Patent ID: 11911330
Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
Field: Medical technology (Instruments)
Classification: CPC A  B | IPC A  B

Claim 0:
1. A robotic shoulder joint comprising:
a first hinge joint with a first axis of rotation configured to be oriented towards a center of a human shoulder joint, the first axis of rotation to be aligned with a frontal axis of a user;
a second hinge joint coupled to the first hinge joint, with a second axis of rotation oriented between 55° and 75° from the first axis of rotation and configured to be oriented towards the center of the human shoulder joint;
a third hinge joint coupled to the second hinge joint, with a third axis of rotation oriented between 55° and 75° from the second axis of rotation and oriented between 50° and 80° from the first axis of rotation, configured to be oriented towards the center of the human shoulder joint; and
a fourth hinge joint, coupled to the third hinge joint, with a fourth axis of rotation to provide an additional degree of freedom to the robotic shoulder joint.