Pressure sensing syringe

Details Pressure sensing syringe Pressure sensing syringe

1986-12-22

1988-07-26

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604228, 7386416, 116DIG17, 128748, A61M 518

Patent

active

047597500

ABSTRACT:
A syringe for providing a tactile signal to a person who is directing a fluid to a vein of a patient, for local anesthesia administration where a specific infusion pressure should not be exceeded, and other uses where delivery pressure is critical. A biased pressure sensitive piston is interposed between the syringe plunger and an actuating thumb pressure element. When a preset pressure is reached in the syringe body, a projection reaches the thumb to alert the administering person that the preset pressure has been reached.

REFERENCES:
patent: 2567895 (1951-09-01), Rommer
patent: 4064879 (1977-12-01), Leibinsohn
patent: 4624659 (1986-11-01), Goldberg et al.

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