Surgery – Truss – Perineal
Patent
1981-08-03
1983-10-11
Howell, Kyle L.
Surgery
Truss
Perineal
A61H 100
Patent
active
044085990
ABSTRACT:
A source of pressurized gas is attached to a dynamic pressure wave appliance. The pneumatic control circuit connects the source of pressurized gas to a first chamber of the appliance. When the pressure in the first chamber reaches a first predetermined level, a valve seals the first chamber and connects the source so as to inflate a second chamber about the first. When the pressure in the second chamber reaches a second predetermined level, a valve permits the first chamber to deflate while continuing to connect the second chamber for inflation. A valve for sealing the inflated sleeve discontinues the inflation of the sleeve when the pressure therein reaches a third predetermined level. The sequence of operation of the pneumatic control circuit will cause a suitable dynamic pressure wave appliance to apply a pressure to a human or animal extremity which begins at the most distant end and travels up the extremity in the nature of a pressure wave.
REFERENCES:
patent: 2719986 (1955-10-01), Rand
patent: 2781041 (1957-02-01), Weinberg
patent: 2896612 (1959-07-01), Bates et al.
patent: 3880149 (1975-04-01), Kawaguchi
patent: 3923053 (1975-12-01), Jansson
patent: 4066084 (1978-01-01), Tillander
patent: 4338923 (1982-07-01), Gelfer et al.
Fukushima Christine A.
Howell Kyle L.
Jobst Institute Inc.
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