Anesthesia device with selective spray ports

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

A - Human Necessities

61

M

128/127, 128/71

A61M 15/00 (2006.01) A61M 19/00 (2006.01)

Patent

CA 1182703

ANESTHESIA DEVICE WITH SELECTIVE SPRAY PORTS ABSTRACT OF THE DISCLOSURE 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.

414188

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