Septum Feature for Identification of an Access Port

• US 20120226244A1
• Filed: 05/14/2012
• Published: 09/06/2012
• Est. Priority Date: 12/07/1998
• Status: Active Grant

• Current Assignee: Bard Peripheral Vascular Incorporated (Becton, Dickinson & Co)
• Original Assignee: C.R. Bard, Inc. (Becton, Dickinson & Co)
• Inventors: Beasley, Jim C., Burnside, Eddie K., Gerondale, Jay, Tallarida, Steven, Powers, Kelly B.
• Granted Patent: US 8,608,713 B2
• Time in Patent Office: Days
• US Class Current: 604/288.01
• CPC Class Codes: A61M 2039/0045 Radiopaque indicia
• CPC Class Codes: A61M 2039/0238 having means for locating the implanted device to insure proper injection, e.g. radio-emitter, protuberances, radio-opaque markers
• CPC Class Codes: A61M 2205/32 with radio-opaque indicia
• CPC Class Codes: A61M 2205/582 by tactile feedback
• CPC Class Codes: A61M 39/0208 Subcutaneous access sites for injecting or removing fluids transcutaneous access sites A61M39/0247; implantable infusion devices A61M5/14276
• CPC Class Codes: A61M 39/04 having pierceable self-sealing members

Abstract

An access port for providing subcutaneous access to a patient, and a method of identifying a subcutaneously implanted access port. The access port includes a body capturing a septum that covers a cavity defined by the body, and a pattern of protrusions extending from an outer surface of the septum away from the cavity, the pattern of protrusions detectable through palpation to indentify the access port as a power-injectable port.

Claims

1. An access port for providing subcutaneous access to a patient, comprising:

a body capturing a septum that covers a cavity defined by the body; and

a pattern of protrusions extending from an outer surface of the septum away from the cavity, the pattern of protrusions detectable through palpation to indentify the access port as a power-injectable port.

2. The access port according to claim 1, wherein the pattern of protrusions comprises three substantially identical protrusions.

3. The access port according to claim 2, wherein the three substantially identical protrusions are positioned substantially equidistantly from a central axis of the septum in a triangular pattern.

4. The access port according to claim 1, wherein the pattern of protrusions comprises protrusions that are elongated and extend linearly or arcuately.

5. The access port according to claim 4, wherein the elongated protrusions form a plurality of substantially linear ridges.

6. The access port according to claim 5, wherein the substantially linear ridges are parallel to each other.

7. The access port according to claim 6, wherein the parallel substantially linear ridges are formed equidistant from a central axis.

8. The access port according to claim 4, wherein the elongated protrusions intersect substantially near the center of the septum and extend at least partially toward a periphery thereof.

9. The access port according to claim 8, wherein the elongated protrusions extend to the periphery of the septum.

10. The access port according to claim 4, wherein the elongated protrusions form a pattern of intersecting lines.

11. The access port according to claim 1, wherein the protrusions comprise frustoconical circumferential sides and a flat top surface.

12. The access port according to claim 1, further comprising at least one recess extending into the outer surface of the septum.

13. The access port according to claim 12, further comprising three recesses extending into the outer surface of the septum positioned substantially equidistant from the central axis of the septum.

14. The access port according to claim 1, further comprising a plurality of recesses on the outer surface of the septum extending into the septum.

15. The access port according to claim 14, wherein the plurality of recesses and the pattern of projections are positioned equidistant from an axis of the access port, such that an elongated recess is separated from an adjacent elongated recess by a projection.

16. The access port according to claim 15, wherein the recesses and the projections are curved to create a generally circular pattern.

17. The access port according to claim 1, wherein each of the protrusions includes a surface remote from the outer surface of the septum that is rounded.

18. The access port according to claim 1, wherein a side periphery of the access port is generally triangular.

19. A method of identifying a subcutaneously implanted access port, comprising:

providing an access port including a septum having a pattern of protrusions extending from an outer surface thereof, the pattern of protrusions detectable through palpation to identify the access port as a power-injectable port;

detecting the protrusions through palpation; and

identifying the access port as a power-injectable port.