Surgical apparatus permitting recharge of battery-driven surgical instrument in noncontact state
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United States of America Patent
Stats
-
Dec 23, 2003
Grant Date -
N/A
app pub date -
Jan 27, 2000
filing date -
Mar 5, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surgical instrument can be disinfected or sterilized, and has a rechargeable secondary battery incorporated therein. A distal treatment section of the surgical instrument is ultrasonically oscillated or otherwise activated using the secondary battery as a driving power source to perform surgery on a living tissue. Electromagnetic energy generated by an energy generation unit located outside the surgical instrument is received by a reception coil incorporated in the surgical instrument with the surgical instrument by induction from the energy generation unit. The electromagnetic energy is then converted into charging power with which the secondary battery is recharged. Thus, the surgical instrument can be readily recharged without compromising sterility.
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