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Lancet drive system depth control using eccentricity

A lancet, eccentricity technique, used in technical and institutional fields

Inactive Publication Date: 2013-06-26
F HOFFMANN LA ROCHE & CO AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

All this separate equipment is a further burden on the user

Method used

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  • Lancet drive system depth control using eccentricity
  • Lancet drive system depth control using eccentricity
  • Lancet drive system depth control using eccentricity

Examples

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Embodiment Construction

[0042] For the purposes of promoting an understanding of the principles of the invention, reference will now be made to the illustrated embodiments of the drawings, and specific language will be used to describe the embodiments. It will however be understood that the scope of the invention is not limited thereby. Any substitutions and further modifications in the described embodiments, and any further applications of the principles of the invention described herein, are contemplated as would normally occur to those skilled in the art to which the invention pertains. One embodiment of the invention is shown in great detail, although it will be apparent to those skilled in the relevant art that some features not relevant to the invention may not be shown for the sake of clarity.

[0043] The present application relates generally to systems and techniques for adjusting or limiting the range of motion of a piercing member, such as a lancet. By reducing the range of motion of the ...

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PUM

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Abstract

Adjustment mechanisms are used in conjunction with integrated lancet test strips to adjust the position of the drive system, engagement system, or the drive coupling in a fixed stroke lancing system to thereby adjust the penetration depth of the lancet. In a variable drive stroke lancing system, the lancet penetration depth is adjusted by changing the stroke length of a drive system. The stroke length of a drive system is adjusted by rotating a cam or sliding a cam in a cam type drive system. In either the fixed or the variable drive stroke lancing system, the test strip and / or guidance foil of the integrated lancet test strip is immobilized while the lancet is actuated.

Description

technical field [0001] The present invention generally relates to techniques and mechanisms for adjusting the range of motion of a piercing member in a lancet-integrated test strip. The present invention also relates to techniques and mechanisms that engage and drive the lancet and secure the test strip during the skin piercing procedure to ensure independent movement of the piercing member relative to the test strip. Background technique [0002] Reducing the amount of pain associated with making an incision for bodily fluid testing is often highly desirable to users. One technique for reducing pain includes adjusting the penetration depth of the exposed lancet. Typically, the adjustable cap is attached to the exterior of the cutout that forms the end of the lancet driver surrounding the exposed lancet. The cap is adjusted to limit the depth of penetration of the lancet; however, the lancet travels the same distance to form the incision regardless of cap adjustment. In o...

Claims

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Application Information

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IPC IPC(8): A61B5/15A61B5/151
CPCA61B5/150022A61B5/15019A61B5/150198A61B5/150358A61B5/150427A61B5/150435A61B5/150503A61B5/15113A61B5/15117A61B5/15128A61B5/1513A61B5/15186A61B5/1519A61B5/15194A61B5/1405A61B5/151A61B5/1411A61B5/150412A61B5/15115A61B5/15126
Inventor M.凯尔C.C.拉尼S.N.罗
Owner F HOFFMANN LA ROCHE & CO AG