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US 8,459,525 B2Granted
Motorized surgical cutting and fastening instrument having a magnetic drive train torque limiting device
AssigneeEthicon Endo-Sugery, Inc.
InventorsDavid C. Yates, Thomas W. Huitema
Life of this patent
Estimating the term…
Abstract
A surgical cutting and fastening instrument. The instrument comprises an end effector and a shaft connected to the end effector. The shaft comprises a drive train for powering the end effector. The instrument also comprises an electric, DC motor connected to the drive train for powering the drive train. The instrument also comprises a torque-limiting device connected between to an output pole of the motor and an input pole of the drive train.
Claims15
A surgical cutting and fastening instrument comprising:
- an end effector comprising:
- a cutting instrument for cutting tissue clamped in the end effector;
- and
- fastening means for fastening the tissue cut by the cutting instrument;
- a shaft connected to the end effector, the shaft comprising a drive train for powering the end effector;
- an electric, DC motor connected to the drive train for powering the drive train;
- and
- a torque-limiting device connected between to an output pole of the motor and an input pole of the drive train.
5 more elements
The surgical cutting and fastening instrument 6, wherein the coil is wrapped around the stator.
Dependencies are inferred from the claim text.