Cardiovascular mechanically expanding catheter
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United States of America Patent
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Jan 5, 1999
Issued Date -
N/A
app pub date -
May 22, 1997
filing date -
Feb 21, 1997
priority date (Note) -
Expired
status (Latency Note)
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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.
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