Recanalization apparatus and devices for use therein and method

Details Recanalization apparatus and devices for use therein and method Recanalization apparatus and devices for use therein and method

1997-11-14

1999-08-10

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604280, 604 49, 606194, A61M 2900

Patent

active

059351080

ABSTRACT:
Recanalization apparatus for crossing a stenosis forming a total occlusion in a lumen in a vessel formed by a vessel wall. The stenosis has a fibrous cap comprising a guiding sheath comprised of a flexible elongate tubular member having proximal and distal extremities. A lumen extends from the proximal extremity to the distal extremity. A hemostasis valve is mounted on the proximal extremity of the flexible elongate tubular member. A needle cannula is slidably mounted in the lumen of the guiding sheath and has proximal and distal extremities and has a lumen extending from the proximal extremity to the distal extremity. A sharpened tip is mounted on the distal extremity. The needle cannula has a length so that its proximal extremity extends beyond the proximal extremity of the guiding sheath when the sharpened tip is deployed beyond the distal extremity of the guiding sheath.

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