JP2003521288A - 背骨インプラント用の多軸コネクタ - Google Patents
背骨インプラント用の多軸コネクタInfo
- Publication number
- JP2003521288A JP2003521288A JP2001511833A JP2001511833A JP2003521288A JP 2003521288 A JP2003521288 A JP 2003521288A JP 2001511833 A JP2001511833 A JP 2001511833A JP 2001511833 A JP2001511833 A JP 2001511833A JP 2003521288 A JP2003521288 A JP 2003521288A
- Authority
- JP
- Japan
- Prior art keywords
- hole
- connecting member
- screw
- fixing
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7041—Screws or hooks combined with longitudinal elements which do not contact vertebrae with single longitudinal rod offset laterally from single row of screws or hooks
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
Description
クタに関する。
付けすることのできる背骨インプラントが開示されている。
り、この固定部分は、ストッパを形成する多角形の断面を有する中間部材を介し
て、クランプ用ナットと協働する突出状のねじ部ヘッドから分離されている。
ねじ部ヘッドと協働して、連結ロッドを取り付けることができるようにしている
。
って連結されていて、クリップ部材を形成している。二つのブランチには同軸の
対向する穴が開けられており、これらの穴は固定用ねじの突出したねじ部ヘッド
をその中へ通すように、また多角形形状のストッパへ当接させるように設計され
ている。
形成している。この穴は、連結ロッドを収容するように設計された中心穴が設け
られた圧縮スリーブと協働する。
るためである。従って、ナットを固定用ねじの突出したねじ部ヘッドへ締め付け
るまえに、連結ロッドを決められた角度位置に配置することができる。
ト連結を形成するリングの穴の内側へのスリーブの取り付けに関して、いくつか
欠点を有している。さらに詳しくは、この組み付けでは背骨インプラントを固定
したとき、ロッドが穴の上端及び下端に当接するためにこの連結ロッドは十分に
移動できない。
においては脊椎骨本体に対してすべての方向に回動可能であり、他方においては
前記コネクタに対して連結ロッドを大きな振幅で回動できるようにすることを目
的としている。
を有する中間ヘッドとクランプ用ナットを受容する第2のねじ部とを有する固定
用ねじと、 第1の連結用部材と、 第2の連結用部材と、 連結手段と、 を有し、第1の連結用部材には、固定用ねじの第2のねじ部を受容するように設
計された穴と、球形の環状トラックをその内側に有する別の穴と、穴の中を貫い
て環状トラックのところで穴の中へ開口するスロットとが穿たれており、 第2の連結用部材には、連結ロッドを受容するように設計された穴と、前記ロ
ッドが並進運動しないように固定するための連結ねじと協働するねじ穴とが穿た
れており、 連結手段は一方においてはボールジョイントを形成していて、第1及び第2の
連結用部材を互いに連結するとともにこれらの連結用部材の一方を他方に対して
回動できるようにし、連結ロッドを決められた角度位置に配置できるようにして
おり、また他方においては連結ロッドを前記部材の回動中心に対して横方向にず
らすことができるようにしている。
している。連結手段は、前記部材の外面の一つの上に設けられたフィンガから構
成されている。フィンガからは球形のヘッドが延びていて、このヘッドが第1の
連結用部材の穴の球形トラックと協働できるようになっている。
1の部材を有している。前記ナットを締め付けることによって連結手段の回転が
固定されたとき、このベアリング面には固定用ねじのクランプ用ナットと中間ス
トッパがそれぞれ当接する。
結部材を有している。前記ブランチは曲面状の壁によってつながっており、固定
用ねじのナットのクランプ力によって変形して、連結手段の回転を固定すること
ができる。
面内に配置された第1の連結用部材を有している。
る第2の連結用部材を有している。
、発明がもたらすと思われる利点をより理解することができよう。添付図面は単
なる例示のためのものであり、発明を限定するものではない。
とともに、連結ロッド2を固定して背骨インプラントAを形成することができる
。背骨インプラントAの各多軸コネクタ1は脊柱の脊椎骨Bの本体へ固定される
。
ッド2を収容するための第1及び第2の連結用部材4、5と、連結用部材4、5
を互いに連結かつ回動させるためのボールジョイントを形成する連結手段15を
有している。
6と、ストッパを形成する六角形形状の中間ヘッド7と、前記ストッパの上方に
これと連続して延びる第2のねじ部8を有している。
の骨組織の中へ入れることができる。
受容するように設計されている。第1の連結用部材は中間ヘッド7へ当接するよ
うになっている。
状のベアリング面11、12を有し、固定用ねじ3が穴10へ通されると、これ
らのベアリング面に固定用ねじ3のクランプ用ナット9と中間ヘッド7がそれぞ
れ当接する。
その内側の中心に環状トラック14を有し、この環状トラックの形状は部分球形
状である。
口するスロット16を有している。従って、連結用部材4はスロット16の両側
