Ventilation interface for sleep apnea therapy

Details Ventilation interface for sleep apnea therapy Ventilation interface for sleep apnea therapy

2007-03-13

2007-03-13

Mitchell, Teena (Department: 3743)

Surgery

Respiratory method or device

Respiratory gas supply means enters nasal passage

C128S206110

Reexamination Certificate

active

10940989

ABSTRACT:
The ventilation interface for sleep apnea therapy interfaces a ventilation device to the patient's airways. The ventilation interface includes a pair of nasal inserts made from flexible, resilient silicone which are oval shaped in cross-section and slightly tapered from a base proximal the ventilation supply to the distal tip end. A bead flange is disposed about the exterior of each insert at the distal end of the insert. A bleed port for release of exhaled air is defined through a conical vent projecting normally to the path of the incoming air flow, and continues through a nipple extending to the exterior of the air conduit. In one embodiment, a pair of nasal inserts are integral with a nasal cannula body, with bleed ports axially aligned with each insert. In another embodiment, each insert is independently connected to a separate, thin-walled, flexible supply line.

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Snapp Nasal Interface, Tiara Medical Systems, Inc. http://www.tiaramed.com/asp—shop/shopdisplayproducts.asp?id=109&cat=SNAPP%2A+Nasal+Interface, viewed May 17, 2005.

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