FIELD: medical equipment.
SUBSTANCE: device has needle aid provided with cutting edge at distal end. Needle aid has cylindrical empty case with constant internal diameter. Blocking aid is intended for blocking sample of tissue inside needle aid and it is placed for slide inside needle aid. Additional cylindrical empty case is placed for slide inside needle aid and it ends at distal end with at least one aid in form of first and second elastic thin plates. Pushing aid intends for pushing second thin plate through in radial direction to first thin plate. End of pushing aid in form of wedge is capable of engagement with groove of additional cylindrical empty case. Versions differ in making of pushing aid.
EFFECT: reliable blockage of tissue sample.
20 cl, 27 dwg
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