TWI441614B - 骨骼固定裝置 - Google Patents
骨骼固定裝置 Download PDFInfo
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- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
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- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
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- 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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- 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
- A61B17/7034—Screws or hooks with U-shaped head or back through which longitudinal rods pass characterised by a lateral opening
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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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Description
本發明係關於骨骼固定裝置,包括骨骼固定元件,和連接於桿之容納件。骨骼固定元件之頭部利用鎖環,被桿壓下,壓縮側向包圍頭部的容納件一部份而鎖定。夾持頭部的容納件部份,設計成使鎖環可從該部份的自由端安裝。骨骼固定裝置可實施成例如分別呈多軸式骨骼螺釘,容許頭部樞動,或呈單軸式骨骼螺釘,容許頭部在未鎖定狀態繞單軸線轉動。
已知有各種多軸式骨骼螺釘,其中各種設計有其特殊的特性,且使用不同的鎖定原理。
DE 43 05 576 C1號記載一種多軸式骨骼螺釘,具有螺釘元件和容納件,以及加壓元件,作用於螺釘元件之頭部,加以壓下抵住容納件內之底座,以便鎖定頭部之轉動位置。骨骼螺釘往往預先組合,使螺釘元件可藉安裝在螺釘元件上之容納件旋入骨骼內。
已知其他骨骼螺釘,其中頭部是從側面夾持,鎖定轉動位置。EP 0 242 708 A2號記載一種骨骼螺釘,有容納件,包含二球形半體,從二側面壓到球形頭部。半體在下部用環保持在一起。
US 5,672,179號揭示一種骨骼螺釘,包含有錐形底座之容納件,和錐形壓力元件,從上面和側面對頭部施壓。若錐體角度在特定範圍內,會發生壓力元件自行鎖定在容納件內,得以把頭部預先鎖定在容納件內,而桿仍能活動自如,容許調節其位置。
EP 0 951 245 B1號記載一種骨骼螺釘,包含錐形凹腔,容納頭部,其中在凹腔內設有彈簧夾頭,可向下和徑向壓縮,以夾持頭部。以此骨骼螺釘,可將容納件扣合於螺釘元
件的頭部,得以把螺釘元件旋入骨骼內,然後連接到容納件。
US 5,728,098號揭示一種骨骼螺釘,供連接到脊椎桿,包括螺釘元件和容納構件,在桿容納溝道底部具有開縫,又其中設有形狀記憶性金屬製之二鎖環,一在容納構件下側,一在上側。溫度上升時,鎖環在容納構件之部份周圍收縮,桿即被夾持在溝道內。
US 5,549,608號揭示一種多軸式骨骼螺釘,包含有球形頭部之螺釘元件,以及把螺釘元件聯結於脊椎桿用之聯結元件。聯結元件具有斜縮下部,包含有長孔的內室,球形頭部起初多軸向設置於此。聯結元件又包括凹部,容納頭部。此外,設有鎖環,包圍聯結元件之下部,以及圓柱桿保固套筒,套在聯結元件外。使用鎖定螺母,對桿保固套筒施壓。頭部利用鎖環,以桿保固套筒壓下,而鎖定於內室。US 5,575,792號揭示類似裝置,使用鉤代替骨骼螺釘。與上述骨骼螺釘相反的是,省略桿保固套筒,桿直接壓住鎖環。鎖環必須從上方置放到聯結元件上。在桿插入時,不保證防止向上端逃,而是阻止轉動。此外,此已知骨骼固定裝置之尺寸大到像鎖環,而鎖定螺母從聯結元件直徑實質上向外延伸。
本發明之目的,在於提供一種改進骨骼固定裝置,包括最少數零件,尺寸小,同時具有安全鎖定,可用做模組系統。
此目的係以申請專利範圍第1項之骨骼固定裝置解決。進一步發展則列於申請專利範圍附屬項。
本發明骨骼固定裝置包括只有少數元件,降低製造成本,方便處置。使用原理是從側面沿周夾持骨骼固定元件的頭部,減少安全夾持頭部必要之力道。骨骼固定裝置之設計,得以進一步減少高度和直徑維度,特別適用於需要小尺
寸固定裝置處,諸如頭椎手術或小兒科、腫瘤和最小開放應用骨骼手術。
