11-3 
 
Parts 
Recommended 
frequency 
Cleaning  Disinfection 
①  ②  A  B  C  D 
Ventilator Housing 
Ventilator external surface (including 
housing, power cord, supply gas hose) 
Each patient  ①  A or D 
Trolley and support arm  Each patient  ①  A or D 
Touch screen  Each patient  ①  A or D 
Fan dust filter   
Every four weeks/as 
necessary* 
② 
B 
Main unit air outlet dust filter   
Every four weeks/as 
necessary* 
② 
B 
Air intake dust filter 
Every four weeks/as 
necessary* 
② 
B 
Ventilator inspiration safety valve assembly 
Inspiration safety valve assembly    as necessary*  ②  B or C 
Ventilator expiration valve assembly 
Expiration valve membrane (silicone)  Each patient/weekly  ②  B or C 
Expiration valve assembly (except 
membrane) 
Each patient/weekly  ②  B or C 
Ventilator patient tubing (reusable) 
Patient tubing (including water 
trap, Y piece, adapter) 
Each patient/weekly  ②  B or C 
Other 
Mainstream CO
2
 sensor  Each patient/weekly 
Refer to the cleaning and 
disinfection methods provided by 
the mainstream CO
2
 vendor. 
SpO
2 
sensor  Each patient/weekly  Refer to the cleaning and 
disinfection methods provided by 
the attached package insert. 
SpO
2 
sensor cable  Each patient/weekly  Refer to the cleaning and 
disinfection methods provided by 
the attached package insert. 
Nebulizer   Each patient/weekly 
Refer to the cleaning and 
disinfection methods provided by 
the nebulizer vendor. 
Humidifier Each patient/weekly 
Refer to the cleaning and 
disinfection methods provided by 
the humidifier vendor.