GB/T 45665.1-2025 Active National standards

GB/T 45665.1-2025 Anaesthetic and respiratory equipment—Conical connectors—Part 1:Cones and sockets

Publish Date: 2025-05-30 Implement Date: 2026-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 45665.1-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Surgical room equipment

ICS Name: Anesthesia, respiration, and resuscitation equipment

Publish Date: 2025-05-30

Implement Date: 2026-06-01

Pages: 24 pages

Scope

This document specifies the dimensions and measurement requirements for cone heads and cone sleeves used to connect anesthesia and respiratory equipment (such as respiratory systems, anesthetic gas purification systems, and evaporators). Therefore, cone heads and cone sleeves themselves are not considered equipment.
This document applies to cone heads and cone sleeves with sizes of 8.5 mm and 11.5 mm for neonatal and pediatric respiratory systems; cone heads and cone sleeves with sizes of 15 mm and 22 mm commonly used in respiratory systems; 22 mm locking cone sleeves (including performance requirements); 23 mm cone heads and cone sleeves for evaporators (this size is not applicable to respiratory systems); and 30 mm cone heads and cone sleeves used to connect respiratory systems and anesthetic gas purification systems.
This document does not specify the cone heads and cone sleeves required to be provided on medical devices and accessories.
This document does not include application requirements for cone heads and cone sleeves, as these requirements have already been or will be specified in relevant standards for specific medical devices and accessories.