1981-06-26
1984-07-31
Cohen, Lee S.
Surgery
Truss
Pad
272 99, A61B 508
Patent
active
044624107
ABSTRACT:
A recording spirometer for performing both a single breath test and a maximum voluntary ventilation test. The spirometer includes a housing in which is disposed a pusher plate. This pusher plate is supported by a member constrained by rotary bearings to move in substantially a straight line. An elastomeric seal creates an airtight chamber beneath the pusher plate. The supporting member also carries a recording medium support so that a permanent record may be made of the volume of exhaled air as a function of time. For performing the maximum voluntary ventilation test, the apparatus includes a mechanism for supporting the pusher plate at an intermediate position so that both inhalation and exhalation segments may be measured and recorded. A rotatable turret is provided for carrying a plurality of pens for marking the recording medium so that different colors may be used for different tests. The rotatable turret is carried on a marking assembly which is driven across the recording medium at a constant rate of speed so that volumetric flow as a function of time may be recorded.
REFERENCES:
patent: 2999495 (1961-09-01), Shipley
patent: 3081766 (1963-03-01), Dubsky et al.
patent: 3385295 (1968-05-01), Beasley
patent: 3395699 (1968-08-01), Beasley
patent: 3555555 (1971-01-01), Lambert
patent: 3559639 (1971-02-01), Nagus et al.
patent: 3589190 (1971-06-01), Jones
patent: 3653374 (1972-04-01), Talonn et al.
patent: 3659590 (1972-05-01), Jones et al.
patent: 3680378 (1972-08-01), Aurillo et al.
patent: 3693180 (1972-09-01), Hasebe et al.
patent: 3703893 (1972-11-01), Hardway, Jr.
patent: 3713436 (1973-01-01), Hardway, Jr.
patent: 3718136 (1973-02-01), Blum
patent: 3722506 (1973-03-01), McMillan, Jr.
patent: 3726271 (1973-04-01), Mondshine et al.
patent: 3946726 (1976-03-01), Pikul
patent: 3985124 (1976-10-01), Coleman
patent: 4010761 (1977-03-01), Tipple
patent: 4041935 (1977-08-01), Garbe
patent: 4112931 (1978-09-01), Burns
patent: 4172258 (1979-10-01), Lane
patent: 4307729 (1981-12-01), Hart et al.
Blais Maurice R.
Hess Craig N.
Cohen Lee S.
LSE Corp.
Sykes Angela D.
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