Internal preservation fluid dispenser for endoscopic vessel harvester

An endoscopic vessel harvester comprising:

• a longitudinal insertion member having a proximal end with a handle and a distal end adapted for insertion into a tunnel dissected along a target vessel within a body of a patient;
• a vessel keeper extendably mounted at the distal end of the insertion member comprising a capture frame with a movable side having an opened position to admit the target vessel and having a closed position to slidably capture the target vessel;
• a cutter member extendably mounted at the distal end of the insertion member having a cauterizing element adapted to contact side branches of the target vessel and to cut and cauterize the side branches while the target vessel is slidably captured in the vessel keeper;
• a spray nozzle carried by the vessel keeper;
• a preservative distributor including a manual control valve and a conduit between the valve and the spray nozzle adapted to deliver a preservative fluid to the target vessel proximate a respective side branch immediately after being cauterized;
• and a support rod connected to the capture frame;
• wherein the conduit is carried within the support rod.