容納件可在手術之前和之際,隨時扣住骨骼固定元件頭部。所以,可例如先把骨骼固定元件固定於骨骼,然後連接到容納件和桿。
選擇容納件和鎖環錐形下部適當角度,即可達成頭部自行鎖定於下部。另外,可藉鎖環和容納件之連接表面粗糙化達成。此舉可次要調節桿,而不會鬆弛頭部之固定。
本發明其他特點和優點,由參照附圖所示具體例之說明,即可明瞭。
如第1-5圖所示,第一具體例骨骼固定裝置包括骨骼固定元件1,呈骨骼螺釘形式,有螺紋軸部2和球體截面形頭部3。頭部3有凹部4,供旋入工具結合。骨骼固定裝置又包括容納件5,可容納桿6加以連接到骨骼固定元件1。再者,設有封閉元件7,呈內螺釘或固定螺釘形式,把桿6固定在容納件5內。此外,骨骼固定裝置包括鎖環8,把頭部鎖定於容納件5內。
特別由第6-10圖可見,容納件5包括第一部份9,呈實質上圓筒形,有第一端9a,和對立之第二端9b。第一部份9有共軸第一腔孔10,設在第二端9b。第一腔孔10的直徑比骨骼固定元件的頭部3直徑小。第一部份9亦包括共軸第二腔孔11,從第一端9a延伸至距第二端9b一段距離。第二腔孔11的直徑比第一腔孔10大,也比桿6的直徑大。第一部份設有U形凹部12,從第一端9a延伸至第二端9b,U形凹部的直徑比桿6的直徑稍大,使桿6可置入凹部內,在其內導引。利用U形凹部12形成二自由股部12a,12b,具有陰螺紋13。陰螺紋可為公制螺紋、平面螺紋、負角度螺紋、鋸齒螺紋,或任何其他螺紋。最好使用平面螺紋或負角度螺紋等
螺紋形式,在旋入內螺釘7時,防止股部12a,12b撐開。U形凹部的深度,使桿6和內螺釘7可插入股部之間。在凹部12底和股部12a,12b之間,設有平坦段14,形成腔孔11末端。
容納件5之第一部份9又包括複數共軸開縫15,從第二端9b延伸至距第一端一段距離,該距離相當於大約陰螺紋13長度。開縫15在第二端9b開口,由第6、9、10圖可見延伸貫穿U形凹部12的平坦段14,在U形凹部各側,設有至少一開縫15,最好是一個開縫以上。按照開縫應提供之彈性程度,選用開縫數量。可視材料和壁厚和/或其他因數而定。
容納件5在鄰接第二端9b,包括第二部份16,提供骨骼固定元件1頭部3之容納空間。第二部份16有錐形外表面,含錐體角度α,朝第二端9b斜縮,具有自由端17,與第二端9b對立。詳見第4圖,第一部份9在第二端9b之外徑,比第二部份16鄰近第二端9b之外徑大,也比第二部份在其自由端17的外徑大。因此,第二部份16相對於第一部份17凹下。第二部份16有內部空心的球形段18,形成骨骼固定元件1的球體截面形頭部3之底座。空心球形段18的維度,可從涵蓋含有頭部3最大直徑的區域之側面,包圍骨骼固定元件之頭部3。由第1、6、9、10圖可見,在凹部12所形成溝道任一端的第一部份內,設有切口24。
詳見第6-10圖,設有複數開縫19,在自由端17開口,從自由端17延伸至第一部份之第二端9b,在第一部份的開縫15內繼續,因而形成連續性開縫,從第二部份的自由端17延伸入第一部份內。開縫19數目可等於開縫15數目,惟可以較少或較多,視第二部份16所需彈性而定。此外,在第二部份16側面設有開縫20,鄰近第一部份的U形凹部12。開縫20到離第二端9b一段距離為止。第二部份16的彈性,
使固定元件的頭部3可藉擴大第二部份而插入,並可藉壓縮第二部份而夾持。第一部份內的開縫15,方便例如在手術之前或之際的任何時間,把容納件手動安裝在頭部3上。
茲參見第1、4、5圖說明鎖環8。鎖環8有實質上圓筒形外表面,其外徑相當於容納件5第一部份9之外徑。鎖環8在軸向之高度,比容納件5的第二部份16為小,參見第4圖,故當鎖環8在夾持頭部3之位置時,鎖環8和容納件5第二端9b之間有距離。
第二部份16的彈性,和第二部份在自由端17的尺寸,容許安裝鎖環,是從自由端17套到第二部份16上。由於第二部份的外徑比第一部份9小,鎖環不會在徑向突出超過第一部份。
鎖環8在其內側有第一段8a和相鄰的第二段8b。第一段8a呈錐形,與容納件5第二部份的錐形外壁相當。第二段8b呈圓筒形。詳見第4圖,鎖環第一段8a和第二段8b的維度,使鎖環8可沿第二部份16的外表面滑動,向下滑動時,對第二部份16的壓縮遞增。若桿尚未插入或未施壓入凹部12,鎖環即可在第一位置(受做為止動部的第二端9b限制)和第二部份的自由端17(防止由錐形而脫逸)之間運動。
若選用錐體角度α在大約2∘和10∘之間,則鎖環和第二部份之間可達成自行鎖定,意即一旦夾持頭部3,需要額外力道才能鬆開鎖環。若錐體角度α大於10∘,並無自行鎖定效果存在。當然,可達成自行鎖定效果的角度,視所用材料和彼此結合的表面處理而定。
詳見第1、2、5圖,鎖環8在朝向第二端9b的側面又包括二凸部21,位在彼此徑向對立處。凸部21高度突出U形凹部12底以上,當鎖環在頭部3尚未夾持之位置時,可延伸入切口24內。凸部21的自由端22彎曲,曲率與桿6相當。鎖環配置成在容納件5的第二部份16周圍,凸部21位於U
形凹部12的位置。桿未插入時,突入U形凹部12的凸部21,藉此防止鎖環轉動。
