Porous synthetic vascular grafts with oriented ingrowth...

Details Porous synthetic vascular grafts with oriented ingrowth... Porous synthetic vascular grafts with oriented ingrowth...

2006-04-25

2006-04-25

Bui, Vy Q. (Department: 3731)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Having pores

C623S001440

Reexamination Certificate

active

07033388

ABSTRACT:
A vascular prosthesis is constructed from a structure having interconnected, helically oriented channel-porosity to allow oriented ingrowth of connective tissue into a wall of the prosthesis. The prosthesis can have a small internal diameter of 6 mm or less. Several different methods can be used to produce the prosthesis, including a fiber winding and extraction technique, a melt extrusion technique, and a particle and fiber extraction technique using either a layered method or a continuous method. Furthermore, mechanical properties of the prosthesis are matched with mechanical properties of the host vessel, thereby overcoming problems of compliance mismatch.

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