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CN111281609B - 人体关节的可调整的模块化间隔器装置 - Google Patents

人体关节的可调整的模块化间隔器装置 Download PDF

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Publication number
CN111281609B
CN111281609B CN202010016831.3A CN202010016831A CN111281609B CN 111281609 B CN111281609 B CN 111281609B CN 202010016831 A CN202010016831 A CN 202010016831A CN 111281609 B CN111281609 B CN 111281609B
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head
spacer device
rod
central body
axis
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CN111281609A (zh
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爱娃·卡布丽缇
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Tecres SpA
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Kossington Co ltd
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Abstract

一种用于治疗人体关节的可调整的模块化间隔器装置(1、100),包括配装的中间体(2、102)、头部(3、103)、杆状元件(5、105)、第一装置(4、104),其中,所述中间体(2、102)设置有具有基本上平坦的第一表面(7、107)的端部,所述头部(3、103)适于布置在关节凹腔内,其中,所述头部(3、103)包括帽部(9、109)和与所述帽部(9、109)相对的基部(10、110),其中,所述帽部(9、109)和所述基部(10、110)彼此圆角过渡,杆状元件(5、105)适于固定地连接在骨端,第一装置(4、104)用来将所述头部(3、103)连接到所述中间体(2、102),其中,所述第一装置(4、104)是可调整的,且适于沿着人体的纵向平面(50)和/或沿着横向平面(52)来调整所述头部(3、103)相对于所述中间体(2、102)的倾斜。

Description

人体关节的可调整的模块化间隔器装置
本申请是名称为“人体关节的可调整的模块化间隔器装置”、申请日为2016年3月21日、进入中国的申请号为201380079724.3、国际申请日为2013年9月9日、国际申请号为PCT/IT2013/000236的分案申请。
技术领域
本发明涉及用于人体关节的模块化可调整型的一次性临时间隔器装置,尤其是适合于被称作为用于髋部和/或肩部关节的间隔器的“两步骤植入”的技术。具体来说,在髋部和/或肩部关节受感染假体的两级修正的情形中,此类装置用于支承和治疗的功能。此类装置允许保持新假体植入所需的空间和确保关节高度的活动性。
背景技术
在假体植入术的领域中,已知特别用于被称作为“两步骤植入”技术的临时间隔器装置。在受感染的关节假体的情形中,此公知技术确保移去受感染关节假体以允许用合适的医用物质来治疗关节座。此外,为了保持在关节座内新假体植入所需的空间,采用了间隔器装置。具体来说,此间隔器装置可由医用物质浸渍并起到双重功能:保持新假体植入所需的关节空间以及治疗感染的部位。
就肩部关节情况而言,间隔器装置包括第一部分(或称作本体)和第二部分(或称作头部),第一部分固定地连接到肱部上端,而第二部分定位在肩胛盂处。
就髋部关节情况而言,间隔器装置包括第一部分(或称作本体)和第二部分(或称作头部),第一部分固定地连接到股骨上端,而第二部分定位在髋臼处。
国际专利申请WO2010/015877,以本申请人的名义描述了一种髋部定位装置。此类间隔器装置包括连接装置,其介于第一部分和第二部分之间,适于修正此两个部分的相对位置,因此,能够适用于不同尺寸的关节凹腔。
然而,仍出现提供较大凹腔的需求,其使间隔器装置的尺寸适合于其所施加的关节座(髋臼和/或肩胛盂)的不同尺寸,其目标是确保较大的相容性以及该装置与不同尺寸的病人关节的一致性,而且在有严重疾病的情况下也能如此。以此方式,在治疗关节座中存在的感染所需的周期期间,确保病人更好的生活质量。
WO2005/089676A1公开了一种模块化关节假体系统,其包括假体轴(11)、套环(10)、外锥体(9)、能够插在假体轴的外锥体(9)和关节球(1)的内锥体(2)之间的第一中间元件(4)。该第一中间元件(4)设置有能够适形于关节球的内锥体(2)的外锥体(3)和内锥体(5),第一中间元件(4)的外锥体和内锥体相对于彼此不同轴地布置;第一中间元件(4)的内锥体(5)能够适形于第二中间元件(7)的外锥体(6),并且第二中间元件(7)设有内锥体(8),该内锥体(8)能够适形于假体轴(11)的外锥体(9),其中,第二中间元件(7)的内锥体和外锥体相对于彼此不同轴地布置。
WO2012/125795A2公开了一种对准植入物组件的方法,包括以下步骤:将第一植入物部件放置在骨中,然后,将第一中间构件联接到第一植入物部件;将第一对准构件联接到第一中间构件;使各个构件作为整体旋转,以将第一中间构件放置在对准位置中;将第一对准构件从第一中间构件移除;将第二对准构件联接到第二中间构件;将第二中间构件联接到第一中间构件;并且使第二对准构件和第二中间构件作为整体相对于第一中间构件进行旋转以提供第二中间构件所需要的定向。该申请也公开了用于对准第一构件和第二构件的对准系统,该系统包括第一对准构件和第二对准构件,第一构件具有定尺寸成接收第一构件的第一偏置通道,而第二对准构件具有定尺寸成接收第二构件的通道。
发明内容
本发明的目的是改进现有技术的状态。
本发明的另一目的是提供可调整的临时间隔器装置,该装置可容易地适应于其所施加的具有不同和实际解剖学尺寸的关节,该尺寸由移去受感染关节假体所确定。
本发明的另一目的是提出一种用于髋部和/或肩部关节的可调整的临时模块化间隔器装置,其能够确保关节的高度活动性和稳定性,并因此保证在装置植入之后的恢复复原周期期间病人良好的生活质量。
根据本发明的一个方面,提供根据权利要求1所述的髋部和/或肩部关节的临时间隔器装置。
从属权利要求涉及本发明的优选和有利的实施例。
附图说明
从以下对用于髋部和/或肩部关节的模块化可调整的临时间隔器装置的优选的但非排它性的实施例的详细描述,本发明的进一步特征和优点将会变得更加清晰,实施例借助于附图中的非限制性实例示出,附图中:
图1是根据本发明的可调整的模块化间隔器装置的分解侧视图;
图2是人体对称平面的立体图;
图3是根据本发明的可调整的模块化间隔器装置的组件的某些可能构造的示意图;
图4是根据本发明的不同尺寸的可调整的模块化间隔器装置的分解侧视图;
图5是图1的可调整的模块化间隔器装置的另一实施例的分解立体图;
图6是根据图1的可调整的模块化间隔器装置的另一实施例的分解立体图;
图7是根据本发明的可调整的模块化间隔器装置的另一实施例的侧视图;
图8是图7的可调整的模块化间隔器装置的组件的另一构造的侧视图。
具体实施方式
参照附图中所示的实施例,用于髋部关节的可调整的临时模块化间隔器装置用附图标记1表示。在不脱离本发明的保护范围的情况下,本发明还可用于实现肩部关节的可调整的临时模块化间隔器。为清晰起见,用于髋部和/或肩部关节的可调整的模块化临时间隔器装置将在下文中称作为“间隔器装置”。
图2示出人体的对称平面。具体来说,词语“纵向平面”用来表示人体的通过肩部连接线的竖直对称平面50;词语“矢状平面”用来表示人体通过人体正中线的双侧对称竖直平面51,该矢状平面分出右部和左部;词语“横向平面”用来表示水平平面52,该平面分出人体的上部和下部。
在直立的位置中,此横向平面是水平的。另外,此横向平面垂直于上述的纵向平面50和矢状平面51。
根据本发明的间隔器装置1是一次性类型的。
根据本发明,间隔器装置1包括中间体2、头部3、用于将中间体2连接到头部3的第一装置4、杆状元件5,其中,头部3适于布置在髋部关节的髋臼凹腔内或布置在肩部关节的肩胛盂凹腔内,杆状元件5适于固定地连接在髋部关节的骨端,或连接在肱部的上端,或连接在膝关节的骨端,或连接在股骨上端,或连接在中间体2。
中间体2、头部3和杆状元件5组装在一起而构成根据本发明的间隔器装置1。
中间体2具有位于头部3和杆状元件4之间的连接元件,中间体可呈现大致的“肘”形。
然而,中间体2的其他型式都是可能的,这些其他型式的特征在于具有大于或小于前述中间体的曲率,或具有不同的形状,例如,“L形”或类似形状。
在中间体2的相对端处,提供第一表面7和第二表面8,两者基本上是平坦的。
尤其是,在间隔器装置1组装之后,第一表面7与头部3邻抵,而第二表面8放置成与杆状元件5邻抵,下文中有更好的描述。
头部3在一端处包括球状或半球状或类似形状的帽部9,该帽部9适于定位在肩胛盂或髋臼关节凹腔内,并且头部3在相对端处包括基部10。
在第一连接装置4联接过程中,中间体2的第一表面7邻抵头部3的基部10。
帽部9圆角过渡(radiused,弧形过渡)到基部10,该帽部具有中心对称轴线11。
基部10可相对于帽部9的中心对称轴线11垂直或倾斜。
第一连接装置4定位在中间体2和头部3之间,其包括销部13和对应的座部14。
在图1所示的型式中,销部13从中间体2的端部突出,而座部4设置在头部3内,在头部3的基部10处。
根据另一实施例,销部13的位置和座部14的位置可以互相倒过来。因此,参照图6中所示的实施例,销部13’从头部3的基部10伸出,而座部14’形成在中间体2内,位于中间体2的第一表面7处。
在将头部3组装到中间体2内的步骤过程中,销部13插入到座部14内。
销部13和座部14相对于彼此互补,并确定第一纵向联接轴线15。
参照图1所示的实施例,其中,间隔器装置1位于纵向平面50内,第一连接装置4的第一轴线15相对于帽部9的中心对称轴线11的方向倾斜一角度12。
第一轴线15相对于中心对称轴线11的倾斜允许提供间隔器装置1组件的不同构造,因此,造成头部3相对于中间体2的不同倾斜,这在下文中将更好地说明。
角度12的展开宽度(width)可以在5°和20°的范围内。
较佳地,角度12的展开宽度在5°和12°的范围内。
在第一连接装置4的组装步骤过程中,头部3的基部10垂直于第一轴线15。因此,基部10相对于帽部9中心对称轴线11也倾斜某一角度,该倾斜角度等于角度12。
具体来说,在组装步骤过程中,第一连接装置4允许头部3相对于中间体2围绕第一轴线15的相对转动,从而允许实现组件的不同构造,这在下文中将更好地描述。
在第一连接装置4的连接过程中,通过围绕第一轴线15转动中央头部,可确定球形帽部9围绕第一轴线15的旋进运动。
事实上,如前面所披露的,球形帽部9的中心对称轴线11相对于第一连接装置4的第一轴线15倾斜。因此,通过围绕第一轴线15转动头部3,便可沿着前平面(额状面,frontalplane)30和/或横向平面52修正头部3相对于中间体2的倾斜。
参照头部3相对于中间体2的相对定向,为了允许外科医生由此获得所需的组装构造,可在头部3上位于基部10处和/或在中间体2上的表面7处设置参考的凹口40。
当头部3和中间体2之间达到所需的组装构造时,销部13通过粘结剂或者通过机械连接装置和/或卡配连接装置或其他类似装置被保持在座部14内,该粘结剂例如是骨接合剂或通常与该间隔器装置1所适用的目的相容的物质,或者其材料。
例如,在附图中未示出的型式中,销13具有外螺纹。类似地,座部14具有与销部13的外螺纹相匹配的内螺纹。
在此型式中,销部13根据如下所示连接到座部14。首先,将合适量的粘结剂插入到座部14内。其后,销部13旋入到座部14内,尽可能到达端部止挡处。粘结剂固化后则允许防止销部13和座部14之间的相对转动,因此,防止头部3和中间体2之间的松动或相对运动,松动或相对运动会降低间隔器装置1的效率。
在间隔器装置1的未在附图中示出的另一种型式中,第一连接装置4可包括快速联接装置,例如,卡配联接装置或卡销类型卡配或莫尔斯锥度类型或类似类型的连接,在联接装置正确定位在理想的组装构造内之后,可通过使用粘结剂相互固定地彼此连接。
此粘结剂阻止头部3和中间体2之间的相对转动或运动,相对转动或运动会使间隔器装置1之使用中减低稳定性和效率。参照图1所示的实施例,杆状元件5具有细长的形状,基本上是截头锥的形状,其适于放置到肱部上端或股骨上端内。
杆状元件5的此类构造也会允许间隔器装置1在肱部骨端或股骨骨端内获得稳定的连接,即使骨端存在着特殊的和很明显的切除也是如此。
通过使用骨粘结剂或适于确保稳定连接的物质,使杆状元件5固定地连接到病人的骨端。
在本发明的型式中,杆状元件5具有纵向轴线16,其在与适于插入到骨头端内的一端相对的那端处具有基本上平坦的基部17。
该基部17可垂直于或倾斜于纵向轴线16。
根据此型式,装置1包括第二连接装置6,其适于连接到中间体2和杆状元件5。
具体来说,第二连接装置6放置在中间体2和杆状元件5之间。
第二连接装置6类似于以上关于第一连接装置4所描述的装置,第二装置6包括销部19和座部20。
在图1所示的实施例中,销部10从杆状元件5的上端突出,而座部20形成在中间体2内,位于第二表面8处。
根据未在图中示出的另一实施例,销部19的位置和座部20的位置可以互相倒过来,因此,销部19从中间体2的第二表面8伸出,而座部20形成在杆状元件5的上端内,位于第一基部17处。
第二连接装置6的类型以及其组装模式类似于对于第一连接装置4所描述的类型和模式,因此,将不对它们进一步描述。
销部19和座部20彼此互补并形成第二轴线21。
参照图1所示的实施例,第二轴线21相对于杆状元件5的纵向轴线16倾斜一角度18。
第二连接装置6的第二轴线21相对于杆状元件5的纵向轴线的倾斜,允许获得间隔器装置1组装的不同构造,并改变杆状元件5相对于中间体2的倾斜,这在下文中将更好地说明。
角度18的展开宽度可以在3°和20°之间的范围内。
较佳地,角度18的展开宽度可以在3°和10°之间的范围内。
在第二连接装置6连接过程中,类似于以上对于第一连接装置4所描述的,通过围绕第二轴线21转动杆状元件5,可确定杆状元件5围绕第二轴线21的旋进运动。
因此,通过围绕第二轴线21转动杆状元件5,便可沿着纵向平面50和/或矢状平面51修正杆状元件5相对于中间体2的倾斜。
即使在该情形中,为了允许外科医生定位杆状元件5相对于中间体2的相对定向,可设置参考凹口40’。
具体来说,参考凹口40’可设置在杆状元件5上端处,和/或设置在中间体2的第二表面8的上端处。
在图3中,借助于非限制性的实例,示出了间隔器装置1组件的某些可能的构造,例如,间隔器装置1放置在纵向平面50上的构造,这些可能的构造用附图标记I、II、III和IV表示。
参照第一组装构造I,帽部9的中心对称轴线11相对于杆状元件5的纵向轴线16倾斜成第一角度22。
通过围绕第一轴线15相对于中间体2转动大约180°,便达到第二组装构造II,其中,中心对称轴线11相对于纵向轴线16倾斜第二角度23。
具体来说,第二角度23大于第一角度22。
此外,从第一组装构造I起,并相对于中间体2围绕第二轴线21转动杆状元件5,便可达到组件的第三组装构造III。
具体来说,通过相对于中间体2转动杆状元件5大约180°,便可获得此组装构造III。
在第三组装构造III中,中心对称轴线11相对于纵向轴线16倾斜第三角度24。具体来说,该第三角度24大于第一角度22。
最后,从第三组装构造III起,并围绕第一连接装置4的轴线15转动头部3大约180°,便可获得第四组装构造IV。
在第四组装构造IV中,帽部9相对于纵向轴线16倾斜第四角度25,该第四角度大25于第一角度22、第二角度23和第三角度24。
因此,参照以上所述,可以修改头部3的中心对称轴线9相对于杆状元件5形状的纵向轴线16的倾斜度。参照纵向平面50,此倾斜度在100°和160°之间范围内。较佳地,在纵向平面50内,中心对称轴线9相对于纵向轴线16的倾斜展开宽度在110°和150°之间。
当然,根据头部3围绕第一连接装置4的第一轴线15和/或杆状元件5围绕第二连接装置6的第二轴线21的转动量,可能获得间隔器装置1的基本上无限数量的组装构造。
因此,相对于纵向平面50和/或横向平面52,通过头部3围绕第一轴线15相对于中间体2的转动,可造成帽部9相对于中间体2的定向变化。类似地,通过杆状元件5围绕第二轴线21的转动,可沿着纵向平面50和/或矢状平面51修改杆状元件5相对于中间体2的倾斜。
因此,可容易地修改间隔器装置1的尺寸,尤其是,修改头部3和/或杆状元件5相对于中间体2的相对定向,因此,以实用和快速的方式,将间隔器装置1适应病人肩部和/或膝关节的特殊的尺寸,从而减少植入所需的时间。
中间体2、头部3和杆状元件5预先成形并实现为生物相容性材料。
此类生物相容性材料是多孔的,并且它可选自金属、金属合金、有机金属的化合物、陶瓷、塑料材料和/或它们的组合。
具体来说,上述的塑料材料可选自诸如丙烯酸树脂、聚乙烯、聚丙烯、聚酯等热塑性聚合物、热成形聚合物以及其他类似材料。
在本发明的型式中,生物相容性材料是骨接合剂,例如,以本申请人名义的意大利专利第1278853号中所描述类型的材料,本文以参见方式引入该专利。
上述生物相容性材料由于其多孔的特性可以由药物的和/或治疗的产品进行预浸渍。
在另一实施例中,可在其植入之前的时刻,在外科介入期间通过用药物的和/或治疗的产品进行浸渍,而添加原先不带医用物质的生物相容性材料。
此外,在另一实施例中,可在其植入之前的时刻中,在外科介间,进一步添加由药物的和/或治疗的产品进行预浸渍过的生物相容性材料,可使药物的和/或治疗的产品与其中已经含有的材料相同或不同,此根据外科医生的需要而定。
在另一实施例中,至少部分的中间体2和/或头部3和/或杆状元件5可由包括至少一种药物的和/或治疗的产品的填料所覆盖。
此外,如此至少一种药物的和/或治疗的产品可保持在壳体内,该壳体适合于随着时间的推移缓慢地释放该产品。此壳体可用聚甲基丙烯酸甲酯和/或适用于此用途的物质制成。
