Prosthetic devices having a region of controlled porosity

Details Prosthetic devices having a region of controlled porosity Prosthetic devices having a region of controlled porosity

1975-11-14

1977-08-02

Frinks, Ronald L.

Surgery

Truss

Pad

3 14, 3 191, 3 1911, 3 1913, 128 92C, 128 92BC, 128 92CA, A61F 122, A61F 124

Patent

active

040387038

ABSTRACT:
An improved prosthetic device having its exterior surface formed to provide a region of controlled porosity to promote the ingrowth of bone and/or tissue. A metal coil spring is secured to a metal substrate at a plurality of points, as by being disposed in a groove having a depth about equal to the loop diameter of the spring. Adjacent loops of the spring are preferably spaced apart from one another, and adjacent side-by-side spring sections may be interleaved with one another, with the interleaved loops being affixed to each other by common bonds at their points of junction.

REFERENCES:
patent: 3435526 (1969-04-01), Brancato
patent: 3546711 (1970-12-01), Bokros
patent: 3839741 (1974-10-01), Haller
patent: 3906550 (1975-09-01), Rostoker et al.

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