Pricking device and method for taking a blood sample
First Claim
1. Pricking device for taking a blood sample comprising a moveable holder device attached to a pricking means, a linear guide for guiding the moveable holder device, drive means for driving the moveable holder device and a trigger device for triggering a pricking movement of the pricking means, wherein after manual activation of the trigger device the moveable holder device is configured to be moved translationally by means of the drive means, wherein the drive means have a curved track that the moveable holder device engages directly, wherein the drive means further comprise a control curved track element mounted swivelable about a swivel device that is exterior to the curved track, and wherein the control curved track element is moveable along an arced guide that is mounted exterior to the curved track, wherein the curved track is swivelable about the swivel device and the moveable holder device is moveable translationally.
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Accused Products
Abstract
The invention relates to a pricking device (1) for taking a blood sample, comprising a movable holding device (10) for pricking means (5), a linear guide element (11) for guiding the movable holding device, means (12) for driving the movable holding device and a release device (31) for releasing the pricking movement (6) of the pricking means. When the release device has been manually actuated, the movable holding device can be moved in a translatory manner by the drive means. Said drive means comprise a curved path (20) in which the movable holding means is directly engaged, enabling the pricking device to have a particularly simple structure.
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Citations
17 Claims
- 1. Pricking device for taking a blood sample comprising a moveable holder device attached to a pricking means, a linear guide for guiding the moveable holder device, drive means for driving the moveable holder device and a trigger device for triggering a pricking movement of the pricking means, wherein after manual activation of the trigger device the moveable holder device is configured to be moved translationally by means of the drive means, wherein the drive means have a curved track that the moveable holder device engages directly, wherein the drive means further comprise a control curved track element mounted swivelable about a swivel device that is exterior to the curved track, and wherein the control curved track element is moveable along an arced guide that is mounted exterior to the curved track, wherein the curved track is swivelable about the swivel device and the moveable holder device is moveable translationally.
- 15. Method for taking a blood sample, comprising a step of drawing blood from a body in which a pricking means moves forward and then directly backward, whereby the pricking means at least with a tip thereof briefly penetrates the body, the pricking means being guided translationally in a moveable holder device and the moveable holder device being driven by a spring drive, wherein the moveable holder device is guided directly inside and along a curved track of a control curved track element mounted swivelable about a swivel device that is exterior to the curved track and wherein the control curved track element moves along an arced guide that is mounted exterior to the curved track, whereby the curve track swivels about the swivel device and the moveable holder device is moves translationally so that the pricking means at least with a tip thereof briefly penetrates the body.
Specification