にブランチ17、18を有し、ブランチ17、18は穴19の境界を形成する曲
面状の壁19によって互いにつながっている。明らかに、ブランチ17,18の
各々は固定用ねじ3を通すための穴10を有している。
されている。
じ3のナット9のクランプ力によって変形可能になっており、従って、連結用部
材4は、あとでさらに明らかになるように、連結用部材5に固定された連結手段
15を角度方向に動かないようにできるクリップを構成している。
容するための開放した穴20が開けられている。
20に開口し、また連結用部材に対する連結ロッド2の並進運動を固定するため
に、連結ねじ22を収容するように設計されている。
つに設けられたフィンガ23から構成されており、フィンガ23からは球形のヘ
ッド24が延びている。
を用いて患者の脊椎骨Bへ保持される。
連結用部材4には連結手段15を介して第2の連結用部材5が取り付けられ、連
結手段15は球形のヘッド24から構成されている。このヘッド24は前記第1
の連結用部材の穴13の内側に形成された球形のトラック14と協働する。
互いに連結しており、他方においては二つの連結用部材の間でボールジョイント
連結を形成していて連結ロッド2の角度調節を可能にしている。
方向に移動可能にしており、前記ロッドが大きな角度で移動できるようになって
いる。
ねじ込まれた連結ねじ22によってその中で横方向に保持される。
連結ロッド2の角度位置を決めると、ナット9を固定用ねじ3のねじ部8に対し
て締め付け、こうして、第1の連結用部材4がスロット16によって変形して、
球状ヘッド24がトラック14の内側で固定される。
のベアリング面11、12にそれぞれ当接することに注目されたい。
の位置のために、連結用部材4、5は、対応する脊椎骨Bの関節とは接触しない
ことに注目されたい。
を詳細に示す分解斜視図である。
Claims (6)
- 【請求項1】 連結ロッド(2)を脊椎骨本体(B)に対して所定の角度位
置に保持するための背骨インプラント(A)を作るための多軸コネクタであって
、 前記コネクタ(1)が固定用ねじ(3)によって各脊椎骨本体(B)へ固定され
ており、前記固定用ねじが、それを骨組織の中へ固定するための第1のねじ部(
6)と六角形形状を有する中間ヘッド(7)とクランプ用ナット(9)が取り付
けられる第2のねじ部(8)とを有するものにおいて、 第1の連結用部材(4)と、 第2の連結用部材(5)と、 連結手段(15)と、 を有し、前記第1の連結用部材(4)に、固定用ねじ(3)の第2のねじ部(8
)を受容するように設計された穴(10)と、球形の環状トラック(14)をそ
の内側に有する別の穴(13)と、穴(10)の中を貫いて環状トラック(14
)のところで穴(13)の中へ開口するスロット(16)とが穿たれており、 前記第2の連結用部材(5)に、連結ロッド(2)を受容するように設計され
た穴(20)と、前記ロッドが並進運動しないように固定するための連結ねじ(
22)と協働するねじ穴(21)とが穿たれており、 前記連結手段(15)が一方においてはボールジョイントを形成していて、第
1及び第2の連結用部材(4、5)を互いに連結するとともにこれらの連結用部
材の一方を他方に対して回動できるようにして、連結ロッド(2)を所定の角度
位置に配置できるようにしており、また他方においては連結ロッド(2)を前記
部材(4、5)の回動中心に対して横方向にずらすことができるようになってい
る多軸コネクタ。 - 【請求項2】 第2の連結用部材(5)が連結手段(15)を有し、この連
結手段が、前記部材の外面の一つの上に設けられたフィンガ(23)から構成さ
れており、このフィンガから球形のヘッド(24)が延びていて、前記ヘッドが
第1の連結用部材(4)の穴(13)の球形トラック(14)と協働可能になっ
ている請求項1記載の多軸コネクタ。 - 【請求項3】 穴(10)が円筒形状のベアリング面(11、12)を有し
、前記ナット(9)を締め付けることによって連結手段(15)の回転が固定さ
れると、これらのベアリング面に対して固定用ねじ(3)のクランプ用ナット(
9)と中間ストッパ(7)がそれぞれ当接する請求項1記載の多軸コネクタ。 - 【請求項4】 連結用部材(4)がスロット(16)の両側にブランチ(1
7、18)を有し、これらのブランチが曲面状の壁(19)によって互いにつな
がっていて、固定用ねじ(3)のナット(9)のクランプ力によって変形し、連
結手段(15)の回転を固定することができる請求項1記載の多軸コネクタ。 - 【請求項5】 スロット(16)が、連結用部材(4)の穴(10、13)
の主軸と直角に交差する平面内に配置されている請求項1記載の多軸コネクタ。 - 【請求項6】 第2の連結用部材(5)のねじ穴(21)が直角方向に前記
穴(20)へ開口している請求項1記載の多軸コネクタ。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR99/09755 | 1999-07-23 | ||
| FR9909755A FR2796546B1 (fr) | 1999-07-23 | 1999-07-23 | Connecteur polyaxial pour implant rachidien |
| PCT/FR2000/001781 WO2001006939A1 (fr) | 1999-07-23 | 2000-06-26 | Connecteur polyaxial pour implant rachidien |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003521288A true JP2003521288A (ja) | 2003-07-15 |
| JP4587628B2 JP4587628B2 (ja) | 2010-11-24 |
