CN108403174B - Of combating osteoporosis and bone anchor device anchoring system - Google Patents

Of combating osteoporosis and bone anchor device anchoring system Download PDF

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Publication number
CN108403174B
CN108403174B CN201810761111.2A CN201810761111A CN108403174B CN 108403174 B CN108403174 B CN 108403174B CN 201810761111 A CN201810761111 A CN 201810761111A CN 108403174 B CN108403174 B CN 108403174B
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anchor
bone
thread
body
hole
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CN201810761111.2A
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CN108403174A (en
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赖卫国
肖诗梁
俞威
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上海凯利泰医疗科技股份有限公司
上海博进凯利泰医疗科技有限公司
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Abstract

本发明公开了种对抗疏松骨质的锚钉装置,其具有两级抗拉拔机制,其中第级抗拉拔机制为:该对抗疏松骨质的锚钉装置包括通过外螺纹相互匹配的加压锚钉和拉力锚钉,所述拉力锚钉用于在所述加压锚钉加压时承受反向力以增加锚钉装置的拉拔力;第二级抗拉拔机制为:所述拉力锚钉的锚钉本体上的全螺纹结构包括位于锚钉本体前部的松质骨螺纹及位于锚钉本体后部的皮质骨螺纹,所述松质骨螺纹的螺距较所述皮质骨螺纹的螺距大。 The present invention discloses a kind of anchor means against osteoporotic bone, which has two anti-pulling mechanism, wherein the first stage Pulling mechanism: the anchor device against the bone including osteoporosis is pressurized by an external thread matching each other anchor and tension anchor, the tension anchor for receiving a reaction force when the anchor is pressurized to increase the pressing force of the anchor pulling means; a second stage pulling mechanism: the tension full thread anchor structure comprising the anchor body cancellous bone anchor screw located in front of the main body portion and cortical bone anchor screw located in the rear of the body, the cancellous bone than the pitch of the threads of the threaded cortical bone big pitch. 由于具有两级抗拉拔机制,使得本发明提供的对抗疏松骨质的锚钉装置具有较佳的拉拔力,尤其适合骨质疏松的病人。 Because two anti-pulling mechanism, so that the apparatus against osteoporotic bone anchor of the present invention provides has better pullout force, especially for patients with osteoporosis. 同时,本发明还公开了种对抗疏松骨质的锚钉系统。 Meanwhile, the present invention discloses a kind of anchor the system against osteoporotic bone.

Description

一种对抗疏松骨质的锚钉装置及锚钉系统 Of combating osteoporosis and bone anchor device anchoring system

技术领域 FIELD

[0001] 本发明涉及医疗设备技术领域,尤其涉及一种对抗疏松骨质的锚钉装置及锚钉系统。 [0001] The present invention relates to the technical field of medical devices, particularly to a loose bone anchor means and anchor system against.

背景技术 Background technique

[0002] 韧带、肌腱和/或其它软组织与体内关联骨胳的完全或部分分离是比较常见的损伤,特别是在运动员当中。 [0002] ligaments, tendons and / or other full or partial separation of the more common injuries associated with the in vivo bone and soft tissue, particularly among athletes. 这类损伤通常是这些组织被施加过度压力的结果,例如,因跌倒、 生产活动、体育比赛过程中过度用力或在许多任何其它情况中所导致的意外事件中而发生。 These injuries are usually the result of excessive pressure is applied to these organizations, for example, due to a fall, production activities, sports competitions during excessive force or any other accident in many cases resulting in the occurrence.

[0003] 目前,在临床上对于完全分离的病例以及一些部分分离的病例一般是通过带线锚钉将软组织和骨重新连接,锚钉埋入骨质中固定撕裂腱性组织,以达到腱骨愈合的目的。 [0003] At present, as well as some cases completely separated partial separation of cases is generally clinically Reconnect anchor strip line through soft tissue and bone, the bone anchor embedded fixed tissue torn tendon, the tendon in order to achieve bone healing purposes.

[0004] 然而现有的带线锚钉没有特别针对骨质疏松病人,对于骨质疏松的病人,由于其骨密度小,锚钉在植入期间,随着骨质不断疏松流失,锚钉的抗拉力逐渐减弱,直至松脱。 [0004] However, the conventional belt is not particularly anchor line for osteoporosis patients, for patients with osteoporosis, because of its small bone, the anchor during implantation, osteoporosis as bone loss continued, the anchor tensile strength gradually weakened until loose.

[0005] 因而,有必要对带线锚钉进行重新设计。 [0005] Accordingly, it is necessary to anchor the strip line redesign.

发明内容 SUMMARY

[0006] 本发明提出了一种对抗疏松骨质的锚钉装置及锚钉系统,以增加拉拔力,使其适用于骨质疏松的病人。 [0006] The present invention provides an anchor means and anchor system against osteoporotic bone to increase the pull-out force, making it suitable for osteoporosis patients.

[0007] 为了解决上述问题,本发明提供一种对抗疏松骨质的锚钉装置,该对抗疏松骨质的锚钉装置具有两级抗拉拔机制,其中第一级抗拉拔机制为:该对抗疏松骨质的锚钉装置包括通过外螺纹相互匹配的加压锚钉和拉力锚钉,所述拉力锚钉用于在所述加压锚钉加压时承受反向力以增加锚钉装置的拉拔力; [0007] In order to solve the above problems, the present invention provides an anchor device against osteoporotic bone, which anchor the device against osteoporotic bone has two anti-pulling mechanism, wherein the first stage Pulling mechanism: the against osteoporotic bone anchor means comprises an external thread matched to each other by the pressing force of the anchor and anchor, said anchor for receiving a reverse pulling force when the pressing pressure to increase the anchor the anchor apparatus drawing force;

[0008] 所述加压锚钉与所述拉力锚钉均分别包括锚钉本体,所述锚钉本体上设有沿其纵向延伸的内腔,且所述锚钉本体上还设置有缝合线连接结构,所述缝合线连接结构设置在所述锚钉本体的前端,以使得所述锚钉本体的外侧设置有全螺纹结构; [0008] The pressing force of the anchor and anchor each include an anchor body provided with a lumen extending longitudinally of the anchor body and the anchor with a suture thread is also provided on the body connection structure, the connection structure of the suture anchor disposed at a front end of the body, so that the outside of the anchor body is provided with a full flight structure;

[0009] 所述加压锚钉的锚钉本体上的全螺纹结构包括第一螺纹,其螺纹间距均匀; [0009] The pressure for the whole thread formation on the anchor body includes a first threaded anchor, which screw pitch uniformly;

[0010] 第二级抗拉拔机制为:所述拉力锚钉的锚钉本体上的全螺纹结构包括位于锚钉本体前部的松质骨螺纹及位于锚钉本体后部的皮质骨螺纹,所述松质骨螺纹的螺距较所述皮质骨螺纹的螺距大。 [0010] Pulling mechanism for the second stage: full flight structures on the tension anchor comprises an anchor body cancellous bone anchor screw located in front of the main body portion and cortical bone anchor screw located in the rear portion of the body, the cancellous bone than the pitch of the thread pitch of the threads of the large cortical bone.

[0011] 在本发明的一个实施例中,所述松质骨螺纹和所述皮质骨螺纹的螺距为0.8-1, lmm〇 [0011] In one embodiment of the present invention, the cancellous bone and the cortical bone thread pitch of the threads is 0.8-1, lmm〇

[0012] 在本发明的一个实施例中,所述松质骨螺纹设有单头螺纹,所述皮质骨螺纹设有双头螺纹;所述双头螺纹包括第二螺纹和在所述第二螺纹之间延伸的第三螺纹;所述单头螺纹与所述第二螺纹或所述第三螺纹相连以形成一连续的螺纹。 [0012] In one embodiment of the present invention, the cancellous bone screw is provided with a single thread, the cortical bone screw with a threaded stud; and the second thread comprises a double thread and the second the third thread extending between the thread; with a single thread or the third thread of the second screw thread are joined to form a continuous thread.

[0013] 在本发明的一个实施例中,所述松质骨螺纹与所述皮质骨螺纹均设有单头螺纹。 [0013] In one embodiment of the present invention, the cancellous bone of the cortical bone screw has a single thread screw.

[0014] 在本发明的一个实施例中,所述皮质骨螺纹沿着对应的锚钉本体纵向的长度为所述松质骨螺纹与所述皮质骨螺纹沿着锚钉本体纵向的长度之和的四分之一至三分之一。 [0014] In embodiments, the anchor body along the longitudinal length of the threaded cancellous bone of the cortical bone along the thread length corresponds to the longitudinal direction of the anchor body is threaded and the cortical bone in one embodiment of the present invention quarter to a third.

[0015] 在本发明的一个实施例中,所述缝合线连接结构包括设置在锚钉本体的侧面的第一穿线孔、第二穿线孔、第三穿线孔和第四穿线孔,所述第一穿线孔与所述第二穿线孔在同一侧面,所述第三穿线孔和所述第四穿线孔在同一侧面,所述第一穿线孔与所述第三穿线孔相对,所述第二穿线孔与所述第四穿线孔相对,所述第一穿线孔、所述第二穿线孔、所述第三穿线孔和所述第四穿线孔均与所述内腔相连通。 [0015] In one embodiment of the present invention, the suture attachment structure comprises a first thread hole provided on the side surface of the anchor body, a second threaded hole, the third hole and the fourth threaded bore threading, said first threading a threaded hole and the second hole in the same side surface of the third hole and the fourth threading thread hole on the same side, the first threaded hole and the third hole opposite threading, the second threading hole and the fourth hole opposite threading, threading the first hole, the second threaded hole, the third and the fourth string holes are string holes communicating with the lumen.

[0016] 在本发明的一个实施例中,所述第一穿线孔与所述第三穿线孔的中心到锚钉本体前端的距离为5-6mm。 [0016] In one embodiment of the present invention, from the front end of the anchor body center of the first hole and the threading of the third threaded hole is to 5-6mm.

[0017] 在本发明的一个实施例中,所述第二穿线孔与所述第四穿线孔的中心到锚钉本体前端的距离为8-10mm。 [0017] In one embodiment of the present invention, the anchor from the center of the second body end with said threaded aperture to a fourth threading hole is 8-10mm.

[0018] 在本发明的一个实施例中,所述松质骨螺纹和所述皮质骨螺纹的牙型角为30°-60。 [0018] In one embodiment of the present invention, the cancellous bone and the cortical bone screw thread flank angle of 30 ° -60. .

[0019] 在本发明的一个实施例中,所述锚钉本体的前部为锥形,所述松质骨螺纹延伸至所述锚钉本体的前端,所述锚钉本体的前端的锥角为45°-60°。 The taper angle [0019] In one embodiment of the present invention, the front distal portion of the anchor body extends staple is tapered, the threaded cancellous bone anchor to the body, the anchor distal end of the nail body of 45 ° -60 °.

[0020]在本发明的一个实施例中,所述内腔的纵向截面为非圆形。 [0020] In one embodiment of the invention, the longitudinal cross section of the lumen is non-circular.

[0021] 一种对抗疏松骨质的锚钉系统,包括驱动工具以及上述的对抗疏松骨质的锚钉装置,所述驱动工具与所述内腔相配合。 [0021] A loose against bone anchor system, comprising a drive means and said anchor means against osteoporotic bone, the driving means cooperating with said lumen.

