US20120059250A1 - Power Injectable Port Identification - Google Patents
Power Injectable Port Identification Download PDFInfo
- Publication number
- US20120059250A1 US20120059250A1 US13/290,249 US201113290249A US2012059250A1 US 20120059250 A1 US20120059250 A1 US 20120059250A1 US 201113290249 A US201113290249 A US 201113290249A US 2012059250 A1 US2012059250 A1 US 2012059250A1
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- United States
- Prior art keywords
- port
- radiopaque insert
- implantable
- implantable port
- radiopaque
- 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.)
- Abandoned
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Classifications
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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
- A61M39/02—Access sites
- A61M39/0208—Subcutaneous access sites for injecting or removing fluids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/48—Diagnostic techniques
- A61B6/481—Diagnostic techniques involving the use of contrast agents
-
- 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
- A61M39/02—Access sites
- A61M39/0208—Subcutaneous access sites for injecting or removing fluids
- A61M2039/0238—Subcutaneous access sites for injecting or removing fluids having means for locating the implanted device to insure proper injection, e.g. radio-emitter, protuberances, radio-opaque markers
Definitions
- Implantable ports are designed for patients who require long term access to the central venous system or other internal structures for the administration and/or withdrawal of fluids, including hydration fluids, antibiotics, chemotherapy, analgesics, nutritional therapy and blood products.
- a catheter is typically inserted to form a path to the vascular system by advancing a distal end of the catheter into a blood vessel while a proximal end is connected to the port that is implanted subcutaneously.
- the port is generally placed under the skin on the upper part of the chest wall or the upper arm, and allows patients to access the desired body lumen while avoiding repeated needlesticks to the target structure.
- Power injectable implantable ports offer the additional advantage of providing access for the power injection of contrast agents to enhance imaging, such as Contrast-Enhanced Computer Tomography (CECT) scans, which rely on intravenously administered contrast agents to enhance the visibility of internal structures.
- the contrast agent is power injected into the blood stream to highlight features that would otherwise be difficult to distinguish from nearby tissues.
- power injectable ports provide access for the standard injection and withdrawal of fluids (e.g., for therapeutic purposes) and for power injection of contrast agents to enhance imaging.
- CT computed tomography
- Radiopaque ink prevents X-rays or similar radiation waves to pass therethrough so that they may be identified in scans.
- the radiopaque ink in these ports is often located on an outer surface of the port, which can be susceptible to damage such as smearing, cracking and fragmenting in the subcutaneous environment, making the marking unreadable.
- fragments of ink may migrate, leading to ink integrity issues.
- CT identifying technology is used in the POWERPORT®, manufactured by Bard Access Systems Inc., Salt Lake City, Utah.
- the POWERPORT® includes an external metal component with “CT” lettering at the base.
- CT computed tomography
- Device labeling may include manufacturer and/or lot numbers, which may be helpful in identifying the port.
- the present invention is directed to an implantable port for accessing internal body structures, the port comprises a proximal housing including an opening providing access to an interior of the port and a distal housing adapted for assembly with the proximal housing, the distal housing including a reservoir which, when the distal housing is mated with the proximal housing is in fluid communication with the opening of the proximal housing in combination with a radiopaque element in one of the proximal and distal housings, a shape of the radiopaque element identifying, when imaged, a structural characteristic of the port not otherwise identifiable visually.
- FIG. 1 shows a port according to an exemplary embodiment the invention
- FIG. 2 shows a cross-sectional view of a distal housing of the port of FIG. 1 ;
- FIG. 3 shows a cross-sectional view of a port according to another embodiment of the invention.
- FIG. 4 shows an exploded view of the port of FIG. 3 ;
- FIG. 5 shows an exploded bottom view of a port according to another embodiment of the invention.
- FIG. 6 shows an exploded view of a port according to yet another embodiment of the invention.
- the present invention may be further understood with reference to the following description of exemplary embodiments and the related appended drawings, wherein like elements are provided with the same reference numerals.
- the present invention relates to devices for accessing the vascular system via a catheter and, more specifically, relates to a power-injectable port that may be identified as such after implantation.
- a power-injectable port that may be identified as such after implantation.
- the ports described herein are generally implanted with an opening through which fluids are to be introduced or withdrawn facing the skin.
- proximal refers to a direction toward the skin while distal refers to a distance deeper into the body.
- a port 10 according to an exemplary embodiment the invention comprises a distal housing 12 and a proximal housing 14 which are mated together to seal an internal reservoir 16 coupled to a fluid outlet 18 which is coupled to a body structure to which fluids are to be supplied and/or from which fluids are to be withdrawn.
- a proximal surface of the proximal housing 14 includes an opening 20 via which fluids are supplied and/or withdrawn from the reservoir 16 .
- the opening 20 is sealed by a self-sealing septum 22 .
- the reservoir and the body structure to which the outlet 18 is coupled may be accessed by passing a needle through the septum 22 with the septum 22 resealing itself as soon as the needle is withdrawn, as would be understood by those skilled in the art.
- a radiopaque insert 24 is embedded in a base 26 of the distal housing 12 .
- the radiopaque insert 24 incorporates an identifying mark 28 (e.g., a CT mark or other indication of characteristics of the port) visible through the use of one or more types of electromagnetic scan such as X-rays, etc.
- the radiopaque insert 24 may be formed of any material having the desired radiopaque properties (e.g., titanium).
- the identifying mark 28 may, for example, be cut-through the radiopaque insert 24 allowing the scanning radiation to pass therethrough in a pattern indicative of a characteristic (e.g., suitability for power injection) of the port 10 .
- the cut-through design of the identifying mark 28 will be clearly visible without increasing the likelihood of tissue ingrowth.
- the CT mark shown in FIG. 2 is for illustrative purposes only, and it will be understood by those of skill in the art that a CT mark on the radiopaque insert 24 may be a mirror image of the marking shown so that the CT may be legible when viewed under the electromagnetic scan.
- the radiopaque insert 24 may be embedded within distal housing 12 via an insert molding process in which the radiopaque insert 24 is robotically or hand loaded into a mold cavity between shots.
- the insert 24 is supported in position in the mold by a series of needle-like core pins and, during injection, these pins are retracted into the mold base as the plastic fills the cavity and encapsulates the insert.
- the distal housing 12 is ready to be assembled with the other port components in the same manner for a port without such a radiopaque insert 24 .
- Standard assembly techniques such as ultrasonic welding, snap fit or solvent bond may be utilized as would be understood by those skilled in the art.
- a port 30 comprises a distal housing 32 , a proximal housing 34 and a radiopaque insert 36 .
- the distal housing 32 includes a distal flange 38 extending radially outward from a wall of 40 of the distal housing forming a reservoir of the port 30 with a corresponding proximal flange 42 of the proximal housing 34 extending thereover when assembled with the distal housing 32 .
- the proximal housing 34 is preferably formed so that, when mated with the distal housing 32 , a recess 44 is formed between the distal and proximal flanges 38 , 42 , respectively.
- the radiopaque insert 36 may be made of any radiopaque material with an identifying mark 46 (e.g., CT) cut-out so that the mark 46 is clearly visible when imaged using any of the known scanning techniques.
- CT identifying mark
- the radiopaque insert 36 may be embedded in either of the proximal and distal flanges 38 , 42 , respectively using an insert molding process. As described above, the radiopaque insert 36 may be placed into a mold cavity between shots and held in place by a series of needle-like core pins. During injection, these pins are retracted into the mold base as plastic fills the cavity and encapsulates the insert 36 . Once the insert 36 has been embedded, the distal housing 32 is ready to be assembled with the other port components including the proximal housing 34 as described above.
- a port 50 comprises a distal housing 52 and a radiopaque insert 54 having a periphery shaped to define an identifying mark 56 .
- identifying mark consists of more than one element (e.g., multiple letters)
- the insert 54 may be overmolded into the distal housing 52 by inserting it into the cavity before injection. The plastic would form around the insert, leaving the surface of the CT mark visible on the underside of the base.
- the distal housing 52 with overmolded radiopaque insert 54 may be assembled with the rest of the port components using any standard assembly techniques as described above.
- the overmolded insert 54 may be mechanically combined with a port stem and inserted into the mold. Overmolding would then encapsulate and seal the insert . 54 into the distal housing 52 while simultaneously binding the stem to the distal housing 52 .
- Such an embodiment provides a radiopaque marker for power injectability while eliminating a separate stem/port assembly step.
- a port 60 comprises a proximal housing 62 that may be molded using plastic loaded with radiopaque fillers such as barium, bismuth, and tungsten.
- the proximal housing 62 includes a proximal flange 64 extending radially outward therefrom with a corresponding distal flange 68 extending radially outward from a distal housing 70 in the same manner described above in regard to the port 30 of FIGS. 3 and 4 .
- the proximal flange 64 includes an identifying mark 72 mark cut through a thickness thereof (e.g., during a molding process).
- the distal housing 70 is formed of standard plastic with no radiopaque fillers so that the mark 72 creates a “negative” of the mark 72 when imaged (e.g., under CT or other body scan).
- a silicone boot or skirt may be incorporated such that the boot or skirt covers the cut-through lettering. It will be understood by those of skill in the art that the boot or skirt may additionally be composed of any suitable non-radiopaque material.
- distal housing 70 may, alternatively, be formed of a material incorporating radiopaque fillers with the mark 72 cut out of the distal flange 68 while the proximal housing 64 is formed of a material free of radiopaque fillers.
Abstract
An implantable port for accessing internal body structures, the port comprises a proximal housing including an opening providing access to an interior of the port and a distal housing adapted for assembly with the proximal housing, the distal housing including a reservoir which, when the distal housing is mated with the proximal housing is in fluid communication with the opening of the proximal housing in combination with a radiopaque element in one of the proximal and distal housings, a shape of the radiopaque element identifying, when imaged, a structural characteristic of the port not otherwise identifiable visually.
Description
- Implantable ports are designed for patients who require long term access to the central venous system or other internal structures for the administration and/or withdrawal of fluids, including hydration fluids, antibiotics, chemotherapy, analgesics, nutritional therapy and blood products. A catheter is typically inserted to form a path to the vascular system by advancing a distal end of the catheter into a blood vessel while a proximal end is connected to the port that is implanted subcutaneously. The port is generally placed under the skin on the upper part of the chest wall or the upper arm, and allows patients to access the desired body lumen while avoiding repeated needlesticks to the target structure. Power injectable implantable ports offer the additional advantage of providing access for the power injection of contrast agents to enhance imaging, such as Contrast-Enhanced Computer Tomography (CECT) scans, which rely on intravenously administered contrast agents to enhance the visibility of internal structures. The contrast agent is power injected into the blood stream to highlight features that would otherwise be difficult to distinguish from nearby tissues. Thus, power injectable ports provide access for the standard injection and withdrawal of fluids (e.g., for therapeutic purposes) and for power injection of contrast agents to enhance imaging.
- Although, it is desirable to use ports which are also suitable for power injection, users must be able to positively identify such ports to ensure they are not accessing a port which is not useable for power injection. The industry has established a “CT” mark, which when viewed under a CT scan, is a standard indication of power injectability. Some existing “CT” identifying technologies known in the field today include a cut-through “CT” design through the port body. The limitation of this design is the space available on the port that would allow for adequate size and visibility of the “CT” lettering. Another disadvantage of cut-through design is that the space could promote tissue ingrowth, which may make it more difficult to remove the port later.
- Pad printing the “CT” letters onto the port using radiopaque ink is another existing technology. Radiopaque ink prevents X-rays or similar radiation waves to pass therethrough so that they may be identified in scans. However, the radiopaque ink in these ports is often located on an outer surface of the port, which can be susceptible to damage such as smearing, cracking and fragmenting in the subcutaneous environment, making the marking unreadable. In addition, fragments of ink may migrate, leading to ink integrity issues.
- Another CT identifying technology is used in the POWERPORT®, manufactured by Bard Access Systems Inc., Salt Lake City, Utah. The POWERPORT® includes an external metal component with “CT” lettering at the base. However, the “CT” lettering occupies a space on the base of the port where the device labeling is typically placed. Device labeling may include manufacturer and/or lot numbers, which may be helpful in identifying the port. In addition, there is a risk of the external component becoming separated from the device.
- The present invention is directed to an implantable port for accessing internal body structures, the port comprises a proximal housing including an opening providing access to an interior of the port and a distal housing adapted for assembly with the proximal housing, the distal housing including a reservoir which, when the distal housing is mated with the proximal housing is in fluid communication with the opening of the proximal housing in combination with a radiopaque element in one of the proximal and distal housings, a shape of the radiopaque element identifying, when imaged, a structural characteristic of the port not otherwise identifiable visually.
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FIG. 1 shows a port according to an exemplary embodiment the invention; -
FIG. 2 shows a cross-sectional view of a distal housing of the port ofFIG. 1 ; -
FIG. 3 shows a cross-sectional view of a port according to another embodiment of the invention; -
FIG. 4 shows an exploded view of the port ofFIG. 3 ; -
FIG. 5 shows an exploded bottom view of a port according to another embodiment of the invention; and -
FIG. 6 shows an exploded view of a port according to yet another embodiment of the invention. - The present invention may be further understood with reference to the following description of exemplary embodiments and the related appended drawings, wherein like elements are provided with the same reference numerals. The present invention relates to devices for accessing the vascular system via a catheter and, more specifically, relates to a power-injectable port that may be identified as such after implantation. Those skilled in the art will understand that the ports described herein are generally implanted with an opening through which fluids are to be introduced or withdrawn facing the skin. As used in this application, the term proximal refers to a direction toward the skin while distal refers to a distance deeper into the body.
- As shown in
FIGS. 1 and 2 , aport 10 according to an exemplary embodiment the invention comprises adistal housing 12 and aproximal housing 14 which are mated together to seal aninternal reservoir 16 coupled to afluid outlet 18 which is coupled to a body structure to which fluids are to be supplied and/or from which fluids are to be withdrawn. A proximal surface of theproximal housing 14 includes an opening 20 via which fluids are supplied and/or withdrawn from thereservoir 16. The opening 20 is sealed by a self-sealingseptum 22. Thus, the reservoir and the body structure to which theoutlet 18 is coupled may be accessed by passing a needle through theseptum 22 with theseptum 22 resealing itself as soon as the needle is withdrawn, as would be understood by those skilled in the art. - As shown in
FIG. 2 , aradiopaque insert 24 is embedded in abase 26 of thedistal housing 12. Theradiopaque insert 24 incorporates an identifying mark 28 (e.g., a CT mark or other indication of characteristics of the port) visible through the use of one or more types of electromagnetic scan such as X-rays, etc. As would be understood by those skilled in the art, theradiopaque insert 24 may be formed of any material having the desired radiopaque properties (e.g., titanium). The identifyingmark 28 may, for example, be cut-through theradiopaque insert 24 allowing the scanning radiation to pass therethrough in a pattern indicative of a characteristic (e.g., suitability for power injection) of theport 10. Those skilled in the art will understand that, as theinsert 24 is embedded in thedistal housing 12, the cut-through design of the identifyingmark 28 will be clearly visible without increasing the likelihood of tissue ingrowth. The CT mark shown inFIG. 2 is for illustrative purposes only, and it will be understood by those of skill in the art that a CT mark on theradiopaque insert 24 may be a mirror image of the marking shown so that the CT may be legible when viewed under the electromagnetic scan. - As would be understood by those skilled in the art, the
radiopaque insert 24 may be embedded withindistal housing 12 via an insert molding process in which theradiopaque insert 24 is robotically or hand loaded into a mold cavity between shots. Theinsert 24 is supported in position in the mold by a series of needle-like core pins and, during injection, these pins are retracted into the mold base as the plastic fills the cavity and encapsulates the insert. Once theinsert 24 has been embedded in thedistal housing 12, thedistal housing 12 is ready to be assembled with the other port components in the same manner for a port without such aradiopaque insert 24. Standard assembly techniques such as ultrasonic welding, snap fit or solvent bond may be utilized as would be understood by those skilled in the art. - As shown in
FIGS. 3 and 4 , aport 30 according to another embodiment of the invention comprises adistal housing 32, aproximal housing 34 and aradiopaque insert 36. Thedistal housing 32 includes adistal flange 38 extending radially outward from a wall of 40 of the distal housing forming a reservoir of theport 30 with a correspondingproximal flange 42 of theproximal housing 34 extending thereover when assembled with thedistal housing 32. Theproximal housing 34 is preferably formed so that, when mated with thedistal housing 32, arecess 44 is formed between the distal andproximal flanges radiopaque insert 36 is received in therecess 44 between the distal andproximal flanges distal housing 32 and theproximal housing 34 may then be joined via any standard plastic joining process, such as ultrasonic welding, snap-fit, and solvent bond, to hold theradiopaque insert 36 in place as would be understood by those skilled in the art. - As described above, the
radiopaque insert 36 may be made of any radiopaque material with an identifying mark 46 (e.g., CT) cut-out so that themark 46 is clearly visible when imaged using any of the known scanning techniques. As theinsert 36 is housed between the proximal anddistal flanges insert 36 becoming detached from theport 30 is also minimized. - In a further embodiment of the present invention, the
radiopaque insert 36 may be embedded in either of the proximal anddistal flanges radiopaque insert 36 may be placed into a mold cavity between shots and held in place by a series of needle-like core pins. During injection, these pins are retracted into the mold base as plastic fills the cavity and encapsulates theinsert 36. Once theinsert 36 has been embedded, thedistal housing 32 is ready to be assembled with the other port components including theproximal housing 34 as described above. - In another embodiment of the present invention, as shown in
FIG. 5 , aport 50 comprises adistal housing 52 and aradiopaque insert 54 having a periphery shaped to define an identifyingmark 56. Those skilled in the art will understand that, when the identifying mark consists of more than one element (e.g., multiple letters) a minimal amount of radiopaque material may extend between these elements to maintain a desired alignment during the molding process. Theinsert 54 may be overmolded into thedistal housing 52 by inserting it into the cavity before injection. The plastic would form around the insert, leaving the surface of the CT mark visible on the underside of the base. Thedistal housing 52 with overmoldedradiopaque insert 54 may be assembled with the rest of the port components using any standard assembly techniques as described above. - In a further embodiment, the
overmolded insert 54 may be mechanically combined with a port stem and inserted into the mold. Overmolding would then encapsulate and seal the insert . 54 into thedistal housing 52 while simultaneously binding the stem to thedistal housing 52. Such an embodiment provides a radiopaque marker for power injectability while eliminating a separate stem/port assembly step. - In another embodiment of the present invention, shown in
FIG. 6 , aport 60 comprises aproximal housing 62 that may be molded using plastic loaded with radiopaque fillers such as barium, bismuth, and tungsten. Theproximal housing 62 includes aproximal flange 64 extending radially outward therefrom with a correspondingdistal flange 68 extending radially outward from adistal housing 70 in the same manner described above in regard to theport 30 ofFIGS. 3 and 4 . Theproximal flange 64 includes an identifyingmark 72 mark cut through a thickness thereof (e.g., during a molding process). Thedistal housing 70, or at least thedistal flange 68, is formed of standard plastic with no radiopaque fillers so that themark 72 creates a “negative” of themark 72 when imaged (e.g., under CT or other body scan). In order to prevent tissue ingrowth, a silicone boot or skirt may be incorporated such that the boot or skirt covers the cut-through lettering. It will be understood by those of skill in the art that the boot or skirt may additionally be composed of any suitable non-radiopaque material. Furthermore, those skilled in the art will understand that thedistal housing 70 may, alternatively, be formed of a material incorporating radiopaque fillers with themark 72 cut out of thedistal flange 68 while theproximal housing 64 is formed of a material free of radiopaque fillers. - It will be apparent to those skilled in the art that various modifications and variations can be made in the structure and the methodology of the present invention, without departing from the spirit or scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided that they come within the scope of the appended claims and their equivalents.
