CN105943103B - Anchors - Google Patents

Anchors Download PDF

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Publication number
CN105943103B
CN105943103B CN201610387959.4A CN201610387959A CN105943103B CN 105943103 B CN105943103 B CN 105943103B CN 201610387959 A CN201610387959 A CN 201610387959A CN 105943103 B CN105943103 B CN 105943103B
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helical
anchor
coil
pitch
ring
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CN201610387959.4A
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Chinese (zh)
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CN105943103A (en
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黎建波
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北京德益达美医疗科技有限公司
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Abstract

本发明实施例提供了种锚固件,属于医疗器械技术领域。 Embodiment of the present invention provides a kind of an anchor, a medical instrument technical field. 该锚固件包括:由近端向远端方向依次分布的第螺旋圈和第二螺旋圈;用于支撑所述第螺旋圈及所述第二螺旋圈的至少个内部支柱,所述内部支柱分布于由所述第螺旋圈和所述第二螺旋圈形成的中空部;位于远端顶端的顶突部,所述顶突部与所述第二螺旋圈和所述内部支柱在远端方向延伸连接。 The anchor comprising: sequentially distributed by a proximal end in the distal direction and a second helical turn of the helical coil; for supporting at least said first helical coil and the second coil internal strut ring, said inner strut profile a hollow portion formed by the first ring and the second helical coil turns; the top of the projecting portion at the top of the distal end of the projecting portion and the second top ring and the inner helical strut extending in a distal direction connection. 通过本发明实施例中提供的方案,在便于安装且能够保证安装强度的同时,减少了锚固件对于骨质的损害。 Solutions provided by embodiments of the present invention, and is easy to install in the mounting strength can be guaranteed while reducing the damage to the bone anchor.

Description

锚固件 Anchors

技术领域 FIELD

[0001] 本发明实施例涉及医疗器械技术领域,尤其涉及一种锚固件。 Example relates to the field of medical devices [0001] The present invention particularly relates to an anchor.

背景技术 Background technique

[0002] 当韧带或肌腱从相关的骨完全或部分地分离或者由于撕裂而损伤时,可以使用外科医疗器材来协助修复,带线锚钉是运动医学手术中常用的一类植入物,使用时将钉体植入骨中,其自带的缝线可以穿过断裂的肌腱或软组织,缝线打结后即可重新固定肌腱或软组织。 [0002] When the ligament or tendon is completely associated bone or partially separated from or due to tearing damage, may be used to assist in medical and surgical repair, with the anchor line is commonly used in sports medicine surgical implant for a class, when using the staple bone implant, which comes suture may break through the tendon or soft tissue, and can re-fixed tendon or soft tissue after the suture knot. 现有技术中公开的锚钉,如CN20342498IU公开的医疗用缝合锚钉,包括锚钉本体,锚钉本体呈圆锥形,在锚钉本体外设有螺旋圈,尾部设有容线槽和锁眼。 Disclosed in the prior art anchor, as disclosed CN20342498IU medical suture anchor, comprising an anchor body, present a generally conical anchor, the anchor body in a helical peripheral ring, and a tail with content keyhole slot . 该锚钉旋转拧入骨质中,能将骨质牢固固定,利用锚钉尾部的锁眼穿入医用线缆与损伤的肌腱组织缝合,使得断裂的肌腱组织与骨质形成牢固的连接,提供了肌腱与骨质连接的初始强度,以达到腱-骨愈合的目的。 Rotating the anchor is screwed into the bone, the bone can fixedly secured by anchor keyhole penetrates tail tendon and suturing the medical cable damage, bone fracture and tendon tissue such that the firm connection is formed, provided the initial strength of tendon and bone connector in order to achieve tendon - bone healing purposes.