通过图示非限制性的实例,至少一种药物的和/或治疗的产品包括庆大霉素和/或万古霉素和/或克林霉素和/或其他抗生素物质和/或适合于此用途的抗感染药物和/或它们的组合。
尤其是,中间体2、头部3和杆状元件5包括相同的药物的和/或治疗的产品。
在另一型式中,间隔器装置1至少两个部件包括相同的药物的和/或治疗的产品。
在还有另一种型式中,中间体2、头部3和杆状元件5包括彼此不相同的药物的和/或治疗的产品。
在此情形中,间隔器装置1各个部件中所含的不同的药物的和/或治疗的产品获得了协同效应。例如,若干种抗生素的存在允许扩展作用光谱(action spectrum),从而提高病人治愈的预后。
借助于非限制性实例,根据本发明的间隔器装置1型式可包括填充有庆大霉素和万古霉素的组合的杆状元件5,以及填充有庆大霉素和克林霉素的头部3。
在另一实例中,杆状元件5可用克林霉素覆盖,而头部3可用万古霉素覆盖。
可能的各种组合全都被包括在本发明内,并可根据病人需要进行选择。
如果杆状元件5具有相当大的延伸,则产生宽的表面,此类至少一个抗生素物质或药物的和/或治疗的产品通常从该表面扩散开,该表面涉及它所连接到的骨端的较大界面。
头部3、杆状元件5和可能的中间体2可获得不同的尺寸或大小,例如,可获得小的、中间的和大的尺寸。
参照图4的实施例,头部3的不同尺寸或大小用虚线代表并用附图标记3’和3”表示,而杆状元件5的不同尺寸或大小用附图标记5’和5”表示。
在不脱离本发明保护范围的前提下,可提供头部3、杆状元件5以及可能的中间体2相对于以前所述的其它尺寸或大小。
根据本发明的另一种型式,头部3、3’、3”可具有伸长的部分26,该部分介于帽部9和基部10之间。
该伸长部分26限定帽部9和基部10之间的偏移距离,因此,允许修正间隔器装置1的尺寸,尤其是,帽部9离中间体2的距离。
根据具体需要,头部3、3’、3”的细长部分26可实现为不同的量度。
对为中间体2和/或头部3提供的不同尺寸或大小而言,第一连接装置4的各个尺寸是相同的。
因此,中间体2和/或头部3的不同尺寸可相对于彼此独立地互换。
类似地,对为中间体2和/或杆状元件5提供的不同的尺寸或大小而言,第二连接装置6的各个尺寸是相同的。因此,中间体2和/或杆状元件5的不同尺寸可相对于彼此独立地互换。
因此能够组合中间体2和/或头部3和/或杆状元件5的任何尺寸,在它们植入到关节内之后,可保持间隔器装置1的功能性和稳定性。
实际上,即使存在着严重的疾病,间隔器装置1也可改适和制造成与每个病人髋部和/或肩部关节的不同尺寸相适应。
在将间隔器装置植入到关节座部内之前的时刻,由外科医生来组装间隔器装置1,根据真实需要和病人的身材来选择每个部件的大小。
因此,间隔器装置1组装的模块性和简易性允许容易地将间隔器装置1改适到病人髋部和/或肩部关节的不同的拟人化量度。
事实上,外科医生能够选择中间体2和/或头部3和/或杆状元件5的任何尺寸组合,且它们彼此是独立的,外科医生能够根据病案的需要实现间隔器装置1不同的尺寸或大小,因此,医生不必手工地修正间隔器装置1部件的尺寸。
此外,根据前面所述的方法,外科医生在组装第一连接装置4的过程中,可沿着纵向平面50和/或沿着横向平面52修正头部3相对于中间体2的倾斜。
类似地,外科医生在组装第二连接装置6的过程中,可沿着纵向平面50和/或沿着矢状平面51修正杆状元件5相对于中间体2的倾斜。
执行间隔器装置1植入所需的次数相对于已知类型的间隔器装置所需的次数减少。
此外,为了让外科医生保证较大的选择范围,中间体2、头部3和杆状元件5可分开地设置在专用的外壳/容器内,各含有单一的尺寸。
根据图6所示的本发明的另一实施例,提供可定位在头部3和中间体2之间以及/或者杆状元件5和中间体2之间的至少一个环形元件28。
该至少一个环形元件28限定头部3和中间体2之间以及/或者杆状元件5和中间体2之间的偏移距离,同时允许进一步修改间隔器装置1的尺寸。
该至少一个环形元件28包括中心贯通开口30,第一连接装置4或第二连接装置6的相应的销部13或销部19可通过开口30插入。
贯通开口30的直径略微大于销部13、19的直径。
因此,能够确保同轴性和销部13、19和该至少一个环形元件28之间正确的相对定位,因此保证介于中间体2和头部3之间以及/或者中间体2和杆状元件5之间的环形元件28的稳定连接。
与先前关于头部3、中间体2和杆状元件5所披露的情况类似,甚至该至少一个环形元件28也可实现为生物相容性材料。
此外,该至少一个环形元件28可设置为不同的尺寸或大小,未在图中示出。
根据本发明的间隔器装置100的另一实施例图示在图7和8中。
下文中,具有与前面描述的元件相同特征的那些元件将由相同附图标记增加100来表示。
