05250071 is referenced by 482 patents and cites 9 patents.

This invention is a surgical instrument and specifically is a device for delivering an embolic coil to a selected site within the vasculature of a human body via use of a catheter. In particular, the device uses embolic coils having interlocking clasps on the coils which are secured to each other by a control wire within the catheter. Retraction of the control wire into the catheter body uncouples the distal coil.

Title
Detachable embolic coil assembly using interlocking clasps and method of use
Application Number
7/949094
Publication Number
5250071
Application Date
September 22, 1992
Publication Date
October 5, 1993
Inventor
Thomas J Palermo
San Jose
CA, US
Agent
Morrison & Foerster
Assignee
Target Therapeutics
CA, US
IPC
A61M 29/00
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