My watch list
my.bionity.com  
Login  

Pin Index Safety System



The Pin Index Safety System, or PISS, is a safety system that uses geometric features on the yoke to ensure that pneumatic connections between a gas cylinder and a machine that uses pressurized gases are not connected to the wrong gas yoke. This system can be seen on an anesthesia machine.

Each gas cylinder has a pin configuration to fit its respective gas yoke. Refer to the figure on the right; units are in millimeters.

  • O2: 2-5
  • N2O: 3-5
  • Air: 1-5
  • CO2: 1-6
  • Heliox: 2-4

Standards

  • International (ISO) and European (CEN) Standard
  • EN ISO 407 : Small medical gas cylinders - Pin-index yoke-type valve connections

References

  • http://www.udmercy.edu/crna/agm/03.htm for pin positions.
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Pin_Index_Safety_System". A list of authors is available in Wikipedia.
Your browser is not current. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE