Vent for use in an orthopedic cast

Details Vent for use in an orthopedic cast Vent for use in an orthopedic cast

1987-07-20

1989-05-09

Hafer, Robert A.

Surgery

Truss

Perineal

128 91A, A61F 1500

Patent

active

048279161

ABSTRACT:
A vent for use in an orthopedic cast of a prescribed thickness comprises a plastic base tab having a substantially elliptical aperture therein and a wall around the periphery of the aperture that rises from one side of the tab to a height about equal to the prescribed cast thickness. The wall may be bowed inwardly. The novel vent may be available singly, or connected together by their tabs, or connected together with spacers therebetween.

REFERENCES:
patent: 2273792 (1942-02-01), Brown
patent: 2704067 (1955-03-01), Moses
patent: 2731963 (1956-01-01), Blank
patent: 2822806 (1958-02-01), Blank
patent: 2837088 (1958-06-01), Moses
patent: 3116731 (1964-01-01), Baxter
patent: 3307537 (1967-03-01), Simon et al.
patent: 3656477 (1972-04-01), Thomas et al.
patent: 3762406 (1973-10-01), Wells
patent: 3998220 (1976-12-01), Cleer Jr. et al.
patent: 4174716 (1979-11-01), Treace
patent: 4387710 (1983-06-01), Beatty III

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