CN101558241B - An open/close mechanism of passive mechanical interface and a finger-type peristaltic infusion pump - Google Patents
An open/close mechanism of passive mechanical interface and a finger-type peristaltic infusion pump Download PDFInfo
- Publication number
- CN101558241B CN101558241B CN200780041966.8A CN200780041966A CN101558241B CN 101558241 B CN101558241 B CN 101558241B CN 200780041966 A CN200780041966 A CN 200780041966A CN 101558241 B CN101558241 B CN 101558241B
- Authority
- CN
- China
- Prior art keywords
- mechanical interface
- passive mechanical
- interface
- indusion tube
- infusion pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
- F04B43/082—Machines, pumps, or pumping installations having flexible working members having tubular flexible members the tubular flexible member being pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the axes of the tubular member and each having its own driving mechanism
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- 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
- A61M5/14212—Pumping with an aspiration and an expulsion action
- A61M5/14228—Pumping with an aspiration and an expulsion action with linear peristaltic action, i.e. comprising at least three pressurising members or a helical member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
- F04B43/0054—Special features particularities of the flexible members
- F04B43/0072—Special features particularities of the flexible members of tubular flexible members
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- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
- A61M39/281—Automatic tube cut-off devices, e.g. squeezing tube on detection of air
Abstract
The present invention discloses an OPEN/CLOSE mechanism which comprises of a passive mechanical interface (MS) and a finger-type peristaltic infusion pump (DDS). The MS is an elongated member characterized by upstream and downstream opposite ends, integrally accommodating a portion of a flexible infusion-tube, the main longitudinal axis of said tube is parallel to the main longitudinal axis of said MS. The MS comprises modules selected from a group consisting (i) a saddle-like catch (saddle), located at one end of the MS, preferably the downstream end; and (ii) a toothed interface located at the opposite end of the MS, preferably the upstream end, the interface is adapted to accommodate at least one catch securely and reversibly fastening said MS in an OPEN configuration. The invention also presents methods for providing this OPEN/CLOSE mechanism.
Description
Technical field
A kind of opening/closing mechanism that provides by elongated passive mechanical interface (MS) and finger type wriggling transfusion pump (DDS) is provided.
Background technique
Finger type wriggling transfusion pump (DDS) uses flexible liquid conveying device to come delivery injection liquid.Pipe packed into to be needed among the DDS employee of patient or hospital to apply sizable strength and will make with the hands, and a hand installs to pipe among the DDS, and the another hand is fixed to pipe on its position.The installation requirement rich experience of pipe and the three-dimensional coordination ability.In addition, in the DDS of majority, the user must use their both hands that pipe is fixed in the pump.Therefore, the opening/closing mechanism that always needs the ease of Use of a kind of DDS of being used for for a long time.
Summary of the invention
Therefore the object of the present invention is to provide a kind of opening/closing mechanism, comprise a passive mechanical interface (MS) and a finger type wriggling transfusion pump (DDS).MS is an elongate members, has the relative end of upstream and downstream, integrally holds the part of flexible indusion tube, and the main longitudinal axis of described pipe is parallel to the main longitudinal axis of described MS.MS also comprises being selected from following assembly except comprising other assemblies: (i) snap close of a saddle type (catch) (saddle), and the end that it is positioned at MS is preferably located in downstream end; The (ii) interface of a profile of tooth, another end that it is positioned at MS is preferably located in the end, upstream, and described interface is suitable for holding at least one snap close, is used for fixing described MS securely and reversibly at Unclosing structure.
Finger type wriggling transfusion pump also comprises being selected from following assembly except comprising other assemblies:
(i) cylindrical shaft (cylinder (barrel)), it is positioned at for example part of pump, is preferably located in the downstream part.Described cylinder is suitable for by shape and size and described saddle coupling, make when described saddle and cylinder in conjunction with after two parts of realization hinged; Described hinged reversibly make described MS be easy to be in to open (MS is away from finger type wriggling transfusion pump) structure or be in close (MS combines with finger type wriggling transfusion pump) structure; With
(ii) at least one Spring lock catch, the part that it is positioned at described pump is preferably located in upstream portion.Described snap close is suitable for locking the interface of described profile of tooth and reversibly and effectively described MS is locked in the described closing structure; Wherein by step by step described MS being combined with described finger type wriggling transfusion pump, provide a kind of simple and prevent three step mechanism of the opening/closing of mistake:
The first step comprises, in described Unclosing structure described saddle is combined with described cylinder, makes to remove one degree of freedom, the degrees of freedom of promptly rolling on the total direction of described three dimensional space;
Second step is rotationally with the mode closure of described MS with similar lever; And
The 3rd step comprised, described Spring lock catch was attached in the interface of described profile of tooth, made and removed other five degrees of freedom (DOF) and obtain firm closing structure.