內螺釘7有螺紋,與股部上所設陰螺紋13嚙合。如果使用防止股部撐開的螺紋形式,單一封閉元件(諸如內螺釘7)已足夠。此舉減少骨骼固定裝置在徑向的尺寸。
容納件、鎖環、內螺釘、骨骼固定元件,都是生理相容性材料製成,例如鈦或不銹鋼,或具有充分強度的生理相容性塑膠材料。
骨骼固定裝置可與鎖環預組合,後者從自由端17安裝在容納件5的第二部份16。另外,骨骼固定元件1可與容納件5和鎖環8預組合。
骨骼固定裝置可以多種方式使用。骨骼固定元件之一使用方式,是將容納件和鎖環預組合。把骨骼固定元件以安裝於固定元件之容納件旋入骨骼內。頭部的凹部4可藉旋入工具經第一腔孔10進入。鎖環8在靠近其在第二端9b之第一位置,在此不會夾持頭部3。在此狀態,頭部3樞動保持在第二部份16,容許容納件5對準容納桿。一旦桿達到相對於其他骨骼固定裝置的正確位置,即把內螺釘7旋入股部中間,直到壓住桿。桿壓緊U形凹部底,因而分別結合凸部21之自由端22,把鎖環8向下移動。
當鎖環8朝向第二部份的自由端17運動,即壓到第二部份16,因而夾持頭部3。由於鎖環施力道是從側面作用,使頭部安全不動所必要之力,即比力道從頭部3頂上作用之情況為小。此舉亦可縮小裝置尺寸,使容納件的壁厚減薄。
最後,旋緊內螺釘,同時鎖定桿和頭部。
另一使用方式,只把容納件5和鎖環8預組合。先把骨骼固定元件3旋入骨骼,再把容納件扣上頭部,此時容納件8在其靠近第二端9b之第一位置,不會壓到第二部份16。另外,骨骼固定元件1和容納件及及預組合鎖環,由外科醫師
把容納件扣上頭部3組合之。如此使外科醫師可就固定段之直徑和長度,選用適當骨骼固定元件。
又一方式是頭部可獨立於桿鎖定,如上述,鎖環和第二部份之合作表面設計成可預先固定。
第11-13圖表示骨骼固定裝置之第二具體例。與第一具體例一致的部份和元件,按第一具體例說明中之同樣參照數字標示。其說明即略而不贅。
第二具體例與第一具體例不同點只在骨骼固定元件,以及容納件第二部份16之容納空間。骨骼固定元件1'有螺紋軸部2和圓筒形頭部30。詳見第12和13圖,容納件5第二部份16的容納空間,具有空心圓筒形內空間181,其直徑比圓筒形頭部30直徑稍大,使在未鎖定狀態時,圓筒形頭部30可插入在圓筒形段181內導引。圓筒形段末端形成頭部30之止動件182。第二具體例骨骼固定裝置的使用,與第一具體例相似。不同在於容納件5不能相對於骨骼固定元件1'樞動,但可在頭部30未夾持狀態中轉動。容納件5和骨骼固定元件1'間之單軸式轉動連接,可用於某些解剖情形。只要繞螺釘軸線轉動,即可將容納件與桿對準。
第14和15圖表示骨骼固定裝置之第三具體例。與第一具體例一致之部份和元件,按前述具體例說明中同樣的參照數字標示,不再詳述。第三具體例之容納件5包括第二部份16之傾斜自由邊緣17'。詳見第14圖,傾斜自由邊緣17'界定之平面,與容納件第一部份的第一端9a所界定平面呈一角度。所以,容納頭部3的空心球形段18'之一側比另一側短。
如第15圖所示,此舉造成對一側之樞動角度,比對相反側為大。因此,提供多軸式螺釘,有不對稱樞動角度範圍,傾斜自由端17'由裁切即可容易製作。
第16和17圖表示鎖環之修飾例。容納件5與前述容納件之一相同,其說明從略。鎖環8'在各凸部21之任一側有側
向凸部23,以致凸部21的直徑比在凹部12基礎之切口24直徑大。鎖環8'安裝時,因容納件5之彈性,凸部23套入凹部12內。凸部23形成保固機構,在頭部3尚未插入時,可防止鎖環8'脫落。當外科醫師在容納件5扣上螺釘之前處理零件時,此舉很有用。
第18圖表示又一具體例,與前述具體例不同,鎖環80無凸部21。由第18圖可見,鎖環80的高度較大,而U形凹部12延伸入容納件內較深,使桿6可直接壓住鎖環80。
第19圖表示又一具體例,與第1圖之具體例不同在於鎖環800之設計。容納件5與前述容納件之一相同,故其說明從略。鎖環800有下件801,其設計像例如第11-13圖之鎖環8,含二凸部21,相差180∘。此外,鎖環800包括環形邊緣802,其內徑比容納件5第一部份9之外徑大。環形邊緣802的高度可和凸部21高度相同。惟環形邊緣802高度可超過凸部21。環形邊緣802的厚度薄,故容納件5之總直徑實質上不增加。
由第19圖可見,環形邊緣802的高度是,當鎖環800在最下方位置時,夾持螺釘1的頭部,環形邊緣802即關閉鎖環主部801和容納件第一部份9下側間之間隙。所以,成長中組織或血管無進入此處之虞。
上述具體例可進一步修飾。例如,骨骼固定元件之頭部可有任何其他形狀,例如錐形,而容納件第二部份16內之容納空間,適應此形狀。在進一步修飾中,容納件5或至少第二部份16係由生理相容性塑膠材料製成,具有某種程度之彈性。在此情況下,開縫可省略。與桿結合的鎖環凸部,可有另一形狀。例如,自由端的表面可呈平坦或其他形狀。選用錐體角度以達成鎖環和第二部份間之自行鎖定,可改為在接觸表面具備表面結構,例如肋調或粗糙表面,達成頭部之預先鎖定,而桿仍能活動。
1,1'‧‧‧骨骼固定元件
2‧‧‧螺紋軸部
3,3'‧‧‧頭部
4‧‧‧凹部
5‧‧‧容納件
6‧‧‧桿
7‧‧‧封閉元件
8,8',80,800‧‧‧鎖環
8a‧‧‧鎖環第一段
8b‧‧‧鎖環第二段
9‧‧‧容納件第一部份
9a‧‧‧容納件第一部份第一端
9b‧‧‧容納件第一部份第二端
10‧‧‧第一腔孔
11‧‧‧第二腔孔
12‧‧‧U形凹部
12a,12b‧‧‧股部
13‧‧‧陰螺紋
14‧‧‧平坦段
15,19,20‧‧‧開縫
16‧‧‧容納件第二部份
17‧‧‧自由端
17'‧‧‧傾斜自由邊緣
18,18'‧‧‧空心球形段
21,23‧‧‧凸部
22‧‧‧凸部自由端
30‧‧‧圓筒形頭部
24‧‧‧切口
181‧‧‧圓筒形部
182‧‧‧止動件
801‧‧‧鎖環下件
802‧‧‧環形邊緣
第1圖為骨骼固定裝置第一具體例之透視分解圖;第2圖為第1圖骨骼固定裝置組合狀態之透視圖;第3圖為第2圖骨骼固定裝置側視圖;第4圖為第1至3圖骨骼固定裝置垂直於桿軸線的斷面之部份斷面圖;第5圖為第1至3圖骨骼固定裝置取自含桿軸線的平面之部份斷面圖;第6圖為第一具體例骨骼固定裝置容納件之透視圖;第7圖為第6圖容納件之側視圖;第8圖為第7圖容納件轉動90∘之側視圖;第9圖為第6圖容納件之俯視圖;第10圖為第6圖容納件之仰視圖;第11圖為第二具體例骨骼固定裝置之透視分解圖;第12圖為第11圖骨骼固定裝置在組合狀態垂直於桿軸線的斷面之部份斷面圖;第13圖為第12圖骨骼固定裝置取自含桿軸線的平面之部份斷面圖;第14圖為第三具體例骨骼固定裝置容納件之斷面圖;第15圖為第三具體例骨骼固定裝置之斷面圖;第16圖為前述具體例有鎖環的容納件之修飾例;第17圖為第16圖之放大部份;第18圖為骨骼固定裝置之又一修飾例;第19圖為又一修飾例之部份斷面圖;第20圖為第19圖具體例鎖環之俯視透視圖;第21圖為第20圖鎖環沿A-A線之斷面圖。
1‧‧‧骨骼固定元件
2‧‧‧螺紋軸部
3‧‧‧頭部
5‧‧‧容納件
6‧‧‧桿
7‧‧‧封閉元件
8‧‧‧鎖環
9‧‧‧容納件第一部份
12‧‧‧U形凹部
13‧‧‧陰螺紋
15‧‧‧開縫
16‧‧‧容納件第二部份
21‧‧‧凸部
22‧‧‧凸部自由端
Claims (16)
- 一種骨骼固定裝置,包括:一骨骼固定元件(1,1'),有固定於骨骼用之一軸部(2),和一頭部(3,3');一容納件(5),把一桿(6)聯結於該骨骼固定元件,其中該容納件包括:一第一部份(9),有一第一端(9a)和一第二端(9b),以及該容納桿用之一U形凹部(12),該凹部(12)具有一底部,從該第一端(9a)按該第二端(9b)的方向延伸,因而形成二自由股部(12a,12b);和一第二部份(16),在該第二端(9b)與該第一端對立側,供容納該頭部(3,3'),該第二部份有一自由端(17),呈可撓性,得以引進和夾持該頭部;一鎖環(8),包圍該第二部份(16);其中該頭部(3,3')以該桿對該鎖環(8)施壓加以鎖定,以致壓縮該容納件的該第二部份,又其中該鎖環(8)係從該第二部份(16)的該自由端(17)安裝於該容納件;其特徵為:該U形凹部(12)包括一切口(24)在該底部任一端,而該鎖環(8)包括二凸部,彼此位在徑向對立,高度可凸出於該U形凹部的該底部以上,當該鎖環在該頭部(3,3')尚未鎖定之位置時,即分別延伸入該切口(24)內者。
- 如申請專利範圍第1項之骨骼固定裝置,其中該容納件(5)之該第二部份(16)鄰近該第二端之直徑,比該第一部份(9)在該第二端(9b)之直徑為小者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中該鎖環(8)可沿該第二部份,可在該第一部份(9)的該第二端(9b)所限制的該第一位置,和該第二部份(16)的該自由端(17)在該頭部不被夾持時所限制的該第二位置之間運動者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中該鎖環(8)的外徑小於或等於該第一部份(9)之外徑者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中該容納件之該第二部份(16)具有一錐形外表面,朝該第二端(9b)斜縮者。
- 如申請專利範圍第5項之骨骼固定裝置,其中該鎖環有一段(8a)具有一錐形斜縮內表面,相當於該第二部份(16)之該錐形外表面者。
- 如申請專利範圍第6項之骨骼固定裝置,其中選擇該錐體角度(α),提供該鎖環(8)和該第二部份(16)間之自行鎖定者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中該第二部份(16)包括複數開縫(19,20),向該自由端(17)開口者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中該第一部份(9)包括複數開縫(15),從該第一端(9a)的一段距離延伸至該第二端(9b)者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中該頭部(3)呈球體截面形,而該第二部份包括一內表面,有相對應球形部(18),容許該頭部(3)樞動者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中該頭部(3')呈圓筒形,而該第二部份包括一內表面,有相對應圓筒形部(181),以限制該頭部(3')運動為繞一單一軸線轉動者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中設有一封閉元件(7),把該桿保固於該凹部內者。
- 如申請專利範圍第12項之骨骼固定裝置,其中該封閉元件(7),係一固定螺釘者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中該 第二部份(16)之該自由端(17)與該第一端(9a)包含一角度者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中該鎖環具有一結構(23),當該頭部(3)尚未插入該第二部份(16)內時,可防止經該自由端(17)脫出者。
- 如申請專利範圍第1或2項之骨骼固定裝置,其中該鎖環具有一環形邊緣,沿和該凸部同樣方向延伸,其高度之尺寸為,當該頭部被該鎖環夾持時,該邊緣可包圍該容納件的該第一部份之一部份者。
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ES2403194T3 (es) | 2008-11-28 | 2013-05-16 | Biedermann Technologies Gmbh & Co. Kg | Componente receptor para recibir una varilla para su acoplamiento con un elemento de anclaje de huesos y un sistema de anclaje de huesos con este componente receptor |
EP2201902B1 (en) | 2008-12-23 | 2011-10-19 | Biedermann Motech GmbH | Receiving part for receiving a rod for coupling the rod to a bone anchoring element and a bone anchoring device with such a receiving part |
EP2526881B1 (en) | 2008-12-29 | 2020-11-25 | Biedermann Technologies GmbH & Co. KG | Receiving part for receiving a rod for coupling the rod to a bone anchoring element and bone anchoring device with such a receiving part |
EP2204129B1 (en) | 2008-12-30 | 2011-11-30 | Biedermann Motech GmbH | Receiving part for receiving a rod for coupling the rod to a bone anchoring element and a bone anchoring device with such a receiving part |
EP2384709B1 (en) | 2010-05-05 | 2012-09-05 | Biedermann Technologies GmbH & Co. KG | Receiving part for receiving a rod for coupling the rod to a bone anchoring element, bone anchoring device, method and tool for assembling the same |
ES2534940T3 (es) | 2010-12-10 | 2015-04-30 | Biedermann Technologies Gmbh & Co. Kg | Pieza receptora para recibir una varilla con el fin de acoplarla a un elemento de anclaje de hueso, y elemento de anclaje de hueso con una pieza receptora de este tipo |
