Medical gas supply lines used in hospitals - Printable Version

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Medical gas supply lines used in hospitals - Manish Jain - 11-13-2018

Four common Medical gas lines are used in hospitals

1. Nitrous Oxide
2. Oxygen
3. Air 
4. suction / Vacuum


1. Nitrous Oxide
Nitrous Oxide, or laughing gas, is used as an analgesic, and as an anesthetic for pre-operative procedures. Pressures are kept around 345 kPa, or 50 psi.


2. Oxygen: 
Oxygen is used when patients require supplemental oxygenation due to hypoxemia and hypoxia (insufficient oxygen in the blood). Pressures are kept around 380 kPa or 55 psi. 


3. Medical Air: 
This is supplied by a specialized air compressor to patient care areas. Clean outside air is pressurized to around 380 kPa, or 55 psi, and brought inside to the patient.


4.  suction (Vacuum ) 
In medicine, devices are sometimes necessary to create suction. Suction may be used to clear the airway of blood, saliva, vomit, or other secretions so that a patient may breathe. System negative pressures is maintained in suction line

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