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BLOOD WITHDRAWAL SYSTEM

  • US 20080033469A1
  • Filed: 08/02/2007
  • Published: 02/07/2008
  • Est. Priority Date: 08/02/2006
  • Status: Abandoned Application
First Claim
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1. A blood withdrawal system for producing blood from a body part for diagnostic purposes, comprising:

  • a housing;

    a drive rotor capable of rotating about an axis, the drive rotor including a control element including a center and a control surface encompassing the center, the control element orientated radially outward from the center; and

    a coupling mechanism including a translation element having at least two guide walls each including a contact surface, the translation element coupled to a lancet and guided by a guide on a translational movement path;

    wherein during a puncturing movement, the control element rotates with the drive rotor about an axis of rotation spaced apart from the center of the control element and the control surface of the control element is in contact with the contact surfaces of at least one of the guide walls of the translation element during the rotation of the drive rotor such that the movement of the translation element is controlled by the drive rotor at least during a portion of the forward phase and at least during a portion of the retraction phase of the puncturing movement.

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