Importance

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Abstract

An improved depth adjustable cap of lancing device, including a lancet cover 3 with hole A 12 and an adjustable cover with hole B 13. The cover is set on the top of lancet cover 3. The two parts are joint up by screw structure and rotary position structure. Its character is: the adjustable cover is separated into a front cover 11 with hole B 13, a back ring 10 and two pieces of semi-circles. The semicircles from a set shape. The front cover 11 locates in one end of the shape and the back ring 10 located in the other end. There is a screw structure between one semi-circle and lancet cover 3. When rotating the adjustable cover, the rotary position structure makes the adjustable cover move intermittently. And 'clicks' can be heard. The screw structure makes the hole B move along the axes to control the exposed lancet length. This program separates the original inner set into four simple parts. Then assemble them into a whole part and weld them with ultrasonic. Its characters: low down the manufacturing difficulty. Make it convenient to assemble. Product's quality is improved. Fact shows its effect is very obvious.

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First Claim