Incontinence device with atmospheric equilibrium valve assembly

1. A drainage tube assembly for an external incontinence device, the drainage tube assembly comprising:

a drainage tube with an atmospheric equilibrium valve assembly disposed exterior to the drainage tube, the atmospheric equilibrium valve assembly comprising:

an airway conduit disposed substantially parallel to the drainage tube, the airway conduit having an upper portion in fluid communication with the drainage tube, and a lower portion having an air inlet chamber disposed in direct fluid communication with air external to the drainage tube assembly; and

a one-way air valve disposed in the airway conduit above the air inlet chamber, the one-way air valve comprising a first pair of opposing walls disposed at a first set of opposing angles such that the first pair of opposing walls abut each other at a first apex, the first apex having a self-sealing slit.

2. The assembly of claim 1 , wherein the first pair of opposing walls comprise material having a durometer of about 65 Shore A, and each wall of the first pair of opposing walls has a thickness that ranges from about 0.010 inches to about 0.020 inches.

3. The assembly of claim 2 , wherein each angle of the first set of opposing angles is in the range of about 23° to about 25° in a plane approximately perpendicular to the self-sealing slit.

4. The assembly of claim 3 , further comprising a second pair of opposing walls, the second pair of opposing walls disposed at a second set of opposing angles, each angle of the second set of opposing angles being in the range of about 11° to about 13° in a plane approximately parallel to the self-sealing slit.

5. The assembly of claim 3 , further comprising an anti-reflux valve disposed at the bottom of the drainage tube, the anti-reflux valve comprising a first pair of anti-reflux walls disposed at a third set of opposing angles, each angle of the third set of opposing angles being in the range of about 21° to about 23°, such that the first pair of anti-reflux walls abut each other at a second apex, the second apex having a self-sealing anti-reflux slit.

6. The assembly of claim 1 , wherein each angle of the first set of opposing angles is in the range of about 23° to about 25° in a plane approximately perpendicular to the self-sealing slit.

7. The assembly of claim 6 , further comprising a second pair of opposing walls, the second pair of opposing walls disposed at a second set of opposing angles, each angle of the second set of opposing angles being in the range of about 11° to about 13° in a plane approximately parallel to the self-sealing slit.

8. The assembly of claim 7 , further comprising an anti-reflux valve disposed at the bottom of the drainage tube, the anti-reflux valve comprising a first pair of anti-reflux walls disposed at a third set of opposing angles, each angle of the third set of opposing angles being in the range of about 21° to about 23°, such that the first pair of anti-reflux walls abut each other at a second apex, the second apex having a self-sealing anti-reflux slit.

9. The assembly of claim 1 , further comprising a second pair of opposing walls, the second pair of opposing walls disposed at a second set of opposing angles, each angle of the second set of opposing angles being in the range of about 11° to about 13° in a plane approximately parallel to the self-sealing slit.

10. The assembly of claim 1 , further comprising an anti-reflux valve disposed at the bottom of the drainage tube, the anti-reflux valve comprising a first pair of anti-reflux walls disposed at a third set of opposing angles, each angle of the third set of opposing angles being in the range of about 21° to about 23°, such that the first pair of anti-reflux walls abut each other at a second apex, the second apex having a self-sealing anti-reflux slit.

11. A drainage tube assembly for an external incontinence device, the drainage tube assembly comprising:

a proximal chamber in fluid communication with a drainage tube, the proximal chamber having a frustoconical shape and comprising an atmospheric equilibrium valve assembly disposed exterior to the proximal chamber, the atmospheric equilibrium valve assembly comprising:

an airway conduit disposed substantially parallel to the drainage tube, the airway conduit having an upper portion in fluid communication with the proximal chamber via an interface having a beveled orientation in relation to the airway conduit, and a lower portion having an air inlet chamber disposed in direct fluid communication with air external to the drainage tube assembly; and

a one-way air valve disposed in the airway conduit above the air inlet chamber, the one-way air valve comprising a first pair of opposing walls disposed at a first set of opposing angles such that the first pair of opposing walls abut each other at a first apex, the first apex having a self-sealing slit.

12. The assembly of claim 11 , wherein the first pair of opposing walls comprise material having a durometer of about 65 Shore A, and each wall of the first pair of opposing walls has a thickness that ranges from about 0.010 inches to about 0.020 inches.

13. The assembly of claim 12 , wherein each angle of the first set of opposing angles is in the range of about 23° to about 25° in a plane approximately perpendicular to the self-sealing slit.

14. The assembly of claim 13 , further comprising a second pair of opposing walls, the second pair of opposing walls disposed at a second set of opposing angles, each angle of the second set of opposing angles being in the range of about 11° to about 13° in a plane approximately parallel to the self-sealing slit.

15. The assembly of claim 13 , further comprising an anti-reflux valve disposed at the bottom of the drainage tube, the anti-reflux valve comprising a first pair of anti-reflux walls disposed at a third set of opposing angles, each angle of the third set of opposing angles being in the range of about 21° to about 23°, such that the first pair of anti-reflux walls abut each other at a second apex, the second apex having a self-sealing anti-reflux slit.

16. The assembly of claim 11 , wherein each angle of the first set of opposing angles is in the range of about 23° to about 25° in a plane approximately perpendicular to the self-sealing slit.

17. The assembly of claim 16 , further comprising a second pair of opposing walls, the second pair of opposing walls disposed at a second set of opposing angles, each angle of the second set of opposing angles being in the range of about 11° to about 13° in a plane approximately parallel to the self-sealing slit.

18. The assembly of claim 17 , further comprising an anti-reflux valve disposed at the bottom of the drainage tube, the anti-reflux valve comprising a first pair of anti-reflux walls disposed at a third set of opposing angles, each angle of the third set of opposing angles being in the range of about 21° to about 23°, such that the first pair of anti-reflux walls abut each other at a second apex, the second apex having a self-sealing anti-reflux slit.

19. The assembly of claim 11 , further comprising a second pair of opposing walls, the second pair of opposing walls disposed at a second set of opposing angles, each angle of the second set of opposing angles being in the range of about 11° to about 13° in a plane approximately parallel to the self-sealing slit.

20. The assembly of claim 11 , further comprising an anti-reflux valve disposed at the bottom of the drainage tube, the anti-reflux valve comprising a first pair of anti-reflux walls disposed at a third set of opposing angles, each angle of the third set of opposing angles being in the range of about 21° to about 23°, such that the first pair of anti-reflux walls abut each other at a second apex, the second apex having a self-sealing anti-reflux slit.