Percutaneous vascular access device

• US 7,223,257 B2
• Filed: 08/31/2004
• Issued: 05/29/2007
• Est. Priority Date: 08/31/2004
• Status: Expired due to Fees

• Current Assignee: Elkana Elyav, Igor Shubayev
• Original Assignee: Elkana Elyav, Igor Shubayev
• Inventors: Shubayev, Igor, Elyav, Elkana
• Primary Examiner(s): Rodriguez; Cris
• Assistant Examiner(s): Smith; Paul
• Application Number:
  US10/931,942
• Publication Number:
  US 20060047249A1
• Time in Patent Office: 1,001 Days
• Field of Search: 604/6.1, 604/6.16, 604/7, 604/8, 604/19, 604/21, 604/27, 604/175, 604/246, 604/248, 623/1.1, 623/1.27, 251/343, 251/344
• US Class Current: 604/175
• CPC Class Codes: A61M 1/16 with membranes
• CPC Class Codes: A61M 1/3653 Interfaces between patient blood circulation and extra-corporal blood circuit
• CPC Class Codes: A61M 1/3655 Arterio-venous shunts or fistulae
• CPC Class Codes: A61M 1/3659 Cannulae pertaining to extracorporeal circulation
• CPC Class Codes: A61M 2039/0258 for vascular access, e.g. blood stream access
• CPC Class Codes: A61M 2039/0261 Means for anchoring port to the body, or ports having a special shape or being made of a specific material to allow easy implantation/integration in the body
• CPC Class Codes: A61M 2039/0264 with multiple inlets or multiple outlets
• 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 39/223 Multiway valves

Abstract

The present invention generally relates to the design and use of implantable medical devices, and in particular to the design and use of an implantable device for establishing long-term access to a patient'"'"'s blood circulation for extra corporeal treatment of blood, such as hemodialysis, hemofiltration, oxygenation of blood and other. A vascular access device is provided having a rotatable inner core positioned within a device body between first and second positions for diverting blood flow to an extra corporeal blood circuit.

Claims

1. An implantable vascular device comprising:

a hollow cylindrical device body having a pair of hollow nipples, extending from the exterior of the valve body and in fluid communication with the interior space of the device body, the device body further having a passageway between the exterior of the inner core and the interior of the device body;

rotatable cylindrical inner core positioned within the device body between a first positon and a second position, said inner core further including;

a single channel passing through the inner core that positions the opposed nipples in fluid communication with each other, when the inner core is in the first position;

a pair of openings;

a first pair of conduits within the inner core each in fluid communication with the pair first openings in the inner core, when the inner core is in the first position, the first pair of conduits being further defined as being in fluid communication between said pair of first openings and hollow nipples when the inner core is in the second position; and

a second pair of conduits within the inner core, each in communication with a second pair of openings within the inner core, the second pair of conduits also being joined in fluid communication by the passageway of the device body when the inner core is in the second position.

2. The implantable vascular device of claim 1, further comprising:

a hollow outer body surrounding the inner body, the outer body having grooves for engagement of the inner body and outer body in a hermetical seal.

3. The implantable vascular device of claim 1, wherein the opposed pair of nipples have a common centerline, and the inner body has internal protrusions to limit the rotation of the inner body between the first and second positions.

4. The implantable vascular device of claim 3, wherein the inner body is rotated 90°

between the first position and the second position.

5. The implantable vascular device of claim 2, further comprising:

an anchor located between the inner core and the outer body, the anchor having a central opening to allow fitting the anchor about the exterior of the inner body.

6. The implantable vascular device of claim 2, wherein the anchor is further defined as having a plurality of fenestrations adapted for tissue ingrowth.