High pressure syringe with pressure indicator

Details High pressure syringe with pressure indicator High pressure syringe with pressure indicator

1986-11-24

1987-12-01

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604209, 604224, A61M 100

Patent

active

047101725

ABSTRACT:
A high pressure anesthetic syringe is provided for use in procedures such as intraligamentary anesthesia wherein a high pressure is generated by a drive mechanism to advance a piston rod in a direction to express liquid anesthesia from a glass carpule, wherein a pressure indicating mechanism is provided by including an elongated stem slidably mounted within the piston rod of the syringe and wherein pressure applied to the liquid anesthetic is indicated by relative movement between the elongated stem and the piston rod.

REFERENCES:
patent: 4623335 (1986-11-01), Jackson
patent: 4624659 (1986-11-01), Goldberg et al.

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