TWM409817U - Improved bone fixation structure - Google Patents

Improved bone fixation structure Download PDF

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Publication number
TWM409817U
TWM409817U TW100202066U TW100202066U TWM409817U TW M409817 U TWM409817 U TW M409817U TW 100202066 U TW100202066 U TW 100202066U TW 100202066 U TW100202066 U TW 100202066U TW M409817 U TWM409817 U TW M409817U
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Taiwan
Prior art keywords
spherical
fixation structure
nail
hole
bone fixation
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TW100202066U
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Chinese (zh)
Inventor
zong-bao Yan
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Topasia Internat Technology Inc
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Priority to TW100202066U priority Critical patent/TWM409817U/en
Publication of TWM409817U publication Critical patent/TWM409817U/en

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Description

五、新型說明: 【新型所屬之技術領域】 本創作係有關-種改進的骨路固定構造 用於固定複數脊椎骨節的位置並可提供曰 的骨骼固定構造。 幻又筏力 【先前技術】 當人體脊椎骨折或脫㈣,可使科椎復位法加以 少,及脊髓的壓迫;而習知脊椎復位系 節上’右遇到打人脊椎骨節的骨釘或釣在脊椎骨 2的克魯釣不在-直線上的時候’通f的作法不外乎 的脊椎連桿彎曲,並使用夾片構件來夾持固定 j椎連#,但這種手段卻會衍生許多缺失,例如:盆 ==位的央片無法夹緊,且爽片只能單向調整 疋月釘的角度,而無法任意地調整固定在各種角度, 另f骨釘離連桿稍遠時’其對連桿彎曲部位的固定^果 不4土甚至有無法使用的問題;此外’習知脊椎復 統都只能單向或是雙向地調整骨釘的固定角度,無法達 ΐ::角度均可調整的目的’然而經由治療經驗顯示, 田舍椎復㈣統若無法將脊椎f節位置準相定,則其 =療效果將嚴重減損;再者,習知脊椎復位系統的構造 複雜,故障率高,實有改良之必要。 【新型内容】 本創作提供一種便於調整固定方位的骨絡固定機 構,其可使脊椎連桿和骨釘之間準確定位設置且穩固地 結合在一起,以有效地將欲治療的骨骼固定。心 M409817 為達成上述㈣,本創作之改進的骨路固定構造係 骨釘、螺固套帽與固定座以及一或複數連桿共同 、、且成’猎由將料料分敎固在各別脊椎骨上,並使 螺固套帽將骨釘梅接於固定座的―端,以及將連 二署日=該固疋座的另""'端,使各骨針與連桿之間準確 ς 穩固地結合在-起’據此確保各別脊椎骨間的正 確足位,並提供一適度的支撐力;其中: ,等岐座-端設有水平向套孔,並在該水平向套 ^ &徑向1^螺絲’該固定觸另—端具有垂直向 ^置的由上向下漸小的錐孔,而該錐孔下端設有内凹的 球面罩j ’在該球面罩料位的錐孔 干槽縫1以增加該内凹球面的接合穩固性, 上端6又有向上突起的球面唇緣。 該骨釘略呈螺釘狀構型,其釘頭具有向上凸設的球 面,利用該;求面恰可套接組合於該固定座㈣面罩詹 内’因此在任何角度設置都可以使二者緊密套合;而在 該球面外周緣設有第一旋紐部且自該球面向上凸設一 螺,以及第二旋鈕部,藉由第一、二旋鈕部可驅動該骨 釘旋鑽螺入骨骼中或調整骨釘的設置角度;又,該骨釘 在本體设有外螺紋,並使本體下端部呈尖錐狀且設有切 口,藉該尖錐狀下端部以及螺紋切口的設計,使該骨釘 本體容易於螺旋植入骨骼中。 該螺固套帽具有六角形的旋鈕部,並在中央部位設 有一貝穿螺孔恰可在前述骨釘上方的螺柱上螺合轉動 自如°亥螺固套帽底面設有内凹的球面,利用該内凹的 球面套接組合於該固定座的球面唇緣上,因此在任何角 M409817 度設置都可以使二者緊密套合。 該連桿可依安裝部位需求而設置為直線狀或曲線 狀的構型,在其桿體上設有—或複數旋㈣,用以施力 調整該連桿的設置角度或位置;最好,該連桿係由具有 彈性、尚強度以及耐蝕性的複合材料或是金屬材料所加 工製成,其中,該複合材料係選自於聚醚醚輞(PEEK, poly ether ether kef〇ne)或碳素纖維等,而該金屬材 料疋選自於鈦合金、组合金、不錄鋼.·等,但實施範圍 不以前述材料為限,各類適合植設在人體内使用的且有 ^好機械強度和抗化學性的合金材料或生物相容性的 尚分子聚合物材料(Biocompatible polymer)均適用。 此將於下文中加以說明本創作其他的目的,優點及 顯著的特徵,熟習本技術者熟讀文中的說明後實現本創 作。 【實施方式】 如第一、二圖所示係本創作實施例的構件組合態 樣;該骨釘1在本體設有外 12,並使本體下端^ 呈尖錐狀且設有切口 13,因此可簡易地將f釘本體植設 於欲/α療月^•中,而該JU定座2的—端串S於該骨釘】 的釘頭部位並藉該螺固套帽3鎖固,該連桿4則樞接於 該固定座2的另-端的水平向套孔21中,並由設置在 該水平向套孔上的徑向迫緊螺絲22加以鎖固定位。 請參閱第三圖所示的本創作實施例之構件組合的 剖示圖;在該骨釘1的釘頭部位具有向上凸設的球面14 以及該球面外周緣設有旋鈕部15,且自該球面向上伸設 5 M409817 一螺柱16以及旋鈕部17;而串設於該骨釘彳釘頭部位 的該固定座2具有一垂直向設置的錐孔23,該錐孔下 端設有内凹的球面罩簷24,在該球面罩簷部位的錐孔内 側周緣還設有可增進接合穩固性的槽縫25(如第四圖所 不)’另在該錐孔上端設有向上突起的球面唇緣•又 鎖固在該骨釘1釘頭部位的螺固套帽3具有六角形的旋 鈕部31並在中央部位設有一貫穿螺孔32,特別是,該 ,固套帽底面設有内凹的球面33;依實施例,利用該固 疋座的錐孔23串套在該骨釘的釘頭部位,使該錐孔下 端的内凹球面罩簷24與該骨釘的上凸設球面14套接組 _ 合,藉由凹、凸球面的套接組合可使該固定座2與該骨 釘1在任何設置角度都可以緊密地套合;再以該螺固套 帽的螺孔32螺合至該該骨釘的螺柱16上,並使該螺固 套帽底面的内凹球面33套接組合於該固定座的上凸球 ,<=緣26上,亦藉由凹、凸球面的套接組合可使該固 =座2與該螺固套帽3在任何設置角度都可以緊密地套 合,如上述說明的組合構造,在該螺固套帽3未迫緊前, 該螺固套帽3、該固定座2與該骨釘,之間係採用凹、# 凸球面的套接組合方式,因此各構件之間可作各種擺置 角度的、’且5 (如第五圖所示),亦即該骨釘打入脊椎骨節 的方向與位置可隨意地適當調整,但當該螺固套帽3迫 緊後,可使該螺固套帽3、該固定座2與該骨釘彳之間 緊雄鎖固成一體,因此整個骨骼固定構造與脊椎骨節之 間可被準確疋位且穩固地結合在一起,以達成有效的治 療目的。 可以理解的,上述骨骼固定構造的相關構件使被設 6 M409817 置在人體内使用,所以所選用的材料除了須具備所需的 機械性質之外,亦被要求具備抗化學性及生物相容性, 這些材料可選自聚醚醚酮、碳素纖維…等複合材料,或 鈦合金、鈕合金、不銹鋼…等金屬材料,但實施範圍不 以前述材料為限。V. New description: [New technical field] This is a kind of improved bone fixation structure for fixing the position of multiple vertebrae and providing a skeleton fixation structure.幻幻筏力 [Prior Art] When the human spine fractures or dissociates (four), the reduction of the spine can be reduced, and the spinal cord is compressed; while the conventional spine reduction system is on the right side of the bones of the human spine joint or When fishing in the vertebrae 2 is not in the straight line, the method of passing the f is nothing more than bending the spinal rod, and using the clip member to clamp and fix the j-connected #, but this means will derive many Missing, for example: the basin == position of the central film can not be clamped, and the film can only adjust the angle of the moon nail in one direction, but can not be adjusted arbitrarily at various angles, and the other is a little farther away from the connecting rod. The fixing of the connecting part of the connecting rod does not even have the problem of being unusable; in addition, the conventional spine multiplex can only adjust the fixed angle of the nail in one direction or two directions, and cannot reach the ΐ:: angle Adjustable purpose' However, through the experience of treatment, it is shown that if the field vertebra complex (4) is unable to determine the position of the spine f-segment, the effect of the treatment will be seriously impaired; in addition, the structure of the conventional spinal reduction system is complicated, and the failure rate High, there is a need for improvement. [New content] This creation provides a bone fixation mechanism that facilitates adjustment of a fixed orientation, which allows the spinal rod and the nail to be accurately positioned and firmly joined to effectively fix the bone to be treated. Heart M409817 In order to achieve the above (4), the improved bone fixation structure of the present invention is a bone nail, a screw cap and a fixed seat, and one or a plurality of connecting rods together, and the 'hunting is divided by the materials. On the vertebrae, and make the screw-on cap to connect the bone nail to the end of the fixed seat, and the other end of the day = the other end of the solid seat, so that between the bone needle and the connecting rod Accurately and firmly integrated in the 'from here' to ensure the correct position between the respective vertebrae, and provide a moderate support; where:, the squat-end has a horizontal sleeve hole, and in the horizontal sleeve ^ & radial 1 ^ screw 'the fixed contact end - the end has a vertical upwardly downward tapered hole, and the lower end of the tapered hole is provided with a concave spherical mask j 'in the spherical cover The tapered hole is slotted to increase the joint stability of the concave spherical surface, and the upper end 6 has a spherical lip that protrudes upward. The bone nail has a slightly screw-like configuration, and the nail head has a spherical surface that is convex upward, and the surface can be sleeved and assembled in the fixed seat (four) mask. Therefore, the setting can be made at any angle. a first knob is disposed on the outer circumference of the spherical surface and a screw is protruded from the surface of the ball, and a second knob portion is driven by the first and second knob portions to drive the bone screw into the bone Or adjusting the setting angle of the nail; further, the bone nail is provided with an external thread on the body, and the lower end portion of the body is tapered and provided with a slit, and the tapered lower end portion and the threaded slit are designed to The bone nail body is easy to be screwed into the bone. The screw cap has a hexagonal knob portion, and a hole through the hole is arranged at the center portion to be screwed on the stud above the bone nail. The bottom surface of the cap is provided with a concave spherical surface. The concave spherical sleeve is combined with the spherical lip of the fixing seat, so that the setting can be tightly fitted at any angle M409817 degree. The connecting rod can be arranged in a linear or curved configuration according to the requirements of the installation site, and is provided with a plurality of rotations (four) on the rod body for applying force to adjust the setting angle or position of the connecting rod; preferably, The connecting rod is made of a composite material having elasticity, strength and corrosion resistance or a metal material, wherein the composite material is selected from polyether ether ketone (PEEK) or carbon. Plain fiber, etc., and the metal material is selected from titanium alloy, combined gold, non-recorded steel, etc., but the scope of implementation is not limited to the above materials, and various types are suitable for planting