the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to medical technology, namely to u043eu0442u043eu043bu0430u0440u0438u043du0433u043eu043bu043eu0433u0438u0447u0435u0441u043au0438u043c instruments. in order to u0443u0432u0435u043bu0438u0447u0435u043du0438u00a0 of u0432u044bu043fu043eu043bu043du00a0u0435u043cu044bu0445 u043cu0430u043du0438u043fu0443u043bu00a0u0446u0438u0439 and operations u0443u0448u043du0430u00a0 funnel has two longitudinal slots 1 and 2. the slot 1 is cross cutting and is in the middle part of the extended section 5.u043au043eu043du0441u0442u0440u0443u043au0446u0438u00a0 funnel allows free manipulation of u043eu0442u043eu043bu0430u0440u0438u043du0433u043eu043bu043eu0433u0438u0447u0435u0441u043au0438u043cu0438 tools without u0443u0445u0443u0434u0448u0435u043du0438u00a0 u043fu043eu043bu00a0 review. 3).
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