| 摘要 |
FIELD: medicine.SUBSTANCE: claimed invention relates to piercing device (1) for blood sampling, containing movable holder (5) for piercing means (4), drive means (12) of movable holder travel and trigger device (19) for performing piercing movement (13) by piecing means. When trigger device is brought into action manually movable holder can be moved in axial direction by force of drive spring (9) of drive means (12) and tightening device (22) in order to tighten drive spring. Tightening device contains tightening mechanism (23), containing means of fixation (24) for axial fixation of movable holder in the process of tightening drive spring and means (25) for carrying out actions while tightening drive spring, which provides possibility of convenient multiple application of piercing device.EFFECT: invention ensures possibility of convenient multiple application of piecing device.12 cl, 15 dwg |
