Method of lancing skin for the extraction of blood
First Claim
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1. A method of lancing skin through an outer surface of said skin to obtain a sample of blood, the method comprising the steps of:
- providing a lancing instrument having a sharpened tip and a channel adjacent to said sharpened tip to a sensor attached to a proximal end of said lancing instrument;
forcing said sharpened tip into said skin to a first predetermined depth below said outer surface, wherein said sharpened tip creates an incision in said skin surface;
completely withdrawing said sharpened tip from said incision; and
drawing blood through said channel to said sensor.
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Abstract
The present invention relates to a method of lancing skin through an outer surface of said skin to obtain a sample of blood, the method providing a lancing instrument having a sharpened end and a channel extending from adjacent said sharpened end to a sensor attached to a proximal end of said lancing instrument, forcing said sharpened tip into said skin to a first predetermined depth below said outer surface, wherein said sharpened tip creates an incision in said skin surface; then completely withdrawing said sharpened tip from the incision, and drawing blood through said channel to the sensor.
17 Citations
7 Claims
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1. A method of lancing skin through an outer surface of said skin to obtain a sample of blood, the method comprising the steps of:
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providing a lancing instrument having a sharpened tip and a channel adjacent to said sharpened tip to a sensor attached to a proximal end of said lancing instrument;
forcing said sharpened tip into said skin to a first predetermined depth below said outer surface, wherein said sharpened tip creates an incision in said skin surface;
completely withdrawing said sharpened tip from said incision; and
drawing blood through said channel to said sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification