Prophylactic apron

Details Prophylactic apron Prophylactic apron

1988-05-18

1989-10-10

Johnson, Richard J.

Surgery

Male reproductory tract shields or birth control devices

128846, A01G 542

Patent

active

048724629

ABSTRACT:
A resilient thin membrane shield of substantially rectangular planform includes a peel plied adhesive strip along its upper edge and a tapered tubular segment at its center. The walls of the tubular segment are tapered in thickness and along the axis thereof, forming a feathered edge at the end opening. The membrane, furthermore, may include enlarged section ribs and edge beads for unfolding the membrane.

REFERENCES:
patent: 2445694 (1948-07-01), Predmore
patent: 2591783 (1952-04-01), Craddock
patent: 3067336 (1978-01-01), Johnson
patent: 3526227 (1970-11-01), Appelbaum
patent: 3536066 (1970-10-01), Ludwig
patent: 4417146 (1983-11-01), Herbert
patent: 4423523 (1984-11-01), Bodner et al.
patent: 4553968 (1985-11-01), Komis
patent: 4568340 (1986-02-01), Giacalone
patent: 4610685 (1986-09-01), Raley
patent: 4664104 (1987-05-01), Jaicks

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