Valved device

Details Valved device Valved device

1976-12-20

1978-07-25

Michell, Robert W.

Surgery

Truss

Pad

128342, 128344, 128349BV, 251342, 251DIG2, A61B 1712

Patent

active

041023420

ABSTRACT:
A fluid such as air is tightly enclosed in a chamber which serves to plug an organic passage such as a person's nasal cavity. The fluid is supplied into the chamber through a tube so as elastically to expand the chamber and thereafter is discharged through a valve device comprising an opening formed in the tube and a valve member which normally closes the opening but can be rolled up on itself so that the fluid in the chamber can flow out through the opening.

REFERENCES:
patent: 2493326 (1950-01-01), Trinder
patent: 2566806 (1951-09-01), Miller
patent: 2647515 (1953-08-01), Pollock et al.
patent: 2691985 (1954-10-01), Newsom
patent: 3081773 (1963-03-01), Isaac
patent: 3375828 (1968-04-01), Sheridan
patent: 3407817 (1968-10-01), Galleher, Jr.
patent: 3903893 (1975-09-01), Scheer

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