JP3338944B2 - The correction device of spinal deformity - Google Patents

The correction device of spinal deformity

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Publication number
JP3338944B2
JP3338944B2 JP24072595A JP24072595A JP3338944B2 JP 3338944 B2 JP3338944 B2 JP 3338944B2 JP 24072595 A JP24072595 A JP 24072595A JP 24072595 A JP24072595 A JP 24072595A JP 3338944 B2 JP3338944 B2 JP 3338944B2
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Japan
Prior art keywords
member
case body
movable rod
correction device
formed
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JP24072595A
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Japanese (ja)
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JPH0956736A (en
Inventor
昌平 南
秀繁 守屋
千秋 田中
晶士 高相
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有限会社田中医科器械製作所
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Priority to JP24072595A priority Critical patent/JP3338944B2/en
Publication of JPH0956736A publication Critical patent/JPH0956736A/en
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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
    • A61B17/7001Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002Longitudinal elements, e.g. rods
    • 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
    • A61B17/7001Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • 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
    • A61B17/7001Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002Longitudinal elements, e.g. rods
    • A61B17/7004Longitudinal elements, e.g. rods with a cross-section which varies along its 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
    • A61B17/7056Hooks with specially-designed bone-contacting part
    • 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
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8004Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for extending or compressing the bone or bones

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】この発明は、先天性又は後天性の脊柱変形の矯正手術に使用するための矯正装置に関するものである。 TECHNICAL FIELD The present invention relates to a correction device for use in surgery of congenital or acquired spinal deformities.

【0002】 [0002]

【従来の技術】思春期に多く見られる側湾症、後湾症、 BACKGROUND OF THE INVENTION puberty to the more common scoliosis, rear bay disease,
カリエス変形、辷り症、脊椎損傷などの先天性または後天性の脊柱変形(spinaldeformitie Caries deformation, slip, congenital or acquired spinal deformities, such as spinal cord injury (Spinaldeformitie
s)の矯正手術には、古くからハリントン器具(Har The surgery of s), Harrington instrument for a long time (Har
rington instrument)と呼ばれるフック部材と、これを係止するロッド部材からなる矯正装置が、また、かゝるハリントン器具の改良したものとして、本出願人の出願に係わる特公平6−20466号の脊柱変形の矯正装置などがある。 a hook member called a Rington instrument), the correction device comprising a rod member for locking this is, or, as an improvement of such Harrington instrument, the Kokoku No. 6-20466 in accordance with the present applicant filed there is such correction device of spinal deformity.

【0003】前記のハリントン器具および特公平6−2 [0003] said of Harrington instrument and Japanese fairness 6-2
0466号の脊柱変形の矯正装置などは、ロッド部材に設けた2個のフック部材を脊柱の横突起や椎弓に引っ掛け、2個のフック部材間にロッド部材を張設し、変形した脊柱を直線状に伸長させて矯正し、この矯正状態を固定することによって達成されるものである。 Etc. correction device spinal deformity of No. 0,466, hook the two hook members provided on the rod member in the transverse or lamina of a spinal column, the rod member is stretched between the two hook members, the deformed spine corrected by extending linearly, in which is achieved by fixing the correction state.

【0004】 [0004]

【発明が解決しようとする課題】これら公知の脊柱変形の矯正装置は、骨の成長が一段落して安定状態にある成人患者にはおおむね有効な矯正を行うことができるが、 [0005] The correction device of known spinal deformities, which can be performed generally effective corrective for adult patients is stable bone growth is settled down,
少児など骨の成長期にある脊柱変形症の患者に対しては、必ずしも有利なものではない。 For patients of spinal deformity disease in the growth phase of the bone, such as young Shoko, not necessarily advantageous. すなわち、成長期にある患者に対して脊柱を矯正し、この状態を永く固定した状態におくと脊柱の成長の妨げるのみならず、手術後の成長に伴い、返って回旋変形の進行が増加する傾向があるので、手術後の脊柱の成長に合わせ、6ケ月から1 That is, correcting spinal for patients in the growth phase, when placed in a state in which the state forever fixed not only hinder the spinal growth, with the growth after surgery, the progress of the back with rotation deformation increases because there is a tendency, in accordance with the growth of the hands of post-operative spinal column, from 1 to 6 months
年毎に矯正装置を構成するロッド部材の長さを変更するための手術を必要とするが、この手術を重ねて実施することは、労力、時間および経済面などから容易なものではなく、患者の苦痛も問題となる。 Requires a surgery to change the length of the rod members constituting the correction device at every year, be carried out repeatedly surgery This effort, not easy from such time and economic, pain of the patient is also a problem.

【0005】この発明はかゝる現状に鑑み、手術によって体内に装着した矯正装置のロッド部材を、脊柱の成長と変形の矯正度合いとを睨み合わせながら、体外から遠隔操作によって伸長させることのできる脊柱変形の矯正装置を提供せんとするものである。 [0005] In view of the present invention Hakakaru situation, the rod member correction device mounted in the body by surgery, while combined eye to the correction degree of deformation and growth of the spinal column can be extended by remote control from outside the body is to St. provide correction device spinal deformities.

【0006】 [0006]

【課題を解決するための手段】この目的を達成するために、この発明のうちで請求項1に記載の発明は、脊柱に掛止するためのフックを有するフック部材をスライド自在に備えた固定ロッドを一端部に設けてなる円筒状のケース本体内に 正逆回転が可能な減速機付きモータを固定すると共に、前記減速機付きモータと連動して回転する円筒状の回転部材を装着し、この回転部材内に、先端部に脊柱に掛止するためのフックを備えたフック部材をスライド自在に設けてなる可動ロッドの基端部を、前記ケース本体の開口部を閉止するシール部材を貫通させて挿入し、前記減速機付きモータの作動によってケース本体内において回転部材を回転させ、この回転部材の回転と同期して、前記可動ロッドをケース本体の筒軸方向に沿って実質的に移 Means for Solving the Problems In order to achieve this object fixed, the invention according to claim 1 of the present invention, which includes a hook member having a hook for engaging the spinal column slidably a cylindrical case body formed by providing at one end of the rod, with forward and reverse rotation is fixed a reduction gear with a motor capable, fitted with a cylindrical rotating member that rotates in conjunction with the speed reducer with the motor , to the rotary member, a base end portion of the movable rod hook member having a hook formed by providing slidably for engaging the spinal column to the distal end portion, a sealing member for closing the opening of the case body is penetrated and inserted to rotate the rotating member in the case body by the operation of the motor with the reduction gear, in synchronization with the rotation of the rotary member, said movable rod substantially along the cylindrical axis of the case body move させて可動ロッドの長さを自在に調節可能とし、 前記減速機付きモータを、導線を介して連 It is allowed to freely adjustable the length of the movable rod, connecting the motor with the reduction gear, via a line
動するラジオコントロールレシーバをラジオコントロー Radio Control the radio control receiver for dynamic
ラで制御することによって作動させることを特徴とする脊柱変形の矯正装置である。 A correction device spinal deformities, wherein the actuating By controlling La.

