Anesthetic system
US4676239A · kind A · utility
Inventor
Key dates
| Filing date | Jul 17, 1986 |
| Grant date | Jun 30, 1987 |
| Priority date | — |
| Expiry date | Jul 17, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/911
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An anaesthetic system comprising, (a) inspiratory low pressure fresh gas supply tube adapted to receive low pressure gas and adapted for attachment of a reservoir bag tube and having a valve for control of gas to and from the reservoir bag (b) an expiratory tube comprising: (i) a valve to open or close the tube to permit from free up to totally restricted flow of gases in and out of the expiratory tube and (ii) a relief valve to permit gases to exit when pressure in the expiratory tube exceeds a predetermined value (c) the inspiratory and expiratory tubes communicating with a patient's face piece and being substantially free of restricted flow of gases whereby a universal mode of anaesthetic administration to a patient can be achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.