Battery-powered medical instrument with power booster
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United States of America Patent
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Aug 18, 1998
Grant Date -
N/A
app pub date -
Oct 5, 1995
filing date -
Oct 5, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A medical instrument, such as a surgical drill, includes a battery-powered handpiece and a booster. The handpiece includes an electrical device, such as a motor, having an operating characteristic responsive to changes in DC voltage and a battery that applies a first DC voltage to the electrical device. The booster is disposed externally of the handpiece body and includes a DC power source and a cable for connecting the DC power source with the battery in the handpiece to apply a second DC voltage to the electrical device. The operating characteristic of the electrical device, e.g., speed, is modified by selectively coupling or decoupling the booster from the handpiece.
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