Surgery – Truss – Perineal
Patent
1979-07-10
1981-03-24
Yasko, John D.
Surgery
Truss
Perineal
A61H 100
Patent
active
042574080
ABSTRACT:
A battery-operated vibratory cushioned structure is disclosed which includes an outer shell filled with a shredded material or fluid filler and a pocket unit having flexible walls extending inwardly from said outer shell containing a vibrating means. The pressure of the filler medium is adjusted within critical limits wherein the flexible walls of the pocket conform to the shape of the vibratory means but the pressure is insufficient to trigger the vibratory means. The vibratory means is thus also protected from the filler material and is retained in optimum orientation within the cushioning means so that it may be reliably activated by application of external, manual, pressure. An opening in the outer shell allows access into the pocket unit for servicing of the vibrating means and is provided with disengageable closure means. A method for testing of the critical pressure limits, which the cushioned vibratory structure must meet, is set forth.
REFERENCES:
patent: 2859731 (1958-11-01), Sutton
patent: 3137092 (1964-06-01), Salerno
patent: 3292610 (1966-12-01), Newman
patent: 3384074 (1968-05-01), Rautiola et al.
patent: 3563229 (1971-02-01), Pertrusson
patent: 4060932 (1977-12-01), Leto et al.
patent: 4124022 (1978-11-01), Gross
patent: 4136685 (1979-01-01), Ramey
Drucker I. Morley
Yasko John D.
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