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Backbone internal fixing system

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Publication number
CN102599970A
CN102599970A CN 201210094674 CN201210094674A CN102599970A CN 102599970 A CN102599970 A CN 102599970A CN 201210094674 CN201210094674 CN 201210094674 CN 201210094674 A CN201210094674 A CN 201210094674A CN 102599970 A CN102599970 A CN 102599970A
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CN
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Prior art keywords
fixing
internal
backbone
intramedullary
plate
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CN 201210094674
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Chinese (zh)
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CN102599970B (en )
Inventor
杨永竑
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杨永竑
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Abstract

The invention relates to a medical appliance, in particular to an orthopedic backbone internal fixing system, which comprises an internal fixing device, an implanting and taking-out device (4) and a surgical fixing device (5). The internal fixing device comprises a first intramedullary fixing plate (1), a second intramedullary fixing plate (2) and an embedded elliptical cylinder (3); the first intramedullary fixing plate (1) is provided with a first bump (11); the second intramedullary fixing plate (2) is provided with a second bump (21); and one end of the embedded elliptical cylinder (3) is provided with a third through hole (31), the other end of the embedded elliptical cylinder (3) is conical, and the conical top end of the embedded elliptical cylinder (3) has a certain radian. According to the technical scheme, the backbone internal fixing system is easy to be implanted, is fixed well relatively, and is few in incision and trauma, free of stress shielding, easy in operation and low in surgical risk, a dilating angle is easy to be adjusted, and after the backbone internal fixing system is implanted, fracture reduction is good.

Description

—种骨干内固定系统 - kinds of internal fixation system backbone

技术领域 FIELD

[0001] 本发明涉及医疗器械,尤其涉及一种骨科骨干内固定系统。 [0001] The present invention relates to medical devices, particularly to a backbone of the orthopedic fixation system.

背景技术 Background technique

[0002] 骨干骨折内固定主要分两种,髓内钉和钢板内固定系统。 [0002] The internal shaft fracture fixation mainly divided into two, and the nail plate fixation system. 后者的手术剥离范围广、 损伤大,且固定后会产生应力遮挡和应力集中等生物力学缺陷,多用于不适合使用髓内钉固定的骨折类型。 A wide range of surgical dissection of the latter, large damage, and is generated after fixation and stress shielding biomechanical stress concentration defects, it is not suitable for multi intramedullary nail type of fracture. 髓内钉内固定系统有很多种类,常用的有梅花钉、Ender钉、Rush钉、矩形板髓内钉、绞锁髓内钉等,而绞锁髓内钉则是目前主流使用的种类,其他的由于各种缺陷已经很少应用或逐步淘汰,但绞锁髓内钉也有自身的缺陷:一是需要多个小切口、二是锁钉锁入困难、三是也存在应力集中和应力遮挡问题。 Intramedullary nailing systems have many types of commonly used medullary nail, Ender nail, Rush nail, intramedullary nail rectangular plate, intramedullary nail twist, the twist of the nail is the mainstream of the type used, other due to various defects have been rarely used or phased out, but the twist of the intramedullary nail has its own drawbacks: First, a plurality of small incisions required, two locking nail is locked into difficulties, there are three stress concentration and stress shielding problems . 本发明的骨干内固定系统由上下两片髓内固定板以及中间的嵌入柱组成,手术过程中嵌入柱将上下两片髓内固定板撑开,这样容易植入,相对固定好,且板植入后,骨折的复位好。 The backbone of the fastening system of the invention consists of two vertical plates and intramedullary fixing of the intermediate column fitted composition, embedded in surgical procedures the vertical column two distraction intramedullary fixation plate, so easy to implant, is relatively fixed, and the plate plant after the good fracture reduction.

发明内容 SUMMARY

[0003] 本发明针对现有技术中的不足,提供了一种切口少、创伤小,容易操作、容易调节扩张角度的骨干内固定系统。 [0003] The present invention addresses deficiencies in the prior art, a small incision, trauma, easy to operate, easy to adjust the spread angle of the fixation system backbone.

[0004] 为了解决上述技术问题,本发明通过下述技术方案得以解决。 [0004] To solve the above problems, the present invention is solved by the following technical solutions.

