Blunt tipped ultrasonic trocar
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United States of America Patent
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Sep 12, 1995
Grant Date -
N/A
app pub date -
May 12, 1993
filing date -
May 12, 1993
priority date (Note) -
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Abstract
A blunt tipped trocar which uses ultrasonic energy in the form of vibrations to assist a user in penetrating tissue. In one embodiment of the invention, a feedback mechanism is provided which senses a variation in load on the trocar tip and adjusts the ultrasonic energy level of the vibrating tip in accordance with the load condition. Another embodiment of the invention provides a trocar with a self-contained ultrasonic generator.
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Cited Art Landscape
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