delSRPS EN ISO 4770:2020

Anaesthetic and respiratory equipment - 23 mm tracheostoma connectors

Scope

This document specifies the dimensional characteristics of 23 mm tracheostoma connectors It also defines the functional requirements including test methods.
This document does neither specify the tracheostomy attachment system nor the tracheostomy accessories except for their connecting interface.
NOTE 1 Requirements on tracheostomy accessories, such as HME filter cassettes, tracheostomy valves, as well as attachment systems such as tracheostoma base plates will be covered by further standards.
This document does not cover 15 mm connectors for tracheal or tracheostomy tubes but includes 23 mm connectors for cannulae used for the rehabilitation of patients after laryngectomy.
NOTE 2 For 15 mm connectors for tracheal or tracheostomy tubes, see ISO 5361 and ISO 5366.
The field of application of the connectors specified in this document does not include breathing systems
or vaporizers.

Related directives

NOTE: If the word "harmonized" (marked in green) is not found in the field with the name of the directive, it means that the European standard is not cited in the OJEU.