Integrated catheter system for balloon angioplasty and stent del

Details Integrated catheter system for balloon angioplasty and stent del Integrated catheter system for balloon angioplasty and stent del

1995-06-02

1997-06-17

Hafer, Robert A.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604104, 606108, 606194, A61M 2900

Patent

active

056392745

ABSTRACT:
This invention is directed to an integrated catheter system (60) including a stent catheter (65) and a balloon angioplasty catheter (20). The balloon angioplasty catheter (20) has an inflatable balloon (23) mounted near the catheter's distal end which is initially used for dilation of a vessel at a low balloon pressure to partially inflate the balloon (23). The stent catheter (65) contains a stent (15) within a stent containment cavity (69) and the stent (15) is displaced over the balloon (23). The stent (15) is held in place over the partially inflated balloon (23) and an outer tube (62) of the stent catheter (65) is pulled back. The stent (15) is deployed and the balloon (23) is reinflated to a higher pressure to embed the stent (15) into the wall of the vessel.

REFERENCES:
patent: 4955895 (1990-09-01), Sugiyama
patent: 4969890 (1990-11-01), Sugita et al.
patent: 5019090 (1991-05-01), Pinchuk
patent: 5092877 (1992-03-01), Pinchuk
patent: 5192297 (1993-03-01), Hull
patent: 5266073 (1993-11-01), Hall
patent: 5344426 (1994-09-01), Lau et al.
patent: 5456694 (1995-10-01), Marin et al.
patent: 5484444 (1996-01-01), Braunschweiler et al.
patent: 5507768 (1996-04-01), Lau et al.

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