Claims (25)
1-21. (canceled)
22. An implantable port, comprising:
a wall having a radiopaque insert integrated therein,
wherein the radiopaque insert is configured to identify an orientation of the port and a characteristic of the port when exposed to imaging radiation, said orientation and said characteristic not being clearly visible after implantation of the port into a living body without the use of imaging radiation.
23. The implantable port of claim 22 , wherein the radiopaque insert includes a cutout portion allowing imaging radiation to pass therethrough in a pattern indicative of an orientation or a characteristic of the port not clearly visible after implantation into a living body.
24. The implantable port of claim 22 , wherein the radiopaque insert is molded into the wall of the port.
25. The implantable port of claim 22 , wherein the port, exclusive of the radiopaque insert, is formed of a material transparent to imaging radiation.
26. The implantable port of claim 22 , wherein the radiopaque insert includes titanium.
27. The implantable port of claim 22 , wherein a periphery of the radiopaque insert is shaped to define an identifying mark.
28. The implantable port of claim 22 , wherein the radiopaque insert includes lettering visible when exposed to imaging radiation.
29. The implantable port of claim 22 , wherein said characteristic is one of suitability for power injection and suitability for contrast-enhanced imaging.
30. An implantable port, comprising:
a proximal mateable housing portion defining a first opening to an interior of the port;
a distal mateable housing portion defining a fluid reservoir capable of fluid communication with the first opening; and
a self-sealing septum sealing the first opening,
wherein a wall of the distal mateable housing portion includes a radiopaque insert, and
wherein the radiopaque insert is configured to identify an orientation of the port and a characteristic of the port when exposed to imaging radiation.
31. The implantable port of claim 30 , wherein the proximal and distal mateable housing portions are formed of a material transparent to imaging radiation.
32. The implantable port of claim 30 , wherein the radiopaque insert includes titanium.
33. The implantable port of claim 30 , wherein the mateable housing portions are attached to one another using one of an ultrasonic welding process, a snap-fit mechanism, and a solvent bond.
34. The implantable port of claim 30 , wherein the radiopaque insert includes a cutout portion allowing imaging radiation to pass therethrough in a pattern indicative of an orientation or a characteristic of the port not clearly visible after implantation into a living body.
35. The implantable port of claim 30 , wherein the radiopaque insert is molded into the wall of the distal mateable housing portion.
36. The implantable port of claim 30 , wherein a periphery of the radiopaque insert is shaped to define an identifying mark.
37. The implantable port of claim 30 , wherein the radiopaque insert includes lettering visible when imaged.
38. The implantable port of claim 30 , wherein said characteristic is one of suitability for power injection and suitability for contrast-enhanced imaging.
39. An implantable port, comprising:
proximal and distal mateable housing portions, the distal mateable housing including at least one wall defining a fluid reservoir and an underside of the port; and
a radiopaque insert molded into a wall of the distal mateable housing portion defining the underside of the port,
wherein the radiopaque insert includes at least one of lettering visible when imaged by exposure to imaging radiation and a cutout portion, and
wherein the radiopaque insert can be imaged to determine an orientation of the port and a physical characteristic of the port not clearly visible after implantation into a living body.
40. The implantable port of claim 39 , wherein the mateable housing portions exclusive of the radiopaque insert are formed of a material transparent to imaging radiation.
41. The implantable port of claim 39 , wherein the radiopaque insert includes titanium.
42. The implantable port of claim 39 , wherein a periphery of the radiopaque insert is shaped to define an identifying mark.
