The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 2000
Filed:
Jun. 30, 1999
Applicant:
Inventors:
Georgios Psaros, Tullinge, SE;
Par Emtell, Vallingby, SE;
Assignee:
Siemens Elema AB, Sundbyberg, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62B / ;
U.S. Cl.
CPC ...
12820512 ; 12820312 ;
Abstract
An anaesthetic delivery system has a ventilation arrangement with an inspiration gas pathway for conducting inspiration gas to a patient and an expiration gas pathway for conducting expiration gas away from the patient, and a filter element serially connected to both the inspiration and the expiration gas pathways. The filter element retains anaesthetic from expiration gas passing therethrough and releases the retained anaesthetic into inspiration gas passing therethrough. A supply of flushing gas is communicable with the filter element to flush the retained anaesthetic from the system without passing to the patient.