Lancing Device for Taking Blood Samples
1 Assignment
0 Petitions
Accused Products
Abstract
A lancing device comprising a lancet holder for holding an exchangeable lancet and comprising a drive means for driving the lancet holder. The drive means has two spring elements comprising a lancing spring element for accelerating the lancet holder in the lancing direction and a restoring spring element for accelerating the lancet holder counter to the lancing direction. The drive means has a carriage unit with a spring-tensioning carriage part and a lancing carriage part, and the spring-tensioning carriage part and the lancing carriage part are arranged to be displaceable in translation relative to one another and form a lancing spring element receiving region and a restoring spring element receiving region. The lancing spring element receiving region can be reduced by translational displacement of the spring-tensioning carriage part relative to the lancing carriage part, in order to pre-tension the lancing spring element within the lancing spring element receiving region.
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Citations
24 Claims
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1-10. -10. (canceled)
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11. A lancing device for taking blood samples, comprising a lancet holder for holding an exchangeable lancet and comprising a drive means for driving the lancet holder, in which the drive means has two spring elements comprising a lancing spring element for accelerating the lancet holder in the lancing direction and a restoring spring element for accelerating the lancet holder counter to the lancing direction, wherein
the drive means has a carriage unit with a spring-tensioning carriage part and with a lancing carriage part, and the spring-tensioning carriage part and the lancing carriage part are arranged to be displaceable in translation relative to one another and form a lancing spring element receiving region and a restoring spring element receiving region, and the lancing spring element receiving region can be reduced by translational displacement of the spring-tensioning carriage part relative to the lancing carriage part in order to pre-tension the lancing spring element within the lancing spring element receiving region for a forthcoming lancing operation, the spring-tensioning carriage part being arranged to be movable manually into a tensioning position by a tensioning actuation element from outside the lancing device and wherein the lancing carriage part and the spring-tensioning carriage part are arranged to be unlocked sequentially.
Specification