【0007】また、この発明のうちで請求項に記載の発明は、円筒状のシース部材内に、脊柱に掛止するためのフックを備えたフック部材をスライド自在に設けた固定ロッドを一端部に設けてなる円筒状のケース本体の開口部側を内装し、このケース本体内に減速機付きモータと、該減速機付きモータと連動して回転する円筒状の回転部材を設け、この回転部材内に、先端部に脊柱に掛止するためのフックを備えたフック部材をスライド自在に設けてなる可動ロッドの基端部を、前記ケース本体の開口部およびシース部材の一方の開口部を閉止するシール部材を貫通させて挿入し、前記減速機付きモータの作動によって前記回転部材を回転させ、この回転部材の回転と同期して、前記ケース本体および可動ロッドをシース部材の筒軸方向に [0007] The invention according to claim 4 of the present invention, a cylindrical sheath member, one end fixed rod having a hook member having a hook for engaging the spinal column slidably part and interior opening side of the cylindrical case body formed by providing a, a reduction gear with a motor, a cylindrical rotating member that rotates in conjunction with motor with reduction gear provided within the case body, the rotating in member, a base end portion of the movable rod hook member having a hook formed by providing slidably for engaging the spinal column to the tip portion, the one opening of the opening and the sheath member of the case body It passed through the closure sealing member and insert, by rotating the rotary member by the operation of the motor with the reduction gear, in synchronization with the rotation of the rotating member, the case body and the movable rod in the cylinder axis direction of the sheath member って実質的に移動させ、前記固定ロッドと可動ロッド間の長さを自在に調節可能とし、 前記 Substantially moved me, and freely adjustable length between the fixing rod and movable rod, the
減速機付きモータを、導線を介して連動するラジオコン A reduction gear with a motor, interlocked via conductor radio con
トロールレシーバをラジオコントローラで制御すること To control the troll receiver on the radio controller
によって作動させることを特徴とする脊柱変形の矯正装置である。 A correction device spinal deformities, wherein actuated by.

【0008】 [0008]

【発明の実施の形態】この発明は、脊柱変形を矯正するに際し、脊柱に固定する矯正装置を構成するロッドの長さを脊柱の成長度合いに応じて自在に伸長させることのできる矯正装置であって、請求項1 に記載の矯正装置は、フック部材を設けた一方のロッドに対して同じくフック部材を設けた他方のロッドを伸縮させるようにした、いわゆる単式の矯正装置である。 DETAILED DESCRIPTION OF THE INVENTION The present invention, upon correcting spinal deformities, there the length of the rod that constitutes the straightening device for fixing the spinal correctional system that can be extended freely in accordance with the growth degree of the spinal column Te, correction device according to claim 1, the same other rod provided with a hook member to one of the rods provided with a hook member so as to expand and contract, a correction device of a so-called single direction.

【0009】また、請求項4に記載の矯正装置は、フック部材を設けた一方のロッドと、同じくフック部材を設けた他方のロッドとを共に伸縮させる、いわゆる複式の矯正装置である。 Further, the correction device according to claim 4, and one of the rods provided with a hook member, thereby also both stretch the other rod having a hook member, a correction device of a so-called double.

【0010】請求項1 記載の発明において、回転部材は内周面にねじが形成され、該ねじに前記可動ロッドの基端部の外周面に形成したねじが係合し、前記減速機付きモータの回転に連動して回転する回転部材と同期して、可動ロッドが前記ケース本体の筒軸方向に沿って実質的に移動するものである。 [0010] In the invention of claim 1, the rotating member is threaded is formed in the inner circumferential surface, a screw formed on the outer peripheral surface of the proximal end portion of the movable rod to the screw is engaged, with the speed reducer in synchronization with the rotation member that rotates in conjunction with rotation of the motor, in which the movable rod is substantially moves along the tube axis direction of the case body.

【0011】また、可動ロッドは、丸棒の上面の一部を切削して平坦面を形成し、この平坦面が、ケース本体の開口部を閉止するシール部材に設けた係合片と係合することによって、可動ロッドが回転することなく、実質的にケース本体の筒軸方向に沿って移動するよう構成したものである。 Further, the movable rod, by cutting a portion of the top surface of the round bar to form a flat surface, the flat surface, the engaging piece engages which is provided on the sealing member to close the opening of the case body by, without the movable rod rotates, which is constituted so as to move substantially along the cylindrical axis of the case body.

【0012】 これに用いる減速機付きモータは、正逆回転が可能なもので、この減速機付きモータと導線を介して連動するラジオコントロールレシーバを、ラジオコントローラで制御することによって作動させるものである。 [0012] reduction gear with a motor used for this, those capable of normal and reverse rotation, is intended to operate by controlling the radio control receiver that works via the reduction motor with a conductor, the radio controller .

【0013】一方、請求項4に記載の発明において、ケース本体は、その内周面にねじが形成され、このねじと前記回転部材の外周面に設けられたねじが係合し、かつ回転部材の内周面に形成されたねじが、前記可動ロッドの基端部の外周面に形成したねじと係合し、前記減速機付きモータの回転に連動して回転する回転部材と同期して、ケース本体および可動ロッドが、前記シース部材の筒軸方向に沿って実質的に移動するものである。 Meanwhile, in the invention described in claim 4, the case body is threaded is formed on the inner peripheral surface thereof, a screw provided on the outer peripheral surface of the rotary member and the screw is engaged, and the rotation member an inner peripheral surface formed screw, the engagement with the screw formed on the outer peripheral surface of the proximal end portion of the movable rod, in synchronization with the rotation member that rotates in conjunction with rotation of the motor with the reduction gear, the case body and the movable rod is intended to move substantially along the cylinder axis direction of the sheath member.

【0014】また、可動ロッドは、丸棒の上面の一部を切削して平坦面を形成し、この平坦面が、ケース本体の開口部を閉止するシール部材に設けた係合片と係合することによって、可動ロッドが回転することなく、実質的にシース部材の筒軸方向に沿って移動するよう構成したものである。 Further, the movable rod, by cutting a portion of the top surface of the round bar to form a flat surface, the flat surface, the engaging piece engages which is provided on the sealing member to close the opening of the case body by, without the movable rod rotates, which is constituted so as to move along the tube axis direction of the substantially sheath member.

【0015】 用いる減速機付きモータは、 前記請求項1 The reduction gear with a motor to be used, the claim 1
の装置と同様に正逆回転が可能なもので、この減速機付きモータと導線を介して連動するラジオコントロールレシーバを、ラジオコントローラで制御することによって作動させるものである。 Equipment and those capable of forward and reverse rotation as well, the radio control receiver that works via the reduction motor with a conductor, in which to operate by controlling the radio controller.

【0016】さらに、ケース本体は、その上面部の一部に筒軸方向に沿ってスリットが形成されると共に、ケース本体内に減速機付きモータの駆動軸を貫通保持するリング部材を設け、このリング部材と、ケース本体を覆う前記シース部材とをビスによって一体化させるに際し、 Furthermore, the case body with a slit along the tube axis direction on a part of the upper surface portion is formed, provided with a ring member that penetrates holding a driving shaft of the reduction gear with the motor in the case body, the upon be integrated by screws and the ring member and the sheath member covering the case body,
前記ビスの軸部を前記スリット内に位置させ、ケース部材の回動を阻止し、シース部材の筒軸方向に沿ってのみ移動するよう構成したものである。 The shaft portion of the screw is positioned in the slit, preventing the rotation of the casing member, which is constituted so as to move only along the tube axis direction of the sheath member.