[0003] 发明人在实现本发明的过程中发现,现有技术中的锚钉在使用的时候,存在由于结合强度不高出现锚钉退出的现象,需要二次手术,给患者带来痛苦,而结合强度高的锚钉则对于骨骼的损害较大,不太利于术后血液在骨道内的扩充及骨骼的成长,且不易安装。 [0003] In the process of implementing the present invention found that the prior art anchor when in use, there is due to the combination of the anchor quit phenomena appear intensity is not high, the need for secondary surgery, to patients with pain, the high bond strength to anchor the bone damage is large, is not conducive to expansion and growth of bones after the blood within the bone tunnel, and difficult to install.

发明内容 SUMMARY

[0004] 本发明实施例提供一种锚固件,用以解决现有技术中锚钉在使用的过程中存在的缺陷,在便于安装且能够保证安装强度的同时,减少了锚固件对于骨质的损害。 [0004] The embodiments of the present invention provides an anchor, in order to solve the drawbacks of the prior art anchor present in the use of the process, in the same time easy to install and can be installed to ensure the strength, reducing the bone anchor for damage.

[0005] 本发明实施例提供一种锚固件,包括: [0005] The present invention provides a anchor member, comprising:

[0006] 由近端向远端方向依次分布的第一螺旋圈和第二螺旋圈; [0006] sequentially from the proximal to distal direction distribution of the first and second helical turn spiral turns;

[0007] 用于支撑所述第一螺旋圈及所述第二螺旋圈的至少一个内部支柱,所述内部支柱分布于由所述第一螺旋圈和所述第二螺旋图形成的中空部; [0007] for at least a first helical strut ring and the inner ring supporting said second coil, said hollow inner struts distributed portion formed by the first spiral coil and the second coil in FIG;

[0008] 位于远端顶端的顶突部,所述顶突部与所述第二螺旋圈和所述内部支柱在远端方向延伸连接。 [0008] The top portion at the top of the distal end of the projection, the top ring and the second inner coil portion and the projections extending strut connected to the distal direction.

[0009] 作为本发明实施例的一种具体实现方式,在近端向远端的方向上,所述第一螺旋圈的末端与所述第二螺旋圈起始端相连接。 A particular implementation of the [0009] embodiment of the present invention, in the proximal to distal direction, said first coil end turns of the second helical turn connected to the starting end.

[0010] 作为本发明实施例的一种具体实现方式,所述第一螺旋圈具有第一螺距,所述第二螺旋圈具有第二螺距,所述第一螺距与所述第二螺距不同。 [0010] As a particular implementation of this embodiment of the present invention, the first ring having a first helical pitch and said second helical coil having a second pitch, the first pitch and the second pitch different.

[0011] 作为本发明实施例的一种具体实现方式,所述第一螺距小于所述第二螺距。 [0011] A specific implementation of the embodiment of the present invention, the first pitch is smaller than the second pitch.

[0012] 作为本发明实施例的一种具体实现方式,所述内部支柱为螺旋结构。 A particular implementation of the [0012] embodiment of the present invention, a helical structure of the inner struts.

[0013] 作为本发明实施例的一种具体实现方式,所述内部支柱的螺距大于所述第一螺距及所述第二螺距。 [0013] As a specific implementation of the embodiment of the invention, the inner strut pitch greater than the first pitch and the second pitch.

[0014] 作为本发明实施例的一种具体实现方式,所述内部支柱的螺旋旋转方向与所述第一螺旋圈和所述第二螺旋圈的旋转方向相反。 A particular implementation of the [0014] embodiment of the present invention, the helical rotation direction opposite rotation direction of the inner struts and the first ring and the second helical spiral turns.

[0015] 作为本发明实施例的一种具体实现方式,所述顶突部设有第三螺旋圈; One kind of [0015] Example embodiments of the present invention as a particular implementation, the projecting portion is provided with a third top coil turns;

[0016] 在近端向远端的方向上,所述第三螺旋圈的起始端与所述第二螺旋圈末端相连接。 [0016] connected to the distal direction, the starting end of the third spiral coil and the second coil end turns at the proximal end phase.

