Incentive spirometer
OwnerClyde Shumaninventor
Life of this patent
Estimating the term…
Abstract
A volume-type incentive spirometer for respiration therapy is disclosed. The spirometer includes a central tubular support on which is mounted a collapsible bellows-like chamber. Fluid communication is provided between the support and the interior of the chamber and, further, between the support and a patient. The collapsible chamber includes a top plate by which the chamber is mounted on the support, a bottom plate for biasing the collapsible chamber to an open position, and an intervening flexible, readily collapsible side wall joining the top and bottom plates. The collapsible chamber or the collapsible chamber and support member may be disposable. The spirometer provides respiratory exercise so that alveolar inflation is assured.
Claims16
A spirometer assembly comprising an elongate support;
- a hollow, collapsible, substantially fluid-tight chamber;
- means for mounting the chamber on the support in surrounding relationship thereto;
- means for biasing the collapsible chamber toward an open position when the collapsible chamber is mounted on the support;
- and means for providing fluid communication between the interior of the collapsible chamber and a patient when the collapsible chamber is biased toward an open position and between the patient and ambient when the collapsible member is in substantially a fully collapsed condition.
An incentive spirometer comprising
- a tubular support member forming a fluid conduit,
- a collapsible, substantially fluid-tight chamber, said chamber including a first end wall, means on the first end wall for securing the collapsible chamber on the support member, a second end wall having an aperture slidably receiving the support member, and a continuous, flexible side wall joining the first end wall to the second end wall,
- means for providing fluid communication between the interior of the tubular support member and the interior of the collapsible chamber whereby a reduction in fluid pressure within the support member results in a reduction of fluid pressure within the collapsible chamber, and
- means for providing fluid communication between the interior of the tubular support member and a patient when the collapsible chamber is biased toward an open position and between the patient and ambient when the collapsible chamber is in a substantially fully collapsed condition.
A spirometer assembly comprising an elongate support;
- a hollow, collapsible, substantially fluid-tight chamber;
- means for mounting the chamber on the support in surrounding relationship thereto;
- means for biasing the collapsible chamber toward an open position when the collapsible chamber is mounted on the support;
- means for providing fluid communication between the interior of the collapsible chamber and a patient when the collapsible chamber is biased toward an open position and between the patient and ambient when the collapsible chamber is in substantially a fully collapsed condition;
- and stop means movably mounted on said support to limit the open position of the collapsible chamber and for setting the starting volume of the collapsible chamber.
Dependencies are inferred from the claim text.