TW201110930A - Bone anchoring device - Google Patents
Bone anchoring device Download PDFInfo
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- TW201110930A TW201110930A TW099131915A TW99131915A TW201110930A TW 201110930 A TW201110930 A TW 201110930A TW 099131915 A TW099131915 A TW 099131915A TW 99131915 A TW99131915 A TW 99131915A TW 201110930 A TW201110930 A TW 201110930A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
- A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
201110930 六、發明說明: 【發明所屬之技術領域】 本發明係關於一種骨骼固定裝置,可供穩定桿件固定於 骨骼或椎骨内。骨骼固定裝置包含固定元件;容納件,可供 容納骨骼固定元件之頭部,和容納穩定桿件,連接於固定元 件。固定元件係樞動連接於容納件,可藉經由壓力元件施壓 於頭部,以固持其角度。固定元件和壓力元件可從容納件頂 端插入,而壓力元件一旦插入後,彈簀元件抵制壓力元件經 頂端脫出。 【先前技術】 US 5,716,356號記載一種多軸式骨胳螺釘,包含螺釘元 件和容納件,後者樞接於螺釘元件和壓力元件,對螺釘元件 的頭部施壓,以固持螺釘元件和容納件間之角度。容納件呈 U形通道,以容納穩定桿件。壓力元件包括圓筒形凹部, U形通道對齊,把桿件容納其内。為把壓力元件包持在盥口 ^道對齊之位置,壓力元件擠穿過容納件所設腔孔:以 固持其位置。 US 20_080420 A1記載一種多抽式骨路螺釘包 ,基部構件把敎元件扣持在容納構件 u相件施壓於螺釘元件之頭部。冠部元件包括 二之止動表面,有助於保持冠部元件於容納 =底m容路:r所謂底部加載式螺釘,即螺釘元件 WO 2006/116437 A2記載-種骨縣固定器,供脊 配署式骨路螺釘形式’包含螺釘元件、罩殼'、套筒和 罩殼内之筒夾,供施壓於螺釘元件之頭部。蟫釘二株 成於套ί另外,扣持肋條可形成於罩殼,而長孔形 通常’上述_之多軸式骨賴釘,_如峽商· 201110930 組裝狀態運送。在此狀態下,特殊螺釘元件,例如具 長度和特定螺紋形式的幹部直徑之螺釘元件,連^六 力元件即配置其内’故不致脫出。外科手術可^用 必要數量和型式之此類預組裝多軸式骨骼螺 = 套植入體提供。 ㈣先以全 你知錄式骨闕釘在預組裝狀_,壓力元件是在可 ^碩。Ρ在容納件内自由樞動之位置。在手術當中的某些 下,不需要有如此不拘限的樞動。 /、— 4 【發明内容】 由外供—種骨路固定裝置’其中組件可 脉組裝。料,f麵妓置倾供手術當中 雜ί目目丨的係按照_請專利範圍第1項固定裝置解決。進-^發展則列於申請專利範圍附屬項。 減少置只有少數組件。組件係簡單設計。如此可 之前,置。組件製造後,在螺針插入骨路内 多軸式骨二=骨絡。是故, 其任何,理,於手術之前或當中為5仃-疋外科醫師或 要,定f f之模組系統,可視實際臨床需 轴式螺釘2d 合各種固定元件。如此可降低多 體。此外,财容存料,使外觸師可實質選擇植入 以此骨齡件可升等,形成本發背綱定裝置。 稍微偏堡力,故預組裝狀態之螺釘元件頭部施以 下,此舉可改進骨^定手^力以樞_部°在某些情況 同的壓力元件,在骨骼的處置。可提供不 元件,以選擇㈣树可藉選擇適當歷力 201110930 【實施方式】 白。本發明其他特點和優點,由如下參見附圖之說明即可明 第Μ圖所示第一具體例之骨路固定 件,在本例中為螺釘構件 置d 多其他ΞίΓί:之:ί:須知圖示?定機件係舉例,可以ϊ ^ 1' ,. 、疋一件式鎖定機件,並有不同的if %
==件=彈簧元件8,形成套合環,把壓力Z 例内特ΐίί二式。在圖示具體 ^ 53 朝底^?0 52縮小,由此且古rt- ca lJr 罝4工 接納頭部4,故可相對於容納件有 3可以貫?。腔孔 2實質土 U形凹部55,藉此形成通道,以容納桿件 。壓m有:f:5 56 ’與鎖定機件的内螺釘7嚙合。 從頂端51插入,並可在容納件5的53 ί 6卜適應聊4尺寸1力^;側面’科球形凹部 狀,諸如平坦表面或二想任何其他形 之表面,可提供分佈於頭部適 =丁f件f部 堅力兀件6有圓_凹部62,適於容納桿件2〇於其 201110930 内。利用此凹部形成通道,以容納桿件。在圖示具體例内, 凹部62深度小於桿件直徑,故内螺釘7可進到與桿件20接 觸。共軸腔孔63延伸穿過壓力元件,可存取工具,旋入到螺 釘元件2内。 壓力元件60又包括環周凹溝64,設在壓力元件外表 面,/於圓筒形凹部62下方。凹溝64截面呈長方形,惟亦可 方形或圓滑之角隅。亦可有其他形狀,例如不對稱形。凹溝 64直徑使其可接納套合環8之一部份。利用長孔63使套人 環具有彈性,直徑可以變化。 σ 壓力元件5包括相對應環周凹溝57,位於通路55底部 斗下方,故當套合環8插入時,即位在桿件以下。凹溝尺 納套合環8。就像壓力元件的凹溝64,容納件内的 有長方形截面,或方形截面,或為圓滑角隅。亦可 為其他形狀,例如不對稱形。 減ί參^ 5至7圖說明套合環8。第一具體例之套合環 小,眚t合環的内徑在底側82較在頂側81 動方向形成不對獅。凹溝57的位 ^插人凹溝内’再將壓力 動。套合環的:力持位置,仍然容許頭部樞 力元件時,會在二擴;果内’在引進Μ 銷宕嬙杜♦-a 直引尝入壓力70件之凹溝64内。 頭部鎖定於容納件ί力凡件向下運動,直到壓住頭部,在 鈦或不銹鋼,體:,料製成,例如 相容性塑膠材料製成,使彈簧元件環 201110930 能。 星形第變化例。套合環8,不是_,而是 ί 和斜面84,,最好位於星形峰邻Η之谷 其他^,例如具有蜂部和谷部之其他;更形環挽性。亦可構想 而凹ί=ίΓ+,物咖可椒方向對稱, 9圖第-步锁如第 内。套人璜8 $宏、、牛内,直至置於凹溝57 人卢t二 向使斜面84朝向容納件5之頂端5卜套 合% 8在環周方向之定向,佶县 — 晉 的縱軸線呈大約90度。 疋位在相對於通路55 次-步驟如第1G圖所示,螺釘元件和壓力 ίί納彳,1故螺紋幹部3在第二端52通過腔孔53。 w後’如第11圖所示,壓力元件6和頭部 因=通過突入腔孔53内之套合環。由於斜面 = 頂端5卜可以減少螺釘頭部和壓力元件插入 :和壓力兀件的下緣沿斜面84滑動,因而把套合環擴J釘2 力7G件向下推,直到套合環8套人壓力元件之凹溝64内。一 旦套合環接納入凹溝64内,除去壓力元件(即從凹溝64 去套合環)必要之力量即增加,因為凹溝64,57的上部: 有止動件的仙。所以’壓力元件不會落出,也不會經 一端51脫出,除非使用特殊工具。因此,壓力元件和 件的組裝是單向式。 ’' 疋 可以選擇套合環的位置,使壓力元件在預組裝狀態下, 對頭部施以稍微偏壓力。如此,可設不同的壓力元件,例如 具有凹溝的第一壓力元件,位於比第二壓力元件高。在骨骼 固定裝置組裝時,可選擇適當壓力元件,具有所需的偏壓 力。 現有多軸式螺釘之容納件和壓力元件,可設凹溝和套合 201110930 環而升等。 然後吏容絡】J後’把螺釘插入骨絡内。 骨路固定裝置辦餘f有j疋向接納桿件。把連接若干 件,夾持頭%,力Γ以铛〜’方疋緊内螺釘7,〶下推動壓力元 由於斜面84朝第一端51,====: 小力元件的凹溝叫沿二下動壓所需力- 例不體機二具體例與第-具體 指桿59 Λ·’ + 5在—相反侧’有縱向凹部%’内配置彈性 51 %從躺第二端52_部58基底,按第一端 ίίΓ出,分別在凹部58進、出方向撓曲。-因Ϊ二 一端之末^接^^力/件往外麗之彈性指桿59。在其朝第 始Ϊγ末^ ^干有止動表面59a,分別實質上垂直於轴 第一端延^。ί止動表面%的相反側’有傾斜表面59b朝向 面5%向下傾斜,形成滑面,壓力元件可沿此 3之=表面59a區域内的彈性指桿間之内徑,比壓力 ,力7L件6’雜與前述具體例之壓力元件6 ^溝64。屋力元件6,上錢與彈性指桿的止動表面t 株V第^體例骨賴定裝置之組裝步驟為,首先提供容納 ’再將螺釘兀件2連同愿力元件6’,從容納件5,頂端插 H第17圖。壓力元件和頭部往下運動,直至壓力元件碰 J彈性指桿59之上斜面5% ’因而分別把彈性指桿向外壓入 凹部58内。由於傾斜表面5%朝向第一端51,插入力量 小。當壓力元件通過彈性指桿時,即向後套合,由止動表面 59a阻止屢力元件按第一端51方向脫出。所以,壓力元件、 201110930 螺釘元件和容納件的組裝也是單向 具體例可構想進—步修改。例 用各種固定元件,與容納件•且人二對固疋兀件而言,可 長度、不同直徑的螺釘、套其^等固定元件有例如不同 等。 ^釘套官螺釘、不同螺紋形之螺釘、釘 射容目納件,尤指具有不同鎖定元件,例如-件犬 鎖又機件,即具有外螺釘和 件式 定。壓力元件具有桿材用通道件和頭部分別鎖 思其他鎖定機件,諸如外_、較可構 料你狀不限於圖不具體例。例如容納件可右尤 對稱=:^:有不 形狀亦不限於圖示具體例。例如壓力元件可 ϋ ίϊΐη經由錐形斜縮部,對頭部施壓,和/ ί可 部’或具有其他形狀。 ί=Γ固ί裝置第一具體例之透視侧視圖; Ϊ 3=目錄狀裝置岭H舰側視圖; 圖;第3圖為第2圖骨絡固定裝置垂直於桿件轴線之斷面 第4圖為第3圖部份放大圖; 第5圖為第一具體例套合環之透視圖; 第6圖為第一具體例套合環之俯視圖; ,7圖為第6圖套合環沿第6圖Α_Α線之斷面圖; 第8圖為套合環修飾具體例之透視圖; ,9-11圖為第—具體例骨制定裝置組裝步驟斷面圖; 圖為第二具體例骨裝置之透視分解圖; 3圖為第12圖錄ϋ定裝置組餘態之透視圖; 4圖為帛12和13圓所示第二具體例容納之透棚; 圖為第12圖第二具體例骨路固定裝置垂直於桿件 釉綠之斷面圖; 201110930 第16圖為第15圖骨骼固定裝置之部份放大圖; 第17圖為第二具體例骨骼固定裝置之組裝步驟圖。 【主要元件符號說明】 1 骨骼固定裝置 2 螺釘構件 3 螺紋幹部 4 頭部 4,4, 凹部 5,5, 容納件 6,6, 壓力元件 7 内螺釘 8,8, 彈簧元件 20 桿件 51 容納件頂端 52 容納件底端 53 共軸腔孔 54 底座 55 U形凹部 56 陰螺紋 57 凹溝 58 縱向凹部 59 彈性指桿 59a 止動表面 59b 傾斜表面 61 球形凹部 62 圓筒形凹部 63 共軸腔孔 64 凹溝 65 壓力元件上侧 81 套合環頂侧 82 套合環底側 83 從頂側貫穿底侧長孔 84,84s 套合環斜面 Μ 對稱軸線
Claims (1)
- 201110930 七、申請專利範圍: 1.一種骨骼固定裝置,包含: 固定元件(2),有固定於骨骼用之幹部(3),和頭部 (4); 容納件(5,5’)’供容納頭部(4),和容納欲連接至固定 元件之桿件(20),容納件係形成單件式,有頂端(51)和底 端(52) ’從頂端延伸到底端之腔孔(53),鄰接頂端之實質上 U形通道(55),以容納桿件,和鄰接底端之底座(54),以接 納頭部,其中固定元件係從頂端(51)插入; 壓力元件(6,6’)’能夠施壓於頭部; 其中固定元件可相對於容納件樞動,並藉經由壓力元件 施壓於頭部而固設成角度; 又其中設有彈簧元件(8,8’,59),作用於壓力元件和容 納件之間’得以從頂端引進壓力元件,並抵纖力元件通過頂 部取出去。 ’其中彈簧元件 ’其中彈簧元件 2·如申請專利範圍第1項之骨骼固定裝置 (8,8’,59)係於插入方向不對稱者。 β 3.如申請專利範圍第1項之骨路固定裳置 和壓力元件(6,6,)係分開之組件者。 如申請專利範圍第1或2項之骨骼固定裝置,苴 Ϊ件之設計,使壓力元件(6,6,)可運動i保持: 置,仍然容許頭部樞動者。 5. 如申請專利範圍第4項之骨骼固定裝 套合於保持錄,對抗㈣元件之彈力者。1 /、㈣力疋件 6. 如申請專利範圍第1項之骨骼固定装 苴 彈性環’插入於壓力元件之凹溝内和i納件之Ξ溝 置,其中彈性環具 7·如申請專利範圍第6項之骨骼固定裝 有一細縫(84)者。 8.如申請專利範圍第6或7項之骨骼固定裝置,其中環之 12 201110930 内徑在朝向頂端之侧較大,而朝向底端之側較小者。 9. 如申請專利範圍第6項之骨骼固定裴置,其中環之内 面(84)在頂端和底端間至少一部份傾斜者。 、 其中環為圓 其中容納件 其中彈簧元 10. 如申請專利範圍第6項之骨骼固定束置 形,或星形等波浪狀者。 〜 U.如申請專利範圍第1項之骨骼固定震置 (5’)之内壁包括彈簧元件(59)者。 、 請專利範圍第11項之骨路固定袈置,其中彈簧元 件以力元 13
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US24594009P | 2009-09-25 | 2009-09-25 | |
