A medical device, comprising: a plurality of elongated elements arranged in such a way that they define the frame of a medical device, the frame including a proximal ear, next to the first longitudinal end of the device, a distal eye, next to the second longitudinal end of the device, a proximal flask and a distal flask, wherein the proximal flask and the distal flask are each located between the first ear and the second ear, the distal flask including a plurality of petals; a sealing element that covers at least part of the frame of the medical device; and at least one anchor attached to at least one of the petals of the distal bulb, wherein at least one anchor includes a first segment and a second segment, wherein at least a portion of the first segment is oriented substantially parallel to a portion of the second segment, wherein the first segment and the second segment converge at the loop-shaped end of at least one anchor. 2. The device according to claim 1, wherein each petal of the plurality of petals includes at least one anchor. The device according to claim 1, wherein at least one petal of the plurality of petals includes at least two anchors. The device according to claim 1, wherein at least one petal of the plurality of petals does not include anchors. The device according to claim 1, wherein each petal of the plurality of petals includes at least one anchor. The device according to claim 1, in which at least one anchor is covered with a sealing element. The device according to claim 1, in which the sealing element contains polytetrafluoroethylene. Us1. Медицинское устройство, содержащее:множество удлиненных элементов, расположенных таким образом, что они определяют раму медицинского устройства, причем рама включает в себя проксимальное ушко, рядом с первым продольным концом устройства, дистальное ушко, рядом со вторым продольным концом устройства, проксимальную колбу и дистальную колбу, при этом проксимальная колба и дистальная колба, каждая, расположен