Sealed back pressure breathing device

• US 6,510,846 B1
• Filed: 10/26/2000
• Issued: 01/28/2003
• Est. Priority Date: 12/23/1999
• Status: Expired due to Fees

• Current Assignee: Oʼrourke, Sam
• Original Assignee: Oʼrourke, Sam
• Inventors: OʼRourke, Sam
• Primary Examiner(s): Lewis, Aaron J.
• Assistant Examiner(s): MITCHELL, TEENA KAY
• Application Number:
  US09/699,226
• Time in Patent Office: 824 Days
• Field of Search: 128/200.21, 128/200.24, 128/203-2-2, 128/203-6-2, 128/203.26, 128/203.28, 128/204.14, 128/205.24, 600/538-540, 600/541, 482/13, 137/907, 137/908, 137/493.2
• US Class Current: 128/200.21
• CPC Class Codes: A61M 11/06 of the injector type
• CPC Class Codes: A61M 15/00 Inhalators drug delivery in endotracheal tubes A61M16/04
• CPC Class Codes: A61M 15/0015 located upstream of the dispenser, i.e. not traversed by the product
• CPC Class Codes: A61M 15/0018 with exhalation check valves
• CPC Class Codes: A61M 15/0086 Inhalation chambers
• CPC Class Codes: A61M 16/06 Respiratory or anaesthetic masks
• CPC Class Codes: A61M 16/08 Bellows; Connecting tubes having means for taking samples G01N1/22; Water traps; Patient circuits
• CPC Class Codes: A61M 16/0833 T- or Y-type connectors, e.g. Y-piece
• CPC Class Codes: A61M 16/208 Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves
• CPC Class Codes: A61M 16/209 Relief valves

Abstract

A hand-held breathing device for use by patients having respiratory problems creates a sealed backpressure in the airways of the patient by creating resistance to exhalation. A peep valve is mounted inside a hollow body, and a pre-set compression spring is mounted between the valve and an adjustable cap or cam lever in the main body of the device. A pair of valve openings extend through the wall of the main body, one opening serving as an intake port for inhaling of air by the patient and the second port—for exhalation of carbon dioxide. An intake valve is mounted inside the body between a normally open end of the device and the exhalation valve. In one of the embodiments, the device is attached to a nebulizer to facilitate buildup of positive pressure and delivery of medication to the patients'"'"' lungs.

Claims

1. A sealed back pressure device for assisting a respiratory function of a patient, comprising:

an elongated hollow body having a first normally open end, a second normally closed end, an intake port and an exhalation port;

a one-way exhalation valve mounted inside the hollow body for allowing exhaust gas to be exhaled through the exhalation port;

a compression spring mounted between the exhalation valve and the closed end for regulating resistance to gas flow being exhaled by the patient;

a means mounted on the second end of the hollow body for adjusting compression of the spring; and

an intake valve mounted between said open end and said exhalation valve.

2. The device of claim 1, wherein said intake valve comprises a rubber gasket.

4. The device of claim 2, wherein an adjustable cam lever is mounted on said piston for adjusting resistance to an exhalation gas flow.

3. A sealed back pressure device for assisting a respiratory function of a patient, comprising:

an elongated hollow body having a fist normally open end, a second normally closed end, an intake port and an exhalation port;

a one-way exhalation valve mounted inside the hollow body for allowing exhaust gas to be exhaled through the exhalation port;

a compression spring mounted between the exhalation valve ad the closed end for regulating resistance to gas flow being exhaled by the patient; and

a means mounted on the second end of the hollow body for adjusting compression of the spring, said adjusting means comprising a sliding piston movable inside said hollow body, said piston providing au abutment surface for said compression spring.

5. The device of claim 3, wherein said cam lever is adjustable to maintain a positive back pressure in the range of between 5 and 10 centimeters of water.

6. A sealed back pressure device for assisting respiratory functions of a patient, comprising:

an elongated hollow body having a first normally open end, a second normally closed end, an intake port and an exhalation port;

a one-way exhalation valve carried by a supporting bracket and mounted inside the hollow body for allowing exhaust gas to be exhaled through the exhalation port;

a compression spring mounted between the exhalation valve and the closed end for maintaining a positive back pressure and regulating resistance to gas flow being exhaled by the patient;

a means mounted on the second end of the hollow body for adjusting compression of the spring, said adjusting means comprising a cap detachably mounted on the second end, said cap providing a first abutting surface for said compression spring, said support bracket providing a second abutting surface for said compression spring; and

an intake valve mounted between said open end and said exhalation valve.

7. A seated back pressure device for assisting respiratory functions of a patient, comprising:

an elongated hollow body having a first normally open end, a second normally closed end, an intake port and an exhalation port;

a one-way exhalation valve carried by a supporting bracket and mounted inside the hollow body for allowing exhaust gas to be exhaled through We exhalation port;

a compression spring mounted between the exhalation valve and the closed end for maintaining a positive back pressure and regulating resistance to gas flow being exhaled by the patient; and

a means mounted on the second end of the hollow body for adjusting compression of the spring, said adjusting means comprising a sliding piston movable inside said hollow body, said piston providing a first abutment surface for said compression spring and said support bracket providing a second abutting surface for said compression spring, and wherein an adjustable cam lever is mounted on said piston for adjusting resistance to an exhalation gas flow.

8. The device of claim 7, wherein said cam lever is adjustable to maintain a positive back pressure in the range of between 5 and 10 centimeters of water.