Patent
Manifold nebulizer system
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TLDR
A manifold nebulizer system for use in a breathing circuit is described in this article, which consists of a vial to contain liquid and has structure for producing an aerosol of liquid particles for entrainment in a stream of gas.Abstract:
A manifold nebulizer system for use in a breathing circuit. The system includes a nebulizer module and an exhaust module. The nebulizer module consists of a vial to contain liquid and has structure for producing an aerosol of liquid particles for entrainment in a stream of gas. The exhaust module has a valve for facilitating inhalation of the aerosol by the patient and removal of exhaled gases received from the patient. Adjustable surfaces are on the modules to permit relative movement therebetween. In this manner, the manifold nebulizer is capable of assembly into a multiplicity of flow line arrangements and positions.read more
Citations
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References
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Patent
Intermittent positive pressure breathing manifold
TL;DR: In this paper, an improved intermittent positive pressure breathing manifold was proposed, which consists of a substantially vertical main tube having open upper and lower ends, a diaphragm adjacent the upper main tube opening for intermittent closing thereof and which diaphrasm is in sealing engagement with an upper cap portion located above the main tube, an exhalation port adjacent at the upper manifold end and in communication with the lower manifold opening.
Patent
Manual positive pressure breathing device
Forrest M Bird,Henry L Pohndorf +1 more
TL;DR: BIRD and POHNDORF as mentioned in this paper described a venturi assembly consisting of a passage 27 having at one end passages 31 open to the atmosphere and a jet nozzle 29 directed along passage 27 and adapted to be connected to a source of gas under pressure, a housing 23 having a flow passage 52 connected and aligned with passage 27, said housing having an exhalation port 53 which has a seat 56 adapted to receive a manually operated valve member 54 having a conical surface 57 which closes the exhaation port, and a mouthpiece 24 having flow passage 78 in alignment
Patent
Respiration assembly and methods
Joseph W Lindsey,Larry O Murphy +1 more
TL;DR: In this article, the exhalation valve is closed by distending an expandable bladder under pressure, and the aerosol is further broken up by a baffle, disposed immediately downstream of the orifice within the cup reservoir.