Visual indicating dental handpiece sheath

Details Visual indicating dental handpiece sheath Visual indicating dental handpiece sheath

1993-02-01

1994-03-08

Wilson, John J.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

A61C 116

Patent

active

052922502

ABSTRACT:
A visual indicating dental handpiece sheath designed to provide protection from the transmission of microbial diseases in dentist's surgical theatres. The sheath, comprised of a gasket and a three layer laminate of plastic film and paper is attached to the high-speed dental handpiece by an elastic band. The gasket and film act to control the intake of fluids and particulate matter, which may contain infectious diseases such as Hepatitis or AIDS, by the dental handpiece. The paper layer contains a water-soluble dye which is activated through use of the handpiece, and which indicates the unhygienic condition of a used sheath.

REFERENCES:
patent: 684951 (1901-10-01), Rothkranz
patent: 1162941 (1915-12-01), Martin et al.
patent: 1539253 (1925-05-01), Fuller
patent: 1742061 (1929-12-01), Curry
patent: 4266935 (1981-05-01), Hoppe
patent: 4693871 (1987-09-01), Geller
patent: 4728290 (1988-03-01), Eisner et al.
patent: 4752223 (1988-06-01), Carlson
patent: 4789336 (1988-12-01), Lewis

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