| 摘要 |
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.
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