Angioplasty autoperfusion catheter flow measurement method and a

Details Angioplasty autoperfusion catheter flow measurement method and a Angioplasty autoperfusion catheter flow measurement method and a

1989-04-26

1991-09-10

Jaworski, Francis

Surgery

Truss

Pad

606194, 12866206, 604 96, 604102, A61B 502, A61B 806, A61M 2500

Patent

active

050465031

ABSTRACT:
An angioplasty autoperfusion catheter flow measurement apparatus includes a balloon catheter having an autoperfusion lumen incorporated therein which is acoustically in communication with a flow velocity measuring system. The flow measuring system may include a Doppler transducer, usually a section of piezoelectric material, located adjacent to the autoperfusion lumen and connected to an external activating and measuring device that indicates the velocity of the blood flowing through the autoperfusion lumen at a remote location outside the patient's body.

REFERENCES:
patent: 4665925 (1987-05-01), Millar
patent: 4852580 (1989-08-01), Wood
patent: 4873989 (1989-10-01), Einzig
patent: 4877031 (1989-10-01), Conway et al.
patent: 4889128 (1989-12-01), Millar
patent: 4944745 (1990-07-01), Sogand et al.

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