Patent ID: 11925567

Abstract:
The present invention relates to cartilage morcellator for cutting various kinds of cartilage (including costal cartilage and the like) into small pieces by using an elevating-type cutting knife having a simple configuration such that same can be supplied to a plastic surgery part. The cartilage morcellator comprises: an upper body (2) and a lower body (3), which are separated from/coupled to each other; an upper groove (4) and a lower groove (5) formed on the upper and lower portions of the upper body (2), respectively; an isolation portion (6) formed between the upper groove (4) and the lower groove (5); a through-hole (7) formed perpendicularly at the center of the isolation portion (6); an elevating rod (8) fitted to the through-hole (7); a morcellating knife (10) fixed to the bottom surface of the elevating rod (8), the morcellating knife (10) having a zigzag-shaped knife portion (102) and a blade portion (103) formed thereon; a spring (11) fitted to the outer periphery of the elevating rod (8); and a striking portion (12) fastened to the upper portion of the elevating rod (8) and elastically supported by a spring (11). The cartilage morcellator further comprises: a morcellation chamber (13) formed in the lower body (3) and provided with a bottom; a prop plate (14) formed on the bottom of the morcellation chamber (13); a first gripping portion (21) formed on the outer periphery of the upper body (2) so as to have an outer diameter smaller than the outer diameter of the upper end of the upper body (2); a second gripping portion (22) formed to have an outer diameter larger than the outer diameter of the first gripping portion (21); and a plate body (101) having a predetermined thickness, which is fixed to the upper portion of the knife portion (102).