Patent ID: 11871923
Assignee: CILAG GMBH INTERNATIONAL
Field: Medical technology (Instruments)
Classification: CPC A  H | IPC A  H

Claim 17:
18. A surgical instrument comprising:
an end effector comprising a moveable firing driver;
an electric motor for actuating the firing driver;
a motor control circuit for controlling the motor, wherein the motor control circuit comprises:
a power source;
a charge accumulator device; and
control means for:
in a first instance, connecting the electric motor to the power source for powering the motor with the power source;
in a second instance, connecting the electric motor to the power source for powering the motor with the power source and simultaneously connecting the charge accumulator device to the power source not in series with the motor for charging the charge accumulator device; and
in a third instance, connecting the charge accumulator device to the power source in series for powering the electric motor with the power source and the charge accumulator device.