201212874 六、發明說明： 【發明所屬之技術領域】 本發明係有關-種脊椎固定系統之連結機構，尤指 種可調整角度之脊椎固定系統之連結機構。 【先前技術】 脊椎固定手術中，常用固定桿作為輔助固定裝置，但 因脊椎並不是成一直線’各脊椎骨節通常也不平行，例如 腰椎為脊柱腹凸(i〇rdosis)。因此若將原本成一直線的固定 :，直接和植人待固^脊椎骨節的複數支骨釘結合固定成 一體，將迫使不在一直線上的待固定脊椎骨節變成在一直 線上，並使原本不該平行的各個待固定脊椎骨節變成平行。 為了避免上述缺失，因此醫療界提出各種改良結構， 諸如： .以有角度的螺釘（angled screw)解決問題，諸如^^- 5，176,679、US-5，196,014、US-5,257,994、US-5,466,238 等； 例如US-5，176,679利用有角度的骨釘（i〇cking pins designed to have specific angles，）’ 來解決上述脊椎骨節 通常並不平行問題。但該等方法只適用於一支固定桿和兩 支骨釘之間的脊椎骨節固定（因為兩點成一直線），但不適 用於一支固定桿和三支（含）骨釘以上的脊椎骨節固定，因 為三點通常不在一直線上，此外，該等方法在手術後，患 部不具有動態功能，如後青（extensi〇n) '前屈（t、iexi〇n)、侧 彎（lateral bending)、扭轉（axiai torsi〇n)等及緩衝（cushion) 201212874 功能。 2. 以有角度的固定塊（angled connector)解決問題，諸 如 US-5,257,994、US-5,330,474 等；例如 us,5,257,994 利 用有角度的固定塊（locking block designed to have specific angles) ’來解決上述脊椎骨節通常並不平行問題。但該等 方法只適用於一支固定桿和兩支骨釘之間的脊椎骨節固定 (因為兩點成一直線），但不適用於一支固定桿和三支（含） 骨釘以上的脊椎骨節固定，因為三點通常不在一直線上， _ 此外’該等方法在手術後，患部不具有動態功能，如後彎 (extension)、前屈（flexi〇n)、側彎（lateral bending)、扭轉 (axial torsion)等及緩衝（cushion)功能。 3. 以萬向結合裝置（universal connecting device)解決 問題’諸如 US-5,474,551、US- 5,507,746、US-5,575,791 等·’例如US-5,474,551係利用萬向墊片固定裝置（a universal pad fixation device)，來解決上述脊椎骨節通常並 φ 不平行問題。但該等方法只適用於一支固定桿和兩支骨釘 之間的脊椎骨節固定（因為兩點成一直線），但不適用於一 支固定桿和三支（含）骨釘以上的脊椎骨節固定，因為三點 通常不在一直線上’此外，該等方法在手術後，患部不具 有動態功能，如後彎（extension)、前屈（flexion)、側f (lateral bending)、扭轉(axial torsion)等及緩衝（cushion)功能。 (以多軸螺釘（polyaxial screw)解決問題，諸如美國核 准，專利 US-5,520,690、US-5,53 1,746、......US-7,186,2552 ' U S - 7,2 0 7，9 9 2等數十筆，及美國相關的公開專利申請案 201212874 US-20010012937 、 US-2002011 1626 、 、 US-20070161995、US-20070162006 等數十筆。這是目前的 主流技術。該等技術基本上都是利用多軸螺釘（細節參見該 案說明書），來解決上述脊椎骨節通常並不平行問題。 但上述該等方法只適用於一支固定桿和兩支骨釘之間 的脊椎骨節固定（因為兩點成一直線），但不適用於一支固 定桿和三支（含）骨釘以上的脊椎骨節固定，因為三點通常 不在一直線上，此外，該等方法在手術後，患部不具有動 態功能’如後彎（extension)、前屈（fiexi〇n)、侧彎（lateral bending)、扭轉（axial torsion)等及緩衝（cushi〇n)功能。 5.以人工關節固定裝置解決問題，例如 TW-I275380(細節參見該案說明書），來解決上述脊椎骨節 通常並不平行問題。 該等方法在手術後’患部雖具有動態功能，如後臀 (extension)、前屈（flexion)、側彎（lateral bending)、扭轉 (axial torsion) ’但該設計穩定性差且具有鬆脫的危險性同 時也需佔用較大的空間’此外該設計亦無緩衝（cushi〇n)功 能。 本發明人等之台灣專利TW-200936097利用球孤裝置 與彈性設計使脊椎固定桿同時具備上述的動態功能，如後 彎（extension)、前屈（flexion)、側彎（lateral bending)、扭轉 (axial torsion)及缓衝（cushion)功能，但該專利係利用一外 加之連結裝置，讓第一杯體與第二杯體加以連結，如此該 脊椎固定裝置將需要加大的空間，而使手術較為不便與耗 201212874 時。 本發明除利用具有球弧機構之墊片，配合第一連結桿 及第二連結桿結合端之球弧機構，使兩相鄰連結桿可藉由 具有球弧機構之墊片，而達到調整兩相鄰連結桿之間的角 度之目的並使該發明具備後彎（extensi〇n)、前屈（flexi〇n)、 側彎（lateral bending)、扭轉（axial torsion)之動態功能，且 本發明亦利用彈性墊片的設計使該脊椎桿件連結機構同時 具備緩衝（cushion)功能，此外本發明亦採用兩球弧狀連結 籲杯體間自體連結的設計，將該球弧狀連結杯體放置於骨固 疋裝置之承座部中，使該球弧狀連結杯體可於固定前相對 於承接部做轉動，以調整固定桿之置放角度，符合不同病 患脊柱腹凸（lordosis)的角度；且該球弧狀連結杯體放置於 骨固定裝置之承座部中的設計不佔用任何額外的空間，不 僅解決本發明人等之台灣專利TW-200936097的缺點，且 提升手術的方便性，也大大降低病患術後愈合所需的時間。 • 本發明可進一步藉由碟狀彈片、連結桿及/或連結杯體 的穿孔大小，加以限制兩相鄰連結桿可調整之角度，使兩 相鄰連結桿之間的角度不致於過大而導致無法復位或破壞 該連結桿之結構’進而影響該骨固定系統之功能。 【發明内容】 本發明之一目的在提供一種脊椎固定系統之連結機 構。 本發明之另一目的在提供一種具有墊片之脊椎固定系 201212874 統之連結機構。 本發明之再一目的在提#一 风u 檀具有彈性塾片之脊椎固 定系統之連結機構。 本發明之又一目的力担〇 , 在k供一種具有碟狀彈片之脊椎固 定系統之連結機構。 /本發明之再-目的在提供一種連結杯體為自體連結之 脊椎固定系統之連結機構。 本發月之另-目的在提供一種利用球弧結構，形成萬 向結合之脊椎固定系統之連結機構。 本發明之再一目的在提供一種具有彈性功能之脊椎固 定系統之連結機構。 本發明之還一目的在提供一種可調整角度之脊椎固定 系統之連結機構。 有限度控制調整角度之 具有動態功能之脊椎固 本發明之再一目的在提供一種 脊椎固定系統之連結機構。 .本發明之另一目的在提供一種 定系統之連結機構。 本發明之又一目的力栏也 们在徒供一種具緩衝功能之脊椎固定 系統之連結機構。 本發月之另目的在提供一種具有球弧狀連結杯體之 脊椎固定系統之連結機構。 本發明之還一目的在提供一種連結杯體可於骨固定裝 置的承接部中轉動之脊椎固以、統之連結機構。 本發明之脊椎固定系統之連結機構，其包括： 201212874 其遠端用以固定待 承接部； ’該結合端近捍端 ，該結合端近桿端 一骨固定裝置，其近端為連結端， 固定的脊椎骨節，其中該連結端具有一 第一連結桿，其至少一端為結合端 處的内側及外側實質上成球弧； 第二連結桿，其至少—端為結合端 處的内側及外側實質上成球弧； 咕 ;兩相鄰連社掠中門.201212874 VI. Description of the Invention: [Technical Field] The present invention relates to a coupling mechanism for a spinal fixation system, and more particularly to a connection mechanism for an adjustable angle spinal fixation system. [Prior Art] In the spinal fixation surgery, the fixed rod is often used as an auxiliary fixation device, but the spine is not in a straight line. The vertebrae are usually not parallel, for example, the lumbar vertebrae are i〇rdosis. Therefore, if the original is fixed in a straight line: directly combined with the multiple bones of the vertebral joint to be fixed, it will force the spinal joints to be fixed not in the straight line to become in a straight line, and the original should not be parallel. The individual vertebrae to be fixed become parallel. In order to avoid the above-mentioned deficiency, the medical community has proposed various improved structures, such as: . Solving problems with angled screws such as ^^- 5,176,679, US-5,196,014, US-5,257,994, US-5,466,238, etc. For example, US-5,176,679 utilizes angled pins designed to have specific angles, which solves the problem that the above-mentioned vertebrae are generally not parallel. However, these methods are only suitable for the fixation of the vertebrae between a fixed rod and two bone nails (because the two points are in line), but not for a fixed rod and three or more bones above the bone. Fixed, because the three points are usually not in line, in addition, after the operation, the affected part does not have dynamic function, such as post-extension (extensi〇n) 'forward flexion (t, iexi〇n), lateral bending , reverse (axiai torsi〇n), etc. and buffer (cushion) 201212874 function. 