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1. WO2022045042 - RADIUS FIXATION PLATE UNIT

Publication Number WO/2022/045042
Publication Date 03.03.2022
International Application No. PCT/JP2021/030730
International Filing Date 23.08.2021
IPC
A61B 17/80 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58for osteosynthesis, e.g. bone plates, screws or the like
68Internal fixation devices
80Cortical plates
A61B 17/86 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58for osteosynthesis, e.g. bone plates, screws or the like
68Internal fixation devices
84Fasteners therefor
86Pins or screws
CPC
A61B 17/80
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58for osteosynthesis, e.g. bone plates, screws, ; setting implements; or the like
68Internal fixation devices ; , including fasteners and spinal fixators, even if a part thereof projects from the skin
80Cortical plates ; , i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
A61B 17/86
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58for osteosynthesis, e.g. bone plates, screws, ; setting implements; or the like
68Internal fixation devices ; , including fasteners and spinal fixators, even if a part thereof projects from the skin
84Fasteners therefor ; or fasteners being internal fixation devices
86Threaded wires; , pins or screws; ; Nuts therefor
Applicants
  • ニプロ株式会社 NIPRO CORPORATION [JP]/[JP]
Inventors
  • 平田 仁 HIRATA, Hitoshi
  • 栗本 秀 KURIMOTO, Shigeru
  • 横田 将史 YOKOTA, Masashi
Agents
  • 山尾 憲人 YAMAO, Norihito
  • 和田 充夫 WADA, Mitsuo
Priority Data
2020-14067124.08.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) RADIUS FIXATION PLATE UNIT
(FR) UNITÉ PLAQUE DE FIXATION DE RAYON
(JA) 橈骨固定プレートユニット
Abstract
(EN) Provided is a radius fixation plate unit that is capable of effectively suppressing the occurrence of cracks due to interlayer peeling at laminated sheet boundaries, and that fixes a radius fixation plate (2) to a radius (3) using a fastening screw (4). The radius fixation plate comprises a screw insertion hole (2d) in which a resin sheet (2k) having a thickness (N) consists of a plurality of layers, and through which a fastening screw is screwed. The pitch (P) of the fastening screw is of a dimension that differs from the integer multiple of the sheet thickness (N).
(FR) La présente invention concerne une unité plaque de fixation de rayon qui est capable de supprimer efficacement l’apparition de fissures dues au pelage intercouche au niveau des limites de feuille stratifiée, et qui fixe une plaque de fixation de rayon (2) à un rayon (3) à l'aide d'une vis de fixation (4). La plaque de fixation de rayon comprend un trou d’insertion de vis (2d) dans lequel une feuille de résine (2k) ayant une épaisseur (N) est constituée d’une pluralité de couches, et à travers lequel une vis de fixation est vissée. Le pas (P) de la vis de fixation est d’une dimension qui diffère du multiple entier de l’épaisseur (N) de feuille.
(JA) 積層されたシートの境目での層間剥離による割れの発生を効果的に抑制することができる橈骨固定プレートユニットを提供するべく、橈骨固定プレート(2)を橈骨(3)に固定ネジ(4)で固定する、橈骨固定プレートユニットであって、橈骨固定プレートは、厚さ(N)の樹脂製のシート(2k)が複数積層されて構成されるとともに、固定ネジがネジ込まれる貫通したネジ挿入穴(2d)を備え、固定ネジのピッチ(P)は、シートの厚さ(N)の整数倍とは異なる寸法であるように構成した。
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