JP2001309924A - Connecting device of spinal component - Google Patents

Connecting device of spinal component

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Publication number
JP2001309924A
JP2001309924A JP2000130209A JP2000130209A JP2001309924A JP 2001309924 A JP2001309924 A JP 2001309924A JP 2000130209 A JP2000130209 A JP 2000130209A JP 2000130209 A JP2000130209 A JP 2000130209A JP 2001309924 A JP2001309924 A JP 2001309924A
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JP
Japan
Prior art keywords
member
rod
coupling
portion
groove
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.)
Pending
Application number
JP2000130209A
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Japanese (ja)
Inventor
Hideo Hitodo
英雄 一青
Original Assignee
Robert Reed Shokai Co Ltd
株式会社ロバート・リード商会
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 Robert Reed Shokai Co Ltd, 株式会社ロバート・リード商会 filed Critical Robert Reed Shokai Co Ltd
Priority to JP2000130209A priority Critical patent/JP2001309924A/en
Publication of JP2001309924A publication Critical patent/JP2001309924A/en
Application status is Pending legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7049Connectors, not bearing on the vertebrae, for linking longitudinal elements together
    • A61B17/7052Connectors, not bearing on the vertebrae, for linking longitudinal elements together of variable angle or length
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7049Connectors, not bearing on the vertebrae, for linking longitudinal elements together
    • A61B17/705Connectors, not bearing on the vertebrae, for linking longitudinal elements together for linking adjacent ends of longitudinal elements

Abstract

PROBLEM TO BE SOLVED: To provide a device for connecting spinal components which extremely lowers the entire height. SOLUTION: This device is composed of a pair of right and left connecting sections 11, 12 each having a groove 13 on the lower surface in which a rod component 19 can be fit, a connecting portion 14 integrally connecting the sections 11, 12 and having a length that can be adjusted with a space between the plural rod components 19, wherein the connecting portion 14 has the minimum height required for fitting a rod component 10 and the groove 13 has an aperture inclined toward an outer direction for gaining the minimum entire height by providing a male screw 18 to be screwed in a female screw 16 in an inclined level up to the height of the connecting sections 11, 12 in order to fix the rod-shaped component 19 in a section for receiving an aperture component.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は椎体に取り付けられている並行した複数のロッド状部材を結合するための脊椎用部材の結合装置に関するものである。 The present invention relates to relates to a coupling device of the spinal member for combining a plurality of rod-like members parallel is attached to the vertebral body.

【0002】 [0002]

【従来の技術】この種の装置には様々なものがあり、例えば特開平7−255759号の発明や実開平7−39 Of the Related Art Devices of this type there are various, for example, in JP-7-255759 invention or real No. 7-39
808号の考案を挙げることができる。 Mention may be made of the invention of the 808 Patent. しかし上記従来の装置では、ロッド状部材の上方に、並行するロッド状部材の結合部材が重ねて配置され、その上方から結合部材等を締め付ける止め螺子がさらに設けられるため、全体の高さは結合部材の上下長つまり全高に止め螺子の突出量が加わり、結合部材についても特に上下長を低める工夫がなされていないためかなりの大きさとなっている。 However, the above conventional apparatus, above the rod-like member, is disposed to overlap the coupling member of the rod-like member running parallel, because the screws is further provided for tightening the coupling member or the like from above, the overall height bond joined by projecting amount of the upper and lower length, i.e. the total height two set screws of the member, and has a considerable size because it is not made devised particularly reduce the vertical length also binding member.

【0003】しかし、この種の装置では装置の大きさが構造の簡潔さとともに重要な要素となる。 However, the size of the device in this type of device is an important factor along with simplicity of structure. 特に、装置の高さは、脊椎から外方へ突出する寸法に直接に反映するため低いほど好都合であると考えられる。 In particular, the height of the device is considered to be low as advantageous to directly reflect the size projecting from the spine outward. その理由としては、第1に、背の高い装置では脊椎を構成する他部分と干渉を起こし易く、第2に術後に体外に形態変化としてあらわれ易く、第3に手術のためにより深く広い範囲にわたって切開しなければならない等の問題も生ずるからである。 The reason is that, first, susceptible to interference from other portions constituting the spine tall device, easily appear as morphological change of the body after surgery in the second, deeper wide range by for surgery to the third problems such as must incised over also because occur.

