IS 6581 : 1972 Specification for Endotracheal Tubes (Rubber)
  
      | UDC 615.473.5 : 616-089.5 | MHD 11 | 
    |  | 
    | Reaffirmed 2018 | 
  1 Scope  
1.1 This standard deals with the basic requirements for oral andnasal endotracheal tubes and cuffs.  
2 References  
IS 2 :1960 Rules for rounding offnumerical values  
IS 3234 : 1965 Specification for conical fitting forhypodermicsyringes, needles and other medical equipment, Luer type