in the human body and have good machinery. Both strength and chemical resistant alloy materials or biocompatible polymer compatible materials are suitable. This will be explained below with respect to other objects, advantages and salient features of the present invention, which are familiar to those skilled in the art after reading the description in the text. [Embodiment] As shown in the first and second figures, the component assembly aspect of the present embodiment is provided; the bone nail 1 is provided with an outer 12 on the body, and the lower end of the body is tapered and provided with a slit 13 The f nail body can be easily implanted in the body of the nail, and the end string S of the JU seat 2 is locked in the nail head portion of the nail nail by the screw cap 3, The connecting rod 4 is pivotally connected to the other horizontal end sleeve hole 21 of the fixing base 2, and is locked and fixed by a radial pressing screw 22 disposed on the horizontal sleeve hole. Please refer to the cross-sectional view of the component combination of the present embodiment shown in the third figure; the ball head portion 14 of the bone nail 1 has an upwardly convex spherical surface 14 and the outer peripheral edge of the spherical surface is provided with a knob portion 15 The ball has a 5 M409817 stud 16 and a knob portion 17 extending upwardly; and the fixing base 2 disposed at the nail head portion of the nail has a vertically disposed tapered hole 23, and the lower end of the tapered hole is provided with a concave surface. The spherical mask 檐 24 is further provided with a slit 25 (such as the fourth figure) for improving the joint stability on the inner circumference of the tapered hole of the spherical mask ' portion, and an upwardly protruding spherical lip is provided at the upper end of the tapered hole. The screw cap 3 that is locked to the nail head portion of the nail has a hexagonal knob portion 31 and a through hole 32 is provided at a central portion. In particular, the bottom surface of the sleeve cap is provided with a concave surface. The spherical surface 33; according to the embodiment, the tapered hole 23 of the solid seat is sleeved on the nail head portion of the bone nail, so that the concave spherical mask 24 at the lower end of the tapered hole and the upper convex spherical surface 14 of the bone nail The socket set _ is combined, and the fixing seat 2 and the bone nail 1 can be at any set angle by the socket combination of the concave and convex spherical surfaces. The screw hole 32 of the screw cap is screwed onto the stud 16 of the bone nail, and the concave spherical surface 33 of the bottom surface of the screw cap is sleeved and assembled to the fixing seat. The upper convex ball, <=edge 26, also by the concave and convex spherical sleeve combination, the solid seat 2 and the screw cap 3 can be tightly fitted at any set angle, as described above. The illustrated combined structure, before the screw cap 3 is not tightened, the screw cap 3, the fixing base 2 and the bone nail are sleeved and combined by a concave and a convex spherical surface, so The components can be placed at various angles of ', and 5 (as shown in the fifth figure), that is, the direction and position of the bone nail into the vertebrae can be adjusted as appropriate, but when the screw cap 3 After tightening, the screw cap 3, the fixing base 2 and the bone nail can be tightly locked together, so that the entire bone fixing structure and the spinal joint can be accurately clamped and firmly combined. Together to achieve effective therapeutic goals. It can be understood that the related components of the above-mentioned bone fixation structure are placed in the human body, so that the selected materials are required to have chemical resistance and biocompatibility in addition to the required mechanical properties. These materials may be selected from composite materials such as polyetheretherketone, carbon fiber, or the like, or metal materials such as titanium alloy, button alloy, stainless steel, etc., but the scope of implementation is not limited to the foregoing materials.

