1. A tool for resection, comprising: an outer tube, an inner tube disposed within said outer tube and containing boron, having a working portion with grooves extending along the length of said working part and containing parabolic wavelike relief elements disposed along the exterior edges data kanavok.2 . A tool according to claim 1, wherein said parabolic wave-like relief elements extend along the entire length of said kanavok.3. Tool for resection, comprising: an outer tube, an inner tube disposed within said outer tube and containing boron, having a working portion with grooves extending along the length of the working portion, and a grooved tip, wherein the tip and the working part have a different number kanavok.4 . A tool according to claim 3, wherein said operating part has a greater number of grooves than okonechnost.5. A tool according to claim 3, wherein said operating part has a smaller number of grooves than okonechnost.6. A tool according to claim 3, wherein the grooves disposed on the working part or extremity comprise parabolic wavelike relief elements are located on outer edges kanavok.7 data. A tool according to claim 3, further comprising an adapter disposed between said inner tube and containing boron and a proximal portion and a tapered distal uchastok.8. A tool according to claim 1, further comprising an opening located between said inner tube and borom.9. A tool according to claim 8, wherein said opening communicates with the channel extending along the length of the inner trubki.10. Tool for resection, comprising: an outside1. Инструмент для резекции, содержащий:внешнюю трубкувнутреннюю трубку, расположенную внутри указанной внешней трубки и содержащую бор, имеющий рабочую часть с канавками, проходящими по длине указанной рабочей части и содержащими параболические волнообразные рельефные элементы, расположенные вдоль внешних кромок данных канавок.2. Инструмент по п.1, в котором указанные параболические волнообразные рельефные элементы проходят
