Then a polyurethane <e1>catheter</e1> was inserted distally into the hepatic <e2>artery</e2> and connected to the reservoir through a 3-4 cm subcutaneous tunnel.
Then a polyurethane catheter
Then a polyurethane catheter was inserted distally into the hepatic artery and connected to the reservoir through a 3-4 cm subcutaneous tunnel.
<triplet> catheter <subject> artery <object> Entity-Destination(e1,e2)