2. Solve the problem with an angled connector such as US-5,257,994, US-5,330,474, etc.; for example, us, 5,257,994 using locking blocks designed to have specific angles' to solve the above-mentioned spine joints Usually not parallel problems. However, these methods are only suitable for the fixation of the vertebrae between a fixed rod and two bone nails (because the two points are in line), but not for a fixed rod and three (inclusive) bone joints above the bone nail. Fixed, because the three points are usually not in a straight line, _ In addition, after the operation, the affected part does not have dynamic functions such as extension, flexi〇n, lateral bending, and torsion ( Axis torsion) and buffer (cushion) function. 3. Solving problems with a universal connecting device such as US-5,474,551, US-5,507,746, US-5,575,791, etc., for example, US-5,474,551 utilizes a universal pad fixation device, To solve the above-mentioned spine joints usually and φ non-parallel problems. However, these methods are only suitable for the fixation of the vertebrae between a fixed rod and two bone nails (because the two points are in line), but not for a fixed rod and three or more bones above the bone. Fixed because the three points are usually not in line. In addition, after the procedure, the affected part does not have dynamic functions such as extension, flexion, lateral bending, and axial torsion. Wait for the buffer function. (Solving problems with polyaxial screws, such as US approval, patent US-5,520,690, US-5,53 1,746, ...US-7,186,2552 ' US - 7,2 0 7,9 9 2, dozens of pens, and related US patent applications 201212874 US-20010012937, US-2002011 1626, US-20070161995, US-20070162006, etc. This is the current mainstream technology. These technologies are basically It is a multi-axis screw (see the description of the case for details) to solve the problem that the above-mentioned vertebrae are usually not parallel. However, the above methods are only applicable to the fixation of the vertebrae between a fixed rod and two bone nails (because two Points are in line), but not for a fixed rod and three (including) bone screws above the fixation, because the three points are usually not in line, in addition, these methods do not have dynamic function after the operation. Such as extension, flexion (fiexi〇n), lateral bending, axial torsion, etc. and buffering (cushi〇n) function. 5. Solve problems with artificial joint fixtures, such as TW- I275380 (see details for details) The case is to solve the problem that the above-mentioned vertebrae are usually not parallel. These methods have dynamic functions such as extension, flexion, lateral bending, and torsion after surgery. Axial torsion) 'But the stability of the design is poor and there is a risk of looseness and it also takes up a lot of space. In addition, the design has no buffering function. The inventor of the Taiwan patent TW-200936097 uses the ball. The solitary device and elastic design allow the spinal rod to have the above dynamic functions, such as extension, flexion, lateral bending, axial torsion and cushioning, but The patent utilizes an additional attachment means for attaching the first cup to the second cup, such that the spinal fixation device would require an increased space, making the procedure less inconvenient and costing 201212874. The gasket of the ball arc mechanism cooperates with the ball arc mechanism of the joint end of the first connecting rod and the second connecting rod, so that the two adjacent connecting rods can be made by the gasket with the ball arc mechanism. The purpose of adjusting the angle between two adjacent connecting rods is achieved, and the invention has the dynamic functions of extensi〇n, flexi〇n, lateral bending, and axial torsion. Moreover, the present invention also utilizes the design of the elastic spacer to enable the spinal rod connecting mechanism to simultaneously have a cushion function. In addition, the present invention also adopts a design of two-ball arc-shaped connecting body between the cups, and the ball is curved. The connecting cup body is placed in the socket portion of the bone fixation device, so that the arc-shaped connecting cup body can be rotated relative to the receiving portion before fixing, so as to adjust the placement angle of the fixing rod, which is suitable for different patients with spine bulging The angle of the lordosis; and the design of the ball-shaped connecting cup body placed in the socket portion of the bone fixing device does not occupy any extra space, and not only solves the shortcomings of the inventor's Taiwan patent TW-200936097, but also enhances The convenience of surgery also greatly reduces the time required for postoperative healing. The invention can further limit the adjustable angle of the two adjacent connecting rods by the size of the perforations of the disc-shaped elastic piece, the connecting rod and/or the connecting cup body, so that the angle between the two adjacent connecting rods is not excessively large. It is impossible to reset or destroy the structure of the connecting rod' and thus affect the function of the bone fixing system. SUMMARY OF THE INVENTION One object of the present invention is to provide a connecting mechanism for a spinal fixation system. Another object of the present invention is to provide a coupling mechanism for a spinal fixation system having a spacer. Still another object of the present invention is to provide a joining mechanism for a spinal fixation system having an elastic bract. Still another object of the present invention is to provide a coupling mechanism for a spinal fixation system having a disk-shaped shrapnel. Further, another object of the present invention is to provide a joint mechanism for a spinal fixation system in which a cup body is self-joined. Another purpose of this month is to provide a joint mechanism for a spine fixation system that utilizes a ball-arc structure to form a universal joint. A further object of the present invention is to provide a coupling mechanism for a spinal fixation system having an elastic function. It is still another object of the present invention to provide a coupling mechanism for an adjustable angle spinal fixation system. A limited function of adjusting the angle of adjustment of the spine with dynamic function Another object of the present invention is to provide a joint mechanism for a spinal fixation system. Another object of the present invention is to provide a coupling mechanism for a fixed system. Still another object of the present invention is to provide a connection mechanism for a cushioning function of the spinal fixation system. Another object of this month is to provide a coupling mechanism for a spinal fixation system having a ball-shaped connecting cup. Still another object of the present invention is to provide a coupling mechanism for connecting a cup body to a rotation of a bone portion of a bone fixing device. The connecting mechanism of the spinal fixation system of the present invention comprises: 201212874, the distal end is for fixing the to-be-supported portion; 'the binding end is near the proximal end, the binding end is near the rod end and a bone fixing device, and the proximal end is a connecting end, a fixed spinal joint, wherein the connecting end has a first connecting rod, at least one end of which is an inner side and an outer side of the joint end is substantially a ball arc; and the second connecting rod has at least one end at the inner side and the outer side of the joint end In essence, it is a ball arc;
第一連結杯體，杯體之杯口端具 …干中曰 底部内側至少部份實質上成球弧形，、連結機構，該杯體 ψ & L -¾ Λ* * 球弧曲率略小於或 實質上專於该第一連結桿的結合端 戈 率，用以和該第-連結桿的結合端近&外側的球弧曲 萬向結合，該杯體底部具有-穿=端處外側的球弧成 的桿端由該連結杯體内部穿出到外部；W使該第—連結桿The first connecting cup body, the cup end of the cup body has at least a part of the inner side of the bottom of the dry middle cymbal substantially spherical arc, and the connecting mechanism, the cup body amp & L -3⁄4 Λ* * the curvature of the ball is slightly smaller than Or substantially specific to the joint end of the first connecting rod, for combining with the joint end of the first connecting rod and the outer side of the ball arc, the bottom of the cup has a wear-through end The rod end of the ball is pierced from the inside of the connecting cup to the outside; W makes the first connecting rod
