CN107709801A - 一种结构件及该结构件的组装方法 - Google Patents
一种结构件及该结构件的组装方法 Download PDFInfo
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- CN107709801A CN107709801A CN201580080382.6A CN201580080382A CN107709801A CN 107709801 A CN107709801 A CN 107709801A CN 201580080382 A CN201580080382 A CN 201580080382A CN 107709801 A CN107709801 A CN 107709801A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Materials For Medical Uses (AREA)
Abstract
一种结构件及该结构件的组装方法,结构件包括聚合物部件,组装方法包括以下步骤:对聚合物部件的至少一个部位进行变形处理;将聚合物部件经过变形处理的变形连接部位与连接部件相对准;对聚合物部件的变形连接部位进行加热,以使聚合物部件的变形连接部位膨胀并与连接部件配合。采用上述组装方法对具有聚合物部件的结构件进行组装时,聚合物部件的连接部位与连接部件之间通过过盈配合固定连接在一起,此时,聚合物部件与连接部件之间不需要点胶固定,聚合物部件与连接部件之间的连接稳定性较高。
Description
本发明涉及结构件装配技术领域,特别涉及一种结构件及其组装方法。
形状记忆高分子材料是一类新型的功能高分子材料。依据其实现记忆功能的条件不同,可分为感温型、感光型和感酸碱型等多种。目前研究最多并投入使用的主要是热敏型的形状记忆高分子材料,也叫热收缩材料。高分子材料的这种特性称为材料的记忆效应。形状记忆聚合物可分为交联聚烯烃、聚氨酯、聚酯等,其中,常见的制备形状记忆材料的聚烯烃类聚合物有聚乙烯(PE)、超高分子量聚乙烯(UHMWPE)、聚氯乙烯、聚四氟乙烯(PTFE)、聚乳酸(PLA)以及乙烯-乙酸乙烯(醋酸乙烯)酯共聚物(EVA)等。
以聚四氟乙烯(PTFE)材料为例,一般称作“不粘涂层”或“易清洁物料”,其具有抗酸、抗碱、抗各种有机溶剂的特点,几乎不溶于所有的溶剂;同时,聚四氟乙烯具有耐高温的特点,它的摩擦系数极低,所以可作润滑作用之余,亦成为了易清洁水管内层的理想涂料。
通常,由聚合物,特别是聚四氟乙烯制备的部件通常需要与其他部件形成具有特定功能的结构件,但是,聚四氟乙烯部件与其他部件之间的连接稳定性通常较差。如,以一种外科手术中的超声手持器械为例:
用于外科手术中的超声手持器械具有一个剪头,或者叫做钳口,钳口可以通过其他驱动机构张开和闭合运动,可以用来夹持组织或血管。为了隔离超声传动杆与金属夹持臂的硬接触、进而对超声波传动杆进行保护,需要在钳口的夹持臂上设置有由聚四氟乙烯材料制备的保护垫。
上述超声手持器械中,保护垫与夹持臂之间的连接是通过在夹持臂上设置T型滑槽或者楔形槽、然后将保护垫的一部分滑进T型滑槽或者楔形槽内,最后将保护垫与钳口之间通过点胶粘结的方式固定。
但是,由于聚四氟乙烯材料本身的特性,很难有胶水能够很好的与聚四氟乙烯材料制备的保护垫之间粘连固定,因此,保护垫与夹持臂之间的连接稳定性较差,上述超声手持器械在使用过程中经常出现保护垫滑出钳口夹持臂的T型槽或者楔形槽的状况,进而增加了造成医疗事故的风险。
因此,在具有聚四氟乙烯部件的结构件中,如何提高聚四氟乙烯部件和与其配合的部件之间连接的稳定性是本领域技术人员亟需解决的技术问题之一。
