FIELD: medical engineering.
SUBSTANCE: device has needle with tip and body. The device body completely envelops the needle at least at tip area and is manufactured from elastic material. Needle tip is introduced into the material. Needle tip pierces the elastic material that closes after drawing the needle back into the hollow device body in one of invention embodiments. Lancet set comprises at least two of lances that are connected to each other. Lancet cartridge has at least two lances placed in separate chambers. Each chamber has at least one opening for letting lance needle tip out. The opening is tightly closed with the elastic material and is to be pierced when exiting or withdrawing the needle. The elastic material is used as a component of lance or cartridge in used and unused state.
EFFECT: wide range of functional applications.
12 cl, 6 dwg
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