Cardiovascular mechanically expanding catheter

Details Cardiovascular mechanically expanding catheter Cardiovascular mechanically expanding catheter

1997-05-22

1999-01-05

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

606198, A61M 2900

Patent

active

058555650

ABSTRACT:
A cardiovascular mechanically expanding catheter apparatus in accordance with the invention generally includes a catheter having a mechanically expanding mechanism on a distal end thereof for dilating vessels such as arteries and other endoluminal structures and for the deployment of intraluminal stents. A permeable, mechanical dilating mechanism includes a pair of expanders which provide a radial force against walls of the vessel in response to a pulling or contracting longitudinal force on the dilating mechanism, by means of a cable for example. A set of adjacent quadrates are preferably provided for promoting uniformity of pressure by the expanders. An elastomer sleeve may be provided for protecting the vessel during the surgical procedure.

REFERENCES:
patent: 5263963 (1993-11-01), Garrison et al.
patent: 5358496 (1994-10-01), Ortiz et al.
patent: 5405380 (1995-04-01), Gianotti et al.
patent: 5456667 (1995-10-01), Ham et al.
Electroactive Muscle Actuators (EMA) JPL New Tech Rpt; Bar-Cohen et al Aug. 22, 1996.
Multi-Finger Electroactive Polymer Gripper (MEPG) JPL Inventor's Rpt Jan. 17, 1997.

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