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US 8,657,174 B2Granted
Motorized surgical cutting and fastening instrument having handle based power source
AssigneeEthicon Endo-Surgery, Inc.
InventorsDavid C. Yates, James R. Giordano, Frederick E. Shelton, IV
Life of this patent
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Abstract
A surgical cutting and fastening instrument. The instrument comprises an end effector, a shaft connected to the end effector, and a handle connected to the shaft. The handle comprises an electric, DC motor connected to a drive train in the shaft for powering the drive train. The handle also comprises a power pack that comprises at least one charge-accumulating device connected to the DC motor for powering the DC motor.
Claims13
A device comprising:
- a surgical cutting and fastening instrument comprising:
- an end effector;
- a shaft connected to the end effector, the shaft comprising a drive train for powering the end effector;
- and
- a handle connected to the shaft, the handle comprising:
- an electric, DC motor connected to the drive train for powering the drive train;
- a removable power pack that is detachable and removable from the handle, wherein the power pack comprises:
- at least one chargeable DC power source connected to the DC motor for powering the DC motor;
- and
- a power pack memory for storing at least one operating parameter of the instrument, wherein the at least one operating parameter of the instrument comprises a number of firings by the instrument;
- and
- a charger base, remote from the instrument, for connecting to the removable power pack when the removable power pack is detached and removed from the handle, wherein the charger base comprises:
- a power source for charging the at least one chargeable DC power source of the power pack;
- and
- a charger base memory for downloading the at least one operating parameter from the power pack memory when the removable power pack is connected to the charger base.
12 more elements
Dependencies are inferred from the claim text.