CARTRIDGE SYRINGE, CARTRIDGE AND OPHTHALMIC SYRINGE SET PROVIDED WITH THE SYRINGE

摘要

PROBLEM TO BE SOLVED: To reduce wastes, to secure the storing space of ophthalmic treatment agent and to facilitate separating of a plunger from a piston plug for easily replace a syringe by providing a cartridge syringe which is repeatedly usable by only replacing a cartridge containing the ophthalmic treatment agent, and an ophthalmic syringe set provided with the syringe.

SOLUTION: A syringe main body 3 or the connection part of the syringe main body 3 and the plunger 7 is provided with a one-operation mounting mechanism capable of temporarily changing the position of the plunger 7 so that the cartridge 9 can be mounted to the main body 3. On a side closer to a tip than a pusher 37, a push-in part 41 tapered toward the tip is formed and can be inserted to an insertion hole 43 bored on the side of the proximal end of the piston plug 39 of the cartridge 9.

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