PUNCTURING NEEDLE CARTRIDGE AND PUNCTURING INSTRUMENT
2 Assignments
0 Petitions
Accused Products
Abstract
A puncture needle cartridge (2) comprises: a columnar lancet body (6) having a puncture needle on the front end side and a puncture instrument mount (5) on the rear end side; a protective cap (13) covering the puncture needle and having a shape extending toward the front end; a skin contact part (10) placed in front of the tip of the puncture needle, having a planar shape perpendicular to the puncture needle, and formed with a through hole to put the protective cap (13) through; an elongate plate-like extension (9) extending from the skin contact part (10) toward the rear end; and an elastic object (8) for coupling the extension (9) to the lancet body (6) and making the tip of the puncture needle be biased to be located in the rear end side behind the skin contact part (10).
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Citations
13 Claims
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1-7. -7. (canceled)
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8. A puncture needle cartridge comprising:
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a columnar lancet body having a puncture needle on the front end side and a puncture instrument mount on the rear end side; a protective cap covering the puncture needle and having a shape extending toward the front end; a skin contact part placed in front of the tip of the puncture needle, having a planar shape perpendicular to the puncture needle, and formed with a through hole to put the protective cap through; an elongate plate-like extension extending from the skin contact part toward the rear end; and an elastic object for coupling the extension to the lancet body and making the tip of the puncture needle be biased to be located in the rear end side behind the skin contact part; wherein the rear portion of the extension is deformable toward the lancet body, the elastic object is shaped like an elongate plate-like member being folded, and there is space between the lancet body and a bent portion of the elastic object which bends convexly toward the lancet body. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification