FIELD: medicine; diagnostics.
SUBSTANCE: device for taking blood has tube, which has dome with piercing through plug at front end of tube; guiding bushing is put onto dome. There is hollow needle with rubber valve onto side directed to dome and there is connecting item or front article of joint hollow needle at side directed from dome. Guiding bushing is made of deformation-resistant material and the bushing is provided with flexible section at its front part, being disposed outside normal manipulation part. Dome has excess in diameter relatively internal diameter of guiding bushing at part of connection. Bigger diameter of dome at folded position helps to expansion of resilient part, which surrounds part of connection of dome to achieve restraining force with force closing.
EFFECT: improved reliability of connection of dismountable items.
8 dwg
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