Family
ID=9548590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001511833A Expired - Fee Related JP4587628B2 (ja) | 1999-07-23 | 2000-06-26 | 背骨インプラント用の多軸コネクタ |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6676661B1 (ja) |
| EP (1) | EP1196102B1 (ja) |
| JP (1) | JP4587628B2 (ja) |
| KR (1) | KR100592837B1 (ja) |
| AT (1) | ATE274852T1 (ja) |
| AU (1) | AU5991900A (ja) |
| DE (1) | DE60013449T2 (ja) |
| ES (1) | ES2225176T3 (ja) |
| FR (1) | FR2796546B1 (ja) |
| HU (1) | HU224419B1 (ja) |
| WO (1) | WO2001006939A1 (ja) |
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| US8187303B2 (en) | 2004-04-22 | 2012-05-29 | Gmedelaware 2 Llc | Anti-rotation fixation element for spinal prostheses |
| ATE285207T1 (de) | 1999-10-22 | 2005-01-15 | Archus Orthopedics Inc | Facettenarthroplastiegeräte |
| FR2801778B1 (fr) * | 1999-12-03 | 2002-02-08 | Spinevision | Ensemble de connexion pour le domaine de l'osteosynthese rachidienne |
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1999
- 1999-07-23 FR FR9909755A patent/FR2796546B1/fr not_active Expired - Fee Related
-
2000
- 2000-06-26 HU HU0202080A patent/HU224419B1/hu not_active IP Right Cessation
- 2000-06-26 US US10/031,395 patent/US6676661B1/en not_active Expired - Fee Related
- 2000-06-26 EP EP00946016A patent/EP1196102B1/fr not_active Expired - Lifetime
- 2000-06-26 JP JP2001511833A patent/JP4587628B2/ja not_active Expired - Fee Related
- 2000-06-26 KR KR1020027000892A patent/KR100592837B1/ko not_active Expired - Fee Related
- 2000-06-26 WO PCT/FR2000/001781 patent/WO2001006939A1/fr not_active Ceased
- 2000-06-26 ES ES00946016T patent/ES2225176T3/es not_active Expired - Lifetime
- 2000-06-26 DE DE60013449T patent/DE60013449T2/de not_active Expired - Lifetime
- 2000-06-26 AU AU59919/00A patent/AU5991900A/en not_active Abandoned
- 2000-06-26 AT AT00946016T patent/ATE274852T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HU224419B1 (hu) | 2005-08-29 |
| FR2796546A1 (fr) | 2001-01-26 |
| FR2796546B1 (fr) | 2001-11-30 |
| ES2225176T3 (es) | 2005-03-16 |
| KR100592837B1 (ko) | 2006-06-26 |
| ATE274852T1 (de) | 2004-09-15 |
| AU5991900A (en) | 2001-02-13 |
| JP4587628B2 (ja) | 2010-11-24 |
| EP1196102B1 (fr) | 2004-09-01 |
| US6676661B1 (en) | 2004-01-13 |
| KR20020027499A (ko) | 2002-04-13 |
| WO2001006939A1 (fr) | 2001-02-01 |
| HUP0202080A2 (en) | 2002-10-28 |
| DE60013449D1 (de) | 2004-10-07 |
| EP1196102A1 (fr) | 2002-04-17 |
| DE60013449T2 (de) | 2005-10-13 |
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