Probe for an implantable medical device
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United States of America Patent
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-
Sep 1, 1998
Grant Date -
N/A
app pub date -
Dec 20, 1996
filing date -
Dec 29, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A probe for an implanted medical device, more particularly for a cardiac pacemaker. The probe (10) has at its extremity a cylindrical body (14) supporting one or more electrodes (18) and a means of anchorage (34) extending radially around the exterior. A deformable sleeve (24), made of a supple material, covers the cylindrical body and supports the anchorage means. The sleeve has one end (or part) (26) attached to the body at the distal extremity of the probe, and one part (28) that is free or unconnected to the body spreading proximally in relation to the attached part and supporting the anchorage means. The free part is essentially applied in a separable manner against the body on the aforementioned distal region. The material of the sleeve is chosen to permit a reversal of the sleeve, that is turning the sleeve inside-out, in response to a force (40) axially exerted in the distal direction on the anchorage means, such that the sleeve in the inside-out position has the free part with the anchoring means turned radially to the interior, and extends distally in relation to the attached part. The probe distal extremity thus has a low profile for easy explantation.
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