Ventilators and pressure oscillators thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 13, 1988
Grant Date -
N/A
app pub date -
Jan 22, 1986
filing date -
Jan 22, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ventilator for producing artificial respiration comprising a pressure chamber for receiving at least the chest of a patient so as to establish a volume exterior of the chest between which volume and the lungs of the patient a pressure differential may be produced by pressure changes applied to said chamber, means a vacuum source for establishing a sub-ambient pressure in said chamber, and an oscillating pressure source for varying the pressure in said chamber so as to superimpose on said sub-ambient pressure a cyclic variation having a frequency of above 1 Hz.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully