PATIENT INTERFACE AND ASPECTS THEREOF

摘要

A ballooning patient interface has a frame that supports a sealing member. The frame and/or the sealing member is secured to the head of a user with headgear, such as a strap. Various features of the sealing member improve comfort for the user in the nares of the users as well as on facial surfaces in contact with the sealing member.

主权项

1. A nasal seal configured to be removably coupled to a frame of a patient interface, the nasal seal comprising:
a seal body formed of a soft flexible material and defining an inner cavity and one or more delivery openings for supply of breathing gases from the inner cavity to the patient; wherein the seal body comprises a central portion and a side portion extending from each end of the central portion, the seal body further comprising an interior side and an exterior side, wherein the interior side of the central portion is configured to extend across a base of a user's nose and the interior side of each of the side portions is configured to extend across a side of the nose, wherein the interior side of the seal is supple and configured to conform under internal pressure to surfaces of the user's nose, including, at the side portions of the seal, to outside surfaces of the side of the nose, wherein each of the side portions defines a transition portion between the exterior side and the interior side, wherein the exterior side of each of the side portions comprises stiffened regions that are stiffer or much stiffer than the supple interior side, the stiffened regions extending to or substantially to the transition portions.