Multi-lancet device
First Claim
1. A device for collecting body fluid, comprising:
- at least one lancet comprising a lancet body, the lancet body having at least two tips for lancing the skin of a patient, the at least two tips comprising a first tip having a first length and a second tip having a second length that is different from the first length;
a selection means for selecting one of the at least two tips for a lancing process and thereby selecting a defined lancing depth, wherein the unselected tip is positioned in the device and unused during the lancing process; and
a lancet drive for driving the selected lancet tip in a puncture movement.
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Accused Products
Abstract
The invention concerns a device for collecting body fluids which has at least one lancet comprising a lancet body with at least two tips of different lengths. The device is characterized in that it has a selection means with the aid of which only one tip is selected before the lancing. This selection means can have different functions and shapes. The selection means is used to select a tip from a plurality of lancet tips which have different lengths and make only this tip available for use in the lancing process. Since the various tips are attached to a lancet body, it is, for example, possible to use a bending element which bends one of the various tips out of the plane of the lancet body in order to provide only one lancet tip for use. This is especially preferable for lancet tips that are arranged linearly relative to one another.
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Citations
31 Claims
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1. A device for collecting body fluid, comprising:
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at least one lancet comprising a lancet body, the lancet body having at least two tips for lancing the skin of a patient, the at least two tips comprising a first tip having a first length and a second tip having a second length that is different from the first length; a selection means for selecting one of the at least two tips for a lancing process and thereby selecting a defined lancing depth, wherein the unselected tip is positioned in the device and unused during the lancing process; and a lancet drive for driving the selected lancet tip in a puncture movement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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- 19. A lancing device for insertion of a lancet tip into a body part, comprising a lancet body with at least two tips for lancing the skin of a patient, the at least two tips comprising a first tip having a first length and a second tip having a second length that is different from the first length, wherein when one tip of the at least two tips is selected, a lancing process takes place with a defined lancing depth depending on the length of the selected tip, further wherein at least one of the unselected tips is positioned relative to the selected tip in the device during the lancing process such that no lancing process is executed with the unselected tip, the device further comprising a drive unit for driving the selected lancet tip in a puncture movement.
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25. A method of using a lancing device comprising a lancet body and at least two tips for lancing the skin of a patient, the at least two tips comprising a first tip having a first length and a second tip having a second length that is different from the first length, the method comprising:
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selecting a desired lancing depth; selecting one of the at least two tips that corresponds to the desired lancing depth; and with the aid of a lancet drive, performing a lancing process with the selected one of the tips while maintaining the unselected tip or tips positioned in the device and unused during the lancing process. - View Dependent Claims (26, 27, 28, 29, 30, 31)
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Specification