Anesthetizer for dental treatment

Details Anesthetizer for dental treatment Anesthetizer for dental treatment

1981-12-04

1984-04-03

Coven, Edward M.

Surgery

Truss

Pad

128399, 433 32, 62 3, 62293, A61B 1736

Patent

active

044401671

ABSTRACT:
An anesthetizer for dental treatment adapted to anesthetize the defective part of a tooth or gums by freezing. The anesthetizer comprises a hollow tubular anesthetizer body which is branched into a pair of branch tubes having ends opposing to each other with a suitable gap therebetween. A cap is detachably fitted around the end of each branch tube. The top of each cap is closed by a plate-type thermoelectric element with a colder surface directly outwardly. A connecting terminal is projected from the base end of each cap. Conductors for electrically energizing the thermoelectric element and conduits for supplying and discharging a fluid are extended through and sealed in the hollow anesthetizer body. In use, the cold side of the thermo-electric element is placed in contact with the outer surface of the defective part of the tooth or gums to freeze the same to a large depth to realize the anesthetized state without using any anesthetic agent.

REFERENCES:
patent: 2387258 (1945-10-01), Hague
patent: 3133539 (1964-05-01), Eidus
patent: 3369549 (1968-02-01), Armao
patent: 3421508 (1969-01-01), Nestrock
patent: 3467104 (1969-09-01), Burbridge et al.
patent: 3674031 (1972-07-01), Weicke
patent: 4308013 (1981-12-01), Major

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