相对于中间体102的构造来讲,间隔器装置100不同于前面的实施例。
间隔器装置100包括:中间体102,其设置有杆状元件105,该杆状元件105与中间体102形成一体,适于固定地连接在肩部关节的骨端,或连接到肱骨上端,或连接到膝关节的骨端,或连接到上股骨端;头部103,其适于放置在肩部关节的肩胛盂凹腔内或放置在髋关节的髋臼凹腔内;装置104,其用于将中间体102连接到头部103。
因此,在间隔器装置100中不存在先前披露过的第二连接装置。
中间体102和头部103组装在一起而形成根据本发明的间隔器装置100。
由于存在着包括杆状元件105的中间体102,其基本上呈截头锥形状,圆角过渡到连接部分141,所以间隔器装置100不同于先前的实施例。
杆状元件105具有纵向轴线116。中间体102在与杆状元件105相对的连接部分141的一端处具有基本上平坦的表面107,其适于邻抵头部103。
头部103在一端处具有球形的或半球形的或类似形状的帽部109并且在相对端处具有基部110,该帽部109适于放置在肩胛盂或髋臼关节凹腔内。
圆角过渡到基部10上的球形帽部109具有中心对称轴线111。
类似于先前的实施例,基部110可垂直于中心对称轴线111或与中心对称轴线111倾斜某个角度112,由此造成间隔器装置100的不同组装构造。
第一连接装置104包括销部113和座部114,它们能够根据先前描述的方法沿着轴线115连接在一起。
根据间隔器装置100的一个实施例,销部113从中间体102中突出,而座部114形成在头部103内,在第二基部110处。
根据未示出的另一实施例,销部113的位置和座部114的位置可以互相倒过来。
基部110相对于中心对称轴线111的倾斜允许获得间隔器装置100的不同组装构造,尤其是,根据参照前一实施例披露的方式,获得该头部103相对于中间体102不同的相对定位。
因此,在间隔器装置100组装过程中,通过围绕轴线115转动头部103,便可确定帽部109围绕轴线115的旋进运动,从而改变头部103相对于中间体102的倾斜。
具体来说,能够修正帽部109的中心对称轴线111相对于纵向平面50和/或横向平面52的倾斜。
借助于非限制性的实例,在图7和8中,参照I’和II”,图中示出间隔器装置100的两个可能的组装构造,后一构造置于纵向平面50上。
参照图7中所示的组件I’的构造,头部103的中心对称轴线111相对于杆状元件105的纵向轴线116倾斜一角度142。
举例来说,该倾斜角度142具有的展开宽度在80°和120°之间。
较佳地,此展开宽度在90°和110°之间。
通过头部103围绕第一连接装置104的轴线115转动大约180°,便实现了的第二组装构造II”。
在第二组装构造II”中,头部103的中心对称轴线109相对于纵向轴线116倾斜一角度142’。
具体来说,该角度142’大于角度142。
在间隔器装置100的一种型式中,事实上,角度142’可具有的展开宽度在125°和150°之间。较佳地,此展开宽度在125°和135°之间。
然而,根据头部103围绕中间体102的转动量,可以获得基本上无限数量的间隔器装置100的组装构造。为了允许外科医生获得所需的组装构造,可将参考凹口140设置在头部103上的基部110处,和/或设置在中间体102上的端部107处。
如图7和8所示,间隔器装置100可包括至少一个介于头部103和中间体102之间的环形元件128。
类似于前述的实施例,该至少一个环形元件128限定头部103和中间体102之间的偏移距离129。
可提供不同尺寸或大小的中间体102、头部103以及可能的至少一个环形元件128,图中未示出。
由于针对中间体102的头部103的任何尺寸或大小的连接装置104具有相同的尺寸,所以,可以组合任何尺寸的头部103和中间体102,同时保持间隔器装置100的功能性和稳定性。
该间隔器装置100相比于先前的实施例具有简化的结构。
事实上,中间体102包括与连接部分141形成一体的杆状元件105。因此,间隔器装置100没有第二连接装置。
由于各种尺寸的头部103和中间体102可以彼此关联,并且可以修改头部103相对于中间体102的倾斜,所以即使间隔器装置100具有比前述实施例低的模块性,间隔器装置100仍允许获得基本上无限数量的组装构造。
以可相对于彼此进行组装的多个部件所提供的间隔器装置1、100可容易地适应该装置应植入其中的关节肩胛盂或髋臼座部的尺寸,从而获得该装置的尺寸与关节座部的高度适合性。
这允许确保间隔器装置1、100高度的有效性,此导致其中植入有该装置的关节的高度可活动性以及病人在复原所需的时间周期内良好的生活质量。
