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BSI BS 4272-2:1996

Anaesthetic and analgesic machines -- Specification for intermittent (demand) flow analgesic machines for use with 50/50% (V/V) nitrous oxide and oxygen
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BSI BS 4272-2:1996

Anaesthetic and analgesic machines -- Specification for intermittent (demand) flow analgesic machines for use with 50/50% (V/V) nitrous oxide and oxygen

PUBLISH DATE 2003
PAGES 16
BSI BS 4272-2:1996

This Part of BS 4272 specifies general design and performance requirements for analgesic machines of the intermittent flow (demand flow) type for use with 50/50 % (V/V) mixture of oxygen and nitrous oxide contained in one cylinder, (hereinafter referred to as 'analgesic machines').

This standard applies to analgesic machines intended for:

  1. connection directly to a high-pressure (approximately 17 MPa) cylinder; and

  2. connection to a low-pressure (280 kPa to 600 kPa) supply from a medical gas pipeline system, or a similar source, filled from cylinder(s).

Additional requirements for portable machines are included.

This standard applies to analgesic machines which are intended to be used under supervision for the self-administration of an analgesic mixture in response to the patient's inspiratory effort, e.g. in obstetric practice or in emergency situations. It does not apply to analgesic machines with means to initiate gas flow other than by the patient's inspiratory effort.

This standard does not give requirements for the composition of the gas mixture, or for the markings on the gas cylinder.

NOTE The gas is pre-mixed and specified in pharmacopoeia monographs. The markings on the gas cylinder are specified in BS EN 850.

SDO BSI: British Standards Institution
Document Number 4272-2
Publication Date Jan. 14, 2003
Language en - English
Page Count 16
Revision Level
Supercedes
Committee CH/121/1
Publish Date Document Id Type View
Jan. 14, 2003 BS 4272-2:1996 Revision
Jan. 15, 1968 BS 4272-2:1968 Revision