Perfusion dilatation catheter with expanded support coil

Details Perfusion dilatation catheter with expanded support coil Perfusion dilatation catheter with expanded support coil

1997-02-07

1999-04-06

Coggins, Wynn Wood

Surgery

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

Treating material introduced into or removed from body...

A61M 2900

Patent

active

058910905

ABSTRACT:
A balloon dilatation catheter having perfusion capabilities with an expanded helical support coil within the perfusion portion of the catheter shaft proximal to the balloon with the perfusion ports being defined by passageways through adjacent turns of the support coil. Elongated portions of an outer polymer jacket are removed, preferably by laser, to expose a plurality of turns of the support coil and define a number of perfusion ports between adjacent turns.

REFERENCES:
patent: 3938529 (1976-02-01), Gibbons
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patent: 5201723 (1993-04-01), Quinn
patent: 5279562 (1994-01-01), Sirhan et al.
patent: 5328472 (1994-07-01), Steinke et al.
patent: 5344402 (1994-09-01), Crocker
patent: 5383890 (1995-01-01), Miraki et al.
patent: 5542925 (1996-08-01), Orth
patent: 5554114 (1996-09-01), Wallace et al.
patent: 5573509 (1996-11-01), Thornton
patent: 5591129 (1997-01-01), Shoup et al.

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