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1. JP2015221265 - GUIDE ASSEMBLY FOR GUIDING CUTS TO FEMUR AND TIBIA DURING KNEE ARTHROPLASTY

Office Japon
Numéro de la demande 2015155693
Date de la demande 06.08.2015
Numéro de publication 2015221265
Date de publication 10.12.2015
Type de publication A5
CIB
A61B 17/56
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
BDIAGNOSTIC; CHIRURGIE; IDENTIFICATION
17Instruments, dispositifs ou procédés chirurgicaux, p.ex. tourniquets
56Instruments ou procédés chirurgicaux pour le traitement des os ou des articulations; Dispositifs spécialement adaptés à cet effet
CPC
A61B 17/155
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
14Surgical saws
15Guides therefor
154for preparing bone for knee prosthesis
155Cutting femur
A61B 17/025
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
02for holding wounds open; Tractors
025Joint distractors
A61B 17/157
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
14Surgical saws
15Guides therefor
154for preparing bone for knee prosthesis
157Cutting tibia
A61B 17/72
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
72Intramedullary ; pins, nails or other; devices
A61B 17/7266
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
72Intramedullary ; pins, nails or other; devices
7233with special means of locking the nail to the bone
7258with laterally expanding parts, e.g. for gripping the bone
7266with fingers moving radially outwardly
A61B 17/7283
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
72Intramedullary ; pins, nails or other; devices
7283with special cross-section of the nail
Déposants RASMUSSEN G LYNN
ラスムッセン ジー リン
Inventeurs RASMUSSEN G LYNN
ラスムッセン ジー リン
Mandataires 西島 孝喜
弟子丸 健
田中 伸一郎
松下 満
倉澤 伊知郎
Données relatives à la priorité 11/349,772 08.02.2006 US
Titre
(EN) GUIDE ASSEMBLY FOR GUIDING CUTS TO FEMUR AND TIBIA DURING KNEE ARTHROPLASTY
(JA) 膝関節置換術の際に大腿骨及び脛骨に対する切削を案内するためのガイド組立体
Abrégé
(EN)

PROBLEM TO BE SOLVED: To provide an instrument for guiding resection of the femur, tibia and other structures in the knee during a knee arthroplasty that works well with minimally invasive approaches to the tibia and femur.

SOLUTION: Provided is an assembly for guiding resection of a femur and tibia of a knee joint in preparation for installing a femoral and tibial knee components. For example, the assembly can include tibial and femoral IM rods to which are connected through a torque bolt that allows controlled adjustment of the distraction of the tibia and femur during cut positioning in a range of flexion angles. Also, the assembly is usable with relatively small, noninvasive approaches to the knee joint by means of relatively narrow, low profile components that attach to tibial and femoral IM rods. Further, the assembly includes several quick-release components to allow fast assembly and disassembly in a surgical setting.

COPYRIGHT: (C)2016,JPO&INPIT

(JA)

【課題】膝関節形成術の際に大腿骨、脛骨、及び、膝内の他の構造の切除を案内するために、脛骨及び大腿骨への低侵襲的アプローチを用いて良好に機能する器具を提供する。
【解決手段】大腿骨及び脛骨の膝コンポーネントの取り付けに備えて、膝関節の大腿骨及び脛骨の切削を案内するための組立体である。例えば、組立体は、屈曲角の範囲内で切削の位置決めをする間、脛骨及び大腿骨の伸延の調節を制御することを可能にするトルク・ボルトを通して接続される、脛骨及び大腿骨のIMロッドを含むことができる。また、組立体は、脛骨及び大腿骨のIMロッドに取り付ける比較的狭くて薄型のコンポーネントを手段とする、膝関節への比較的小さくて非侵襲性のアプローチによって有用である。更に、組立体は、外科手術の現場において迅速な組み立て及び分解を可能にするために、幾つかの簡易脱着コンポーネントを含む。
【選択図】図12