发明内容
本发明提供了一种具有聚四氟乙烯部件的结构件及该结构件的组装方法,该结构件中聚四氟乙烯部件与固定部件之间的连接稳定性较高。
为达到上述目的,本发明提供以下技术方案:
一种结构件的组装方法,所述结构件包括至少一个聚合物部件,包括以下步骤:
对所述聚合物部件的至少一个部位进行变形处理;
将所述聚合物部件与第二部件相对准;
对所述聚合物部件的变形连接部位进行加热,以使所述聚合物部件的所述变形连接部位膨胀并与所述第二部件配合。
优选地,所述聚合物部件的所述变形连接部位与所述第二部件的配合为过盈配合。
优选地,所述聚合物部件在所述第二部件的侧壁形成封闭环形结构。
优选地,所述变形处理为压缩变形处理。
优选地,所述变形处理为拉伸变形处理。
优选地,所述对聚合物部件的至少一个部位进行压缩变形处理,包括以下步骤:
采用工装对所述聚合物部件的所述至少一个部位进行挤压以使所述聚合物部件的所述至少一个部位收窄。
优选地,所述对聚合物部件的至少一个部位进行拉伸变形处理,包括以下步骤:
采用工装对所述聚合物部件的所述至少一个部位进行拉伸以使所述聚合物部件的所述至少一个部位收窄。
优选地,所述变形连接部位为一延伸部位。
优选地,进一步包括以下步骤:
将所述变形连接部位伸入所述第二部件上的至少一个孔内。
优选地,进一步包括以下步骤:
将所述变形连接部位放入所述第二部件上的至少一个槽内。
优选地,所述对聚合物部件的变形连接部位进行加热处理,包括以下步骤:
将所述聚合物部件的所述变形连接部位加热至大于等于80℃、且低于所述聚合物部件的熔点的温度,以使所述聚合物部件中经过变形处理的变形连接部位恢复至变形处理前的状态。
优选地,所述聚合物为氟聚合物。
优选地,所述氟聚合物为聚四氟乙烯(PTFE)。
优选地,所述聚合物为聚乙烯(PE)。
优选地,所述聚乙烯为超高分子量聚乙烯(UHMWPE)。
优选地,所述第二部件内壁上设有倒刺;所述聚合物部件的所述变形连接部位进行加热处理后,所述聚合物部件的所述变形连接部位与所述倒刺之间过盈配合。
优选地,所述结构件为用于医用设备的结构件。
优选地,所述结构件为用于外科手术器械的结构件。
优选地,所述结构件为用于超声外科手术器械的结构件。
优选地,所述结构件为用于超声外科手术器械中夹持组织的结构件。
优选地,所述第二部件为用于外科手术的超声手持器械的钳口,所述聚合物部件为超声手持器械钳口设置的保护垫。
聚合物材料在上述组装方法中的应用。
优选地,所述聚合物为氟聚合物。
优选地,所述氟聚合物为聚四氟乙烯(PTFE)。
优选地,所述聚合物为聚乙烯(PE)。
优选地,所述聚乙烯为超高分子量聚乙烯(UHMWPE)。
一种结构件,包括聚合物部件和第二部件,所述聚合物部件的至少一个部位经过先变形后加热处理后与所述第二部件相配合。
优选地,所述聚合物部件的至少一个部位经过先压缩后加热处理后与所述第二部件相配合。
优选地,所述聚合物部件的至少一个部位经过先拉伸后加热处理后与所述第二部件相配合。
优选地,所述聚合物部件的变形连接部位与所述第二部件的配合为过盈配合。
优选地,所述聚合物部件在所述第二部件的侧壁形成封闭环形结构。
优选地,所述聚合物部件包括至少一个延伸部位,所述延伸部位通过压缩或拉伸变形得到。
优选地,所述第二部件上设置有至少一个孔,适于与所述延伸部位相配合。
优选地,所述第二部件上设置有至少一个槽,适于与所述延伸部位相配合。
优选地,所述第二部件包括第一子连接件和第二子连接件,所述槽为所述第一子连接件和第二子连接件之间的狭缝,所述聚合物部件的至少一个部位经过先变形后加热处理后与所述狭缝过盈配合且充满所述狭缝。