EP2462886B1 (en) | 2010-12-10 | 2014-03-19 | Biedermann Technologies GmbH & Co. KG | Receiving part for receiving a rod for coupling the rod to a bone anchoring element and a bone anchoring device |
ES2534968T3 (es) | 2010-12-10 | 2015-04-30 | Biedermann Technologies Gmbh & Co. Kg | Dispositivo de anclaje de huesos |
EP2468197B1 (en) | 2010-12-23 | 2012-11-21 | Biedermann Technologies GmbH & Co. KG | Stabilization device for stabilizing vertebrae or bone parts |
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2007
- 2007-07-31 EP EP07015041A patent/EP2022423B1/en active Active
- 2007-07-31 ES ES07015041T patent/ES2348814T3/es active Active
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- 2008-07-28 CN CN2008101311178A patent/CN101357073B/zh active Active
- 2008-07-29 TW TW097128542A patent/TWI441614B/zh not_active IP Right Cessation
- 2008-07-31 EP EP08013775A patent/EP2022424B1/en active Active
- 2008-07-31 ES ES08013775T patent/ES2358955T3/es active Active
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- 2008-07-31 EP EP10195927.8A patent/EP2301457B1/en active Active
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Also Published As
Publication number | Publication date |
---|---|
EP2022424B1 (en) | 2010-12-29 |
US20150209085A1 (en) | 2015-07-30 |
KR20090013065A (ko) | 2009-02-04 |
CN101357073B (zh) | 2012-02-29 |
ES2424338T3 (es) | 2013-10-01 |
US20090036934A1 (en) | 2009-02-05 |
US8940024B2 (en) | 2015-01-27 |
JP5415722B2 (ja) | 2014-02-12 |
EP2311396A1 (en) | 2011-04-20 |
ES2348814T3 (es) | 2010-12-15 |
KR101496311B1 (ko) | 2015-02-26 |
US20120283789A1 (en) | 2012-11-08 |
EP2022423A1 (en) | 2009-02-11 |
US8192470B2 (en) | 2012-06-05 |
DE602008004191D1 (de) | 2011-02-10 |
DE602007007758D1 (de) | 2010-08-26 |
JP2009056292A (ja) | 2009-03-19 |
US9289246B2 (en) | 2016-03-22 |
EP2301457A1 (en) | 2011-03-30 |
EP2022424A1 (en) | 2009-02-11 |
EP2301457B1 (en) | 2014-10-22 |
EP2022423B1 (en) | 2010-07-14 |
JP2014079628A (ja) | 2014-05-08 |
ES2527215T3 (es) | 2015-01-21 |
ES2358955T3 (es) | 2011-05-17 |
CN101357073A (zh) | 2009-02-04 |
TW200904378A (en) | 2009-02-01 |
EP2311396B1 (en) | 2013-06-05 |
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