Carpal tunnel syndrome screening device

Details Carpal tunnel syndrome screening device Carpal tunnel syndrome screening device

1986-11-12

1988-10-04

Howell, Kyle L.

Surgery

Truss

Pad

73379, A61B 510

Patent

active

047749660

ABSTRACT:
A carpal tunnel syndrome screening device for measuring the strength of or combined force vector generated by the intrinsic hand muscles innervated by the median nerve after is passes through the carpal tunnel includes a base defining a palm support or rest surface and a thumb guide surface. The surfaces are configured to position the thumb of the user for movement in a substantially vertical plane with the thumb positioned at an angle of approximately 45.degree. with respect to the index finger. The device further includes a thumb receiving cradle and a cradle support structure. A force transducer operatively connected to the cradle measures the force created by movement of the thumb. The device provides an objective indication of the presence of carpal tunnel syndrome.

REFERENCES:
patent: 3670573 (1972-06-01), Kroemer
patent: 3672219 (1972-07-01), Van Patten
patent: 3752473 (1973-08-01), La Lanne
patent: 3848468 (1974-11-01), Richards
patent: 4173074 (1979-11-01), Newman et al.
Dickson et al.; "A Device for Measuring the Force of the Digits of the Hand"; Bio-Med. Eng.; GB, vol. 7, No. 6, 7-1972, pp. 270-273.

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