JP4408703B2 - ペディクルスクリューコネクター装置とその方法 - Google Patents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, setting implements or the like
- 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 ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, setting implements or the like
- 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 ; Bone 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
- A61B17/7038—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other to a different extent in different directions, e.g. within one plane only
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Description
本発明によれば、低プロファイルの接続装置(connector device)は、例えば脊椎安定化外科手術において用いられる脊椎ロッドインプラントとペディクルスクリューのシャフトのように、2本の円筒形の物体またはロッドを互いに接合するために用いられる。本発明は、1点での締め付けが可能な角度可変コネクターである。より詳しくは、ロッド(複数)のコネクターのリセプタクル(容器)への挿入後、それらはリセプタクル内で縦方向に動かすことができる。また、リセプタクル内で回転させることができる。
図1を参照すると、本発明のコネクターの第1の実施例が示されている。コネクター10は第1のロッドバンド45と第2のロッドバンド105を含んでいる。さらに、コネクターはコネクターの内部に大体円錐形の面となる表面(複数)を含んでいる。
15 ぺディクルスクリュー
17、87 頭部開口
19 平滑シャフト部または脚部
20 ロッド
25 ロッドの端部
30 ロッド位置
35 第1のメンバー
40、505 第1の構造体
45 第1のロックバンド
50 第1のバンド止め具
55、520 スリット
60a、60b 接合部
65a、65b 開口
70、285 内側が大体円錐形の面
75 中央構造体の開口
80 第1のロッド位置
85 締め付けスクリュー
90、90’第2のメンバー
100 第2の構造体
105 第2のロッドバンド
110 第2のロッドバンド止め具
115、295 外側が大体円錐形の面
120 第2の中央構造体
125 第2のロッド位置
130 表面織り目加工
205 第1のロッド受け入れメンバー
210 第1のインターロッキング部分
215 第1のロッド受け入れ部分
220 おねじ
225 第1のロッド開口
230 第2の受け入れメンバー
235 第2のインターロッキング部分
240 第2の受け入れ部分
250 第2のロッド開口
255、255’第1の円錐面メンバー
260、260’300 第1の中央開口
265a、265b、305a、305b グルーブ
270 第1の円形開口
275、315 凹部
280、320 フランジ
290 第2の円錐面メンバー
310 第2の円形開口
510a、510b 構造体接合部
515a、515b 区分開口
525a、525b クレードルウイング
Claims (48)
- 2本のロッドを互いに固定するためのコネクターであって、
(a)スリットを含む第1の大体円錐台形の面であって、前記スリットが前記第1の大体円錐台形の面内に円弧角を有するとともに前記第1の大体円錐台形の面を貫通する、第1の大体円錐台形の面と、
前記スリットに隣接して互いに対向する複数の接合部と、
前記2本のロッドの第1のロッドを受け入れるための第1のロッドバンドを含む第1のリセプタクル(容器)であって、前記第1のロッドバンドが第1のロッドバンド留め具を備える、第1のリセプタクルと、
前記2本のロッドの第2のロッドを受け入れるための第2のリセプタクルと、
前記第1の大体円錐台形の面と少なくとも部分的に接触する第2の大体円錐台形の面と、
を含む構造体と、
(b)前記複数の接合部を互いに向かわせるように強制する手段と、
を備え、
前記強制する手段を動作させるとき、前記第1の大体円錐台形の面の直径が減少し、それにより前記第1の大体円錐台形の面が前記第2の大体円錐台形の面に対して移動して、前記第1及び第2のリセプタクルを締め付け、前記2本のロッドが前記コネクターによって連結される、
コネクター。 - 前記構造体がツーピース(二体)構造である請求項1に記載のコネクター。
- 前記強制する手段が締め付けスクリューを備える請求項1に記載のコネクター。
- 前記第1の大体円錐台形の面が約20度と60度の間の角度を持つ請求項1に記載のコネクター。
- 前記第1の大体円錐台形の面が約30度と45度の間の角度を持つ請求項1に記載のコネクター。