[0022]本发明由于采用以上技术方案,使之与现有技术相比,存在以下的优点和积极效果: [0022] The present invention adopts the above technical solution, so that compared with the prior art, the following advantages and positive effects:

[0023] 1)本发明提供的对抗疏松骨质的锚钉装置,其具有两级抗拉拔机制,通过相互匹配的加压锚钉和拉力锚钉形成第一级抗拉拔机制,拉力锚钉用于在加压锚钉加压时承受反向力以增加锚钉装置的拉拔力;通过在拉力锚钉的锚钉本体上设置位于锚钉本体前部的松质骨螺纹及位于锚钉本体后部的皮质骨螺纹,将皮质骨螺纹的螺距设置得比松质骨螺纹的螺距小,形成第二级抗拉拔机制,从而进一步提高锚钉装置的拉拔力。 [0023] 1) against osteoporotic bone anchor device of the present invention provided with two anti-pulling mechanism, the first mechanism is formed by drawing an anti stage match each other and pressing anchor tension anchor, the tension anchor a staple receiving opposing force when pressurized anchor pressurized to increase the pulling force of the anchor device; provided by cancellous bone anchor screw located in front of the main body portion of the tension on the anchor body is located in the anchor and anchor the rear threaded cortical bone nail body, the pitch of the threads cortical bone cancellous bone that is smaller than the pitch of the thread, a second stage pulling mechanism, thereby further improving the pull-out force of the anchor means. 使得本发明提供的对抗疏松骨质的锚钉装置具有较佳的拉拔力,尤其适合骨质疏松的病人。 Such means against osteoporotic bone anchor of the present invention provides has better pullout force, especially for patients with osteoporosis.

[0024] 2)本发明提供的对抗疏松骨质的锚钉装置,加压锚钉和拉力锚钉的锚钉本体上的缝合线连接结构设置在锚钉本体的前端,以使得锚钉本体的外侧设置有全螺纹结构,当锚钉装置植入后,随着骨长入缝合线连接结构内,该锚钉装置的拉拔力进一步提高。 [0024] 2) The present invention provides the anchor against osteoporotic bone, the suture anchor and the pressing force of the anchor the anchor body connection structure provided at the front end of the anchor body, so that the anchor body the whole structure is provided with outer threads, when the anchor device is implanted, along with the bone ingrowth structure connecting a suture, a staple pulling force of the anchor device is further improved.

[0025] 3)本发明提供的对抗疏松骨质的锚钉装置,通过设置相互配合的加压锚钉和拉力锚钉,整个锚钉装置具有较高的稳定性,可抗旋转,防止切出,尤其适用于骨质疏松的病人。 [0025] 3) The present invention provides apparatus anchor against osteoporotic bone by cooperating pressure setting anchor and tension anchor, the entire anchor means having a high stability, anti-rotation preventing cutout , especially for osteoporosis patients.

附图说明 BRIEF DESCRIPTION

[0026]图1是本发明实施例提供的对抗疏松骨质的锚钉装置的结构示意图; [0026] FIG. 1 is a schematic view of the anchor against osteoporotic bone apparatus according to an embodiment of the present invention;

[0027]图2是本发明一实施例提供的拉力锚钉的螺纹结构的示意图; [0027] FIG. 2 is a diagram showing a configuration of the thread tension anchor according to an embodiment of the present invention;

[0028]图3是本发明另一实施例提供的拉力锚钉的螺纹结构的示意图。 [0028] FIG. 3 is a diagram showing a configuration of the thread tension provided according to another embodiment of the anchor of the present invention.

具体实施方式 Detailed ways

[0029]以下结合附图和具体实施例对本发明提出的对抗疏松骨质的锚钉装置及锚钉系统作进一步详细说明。 [0029] The following specific examples in conjunction with the accompanying drawings and described in further detail against osteoporosis and bone anchor device anchoring system proposed by the present invention. 根据下面说明和权利要求书,本发明的优点和特征将更清楚。 The following description and the appended claims, features and advantages of the present invention will be apparent. 需说明的是,附图均采用非常简化的形式且均使用非精准的比例,仅用以方便、明晰地辅助说明本发明实施例的目的。 It should be noted that the drawings are used in a very simplified form and are using a non-precise proportion, only to facilitate, assist clarity purpose of illustrating an embodiment of the present invention.

[0030]现有技术中,带线锚钉要么旋入力很大;要么旋入力不大,但拉拔力较小,带线锚钉的旋入力与拉拔力之间无法达到很好的平衡。 [0030] In the prior art, stripline or screwed into the anchor great force; or screwed small force, but to a lesser pullout force, can not achieve a good balance between the force and the pulling force is screwed into the anchor strip line . 经过研究发现,现有的带线锚钉的外壁的螺纹的螺距设置为基本一致,螺距太小会导致旋入困难,而螺距太大则会导致旋入后拉拔力较小,从而使得带线锚钉的旋入力与拉拔力之间无法达到很好的平衡。 Has found that the thread pitch of the outer wall is provided with a conventional anchor line is basically the same, the pitch is too small will lead to difficulties screwed, while the pitch is too large can lead screwed after the drawing force is small, so that the tape can not achieve a good balance between the anchor is screwed into the lines of force and pulling force. 并且,对于骨质疏松的病人,由于骨密度小,锚钉在植入期间,随着骨质不断疏松流失,锚钉抗拉力逐渐减弱, 直至松脱。 And, for osteoporosis patients, due to the small bone, the anchor during implantation, osteoporosis as bone loss continued, the anchor tensile strength gradually weakened until loose. 现有的带线锚钉均没有针对骨质疏松的病人进行特殊的设计。 A conventional belt anchor lines are no special design for osteoporosis patients.

