1. Interface element (10, 12, 16, 84, 104, 114) the user to deliver breathing gas to the user, comprising: a first opening for receiving a first gas stream and one or more second holes for discharging the second gas stream from the user interface element, first aperture and one or more second apertures are located relative to each other such that during use the user interface element of the second gas stream: (i) flows around and cools the skin surface and the user exits the interface element pol ovatelya through one or more second holes, and / or (ii) displays at least 85% of the CO present in the inner space of the interface the user element of the interface the user element via one or more second holes, the second gas stream is greater than or is 0.1% of intentional leakage flux user interface element, the user does not perform a breath during use the user interface element, but less than or equal to 10% of the flow deliberate leakage interface floor element zovatelya when the user does not perform a breath while using the interface polzovatelya.2 element. User interface element according to Claim. 1, wherein the user interface element includes a shell element (14) adapted to receive a liner, wherein the shell elements are provided in the first opening and one or more second otverstiy.3. User interface element according to claim. 2, wherein the shell element includes one or more flow-through segments (44), wherein each of the flow segments includes a chamber having WMOs1. Интерфейсный элемент (10, 12, 16, 84, 104, 114) пользователя для доставки дыхательного газа пользователю, содержащий:первое отверстие для приема первого потока газа и одно или более вторых отверстий для выпуска второго потока газа из интерфейсного элемента пользователя, при этом первое отверстие и одно или более вторых отверстий расположены относительно друг друга так, что во время использования интерфейсного элемента пользователя второй поток газа: (i) обтекает и охлаждает поверхность кожи поль