第二連結杯體，杯體之杯口端I 底部内側至少部份實質上成球弧形、、。機構’該杯體 ^ rtg. , _ 琢球弧曲率略/1、於 實質上等於該連結桿的結合端近 一 用ri 4 —你 ^處外側的球弧曲率’ 社人和㈣二連結桿的結合端近桿端處外側的球 ，該杯體底部具有一穿孔，用以使該 端由該連結杯體内部穿出到外部，其中^ :、結桿的桿 杯口端連結機構和該第二連結杯二一連結杯體之 自體連結；及 豸之杯口端連結機構形成 一固定器 置之承接部。 其用以將該等連結杯體 固定於該骨固定裝 其係利用第—連結杯 上述該等連結杯體之自體連結， 201212874 體之杯口端連結機構及第二連結杯體之杯σ端連結機構相 互連結形成一完整杯體，以減少本固定系統之連結機構的 結構複雜度，並減低本固定系統之連結機構所佔用的空間 大小，同時也進一步簡化了手術的複雜度。 上述該等連結杯體，其自體連結可為任意習知之連結 方式’如扣合連結、螺合連結、鎖合連結、卡合連結或節 點連結（請參照圖4 c、4 d)。 上述該等連結杯體，其外側可為球弧結構（請參照圖 u)’使該等連結杯體放置於骨固定裝置之承接部但未固定 前，可於骨固定裝置之承接部中轉動，以調整角度。、 上述該等連結杯體，其穿孔形狀並無限制，但以圓孔 為較佳’㈣孔半#略大於或等於.料連結桿的圓桿端半 徑，以略大於該等連結桿的圓桿端半徑為較佳用以使該 等連結桿可在穿孔中萬向轉動，且可藉由該等穿孔的大小 限制該等連結桿轉動的角度大小 上述該等連結桿，其可為兩端皆為結合端或僅一端為 結合端。其中該等連結桿結合端内側可具有-調整平面（參 見圖叫，該調整平面可為具有傾斜角度之調整平面，讓兩 相鄰連結桿及塾片之間可藉由該調整平面來限制兩相鄰連 、’“干之間可轉動的角度，使兩相鄰連結桿之間的可轉動角 又不致於過大而導致無法復位或破壞該連結桿之結構進 而影響該脊椎桿件連結機構之功能。 上述該等連結桿，其與結合端可為一體成形，或以習 知之結合方式（例如卡合、螺合、鎖合等）由多段桿件結合 201212874 成—體（參見圖小其令該等連 以圓桿狀為較佳。 、、°扣類同習知脊椎固定桿， 上述該等連結桿結合端近 體底部内側之球弧形成萬向钟人 的卜側和該等連結杯 杯體内可藉由彼此之間的球’使該等連結桿於該連結 相鄰連結桿之間的角度之 目^轉動，而達到調整兩 上述該等連結桿，复二i參見圖2b)。 機構，該球弧機構可為：：近桿端處的内側具有球弧 相鄰連結桿結合端丄=或凸球弧機構。該等兩 弧機構對凸球弧機構(參見圖6)、其可為凸球 或凹球弧機構對凹球弧機構（球弧機構 凹球弧機構為較佳。 以凹球弧機構對 上述該塾片，其可*杯立羽々 成一目“ 為知之墊片(如® 3a、3b)或 為一具有彈性功能之彈性墊 一 片為較佳。該彈性塾Ο置於兩^有彈性功能之彈性塾 月裝置於兩相鄰連結桿之間，使兩相 鄰連結桿之間具有緩衝的功能 丄出 讓患者於術後活動時，兩 相鄰連結桿可藉由該彈性墊片減緩兩相鄰連結桿所承受之 衝力，而不是完全由健全之骨節承受所有屋力，這可能會 加速鄰近骨節的老化。 上述省彈性墊片可為以任意習知之具有生物相容性的 彈性體材料製成之彈性塾片（如塑膠、pe、uhm卿E、聚 合物、橡膠或複合材料等），或以任意習知之方式使該彈性 墊片具有彈性功能，如以彈片、碟狀彈片（請參照圖3C) 或切溝方式（請參照圖3e)製成具有彈性功能之彈性墊片， 11 201212874 該彈片以金屬彈片為較佳。 碟狀彈片’其可為任意形式之碟狀彈片 體成型之磾壯榴u 卞狀烊片，如— 彈片或由兩片彈片構成-兩片式碟狀彈， (凊參照叫該碟狀彈片中可進—步加一彈性體=片 其彈性功能（請參照圖3d)e其中該彈性體可由任==強 具有生物相容性的彈性體材料製成（如塑膠、PE之 UHMWPE、聚合物、橡膠或複合材 妝® n ^丹甲该兩片式碟 亦可以任意習知之連結方式連結’如螺合人 鎖合或卡合等。 # 口、 上述該碟狀彈片，可藉由碟片部分，加以限制兩相鄰 連結桿可調整之角度（請參照圖叫，其中該碟狀彈片之碟 片可為一具有傾斜角度之碟狀彈片（請參照圖3b)，以利於 該碟狀彈片與連結桿之間之角度調整，使兩相鄰連結桿之 間的角度不致於過大而無法復位或破壞該連結桿_碟狀彈 片-連結杯之間連結結構的問題，進而影響該脊椎桿件連結 機構之功能。 上述該骨固定裝置，其可為習知的骨釘（其可為單軸骨 釘 m〇no-axial screw 或多軸骨釘 p〇ly_axia丨 screw)、類似骨 固定裝置（例如骨鉤-hook等）、辅助骨固定裝置（例如側塊 -side block等），或旋轉骨釘（參見本發明人等另一台灣專利 TW-99100438)，以骨釘或旋轉骨釘為較佳。 上述該固定器，其可為任意習知之固定器，該固定器 用以與骨固定裝覃之承接部結合’其中該結合方式可為任 意習知之固定方式’如鎖合、卡合、螺合等，以螺合為較 12 201212874 佳。 〜上述該等連結杯冑固定於該骨固$裝置之承接部之固 定方式’其可為任意f知之固定方式’如螺合固定（傳統骨 釘與桿件之螺合連結）、鎖固固定或卡合固定等。The second connecting cup body, at least a part of the inner side of the bottom end of the cup end I of the cup body is substantially spherically curved. The body of the body ^ rtg. , _ 琢 弧 弧 弧 弧 弧 / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / a combination end of the ball near the outer end of the rod end, the bottom of the cup body has a perforation for allowing the end to pass out from the interior of the joint cup body to the outside, wherein: the rod end end connection mechanism of the knot rod and the The second connecting cup 21 is connected to the body of the cup body; and the cup end connecting mechanism of the cup forms a receiving portion of the holder. The self-body connection for fastening the connecting cups to the bone fixing device by using the connecting cups of the first connecting cup, the cup end connection mechanism of the 201212874 body and the cup σ of the second connecting cup body The end joint mechanisms are coupled to each other to form a complete cup body, so as to reduce the structural complexity of the joint mechanism of the fixing system, and reduce the space occupied by the joint mechanism of the fixing system, and further simplify the operation complexity. The self-linking of the above-mentioned connecting cups may be any conventional joining method such as snap-fit connection, screw-joining connection, lock-and-lock connection, snap-in connection or node connection (please refer to Figs. 4c and 4d). The connecting cups may have a spherical arc structure on the outer side (please refer to FIG. 9). 'The connecting cups are placed in the receiving portion of the bone fixing device but are not fixed, and can be rotated in the receiving portion of the bone fixing device. To adjust the angle. The shape of the perforation of the above-mentioned connecting cup body is not limited, but the round hole is preferably '(four) hole half # slightly larger than or equal to the radius of the round rod end of the material connecting rod, to be slightly larger than the circle of the connecting rod Preferably, the rod end radius is such that the connecting rods can rotate universally in the perforations, and the length of the connecting rods can be limited by the size of the perforations. The connecting rods can be two ends. Both are the bonding ends or only one end is the bonding end. The inner side of the connecting rod joint end may have an adjusting plane (see the drawing, the adjusting plane may be an adjusting plane having an inclined angle, so that the two adjacent connecting rods and the cymbal can be limited by the adjusting plane. Adjacent, "the angle of rotation between the stems, so that the rotatable angle between the two adjacent connecting rods is not too large, so that the structure of the connecting rod cannot be reset or destroyed, thereby affecting the spinal rod