Anesthesia device with selective spray ports

Details Anesthesia device with selective spray ports Anesthesia device with selective spray ports

1981-12-23

1983-09-20

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604 54, 604239, 604244, 604256, 12820714, 12820022, A61M 1100, A61M 2500

Patent

active

044053088

ABSTRACT:
An anesthesia device comprising, a syringe having a chamber, and a device for pumping fluid from the chamber. The device has an elongated cannula attached to the syringe, with the cannula having a lumen in communication with the chamber of the syringe, a plurality of apertures in a distal portion of the cannula communicating with the lumen, and an opening adjacent a distal end of the cannula and distal the apertures, with the opening communicating with the lumen. The device has an element for releasably closing the apertures in the distal portion of the cannula while leaving the opening unobstructed, and for frictionally engaging the cannula to prevent dislodgment during use of the cannula.

REFERENCES:
patent: 1531213 (1925-03-01), Nimmer
patent: 3885561 (1975-05-01), Cami
patent: 4182326 (1980-01-01), Ogle

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