Patent ID: 11951354
Assignee: UNIVERSITY OF CINCINNATI
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A positive expiratory pressure-generating device for reducing breathlessness in a subject with one or more pulmonary disorders comprising a rigid hollow device that is configured to be held in a mouth of the subject, the rigid hollow device having at least one air chamber, at least one opening in the portion of the rigid hollow device that is configured to be held in the mouth and at least one additional airflow orifice; wherein the rigid hollow device is configured to increase expiratory resistance and further, is configured to be supported by the mouth of the subject without the need for additional support by hands or another device, additionally, wherein the rigid hollow device has a width and a height, and the width is at least twice the height of the rigid hollow device, and further, wherein the rigid hollow device is a solid molded piece with no additional parts or moving parts and wherein the at least one air chamber has a conical shape and has a volume of at least 3 cubic centimeters.