connecting mechanism. The above-mentioned connecting rods may be integrally formed with the joint ends, or may be combined with the 201212874 by a plurality of sections in a conventional combination (for example, snapping, screwing, locking, etc.) (see Fig. Preferably, the joints are in the shape of a round rod. The buckles are similar to the conventional spine fixing rods, and the ball arcs on the inner side of the proximal end of the connecting rods of the connecting rods form a universal side of the universal clock and the connecting cups. The cup body can be adjusted by adjusting the angle between the connecting rods at the angle between the connecting connecting rods and the connecting rods, and the two connecting rods are adjusted. See Figure 2b) Mechanism, the ball arc mechanism The inner side of the near rod end has a ball arc adjacent connecting rod joint end 丄 = or a convex ball arc mechanism. The two arc mechanisms are opposite to the convex ball arc mechanism (see Fig. 6), which may be a convex or concave ball The arc mechanism is suitable for the concave ball arc mechanism (the ball arc mechanism concave ball arc mechanism is preferred. The concave ball arc mechanism is used for the above-mentioned cymbal piece, and the cup can be smashed into a glimpse) (for example, ® 3a, 3b) Or a resilient pad having a resilient function is preferred. The elastic cymbal is placed between two adjacent elastic connecting rods between the two adjacent connecting rods to provide cushioning between the two adjacent connecting rods. When the function is released, the two adjacent connecting rods can slow down the impact of the two adjacent connecting rods by the elastic spacers, instead of fully bearing all the house forces by the sound joints, which may accelerate the proximity. The aging of the joints. The above-mentioned elastic gaskets may be elastic cymbals (such as plastic, pe, uhm, E, polymer, rubber or composite materials) made of any conventional biocompatible elastomer material. Or the elastic spacer is provided in any conventional manner Elastic function, such as elastic sheet, disc-shaped elastic piece (refer to Figure 3C) or grooving method (please refer to Figure 3e) to make elastic gasket with elastic function, 11 201212874 The elastic piece is preferably made of metal elastic piece. 'It can be any form of disc-shaped shrapnel body shape, such as - shrapnel or two pieces of shrapnel - two-piece disc-shaped bullets, (refer to the disc-shaped shrapnel - Step plus an elastomer = sheet with its elastic function (please refer to Figure 3d) e where the elastomer can be made of any == strong biocompatible elastomeric material (eg plastic, PE UHMWPE, polymer, rubber) Or composite makeup® n ^丹甲 The two-piece disc can also be connected by any conventional connection method such as screwing or locking, etc. #口, the above-mentioned disc-shaped shrapnel, which can be used by the disc part, The angle between the two adjacent connecting rods can be restricted (refer to the figure, wherein the disc of the disc-shaped elastic piece can be a disc-shaped elastic piece with an inclined angle (refer to FIG. 3b), so as to facilitate the disc-shaped elastic piece and the connecting piece. Angle adjustment between the rods, between the two adjacent connecting rods Degree as not too large to damage the connecting rod or resetting dished elastic sheet _ - Problems coupling structure between the coupling cup, thereby affecting the function of the connecting mechanism of the spinal rod. The bone fixation device described above may be a conventional bone nail (which may be a uniaxial bone nail or a multiaxial bone screw p〇ly_axia丨screw), or a bone fixation device (such as a bone hook-hook). Etc., an auxiliary bone fixation device (for example, a side block, a side block, etc.), or a rotating bone nail (see another Taiwan patent TW-99100438 by the inventor), preferably a bone nail or a rotating nail. The fixing device may be any conventional fixing device for engaging with the receiving portion of the bone fixing device, wherein the bonding manner may be any conventional fixing manner such as locking, snapping, screwing, etc. , with a screwing ratio better than 12 201212874. - the fixing manner of the above-mentioned connecting cups fixed to the receiving portion of the bone-fixing device 'which can be any fixed way of fixing 'such as screwing and fixing (conventional bone nail and rod screwing), locking and fixing Or snap fit, etc.
