1978-02-09
1979-06-26
Frinks, Ronald L.
3 19, 3 12, A61F 106, A61F 108
Patent
active
041588959
ABSTRACT:
A coupling for use in an apparatus for connecting a prosthesis to the bone of a stump of an amputated limb which permits a bio-compatible carbon sleeve forming a part of the prosthesis connector to float so as to prevent disturbing the skin seal around the carbon sleeve. The coupling includes a flexible member interposed between a socket that is inserted within an intermedullary cavity of the bone and the sleeve. A lock pin is carried by the prosthesis and has a stem portion which is adapted to be coaxially disposed and slideably within the tubular female socket for securing the prosthesis to the stump. The skin around the percutaneous carbon sleeve is able to move as a result of the flexing coupling so as to reduce stresses caused by changes in the stump shape and/or movement between the bone and the flesh portion of the stump.
REFERENCES:
patent: 3938198 (1976-02-01), Kahn et al.
patent: 3947897 (1976-04-01), Owens
"A Permanently Attached Artificial Limb", by C. W. Hall et al., Transactions Amer. Society Artificial Internal Organs, vol. XIII, 1967, pp. 329-331.
Bright Charles W.
Frosch Robert A. Adminstrator of the National Aeronautics and Space
Mooney Vert
Owens Lester J.
Reswick James B.
Frinks Ronald L.
Harrell James O.
Manning John R.
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