优选地,所述槽的内壁上设有倒刺;所述聚合物部件的变形连接部位进行加热处理后,所述聚合物部件的变形连接部位与所述倒刺之间过盈配合。
优选地,所述聚合物为氟聚合物。
优选地,所述氟聚合物为聚四氟乙烯(PTFE)。
优选地,所述聚合物为聚乙烯(PE)。
优选地,所述聚乙烯为超高分子量聚乙烯(UHMWPE)。
优选地,所述结构件为用于医用设备的结构件。
优选地,所述结构件为用于外科手术器械的结构件。
优选地,所述结构件为用于超声外科手术器械的结构件。
优选地,所述结构件为用于超声外科手术器械中夹持组织的结构件。
优选地,所述第二部件为用于外科手术的超声手持器械的钳口,所述聚合物部件为超声手持器械的钳口设置的保护垫。
图1为本发明实施例提供的结构件的组装方法流程图;
图2为本发明实施例提供的结构件的结构示意图;
图3为本发明实施例提供的结构件中聚合物部件的连接部位未进行变形处理时的状态;
图4为本发明实施例提供的结构件中聚合物部件的连接部位进行变形处理后的状态;
图5为本发明实施例提供的结构件中一种连接部件的结构示意图;
图6为本发明实施例提供的结构件中聚合物部件的连接部位进行变形处理后插入连接部件的槽中的结构示意图;
图7为用于外科手术的超声手持器械的末端执行器的结构示意图。
附图标记:
1,连接部件; 2,聚合物部件; 3,超声手持器械的钳口;
4,超声传动杆; 11,槽; 12,倒刺;
21,聚合物部件的连接部位。
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,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做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。
本发明实施例提供了一种结构件和该结构件的组装方法,如图2所示,该结构件包括至少一个聚合物部件2和第二部件,在本实施例中,所述第二部件为连接部件1,其中,如图3所示,聚合物部件2具有连接部位21,聚合物部件2的连接部位21与连接部件1
相配合。在可替代的实施方式中,结构件还可以包括多个聚合物部件2,所述聚合物部件2的数量根据实际的装配需要来确定。
优选地,聚合物部件2的连接部位21与所述连接部件1过盈配合,进而使该聚合物部件2与连接部件1之间无需使用胶水粘接,进而提高了该聚合物部件2与连接部件1之间连接的稳定性,降低了聚合物部件2与连接部件1之间的装配难度。优选地,所述聚合物为氟聚合物,更优选地,所述氟聚合物为聚四氟乙烯。在可替代的实施例中,所述聚合物为聚乙烯,更优选地,所述聚乙烯为超高分子量聚乙烯。
需要指出的是,本发明中所涉及的聚合物,包括具有形状记忆效应(SME)的工程聚合物,包括但不限于的聚乙烯(PE)、超高分子量聚乙烯(UHMWPE)、聚氯乙烯、聚四氟乙烯(PTFE)、聚乳酸(PLA)以及乙烯-乙酸乙烯(醋酸乙烯)酯共聚物(EVA)等。因此,采用具有形状记忆效应的工程聚合物通过本发明所述组装方法组装而成的结构件,均属于本发明的保护范围。
在可替代的实施例中,如图5所示,连接部件1为设置有至少一个槽11的连接部件1;聚合物部件2的连接部位21伸入连接部件1的槽11中与连接部件1的槽11相配合。优选地,所述聚合物部件2与所述连接部件1的所述槽11过盈配合。在可替代的实施例中,连接部件1上可根据实际应用需要设置有多个槽11,相应地,聚合物部件2包括多个连接部位21。
在可替代的实施例中,连接部件1为设置有至少一个孔的连接部件1;聚合物部件2的连接部位21伸入连接部件1的孔内与连接部件1的孔相配合。优选地,所述聚合物部件2与所述连接部件1的所述孔过盈配合。
