Method and apparatus for conditioning gas for medical...

Details Method and apparatus for conditioning gas for medical... Method and apparatus for conditioning gas for medical...

2006-02-23

2008-11-11

Mendez, Manuel A (Department: 3763)

Surgery

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

Gas application

C261S129000, C261S141000, C236S04400R

Reexamination Certificate

active

07449007

ABSTRACT:
An apparatus for conditioning gas for use in a medical procedure comprises a housing defining a chamber having an entry port and an exit port. The housing contains at least a humidification means comprising a container for liquid. A humidity sensor may be disposed within the chamber that senses the humidity of the gas exiting the chamber. A monitoring circuit is connected to the humidity sensor that detects when the chamber requires a recharge of liquid, and generates a recharge signal indicative thereof. A charging port on the housing provides access into the chamber to recharge the chamber with water. Alternatively, a backup container of liquid is provided to continuously supply liquid to the humidification means. A heating element and temperature sensor are also disposed within the chamber. A control circuit further regulates the temperature of the gas exiting the chamber.

REFERENCES:
patent: 4621632 (1986-11-01), Bartels et al.
patent: 5411474 (1995-05-01), Ott et al.
patent: 6039696 (2000-03-01), Bell

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