【0017】また、この発明の矯正装置を構成する各部材は、いずれもステンレススチールあるいはチタン合金、モリブデン−ニッケルクローム鋼のような大きな強度と人体に対して無害で、かつ錆びない金属素材によって形成され、外面部分は、極力平滑に丸みを帯びた状態として、人体に対する損傷を与えないようにすることが望ましい。 Further, the members constituting the correction device of the present invention are all stainless steel or titanium alloy, molybdenum - forming harmless to greater strength and body, such as a nickel-chromium steel, and a metal material which does not rust is, the outer surface portion, in a state where rounded to minimize smooth, it is desirable to avoid damaging the human body. また、減速機付モータは、直流モータに所定の減速比のギアヘッドを組み込んで、ロッドの伸縮駆動に要求される出力を十分に満たし、かつ、所定の回転数を与えることができる操作が容易な高性能な超小型のものである。 The motor with reduction gear, incorporate gearhead predetermined reduction ratio to the DC motor, sufficiently satisfies the power required to stretch the drive rod, and the operation is easy, which can provide a predetermined rotational speed those of high-performance ultra-compact.

【0018】 [0018]

【作用】この発明の脊柱変形の矯正装置は、いずれも矯正せんとする脊柱間に設けられる矯正装置のロッドの長さを、脊柱の成長度合いに応じて減速機付きモータと導 [Action] correction device of spinal deformities according to the present invention, the length of the rod of any corrective provided between the spine to correct St. apparatus, reduction gear with a motor and guide in accordance with the growth degree of the spinal column
線を介して連動するラジオコントロールレシーバを、ラ The radio control receiver that works through the line, La
ジオコントローラで制御 することによって 、人体の外部から自在に調節することができるので、手術の回数を大幅に減少させることができる。 By controlling Geo controller, it is possible to adjust freely from the exterior of the human body, it is possible to greatly reduce the number of operation. なお、この矯正装置は脊柱変形の矯正を目的とするものであるが、たとえば、下肢骨や大腿骨、さらには腕などの骨折治療や骨延長の治療用としても使用ことができるものである。 Incidentally, the correction device is It is an object of correction of spinal deformity, for example, lower limb bones or femur, or even those that may also be used for the treatment of fracture treatment and bone extension arm, or the like.

【0019】 [0019]

【実施例】以下、この発明の脊柱変形の矯正装置の実施例を添付の図面に基づいて具体的に説明する。 EXAMPLES The following specifically described based on an embodiment of a correction device spinal deformity of the present invention in the accompanying drawings. 図1〜図3は、請求項1 に記載された脊柱変形の矯正装置の一実施例を示すものであって、この脊柱変形の矯正装置1 1 to 3, there is shown an embodiment of a correction device spinal column deformation according to claim 1, correction device 1 of the spinal deformity
は、丸棒状の固定ロッド2を先端側に一体的に設けた円筒状のケース本体3と、該ケース本体3内に設けられる減速機付きモータ4と、前記ケース本体3内に設けられ、前記減速機付きモータ4によって回転する円筒状の回転部材5と、前記回転部材5の回転と同期してケース本体3内に出没する丸棒状の可動ロッド6とから構成されるものである。 Includes a cylindrical case main body 3 provided integrally with the fixed rod 2 of a round bar distally, a speed reducer with a motor 4 provided in the case body 3, provided in the case body 3, the a cylindrical rotary member 5 which is rotated by the reduction gear with the motor 4 and is formed from the rotation synchronization with a round bar of the movable rod 6 for retractable into the case body 3 of the rotary member 5.

【0020】前記ケース本体3は、先端側が閉塞された円筒体3aの閉塞面3bに、円筒体3aの軸線と同軸上となるよう固定ロッド2を一体的に設けると共に、他端側の開口部をシール部材10によって密封するよう形成したものである。 [0020] The case body 3, the closing surface 3b of the cylinder 3a to the tip end side is closed, the fixed rod 2 so that the axis coaxially with the cylindrical body 3a with integrally provided, at the other end opening the is obtained by forming so as to seal by the sealing member 10.

【0021】このケース本体3の内部は、中心部に透孔7を有し、ビス8 ケース本体3内に固定される円盤状のリング部材9によって区画され、閉塞された先端側に、正転および逆転可能な減速機付きモータ4を設け、 The inside of the case main body 3 has a through hole 7 in the center, it is defined by a disk-shaped ring member 9 which is fixed to the case body 3 with screws 8, the occluded distal side, a positive the provided rotation and reverse rotation can speed reducer with the motor 4,
開口部側に回転部材5を回転自在に設けるものである。 Those provided rotatably a rotating member 5 on the opening side.

【0022】なお、前記固定ロッド2には、脊柱変形の矯正装置1を脊椎の所要の部位に固定するための一方のフック部材11がスライド自在に設けられる。 [0022] Note that the the fixed rod 2, one of the hook member 11 for fixing the correction device 1 of the spinal deformity to the required site in the spine is provided slidably.

【0023】このフック部材11はブロック体12の一側面にフック13を有すると共に、フック部材11を固定ロッド2にスライド自在に取付けるための取付孔を有するもので、固定ロッド2へのフック部材11の固定は、前記取付孔の内周面と、固定ロッド2の外周面との間に形成される隙間に、円筒状の楔部材14a,14b [0023] and has a hook 13 on one side of the hook member 11 blocks 12, those having a mounting hole for mounting slidably hook member 11 on the fixed rod 2, the hook member 11 to the fixed rod 2 It is fixed, and the inner peripheral surface of the mounting hole, the gap formed between the outer peripheral surface of the fixed rod 2 with a cylindrical wedge members 14a, 14b
を圧入することによって行うものである。 It is performed by forcing.

【0024】また、ケース本体3内に設けられる減速機付きモータ4は、ケース本体3内を区画するリング部材9に、ビス止めすることによって回動不可に装着するものである。 Further, the speed reducer with the motor 4 provided in the case body 3, the ring member 9 for partitioning the inside of the case body 3, is intended to be attached to disable rotation by screws.

【0025】ケース本体3内に回動自在に設けられる回転部材5は、円筒体の先端部内に、減速機付きモータ4 The rotary member 5 which is provided rotatably on the case body 3, in the distal end portion of the cylindrical body, the speed reducer with the motor 4
の駆動軸4aを一体的に取付けると共に、内周面に全長にわたってねじ5aを形成したものである。 With attached integrally with the drive shaft 4a of, it is obtained by forming a screw 5a entire length to the inner circumferential surface.

【0026】前記減速機付きモータ4は、導線18によって体外または体内に設けられるラジオコントロールレシーバ19に接続され、ラジオコントローラ20のスイッチの操作によって正転又は逆転し、可動ロッド6をケース本体3に対して伸縮させるもので、この伸縮によって、固定ロッド2に係止したフック部材11と、可動ロッド6に係止したフック部材15の間隔を自在に調整することができるものである。 [0026] The speed reducer with the motor 4 is connected to a radio controlled receiver 19 provided in vitro or in vivo through the conductive wires 18, and the forward or reverse by the operation of the switches of the radio controller 20, a movable rod 6 into the case main body 3 as it can stretch for, by the expansion and contraction, the hook member 11 engaged with the fixed rod 2, in which the spacing of the hook member 15 engaged with the movable rod 6 can be freely adjusted.

【0027】前記回転部材5と同期して回転する可動ロッド6は、先端部の外周面に、回転部材5の内周面に形成されたねじ5aと係合するねじ6aが形成されたもので、その基端部は、前記シール部材10の中心部に設けられた透孔を貫通してケース本体3外に突出しているもので、減速機付きモータ4の回転によって回転部材5が回転すると、回転部材5の内周面に設けたねじ5aと可動ロッド6のねじ6aが係合しているため、可動ロッド6がケース本体3に対して筒軸方向に伸縮するものである。 [0027] The movable rod 6 to rotate in synchronization with the rotation member 5, the outer peripheral surface of the distal end portion, in which a screw 6a of the screw 5a engages which is formed on the inner peripheral surface of the rotary member 5 is formed the proximal end is the one that passes through the hole provided at the center portion of the sealing member 10 protrudes out of the case main body 3, when the rotary member 5 is rotated by the rotation of the deceleration motor with 4 since the screw 6a of the screw 5a and the movable rod 6 provided on the inner peripheral surface of the rotary member 5 is engaged, in which the movable rod 6 is telescopic in the cylinder axis direction with respect to the case body 3.

【0028】この可動ロッド6のケース本体3より突出した基端部側には、前記固定ロッド2と同様に、フック16を一側に有すると共に、可動ロッド6に遊嵌する貫通孔を形成したブロック体からなるフック部材15がスライド自在に設けられ、このフック部材15は可動ロッド6に対して楔部材17a,17bによって所定の位置に固定されるものである。 [0028] The base end projecting from the case body 3 of the movable rod 6, as with the fixed rod 2, a hook 16 which has on one side, to form a through-hole loosely fitted to the movable rod 6 hook member 15 made of a block body is provided slidably, the hook member 15 is intended to be fixed in position relative to the movable rod 6 wedge member 17a, by 17b.

【0029】これら固定ロッド2,ケース本体3,回転部材5,可動ロッド6およびシール部材10などは、いずれも腐食することがないようにステンレス鋼やモリブデン−ニッケルクローム鋼などの大きな強度と人体に対して無害な素材で構成し、外面部分を極力平滑にして人体に対する損傷を避けるようにしたものを使用するものである。 [0029] These fixing rod 2, the case body 3, the rotating member 5, etc. movable rod 6 and the seal member 10, stainless steel or molybdenum so as not to both corrosion - the greater strength and body, such as a nickel-chromium steel composed of harmless materials for, it is to use that to avoid damage to the human body to the outer surface part as much as possible smooth.

【0030】この実施例において、固定ロッド2は径が約6mm、長さは約70mm、ケース本体3の外径は約18mm、内径が約13mm、長さが約215mm、回転部材5の外径が約13mm、内径が約6.5mm、長さが約119mm、また、可動ロット6の外径は約6. [0030] In this example, the fixed rod 2 diameter of about 6 mm, a length of about 70 mm, an outer diameter of about 18mm of the case body 3, an inner diameter of about 13 mm, a length of about 215 mm, the outer diameter of the rotary member 5 but about 13 mm, an inner diameter of about 6.5 mm, a length of about 119mm Further, an outer diameter of about 6 of the movable lot 6.
5mm、長さが約200mmである。 5 mm, is approximately 200mm in length.

【0031】なお、減速機付きモータ4の回転によって回転部材5が回転し、この回転部材5の回転に同期して回転して伸長又は伸縮する場合、可動ロッド6が回動することを防止するため、可動ロッド6の所定の範囲の上面部を切削して平坦面6bを形成し、かつシール部材1 It should be noted, the rotation member 5 is rotated by the rotation of the reduction motor with 4, when extending or stretching to rotate in synchronism with rotation of the rotary member 5, to prevent the movable rod 6 is rotated Therefore, by cutting the top portion of the predetermined range of the movable rod 6 to form a flat surface 6b, and the sealing member 1
0に形成された透孔内の上部に、下方に突出する係合片10aを設け、この係合片10aと前記平坦面6bが接することによって、可動ロッド6の回動を防止している。 The top of the 0 formed hole, the engagement piece 10a protruding downward is provided, by the flat surface 6b and the engaging piece 10a is in contact, thereby preventing rotation of the movable rod 6.

【0032】上記の構成からなる脊柱変形の矯正装置1 The correction device 1 of the spinal deformity, which consists of the configuration of the above-mentioned
は、以下のとおり作動する。 It operates as follows. ラジオコントローラ20を操作して減速機付きモータ4を回転させると、その駆動軸4aと一体の回転部材5が回動する。 When operating the radio controller 20 to rotate the reducer motor with 4, the rotary member 5 of the drive shaft 4a integrally rotates. この回転部材5 The rotary member 5
の内周面には全長にわたってねじ5aが形成され、このねじ5aと可動ロッド6の先端部の外周面に設けたねじ6aが係合しているため、回転部材5が回転すると同時に可動ロッド6がケース本体3に対して相対的に移動して図3に示すように、可動ロッド6を実質的に右方に伸長させる。 Screw 5a entire length on the inner circumferential surface is formed of, because this thread 6a provided on the outer peripheral surface of the distal end portion of the screw 5a and the movable rod 6 is engaged, the rotary member 5 is rotated at the same time movable rod 6 There 3 moving relative to the case body 3, substantially to extend to the right of the movable rod 6.

【0033】その際、減速機付きモータ4は、ビス18 [0033] In this case, the speed reducer with a motor 4, bis 18
によってそれ自体回動することを阻止している。 They are prevented from moving themselves times by. また、 Also,
可動ロッド6は、軸方向の一部に設けた平坦面6bと、 Movable rod 6, and the flat surface 6b formed in a portion of the axial direction,
シール部材10に設けた係合片10aとの係合によって回動を阻止され、実質的に回転部材5の回動のみによって可動ロッド6を最大で約70mm伸長させることができ、減速機付きモータ4の逆転によって縮小させることができる。 Is prevented from rotating by the engagement between the engaging pieces 10a provided on the sealing member 10, only the rotation of the substantially rotary member 5 of the movable rod 6 can be about 70mm extended at maximum by, with reduction gear motor it can be reduced by reversing the 4. したがって、常法によって、前記フック部材11と15のフック13と16とを、切開した脊柱の変形を矯正すべき位置の横突起や椎間関節などに係止したのち、減速機付きモータ4を正逆回転させることによって、きわめて容易に脊柱変形の矯正固定を行うことができるものである。 Thus, by conventional methods, and a hook 13 and 16 of the hook member 11 and 15, after the locked like incised transverse and facet joint position to be correct the deformity of the spine, the speed reducer with the motor 4 by normal and reverse rotation, in which very easily can be performed corrective fixed spinal deformity.

【0034】図4〜図7は、請求項4に記載の脊柱変形の矯正装置の一実施例を示したもので、この脊柱変形の矯正装置31は、図4に示すように丸棒状の固定ロッド32を先端側に一体的に設けた円筒状のケース本体33 [0034] FIGS. 4-7, it shows one embodiment of a correction device spinal deformity of claim 4, the correction device 31 of the spinal deformity is fixed round bar as shown in FIG. 4 cylindrical case body 33 provided integrally with the rod 32 distally
と、該ケース本体33内に設けられる減速機付きモータ34と、前記ケース本体33内に設けられ、前記減速機付きモータ34によって回転する円筒状の回転部材35 When, a reduction gear with a motor 34 provided within the case body 33, provided in the case body 33, the rotation member 35 cylindrical rotated by the reduction gear with a motor 34
と、前記回転部材35の回転と同期してケース本体33 When the case body 33 in synchronization with the rotation of the rotary member 35
内に出没する丸棒状の可動ロッド36、および前記ケース本体33の外周部の大部分を覆う円筒状のシース部材37とから構成されるものである。 It is those composed of a majority of the covering cylindrical sheath member 37. the outer peripheral portion of the round bar of the movable rod 36, and the case body 33 infested within.

