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PAINLESS SLOW-EXPANDING PIERCING NEEDLE AND METHOD FOR USING SAME

[Category : - OTHER]
[Viewed 15 times]

A painless slow-expanding piercing needle and a method for using same are disclosed. The painless slow-expanding piercing needle includes: a piercing needle with a diameter not greater than 0.3 mm; and a wire having a first end and a second end. The first end has a greater diameter than second end, the second end is connected to the piercing needle, and the first end is curled into a spiral tube shape. After piercing from one side to form a wound, the piercing needle is separated from second end, and the second end is curled into a spiral tube shape and curled up at the other side of the wound. After the wound heals, uncurling the first end by a length, moving the wire toward the second end to a proper position and curling the first and the second ends tightly are performed for several times until hole expansion is achieved.

Patent publications:

US 12419393

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zengbiao (China)

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