Another object of the present invention is to, opening/closing mechanism as defined above is provided, wherein described MS is rotated and is closed to the required power of its closing structure and be about 1.2Kg.
Another object of the present invention is to, opening/closing mechanism as defined above is provided, wherein said cylinder-saddle articulated mechanism provides singlehanded ability in conjunction with MS-DDS.
Another object of the present invention is to, opening/closing mechanism as defined above is provided, wherein flexible indusion tube is accommodated among the described MS by two connectors; Described connector is fixed described pipe and is made described pipe be stable at the power that is applied to the main longitudinal axis that is parallel to described pipe, promptly from patient's circuit and/or the supply circuit power.
Another object of the present invention is to, disclose a kind of method that opening/closing mechanism is provided by elongated passive mechanical interface (MS) and finger type wriggling transfusion pump.This method may further comprise the steps:
A. obtain opening/closing mechanism as above-mentioned each definition;
B. step by step described MS is combined with described finger type wriggling transfusion pump, thereby provide a kind of simple and prevent three step mechanism of wrong opening/closing.This mechanism may further comprise the steps:
I. in described Unclosing structure, described saddle is combined with described cylinder, make described three
Remove one degree of freedom, the degrees of freedom of promptly rolling on the total direction of dimension space;
I i. is rotationally with the mode closure of described MS with similar lever, and the 3rd step comprise,
Described Spring lock catch is attached in the interface of described profile of tooth, makes and remove other five degrees of freedom and obtain firm closing structure; And,
Iii. in described Unclosing structure, described saddle is combined with described cylinder, make and on the total direction of the three dimensional space of described MS-DDS, remove one degree of freedom (DOF), the degrees of freedom of promptly rolling.
Another object of the present invention also is to provide method as defined above, this method comprises that the power of applying goes to described MS the step of its closing structure, described power for example is about not hinged MS mechanism closure (closing) half to the required power of described pump mechanism (about 2.5Kg) less than about 1.2Kg.
At last, the object of the present invention is to provide method as defined above, wherein the method progressively that described MS is combined with described finger type wriggling transfusion pump comprises that use is singlehanded.
Description of drawings
How to implement the present invention in practice in order to understand the present invention and graphical illustration, only a plurality of preferred embodiments are described in the mode of unrestriced example now with reference to accompanying drawing, in the accompanying drawings:
Forward sight plan view according to the opening/closing mechanism that is provided by elongated passive mechanical interface (MS) and finger type wriggling transfusion pump of one embodiment of the invention is be provided Fig. 1; This view is that MS is encased in finger type wriggling transfusion pump view before;
Plan view according to the opening/closing mechanism that is provided by elongated passive mechanical interface and finger type wriggling transfusion pump of one embodiment of the invention is be provided Fig. 2; This view is that MS is encased in finger type wriggling transfusion pump view afterwards;
Fig. 3-5 schematically shows the front elevation that MS is encased in three steps in the finger type wriggling transfusion pump; And
Fig. 6 schematically shows the front elevation of the MS-DDS of institute's combination, demonstrates to be used for MS placed and be fixed on the required power in appropriate location and to be half of the size that is applied to the power on the MS by pump mechanism approximately.
Embodiment
In order to make those of ordinary skill in the art use described invention, propose following explanation with all chapters and sections of the present invention, and at length explained enforcement the preferred embodiments of the invention by inventor's design.Yet, thereby after General Principle of the present invention was clearly defined the opening/closing mechanism that a kind of passive mechanical interface and finger type wriggling transfusion pump are provided, various modifications were apparent to one skilled in the art.
The present invention relates in general to a kind of passive mechanical interface that is used in reference to the type wriggling transfusion pump; Described MS integrally holds the part of flexible indusion tube.MS be suitable for by apply indivisible energy just by simple, intuitive be installed in the finger type wriggling transfusion pump.MS is installed in the finger type wriggling transfusion pump and can implements by singlehanded simply.MS of the present invention is designed to and can only installs on predetermined direction, and this MS can not install in opposite mode, and promptly wherein parenteral solution flows in the opposite direction.
