Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1983-11-01
1986-04-08
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
222391, A61M 5315
Patent
active
045810222
ABSTRACT:
A precision injection system for intralignmental anesthesia and the like having a syringe with a tubular handle portion which is removably connected a tubular headpiece as a longitudinal extension thereof. The headpiece receives a carpule cartridge with injection contents monitored during injections through elongate windows on opposite sides of the headpiece. A dosing plunger housed in the handle portion in a retracted start position is activated by a servo-dosing lever and advances incrementally axially into the headpiece for delivery of metered quantities of the contents of the carpule cartridge each time the servo-dosing lever is actuated. Provision is made for semiautomatic resetting of the dosing plunger to a retracted start position by depressing a resetting key and raising the syringe to a generally vertically raised position. The dosing plunger has a rack thereon activated by a ratchet cooperative with the servo-dosing lever so that a reduction in the normal pressure applied to the servo-dosing lever is effected in making the injections.
REFERENCES:
patent: 201443 (1878-03-01), Parker
patent: 2266998 (1941-12-01), Smith
patent: 2472116 (1949-06-01), Maynes
patent: 2585815 (1952-02-01), McLintock
patent: 3051172 (1962-08-01), Bruchhaus
patent: 3977574 (1976-08-01), Thomas
patent: 4444560 (1984-04-01), Jacklick
Leonard Henri
Seigneurin Michel
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Micro-Mega S.A.
Pellegrino Stephen C.
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