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 Title: |
US5724965:
Nasal mask
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Handke, Patrick M.; Monroeville, PA
Starr, John R.; Leechburg, PA
Wong, Doris; Trafford, PA
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| Assignee: |
Respironics Inc., Pittsburgh, PA
other patents from RESPIRONICS, INC. (472565) (approx. 134)
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| Published / Filed: |
1998-03-10
/ 1995-06-06
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| Application Number: |
US1995000470982
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| IPC Code: |
Advanced:
A61M 16/06;
A62B 18/02;
IPC-7:
A61M 16/06;
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| ECLA Code: |
A61M16/06; A61M16/06S; K61M16/06A4; K61M210/06C;
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| U.S. Class: |
Current:
128/207.13;
128/205.25;
128/206.26;
128/207.18;
Original:
128/207.13;
128/207.18;
128/205.25;
128/206.26;
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| Field of Search: |
128/201.19,207.13,206.11,206.18,207.18,205.25,206.12,206.26,206.21,201.22,204.18
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| Priority Number: |
| 1995-06-06 |
US1995000470982 |
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| Abstract: |
A miniature nasal mask for supplying breathing gas to a human user through an interface with the user's nares, the interface being maintained by a contact seal which engages the user's face only within an area between the tip and immediately adjacent lateral flanks of the user's nose adjacent to the nares, and the user's upper lip.
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| Attorney, Agent or Firm: |
Brams, J. Stewart ;
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| Primary / Asst. Examiners: |
Burr, Edgar S.; Colilla, Daniel J.
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| Maintenance Status: |
CC Certificate of Correction issued
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Designated Country: |
DE ES FR GB IT SE
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| Family: |
Show 13 known family members
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First Claim:
Show all 10 claims |
We claim:
1. A respiratory mask for engaging a user's face to provide an interface for nasal delivery of breathing gas to the user, said mask comprising:
- a mask assembly;
- said mask assembly including a seal means which is engagable with a user's face to provide a sealed interface therewith only within a sealing area surrounding the nares of the user;
- said seal means including a flexible seal which forms a chamber surrounding the nares of the user of containing gas pressure and to permit the gas pressure to support said flexible seal and engage said flexible seal in sealing engagement with the user's face;
- gas inlet means for conveying breathing gas into said chamber for delivery of the breathing gas to the nares of the user and to support said flexible seal; and
- said mask assembly being of a form that said sealing area is bounded at its upper extremity by the lower end of the user's nose including the tip and lateral flanks thereof, and at its lower extremity by the user's upper lip.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 206 U.S. patent(s) that reference this one
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