EP09171416A EP2301458B1 (en) | 2009-09-25 | 2009-09-25 | Bone anchoring device |
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US (3) | US8764810B2 (zh) |
EP (2) | EP2548525B1 (zh) |
JP (2) | JP5661394B2 (zh) |
KR (1) | KR101462638B1 (zh) |
CN (1) | CN102028529B (zh) |
ES (2) | ES2477272T3 (zh) |
TW (1) | TW201110930A (zh) |
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-
2009
- 2009-09-25 ES ES12188939.8T patent/ES2477272T3/es active Active
- 2009-09-25 EP EP12188939.8A patent/EP2548525B1/en active Active
- 2009-09-25 ES ES09171416T patent/ES2417188T3/es active Active
- 2009-09-25 EP EP09171416A patent/EP2301458B1/en active Active
-
2010
- 2010-09-21 TW TW099131915A patent/TW201110930A/zh unknown
- 2010-09-21 CN CN201010294070.4A patent/CN102028529B/zh active Active
- 2010-09-21 JP JP2010210738A patent/JP5661394B2/ja active Active
- 2010-09-24 US US12/890,341 patent/US8764810B2/en active Active
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2014
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- 2014-12-03 JP JP2014245028A patent/JP5912166B2/ja active Active
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ES2477272T3 (es) | 2014-07-16 |
KR20110033805A (ko) | 2011-03-31 |
US20140330323A1 (en) | 2014-11-06 |
JP2015057123A (ja) | 2015-03-26 |
US20110077694A1 (en) | 2011-03-31 |
JP5912166B2 (ja) | 2016-04-27 |
US8764810B2 (en) | 2014-07-01 |
JP2011067628A (ja) | 2011-04-07 |
EP2301458A1 (en) | 2011-03-30 |
US20160066961A1 (en) | 2016-03-10 |
CN102028529B (zh) | 2015-06-17 |
US9149300B2 (en) | 2015-10-06 |
EP2301458B1 (en) | 2013-04-03 |
CN102028529A (zh) | 2011-04-27 |
ES2417188T3 (es) | 2013-08-06 |
EP2548525A1 (en) | 2013-01-23 |
EP2548525B1 (en) | 2014-04-02 |
KR101462638B1 (ko) | 2014-12-04 |
JP5661394B2 (ja) | 2015-01-28 |
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