以上所舉實施例,僅用為方便說明本創作並非加以 限制,在不離本創作精神範疇,熟悉此一行業技藝人士 依本創作申請專利範圍及發明說明所作之各種簡易變 形與修飾’均仍應含括於以下申請專利範圍中。 【圖式簡單說明】 第一圖為本創作實施例之構件分離的立體圖; 第二圖為本創作實施例之構件組合的立體圖; 第二圖為本創作實施例之構件組合的剖示圖; 第四圖為本創作實施例之固定座的仰視圖;以及 第五圖為本創作實施例之構件組合的示音圖。 【主要元件符號說明】The above embodiments are used for convenience only to illustrate the present invention and are not intended to be limited. In the spirit of the creative spirit, the various simple modifications and modifications made by those skilled in the art in accordance with the scope of the patent application and the description of the invention should still be It is included in the scope of the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a perspective view of the component separation of the present embodiment; the second figure is a perspective view of the component combination of the creation embodiment; the second figure is a sectional view of the component combination of the creation embodiment; The fourth drawing is a bottom view of the fixing base of the creation embodiment; and the fifth drawing is a sound diagram of the component combination of the creation embodiment. [Main component symbol description]

外螺紋12 球面14 螺柱16 固定座2 迫緊螺絲22 球面罩簷24 球面唇緣26 旋鈕部31 球面33 骨釘1 切口 13 旋鈕部15 疑紐部17 水平向套孔21 錐孔23 槽縫25 螺固套帽3 貫穿螺孔32 連桿4 7External thread 12 Spherical 14 Stud 16 Fixing seat 2 Tightening screw 22 Spherical cover 檐 24 Spherical lip 26 Knob part 31 Spherical 33 Bone nail 1 Notch 13 Knob part 15 Suspicious button 17 Horizontal sleeve hole 21 Cone hole 23 Slot 25 screw cap 3 through screw hole 32 connecting rod 4 7

