Surgery – Truss – Perineal
Patent
1978-09-06
1980-08-05
Michell, Robert W.
Surgery
Truss
Perineal
272129, 128DIG20, A61M 102
Patent
active
042156793
ABSTRACT:
The device comprises modular parts with one module being an airtight casing shaped to approximate the shape of the limb needing circulation assistance. A pressure module may be attached to the end of the casing. This module includes a diaphragm which is operated by control circuitry responsive to a first sensor positioned to provide an indication of the entry of a blood pulse to the extremity. This sensor provides a timing pulse which activates a solenoid attached to the diaphragm. The timing pulse is passed through a variable time delay which time delay is controlled by a second sensor connected at a point on the extremity. The second sensor provides an indication of the amplitude of the blood pulse which passes through the extremity. The time delay period is varied to provide maximum amplitude of the pulse blood flow within the extremity. Furthermore, an exercise module may be connected to the casing in order to provide the patient with a means for actively stimulating his own blood circulation. The exerciser comprises a plunger having four positions into which it may be placed to activate one of four switches. Upon activation of each switch, an indicator dial position within sight of the patient will advance. The patient is instructed to activate each switch sequentially in order to move the indicator dial clockwise about the indicator face. Furthermore, a device is included in order to provide a means for applying pressure to an open wound existing in the extremity in order to bring opposing surfaces of the wound into contact and thereby encourage healing of the wound.
REFERENCES:
patent: 2265729 (1941-12-01), Hall
patent: 3292613 (1966-12-01), MacLeod
patent: 3396721 (1968-08-01), Mencacci
patent: 3859989 (1975-01-01), Spielberg
Jacobson Harvey B.
Kruter J. L.
Michell Robert W.
O#Brien Clarence A.
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