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JPH06128B2 - 梗節係合手段 - Google Patents

梗節係合手段

Info

Publication number
JPH06128B2
JPH06128B2 JP1511519A JP51151989A JPH06128B2 JP H06128 B2 JPH06128 B2 JP H06128B2 JP 1511519 A JP1511519 A JP 1511519A JP 51151989 A JP51151989 A JP 51151989A JP H06128 B2 JPH06128 B2 JP H06128B2
Authority
JP
Japan
Prior art keywords
infarct
bridge member
clip
holes
engaging means
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.)
Expired - Lifetime
Application number
JP1511519A
Other languages
English (en)
Other versions
JPH03503496A (ja
Inventor
ドーブ・ジヨン
ラーマタルラ，アブダル・アズイズ
セル，フイリツプ・ジヨン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAAJIKURAFUTO Ltd
Original Assignee
SAAJIKURAFUTO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SAAJIKURAFUTO Ltd filed Critical SAAJIKURAFUTO Ltd
Publication of JPH03503496A publication Critical patent/JPH03503496A/ja
Publication of JPH06128B2 publication Critical patent/JPH06128B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61B17/7053—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant with parts attached to bones or to each other by flexible wires, straps, sutures or cables

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Neurology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Description

【発明の詳細な説明】 本発明は脊椎手術に供するための梗節係合手段に関す
る。梗節捩子は、脊椎の内固定系における使用に関して
は良く知られている。しかしながら、梗節捩子を分節脊
椎固定系へ用いようとする試みには問題が生じる。或る
梗節捩子は、これを分節脊椎固定に使用されるロッド、
若しくは他の装置に固定するためのワイヤを必要とす
る。それに代えて時々用いられるのは、プレート（ロッ
ドに代わる）または注文製作の装置の使用である。梗節
捩子は、板(lamina)が呈されない場合、及びその結果と
して補助板(sub-lamina)結紮法が不適切な場合に使用し
得る。
本発明の目的は、「ルキューロッド(Luque rods)」の如
き分節が存在する脊椎固定用装置、即ち更に詳しくは、
背部脊椎手術用の「ハートシル矩形(Hartshill Rectang
les)」との使用に特に適する梗節係合手段を提供するこ
とである。
本発明によれば、梗節係合手段は、弧形の各側部に孔が
設けられた弧状中央部分と、各々が梗節捩子を回転可能
に収容する穴が設けられた一対の概ね共平面な端部とを
有するブリッジ部材と；各々が、ブリッジ部材の弧状部
分の一つの孔に係合可能な先端と、梗節捩子を回転可能
に収容する穴が設けられた固定部分とを有する一対のク
リップ部材とを備え；クリップ部材の先端がブリッジ部
材の弧状部分の個々の孔に係合した際に、クリップ部材
の穴がブリッジ部材の個々の端部の穴に揃えられ、クリ
ップ部材のその先端と固定部分との間の部分がクランク
状に曲げられることにより、この部分が、ブリッジ部材
の弧状部分と個々の端部との間の係合部と共に、脊椎固
定装置のロッド若しくはロッド状部分を取り囲むための
一対のクランプ留め部品を形成する。
本発明の梗節係合手段が使用される場合としは、目下の
ところ次の３つの類似な場合が予想される。
１．腰部領域に既に広範囲の椎弓切除結紮がなされてい
る場合。