[0017] 作为本发明实施例的一种具体实现方式,所述顶突部设置有横向的贯通孔,通过贯通孔内能够放置缝合线且所述缝合线的尾端能够穿过所述中空部并穿出所述锚固件的近端。 [0017] The present invention is a specific implementation of the embodiment, the top portion is provided with a transverse projection through holes, can be placed through the through hole of the trailing end of the suture and the suture can pass through the hollow portion and out through the proximal end of the anchor.

[0018] 作为本发明实施例的一种具体实现方式,所述锚固件由能被吸收的材料制成。 One kind of [0018] Example embodiments of the present invention as a specific implementation, which can be absorbed by a piece of material made of the anchor.

[0019] 作为本发明实施例的一种具体实现方式,所述锚固件由不能被吸收的材料制成。 [0019] As the present invention is a specific implementation of the embodiment, the anchor member is made of a material that can not be absorbed.

[0020] 作为本发明实施例的一种具体实现方式,所述第一螺旋圈与所述内部支柱在近端形成驱动部,所述驱动部具有特定的横截面形状以便在驱动部中接纳驱动工具。 [0020] A specific implementation of the embodiment of the present invention, a first helical turn is formed with the inner drive section strut at the proximal end, the drive unit having a specific cross-sectional shape to receive a driving section driving tool.

[0021] 本发明实施例提供的锚固件,通过设置由近端向远端方向依次分布的第一螺旋圈和第二螺旋圈、用于支撑所述第一螺旋圈及所述第二螺旋圈的至少一个内部支柱、以及位于远端顶端的顶突部,改变了现有技术中的锚钉不易安装,以及在锚钉安装强度及对骨的破坏之间难以有效平衡的问题,用户难以选择综合性能较高的锚钉,在便于安装且能够保证安装强度的同时,减少了锚固件对于骨质的损害。 [0021] The embodiment of the present invention is provided in the anchor, by providing distributed sequentially from the proximal distal direction to the first and second helical turn spiral coil for supporting said first spiral coil and the second coil ring at least one inner strut, located on the top and the top of the distal end of projecting portion, the anchor changed prior art difficult to install, difficult to install and effective balance between the strength and the destruction of the bone anchor problems, difficult for a user to select high performance integrated anchor, and is easy to install in the mounting strength can be guaranteed while reducing the damage to the bone anchor.

附图说明 BRIEF DESCRIPTION

[0022] 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍,显而易见地,下面描述中的附图是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。 [0022] In order to more clearly illustrate the technical solutions in the embodiments or the prior art embodiment of the present invention, the accompanying drawings for illustrating the prior art described or needed to be used in an embodiment will be briefly introduced hereinafter, the description below the figures show some embodiments of the present invention, those of ordinary skill in the art is concerned, without creative efforts, can derive from these drawings other drawings.

[0023] 图1为现有技术中锚钉的结构示意图; [0023] FIG. 1 is a schematic view of prior art anchor;

[0024] 图2为本发明一个具体实施例中锚钉的结构图。 [0024] FIG. 2 configuration diagram of a particular embodiment of the anchor of the present invention.

具体实施方式 Detailed ways

[0025] 为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。 [0025] In order that the invention object, technical solutions, and advantages of the embodiments more clearly, the following the present invention in the accompanying drawings, technical solutions of embodiments of the present invention are clearly and completely described, obviously, the described the embodiment is an embodiment of the present invention is a part, but not all embodiments. 基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, those of ordinary skill in the art to make all other embodiments without creative work obtained by, it falls within the scope of the present invention.

