TRAY PATCH WITH SIDE STABILISERS Russian patent published in 2018 - IPC A61M16/06 

FIELD: medicine.

SUBSTANCE: tray patch for the patient interface device comprises a central portion of the sealing body defining an inner chamber. The upper wall of the central portion includes a central sealing surface adapted to engage the septum and the lower portion of each nostril of the patient, the first stabilising surface and the second stabilising surface. Each of the first and second stabilising surfaces extends upward and outward relative to the central sealing surface and the upper edge of the front wall in the direction from the bottom wall and is configured to be wrapped around the outside of the corresponding one of the patient's nostrils and engage by its parts with the outside of the corresponding one of the patient's nostrils when the patient wears the interface device. The first stabilising surface comprises the first edge portion of the front side. The second stabilising surface comprises the second edge portion of the front side, the upper edge of the front wall, the first edge portion of the front side and the second edge portion of the front side jointly forming a front opening of the central portion of the sealing body. The patient interface device and the system for respiratory gas flow delivery to the patient are disclosed.

EFFECT: ensured reliable sealing when using the respiratory interface.

17 cl, 17 dwg