Peep control in a piston ventilator

Details Peep control in a piston ventilator Peep control in a piston ventilator

1998-01-15

1999-07-06

Weiss, John G.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820423, 12820426, A61M 1600

Patent

active

059185970

ABSTRACT:
A piston ventilator is provided which advantageously monitors the positive end expiratory pressure (PEEP) in a patient circuit for supplying breathable gas to a patient, and controls a shiftable valve element in an exhalation valve to regulate the amount of resistance during the exhalation portion of the patient's breath. The shiftable element is preferably an inflatable diaphragm which receives a pneumatic signal through a signal conduit. The pressure provided by the signal conduit is controlled by the amount of gas vented by a PEEP valve, wherein the greater the opening of the PEEP valve, the greater the amount of gas from the patient circuit is vented therethrough and consequently the less the restriction is provided in the exhalation valve. The primary source of pressure for the breathable gas is provided by a piston ventilator, with make-up pressurization in the patient circuit provided by a secondary source such as a blower to compensate for leakage and to provide pressurization for the signal conduit during the retraction of the piston within the cylinder and consequent exhalation portion of the patient's breath. Supplemental oxygen is provided to the patient circuit during retraction of the piston to ensure adequate oxygen enrichment at the incipient portion of the inhalation portion of the patient's breath.

REFERENCES:
patent: 3741208 (1973-06-01), Jonsson et al.
patent: 4022234 (1977-05-01), Dobritz
patent: 4023587 (1977-05-01), Dobritz
patent: 4323064 (1982-04-01), Hoenig et al.
patent: 4527557 (1985-07-01), DeVries et al.
patent: 4561287 (1985-12-01), Rowland
patent: 4794922 (1989-01-01), DeVries
patent: 5072729 (1991-12-01), DeVries
patent: 5150291 (1992-09-01), Cummings et al.
patent: 5161525 (1992-11-01), Kimm et al.
patent: 5237987 (1993-08-01), Anderson et al.
patent: 5271389 (1993-12-01), Isaza et al.
patent: 5299568 (1994-04-01), Forare et al.
patent: 5319540 (1994-06-01), Isaza et al.
patent: 5323772 (1994-06-01), Linden et al.
patent: 5331995 (1994-07-01), Westfall et al.
patent: 5383449 (1995-01-01), Forare et al.
patent: 5390666 (1995-02-01), Kimm et al.
patent: 5494028 (1996-02-01), DeVries et al.
patent: 5524615 (1996-06-01), Power
patent: 5531221 (1996-07-01), Power et al.
patent: 5666945 (1997-09-01), Davenport
patent: 5797393 (1998-08-01), Kohl
Drager Inc. Critical Care Systems--Minimum Pressure Ventilation brochure.
Newport Medical Instruments, Inc.--Newport Wave VM200 brochure; Feb. 1995.
Newport Medical Instruments, Inc.--The Newport Breeze EI50 Ventilator brochure; Mar. 1996.
Allied Healthcare Products, Inc.--The Bear 1000 Ventilator with Smart Trigger brochure; 1996.
Healthdyne Technologies--Quantum PSV brochure.
Bird Products Corporation--TBird AVS Advanced Ventilatory System brochure; Jan. 1996.
Healthdyne International--Quantum PSV brochure.
Respironics Inc.--BiPAP Vision System brochure; 1996.
Lifecare International, Inc.--PLV-102 brochure; Jan. 1995.
Air Liquide Healthcare--Taema Monnal DCC brochure.
Bird Products Corporation--TBird VS TBird VSO.sub.2 Ventilatory System brochure; Jan. 1996.

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