[0031 ]为了解决上述的技术问题,本发明提出了一种对抗疏松骨质的锚钉装置,该对抗疏松骨质的锚钉装置具有两级抗拉拔机制,其中第一级抗拉拔机制为:该对抗疏松骨质的锚钉装置包括通过外螺纹相互匹配的加压锚钉和拉力锚钉,所述拉力锚钉用于在所述加压锚钉加压时承受反向力以增加锚钉装置的拉拔力; [0031] To solve the above technical problem, the present invention provides an anchor device against osteoporotic bone, which anchor the device against osteoporotic bone has two anti-pulling mechanism, wherein the first stage mechanism Pulling as: device against the osteoporotic bone anchor comprises an external thread matching each other by the pressing force of the anchor and anchor, said anchor for receiving a reverse pulling force when the pressing pressure to increase the anchor pulling force of the anchor means;

[0032]所述加压锚钉与所述拉力锚钉均分别包括锚钉本体,所述锚钉本体上设有沿其纵向延伸的内腔,且所述锚钉本体上坯设置有缝合线连接结构,所述缝合线连接结构设置在所述锚钉本体的前端,以使得所述锚钉本体的外侧设置有全螺纹结构; [0032] The pressing force of the anchor and anchor each include an anchor body provided with a lumen extending longitudinally of the anchor body and the anchor with a suture blank provided on the body connection structure, the connection structure of the suture anchor disposed at a front end of the body, so that the outside of the anchor body is provided with a full flight structure;

[0033]所述加压锚钉的锚钉本体上的全螺纹结构包括第一螺纹,其螺纹间距均匀; [0033] The pressure for the whole thread formation on the anchor body includes a first threaded anchor, which screw pitch uniformly;

[0034] 第二级抗拉拔机制为:所述拉力锚钉的锚钉本体上的全螺纹结构包括位于锚钉本体前部的松质骨螺纹及位于锚钉本体后部的皮质骨螺纹,所述松质骨螺纹的螺距较所述皮质骨螺纹的螺距大。 [0034] Pulling mechanism for the second stage: full flight structures on the tension anchor comprises an anchor body cancellous bone anchor screw located in front of the main body portion and cortical bone anchor screw located in the rear portion of the body, the cancellous bone than the pitch of the thread pitch of the threads of the large cortical bone.

[0035] 本发明提供的对抗疏松骨质的锚钉装置,其具有两级抗拉拔机制,通过相互匹配的加压锚钉和拉力锚钉形成第一级抗拉拔机制,拉力锚钉用于在加压锚钉加压时承受反向力以增加锚钉装置的拉拔力;通过在拉力锚钉的锚钉本体上设置位于锚钉本体前部的松质骨螺纹及位于锚钉本体后部的皮质骨螺纹,将皮质骨螺纹的螺距设置得比松质骨螺纹的螺距小,形成第二级抗拉拔机制,从而进一步提高锚钉装置的拉拔力。 [0035] The apparatus against osteoporotic bone anchor of the present invention provided with two anti-pulling mechanism, the first mechanism is formed by drawing an anti stage match each other and pressing anchor tension anchor, the tension anchor with to withstand the pressing force during the reverse anchor pressurized to increase the pulling force of the anchor device; provided by pulling on the anchor the anchor body is located cancellous bone anchor threaded front portion of the body and is located in the anchor body the rear threaded cortical bone, the cortical bone screw pitch that is smaller than the thread pitch of the cancellous bone to form a second stage pulling mechanism, thereby further improving the pull-out force of the anchor means. 使得本发明提供的对抗疏松骨质的锚钉装置具有较佳的拉拔力,尤其适合骨质疏松的病人。 Such means against osteoporotic bone anchor of the present invention provides has better pullout force, especially for patients with osteoporosis.

[0036]下面结合具体的实施例对本发明作进一步的描述。 [0036] The following embodiments in conjunction with specific embodiments of the present invention will be further described.

[0037] 实施例1 [0037] Example 1

[0038]请参考图1及图2,如图1及图2所示,本发明实施例提供的对抗疏松骨质的锚钉装置包括通过外螺纹相互匹配的加压锚钉10和拉力锚钉20,加压锚钉10与拉力锚钉20均分别包括锚钉本体(如拉力锚钉20包括锚钉本体25,加压锚钉10的锚钉本体未标示),锚钉本体上设有沿其纵向延伸的内腔,且锚钉本体上还设置有缝合线连接结构(图1中的标号12、23 分别代表加压锚钉10上设置的缝合线连接结构与拉力锚钉20上设置的缝合线连接结构), 缝合线连接结构设置在锚钉本体的前端,以使得锚钉本体的外侧设置有全螺纹结构。 [0038] Please refer to FIG. 1 and FIG. 2, and shown in FIG. 1, against osteoporotic bone anchor device according to an external thread matching comprises another embodiment the present invention pressurization anchor 10 and the anchor pulling FIG 2 20, the anchor 10 and the pressing force of the anchor 20 anchors each include a body (e.g., anchor 20 comprises a tension anchor body 25, pressing the anchor the anchor body 10 not shown), is provided along the anchor body a lumen extending longitudinally thereof, and on the anchor body is further provided with a connecting structure of a suture (FIG. 1 reference numeral 12 and 23 represent the pressure suture anchor connection structure 10 provided on the tension anchor 20 is disposed on the suture connection structure), connected to the suture anchor structure is provided at a front end of the body, so that the outer side of the anchor body is provided with a full thread structure.

[0039] 其中,加压锚钉10的锚钉本体上的全螺纹结构包括第一螺纹11,其螺纹间距均匀; 拉力锚钉20的锚钉本体上的全螺纹结构包括位于锚钉本体前部的松质骨螺纹22及位于锚钉本体后部的皮质骨螺纹21,松质骨螺纹22的螺距较皮质骨螺纹21的螺距大;且松质骨螺纹22和皮质骨螺纹21的螺距为0.8-1. 1mm。 [0039] wherein the pressurized anchor full thread formation on the anchor body 10 comprises a first screw thread 11, which screw pitch uniformly; full thread tension anchor structure on the anchor body 20 includes a front portion positioned anchor body cancellous bone and cortical bone screw thread 22 at the rear anchor of the body 21, the pitch of cancellous bone compared to cortical bone thread 22 of large thread pitch 21; pitch and cancellous bone and cortical bone screw thread 22 is 0.8 21 -1. 1mm.

