CN100591300C - Pipe sleeve anti-rotary dentistry implant - Google Patents

Pipe sleeve anti-rotary dentistry implant Download PDF

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CN100591300C
CN100591300C CN 200810150019 CN200810150019A CN100591300C CN 100591300 C CN100591300 C CN 100591300C CN 200810150019 CN200810150019 CN 200810150019 CN 200810150019 A CN200810150019 A CN 200810150019A CN 100591300 C CN100591300 C CN 100591300C
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portion
implant
explants
part
body
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CN 200810150019
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CN101297772A (en
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刘宝林
宋应亮
巍 方
李德华
陈小文
威 马
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方 巍;刘宝林;陈小文
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Abstract

The invention relates to a dental implant, comprising an implant part, an abutment part and a central positioning bolt, which is characterized in that a peripheral cylindrical spiral body of the implant part is divided into three sections of an implant shoulder part, an implant main body part and an implant cone part, a self-tapping slot is formed on the cone part, an inner hole which can be inserted in the abutment part to form the inner intubation sleeve type connection is formed therein; the inner hole is divided into the upper section of a conical part, the middle section of an implant inner hole deep part and the lower section of an implant inner thread with the diameter less than that of the middle section; the abutment part is a rotary body which is sequentially reverse conical, positive curved, positive conical and cylindrical from top to bottom at the periphery, the abutment part can be a solid body and can also be the rotating body with a through hole which can be equipped with the central positioning bolt at the center, and the periphery thereof is a circular table which is sequentially reverse conical, positive curved, positive conical and cylindrical. The dental implant of the invention has rapid implantation, great strength, tight positioning and early retention, which can prevent the rotation, transfer the scattered bite force and scatter the stress function of the central bolt.

Description

一种管套防旋牙科种植体 A pipe sleeve anti-rotation dental implant

技术领域 FIELD

本发明属于牙科种植牙技术领域,涉及一种具有植入快捷、强度高、可早期固位且可防旋转的牙科种植体。 The present invention is in the field of dental implant dentistry, relates to an implant fast, high strength, and can prevent the retention of early dental implant rotation.

背景技术 Background technique

自20世纪80年代初以来,口腔种植学为牙科界开辟了一个崭新的领域。 Since the early 1980s, Oral Implantology is the dental community has opened up a new field. 种植修复成为迅速发展起来的可靠的修复手段,在口腔医学领域获得了重要的地位。 Planting repair a reliable means of repair developed rapidly, he gained an important position in the field of oral medicine. 在牙周病治疗方面,打破了以往治疗过程中一味常规保留患牙的单一治疗理念,增加了牙种植治疗方案。 In terms of treatment of periodontal disease, broke the previous course of treatment reserved teeth blindly conventional concept of a single treatment, an increase of dental implant treatment plan. 在修复学领域,牙种植治疗有助于达到成功的美学和功能性修复。 In the field of prosthetics, dental implant treatment can help achieve successful aesthetic and functional restoration. 在正畸领域,采用种植体作为支抗使牙齿移动的难题迎刃而解。 In orthodontics, the use of implants as anchorage to move teeth problems solved. 牙科的种植牙植体作为义齿固位装置的人工牙根,已经被广泛应用于口腔单个牙缺损、部分牙缺损以及全口牙缺失的修复治疗。 Implant dentistry implant body as an artificial tooth root denture retention means, has been widely used a single oral tooth defect, and the defect portion repairing dental treatment of the whole mouth teeth missing. 骨内两段式牙种植体在现有技术中是众所周知的,而种植体不同的连接方式、种植体主体形状、种植体的表面结构以及平台转换形式等设计对其临床应用产生的影响,越来越得到重视。 Two-stage endosseous dental implants are well known in the prior art, designed to affect the clinical application generating different implant connection, the shape of the implant body, the surface structure of the implant and a converted form like platform, the to get more attention. 合理的 reasonable

牙种植体设计, 一般应考虑以这样几个方面的问题:1、种植体与上部基台的连 Dental implant design, should generally be considered in the following aspects of the problem: even an implant with an upper portion of the base

接结构设计;2、防旋设计;3、种植体主体形状设计;4平台转换形式设计。 Contact design; 2, the anti-rotation design; 3, shaped to implant body; internet converter 4 form design.

在本发明以前的现有技术中,常用的种植体系统有Branemark、 Nobel Biocare、 ITI、 3i、 Frialit-2、匿-TwinPlus、 Lifecore、 Camlog等产品。 In previous prior art of the present invention, conventional implant system Branemark, Nobel Biocare, ITI, 3i, Frialit-2, hide -TwinPlus, Lifecore, Camlog other products. 但各自都存在一定的缺陷。 But each have some defects. 例如:①在种植体与上部基台的连接结构设计方面,插入部分的长短对传递分散咬合力有很大的影响。 For example: ① in the structural design of the implant and connected to the upper portion of the base aspect, the length of the insertion portion of the bite force transmitted dispersion has a great influence. 目前常用的种植体系列不管是内插式还是外插式设计,上部基桩插入种植体部分的长度从0. 7mm〜2. 5咖不等。 The most commonly used implants series either interpolated or extrapolated design, the upper portion of the foundation pile inserted implant length ranging from 0. 7mm~2. 5 coffee. 而如果插入深度不够长,容易造成植体与基台接口处的微动、中心螺丝应力集中, 易折断。 If the insertion depth is not long enough, fretting is likely to cause the base body and the implant at the interface, stress concentration centers screws, frangible. 在设计插入部分的长度时,外插式因受穿龈的限制而插入部分设计过短, 如Branemark、 Osstem、 Biohorizons、 Sweden—martina、 Biolok、 31、 TBR等禾中植体产品,以及US2001004519A1、 US6857874B2、 US6997711B2、 US6626911B1、 US6994547B1等专利文献所披露的设计。 In designing the length of the insertion portion, restriction due to extrapolation formula is inserted into the transgingival part of the design is too short, such as Branemark, Osstem, Biohorizons, Sweden-martina, Biolok, 31, TBR other grain products in the explants, and US2001004519A1, US6857874B2, US6997711B2, US6626911B1, US6994547B1, etc. as disclosed in Patent Document design. 虽然内插式插入部分可设计较长可达2.5ram〜30rara,但受植体直径等设计因素的限制,较细种植体因考虑上部结构的强度无法设计成内插式,也有不少内插式插入部分设计太短,如Alpha-bio、 BEGO、 Biohorizons、 Zi國er、 TBR等种植体产品,以及W02006109176A1、 US20060172257A1、 US7249949B2、 US7104797B2、 W02006088291A1、 W02006012273A1、 US6283753B1、 W02005067811A1等专利文献所披露的的设计。 Although the add-up to the insertion portion may be designed longer 2.5ram~30rara, but is limited by design considerations and other implant diameter, smaller implants due consideration of the strength of the upper structure can not be designed to be interpolated, there are many interpolation inserter short part of the design, such as Alpha-bio, BEGO, Biohorizons, Zi country er, TBR implants and other products, and W02006109176A1, US20060172257A1, US7249949B2, US7104797B2, W02006088291A1, W02006012273A1, US6283753B1, W02005067811A1 the like disclosed in Patent Document design . ②在防旋设计方面,现有技术的防旋设计大部分都暴露在植体肩台上口,如Nobel R印lace等种植体,以及W02006012236A3、 W02005067811A1、 DE20022420U1、 US7014464B2、 W02006109176A1、 US7309231B2、 US20060199151A1、 USD446859S、 US7108510B2、 US005823776A等专利文献所披露的的设计,其缺陷是:如果拧入一段式实心基台时,就位后会造成植体肩台上口与基台连接不严密而存在有空隙,给病菌病毒留下了生存的空间。 ② anti-rotation design in the prior art design of most of the anti-rotation explants exposed above the shoulder mouth, such as implants and the like Nobel R lace printing, and W02006012236A3, W02005067811A1, DE20022420U1, US7014464B2, W02006109176A1, US7309231B2, US20060199151A1, USD446859S, US7108510B2, US005823776A the like disclosed in Patent Document design defects is: if the screwed-segment solid base, the position above the shoulder will cause the explants port connected to the imprecision of the base there is a gap, leaving room for bacteria viruses to survive. 另外,植体与基台内插式连接时防旋结构为六方或八方时,则防旋结构的数量过多,易造成内部结构的间隙过多, 给病菌病毒留下了生存的空间,且基台(尤其是角度基台)就位时确定方向较费时0如ITI、 Brane腿rk、 Frialit-2等种植体,以及US6663388B1、 US005947733A、 EP1679049A1、 US7104797B2、 US20040209226A1等专利文献所披露的的设计。 Further, the implant body and the plug-base anti-rotation structure is a hexagonal connection or Plus, the amount of excessive rotation preventing structure, easily lead to excessive internal configuration of the gap, leaving the virus to bacteria living space, and a base (especially a base angle) is determined as the direction of more time-consuming 0 ITI, Brane legs rk, Frialit-2 implants and the like, and US6663388B1, US005947733A, EP1679049A1, US7104797B2, US20040209226A1 disclosed in Patent Document and other design-time position. ③ 现有技术的设计中,植体颈部大多是光滑面,如US20070111164A1、 DE20022420U1、 US7309231B2、 US20060199151A1、 US20060172257A1、 W02005067811A1、 W02006012273A1、 US20060172257A1、 US7014464B2、 US7108510B2、 US6659770B2、 US7249949B2、 US6733291B1等专利文献所披露的的设计,缺陷是,不利于皮质骨的早期固位和骨结合。 ③ prior art designs, mostly explants neck smooth surface, such as US20070111164A1, DE20022420U1, US7309231B2, US20060199151A1, US20060172257A1, W02005067811A1, W02006012273A1, US20060172257A1, US7014464B2, US7108510B2, US6659770B2, US7249949B2, US6733291B1, etc. disclosed in the Patent Document design defects are not conducive to early retention cortical bone and osseointegration. ④现有技术的设计中,植体与基台连接处普遍设计为二者边缘对齐,而根据我们的基础研究和临床实践证明,在二者连接处,当基台的外径小于植体的内径时,基台边缘在植体上口形成台阶即平台转换形式,使植体周围牙龈上皮袖口封闭更为可靠,避免微动和微渗漏造成的骨吸收。 ④ the prior art design, the base station Explants generally designed as two joint edge alignment, and to prove our basic research and clinical practice, both at the junction, when the outer diameter is smaller than the base of the explant when the inner diameter, the base edge of the upper opening forming step explants internet i.e. a converted form the surrounding gingival epithelial explants cuff closed more reliably, and to avoid bone resorption fretting caused microleakage.

发明内容: SUMMARY:

针对上述现有技术中的缺陷,本发明的目的在于:提供一种具有应力分散、 For the above-described prior art drawbacks, an object of the present invention is: to provide a stress dispersion,

就位严谨,强度高、植体上口严密、可加强皮质骨的早期固位、旋入植体方便快捷、可避免骨吸收的牙科种植体。 Place rigorous, high strength, tight catchy explants, can enhance the retention of early cortical bone, screwed into the implant body convenient, to avoid dental implant bone resorption.

