Subcutaneous port catheter system and associated method

• US 7,008,412 B2
• Filed: 12/04/2001
• Issued: 03/07/2006
• Est. Priority Date: 01/06/1998
• Status: Expired due to Fees

• Current Assignee: Maginot Catheter Technologies, Inc.
• Original Assignee: Cathlogic, Inc.
• Inventors: Maginot, Thomas J.
• Primary Examiner(s): Lucchesi, Nicholas D.
• Assistant Examiner(s): Thompson, Michael M.
• Application Number:
  US10/007,679
• Publication Number:
  US 20020107475A1
• Time in Patent Office: 1,554 Days
• Field of Search: 604 6- 16, 604/28, 604/29, 604/43, 604/891.1, 604/93.01, 604/94.01, 604/500, 604/506, 604/508, 604/510, 604/158, 604/523, 60416401-16402, 604/164.08, 604/164.09, 60416501-16502, 60416701-16706, 604/171, 604/174, 604/175, 604/198, 604/264, 604/265, 604/266, 604/269, 604/890.1, 604533-535
• US Class Current: 604/523
• CPC Class Codes: A61M 1/16 with membranes
• CPC Class Codes: A61M 2025/0031 characterized by lumina for withdrawing or delivering, i.e. used for extracorporeal circuit treatment
• CPC Class Codes: A61M 2025/0037 characterized by lumina being arranged side-by-side
• CPC Class Codes: A61M 2025/0293 Catheter, guide wire or the like with means for holding, centering, anchoring or frictionally engaging the device within an artificial lumen, e.g. tube natural lumen, e.g. vessels A61M25/04
• CPC Class Codes: A61M 2039/0264 with multiple inlets or multiple outlets
• CPC Class Codes: A61M 2039/0273 for introducing catheters into the body
• CPC Class Codes: A61M 2039/0288 protectors, caps or covers therefor
• CPC Class Codes: A61M 25/0028 characterized by features relating to at least one lumen located at the proximal part of the catheter, e.g. alterations in lumen shape or valves catheter hubs A61M25/0097
• CPC Class Codes: A61M 25/0029 characterized by features relating to least one lumen located at the middle part of the catheter, e.g. slots, flaps, valves, cuffs, apertures, notches, grooves or rapid exchange ports catheter shaft surface irregularities A61M2025/006
• CPC Class Codes: A61M 25/0043 characterised by structural features
• 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

Abstract

A subcutaneous port catheter system includes a reservoir defining a chamber therein. The catheter system also includes a guide catheter attached to the reservoir. The guide catheter has a guide lumen and a distal guide orifice. The catheter system further includes an inner catheter attached to the reservoir. The inner catheter is positioned within the guide lumen and extends through the distal guide orifice. A method of advancing fluid into a blood vessel of a body of a patient is also disclosed.

Claims

1. A subcutaneous port catheter system, comprising:

a reservoir defining a chamber therein;

a guide catheter having a guide lumen and a distal guide orifice; and

an inner catheter positioned within said guide lumen and extending through said distal guide orifice,

wherein said reservoir has a first coupling configured to removably connect said guide catheter to said reservoir, and

wherein said reservoir further has a second coupling configured to removably connect said inner catheter to said reservoir.

2. The subcutaneous port catheter system of claim 1, wherein said reservoir includes a septum configured to be traversed by a needle.

3. The subcutaneous port catheter system of claim 1, wherein said guide catheter includes a valve positioned adjacent to said distal guide orifice.

4. The subcutaneous port catheter system of claim 1, wherein said reservoir is fluid communication with said inner catheter.

5. The subcutaneous port catheter system of claim 1,

said first coupling is configured to form a first friction fit connection between said guide catheter to said reservoir, and

said second coupling is configured to form a second friction fit connection between said inner catheter to said reservoir.

6. The subcutaneous port catheter system of claim 1, wherein said proximal end of said guide catheter is spaced apart from said proximal end of said inner catheter when both said guide catheter and said inner catheter are connected to said reservoir.