[0040]该对抗疏松骨质的锚钉装置具有两级抗拉拔机制,其中,通过相互匹配的加压锚钉10和拉力锚钉20形成第一级抗拉拔机制,拉力锚钉20用于在加压锚钉10加压时承受反向力以增加锚钉装置的拉拔力;通过在拉力锚钉20的锚钉本体上设置位于锚钉本体前部的松质骨螺纹22及位于锚钉本体后部的皮质骨螺纹21,将皮质骨螺纹21的螺距设置得比松质骨螺纹22的螺距小,形成第二级抗拉拔机制,从而进一步提高锚钉装置的拉拔力。 [0040] The anchor device against osteoporotic bone has two anti-pulling mechanism, wherein a first stage is formed by mutually matching mechanism Pulling anchor 10 and the pressing force of the anchor 20, the anchor 20 by pulling to withstand reverse pressurization force the anchor 10 is pressurized to increase the pulling force of the anchor means; by providing tension on the anchor the anchor body 20 is positioned cancellous bone thread front portion of the anchor body 22 and positioned cortical bone anchor threaded rear body 21, the pitch of the thread 21 of cortical bone that is smaller than the pitch of cancellous bone thread 22, forming a second stage pulling mechanism, thereby further improving the pull-out force of the anchor means. 使得本发明提供的对抗疏松骨质的锚钉装置具有较佳的拉拔力,尤其适合骨质疏松的病人。 Such means against osteoporotic bone anchor of the present invention provides has better pullout force, especially for patients with osteoporosis.

[0041]其中,锚钉本体可以具有多种结构、外形和尺寸。 [0041] wherein the anchor body may have a variety of configurations, shapes and sizes. 在一个示范性实施例中,所述锚钉本体被构造成植入打在骨上的骨孔内,更优选的是其尺寸和外形使得它能够完全穿透皮质骨的厚度。 In one exemplary embodiment, the anchor body is configured to be implanted on the bone is hit in the hole, and more preferably a size and shape such that it can completely through the thickness of the cortical bone. 在图示的实施例中,所述锚钉本体具有大致细长圆筒形形状,具有沿所述锚钉本体纵向延伸的内腔。 In the illustrated embodiment, the anchor body having a generally elongated cylindrical shape, having a lumen extending longitudinally along the anchor body. 锚钉本体的中空构造允许驱动工具插入以驱动固定器本体进入骨中。 The hollow structure allows the anchor body is inserted into the driving tool to drive the bone anchor into the body.

[0042]如图2所示,在本实施例中,所述松质骨螺纹22设有单头螺纹221,所述皮质骨螺纹21设有双头螺纹;所述双头螺纹包括第二螺纹211和在所述第二螺纹211之间延伸的第三螺纹212;所述单头螺纹221与所述第二螺纹211或所述第三螺纹212相连以形成一连续的螺纹。 [0042] 2, in the present embodiment, the cancellous bone thread 22 is provided with a single thread 221, the cortical bone 21 has a double threaded screw; screw comprises a second screw thread of the stud 211 and a third thread extending between the second thread 211 212; the single thread 221 and thread 211 of the second or the third screw 212 are joined to form a continuous thread. 该结构设置可使得所述松质骨螺纹22与所述皮质骨螺纹21的连接处的旋入更顺畅。 This structure may be arranged such that the cancellous bone screw thread 22 and connected at the cortical bone screw 21 into more smoothly. 所述单头螺纹221也可与所述第二螺纹211或所述第三螺纹212断开。 The single thread 221 may be disconnected from the second or the third screw thread 211 212. 所述单头螺纹221的螺距可与所述第二螺纹211或所述第三螺纹212的螺距相同或不同。 The single thread pitch 221 may be the same or different from the pitch of the third thread 212 or 211 of the second thread.

[0043]所述皮质骨螺纹21均沿着对应的锚钉本体25纵向的长度为所述松质骨螺纹22与所述皮质骨螺纹21沿着锚钉本体25纵向的长度之和的四分之一至三分之一。 [0043] The cortical bone screw 21 both along the length of the anchor body 25 corresponding to the longitudinal direction of the cancellous bone thread 22 of the threaded cortical bone anchor 21 along a longitudinal direction of the body 25 and the length of the quarter one to one-third. 因人体的松质骨与皮质骨的厚度比约为3:1至2:1,将所述皮质骨螺纹21沿着所述锚钉本体25纵向的长度设置为上述长度范围能保证所有的皮质骨螺纹均固定在皮质骨上,可增大拉拔力。 Due to the thickness of the cortical bone and cancellous human bone ratio of about 3: 1 to 2: 1, the cortical bone screw 21 disposed along the length of the longitudinal direction 25 of the anchor body to ensure that all the longitudinal range cortex bone thread are fixed on the cortical bone can be increased pulling force.

[0044]对于缝合线连接结构以拉力锚钉20上的缝合线连接结构为例来进行说明,加压锚钉10上的缝合线连接结构与此类似,因而不做赘述。 [0044] The connection structure for the suture to the suture connection structure of the tension anchor 20 described as an example, pressing a suture anchor 10 on the connection structure similar to this, and thus is not described herein. 拉力锚钉20上的缝合线连接结构23包括设置在锚钉本体25的侧面的第一穿线孔Ml、第二穿线孔232、第三穿线孔和第四穿线孔, 所述第一穿线孔231与所述第二穿线孔232在同一侧面,所述第三穿线孔和所述第四穿线孔在同一侧面,所述第一穿线孔231与所述第三穿线孔相对,所述第二穿线孔232与所述第四穿线孔相对,所述第一穿线孔231、所述第二穿线孔232、所述第三穿线孔和所述第四穿线孔均与所述内腔相连通。 The suture connection structure 20 comprises a first tension anchor 23 Ml thread hole provided on a side of the anchor body 25, 232, third and fourth threaded hole threading hole threading the second hole, the first hole 231 threading threading the second holes 232 on the same side, the third hole and the fourth threading thread hole on the same side, opposite the first threaded hole 231 and the third threaded hole, the second threading the fourth hole 232 and threading hole opposite the first threaded hole 231, threading hole 232 of the second, the third and the fourth string holes are string holes communicating with the lumen. 第一穿线孔2:31、第二穿线孔232、第三穿线孔和第四穿线孔的形状可为圆形、椭圆形或其它形状。 2:31 first threading hole, a second threaded hole 232, threading hole shape of the third and fourth threaded hole may be circular, oval or other shapes. 同一侧面的两个穿线孔之间为光滑面,该光滑面可低于所述锚钉本体2f5的侧面或与所述锚钉本体25的侧面的高度一致。 Between the two sides of the same threading hole is a smooth surface, a smooth surface may be lower than the sides of the anchor body 2f5 or the anchor body side surface 25 of the same height.

