Patent ID: 9572955
Date: 2017-02-21
CPC Classifications: A61M,B29C,B29K,B29L

Claim:
1. A catheter assembly comprising: a catheter having at least one lumen extending from a distal end to a proximal end; an extension tube associated with each at least one lumen and having a distal end and a proximal end, each extension tube comprising at least a layer of silicone; and a hub having a distal end portion associated with the catheter proximal end, and having a proximal end portion with which each extension tube is associated, the hub physically joining the catheter and each at least one extension tube and including at least one passageway, each passageway establishing fluid communication between a respective catheter lumen and a respective extension tube, wherein each extension tube distal end is secured within and to the hub by a fitting secured to the extension tube distal end, the fitting being disposed within a proximal end portion of a respective hub passageway, and the fitting having a distal enlargement embedded within the hub proximal end portion distally of a portion of the hub that is smaller in dimension than the distal enlargement of the fitting and the fitting having at least one annular barb disposed on a fitting section within the extension tube distal end that secures the fitting to the extension tube.