Exhalation valve assembly

• US 20050098177A1
• Filed: 11/12/2003
• Published: 05/12/2005
• Est. Priority Date: 11/12/2003
• Status: Abandoned Application

• Current Assignee: VersaMed Medical Systems (General Electric Company)
• Original Assignee: VersaMed Medical Systems (General Electric Company)
• Inventors: Shahar, Mark, Haj-Yahya, Sajed
• Application Number:
  US10/704,588
• Publication Number:
  US 20050098177A1
• Time in Patent Office: Days
• US Class Current: 128/204.18
• CPC Class Codes: A61M 16/0833 T- or Y-type connectors, e.g. Y-piece
• CPC Class Codes: A61M 16/201 Controlled valves
• CPC Class Codes: A61M 16/206 Capsule valves, e.g. mushroom, membrane valves
• CPC Class Codes: A61M 16/208 Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves

Abstract

Breathing apparatus including an exhalation tube and an outlet port in fluid communication with the exhalation tube, where the outlet port includes an outlet lip that is not uniformly flat in any cutting plane.

Claims

1. Breathing apparatus comprising:

an exhalation tube; and

an outlet port in fluid communication with said exhalation tube, wherein said outlet port includes a crenelated outlet lip.

2. Breathing apparatus according to claim 1 wherein said outlet lip comprises at least one rectangular merlon.

3. Breathing apparatus according to claim 1 wherein said outlet lip comprises at least one rounded merlon.

4. Breathing apparatus according to claim 1 wherein said outlet lip comprises at least one saw-toothed merlon.

5. Breathing apparatus according to claim 1 wherein said outlet port comprises a wall having at least one aperture formed therein.

6. Breathing apparatus according to claim 1 and further comprising an exhalation valve intermediate said exhalation tube and said outlet port.

7. Breathing apparatus according to claim 6 wherein said exhalation valve is in fluid communication with said exhalation tube via an inlet port.

8. Breathing apparatus according to claim 6 wherein said exhalation valve is in fluid communication with said outlet port.

9. Breathing apparatus according to claim 1 wherein said outlet port comprises a wall having at least one aperture formed therein.

10. Breathing apparatus comprising:

an exhalation tube; and

an exhalation valve in fluid communication with said exhalation tube via an inlet port and having an outlet port, wherein said outlet port includes a crenelated outlet lip.

11. Breathing apparatus according to claim 10 wherein said outlet lip comprises at least one rectangular merlon.

12. Breathing apparatus according to claim 10 wherein said outlet lip comprises at least one rounded merlon.

13. Breathing apparatus according to claim 10 wherein said outlet lip comprises at least one saw-toothed merlon.

14. Breathing apparatus according to claim 10 wherein said outlet port comprises a wall having at least one aperture formed therein.

15. Breathing apparatus comprising:

an exhalation tube; and

an outlet port in fluid communication with said exhalation tube, wherein said outlet port includes an outlet lip that is not uniformly flat in any cutting plane.

16. Breathing apparatus according to claim 15 wherein said outlet port comprises a wall having at least one aperture formed therein.

17. Breathing apparatus according to claim 15 and further comprising an exhalation valve intermediate said exhalation tube and said outlet port.

18. Breathing apparatus according to claim 17 wherein said exhalation valve is in fluid communication with said exhalation tube via an inlet port.

19. Breathing apparatus according to claim 17 wherein said exhalation valve is in fluid communication with said outlet port.

20. Breathing apparatus according to claim 15 wherein said outlet port comprises a wall having at least one aperture formed therein.