Real Time Bur Chatter Compensation In Surgical Cutting Burs
AssigneeStryker Corporation
InventorMichael Laubenthal
Life of this patent
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Abstract
A console is configured to provide a drive signal to a handheld surgical instrument. The console includes at least one instrument port configured to be connected to the handheld surgical instrument, the handheld surgical instrument including a surgical bur. The console further includes a footswitch port configured to be connected to a footswitch and a controller. The controller is configured to determine a sensed electrical current drawn by the handheld surgical instrument, determine a chatter event based on the sensed electrical current, and adjust a speed of the surgical bur in response to the determined chatter event.
Claims14
A console configured to provide a drive signal to a handheld surgical instrument, the console comprising:
- at least one instrument port for being connected to the handheld surgical instrument, said handheld surgical instrument having a surgical bur;
- a footswitch port for being connected to a footswitch, and
- a controller configured to:
- determine a sensed electrical current drawn by the handheld surgical instrument;
- determine a chatter event based on the sensed electrical current;
- and
- adjust a speed of the surgical bur in response to the determined chatter event.
Dependencies are inferred from the claim text.