Gas dosing device

Surgery – Respiratory method or device – Inhaled gas heated or humidified by exhaled gas

Reexamination Certificate

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Details

C128S205270, C128S205280, C128S206170, C128S204110

Reexamination Certificate

active

07032592

ABSTRACT:
A device for the dosing of a dry additive gas into a breathing gas in a ventilator system, the ventilator system including a tubing system connectable by at a distal end to a patient, and has a dosing tube connectable to the tubing system for dosing to the distal end of the tubing system. The dosing tube is composed of a tube section having a moisture permeable contact surface, adapted to interact with moisture from exhaled breathing gas, so the dry additive gas is humidified before dosing to the distal end of the tubing system.

REFERENCES:
patent: 4048993 (1977-09-01), Dobritz
patent: 4327717 (1982-05-01), Oetjen et al.
patent: 4708831 (1987-11-01), Elsworth et al.
patent: 5031612 (1991-07-01), Clementi
patent: 5845633 (1998-12-01), Psaros
patent: 5906201 (1999-05-01), Nilson
patent: 6102042 (2000-08-01), Hete et al.
patent: 6116235 (2000-09-01), Walters et al.
patent: 6397842 (2002-06-01), Lee
patent: 2002/0002976 (2002-01-01), Smith et al.
patent: 1 153 627 (2001-11-01), None
patent: WO 82/03014 (1982-08-01), None
patent: WO 01/19526 (1991-12-01), None
patent: WO 01/72365 (2001-10-01), None

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