[0005] 一种骨干内固定系统,包括内固定装置、植入和取出装置和手术固定装置,内固定装置包括第一髓内固定板、第二髓内固定板和嵌入式椭圆柱; [0005] an internal fixation system backbone, comprising fixation means and the surgical implantation of fixture and extraction means, the intramedullary fixation device includes a first fixing plate, the second plate and the intramedullary fixation embedded elliptical cylinder;

第一髓内固定板的一端设有第一通孔,距离另一端30-50mm处设有第一突起; Intramedullary fixation end of the first plate is provided with a first through hole from the other end is provided with a first projection 30-50mm;

第二髓内固定板的一端设有第二通孔,距离另一端30-50mm处设有第二突起; Intramedullary fixation end of the second plate is provided with a second through hole, at a distance of 30-50mm other end provided with a second projection;

嵌入式椭圆柱的一端设有第三通孔,另一端呈锥形,锥形顶端具有一定弧度。 One end of the elliptic cylinder is provided with an embedded third through-hole, and the other end is tapered, the tapered tip having a certain curvature. 用第一突起和第二突起使骨干远端分开。 A first and second protrusions are separated so that the distal end of the backbone.

[0006] 作为优选,第一髓内固定板是一块长26-40cm、宽6_8mm、厚度为2mm的弧形板,远离第一通孔的一端具有弧度;第二髓内固定板是一块长26-40cm、宽6-8_、厚度为2_的弧形板,远离第二通孔的一端具有弧度。 [0006] Advantageously, the first fixing plate is a long intramedullary 26-40cm, width 6_8mm, curved plate having a thickness of 2mm, away from the end of the first curvature having a through hole; intramedullary second fixing plate 26 is a long -40cm, 6-8_ width, thickness 2_ arcuate plate, and an end remote from the second through-hole having a curvature. 顶端的弧度,使第一髓内固定板、第二髓内固定板和嵌入式椭圆柱方便插入。 Top arc, intramedullary fixing of the first plate, the second plate and the intramedullary fixation embedded elliptical cylinder facilitate insertion.

[0007] 作为优选,嵌入式椭圆柱是一个高度为26_40cm、横截面为椭圆的立柱,椭圆的长轴为4_7mm、短轴为2_5mm。 [0007] Preferably, the elliptical cylinder is embedded a height 26_40cm, elliptical cross-section uprights, the major axis of 4_7mm, a minor axis of 2_5mm.

[0008] 作为优选,第一突起的高度为3mm,第二突起的高度为3mm。 [0008] Preferably, the height of the first protrusions of 3mm, a height of the second protrusions of 3mm.

[0009] 作为优选,植入和取出装置包括连接轴、连接柱和手柄,连接柱上端固定连接有连接轴,下端连接有手柄;连接轴位于连接柱一侧,手柄套在连接柱下端。 [0009] Preferably, the implantation and extraction device comprises a connecting shaft, and a handle connected to the column, the column is connected with a connecting shaft fixedly connected end, a lower end connected to a handle; connecting shaft is connected to a side of the column, the column is connected at the lower end of the handle sleeve.

[0010] 作为优选,连接轴远离连接柱的一端比连接轴中间的宽度大。 [0010] Preferably, the connecting shaft remote from the one end of the connecting shaft connected to the column than the large intermediate width. 两端宽中间窄的连接轴,使得在植入第一髓内固定板和第二髓内固定板使,不会随意滑动。 Both ends of the narrow width of the intermediate connecting shaft, such that the first implant in the intramedullary fixation plate and the second plate so that the intramedullary fixation, does not slide freely.

[0011] 作为优选,手术固定装置包括固定轴、固定件和圆孔,固定件有两个,两个固定件固定连接,相互连接的部分设有圆孔。 [0011] Preferably, the fixing means comprises a surgical fixing shaft, the fixing member and the bore, the fixing member has two, two fixing members is fixedly connected, interconnected parts provided with a circular hole.

3[0012] 作为优选,固定件上固定设有固定轴,固定轴远离固定件的一端比固定轴中间的宽度大。 3 [0012] Advantageously, the fixing member fixing a fixing shaft fixed to an end of the shaft remote from the intermediate fixing member is larger than a width of the fixed shaft.

