Transluminal thrombectomy apparatus

Details Transluminal thrombectomy apparatus Transluminal thrombectomy apparatus

1996-03-18

1997-12-09

Buiz, Michael

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

604 22, A61B 1732

Patent

active

056955073

ABSTRACT:
The invention is an apparatus for breaking up a thrombus by introducing a tating core wire into the thrombus whereby the fibrin of the thrombus will be withdrawn from the thrombus into the rotating core wire, thereby breaking up the network of the thrombus which prevents blood flow. The apparatus includes a drive shaft housing which can be used to withdraw fluid from the area of the thrombus or to introduce medicines, such as streptokinase which will further break up the thrombus or other chemicals such as contrast agents for visualizing the vascular anatomy. The apparatus also includes a shaft housing which is provided with an expanded catheter funnel at the distal end and a venturi insert immediately proximal to the distal end. The apparatus further includes a prime mover which, in addition to rotating the drive shaft, allows for axial motion of the drive shaft relative to the drive shaft housing.

REFERENCES:
patent: 4994067 (1991-02-01), Summers
patent: 5078722 (1992-01-01), Stevens
patent: 5226909 (1993-07-01), Evans et al.
patent: 5300025 (1994-04-01), Wantink
patent: 5449372 (1995-09-01), Schmaltz et al.

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