[0026] 图1为现有技术中带线锚钉的示意图,包括钉头、钉体和钉尾,钉头和钉尾均呈圆柱状结构,两者为直径相同的圆柱。 [0026] FIG. 1 is a schematic view of prior art anchor wire belt, including nail head, the nail body and a tail nail, stud and staple the tail showed a cylindrical structure, both of the same diameter of the cylinder. 钉头连接在钉体的前端,钉尾连接在钉体的后端;钉体设有穿线孔,穿线孔沿钉体的径向穿透。 Stud connected staple at the front end thereof, is connected to the rear end of the staple Spiketail body; nail body is provided with threaded holes, threaded holes along the radial penetration of the nail body. 穿线孔的两端到钉尾的端部分别设有容线槽,钉头、钉体和钉尾一体制成。 Both ends of the hole threading tail to the end portion of the staple receiving groove is provided respectively, stud integrally formed staples and staple body tail. 现有技术中的锚钉结构较为单一,较难满足实际中的需要。 Anchor structure in the prior art is more simple, more difficult to meet practical needs.

[0027] 图2为根据本发明实施例提供的带线锚钉的一个实施例,如图所示,带线锚钉采用一体成型的方式形成,其具有近端和远端。 [0027] Figure 2 is a strip line anchor according to an embodiment of the invention, an embodiment of the present embodiment, as shown, with anchor lines are formed with one piece having a proximal end and a distal end. 由近端向远端方向依次分布的第一螺旋圈21和第二螺旋圈22,第一螺旋圈21和第二螺旋圈22为镂空设计,且按照一定的旋转方向盘旋延伸。 A first helical turn sequentially distributed by a proximal end 21 in the distal direction and a second helical coil 22, a first helical coil 21 and the second helical coil 22 is designed hollow, and extends in a certain direction of spiral rotation.

[0028] 由于第一螺旋圈21和第二螺旋圈22为镂空结构,其结构强度较弱,为了能够保证第一螺旋圈21和第二螺旋圈22的结构强度,设置用于支撑所述第一螺旋圈及所述第二螺旋圈的至少一个内部支柱(图中未示出),所述内部支柱分布于由所述第一螺旋圈21和所述第二螺旋圈22形成的中空部。 [0028] Since the first and second turns of the helical coil 21 of hollow structure 22, structural strength is weak, in order to ensure the structural strength and the second 21 spiral turns of the first helical coil 22, is provided for supporting said first a spiral at least one inner strut (not shown) and the second ring spiral turns, the inner struts distributed in the hollow portion formed by the first turns of the second coil 21 and coil 22.

[0029] 作为一种可选实施方式,该内部支柱与第一螺旋圈21和第二螺旋圈22的一体成型。 [0029] As an alternative embodiment, one of the inner struts 21 and the first and second turns of the helical coil 22 is formed.

[0030] 位于带线锚钉的远端顶端具有顶突部23,所述顶突部23与所述第二螺旋圈22和所述内部支柱在远端方向上延伸连接。 [0030] positioned with the distal tip of the anchor wire has a top projecting portion 23, the projecting portion 23 and the top of the second helical coil 22 and the inner connecting struts extending in the distal direction.

[0031] 带线锚钉还包括缝合线通孔231、232,其被安放在带线锚钉的顶突部23,缝合线通孔可适于在其周围接收一个或更多的缝合线,使得缝合线能够围绕缝合线通孔,且缝合线的尾端能够穿过通孔232,通过所述第一螺旋圈21和所述第二螺旋圈22形成的中空部,并钻出带线锚钉的远端。 [0031] The strip line further comprising a suture anchor through holes 231 and 232, which are mounted on a top portion protruding strip line anchor 23, the suture through hole may receive one or more sutures around it is adapted to, so that the suture can be a suture around the through hole, and the trailing end of the suture can be passed through the through hole 232, a hollow portion formed by the first turns of the second coil 21 and coil 22, and drilled with anchor line the distal end of the nail.

