Surgery – Truss – Pad
Patent
1985-01-18
1987-02-03
Recla, Henry J.
Surgery
Truss
Pad
128720, 128725, 12820524, 137908, 137854, 137856, A61B 508
Patent
active
046402934
ABSTRACT:
A mouthpiece for the inlet tube of a spirometer is formed to engage the inlet end of the tube and has a radially extending part or parts for preventing reverse fitting. An apertured valve seating has a valve diaphragm of flexible material for obstructing the return flow of air to the patient's mouth. The seating may have a projecting rim for engagement with the peripheral region of the diaphragm, and the diaphragm is preferably mounted so that it is planar on first engagement therewith. A ring may be arranged to be contacted by the diaphragm after initial bulging by back-pressure. Further deformation of the diaphragm is thereby controlled so that its peripheral region remains in engagement with the rim.
REFERENCES:
patent: 162598 (1875-04-01), Bailey
patent: 3228418 (1966-01-01), Rosback et al.
patent: 3256910 (1966-06-01), Cupp
patent: 3262447 (1966-07-01), Burke
patent: 3949737 (1976-04-01), Nielsen
patent: 4253468 (1981-03-01), Lehmbeck
Breiner A. W.
Recla Henry J.
LandOfFree
Spirometer accessory does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Spirometer accessory, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spirometer accessory will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1087148