请参考图1,在具体实施例中,本发明实施例提供的结构件的组装方法,所述结构件包括聚合物部件,包括以下步骤:
步骤S101,对聚合物部件的至少一个部位进行变形处理;参照图3和图4,图3所示的聚合物部件2的连接部位21还未进行变形处理,图3中所示的聚合物部件2的连接部位21为已经经过变形处理后的状态;
步骤S102,将聚合物部件2经过变形处理的连接部位21与连接部件1相对准;优选地,将聚合物部件2经过变形处理的连接部位21伸入到连接部件1设置的槽11中,如图6所示;
步骤S103,对聚合物部件2的连接部位21进行加热处理,以使聚合物部件2的连接部位21膨胀并与连接部件1相配合;优选地,聚合物部件2的连接部位21与连接部件1的配合为过盈配合;在可替代的实施例中,聚合物部件2的连接部位21与连接部件1的槽11过盈配合;优选地,聚合物部件2在连接部件1的槽11的侧壁形成封闭环形结构,如图2和图5所示。
采用上述组装方法对具有聚合物部件2的结构件进行组装时,对聚合物部件2的变形处理可通过两种方式实现:
一是对聚合物部件2进行压缩。具体地,可采用工装对所述聚合物部件2的连接部位21进行挤压以使该连接部位收窄。
二是对聚合物部件2进行拉伸。具体地,可采用工装对所述聚合物部件2的连接部位21进行拉伸变形处理以使该连接部位收窄。
采用上述方法使得聚合物部件2的连接部位21收窄,进而能够在步骤S102中使聚合物部件2的连接部位21能够顺利伸入到连接部件1的槽11或孔,然后,通过步骤S103对聚合物部件2的连接部位21进行加热复位处理后,聚合物部件2的连接部位21向其进行变形处理之前的形状转化,从而使聚合物部件2的连接部位21与连接部件1的槽11或孔12之间通过过盈配合固定连接在一起,此时,聚合物部件2与连接部件1之间不需要点胶固定,聚合物部件2与连接部件1之间的连接稳定性较高。
具体地,上述步骤S103中记载的对聚合物部件2的连接部位21进行加热复位处理,具体可以包括以下步骤:
将聚合物部件2的变形连接部位21加热至大于等于80℃、且低于聚合物部02件的熔点的温度,以使聚合物部件2中经过变形处理的连接部位21复位至变形处理前的状态。
在优选的实施例中,聚合物部件2为氟聚合物,更优选地,聚合物部件2为聚四氟乙烯部件2。上述步骤S103中记载的对聚合物部件2的连接部位21进行加热复位处理,更具体地可以包括以下步骤:
将聚四氟乙烯部件2的连接部位21加热至140℃-350℃,以使聚四氟乙烯部件2中经过变形处理的连接部位21复位至变形处理前的状态。优选地,将聚四氟乙烯部件2的连接部位21加热至300℃-350℃,以使聚四氟乙烯部件2中经过变形处理的连接部位21复位至变形处理前的状态。更优选地,将聚四氟乙烯部件2的连接部位21加热至约340℃,以使聚四氟乙烯部件2中经过变形处理的连接部位21复位至变形处理前的状态
优选地,上述连接部件1的材质可以多种选择,如,上述连接部件可以为金属材质的连接部件。
一种优选实施方式中,由于金属材质的连接部件1的耐高温性较高,因此,当连接部件1为金属材质的连接部件时,上述步骤S103中的对聚合物部件,特别是聚四氟乙烯部件的连接部位进行加热复位处理,具体可以包括以下步骤:
将聚合物部件,特别是聚四氟乙烯部件2以及连接部件1放入加热炉内,将聚四氟乙烯部件2以及连接部件1整体加热至200℃-350℃,以使聚四氟乙烯部件2中经过变形处理的连接部位21复位至变形处理前的状态。
在可替代的实施例中,聚合物部件2为聚乙烯,更优选地,聚合物部件2为超高分子
量聚乙烯部件2。上述步骤S103中记载的对聚合物部件2的连接部位21进行加热复位处理,更具体地可以包括以下步骤:
