Surgery – Truss – Pad
Patent
1976-11-01
1977-08-30
Frinks, Ronald L.
Surgery
Truss
Pad
3 191, 128 92C, 128 92CA, A61F 124
Patent
active
040444031
ABSTRACT:
An articulating joint prosthesis comprising implantable first and second members, said first member having a substantially spherical head, said second member having substantially congruent cavity formed therein for cooperatively engaging said spherical head, said cavity having a hemispherical portion terminating in a diametral plane and an entrance portion extending beyond said plane and terminating in a circular entrance to said cavity, an outwardly tapering guideway surrounding said entrance, said second member further having a continuous annular groove formed substantially at said diametral plane and adjacent said guideway, said guideway and said groove defining between them a resilient annular lip surrounding said entrance, said lip being inwardly deformable during insertion of said spherical head through said entrance to admit and entrap said head in said cavity, and said lip being outwardly deformable to resist escape of said head from said cavity.
REFERENCES:
patent: 3813699 (1974-06-01), Giliberty
patent: 3818512 (1974-06-01), Shersher
patent: 3842442 (1974-10-01), Kolbel
patent: 3863273 (1975-02-01), Averill
patent: 3916451 (1975-11-01), Buechel et al.
patent: 3922726 (1975-12-01), Trentani et al.
patent: 3965490 (1976-06-01), Murray et al.
patent: 3978528 (1976-09-01), Crep
patent: 3982281 (1976-09-01), Giliberty
Frinks Ronald L.
Howmedica Inc.
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