Bent topless catheters

Details Bent topless catheters Bent topless catheters

1990-04-18

1991-09-03

Yasko, John D.

Surgery

Truss

Pad

604 96, 604280, 606194, A61M 2500

Patent

active

050443690

ABSTRACT:
A topless catheter, which can be used as either a guiding catheter for guiding balloon dilatation catheters into a body lumen, or as a diagnostic catheter for conducting radio opaque dyes into a predetermined body lumen or both is disclosed. The topless catheter comprises a cylindrical catheter shaft, integrally connected to an arcuate topless guilding finger. The guiding finger is adapted for placement proximate to, or partially within a predetermined blood vessel for subselective placement of a dilatation balloon catheter. By virtue of the manner in which the guiding finger is configured, blood flow through the more distal arteries is substantially unimpeded without detracting from the support and guidance features, found in conventional guiding catheters.

REFERENCES:
patent: 2862498 (1958-12-01), Weekes
patent: 4323071 (1982-04-01), Simpson et al.
patent: 4737153 (1988-04-01), Shimamura et al.
patent: 4808155 (1989-02-01), Mahurkar
patent: 4842589 (1989-06-01), Facht et al.

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