Respirator
US5810002A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 12, 1997 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Feb 12, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/22
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A respirator with a breathing gas delivery unit having a variable delivery volume, with a breathing circuit having an inspiration branch and an expiration branch, and with a feed line for breathing gas. The feed line opens into the breathing circuit and is connected to a metering unit. Especially good mixing is achieved within the breathing circuit for high and low flow rates to be metered into the breathing circuit. The feed line has a branching point with a branch line, and the lines are connected to the inspiration branch and to the expiration branch such that the feeding in of breathing gas into the inspiration branch and/or into the expiration branch is made possible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.