将超高分子量聚乙烯(UHMWPE)部件2的连接部位21加热至80℃-140℃,以使超高分子量聚乙烯(UHMWPE)部件2中经过变形处理的连接部位21复位至变形处理前的状态。优选地,将超高分子量聚乙烯(UHMWPE)部件2的连接部位21加热至90℃-137℃,以使超高分子量聚乙烯(UHMWPE)部件2中经过变形处理的连接部位21复位至变形处理前的状态。更优选地,将超高分子量聚乙烯(UHMWPE)部件2的连接部位21加热至约120℃,以使超高分子量聚乙烯(UHMWPE)部件2中经过变形处理的连接部位21复位至变形处理前的状态。
为了进一步提高聚合物部件2与连接部件1之间连接的稳定性;优选地,如图2、图5、以及图6所示,连接部件1设置的槽11的内壁上设有倒刺12结构;聚合物部件2的连接部位21进行加热复位变形处理后,聚合物部件2的连接部位21与倒刺12之间过盈配合。
另外,本发明提供的结构件中,连接部件1设置的槽可以有多种结构,如:
一种具体结构中,连接部件1包括第一子连接件和第二子连接件,连接部件1设有的槽11为第一子连接件和第二子连接件之间的狭缝,聚合物部件2的连接部位21经过先变形后加热处理后与狭缝过盈配合且充满狭缝;此时,聚合物部件2的连接部件21可以用于对第一子连接件和第二子连接件之间的狭缝进行密封。
另一种具体结构中,连接部件1设有的槽11具有盲孔结构,聚合物部件2的连接部位21经过先变形后加热处理后与盲孔过盈配合且充满盲孔。此时,聚合物部件2的连接部位21可以用做填充盲孔的填充物,并且,填充之后,盲孔内的填充物不易从孔内滑出。
在上述实施例的基础上,上述结构件可用于医用设备,具体地,可用于外科手术器械,特别是超声外科手术器械中。接下来,以聚四氟乙烯为例,进行相应的描述。类似的,其他具有形状记忆效应的聚合物,如氟聚合物、聚乙烯、超高分子量聚乙烯等,也可适用于以下实施方式中的一个或多个。
聚四氟乙烯(PTFE)由于其化学特性以及低摩擦率的特性,被广泛应用于医用设备中。例如,医用导尿管中的引导装置,具体的,聚四氟乙烯材料的引导装置需要与其他结构相连接配合。目前常用的方法是对聚四氟乙烯材料的引导装置,例如聚四氟乙烯管,进行蚀刻,从而使其能够与外壳固定连接。采用本发明所述的组装方法就可以省去对聚四氟乙烯管进行蚀刻的步骤。通过将变形后的聚四氟乙烯管伸入刚性外壳内并通过加热使其恢复到变形前的状态,从而使得该聚四氟乙烯管被机械地固定在刚性外壳内,即将聚四氟乙烯管与外壳相连接。既可以通过径向压缩该聚四氟乙烯管使其变形,也可以通过轴向拉伸使其变形。此外,刚性外壳的内壁也可以设置得相对粗糙些,或设置有若干的倒刺,从而增强
聚四氟乙烯管与刚性外壳之间的机械连接。
在可替代的实施例中,还可利用聚四氟乙烯制成条状部件,使其变形后置于其他金属、陶瓷或塑料材质的部件中的凹槽或孔内。通过对已变形的聚四氟乙烯条状部件进行加热使其恢复到变形前的状态,以使其能够很好地被机械固定。例如,支承垫,或用于移动某一部件的低摩擦率的引导机构。本发明所述的组装方法以及相应的结构件也可广泛适用于其他需要对聚合物材料进行机械固定的情况,例如,机械设备、计算机鼠标、家具支柱、线性滑动装置以及外科手术器械中。以外科手术器械中的直线切割缝合器为例,亦可利用本发明所述的技术方案,在推钉器与底座壳体之间设置支承垫,从而降低推钉器和底座壳体之间摩擦力。例如,在支承垫上一体成型聚四氟乙烯材质的凸起,并通过将所述凸起进行先变形后加热恢复处理后实现与底座壳体的配合,例如,将这些变形后的凸起插入底座壳体上预先设置的孔中,并进行加热使其恢复变形前的状态,从而实现支承垫与底座壳体的机械固定。
