CN104921847B - 用于肩关节假体的关节窝部件的套件 - Google Patents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
- A61F2002/30899—Protrusions pierced with apertures
- A61F2002/30902—Protrusions pierced with apertures laterally or radially
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Abstract
一种关节窝部件套件(J)包括关节窝部件(S1、S2、M1、M2、L1、L2),每个关节窝部件均包括本体(S1.1、S2.1、M1.1、M2.1、L1.1、L2.1),所述本体(S1.1、S2.1、M1.1、M2.1、L1.1、L2.1)在本体的两个相对面上分别限定有:用于以铰接的形式与肱骨头协作的接合表面(S1.2、S2.2、M1.2、M2.2、L1.2、L2.2),以及支承抵靠在肩胛骨的关节盂上的支承表面(S1.3、S2.3、M1.3、M2.3、L1.3、L2.3)。在此关节窝部件的套件中,关节窝部件被设置成若干不同尺寸(S、M、L),这些尺寸分别由关节窝部件的本体的接合表面的尺寸限定。设置有至少两个关节窝部件(S1和S2、M1和M2、L1和L2),其中,关节窝部件的各自的本体的支承表面(S1.3和S2.3、M1.3和M2.3、L1.3和L2.3)分别具有不同尺寸的几何形状,使得外科医生能够改进植入的关节窝部件与进行手术的关节盂之间的机械协作的耐久性。
Description
本申请是2011年10月24日递交的、国家申请号为:201110329063.8、发明名称为“用于肩关节假体的关节窝部件的套件”的专利申请的分案申请。
技术领域
本发明涉及用于肩关节假体的关节窝部件的套件。
背景技术
通常,这种类型的部件的本体不是很厚,所述本体的两个相对的主面分别地适于以铰接方式与天然的或人工的肱骨头协作,并且适于被压靠肩胛骨的关节盂,从而在该处固定。为此,第一前述面包括大致为球面的接合表面,而第二面包括支承表面,所述支承表面也是球面的或是平面的,通常例如是龙骨或销钉的至少一个骨锚定元件在所述支承表面的中央区域突出至关节盂中。
已知的是:设置具有若干种尺寸的这种关节窝部件,所述若干种尺寸分别由部件的本体的铰接表面的尺寸来限定,而在各尺寸内的支承表面都是彼此相同的。FR-A-2848099提供了这样的具有不同尺寸的关节窝部件的套件的示例。
因此,外科医生可以具体地根据患者的(骨)形态选择具有可能最适合于被治疗的患者的尺寸的关节窝部件。因此,患者的假体肩关节的关节性能经常能令人满意。但是,同时应注意到,在使用期间,由于本体和关节盂之间的接触面的磨损或机械变化,植入的关节窝部件逐渐趋于与关节盂不密封。
发明内容
本发明的目的是提出一种关节窝植入物的套件,该关节窝植入物的套件使外科医生能够改进植入的关节窝部件与被进行手术的患者的关节盂之间的机械协作的持久性。
为此,本发明涉及一种肩关节假体的关节窝部件的套件,该肩关节假体的关节窝部件的套件包括关节窝部件,每个关节窝部件均包括本体,该本体在本体的两个相对面上分别限定有:用于以铰接的方式与天然的或人工的肱骨头协作的接合表面,以及抵靠在肩胛骨的关节盂上的支承表面,在所述套件中的关节窝部件被设置成若干不同尺寸,该若干不同尺寸分别由关节窝部件的本体的接合表面的尺寸限定,关节窝部件的套件的特征在于,在各尺寸中,设置有至少两个关节窝部件,其中这两个部件各自的本体的支承表面分别具有不同的空间几何形状。
