TW200916047A - Rod assembly and modular rod system for spinal stabilization - Google Patents
Rod assembly and modular rod system for spinal stabilization Download PDFInfo
- Publication number
- TW200916047A TW200916047A TW097138482A TW97138482A TW200916047A TW 200916047 A TW200916047 A TW 200916047A TW 097138482 A TW097138482 A TW 097138482A TW 97138482 A TW97138482 A TW 97138482A TW 200916047 A TW200916047 A TW 200916047A
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- rod
- rod assembly
- core
- adapter
- assembly
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Classifications
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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
-
- 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
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
- A61B17/7026—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form
-
- 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
- A61B17/7049—Connectors, not bearing on the vertebrae, for linking longitudinal elements together
- A61B17/705—Connectors, not bearing on the vertebrae, for linking longitudinal elements together for linking adjacent ends of longitudinal elements
-
- 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
-
- 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
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7004—Longitudinal elements, e.g. rods with a cross-section which varies along its length
-
- 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
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
- A61B17/7026—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form
- A61B17/7028—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form the flexible part being a coil spring
Description
200916047 九、發明說明: 【發明所屬之技術領域】 本發明侧於-種脊椎穩定用的桿件 和配置在撓性管狀元件内之核心; ”動。延伸進入承接器之_部份内,後者本身延伸^ ϊ桿件=提供精巧設計。本發日狀_脊椎穩定用之^組 【先前技術】 包括Γ彈記載—觀於細1定之阻尼元件, 内彈簧靠近兩側承接器之末端,故在一妾器。 us 2__5815 A1 記載 容納於撓性管狀桿内,在轴包括核心’ 狀邱H=49937 ai記載一種脊椎穩定桿’包括撓性管 部;剛性端部,以及延伸貫穿撓性 接器内 接挽性牛之各端。核心不延伸進入承 圖簡略表示脊椎,連同骨㈣定元件觸,固定於 Ξ ㈣。通常骨路固定元件是經由脊椎穩定桿 見二典ϋΐ為剛性(筆直或,彎曲)或撓性至某種程度。可 λπ ^ 疋元件間之桿所跨越距離,在較高胸椎區為25- 日’而在中腰椎區降到2〇_25mm’以迄下腰椎區大 的不同部Γ稃ΐ特床應用上,必須以不同方式把脊椎 切%疋例如在不同位置必須用到剛性以及撓性穩 200916047 至在脊椎的不同位置,例如右侧和左側,必須使用不 考細在錄的τ_部份或在脊 件間_小’紋需有精巧形狀 【發明内容】 總成是?以供-種脊椎穩定用之桿件 J i 方式使用’有易而多樣用途。此外,旨在 維度之桿件總成。最後娜 此目的是以申請專利範圍第 ^ ϊίΐί 專利範圍附屬項内。 V贫辰幻於甲明 預組 由於設計精巧,桿件總成可用於 可用在所用錄固定场彼此距離很 區或讎區。 靴』、之&域,諸如下腰椎 述,=^_嗜點,由參_所示具體例之詳 【實施方式】 例中管狀元件之内徑,從第一端段2a第至不,體 變。管狀外徑在第一端段和第二端#,f 一鳊'^又沘一疋不 ^管狀元件包括撓性段,對管“件 撓性段最好由凹部3形成’以螺狀方式延伸越過管狀元 200916047 ==維管曲彈性。螺狀 其是,=:=金;:形= 連接至第二^段inm 承翻4,和 li 4 5;4 第二段扑,第二以二^ 件?Ϊ; 二段_外表二= 兀仔…σ在圖不具體例中,包括螺紋6 、ς犯 ~4r - 穿至第二端。 此、釉腔孔7,從第-端延伸貫 組上:接第“: 之第-端段2a。第-承接器的第一段外表 ^ j兀件 合兼具形式鎖定或積極套接以及摩擦接接 立壓套接合。在麻田散體狀態,比在沃態更:J 2二;承接器的多面形產生積極4 桿件總成1又包括核心8,在圖千道,丄 200916047 =連^於第-承接器4,亦即t狀树2 從第一承接器4末端延伸至第二端段2 ^端^ 2a。 延伸完全貫穿管狀元件2之彈性段。核心因此, 2在完全壓縮狀態時,其自由端 狀轉 記憶性合金製成’諸如鈦錦合金=鋅8 尤其是可由鎳鈦諾線。 』如鏢鈦諾。 :第=5,可見,第二承接器5有第一 5b。第-& 5a夕卜徑大約相當於 又 f 狀。第二段^^件 他元件結合。在圖 ,了二的其 桿件或承接器接合。第二承接與= 一段5a的自由端延伸至螺咬 腔孔U,從第 比核心8外徑大。4螺^孔^底部。共軸腔孔U内徑 心8延伸貫穿腔孔Γ! t:= 管狀元件2時,核 Ϊίΐΐί 5係由生理相容性材料製成,例如鈦。 之問®,在第二承接器第-部份5a和核心8 連接到第二承二夕。f筒尸有第一部12a,利用壓套接合, 12外护,大約/丘紅第一段化。意即第一部份以内的套筒 末端“腔孔J;^孔二亩第一部份12a的 t小太ΐ同内控比核心8外徑猶大,故核心8可在套 套靖長度使得挽曲時’核心不會滑出套筒外。套 ^ 、乂二8 /月動的材料製成。例如,可由聚趟醚_ fPTFF、、強化之聚醚醚酮(CRF腿幻、聚四氟乙烯 ffi 4 二合軸承的其他生理相容性材料製成。亦可使 用生理相谷性塗料,以改進軸承性能。 核心8用來加轉性管狀元件。例如,若無核心8,管 200916047 狀70^2在某負載狀況下會扭曲。核心8可防止此類扭曲。 在承材料維度和S件性能,使特殊桿件總成 在承接㈢雜和⑦打Φ,具有制需要之特性。 由=心8應在—側可自由運動,故必須有空間讓核心 $ =把核心的活動端配置於第二承接器之至少^ 3縮=件總成的總長度。又可縮短桿件總成撓性部:之 長度。如此即用於例如脊椎之下腰椎部份。 第73至7C圖表示承接器之各種修飾例。承拯5| 筮 ,5型式。同樣組件以同樣參考:^標:接= = 錄敎裝置之級轉。承接器 有十:》:一透、緣$ 7b圖表不八面形外表面,而 面。選擇第-段外表面形狀,利用形式套人:;穑二 套合)兼摩擦套接,達成雜接人° (或積極 於管狀元件第二段2bt=接⑼度。第二段料徑相當 於第2至5圖所示承接器/丁承接&之一,而承接器4相當 第9圖表示之承接器,其型式像承接器^ 器4。由第9圖可見’承接器4的陽螺紋7可盘^象^ 紋腔孔10❸陰螺紋結合。此舉可把 ^5螺 二其是可提供某種長度之以二Π :队林同的撓曲性能’相當於各桿件總成之撓2 第術至10d圖表示各種剛性桿部2〇,21,2功 各在一 200916047 端有螺紋腔孔20a,2la”aM。 2〇b,m,22b,23b。剛性椁部可有不同而?=螺紋凸部 不,或具有曲率,如第1〇d園新_ 又,如第l〇a至l〇c所 桿件總成的第-承接器之螺紋二?紋二施至23a與 23b與第二承接器5之螺咬腔孔1〇=人而螺紋凸部20b至 相容性材料製成,例如鈦或不_。、、,〇。_桿部係由生理 元件述若干 桿部23、特定長度和特定彈性 ’包括剛性 定裝置末端,設有難25,雜件j 成1’。在穩 蓋可有其他設計。第llb圖表示筮7;成ί端尨合。當然,端 合狀態。第lie圖表示第山'和3,骨_定裝置之組 置。唯-不同的是,第二桿件軸 骨絡穩定裝 第W牛總成1為小,故與剛性桿段20表面齊平。 可進一步改變。桿件總成和剛性桿部間之蟫人· 其他接合,諸如壓套接合。在又—變二u ’可改用 份延伸到管狀元件的末端段 2接时-部 合。不同具體例之各種元件可。。例如利用壓套接 核心8可有非圓形斷面’例如長方形斷面, 二堅性。此外,核心8可由形狀記憶性合金 ^
成。例如可由生理相容性塑膠材料製成。 的材枓I 使用時,提供-組桿件總成,有各種外徑、各種 各種長度和各種連接機構。又提供不_型的一組^ 接器,以及不同長度和/或曲率之剛性桿部。、 3和剛性桿部,形成模組式桿件系統。外 ^式糸統選用適當it件,、组合於脊椎穩辅,‘ 疋兀件,如第1圖所示。尤其是可顧及不同的解气 如在脊椎左側或右側,或脊椎的不同區域,選用和^適^ 200916047 元件以供矯正。 【圖式簡單說明】 第1圖為脊椎簡圖; 成轉絲狀斷面圖; 丨晴顧之树=圖 圖為第2圖桿件總成之側視圖; f圖為第2圖桿件總成之透視分解圖; ^ 6圖為桿件總絲狀元件之第二具體例; 第6圖管狀元件所用承接器之變化例; 第8圖為杯件總成之第三具體例; ^圖為第8圖桿件總成所用二承接器之透視圖; 器之各圖絲本發明縣域顧_桿件承接 第11a至11c圖為桿件總成和承接器之各種組合。 【主要元件符號說明】 1〇〇 骨骼固定元件 桿件總成 2a,2a'第一端段 3 螺狀凹部 4a,5a,5a·第一段 4c 環形肩部 6 螺紋 8 核心 10 螺紋腔孔 12 套筒 12b 第二部份 20a,21a,22a,23a 螺紋腔孔 25 圓蓋 101 椎骨 2,2'管狀元件 2b,2b’第二端段 4 第一承接器 4b,5b,5b'第二段 5,5’第二承接器 7 共軸腔孔 9 核心自由端 11 共軸腔孔 12a 第一部份 20,21,22,23剛性桿部 20b,21b,22b,23b 螺紋凸部 11
Claims (1)
- 200916047 十、申請專利範圍: 1.一種脊椎穩定用的桿件總成,包括·· 繞性官狀元件(2,2,),有第一^ in. r ^ (2b); 秀弟^^又(2a)和第二端段 承接器(5) ’連接於第-嫂# , 合結構UG,6),供連胁,雜⑸有結 件總成; 裝置之其他桿部或其他桿 其_承接器(5 )至少一Λη ( c \ 段(2b),· V (5a) ’延伸入或至第二端 份;縱向核心⑻,延伸貫穿第一端段㈤之至少一部 份;核心有第一端,延伸貫穿第一端段㈤之至少一部 f 和第二端(9),延伸進入承接器之部份(5a),ϋ扁 其内自由運動者。 |切U>a广並可在 2·如申請專利範圍第丨項之 ,^ :括管狀部⑻,延伸進入管狀元件之第 申請專利範圍第1或2項之桿件總成,其中核心的第 二。⑼周圍,設有套筒⑽,方便核心之第二端 3項之桿件誠,其中套筒包括㈣ ' 〔PEEK) ’或礙纖強化聚_謎_ (CFRPEEK)者。 ht·如申請專利範圍帛1項之桿件總成,其中核心第-端固 疋於第一端段(2a)者。 ^如中請專利範圍第丨項之桿件總成,其中連接於第二端 ^2b)之承接器(5)為第二承接器,而第一承接器(4 硬接於第一端段(2a)者。 ’、 7.如申請專利範圍第6項之桿件總成,其中第—承接器 12 200916047 \4)包括管狀部(4a),延伸進入管狀元件 (2a)内者。 」之弟一蠕段 8.如申請專利範圍第2項之桿件總成,盆 ⑸之管狀部⑼具錢筒形或多面形外表、承接器 匕如申請專利範圍第7或8項之桿件總 器之官狀部㈤具有圓筒形或多面形表面者。其中第—承接 10.如巾請專利範圍第丨項之桿 ⑷和/或第二承接$⑸利用 以^,器 (2,2,)者。 遷接於管狀元件 ⑷和/或第二承接器⑴,分別在其 ,表接器 二端段(2b)相反侧,具有螺紋部者。、 又a或第 12. 如申請專利範圍第η項 紋(10)或陽螺紋⑷者。干件〜成其中螺紋係陰螺 13. 如申請專利範圍第i項之桿件總 接器⑵巩⑽),把第__承接 二中^有第= 連接仏桿件總成(uu”)之第二承=&承者接器(5) •^田申清專利範圍第6項之桿件總成,其中核心⑻係 利用壓套接合,固定於第一承接器(4)者。 )係 如申請專利範圍第i項之桿件總成,其中核 形狀讀、性合金’尤其是鎳鈦諾(nitin〇1)製成者。 “ 圍第1項之桿件總成’其中管狀元件 (,)係形狀圮憶性合金,尤其是鎳鈦諾製成者。 i it圍第1項之桿件總成,其中管狀元件 ^2,2 ) 土上具有連續性或級進螺形凹部(3),以提供 者。 專利範圍第1項之桿件總成,其中承接器 ’ ^,元件(w)具有同樣最大外徑或不同最大外徑 嘗。 13 200916047 19. 一種脊椎穩定用模組式桿件系統,包括申請專利範圍 第1-18項中一項之至少一桿件總成者。 20. 如申請專利範圍第19項之模組式桿件系統,其中設有 申請專利範圍第1-18項中一項之若干桿件總成,和加以連接 之承接器者。 14
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US97919807P | 2007-10-11 | 2007-10-11 | |
EP07019940A EP2047810B1 (en) | 2007-10-11 | 2007-10-11 | Modular rod system for spinal stabilization |
Publications (2)
Publication Number | Publication Date |
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TW200916047A true TW200916047A (en) | 2009-04-16 |
TWI452994B TWI452994B (zh) | 2014-09-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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TW097138482A TWI452994B (zh) | 2007-10-11 | 2008-10-07 | 脊椎穩定用的桿件總成及模組式桿件系統 |
Country Status (7)
Country | Link |
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US (1) | US9089369B2 (zh) |
EP (2) | EP2047810B1 (zh) |
JP (1) | JP5151887B2 (zh) |
KR (1) | KR20090037314A (zh) |
CN (1) | CN101416901B (zh) |
ES (2) | ES2374577T3 (zh) |
TW (1) | TWI452994B (zh) |
Families Citing this family (80)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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2007
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- 2007-10-11 EP EP07019940A patent/EP2047810B1/en not_active Not-in-force
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- 2007-10-11 EP EP11004688A patent/EP2364656B1/en not_active Not-in-force
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- 2008-10-07 JP JP2008260609A patent/JP5151887B2/ja not_active Expired - Fee Related
- 2008-10-07 CN CN2008101689622A patent/CN101416901B/zh not_active Expired - Fee Related
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JP2009090117A (ja) | 2009-04-30 |
EP2364656A1 (en) | 2011-09-14 |
ES2417013T3 (es) | 2013-08-05 |
EP2047810B1 (en) | 2011-09-28 |
US9089369B2 (en) | 2015-07-28 |
TWI452994B (zh) | 2014-09-21 |
CN101416901A (zh) | 2009-04-29 |
ES2374577T3 (es) | 2012-02-20 |
JP5151887B2 (ja) | 2013-02-27 |
US20090163953A1 (en) | 2009-06-25 |
EP2364656B1 (en) | 2013-04-03 |
KR20090037314A (ko) | 2009-04-15 |
EP2047810A1 (en) | 2009-04-15 |
CN101416901B (zh) | 2013-06-05 |
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