因此,本发明的间隔器装置允许外科医生在移去感染的假体之后作出评估,而选择间隔器最佳的几何形状和尺寸,以便容易地使该装置适应病人实际的关节尺寸。
此外,根据所要治疗的感染类型,能够以多种方式组合药物的和/或治疗的产品,将它们并入或施加到间隔器装置1、100的部件。
由此构思出的本发明可经受许多种修改和变体,所有这些改变都落入在本发明的发明概念之内。
最后,彼此邻抵的表面可具有:互补的几何形状,例如是台阶形的构造,这些构造插入位于相对表面上的对应边缘或周界内;或者适于确保它们更好的联接稳定性并且同时提高植入物自身稳定性的其他装置。
此外,这些几何形和装置也可用来形成连接装置与周围组织很好的隔离,从而尽可能避免装置内的细菌渗透,或防止存在于所述区域内的任何非相容的材料与植入物自身周围的组织区域可能的接触。此外,所有的细节均可被其他技术上等价的元件替代。在实践中,在不脱离所附权利要求书的保护范围的情形下,所用材料以及形状和相应的尺寸可根据要求变化。
此外,在不脱离本发明的保护范围的情形下,在具体型式或实施例中所描述的特征可被其他型式或实施例的其他特征所替代。

Claims (16)

1.一种用于治疗人体关节的可调整的模块化间隔器装置(1、100),包括圆角的连接中间体(2、102)、头部(3、103)、杆状元件(5、105)、第一连接装置(4、104),其中,所述中间体(2、102)设置有具有基本上平坦的第一表面(7、107)的端部,所述头部(3、103)适于布置在关节凹腔内,所述头部(3、103)包括帽部(9、109)和与所述帽部(9、109)相对的基部(10、110),其中,所述帽部(9、109)和所述基部(10、110)彼此圆角过渡,所述杆状元件(5、105)适于固定地连接在骨端,所述第一连接装置(4、104)用来将所述头部(3、103)连接到所述中间体(2、102),其中,所述第一连接装置(4、104)是可调整的,且适于沿着人体的纵向平面(50)和/或沿着横向平面(52)来调整所述头部(3、103)相对于所述中间体(2、102)的倾斜,所述第一连接装置(4、104)包括彼此互补的销部(13、113)和座部(14、114),所述销部(13、113)和座部(14、114)限定所述头部(3、103)与所述中间体(2、102)联接的第一轴线(15、115),其特征在于,所述帽部(9、109)具有中心对称轴线(11、111),其中所述中心对称轴线(11、111)相对于所述第一连接装置(4、104)的所述第一轴线(15、115)倾斜一角度(12、112),所述销部(13、113)从所述中间体(2、102)的所述第一表面(7、107)突出,而所述座部(14、114)设置在所述头部(3、103)的所述基部(10、110)内,或者,所述销部(13、113)从所述头部(3、103)的所述基部(10、110)突出,而所述座部(14、114)设置在所述中间体(2、102)的所述第一表面(7、107)内;
其中,随着所述头部(3、103)连接于所述中间体(2、102),所述头部(3、103)能够相对于所述中间体(2、102)围绕所述第一轴线(15、115)相对转动,使得所述中间体(2、102)的所述第一表面(7、107)邻抵所述头部(3、103)的所述基部(10、110),或者,当所述可调整的模块化间隔器装置(1、100)包括至少一个第一环形元件(28)且所述第一环形元件(28)介于所述中间体(2、102)和所述头部(3、103)之间时,所述头部(3、103)能够相对于所述中间体(2、102)围绕所述第一轴线(15、115)相对转动,使得所述头部(3、103)的所述基部(10、110)邻抵所述第一环形元件(28)。
2.如权利要求1所述的可调整的模块化间隔器装置(1、100),其特征在于,所述角度(12、112)在5°和20°之间。
3.如权利要求1所述的可调整的模块化间隔器装置(1、100),其特征在于,所述中间体(2)呈基本“肘”形,具有彼此相对的两个端部,其中,所述端部分别具有所述第一表面(7、107)和第二表面(8),其中,所述第一表面(7、107)和所述第二表面(8)基本上是平面。
4.如权利要求1所述的可调整的模块化间隔器装置(1),其特征在于,包括用来将所述中间体(2)连接到所述杆状元件(5)的第二连接装置(6),所述第二连接装置(6)是可调整的,且适于沿着人体的所述纵向平面(50)和/或沿着矢状平面(51)来调整所述杆状元件(5)相对于所述中间体(2)的倾斜。
5.如权利要求4所述的可调整的模块化间隔器装置(1),其特征在于,所述第二连接装置(6)包括彼此互补的销部(19)和座部(20),限定所述杆状元件(5)与所述中间体(2)联接的第二轴线。