本发明的所基于的构思之一是要为外科医生提供不同尺寸的关节窝部件,对每种尺寸,均可使用若干关节窝部件,该若干关节窝部件各自的支承表面被设置成互不相同。这样,为了将假体放置在特定患者的肩部内,外科医生基于关于与患者人工的或天然的肱骨头重新建立的关节的考虑来决定他将要植入的关节窝部件的尺寸,接着,外科医生在其所选择的尺寸内选择具有最适合于患者的自然实际尺寸的关节盂或经手术处理后的关节盂的支承表面的关节窝部件,优选地保留了实际存在的骨材料的最大可能的量。因此,本发明打破了传统的“教条”,根据传统的“教条”外科医生绝对必须为患者的关节盂执行相当大量的骨处理手术,这是因为外科医生需要从肩胛骨移除大量骨材料以在患者的肩胛骨中成形关节盂,该关节盂适合于唯一的几何形状并施加在外科医生根据部件的尺寸,即根据该部件的接合表面选择的部件的关节窝支承表面上。相反地,当许可外科医生为将要植入的关节窝部件选择尺寸时,本发明容许外科医生考虑被动手术的关节窝的实际状况。此外,与人们可能的想法不同,患者的关节盂的骨状态以与使用肩关节假体重新建立的关节协作不相关的方式,以不可忽略的比例变化。
根据本发明,具有相同尺寸的不同的关节窝部件的支承表面之间的差异可以遵循这些表面的整体几何尺寸,或者对于特定几何形状,可以遵循所述几何形状的尺寸。本发明的这个方面将通过示例在下文中更详细地描述。
当然,根据本发明的关节窝部件的套件中的尺寸的数量,以及在相同尺寸中,具有不同的各支承表面的关节窝部件的数量可根据希望而尽量大。
按照根据本发明的关节窝部件的套件的附加有利特征,所述有利特征被单独或根据所有技术上可能而进行组合而考虑:
–对于具有相同尺寸的至少两个关节窝部件分别设置成不相同的空间几何形状,对应于相同的凸形曲面形状但具有多种不同的曲面;
-相同凸形曲面形状基本上为球面部,使得对于具有相同尺寸的至少两个关节窝部件分别设置成不相同的所述空间几何形状,对应于多种不同曲率半径;
-对于至少一些尺寸,所述具有相同尺寸的至少两个部件的支承表面的各自的曲率半径之间的差大于4mm,优选地大于8mm;
-当在所述尺寸中从较小尺寸到较大尺寸时,至少有一次,对于相同的尺寸分别设置成不相同的曲率半径中的至少一个具有不变的值。
-当在所述尺寸中从较小尺寸到较大尺寸时,至少有一次,对于相同的尺寸分别设置成不相同的曲率半径中的至少一个具有增大的值。
-对于具有相同尺寸的至少两个关节窝部件分别设置成不相同的空间几何形状,对应于同样数目的不同几何形状,其中,所述不同几何形状至少有平面、凸形曲面、凹形曲面、以及台阶状表面。
-对于具有相同尺寸的至少两个关节窝部件分别设置成不相同的所述空间几何形状中的至少一个在所述不同尺寸中至少两个中是相同的。
-关节窝部件套件的关节窝部件中的至少一个在肩胛骨的关节盂中设置有至少一个锚固元件,该至少一个锚固元件从所述关节窝部件的支承表面突出。
-关节窝部件套件的每个关节窝部件的支承表面占据在可能存在的锚固元件外部的、关节窝部件的本体的相应面的大部分或全部。
一种用于肩关节中的关节窝部件的套件,所述套件包括:第一关节窝部件,所述第一关节窝部件具有第一接合表面和第一支承表面;以及第二关节窝部件,所述第二关节窝部件具有第二接合表面和第二支承表面;其中所述第一接合表面和所述第二接合表面中的每一者被构造成与与人工的或天然的肱骨头协作,且其中所述第一支承表面和所述第二支承表面的每一者被构造成放置为抵靠肩关节的肩胛骨臼;其中所述第一接合表面和所述第二接合表面是具有相同曲率半径的曲面,所述第一支承表面和所述第二支承表面是曲面,所述第一支承表面具有第一曲率半径,且所述第二支承表面具有第二曲率半径,所述第二曲率半径比所述第一曲率半径更大。
所述第一支承表面和所述第二支承表面具有凸形曲面。
所述第二曲率半径比所述第一曲率半径至少大4mm。
