Surgical apparatus and instruments; medical, dental and veterinary apparatus and instruments, and parts and accessories therefor, namely, bloodlines in the nature of blood tubing sets for medical purposes, medical tubing for carrying blood from patient through the dialyzer and back to the patient and bloodline components in the nature of dialyzer connectors, recirculation connector, injection ports, transducer protectors, venous bubble catchers in the nature of flow chambers for attachment to...