Vacuum chamber socket system

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Leg – Socket holder

Reexamination Certificate

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Reexamination Certificate

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07632315

ABSTRACT:
A vacuum chamber socket system having a shell which defines a receiving portion for receiving a residuum. The receiving portion is connected via a vacuum transfer port to a vacuum reservoir chamber. A one-way or non-return valve is provided within the vacuum transfer port for allowing air to pass from the receiving portion into the chamber, but not from the chamber to the receiving portion. The chamber also includes an evacuation port for creating a partial vacuum within both the chamber and the receiving portion. A removable evacuation device may be connected to the evacuation port in order to create the partial vacuum.

REFERENCES:
patent: 4908037 (1990-03-01), Ross
patent: 6287345 (2001-09-01), Slemker et al.
patent: 7169189 (2007-01-01), Bjarnason et al.

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