43. The implantable port of claim 39 , wherein the radiopaque insert includes lettering visible when imaged.
44. The implantable port of claim 39 , wherein the mateable housing portions are attached to one another using one of an ultrasonic welding process, a snap-fit mechanism, and a solvent bond.
45. The implantable port of claim 39 , wherein said characteristic is one of suitability for power injection and suitability for contrast-enhanced imaging.
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US13/290,249 US20120059250A1 (en) | 2008-09-09 | 2011-11-07 | Power Injectable Port Identification |
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US12/207,205 US8075536B2 (en) | 2008-09-09 | 2008-09-09 | Power injectable port identification |
US13/290,249 US20120059250A1 (en) | 2008-09-09 | 2011-11-07 | Power Injectable Port Identification |
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US12/207,205 Continuation US8075536B2 (en) | 2008-09-09 | 2008-09-09 | Power injectable port identification |
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US20120059250A1 true US20120059250A1 (en) | 2012-03-08 |
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US20090227951A1 (en) * | 2005-04-27 | 2009-09-10 | C. R. Bard, Inc | Assemblies for identifying a power injectable access port |
USD676955S1 (en) | 2010-12-30 | 2013-02-26 | C. R. Bard, Inc. | Implantable access port |
US8382724B2 (en) | 2005-03-04 | 2013-02-26 | C. R. Bard, Inc. | Systems and methods for radiographically identifying an access port |
US8382723B2 (en) | 2005-03-04 | 2013-02-26 | C. R. Bard, Inc. | Access port identification systems and methods |
USD682416S1 (en) | 2010-12-30 | 2013-05-14 | C. R. Bard, Inc. | Implantable access port |
US8608713B2 (en) | 1998-12-07 | 2013-12-17 | C. R. Bard, Inc. | Septum feature for identification of an access port |
US8641676B2 (en) | 2005-04-27 | 2014-02-04 | C. R. Bard, Inc. | Infusion apparatuses and methods of use |
US8932271B2 (en) | 2008-11-13 | 2015-01-13 | C. R. Bard, Inc. | Implantable medical devices including septum-based indicators |
WO2015053944A1 (en) * | 2013-10-08 | 2015-04-16 | Smiths Medical Asd, Inc. | Indicia bearing septums, metods of manufacturing the septums and portal therefor |
US9079004B2 (en) | 2009-11-17 | 2015-07-14 | C. R. Bard, Inc. | Overmolded access port including anchoring and identification features |
US9265912B2 (en) | 2006-11-08 | 2016-02-23 | C. R. Bard, Inc. | Indicia informative of characteristics of insertable medical devices |
US9474888B2 (en) | 2005-03-04 | 2016-10-25 | C. R. Bard, Inc. | Implantable access port including a sandwiched radiopaque insert |
US9579496B2 (en) | 2007-11-07 | 2017-02-28 | C. R. Bard, Inc. | Radiopaque and septum-based indicators for a multi-lumen implantable port |
US9603993B2 (en) | 2005-03-04 | 2017-03-28 | C. R. Bard, Inc. | Access port identification systems and methods |
US9642986B2 (en) | 2006-11-08 | 2017-05-09 | C. R. Bard, Inc. | Resource information key for an insertable medical device |
US9872666B2 (en) | 2013-03-14 | 2018-01-23 | Muffin Incorporated | Echogenic surface using reuleaux triangle |
US10307581B2 (en) | 2005-04-27 | 2019-06-04 | C. R. Bard, Inc. | Reinforced septum for an implantable medical device |
US11890443B2 (en) | 2008-11-13 | 2024-02-06 | C. R. Bard, Inc. | Implantable medical devices including septum-based indicators |
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US20100063451A1 (en) | 2010-03-11 |
EP2320974A1 (en) | 2011-05-18 |
US8075536B2 (en) | 2011-12-13 |
CA2736174A1 (en) | 2010-03-18 |
EP2320974A4 (en) | 2013-01-02 |
WO2010030351A1 (en) | 2010-03-18 |
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