【0004】 [0004]

【発明が解決しようとする課題】本発明は前記の点に着目してなされたものであって、その課題は脊椎用部材の結合装置において全体の高さを最低限度にまで低めることにある。 [SUMMARY OF THE INVENTION The present invention was made in view of the points above, and an object thereof is to reduce to a minimum the overall height in the coupling device of the spinal member. また本発明の他の課題はロッド状部材に対してその外方からの作業によって結合装置の取り付けを完了可能とすることである。 It is another object of the present invention is to allow complete attachment of the coupling device by the work from the outside with respect to the rod-like member.

【0005】 [0005]

【課題を解決するための手段】前記の課題を解決するため本発明は、ロッド状部材を嵌め込み可能な溝部を下面に有する左右一対の結合部と、一対の結合部を一体に連絡し、かつ複数のロッド状部材の間隔に応じて選択可能な長さを有する連結部とを具備し、上記結合部はロッド状部材の取り付けに必要な最少限度の高さを有し、上記溝部は外向きに傾斜した開口を有し、傾斜した開口の部材受け部にロッド状の部材を固定するために、おねじ体を螺子込むめねじ孔を上記結合部の高さの範囲内にて傾斜状に設け全体の高さを最低限度に低めるという手段を講じたものである。 Means for Solving the Problems The above object of the present invention to solve, contact a pair of left and right coupling portions having a groove portion that can be fitted to the rod-shaped member on the lower surface, a pair of coupling portions together, and comprising a connecting portion having a selectable length in response to the spacing of the plurality of rod members, said coupling portion has a height of minimum extent necessary to the mounting of the rod-like member, the groove is outwardly It has an inclined opening, in order to fix the inclined opening of the member receiving portion to the rod-like member, a female screw hole screwing the male screw member in an inclined shape in the range of the height of the coupling portion provided in which it took measures that reduce the overall height to a minimum degree.

【0006】 [0006]

【発明の実施の形態】本発明に係る結合装置は、椎体に植設した骨ねじ体などによって支持された状態で設けられている、並行する複数の脊椎矯正用途等に用いられるロッド状部材を結合するためのものである。 Coupling device according to the present invention DETAILED DESCRIPTION OF THE INVENTION are provided while being supported by such as a bone screw body implanted into vertebral body, a rod-like member used in a plurality of spinal correction applications such as parallel it is for coupling the. ロッド状部材は、従来の技術にて説明したのと同様、脊椎方向へ配置される桿状の部材である。 Rod-like member, similar to that described in the prior art, is a member of the rod to be placed into spine direction. この部材の標準形は丸棒状で曲げ加工可能な形態を持つためロッドと通称されるが、本発明の装置はそのロッドだけに適用されるべきものでもない。 This standard form member is a rod and called for with processable form bending a round bar, the device of the present invention is not intended to be applied only to that rod.

【0007】本発明の装置は、ロッド状部材を嵌め込み可能な溝部を下面に有する左右一対の結合部と、これら一対の結合部を一体に連結し、複数のロッド状部材の間隔に応じて選択可能な長さの連結部とを具備する。 [0007] device of the present invention includes a pair of left and right coupling portions having a groove portion that can be fitted to the rod-shaped member on the lower surface, it connects the pair of coupling portions together, depending on the spacing of the plurality of rod members selected comprising a coupling portion of the possible length. 左右一対の結合部とそれらの連結部とは一体構造を有するものでもよいし(実施例1参照)、また別体の部品を結合する構造を有するものでも良い(実施例2参照)。 It may have an integral structure a pair of left and right coupling portions and their connecting portion (see Example 1), also may be one having a structure for coupling a separate component (see Example 2).

【0008】いずれの構造を有する場合においても、一対の結合部は連結部の端部に配置されることが望ましい。 [0008] Also in the case of having any structure, it is desirable that the pair of coupling portions disposed at an end of the connecting portion. これによって結合部と連結部とがほぼ同一の平面状に並ぶようになり、重ねずに済むので全体の高さを抑制することができるからである。 This is as a coupling portion and the coupling portion are aligned in substantially the same plane, it is possible to suppress the overall height because it is not necessary to overlap.

【0009】結合部は、ロッド状部材の取り付けに必要な最少限度の高さを有する。 [0009] coupling portion has a height of minimum extent necessary to the mounting of the rod-like member. この発明の場合高さは、本発明に係る装置を患者の身体内に埋め込んだときに、身体内内から外方へ向かう寸法となってあらわれる。 If the height of the invention, the apparatus according to the present invention when implanted in the body of the patient, appears as dimension directed from within the body outward. 必要な最少限度の高さとは、ロッド状歩合を嵌め込んで固定するための強度を得るのに必要なという意味である。 The height of the required minimum limit, it is meant that required to obtain the strength for fixing by fitting the rod commission. 結合部をチタン合金で製造し、かつロッド状部材も同材料のものを使用する場合では、装置の高さHを丸棒状ロッド部材の直径の2倍以下の高さとし、望ましくは1.2 The coupling portion is manufactured in titanium alloy, and when the rod-like member also use those same materials, 2 times or less of the high Satoshi diameter height H of the rod-shaped rod member of the device, desirably 1.2
5倍〜1.75倍とする。 5-fold and 1.75-fold. 上記の高さを越えると小型化のメリットが薄れ、下回るとそれ自体の強度が不足する。 Faded benefits of miniaturization exceeds the height, strength itself is insufficient falls below.

【0010】結合部に設けられる溝部は、結合部の下面にあって外向きに傾斜した開口を有し、この開口の部材受け部にロッド状部材を加圧するように、おねじ体の螺子込みのためのめねじ孔が設けられる。 [0010] groove provided in the coupling portion has an opening which is inclined outwardly In the lower surface of the coupling portion, so as to pressurize the rod member to the receiving member portion of the opening, the male screw member included screws female screw hole for are provided. このため、傾斜した部材受け部に対応してめねじ孔を上向きに傾斜させることができる。 Thus, the female screw hole corresponding to the angled member receiving portion can be inclined upward. この傾斜はおねじ体の螺子込み方向を外方へ向けるので、低背化→身体内奥となる本結合装置であってもより外方から螺子止め可能となり、切開度合が抑制され、侵襲の少い手術が実現する。 This inclination directs a screwing direction of the male screw member outwardly, a book binding apparatus comprising a low profile → body inner back also allows screwing from a more outward incision degree is suppressed, invasive small He had surgery to achieve.

【0011】 [0011]

【実施例】以下図示の実施例を参照して本発明をより詳細に説明する。 EXAMPLES Referring to examples shown below illustrate the invention in more detail.

【0012】実施例1は、図1〜図3及び図8に記載されているとおり、一体型の結合装置10の例であり、ロッド状部材19を嵌め込み可能な溝部13を有する左右一対の結合部11、12と、これらを連結する連結部1 [0012] Example 1, as described in FIGS. 1-3 and 8 are examples of the coupling device 10 integrated, binding pair having a groove 13 which can fit the rod-like member 19 and parts 11 and 12, connecting part 1 for connecting the
4とが元々一体に作られた構造を有する。 4 and originally having a structure made integrally.

【0013】従って実施例1の結合装置10は剛体であり、左右結合部11、12に捩れは発生しないと考えて良い。 [0013] Thus the binding device 10 of the first embodiment is rigid, twisted to the left and right coupling portions 11 and 12 may be considered not to occur. 実施例1の装置の結合部11、12は連結部14 The coupling portions 11, 12 of the device of Example 1 connecting portion 14
の両端に位置しており、その長短によりロッド状部材1 Of located at both ends, the rod-shaped member 1 by its length
9、19の間隔に応じた複数の種類のものが予め用意される。 Those of the plurality of types in accordance with the spacing of 9 and 19 are prepared in advance. 連絡部14は左右の結合部11、12を結合する部分であり、長さが事実上0(零)の場合もある(図2 Contact portion 14 is a portion for coupling the left and right coupling portions 11 and 12, in some cases the length of virtually 0 (zero) (FIG. 2
(a))参照。 (A)) reference.