[0045]所述第一穿线孔Ml与所述第三穿线孔的中心到锚钉本体25前端的距离为5-6mm。 [0045] Ml of the first conduit opening and the center of the threaded bore of the third body 25 to anchor the distal end a distance of 5-6mm. 所述第一穿线孔231与所述第三穿线孔的中心到所述锚钉本体25前端的距离过近会导致前端螺纹的强度不够,在旋入时锚钉装置容易损坏;所述第一穿线孔231与所述第三穿线孔的中心到所述锚钉本体25前端的距离过远则可能使第一穿线孔231与所述第三穿线孔接近松质骨部位,无法起到增加拉拔力作用。 Threading into the first aperture 231 and the center of the third hole from the threaded distal end 25 of the anchor body through the nail near the front end of the screw will cause insufficient strength, easily damaged screwing in anchor means; the first threading hole 231 and the center of the third threaded hole to anchor the distal end of the nail body 25 a distance too far may make the threading hole 231 of the first conduit opening and the third closest cancellous bone site, can not act to increase the pull pulling force. 而将所述第一穿线孔231与所述第三穿线孔的中心到所述锚钉本体25前端的距离设置为5-6mra,不仅起到增加拉拔力作用,还使得锚钉装置不易损坏。 And the center of the first threaded hole 231 of the third threaded hole 25 to distance from the anchor body to the distal end of the staple 5-6mra, only serves to increase the pulling force, so that the anchor means also easily damaged .

[0046]所述第二穿线孔232与所述第四穿线孔的中心到锚钉本体25前端的距离为8-10mm。 [0046] The second threaded holes 232 and the fourth distance from the center stringing holes to anchor the front end of the body 25 is 8-10mm. 此距离范围能保证第二穿线孔232与所述第四穿线孔在锚钉本体25的中前部,能够使锚钉本体旋入时骨上掉落的大部分松质骨骨肩填充入第二穿线孔232与所述第四穿线孔内,可减小第二穿线孔232与所述第四穿线孔与缝合线的间隙,使缝合线更牢固地固定所述锚钉本体中,且松质骨骨屑一般不完全掉落,其一端与松质骨连接,另一端嵌入第二穿线孔232或所述第四穿线孔中,因此可进一步增加锚钉装置的拉拔力。 This can ensure that the second distance and the fourth threaded hole 232 in the threaded holes in the front portion of the anchor body 25, the anchor body can be made mostly cancellous bone screw falling on the shoulder-fitting into the first bone filler two threaded holes 232 and the fourth threaded bore can be reduced gap of the second conduit opening 232 and the fourth hole and threading a suture, the suture is more firmly fixed to the anchor body, and pine bone, bone chips do not fall completely general, and cancellous bone at one end and the other end is embedded in the second conduit opening 232 or the fourth threaded hole, it is possible to further increase the drawing force of the anchor means.

[0047] 所述松质骨螺纹22和所述皮质骨螺纹21的牙型角为30°-60°。 The [0047] cancellous bone thread 22 and flank angle of the thread 21 of the cortical bone 30 ° -60 °. 将螺纹的牙型角设置为30°-60°时所形成的牙尖可保证旋入时牙尖能在骨内轻松切削骨组织,使得旋入快速、 轻松,而旋入后能提供可靠的拉拔力。 The thread angle of the thread teeth is set to -60 [deg.] [Deg.] When formed by 30 sharp tip ensures easy screwing teeth cutting bone tissue in the bone, so that the screwed fast, easy, and after providing reliable screwed Pulling force.

[0048] 所述锚钉本体25的前部为锥形,其上设置有锥形螺纹24;所述松质骨螺纹22延伸至所述锚钉本体25的前端,所述锚钉本体25的前端的锥角为45°-60°。 [0048] The front portion of the anchor body 25 is tapered, on which a tapered thread 24; the cancellous bone screw 22 extends to the front end of the body 25 of the anchor, the anchor body 25 distal taper angle of 45 ° -60 °. 该范围的锥角能够保证手术中医务工作者可以以自攻的方式将软组织固定器旋入骨内。 The range of taper angle ensures surgery medical workers may be self-tapping manner soft tissue fixation device into the bone screw.

[0049] 所述内腔的纵向截面为非圆形,所述内腔的这一构造与驱动工具相应的非圆形的外形互补,使得驱动工具在插入所述内腔后能驱动所述锚钉本体进入骨中。 [0049] The longitudinal section of non-circular lumen, the lumen of the respective driving tool configured with complementary non-circular shape, so that the driving tool is inserted in the lumen of the anchor can be driven the staple into the bone in the body.

[0050] 拉力锚钉20的锚钉本体的直径可为6.5 mm、5.5 mm、5.0 mm、4.5 mm、3.5mm或2.8mm。 [0050] The diameter of the anchor pulling anchor body 20 may be 6.5 mm, 5.5 mm, 5.0 mm, 4.5 mm, 3.5mm, or 2.8mm. 加压铺钉10的锚钉本体的直径可为4.5 mm、3.5 mm或2.8mm。 Pressurizing nail shop anchor body 10 may have a diameter of 4.5 mm, 3.5 mm or 2.8mm.

