Electrode for a heart stimulating apparatus having a retractable biological screw
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United States of America Patent
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-
Sep 5, 1995
Grant Date -
N/A
app pub date -
Sep 30, 1993
filing date -
Oct 1, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The electrode comprises a hollow body (10, 110), an inner mechanical screw (30, 130) cooperative with an internal screw thread (32, 132) provided inside the body, and a corkscrew member (66, 166) connected at one of its ends to the mechanical screw, the other end, of helical shape, being adapted to penetrate the fibrous tissues of the heart by rotation. The mechanical screw (30, 130) is provided with a groove (34, 134) disposed in the proximal part of the screw thread of the mechanical screw for defining a neutral position of the mechanical screw.
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