Double-lumen angioscopy catheter

Details Double-lumen angioscopy catheter Double-lumen angioscopy catheter

1992-09-01

1994-03-08

Yasko, John D.

Surgery

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

Material introduced into and removed from body through...

604283, 128 6, A61M 300

Patent

active

052923053

ABSTRACT:
A double-lumen angioscopy catheter is provided which includes separate passageways for a guidewire and for an optic fiber bundle, which passageways are joined into a single tubular component for the portion of the catheter which enters the body. The passageways are separated from each other at the location external of the body whereby each of the guidewire and the optic fiber bundle can be inserted and removed in separate stages. An assembly can also be provided for passing flushing liquid through either or both of the passageways. The guidewire can be used to maneuver the distal end of the optic fiber bundle so as to accomplish controlled inspection within the body vessel. The angioscopy catheter facilitates a procedure whereby a single guidewire is inserted and remains in place throughout use of the angioscopy catheter, whether during pretreatment or posttreatment inspection. The same guidewire likewise remains in place and functions as a guidewire for a treatment catheter such as a percutaneous transluminal coronary angioplasty catheter.

REFERENCES:
patent: 3757768 (1973-09-01), Kline
patent: 4424833 (1984-01-01), Spector et al.
patent: 4619643 (1986-10-01), Bai
patent: 4682978 (1987-07-01), Martin
patent: 4736733 (1988-04-01), Adair
patent: 4895561 (1990-01-01), Mahurkar
patent: 5040548 (1991-08-01), Yock
patent: 5059170 (1991-10-01), Cameron

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