【0035】前記ケース本体33は、先端側が閉塞された円筒体33aの閉塞面33bに、円筒体33aの軸線と同軸上となるよう丸棒状の固定ロッド32を一体的に設けると共に、上面の一部(実施例においてはほぼ中央部)に軸線方向に沿ってスリット33cを形成したものである。 [0035] The case body 33 has a closing surface 33b of the cylindrical body 33a of the tip end side is closed, the round bar of the fixed rod 32 so that the axis coaxially with the cylindrical body 33a with integrally provided, the top one it is obtained by forming a slit 33c along the axial direction (substantially central portion in the embodiment) parts.

【0036】このケース本体33の内部は、中心部に透孔38aを有する円盤状のリング部材38によって区画され、閉塞された先端側に、正転および逆転可能な減速機付きモータ34を設けると共に、開口部側に、円筒状の回転部材35を回転自在に設けたもので、前記減速機付きモータ34を装着する部分以外の内周面にはねじ3 The inside of the case body 33 is partitioned by a disc-shaped ring member 38 having a hole 38a in the center, the occluded distal end, provided with a forward and reverse rotatable reducer motor with 34 , on the opening side, which was provided with a cylindrical rotary member 35 rotatably, screw 3 on the inner circumferential surface other than the portion for mounting the reduction gear with a motor 34
3dが設けられている。 3d is provided.

【0037】なお、前記固定ロッド32には、脊柱変形の矯正装置31を、脊椎の所要の部位に固定するための一方のフック部材41が、スライド自在に設けられる。 [0037] Note that the the fixed rod 32, a straightening device 31 of the spinal deformity, one of the hook member 41 for fixing to the required site in the spine is provided slidably.

【0038】このフック部材41は、ブロック体42の一側面にフック43を有すると共に、フック部材41 [0038] The hook member 41, which has a hook 43 on one side of the block body 42, the hook member 41
を、固定ロッド32にスライド自在に取付けるための取付孔を有するもので、固定ロッド32へのフック部材4 And those having a mounting hole for mounting slidably on a fixed rod 32, the hook member 4 to the fixed rod 32
1の固定は、前記取付孔の内周面と固定ロッド32の外周面との間に形成される隙間に、円筒状の楔部材44 1 fixed, the gap formed between the inner peripheral surface and the outer circumferential surface of the fixing rod 32 of the mounting hole, a cylindrical wedge member 44
a,44bを圧入することによって行うものである。 It is performed by press-fitting a, the 44b.

【0039】また、ケース本体33内に設けられる減速機付きモータ34は、ケース本体33内を、区画するリング部材38にビス止めすることによって回動不可に装着するもので、リング部材38は、後記するシース部材37にビス39を介して固定されている。 Further, the reduction gear with a motor 34 provided in the case body 33, the inside of the case body 33, intended to be attached to disable rotation by screwing the ring member 38 for partitioning, the ring member 38, the sheath member 37 to be described later is fixed via a screw 39.

【0040】ケース本体33内に回動自在に設けられる回転部材35は、円筒体の先端部内に減速機付きモータ34の駆動軸34aを一体的に取付けると共に、その内周面に全長にわたってねじ35aが形成されると共に、 The rotary member 35 pivotably mounted on the case body 33, the drive shaft 34a of the cylindrical body of the tip with the reduction gear in the section motor 34 with integrally attached to a screw 35a over the entire length in an inner peripheral surface thereof together but are formed,
外周面の大部分には、前記ケース本体33の内周面に形成されたねじ33dと係合するねじ35bが形成されたものである。 The majority of the outer peripheral surface, in which a screw 35b to screw 33d engages which is formed on the inner peripheral surface of the case body 33 is formed.

【0041】前記減速機付きモータ34は、導線48によって体外に設けられるラジオコントロールレシーバ4 [0041] The reduction gear with a motor 34, a radio control receiver 4 is provided in the extracorporeal through the conductive wires 48
9に接続され、ラジオコントローラ50のスイッチの操作によって正転又は逆転し、可動ロッド36をケース本体33に対して伸縮させるもので、この伸縮によって、 It is connected to 9, and the forward or reverse by the operation of the switches of the radio controller 50, as it expands and contracts the movable rod 36 with respect to the case body 33 by the expansion and contraction,
固定ロッド32に係止したフック部材41と、可動ロッド36に係止したフック部材45の間隔を自在に調整することができるものである。 A hook member 41 engaged with the stationary rod 32, in which the spacing of the hook member 45 engaged with the movable rod 36 can be freely adjusted.

【0042】前記の回転部材35の回転と同期して回転する可動ロッド36は、先端部の外周面に、回転部材3 The movable rod 36 which rotates in synchronization with the rotation of the rotary member 35, the outer peripheral surface of the distal end portion, the rotary member 3
5の内周面に形成されたねじ35aと係合するねじ36 5 engages the screw 35a formed on the inner peripheral surface of the screw 36
aが形成されたもので、その基端部は、ケース本体33 In which a is formed, the proximal end thereof, the case body 33
の開口部を閉止するシール部材51の中心部に設けられた透孔を貫通して、ケース本体33外に突出しているもので、減速機付きモータ34の回転に同期して回転部材35が回転すると、回転部材35の内周面に設けたねじ35aと可動ロッド36のねじ36aが係合しているため、可動ロッド36がケース本体33に対して筒軸方向に伸縮するものである。 Through the holes provided in the central portion of the seal member 51 to close the opening of those protruding out of the case body 33, the rotating member 35 in synchronism with the rotation of the deceleration motor with 34 When rotated, since the screw 36a of the screw 35a and a movable rod 36 provided on the inner peripheral surface of the rotary member 35 is engaged, in which the movable rod 36 expands and contracts in the cylinder axis direction with respect to the case body 33.

【0043】その際、回転部材35の外周面に設けられたねじ35bと、ケース本体33の内周面に設けられたねじ33dも係合しているため、ケース本体35自体も当然筒軸方向に沿って伸縮するものである。 [0043] At this time, the screw 35b provided on the outer peripheral surface of the rotary member 35, since the screw 33d provided on the inner peripheral surface of the case body 33 are engaged, naturally tube axis direction case body 35 itself it is intended to stretch along.

【0044】この可動ロッド36のケース本体33より突出した基端部側には、前記固定ロッド32と同様に、 [0044] The base end projecting from the case body 33 of the movable rod 36, similarly to the fixing rod 32,
フック46を一側に有すると共に、可動ロッド36に遊嵌する貫通孔を形成したブロック体からなるフック部材45が、スライド自在に設けられ、このフック部材45 A hook 46 which has on one side, the hook member 45 made of a block body in which a through hole is formed loosely fitted to the movable rod 36 is provided slidably, the hook member 45
は可動ロッド36に対して、楔部材47a,47bによって所定の位置に固定されるものである。 Are those with respect to the movable rod 36, the wedge member 47a, is secured in place by 47b.

