Method for manufacturing puncture needle and puncture needle

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United States of America Patent

PATENT NO 9814487
SERIAL NO

14361197

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Abstract

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A puncture needle includes a needle tube 1 provided with a spiral groove 3 and wall surfaces 3a and 3b of the spiral groove 3 serve as a surface for reflecting ultrasonic waves. The spiral groove is formed on the peripheral surface of the needle tube such that a grinding stone 2 is brought into contact with the peripheral surface of the needle tube while the needle tube 1 is being moved in its axial direction and rotated.

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Patent Owner(s)

Patent OwnerAddress
NIPRO CORPORATION3-26 SENRIOKASHINMACHI SETTSU-SHI OSAKA 5668510

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eizumi, Yutaka Tatebayashi, JP 5 75
Iwase, Yoshiharu Tatebayashi, JP 7 151
Kurokawa, Kenji Tatebayashi, JP 14 249

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