1262788 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種椎間填充物，特別是—種雜 之椎體終板與椎體終板間的椎間填充物。 、趾 【先前技術】 ㈣、ίΐ錄ΓΪ體終板間之椎_是—辩目當符合機械原理的 以核:是由飽 則是土多層錯綜排列的纖維環所構成，強韌的結構持:： 的穩定性，所以制奴人體天齡椎所 雙的壓力，敎雜絲。 “财椎所承 ^體常隨運錄或是用力不當、長_姿勢不正確、懷孕中 後减迫、腰背部受重力撞擊㈣素，造成椎間盤突出，程 ^者會造成纖維環膨大但_完整，臨床上縣椎間盤突出^ 椎核溢出，壓迫到脊椎神經，臨床 ，ί=ίΞ ;出，其中’尤以年長者之椎間盤更容易退 以成功此不正吊，需以手術將椎間盤取出，並裝設一人造椎 =盤’由上段的敘述可知椎間盤在人體脊椎中所扮演的角色極為 ίί 符合人體之舒適感且亦可達到椎間盤原 配合圖式，敘述如下：下即針對習知之人造椎間盤， 人、土:二=祕2圖」’係為習知人造椎間盤之外觀圖及習知 人仏椎f盤r又於椎體之示意圖，其包括有-主體10，此主體10 1QQ ;係於人體脊椎的椎體終板n(end plate) 形狀之凹槽110，將主體10置入於凹槽 m内卡手口疋’亚利用複數條溝槽100容置新生骨使之更具固定 之效果’但此人造椎間盤需於人體脊椎的椎體終板U開設凹槽 110 H __度’更重要的是此人造椎間盤係以金屬^ 1262788 . 成，於人體活動時·會使·椎體終板π與其相互磨擦，造成不舒適 感及椎體終板11的磨損。 為了改善人體之舒適度，在美國專利第6, 022, 376號，美國 專利第5, 824, 093號以及美國專利第5, 674, 295號等已公開的專 利技術中則揭露了 一種由親水性聚合體（水膠Hydroge丨）所製成之 主體12(请參閱「第3、4圖」，係為另一習知人造椎間盤之外觀圖 及另一習知人造椎間盤裝設於椎體之示意圖），且外圍包覆有強^ 聚乙烯（polyethylene)所製成之網體13，且於網體13之二端設有 複數個卡掣件14,係於人體脊椎的椎體終板15開設複數個符=前 述卡掣件14之孔洞（圖中未示），利用複數個卡掣件14卡掣^ 於椎體終板15之孔洞（圖中未示），而形成一人造椎間盤；由於這 種人造椎間盤似水膠所製成，所以裝於人體脊椎的椎體終板B 之間’可因其良好的雜分擔並減少脊椎所承受的應力分佈 人體感到更舒適，但因其軟性材質的設計，上述的卡掣件14難以 提供效果，容易造成這種人造椎間盤的外露與位ί。 辦恭^日f之主要目的，在於提供—種舒適且能穩固的設置於人 體脊椎的椎體終板與椎體終板間之椎間填充物。 、 根據本發__之椎職充物，其包括有： 支撐肢被女裝於椎體終板與椎體終板之間； 一J衝層丄包覆著前述的支撐體； 呈有全’分別設置於支撐體軸向的兩额置，定位栓 固1其:Ϊ路於緩衝層，並且可以嵌入椎體終板的表面，用以 體、物？含有三個部份 ’分別是：支撐 形成-人椎間般全甘可適用於椎體終板與椎體終板之間，使其 此在人體活動時二】、：的緩衝層是以具有彈性的材料製成，因 則是-種相有舒適感且不具方向之限制，其令支樓體 于於'、讀層而言略硬的部份，用以承受脊椎的慶力並 1262788 且提供足夠的支撐力，再利用定位栓的尖端刺入相鄰之椎體終板 的表面’而使這種椎間填充物可以固定於兩個相鄰的椎體終板之 • 間，而不會發生位移的情形。 有關本發明之較佳實施例與技術内容，茲配合圖式說明如下. 【實施方式】 ° ° · 本發明透過精簡的構造設計，讓各元件組設完成並且固設於 人體脊椎的椎體終板與椎體終板之間，而形成一種人造椎間=，' 不僅能穩固的設置於人體且讓人體覺得舒適，以下即針對本發明 - 之構造，配合圖式及詳盡的說明，敘述如後。 请參閱「第5、6圖」，係為本發明之外觀圖、剖面圖，如圖所 • 示，本發明之椎間填充物，係用以裝設於人體之任二個相鄰的椎 體終板30a與椎體終板30b之間，於手術時，只需利用器具將椎 體終板30a與椎體終板30b撐開，並將本發明之椎間填充物，以 為具在椎間填充物的上下略微壓擠後置入椎體終板加a與椎體終 板30b之間，然後將撐開椎體終板30a與椎體終板3此的器具移 開，此時椎體終板30a與椎體終板30b就會向椎間填充物靠/緊， 同枯，疋位栓22a、22b的尖端就會刺入椎體終板3〇a與椎體終板 30b的表面，即可完成固定；而另一種較佳的可行實施方案，亦可 事先於椎體終板30a與椎體終板30b的表面開設有至少一孔洞 • 30此、30此（見「第8圖」）以置入椎間填充物之定位栓228、221)， 更可於椎體終板30a與椎體終板30b之側邊開設溝槽，以讓椎間 填充物之定位栓22a、22b能順著溝槽將整個椎間填充物置入其 中；換言之，手術時，有許多可以實現的置入方法，但是並非本 兔明所論究之技術，故在此不加以限定及贅述。 依據本發明所揭示之椎間填充物的較佳實施例，其構造包括 有： 、 一緩衝層21，係設置於任二個相鄰的椎體終板3〇a與椎體終 板j〇b之間，用以在任二相鄰的椎體終板3〇&、3肋之間提供一緩 衝政果，此緩衝層21的較佳實施方式係以軟質塑膠材質或水膠製 1262788 成，因其軟性材質且兼具彈性之特性，·可於人體活動時，沒有方 向的限定，並可避免造成人體不適，嚴重甚至發生磨損或斷裂等 情事，而較佳的實施例，更在此緩衝層21之兩側表面，形成一種 朝向支撐體20之軸心L(見「第8圖」，同脊椎方向）方向凹入的輪 靡，用以形成一緩衝區間210，因其凹入的輪廓設計，當任二個相 鄰之椎體終板30a、椎體終板30b因為脊椎之壓力而相互壓迫時， 不會產生缓衝層21向脊椎外側凸出的問題。再者，此緩衝層μ 的厚度，可隨所裝設椎體終板3〇a、30b之部位，設計不同的θ厚度 以符合人體之最舒適感及椎體終板3〇a、3〇5之彎曲角度； 又1262788 IX. Description of the Invention: [Technical Field] The present invention relates to an intervertebral filler, in particular, an intervertebral filler between a vertebral endplate and a vertebral endplate. Toe [previous technique] (4), ΐ ΐ ΐ 椎 之 _ _ 是 是 辩 辩 辩 辩 辩 辩 辩 辩 辩 辩 辩 辩 辩 辩 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合 符合:: The stability, so the slaves of the human body age of the vertebrae double pressure, twisted silk. "The financial body of the body often with the operation or improper force, long _ posture is incorrect, after the pregnancy is reduced, the back of the back by gravity impact (four) prime, resulting in disc herniation, the process will cause the fiber ring to expand but _ Complete, clinically, the