Patent
Lung exerciser with variable resistance
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TLDR
In this paper, a device consisting of an adjustable volume bellows made of inexpensive materials to be used as a visual indicator and volume measurement to encourage a patient to breath deeply as an exercise is provided.Abstract:
A device consisting of an adjustable volume bellows made of inexpensive materials to be used as a visual indicator and volume measurement to encourage a patient to breath deeply as an exercise is provided. Means for adding calibrated weight to vary resistance is also provided.read more
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Portable personal breathing apparatus
TL;DR: In this paper, a breathing apparatus has a main body with a generally cylindrical inner cavity, and an inner cylinder with an open end adjacent the main body, and at least two sets of inner openings selectively matable with the openings in the body.
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Portable respiratory exercise apparatus and method for using the same
TL;DR: A breathing apparatus has a main body with a generally cylindrical inner cavity, and at least two sets of outer openings for the user to breath into as mentioned in this paper, and the inner cylinder is coaxially disposed within the inner cavity of the main body.
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Portable personal breathing apparatus and method of using same
TL;DR: In this paper, a breathing apparatus has a main body with a generally cylindrical inner cavity, and an inner cylinder with an open end adjacent the main body, and at least two sets of inner openings selectively matable with the openings in the body.
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TL;DR: In this paper, a bag capable of expanding and contracting, a pipe connected to the bag for allowing air to be blown into the bag, and a check valve provided at an outlet hole of the pipe.
References
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Bellows type incentive spirometer
TL;DR: A spirometer is an upright, hollow frame structure having opposite end portions with an expansible and contractible bellows, which is responsive to exhalation and inhalation as mentioned in this paper, and includes a hollow, resilient helical structure with a plurality of coils respectively having relatively broad upper and lower surfaces.
Patent
Collapsible respiratory exerciser
TL;DR: A collapsible respiratory exercising device for measuring the volume of air inhaled by the user is described in this paper, which consists of a rigid upper plate, an orifice through the plate and an inhalation tube connected to the orifice, a tubular bellows attached beneath the plate, a lower plate attached to the lowermost end of the Bellows which has sufficient mass to cause the bellows to fully expand.
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Disposable pulmonary function kit
TL;DR: A disposable pulmonary function kit for use in post-surgical lung exercise and in testing lung capacity by exhaling into an inflatable bag having an input tube with valve means which, in one embodiment, is manually operable to close off the bag as discussed by the authors.
Patent
Volumetric respiratory exerciser and kit for assembling such an exerciser
TL;DR: A volumetric respiratory exerciser as discussed by the authors comprises a bellows enclosure 20 with opposed end plates 32 and 34 defining a closed chamber of variable volume, expandable and retractable between the expanded configuration shown and a retracted configuration.