Scope of the present invention also comprises, wherein by MS being fixed on the finger type wriggling transfusion pump, provides flexible indusion tube and pump mechanism firm combination simultaneously.Therefore, fixing MS guarantees that pipe is positioned at preposition, especially with respect to (i) compress finger (pressing-finger) and (ii) the various sensors of pump be positioned at preposition.In addition, Gu Ding MS has been provided by the stability of pipe opposing pulling force and thrust (that is the power that is provided by the main longitudinal axis of patient's circuit and supply line curb pipe).
Term in the literary composition " a plurality of " is meant and is equal to or greater than 1 integer arbitrarily, for example 2.
Term in the literary composition " transfusion apparatus (administration set) " is meant any device that fluid is transferred to the patient from supply source via DDS.
Term in the literary composition " patient's circuit (PL) " is meant any parts between finger type wriggling transfusion pump and patient of transfusion apparatus.
Term in the literary composition " supply circuit (SL) " be meant transfusion apparatus in fluid provider to any parts between the finger type wriggling transfusion pump.
Term " passive mechanical interface " is meant the mechanical interface of the equipment pipeline with moving element, and this moving element for example is piston, hinge, cam, wheel, sealing film, liner or the like.
Term in the literary composition " saddle " is meant a kind of hinge of saddle type, and MS combines with pump rotationally by this hinge.According to one embodiment of the invention, saddle is positioned at the downstream part of MS.According to another embodiment of the present invention, saddle further comprises a plurality of securing meanss, for example snap close, clip, screw, pin and cylinder.
Term in the literary composition " Cylindorical rod " is meant cylindrical shaft, the part that it for example is positioned at the downstream side of finger type wriggling transfusion pump and the MS-DDS interface is provided.
Referring now to Fig. 1, show the opening/closing mechanism that provides by elongated passive mechanical interface and finger type wriggling transfusion pump.This opening/closing mechanism also comprises inter alia and is selected from following member: (1) pump; (2) MS; (3) PL; (4) SL; (5) connector; (6) interface of MS saddle type (saddle is positioned at the downstream side here); (7) interface of MS profile of tooth (interface is positioned at upstream side here); (8) pump-MS access flap; (9) pump-MS interface wall; (10) on pump-MS interface wall, be used for the opening of MS connector; (11) the cylindrical axial interface of pump (for example, being positioned at the downstream side); (12) the spring-actuated locker interface (for example, this interface is positioned at upstream side here) of pump; (13) pipeline section of MS inside.
Referring now to Fig. 2, show an opening/closing mechanism, comprising: (21) MS; (22) pump; (23) PL; (24) SL; (25) connector; (26) pipeline section of MS inside; (27) on pump-MS interface wall, be used for the opening of MS connector.
Referring now to Fig. 3, show first step of the close mechanism of this opening/closing: singlehanded with MS (31) location (interface of saddle type is placed on the cylindrical axial interface) in pump (32).
Referring now to Fig. 4, show second step of the close mechanism of this opening/closing: one hand turns to final position (the spring-actuated locker interface automatic drawing back of pump) with MS.
Referring now to Fig. 5, the 3rd step: the MS of close mechanism that shows this opening/closing is in the final position (the spring-actuated locker interface of pump automatically locks MS).
Referring now to Fig. 6, show and be used for MS location and be locked in the required power in appropriate location being half of the size that is applied to the power on the MS by pump mechanism approximately.
Claims (12)
1. liquid conveying device comprises:
A finger type wriggling transfusion pump comprises a mechanism that is used for the power that applies on flexible indusion tube; With
A passive mechanical interface, it integrally holds the part of described indusion tube and has relative first end and the second end, and comprises a snap close and an interface that is positioned at the profile of tooth of described the second end that is positioned at the saddle type of described first end,
Wherein said infusion pump comprises:
A cylindrical shaft is suitable for installing the snap close of described saddle type; With
A Spring lock catch, it is suitable for when the snap close with described saddle type is installed on the described cylindrical shaft, applied force when response turns to closing structure at the described first end with described passive mechanical interface facing to this Spring lock catch, and reversibly lock the interface of described profile of tooth, thereby described pipe is combined with the mechanism of described infusion pump.
2. according to the device of claim 1, wherein said passive mechanical interface is an elongate members, has the longitudinal axis that is parallel to described indusion tube.
3. according to the device of claim 1, wherein said flexible indusion tube is accommodated in the described passive mechanical interface by two connectors; Described connector is fixed described indusion tube and is made described indusion tube be stable at the power that is applied to the main longitudinal axis that is parallel to described pipe.
4. according to the device of claim 1, wherein described passive mechanical interface being rotated and place the required power of described closing structure is about 1.2kg.
5. a transfusion apparatus is used for using with finger type wriggling transfusion pump, and described finger type wriggling transfusion pump comprises a mechanism that is used for the power that applies on flexible indusion tube, and described equipment comprises:
A passive mechanical interface, it integrally holds the part of described indusion tube and has relative first end and the second end, and comprises a snap close and the interface in the profile of tooth of described the second end in the saddle type of described first end,
The snap close of wherein said saddle type is suitable for being installed on the cylindrical shaft on the described infusion pump, and
The interface of wherein said profile of tooth is suitable for when the snap close of described saddle type is installed on the described cylindrical shaft, applied force when response turns to closing structure at the described first end with described passive mechanical interface facing to described Spring lock catch, and reversibly be locked on the described infusion pump, thereby described pipe is combined with the mechanism of described infusion pump by described Spring lock catch.
6. according to the equipment of claim 5, wherein said passive mechanical interface is an elongate members, has the longitudinal axis that is parallel to described indusion tube.
7. according to the equipment of claim 5, wherein said flexible indusion tube is accommodated in the described passive mechanical interface by two connectors; Described connector is fixed described indusion tube and is made described indusion tube be stable at the power that is applied to the main longitudinal axis that is parallel to described pipe.
8. according to the equipment of claim 5, wherein described passive mechanical interface being rotated and place the required power of described closing structure is about 1.2kg.
9. one kind is used to operate the method that refers to the type wriggling transfusion pump, and this refers to that the type wriggling transfusion pump comprises a mechanism that is used for the power that applies on flexible indusion tube, and described method comprises:
A passive mechanical interface is provided, and it integrally holds the part of described indusion tube and has relative first end and the second end, and comprises a snap close and the interface in the profile of tooth of described the second end in the saddle type of described first end;
The snap close of described saddle type is installed on the cylindrical shaft of described infusion pump; And
When the snap close of described saddle type is installed on the described cylindrical shaft, apply a power and turn to closing structure facing to the Spring lock catch on the described infusion pump with described first end with described passive mechanical interface, reversibly described Spring lock catch being locked the interface of described profile of tooth, thereby described pipe is combined with the mechanism of described infusion pump.
10. according to the method for claim 9, wherein said passive mechanical interface is an elongate members, has the longitudinal axis that is parallel to described indusion tube.
11. according to the method for claim 9, wherein said flexible indusion tube is accommodated in the described passive mechanical interface by two connectors; Described connector is fixed described indusion tube and is made described indusion tube be stable at the power that is applied to the main longitudinal axis that is parallel to described pipe.
12. according to the method for claim 9, wherein described passive mechanical interface being rotated and place the required power of described closing structure is about 1.2kg.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL179228 | 2006-11-13 | ||
| IL179228A IL179228A0 (en) | 2006-11-13 | 2006-11-13 | An open/close mechanism of passive mechanical interface and a finger-type peristaltic infusion pump |