除了条状部件,还可以利用聚四氟乙烯制成聚四氟乙烯环,制成轴承中或阀体中的垫片。不仅如此,采用本发明所述的组装方法以及相应的结构件,还可实现某一结构中的密封功能。由此可见,本发明所述的组装方法以及相应的结构件适用于很多领域,包括但不限于,玩具、汽车制造、机加工、航空航天、建筑工程、医用设备等。
另一种优选实施方式中,上述结构件可以为用于外科手术的超声手持器械的末端执行器,具体如图7所示,本发明实施例提供的结构件中,连接部件1可以为用于外科手术的超声手持器械的钳口,聚合物部件2为超声手持器械钳口设置的保护垫。聚合物部件2的设置能够防止超声传动杆4与钳口之间产生硬接触,进而能够防止超声传动杆4受到损伤。同时,当聚合物部件2与连接部件1之间、即保护垫与钳口之间通过上述方式固定连接时,能够提高保护垫与钳口之间连接的稳定性,降低医疗事故产生的几率。
显然,本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。
Claims (45)
- 一种结构件的组装方法,所述结构件包括至少一个聚合物部件,其特征在于,包括以下步骤:对所述聚合物部件的至少一个部位进行变形处理;将所述聚合物部件与第二部件相对准;对所述聚合物部件的变形连接部位进行加热,以使所述聚合物部件的所述变形连接部位膨胀并与所述第二部件配合。
- 根据权利要求1所述的组装方法,其特征在于,所述聚合物部件的所述变形连接部位与所述第二部件的配合为过盈配合。
- 根据权利要求1或2所述的组装方法,其特征在于,所述聚合物部件在所述第二部件的侧壁形成封闭环形结构。
- 根据权利要求1-3任一项所述的组装方法,其特征在于,所述变形处理为压缩变形处理。
- 根据权利要求1-3任一所述的组装方法,其特征在于,所述变形处理为拉伸变形处理。
- 根据权利要求4所述的组装方法,其特征在于,所述对聚合物部件的至少一个部位进行压缩变形处理,包括以下步骤:采用工装对所述聚合物部件的所述至少一个部位进行挤压以使所述聚合物部件的所述至少一个部位收窄。
- 根据权利要求5所述的组装方法,其特征在于,所述对聚合物部件的至少一个部位进行拉伸变形处理,包括以下步骤:采用工装对所述聚合物部件的所述至少一个部位进行拉伸以使所述聚合物部件的所述至少一个部位收窄。
- 根据权利要求1所述的组装方法,其特征在于,所述变形连接部位为一延伸部位。
- 根据权利要求1-8任一项所述的组装方法,其特征在于,进一步包括以下步骤:将所述变形连接部位伸入所述第二部件上的至少一个孔内。
- 根据权利要求1或8所述的组装方法,其特征在于,进一步包括以下步骤:将所述变形连接部位放入所述第二部件上的至少一个槽内。
- 根据权利要求1所述的组装方法,其特征在于,所述对聚合物部件的变形连接部位进行加热处理,包括以下步骤:将所述聚合物部件的所述变形连接部位加热至大于等于80℃、且低于所述聚合物部件的熔点的温度,以使所述聚合物部件中经过变形处理的变形连接部位恢复至变形处理前的 状态。
- 根据权利要求1-11任一项所述的组装方法,其特征在于,所述聚合物为氟聚合物。
- 根据权利要求12所述的组装方法,其特征在于,所述氟聚合物为聚四氟乙烯(PTFE)。
- 根据权利要求1-11任一项所述的组装方法,其特征在于,所述聚合物为聚乙烯(PE)。
- 根据权利要求14所述的组装方法,其特征在于,所述聚乙烯为超高分子量聚乙烯(UHMWPE)。
- 根据权利要求1-15任一项所述的组装方法,其特征在于,所述第二部件内壁上设有倒刺;所述聚合物部件的所述变形连接部位进行加热处理后,所述聚合物部件的所述变形连接部位与所述倒刺之间过盈配合。
- 根据权利要求1-16任一项所述的组装方法,其特征在于,所述结构件为用于医用设备的结构件。
- 根据权利要求17所述的组装方法,其特征在于,所述结构件为用于外科手术器械的结构件。
- 根据权利要求18所述的组装方法,其特征在于,所述结构件为用于超声外科手术器械的结构件。
- 根据权利要求19所述的组装方法,其特征在于,所述结构件为用于超声外科手术器械中夹持组织的结构件。
- 根据权利要求20所述的组装方法,其特征在于,所述第二部件为用于外科手术的超声手持器械的钳口,所述聚合物部件为超声手持器械钳口设置的保护垫。
- 聚合物材料在根据权利要求1-21任一项所述的组装方法中的应用。
- 根据权利要求22所述的聚合物,其特征在于,所述聚合物为氟聚合物。
- 根据权利要求23所述的聚合物,其特征在于,所述氟聚合物为聚四氟乙烯(PTFE)。
- 根据权利要求22所述的聚合物,其特征在于,所述聚合物为聚乙烯(PE)。
- 根据权利要求25所述的聚合物,其特征在于,所述聚乙烯为超高分子量聚乙烯(UHMWPE)。
- 一种结构件,包括聚合物部件和第二部件,其特征在于,所述聚合物部件的至少一个部位经过先变形后加热处理后与所述第二部件相配合。
- 根据权利要求27所述的结构件,其特征在于,所述聚合物部件的至少一个部位经过先压缩后加热处理后与所述第二部件相配合。
- 根据权利要求27所述的结构件,其特征在于,所述聚合物部件的至少一个部位经过先拉伸后加热处理后与所述第二部件相配合。
- 根据权利要求27-29任一项所述的结构件,其特征在于,所述聚合物部件的变形 连接部位与所述第二部件的配合为过盈配合。
- 根据权利要求27-30任一项所述的结构件,其特征在于,所述聚合物部件在所述第二部件的侧壁形成封闭环形结构。
- 根据权利要求27所述的结构件,其特征在于,所述聚合物部件包括至少一个延伸部位,所述延伸部位通过压缩或拉伸变形得到。
- 根据权利要求32所述的结构件,其特征在于,所述第二部件上设置有至少一个孔,适于与所述延伸部位相配合。
- 根据权利要求32所述的结构件,其特征在于,所述第二部件上设置有至少一个槽,适于与所述延伸部位相配合。
- 根据权利要求34所述的结构件,其特征在于,所述第二部件包括第一子连接件和第二子连接件,所述槽为所述第一子连接件和第二子连接件之间的狭缝,所述聚合物部件的至少一个部位经过先变形后加热处理后与所述狭缝过盈配合且充满所述狭缝。
- 根据权利要求35所述的结构件,其特征在于,所述槽的内壁上设有倒刺;所述聚合物部件的变形连接部位进行加热处理后,所述聚合物部件的变形连接部位与所述倒刺之间过盈配合。
- 根据权利要求27-36任一项所述的结构件,其特征在于,所述聚合物为氟聚合物。
- 根据权利要求37所述的结构件,其特征在于,所述氟聚合物为聚四氟乙烯(PTFE)。
- 根据权利要求27-36任一项所述的结构件,其特征在于,所述聚合物为聚乙烯(PE)。
- 根据权利要求39所述的结构件,其特征在于,所述聚乙烯为超高分子量聚乙烯(UHMWPE)。
- 根据权利要求27-40任一项所述的结构件,其特征在于,所述结构件为用于医用设备的结构件。
- 根据权利要求41所述的结构件,其特征在于,所述结构件为用于外科手术器械的结构件。
- 根据权利要求42所述的结构件,其特征在于,所述结构件为用于超声外科手术器械的结构件。
- 根据权利要求43所述的结构件,其特征在于,所述结构件为用于超声外科手术器械中夹持组织的结构件。
- 根据权利要求44所述的结构件,其特征在于,所述第二部件为用于外科手术的超声手持器械的钳口,所述聚合物部件为超声手持器械的钳口设置的保护垫。
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