Catheter port assembly for extracorporeal treatment

• US 20060271012A1
• Filed: 05/27/2005
• Published: 11/30/2006
• Est. Priority Date: 05/27/2005
• Status: Active Grant

• Current Assignee: Medical Components, Inc.
• Original Assignee: Medical Components, Inc.
• Inventors: Stephens, John, Canaud, Bernard
• Granted Patent: US 7,794,422 B2
• Time in Patent Office: Days
• US Class Current: 604/500
• CPC Class Codes: A61M 1/3661 for haemodialysis
• CPC Class Codes: A61M 39/02 Access sites
• CPC Class Codes: A61M 39/0247 Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body peritoneal dialysis catheters A61M1/285; tracheostomy devices A61M16/0465; measuring pressure within the body A61B5/03; colostomy devices A61F5/445; gastrotomy feeding tubes A61J15/0015; means for fixing a feeding tube outside of the body A61J15/0053
• CPC Class Codes: A61M 39/24 Check- or non-return valves
• CPC Class Codes: A61M 5/1415 Stands, brackets or the like for supporting infusion accessories

Abstract

A catheter port assembly (100) having a body (101) having a distal end (110), a proximal end (120) and a longitudinal channel (116,124,136) extending therethrough is disclosed. The catheter port assembly further comprises a valve (150) disposed along the longitudinal channel. The valve (150) is adapted to restrict flow in at least one direction, and the distal end (110) is adapted to be connected to a catheter (200). The distal end (110) is adapted to be at least partially subcutaneously inserted into a patient after being connected to a catheter, and the proximal end (120) is adapted to be connected to an extracorporeal device. A distal cover (170) is disclosed to assure the connection of the port to the distal end of the catheter. Additionally, a bracket (190) is disclosed that stabilizes a plurality of catheter port assemblies after insertion into a patient. The present invention also discloses a method of inserting a catheter assembly comprising including the catheter port assembly.

Claims

1. A catheter port assembly comprising:

a catheter; and

a port body having a distal end, a proximal end and a longitudinal channel extending therethrough between the distal end and proximal end;

the port body further comprising a valve disposed along the longitudinal channel;

wherein the valve is adapted to restrict flow in at least one direction;

wherein the distal end is adapted to be connected to a catheter,

wherein the distal end is further adapted to be at least partially subcutaneously inserted into a patient after being connected to the catheter, and

wherein the proximal end is adapted to be connected to an extracorporeal device.

2. The catheter port assembly according to claim 1, wherein the distal end further comprises a cover adapted to further connect the catheter to the distal end.

3. The catheter port assembly according to claim 2, wherein the distal cover is conical.

4. The catheter port assembly according to claim 2, the distal cover further comprising at least one retaining ridge.

5. The catheter port assembly according to claim 2, wherein the distal cover is sized to at least partially fit within an exit site of a subcutaneous tunnel.

6. The catheter port assembly according to claim 1, wherein the proximal end comprises a luer connection.

7. The catheter port assembly according to claim 1, wherein the catheter is further connected to the distal end by a suture.

8. The catheter port assembly according to claim 1, wherein the distal end further comprises at least one barb.

9. A catheter port assembly comprising:

a catheter;

a tubular body having a first end, a second end, a center portion and a longitudinal passageway extending between the first end and the second end;

a valve disposed along the longitudinal passageway;

wherein the second end of the assembly comprises at least one barb adapted to be inserted within a catheter lumen, thereby engaging the catheter lumen;

wherein the center portion is wider than the catheter lumen;

wherein the second end further comprises a distal cover adapted to further engage the catheter lumen with the second end and provide a transition between the catheter lumen and the center portion; and

wherein the second end is adapted to be partially subcutaneously inserted into a patient at a subcutaneous tunnel.

10. The catheter port assembly according to claim 9, wherein the assembly is adapted to plug an exit site of the subcutaneous tunnel.

