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This specification covers breathing systems and components employed with anesthesia gas machines for humans. This specification considers the circle system as a whole and some of its components individually. A particular emphasis is placed upon component arrangement in the circle absorber-type system, and submits a system of standard description and notation. The circle system is divided into four segments: segment 1 - from patient to expiratory valve, segment 2 - from expiratory valve to reservoir bag, segment 3 - from reservoir bag to inspiratory valve, and segment 4 - from inspiratory valve to patient. Leakage of breathing system and resistance of breathing system shall be tested to meet the requirements prescribed. The adjustable pressure-limiting valves, reservoir bag connectors and reservoir bags, carbon dioxide absorbers, unidirectional valves, and optional components shall meet the requirements prescribed.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers breathing systems and components employed with anesthesia gas machines for humans. This specification considers the circle system as a whole and some of its components individually. A particular emphasis is placed upon component arrangement in the circle absorber-type system, and submits a system of standard description and notation. Excluded are ventilators for use during anesthesia, Mapelson nonrebreathing type systems, as well as breathing systems and related components of dental analgesia machines. (For rationale, see Appendix X1.)
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.3 This specification is arranged as follows:
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
F1054 Specification for Conical Fittings
F1204 Specification for Anesthesia Reservoir Bags
F1205 Specification for Anesthesia Breathing Tubes
ANSI/ASME StandardANSI/ASMEB40.1M-1985 Standard for Pressure Gauge Available from the American National Standards Institute, 25 W. 43rd St., 4th Floor, New York, NY 10036.
ICS Number Code 11.040.10 (Anaesthetic, respiratory and reanimation equipment)