【0014】例示の結合部11、12はチタン合金製では直方体状とし、その高さHはロッド状部材19が直径6mmのものとして、9.3mmに設定した。 [0014] Exemplary coupling portions 11, 12 is a rectangular parallelepiped shape made of a titanium alloy, the height H as a rod-like member 19 having a diameter of 6 mm, was set to 9.3 mm. つまり部材直径の155%に相当する。 That corresponds to 155% of the member diameter. これは従来の技術の項で触れたタイプの装置の高さの2分の1〜3分の1ほどに当たる。 This corresponds to about one-half to 3 minutes of the height of a device of the type mentioned in the prior art section.

【0015】結合部11、12の下面つまり身体内方に向く面には溝部13が設けられ、その溝部13は外向きに傾斜した開口を有する。 [0015] The surface facing to the lower surface, i.e. the body inward of the coupling portions 11, 12 the groove 13 is provided, the groove portion 13 has an opening which is inclined outwardly. つまり一対の溝部13、13 This means that the pair of grooves 13, 13
はハの字型に開いており、その内側に部材受け部15が設定される。 Opens to a shaped Ha, member receiving portion 15 on its inner side is set. このため部材受け部15に向けられるめねじ孔16は上向きに傾斜し、この傾斜に合わせて結合部11、12の端面17にも傾斜がつけられている。 Internally threaded hole 16 which is directed to this end member receiving portion 15 is upwardly inclined, the inclination is given to the end face 17 of the coupling portions 11, 12 to reflect this slope.

【0016】ロッド状部材19は、おねじ体18によって溝部13の部材受け部15に緊締される。 The rod-shaped member 19 is fastened to the member receiving portion 15 of the groove section 13 by the male screw member 18. このためロッド状部材19が溝部15に嵌め込まれた状態において、安定に固定されるように、ロッド状部材19の中心を十分越える位置で部材受け部15が終わるように設定されている。 In a state where this end the rod-like member 19 is fitted into the groove 15, as will be stably fixed and the center of the rod-like member 19 is set such member receiving portion 15 ends with sufficiently beyond position.

【0017】実施例1の結合装置10をロッド状部材1 The rod-shaped member 1 a coupling device 10 of Example 1
9、19に取り付けるには、一方の結合子11を傾けて一方の溝部13に一方のロッド状部材19を嵌め込ませる。 To attach the 9 and 19 causes fitted one of the rod-like member 19 on one of the groove 13 is inclined to one connector 11. 次いで各めねじ孔16におねじ体18を順次螺子入れ、ロッド状部材19を部材受け部15に緊締する(図3参照)。 Then sequentially placed screw the male screw member 18 into each female screw hole 16, tightening the rod-like member 19 to the member receiving portion 15 (see FIG. 3). 図3から自明であるように、結合部11、1 As is obvious from FIG. 3, the coupling portion 11, 1
2をロッド状部材19、19に取り付ける作業は外方から行なえば良く、内側に指先を入れる必要がない。 Work for attaching 2 to the rod-like member 19, 19 may be performed from the outside, there is no need to put a finger inside. またおねじ体18の締め付けも同様に外方から行えるし、めねじ孔16、16が外方を向いているので装置の高さが最少限度しかないにも拘ず、作業性は良い。 It allows the clamping likewise outside the Mataoneji body 18, without contracture also the height of the apparatus since the female screw hole 16, 16 is facing outward only minimal limit, workability is good.

【0018】実施例2について説明すると、これは図4 [0018] Referring to Example 2, which is 4
〜図7及び図8に記載されているととおり別体型の結合装置20の例である。 It is an example of to 7 and the separate-type coupling apparatus 20 as that described in FIG. つまり、ロッド状部材19を嵌め込み可能な溝部23を有する左右一対の結合部21、2 That is, the pair having a groove 23 which can be fitted to the rod-shaped member 19 coupling portion 21,2
2とこれらを連結する連結部24とが別々に形成され、 2 and the connecting portion 24 for connecting the are formed separately,
螺子止めによって一体化された構造を有する。 Having an integrated structure by screws.

【0019】ロッド状部材19と結合部21、22との取り付けから緊締に関する実施例2の構造は実施例1の場合と同じで良い。 The structure of Example 2 relates to tightening the mounting of the coupling portions 21 and 22 and the rod-like member 19 may be the same as in Example 1. 即ち、溝部23がハの字型に開いた配置を取り、その溝部23の内側に部材受け部25が設定される。 That is, for the arrangement of the grooves 23 is open to the shape of the wafer, member receiving portion 25 is set to the inside of the groove portion 23. そのため部材受け部25に向けられるめねじ孔26が上向きに傾斜し、その傾斜に合わせて結合部2 Therefore female screw hole 26 to be directed to the member receiving portion 25 is upwardly inclined, coupling section 2 to fit the inclination
1、22の端面27に傾斜がつけられる。 Tilt is attached to the end face 27 of 1, 22. またロッド状部材19は溝部23の部材受け部25に対しておねじ体18によって緊締され、部材受け部25は十分な固定が得られるだけの位置及び形態に設けられる。 The rod-like member 19 is tightened by a male screw member 18 relative to member receiving portion 25 of the groove 23, receiving member 25 sufficient fixing is provided at a position and form only are obtained.

【0020】実施例2の結合装置20の場合、組み立て式であるから螺子止めが完了するまでは各部の向きや位置を動かすことができ、自由度が大きいという特徴を発揮する。 In the case of the coupling device 20 of the embodiment 2, because it is assembled until the screwing is completed can move the orientation and position of each part, exhibits the feature that a large degree of freedom. 即ち、連結部24の長さの調整のほか、一方の結合部21に対する他方の結合部22の連結部周りの位置の調整、及び2次元変化を有する連結部の選択、のように、1次元〜3次元の変化に対応する調整が容易に可能である。 That is, addition of the length of adjustment of the connecting portion 24, adjustment of the position around connecting portions of the other coupling portion 22 relative to the one coupling section 21, and the selection of the connecting portion having a two-dimensional change, as in the one-dimensional adjustment to accommodate changes in to three-dimensional is readily possible. このため連結部24を構成する部材は丸棒状のロッドが最適であろう。 Therefore members constituting the connecting portion 24 is a round bar-shaped rod would be optimal.

【0021】一対の結合部21、22と連結部24とは、連結部24の端部を結合部21、22の端部に開けた嵌合口28、29に差し込み、螺子止めして一体化される。 [0021] The connecting portion 24 and the pair of coupling portions 21 and 22, inserted into the fitting opening 28, 29 opened to the end of the connection end portion 21 of the connecting portion 24 are integrated by screws that. このとき、螺子30による固定をより完全にするために、嵌合口28、29の軸受け部31として、連結部24の部材直径よりも小さい半径の無理嵌め部を形成し、同部31へ向けて螺子30により連結部24を無理に嵌め込む構成を取っている。 At this time, in order to more completely fixed by screws 30, fitted as a bearing portion 31 of the abutment 28, 29 to form a force-fit portion of smaller radius than element diameter of the connecting portion 24, toward the department 31 taking a forcibly fitting constituting the connecting portion 24 by screws 30. 32はめねじ部、33は嵌合口28、29の円筒面と軸受け部31の円筒面が作る突部であり、螺子止めにより連続部24の外周面に食い込むように密着する。 32 female screw portion, 33 is a protrusion cylindrical surface and the cylindrical surface of the bearing portion 31 of the fitting opening 28 and 29 make, in close contact to bite into the outer peripheral surface of the continuous portion 24 by screws.

