1981-01-08
1983-08-16
Apley, Richard J.
Surgery
Truss
Perineal
A61H 700
Patent
active
043985319
ABSTRACT:
An improved percussor assembly having a reciprocating percussion member for directing reciprocating motion to a user including a valve responsive to movement of the percussion member for temporarily and alternately interrupting the flow of gas in the percussor in response to the alternate movement of the reciprocating percussion member.
REFERENCES:
patent: 1780876 (1930-11-01), Grosse
patent: 2646039 (1953-07-01), Agosti
patent: 3396721 (1968-08-01), Mencacci
patent: 3613724 (1971-10-01), Carson
patent: 4050357 (1977-09-01), Carter
Apley Richard J.
Brown David J.
Hudson Oxygen Therapy Sales Company
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