Biological implant with textured surface

Details Biological implant with textured surface Biological implant with textured surface

1988-11-22

1991-03-26

Cannon, Alan W.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

623 66, 424424, 424486, A61F 202

Patent

active

050025724

ABSTRACT:
An implant for soft tisse (e.g., subcutaneous, perivascular, adipose), particularly a mass transfer device having a fluid diffusing or transmitting surface in contact with the soft tissue, in which the surface of the device in tissue contact is textured to provide a regular pattern of micropillars at least 100 microns in height with transverse dimensions and interpillar spacing each no greater than 5000 microns.

REFERENCES:
patent: 4340458 (1982-06-01), Lerner et al.
patent: 4396464 (1983-07-01), Giner et al.
patent: 4673409 (1987-06-01), Van Kampen
Picha, G. J., and D. F. Gibbons, "Final Report--The Effect of Controlled Surface Morphology on the Subcutaneous Tissue Response," NASA Report CF-165319, Grant NAG 3-12, Mar. 1981.
Picha, G. J. and D. J. Siedlak, "Ion-Beam Microtexturing of Biomaterials," MD & DI, pp. 39-42, Apr. 1984.
Powell, E. A., "Changes in the Subcutaneous Tissue Response Caused by Implant Compliance and Surface Morphology," Master's Thesis, Case Western Reserve University, May 1982.

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