[0013] 骨干内固定系统钛合金材料制成,它具有密度低、机械强度大不易断裂、较强的抗腐蚀性和韧性的特点,随着在合金中钛的比例不同,其合金性质又会有所区别,便于调控。 Made of [0013] the backbone fixation system alloy material which has a low density, mechanical strength is not easily broken, a strong corrosion resistance and toughness characteristics, as the proportion of different titanium alloys in which the alloy properties will differentiated, easy to regulate.

本发明由上下两片髓内固定板以及中间的嵌入柱组成,手术过程中嵌入柱将上下两片髓内固定板撑开,容易植入,相对固定好,切口少、创伤小,无应力遮挡,容易操作、手术风险小,容易调节扩张角度,这样的板植入后,骨折的复位好。 The present invention consists of two vertical plates and intramedullary fixing of the intermediate column fitted composition, embedded in surgical procedures the vertical column two distraction intramedullary fixation plate, easy to implant, is relatively fixed, small incision, trauma, stress-shielding , easy to operate, low risk operation, easy to adjust the angle of expansion, so that after the plate implantation, good fracture reduction.

附图说明 BRIEF DESCRIPTION

[0014] 图I为第一髓内固定板的结构示意图; [0014] FIG. I is a first structural schematic view of the intramedullary fixation plate;

图2为图I的后视图; FIG 2 is a rear view of Figure I;

图3为图I的右视图; 3 is a right side view of Figure I;

图4为图I中A的局剖图; FIG 4 is a Bureau of FIG. I wherein A sectional view;

图5为第二髓内固定板的结构示意图; FIG 5 is a schematic view of a second intramedullary fixation plate;

图6为图5的后视图; FIG 6 is a rear view of Figure 5;

图7为图5的右视图; 7 is a right side view of FIG. 5;

图8为图5中A的局剖图; FIG 8 is a Bureau of FIG. 5 A sectional view;

图9为嵌入式椭圆柱的结构示意图; FIG 9 is a schematic structure of an embedded elliptical cylinder;

图10为图9的右视图; 10 is a right side view of Figure 9;

图11为植入和取出装置的结构示意图; FIG 11 is a schematic structural diagram of the implant and extraction device;

图12为手术固定装置的结构示意图; FIG 12 is a schematic view of the surgical fastener apparatus;

图13为嵌入式椭圆柱的植入示意图; 13 is a schematic view of the implant embedded elliptical cylinder;

图14为胫骨干骨折的骨干内固定系统示意图; FIG 14 is a tibial shaft fracture fixation system schematic diagram of the shaft;

图15为股骨干骨折的骨干内固定系统示意图; FIG 15 is a femoral shaft fracture fixation system diagram of the backbone;

图16为肱骨干骨折的骨干内固定系统示意图。 FIG 16 is a humeral fracture fixation system diagram of the backbone.

具体实施方式 detailed description

[0015] 下面结合附图与具体实施方式对本发明作进一步详细描述。 [0015] The present invention will be described in further detail in conjunction with the accompanying drawings specific embodiments.

[0016] 实施例I [0016] Example I

一种骨干内固定系统,包括内固定装置、植入和取出装置4和手术固定装置5。 An internal fixation system backbone, comprising fixation means and removal means 4 and the implant surgical fixing means 5. 内固定装置包括第一髓内固定板I、第二髓内固定板2和嵌入式椭圆柱3。 Intramedullary fixation means comprises a first fixed plate I, the second plate 2 and the intramedullary fixation embedded elliptical cylinder 3.

[0017] 如图1-4,第一髓内固定板I是一块长26-40cm、宽6-8mm、厚度为2mm的弧形板, 第一髓内固定板I的宽度方向为弧形,第一髓内固定板I的两端分别为近端和远端,近端设有第一通孔12,第一通孔12为圆形孔,远端具有一定弧度,既方便插入又不至于伤害人体; 距远端30-50mm处设有一斜坡状的第一突起11,第一突起11位于弧形内径一侧,第一突起 [0017] Figures 1-4, a first fixed plate I is an intramedullary length 26-40cm, 6-8mm wide, arcuate plate having a thickness of 2mm, a width direction of the first fixing plate I intramedullary an arc, I intramedullary fixation ends of the first plate, respectively proximal and distal ends, the proximal end 12 is provided with a first through hole, a first through hole 12 is a circular hole, the distal end having a certain curvature, but not so convenient insertion harm the human body; 30-50mm away from a distal end provided at a first ramp-like projection 11, projection 11 is located a first arcuate inner diameter side, a first projection

11呈斜坡状,有一最闻点,最闻点与第一髓内固定板I的垂直距尚为3mm,沿最闻点向两侧的垂直距离渐小,直至与第一髓内固定板I上的点重合。 11 has a ramp-like, there is a point most smell, intramedullary fixation point perpendicular to the first plate from the smell I still most of 3mm, most smell point along both sides of the vertical distance to progressively smaller, until the first I intramedullary fixation plate points coincide.

[0018] 如图5-8,第二髓内固定板2与第一髓内固定板I结构大小相同,第二髓内固定板2的近端和远端分别设有第二通孔22和第二突起21。 [0018] FIG. 5-8, the second intramedullary fixing plate 2 are the same size of the first configuration I intramedullary fixation plate, intramedullary proximal and distal ends of the second fixing plate 2 are provided with second through holes 22 and The second projection 21. [0019] 如图9-10,嵌入式椭圆柱3为一立体住,其横截面为椭圆,椭圆长轴为4_7mm、短轴为2-5mm,嵌入式椭圆柱3的高度为26_40cm。 [0019] FIG. 9-10, elliptical cylinder embedded live 3 is a perspective, cross-section is an ellipse with the major axis of 4_7mm, a minor axis of 2-5 mm, the height of the column 3 is embedded elliptical 26_40cm. 嵌入式椭圆柱3也设有近端和远端,近端设有第三通孔31,第三通孔31为一圆形孔;远端呈锥形,锥形顶端具有一定弧度。 Embedded elliptic cylinder 3 is also provided with a proximal end and a distal end, a proximal end provided with a third through-hole 31, the third through-hole 31 is a circular aperture; the distal end is tapered, the tapered tip having a certain curvature.

[0020] 第一通孔12、第二通孔22和第三通孔31大小结构相同。 [0020] The first through hole 12, the same as the second through hole 22 and third through holes 31 sized structure.

[0021] 如图11,植入和取出装置4用于植入和取出第一髓内固定板I、第二髓内固定板2 和嵌入式椭圆柱3,包括连接柱42、手柄43和连接轴41。 [0021] As shown in FIG 11, the implant for implantation and removal means 4 and removing the first intramedullary fixation plate I, the second plate 2 and the intramedullary fixation embedded elliptical cylinder 3, comprises a connecting post 42, the handle 43 and is connected shaft 41. 连接轴41位于连接柱42上端的右侧,连接轴41自由端即远离连接柱42的一端宽度与第一通孔12的孔径相同,连接轴41 两端对称,中间的宽度小于两端的宽度,成内凹型,插入第一通孔12可以防止滑脱。 The connection shaft connecting posts 41 located on the right side of the width of the upper end 42, the free end of the connecting shaft 41 that is remote from the end connected to the same column the width of the aperture of the first through-hole 42 and 12, the connecting shaft 41 at both ends symmetrical across a width smaller than the middle, into a concave type, inserted into the first through hole 12 can be prevented from slipping. 连接柱42的下端连接手柄43,连接柱42贯穿手柄43,且下端突出于手柄43,连接柱42左侧的手柄43中间设有内凹型的部分,方便使用;右侧的手柄43的长度小于左侧的手柄43的长度, 连接柱42右侧手柄43上端为取出敲击点,连接柱42下端为植入敲击点。 The lower end of the connecting post 42 connecting the handle 43, the handle 43 is connected through column 42, and the lower end of the handle projection 43, 42 connecting the handle post 43 on the left side of the intermediate portion is provided with concave type, easy to use; length of the handle 43 is smaller than the right side length of the handle 43 on the left side, the right side of the handle 42 connected to the upper end of the column to remove the tap points 43, 42 is connected to the lower end of the column implant percussion point.