２．特に脊椎滑り症における滑りを整復させるために、
多数の高さのブリッジ渡架、及び介在する高さの係合が
必要な場合。
３．現今では、補助板結紮法が固定を得るために含まれ
るべき水準に及ばない若い患者における痛ましい脊椎分
離症の場合。それに対して、本発明の梗節係合手段で
は、内固定は一つの運動分節を制限し得る。
ブリッジ部材と二つのクリップ部材は、柔軟な素材を除
く生物適合素材で形成し得る。例えば素材ステンレス鋼
板は、弧状部分の形状を捩子穴の間の間隔並びに／若し
くは捩子穴を含む端部間の芯合わせまたは角形状を変化
させるために外科医により変更され得る。しかしなが
ら、異なる径間並びに／若しくは高さの弧状部分と共
に、一種類よりも多くの大きさのブリッジ部材を備え得
る。弧状部分の幅は、クリップ部材の先端による係合用
の孔の間で挟まり得る。例えば弧状部分の縁は、近接す
る脊椎突起に対して間隙が与えられるように、中央に最
小幅を有する首部を形成するように、上方から見て凹面
を成し得る。ブリッジ部材の端部の穴並びに／若しくは
クリップ部材の固定部材の穴は、ブリッジ部材の端部の
概ね平面に対する梗節捩子の間隔並びに／若しくは傾斜
を調整を可能とするように、ブリッジ部材の長手幅方向
へ延伸され得る。穴の形成及び延伸は、ブリッジ部材の
端部とクリップ部材の固定部分との個々に適用されて、
ブリッジ部材の弧状部分に向かって移動してクリップ部
分の個々の先端から離れるボールカッターにより遂行さ
れ得る。
本発明の一実施例及びその使用方法は、添付図面を参照
した例示として以下に説明される。
第１図は本発明に係わる梗節係合手段のブリッジ部材の
側面図、 第２図はブリッジ部材の平面図、 第３図はブリッジ部材の端面図、 第４図は同時に二つのクリップ部材を形成する方法を示
す上面図、 第５図は先端を曲げた後のクリップ部材の側面図、 第６図は第５図の右側端部から見た端面図、 第７図は第１図に対応するが、クリップ部材をクランプ
止めさせる位置において、このクリップ部材をブリッジ
部材及びロッドと係合させて示す図、 第８図はブリッジ部材の右側端部とそれに対応するクリ
ップ部材の固定部分を通る拡大部分断面図であって、穴
の延伸方法を示す図、 第９図は「ハートシル矩形」にクランプ止めされ、且つ
梗節捩子により取り付けられたブリッジ部材とクリップ
部材との組立体の斜視図である。
第１図乃至第３図において、本発明に係わる梗節係合手
段のためのブリッジ部材１０は弧状中央部分１１を備
え、その弧状部の各側部は孔１２を有する。また、ブリ
ッジ部材１０は、一対の概ね共平面な端部１３を備え、
その各々は、梗節捩子（第９図参照）を回転可能に収容
するための穴１４を有する。
第４図において、一対のクリップ部材１５は同時に形成
され、その各々は、ブリッジ部材１０（第７図及び第９
図参照）の弧状部分１１の一個の孔１２に係合可能な先
端１６を備える。更にクリップ部材１５の各々は固定部
分１７を備え、この固定部分１７は、梗節捩子（第９図
を再度参照）を回転可能に収納するための穴１８を有す
る。
第７図及び第９図は、ブリッジ部材１０の弧状部分１１
の孔１２に係合したクリップ部材１５の先端１６を示
す。各クリップ部材の固定部分１７の穴１８は、対応す
るブリッジ部材１０の個々の端部１３の穴１４に揃えら
れている。各クリップ部材１５の先端１６と固定部分１
７との間の部分１９は、クランク状に曲げられている。
従って部分１９は、ブリッジ部材１０の弧状部分１１と
個々の端部分１３との間の係合部２０と共に、脊椎固定
装置のロッド若しくはロッド状部分２１を取り囲むため
の一対のクランプ留め部品を形成する。
弧状部分１１の縁２２は、中央に最小幅を有する首部を
形成するように、上面から見て凹面を形成している。こ
れにより、近接する脊椎突起２３（第９図参照）に対し
て間隙が与えられる。
ブリッジ部材１０の端部１３及びクリップ部材１５の固
定部分１７の穴１４，１８の各々は、離間面２４，２５
の各々に適用されたボールカッターにより形成され、且
つ延伸される。このボールカッターは、ブリッジ部材の
弧状部分１１へ向かって移動し、各々のクリップ部分の
先端から離れる（第８図に矢印で示す。） 第９図は、ハートシル矩形２６を示し、この矩形は、そ
の長辺２１′と湾曲短辺２８との間の係合部における補
助板ワイヤ２７により数個の骨突起の位置に取り付けら
れている。そして梗節捩子２９は、ブリッジ部材１０と
クリップ部材１５との組立体を矩形と骨突起へ取り付け
る。この捩子２９は梗節３０を貫通して脊椎３０の脊体
へ入る。
───────────────────────────────────────────────────── フロントページの続き (72)発明者 セル，フイリツプ・ジヨン イギリス国 ビー 72，１ アール・キユ ー，ウエスト・ミツドランズ，サツトン・ コールドフイールド，ホランド・ロード 72

Claims (7)

