Device and method to check the tension of a suture during a surgical operation
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United States of America Patent
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-
Jul 30, 1991
Grant Date -
N/A
app pub date -
Dec 15, 1989
filing date -
Dec 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention concerns a device to check the tension of a suture during a surgical operation. A forceps comprises two jaws which can pivot on one another around an axis to tighten a suture and it can pivot around another axis almost perpendicular to the first. A spring whose force can be adjusted maintains it in one position in which it can be used as a conventional forceps, but if the pulling force applied to the suture exceeds a predetermined limit in a defined direction, the forceps pivot. According to another design, a piezoelectric element of a stress gauge is used to emit an information signal when the selected limit tension is exceeded.
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