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A male external incontinence device comprising a drainage tube assembly having a proximal chamber in fluid communication with a drainage tube, the proximal chamber comprising an atmospheric equilibrium valve assembly. The atmospheric equilibrium valve assembly has an airway conduit with a upper port

A male external incontinence device comprising a drainage tube assembly having a proximal chamber in fluid communication with a drainage tube, the proximal chamber comprising an atmospheric equilibrium valve assembly. The atmospheric equilibrium valve assembly has an airway conduit with a upper portion in fluid communication with the proximal chamber, and a lower portion having an air inlet chamber. 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 an apex, the apex having a self-sealing slit.

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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 substantial

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; anda 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; anda 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.