7. A subcutaneous port catheter system, comprising:

a reservoir defining a chamber therein;

a guide catheter attached to said reservoir, said guide catheter having a guide lumen and a distal guide orifice; and

an inner catheter attached to said reservoir, said inner catheter being positioned within said guide lumen and extending through said distal guide orifice,

wherein said reservoir includes an attachment cannula which is in fluid communication with said chamber,

wherein said attachment cannula includes an increased diameter portion and a reduced diameter portion,

wherein said guide catheter is attached to said increased diameter portion, and

wherein said inner catheter is attached to said reduced diameter portion.

8. The subcutaneous port catheter system of claim 7, wherein said reservoir includes a septum configured to be traversed by a needle.

9. The subcutaneous port catheter system of claim 7, wherein said guide catheter includes a valve positioned adjacent to said distal guide orifice.

10. The subcutaneous port catheter system of claim 7, wherein:

each of said increased diameter portion and said reduced diameter portion possesses a ribbed outer surface,

said guide catheter is removably attached to said ribbed outer surface of said increased diameter portion in a friction fit manner, and

said inner catheter is removably attached to said ribbed outer surface of said reduced diameter portion in a friction fit manner.

11. The subcutaneous port catheter system of claim 7, wherein:

said reservoir is fluid communication with said inner catheter.

12. A subcutaneous port catheter system, comprising:

a reservoir having a septum and defining a chamber;

an inner catheter which is in fluid communication with said chamber; and

a guide catheter having a guide lumen, said inner catheter being at least partially positioned within said guide lumens,

wherein said reservoir has a first coupling configured to removably connect said guide catheter to said reservoir, and

wherein said reservoir further has a second coupling configured to removably connect said inner catheter to said reservoir.

13. The subcutaneous port catheter system of claim 12, wherein:

said guide catheter has a distal guide orifice, and

said inner catheter extends through said distal guide orifice.

14. The subcutaneous port catheter system of claim 13,

said inner catheter has a distal opening, and

said distal opening is positioned outside of said guide catheter.

15. The subcutaneous port catheter system of claim 12, wherein said guide catheter includes a valve positioned adjacent to said distal guide orifice.

16. The subcutaneous port catheter system of claim 12, wherein:

said first coupling is configured to form a first friction fit connection between said guide catheter to said reservoir, and

said second coupling is configured to form a second friction fit connection between said inner catheter to said reservoir.

17. The subcutaneous port catheter system of claim 12, wherein said proximal end of said guide catheter is spaced apart from said proximal end of said inner catheter when both said guide catheter and said inner catheter are connected to said reservoir.

18. A subcutaneous port catheter system, comprising:

a reservoir having a septum and defining a chamber;

an inner catheter which is in fluid communication with said chamber; and

a guide catheter having a guide lumen, said inner catheter being at least partially positioned within said guide lumen,

wherein said reservoir includes an attachment cannula which is in fluid communication with said chamber,

wherein said attachment cannula includes an increased diameter portion and a reduced diameter portion,

wherein said guide catheter is attached to said increased diameter portion, and

wherein said inner catheter is attached to said reduced diameter portion.

19. The subcutaneous port catheter system of claim 18, wherein:

said guide catheter has a distal guide orifice, and

said inner catheter extends through said distal guide orifice.

20. The subcutaneous port catheter system of claim 19, wherein:

said inner catheter has a distal opening, and

said distal opening is positioned outside of said guide catheter.

21. The subcutaneous port catheter system of claim 18, wherein said guide catheter includes a valve positioned adjacent to said distal guide orifice.

22. The subcutaneous port catheter system of claim 18, wherein:

each of said increased diameter portion and said reduced diameter portion possesses a ribbed outer surface,

said guide catheter is removably attached to said ribbed outer surface of said increased diameter portion in a friction fit manner, and

said inner catheter is removably attached to said ribbed outer surface of said reduced diameter portion in a friction fit manner.