【0045】円筒体からなる前記シース部材37は、前記ケース本体33の大部分を覆うように取付けられるもので、その基端部は前記シール部材51によって、先端部はシール部材52によって機密に保持され、また、このシース部材37はビス39を介してケース本体33内のリング部材38と一体化しているもので、ビス39の軸部の一部はケース本体33の上面部に設けたスリット33c内に位置しているので、ケース本体33がシース部材37に対して筒軸方向に移動する際に、このスリット33c内に位置するビス39が、ケース本体33の回動を阻止して筒軸方向のみへの移動に制限している。 [0045] The sheath member 37 made of a cylindrical body, intended to be mounted so as to cover a large portion of the case body 33, by the sealing member 51 is a base end portion, the tip held in secret by the sealing member 52 is, was or, the sheath member 37 is one that is integral with the ring member 38 of the case body 33 through a screw 39, a portion of the shank of the screw 39 provided on the upper surface portion of the case body 33 since located in the slit 33c, when to case body 33 is moved in the cylinder axis direction with respect to the sheath member 37, screws 39 located within the slit 33c is a rotation of the case body 33 prevents It limits the movement only to the cylinder axis and.

【0046】これら固定ロッド32,ケース本体33, [0046] These fixed rod 32, the case body 33,
回転部材35,可動ロッド36,シース部材37およびシール部材51,52などは、いずれも腐食することがないと共に、大きな強度と人体に対して無害なステンレス鋼で構成し、バリなどがないように外面部分を極力平滑にして人体に対する損傷を避けるようにしたものを使用するものである。 Rotating member 35, the movable rod 36, such as the sheath member 37 and the seal members 51 and 52 are all together is not corrode, composed of harmless stainless steel for large strength and the human body, so there is no burrs it is to use that to avoid damage to the human body to the outer surface part as much as possible smooth.

【0047】この実施例において、固定ロッド32は径が約6mm、長さは約70mm、ケース本体33の外径は約18mm、内径が約13mm、長さが約170m [0047] In this embodiment, the fixation rod 32 diameter of about 6 mm, a length of about 70 mm, the outer diameter of the case body 33 is about 18 mm, an inner diameter of about 13 mm, a length of about 170m
m、回転部材35の外径が約13mm、内径が約8m m, an outer diameter of about 13mm of the rotary member 35, an inner diameter of about 8m
m、長さが約86.5mm、可動ロット36の外径は最大の基端部で約8mm、軸部で約7mm、長さが約13 m, a length of about 86.5Mm, an outer diameter of about 8mm up to the proximal end portion of the movable Lot 36, about 7mm in the axial section, a length of about 13
0mm、シース部材の外径は約20mm、長さが約13 0 mm, the outer diameter of the sheath member is approximately 20 mm, a length of about 13
4mmである。 A 4mm.

【0048】なお、減速機付きモータ34の回転によって回転部材35が回転し、この回転部材35に同期して回転して可動ロッド36が伸長又は伸縮する場合、この可動ロッド36が回動することを防止するため、特に図7から明らかなように、可動ロッド36の所定範囲の上面部を切削して平坦面36bを形成し、かつシール部材51に形成された透孔51a内の上部に、下方に突出する係合片51bを設け、この係合片51bと前記平坦面36bが接することによって、可動ロッド36の回動を防止している。 [0048] When the rotating member 35 by the rotation of the reduction motor with 34 rotates, the movable rod 36 rotates in synchronism with the rotation member 35 is extended or extensible, that the movable rod 36 is rotated to prevent, in particular, as apparent from FIG. 7, the upper portion of the movable cutting the top portion of the predetermined range to form a flat surface 36b of the rod 36, and through holes in 51a formed in the seal member 51, the engaging piece 51b projecting downward is provided, by which the flat surface 36b and the engaging piece 51b contacts, thereby preventing rotation of the movable rod 36.

【0049】上記の構成からなる脊柱変形の矯正装置3 [0049] The correction device 3 of the spinal deformity, which consists of the configuration of the above-mentioned
1は、以下のとおり作動する。 1 operates as follows. ラジオコントローラ50 Radio controller 50
を操作して減速機付きモータ34を回転させると、その駆動軸34aと一体の回転部材35が回動する。 When the operation to rotate the reduction gear with a motor 34, the rotation member 35 of the drive shaft 34a integrally rotates. この回転部材35の内周面には、全長にわたってねじ35aが形成され、このねじ35aと、可動ロッド36の先端部の外周面に設けたねじ36aが係合しているため、回転部材35が回転すると同時に、可動ロッド36がケース本体33に対して相対的に移動し、図6に示すように、 The inner peripheral surface of the rotary member 35, the screw 35a over the entire length is formed, and the screw 35a, for screws 36a provided on the outer peripheral surface of the distal end portion of the movable rod 36 is engaged, the rotational member 35 and simultaneously rotating, the movable rod 36 moves relative to the case body 33, as shown in FIG. 6,
可動ロッド36を実質的に右方に伸長させる。 Substantially to extend to the right of the movable rod 36.

【0050】同時に、回転部材35は外周面にねじ35 [0050] Simultaneously, the rotation member 35 is a screw 35 on the outer peripheral surface
bが設けられ、このねじ35bがケース本体33の内周面に形成されたねじ33dと係合しているため、ケース本体33を実質的に左方に伸長させるものである。 b is provided, because this screw 35b is engaged with a screw 33d formed on the inner peripheral surface of the case body 33, it is intended to extend the case body 33 in substantially the left.

【0051】その際、可動ロッド36は、軸方向の一部に設けた平坦面36bと、シール部材51に設けた係合片51aとの係合によって回動を阻止される。 [0051] At that time, the movable rod 36, and the flat surface 36b formed in a portion of the axial direction and is prevented rotation by the engagement between the engagement piece 51a provided in the seal member 51. また、ケース本体33は、内装したリング部材38とシース部材37とがビス39を介して連結すると共に、前記ビス3 The case body 33, together with the ring member 38 and the sheath member 37 and interior linking via the screws 39, the screws 3
9の一部がケース本体33に設けたスリット33c内に位置しているため、ケース本体33を筒軸方向に沿ってのみ移動させることができるものである。 Because some 9 is located in the slit 33c provided in the case body 33, in which can be moved only along the case body 33 in the cylinder axis direction.

【0052】この回転部材35の動作によって、可動ロッド36を最大で約35mm、ケース本体33を約35 [0052] By operation of the rotary member 35, about 35mm the movable rod 36 at the maximum, the case body 33 about 35
mm、合計約70mmの範囲内において伸長させることができ、また、減速機付きモータ34の逆転によって縮小させることができ、したがって、常法によって前記フック部材41と45のフック43と46を切開した脊柱の変形を矯正すべき位置の横突起や椎間関節などに係止したのち、減速機付きモータ34を正逆回転させることによって、きわめて容易に脊柱変形の矯正固定を行うことができるものである。 mm, can be extended within the scope of the total of about 70 mm, also Ki de be reduced by reversing the reduction gear with a motor 34, Therefore, a conventional method by the hook 43 of the hook member 41 and 45 46 After engaged like transverse or facet joint position to be corrected for variations of the dissected spinal column, by a reduction gear with a motor 34 is rotated normally and reversely, it is possible to correct fixation of very easily spinal deformities it is those that can be.

