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Pub. No.:    WO/2017/038931    International Application No.:    PCT/JP2016/075637
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Fri Sep 02 01:59:59 CEST 2016
IPC: A61F 9/007
Applicants: MANI, INC.
Inventors: MURAKAMI, Etsuo
村上 悦男
Provided is a vitreous body cutter that has a tip that has an opening that can be moved a large amount, even if a pipe is narrow, and that makes it possible to suction a wide range of vitreous bodies, etc. A vitreous body cutter (10) that has: a pipe (20) that has an opening (21) provided in a tip side surface thereof; a cutter (30) that slides along an inner surface of the pipe (20); a motive power part (25) that is connected to the pipe (20) and that makes the cutter (30) slide; and an outer case (40) that has the pipe (20) inserted therethrough and that has the motive power part (25) provided to the inside thereof. The outer case (40) has a connection part (41) that connects to a cannula (50), which is mounted on an eyeball (60), such that the outer case becomes integrated with the cannula. The amount that the pipe (20) protrudes from the outer case (40) may be alterable.