[0032] 透带线锚钉可以用多种材料构成。 [0032] with a line through the anchor may be composed of a variety of materials. 在一个示范性实施例中,材料的物理性质应足以允许驱动工具插入到带线锚钉的中空部中并能够用来将带线锚钉驱动进入骨中而不至于损坏带线锚钉。 Embodiment, the physical properties of the material should sufficient to allow a drive tool inserted into the hollow portion of the anchor strip line and the line can be used to anchor the tape drive into the bone without damaging the anchor line with one exemplary embodiment. 材料的性质将取决于带线锚钉的结构。 Material will depend on the nature of the anchor strip line structure. 例如,带线锚钉的中空部的长度能够使带线锚钉的抗弯强度以及带线锚钉与驱动工具的面接触最大化,因此使得较脆弱的材料如可吸收性生物材料和/或骨传导材料等得以应用。 For example, the length of the hollow portion of the anchor strip line can be made with the anchor line and the bending strength and the anchor strip line driving tool to maximize surface contact, so that the weaker material such as a bioabsorbable material and / or bone conducting material and the like can be applied. 除此之外,包括塑料和金属在内的多种其他的材料可以被用来制造带线锚钉。 In addition, a variety of other materials including plastics and metals may be used to make the inner belt anchor line.

[0033] 第一螺旋圈21和第二螺旋圈22构成双螺旋圈结构,第一螺旋圈21为高密度螺旋圈,第二螺旋圈22为低密度螺旋圈,由于骨的结构是内部为松质骨,表面为皮质骨,其中松质骨富含骨小梁,是骨生长主要结构,而皮质骨密度较高,因此锚钉植入后,低密度螺旋圈位于松质骨内,可减少骨小梁破坏,更利于术后骨骼生长,高密度螺旋圈位于骨皮质内,增加抗拔出力。 [0033] The first and second turns of the helical coil 21 constitute a double helix coil configuration 22, a first helical turn spiral coil 21 for high-density, low density second helical turn spiral coil 22, due to the internal structure of the bone is loose bone, cortical bone surface, which is rich in cancellous bone trabecular bone growth is the main structure, and higher cortical bone, so the implant anchor, helical turn is located within a low density cancellous bone may be reduced trabecular bone destruction, after more conducive to bone growth, high density helical turn is located within the bone cortex, increased resistance to pull out force.

[0034] 具体的,第一螺旋圈21和第二螺旋圈22之间具有较大的间隔。 [0034] Specifically, the first and second turns of the helical coil 21 having a large spacing between the 22. 这些间隔之间形成了不同的螺距,作为一种实施方式,第一螺旋圈21和第二螺旋圈22具有不同的螺距,比如第一螺旋圈21的螺距小于第二螺旋圈22的螺距。 These intervals are formed between the different pitch, as an embodiment, the first helical coil 21 and the second helical coil 22 have different pitches, such as the pitch of the first helical turn 21 is smaller than the pitch of the second helical coil 22. 较大螺距形成的间隔有助于骨到韧带的内生长,即,通过提供穿过螺旋圈的大的开口。 Formed larger pitch spacing facilitates bone ingrowth into the ligament, i.e., by providing a large opening through the spiral turns. 这些大的开口有助于承载细胞与营养的流体流过螺旋圈,并允许组织的内生长跨过螺旋圈,从而增强骨到韧带的内生长。 These large opening helps retain cells and nutrient fluid flows through the spiral coil, and to allow tissue ingrowth across the helical turns, thereby enhancing bone ingrowth into the ligament.