- 前記第2のリセプタクルが第2のロッドバンドを備える請求項1に記載のコネクター。
- 前記第2のロッドバンドが第2のロッドバンド止め具を備える請求項6に記載のコネクター。
- 前記第1のリセプタクルがペディクルスクリューの脚部を受け入れるように構成されている請求項1に記載のコネクター。
- 前記第2のリセプタクルが脊椎安定用ロッドを受け入れるように構成されている請求項1に記載のコネクター。
- 前記第1のリセプタクルが前記第2のリセプタクルにねじ止めされている請求項1に記載のコネクター。
- 前記第1のリセプタクルがさらに表面織り目加工を備える請求項1に記載のコネクター。
- 前記第2のリセプタクルがさらに表面織り目加工を備える請求項1に記載のコネクター。
- 2本のロッドを固定するためのコネクターであって、
(a)前記2本のロッドの第1のロッドを受け入れるための第1のリセプタクルと、スリットを含む第1の大体円錐台形の面と、前記スリットに隣接して互いに対向する複数の接合部と、を含む第1のメンバーと、
(b)前記2本のロッドの第2のロッドを受け入れるための第2のリセプタクルと、前記第1の大体円錐台形の面に少なくとも部分的に接触する第2の大体円錐台形の面と、を含み、前記第1のメンバーに接続されている第2のメンバーと、
(c)前記互いに対向する接合部を互いに向かわせるように強制する手段と、
を備え、
前記強制する手段を動作させるとき、前記第1の大体円錐台形の面の直径が減少し、前記互いに対向する複数の接合部が近接するよう強制されるとき、前記第2の大体円錐台形の面が移動するように強制されて、前記第1のメンバーと前記第2のメンバーの内部に前記2本のロッドをコネクターに固定する張力が発生する、
コネクター。 - 前記強制する手段が締め付けスクリューを備える請求項13に記載のコネクター。
- 前記第1の大体円錐台形の面が約30度と45度の間の角度を持つ請求項13に記載のコネクター。
- 前記第1のリセプタクルがバンドを備える請求項13に記載のコネクター。
- 前記第2のリセプタクルがバンドを備える請求項13に記載のコネクター。
- 前記第1のリセプタクルがペディクルスクリューの脚部を受け入れるように構成されている請求項13に記載のコネクター。
- 前記第2のリセプタクルが脊椎安定用ロッドを受け入れるように構成されている請求項13に記載のコネクター。
- 前記第1のメンバーが前記第2のメンバーにねじ止めされている請求項13に記載のコネクター。
- ロッドとペディクルスクリューのシャフトを固定するためのコネクターであって、
(a)第1の中央開口と互いに対向する複数の接合部に隣接するスリットとを備える内側が大体円錐台形の面を含む第1のメンバーであって、さらに、一部が前記第1の中央開口を少なくとも部分的に通るように配設された第1のロッドバンドを含む、第1のメンバーと、
(b)前記内側が大体円錐台形の面に接触するように形成された外側が大体円錐台形の面を含む第2のメンバーであって、第2の中央開口と、前記第2の中央開口を少なくとも部分的に通るように配設された第2のロッドバンドとを含む、第2のメンバーと、
(c)前記第1のロッドバンドを前記第2のロッドバンドに相互接続する手段と、
(d)前記互いに対向する複数の接合部を互いに向かわせるように強制する手段と、
を備え、
前記強制する手段を動作させるとき、前記内側が大体円錐台形の面の直径が減少し、前記ロッドが前記第1のロッドバンド又は前記第2のロッドバンドのいずれか一方を通して配置され、前記ペディクルスクリューの前記シャフトが前記第1のロッドバンド又は前記第2のロッドバンドのいずれか他方を通して配置される、
コネクター。 - 前記相互接続する手段がねじによる接続部を備える請求項21に記載のコネクター。
- 前記相互接続する手段が溶接された接続部を備える請求項21に記載のコネクター。
- 前記強制する手段がねじを切ったスクリューを備える請求項21に記載のコネクター。
- 前記内側が大体円錐台形の面が約20度と60度の間の角度を持つ請求項21に記載のコネクター。
- ロッドを有する脊椎インプラントに取り付けるためのコネクター装置であって、
第1の円錐台形の面の互いに対向する複数の接合部を分離するスリットを有する第1の円錐台形の面と、
前記第1の円錐台形の面の少なくとも一部に接触する第2の円錐台形の面であって、前記第1の円錐台形の面に動作的に関連する第2の円錐台形の面と、
前記第1又は第2の円錐台形の面の少なくとも1つに接続された少なくとも1つのバンドであって、前記ロッドの少なくとも一部を受け入れるためのバンドと、
前記互いに対向する複数の接合部を少なくとも部分的に近付けるための手段と、
を備え、
前記近付けるための手段を動作させるとき、前記第1の円錐台形の面の直径が減少して、前記第1の円錐台形の面が第2の円錐台形の面に対して移動し、それにより前記ロッドの前記一部の回りに前記バンドが締め付けられ、前記ロッドに前記コネクター装置が固定される、
コネクター装置。 - 前記第1の円錐台形の面と前記第2の円錐台形の面と前記バンドとが、複数のメンバーで構成されている請求項26に記載のコネクター装置。
