Hypodermic anesthetic injection method

Details Hypodermic anesthetic injection method Hypodermic anesthetic injection method

1986-05-30

1988-05-31

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604207, 604154, 433 89, A61M 3100

Patent

active

047478241

ABSTRACT:
A method and apparatus for effecting painless hypodermic needle administration of liquid anesthetics particularly in dentistry in which the needle is carried on a light wand and the anesthetic is delivered to the needle by motive means independently of the operator's fingers during penetration of the needle, with both the rates of penetration and expression of liquid being controlled to achieve intermediate numbing followed by a high rate of liquid expression, if desired, to achieve full anesthesia of the site.

REFERENCES:
patent: 3395704 (1967-08-01), Frey et al.
patent: 3924335 (1975-12-01), Balamuth et al.
patent: 3971375 (1976-07-01), Hill
patent: 4141359 (1979-02-01), Jacobsen et al.
patent: 4323066 (1982-04-01), Bourdon
patent: 4597754 (1986-07-01), Thill et al.

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