Claims (1)

M409817 六、申請專利範圍: 1、一種改進的骨骼固定構造,包含: 複數口疋座,其一端設有水平向套孔,並在該水平 向套孔設有一徑向迫緊螺絲,另一端設有垂直向的 錐孔,而該錐孔下端設有内凹的球面罩簷,以及在 該錐孔上端設有上凸的球面唇緣; 複數月釘,其釘頭上設有球面,且在球形面外周緣 攻有第一旋鈕部,另自該球面向上凸設一螺柱以及 第一旋鈕部,而在該骨釘的本體設有外螺紋,並於鲁 其下端部呈尖錐狀且設有切口; 複數螺固套帽,其具有旋紐部,並在中央部位設有 一貫穿螺孔,而該套帽底面設有内凹的球面;以及 一或複數連桿,係為直線狀或曲線狀的構型,且在 其桿體上設有一或複數旋鈕部;藉由將該等骨釘分 別釘固在各別脊椎骨上,並使該等螺固套帽將骨釘 拖接於固定座的一端’以及將連桿串接於該固定座 的另-端’據此以保持各別脊椎骨間的定位,並提鲁 供適度的支撐力。 2、依申請專利範圍第]項所述之改進的骨㈣定構造, 其中,還包含在該球面罩簷部位的錐孔内側周緣設 有若干槽縫。 3依申明專利範圍第1項所述之改進的骨骼固定構造, 其中,該連桿係由具有彈性、高強度以及耐飯性的複 合材料或是金屬材料所加工製成。 8 M409817 4、 依申請專利範圍第3項所述之改進的骨骼固定構造, 其中’該複合材料係選自於聚醚醚酮(PEEK)或碳素 纖維之一。 5、 依申請專利範圍第3項所述之改進的骨骼固定構造’ 其中,該金屬材料是選自於鈦合金、钽合金、不銹鋼 ~ 〇M409817 VI. Scope of Application: 1. An improved bone fixation structure, comprising: a plurality of mouthpieces, one of which is provided with a horizontal sleeve hole at one end, and a radial compression screw is provided at the horizontal sleeve hole, and the other end is provided a vertical tapered hole having a concave spherical mask 下 at the lower end and a convex spherical lip at the upper end of the tapered hole; a plurality of moon nails having a spherical surface on the nail head and being spherical The outer peripheral edge has a first knob portion, and a stud and a first knob portion are protruded from the surface of the ball, and the main body of the nail is provided with an external thread, and the lower end portion of the lug is tapered. a slit; a plurality of screw caps having a knob and having a through hole at a central portion, wherein the bottom surface of the cap is provided with a concave spherical surface; and one or a plurality of links are linear or curved a configuration having one or a plurality of knob portions on the shaft; respectively, by nailing the bone nails to the respective vertebrae, and causing the screw caps to drag the bone nails to the fixed seat One end' and another connecting the connecting rod to the fixed seat - End" to maintain the positioning of the respective vertebrae, and provide a moderate support. 2. The improved bone (four) configuration according to the scope of the patent application, wherein the inner circumference of the tapered hole of the spherical mask portion is provided with a plurality of slits. 3. The improved bone fixation structure of claim 1, wherein the linkage is made of a composite material having elasticity, high strength, and resistance to rice or a metal material. 8 M409817 4. The improved bone fixation structure of claim 3, wherein the composite material is selected from the group consisting of polyetheretherketone (PEEK) or carbon fiber. 5. The improved bone fixation structure according to claim 3 of the patent application scope wherein the metal material is selected from the group consisting of titanium alloy, tantalum alloy, stainless steel ~ 〇
TW100202066U 2011-01-28 2011-01-28 Improved bone fixation structure TWM409817U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI559892B (en) * 2011-12-20 2016-12-01 Synthes Gmbh
US11596450B2 (en) 2020-12-07 2023-03-07 Industrial Technology Research Institute Low-profile offset-type spinal fusion device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI559892B (en) * 2011-12-20 2016-12-01 Synthes Gmbh
US11596450B2 (en) 2020-12-07 2023-03-07 Industrial Technology Research Institute Low-profile offset-type spinal fusion device

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