[0035] 激作为另外一种实施方式,一个或多个支柱布置在第一螺旋圈21和第二螺旋圈22 的内部,其中该一个或多个支柱被固定到第一螺旋圈21和第二螺旋圈22的内表面上。 [0035] As another embodiment of the laser, the one or more struts disposed inside the first helical coil 21 and the second helical coil 22, wherein the one or more struts are fixed to the first and second helical turn 21 spiral turns 22 on the inner surface. 该一个或多个支柱提供用于使第一螺旋圈21和第二螺旋圈22在部署在身体内期间旋转的装置, 该一个或多个支柱可给第一螺旋圈21和第二螺旋圈22提供结构支撑。 The one or more struts provides for a first helical turn device 21 and the second helical coil 22 during deployment in the body of rotation, which may be one or more struts 21 to the first and second turns of the helical coil 22 provide structural support. 该一个或多个支柱可与螺旋圈整体形成(例如通过模制工艺),或者其可单独于第一螺旋圈21和第二螺旋圈22而形成,并且然后在单独的制造工艺中附连到第一螺旋圈21和第二螺旋圈22 (例如通过焊接)。 The one or more struts may be integrally formed with the helical coil (e.g., by a molding process), or it may be in a first helical coil 21 and the second helical coil 22 is formed separately, and then in a separate manufacturing process are attached to a first helical coil 21 and the second helical coil 22 (e.g. by welding). 在该一个或多个支柱与第一螺旋圈21和第二螺旋圈22是整体形成的情况下,该一个或多个支柱可用于帮助流融合至合适位置。 In the case of the one or more struts 21 and the first and second turns of the helical coil 22 are integrally formed, the one or more struts may be used to assist the flow fused into position.

[0036] 在本发明的一种优选形式中,该一个或多个支柱包括螺旋结构。 [0036] In one preferred form of the invention, the one or more struts comprises a helical structure. 并且在本发明的一种特别优选的形式中,该一个或多个支柱包括螺旋结构,其沿着与第一螺旋圈21和第二螺旋圈22的螺旋相反的方向盘旋,并且该一个或多个支柱具有第一螺旋圈21和第二螺旋圈22的螺距大得多的螺距。 And, in a particularly preferred form of the invention, the one or more struts comprise helical structure along a spiral coil 21 opposite the collar 22 and the second helical direction of the first helical coil, and the one or more a strut having a first helical coil 21 and the second helical pitch of 22 turns of larger pitch. M M

[0037] 带线锚钉整体采用全镂空设计,该设计使术后血液可以充分进入股道内,最大程度减少植入物对骨质的占用,同时镂空钉体如同支架,引导骨长入。 [0037] The strip line anchor whole all hollow design, so that the design can be sufficiently into the blood after passage stocks, minimize the occupancy of the bone implant, while the hollow body as the staple holder, guided bone ingrowth.

[0038] 为了便于锚钉的安装,顶突部23采用自攻设计,锚钉头部锥度较大,使锚钉植入时更轻松,具备自攻功效。 [0038] In order to facilitate the installation of the anchor, the top of the protrusion 23 using self-tapping design of the anchor head larger taper makes it easier when implanted anchor, comprising a self-tapping function.

[0039] 作为一种可选实施方式,可以在顶突部23上设置第三螺旋圈,第三螺旋圈与第二螺旋圈首尾连接。 [0039] As an alternative embodiment, a third spiral turns may be provided on the top projecting portion 23, a third helical turn is connected to a second end to end helical turn.

[0040] 为了便于驱动带线锚钉,作为另外一种实施方式,第一螺旋圈21与内部支柱在近端形成驱动部,所述驱动部具有特定的横截面形状以便在驱动部中接纳驱动工具,该横截面形状可以是常见的几何形状,如正方形、五角形,也可以根据实际的需要特定的形状。 [0040] In order to facilitate the driving belt anchor line, as another embodiment, the inner struts 21 and the first helical coil at the proximal end portion form a drive, said drive portion having a specific cross-sectional shape to receive a driving section driving tool, the cross-sectional shape may be a common geometric shapes, such as square, pentagonal, specific shapes can also be based on actual needs.

[0041] 最后应说明的是:以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换; 而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。 [0041] Finally, it should be noted that: the above embodiments are intended to illustrate the present invention, rather than limiting;. Although the present invention has been described in detail embodiments, those of ordinary skill in the art should be understood: may still be made to the technical solutions described in each embodiment of the modified or part of the technical features equivalents; as such modifications or replacements do not cause the essence of corresponding technical solutions to depart from the technical solutions of the embodiments of the present invention and scope.