所述第二曲率半径比所述第一曲率半径至少大8mm。
所述第一支承表面和所述第二支承表面中的至少一者包括构造成用于与肩关节的肩胛骨臼相接合的突出的锚固元件。
所述第一关节窝部件包括第一顶表面和第一底表面,所述第一顶表面包括所述第一接合表面,所述第一底表面包括所述第一支承表面,其中所述第一支承表面占据所述第一底表面的除锚固元件外的大部分或全部。
所述第一接合表面和所述第二接合表面均包括凹形曲面。
所述第一关节窝部件和所述第二关节窝部件为第一尺寸,所述套件还包括:第三关节窝部件,所述第三关节窝部件具有第三接合表面和第三支承表面;以及第四关节窝部件,所述第四关节窝部件具有第四接合表面和第四支承表面;其中所述第三接合表面和第四接合表面中的每一者也被构造成与人工的或天然的肱骨头协作,且其中所述第三支承表面和所述第四支承表面的每一者也被构造成放置为抵靠肩关节的肩胛骨臼;其中所述第三接合表面和所述第四接合表面是具有相同曲率半径的曲面,所述第三支承表面和所述第四支承表面是曲面,所述第三支承表面具有第三曲率半径,且所述第四支承表面具有第四曲率半径,所述第四曲率半径比所述第三曲率半径更大。
所述第一曲率半径与所述第三曲率半径相同。
所述第二曲率半径与所述第四曲率半径相同。
所述第一曲率半径比所述第四曲率半径更小。
所述第三接合表面和所述第四接合表面的曲率半径比所述第一接合表面和所述第二接合表面的曲率半径大。
所述第一曲率半径比所述第二曲率半径至少小4mm。
所述第一曲率半径比所述第二曲率半径至少小8mm。
所述第一支承表面和所述第三支承表面具有相同的空间几何形状。
所述套件,还包括:第五关节窝部件,所述第五关节窝部件具有第五接合表面和第五支承表面;以及第六关节窝部件,所述第六关节窝部件具有第六接合表面和第六支承表面;其中所述第五接合表面和所述第六接合表面中的每一者也被构造成与人工的或天然的肱骨头协作,且其中所述第五支承表面和所述第六支承表面的每一者也被构造成放置为抵靠肩关节的肩胛骨臼;其中所述第五接合表面和所述第六接合表面是具有相同曲率半径的曲面,所述第五支承表面和所述第六支承表面是曲面,所述第五支承表面具有第五曲率半径,且其中所述第六支承表面具有第六曲率半径,所述第六曲率半径比所述第五曲率半径更大。
所述第一关节窝部件、所述第二关节窝部件、所述第三关节窝部件、所述第四关节窝部件、所述第五关节窝部件和所述第六关节窝部件被包装为成套用具。
所述第一曲率半径与所述第三曲率半径相同,但是比所述第五曲率半径更小。
所述第二曲率半径与所述第四曲率半径相同,但是比所述第六曲率半径更小。
所述第五曲率半径比所述第六曲率半径至少小4mm。
所述第五曲率半径比所述第六曲率半径至少小8mm。
附图说明
通过阅读下述仅作为示例而提供的描述,并参照附图,将更好地理解本发明,其中:
图1是属于根据本发明的关节窝部件套件的关节窝部件的透视图;
图2是沿图1中的平面II观察的剖视图;以及
图3是根据本发明的关节窝部件套件的结构图。
具体实施方式
图1和图2示出关节窝假体部件S2。
这个部件S2具有主要本体S2.1,该主要本体S2.1在两个空间维度上具有侧部,该侧部明显大于在本体的第三空间维度上的侧部——该侧部因此对应于本体的厚度。本体S2.1因此具有两个相对的主面,这两个相对的主面由体现本体的前述厚度的外围面连接。
如图1和图2所示,本体S2.1也可以是单件,或相当于由若干零件组成的固定组件。此外,本体S2.1由一种或多种材料制成,其中,该一种或多种材料具有适当的刚度与强度,使得本体S2.1既以铰接的方式与肱骨头(未示出)协作,如下文更详细地说明的,又被稳定地固定到肩胛骨的骨关节盂(也未在图中示出)中。
本体S2.1的两个前述主面之一限定有接合表面S2.2,接合表面S2.2成形为与前述肱骨头的基本上互补的表面铰接。在实践中,该肱骨头是天然的——即它对应于与肩胛骨相关联的肱部的、天然的上骨端,或者是人工的——即它由关节窝部件S2所属于的肩关节假体的肱骨部件限定。
通常,本体S2.1的接合表面S2.2大致为球面。相应的曲率半径表示为RS。在图1和图2中的实施例中,该接合表面S2.2是凹入的。在未示出的替代方式中,该接合表面可以是凸起的。
在实践中,接合表面S2.2有利地占据本体S2.1的相应面的大部分,或占据所述相应面的全部,如例如在图1和图2所示出的。
本体S2.1的另外的主面适于稳定地紧固到前述关节盂内。为此,该主面包括在关节盂上的支承表面S2.3,用于在关节盂内进行锚固的锚固龙骨S2.4从所述支承表面S2.3的中央区域延伸。
在实践中,支承表面S2.3在锚固龙骨S2.4的外侧有利地占据本体S2.1的相应面的大部分,或所述相应面的全部,如例如在附图中所示出的。
作为未示出的可替代方案,可设置除龙骨S2.4之外的骨锚固元件,以取代或补充所述龙骨。同样地,这种锚固元件可完全省略。
在图1和图2中示的实施例中,本体S2.1的支承表面S2.3大致为球面,也就是说,支承表面S2.3对应于曲率半径表示为rS2的球形部。
在实践中,表面S2.2和S2.3可以是或可以不是同心的。如果它们不同心,它们各自的几何中心可以位于或可以不位于本体S2.1的相同的中面。
根据本发明,已经按照图1和图2进行了描述的关节窝部件S2,属于六个关节窝部件的套件J,如图3所示。因此,除了出现在图3右上角的关节窝部件S2以外,关节窝部件的套件J包括五个另外的关节窝部件,这五个另外的关节窝部件分别标记为S1、M1、M2、L1和L2。
部件S1、M1、M2、L1和L2中的每一个均包括在功能上相似于部件S2的本体S2.1的本体S1.1、M1.1、M2.1、L1.1和L2.1。具体地,每个本体S1.1、M1.1、M2.1、L1.1、L2.1具有:在功能上相似于部件S2的接合表面S2.2的接合表面S1.2、M1.2、M2.2、L1.2和L2.2,以及在功能上相似于部件S2的支承表面S2.3的支承表面S1.3、M1.3、M2.3、L1.3、L2.3,其中接合表面S1.2、M1.2、M2.2、L1.2和L2.2分别与支承表面S1.3、M1.3、M2.3、L1.3、L2.3相对。
部件S1与部件S2具有相同的尺寸,这是因为它们各自的接合表面S1.2和S2.2具有基本上相同的尺寸:特别地,如图3中示出的示例,这些接合表面S1.2和S2.2大致为球面,并具有相同的曲率半径RS。因此部件S1与S2在关节窝部件的套件J内形成具有尺寸S的组。
另一方面,部件S1的支承表面S1.3的空间几何形状与部件S2的支承表面S2.3的空间几何形状相比较是不同的。更确切地,支承表面S1.3和S2.3都具有相同的球面形状,但它们各自的曲率半径rS1和rS2是不同的:rS1严格地小于rS2。
同样地,部件M1和M2有相同尺寸,并因此在关节窝部件的套件J内形成两个部件的组,在图3中标记为M。类比于对部件S1与S2的描述,可以理解的是部件M1和M2的接合表面M1.2和M2.2具有基本相同的尺寸,特别地,在所示示例中,具有相同曲率半径RM。包括部件M1和M2的具有尺寸M的组与包括部件S1和S2的具有尺寸S的组不同,因为半径RM的值严格地大于半径RS的值。
此外,具有尺寸M的组的部件M1和M2的支承表面M1.3和M2.3具有与具有尺寸S的组的部件S1和S2的支承表面不同的空间几何形状,即这些支承表面都是球面部,其中该球面部的各自的半径rM1和rM2是不同的,半径rM1的值严格小于半径rM2的值。
在图3所示的示例中,应当注意到,半径rS1和rM1具有相同的值且半径rS2和rM2也具有相同值。换句话说,当从具有尺寸S的组到具有尺寸M的组,支承表面S1.3和M1.3的曲率半径rS1和rM1具有不变的值。对于支承表面S2.3和M2.3来说,这同样成立。
最后,通过对关于具有尺寸S的组的部件S1和S2以及具有尺寸M的组的部件M1和M2的前述技术考虑因素的变换,应当理解,部件L1和L2构成具有尺寸L的组,使得:
-部件L1和L2的接合表面L1.2和L2.2具有大致相同的尺寸,特别地,具有相同曲率半径LL,曲率半径LL的值严格地大于半径RM的值,并且
-支承表面L1.3和L2.3都是具有各自的曲率半径rL1和rL2的球面部,半径rL1的值严格地小于半径rL2的值。
在图3所示的实施例中,应当注意到,半径rL1的值严格地大于半径rM1但小于半径rM2的值。而半径rL2的值严格地大于半径rM2的值。
同样在图3所示的实施例中,应当注意到,除了具有从尺寸S到尺寸M,到尺寸L连续地增大的曲率半径RS,RM和RL外,具有相同尺寸的组中的每一个的关节窝部件的接合表面的接合表面的边到边的扩张区域的增大并不相同,特别是图3的切割平面的增大不相同。但是,这种设置对本发明来说不是必要的。
因此,应当理解的是,关节窝部件的套件J的关节窝部件被分解为具有不同尺寸S、M和L的三个组。根据外科医生是随意地选择部件S1和S2中的一个或是随意地选择部件M1和M2中的一个或是随意地选择部件L1和L2中的一个,所选择的关节窝部件的关于患者的肱骨头的接合性能是确定的。但是,对于尺寸S、M和L中的每一个,外科医生从两个可用的部件中的选择一个,容许他考虑被治疗患者的关节盂的实际状况:具体地,外科医生将从两个可用部件中选择支承表面的曲率最适合于关节盂的实际几何构型的那一个,特别地以便限制关节盂的前期准备的范围,从而限制了骨物质的损失,而且使得在植入期间关节盂与所选择的部件之间产生的支承接触面的范围最优。
在实践中,具有相同尺寸的部件的支承表面的曲率半径之间的差优选地大于或等于4mm,或甚至大于或等于8mm。因此,关于图3所示的关节窝部件的套件J的实施例的数值量的一个示例如下:
-rS1=34mm,
-rS2=38mm,
-rM1=34mm,
-rM2=38mm,
-rL1=36mm,以及
-rL2=44mm。
当然,可对关节窝部件的套件J考虑各种设置和可替代方案。作为示例,具有不同尺寸S、M和L的三个组之一可包括多于两个的关节窝部件,现有的至少三个关节窝部件的各自的支承表面分别具有不同的空间几何形状。同样地,关节窝部件的套件可仅设置有具有不同尺寸的两个组,例如S和M,或S和L,或M和L。当然,关节窝部件的套件也可包括具有不同尺寸的多于三个组。
根据本发明的未示出的一个可替代方案,如对于关节窝部件的套件J的情况,具有相同尺寸的关节窝部件的支承表面之间的空间几何形状的差异并不对应于相同几何形状的尺寸的差异,但是该差异是基于存在与相同尺寸的组中存在的关节窝部件同样数目的多个不同几何形状。更确切地,在具有相同尺寸的每组内,关节窝部件之一具有例如平面支承表面,而另外的关节窝部件具有凸形曲面的支承表面。更一般地,存在于前述组中的至少两个关节窝部件的各自的支承表面则具有至少选自平面、凸形曲面,凹形曲面和台阶状表面的不同几何形状。
可选择地,关节窝部件套件J的部件的支承表面并非是如图中所示出的那样严格光滑的,而是可以具有粗糙度,或甚至具有在宏观方面的粗糙度——例如凹槽,锥体凸角,圆锥凹坑,等等——以增强部件在关节盂中的固定作用。
根据未示出的可替代方案,本发明的技术教导可应用于除肩关节假体的关节窝部件外的其他关节假体的部件。因此,可应用到膝部假体的部件套件,或髋部假体的部件套件,或甚至踝部假体的部件套件,或甚至肘部假体的部件套件或甚至腕部假体的部件套件,这些部件套件中的每一个均包括具有不同尺寸的接合表面的假体部件,而在这些尺寸的每一个中,至少两个部件设置有各自的骨支承表面,该骨支承表面相互之间是不同的。
Claims (21)
1.一种用于肩关节中的关节窝部件的套件,所述套件包括:
第一关节窝部件,所述第一关节窝部件具有第一接合表面和第一支承表面;以及
第二关节窝部件,所述第二关节窝部件具有第二接合表面和第二支承表面;其中所述第一接合表面和所述第二接合表面中的每一者被构造成与与人工的或天然的肱骨头协作,且其中所述第一支承表面和所述第二支承表面的每一者被构造成放置为抵靠肩关节的肩胛骨臼;
其中所述第一接合表面和所述第二接合表面是具有相同曲率半径的曲面,所述第一支承表面和所述第二支承表面是曲面,所述第一支承表面具有第一曲率半径,且所述第二支承表面具有第二曲率半径,所述第二曲率半径比所述第一曲率半径更大。
2.根据权利要求1所述的套件,其中,所述第一支承表面和所述第二支承表面具有凸形曲面。
3.根据权利要求1所述的套件,其中,所述第二曲率半径比所述第一曲率半径至少大4mm。
4.根据权利要求3所述的套件,其中,所述第二曲率半径比所述第一曲率半径至少大8mm。
5.根据权利要求1所述的套件,其中,所述第一支承表面和所述第二支承表面中的至少一者包括构造成用于与肩关节的肩胛骨臼相接合的突出的锚固元件。
6.根据权利要求1所述的套件,其中,所述第一关节窝部件包括第一顶表面和第一底表面,所述第一顶表面包括所述第一接合表面,所述第一底表面包括所述第一支承表面,其中所述第一支承表面占据所述第一底表面的除锚固元件外的大部分或全部。
7.根据权利要求1所述的套件,其中,所述第一接合表面和所述第二接合表面均包括凹形曲面。
8.根据权利要求1-7中的任一项所述的套件,其中,所述第一关节窝部件和所述第二关节窝部件为第一尺寸,所述套件还包括:
第三关节窝部件,所述第三关节窝部件具有第三接合表面和第三支承表面;以及
第四关节窝部件,所述第四关节窝部件具有第四接合表面和第四支承表面;其中所述第三接合表面和第四接合表面中的每一者也被构造成与人工的或天然的肱骨头协作,且其中所述第三支承表面和所述第四支承表面的每一者也被构造成放置为抵靠肩关节的肩胛骨臼;
其中所述第三接合表面和所述第四接合表面是具有相同曲率半径的曲面,所述第三支承表面和所述第四支承表面是曲面,所述第三支承表面具有第三曲率半径,且所述第四支承表面具有第四曲率半径,所述第四曲率半径比所述第三曲率半径更大。
9.根据权利要求8所述的套件,其中,所述第一曲率半径与所述第三曲率半径相同。
10.根据权利要求9所述的套件,其中,所述第二曲率半径与所述第四曲率半径相同。
11.根据权利要求8所述的套件,其中,所述第一曲率半径比所述第四曲率半径更小。
12.根据权利要求11所述的套件,其中,所述第三接合表面和所述第四接合表面的曲率半径比所述第一接合表面和所述第二接合表面的曲率半径大。
13.根据权利要求8所述的套件,其中,所述第一曲率半径比所述第二曲率半径至少小4mm。
14.根据权利要求13所述的套件,其中,所述第一曲率半径比所述第二曲率半径至少小8mm。
15.根据权利要求8所述的套件,其中,所述第一支承表面和所述第三支承表面具有相同的空间几何形状。
16.根据权利要求8所述的套件,还包括:
第五关节窝部件,所述第五关节窝部件具有第五接合表面和第五支承表面;以及
第六关节窝部件,所述第六关节窝部件具有第六接合表面和第六支承表面;其中所述第五接合表面和所述第六接合表面中的每一者也被构造成与人工的或天然的肱骨头协作,且其中所述第五支承表面和所述第六支承表面的每一者也被构造成放置为抵靠肩关节的肩胛骨臼;
其中所述第五接合表面和所述第六接合表面是具有相同曲率半径的曲面,所述第五支承表面和所述第六支承表面是曲面,所述第五支承表面具有第五曲率半径,且其中所述第六支承表面具有第六曲率半径,所述第六曲率半径比所述第五曲率半径更大。
17.根据权利要求16所述的套件,其中,所述第一关节窝部件、所述第二关节窝部件、所述第三关节窝部件、所述第四关节窝部件、所述第五关节窝部件和所述第六关节窝部件被包装为成套用具。
18.根据权利要求16所述的套件,其中,所述第一曲率半径与所述第三曲率半径相同,但是比所述第五曲率半径更小。
19.根据权利要求18所述的套件,其中,所述第二曲率半径与所述第四曲率半径相同,但是比所述第六曲率半径更小。
20.根据权利要求16所述的套件,其中,所述第五曲率半径比所述第六曲率半径至少小4mm。
21.根据权利要求20所述的套件,其中,所述第五曲率半径比所述第六曲率半径至少小8mm。
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CN201110329063.8A Active CN102551922B (zh) | 2010-10-22 | 2011-10-24 | 用于肩关节假体的关节窝部件的套件 |
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JP (1) | JP5411229B2 (zh) |
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- 2011-10-18 EP EP11185537.5A patent/EP2444032B1/fr active Active
- 2011-10-21 JP JP2011231760A patent/JP5411229B2/ja active Active
- 2011-10-21 US US13/279,070 patent/US9351844B2/en active Active
- 2011-10-24 CN CN201510239340.4A patent/CN104921847B/zh active Active
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EP2444032A1 (fr) | 2012-04-25 |
AU2011236071B2 (en) | 2015-09-24 |
US9351844B2 (en) | 2016-05-31 |
US20200229935A1 (en) | 2020-07-23 |
FR2966343A1 (fr) | 2012-04-27 |
EP2444032B1 (fr) | 2016-03-30 |
CN102551922B (zh) | 2015-06-17 |
US20160242921A1 (en) | 2016-08-25 |
JP5411229B2 (ja) | 2014-02-12 |
FR2966343B1 (fr) | 2012-12-07 |
US11304815B2 (en) | 2022-04-19 |
US10631993B2 (en) | 2020-04-28 |
CN104921847A (zh) | 2015-09-23 |
AU2011236071A1 (en) | 2012-05-10 |
US20120109320A1 (en) | 2012-05-03 |
JP2012101052A (ja) | 2012-05-31 |
CN102551922A (zh) | 2012-07-11 |
US20220192838A1 (en) | 2022-06-23 |
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