- さらに、第2のロッドを受け入れるための第2のバンドであって、前記第1又は第2の円錐台形の面の少なくとも1つに接続された第2のバンドを備え、
前記第2のバンドが、前記近付けるための手段の動作により前記第2のロッドを固定する請求項26に記載のコネクター装置。 - 前記第1又は第2の円錐台形の面の1つが、当該面に一体的に接続されるロッドを備える請求項26に記載のコネクター装置。
- 前記ロッドがペディクルスクリューのシャフトを備える請求項29に記載のコネクター装置。
- ロッドを有する脊椎インプラントに取り付けるためのコネクター装置であって、
複数の円錐台形の面であって、当該複数の円錐台形の面の少なくとも1つが、前記円錐台形の面の少なくとも1つにおける円弧角を少なくとも部分的に小さくするように第2の円錐台形の面を移動させることによって前記複数の円錐台形の面の少なくとも1つの直径を減少させる手段を含む、複数の円錐台形の面と、
前記ロッドの少なくとも一部に係合するための手段であって、前記複数の円錐台形の面に動作的に関連する、係合するための手段と、
を備え、
前記複数の円錐台形の面が、第2の円錐台形の面に少なくとも部分的に接触する第1の円錐台形の面を含み、
前記係合するための手段が、前記減少させる手段の動作により前記ロッドを前記複数の円錐台形の面の少なくとも1つに固定する、
コネクター装置。 - 前記複数の円錐台形の面と前記係合するための手段とが複数のメンバーで構成されている請求項31に記載のコネクター装置。
- さらに、ペディクルスクリュー又は第2のロッドに係合するための第2の手段を備え、
前記第2の手段は、前記複数の円錐台形の面に動作的に関連し、前記減少させる手段の動作により前記第2のロッド又は前記ペディクルスクリューを前記複数の円錐台形の面に固定する、
請求項31に記載のコネクター装置。 - 前記複数の円錐台形の面の1つが、当該面に一体的に接続されるロッドを備える請求項31に記載のコネクター装置。
- 前記ロッドがペディクルスクリューのシャフトを備える請求項34に記載のコネクター装置。
- 2つのロッドを固定するためのコネクターであって、
(a)前記2つのロッドの第1のロッドを受け入れるための第1のリセプタクルと、スリットを有する第1の傾斜壁と、前記スリットに隣接して互いに対向する複数の接合部と、を備える第1のメンバーと、
(b)前記2つのロッドの第2のロッドを受け入れるための第2のリセプタクルと、前記第1の傾斜壁に少なくとも部分的に接触する第2の傾斜壁とを備え、前記第1のメンバーに接続された第2のメンバーと、
(c)前記互いに対向する複数の接合部を互いに向かわせるように強制する手段と、
を備え、
前記第1の傾斜壁は、前記互いに対向する複数の接合部が互いに向けて移動するときに前記強制する手段が動作することによって変形され、前記互いに対向する複数の接合部をより近接するように強制するとき、前記第2の傾斜壁が移動するように強制されて、前記第1のリセプタクルが前記2つのロッドの前記第1のロッドを前記第1のメンバーに固定するとともに、前記第2のリセプタクルが前記2つのロッドの前記第2のロッドを前記第2のメンバーに固定する、
コネクター。 - 前記コネクターがツーピース(二体)構造である請求項36に記載のコネクター。
- 前記強制する手段がねじを切ったスクリューを備える請求項36に記載のコネクター。
- 前記第1の傾斜壁が約20度と60度の間の角度を持つ請求項36に記載のコネクター。
- 前記第1のリセプタクル及び前記第2のリセプタクルの少なくとも1つがロッドバンドを備える請求項36に記載のコネクター。
- 前記第1のリセプタクルがペディクルスクリューの脚部を受け入れるように構成されている請求項36に記載のコネクター。
- 前記第2のリセプタクルが脊椎ロッドを受け入れるように構成されている請求項36に記載のコネクター。
- 前記第1のリセプタクルが前記第2のリセプタクルにねじ止めされている請求項36に記載のコネクター。
- 前記第1のリセプタクル及び第2のリセプタクルの少なくとも1つが表面織り目加工を備える請求項36に記載のコネクター。
- ロッドを含む脊椎インプラントに取り付けるためのコネクター装置であって、
複数の傾斜メンバーであって、前記複数の傾斜メンバーの少なくとも1つが、前記複数の傾斜メンバーの少なくとも1つにおける円弧角を少なくとも部分的に小さくすることによって前記複数の傾斜メンバーの少なくとも1つを変形させる手段を備える、複数の傾斜メンバーと、
前記ロッドの少なくとも一部と係合するための手段であって、複数の傾斜メンバーと動作的に関連する、係合するための手段と、
を備え、
前記複数の傾斜メンバーは、第2の傾斜メンバーに少なくとも部分的に接触する第1の傾斜メンバーを備え、前記第2の傾斜メンバーは、前記円弧角が少なくとも部分的に小さくなるときに移動し、
前記係合するための手段は、前記変形させる手段の動作により前記ロッドを前記複数の傾斜メンバーの少なくとも1つに固定する、
コネクター装置。 - さらに、ペディクルスクリュー又は第2のロッドと係合するための第2の手段を備え、