Claims (9)

1. 一种锚固件,包括: 由近端向远端方向依次分布的第一螺旋圈和第二螺旋圈; 用于支撑所述第一螺旋圈及所述第二螺旋圈的至少一个内部支柱,所述内部支柱分布于由所述第一螺旋圈和所述第二螺旋圈形成的中空部,所述内部支柱为螺旋结构,所述内部支柱与所述第一螺旋圈和所述第二螺旋圈一体成型; 位于远端顶端的顶突部,所述顶突部与所述第二螺旋圈和所述内部支柱在远端方向延伸连接。 An anchor, comprising: a first helical turn of the second helical turn and successively from the proximal to distal direction profile; means for supporting said first spiral coil and the at least one inner strut of the second spiral turns the inner hollow profile strut portion formed by the first ring and the second spiral coil turns, the internal structure of a spiral pillar, the pillar and the first inner coil and said second coil helical turns integrally molded; top projection at the top portion of the distal end of the projecting portion and the second top ring and the inner helical strut connector extends in the distal direction.
2. 根据权利要求1所述的锚固件,其特征在于: 在近端向远端的方向上,所述第一螺旋圈的末端与所述第二螺旋圈起始端相连接。 The anchor according to claim 1, wherein: the proximal end to the distal direction, the end of the first helical turn of the second helical coil connected to the starting end.
3. 根据权利要求1所述的锚固件,其特征在于: 所述第一螺旋圈具有第一螺距,所述第二螺旋圈具有第二螺距,所述第一螺距与所述第二螺距不同。 The anchor according to claim 1, wherein: said first ring having a first helical pitch and said second helical coil having a second pitch, the first pitch and the second pitch different from .
4. 根据权利要求3所述的锚固件,其特征在于: 所述第一螺距小于所述第二螺距。 4. The anchor of claim 3, wherein: the first pitch is smaller than the second pitch.
5. 根据权利要求4所述的锚固件,其特征在于: 所述内部支柱的螺距大于所述第一螺距及所述第二螺距。 Anchor according to claim 4, wherein: said inner strut pitch greater than the first pitch and the second pitch.
6. 根据权利要求4所述的锚固件,其特征在于: 所述内部支柱的螺旋旋转方向与所述第一螺旋圈和所述第二螺旋圈的旋转方向相反。 The anchor of claim 4, wherein: said inner strut helical rotation direction to the direction of rotation of the first turns of the second helical turn and opposite.
7. 根据权利要求1所述的锚固件,其特征在于: 所述顶突部设有第三螺旋圈; 在近端向远端的方向上,所述第三螺旋圈的起始端与所述第二螺旋圈末端相连接。 The anchor according to claim 1, wherein: said projecting portion is provided with a third top coil ring; in the proximal distal direction, a starting end of the third coil and the ring The second end is connected to helical turns.
8. 根据权利要求1或7所述的锚固件,其特征在于: 所述顶突部设置有横向的贯通孔,通过贯通孔内能够放置缝合线且所述缝合线的尾端能够穿过所述中空部并穿出所述锚固件的近端。 The anchor of claim 1 or claim 7, wherein: said top portion is provided with a transverse projection through holes, can be placed through the through hole of the trailing end of the suture and the suture can be passed through the said hollow portion and out of the proximal end of the anchor member.
9. 根据权利要求1所述的锚固件,其特征在于: 所述第一螺旋圈与所述内部支柱在近端形成驱动部,所述驱动部具有特定的横截面形状以便在驱动部中接纳驱动工具。 9. The anchor according to claim 1, wherein: said first ring and said internal helical strut at the proximal end portion form a drive, said drive portion having a specific cross-sectional shape to receive the driving unit driving tool.
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CN102551826A (en) * 2010-08-30 2012-07-11 德普伊米特克公司 Suture anchor and threader
CN204863325U (en) * 2015-08-18 2015-12-16 上海凯利泰医疗科技股份有限公司 A soft tissue fixer and soft tissue fixer subassembly for bone surgery
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