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1. (WO2018225588) SPINAL FUSION IMPLANT
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Pub. No.: WO/2018/225588 International Application No.: PCT/JP2018/020636
Publication Date: 13.12.2018 International Filing Date: 30.05.2018
IPC:
A61B 17/70 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
17
Surgical instruments, devices or methods, e.g. tourniquets
56
Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58
for osteosynthesis, e.g. bone plates, screws or the like
68
Internal fixation devices
70
Spinal positioners or stabilisers
Applicants:
国立大学法人神戸大学 NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY [JP/JP]; 兵庫県神戸市灘区六甲台町1-1 1-1, Rokkodai-cho, Nada-ku, Kobe-shi, Hyogo 6578501, JP
Inventors:
角谷 賢一朗 KAKUTANI, Kenichiro; JP
Agent:
特許業務法人梶・須原特許事務所 KAJI, SUHARA & ASSOCIATES; 大阪府大阪市淀川区西中島5‐14‐22 リクルート新大阪ビル Recruit Shin Osaka BLDG., 5-14-22, Nishinakajima, Yodogawa-ku, Osaka-shi Osaka 5320011, JP
Priority Data:
2017-11349508.06.2017JP
Title (EN) SPINAL FUSION IMPLANT
(FR) IMPLANT DE FUSION VERTÉBRALE
(JA) 脊椎固定インプラント
Abstract:
(EN) The purpose of the present invention is to provide a spinal fusion implant capable of preserving turning properties of vertebral bodies, and in addition, capable of preventing false screwing (false insertion) of screws. Connection plates 3 constituting a spinal fusion implant 101 each have, on a ventral-side surface 3b, a convex-shaped portion 8 that is fitted into a concave-shaped portion of an intervertebral joint 53. In addition, a center hole 3d through which a center rod 4 is slidably inserted is formed on a side surface of the connection plate 3, such that the center of the hole is positioned closer to the back side than a virtual line L1 connecting midpoints on arc-shaped contour lines C of the concave-shaped portions of the adjacent intervertebral joints 53 when viewed from the head side of a human body.
(FR) La présente invention concerne un implant de fusion vertébrale apte à conserver les propriétés de rotation de corps vertébraux et, en outre, apte à empêcher un faux vissage (une fausse insertion) de vis. Des plaques de connexion (3) constituant l'implant de fusion vertébrale (101) comportent chacune, sur une surface côté ventral (3b), une partie de forme convexe (8) qui est ajustée dans une partie de forme concave d’une articulation intervertébrale (53). En outre, un trou central (3d), à travers lequel une tige centrale (4) est insérée de manière coulissante, est formé sur une surface latérale de la plaque de connexion (3), de sorte que le centre du trou soit positionné plus près du côté arrière qu’une ligne virtuelle (L1) reliant les points médians sur les lignes de contour en forme d’arc (C) des parties de forme concave des articulations intervertébrales adjacentes (53), lorsque visualisé depuis le côté tête d’un corps humain.
(JA) 本発明の目的は、椎体の回旋性を温存でき、且つ、これに加えてスクリューの誤捩じ込み(誤刺入)をも防止することができる脊椎固定インプラントを提供することである。 脊椎固定インプラント101を構成するコネクションプレート3は、椎間関節53の凹形状部分に嵌合する凸形状部分8を腹側面3bに有する。また、人体の頭部側から見たときの隣り合う椎間関節53の凹形状部分の円弧状の外郭線C上の中点同士を結ぶ仮想線L1よりも背側に孔中心が位置するように、センターロッド4が摺動自在に挿入されるセンター孔3dがコネクションプレート3の側面に形成されている。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)