前記第2の手段は、前記複数の傾斜メンバーに動作的に関連し、前記変形させる手段の動作により前記第2のロッド又はペディクルスクリューを前記複数の傾斜メンバーに固定する、請求項45に記載のコネクター装置。 - 前記複数の傾斜メンバーの1つは、当該傾斜メンバーに一体的に接続されるロッドを備える請求項45に記載のコネクター装置。
- 前記ロッドはペディクルスクリューのシャフトを備える請求項47に記載のコネクター装置。
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Application Number | Priority Date | Filing Date | Title |
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US35924602P | 2002-02-20 | 2002-02-20 | |
PCT/US2003/005086 WO2003073908A2 (en) | 2002-02-20 | 2003-02-20 | Pedicle screw connector apparatus and method |
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JP2005525157A JP2005525157A (ja) | 2005-08-25 |
JP4408703B2 true JP4408703B2 (ja) | 2010-02-03 |
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JP2003572434A Expired - Fee Related JP4408703B2 (ja) | 2002-02-20 | 2003-02-20 | ペディクルスクリューコネクター装置とその方法 |
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JP (1) | JP4408703B2 (ja) |
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CA (1) | CA2475200C (ja) |
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-
2003
- 2003-02-20 EP EP03733832A patent/EP1545353B1/en not_active Expired - Lifetime
- 2003-02-20 JP JP2003572434A patent/JP4408703B2/ja not_active Expired - Fee Related
- 2003-02-20 US US10/371,317 patent/US7763047B2/en not_active Expired - Fee Related
- 2003-02-20 CA CA2475200A patent/CA2475200C/en not_active Expired - Fee Related
- 2003-02-20 DE DE60333764T patent/DE60333764D1/de not_active Expired - Lifetime
- 2003-02-20 AT AT03733832T patent/ATE476930T1/de not_active IP Right Cessation
- 2003-02-20 AU AU2003239118A patent/AU2003239118B2/en not_active Ceased
- 2003-02-20 WO PCT/US2003/005086 patent/WO2003073908A2/en active Application Filing
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US8221459B2 (en) | 2012-07-17 |
US7763047B2 (en) | 2010-07-27 |
AU2003239118B2 (en) | 2007-09-20 |
EP1545353A2 (en) | 2005-06-29 |
US20030171751A1 (en) | 2003-09-11 |
AU2003239118A1 (en) | 2003-09-16 |
DE60333764D1 (de) | 2010-09-23 |
CA2475200A1 (en) | 2003-09-12 |
WO2003073908A3 (en) | 2005-04-28 |
EP1545353B1 (en) | 2010-08-11 |
EP1545353A4 (en) | 2009-06-24 |
US20110022094A1 (en) | 2011-01-27 |
JP2005525157A (ja) | 2005-08-25 |
CA2475200C (en) | 2011-02-15 |
ATE476930T1 (de) | 2010-08-15 |
WO2003073908A2 (en) | 2003-09-12 |
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