Cryogenic processing of orthopedic implants

Details Cryogenic processing of orthopedic implants Cryogenic processing of orthopedic implants

1990-10-01

1991-09-03

Capossela, Ronald C.

Heat exchange

Regenerator

Checker brick structure

62 62, 62 78, 623 22, F25B 1300

Patent

active

050444220

ABSTRACT:
A cryogenic method for strengthening an orthopedic implant prior to its use is disclosed. The cryogenic method for strengthening an orthopedic implant includes the steps of placing the orthopedic implant and/or the implant material in a treatment chamber which is kept at room temperature, applying the total number of temperature steps to the orthopedic implant, as a first variable, to bring the orthopedic impalant and/or the implant material in the treatment chamber to -320.degree. F. or below, applying the total number of temperature steps to the orthopedic implant, as a second variable, to bring the orthopedic implant and/or the implant material in the treatment chamber to +295.degree. F., or below, depending on material type, applying the total number of temperature steps to the orthopedic implant, as a third variable, to bring the orthopedic implant and/or the implant material in the treatment chamber to room temperature.

REFERENCES:
patent: 4878916 (1989-11-01), Rhenter et al.

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