Implantable hemodialysis access device

• US 20060058744A1
• Filed: 11/08/2005
• Published: 03/16/2006
• Est. Priority Date: 04/26/2000
• Status: Active Grant

• Current Assignee: Versago Vascular Access, Inc.
• Original Assignee: Std Med, Inc.
• Inventors: Tallarida, Steven J., Ettlinger, Mark
• Granted Patent: US 7,803,143 B2
• Time in Patent Office: Days
• US Class Current: 604/288.40
• CPC Class Codes: A61M 2039/0072 Means for increasing tightness of the septum, e.g. compression rings, special materials, special constructions
• CPC Class Codes: A61M 2039/0211 with multiple chambers in a single site
• CPC Class Codes: A61M 2039/0223 having means for anchoring the subcutaneous access site
• CPC Class Codes: A61M 2039/0226 having means for protecting the interior of the access site from damage due to the insertion of a needle
• CPC Class Codes: A61M 2039/0232 having means for facilitating the insertion into the body
• 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 2205/582 by tactile feedback
• CPC Class Codes: A61M 2205/583 by visual feedback
• CPC Class Codes: A61M 2205/60 with identification means
• CPC Class Codes: A61M 2205/6036 characterised by physical shape, e.g. array of activating switches
• CPC Class Codes: A61M 39/0208 Subcutaneous access sites for injecting or removing fluids transcutaneous access sites A61M39/0247; implantable infusion devices A61M5/14276

Abstract

A implantable hemodialysis port including a housing and a septum. The housing is formed from a flexible material and includes a plurality of chambers. The chambers are fluidly interconnected with one another by integrated outlet passageways. Each of the chambers include a sidewall portion and a funnel portion tapering from the sidewall portion. The septum encloses each of the chambers.

Claims

1. An implantable access port comprising;

a housing defining a plurality of chambers, each of said plurality of chambers comprising an integrated outlet passageway, said plurality of chambers being fluidly interconnected with one another via said integrated outlet passageways; and

a septum for enclosing each of said chambers.

2. An implantable access port according to claim 1, wherein each of said plurality of chambers comprise a sidewall and a funnel portion tapering away from said sidewall.

3. An implantable access port according to claim 1, wherein said housing comprises a flexible material.

4. An implantable access port according to claim 1, further comprising a single outlet tube coupled to each of said chambers.

5. An implantable access port according to claim 1, wherein each of said plurality of chambers comprise an insert covering at least a portion of a bottom of each of said chambers.

6. An implantable access port according to claim 1, wherein said plurality of chambers are consecutively interconnected.

7. An implantable access port comprising;

a housing defining a plurality of chambers, said chambers fluidly interconnected with one another by integrated outlet passageways, each of said chambers comprising a sidewall portion and a funnel portion tapering from said sidewall portion; and

a septum for enclosing each of said chambers.

8. An implantable access port according to claim 7, wherein said integrated outlet passageways connect to a single outlet tube.

9. An implantable access port according to claim 7, further comprising an insert covering at least a portion of each of said funnel portions.

10. An implantable access port according to claim 7, wherein said housing comprises a flexible material.

11. An implantable access port according to claim 7, wherein said plurality of chambers are consecutively interconnected.

12. A method for performing hemodialysis comprising:

inserting an access port comprising a housing defining a plurality of fluidly interconnected chambers and a septum enclosing each of said chambers under the skin of a patient;

inserting a needle into one of said chambers of said access port; and

inserting a cannula into said port.

13. A method according to claim 12, wherein inserting said needle into one of said chambers comprises inserting a needle and a sheath through the skin of the patient, said method further comprising removing said needle from said sheath, leaving said sheath in said port.

14. A method according to claim 13, wherein inserting said cannula comprises inserting a cannula and obturator into said sheath and drawing blood from said port via said cannula.

15. A method according to claim 14, further comprising removing said cannula and obturator and said sheath form said port.

16. A method according to claim 12, further comprising inserting a guide wire through said needle and into said port and removing said needle from said port.

17. A method according to claim 16, wherein inserting said cannula comprises inserting said cannula over said guide wire and into said port.

18. A method according to claim 17, wherein said cannula comprises an introducer.