Surgery – Instruments – Blood vessel – duct or teat cutter – scrapper or abrader
Patent
1997-03-31
1998-06-30
Buiz, Michael
Surgery
Instruments
Blood vessel, duct or teat cutter, scrapper or abrader
606194, 604 96, 604 53, A61B 1722
Patent
active
057726744
ABSTRACT:
A thrombectomy catheter includes a delivery catheter and a receiving catheter, both having balloons at their distal ends. The balloons are made of a material which, when inflated, assumes the shape of a receptacle. The thrombectomy catheter is inserted, as a unit, into a vessel, and advanced to the vicinity of a clot. Then, the delivery catheter is advanced, while the receiving catheter remains fixed, until the balloons of the two catheters are disposed on opposite sides of the clot. The balloons are inflated to occupy substantially the entire cross-section of the vessel, and the delivery catheter is withdrawn, causing its balloon to draw the clot into the receiving catheter. The clot therefore becomes encased between the balloons. The balloons are partially deflated, and the catheters are withdrawn as a unit, bringing with them the encased clot material.
REFERENCES:
patent: 4794928 (1989-01-01), Kletschka
patent: 4911163 (1990-03-01), Fina
patent: 5011488 (1991-04-01), Ginsburg
patent: 5092839 (1992-03-01), Kipperman
patent: 5102415 (1992-04-01), Guenther et al.
patent: 5192268 (1993-03-01), Shiber
patent: 5366463 (1994-11-01), Ryan
Buiz Michael
Eilberg William H.
Reip David O.
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