Powered prosthetic thumb

  • US 10,973,660 B2
  • Filed: 12/13/2018
  • Issued: 04/13/2021
  • Est. Priority Date: 12/15/2017
  • Status: Active Grant
First Claim
Patent Images

1. A powered prosthetic thumb, comprising:

  • a mount;

    a digit rotatably coupled with the mount about a first axis and a second axis, the first axis non-parallel with the second axis;

    an actuator configured to cause rotation of the digit about the first axis;

    a second actuator configured to cause the digit to rotate about the second axis; and

    a first bevel gear and a second bevel gear in mechanical communication with the first bevel gear;

    wherein an orientation of the first axis relative to the mount changes as the digit rotates about the second axis;

    wherein the second actuator is configured to cause rotation of the digit about the second axis by causing rotation of the first bevel gear.

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