Central Venous Catheter (CVC), yomwe imadziwikanso kuti mzere wapakati, mzere wapakati wa venous, kapena catheter yapakati pa venous, ndi catheter yomwe imayikidwa mumtsempha waukulu.Ma catheters amatha kuikidwa m'mitsempha yapakhosi (mtsempha wamkati wamkati), pachifuwa (mtsempha wa subclavia kapena axillary vein), groin (mtsempha wachikazi), kapena kudzera m'mitsempha m'mikono (yomwe imadziwikanso kuti PICC mzere, kapena ma catheters apakati) .