Cushion and cushion to frame assembly mechanism for patient interface
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A62B-018/02
A61M-016/06
출원번호
US-0081696
(2008-04-18)
등록번호
US-8869797
(2014-10-28)
발명자
/ 주소
Davidson, Aaron Samuel
Hitchcock, Robin Garth
Lynch, Susan Robyn
D'Souza, Errol Savio Alex
Eves, Matthew
Worboys, David John
출원인 / 주소
ResMed Limited
대리인 / 주소
Nixon & Vanderhye, P.C.
인용정보
피인용 횟수 :
13인용 특허 :
451
초록▼
A full-face cushion for a patient interface that delivers breathable gas to a patient includes a frame connector adapted to attach the cushion to a mask frame and an interface provided to the frame connector. The interface is constructed of foam and defines a cushion cavity. The interface includes a
A full-face cushion for a patient interface that delivers breathable gas to a patient includes a frame connector adapted to attach the cushion to a mask frame and an interface provided to the frame connector. The interface is constructed of foam and defines a cushion cavity. The interface includes a foam contact surface adapted to interface or contact with surfaces of the patient's face in use.
대표청구항▼
1. A full-face cushion for a patient interface that delivers breathable gas to a patient, the cushion comprising different regions including nasal bridge, cheek and chin regions, the cushion being adapted to be connected to a frame, the full-face cushion comprising: a membrane including nasal bridge
1. A full-face cushion for a patient interface that delivers breathable gas to a patient, the cushion comprising different regions including nasal bridge, cheek and chin regions, the cushion being adapted to be connected to a frame, the full-face cushion comprising: a membrane including nasal bridge, cheek and chin regions to form a continuous seal against the patient's face;a support structure configured to connect the cushion to the frame and support the membrane, the support structure including: a lower portion;an upper portion extending, in at least one cross-sectional view, from the lower portion and laterally outwardly, with respect to the lower portion, the upper portion forming an angle with respect to the lower portion; andan underlying cushion to provide support to the membrane, the underlying cushion extending from the upper portion,wherein the membrane extends from the upper portion and covers, in a front view, the underlying cushion,wherein an entirety of the upper portion extending between the lower portion and the membrane forms a substantially linear extension that extends laterally outwardly continuously from the lower portion to the membrane, andwherein the angle in the nasal bridge region is different than the angle in the cheek regions of the cushion to vary a spring characteristic of the support structure in the nasal bridge region and the cheek regions of the cushion. 2. The full-face cushion according to claim 1, wherein the membrane is connected directly with the support structure and extends from the support structure, in at least one cross-sectional view, in a curved manner. 3. The full-face cushion according to claim 2, wherein the membrane delimits an opening adapted to at least partially receive the patient's nose and mouth. 4. The full-face cushion according to claim 3, wherein the membrane has a thickness that is smaller than a thickness of the support structure. 5. The full-face cushion according to claim 4, wherein the upper portion is configured to resiliently displace as a result of the cushion being positioned on the patient's face due to the spring characteristic of the support structure. 6. The full-face cushion according to claim 5, wherein a length of the upper portion varies in the different regions of the cushion. 7. The full-face cushion according to claim 6, wherein the upper portion is not part of a gusset. 8. The full-face cushion according to claim 7, wherein the lower portion is configured to connect to the frame. 9. A full-face cushion for a patient interface that delivers breathable gas to a patient, the cushion comprising different regions including nasal bridge, cheek and chin regions, the cushion being adapted to be connected to a frame, the full-face cushion comprising: a membrane including nasal bridge, cheek and chin regions to form a continuous seal against the patient's face;a support structure configured to connect the cushion to the frame and support the membrane, the support structure including: a lower portion;an upper portion extending, in at least one cross-sectional view, laterally outwardly from the lower portion, the upper portion forming an angle with respect to the lower portion; andan underlying cushion to provide support to the membrane, the underlying cushion extending from the upper portion,wherein the membrane extends from the upper portion and covers at least part of the underlying cushion,wherein an entirety of the upper portion extending between the lower portion and the membrane forms a substantially linear extension that extends laterally outwardly continuously from the lower portion to the membrane,wherein a length of the upper portion varies in the different regions of the cushion to vary a stiffness of the cushion in the different regions. 10. The full-face cushion according to claim 9, wherein the membrane is connected directly with the support structure and extends from the support structure in a curved manner. 11. The full-face cushion according to claim 10, wherein the membrane delimits an opening adapted to at least partially receive the patient's nose and mouth. 12. The full-face cushion according to claim 11, wherein the membrane has a thickness that is smaller than a thickness of the support structure. 13. The full-face cushion according to claim 12, wherein the upper portion is configured to resiliently displace as a result of the cushion being positioned on the patient's face due to a spring characteristic of the support structure. 14. The full-face cushion according to claim 13, wherein the angle in the nasal bridge region is different than the angle in the cheek regions of the cushion. 15. The full-face cushion according to claim 14, wherein the angle varies in the different regions of the cushion. 16. The full-face cushion according to claim 15, wherein the upper portion is not part of a gusset. 17. The full-face cushion according to claim 16, wherein the lower portion is configured to connect to the frame.
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이 특허에 인용된 특허 (451)
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