Patent ID: 6723037
Filing Date: 2004-04-20
Classification: A61N

Abstract:
A cartridge for a therapeutic material delivery device, configured to enable external visual observation of the therapeutic material, the cartridge comprising:a transparent cartridge body that holds said therapeutic material inside and permits external visual observation of the therapeutic material and a shielding outer tube that is fitted on an outer circumference of the cartridge body, is slidable in the longitudinal direction of said cartridge body and is made of a radioactive ray shielding material, said cartridge body being exposable with said sliding of said shielding outer tube, wherein a forward end of said cartridge body is provided with a head portion, and a connector tube is supported through said head portion, and said connector tube is capped with a sheath having an opening portion formed therein, said sheath being made of a soft or elastic material and said opening portion having a smaller diameter than the outer diameter of the therapeutic material.