Biocompatible medical lead
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United States of America Patent
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Apr 21, 1998
Grant Date -
N/A
app pub date -
Jan 27, 1995
filing date -
Jan 27, 1995
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A medical lead having a lead body and a biocompatible cuff and especially suitable for use as a nerve electrode. In the preferred bipolar embodiment the lead body has two conductors running therethrough. The distal end is coupled to a pulse generator, the proximal end is coupled to the biocompatible cuff. The biocompatible cuff is cylindrical and is constructed from collagen. Preferably the collagen is multi-layer, i.e. the first portion is cross-linked to an amount greater than the second portion. Through such a construction the collagen promotes tissue ingrowth in the region proximate a nerve and does not permit tissue ingrowth in the region away from the nerve, e.g. the exterior of the cuff.
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