ANATOMICALLY SHAPED KNEE JOINT AUGMENT

• Main Authors: LEE, Sang-Gil, JANG, Young-Woong, YOO, Oui-Sik, KIM, Seok-Joo, KIM, Chan-Eol
• Format: Patent
• Language: English; French; Korean
• Published: 06.06.2019
• Subjects: BANDAGES, DRESSINGS OR ABSORBENT PADS; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PROSTHESES; TREATMENT OR PROTECTION OF EYES OR EARS

The present invention relates to an anatomically shaped knee joint augment and, more specifically, to an anatomically shaped knee joint augment which is used in joint replacement arthroplasty so as to replace a lost bone portion. The augment is used in knee joint replacement arthroplasty so as to be coupled to a knee joint implant, and comprises: an upper surface which comes into contact with the distal surface of a base plate forming the body of a tibia member of the knee joint implant; and a lower surface which comes into contact with a cut section of the tibia, wherein: the lower surface is smaller in area than the upper surface, such that the augment has a shape tapering from top to bottom; and the middle line along which an outer surface meets a section formed when the augment is cut perpendicularly to the upper surface is shaped to be convexly curved outward of the augment with respect to a straight line connecting the upper point at which the middle line meets the upper surface and the lower point at which the middle line meets the lower surface, such that the augment corresponds to the anatomical shape of the cut bone portion. La présente invention concerne une augmentation de l'articulation du genou de forme anatomique et, plus particulièrement, une augmentation de l'articulation du genou de forme anatomique qui est utilisée dans une arthroplastie de remplacement d'articulation de façon à remplacer une partie osseuse perdue. L'augmentation est utilisée dans une arthroplastie de remplacement de l'articulation du genou de manière à être couplée à un implant de l'articulation du genou, et comprend : une surface supérieure qui vient en contact avec la surface distale d'une plaque de base formant le corps d'un élément de tibia de l'implant de l'articulation du genou ; et une surface inférieure qui vient en contact avec une section coupée du tibia, la surface inférieure étant plus petite en termes de surface que la surface supérieure, de telle sorte que l'augmentation a une forme se rétrécissant de haut en bas ; et la ligne médiane le long de laquelle une surface externe rencontre une section formée lorsque l'augmentation est coupée perpendiculairement à la surface supérieure est formée pour être incurvée de manière convexe vers l'extérieur de l'augmentation par rapport à une ligne droite reliant le point supérieur auquel la ligne médiane rencontre la surface supérieure et le point inférieur auquel la ligne médiane rencontre la surface inférieure, de telle sorte que l'augmentation correspond à la forme anatomique de la partie osseuse coupée. 본 발명은 해부학적 형상을 가진 슬관절 보강요소에 관한 것으로, 더욱 상세하게는 인공관절 치환술에 사용되어 손실된 뼈를 대체하는 보강요소에 있어서, 상기 보강요소는 인공슬관절 치환술에 사용되어 슬관절 임플란트에 결합되며, 경골요소의 몸체를 이루는 베이스플레이트의 윈위면에 접하는 상면과, 경골의 절단면에 접하는 하면을 포함하며, 하면은 상면보다 넓이가 작아 상측에서 하측으로 갈수록 좁아지는 테이퍼 형상을 가지고, 상기 상면에 수직으로 자른 일단면과 상기 외부면이 만나는 중간선은, 상기 중간선과 상면이 만나는 상점과 중간선이 하면과 만나는 하점을 잇는 직선에 대하여 보강요소의 외측으로 볼록한 곡선의 형태를 띄어 절삭된 뼈의 해부학적 형상에 상응하는 것을 특징으로 하는 해부학적 형상을 가진 슬관절 보강요소에 대한 것이다.