[0022] 植入和取出装置4植入第一髓内固定板I时,先将连接轴41插入第一通孔12,在植入敲击点用力,便可植入;植入和取出装置4取出第一髓内固定板I时,先将连接轴41插入第一通孔12,在取出敲击点用力,同时利用手柄43将其拔出。 [0022] 4 first intramedullary implant I inserted and removed plate fixing means, first connecting shaft 41 inserted into the first through hole 12, the percussion point force the implant, the implant can; implantation and retrieval device when removing the first intramedullary fixation plate 4 I, first connecting shaft 41 inserted into the first through hole 12, taken at the tap point force, while using the handle 43 and pull it out. 第二髓内固定板2、嵌入式椭圆柱3的植入取出与第一髓内固定板I相同。 The second plate 2 intramedullary fixation implant embedded elliptical cylinder 3 is taken out intramedullary fixation plate identical to the first I.

[0023] 如图12,手术固定装置5包括固定件52、固定轴51和圆孔53。 [0023] As shown in FIG 12, the surgical fixing means 5 comprises a fixing member 52, the fixed shaft 51 and the bore 53. 固定件52有两个, 两个固定件52固定连接,相互连接的部分设有圆孔53,嵌入式椭圆柱3可以从圆孔53插入。 Two fixing members 52, two fixing members 52 is fixedly connected, interconnected parts provided with circular holes 53, embedded elliptical cylinder 3 can be inserted from the circular hole 53. 固定件52上固定设有固定轴51,固定轴51与植入和取出装置4的连接轴41结构大小相同。 The fixed member 52 fixed to a fixed shaft 51 fixed shaft 51 and the implantation and extraction devices of the same size of the connection structure 41 of the shaft 4.

[0024] 如图13,手术固定装置5用于固定第一髓内固定板I和第二髓内固定板2,方便嵌入式椭圆柱3插入;第一通孔12和第二通孔22分别安装在两个固定轴51上,在手术固定装置5的支撑下,固定第一髓内固定板I和第二髓内固定板2,将嵌入式椭圆柱3从圆孔53 插入。 [0024] As shown in FIG 13, the surgical fixing means 5 for fixing the first and the second I intramedullary fixation plate intramedullary fixing plate 2, conveniently embedded elliptical cylinder 3 is inserted; the first through hole 12 and second through holes 22, respectively mounted on two fixed shaft 51, at the supporting means 5 of the surgical fastener, a first fixed plate I and the second intramedullary fixation intramedullary fixing plate 2, 3 embedded elliptical cylinder 53 is inserted from the circular hole. 这样,使第一髓内固定板I和第二髓内固定板2先进入骨干远端,可以防止嵌入式椭圆柱3尚未穿过第一突起11和第二突起21,便三者一起进入骨干远端,达不到远端分开固定的目的。 Thus, the first and the second I intramedullary fixation plate intramedullary fixing plate 2 first into the distal end of the backbone, can be prevented yet embedded elliptical cylinder 3 through the first projection 11 and second projection 21, it enters along the backbone of the three a distal end, the distal end of a fixed object not separated.

[0025] 实施例2 [0025] Example 2

如图13、14,胫骨干骨折的骨干内固定系统。 FIG 13 and 14, the inner shaft tibial shaft fracture fixation system.

[0026] 植入过程:在胫骨上端内侧作一约5cm纵形皮下直切口,暴露胫骨上端,并在其内侧钻一骨洞并扩孔;使用植入和取出装置4将第一髓内固定板I和第二髓内固定板2植入孔中,沿髓腔进入(将骨折复位)并穿过骨折线进入骨干远端,使二者在髓腔内环抱形成一个空心椭圆柱;再用手术固定装置5固定住第一髓内固定板I和第二髓内固定板2,使用植入和取出装置4将嵌入式椭圆柱3从圆孔53处插入环抱的空心椭圆柱,至第一突起11 和第二突起21处,将第一髓内固定板I的远端和第二髓内固定板2的远端分开,呈“倒八字形”,嵌入式椭圆柱3进入骨干远端,三者的近端留在股骨外面的不同平面,第一通孔12、第二通孔22和第三通孔31留在骨干外。 [0026] implantation process: inside the bone in the upper end of a tibia for about 5cm subcutaneous longitudinal straight incision, exposing the upper end of the tibia, and a bone drill and the reamer hole in the inside thereof; inserted and removed using the first intramedullary fixation means 4 2 implant I and the second plate holes intramedullary fixation plate along the medullary cavity entry (the fracture) and across the fracture into the distal end of the shaft, so that both surrounded by a hollow elliptical cylinder form in the medullary cavity; then surgical fixing means 5 hold the first and second I intramedullary fixation plate intramedullary fixing plate 2, the use of implantation and extraction device 4 embedded elliptical cylinder 3 is inserted from the circular hole 53 surrounded by a hollow elliptic cylinder, to a first projection 11 and the second projection 21, the distal end of the distal end of the first separating plate I intramedullary fixation and intramedullary fixing the second plate 2, as a "herringbone", embedded into the backbone of the distal elliptical cylinder 3, remains outside the proximal end of the femur three different planes, the first through hole 12, second through holes 22 and the third through-hole 31 remains outside the backbone.

[0027] 取出过程:将植入和取出装置4的连接轴41套入嵌入式椭圆柱3的第三通孔31, 利用手柄43与取出敲击点将其拔出,再将植入和取出装置4的连接轴41分别套入第一髓内固定板I和第二髓内固定板2,将其先后拔出。 [0027] extraction process: a third through hole means connecting shaft 4 is inserted and removed into 41 sets of 31 embedded elliptical cylinder 3, the use of the handle 43 and the tap point unplug removed, and then inserted and removed means connected to the shaft 41 of the intramedullary fixation are set into a first and a second plate I intramedullary fixing plate 2, which has pulled out.

[0028] 实施例3如图13、15,股骨干骨折的骨干内固定系统。 [0028] Example 3 13, 15, femoral shaft fracture fixation system according to the backbone.

[0029] 植入过程:在臀部股骨大转子后上方作一约6cm切口,显露大转子,在凹部用骨锥钻一小孔并扩孔,从股骨上端内侧钻一骨洞并扩孔;使用植入和取出装置4将第一髓内固定板I和第二髓内固定板2植入孔中,沿髓腔进入(将骨折复位)并穿过骨折线进入骨干远端,使二者在髓腔内环抱形成一个空心椭圆柱;再用手术固定装置5固定住第一髓内固定板I和第二髓内固定板2,使用植入和取出装置4将嵌入式椭圆柱3从圆孔53处插入环抱的空心椭圆柱,至第一突起11和第二突起21处,将第一髓内固定板I的远端和第二髓内固定板2的远端分开,呈“倒八字形”,嵌入式椭圆柱3进入骨干远端,三者的近端留在大转子凹外l_2cm,第一通孔12、第二通孔22和第三通孔31留在骨干外。 [0029] implantation: after hip over a greater trochanter for about 6cm incision to expose the greater trochanter, bone awl with a small hole drilled in the recess and reamer, drill a hole in the bone and from the upper end of the medial femoral reamer; using implantation and extraction device 4 2 implanting intramedullary fixation hole of the first plate and the second I intramedullary fixation plate along the medullary cavity entry (the fracture) and across the fracture into the distal end of the shaft, so that both the forming a hollow elliptic cylinder surrounded intramedullary; then secure the surgical fixing means 5 of the first and the second I intramedullary fixation plate intramedullary fixing plate 2, the use of implantation and extraction device 4 embedded elliptical cylinder from the circular hole 3 53 surrounded by inserting a hollow elliptic cylinder, a first to a second projection 11 and the projection 21, the distal end of the distal end of the first separating plate I intramedullary fixation and intramedullary fixing the second plate 2, as a "herringbone "embedded into the backbone of the distal elliptical cylinder 3, the proximal end remains outside the three large rotor recess l_2cm, the first through hole 12, second through holes 22 and the third through-hole 31 remains outside the backbone.

[0030] 取出过程:将植入和取出装置4的连接轴41套入嵌入式椭圆柱3的第三通孔31, 利用手柄43与取出敲击点将其拔出,再将植入和取出装置4的连接轴41分别套入第一髓内固定板I和第二髓内固定板2,将其先后拔出。 [0030] extraction process: a third through hole means connecting shaft 4 is inserted and removed into 41 sets of 31 embedded elliptical cylinder 3, the use of the handle 43 and the tap point unplug removed, and then inserted and removed means connected to the shaft 41 of the intramedullary fixation are set into a first and a second plate I intramedullary fixing plate 2, which has pulled out.