| PCT/IL2007/001399 WO2008059493A2 (en) | 2006-11-13 | 2007-11-13 | An open/close mechanism of passive mechanical interface and a finger-type peristaltic infusion pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101558241A CN101558241A (en) | 2009-10-14 |
| CN101558241B true CN101558241B (en) | 2011-05-25 |
Family
ID=39402083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780041966.8A Active CN101558241B (en) | 2006-11-13 | 2007-11-13 | An open/close mechanism of passive mechanical interface and a finger-type peristaltic infusion pump |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101558241B (en) |
| IL (1) | IL179228A0 (en) |
| WO (1) | WO2008059493A2 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL165365A0 (en) | 2004-11-24 | 2006-01-15 | Q Core Ltd | Finger-type peristaltic pump |
| US8308457B2 (en) | 2004-11-24 | 2012-11-13 | Q-Core Medical Ltd. | Peristaltic infusion pump with locking mechanism |
| US8535025B2 (en) | 2006-11-13 | 2013-09-17 | Q-Core Medical Ltd. | Magnetically balanced finger-type peristaltic pump |
| IL179231A0 (en) | 2006-11-13 | 2007-03-08 | Q Core Ltd | A finger-type peristaltic pump comprising a ribbed anvil |
| IL179234A0 (en) | 2006-11-13 | 2007-03-08 | Q Core Ltd | An anti-free flow mechanism |
| US8371832B2 (en) | 2009-12-22 | 2013-02-12 | Q-Core Medical Ltd. | Peristaltic pump with linear flow control |
| US8142400B2 (en) | 2009-12-22 | 2012-03-27 | Q-Core Medical Ltd. | Peristaltic pump with bi-directional pressure sensor |
| WO2011128850A2 (en) | 2010-04-12 | 2011-10-20 | Q Core Medical Ltd | Air trap for intravenous pump |
| EP2663359B1 (en) | 2011-01-16 | 2017-11-01 | Q-Core Medical Ltd. | Methods, apparatus and systems for medical device communication, control and localization |
| WO2013001425A2 (en) | 2011-06-27 | 2013-01-03 | Q-Core Medical Ltd. | Methods, circuits, devices, apparatuses, encasements and systems for identifying if a medical infusion system is decalibrated |
| US9855110B2 (en) | 2013-02-05 | 2018-01-02 | Q-Core Medical Ltd. | Methods, apparatus and systems for operating a medical device including an accelerometer |
| US20140378901A1 (en) * | 2013-06-23 | 2014-12-25 | Q-Core Medical Ltd. | Mechanical pump to tube interfaces, systems including the interfaces and methods for producing same |
| CA2947265C (en) * | 2014-04-28 | 2017-12-05 | Smiths Medical Asd, Inc. | Infusion pump pressure plate |
| US11679189B2 (en) | 2019-11-18 | 2023-06-20 | Eitan Medical Ltd. | Fast test for medical pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0090440A1 (en) * | 1979-03-09 | 1983-10-05 | Minnesota Mining And Manufacturing Company | Nonpulsating intravenous pump |
| US5213483A (en) * | 1991-06-19 | 1993-05-25 | Strato Medical Corporation | Peristaltic infusion pump with removable cassette and mechanically keyed tube set |
| US5395320A (en) * | 1992-06-09 | 1995-03-07 | Sabratek Corporation | Programmable infusion pump with interchangeable tubing |
| US5658252A (en) * | 1993-11-22 | 1997-08-19 | Sims Deltec, Inc. | Drug pump including pressure plate and tube |
| CN2379139Y (en) * | 1999-06-18 | 2000-05-24 | 高晶敏 | Automatic infusion device having position liminating means |
| US6371732B1 (en) * | 1998-11-09 | 2002-04-16 | Ahmad Maher Moubayed | Curvilinear peristaltic pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL165365A0 (en) * | 2004-11-24 | 2006-01-15 | Q Core Ltd | Finger-type peristaltic pump |
-
2006
- 2006-11-13 IL IL179228A patent/IL179228A0/en unknown
-
2007
- 2007-11-13 WO PCT/IL2007/001399 patent/WO2008059493A2/en active Application Filing
- 2007-11-13 CN CN200780041966.8A patent/CN101558241B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0090440A1 (en) * | 1979-03-09 | 1983-10-05 | Minnesota Mining And Manufacturing Company | Nonpulsating intravenous pump |
| US5213483A (en) * | 1991-06-19 | 1993-05-25 | Strato Medical Corporation | Peristaltic infusion pump with removable cassette and mechanically keyed tube set |
| US5395320A (en) * | 1992-06-09 | 1995-03-07 | Sabratek Corporation | Programmable infusion pump with interchangeable tubing |
| US5658252A (en) * | 1993-11-22 | 1997-08-19 | Sims Deltec, Inc. | Drug pump including pressure plate and tube |
| US6371732B1 (en) * | 1998-11-09 | 2002-04-16 | Ahmad Maher Moubayed | Curvilinear peristaltic pump |
| CN2379139Y (en) * | 1999-06-18 | 2000-05-24 | 高晶敏 | Automatic infusion device having position liminating means |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008059493A2 (en) | 2008-05-22 |
| WO2008059493A3 (en) | 2009-04-16 |
| CN101558241A (en) | 2009-10-14 |
| IL179228A0 (en) | 2007-03-08 |
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