Self-centering mechanical medical device

Details Self-centering mechanical medical device Self-centering mechanical medical device

1991-06-11

1994-02-08

Pellegrino, Stephen C.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606170, A61B 1732

Patent

active

052844862

ABSTRACT:
The present invention provides a safe, reliable means of breaking down a thrombus with rotating blades into particles which are fine enough to be left in the vascular system without any significant risk of forming additional thrombi. The thrombectomy device also includes ports to ensure that the rotating blades of the device do not directly contact the walls of the vessel, but rather remain substantially centered within the vessel.

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Guenther, et al., "Aspiration Catheter for Percutaneous Thrombectomy; Clinical Results", vol. 175, Radiology No. 1: 271-273 Apr. 1991.
Bildsoe, et al., "Mechanical Clot Dissolution: New Concept", vol. 171 Radiology No. 1; 231-233; Apr. 1989.
Schmitz-Rode, et al., "Percutaneous Mechanical Thrombolysis, A Comparative Study of Various Rotational Catheter Systems", Investigative Radiology, Jun. 1991, vol. 26, pp. 557-563.
Yedlicka, Jr., et al., "Thrombectomy with the Transluminal Endarterectomy Catheter (TEC) System:Experimental Study and Case Report", J. Vascular and Interventional Rad. Aug. 1991, pp. 343-347.
Hawkins Jr., et al., "Mechanical Spiral Embolectomy Catheter", Seminars in Interventional Radiology, vol. 2, No. 4, Dec. 1985, pp. 414-418.
Ritchie, et al., "Thrombolysis: A New Rotational Thrombectomy Catheter and Evaluation by Angioscopy, International Symposium on Interventional Cardiology", Sep. 21-23, 1986, pp. 323-324.
Hansen, et al., "In Vivo Mechanical Thrombolysis in Subacute Canine Arterial Occlusion", Abstracts of the 58th Scientific Sessions, II-469, p. 300.
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