Hand prosthesis
First Claim
Patent Images
1. A hand prosthesis comprising:
- a hand chassis;
a thumb chassis mounted on the hand chassis for rotation of the thumb chassis in relation to the hand chassis about an axis extending generally along the length of the thumb chassis;
a thumb chassis motor disposed on the hand chassis, the thumb chassis motor being operable to drive a worm;
a worm gear wheel disposed on the thumb chassis, the worm being in engagement with the worm gear wheel such that, upon operation of the thumb chassis motor, the thumb chassis rotates in relation to the hand chassis; and
a thumb assembly,wherein the thumb assembly attaches to the thumb chassis, the thumb assembly having a thumb motor positioned within the thumb assembly such that the thumb assembly moves at an angle to the hand chassis independently of the movement of the thumb chassis.
3 Assignments
0 Petitions
Accused Products
Abstract
A hand prosthesis (15) including a hand chassis (15), a thumb member (22) mounted on the hand chassis for rotation of the thumb member in relation to the hand chassis about an axis extending generally along the length of the thumb member, a motor (64) disposed on one of the hand chassis and the thumb member, the motor being operable to drive a worm (56) and a worm gear wheel (54) disposed on the other of the hand chassis and the thumb member, the worm being in engagement with the worm gear wheel such that, upon operation of the motor, the thumb member rotates in relation to the hand chassis.
22 Citations
20 Claims
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1. A hand prosthesis comprising:
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a hand chassis; a thumb chassis mounted on the hand chassis for rotation of the thumb chassis in relation to the hand chassis about an axis extending generally along the length of the thumb chassis; a thumb chassis motor disposed on the hand chassis, the thumb chassis motor being operable to drive a worm; a worm gear wheel disposed on the thumb chassis, the worm being in engagement with the worm gear wheel such that, upon operation of the thumb chassis motor, the thumb chassis rotates in relation to the hand chassis; and a thumb assembly, wherein the thumb assembly attaches to the thumb chassis, the thumb assembly having a thumb motor positioned within the thumb assembly such that the thumb assembly moves at an angle to the hand chassis independently of the movement of the thumb chassis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification