Surgery – Body protecting or restraining devices for patients or infants – Restrainers and immobilizers
Patent
1990-06-25
1993-08-03
Hafer, Robert A.
Surgery
Body protecting or restraining devices for patients or infants
Restrainers and immobilizers
128 24R, 128845, 602 19, 602 20, A61F 537
Patent
active
052319989
ABSTRACT:
A whole arm orthosis with plural degrees of freedom dampens limb tremors. A linkage mechanism permits movement of the forearm in a horizontal plane, as well as tilting of the forearm out of the horizontal plane. A sensor coupled to the joints of the linkage mechanism detects the angular velocity of rotation. A brake applies resistive torque to the joints in accordance with the angular velocity of rotation.
REFERENCES:
patent: 4078670 (1978-03-01), Francois et al.
patent: 4689449 (1987-08-01), Rosen
patent: 5020790 (1991-06-01), Beard et al.
patent: 5107080 (1992-04-01), Rosen
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U.S. patent application Ser. No. 07/648,733 filed on Jan. 13, 1991.
Baiges Ivan J.
Rosen Michael J.
Hafer Robert A.
Massachusetts Institute of Technology
Stone Gregory M.
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