Tsakiyar Venous Catheter (CVC), wanda kuma aka sani da layin tsakiya, layin tsakiyar jijiyar jijiya, ko kuma catheter ta tsakiya, wani catheter ne da aka sanya shi cikin babban jijiya.Za a iya sanya catheters a cikin jijiyoyi a cikin wuyansa (jijiya na ciki na ciki), kirji (jijiya na subclavian ko axillary vein), makwancin gwaiwa (jijiya na mata), ko ta hanyar veins a cikin makamai (wanda aka sani da layin PICC, ko kuma shigar da catheters na tsakiya) .