Patent ID: 9205217
Filing Date: 2015-12-08
Classification: A61M,Y10S

Abstract:
1. An oscillatory positive expiratory pressure therapy device, comprising: a housing; an air-flow tube having a path of air flow movement from an inlet opening for receiving expiratory air passed thereto by a user receiving respiratory therapy, through an outlet opening for discharging the expiratory air passed through said inlet opening; said air-flow tube including expiratory air responsive closure means positioned in said path of air flow movement and actuable between an open position and a closed position in response to the pressure of expiratory air passed thereto; said expiratory air responsive closure means including a normally closed non-linear discharge outlet which is opened in response to the presence of a predetermined pressure of expiratory air being passed in said path of air flow movement, and which closes in response to a predetermined varying reduction in the effective discharge area of said non-linear discharge outlet causing the rate of air pressure through said discharge outlet to decrease through said non-linear discharge opening; said expiratory air responsive closure means further including an acceleratable closure member movable to close said discharge outlet in response to a reduction in the flow rate of expiratory air in said path of air flow movement between a closed position blocking the flow of expiratory air and an open position creating a periodic oscillatory positive expiratory air pressure flow of expiratory air in said path of air flow movement; nebulizer coupling means for connecting a nebulizer into fluid communication with said air-flow path from said inlet opening to the user; said nebulizer coupling means being formed in said air-flow tube in fluid communication between said inlet opening into said air-flow tube through which inspiratory air is received there into and said outlet opening for discharging expiratory air; and wherein said air-flow tube, said inlet opening, said expiratory air responsive closure means, said nebulizer coupling means, and a one-way valve are located within the housing.