WO1999010032A1 - Angiographic injection syringe and front-load injector adapter - Google Patents
Angiographic injection syringe and front-load injector adapter Download PDFInfo
- Publication number
- WO1999010032A1 WO1999010032A1 PCT/US1998/017374 US9817374W WO9910032A1 WO 1999010032 A1 WO1999010032 A1 WO 1999010032A1 US 9817374 W US9817374 W US 9817374W WO 9910032 A1 WO9910032 A1 WO 9910032A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plunger
- syringe
- face
- injector
- circumferential surface
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14546—Front-loading type injectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/007—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests for contrast media
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14566—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir for receiving a piston rod of the pump
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
- A61M5/31515—Connection of piston with piston rod
Definitions
- This invention generally relates to power-driven angiographic syringes and plunger articles for such syringes, as well as front-load injector systems comprising such syringes, and adapter assemblies by means of which the angiographic syringes of the invention are usefully coupled to front-load injector machines.
- a contrast medium of suitable indicating character (radiopacity) is introduced under pressure into coronary arteries, and the arterial network then is monitored by fluoroscopic or other visualizing means.
- fluoroscopic or other visualizing means As a result, arterial plaque deposits and/or other arterial occlusions are readily visually determined as to their size and location, so that suitable treatment methods, such as removal of the occluding material by lasing or mechanical excision, or by displacement techniques such as balloon angioplasty, may be carried out.
- the turret is selectively rotated to align an angiographic syringe with a driving mechanism of the power injector.
- the plunger of the angiographic syringe may be configured with rearwardly extending hook members which .are engaged by the head and stem portion (typically termed a "ram" in the field) of the driving mechanism.
- the hook elements on the proximal face of the plunger are diametrally opposed to one another, to form a slot therebetween through which the ram head is inserted and subsequently rotated.
- the head is of transversely extending character, so that it thereby engages the respective hook members.
- the head and stem of the driving mechanism and the hook members are described to constitute a quick release driving connection, with the driving mechanism head fitting into the aperture formed by the hook members, and with the stem extending out from the aperture through the access slot between the hook members.
- the Reilly et al. patent at column 6, lines 24-52 thereof, describes the subsequent operation of the coupled syringe.
- the driving mechanism is forwardly translated to drive the plunger through the syringe to expel air therefrom.
- the syringe is connected to a source of contrast media and the driving mechanism is retracted to pull the plunger back through the syringe, to draw contrast media thereinto.
- the driving mechanism is advanced to drive the plunger distally in the syringe and effect injection of the contrast media through a catheter attached to the syringe.
- the driving mechanism may be disengaged from the plunger, without reversing its movement, by the simple expedient of rotating the driving mechanism 90°, so that the driving mechanism head extends from the aperture on either side (see Figure 10 of the patent). Subsequent retraction of the driving mechanism results in the head and stem of the driving mechanism being withdrawn from the aperture and slot, thereby disengaging the driving mechanism from the plunger.
- hook members on the plunger facilitates the engagement and disengagement of the driving mechanism, without change in the position of the plunger, it also is true that the hook members themselves provide only a very small contact area for mating with the head of the driving mechanism, when the driving mechanism is in driving or retraction engagement with the hook members.
- the coupling structure disclosed in this patent includes a wall extending rearwardly from the proximal face of the plunger body and partially circumferentially thereon.
- the wall terminates at a proximal extremity, and a radially inwardly extending flange is joined at an outer peripheral portion thereof to the proximal extremity of the wall.
- the radially inwardly extending flange and the wall form with the proximal face of the plunger a cavity transversely open to insertion of a ram head thereinto.
- the coupling structure described in this patent may be generally C-shaped, with a continuously curved portion having an arc length not exceeding about 180°, and optionally provided with tangentially extending end segments respectively joined to the extremities of the continuously curved portion.
- U.S. Patent 4,199,695 issued March 27, 1990 to Thomas A. Lindner discloses another plunger for a power-driven angiographic syringe assembly.
- the plunger includes a plunger body having a generally convergent distal portion and a proximal face. Laterally spaced-apart retention members are disposed on the proximal face in diametrally opposite relationship to one another, for retaining the power driving means in position once engaged with the plunger.
- Each of the retention members comprises a leg portion extending generally rearwardly from the proximal face and joined at a rearward part to a bridge segment laterally inwardly extending therefrom toward the other retention member, to an inner extremity, which is in spaced relationship to the corresponding inner extremity of the bridge segment of the other retention member.
- the inner extremities of the bridge segments thereby define a spacing accommodating transverse passage of the drive shaft therethrough.
- the leg portions and bridge segments of the retention members together define with the proximal face of the plunger a lateral slot accommodating transverse passage of the driving head therethrough.
- Transversely outwardly extending flexible, resilient flange elements are joined to the inner extremity of each of the aforementioned bridge segments and form laterally spaced-apart, transversely aligned pairs of flange elements on either side of the bridge segments, defining a transverse channel therebetween.
- the flange elements are shaped to define marginal portions of the transverse channel having a reduced channel width relative to a medial portion thereof.
- the marginal channel portions allow transverse passage of the drive shaft therethrough by deforming the flange elements bounding the marginal channel portions, so that the drive shaft thereafter is retentively held in the medial portion of the transverse channel, to accommodate free rotation of the driving mechanism relative to the plunger, without disengaging the driving mechanism from the plunger.
- U.S. Patents 5,383,858 and 5,520,653, issued January 24, 1995 and May 28, 1996, respectively, to David M. Reilly, et al. describe a front-loading injector and syringe assembly, in which the syringe is mountable on and removable from a front wall of the injector housing.
- the front wall of the housing has a face plate presenting a pair of slots for receiving retaining flanges on the proximal end of the syringe. The syringe thus is inserted with the proximal end flanges passing through the slots, and then the syringe is rotated to engage the flanges behind associated retaining flanges of the face plate.
- the syringe contains a plunger with a proximal face having hook-like elements which engage with the ram tip of the injector apparatus.
- the ram tip is of elongate character and passes into the slot between the hook-like members on the proximal face of the plunger, so that subsequent rotation of the syringe into locking position engages the hook-like members with the end portions of the ram tip. It is an object of the present invention to provide an improved front-loadmg sy ⁇ nge and injector apparatus comp ⁇ sing same, for injection of liquid contrast media or other fluid
- a still further object of the present invention is to provide an adapter for sy ⁇ nges of different manufacturers to be used on a front-loadmg injector apparatus.
- the present invention relates to a front-load syringe injector system
- a front-load syringe injector system including a front-load injector apparatus having mounted on a front face thereof a face plate adapter assembly, with a driving head engaged with a drive mechanism of the injector and such driving head disengageably engaging a plunger mounted in an angiographic syringe mounted on a front face of the front-load syringe injector, wherein at least one of the plunger and driving head elements interacts with the face plate to effect engagement and disengagement of the plunger and driving head with respect to one another.
- the present invention relates to a plunger for an angiographic syringe having utility in a power-driven angiographic front-loading syringe assembly
- power driving means including an axially extending reciprocatable driving shaft and a frustoconical shaped driving head attached to the drive shaft.
- the plunger includes a plunger body having a generally convergent distal portion and a proximal face.
- the plunger body has an outer circumferentially continuous edge surface for engaging an interior surface of a syringe barrel when the plunger is operatively positioned within the syringe barrel.
- the proximal face of the plunger includes a circumferential surface portion.
- An array of flexible resilient engagement members is joined to the circumferential surface portion of the proximal face of the plunger body and rearwardly extends therefrom.
- the flexible resilient engagement members in the array may be circumferentially spaced-apart, and in one preferred aspect are diametrally opposed and spaced-apart.
- Each of the flexible resilient engagement members has a shank portion rearwardly extending from the circumferential surface portion and terminating in a tail hook portion including a transversely and radially inwardly extending retention surface for matably engaging with a rear circumferential surface of a drive head of an injector when the drive head is operatively coupled with the plunger.
- Each tail hook portion at the retention surface is of increased thickness relative to the shank portion of the flexible resilient engagement member and of tapering character toward a rearmost extremity thereof, with a convexly shaped inner engagement surface for contacting the frustoconical shaped drive head to circumferentially compressively engage a frustoconical side surface of the driving head with the transversely and radially inwardly extending retention surface matably engaged with a rear circumferential surface of the driving head when the driving head is engaged with the plunger.
- the array of flexible resilient engagement members is arranged on the circumferential surface portion of the proximal face of the plunger so that the flexible resilient engagement members are radially inwardly spaced from the outer circumferentially continuous edge surface of the plunger, whereby the flexible resilient engagement members do not contact interior surfaces of the syringe barrel during translation of the plunger forwardly or rearwardly through the barrel.
- a further aspect of the invention relates to an angiographic syringe including a plunger of the above-described type.
- a face plate adapter assembly for a front-load syringe injector including a main body having on a rear face thereof a cylindrical extension with diametrally opposite flange elements for engaging a matably shaped cavity on a front face of an injector apparatus, and lockable in position by rotation thereof so that the diametrally opposite flange elements engage retaining flange elements in the face of the injector apparatus, with a front face having a cylindrical cavity therein and a front slot opening communicating therewith with diametrally opposite retention flange portions transverse to the slot opening, for engagement with a front-load syringe having rear flange members engageable with the slot opening and lockable in position in the face plate adapter assembly by rotation so that the rear flange members of the syringe engage the retention flange portions of the main body.
- the face plate main body has in the cavity a lifting ring defining an annular volume between the cavity and the lifting ring for engagement with a rear circumferential extremity of a syringe when the syringe is engaged with the face plate adapter assembly.
- the lifting ring serves to engage with and radially outwardly spread the flexible resilient engagement members of the plunger in the aforementioned syringe assembly comprising the plunger of the invention.
- the invention relates to a front-load injector system comprising an angiographic syringe including a plunger of the above-described construction.
- the present invention relates to a front-load syringe injector system
- a front-load syringe injector system including a front-load injector apparatus having mounted on a front face thereof a detachably engagable adapter, with a driving head engaged with a drive mechanism of the injector and such driving head disengageably engaging a plunger mounted in an angiographic syringe mounted on the adapter, wherein at least one of the plunger and driving head and syringe elements interacts with the adapter to effect engagement and disengagement of the plunger and driving head and syringe with respect to one another.
- the adapter in one embodiment includes a main body having a rear cylindrical extension, with a central bore extending through the main body and the rear cylindrical extension.
- the rear cylindrical extension includes diametrally opposed flanges for engaging a matably shaped cavity on a front face of an injector apparatus, and lockable in position by rotation of the main body so that the diametrally opposed flange elements engage retaining flange elements in the face of the injector apparatus.
- the main body includes a front slot opening communicating with the central bore, the front slot opening having diametrally opposed retention flange portions transverse to the slot opening, for engagement with a front-load syringe having rear flange members engageable with the slot opening and lockable in position in the main body by rotation so that the rear flange members of the syringe engage the retention flange portions of the main body.
- the main body also includes a lifting ring defining an annular volume between the central bore and the lifting ring for engagement with a rear circumferential extremity of a syringe.
- the rear cylindrical extension may include an outer surface circumferential groove, and has at least one locking means associated therewith, such as for example a leaf spring secured within the circumferential groove and cantilevering tangentially therefrom, so that during rotational engagement of the main body with the matably shaped cavity of the injector, features within the cavity depress the leaf spring, and when the main body is rotated to a final, installed position a recess in the injector cavity allows the leaf spring to flare outwardly and prevent backrotational removal of the adapter.
- Other locking means may be employed, such as a pivot arm structure associated with a pocket or cavity in the cylindrical extension or other part of the adapter.
- the main body may also include a means for sealing a rear face of the main body to the front face of the injector.
- the means for sealing a rear face of the main body to the front face of the injector comprises an o-ring disposed in a circumferential groove in the rear face.
- the sealing means may comprise a gasket on a flat suface of the rear face, a flat washer on a flat surface of the rear face, or other sealing means of appropriate character.
- a further aspect of the invention relates to a retrofit kit including a plunger, syringe, and an adapter of the above-described type.
- the invention relates to a front-load injector system comprising an adapter and angiographic syringe including a plunger of the above- described construction.
- Figure 1 is a perspective view of an angiographic syringe according to one embodiment of the present invention.
- Figure 2 is a perspective view of an angiographic syringe of a general type as shown in Figure 1, in exploded view relationship to a face plate adapter assembly of a front-load syringe injector assembly, according to another aspect of the invention.
- Figure 3 is a side elevation view of a plunger according to one embodiment of the present invention.
- Figure 4 is a cross-sectional elevation view of a plunger of the type shown in Figure 3.
- Figure 5 is a rear plan view of the plunger of Figures 3 and 4.
- Figure 6 is a cross-sectional elevation view of a flexible resilient engagement member of the plunger shown in Figures 3-5.
- Figure 7 is a front elevation view of a front-load sy ⁇ nge injector face plate adapter assembly, according to one embodiment of the present invention.
- Figure 8 is a rear elevation view of the face plate adapter assembly of Figure 7.
- Figure 9 is a cross-sectional elevation view taken along line 9-9 of Figure 7, showing the details of the face plate adapter assembly.
- Figure 10 is a rear elevation view of a d ⁇ ving head assembly utilized with the face plate adapter assembly and plunger of the present invention, in one embodiment thereof.
- Figure 11 is a side elevation view of the d ⁇ ving head assembly of Figure 10.
- Figure 12 is a cross-sectional elevation view of the d ⁇ ving head assembly of Figures 10 and 11.
- Figure 13 is a cross-sectional elevation view of a portion of an angiographic sy ⁇ nge and plunge according to another embodiment of the present invention, with a face plate adapter assembly of alternative design
- Figure 14 is a perspective view of an adapter for interconnecting an angiographic sy ⁇ nge with an injector according to one embodiment of the present invention.
- Figure 15 is a perspective, disassembled view of an injector adapter kit according to another embodiment of the invention.
- Figure 16 is a front elevation view of an adapter and lifting ⁇ ng assembly according to another embodiment of the present invention.
- Figure 17 is a side elevation view of an adapter according to another embodiment of the invention.
- Figure 18 is a cross-sectional view of an adapter of the type shown in Figure 17.
- Figure 19 is a side elevation view of a plunger according to one embodiment of the present invention.
- Figure 20 is a cross-sectional elevation view of a plunger of the type shown in Figure 19.
- Figure 21 is a rear view of a plunger of the type shown in Figures 19 and 20.
- Figure 22 is a perspective view of a retrofit kit of a general type as shown in
- Figure 1 is a perspective view of an angiographic sy ⁇ nge 10 according to one embodiment of the present invention
- the sy ⁇ nge includes a ma cylmd ⁇ cal barrel 12 enclosing an inner volume 14 which in use of the sy ⁇ nge is filled with contrast media or other solution or liquid to be dispensed through the distal end 16 of the sy ⁇ nge
- the sy ⁇ nge is provided with threading 18 m its interior surface, for connection of the distal end of the syringe to a catheter by means of luer-lock or other conventional coupling means.
- the interior volume 14 of the syringe is bounded by an interior wall surface 20, as shown.
- a plunger 24 is interiorly disposed at the proximal end 22 of the syringe at the proximal end 22 of the syringe at the proximal end 22 of the syringe at the proximal end 22 of the syringe at the proximal end 22 of the syringe at the proximal end 22 of the syringe.
- the plunger 24 is of generally converging shape at its distal end, and includes an outer circumferentially continuous edge (side) surface 26 which contacts the inner surface 20 of the syringe.
- the plunger further includes an array of circumferentially spaced-apart flexible resilient engagement members 30, as hereinafter more fully described.
- diametrally opposed flange or lug members 32 and 34 are provided at the proximal end of the syringe on the exterior surface thereof, for engaging and locking the syringe in the face structure of a front-load injector, as illustrated in Figure 2 hereof.
- diametrally opposed means that the relevant structural elements are located at opposite sides of a cylindrical or circular element or member of the appertaining apparatus.
- the diametrally opposed elements for members are thus symmetrically arranged with respect to an associated diameter of the cylindrical or circular part or structure with which they are associated.
- the corresponding structural elements of the syringe are numbered identically to the drawing of Figure 1.
- the syringe is in exploded relationship to a driving head 40 of frustoconical shape, having a front circular surface 42 with a central set screw 44 therein, and a frustoconical side surface 46.
- the driving head in this embodiment is integrally formed with a cylindrical color 48 having a side set screw 50 therein.
- the driving head assembly may be secured to the generally rectangular ram tip 52 mounted on reciprocating shaft 54 for forward driving and rearward retraction movement of the ram tip and d ⁇ ving head mounted thereon
- the injector apparatus 60 as shown comp ⁇ ses an injector housing 62 with a front face 64 to which is secured a face plate adapter assembly 66
- the face plate adapter assembly has a front face 68 with a cyhnd ⁇ cal cavity 70 therein and a front slot opening 72 communicating therewith.
- the face plate adapter assembly as hereinafter desc ⁇ bed more fully, comp ⁇ ses a lifting ⁇ ng 74, the purpose of which is to radially outwardly deform the flexible resilient engagement members 30 of the plunger 24 so that the flexible resilient engagement members thereby interact with the face plate adapter assembly 66 to permit engagement (and correspondingly, upon retraction of the ram tip and dnvmg head, disengagement) of the plunger with the dnvmg head
- the front-load angiographic sy ⁇ nge is rearwardly inserted with the flange members 32 and 34 engaging the slot 72 on the face plate adapter assembly 66 After positioning in the slot, the synnge is rotated 90°, to lockmgly engage flange members 32 and 34 with an internal groove communicating with the slot and forming a retention flange transverse to the direction of slot 72.
- Such engagement of the synnge with the face plate adapter assembly causes the flexible resilient engagement members 30 to be spread by the lifting nng 74 so that the frustoconical dnvmg head then engages the flexible resilient engagement members to thereby couple the synnge through the plunger to the dnving head, for subsequent forward translation of the d ⁇ ving head to express contrast media for other fluid from the synnge banel mte ⁇ or volume through the distal end of the sy ⁇ nge
- Figure 3 is a side elevation view of a plunger 24 according to one embodiment of the present invention
- the plunger in this embodiment includes a plunger body 80 which may be overlaid by a resilient rubber or hard plastic cover 82 which may be stretch-fitted over the plunger body 80 as shown Alternatively, the plunger body may be a unitary one piece design without any cover or sheath member
- the plunger body with the cover has an outer circumferentially continuous edge surface 84 for engaging an interior surface of the syringe banel when the plunger is operatively positioned within the syringe banel.
- the proximal face 86 of the plunger body includes a circumferential surface portion 88.
- An arcay of circumferentially spaced-apart flexible resilient engagement members 30 is joined to the circumferential surface portion 88 of the proximal face of the plunger body and rearwardly extends therefrom to a rearmost extremity 90.
- Each of the flexible resilient members has a shank portion 92 rearwardly extending from the circumferential surface portion 88 and terminating in a tail hook portion 94 including a transversely and radially inwardly extending retention surface 96 for matably engaging with a rear circumferential surface of the driving head of the injector when the driving head is operatively coupled with the plunger.
- Each tail hook portion at the retention surface 96 is of increased thickness (in the lateral dimension transverse to the length dimension of the flexible resilient engagement member) relative to the shank portion 92 of such member.
- the tail hook portion is of tapering character from the region of the retention surface 96 in the rearward direction toward the rearmost extremity 90 thereof, and the tail hook portion has in the embodiment shown a convexly shaped inner engagement surface 98 for contacting the frustoconical shaped driving head to circumferentially compressively engage the frustoconical side surface of the driving head with the transversely and radially inwardly extending retention surface 96 engaged with a rear circumferential surface of the driving head when the driving head is engaged with the plunger.
- the anay of flexible resilient engagement members 30 is circumferentially ananged on the circumferential surface portion 88 of the proximal face 86 of the plunger body so that the flexible resilient engagement members are radially inwardly spaced from the outer circumferentially continuous hedge surface of the plunger.
- the purpose of such radial inset of the engagement members 30 is so that such engagement members do not contact interior surfaces of the syringe barrel during translation of the plunger forwardly or rearwardly through the syringe barrel.
- Figure 4 is a cross-sectional elevation view of a plunger of the type shown in Figure 3 showing the hollowed out interior volume of the plunger body.
- the plunger alternatively may be of solid-body construction, without such interior cavity.
- the plunger body may be formed of any suitable material of construction, such as polyurethane, polyvinylchloride, polymeric rubber or block copolymer composition, or of any suitable material of construction.
- Figure 5 is a rear plan view of the plunger 24 of Figures 3 and 4.
- Figure 6 is a cross-sectional elevation view of a single flexible resilient engagement member of the plunger shown in Figures 3-5, enlarged to show the structural details thereof.
- Figure 7 is a front elevation view of a front-load syringe injector face plate adapter assembly 110, according to one embodiment of the present invention.
- the face plate adapter assembly includes a main body 112 of the shape shown, or any other convenient shape and confirmation for mounting on the face of a front-load injector apparatus.
- the front face 114 of the face plate adapter assembly has a cylindrical cavity
- the face plate adapter assembly also includes diametrally opposite grooves 120 and 122 communicating with the slot opening 118 and thereby defining diametrally opposite retention flange portions 124 and 126 transverse to the slot opening, for engagement with a front-load syringe of the type shown in Figure 1 having rear flange members 32 and 34 engagable with the slot opening 118 and lockable in position in the face plate adapter assembly by rotation by 90° so that the rear flange members 32 and 34 of the syringe engage the retention flange portions 124 and 126 of the main body of the face plate adapter assembly.
- the face plate main body 112 has in the cavity 116 a lifting ring 130 defining an annular volume 132 between the cavity and the lifting ring for engagement with a rear circumferential extremity of a syringe when the syringe is engaged with the face plate adapter assembly.