上述該骨固定裝置、連結桿、連結杯體、墊片或固定 器，其材質可選用任何被認可且適用之骨科材料，如可植 入人體之金屬材料，例如鐵基材料不鏽鋼316 LVM (stainless steel316LVM)、鈦基材料 Ti—6A】—4v、及鈷 鉻鉬合金等。 上述該等連結桿’其亦4進一步配置一連結套筒以連 結兩相鄰連結桿（請參照圖5)，並藉由連結套筒調整兩相鄰 連結桿之間的距離以配合不同脊椎間的間距。 【實施方式】 圖1 a為本發明脊椎固定系統之連結機構一較佳具體例 φ 分解示意圖。第一連結桿3 1〇與第二連結桿320分別穿過 第一連結杯體110與第二連結杯體120，並將彈性塾片200 放置於第一連結桿3 10與第二連結桿320之間，因第一連 結桿310與第二連結桿320之近桿端處外側311、321大於 第一連結杯體110與第二連結杯體120之穿孔，因此第一 連結桿3 10與第二連結桿320將不會滑脫出連結杯體，第 一連結杯體110與第二連結杯體120藉由自體連結機構將 第一連結桿310、第二連結桿320及彈性墊片2〇〇包覆於 該等連結杯體之中，使第一連結桿310與第二連結桿320 13 201212874 之結合端近桿端處内側313' 323的凹球狐機構（請參日召圖 5)可配合彈性墊片細之球弧機構㈣，彼此之間可轉動， 以調整連結桿間之角度（請參照圖2 }且進—步利用彈性 塾片200之彈性，讓兩相鄰連結桿之間具有緩衝的功能， 使患者於術後活動時，兩相鄰連結桿可藉由彈性墊片2〇〇 減緩兩相鄰連結桿所承受之衝力。其令骨固定裝置之承接 部420開口大小、連結杯穿孔的大小及/或彈性塾片細的 碟片部，可用以限制兩相鄰連結桿可調整之角度，使兩相 鄰連結桿之間的角度不致於過大而導致無法復位或破壞該 連結桿之結構’進而影響該脊椎固^系統之連結機構之功 能。固定器500將連結杯體固定於承接部42〇中。第一連 結杯體U0與第二連結杯冑120的外側面為球弧結構15〇, 使該連結杯體放置於承接部420後，可於承接部420轉動， 以調整角度《第一連結桿310的外側近桿端處311與第二 連結桿320的外側近桿端4 321為球弧，使連結桿於連結 杯體底部内側的球弧機構可藉由彼此之間的球弧面相對轉 動’而達到調整兩相鄰連結桿之間的角度之目的。 圖1 b為圖1 a結合圖。 圖2a為本發明脊椎固定系統之連結機構一較佳具體例 剖面示意圖。連結杯體100包覆第一連結桿31〇、彈性墊 片200與第二連結桿320，並放入骨釘之承接部42〇，使第 一連結桿310與第二連結桿320之結合端近桿端處内側 3 1 3、323的凹球弧機構可配合彈性墊片2〇〇之球弧機構 210，彼此之間可轉動，以調整連結桿間之角度（請參照圖 201212874 連、、、。桿3 1 0與第一連結桿320分別具有一調整平 面312、322，讓連結桿與彈性塾片2〇〇之間可藉由該調整 平面來限制角度。 圖2b為圖2a連結桿轉動示意圖。 、 a 3b ' 3c、3d、3e分別為本發明脊椎固定系統之 連’、。機構5種彈性墊片的較佳具體例示意圖。圊化顯示： 彈性墊片_之球弧機構21()用以與結合桿之近桿端處内 側球弧機構接觸（請參照圖2a)，利用球弧機構⑽的球弧 、面使彈性墊片200與連結桿達到調整角度之功能，且 進步藉由碟片部22〇加以限制連結桿可調整之角度，讓 連結桿並不是無限度的調整角度，以確保兩相鄰連結桿之 間的角度不至於過大而無法復位，進而影響該脊椎固定系 先之連結機構的功能。圖3b顯示：碟片部具有一傾斜 角度，用以限制兩相鄰連結桿之角度。目&顯示：彈性塾 片2〇0由第—彈片230與第二彈片_結合而成，其中第 t -彈片230與第二彈片24〇利用扣合方式加以連結。圖切 顯不：彈性墊片細由第-彈片23〇與第二彈片24〇結人 而成，其中第-彈片230與第二彈片24〇之間放置一彈性 250利用兩相鄰連結桿與連結杯體將上述第一彈片 230、第二彈片24〇與彈性體25〇放置於兩相鄰連結桿間。 圖36顯示：彈性塾片_具有溝槽_，該溝槽260使彈 性塾片200具有彈性功能。 圖^、仆、4c、4d為本發明脊椎固定系統之連結機構 種連結杯體的較佳具體例示意圖。圖㈣示：第一連結 15 201212874 杯體1 ίο與第二連結杯體120間以螺合方式連結。圖4b顯 示.第一連結杯體11〇與第二連結杯體12〇間以卡合方式 連結。圖4c顯示：連結杯體1〇〇藉由雙節點連結13〇由側 面包覆連結桿與彈性墊片2〇〇，並以卡合方式固定。圖4d 顯示：連結杯體100藉由單節點連結14〇由側面包覆連結 桿與彈性墊片200，並以卡合方式固定。 圖5為本發明脊椎固定系統之連結機構之多段式連結 桿的較佳具體例示意圖。第一連結桿3 10與套简360之間 以螺。方式連結，並藉以調整長度，其中第二桿件3與 籲 套筒35〇之連結類同第一連結桿310與套筒360。第一連 結桿310的近桿端處⑽313與第二連結桿32()的近桿端 處内側323為凹球弧機構，使連結桿於連結杯體内可藉由 連結桿的凹球弧機構與彈性墊片200相對轉動，而達到調 整兩相鄰連結桿之間的角度之目的。 圖6為本發明脊椎固定系統之連結機構之多段式連結 桿的另-較佳具體例示意圖。第―連結桿31()與套筒^ 之間以螺合方式連結’並藉以調整長度’其中第二桿件· 與套7 350之連結類同卜連結桿31()與套筒⑽第一 1結桿310的近桿端處内側313與第二連結桿32〇的近桿 端處内側323為凸球弧機構，使連結桿於連結杯體内可藉 由連結桿的凸球弧機構與雙凹彈性墊"〇〇的球弧面相： 轉動’而達到調整兩相鄰連結桿之間的角度之目的。 圖7為本發明脊椎固定系統之連結機構組裝於骨節的 -較佳具體例示意圖。本發明裝置於脊椎骨節彈性墊片 16 201212874 200玫置於兩相鄰連結桿之間，用以調整 角度。 相鄰連結桿之 圖8為圖7另一視角示意圖。 【圖式簡單說明】 較佳具體例 圖1 a為本發明脊椎固定系統之連結機構— 分解示意圖。 圖lb為圖&結合圖。The bone fixation device, the connecting rod, the connecting cup, the gasket or the retainer may be made of any approved or suitable orthopedic material, such as a metal material that can be implanted into the human body, such as an iron-based material stainless steel 316 LVM (stainless) steel316LVM), titanium-based material Ti-6A] - 4v, and cobalt chromium molybdenum alloy. The connecting rods 4 are further arranged with a connecting sleeve for connecting two adjacent connecting rods (please refer to FIG. 5), and the distance between the two adjacent connecting rods is adjusted by the connecting sleeve to match the different intervertebral spaces. Pitch. [Embodiment] Fig. 1a is a schematic exploded view of a preferred embodiment of the coupling mechanism of the spinal fixation system of the present invention. The first connecting rod 3 1〇 and the second connecting rod 320 respectively pass through the first connecting cup body 110 and the second connecting cup body 120, and the elastic connecting piece 200 is placed on the first connecting rod 3 10 and the second connecting rod 320 Between the first connecting rod 310 and the second connecting rod 320, the outer side 311, 321 of the second connecting rod 320 is larger than the first connecting cup 110 and the second connecting cup 120, so the first connecting rod 3 10 and the first The two connecting rods 320 will not slip out of the connecting cup body, and the first connecting cup body 110 and the second connecting cup body 120 will connect the first connecting rod 310, the second connecting rod 320 and the elastic spacer 2 by a self-linking mechanism. The 〇〇 is wrapped in the connecting cup body, so that the joint end of the first connecting rod 310 and the second connecting rod 320 13 201212874 is near the inner end of the rod end 313' 323 of the concave ball fox mechanism (please refer to FIG. 5 ) can be matched with the elastic ball thin ball mechanism (4), can be rotated between each other to adjust the angle between the connecting rods (please refer to Figure 2) and further utilize the elasticity of the elastic cymbal 200 to make two adjacent connecting rods There is a buffering function between the two adjacent connecting rods