Patent ID: 7572237

Claim:
A bodily fluid testing device for obtaining and testing a submicroliter bodily fluid sample, comprising: a housing defining at least a first aperture; a lancing device including a needle and a lancet drive including a spring, the lancing device operatively coupled to said housing for obtaining a submicroliter bodily fluid sample by advancing the needle through the first aperture in the housing and piercing a skin surface at a bodily fluid sample location and then withdrawing to provide access to the submicroliter bodily fluid sample by a test strip; a lancet guiding shoulder coupled with the housing; a lancet guiding collar coupled around the needle within a mechanical tolerance of about 0.05 mm, and the lancet guiding collar having an outer dimension within a mechanical tolerance of about 0.05 mm, and the lancet guiding collar and lancet guiding shoulder having a mutual clearance of no more than approximately 0.13 mm, thereby providing precision control over puncture site location; and a mount block coupled with a connector that is coupled with a motor within the housing, the mount block configured for coupling the test strip thereto, and the motor configured for moving an edge of the test strip along a non-linear trajectory such that a bodily fluid receiving portion of the edge of the test strip comes to rest at a center of the submicroliter bodily fluid sample without moving the housing relative to the bodily fluid sample location, and wherein the bodily fluid testing device is configured such that the housing is placed on the bodily fluid sample location, and then after said lancing and withdrawing of the lancing device, the edge of the test strip moves along the non-linear trajectory to the bodily fluid sample contacting location within a mechanical tolerance of about 0.010 inch of said center of said bodily fluid sample in the plane of the skin surface at the bodily fluid sample location.