Alternative names
Valve assembly, exhalation
Type of medical device or related product
General vs. specific use (health condition)
Intended population age
Intended population sex
Level of technical knowledge
Capital
Reusable
Requirements
None
WHO list of priority medical devices
Service delivery platforms / Healthcare levels
Healthcare unit
EMDN related code(s)
Z12159080
VAROUS PNEUMOLOGY AND RESPIRATORY PHYSIOPATHOLOGY INSTRUMENTS - HARDWARE ACCESSORIES
The code(s) and term(s) in this section were observed and retrieved from public databases and have not been validated by health regulatory authorities.
Please consult your regulatory agency and EMDN site:
https://webgate.ec.europa.eu/dyna2/emdn
GMDN related code(s)
37819
Mechanical expiratory valve, reusable (A non-sterile mechanical device intended to be used in a respiratory or anaesthesia breathing circuit to maintain a degree of positive pressure in a patient's airway at the end of expiration. Typically constructed of plastic/metal it has a valve that is actuated by a spring to provide expiratory airway resistance, and an adjustable knob (usually not graduated) that is typically set between 0 and 20 cmH20 pressure, but may be fully closed when controlled/assisted ventilation is applied. It is normally used with anaesthesia breathing systems, pulmonary resuscitators, or ventilators and is commonly known as a pop-off valve, relief valve, or spill valve. This is a reusable device.)
The medical device term(s), code(s) and definition(s) in this section were retrieved from databases external to WHO.
As there might be more than one name, definition and “Nomenclature Code” related to the specific medical device, please consult
https://gmdnagency.org
GMDN ®. © GMDN Agency 2005-2024
WHO resources on medical devices
Interagency list of priority medical devices for essential interventions for reproductive, maternal, newborn and child health
WHO list of priority medical devices for cancer management
WHO List of Priority Medical Devices for management of cardiovascular diseases and diabetes
WHO List of Priority medical devices list for the COVID-19 response and associated technical specifications
Package of eye care interventions
Trauma and Emergency Surgery Kit (TESK) 2019
WHO medical devices website
WHO priority medical devices website
WHO essential in vitro diagnostic website