through the elastic gasket 2〇〇 The force of the two adjacent connecting rods is relieved. The size of the receiving portion 420 of the bone fixing device, the size of the connecting cup perforations and/or the thin disc portion of the elastic flap can be used to limit the adjustment of the two adjacent connecting rods. The angle between the two adjacent connecting rods is not too large to cause the structure of the connecting rod to be reset or broken, thereby affecting the function of the connecting mechanism of the spinal system. The holder 500 fixes the connecting cup to the connecting body. The receiving portion 42 is disposed. The outer surface of the first connecting cup U0 and the second connecting cup 120 is a ball arc structure 15〇, and after the connecting cup is placed on the receiving portion 420, the receiving portion 420 can be rotated to adjust The angle "the outer side near the rod end 311 of the first connecting rod 310 and the outer near rod end 4 321 of the second connecting rod 320 are spherical arcs, so that the ball arc mechanism connecting the rods on the inner side of the bottom of the cup body can be used by each other Figure 1b is a combination of a preferred embodiment of the coupling mechanism of the spinal fixation system of the present invention. Link cup 100 pack The first connecting rod 31〇, the elastic spacer 200 and the second connecting rod 320 are placed, and the receiving portion 42〇 of the nail is placed, so that the joint end of the first connecting rod 310 and the second connecting rod 320 is near the inner side of the rod end 3 1 3, 323 concave ball arc mechanism can be matched with the elastic ball 2 〇〇 ball arc mechanism 210, can be rotated between each other to adjust the angle between the connecting rods (please refer to Figure 201212874 lian, 、, rod 3 1 0 and the first connecting rod 320 respectively have an adjusting plane 312, 322, so that the angle between the connecting rod and the elastic cymbal 2 限制 can be limited by the adjusting plane. Fig. 2b is a schematic view of the connecting rod of Fig. 2a. , a 3b ' 3c, 3d, 3e are respectively the connection of the spinal fixation system of the present invention. A schematic diagram of a preferred embodiment of five types of elastic spacers.圊化 display: The elastic gasket _ the ball arc mechanism 21 () is used to contact the inner ball arc mechanism at the proximal end of the coupling rod (refer to Figure 2a), using the ball arc and surface of the ball arc mechanism (10) to make the elastic pad The piece 200 and the connecting rod reach the function of adjusting the angle, and the progress is adjusted by the disc portion 22 to limit the angle of the connecting rod, so that the connecting rod is not an infinite adjustment angle to ensure the relationship between the two adjacent connecting rods. The angle is not too large to be reset, which in turn affects the function of the joint mechanism of the spinal fixation system. Figure 3b shows that the disc portion has an angle of inclination to limit the angle of the two adjacent connecting rods. The eye & display: the elastic cymbal 2 〇 0 is formed by combining the first elastic piece 230 and the second elastic piece _, wherein the t-shaped elastic piece 230 and the second elastic piece 24 连结 are coupled by a fastening manner. The figure is not shown: the elastic spacer is formed by the first elastic piece 23〇 and the second elastic piece 24〇, wherein a resilient 250 is placed between the first elastic piece 230 and the second elastic piece 24〇 by using two adjacent connecting rods and The connecting cup body places the first elastic piece 230, the second elastic piece 24〇 and the elastic body 25〇 between the two adjacent connecting rods. Fig. 36 shows that the elastic cymbal _ has a groove _ which allows the elastic cymbal 200 to have an elastic function. Fig. 2, servant, 4c, 4d are schematic diagrams showing a preferred embodiment of the connecting body of the spinal fixation system of the present invention. Figure (4) shows: the first link 15 201212874 The cup 1 ίο and the second connecting cup 120 are screwed together. Fig. 4b shows that the first coupling cup 11〇 and the second coupling cup 12 are joined by engagement. Fig. 4c shows that the connecting cup body 1 is covered by the side jointing rod and the elastic spacer 2〇〇 by a double-node joint 13〇, and is fixed by engagement. Fig. 4d shows that the connecting cup 100 is covered with the connecting rod and the elastic spacer 200 from the side by a single-node joint 14 and is fixed by engagement. Fig. 5 is a view showing a preferred embodiment of the multi-segment connecting rod of the connecting mechanism of the spinal fixation system of the present invention. The first connecting rod 3 10 and the sleeve 360 are screwed. The manner is linked and the length is adjusted, wherein the connection of the second rod 3 to the snap sleeve 35 is similar to the first connecting rod 310 and the sleeve 360. The inner end 323 of the first connecting rod 310 near the rod end (10) 313 and the second connecting rod 32 () is a concave ball arc mechanism, so that the connecting rod can be connected to the cup body by the concave ball arc mechanism of the connecting rod Rotating relative to the elastic spacer 200 to achieve the purpose of adjusting the angle between the two adjacent connecting rods. Fig. 6 is a view showing another preferred embodiment of the multi-segment connecting rod of the connecting mechanism of the spinal fixation system of the present invention. The first connecting rod 31 () and the sleeve ^ are screwed together 'and by the length adjustment', wherein the second rod and the sleeve 7 350 are connected with the same type of connecting rod 31 () and the sleeve (10) first 1 The inner side 313 of the proximal end of the rod 310 and the inner side 323 of the second rod 32〇 are a convex arc mechanism, so that the connecting rod can be connected to the cup body by a convex arc mechanism of the connecting rod The double-concave elastic pad"〇〇's arcuate phase: rotates' to achieve the purpose of adjusting the angle between two adjacent connecting rods. Fig. 7 is a schematic view showing a preferred embodiment of the attachment mechanism of the spinal fixation system of the present invention assembled to the joint. The device of the present invention is placed between the two adjacent connecting rods for adjusting the angle of the elastic joint spacer 16 201212874 200. Figure 8 of the adjacent connecting rod is another perspective view of Figure 7. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1a is a schematic exploded view of a joint mechanism of a spinal fixation system of the present invention. Figure lb is a diagram &
圖2a為本發明脊椎固定系統之連結機構_ 一立 秋1主具體例 圖2b為圖2a連結桿轉動示意圖。 圖3a、3b、3c、3d、3e分別為本發明脊椎 機構5種彈性墊片的較佳具體例示意圖。 圖 4a、4b、4c、 4種連結杯體的較佳 4d為本發明脊椎固定系統之連結機構 具體例示意圖。Fig. 2a is a connection mechanism of the spinal fixation system of the present invention_一立秋1 main specific example Fig. 2b is a schematic view showing the rotation of the connecting rod of Fig. 2a. 3a, 3b, 3c, 3d, and 3e are schematic views showing preferred examples of five kinds of elastic spacers of the spinal mechanism of the present invention. 4a, 4b, 4c, and 4 preferred embodiments of the connecting cup body are schematic views of a specific example of the connecting mechanism of the spinal fixation system of the present invention.
圖5為本發明脊椎固定系統之連結機 桿的較佳具體例示意圖。 又式連 結 圖6為本發明脊椎固定系 才干的另—較佳具體例示意圖。 圖7為本發明脊椎固定系 —較佳具體例示意圖。 統之連結機構之多段式連結 統之連結機構組裝於骨節的 圖8為圖7另一視角示意圖。 17 201212874 【主要元件符號說明】 100 連結杯體 110 第一連結杯體 120 第二連結杯體 130 雙節點連結 140 單節點連結 150 球弧結構 200 彈性墊片 210 球弧機構 220 碟片部 230 第一彈片 240 第二彈片 250 彈性體 260 溝槽 310 第一連結桿 311 近桿端處外側 312 調整平面 313 近桿端處内側 320 第二連結桿 321 近桿端處外側 322 調整平面 323 近桿端處内側 330 第三連結桿 340 第四連結桿 350 套筒 360 套筒 410 螺釘部 420 承接部 500 固定器 610 骨節 620 骨節 630 骨節 700 雙凹彈性墊片Fig. 5 is a view showing a preferred embodiment of the connecting rod of the spinal fixation system of the present invention. Further connection Fig. 6 is a schematic view showing another preferred embodiment of the spine fixing system of the present invention. Fig. 7 is a schematic view showing a preferred embodiment of the spinal fixation system of the present invention. The multi-stage connection mechanism of the connection mechanism is assembled to the bone joint. Fig. 8 is a schematic view of another perspective view of Fig. 7. 17 201212874 [Description of main component symbols] 100 connection cup body 110 first connection cup body 120 second connection cup body 130 double node connection 140 single node connection 150 ball arc structure 200 elastic spacer 210 ball arc mechanism 220 disc portion 230 A spring piece 240 second elastic piece 250 elastic body 260 groove 310 first connecting rod 311 near the outer end of the rod end 312 adjustment plane 313 near the inner side of the rod end 320 second connecting rod 321 near the outer end of the rod end 322 adjustment plane 323 near the rod end Inside side 330 third connecting rod 340 fourth connecting rod 350 sleeve 360 sleeve 410 screw portion 420 receiving portion 500 holder 610 bone joint 620 bone joint 630 bone joint 700 double concave elastic gasket
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