disc herniation of the county ^ vertebral nucleus overflow, oppressed to the spinal nerve, clinical, ί = Ξ 出; out, which is especially easy to retreat the elderly intervertebral disc to successfully hang this, need to surgically remove the disc, and The installation of an artificial vertebra=disk' is described by the above paragraph. It can be seen that the role of the intervertebral disc in the human spine is extremely ίί. It conforms to the comfort of the human body and can also reach the original pattern of the intervertebral disc. It is described as follows: The artificial intervertebral disc is known for the following. Human, soil: two = secret 2 map "" is the appearance of a conventional artificial intervertebral disc and a schematic diagram of a conventional human vertebrae f disk r and a vertebral body, which includes a body 10, the body 10 1QQ; The vertebral endplate n (end plate) shaped groove 110 of the spine, the main body 10 is placed in the groove m in the handle 疋 'Asia uses a plurality of grooves 100 to accommodate the new bone to make it more fixed effect' But this artificial intervertebral disc needs The vertebral endplate U of the human spine has a groove 110 H __ degree' More importantly, the artificial intervertebral disc is made of metal ^ 1262788. When the human body is active, the vertebral endplate π rubs against each other, resulting in Discomfort and wear of the vertebral endplate 11. In order to improve the comfort of the human body, a hydrophilic technique is disclosed in the published patent art such as U.S. Patent No. 6,022,376, U.S. Patent No. 5,824,093, and U.S. Patent No. 5,674,295. Body 12 made of a polymer (Hydroge丨) (please refer to Figures 3 and 4) for the appearance of another conventional artificial disc and another conventional artificial disc mounted on the vertebral body. The schematic structure is surrounded by a mesh body 13 made of polyethylene, and a plurality of latching members 14 are disposed at two ends of the net body 13 to be attached to the vertebral body endplate 15 of the human spine. Opening a plurality of holes = holes of the aforementioned latching member 14 (not shown), and using a plurality of latching members 14 to clamp holes (not shown) of the vertebral endplate 15 to form an artificial intervertebral disc; Because the artificial intervertebral disc is made of hydrogel, the vertebral endplate B mounted on the human spine can be more comfortable due to its good heterosis and reducing the stress distribution on the spine, but because of its softness. The design of the material, the above-mentioned card member 14 is difficult to provide an effect, and is easy to cause Species exposed to a bit artificial intervertebral disc ί. The main purpose of the work is to provide a comfortable and stable intervertebral filler between the vertebral endplates of the human spine and the vertebral endplates. According to the present invention, the vertebral body filling includes: the supporting limb is worn between the vertebral endplate and the vertebral endplate; the J layer is covered with the aforementioned support body; 'Separately placed in the axial direction of the support body, the positioning bolt 1: the way to the buffer layer, and can be embedded in the surface of the vertebral endplate, for body, matter? Contains three parts 'respectively: support formation - human intervertebral like can be applied between the vertebral endplate and the vertebral endplate, so that when the body is active, the buffer layer is Made of a flexible material, because it is a kind of comfortable and non-directional, it makes the branch body a little harder part of the reading layer, to withstand the power of the spine and 1262788 and Provide sufficient support and then use the tip of the positioning pin to penetrate the surface of the adjacent vertebral endplate' so that the intervertebral filler can be fixed between two adjacent vertebral endplates without A situation in which displacement occurs. The preferred embodiments and technical contents of the present invention are described below with reference to the drawings. [Embodiment] ° ° The present invention allows the components to be assembled and fixed to the vertebrae of the human spine through a simplified structural design. Between the plate and the vertebral endplate, an artificial intervertebral space is formed, and 'not only can be firmly placed on the human body and makes the body feel comfortable, the following is a description of the structure of the present invention, with the schema and detailed description, such as Rear. Please refer to "Figures 5 and 6" for the external view and sectional view of the present invention. As shown in the figure, the intervertebral filler of the present invention is used for mounting on two adjacent vertebrae of the human body. Between the endplate 30a and the vertebral endplate 30b, during the operation, the vertebral endplate 30a and the vertebral endplate 30b are simply opened by the instrument, and the intervertebral filler of the present invention is considered to be in the vertebra. The upper and lower sides of the filler are slightly squeezed and placed between the vertebral endplate plus a and the vertebral endplate 30b, and then the device for distracting the vertebral endplate 30a and the vertebral endplate 3 is removed. The endplate 30a and the vertebral endplate 30b will be pressed/tightened to the intervertebral filler, and the tips of the clamps 22a, 22b will penetrate the vertebral endplate 3〇a and the vertebral endplate 30b. The surface can be fixed; and in another preferred embodiment, at least one hole can be opened in front of the vertebral endplate 30a and the surface of the vertebral endplate 30b. 30, 30 (see "8th" Fig.) is a positioning plug 228, 221) for inserting the intervertebral filler, and a groove can be formed on the side of the vertebral endplate 30a and the vertebral endplate 30b to allow the intervertebral filler to be positioned. 2a, 22b can place the entire intervertebral filler along the groove; in other words, there are many achievable insertion methods during the operation, but it is not the technique of the present invention, and therefore is not limited and described herein. According to a preferred embodiment of the intervertebral filler disclosed in the present invention, the structure comprises: a buffer layer 21 disposed on any two adjacent vertebral endplates 3〇a and a vertebral endplate j〇 Between b, to provide a cushioning effect between any two adjacent vertebral endplates 3 amp & 3 ribs, the preferred embodiment of the buffer layer 21 is made of soft plastic material or water gel 1262788 Because of its soft material and elastic characteristics, it can be used for human body movement, without direction limitation, and can avoid causing human discomfort, serious or even wear or breakage, and the preferred embodiment is more The both sides of the buffer layer 21 form a rim that is recessed toward the axis L of the support body 20 (see "Fig. 8" and the direction of the spine) to form a buffer zone 210, which is recessed. In the contour design, when two adjacent vertebral endplates 30a and vertebral endplates 30b are pressed against each other by the pressure of the spine, the problem that the cushion layer 21 protrudes toward the outside of the spine does not occur. Furthermore, the thickness of the buffer layer μ can be designed with different θ thicknesses according to the positions of the vertebral end plates 3〇a and 30b to conform to the most comfortable feeling of the human body and the vertebral endplates 3〇a, 3〇. 5 bending angle;
、 支撐體W，係被包覆於前述緩衝層21内，其較佳的實施方 式係以具彈性之塑膠材質製成，但相對於緩衝層21而言則略硬， 口其硬貝材料之4寸性，故可於椎體終板3〇a與椎體終板gob之間， 提供良好的支撐效果； 至少二個定位栓22a、22b，其一端固定於支撐體2〇的軸向兩 端位置，此二個定位栓22a、22b的尖端皆外露於缓衝層21，並可 刺入或伸入任二個相鄰之椎體終板3〇a、3〇b表面所預先形成的孔 洞，a、300b，此定位栓22a、22b可將支撐體2〇和緩衝層21 T疋於任二個相鄰之椎體終板·、的適當位置而不易產生位 f ^依據本發明的較佳實施例，定位栓概、娜可以是金屬或 貝材料（如轉）所製成，讀能夠刺人任二個相鄰之椎體終 板30=3%的表—面，並且在脊椎的軸向提供相當的支撐能力。 「繁第7圖」’為本發明的另一種實施例，在此對前述 個命#二i彳支樓體2〇提出了一種功效相當的變更設計；在這 定:二L的^位检孤、22b之間被裝入了 一個彈性結構24，而 在緩二=的底座2他、2仙則與彈性結構24 一併被包覆 結構243卩 而不會脫離，使得緩衝層21在靠近轴心的彈性 22b葬由强月匕車父緩衝層21的外周緣處略硬，所以定位栓22a、 供相^的支^構24的支獲，仍然可以在緩衝層21的轴心位置提 ，、 支按性，其令的彈性結構24以壓縮彈簀為佳且形式不 1262788 拘，例如螺旋型彈胥或是皿型彈簧皆可，它可以是金 材料製成㈣性結構24，這種設計亦可提供 5圖」之支樓體20的替代手段。 文相田方；弟 本發明係以前述支撐體20、缓衝層21及定位检22a、挪之 相互組設，並固定於椎體終板3〇a與椎體終板3%之 ^-人造椎間盤；因緩衝層21之設置，讓人體於活動時，可更豆 $適感且不具方向之關，且支 2Q細具雜之材質或是 祕結構24的方式純實現，具有足夠狀的效果，、並以 i 2 的尖端直接刺入或是固定於任二個相鄰之椎體終 1=體洞、獅之，讓本發明裝設於人 曼於人體活動日守，能穩固的固設於其中，不會發位 時可明椎間填充物係以高可塑性材質製成，故於手術進二 位於手術傷σ小；另，本實施例之最佳實施位置係 限定其=置亦可實施於人體脊椎之其他部分，故在此不 所示，第9圖」’係為本發日収外力壓迫之示意圖，如圖 加之軸21係於其兩側表面，形成—種朝向支撐體 形成-緩衝區間210^圖」，同脊椎方向）方向凹人的輪靡，用以 物的轴向受^力’^ =衝區間21G之設計，可使椎間填充 終板30a轉體S t 21之外形不致於凸出於椎體 板3〇b之外，造成如習知椎間盤凸出之情形。 所示，Γϋ二1! 士圖」’係為本發明第二實施例之外觀圖，如圖 用以固定二任- ^支撐體20上、下各設有三個定位栓奴、22d 計更可結二 的椎體終板3°a與椎體終板鳥間，此設 本二有口广效果，使椎間填充物不易脫出。 12 m & 可以另—形狀製作前述的緩衝層21，請參閱「第；Π、 糸本發明第三實施例之外觀圖、剖面圖，其中缓彳 依與其相鄰之任兩個椎體終板咖、_ 十圖中所舉的例子係採近似腎形的設計，或是在緩衝層 $ 9 1262788 度上視需要作一變化以便符合人體脊椎的形狀。 . 上列詳細說明係針對本發明之可行實施例具體說明，惟該實 施例並非限制本發明之專利範圍，凡未脫離本發明之發明技藝精 神之等效實施或變更，均應包含於本案之專利範圍内。The support body W is coated in the buffer layer 21. The preferred embodiment is made of a resilient plastic material, but is slightly harder than the buffer layer 21, and the hard shell material is 4 inches, so it can provide good support between the vertebral endplate 3〇a and the vertebral endplate gob; at least two positioning bolts 22a, 22b, one end of which is fixed in the axial direction of the support body 2〇 In the end position, the tips of the two positioning pins 22a, 22b are exposed to the buffer layer 21, and can be inserted into or protruded into the surface of any two adjacent vertebral end plates 3〇a, 3〇b. Holes, a, 300b, the positioning pins 22a, 22b can align the support body 2 and the buffer layer 21 to any two adjacent vertebral endplates, and are not prone to generate a position f ^ according to the present invention In a preferred embodiment, the positioning plug can be made of metal or shell material (such as a turn), and the reader can pierce two adjacent vertebral endplates 30=3% of the surface-surface, and in the spine The axial direction provides considerable support. "Traditional 7th figure" is another embodiment of the present invention. Here, a similarly modified design is proposed for the above-mentioned life #二i彳支楼2〇; here: two L's position detection An elastic structure 24 is installed between the orphans 22b, and the base 2 and 2 centimeters of the cushion 2 are covered with the elastic structure 24 without being detached, so that the buffer layer 21 is close to The elasticity 22b of the axial center is slightly hardened by the outer circumference of the cushion layer 21 of the strong moon, so that the positioning bolt 22a and the support of the support 24 can still be provided at the axial position of the buffer layer 21. , the support, the elastic structure 24 is preferably a compression magazine and the form is not 1262788, such as a spiral magazine or a cup spring, it can be made of gold material (four) structure 24, which The design also provides an alternative to the 5's building block 20. The invention is composed of the support body 20, the buffer layer 21, the positioning inspection 22a, and the misalignment, and is fixed to the vertebral endplate 3〇a and the vertebral endplate 3%. Intervertebral disc; due to the setting of the buffer layer 21, when the body is active, it can be more suitable for the bean and has no direction, and the 2Q fine material or the secret structure 24 is purely realized, and has sufficient effect. , and directly pierced or fixed at the tip of i 2 to any two adjacent vertebral bodies, 1 body hole, lion, so that the present invention is installed in the human body, and can be firmly solid. In the case where it is not in place, the intervertebral filler can be made of a highly plastic material, so that the surgical injury is small in the surgical injury σ; in addition, the optimal implementation position of the embodiment is limited to It can be applied to other parts of the human spine, so it is not shown here. Figure 9 is a schematic diagram of the external force compression. As shown in the figure, the shaft 21 is attached to the two sides of the body to form a kind of support body. The rim of the concave person in the direction of the formation of the buffer zone, the direction of the spine, is used for the axial direction of the object. '= ^ Punch section 21G of the design, can fill the intervertebral endplate 30a of the rotors 21 S t profile as not protrude outside 3〇b vertebral plate, resulting in the case of conventional projections such as the disc. As shown in the figure, the second embodiment of the present invention is an external view of the second embodiment of the present invention, as shown in the figure for fixing two--the support body 20 is provided with three positioning bolt slaves and 22d meters. The second vertebral endplate 3 °a and the vertebral endplate between the birds, this set of two has a wide mouth effect, so that the intervertebral filler is not easy to escape. 