Analgesic syringe

Details Analgesic syringe Analgesic syringe

1983-02-15

1985-04-23

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604272, A61M 500

Patent

active

045127689

ABSTRACT:
A syringe article, for analgesic puncture with twin needles, the syringe containing a thin walled plastic reservoir filled with local anesthetic mounted under a collapsible roof and located at the distal end of the syringe barrel adjacent the twin needles, so that depression of the syringe plunger compresses sharp projections against the reservoir which is then ruptured to release the local anesthetic for injection into the flesh which will be punctured, the local anesthetic being passed through pores in the wall of an outer positioned needle into the patient's flesh.

REFERENCES:
patent: 2564977 (1951-08-01), Hsihu
patent: 3530492 (1970-09-01), Ferber
patent: 3547119 (1970-12-01), Hall et al.
patent: 3749084 (1973-07-01), Cucchiara
patent: 4040420 (1977-08-01), Speer
patent: 4306554 (1981-12-01), Schwartz et al.

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