现将本发明构思及技术解决方案叙述如下:一种符合临床医学要求的牙科种植体系统,在其连接结构的设计上要达到植体与上部基台连接紧密牢固、与牙槽骨结合强度大,并具有抗旋转以及传递分散咬合力的功能,植体与基台的结构上应设计有效防旋结构。 The present invention will now be contemplated and technical solutions described as follows: dental implant system meet the clinical requirements in the design of the structure connecting the body to reach the upper implant abutment connection are tight, high strength combined with alveolar , and the transmission and having an anti-rotation function bite force dispersion, the structure should be designed on the base of the explant and effective anti-rotation structure. 骨结合式种植体的螺纹形状、螺距等设计的优劣直接影响种植义齿的修复成功及远期效果。 ADVANTAGES AND DISADVANTAGES type of bone implant thread shape, pitch and other design of implant denture repair a direct impact on the success and long-term effects.

基于上述设计构思的考虑,本发明设计的口腔牙科种植体,包括植体部IO、 基台部20和中心定位螺栓34,植体部10的外周为圆柱螺旋体,通过螺纹与牙槽嵴结合,基台部20安装在植体部10的内孔9内,其特征在于:植体部10外周圆柱螺旋体分为三段,上段为植体肩台部ll,中段为植体主体部12,下段为植体锥体部17,植体部10外周圆柱螺旋设计三段的长度比为0.8〜1.2: 6〜9: 1. 5〜2. 5;植体部10内具有可插入基台部20以形成内插管套式连接的内孔9; 内孔9分为三段,上段为锥形部分13,中段是植体内孔深部5,下段是直径小于中段的植体内螺纹4,植体内孔9三段的长度比为0.5〜1.5: 1〜2: L5〜2.5; 基台部20是一个外周从上到下依次为倒锥形、正曲线形、正锥形和圆柱形的旋转体,其中心是可安装中心定位螺栓34的带通孔的旋转体;倒锥形圆台25的下方有一个坡口28与倒锥形 Based on the above design concept considerations, the present invention contemplates oral dental implant, comprising a implant body the IO, the base portion 20 and a centrally located bolt outer periphery 34, implant body 10 is a cylindrical coil body, by binding threads alveolar ridge, the base portion 20 is mounted in the inner hole explants portion 10 9, characterized in that: an implant portion 10 the outer periphery of the cylindrical coil body is divided into three sections, the upper section of explants shoulder portion ll, the middle as the implant main body portion 12, and the lower a cone portion 17 of the explants, the explants cylindrical outer circumferential portion 10 than the length of the spiral design of 0.8~1.2 three sections: 6~9: 5~2 1. 5; 10 has a base portion 20 insertable portion explants in the hole formed cannula sleeve connection 9; inner hole 9 is divided into three sections, the upper tapered portion 13, the middle is implanted in vivo depth of the hole portion 5, the lower section having a diameter smaller than the middle of the implant body thread 4, implant body bore the length ratio of three sections 9 0.5~1.5: 1~2: L5~2.5; base portion 20 is an outer periphery of a top to bottom is inverted conical, curvilinear n, n-conical and a cylindrical rotary member, its center is a rotating body 34 with the through hole may be centrally positioned mounting bolt; below the inverted cone frustum 25 has a groove 28 with a reverse taper 圆台25共同伸入牙冠40中,且坡口下沿29与正曲线形圆台24上沿相接,正曲线形圆台24的下沿是植体部上口19与基台部的接口处22,正曲线形圆台24的下沿与正锥形圆台23的上沿相接,正锥形圆台23的锥度与植体部内孔9的上段13相一致,正锥形圆台23的下沿与圆柱形圆台31 的上沿相接,圆柱形圆台31上设有三个与植体部花瓣式结构14相嵌配合的突台30,正锥形圆台23和圆柱形圆台31构成插入植体部的插入段21;基台插入段21直达植体部内孔深部5。 Crown 25 projects into the circular table 40 together, and the lower groove 24 along the upper edge 29 in contact with the curved round table n, n curved along the circular table 24 is the interface of the implant body portion 19 and the upper opening of the base portion 22 , n curvilinear circular table lower edge 24 and the forward tapered frustum 23 along the contact, the positive taper taper-bore explants part circular table 23 of the segment 13 coincides 9, is conical frustum 23 of the lower edge of the cylindrical a round-shaped contact base 31 along the cylindrical rotary table is provided with three explants petal structure 14 fitted with projections 31 on the table 30, the circular table 23 and the forward tapered cylindrical configuration circular table 31 is inserted into the insertion portion explants section 21; section 21 is inserted into the base portion explants direct deep hole 5.

如上所述的管套防旋牙科种植体,其特征还在于:肩台部ll的螺纹为圆螺纹15,螺距参数为1.8〜2.2mm、齿高0. 4〜0. 6mm;植体主体部12的双螺纹16 为三角螺纹,其中大螺纹参数为螺距7〜9mm、齿高2. 8〜3. 2mm,牙形角为60° , 小螺纹参数为齿高0.8〜1.2mm;植体锥体部17的螺纹参数同主体部,锥度角度为8°〜12° ,锥体部17上开有3个自攻槽18。 Sleeve anti-rotation dental implant as described above, further characterized in that: the thread shoulder portion ll is a round thread 15, the pitch parameter is 1.8~2.2mm, the tooth height 0. 4~0 6mm; explant body portion. thread 16 is a double-triangular thread 12, which is a large pitch thread parameters 7~9mm, tooth height 2. 8~3 2mm, tooth-shaped angle is 60 °, a small tooth height of thread parameters 0.8~1.2mm;. explant cone parameter threaded body portion with the body portion 17, the taper angle of 8 ° ~12 °, there are three open grooves 18 on self-tapping conical portion 17.

如上所述的管套防旋牙科种植体,其特征还在于:在植体部内孔9的上段与中段位置设有三个防止基台部旋转的花瓣式结构14,花瓣式结构14的花瓣数不大于3个。 Sleeve anti-rotation dental implant as described above, further characterized in that: there are three petals to prevent the base portion of the rotary structure 14 petals, petal structure 14 is not in the middle position of the upper hole portion 9 of the explant greater than three. 如上所述的管套防旋牙科种植体,其特征还在于:植体部内孔9的上段锥度 Sleeve anti-rotation dental implant as described above, further characterized in that: the inner bore tapered upper portion explants 9

为10°〜12° ;中段植体内孔深部5是长2.3〜2.7ram,直径为2.2〜2.6mm的圆柱形面;植体下段内螺纹4的直径小于中段。 Of 10 ° ~12 °; middle implant body portion 5 is long hole depth 2.3~2.7ram, the diameter of the cylindrical surface 2.2~2.6mm; the inner diameter of the lower section 4 is smaller than the thread explants middle.

如上所述的管套防旋牙科种植体,其特征还在于:基台还可为一实芯基台50,其底部可增设一段具有外螺纹的加长段49与植体下段内螺纹4旋接固定。 Sleeve anti-rotation dental implant as described above, further characterized in that: a base station may also be a solid core base 50, the lower section of the bottom thereof can be added with an external thread 49 and the extension section 4 is screwed the threaded implant body fixed.

如上所述的管套防旋牙科种植体,其特征还在于:基台部20正曲线形圆台24的下沿接口处22与植体部上口19形成一个平台转换形式8。 Sleeve anti-rotation dental implant as described above, further characterized in that: n 20 curved base portion 24 of the rotary table 22 along the interface with the implant body portion 19 is formed a catchy platform 8 a converted form.

本发明同现有技术相比的优点在于- Advantage of the invention compared with the prior art in that -

1、 连接结构:管套式连接,传递分散咬合力及分散中心定位螺栓应力功能, 避免中心定位螺栓折断。 1, the connecting structure: connection sleeve, and bite force transmitting dispersed centering bolt stress dispersion function to avoid centering bolts broken.

2、 植体内孔与基台插入段有部分锥面接触,就位严密,增加强度。 2, planting hole and the base body of the insertion section has a tapered surface contacting portion, place strict increase strength.

3、 防旋设计:三花瓣防旋设计不暴露在植体上口,即可以连接防旋基桩, 又可以旋入一段式实心基桩,实心基桩旋入后植体上口严密无间隙。 3, the anti-rotation design: three petal design is not exposed to the anti-rotation catchy explant, which can be connected to an anti-rotation foundation pile, and can be screwed into the solid foundation pile-segment, solid foundation pile screwed into the implant body closely without gaps catchy . 而花瓣数减少避免了内部结构的间隙过多,且就位准确。 While reducing the number of petals avoid excessive internal configuration of the gap, and position accurately.

4、 植体肩台部位细螺纹,可增大在应力集中的皮质骨边缘植体与骨组织的接触面积,保留骨组织,减少不必要的丢失,加强皮质骨的早期固位。 4, the shoulder portion of the explant fine thread, stress concentration may be increased in the area of ​​the contact edge of the cortical bone bone tissue explant and retain bone, to reduce unnecessary loss of cortical bone to strengthen the retention of early.

5、 植体主体部分双螺纹,增加植体的骨结合,且旋入植体更方便快捷。 5, explants are double-threaded body portion, in conjunction with increased bone explants, and screwed into the implant body is more convenient.

6、 植体部与基台部连接形成的台阶即平台转移形式设计,使植体周围牙龈上皮袖口封闭更为可靠,避免微动和微渗漏造成的骨吸收。 6, the stepped portion and the explants formed in the base portion that is connected to the transfer platform designed in the form, so that the surrounding gingival epithelial explants cuff closed more reliably, and to avoid bone resorption fretting caused microleakage.

附图说明 BRIEF DESCRIPTION

图l: 本发明牙科种植体三部件示意图 FIG. L: a schematic view of a three-part dental implant according to the present invention

图2: 种植体植入牙冠示意图 Figure 2: a schematic implant crown

图3: 种植体植体部示意图 Figure 3: a schematic view of the implant portion explants

图4: 种植体植体部花瓣式结构示意图 Figure 4: Implant explants petal schematic structure

图5: 种植体植体部剖面示意图 FIG 5: a schematic cross-sectional portion implant explant

图6: 种植体植体部上部内孔俯视图 Figure 6: an upper portion of the implant hole portion plan view explants

图7: 种植体植体部下部椎体横截面剖视图 Figure 7: a sectional view of a sectional portion lower vertebral implant explant cross

图8: 基台部外形示意图 Figure 8: a schematic outline of the base portion

图9: 中心定位螺栓外形示意图图10:种植体三部件装配结构剖视图 Figure 9: a schematic view outline centering bolt 10: three implant sectional view of the assembly structure member

图ll:实芯基台外形图 FIG. Ll: Solid base outline in FIG.

图12:实芯基台圆锥体表面凹槽示意图 Figure 12: Solid-conical abutment surface of the groove schematic

图13:植体部与实芯基台部装配结构剖视图 FIG 13: an implant portion and the base portion of the solid core cross-sectional view of the mounting structure

图14 (上):空心基台圆锥体表面凹槽示意图 FIG 14 (a): a schematic view of a hollow-conical abutment surface of the groove

图14 (下):实芯基台圆锥体表面凹槽示意图 Figure 14 (bottom): a solid core conical abutment surface of the groove schematic

图15:植体部三角形双螺纹放大示意图 FIG 15: an implant portion enlarged view of a triangular double threads

其中:4植体下段内螺纹5植体部内孔深部6牙槽骨7牙龈8台阶 Wherein: the hole 4 explant segments in the threaded portion 5 explants deep alveolar 6 7 8 gums step

9植体部内孔IO植体部ll植体肩台部12植体主体部13植体内孔圆锥体部分M花瓣式结构15肩台部细螺纹16三角形双螺纹17植体椎体部18自攻槽19植体上口平台20基台部21基台插入段22正曲线形圆台下沿23正锥形圆台24正曲线形圆台25倒锥形圆台26圆锥体表面27凹槽28坡口29坡口下沿30突台31圆柱形圆台32基台下口33基台上口34中心定位螺栓35六花凹槽36中心定位螺栓下部螺纹40牙冠41 基台圆锥体表面42凹槽43切面49实芯基台下部螺纹50实芯基台具体实施方式 9 explants inner bore portion ll IO explants Explants shoulder portion 12 body portion 13 explants Explants vivo well round cone petal structure M 15 fine thread 16 shoulder portion 17 triangular double threaded portion 18 of vertebral body implant self-tapping explants catchy groove 19 of the base platform 20 of the base portion 21 is inserted into a circular curved section 22 n audience along the conical frustum 24 23 n n curvilinear inverted conical frustum 25 26 27 circular truncated conical recess 28 bevel surface 29 ledge 30 along the circular groove 31 of the cylindrical base station 32 on a base 33 audience port opening 34 centrally located bolt 35 spend six bolts 36 of the central recess 40 a lower threaded crown 41 recess 42 base surface 43 conical section 49 solid threaded base portion 50 of solid core audience base DETAILED DESCRIPTION

现结合附图对本发明作进一步说明 DRAWINGS Now the present invention will be further described

参见图l、图10:本发明管套放旋牙科种植体具有植体部10、基台部20和中心定位螺栓34,植体部10的外周为圆柱螺旋设计,基台部20以管套形式安装在植体部的内孔9中,中心定位螺栓34将二者连成一体。 Referring to FIG. L, FIG. 10: the socket of the present invention, the discharge screw dental implant having a implant body portion 10, the base portion 20 and a centrally located screw 34, the outer periphery of the explant portion 10 is a cylindrical spiral design, the base portion 20 to the shroud in the form of mounting hole 9 of the implant body portion, a centrally located bolt 34 both integrally connected.

参见图2:植体主体部12的三角形双螺纹16除加大植体与牙槽骨6的结合力及结合面积外,可使旋入植体部的手术操作更方便快捷,植体椎体部17在手术旋入植体时具有引导作用使植体方便植入,自攻槽18以切削骨壁并使切削的骨屑收纳其中。 Referring to Figure 2: a triangular double thread 16 of the implant main body portion 12 in addition to increased alveolar bone explants and the binding force of the binding area of ​​6, the surgeon can implant is screwed into the body portion more convenient, vertebral body implant portion 17 a guiding role in the operation that the screwing explants explants easily implanted, self-tapping and cutting groove 18 to cut bone wall of bone chips accommodated therein. . .

参见图3、图15:植体部IO外周圆柱螺旋分为三段;上段为植体肩台部11, 肩台部11上设有细螺纹15,螺纹参数为螺距2mm、齿高0.5咖;中段为植体主体部12,植体主体部12上设有三角形双螺纹16,其中大螺纹参数为螺距8mm、 齿高3mm,牙形角为60° ,小螺纹参数齿高l画;下段为植体椎体部17,植体椎体部17的螺纹参数同主体部,锥度角度为10度,椎体部17上开有3个自攻槽18;植体部外周圆柱螺旋设计三段的长度比为1: 8: 2;这样的螺纹设计在肩台部的细螺纹可增加皮质骨的早期固位、增大在应力集中的皮质骨植体与骨组织的接触面积,在制备种植窝时减少不必要的骨组织的丢失。 Referring to FIG. 3, FIG. 15: Explants portion IO periphery of the cylindrical coil is divided into three sections; upper segment explants shoulder portion 11, shoulder portion provided with a fine thread 15 on 11, thread parameters of pitch 2mm, tooth height 0.5 coffee; middle of implant main body portion 12, the implant main body portion 12 is provided with a triangular double threads 16, wherein the large thread parameters of pitch 8mm, tooth height 3mm, tooth-shaped angle is 60 °, a small thread parameters tooth height l Videos; lower segment 17 explants, the explants vertebral body portion 17 with a threaded body portion parameters, the angle of the taper portion of the vertebral body 10 degrees, there are three open grooves 18 on self-tapping portion 17 vertebral body; explant periphery of the cylindrical portion of the three-stage design of the coil length ratio of 1: 8: 2; thread design such early increase in cortical bone retaining fine thread shoulder portion, stress concentration in the contact area of ​​cortical bone implant body and the bone tissue, in the manufacture of osteotomy when reducing the unnecessary loss of bone tissue.

参见图l、图3、图5:植体上口内平台19具有可插入基台部20以形成内 Referring to FIG. L, FIG. 3, FIG. 5: the plant catchy platform body 19 having a base portion 20 may be inserted to form the

插管套式连接的内孔9,内孔9分为三段,上段为带有ir椎体面使基台连接更密合的圆锥体部分13,中段植体部内孔深部5是长2. 5鹏;直径为2. 4mm的圆柱体面,用以延长内孔深度,最大限度的加长植体与基台的管套连接,下段在植体内孔深部设有与中心定位螺栓34或实心基台50螺栓部分49相旋结的植体下段内螺纹4 (参见图5),植体内孔9三段的总长度为7.0mra,与基台插入段21形 Connection bore cannula sleeve 9, the inner hole 9 is divided into three sections, the upper surface of the vertebral body with the base station ir cone connect more adhesion portion 13, middle portion explants deep hole 5 2 is long. 5 Peng; 2. 4mm diameter cylindrical surface, and to extend the depth of the hole, the maximum elongated explants connected to the base of the sleeve, the lower portion of the deep hole in the implant body is provided with a centrally located bolt 34 or the solid base 50 bolt portion 49 is screwed junction explants internally threaded section 4 (see FIG. 5), the total length of the three sections 9 vivo explants hole 7.0mra, the shaped section 21 is inserted into the base

成较长的管套连接,三段的长度比为l: 1.6: 2;植体内孔9中段位置的圆柱体 Into a longer tube connector sleeve, the length ratio of three sections l: 1.6: 2; 9 middle position cylindrical implant body bore

表面等份设有三个与基台部突台(30)相应的高0.3mm、直径为0. 8mm的防止基台部旋转的花瓣式结构14,且花瓣式结构14最多为3个,可尽量减少植体与实芯基台50管套连接时内部结构的间隙,且基台就为时方向明确。 Aliquots of the surface of the base portion is provided with three projections (30) corresponding high 0.3mm, a diameter of 0. 8mm petal structure preventing rotation of the base portion 14, and the petal structure 3 up to 14, can try reduced connection clearance of the internal structure of the solid body and the implant core 50 sets the base station, and the base station will be too clear direction.

参见图1、图2、图8、图10:基台部20是一个外周从上到下依次为倒锥形、 正曲线形、正锥形和圆柱形的旋转体,带锥形圆台25锥度角度为5° ,形成合理的就位道,以方便牙冠就位。 Referring to FIG. 1, FIG. 2, FIG. 8, FIG. 10: base portion 20 is an outer periphery of a reverse tapered shape from top to bottom, is curved, forward tapered and a cylindrical rotating body with a conical frustum taper 25 an angle of 5 °, to form a reasonable track position, to facilitate crown position.

参见图2图8、图14的上图:在圆锥体表面26有一凹槽27与基台20的插入段21的的防旋转花瓣式结构的其中一个突台30相对应(图8),以方便插入基台20时对位定位,并有防止牙冠旋转的作用;倒锥形圆台25的下方有一个角度为45°的坡口28,是牙冠在基台的基底位置,与倒锥形圆台25共同伸入牙冠40中,牙冠40基底与坡口下沿29严密对河(图2、图8);正曲线形圆台24 是基台穿过牙龈7的部分,根据牙龈7不同厚度设计不同的长度。 Referring to FIG. 2 to FIG on FIG. 8, FIG. 14: the cone surface 26 has a recess 27 and preventing the insertion section of the base 21 of the rotary wherein petal configuration of a boss 30 corresponding to the (FIG. 8), to facilitate insertion position when base 20 is positioned, and the role of preventing rotation of the crown; below the inverted cone frustum 25 has an angle of 45 ° bevels 28, crown is the substrate position in the base, and inverted cone shaped joint 25 projects into the circular table crown 40, the crown 40 and the base 29 along the groove close to the River (FIG. 2, FIG. 8); n is a curved circular table 24 through the gum base portion 7, 7 according to the gums design of different thicknesses of different lengths.

参见图2、图8:正曲线形圆台24的上沿与坡口下沿29相接,下沿22在植体和基台二者管套连接时与植体部上口平台19在同一平面上的接口,该接口22 与植体部上口平台19形成了一个台阶8,即平台转换形式。 Referring to FIG. 2, FIG. 8: the positive curved along the circular table 24 with the groove 29 along the contact, the body portion 22 and catchy internet implant 19 in the same plane when both the explant and the base connected to the lower edge of shroud interface, the interface portion 22 with the implant body 19 formed of a catchy internet step 8, i.e. a converted form the platform. 在传统和现有技术中,种植体的植体与基台直径相同,两部分相互连接时因边缘是对齐的,造成了种植体上口周围骨边缘与植体一基台连接处距离很小,而基台的微动和牙周袋微渗漏使基台与植体间的边界层容易受细菌侵润,这种浸润会导致发炎的结缔组织区域的持续存在,造成牙槽骨顶部骨吸收和牙周炎的发生,从而进一步促进炎症外径大于基台接口处22的直径时,即连接比植体上口平台尺寸略小的基台,使植体与基台二者连接后其边缘不对齐而是形成一个台阶8,从而扩大了周围骨与基底底座间的距离,加大了种植体周围的生物学宽度,减少种植体平台,义齿连接被推向种植体中部,使植体周围牙龈7上皮袖口封闭更为严密可靠,增大了软组织量,增加了对种植体平台周围软组织的血液供给,避免造成牙槽嵴顶部骨吸收和牙周炎的发生,使种植体 In the conventional and prior art implant of the same diameter of the base body and the implant, when the two parts are interconnected by the edges are aligned, the resulting implant bone surrounding the upper opening edge is connected to a base station of the explants small distance , fretting and the periodontal pocket microleakage boundary layer between the base station and the base station explants susceptible to bacterial invasion, this infiltration can cause persistent inflammation of connective tissue in the region, causing the top of the alveolar bone and periodontitis absorption occurs, so as to further promote inflammation outside diameter greater than the diameter of the base station interface 22, i.e., connecting the upper opening slightly smaller than the size of the platform explants base, so that both the implant body and which is connected to the base station the edges are not aligned but form a step 8, thereby enlarging the distance between the base substrate and surrounding bone, increase the biological width around the implant, the implant platform reduced denture connector is pushed toward the middle of the implant, that the implant body 7 around the gingival epithelium reliable cuff tighter closure, soft tissue volume increases, the increased blood supply to the soft tissue implant platforms, to avoid the occurrence of the top of alveolar bone resorption in periodontitis and the implant 周围组织具有更大稳定性。 The surrounding tissue with greater stability.

参见图l:正曲线形圆台24的下沿与正锥形圆台23的上沿相接,正锥形圆台23的锥度与植体部内孔9的上端一致,ir的锥面接触使二者连接更严密, 正锥形圆台23与圆柱形圆台31的上沿相接,圆柱形圆台31上设有三个与植体部花瓣式结构14相嵌配合的突台30,正锥形圆台23和圆柱形圆台31构成插入植体部的插入段2L Referring to Figure l: n curved along the circular table 24 with a positive conical frustum 23 along the contact, consistent with the upper end of the tapered forward tapered bore 23 explants truncated cone portion 9, so that the two tapered surfaces of the contact connection ir more closely, the circular table 23 and the forward tapered truncated cone 31 on the cylindrical contact along the cylindrical rotary table is provided with three explants petal structure 14 fitted with projections 31 on the table 30, the circular table 23 and the forward tapered cylindrical truncated cone shaped section 31 constituting the insertion portion of the insertion explants 2L

参见图8:花瓣式防旋结构14设计在插入段21中部而不暴露在植体部上口平台19,可避免不设有三花瓣防旋结构设计的一段式实芯基台50拧入就位后植体上口平台19出现空隙,防止在此间隙内遗留残物和滋生细菌。 Referring to Figure 8: petal anti-rotation structure 14 is designed in the middle of the insertion section 21 is not exposed at the upper opening portion explants platform 19, may avoid some of formula solid core provided with three petals base design of anti-rotation structure 50 is screwed into place after the explants catchy voids internet 19, to prevent the gap in the residue was left and bacteria. 基台插入段21 直达植体部内孔9深部5,使二者形成管套连接防止微动且更牢固。 Direct insertion section 21 of the base inner hole portion 9 explants deep portion 5, so that the two form a sleeve connection preventing fretting and stronger.

参见图9、图10:中心定位螺丝34经基台上口33贯通穿出基台下口32, 螺栓部分36拧入植体下段内螺纹4,中心定位螺丝上段六花凹槽35方便工具扳手拧入。 Referring to FIG. 9, FIG. 10: the center screw 34 by the abutment opening 33 through piercing the base station down port 32, the bolt part 36 is screwed into the implant body is internally threaded lower section 4, a centrally located screw upper six flowers recess 35 a convenient tool wrench into .

参见图11、图12、图13:基台部的三段式旋转体也可为一实心体的旋转体, 实芯基台50不设有防旋转的花瓣式结构,而其他特征相同。 Referring to FIG 11, FIG 12, FIG. 13: three-rotating body portion may also be the base body is a solid body rotation, solid core base 50 is not provided with anti-rotation structure of the petals, and other features of the same.

参见图12、图13、图14的下图:在实芯基台50圆锥体表面41上设有凹槽42,与之对称面有切面43,凹槽42和切面43的设计既固定工具扳手方便拧入又对牙冠起到防止旋转的作用。 Referring to FIG 12, FIG 13, FIG. 14 lower: a solid core is provided in the base 50 on conical surface 41 recess 42, has a section with a plane of symmetry 43, 42 and design the grooves 43 cut both fixing tool wrench conveniently screwed on and acts to prevent rotation of the crown.

Claims (4)

1、一种管套防旋牙科种植体,包括植体部(10)、基台部(20)和中心定位螺栓(34),植体部(10)的外周为圆柱螺旋体,通过螺纹与牙槽骨结合,基台部(20)安装在植体部(10)的内孔中,其特征在于:植体部(10)外周圆柱螺旋体分为三段,上段为植体肩台部(11),中段为植体主体部(12),下段为植体锥体部(17),椎体部(17)上开有3个自攻槽(18);植体部(10)外周圆柱螺旋设计三段的长度比为0.8~1.2∶6~9∶1.5~2.5;植体部(10)内具有可插入基台部(20)以形成内插管套式连接的内孔(9);内孔(9)分为三段,上段为锥形部分(13),中段是植体内孔深部(5),下段是直径小于中段的植体内螺纹(4),植体内孔(9)三段的长度比为0.5~1.5∶1~2∶1.5~2.5;在植体部内孔(9)的上段与中段位置设有防止基台部旋转的花瓣式结构(14);基台部(20)是一个外周从上到下依次为倒锥形、正曲线形、正锥形和 A shroud anti-rotation dental implant, comprising a implant body portion (10), the base portion (20) and centering bolts (34), the outer periphery of explants portion (10) is a cylindrical spiral, through the thread tooth groove osseointegration, the base portion (20) is mounted in the hole implant body (10), characterized in that: an implant portion (10) the outer periphery of the cylindrical coil body is divided into three sections, the upper section of explants shoulder portion (11 ), the middle of implant main body portion (12), the lower segment explants cone portion (17), vertebral portion opened three self-tapping grooves (18) (17); implant body portion (10) the outer periphery of the cylindrical coil design of three sections of a length ratio of 0.8 to 2.5 1.2:6 ~ ~ 9:1.5; implant body portion having an internal bore (9) can be inserted into the base portion (20) to form a cannula sleeve in the connection (10); the bore (9) is divided into three sections, the upper tapered portion (13), the middle is implanted in vivo depth of the hole portion (5), the lower is implanted in vivo thread diameter smaller than the middle section (4), implanted in vivo hole (9) three sections the length ratio of 1.5 ~ 0.5 ~ 2.5 ~ 2:1.5; petal structure is provided to prevent (14) rotation of the base portion in a middle position of the implant body segment portion with the hole (9); a base portion (20) an outer periphery of a reverse taper from top to bottom, is curved, tapered, and n 柱形圆台的旋转体,其中心是可安装中心定位螺栓(34)的通孔;圆柱形圆台(31)上设有与植体部花瓣式结构(14)相嵌配合的突台(30),正锥形圆台(23)和圆柱形圆台(31)构成插入植体部的插入段(21);基台插入段(21)直达植体部内孔深部(5);基台部(20)正曲线形圆台(24)的下沿接口处(22)与植体部上口平台(19)形成了一个台阶(8)即平台转换形式;肩台部(11)的细螺纹为圆螺纹(15),螺纹参数为螺距1.8~2.2mm、齿高0.4~0.6mm;植体主体部(12)的螺纹为三角形双螺纹(16),其中大螺纹参数为螺距7~9mm、齿高2.8~3.2mm,牙形角为60°,小螺纹参数为齿高0.8~1.2mm;植体锥体部(17)的螺纹参数同主体部,锥度为8~12°。 The cylindrical rotating body round table, which is mounted centrally located center bolt (34) of the through hole; rotary table is provided with a cylindrical portion explants petal structure (14) fitted with the boss (30) (31) , n-conical frustum (23) and a cylindrical circular table (31) constituting the inserted insertion section (21) implant body portion; base insertion section (21) direct explants inner depth of the hole portion (5); a base portion (20) n curvilinear circular table (24) of the lower edge at the interface (22) and the implant body portion catchy platform (19) forming a step (8) i.e. internet converted form; fine thread shoulder portion (11) is a round thread ( 15), the thread pitch parameter is 1.8 ~ 2.2mm, the tooth height 0.4 ~ 0.6mm; explant threaded body portion (12) is a triangular double thread (16), wherein the parameter is a large pitch thread 7 ~ 9mm, tooth height of 2.8 ~ 3.2mm, tooth-shaped angle is 60 °, a small tooth height thread parameters of 0.8 ~ 1.2mm; explant cone portion (17) with the main body portion of thread parameters, taper 8 ~ 12 °.
2、 根据权利要求1所述的管套防旋牙科种植体,其特征在于:基台部(20) 倒锥形圆台(25)的下方有一个坡口(28)与倒锥形圆台(25)共同伸入牙冠(40) 中,且坡口下沿(29)与正曲线形圆台(24)上沿相接,正曲线形圆台(24)的下沿是植体部上口平台(19)与基台部(20)的接口处(22),正曲线形圆台(24) 的下沿与正锥形圆台(23)的上沿相接,正锥形圆台(23)的锥度与植体部内孔(9)的上段相一致,正锥形圆台(23)的下沿与圆柱形圆台(31)的上沿相接。 2, according to claim shroud anti-rotation dental implant of claim 1, wherein: the base portion (20) beneath the inverted conical frustum (25) has a groove (28) with an inverted cone frustum (25 ) extends into the common crown (40), and the lower groove edge (29) and the positive curved circular table (24) in contact, is curved circular table (24) along the lower portion explant is catchy platform ( 19) at the interface with the base portion (20) (22), is curved circular table (24) lower edge and the upper n-conical frustum (23) along a contact, forward tapered circular table (23) tapers and the lower edge of the cylindrical circular table (31) coincides with the upper portion explants bore (9), is tapered circular table (23) along the contact.
3、 根据权利要求2所述的管套防旋牙科种植体,其特征在于:在植体部内孔(9)的上段与中段位置设有防止基台部旋转的花瓣式结构(14)的花瓣数不大于3个。 3, according to claim shroud anti-rotation dental implant of claim 2, wherein: petal structure is provided to prevent the petals (14) of the base portion in a rotational position of the middle section of the implant body bore portion (9) number of not more than 3.
4、 根据权利要求3所述的管套防旋牙科种植体,其特征在于:植体部内孔(9)的上段锥度为IO。 4, according to claim shroud anti-rotation dental implant of claim 3, wherein: an implant bore portion (9) of the upper taper of IO. 〜12° ;中段植体内孔深部(5)是长2.3〜2.7隱,直径为2.2〜2.6mm的圆柱形面;植体下段内螺纹(4)的直径小于中段。 ~12 °; vivo explants middle depth of the hole portion (5) is hidden 2.3~2.7 long diameter of the cylindrical surface 2.2~2.6mm; internally threaded lower explants (4) is smaller than the diameter of the middle.
CN 200810150019 2008-06-12 2008-06-12 Pipe sleeve anti-rotary dentistry implant CN100591300C (en)

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CN 200810150019 CN100591300C (en) 2008-06-12 2008-06-12 Pipe sleeve anti-rotary dentistry implant

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CN 200810150019 CN100591300C (en) 2008-06-12 2008-06-12 Pipe sleeve anti-rotary dentistry implant

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