Cushion cover and patient interface device using same
US-2018169366-A1 · Jun 21, 2018 · US
Mask
US11471633B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11471633-B2 |
| Application number | US-201916564487-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 9, 2019 |
| Priority date | Sep 27, 2018 |
| Publication date | Oct 18, 2022 |
| Grant date | Oct 18, 2022 |
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- Title
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- Abstract
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- Assignees and inventors
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- Key dates
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- First independent claim
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- CPC / IPC classifications
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- Citations and related patents
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Abstract
Official abstract text for this publication.
A mask includes: a mask body configured to define a space that covers at least one of a nose and a mouth of a subject; and a cushion member extending along a peripheral edge portion of the mask body. The cushion member includes: a first region that includes a portion that contacts a face of the subject when fitted; and a second region positioned between the first region and the mask body. A surface of the first region has a higher non-adhesive property than a surface of the second region, and the second region has transparency that allows the space to be seen through.
First claim
Opening claim text (preview).
What is claimed is: 1. A mask, comprising: a mask body configured to define a space that covers at least one of a nose and a mouth of a subject; and a cushion member extending along a peripheral edge portion of the mask body, the cushion member including: a first region that includes a portion that is configured to contact a face of the subject when fitted; and a second region positioned between the first region and the mask body, wherein the first region of the cushion member has an uneven surface that is wrinkled so that the first region has a higher non-adhesive property than a surface of the second region, and the second region has transparency that allows the space to be seen through the second region. 2. The mask according to claim 1 , wherein the portion of the first region is configured to be in a point contact with the face of the subject when fitted. 3. The mask according to claim 1 , wherein the uneven surface of the first region is coated with fluorine. 4. The mask according to claim 1 , wherein the first region and the second region are an integrally molded product made of silicon or vinyl chloride. 5. The mask according to claim 1 , wherein the second region comprises: a side wall portion that separates an inside and an outside of the mask at a position configured to be closer to the face of the subject than the mask body; and a fitting portion that is fitted to the peripheral edge portion of the mask body. 6. The mask according to claim 1 , wherein the mask body has higher rigidity than the cushion member. 7. The mask according to claim 1 , further comprising a plurality of belt attaching portions to each of which a belt is attached. 8. The mask according to claim 1 , wherein a sheet made of a fiber material is adhered to the uneven surface of the first region. 9. The mask according to claim 1 , wherein the mask body has transparency that allows the space to be seen through the mask body.
Assignees
Inventors
Classifications
the material being a coating or protective layer · CPC title
- A61M16/0616Primary
with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure · CPC title
- A61M16/0611Primary
with a gusset portion · CPC title
Holding devices therefor · CPC title
- A61M16/0605Primary
Means for improving the adaptation of the mask to the patient · CPC title
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US11471633B2 cover?
- A mask includes: a mask body configured to define a space that covers at least one of a nose and a mouth of a subject; and a cushion member extending along a peripheral edge portion of the mask body. The cushion member includes: a first region that includes a portion that contacts a face of the subject when fitted; and a second region positioned between the first region and the mask body. A sur…
- Who is the assignee on this patent?
- Nihon Kohden Corp
- What technology area does this patent fall under?
- Primary CPC classification A61M16/0616. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Oct 18 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).