Patent ID: 11864796
Assignee: OHDAE CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A needle channel usable in a hair transplanter, the needle channel being configured to be coupled to an outer circumference of a center shaft in the hair transplanter to be slidable up and down, the needle channel comprising:
a body having a tubular inner space formed therein;
a needle coupled to a lower end of the body;
a core shaft slidably disposed in the tubular inner space and the needle;
a slot formed on the body in a longitudinal direction and opened in an outward radial direction from a center axis of the center shaft;
a lever coupled to an upper end of the core shaft, and disposed to be slidable up and down in the slot;
a spring fitted over a circumference of the core shaft and having an upper end supported on the lever and a lower end supported on a bottom surface of the slot,
a locking protrusion protruding from the body in the outward radial direction and formed to surround the slot on the left and right; and
a saw-toothed ratchet gear tooth formed at a lower end of the locking protrusion and having an inclination angle only in one direction.