Surgery – Truss – Perineal
Patent
1975-01-20
1976-08-24
Trapp, Lawrence W.
Surgery
Truss
Perineal
128 64, A61H 100
Patent
active
039760561
ABSTRACT:
An intermittent pressure pneumatic stocking system for creating pressure changes on selected parts of the body of the user or patient. The pneumatic stocking is filled with air or other suitable gas to a selected low pressure and through slight movements of a bedridden patient intermittent pressure changes to selected external areas of the body are achieved. Movements of the patient cause pressure and volume changes in a first pneumatic sac placed under the patient or wrapped around the torso of the patient. These changes in pressure and volume cause gas displacement through pneumatic tubing to at least one second pneumatic sac located on one of the patient's extremities. The second pneumatic sac is so arranged to surround the particular region such as the calf of a leg. Each of the pneumatic sacs may be divided into a plurality of compartments. Tubes, valves and other pressure equalizing elements are used between connecting pneumatic tubes, compartments, or sacs to provide a gradual equalization of pressure between the respective first and second pneumatic sacs after each pressure change caused by movement of the patient. The total system is so constructed to promote increased pressure on the selected part of the body followed by a slow -- 5 to 10 second -- release of the pressure.
REFERENCES:
patent: 505745 (1893-09-01), Barclay
patent: 3288132 (1966-11-01), Meredith
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