[0031] 实施例4 [0031] Example 4

如图13、16,肱骨干骨折的骨干内固定系统。 FIG 13 and 16, the humeral shaft fracture fixation system.

[0032] 植入过程:在肩峰外侧作一短切口,显露分离三角肌,暴露大结节,在其后侧钻一骨洞并扩孔;使用植入和取出装置4将第一髓内固定板I和第二髓内固定板2植入孔中,沿髓腔进入(将骨折复位)并穿过骨折线进入骨干远端,使二者在髓腔内环抱形成一个空心椭圆柱;再用手术固定装置5固定住第一髓内固定板I和第二髓内固定板2,使用植入和取出装置4将嵌入式椭圆柱3从圆孔53处插入环抱的空心椭圆柱,至第一突起11和第二突起21处,将第一髓内固定板I的远端和第二髓内固定板2的远端分开,呈“倒八字形”,嵌入式椭圆柱3进入骨干远端,三者的近端留在骨外O. 5-lcm,第一通孔12、第二通孔22和第三通孔31留在骨干外。 [0032] implantation: the outer side shoulder for a short incision to expose the separation deltoids, exposure greater tuberosity, bone drilling a hole in its rear side and reaming; 4 using the intramedullary implant and a first extraction means 2 implant I and the second hole for fixing the intramedullary fixation plate plate, along the medullary cavity entry (the fracture) and across the fracture into the distal end of the shaft, so that both surrounded by a hollow elliptical cylinder form in the medullary cavity; then a surgical fixing means 5 hold the first and second I intramedullary fixation plate intramedullary fixing plate 2, the use of implantation and extraction device 4 embedded elliptical cylinder 3 from the circular hole 53 surrounded by a hollow elliptical post insertion, through a second projection 11 and the projection 21, the distal end of the distal end of the first separate I intramedullary fixation plate and the second plate 2 intramedullary fixation, was "herringbone", embedded into the backbone of the distal end of the elliptic cylinder 3 , the proximal end of the bone in the three remaining outer O. 5-lcm, the first through hole 12, second through holes 22 and the third through-hole 31 remains outside the backbone.

[0033] 取出过程:将植入和取出装置4的连接轴41套入嵌入式椭圆柱3的第三通孔31, 利用手柄43与取出敲击点将其拔出,再将植入和取出装置4的连接轴41分别套入第一髓内固定板I和第二髓内固定板2,将其先后拔出。 [0033] The extraction procedure: the third through hole means connecting shaft 4 is inserted and removed into 41 sets of 31 embedded elliptical cylinder 3, the use of the handle 43 and the tap point unplug removed, and then inserted and removed means connected to the shaft 41 of the intramedullary fixation are set into a first and a second plate I intramedullary fixing plate 2, which has pulled out.

[0034] 总之,以上所述仅为本发明的较佳实施例,凡依本发明申请专利范围所作的均等变化与修饰,皆应属本发明专利的涵盖范围。 [0034] In summary, the above description is only preferred embodiments of the present invention, where the invention under this patent application modifications and alterations made by the range, also belong to the scope of the present invention patent.

Claims (8)

