Method for producing a pricking element

Details Method for producing a pricking element Method for producing a pricking element

A - Human Necessities

61

B

A61B 5/15 (2006.01)

Patent

CA 2592310

The invention concerns a process for producing a lancing element in which a flat shaped member (12) is formed from a flat material (22) by applying a mask (24) and allowing an etching agent to act upon it wherein at least a part of the flat shaped member (12) is shaped as a tip (16, 16'). According to the invention it is proposed that the mask (24) is provided with a shaping area (30) for the tip to be formed (16, 16') and with a screening area (32) which extends distally beyond this shaping area to prevent the tip from being etched off at the front (16, 16') and that a sharp tip (16, 16') is exposed by laterally undercutting the side flanks (34, 36) of the shaping area and screening area (32).

L'invention concerne un procédé de production d'un élément de piquage. On forme un élément plat (12) à partir d'un matériau plat (22) en appliquant un masque (24) et en utilisant un agent de gravure. Au moins une partie de l'élément plat (12) a la forme d'une pointe (16,16'). Selon l'invention, le masque (24) est pourvu d'une zone de façonnage (30) destiné à la pointe (16,16') à former, prolongée d'une zone écran (32) distale qui empêche le rongeage frontal de la pointe (16,16'). Le sous-rongeage latéral des flancs latéraux (34,36) de la zone de formage et d'écran (32), permet de libérer une pointe affilée (16,16').

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