[0051] 使用时,先于需锚定的骨组织内打入拉力锚钉20,再紧贴拉力锚钉20拧入小的加压锚钉10,由于拉力锚钉20与加压锚钉10的导程相同,通过此轮咬合原理,在轴向拧入加压锚钉10的同时,拉力锚钉20带动骨头反向后退,从而实现了加压;具体地,拉力锚钉20与加压锚钉10的配合,可对骨块进行齿轮样的线性加压,同时拉力锚钉20与加压锚钉10的联合交锁设计可减少拉力锚钉20的切出。 [0051] In use, prior to the need to anchor the pulling anchor into bone tissue 20, and then pulling the anchor 20 against the screwed small pressurized anchor 10, the anchor 20 due to the tension anchor 10 and the pressing same lead, by engaging round principle, the anchor 10 is screwed into an axial pressure, while pulling the bone anchor 20 to drive the reverse back, thus achieving pressurized; in particular, the anchor 20 and the pressing force mating anchor 10 may be of the bone cogwheel linear pressure, while the pressurizing tension anchor 20 and anchor interlocking joint 10 designed to reduce the tension anchor 20 is cut out.

[0052] 实施例2 [0052] Example 2

[0053] 本实施例与实施例1的区别在于: [0053] The difference between the present embodiment and the embodiment 1 in that Example:

[0054] 请参阅图3,所述松质骨螺纹32和所述皮质骨螺纹31均设有单头螺纹。 [0054] Referring to FIG 3, the threads 32 and cancellous bone of the cortical bone screw 31 has a single thread. 具体为:所述松质骨螺纹32设有第四螺纹321,所述皮质骨螺纹31设有第五螺纹311,第四螺纹321的螺距较所述第五螺纹311的螺距大。 Specifically: the cancellous bone thread 32 is provided with a fourth thread 321, a cortical bone screw 31 is provided with a fifth thread 311, 321 of the fourth thread pitch than the thread 311 of the fifth large pitch.

[0055] 实施例2的其它方面与实施例1相同,在此不再赘述。 [0055] Example 12 is otherwise identical to the embodiment, which is not repeated herein.

[0056] 本发明还提供一种对抗疏松骨质的锚钉系统,该锚钉系统包括驱动工具和上述实施例1或实施例2所述的对抗疏松骨质的锚钉装置,所述驱动工具可与所述内腔相配合。 [0056] The present invention also provides an anchor system against osteoporotic bone, which anchor system comprising a driving tool and said anchor device of Example 1 or Example 2 against osteoporotic bone, said driving tool can mate with the lumen. [0057]上述描述仅是对本发明较佳实施例的描述,并非对本发明范围的任何限定,本发明领域的普通技术人员根据上述揭示内容做的任何变更、修饰,均属于权利要求书的保护范围。 [0057] The above description is a description of the preferred embodiments of the present invention, and are not in any limiting the scope of the present invention, the art of the present invention of ordinary skill in the art to make according to the above disclosure of any change, modification, all fall within the scope of the claims .

Claims (12)

