Surgical pins
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United States of America Patent
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Apr 20, 1999
Grant Date -
N/A
app pub date -
Jun 14, 1996
filing date -
Jun 15, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pin for attaching a surgical membrane barrier to tissue structure of a patient comprises a pin body 1 formed from a sequence of four truncated cones which define a serrated profile which enables the pin to engage the membrane barrier and to be pushed-fitted into the tissue structure. The head portion 2 of the pin serves to engage the membrane barrier and retain it in position on the underlying tissue structure. The pin is made from a resorbable polymer, such as PDS Polydioxanone and is of substantially solid construction throughout. In an alternative embodiment, a circularly cylindrical extension is provided between the largest truncated cone and the pin head. The arrangement serves to maintain a spacing between the membrane barrier and the underlying tissue.
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