SURGICAL INSTRUMENT WITH ADJUSTABLE STOP/START CONTROL DURING A FIRING MOTION
First Claim
1. A surgical instrument, comprising:
- an elongated channel configured to support a staple cartridge;
an anvil pivotably connected to the elongated channel;
a knife mechanically coupled to the staple cartridge;
an electric motor mechanically coupled to the knife; and
a control circuit electrically connected to the electric motor, wherein the control circuit is configured to;
ignore an occurrence of a first predefined event based on a position of the knife;
automatically stop an advancement of the knife after an occurrence of a second predefined event; and
automatically restart the closing action of the knife after an occurrence of a third predefined event.
3 Assignments
0 Petitions
Accused Products
Abstract
A surgical instrument. The surgical instrument includes an elongated channel configured to support a staple cartridge, an anvil pivotably connected to the elongated channel, a knife mechanically coupled to the staple cartridge, an electric motor mechanically coupled to the knife and a control circuit electrically connected to the electric motor. The control circuit is configured to ignore an occurrence of a first predefined event based on a position of the knife, automatically stop an advancement of the knife after an occurrence of a second predefined event, and automatically restart the closing action of the knife after an occurrence of a third predefined event.
318 Citations
20 Claims
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1. A surgical instrument, comprising:
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an elongated channel configured to support a staple cartridge; an anvil pivotably connected to the elongated channel; a knife mechanically coupled to the staple cartridge; an electric motor mechanically coupled to the knife; and a control circuit electrically connected to the electric motor, wherein the control circuit is configured to; ignore an occurrence of a first predefined event based on a position of the knife; automatically stop an advancement of the knife after an occurrence of a second predefined event; and automatically restart the closing action of the knife after an occurrence of a third predefined event. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A surgical instrument, comprising:
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an elongated channel configured to support a staple cartridge; a knife mechanically coupled to the staple cartridge; an electric motor mechanically coupled to the knife; and a control circuit electrically connected to the electric motor, wherein the control circuit is configured to; automatically stop an advancement of the knife upon the occurrence of a first predefined event; automatically restart the advancement of the knife upon the occurrence of a second predefined event; and ignore an occurrence of a third predefined event based on a position of the knife. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A surgical instrument, comprising:
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an elongated channel configured to support a staple cartridge; an anvil pivotably connected to the elongated channel; a knife mechanically coupled to the staple cartridge; an electric motor mechanically coupled to the knife; means for controlling the electric motor to; automatically stop an advancement of the knife member if a trigger exceeds a first threshold; and automatically restart the advancement of the knife if the trigger exceeds a second threshold; and means for varying at least one of the first and second thresholds. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification