CN104825254B - Prosthetic members - Google Patents

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Publication number
CN104825254B
CN104825254B CN201510236816.9A CN201510236816A CN104825254B CN 104825254 B CN104825254 B CN 104825254B CN 201510236816 A CN201510236816 A CN 201510236816A CN 104825254 B CN104825254 B CN 104825254B
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structure
tip
plurality
metal
hook
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CN201510236816.9A
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CN104825254A (en
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王彩梅
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北京爱康宜诚医疗器材股份有限公司
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Priority to CN201510236816.9A priority Critical patent/CN104825254B/en
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Abstract

本发明提供了一种假体部件,包括金属基体(10)以及与金属基体(10)配合的衬垫(20),衬垫(20)的材质为超高分子聚乙烯,金属基体(10)具有朝向衬垫(20)的配合表面,配合表面经激光毛化处理后形成多个尖状结构(11),衬垫(20)通过热压与金属基体(10)连接在一起并使每个尖状结构(11)的至少部分进入至衬垫(20)内。 The present invention provides a prosthetic component, comprising (10) pads (20) cooperating (10) with a metal base and a metal substrate, a pad (20) is made of ultrahigh molecular weight polyethylene, a metal matrix (10) having a mating surface facing the pad (20), with the surface treatment after laser texturing a plurality of tip-like structure (11) is formed, the liner (20) and are connected together by hot-pressing the metal substrate (10) each tip-like structure (11) to at least partially into the liner (20). 本发明的技术方案能够有效地解决现有技术中的假体部件中的金属基体与衬垫之间连接容易失效的问题。 Aspect of the present invention can effectively solve the problem of easy connection failure between the prior art prosthetic component in the metal matrix and the liner.

Description

假体部件 Prosthetic members

技术领域 FIELD

[0001] 本发明涉及医疗器械技术领域,具体而言,涉及一种假体部件。 [0001] The present invention relates to the technical field of medical devices, and in particular, relates to a prosthetic component.

背景技术 Background technique

[0002] 目前,人工膝关节置换术是治疗各种膝关节炎症的一种有效且成熟的治疗方式, 其近年来的手术优良率不断提高,其主要是利用人工生物材料置换膝关节中已被破坏的骨和软骨。 [0002] Currently, the artificial knee joint replacement surgery is the treatment of a variety of knee inflammation an effective and sophisticated treatments, which in recent years increasing rate of quality surgery, which is the use of an artificial knee joint replacement biomaterial has been the destruction of bone and cartilage.

[0003] 在现有技术中,人工膝关节假体有下列三部分组成:1、金属材料铸造成的股骨髁假体;2、胫骨部件,包括金属材料铸造成的胫骨假体底盘和以超高分子聚乙烯为主要材料的关节表面衬垫;3、髌骨假体,包括超高分子聚乙烯材料髌骨关节衬垫和/或金属髌骨托盘。 [0003] In the prior art, the artificial knee joint prosthesis has the following three parts: 1, the metal material cast into the femoral condyle prosthesis; 2, the tibial component including a metal material cast into the tibial prosthesis chassis and a super UHMWPE articular surface of the spacer main material; 3, patella prosthesis comprising ultrahigh molecular weight polyethylene patellar pad materials and / or metal patella tray. 其中,股骨髁假体与关节衬垫表面的形态完全匹配,由此产生伸曲运动。 Wherein the shape of the femoral condyle articular prosthetic pad surface exact match, thereby generating flexing movement.

[0004] 上述关节假体中,胫骨部件的金属假体底盘和超高分子聚乙烯关节表面衬垫两者之间,以及髌骨假体的金属髌骨托盘和超高分子聚乙烯髌骨关节衬垫两者之间通常通过机械方法相连接,如卡锁模式。 [0004] The joint prostheses, between the metal tibial prosthetic member and a chassis UHMWPE articular surface of the pad, and the metal tray patella and patellar component ultrahigh molecular weight polyethylene patellar pad two typically mechanically connected between persons, such as latching mode. 这种机械连接方式容易出现卡锁脱出、卡锁断裂等现象,从而导致连接失效。 This mechanical connection is prone to prolapse latching, latching fracture phenomena, resulting in joint failure.

发明内容 SUMMARY

[0005] 本发明的主要目的在于提供一种假体部件,以解决现有技术中的假体部件中的金属基体与衬垫之间连接容易失效的问题。 [0005] The main object of the present invention to provide a prosthetic component in order to solve the problem of easy connection failure between the prior art prosthetic component in the metal matrix and the liner.

[0006] 为了实现上述目的,本发明提供了一种假体部件,包括金属基体以及与金属基体配合的衬塾,衬塾的材质为超高分子聚乙炼,其特征在于,金属基体具有朝向衬塾的配合表面,配合表面经激光毛化处理后形成多个尖状结构,衬垫通过热压与金属基体连接在一起并使每个尖状结构的至少部分进入至衬垫内。 [0006] To achieve the above object, the present invention provides a prosthetic component, comprising a metal matrix and a substrate Sook metal substrate with the lining Sook is made of ultra high molecular weight polyethylene refining, wherein the metal matrix having a facing Sook mating surface of the liner, with the surface of the laser texturing process after forming a plurality of tip-like structure, the tip of each spacer structure together and at least partially into the liner to the metal substrate by thermocompression connection.

[0007] 进一步地,多个尖状结构包括多个直形尖状结构和/或多个钩形尖状结构。 [0007] Further, the plurality of tip-like structure comprises a plurality of tip-like straight structure and / or a plurality of hook-shaped tip-like structure.

[0008] 进一步地,多个尖状结构包括多个直形尖状结构和多个钩形尖状结构,多个直形尖状结构位于预定圆周范围内,多个钩形尖状结构位于多个直形尖状结构的周向外侧。 [0008] Further, the plurality of tip-like structure comprises a plurality of tip-like straight tip structure and a plurality of hook-like structures, a plurality of tip-like straight peripheral configuration is within a predetermined range, a plurality of hook-shaped tip-like structure is located Multi a straight circumferential outwardly tapered structure.

[0009] 进一步地,每个钩形尖状结构的钩部朝向背离多个直形尖状结构的方向设置。 [0009] Further, the hook portion of each hook-like structure facing away from the tip of the plurality of tip-like configuration of a straight direction.

[0010] 进一步地,多个钩形尖状结构的密度小于多个直形尖状结构的密度。 [0010] Further, the density of a plurality of hook-shaped tip-like structure is less than the density of the plurality of tip-like straight structure.

[0011] 进一步地,直形尖状结构的长度大于钩形尖状结构的长度。 [0011] Further, the length of the straight tip-like structure is greater than the length of the hook-shaped tip-like structure.

[0012] 进一步地,直形尖状结构的长度为钩形尖状结构的长度的两倍。 [0012] Further, the length of the straight tip-like structure is twice the length of the hook-shaped tip-like structure.

[0013] 进一步地,假体部件为髌骨假体。 [0013] Further, the prosthetic component is a patella prosthesis.

[0014] 进一步地,金属基体为金属托,衬垫为与金属托连接的髌骨关节衬垫,金属托朝向髌骨关节衬垫的表面为配合表面。 [0014] Further, toward the metal substrate is a metal patellar Torr, patellar pad and the pad is connected to the metal holder, the surface of the metal pad holder mating surface.

[0015] 进一步地,金属托包括金属托主体,髌骨关节衬垫朝向金属托的侧壁上具有用于容纳金属托主体的容纳凹槽,金属托主体朝向容纳凹槽的表面为配合表面。 [0015] Further, the metal bracket body comprises a metal bracket having a receiving groove for receiving a metal bracket on the patellar pad body toward the metal side wall Torr, the metal bracket body facing surface of the receiving recess of the mating surface.

[0016] 应用本发明的技术方案,在金属基体的配合表面经激光毛化处理后形成多个尖状结构。 [0016] The technical solution of the present invention, the plurality of tip-like structures formed in the mating surface of the metallic substrate by laser texturing process. 在进行假体置换前,先将衬垫通过热压与金属基体连接在一起,此时,金属基体的配合表面上的每个尖状结构至少部分进入至衬垫内,从而起到对金属基体和衬垫的连接固定作用,并且多个尖状结构可以有效地防止衬垫相对于金属基体的微动,使两者之间的固定连接更加稳定,避免连接失效。 Before making prosthesis, first pad connected together by hot-pressing the metal substrate, this time, each of the tip-like structure on the surface of a metal substrate with at least a portion enters into the pad, and thus play a metal substrate fixation and connection pads, and a plurality of tip-like structures can be effectively prevented oligodynamic metal pad relative to the substrate, so that the fixed connection between the two is more stable, avoid connection failures.

附图说明 BRIEF DESCRIPTION

[0017] 构成本申请的一部分的说明书附图用来提供对本发明的进一步理解,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。 [0017] constitute a part of this application specification accompanying drawings provide a further understanding of the invention, exemplary embodiments of the present invention are used to explain the present invention without unduly limiting the present invention. 在附图中: In the drawings:

[0018] 图1示出了根据本发明的假体部件的实施例的结构示意图; [0018] FIG. 1 shows a configuration diagram of an embodiment of the prosthetic component according to the present invention;

[0019] 图2示出了图1的假体部件的主视示意图; [0019] FIG. 2 shows a schematic front view of the prosthesis member of Figure 1;

[0020] 图3示出了图1的假体部件的俯视示意图; [0020] FIG. 3 shows a schematic top view of the prosthesis member of Figure 1;

[0021] 图4示出了图3的假体部件的AA向剖视示意图; [0021] FIG. 4 shows a section AA of the prosthesis of FIG. 3 a schematic view of the sectional view;

[0022] 图5示出了图1的假体部件的金属基体的结构示意图; [0022] FIG. 5 shows a schematic structure of the metal matrix prosthetic member of Figure 1;

[0023]图6示出了图5的金属基体的另一角度的结构示意图; [0023] FIG. 6 shows a schematic structural diagram of another aspect of the metal base of Figure 5;

[0024] 图7示出了图5的金属基体的主视示意图; [0024] FIG. 7 shows a front metal matrix a schematic view of FIG. 5;

[0025]图8示出了图5的金属基体的俯视示意图;以及[0026]图9示出了图8的金属基体的BB向剖视示意图。 [0025] FIG. 8 shows a schematic top view of the metal base in FIG. 5; and [0026] FIG. 9 shows a metal matrix BB in FIG. 8 is a schematic view of the cross-sectional view.

[0027] 其中,上述附图包括以下附图标记: [0027] wherein the above-described drawings include the following reference numerals:

[0028] 10、金属基体;11、尖状结构;111、直形尖状结构;112、钩形尖状结构;12、金属托主体;20、衬垫;21、容纳凹槽。 [0028] 10, the metal substrate; 11, tip structure; 111, straight tip structure; 112, hook tip structure; 12, metal bracket body; 20, pad; 21, the receiving groove.

具体实施方式 Detailed ways

[0029]需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。 [0029] Incidentally, in the case of no conflict, embodiments and features of the embodiments of the present application can be combined with each other. 下面将参考附图并结合实施例来详细说明本发明。 Below with reference to accompanying drawings and embodiments of the present invention will be described in detail.

[0030] 如图1至图9所示,本实施例中的假体部件为髌骨假体。 [0030] As shown in FIG. 1 to FIG. 9, the prosthetic component in the present embodiment is a patella prosthesis.

[0031]如图1至图9所示,本实施例中的假体部件包括金属基体1〇以及与金属基体10配合的衬垫20,衬垫20的材质为超高分子聚乙烯。 [0031] As shown in FIG. 1 to FIG. 9, the prosthetic component embodiment comprises a metal base and a metal 1〇 base material 10 with the pad 20, the pad 20 of the present embodiment ultrahigh molecular weight polyethylene. 金属基体1〇具有朝向衬垫20的配合表面,配合表面经激光毛化处理后形成多个尖状结构11,衬垫20通过热压与金属基体10连接在一起并使每个尖状结构11进入至衬垫20内。 1〇 metal matrix having a mating surface facing the pad 20, the mating surfaces of the plurality of tip-like structure was formed after the laser texturing process 11, the pad 20 is connected by heat pressing together the metal substrate 10 and each of tip-like structure 11 enter into the pad 20.

[0032]应用本实施例的假体部件,在金属基体1〇的配合表面经激光毛化处理后形成多个尖状结构11。 [0032] The prosthetic component according to the present embodiment is applied, after the treatment with the laser texturing the surface of a metal substrate 1〇 plurality of tip-like structure 11 is formed. 在进行假体置换前,先将衬垫20通过热压与金属基体10连接在一起,此时,金属基体10的配合表面上的每个尖状结构11至少部分进入至衬垫20内,从而起到对金属基体10和衬垫2〇的连接固定作用,并且多个尖状结构n可以有效地防止衬垫20相对于金属基体10的微动,使两者之间的固定连接更加稳定,避免连接失效。 Before making prosthesis, the first pad 20 is connected by heat pressing together the metal substrate 10, at this time, the metal matrix of each tip-like structures on the mating surface 10 to the pad 11 at least partially into the interior 20, thereby play metal substrate 10 and the connection pad 2〇 fixation, n and a plurality of tip-like structure 20 can be effectively prevented with respect to the pad oligodynamic metal substrate 10, so that a fixed connection between the two is more stable, avoid connection failure.

[0033]在本实施例中,衬垫20通过热压与金属基体10连接在一起。 [0033] In the present embodiment, the pad 20 is connected together by hot-pressing the metal substrate 10. 具体地,将金属基体10 装在下部模压模具中,金属基体10的具有多个尖状结构11的配合表面朝上,并在下部模压^具中填充超高分子量聚乙烯粉料,将上部模压模具和下部模压模具合模,加压升温后进行保压保温,以使超高分子量聚乙烯粉料形成衬垫20,并且使多个尖状结构n进入至衬垫20内,从而起到对金属基体10和衬垫20的连接固定作用,同时可以有效防止由于超高分子聚乙烯材料老化后材料变性、结合力丧失而导致的假体部件连接失效。 Specifically, the metal base 10 at a lower portion of the molding die, the metallic substrate having a plurality of mating tapered surface 11 of the structure 10 upwardly, and a lower mold having ^ ultrahigh molecular weight polyethylene powder is filled, the upper press a lower mold and a press mold is closed, a heated pressurized packing insulation, ultrahigh molecular weight polyethylene powder so that the pad 20 is formed, and the plurality of tip-like structures to the pad 20 into the n, which play on metallic substrate 10 and the pad 20 is connected to the fixation, and can effectively prevent the material due to the degeneration of the prosthetic member, the binding force after the loss of ultra high molecular weight polyethylene connection failure caused by aging.

[0034]如图4至图9所示,在本实施例的假体部件中,多个尖状结构11包括多个直形尖状结构111和多个钩形尖状结构112。 [0034] As shown in FIG. 4 to FIG. 9, the prosthetic component according to the present embodiment, the plurality of tip-like structure 11 comprises a plurality of tip-like linear-shaped structures 111 and 112 a plurality of hook-like structures tip. 上述多个直形尖状结构111可以进入至衬垫2〇内,将金属基体10和衬垫2〇固定连接在一起。 Said plurality of straight tip-like structure 111 may enter into the liner 2〇, 2〇 fixedly connected to the metal base 10 and the spacer. 上述多个钩形尖状结构112具有钩部,该钩部可以钩住衬垫20,从而起到对衬垫20的拉动作用,有效地防止假体松动,同时,钩形尖状结构112还能够有效地防止金属基体10或衬垫20在受到转动的力矩下产生的松动。 The plurality of tip-like structure 112 having a hook-shaped hook portion, the hook portion of the spacer 20 can be hooked, and thus play a role in stimulating pad 20, to effectively prevent loosening of the prosthesis, while the tip of the hook-like structure 112 further possible to effectively prevent loosening of the metal base 10 or the pad 20 by the rotation generated at the moment. 需要说明的是,本实施例中的尖状结构11包括直形尖状结构111和钩形尖状结构112,但是尖状结构11不限于此, 在图中未示出的其他实施方式中,尖状结构11也可以只包括直形尖状结构111或者只包括钩形尖状结构112,这样的设置同样可以对金属基体10和衬垫20的固定连接作用。 Incidentally, in this embodiment of tip structure 11 comprises a straight pointed tip structure 111 and the hook-like structure 112, but the tip structure 11 is not limited thereto, and other embodiments not shown in the figures, the tip-like structure 11 may include only straight tip structure 111 or only the tip of hook-like structure 112, the same effect may be fixedly connected to such an arrangement of the metallic substrate 10 and the pad 20.

[0035]如图4、图5、图7至图9所示,在本实施例的假体部件中,多个直形尖状结构hi位于预定圆周范围内,多个钩形尖状结构112位于多个直形尖状结构111的周向外侧。 [0035] As shown in FIG. 4, 5, 7 to 9, the prosthetic component according to the present embodiment, the plurality of tip-like configuration hi straight within a predetermined circumferential range, a plurality of hook-shaped tip-like structure 112 a plurality of straight circumferential tip-like structure 111 to the outside. 在本实施例中,金属基体10朝向衬垫20的配合表面上设置有预定圆周范围,多个直形尖状结构ill位于上述预定圆周范围内,保证了良好的扦插效果。 In the present embodiment, the metal matrix is ​​provided with a predetermined circumferential range in the mating surface 10 toward the pad 20, a plurality of pointed straight ill-like structure located within the predetermined circumferential range, to ensure a good cutting effect. 多个钩形尖状结构112位于多个直形尖状结构111的周向外侧,使其对衬垫20的拉动作用力更加均匀,防止假体松动的效果更好。 A plurality of hook-like structures 112 is pointed straight circumferential plurality of tip-like structure 111 to the outside, so that a more uniform pulling force on the pad 20, preventing prosthesis loosening better. [0036]如图4、图5、图7至图9所示,在本实施例的假体部件中,多个直形尖状结构111在金属基体10的预定圆周内沿周向间隔设置以形成直形尖状结构组,直形尖状结构组为多个, 多个直形尖状结构组沿金属基体10的径向间隔设置。 [0036] As shown in FIG. 4, 5, 7 to 9, the prosthetic component according to the present embodiment, the plurality of tip-like structure 111 straight along the circumference of the metal base 10 a predetermined circumferential intervals to straight tip structure formed group, straight tip-like structure into a plurality of groups, a plurality of straight radially tapered configuration group metal substrate 10 intervals. 多个钩形尖状结构112在多个直形尖状结构111的外侧沿周向间隔设置以形成钩形尖状结构组,钩形尖状结构组为多个,多个钩形尖状结构组沿金属基体10的径向间隔设置。 A plurality of hook-like structures 112 on the outside of the tip along the straight circumferential plurality of tip-like structure 111 of the tip spaced hook-like structure to form the group, the hook-shaped tip-like structure into a plurality of groups, a plurality of hook-shaped tip-like structure group radially spaced metal substrate 10. 上述直形尖状结构111和钩形尖状结构112的排布方式简单整齐,使衬垫20受力更加均匀,并且易于加工。 Said straight tip-like structures 111 and hook-shaped tip 112 structurally simple embodiment of the neat arrangement, the gasket 20 is more uniform force, and ease of processing. 需要说明的是,直形尖状结构111和钩形尖状结构112的排布方式不限于此,在图中未示出的其他实施方式中,也可以为其他可以起到固定作用的排布方式。 Incidentally, straight pointed tip structure 111 and the hook-like structural arrangement of the embodiment 112 is not limited thereto, in the embodiment of FIG other embodiments not shown, the play may be arranged for the fixation of other the way.

[M37]如图4至图9所示,在本实施例的假体部件中,每个钩形尖状结构112的钩部朝向背离多个直形尖状结构111的方向设置。 [M37] As shown in FIG. 4 to FIG. 9, the prosthetic component in the present embodiment, the hook portion of each hook tip-like structure 112 facing away from the setting direction a plurality of straight tapered structure 111. 上述结构使钩形尖状结构112对衬垫20的拉动作用力方向均沿径向,固定效果好。 The above-described structure enables the hook-shaped tip structure 112 of pads 20 are pulling force in the radial direction, good fixing effect. 当然,钩形尖状结构112的钩部的朝向不限于此,在图中未示出的其他实施方式中,也可以根据具体需要选择其他朝向。 Of course, the hook portion toward the tip of the hook-like structure 112 is not limited thereto, and other embodiments not shown in the figure, the concrete may be selected according to other orientations.

[0038]如图4、图5、图7至图9所示,在本实施例的假体部件中,多个钩形尖状结构112的密度小于多个直形尖状结构111的密度。 [0038] As shown in FIG. 4, 5, 7 to 9, the prosthetic component according to the present embodiment, the density of a plurality of hook-shaped tip-like structure 112 is less than the density of the plurality of tip-like straight structure 111. 上述结构使防止假体松动的效果更好。 The above-described structure allows preventing loosening better.

[0039]如图4、图5、图7至图9所示,在本实施例的假体部件中,直形尖状结构111的长度大于钩形尖状结构II2的长度。 [0039] As shown in FIG. 4, 5, 7 to 9, the prosthetic component in the present embodiment, the length of the straight-shaped tapered structure 111 is greater than the length of the hook-shaped tip-like structure II2. 直形尖状结构111的长度大于钩形尖状结构112的长度,可以保证直形尖状结构111的扦插深度,并且增大钩形尖状结构112对衬垫20的拉动作用力,增强防松动效果。 The length of tip structure 111 is greater than the straight hook tip-like structure 112 of the length, the depth of cutting can be ensure straight tip structure 111 and increases the hook tip structure 112 of pads 20 of pulling force, the anti-enhancement loosening effect. 在本实施例中,优选地,直形尖状结构111的长度为钩形尖状结构112的长度的两倍。 In the present embodiment, preferably, the length of the straight-shaped tapered structure 111 is twice the length of the tip 112 of the hook-like structure. 在图中未示出的其他实施方式中,直形尖状结构111的长度和钩形尖状结构112的长度也可以根据具体需要进行选择。 Other embodiments not shown, the length and the hook-like structure 111 of the tip 112 of the straight tip structure can also be selected according to specific needs in FIG.

[0040] 此外,本实施例中尖状结构11是通过激光毛化处理形成的。 [0040] Further, the present embodiment the tip structure 11 embodiment is formed by the laser texturing process. 激光毛化技术可以精确控制所加工金属表面的形貌和粗糙度,其采用特殊声光调制的高重频激光脉冲经光学系统聚焦,对金属表面进行均匀扫描,在金属表面形成间距稳定的熔凝微坑和凸台,从而完成金属表面的均匀毛化。 Laser texturing technique can precisely control the machined metal surface roughness and morphology, which uses special melting AOM high frequency laser pulses through the focusing optical system, for scanning a uniform metal surface, the metal surface is formed of a stable pitch micropitting condensate and the boss, thereby completing the uniform textured metal surface. 设备具有独特的二维可控无规则毛化分布技术,可实现毛化点菱形、 矩形和无规则分布毛化,大大改善了毛化的均匀性。 A controllable device having a unique two-dimensional distribution of randomly texturing techniques to achieve texturing point diamond, rectangular and irregular distribution of the hair, the hair of greatly improved uniformity. 此外,激光毛化技术可以在毛化的同时,使激光作用区的金属材料获得超常硬度,延长使用寿命。 In addition, laser texturing technique may be simultaneous texturing of the metal material region to obtain laser action extraordinary hardness and prolong life.

[0041]如图1至图4所示,在本实施例的假体部件中,髌骨假体的金属基体10为金属托,衬垫20为与金属托连接的髌骨关节衬垫,金属托朝向髌骨关节衬垫的表面为配合表面。 [0041] As shown in FIG. 1 to FIG. 4, the prosthetic component in the present embodiment, the metal matrix patella prosthesis 10 Torr metal, patellar pad 20 and pad metal holder connected to the metal holder toward patellar articular surface for the mating surface of the pad. 金属托包括金属托主体12,髌骨关节衬垫朝向金属托的侧壁上具有用于容纳金属托主体12的容纳凹槽21,金属托主体I2朝向容纳凹槽M的表面为配合表面。 Torr torr metal comprises a metal body 12, the patellar pad toward the sidewalls of the metal holder for receiving a metal bracket having a receiving groove 12 of the body 21, a metal holder main body toward the receiving recess M I2 surface for the mating surface. 将金属托主体12嵌入到髌骨关节衬垫内,可以防止金属托主体12与其他植入物或骨骼发生撞击,并且可以有效地防止髌骨关节衬垫断裂。 The metal bracket body 12 is fitted into the patellar pad metal holder body 12 can be prevented from collision with other implants or bone, can be effectively prevented and the cushion patellar fracture.

[0042]需要说明的是,假体部件不限于髌骨假体,在图中未示出的其他实施方式中,假体部件还可以为股骨髁假体、胫骨平台假体等。 [0042] Incidentally, a prosthetic patellar component members are not limited to, other embodiments not shown in the drawings, the prosthetic component may also be a prosthetic femoral condyle, tibial prostheses. 例如,胫骨平台假体中的金属胫骨假体底盘和超高分子聚乙烯的关节表面衬垫之间的连接也可以采用本申请中的连接结构,从而保证表面衬垫与金属胫骨假体底盘的良好结合。 For example, the connection between the metal chassis tibial prosthesis tibial articular surface of the pad and ultrahigh molecular weight polyethylene may also be employed in the connection structure of the present application, thus ensuring the surface of the liner and the metal tibial prosthesis chassis a good combination.

[0043]以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。 [0043] The above description is only preferred embodiments of the present invention, it is not intended to limit the invention to those skilled in the art, the present invention may have various changes and variations. 凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the present invention. ' '

Claims (9)

1. 一种假体部件,包括金属基体(10)以及与所述金属基体(10)配合的衬垫(20),所述衬垫(20)的材质为超高分子聚乙烯,其特征在于,所述金属基体(10)具有朝向所述衬垫(20) 的配合表面,所述配合表面经激光毛化处理后形成多个尖状结构(11),所述衬垫(20) 通过热压与所述金属基体(1〇)连接在一起并使每个所述尖状结构(11)的至少部分进入至所述衬垫(20)内,所述多个尖状结构(11)包括多个直形尖状结构(111)和/或多个钩形尖状结构(112)。 A prosthetic component comprising (10) and the base metal and the base metal (10) spacer (20) is fitted, said spacer (20) is made of ultra high molecular weight polyethylene, characterized in that , the metal matrix (10) having facing said liner (20) of the mating surface, the mating plurality of tip-like structure (11) is formed by the rear surface of the laser texturing process, the pad (20) by heat and pressing the metal matrix (1〇) are connected together and each of said tip structure (11) to at least partially into the liner (20), the plurality of tip-like structure (11) comprising a plurality of straight tip structure (111) and / or a plurality of hook-like tip structures (112).
2. 根据权利要求1所述的假体部件,其特征在于,所述多个尖状结构(11)包括所述多个直形尖状结构(111)和所述多个钩形尖状结构(112),所述多个直形尖状结构(111)位于预定圆周范围内,所述多个钩形尖状结构(112)位于所述多个直形尖状结构(111)的周向外侧。 2. The prosthetic component according to claim 1, wherein said plurality of tip-like structure (11) comprises a plurality of said straight tip structure (111) and said plurality of hook-shaped tip-like structure (112), said plurality of straight tip structure (111) is within a predetermined circumferential range, a plurality of hook-like tip structures (112) in said plurality of straight tip structure (111) in the circumferential direction outside.
3. 根据权利要求2所述的假体部件,其特征在于,每个所述钩形尖状结构(112)的钩部朝向背离所述多个直形尖状结构(111)的方向设置。 3. The prosthetic component according to claim 2, characterized in that each tip of said hook-like structure (112) hook portions facing away from the direction of the arranged plurality of straight tip structure (111).
4. 根据权利要求1所述的假体部件,其特征在于,所述多个钩形尖状结构(112)的分布密度小于所述多个直形尖状结构(111)的分布密度。 4. The prosthetic component according to claim 1, wherein the distribution density of the plurality of hook-shaped tip-like structure (112) is smaller than the distribution density of the plurality of linear-shaped tip-like structure (111).
5. 根据权利要求2至4中任一项所述的假体部件,其特征在于,所述直形尖状结构(111) 的长度大于所述钩形尖状结构(112)的长度。 The prosthetic component according to any one of claims 2 to 4, characterized in that the length of the straight tip structure (111) is larger than the tip of the hook-like structure (112) length.
6. 根据权利要求5所述的假体部件,其特征在于,所述直形尖状结构(111)的长度为所述钩形尖状结构(112)的长度的两倍。 6. The prosthetic component according to claim 5, characterized in that the straight tip structure (111) has a length twice the length of the tip of the hook-like structure (112).
7. 根据权利要求1所述的假体部件,其特征在于,所述假体部件为髌骨假体。 The prosthetic component according to claim 1, wherein the prosthetic component is a patella prosthesis.
8. 根据权利要求7所述的假体部件,其特征在于,所述金属基体(1〇)为金属托,所述衬垫(20)为与所述金属托连接的髌骨关节衬垫,所述金属托朝向所述髌骨关节衬垫的表面为所述配合表面。 8. The prosthetic component according to claim 7, wherein said metal base (1〇) is a metal holder, the gasket (20) for the patellar pad connected to the metal holder, the said holder toward said metal patellar articular surface of the pad to the mating surface.
9. 根据权利要求8所述的假体部件,其特征在于,所述金属托包括金属托主体(12),所述髌骨关节衬垫朝向所述金属托的侧壁上具有用于容纳所述金属托主体(12)的容纳凹槽(21) ,所述金属托主体(12)朝向所述容纳凹槽(21)的表面为所述配合表面。 9. The prosthetic component according to claim 8, wherein said metal comprises a metal tray holder body (12), the patellar pad towards the upper side wall for accommodating the metallic holder metal holder body (12) of the receiving groove (21), the metallic holder body (12) towards the receiving groove (21) to a surface of the mating surface.
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