Filtered breathing device with aromatic-infusion

Details Filtered breathing device with aromatic-infusion Filtered breathing device with aromatic-infusion

2007-10-09

2007-10-09

Yu, Justine R. (Department: 3771)

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

C128S203120

Reexamination Certificate

active

10899952

ABSTRACT:
A breathing device includes a housing having an air inlet port, a filtered air outlet port, and a filter situated upstream of the outlet port and downstream of the inlet port. An inhalation valve is situated upstream of the outlet port and downstream of the filter and allows inhalation airflow toward the outlet port, but not vice versa. An aroma-effuser is situated upstream of the inhalation valve and downstream of the filter and entrains aroma in the airflow to be inhaled.

REFERENCES:
patent: 3949743 (1976-04-01), Shanbrom
patent: 3964478 (1976-06-01), Kropfhammer
patent: 5313821 (1994-05-01), Bett et al.
patent: 6513524 (2003-02-01), Storz
patent: 7108659 (2006-09-01), Ross et al.
patent: 2005/0016553 (2005-01-01), Iannuzzi

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