【0053】 [0053]

【発明の効果】この発明の脊柱変形の矯正装置は、変形した部位の矯正のための脊柱間に設けられる矯正装置のロッドの長さを脊柱の成長度合いに応じて減速機付きモ Correction device spinal deformity of the Effect of the Invention] The present invention, motor with reduction gear the length of the rod of the correction device provided between the spine for correction of the portion deformed in accordance with the growth degree of the spinal column
ータと導線を介して連動するラジオコントロールレシー Radio Control Les Sea that works through a chromatography data and conductor
バをラジオコントローラで制御することによって、人体 By controlling the bus on the radio controller, the human body
の外部から自在にかつ確実に調節することができるの It can be adjusted from the outside freely and reliably
で、手術の回数を大幅に減少させることができる。 In, it is possible to greatly reduce the number of operation. したがって、乳幼児や思春期などの成長期にある患者に対し、 その成長に合わせて非観血的な伸長操作を随時確実に実施することができ、手術の繰り返しを要することがなく、手術に伴う患者の苦痛を大きく軽減することができる。 Thus, for patients in the growth phase, such as infants and adolescents, its growth noninvasive can be any time reliably implement blood specific stretching operation to suit, without requiring repeated surgery associated with surgery it is possible to greatly reduce the pain of patients.

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

【図1】この発明の脊柱変形の矯正装置の一実施例を示す斜視図である。 1 is a perspective view showing an embodiment of a correction device spinal deformity of the present invention.

【図2】図1に示す矯正装置の要部を示した部分縦断面図である。 2 is a partial longitudinal sectional view showing a main part of the correction device shown in FIG.

【図3】図1に示す矯正装置の作動状態を示す部分縦断面図である。 3 is a partial longitudinal sectional view showing an operating state of the correction device shown in FIG.

【図4】この発明の脊柱変形の矯正装置の他の実施例を示す斜視図である。 4 is a perspective view showing another embodiment of a correction device spinal deformity of the present invention.

【図5】図4の矯正装置の要部を示した部分縦断面図である。 5 is a partial longitudinal sectional view showing a main part of the correction device shown in FIG. 4.

【図6】図4に示す矯正装置の作動状態を示す部分縦断面図である。 6 is a partial longitudinal sectional view showing an operating state of the correction device shown in FIG.

【図7】図4における可動ロッドとシース部材およびシール部材との関係を示す一部切欠断面図である。 7 is a partially cutaway sectional view showing the relationship between the movable rod and the sheath member and the seal member in FIG.

【符号の説明】 DESCRIPTION OF SYMBOLS

1,31 脊柱変形の矯正装置 2,32 固定ロッド 3,33 ケース本体 4,44 減速機付きモータ 5,35 回転部材 6,36 可動ロッド 9,38 リング部材 10,51,52 シール部材 11,15,41,45 フック部材 18,48 導線 19,49 ラジオコントロールレシーバ 20,50 ラジオコントローラ 1,31 spinal deformity corrective device 2,32 fixing rod 3 and 33 case body 4, 44 reducer motor with 5 and 35 rotating members 6 and 36 movable rod 9,38 ring member 10,51,52 seal member 11, 15 , 41, 45 the hook members 18, 48 lead 19, 49 radio control receiver 20 and 50 radio controller

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平2−261441(JP,A) 特開 平3−131251(JP,A) 特開 平3−265473(JP,A) 特開 昭57−203436(JP,A) 特開 平3−118744(JP,A) 特開 平8−308166(JP,A) 特開 平8−308168(JP,A) 実開 昭60−177303(JP,U) 実開 昭56−39002(JP,U) 実開 平2−74017(JP,U) 特表 平6−511165(JP,A) (58)調査した分野(Int.Cl. 7 ,DB名) A61B 17/56 A61F 5/01 ────────────────────────────────────────────────── ─── of the front page continued (56) reference Patent flat 2-261441 (JP, a) JP flat 3-131251 (JP, a) JP flat 3-265473 (JP, a) JP Akira 57- 203436 (JP, A) Patent Rights 3-118744 (JP, A) Patent Rights 8-308166 (JP, A) Patent Rights 8-308168 (JP, A) JitsuHiraku Akira 60-177303 (JP, U) JitsuHiraku Akira 56-39002 (JP, U) JitsuHiraku flat 2-74017 (JP, U) PCT National flat 6-511165 (JP, a) (58 ) investigated the field (Int.Cl. 7, DB name) A61B 17/56 A61F 5/01

Claims (7)

