Portable anesthesia machine

Details Portable anesthesia machine Portable anesthesia machine

1997-03-13

2000-02-08

Weiss, John G.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820312, 12820414, A61M 1600

Patent

active

060217774

ABSTRACT:
A portable anesthesia machine includes a vaporizer having a combinant chamber for containing a liquid anesthetic agent and a pair of diluent stems extending therein for delivering a carrier gas thereinto and providing a vaporized anesthesia agent therefrom, with a generally arcuately shaped, slotted, baffle covering an orifice in each of the diluent stems and a cotton wick extending along the height of each of a pair of carrier stems. A calibrated knob and piston/cylinder assembly controls flow of carrier gas and diluent gas into and out of the combinant chamber. A flow control manifold allows the connection of a multiple number of carrier gases and calibrated flow of any selected carrier gas into the vaporizer. A well fill port provides a convenient point for filling or draining the combinant chamber.

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patent: 4919125 (1990-04-01), Heaton et al.
patent: 5144991 (1992-09-01), Wallroth et al.
patent: 5490500 (1996-02-01), Reichert et al.

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