- the lifting ring 130 serves to engage with and radially outwardly spread the flexible resilient engagement members 30 of the plunger (see Figure 2) in the syringe assembly comprising the plunger as illustratively described in connection with Figures 1-6.
- the main body of the face plate adapter assembly has a central opening 136 in the cavity, allowing passage therethrough of the driving head and ram head mounted on the drive shaft of the injector apparatus.
- the face plate adapter assembly and the embodiment shown has a hole 138 on a lower portion thereof as shown, to accommodate passage therethrough of a mechanical fastener, such as a screw or bolt for threadably engaging with a registerable opening on the face of the injector apparatus, to insure secure attachment of the face plate adapter assembly to the housing of the injector apparatus.
- a mechanical fastener such as a screw or bolt for threadably engaging with a registerable opening on the face of the injector apparatus
- the hole 138 may simply accommodate a compression-fit brad or dowel for such securement purpose.
- FIG 8 is a rear elevation view of the face plate adapter assembly 110 of Figure 7.
- the face plate adapter assembly main body 112 in this orientation has a rear face 150 of generally flat confirmation, to allow to matable engagement of the face plate adapter assembly with the face of the injector apparatus housing.
- the rear face has mounted thereon for integrally formed therewith a cylindrical extension 152 with diametrally opposite flange elements 154 and 156 for engaging a matably shaped cavity on a front face of an injector apparatus, and lockable in position by rotation of the main body of the face plate adapter assembly so that the diametrally opposite flange elements 154 and 156 engage retaining flange elements in the face of the injector apparatus.
- the face plate adapter assembly is adapted to be mounted on a front-load injector apparatus of the type described in U.S. Patent 5,383,858 issued January 24, 1995 to David M. Reilly, et al.
- the cylindrical extension 152 has a cylindrical collar 158 extending outwardly therefrom, for registration with the recipient cavity in the face of the injector apparatus housing.
- a cylindrical collar 158 extending outwardly therefrom, for registration with the recipient cavity in the face of the injector apparatus housing.
- the face plate adapter assembly rear face flange elements 154 and 156 are inserted into the slot on the front face of an injector housing and the face plate adapter assembly then is rotated 90° to place the flange elements 154 and 156 into a pair of oppositely positioned slots in the face of the injector housing, so that the flange elements 154 and 156 are retained behind retentive flange portions of the face of the injector housing.
- Figure 9 is a cross-sectional elevation view, taken along line 9-9 of Figure 7, showing the details of the face plate adapter assembly.
- the face plate adapter assembly has a main body 112 with the cross-sectional shape shown, wherein the rear face 150 has the cylindrical extension 152 rearwardly extending therefrom and bounding the central opening 136
- the lifting nng 130 is positioned m the cavity 116 and forms the annular volume 132 which receives the proximal extremity of the sy ⁇ nge, with the lifting ⁇ ng having a beveled outer surface 170 as shown, which serves to engage with the flexible resilient engagement members of the plunger and to radially outwardly deform such engagement members for subsequent engagement with the frustoconical dnving head which is forwardly advanced into engagement with the plunger
- Figure 10 is a rear elevation view of a dnving head 40 utilized with the face plate adapter assembly and plunger of the present invention, in one embodiment thereof.
- the dnving head includes a frustoconical side surface 46 (as previously descnbed in connection with Figure 2), and the frustoconical dnvmg head is joined to a cylmd ⁇ cal collar 48 having an opening 196 therein for a set screw (set screw 50 in
- the frustoconical dnving head has a central threaded opening 190 therein for receiving a set screw 44 (as also shown m Figure 2)
- the cyhndncal collar 48 has a cavity 180 therein bounded by the linear side walls 182 and 184 and the arcuate end walls 186 and 188 to define a cavity for receiving a generally rectangular or comp mentanly shaped ram head (see element 52 in Figure 2) therein, so that the set screw 44 and set screw in threaded opening 196 may be tightenably engaged against the ram head to securely position the frustoconical dnving head thereon
- the arcuate end walls 186 and 188 may as shown define an intenor groove 198 overlaid by wall portion 199 so that the ram head once engaged with the cavity 180 may be rotated relative to the collar 48 of the frustoconical d ⁇ ving head to engage the extremities of the ram tip behind wall segments 199
- the rear surface 194 of the frustoconical d ⁇ ving head presents a surface for matable engagement with the engagement surfaces 96 (see for example Figure 6) of the flexible resilient engagement members of the plunger, while the
- Figure 11 is a side elevation view of the driving head assembly of Figure 10
- Figure 12 is a cross-sectional elevation view of the driving head assembly showing the set screws 44 and 50 whereby the driving head may be secured to the ram tip of an injector, contemporaneous with securement of the face plate adapter assembly thereto, to permit use of the plunger and angiographic syringe of the present invention therewith.
- Figure 13 is a cross-sectional elevation view of a portion of an angiographic syringe and plunger according to another embodiment of the present invention, shown in coupled relationship to a portion of a face plate adapter assembly of alternative design.
- the angiographic syringe 210 comprises a syringe barrel 212 whose interior wall surface 214 bounds the interior volume 216 of the syringe.
- the interior volume 216 contains a plunger 218 of convergent shape at its distal portion 220.
- the plunger 218 has a flat proximal surface 222 on which is disposed a plurality of rearwardly extending retention elements 224 and 226, with rearmost portions 228 and 230, respectively, which are shaped for matable engagement with reverse-hooked ends 232 and 234 of projections 236 and 238 of the driving head 240.
- the driving head 240 has an outer surface of frustoconical shape as shown, presenting an outer surface 242 which is slideably engagable against the interior wall surface 244 of the receptacle 246 of face plate adapter assembly 250.
- the face plate adapter assembly is disposed in a budding relationship to the front wall 252 of an injector housing containing the receptacateable shaft 254 which is joined at its distal end to the driving head 240.
- the angiographic syringe 210 at its proximal end is reposed on support element 256, with the retention elements 224 and 226 rearwardly extended.
- the driving head 240 is drivable in either of the forward or rearward directions, as indicated by bi-directional arrow A.
- the translation of the driving head by the reciprocateable drive shaft 254 causes the engagement elements 232 and 234 to be deflected in the directions of movement indicated by bi-directional arrows B and C, with the resilient elements being translated radially outwardly by forward movement of the driving head, and radially inwardly by retracting movement of the driving head, as a result of the tapered configuration of the wall surface 244 and the driving head 242 surface.
- the angiographic syringe is positioned as shown, and forward movement of the drive shaft 254 and corresponding advancement of the driving head 240 causes the resilient elements 233 and 234 to move radially outwardly to engage with the matable surfaces 228 and 230, so that the driving head projections bear compressively outwardly against the projection elements of the plunger, to engage the driving head and plunger.
- the present invention contemplates a front-load angiographic syringe injector system, in which the plunger and driving head are ananged so that at least one of them interacts with the face plate to effect engagement and disengagement of the plunger and driving head relative to one another.
- the plunger, driving head and face plate adapter assembly are contemplated within the broad practice of the invention, wherein at least one of the plunger and driving head elements interacts with the face plate adapter assembly to effect engagement and disengagement of the plunger and driving head elements.
- the ram may be constructed of a deformable resilient material which is constructed so that rearward pressure of the plunger on the face plate causes localized constriction of a portion of the deformable resilient material of the ram head, causing same to reactively expand against the plunger to effect engagement therewith, and which upon retraction is correspondingly deformed to effect disengagement of the driving head from the plunger.
- Figure 14 is a perspective view of an adapter for interconnecting an angiographic sy ⁇ nge with an injector, according to another embodiment of the invention.
- the adapter 10 compnses a mam body 12 and mounted thereon or integrally formed therewith is a rear cyhnd ⁇ cal extension 14.
- Main body includes a generally cyhndncal side wall surface 16
- the adapter has a central bore 18 therein bound in the rear cyhndncal extension by first bounding wall 20.
- Central bore 18 is bound in the mam body by second bounding wall 22 and by third bounding wall 24
- the first bounding wall 20 is of smaller diameter than second bounding wall 22, and the junction of such bore portions define a first annular nm 26 of the bore
- the second bounding wall 22 is of smaller diameter than third bounding wall 24, and the junction of the second and third bore portions define a second annular nm 28
- the adapter includes front slot opening 30 communicating with the third bounding wall 24 of central bore 18 and forming therewith diametrally opposed grooves 32 and 34, and thereby defining diametrally opposed retention flange portions 36 and 38 transverse to the slot opening, for engagement with a sy ⁇ nge, as descnbed below.
- the adapter 10 further includes an adaptive mounting means 40 for engaging and disengaging the adapter 10 from a front-loading injector
- Adaptive mounting means 40 allows the adapter to be engaged and disengaged from a front end of an injector.
- Rear cyhndncal extension 14 includes circumferential groove or slot 42 therein
- flanges 44 and 46 are diametrally opposed for engaging a matably shaped cavity on a front face of an injector apparatus, and lockable in position by rotation of the adapter so that the diametrally opposed flange elements 44 and 46 engage retaining flange elements in the face of the injector apparatus
- the adapter is adapted to be mounted on a front-load injector apparatus of the type descnbed in U S Patent 5,383,858 issued January 24, 1995 to David M. Reilly, et al.
- FIG. 15 is a perspective, disassembled view of an injector adapter kit according to one embodiment of the invention.
- the injector retrofit kit described herein is adapted to be detachably engaged to a ram or reciprocating shaft of a front- loaded injector.
- the injector adapter kit may comprise a syringe 50, a driving head
- the syringe 50 includes a main cylindrical banel 52 enclosing an inner volume 54 which in use of the syringe is filled with contrast media or other solution or liquid to be dispensed through the distal end 56 of the syringe.
- the syringe is provided with threading 58 in its interior surface, for connection of the distal end of the syringe to a catheter by means of luer-lock or other conventional coupling means.
- the interior volume 54 of the syringe is bounded by an interior wall surface
- the plunger 70 is of generally converging shape at its distal end, and includes an outer circumferentially continuous edge (side) surface 72 which contacts the inner wall surface 60 of the syringe.
- the plunger further includes at least two diametrally opposed anays of spaced-apart flexible resilient engagement members 74, as hereinafter more fully described.
- diametrally opposed flange or lug members 64 and 66 are provided at the proximal end of the syringe on the exterior surface thereof, for engaging and locking the syringe to the adapter 10, as described below.
- Driving head 100 is of frustoconical shape, having a front circular surface 102 with a central set screw 104 therein, and a frustoconical side surface 106.
- the driving head includes cylindrical collar 108.
- the central set screw 104, soft tip set screw 107 and soft tip set screw 105 in the cylindrical collar 108 the driving head may be secured to a ram or reciprocating shaft of an injector for forward driving and rearward retraction movement of the ram tip and driving head mounted thereon.
- Lifting ring 120 has a cylindrical collar 122 which, in one embodiment, is constructed and arranged in a press fit relationship with the rear first bounding wall 20 of the central bore 18 in rear cylindrical extension 14.
- the lifting ring 120 radially outwardly deforms the flexible resilient engagement members 74 of the plunger 70 so that the flexible resilient engagement members thereby interact with the adapter to permit engagement (and conespondingly, upon retraction of the ram tip and driving head, disengagement) of the plunger with the driving head.
- the front-load angiographic syringe is rearwardly inserted with the flange members 64 and 66 engaging slot 30 in the adapter 10. After positioning in the slot, the syringe is rotated 90°, to lockingly engage flange members
- Such engagement of the syringe with adapter causes the flexible resilient engagement members 74 to be spread by the lifting ring 120 so that the frustoconical driving head 100 then engages the flexible resilient engagement members to thereby couple the syringe through the plunger to the driving head, for subsequent forward translation of the driving head to express contrast media for other fluid from the syringe barcel interior volume through the distal end of the syringe.
- the lifting ring may as shown in Figure 15 include outwardly extending shoulder elements that are diametrally opposite one another, so that the lifting ring has unshouldered circumferential portions that are diametrally opposite one another and that are between the shoulder elements.
- the flexible resiliant engagement members 74 of the syringe plunger 70 may or may not engage the lifting ring depending on orientation. Upon installation of the syringe, the flexible resiliant engagement members 74 of the syringe plunger 70 engage the frustoconical side surface 106 of the driving head and the plunger is thereby subsequently forwardly driveable to advance the plunger in the angiographic syringe and effect delivery of contrast medium to the patient.
- the syringe plunger after such advancement to the distal end of the interior passage in the syringe banel, may be uncoupled from the catheter or patient line connected to the distal end of the syringe. Thereafter the plunger is retractable in the interior passage of the syringe banel. Once the plunger is fully retracted, the syringe and plunger may be rotated to contact the flexible resiliant engagement members 74 with the shoulders of the lifting ring, thereby spreading the flexible resiliant engagement members 74 so that the plunger can be disengaged from the driving head.
- Figure 16 is a front elevation view of the adapter 10 and lifting ring 120 of Figure 15 wherein the corcesponding structural elements of the adapter are numbered identically. While the lifting ring 120 is shown and described as press fitted into the adapter 10, those skilled in the art will recognize the adapter and lifting ring could be integrally formed as a single component.
- the lifting ring may be suitably constructed to be of varying form, and may be constructed as shown in Figure 15 with diametrally opposed lifting shoulder elements, or alternatively with a circumferentially continuous shoulder element.
- Figure 17 is a side elevation view of an adapter according to another embodiment of the invention, wherein conesponding structural elements of the adapter are numbered identically to Figure 14.
- Adapter ⁇ ng mam body 12 has mounted thereon or integrally formed therewith rear cyhndncal extension 14. Cyhndncal side wall surface 16 and circumferential groove 42 are shown.
- the main body 12 is of larger diameter than rear cyhndncal extension 14, and the junction of the mam body and the rear cyhndncal extension 14 define a rear face 130.
- Diametrally opposed flanges 44 and 46 engage a suitably matably shaped cavity on a front face of an injector apparatus, and are lockable by rotation of the ma body 12 so that the diametrally opposed flanges 44 and 46 engage retaining flange elements in the face of the injector apparatus.
- a means for sealing the adapter to the injector is provided, and shown as O-nng 132 disposed m a circumferential groove 134 in the rear face 130.
- a gasket or flat washer may be utilized on a flat suface of the rear face to effect sealing in place of the o-nng and groove anangement.
- the adapter includes locking means for positionally maintaining the adapter in a locked position
- the locking means includes at least one stainless steel leaf spnng 140.
- Leaf spnng 140 is secured at an end within circumferential groove 42 and cantilevers tangentially therefrom. Du ⁇ ng rotational engagement of the adapter to the matably shaped cavity on the front face of the injector apparatus, features within the injector cavity depress each leaf spnng.