    (57)【特許請求の範囲】 (57) [the claims]
  1. 【請求項1】脊柱に掛止するためのフックを有するフック部材をスライド自在に備えた固定ロッドを一端部に設けてなる円筒状のケース本体内に 正逆回転が可能な減速機付きモータを固定すると共に、 前記減速機付きモータと連動して回転する円筒状の回転部材を装着し、 この回転部材内に、先端部に脊柱に掛止するためのフックを備えたフック部材をスライド自在に設けてなる可動ロッドの基端部を、前記ケース本体の開口部を閉止するシール部材を貫通させて挿入し、 前記減速機付きモータの作動によってケース本体内において回転部材を回転させ、 この回転部材の回転と同期して、前記可動ロッドをケース本体の筒軸方向に沿って実質的に移動させて可動ロッドの長さを自在に調節可能とし、 前記減速機付きモータを、導線を介し 1. A hook member having a hook for hooking to slidably provided a cylindrical case body formed by providing the fixed rod at one end to the spine, with forward and reverse rotation is possible reducer motor is fixed, said mounting the cylindrical rotary member that rotates in conjunction with the reduction gear motor with the rotation member, slidable hook member having a hook for hooking to the spine to the tip the base end portion of the movable rod formed by providing, inserted by penetrating the seal member to close the opening of the case body to rotate the rotating member in the case body by the operation of the motor with the reduction gear, the rotation in synchronization with the rotation of members, said movable rod is moved substantially along the cylindrical axis of the case body and freely adjustable to the length of the movable rod, the motor with the reduction gear, via a line て連動するラジオ Radio in conjunction Te
    コントロールレシーバをラジオコントローラで制御する To control the control receiver on the radio controller
    ことによって作動させることを特徴とする脊柱変形の矯正装置。 Correction device spinal deformities, wherein the actuating by.
  2. 【請求項2】前記回転部材は、 内周面にねじが形成され、該ねじに前記可動ロッドの基端部の外周面に形成したねじが係合し、 前記減速機付きモータの回転に連動して回転する回転部材と同期して可動ロッドが前記ケース本体の筒軸方向に沿って実質的に移動するものであることを特徴とする請求項1記載の脊柱変形の矯正装置。 Wherein said rotary member is an inner thread on the circumferential surface formed, engages threaded engagement formed on the outer peripheral surface of the proximal end portion of the movable rod in the screw, in conjunction with the rotation of the motor with the reduction gear synchronization with the movable rod and the rotating member to rotate the straightening device of spinal deformities according to claim 1, characterized in that substantially moves along the tube axis direction of the case body.
  3. 【請求項3】前記可動ロッドは、 丸棒の上面の一部を切削して平坦面を形成し、 この平坦面がケース本体の開口部を閉止するシール部材に設けた係合片と係合することによって可動ロッドが回転することなく実質的にケース本体の筒軸方向に沿って移動するよう構成したことを特徴とする請求項1 Wherein said movable rod is cutting a portion of the top surface of the round bar to form a flat surface, the flat surface, the engagement piece and the engagement provided on the sealing member to close the opening of the case body by coupling, according to claim 1 in which the movable rod without rotating, characterized by being configured to move substantially along the cylindrical axis of the case body
    又は2記載の脊柱変形の矯正装置。 Or correction device spinal deformities according.
  4. 【請求項4】円筒状のシース部材内に、脊柱に掛止するためのフックを備えたフック部材をスライド自在に設けた固定ロッドを一端部に設けてなる円筒状のケース本体の開口部側を内装し、 このケース本体内に減速機付きモータと、 該減速機付きモータと連動して回転する円筒状の回転部材を設け、 この回転部材内に、先端部に脊柱に掛止するためのフックを備えたフック部材をスライド自在に設けてなる可動ロッドの基端部を、前記ケース本体の開口部およびシース部材の一方の開口部を閉止するシール部材を貫通させて挿入し、 前記減速機付きモータの作動によって前記回転部材を回転させ、 この回転部材の回転と同期して、前記ケース本体および可動ロッドをシース部材の筒軸方向に沿って実質的に移動させ、前記固定ロッドと可 4. A cylindrical sheath member, the opening side of the cylindrical case body formed by providing a fixation rod having a hook member slidably provided with a hook for hooking the spinal column to one end were furnished with motorized speed reducer in the case body, in conjunction with motorized speed reducer is provided a cylindrical rotating member which rotates in the rotating member, for engaging the spinal column to the distal end the base end portion of the movable rod formed by providing a hook member having a hook slidably inserts by penetrating one seal member for closing the opening of the opening and the sheath member of the case body, said speed reducer rotating the rotary member by the operation of the motor per, in synchronization with the rotation of the rotary member, substantially moving said case body and the movable rod along the cylinder axis direction of the sheath member, the fixing rod and availability ロッド間の長さを自在に調節可能とし、 前記減速機付きモータを、導線を介して連動するラジオ A freely adjustable lengths between the rods, the motor with the reduction gear, interlocked via conductor Radio
    コントロールレシーバをラジオコントローラで制御する To control the control receiver on the radio controller
    ことによって作動させることを特徴とする脊柱変形の矯正装置。 Correction device spinal deformities, wherein the actuating by.
  5. 【請求項5】前記ケース本体は、 その内周面にねじが形成され、このねじと前記回転部材の外周面に設けられたねじが係合し、 かつ回転部材の内周面に形成されたねじが、前記可動ロッドの基端部の外周面に形成したねじと係合し、 前記減速機付きモータの回転に連動して回転する回転部材と同期してケース本体および可動ロッドが、前記シース部材の筒軸方向に沿って実質的に移動するものであることを特徴とする請求項記載の脊柱変形の矯正装置。 Wherein said case body is threaded is formed on the inner peripheral surface thereof, a screw provided on the outer peripheral surface of the rotary member and the screw is engaged, and is formed on the inner peripheral surface of the rotary member screws, said engaged with the screw formed on the outer peripheral surface of the proximal end portion of the movable rod, the rotating member and synchronously with the case body and the movable rod rotates in conjunction with rotation of the motor with the reduction gear, the sheath correction device spinal deformities according to claim 4, wherein the along the tube axis direction of the member is to move substantially.
  6. 【請求項6】前記可動ロッドは、 丸棒の上面の一部を切削して平坦面を形成し、この平坦面がケース本体の開口部を閉止するシール部材に設けた係合片と係合することによって、可動ロッドが回転することなく実質的にシース部材の筒軸方向に沿って移動するよう構成したことを特徴とする請求項4又は5記載の脊柱変形の矯正装置。 Wherein said movable rod is cutting a portion of the top surface of the round bar to form a flat surface, the engagement pieces engage with the flat surface is provided on the sealing member to close the opening of the case body by substantially leveling machine spinal deformities according to claim 4 or 5, wherein the configured to move along the tube axis direction of the sheath member without moving the rod rotates.
  7. 【請求項7】前記ケース本体は、 その上面部の一部に筒軸方向に沿ってスリットが形成されると共に、 ケース本体内に減速機付きモータの駆動軸を貫通保持するリング部材を設け、 このリング部材と、ケース本体を覆う前記シース部材とをビスによって一体化させるに際し、前記ビスの軸部を前記スリット内に位置させ、ケース部材の回動を阻止し、シース部材の筒軸方向に沿ってのみ移動するよう構成したことを特徴とする請求項記載の脊柱変形の矯正装置。 Wherein said casing body, with a slit along the tube axis direction on a part of the upper surface portion is formed, provided with a ring member that penetrates holding a driving shaft of the reduction gear with the motor in the case body, and the ring member, upon to integrate with the sheath member covering the case body by screws, the shaft portion of the screw is positioned in the slit, preventing the rotation of the case member, in the cylinder axis direction of the sheath member correction device spinal deformities according to claim 4, characterized by being configured to move only along.
JP24072595A 1995-08-25 1995-08-25 The correction device of spinal deformity Expired - Lifetime JP3338944B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24072595A JP3338944B2 (en) 1995-08-25 1995-08-25 The correction device of spinal deformity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24072595A JP3338944B2 (en) 1995-08-25 1995-08-25 The correction device of spinal deformity

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JP3338944B2 true JP3338944B2 (en) 2002-10-28

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DE19856013A1 (en) * 1998-12-04 2000-06-08 Wittenstein Gmbh & Co Kg distraction
US7559951B2 (en) * 2004-09-30 2009-07-14 Depuy Products, Inc. Adjustable, remote-controllable orthopaedic prosthesis and associated method
US7780709B2 (en) * 2005-04-12 2010-08-24 Warsaw Orthopedic, Inc. Implants and methods for inter-transverse process dynamic stabilization of a spinal motion segment
BRPI0709893A2 (en) 2006-04-06 2011-07-26 Synthes Gmbh Bone displacement apparatus, and tissue displacement device
WO2007118177A2 (en) * 2006-04-06 2007-10-18 Synthes (U.S.A.) Remotely adjustable tissue displacement device
CN101466321B (en) * 2006-04-06 2013-08-14 新特斯有限责任公司 Remotely adjustable tissue displacement device
US8435268B2 (en) * 2007-01-19 2013-05-07 Reduction Technologies, Inc. Systems, devices and methods for the correction of spinal deformities
US20090112262A1 (en) * 2007-10-30 2009-04-30 Scott Pool Skeletal manipulation system
GB2465156B (en) * 2008-11-05 2012-09-26 Dalmatic Lystrup As Bone fixation system
US8197490B2 (en) 2009-02-23 2012-06-12 Ellipse Technologies, Inc. Non-invasive adjustable distraction system
US9078703B2 (en) * 2009-11-25 2015-07-14 Spine21 Ltd. Spinal rod having a post-operative adjustable dimension
WO2013066946A1 (en) 2011-11-01 2013-05-10 Ellipse Technologies, Inc. Adjustable magnetic devices and methods of using same
US10136927B1 (en) 2013-03-15 2018-11-27 Nuvasive, Inc. Rod reduction assemblies and related methods
CN106821475A (en) * 2015-12-07 2017-06-13 首都医科大学附属北京朝阳医院 Hydraulic growing bar orthotic device

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