Infusion and/or Withdrawal Fitting for Biomedical Fluid Circuits

Abstract

An infusion and/or withdrawal fitting for biomedical fluid circuits is defined by a tubular conduit having a first end connectable to a biomedical fluid circuit, and a second end which is closed by a plug having a collar connected to the plug at a weakened portion; the conduit having a breaking member for breaking the weakened portion when fitting the plug to the conduit, and for retaining the collar on the conduit.

1 - 18 . (canceled) 
   
   
       19 . A biomedical device, comprising:
 a biomedical fluid circuit; and   a fitting including:
 a conduit having a first end adapted for connection to the biomedical fluid circuit, and a second end adapted to receive a cap; 
 wherein the cap includes:
 a collar; 
 a plug movable between an open position and a closed position for opening and closing the second end of the conduit; 
 a connector configured to maintain the plug connected to the collar when the plug is in an open position; and 
 a breakable portion between the plug and the collar; 
 wherein the breakable portion between the plug and the collar automatically breaks apart due to interaction with a first structure on the conduit during attachment of the cap to the second end of the conduit; and 
 wherein after the breakable portion breaks apart, the collar is retained on the conduit by the first structure and the plug remains connected to the collar by the connector.