- a recess in the injector cavity allows the leaf spnng to flare outward and return to a substantially undepressed condition
- the now-undepressed leaf spnng acts as a pawl or detent against the recess to prevent back rotation, opposite to the direction of rotation for installation, and thus prevent removal of the adapter from the injector.
- slot 150 would allow access to each leaf spring.
- Slot 150 extends longitudinally from second annular rim 28 (shown as a dotted hidden line in Figure 17) to rear face 130 and allows a screwdriver, or other suitable tool, to be inserted into the slot and used to depress the leaf spring while the adapter is in the installed position. Once the leaf spring is depressed, the leaf spring no longer acts a pawl or detent and the adapter may be rotated opposite to the direction of rotation for installation, and affect removal of the adapter from the injector.
- the slot 150 could, alternatively, only partially extend longitudinally from rear face 130 to second annular rim 28. This embodiment would maintain a thin solid section between the second annular rim 28 and the slot 150 extending from rear face 130. The slot would, therefore, not be noticeable from a frontal view of the adapter. If access to the leaf springs was desired, this thin solid section would then be removed by "knocking out” the section. A screwdriver, or other suitable tool, would then be inserted into the slot and used to depress the leaf spring for subsequent removal.
- leaf spring 140 is shown secured by screw 151, other means for securing the leaf spring within circumferential groove 42 include welding, brazing, bonding, and other similar mechanical/chemical securing methods.
- leaf spring 140 can have a variety of cambers, such as a flat camber or a concave/convex camber, and the particular camber design of the leaf spring can be chosen without undue experimentation.
- the adapter, lifting ⁇ ng, and leaf spnng may be constructed of stainless steel, aluminum, plastic or any other alternative mate ⁇ als of construction, as will be appreciated by those skilled in the .art.
- the adapter and lifting nng could be molded from a plastic mate ⁇ al
- locking means other than the leaf spnng could be used, such as detent structures, matable interlocks, sp ⁇ ng-biased expansion structures, pivot arms, heat expandable structures or chemicals, etc.
- the adapter may be correspondingly fabncated with machined pockets or cavities containing the pivot arms
- Figure 18 is a cross-sectional view of the adapter of Figure 17, showing the lifting nng 120 press fit into the adapter and showing the dnving head 100 disposed within central bore 18
- the lifting ⁇ ng 120 is press fit into adapter central bore 18 and forms the annular volume 160 which receives the proximal extremity of the sy ⁇ nge of Figure 15, with the lifting ⁇ ng having a beveled outer surface 124 as shown, which serves to engage with the flexible resilient engagement members (as shown Figure 15) of the plunger and to radially outwardly deform such engagement members for subsequent engagement with the frustoconical dnving head which is forwardly advanced into engagement with the plunger
- the dnvmg head includes a frustoconical side surface 106 (as previously descnbed in connection with Figure 15) and collar 108
- the frustoconical dnvmg head has a central bore 110 therein for receiving set screw 104 and soft tip set screw 105, as shown
- a side bore is provided in the collar 108 for the soft tip set screw 105
- Figure 19 is a side elevation view of a plunger 70 according to one embodiment of the present invention
- the plunger in this embodiment includes a plunger body 76 which may be overlaid by a resilient rubber or hard plastic cover 78 which may be stretch-fitted over the plunger body 76 as shown
- the plunger body may be a unitary one piece design without any cover or sheath member
- the plunger body with the cover has an outer circumferentially continuous edge surface 80 for engaging an interior surface of the syringe banel when the plunger is operatively positioned within the syringe barrel.
- the proximal face 82 of the plunger body includes a circumferential surface portion 84.
- An array of diametrally opposed spaced-apart flexible resilient engagement members 74 is joined to the circumferential surface portion 84 of the proximal face of the plunger body and rearwardly extends therefrom to a rearmost extremity 86.
- Each of the flexible resilient members has a shank portion 88 rearwardly extending from the circumferential surface portion 84 and terminating in a tail hook portion 90 including a transversely and radially inwardly extending retention surface 92 for matably engaging with a rear circumferential surface of the driving head of the injector when the driving head is operatively coupled with the plunger.
- Each tail hook portion at the retention surface 92 is of increased thickness (in the lateral dimension transverse to the length dimension of the flexible resilient engagement member) relative to the shank portion 88 of such member.
- the tail hook portion is of tapering character from the region of the retention surface 92 in the rearward direction toward the rearmost extremity 86 thereof, and the tail hook portion has in the embodiment shown a convexly shaped inner engagement surface 94 for contacting the frustoconical shaped driving head to circumferentially compressively engage the frustoconical side surface of the driving head with the transversely and radially inwardly extending retention surface 92 engaged with a rear circumferential surface of the driving head when the driving head is engaged with the plunger.
- the array of flexible resilient engagement members 74 is diametrally opposed on the circumferential surface portion 84 of the proximal face 82 of the plunger body so that the flexible resilient engagement members are radially inwardly spaced from the outer circumferentially continuous edge surface of the plunger.
- the purpose of such radial inset of the engagement members 74 is so that such engagement members do not contact interior surfaces of the syringe barrel during translation of the plunger forwardly or rearwardly through the syringe banel.
- Figure 20 is a cross-sectional elevation view of a plunger of the type shown in Figure 19 showing the hollowed out interior volume of the plunger body.
- the plunger alternatively may be of solid-body construction, without such interior cavity.
- the plunger body may be formed of any suitable material of construction, such as polyurethane, polyvinylchloride, polymeric rubber or block copolymer composition, or of any suitable material of construction.
- Figure 21 is a rear plan view of the plunger 70 of Figures 19 and 20.
- Figure 22 shows a retrofit kit exploded relationship to an injector apparatus.
- the conesponding structural elements of the adapter, syringe, lifting ring, and driving head are numbered identically to Figure 15.
- the retrofit kit includes at least one component selected from the group consisting of adapter 10, driving head 100, lifting ring 120, and syringe 50 with plunger 70.
- the injector apparatus 200 as shown comprises an injector housing 202 with a front face 204 to which is secured a face plate adapter assembly 206.
- the face plate adapter assembly has a front face 208 with a cylindrical cavity 210 therein and a front slot opening 212 communicating therewith.
- the driving head 100 may be secured to a generally rectangular ram tip mounted on a reciprocating shaft for forward driving and rearward retraction movement of the ram tip 214 and driving head 100 mounted thereon.
- the adapter is rearwardly inserted with the flange members 44 and 46 engaging the slot 212 on the face plate adapter assembly 206. After positioning in the slot, the adapter is rotated 90°, to lockingly engage flange members 44 and 46 with an internal groove communicating with the slot and forming a retention flange transverse to the direction of slot 212.
- the angiographic syringe 50 is rearwardly inserted with the flange members 64 and 66 engaging the slot 30 on the front face of adapter 10. After positioning in the slot, the syringe is rotated 90°, to lockingly engage flange members 64 and 66 with internal grooves 32 and 34 communicating with the slot and forming a retention flange transverse to the direction of slot 30.
- Such engagement of the syringe with the adapter causes the flexible resilient engagement members 74 to be spread by the lifting ring 120 so that the frustoconical driving head then engages the flexible resilient engagement members to thereby couple the syringe through the plunger to the driving head, for subsequent forward translation of the driving head to express contrast media for other fluid from the syringe banel interior volume through the distal end of the syringe.
- the present invention contemplates an adapter and retrofit kit for a front-load angiographic syringe injector system, in which the adapter interacts with the injector to effect engagement and disengagement of the adapter, plunger, syringe, and driving head relative to one another.
- the present invention also contemplates an angiographic syringe including a plunger of the above-described type.
- the present invention further contemplates a front-load injector system comp ⁇ sing an adapter and angiographic sy ⁇ nge including a plunger of the above- desc ⁇ bed construction.
- the angiographic systems of the present invention including front-load angiographic injector apparatus, adapter assemblies, angiographic sy ⁇ nges and components thereof, as va ⁇ ously descnbed herein, are usefully employed to effect introduction of a contrast medium in the arte ⁇ al network of a patient for fluoroscopic visualization of arte ⁇ al plaques, occlusions and/or structure, for purposes of diagnosis and treatment of the patient
- a contrast medium in the arte ⁇ al network of a patient for fluoroscopic visualization of arte ⁇ al plaques, occlusions and/or structure
- occlusions can be treated by vanous techniques such as laser angioplasty, balloon angioplasty, bypass surgery, etc.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98943298A EP1019121A4 (en) | 1997-08-22 | 1998-08-21 | Angiographic injection syringe and front-load injector adapter |
JP2000507420A JP2001513406A (en) | 1997-08-22 | 1998-08-21 | Angiographic injection fluid and preload injection adapter |
AU91126/98A AU9112698A (en) | 1997-08-22 | 1998-08-21 | Angiographic injection syringe and front-load injector adapter |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/916,369 | 1997-08-22 | ||
US08/916,369 US5947929A (en) | 1997-08-22 | 1997-08-22 | Front-load angiographic injector system, angiographic syringe and plunger for angiographic syringe |
US09/096,442 US6080136A (en) | 1998-06-11 | 1998-06-11 | Angiographic syringe adapter for front-loading injector |
US09/096,442 | 1998-06-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999010032A1 true WO1999010032A1 (en) | 1999-03-04 |
Family
ID=26791718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/017374 WO1999010032A1 (en) | 1997-08-22 | 1998-08-21 | Angiographic injection syringe and front-load injector adapter |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1019121A4 (en) |
JP (1) | JP2001513406A (en) |
AU (1) | AU9112698A (en) |
WO (1) | WO1999010032A1 (en) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001030421A2 (en) * | 1999-10-28 | 2001-05-03 | Minimed, Inc. | Plunger plug with stiffening insert |
WO2002056947A1 (en) * | 2001-01-18 | 2002-07-25 | Medrad, Inc. | Syringe interfaces and adapters for use with medical injectors |
US6743205B2 (en) | 1999-07-30 | 2004-06-01 | Medrad, Inc. | Injector systems and syringe adapters for use therewith |
US6800071B1 (en) | 1998-10-29 | 2004-10-05 | Medtronic Minimed, Inc. | Fluid reservoir piston |
US6817990B2 (en) | 1998-10-29 | 2004-11-16 | Medtronic Minimed, Inc. | Fluid reservoir piston |
US7029458B2 (en) | 1996-03-29 | 2006-04-18 | Medrad, Inc. | Front-loading syringe adapter for front-loading medical injector |
US7063684B2 (en) | 1999-10-28 | 2006-06-20 | Medtronic Minimed, Inc. | Drive system seal |
US7193521B2 (en) | 1998-10-29 | 2007-03-20 | Medtronic Minimed, Inc. | Method and apparatus for detecting errors, fluid pressure, and occlusions in an ambulatory infusion pump |
WO2008127345A1 (en) * | 2006-07-11 | 2008-10-23 | Eli Lilly And Company | Medication cartridge piston |
WO2009045714A1 (en) * | 2007-09-28 | 2009-04-09 | Mallinckrodt Inc. | Coupling of powerhead ram and power injector syringe |
JP2010082464A (en) * | 2010-01-05 | 2010-04-15 | Nemoto Kyorindo:Kk | Syringe, cylinder holder and medical solution injection system |
EP2485790A1 (en) * | 2009-10-07 | 2012-08-15 | Nordson Corporation | Medical injector and adapter for coupling a medicament container and an actuator |
US8257345B2 (en) | 1998-10-29 | 2012-09-04 | Medtronic Minimed, Inc. | Reservoir connector |
US8273061B2 (en) | 1998-10-29 | 2012-09-25 | Medtronic Minimed, Inc. | Reservoir connector |
DE102008058037B4 (en) * | 2008-11-18 | 2014-03-13 | Imp Pape Gmbh & Co. Kg | Piston and plunger set |
US9242040B2 (en) | 2009-04-23 | 2016-01-26 | Bayer Healthcare Llc | Syringe assemblies, methods of forming syringe assemblies and adapters for forming syringe assemblies |
KR20180075516A (en) * | 2015-10-28 | 2018-07-04 | 바이엘 헬쓰케어 엘엘씨 | System and method for syringe plunger engagement with an injector |
US10835668B2 (en) | 2017-01-24 | 2020-11-17 | Bayer Healthcare Llc | Injector systems and syringe adapters for use therewith |
KR102659086B1 (en) | 2015-10-28 | 2024-04-22 | 바이엘 헬쓰케어 엘엘씨 | System and method for syringe plunger engagement with an injector |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE552874T1 (en) * | 2006-04-19 | 2012-04-15 | Novo Nordisk As | LIQUID INFUSION SYSTEM, METHOD OF ASSEMBLING SUCH SYSTEM, AND DRUG RESERVOIR FOR USE IN THE SYSTEM |
US8118781B2 (en) * | 2006-04-19 | 2012-02-21 | Novo Nordisk A/S | Fluid infusion system, a method of assembling such system and drug reservoir for use in the system |
WO2009036496A2 (en) * | 2007-09-21 | 2009-03-26 | Imaxeon Pty Ltd | A releasable connecting mechanism |
US9265880B1 (en) * | 2015-01-23 | 2016-02-23 | Aurum Medicare Pte Ltd | One-time use cartridge for a syringe injector |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5535746A (en) * | 1994-03-29 | 1996-07-16 | Sterling Winthrop Inc. | Prefilled syringe for use with power injector |
-
1998
- 1998-08-21 WO PCT/US1998/017374 patent/WO1999010032A1/en not_active Application Discontinuation
- 1998-08-21 AU AU91126/98A patent/AU9112698A/en not_active Abandoned
- 1998-08-21 EP EP98943298A patent/EP1019121A4/en not_active Withdrawn
- 1998-08-21 JP JP2000507420A patent/JP2001513406A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5535746A (en) * | 1994-03-29 | 1996-07-16 | Sterling Winthrop Inc. | Prefilled syringe for use with power injector |
Non-Patent Citations (1)
Title |
---|
See also references of EP1019121A4 * |
Cited By (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7029458B2 (en) | 1996-03-29 | 2006-04-18 | Medrad, Inc. | Front-loading syringe adapter for front-loading medical injector |
US9579452B2 (en) | 1998-10-29 | 2017-02-28 | Medtronic Minimed, Inc. | Medication reservoir |
EP1642615B2 (en) † | 1998-10-29 | 2016-12-14 | Medtronic MiniMed, Inc. | Reservoir connector |
US8257345B2 (en) | 1998-10-29 | 2012-09-04 | Medtronic Minimed, Inc. | Reservoir connector |
US8273061B2 (en) | 1998-10-29 | 2012-09-25 | Medtronic Minimed, Inc. | Reservoir connector |
US6817990B2 (en) | 1998-10-29 | 2004-11-16 | Medtronic Minimed, Inc. | Fluid reservoir piston |
US8303572B2 (en) | 1998-10-29 | 2012-11-06 | Medtronic Minimed, Inc. | Medication reservoir |
US8715237B2 (en) | 1998-10-29 | 2014-05-06 | Medtronic Minimed, Inc. | Method and apparatus for detecting errors, fluid pressure, and occlusions in an ambulatory infusion pump |
US7193521B2 (en) | 1998-10-29 | 2007-03-20 | Medtronic Minimed, Inc. | Method and apparatus for detecting errors, fluid pressure, and occlusions in an ambulatory infusion pump |
US8500716B2 (en) | 1998-10-29 | 2013-08-06 | Medtronic Minimed, Inc. | Medication reservoir |
US6800071B1 (en) | 1998-10-29 | 2004-10-05 | Medtronic Minimed, Inc. | Fluid reservoir piston |
US7597682B2 (en) | 1998-10-29 | 2009-10-06 | Medtronic Minimed, Inc. | External infusion device with a vented housing |
US7892206B2 (en) | 1998-10-29 | 2011-02-22 | Medtronic Minimed, Inc. | Method and apparatus for detecting errors, fluid pressure, and occlusions in an ambulatory infusion pump |
USRE42804E1 (en) | 1999-07-30 | 2011-10-04 | Medrad, Inc. | Injector systems and syringe adapters for use therewith |
US6743205B2 (en) | 1999-07-30 | 2004-06-01 | Medrad, Inc. | Injector systems and syringe adapters for use therewith |
WO2001030421A3 (en) * | 1999-10-28 | 2002-01-10 | Minimed Inc | Plunger plug with stiffening insert |
US7063684B2 (en) | 1999-10-28 | 2006-06-20 | Medtronic Minimed, Inc. | Drive system seal |
WO2001030421A2 (en) * | 1999-10-28 | 2001-05-03 | Minimed, Inc. | Plunger plug with stiffening insert |
US7691085B2 (en) | 2001-01-18 | 2010-04-06 | Medrad, Inc. | Syringe interfaces and adapters for use with medical injectors |
WO2002056947A1 (en) * | 2001-01-18 | 2002-07-25 | Medrad, Inc. | Syringe interfaces and adapters for use with medical injectors |
WO2008127345A1 (en) * | 2006-07-11 | 2008-10-23 | Eli Lilly And Company | Medication cartridge piston |
WO2009045714A1 (en) * | 2007-09-28 | 2009-04-09 | Mallinckrodt Inc. | Coupling of powerhead ram and power injector syringe |
DE102008058037B4 (en) * | 2008-11-18 | 2014-03-13 | Imp Pape Gmbh & Co. Kg | Piston and plunger set |
US9242040B2 (en) | 2009-04-23 | 2016-01-26 | Bayer Healthcare Llc | Syringe assemblies, methods of forming syringe assemblies and adapters for forming syringe assemblies |
EP2485790A1 (en) * | 2009-10-07 | 2012-08-15 | Nordson Corporation | Medical injector and adapter for coupling a medicament container and an actuator |
EP2485790A4 (en) * | 2009-10-07 | 2014-08-20 | Nordson Corp | Medical injector and adapter for coupling a medicament container and an actuator |
US8998849B2 (en) | 2009-10-07 | 2015-04-07 | Nordson Corporation | Medical injector and adapter for coupling a medicament container and an actuator |
JP2010082464A (en) * | 2010-01-05 | 2010-04-15 | Nemoto Kyorindo:Kk | Syringe, cylinder holder and medical solution injection system |
KR102586504B1 (en) | 2015-10-28 | 2023-10-11 | 바이엘 헬쓰케어 엘엘씨 | System and method for coupling a syringe plunger with an injector |
EP3884975A1 (en) * | 2015-10-28 | 2021-09-29 | Bayer Healthcare LLC | System and method for syringe plunger engagement with an injector |
US11547794B2 (en) | 2015-10-28 | 2023-01-10 | Bayer Healthcare Llc | System and method for syringe plunger engagement with an injector |
KR20180075516A (en) * | 2015-10-28 | 2018-07-04 | 바이엘 헬쓰케어 엘엘씨 | System and method for syringe plunger engagement with an injector |
KR102659086B1 (en) | 2015-10-28 | 2024-04-22 | 바이엘 헬쓰케어 엘엘씨 | System and method for syringe plunger engagement with an injector |
US10835668B2 (en) | 2017-01-24 | 2020-11-17 | Bayer Healthcare Llc | Injector systems and syringe adapters for use therewith |
US11612689B2 (en) | 2017-01-24 | 2023-03-28 | Bayer Healthcare Llc | Injector systems and syringe adapters for use therewith |
US11969582B2 (en) | 2022-06-02 | 2024-04-30 | Bayer Healthcare Llc | Syringe plunger with dynamic seal |
Also Published As
Publication number | Publication date |
---|---|
AU9112698A (en) | 1999-03-16 |
EP1019121A4 (en) | 2001-04-04 |
JP2001513406A (en) | 2001-09-04 |
EP1019121A1 (en) | 2000-07-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6080136A (en) | Angiographic syringe adapter for front-loading injector | |
US5947929A (en) | Front-load angiographic injector system, angiographic syringe and plunger for angiographic syringe | |
EP1019121A1 (en) | Angiographic injection syringe and front-load injector adapter | |
US5007904A (en) | Plunger for power injector angiographic syringe, and syringe comprising same | |
US4911695A (en) | Plunger for power-driven angiographic syringe, and syringe and power injector system utilizing same | |
US7691085B2 (en) | Syringe interfaces and adapters for use with medical injectors | |
KR101314343B1 (en) | Front-loading medical injector and syringes for use therewith | |
US6336913B1 (en) | Front-loading syringe adapter for front-loading medical injector | |
US6554796B2 (en) | Safty hypodermic syringe and needle holder for same | |
US6485470B2 (en) | Device for metered administration of an injectable product | |
US4758232A (en) | Suction syringe with an automatic locking means | |
US5944694A (en) | Prefillable syringes and injectors for use therewith | |
US6984222B1 (en) | Plunger systems | |
US6017330A (en) | Plunger systems | |
US7497843B1 (en) | Syringe interfaces, syringe adapters and injector systems | |
DE29623825U1 (en) | Surgical instrument, handpiece and system | |
KR20170074968A (en) | Self-orienting pressure jacket and pressure jacket-to-injector interface | |
US8572834B2 (en) | Method of locking a syringe to an injector | |
EP0919251A3 (en) | Front-loading power injector and method of loading flanged syringe therein | |
WO1998017336A1 (en) | Syringe, injector and injector system | |
US4144885A (en) | Apparatus for the detachable connection of a piston with a piston plunger | |
GB2360214A (en) | Safety hypodermic syringe | |
US6432082B1 (en) | Safety syringe | |
EP1237600B1 (en) | Improvements in or relating to hypodermic syringes | |
KR200451044Y1 (en) | Reusable disposable syringe with anti-rotation structure of plunger |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AU CA IL IS JP |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
ENP | Entry into the national phase |
Ref country code: JP Ref document number: 2000 507420 Kind code of ref document: A Format of ref document f/p: F |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1998943298 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1998943298 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: CA |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1998943298 Country of ref document: EP |