"Atraumatic" transjugular needle for portal vein puncture in swine.
A new coaxial needle-catheter system was designed for transjugular portal vein puncture in young domestic swine. It was tested in 32 animals and successfully entered the portal circulation via a hepatic vein or intrahepatic portion of the inferior vena cava. No complications were encountered.
D000818:Animals; D002404:Catheterization / Q000295:instrumentation* / Q000379:methods; D007601:Jugular Veins / Q000000981:diagnostic imaging*; D009339:Needles; D010865:Pilot Projects; D011169:Portal Vein / Q000000981:diagnostic imaging*; D011677:Punctures / Q000295:instrumentation*; D011859:Radiography; D013552:Swine