Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se – Utilizing surface to be reproduced as an impression pattern
Patent
1997-09-08
1999-11-09
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
Utilizing surface to be reproduced as an impression pattern
264334, 425 2, 425438, 601901, B29C 3344, B28B 710, B28B 1306
Patent
active
059808039
ABSTRACT:
The present invention provides a method and apparatus for constructing a prosthetic limb socket. The method involves the steps of: a) creating a positive cast of a patient's residual limb; b) positioning a mechanical press on a distal end of the positive cast; c) molding a prosthetic socket component over the positive cast and over the mechanical press; and d) activating the mechanical press such that the prosthetic socket component is pushed apart from the distal end of the positive cast. Preferably, the mechanical press includes a spacer component adapted to abut a distal surface of the positive cast, a pusher component adapted to abut a proximate surface of a socket component formed over the positive cast, and an actuator for moving the pusher component from the spacer component. Thus, the method preferably also involves the step of activating the actuator to move the pusher component from the spacer component.
REFERENCES:
patent: 1843983 (1932-02-01), Lawrence
patent: 3377416 (1968-04-01), Kandel
patent: 5503543 (1996-04-01), Laghi
patent: 5718925 (1998-02-01), Kristinsson et al.
Schall Scott
Slemker Tracy
Heitbrink Jill L.
Mason Suzanne E.
Prosthetic Design, Inc.
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