FIELD: medical equipment, in particular, ophthalmic surgery. SUBSTANCE: suction apparatus has syringe formed as piston with stem positioned in cylindrical reservoir with needle receiving union in its closed end and plug arranged at opposite end and provided with central piston receiving opening. Stem end extending from plug has additional piston positioned in cylindrical sleeve, which is connected in sealing relation to plug. Plug is provided with passage for supplying compressed gas or liquid from outer pressure source into sleeve cavity to provide movement of additional piston. EFFECT: increased efficiency and enhanced reliability in operation. 3 cl, 2 dwg
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