NEEDLE CHANNEL USABLE IN HAIR TRANSPLANT DEVICE, AND NEEDLE CHANNEL BUNDLE COMPRISING SAME

WIPO Patent Application WO/2020/009329

A1

The present invention relates to a needle channel usable in a hair transplant device, and the needle channel can be coupled to the outer circumferential surface of a central shaft inside the hair transplant device so as to be slidable in a vertical direction, and comprises: a body part having a tubular inner space; a needle coupled to the lower end of the body part; a core shaft slidably arranged in the tubular inner space and inside the needle; a slot longitudinally formed in the body part, and opened radially and outwardly from the central axis of the central shaft; a lever coupled to the upper end of the core shaft, and arranged to be slidable in a vertical direction in the slot; and a spring which is inserted into the circumference of the core shaft, and which has an upper end supported by the lever and has a lower end supported by the bottom surface of the slot.

WO/2001/043630	LOCALIZATION OF ANOMALIES AND GUIDANCE OF INVASIVE TOOLS BY IMPEDANCE IMAGING
WO/2022/006308	MEASURING INJECTION CATHETER NEEDLE INSERTION DEPTH AND INJECTION EFFICACY
JP5393095	2-mode blade rest trocar assembly

KIM BYOUNG SUL (KR)
LEE TAE SEONG (KR)

PCT/KR2019/006203

January 09, 2020

May 23, 2019

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OH DAE METAL CO LTD (KR)

A61B17/34; A61B17/00; A61F2/10

US20180132892A1	2018-05-17
KR20180001374A	2018-01-04
KR100958727B1	2010-05-18
KR20160142683A	2016-12-13
KR20170110357A	2017-10-11

See also references of EP 3818953A4

KIM, Dong Jin (KR)

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