Percussion instrument used in respiratory therapy

Details Percussion instrument used in respiratory therapy Percussion instrument used in respiratory therapy

1979-01-05

1980-04-08

Trapp, Lawrence W.

Surgery

Truss

Perineal

128 38, 128 67, A61H 3100

Patent

active

041967224

ABSTRACT:
A hand-held, manually operated percussion instrument comprises a main body member formed of resilient material and incudes a sidewall portion and an end cap portion which are integrally connected and sealed together to define a continuous concave interior chamber. A base edge of the sidewall portion circumscribes an opening into the interior chamber. A sealing cuff of resilient and compressible material is attached to the base edge. A flattened interior end wall surface extends generally in parallel and planar spaced apart relation from a plane defined by the sealing cuff and base edge. In use, the percussion instrument is moved through the air with the concave interior chamber facing the chest wall of a human individual to whom respiratory therapy is applied. Upon contact with the chest wall, the sealing cuff compresses and seals against the chest wall. The interior chamber and the flattened interior end wall surface deliver air wave percussion into and through the chest wall at the termination of the stroke created by moving the percussion instrument through the air. The percussion instrument is withdrawn from the chest wall and the process is repeated.

REFERENCES:
patent: 624545 (1899-05-01), Rosell
patent: 713761 (1902-11-01), Harlan
patent: 1201767 (1916-10-01), Schimek et al.
patent: 1758962 (1930-05-01), Miller
patent: 1882040 (1932-10-01), Roehm
patent: 2054849 (1936-09-01), Briggs
patent: 2067268 (1937-01-01), Hans
patent: 2244973 (1941-06-01), Swan
patent: 2264422 (1941-12-01), Wells
patent: 3913569 (1975-10-01), Kanonas
patent: 3955563 (1976-05-01), Maione

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