Stent deployment device with two balloons

Details Stent deployment device with two balloons Stent deployment device with two balloons

1997-09-11

1999-11-09

Buiz, Michael

Surgery

Instruments

Means for inserting or removing conduit within body

604101, A61F 1100

Patent

active

059805315

ABSTRACT:
A stent delivery device having a pair of balloons at a proximal end of a catheter and having separate lumens for selectively inflating the respective balloons. The outer balloon is relatively compliant and the inner balloon is relatively non-compliant. A central lumen is provided for a guide wire. A stent is carried by the delivery device within an axially retractable sheath at the distal end of the catheter and is deployed by retraction of the sheath and inflation of the compliant balloon, and the stent is subsequently expanded by inflation of the non-compliant balloon.

REFERENCES:
patent: 4423725 (1984-01-01), Baran
patent: 4744366 (1988-05-01), Jang
patent: 4906244 (1990-03-01), Pinchuk
patent: 4955895 (1990-09-01), Sugiyama
patent: 5270086 (1993-12-01), Hamlin
patent: 5505699 (1996-04-01), Forman et al.
patent: 5536252 (1996-07-01), Imran
U.S. application No. 08/916,610, Di Capri et al., filed Aug. 22, 1997.

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