Dental film cartridge cushion

Details Dental film cartridge cushion Dental film cartridge cushion

1989-12-12

1991-08-27

Westin, Edward P.

X-ray or gamma ray systems or devices

Photographic detector support

Dental

378171, G03C 300

Patent

active

050440080

ABSTRACT:
A cushion for dental film cartridges and a method for forming the same are disclosed. The cushion comprises first and second layers of foam or a like material bonded together about their common periphery and having a central opening passing therethrough. The foam cushion is installed about the periphery of a film cartridge such as those commonly used in dentistry to facilitate x-raying of the teeth. The foam cushion surrounds and covers the typically hard and sharp edges of the film cartridges to prevent discomfort and pain due to abrasion of the gums and soft mouth tissue.

REFERENCES:
patent: 1537925 (1925-05-01), Bolin
patent: 1631492 (1927-06-01), Marler
patent: 1631497 (1927-06-01), Marler
patent: 1994579 (1935-03-01), Hodgson
patent: 2010281 (1935-08-01), Van Valkenburg
patent: 3876072 (1975-04-01), Phillips
patent: 3941246 (1976-03-01), Duden
patent: 4244762 (1981-01-01), Holson
patent: 4305988 (1981-12-01), Kocher
patent: 4626216 (1986-12-01), Strong-Grainger
patent: 4805201 (1989-02-01), Strong-Grainger

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