    【特許請求の範囲】
  1. 【請求項１】弧形の各側部に孔が設けられた弧状中央部
    分と、各々が梗節捩子を回転可能に収容する穴が設けら
    れた一対の概ね共平面な端部とを有するブリッジ部材
    と； 各々が、ブリッジ部材の弧状部分の一つの孔に係合可能
    な先端と、梗節捩子を回転可能に収容する穴が設けられ
    た固定部分とを有する一対のクリップ部材とを備え； クリップ部材の先端がブリッジ部材の弧状部分の個々の
    孔に係合した際に、クリップ部材の穴がブリッジ部材の
    個々の端部の穴に揃えられ、 クリップ部材のその先端と固定部分との間の部分がクラ
    ンク状に曲げられることにより、この部分が、ブリッジ
    部材の弧状部分と個々の端部との間の係合部と共に、脊
    椎固定装置のロッド若しくはロッド状部材を取り囲むた
    めの一対のクランプ留め部品を形成する梗節係合手段。
  2. 【請求項２】ステンレス鋼板で形成された請求項１に記
    載の梗節係合手段。
  3. 【請求項３】ブリッジ部材の弧状部分の幅、クリップ部
    材の先端による係合用の孔の間で狭まる請求項１または
    ２に記載の梗節係合手段。
  4. 【請求項４】弧状部分の縁が、中央部に最小幅を有する
    首部を形成するように、上面から見て凹面である請求項
    ３に記載の梗節係合手段。
  5. 【請求項５】ブリッジ部材の端部の穴が、ブリッジ部材
    の長手幅方向へ延伸されている請求項１乃至４の何れか
    １項に記載の梗節係合手段。
  6. 【請求項６】クリップ部材の固定部分の穴が、ブリッジ
    部材の長手幅方向へ延伸されている請求項１乃至５の何
    れか１項に記載の梗節係合手段。
  7. 【請求項７】穴の形成及び延伸が、ブリッジ部材の端部
    とクリップ部材の固定部分との個々に適用されて、ブリ
    ッジ部材の弧状部分へ向かって移動してクリップ部分の
    個々の先端から離れるボールカッターにより遂行される
    請求項１乃至６の何れか１項に記載の梗節係合手段。
JP1511519A 1988-11-04 1989-11-02 梗節係合手段 Expired - Lifetime JPH06128B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888825909A GB8825909D0 (en) 1988-11-04 1988-11-04 Pedicle engaging means
GB8825909.8 1988-11-04

Publications (2)

Publication Number Publication Date
JPH03503496A JPH03503496A (ja) 1991-08-08
JPH06128B2 true JPH06128B2 (ja) 1994-01-05

Family

ID=10646354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1511519A Expired - Lifetime JPH06128B2 (ja) 1988-11-04 1989-11-02 梗節係合手段

Country Status (14)

Country Link
US (1) US5366455A (ja)
EP (1) EP0399011B1 (ja)
JP (1) JPH06128B2 (ja)
AR (1) AR245585A1 (ja)
AT (1) ATE106220T1 (ja)
AU (1) AU625616B2 (ja)
BR (1) BR8907151A (ja)
CA (1) CA2002174A1 (ja)
DE (1) DE68915747T2 (ja)
DK (1) DK157690A (ja)
ES (1) ES2017307A6 (ja)
GB (1) GB8825909D0 (ja)
NO (1) NO175732C (ja)
WO (1) WO1990004948A1 (ja)

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EP0399011B1 (en) 1994-06-01
ATE106220T1 (de) 1994-06-15
JPH03503496A (ja) 1991-08-08
AU4507689A (en) 1990-05-28
ES2017307A6 (es) 1991-01-16
DE68915747D1 (de) 1994-07-07
NO902974L (no) 1990-08-30
NO175732C (no) 1994-11-30
US5366455A (en) 1994-11-22
EP0399011A1 (en) 1990-11-28
DK157690A (da) 1990-09-04
AU625616B2 (en) 1992-07-16
WO1990004948A1 (en) 1990-05-17
GB8825909D0 (en) 1988-12-07
NO902974D0 (no) 1990-07-03
CA2002174A1 (en) 1990-05-04
BR8907151A (pt) 1991-02-26
DE68915747T2 (de) 1994-12-22
AR245585A1 (es) 1994-02-28
DK157690D0 (da) 1990-06-29
NO175732B (no) 1994-08-22

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