1. 一种骨干内固定系统,包括内固定装置、植入和取出装置(4)和手术固定装置(5), 其特征在于:内固定装置包括第一髓内固定板(I)、第二髓内固定板(2)和嵌入式椭圆柱(3);第一髓内固定板(I)的一端设有第一通孔(12),距离另一端30-50mm处设有第一突起(11);第二髓内固定板(2)的一端设有第二通孔(22),距离另一端30-50mm处设有第二突起(21);嵌入式椭圆柱(3)的一端设有第三通孔(31),另一端呈锥形,锥形顶端具有一定弧度。 An internal fixation system backbone, comprising fixation means, implantation and extraction means (4) and a surgical fastening device (5), wherein: the intramedullary fixation device includes a first fixing plate (the I), a second the intramedullary fixation plate (2) and embedded elliptical cylinder (3); a first end of the intramedullary fixation plate (I) is provided with a first through hole (12), from the other end is provided with a first projection 30-50mm ( 11); the second end of the intramedullary fixation plate (2) is provided with a second through hole (22), the other end is provided with a second projection at a distance 30-50mm (21); end embedded elliptical cylinder (3) provided a third through hole (31), the other end is tapered, the tapered tip having a certain curvature.
2.根据权利要求I所述的一种骨干内固定系统,其特征在于:第一髓内固定板(I)是一块长26-40cm、宽6-8mm、厚度为2mm的弧形板,远离第一通孔(12)的一端具有弧度;第二髓内固定板(2)是一块长26-40cm、宽6_8mm、厚度为2mm的弧形板,远离第二通孔(22)的一端具有弧度。 According to claim backbone an internal fixation system of claim I, wherein: a first intramedullary fixation plate (I) is a length of 26-40cm, 6-8mm wide, curved plate having a thickness of 2mm, away one end of the first through hole (12) having a curvature; intramedullary fixing a second plate (2) is a length of 26-40cm, width 6_8mm, curved plate having a thickness of 2mm, away from the second end of the through-hole (22) having radian.
3.根据权利要求I所述的一种骨干内固定系统,其特征在于:嵌入式椭圆柱(3)是一个高度为26-40cm、横截面为椭圆的立柱,椭圆的长轴为4-7mm、短轴为2_5mm。 The backbone of an internal fixation system according to claim I, wherein: the embedded elliptical cylinder (3) is a height of 26-40cm, elliptical cross-section uprights, the major axis of 4-7mm , a minor axis 2_5mm.
4.根据权利要求I所述的一种骨干内固定系统,其特征在于:第一突起(11)的高度为3mm,第二突起(21)的高度为3mm。 According to claim backbone of an internal fixation system of claim I, wherein: the height of the first projection (11) is 3mm, a height of the second projection (21) is 3mm.
5.根据权利要求I所述的一种骨干内固定系统,其特征在于:植入和取出装置(4)包括连接轴(41)、连接柱(42 )和手柄(43 ),连接柱(42 )上端固定连接有连接轴(41),下端连接有手柄(43 );连接轴(41)位于连接柱(42 ) 一侧,手柄(43 )套在连接柱(42 )下端。 According to claim backbone an internal fixation system of claim I, wherein: the implant and extraction means (4) comprises a connecting shaft (41), the columns (42) and a handle (43), the columns (42 ) fixedly connected to the upper end of a connecting shaft (41), connected to the lower end of a handle (43); connecting shaft (41) located in the columns (42) side, the handle (43) in the sleeve (42) connected to the lower end of the column.
6.根据权利要求5所述的一种骨干内固定系统,其特征在于:连接轴(41)远离连接柱(42)的一端比连接轴(41)中间的宽度大。 An internal fixation system backbone as claimed in claim 5, wherein: the connecting shaft (41) remote from the end connected to the column (42) of the connecting shaft (41) is larger than the width of the intermediate.
7.根据权利要求I所述的一种骨干内固定系统,其特征在于:手术固定装置(5)包括固定轴(51)、固定件(52)和圆孔(53),固定件(52)有两个,两个固定件(52)固定连接,相互连接的部分设有圆孔(53)。 The backbone of an internal fixation system according to claim I, wherein: the surgical fixing means (5) comprises a (51), the fixed member fixed shaft (52) and the bore (53), the fixing member (52) there are two, two fixing members (52) fixedly connected, interconnected parts provided with a circular hole (53).
8.根据权利要求7所述的一种骨干内固定系统,其特征在于:固定件(52)上固定设有固定轴(51),固定轴(51)远离固定件(52)的一端比固定轴(51)中间的宽度大。 8. The backbone of an internal fixation system according to claim 7, wherein: fixing a fixing shaft (51) on the fixed member (52), a fixed shaft (51) remote from the fixed end member (52) fixed ratio (51) the width of the intermediate shaft is large.
CN 201210094674 2012-03-31 2012-03-31 Backbone internal fixing system CN102599970B (en)

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US4728333A (en) * 1985-04-05 1988-03-01 Masse Andre A Modular prosthesis kit
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