1. 一种对抗疏松骨质的锚钉装置,其特征在于,该对抗疏松骨质的锚钉装置具有两级抗拉拔机制,其中第一级抗拉拔机制为:该对抗疏松骨质的锚钉装置包括通过外螺纹相互匹配的加压锚钉和拉力锚钉,所述拉力锚钉用于在所述加压锚钉加压时承受反向力以增加锚钉装置的拉拔力; 所述加压锚钉与所述拉力锚钉均分别包括锚钉本体,所述锚钉本体上设有沿其纵向延伸的内腔,且所述锚钉本体上还设置有缝合线连接结构,所述缝合线连接结构设置在所述锚钉本体的前端,以使得所述锚钉本体的外侧设置有全螺纹结构; 所述加压锚钉的锚钉本体上的全螺纹结构包括第一螺纹,其螺纹间距均匀; 第二级抗拉拔机制为:所述拉力锚钉的锚钉本体上的全螺纹结构包括位于锚钉本体前部的松质骨螺纹及位于锚钉本体后部的皮质骨螺纹,所述松质骨螺纹的螺距较 An anchor device against osteoporotic bone, characterized in that the anchor device against an anti-osteoporotic bone has two drawing mechanism, wherein the first stage Pulling mechanism: the bone against osteoporosis anchor means comprises an external thread matched to each other by the pressing force of the anchor and anchor, said anchor for receiving a reverse pulling force when the pressing pressure to increase the anchor pulling force of the anchor means; the pressing force of the anchor and anchor each include an anchor body provided with a lumen extending longitudinally along the anchor body, the body and the anchor is also provided with a suture connection structure, the suture connecting structure is provided at a front end of the anchor body to the anchor such that the outer body is provided with a full staple thread structure; full thread structure on the pressurization anchor comprising a first anchor body thread threadably uniform spacing; pulling mechanism for the second stage: full flight structures on the tension anchor comprises an anchor body cancellous bone thread portion located at the front and at the rear of the anchor body of the anchor body cortex bone thread, a cancellous bone than the pitch of the threads 述皮质骨螺纹的螺距大; 使用状态下,加压锚钉的第一螺纹与拉力锚钉的松质骨螺纹/皮质骨螺纹咬合,在轴向拧入加压锚钉的同时,拉力锚钉带动骨头反向后退,以实现了加压来形成第一级抗拉拔机制;通过在拉力锚钉的锚钉本体上设置位于锚钉本体前部的松质骨螺纹及位于锚钉本体后部的皮质骨螺纹,将皮质骨螺纹的螺距设置得比松质骨螺纹的螺距小,形成第二级抗拉拔机制,以进一步提高锚钉装置的拉拔力。 Said cortical bone screw pitch greater; used state, pressurizing the anchor cancellous bone thread of the first thread of the tension anchor / cortical bone screw engagement, in the axial direction is screwed into the anchor at the same time pressing, pulling anchor reverse driven back bones, in order to achieve the first stage is formed by pressurizing mechanism pulling; provided by pulling on the anchor body at the back of the anchor cancellous bone thread front portion of the body and anchor the anchor body is located the threaded cortical bone, the cortical bone screw pitch that is smaller than the thread pitch of the cancellous bone to form a second stage pulling mechanism to further improve the pulling force of the anchor means.
2. 如权利要求1所述的对抗疏松骨质的锚钉装置,其特征在于,所述松质骨螺纹和所述皮质骨螺纹的螺距为0.8-1. lmm。 Against osteoporotic bone anchor device of claim 1 as claimed in claim 2, wherein the cancellous bone and the cortical bone screw thread pitch of 0.8-1. Lmm.
3. 如权利要求1所述的对抗疏松骨质的锚钉装置,其特征在于,所述松质骨螺纹设有单头螺纹,所述皮质骨螺纹设有双头螺纹;所述双头螺纹包括第二螺纹和在所述第二螺纹之间延伸的第三螺纹;所述单头螺纹与所述第二螺纹或所述第三螺纹相连以形成一连续的螺纹。 3. The apparatus against osteoporotic bone anchor according to claim 1, wherein the cancellous bone screw is provided with a single thread, the cortical bone screw with a threaded stud; the threaded stud comprising a second thread and third thread extending between the second thread; with a single thread or the third thread of the second screw thread are joined to form a continuous thread.
4. 如权利要求1所述的对抗疏松骨质的锚钉装置,其特征在于,所述松质骨螺纹与所述皮质骨螺纹均设有单头螺纹。 Against osteoporotic bone anchor device of claim 1 as claimed in claim, wherein the cancellous bone of the cortical bone screw has a single thread screw.
5.如权利要求1至4任一项所述的对抗疏松骨质的锚钉装置,其特征在于,所述皮质骨螺纹沿着对应的锚钉本体纵向的长度为所述松质骨螺纹与所述皮质骨螺纹沿着锚钉本体纵向的长度之和的四分之一至三分之一。 5 to osteoporotic bone anchor device 1 against any one of claim 4, wherein said threaded cortical bone along the corresponding longitudinal length of the body of the anchor cancellous bone threads the cortical bone screw along the longitudinal length of anchor body and a quarter to a third sum.
6.如权利要求1至4任一项所述的对抗疏松骨质的锚钉装置,其特征在于,所述缝合线连接结构包括设置在拉力锚钉的锚钉本体的侧面的第一穿线孔、第二穿线孔、第三穿线孔和第四穿线孔,所述第一穿线孔与所述第二穿线孔在同一侧面,所述第三穿线孔和所述第四穿线孔在同一侧面,所述第一穿线孔与所述第三穿线孔相对,所述第二穿线孔与所述第四穿线孔相对,所述第一穿线孔、所述第二穿线孔、所述第三穿线孔和所述第四穿线孔均与拉力锚钉的所述内腔相连通。 6 to osteoporotic bone anchor device 1 against any one of claim 4, wherein said connection structure comprises a first suture thread hole provided on the side surface tension anchor the anchor body , threading the second hole, third hole and the fourth threading threaded hole, the first hole and the second threading thread hole on the same side, the third hole and the fourth threading thread hole on the same side, threading the first hole and the third hole opposite threading, threading the second hole and the fourth hole opposite threading, threading the first hole, the second threaded hole, the third hole threading and said fourth conduit opening and the lumen are in communication tension anchor.
7.如权利要求6所述的对抗疏松骨质的锚钉装置,其特征在于,所述第一穿线孔与所述第三穿线孔的中心到拉力锚钉的锚钉本体前端的距离为5-6mm。 7. The apparatus against osteoporotic bone anchor according to claim 6, characterized in that the distance of the center of the front end of the anchor body of the first conduit opening and the third threaded hole of the tension anchor 5 -6mm.
8.如权利要求6所述的对抗疏松骨质的锚钉装置,其特征在于,所述第二穿线孔与所述第四穿线孔的中心到拉力锚钉的锚钉本体前端的距离为8-10mm。 8. The apparatus against osteoporotic bone anchor according to claim 6, characterized in that the anchor body end from the center of the second hole and the fourth threaded hole threading of the pulling anchor 8 -10mm.
9.如权利要求1-4任一项所述的对抗疏松骨质的锚钉装置,其特征在于,所述松质骨螺纹和所述皮质骨螺纹的牙型角为30°-60°。 9. The apparatus against osteoporotic bone anchor according to any one of claims 1 to 4, wherein the cancellous bone and the cortical bone screw thread flank angle of 30 ° -60 °.
10.如权利要求1-4任一项所述的对抗疏松骨质的锚钉装置,其特征在于,所述拉力锚钉的锚钉本体的前部为锥形,所述松质骨螺纹延伸至所述拉力锚钉的锚钉本体的前端, 所述拉力锚钉的锚钉本体的前端的锥角为45°-60°。 10. The apparatus against osteoporotic bone anchor according to any one of claims 1-4, characterized in that the pre-tension of the anchor portion of the anchor body is tapered, the threaded cancellous bone extending to the front end of the tension anchor the anchor body, the taper angle of the front end of the tension anchor anchor body is 45 ° -60 °.
11.如权利要求1-4任一项所述的对抗疏松骨质的锚钉装置,其特征在于,加压锚钉的所述内腔和拉力锚钉的所述内腔的纵向截面为非圆形。 11. The apparatus against osteoporotic bone anchor according to any one of claims 1-4, characterized in that the longitudinal section of the lumen and the lumen of the anchor tension anchor is a non-pressurized round.
12. —种对抗疏松骨质的锚钉系统,其特征在于,包括驱动工具以及如权利要求1-11 任一项所述的对抗疏松骨质的锚钉装置,所述驱动工具与加压锚钉的所述内腔和拉力锚钉的所述内腔相配合。 12. - The seed against osteoporotic bone anchor system comprising drive means and a device as claimed in claim against osteoporotic bone anchor according to any one of claims 1-11, said driving tool with a pressurized anchor nail lumen and the lumen of the anchor pulling mate.
CN201810761111.2A 2018-07-12 2018-07-12 Of combating osteoporosis and bone anchor device anchoring system CN108403174B (en)

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US20050055024A1 (en) * 2003-09-08 2005-03-10 James Anthony H. Orthopaedic implant and screw assembly
US20060282081A1 (en) * 2004-04-16 2006-12-14 Fanton Gary S Apparatus and method for securing tissue to bone with a suture
US8882801B2 (en) * 2007-09-14 2014-11-11 Depuy Mitek, Llc Dual thread cannulated suture anchor
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