12 m & The buffer layer 21 may be formed in another shape, please refer to "the first embodiment of the present invention, the cross-sectional view of the third embodiment of the present invention, wherein the two vertebral bodies are adjacent to each other. The example given in the slate, _10 is a design that approximates the shape of the kidney, or a change in the buffer layer of $9 1262788 as needed to conform to the shape of the human spine. The above detailed description is directed to the present invention. The present invention is not limited to the scope of the invention, and the equivalents and modifications of the invention are intended to be included in the scope of the invention.
1262788 【圖式簡單說明】 . 第1圖，係為習知人造椎間盤之外觀圖。 第2圖，係為習知人造椎間盤裝設於椎體之示意圖。 第3圖，係為另一習知人造椎間盤之外觀圖。 第4圖，係為另一習知人造椎間盤裝設於椎體之示意圖。 第5圖，係為本發明之外觀圖。 第6圖，係為本發明之剖面圖。 第7圖，為本發明之另一較佳實施例的剖面圖。 第8圖，係為本發明裝設於椎體之示意圖。 第9圖，係為本發明受外力壓迫之示意圖。 第10圖，係為本發明第二實施例之外觀圖。 第11圖，係為本發明第三實施例之外觀圖。 第12圖，係為本發明第三實施例之剖面圖。 【主要元件符號說明】 【習知】 10 ...........主體 100...........溝槽 11 ...........椎體終板 110...........凹槽 12 ...........主體 13 ...........網體 14 ...........卡掣件 15 ...........椎體終板 【本發明】 20 ...........支撐體 21 ...........缓衝層 210...........緩衝區間 22a、22b、22c、22d.....定位栓 221a、221b..........底座 1262788 24 ·. 30a、 300a • 。 · 》 :·· » ··彈性結構 30b........椎體終板 、300b.........孔洞1262788 [Simple description of the drawing] Fig. 1 is an appearance view of a conventional artificial intervertebral disc. Fig. 2 is a schematic view showing a conventional artificial intervertebral disc mounted on a vertebral body. Figure 3 is an external view of another conventional artificial intervertebral disc. Fig. 4 is a schematic view showing another conventional artificial intervertebral disc mounted on a vertebral body. Figure 5 is an external view of the present invention. Figure 6 is a cross-sectional view of the present invention. Figure 7 is a cross-sectional view showing another preferred embodiment of the present invention. Figure 8 is a schematic view showing the installation of the invention in a vertebral body. Figure 9 is a schematic view of the invention being subjected to external force compression. Figure 10 is an external view of a second embodiment of the present invention. Figure 11 is an external view of a third embodiment of the present invention. Figure 12 is a cross-sectional view showing a third embodiment of the present invention. [Main component symbol description] [Practical] 10 ........... Main body 100........... Groove 11 ........... Body end plate 110...........groove 12 ........... body 13 ........... net body 14 ..... ......Cartridge 15 ........... vertebral endplate [Invention] 20 ...........Support 21 ...... ..... buffer layer 210...........buffer zone 22a, 22b, 22c, 22d..... positioning pin 221a, 221b.......... base 1262788 24 ·. 30a, 300a • . · 》 :·· » ··elastic structure 30b........vertebral endplate, 300b.........hole