Patent ID: 11857435
Assignee: PMT REPUBLIC, INC
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 2:
3. The angle-expandable spinal cage according to claim 2, wherein:
the upper plate has a first upper protrusion coupled to one side thereof, the first upper protrusion being accommodated in the first inclined accommodation groove, and a second upper protrusion coupled to the other side thereof, the second upper protrusion being in contact with the second inclined surface of the second inclined part, and
the lower plate has a first lower protrusion coupled to one side thereof, the first lower protrusion being in contact with the first inclined surface of the first inclined part, and a second lower protrusion coupled to the other side thereof, the second lower protrusion being accommodated in the second inclined accommodation groove.