【0022】連結部として、2次元変化を有するものの例を図4に符号34で示す。 [0022] As connecting portion, showing an example of those having a two-dimensional change in FIG. 4 by the reference numeral 34. 同連結部34はクランク状とされているので、ロッド状部材19、19間等に邪魔物があっても結合部21、22を止める位置を自由に選択することができる。 Since the connecting portion 34 is a crank shape, the position to stop the coupling portions 21 and 22 even if there is obstruction between the rod-shaped member 19, 19 or the like can be freely selected. この適用例は図8に示されている。 This application is illustrated in FIG. 実施例2の装置の高さも実施例1のもと略同寸に設定されている。 The height of the apparatus of the second embodiment is also configured under the approximately same in size Example 1.

【0023】実施例2の結合装置20をロッド状部材1 [0023] Example rod member 1 a coupling device 20 for 2
9、19に取り付けるには、部材19、19間隔に適合した長さの連結部24を選択して各結合部21、22の嵌合口28、29に差し込んでおき、連結部24の両端が各ロッド状部材19、19に当接する位置で螺子30 To mount the 9 and 19, previously plugged into the fitting opening 29 of the coupling portions 21 and 22 by selecting the connecting portion 24 of a length adapted to the member 19, 19 spacing, both ends of the connecting portions 24 each screw in position abutting the rod-like member 19, 19 30
を締め付け、結合装置20として一体に組み立てる。 The tightening, assembled together as a coupling device 20. この組み立てまでの間に結合部21、22の向きなどを調整することができる。 It can be adjusted such orientation of the coupling portions 21 and 22 until the assembly. その後、おねじ体18を各めねじ孔26、26に螺子入れ、ロッド状部材19を部材受け部25に緊締する。 Then placed screw the male screw member 18 into each female screw hole 26, tightening the rod-like member 19 to the member receiving portion 25.

【0024】斯くして、実施例1或いは実施例2のどちらの結合装置を用いた場合でも、高さの極度に抑制されたロウ・プロファイルの結合が可能となる。 [0024] Thus to, enabling binding low profile that is even, extremely suppressed in height when using either of the coupling device of Example 1 or Example 2. 本体が一体構造か別体構造かは患部の条件やその他の要求に応じて選択することができる。 Body is either separate structure or an integral structure can be selected depending on the affected part of the conditions and other requirements.

【0025】 [0025]

【発明の効果】本発明は以上の如く構成され、かつ作用するものであるから、脊椎用部材の結合装置として全体の高さを最少限度にまで低めることが可能であり、体内に占める容積も小さく、形態も目立たないものとなり、 According to the present invention constituted as described above, and since it is intended to act, it is possible to lower the overall height to a minimum extent as binding devices spinal member, also the volume occupied in the body small, it shall not stand out form,
しかも低背性であるにも拘ず、外方からの作業によって容易な取り付けが可能になるという効果を奏する。 Moreover without contracture it is a low profile properties, an effect that allows for easy mounting by the work from the outside.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明に係る脊椎矯正用部材の結合装置の実施例1を示す分解斜視図。 It exploded perspective view showing a first embodiment of the coupling device of the spinal correction member according to the present invention; FIG.

【図2】(a)連結部が最短のものの例を示す縦断面図。 2 (a) a longitudinal sectional view coupling portion showing an example of the shortest ones. (b)より長い連結部を有する例を示す縦断面図。 Longitudinal sectional view showing an example having a longer coupling part (b).

【図3】取り付け状態を示す横断面図。 Figure 3 is a cross-sectional view showing a mounting state.

【図4】本発明に係る装置の実施例2を示す分解斜視図。 It exploded perspective view showing a second embodiment of the device according to the present invention; FIG.

【図5】(a)その結合具の横断面図。 5 (a) cross-sectional view of the coupler. (b)その結合具の縦断面図。 (B) vertical cross-sectional view of the coupler.

【図6】取り付け状態を示す横断面図。 Figure 6 is a cross-sectional view showing a mounting state.

【図7】連結部の長さの長短を示す説明図。 Figure 7 is an explanatory view showing the length of the length of the connecting portion.

【図8】脊椎への適用例を示す斜視図。 8 is a perspective view showing an application example to the spine.