11. The catheter port assembly according to claim 9, the distal cover further comprising at least one retaining ridge.

12. A method of inserting a catheter port assembly comprising:

providing;

a catheter having at least one lumen, the at least one lumen comprising at least one distal end and at least one proximal end;

a trocar having a distal end and a proximal end;

a suture having a first end and a second end; and

a port assembly comprising a body, having a distal end and a valve, and a distal cover;

inserting the distal end of the at least one lumen into a vessel of a patient;

connecting the proximal end of the at least one lumen and the first end of the suture, to the distal end of the trocar,

tunneling the trocar, the proximal end of the at least one lumen and the first end of the suture through the flesh of the patient to an exit site;

pulling the proximal end of the at least one lumen and the first end of the suture at least partially through the exit site;

attaching the proximal end of the at least one lumen and the first end of the suture to the distal end of the body; and

pulling the second end of the suture until at least a portion of the assembly is disposed within the patient.

13. The method of claim 12, further comprising securing the second end of the suture within the patient.

14. The method of claim 12, further comprising attaching the distal cover after attaching the proximal end of the at least one lumen and the first end of the suture to the distal end of the body.

15. The method of claim 12, further comprising providing at least two of each tool, piece of equipment and accessory used in the method and performing the method twice using a first iteration and a second iteration.

16. The method of claim 15, further comprising securing the second end of the suture in the first iteration to the second end of the suture in the second iteration.

17. A connection cover for a catheter-to-port connection, comprising:

a cover body having a distal end and a proximal end, and the body being sized and shaped to at least partially fit within an exit site of a subcutaneous tunnel;

a passageway extending through the body from the distal end to the proximal end, where the passageway is sized to receive therethrough a proximal end of a catheter, and where the proximal end of the passageway is sized and shaped to receive thereinto a distal end portion of a catheter port assembly; and

the passageway is so sized as to compressively engage the catheter lumen wall after the catheter lumen wall has been enlarged by being force fit over the distal end portion of the catheter port assembly, all to provide an assured connection between the catheter and the port.

18. The connection cover of claim 17 wherein the cover body is conical.

19. The connection cover of claim 17 wherein the distal end has at least one retaining ridge and a rounded indentation proximally thereof to retain the connection at least partially within a respective subcutaneous tunnel.

20. The connection cover of claim 17 wherein the proximal end portion of the passageway is adapted to frictionally engage a corresponding enlargement of the distal end portion of the catheter port assembly.

21. A bracket for a plurality of catheter port connections, comprising:

a bracket body to be disposed transversely of a plurality of catheter port assemblies and having therethrough an opening associated with each catheter port assembly, where each said opening is sized and dimensioned to complementarily receive therethrough a respective proximal portion of a catheter port body after the plurality of catheter port assemblies have been inserted into a patient, to stabilize the plurality of catheter port assemblies against movement.

22. The bracket of claim 21, wherein a proximal end portion of each opening is sized and dimensioned to frictionally engage a corresponding outer surface of a proximal portion of the catheter port body.

23. The bracket of claim 22, wherein the proximal end portion of each opening comprises flat surfaces frictionally engageable with corresponding flat surfaces of the proximal end portion of a respective catheter port assembly.

24. The bracket of claim 22, wherein a distal end portion of each opening is dimensioned to receive thereinto a larger portion of the catheter port body distally of the corresponding proximal portion thereof

25. The bracket of claim 21, wherein the bracket body comprises upper and lower portions connected at one side by a hinge and defining each opening therebetween, and include complementary clasp sections at an opposite side in order to be latched together about respective ones of a plurality of catheter port assemblies.

26. The bracket of claim 21, wherein the bracket body comprises upper and lower portions that are integrally joined to each other in order to surround each opening.

27. The bracket of claim 21, wherein the bracket comprises a pair of initially separate upper and lower body portions having complementary side portions to self-engage upon urging the upper and lower body portions together about the plurality of catheter port assemblies, and where the upper and lower body portions are disengageable from each other.

28. The bracket of claim 27, wherein the complementary side portions of the upper and lower body portions comprise tang-and-clip structures.