Patent ID: 11889997
Assignee: GREEN MEDICAL SUPPLY., LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 2:
3. The biopsy instrument according to claim 2, wherein the needle carrier (400) comprises:
a carrier body (410) comprising side fitting wings (411) protruding from both sides thereof and a protrusion-fitting hole (415) formed through a rear end thereof to allow the traction protrusion (521) to be fitted thereinto; and
a needle-coupling block (420) protruding upwards from the carrier body (410), the needle-coupling block being coupled at a front portion thereof to the outer needle (300) and coupled at a rear portion thereof to the spring (610), and
wherein the base (100) comprises:
a base plate (110) comprising carrier movement rails (111) to which the side fitting wings (411) of the needle carrier (400) are movably coupled, a traction protrusion coupling hole (114) formed therein so as to correspond to the protrusion-fitting hole (415), and a connection bar movement path (113) formed from the traction protrusion coupling hole (114) to a rear end thereof to allow the carrier connection bar (520) to be moved along the connection bar movement path; and
a curved locking-member guide surface (130) formed at the rear end of the base plate (110) so as to have a predetermined curvature to rotatably support the lower rotary member (810) of the locking member (800).