Claims (4)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 椎体に取り付けられている並行した複数のロッド状部材を結合するための装置であって、ロッド状部材を嵌め込み可能な溝部を下面に有する左右一対の結合部と、一対の結合部を一体に連絡し、かつ複数のロッド状部材の間隔に応じて選択可能な長さを有する連結部とを具備し、上記結合部はロッド状部材の取り付けに必要な最少限度の高さを有し、上記溝部は外向きに傾斜した開口を有し、傾斜した開口の部材受け部にロッド状の部材を固定するために、おねじ体を螺子込むめねじ孔を上記結合部の高さの範囲内にて傾斜状に設け全体の高さを最低限度に低めたことを特徴とする脊椎用部材の結合装置。 1. A device for coupling a plurality of rod members concurrent attached to the vertebral bodies, the pair having a groove which can be fitted to the rod-shaped member on the lower surface and the coupling portion, a pair the coupling portion contact piece, and comprises a connecting portion having a selectable length in response to the spacing of the plurality of rod members, said coupling section height of the minimum extent necessary to the mounting of the rod-like member has, the groove has an opening which is inclined outwardly, for securing the rod-shaped member to the receiving member portion of the inclined opening, high screw writes internally threaded hole of the external thread of the coupling portion binding device of the spine member, characterized in that lower the minimum the overall height of the provided inclined at a the range.
  2. 【請求項2】 ロッド状部材を嵌め込み可能な溝部を下面に有する左右一対の結合部と、一対の結合部を一体に連結し、かつ複数のロッド状部材の間隔に応じて選択可能な長さを有する連結部とが、予め一体に作られた構造を有する請求項1記載の脊椎用部材の結合装置。 2. A pair of right and left coupling portion having a groove which can be fitted to the rod-shaped member on the lower surface, and integrally connected to a pair of coupling portions, and the length can be selected in accordance with the spacing of the plurality of rod members of a connecting portion having the previously coupled device spinal member of claim 1 having integrally made structure.
  3. 【請求項3】 ロッド状部材を嵌め込み可能な溝部を下面に有する左右一対の結合部と、一対の結合部を一体に連結し、かつ複数のロッド状部材の間隔に応じて選択可能な長さを有する連結部とが、別々に形成され、螺子止めによって一体化された構造を有する請求項1記載の脊椎用部材の結合装置。 3. A pair of left and right coupling portions having a groove portion that can be fitted to the rod-shaped member on the lower surface, and integrally connected to a pair of coupling portions, and the length can be selected in accordance with the spacing of the plurality of rod members of a coupling portion having is formed separately, the coupling device of the spinal member of claim 1 having an integrated structure by screws.
  4. 【請求項4】 一対の結合部に設けられた溝部はハの字型に開いており、各溝部の内側にロッド状部材に対する部材受け部が設定され、めねじ部は上記部材受け部を指向していることにより外方が上向きに傾斜した構成を有する請求項1ないし3のいずれかに記載の脊椎用部材の結合装置。 Wherein the groove provided on the pair of coupling portions are open to the shape of the wafer, member receiving portion relative to the rod-shaped member to the inside of each groove is set, the internal thread portion is directed to the member receiving portion binding device of the spine member according to any one of claims 1 having the configuration upwardly inclined outer person by being 3.
JP2000130209A 2000-04-28 2000-04-28 Connecting device of spinal component Pending JP2001309924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000130209A JP2001309924A (en) 2000-04-28 2000-04-28 Connecting device of spinal component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000130209A JP2001309924A (en) 2000-04-28 2000-04-28 Connecting device of spinal component

Publications (1)

Publication Number Publication Date
JP2001309924A true JP2001309924A (en) 2001-11-06

Family

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Family Applications (1)

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JP2000130209A Pending JP2001309924A (en) 2000-04-28 2000-04-28 Connecting device of spinal component

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011235124A (en) * 2000-09-15 2011-11-24 Warsaw Orthopaedic Inc Posterior fixation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011235124A (en) * 2000-09-15 2011-11-24 Warsaw Orthopaedic Inc Posterior fixation system

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