6.如权利要求5所述的可调整的模块化间隔器装置(1),其特征在于,所述销部(19)从所述杆状元件(5)向上突出,而所述座部(20)设置在所述中间体(2)的第二表面(8)内。
7.如权利要求5所述的可调整的模块化间隔器装置(1),其特征在于,所述销部(19)从所述中间体(2)的第二表面(8)突出,而所述座部(20)设置在所述杆状元件(5)内。
8.如权利要求5所述的可调整的模块化间隔器装置(1),其特征在于,所述杆状元件(5,105)具有纵向轴线(16,116),所述纵向轴线(16,116)相对于所述第二轴线倾斜一角度。
9.如权利要求8所述的可调整的模块化间隔器装置(1),其特征在于,所述纵向轴线(16)相对于所述第二轴线(21)倾斜的所述角度(18)在3°和20°之间。
10.如权利要求1所述的可调整的模块化间隔器装置(1、100),其特征在于,包括至少一个介于所述中间体(2、102)和所述杆状元件(5、105)之间的第二环形元件(128)。
11.如权利要求10所述的可调整的模块化间隔器装置(1、100),其特征在于,所述中间体(2、102)、所述杆状元件(5、105)、所述头部(3、103)以及所述至少一个第一环形元件(28)和所述至少一个第二环形元件(128)中的至少一个具有一组尺寸。
12.如权利要求10所述的可调整的模块化间隔器装置(1、100),其特征在于,所述第一连接装置(4、104)是适形的,以便允许组装任何尺寸的所述头部(3、103)和/或所述中间体(2、102)和/或所述至少一个第一环形元件(28)和所述至少一个第二环形元件(128)。
13.如权利要求4所述的可调整的模块化间隔器装置(1、100),其特征在于,所述第二连接装置(6)是适形的,以便允许组装任何尺寸的所述杆状元件(5)和/或所述中间体(2)和/或所述至少一个第一环形元件(28)。
14.如权利要求10所述的模块化间隔器装置(1、100),其特征在于,所述中间体(2、102)和/或所述头部(3、103)和/或所述杆状元件(5、105)和/或所述至少一个第一环形元件(28)和所述至少一个第二环形元件(128)中的至少一个包括至少一个治疗的产品,所述产品包括庆大霉素、万古霉素、克林霉素和/或其它适用于此用途的抗生素物质和/或抗感染药物。
15.如权利要求8所述的模块化间隔器装置(1、100),其特征在于,所述帽部(9、109)的所述中心对称轴线(11、111)相对于所述杆状元件(5、105)的所述纵向轴线(16、116)倾斜一倾斜角度(22、23、24、25、142、142’),所述倾斜角度是可变的,且在100°和160°之间,或在80°和120°之间,或在125°和150°之间。
16.如权利要求8所述的模块化间隔器装置(1、100),其特征在于,所述帽部(9、109)的所述中心对称轴线(11、111)相对于所述杆状元件(5、105)的所述纵向轴线(16、116)倾斜一倾斜角度(22、23、24、25、142、142’),所述倾斜角度是可变的,且在110°和150°之间,或在90°和110°之间,或在125°和135°之间。
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BR112016005055B1 (pt) 2021-08-31
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AR097582A1 (es) 2016-03-23
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BR112016005055A2 (zh) 2017-09-05
AU2013399816A1 (en) 2016-04-21
US20160193050A1 (en) 2016-07-07
EP3043750A1 (en) 2016-07-20
AU2013399816B2 (en) 2018-10-18
JP6462694B2 (ja) 2019-01-30
US10022229B2 (en) 2018-07-17
KR102187716B1 (ko) 2020-12-08
CN105764448A (zh) 2016-07-13
CA2923366A1 (en) 2015-03-12
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CN111281609A (zh) 2020-06-16

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