CN112190766A - 一种关节润滑液及其制备方法 - Google Patents
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Abstract
本发明提供一种关节润滑液及其制备方法,所述关节润滑液包括液态金属,所述液态金属为镓基合金,所述液态金属在所述关节润滑液中的质量百分含量为50%~100%。本发明的关节润滑液润滑效果较好,可有效减小关节间的摩擦阻力,减少骨损伤,与现有的透明质酸钠相比,其不易被骨关节吸收,故无需定期注射。同时,本发明的关节润滑液还能通过X射线或者CT进行成像,便于观察其在体内的情况,有助于更好地治疗疾病,实为骨关节疾病患者的福音。
Description
技术领域
本发明涉及医用材料技术领域,尤其涉及一种关节润滑液及其制备方法。
背景技术
骨是人体内最坚硬的、支撑人体正常活动的重要组织,直接影响着人类的生活质量。骨与骨之间形成关节结构,能够完成一系列的如弯曲,伸展,支撑,跳跃等动作。各类骨关节疾病的发生会严重影响人的日常活动,对身心都造成巨大的伤害。
骨类关节疾病类型也很多,包括骨性关节炎,骨质疏松,骨折等。尤其很多疾病的发生与年龄呈现正相关的趋势,这与天然的骨骼间的生物摩擦密不可分。在正常的骨关节结构中,关节软骨,关节腔内的关节液等都起到了关节润滑的作用。但不正确的运动方式,过量的运动强度,软骨病变无法分泌关节滑液等都会造成骨损伤、骨与骨间的摩擦增大,从而造成骨性关节炎,甚至是不可逆的骨损伤。另一方面一些骨关节疾病需要植入人工骨关节材料,材料与生物体的摩擦也增加了人工关节磨损的可能,常常需要进行多次修复或者二次植入手术。
在临床中,为了减小骨关节间的生物摩擦,往往会模拟天然关节润滑液的主要成分制备关节润滑液,并注入关节中以减小摩擦阻力,保护关节。目前使用的关节润滑液的主要成分是由透明质酸钠构成的水溶液,其优点是具有良好的生物相容性,但缺点是很容易被骨关节吸收,需要定期治疗,为患者造成了困扰。
发明内容
针对现有技术存在的问题,本发明提供一种关节润滑液及其制备方法。
本发明提供的关节润滑液,包括液态金属,所述液态金属为镓基合金,所述液态金属在所述关节润滑液中的质量百分含量为50%~100%。
当选择液态金属为镓基合金且控制其含量时,得到的关节润滑液具有较好的润滑效果,可有效减小关节间的摩擦阻力,减少骨损伤,与现有的透明质酸钠相比,其不易被骨关节吸收,故无需定期注射。另一方面,液态金属还能通过X射线或者CT进行成像,便于观察其在体内的情况,有助于更好地治疗疾病。
优选地,所述液态金属为镓铟合金。
进一步优选地,所述镓铟合金中金属镓与金属铟的质量比为70:30-90:10,更优选为75.5:24.5。
通过大量实验发现,众多镓基合金中,镓铟合金的润滑效果较好。进一步地,当金属镓与金属铟的质量比为75.5:24.5时,润滑效果更好。
在本发明的一个优选实施方式中,所述关节润滑液还包括纳米材料、纤维蛋白和透明质酸中的一种或多种。
上述技术方案中,在关节润滑液中加入纳米材料、纤维蛋白和透明质酸中的一种或多种,可将流体润滑与边界润滑良好结合,从而提高关节润滑液的润滑效果和关节修复功能。
优选地,所述纳米材料为纳米锌、纳米铜、碳纳米管和纳米脂质体中的一种或多种。
在本发明的一个优选实施方式中,所述关节润滑液包括以下重量份的组分:GaIn24.5 80-100份和纳米锌5-15份。
对于轻度或中度的骨损伤,使用包括液态金属和纳米材料的关节润滑液即可,具有较优润滑效果的组合方式为GaIn24.5 80-100份和纳米锌5-15份。
在本发明的一个优选实施方式中,所述关节润滑液包括以下重量份的组分:GaIn24.5 70-90份、纳米脂质体5-15份、透明质酸5-20份和纤维蛋白粉末1-5份,所述纳米脂质体粒径小于200nm。
对于严重的骨损伤,包括无法分泌关节滑液的疾病等,优选加入纤维蛋白和透明质酸,经过大量实验发现,较优组合为GaIn24.5 70-90份、纳米脂质体5-15份、透明质酸5-20份和纤维蛋白粉末1-5份,所述纳米脂质体粒径小于200nm。
本发明还提供上述关节润滑液的制备方法,包括:先将除液态金属以外的组分混合均匀,再将混合后的物料加入到液态金属中混合均匀。
若关节润滑液的组分除液态金属外只有一种,则直接把这一种组分加入到液态金属中混合均匀。
上述关节润滑液的使用方法为:利用注射器将所述关节润滑液注入关节。
利用注射器将所述关节润滑液注射入关节,操作简单,无需复杂手术。另外,若今后患者恢复较好或其它不再需要该润滑液的情况下,可通过注射器将其吸取出来,回收利用。
本发明还提供上述关节润滑液或其制备方法在人工关节润滑和/或非人工关节润滑中的应用。
本发明的关节润滑液润滑效果较好,可有效减小关节间的摩擦阻力,减少骨损伤,与现有的透明质酸钠相比,其不易被骨关节吸收,故无需定期注射。同时,本发明的关节润滑液还能通过X射线或者CT进行成像,便于观察其在体内的情况,有助于更好地治疗疾病,实为骨关节疾病患者的福音。
附图说明
图1为本发明实施例1中关节润滑液的使用示意图;
图2为本发明实施例2中关节润滑液的使用示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面结合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。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。
实施例1
本实施例提供一种关节润滑液,其成分为GaIn24.5,即金属镓与金属铟的质量比为75.5:24.5。
上述关节润滑液的制备方法为:将质量比为75.5:24.5的金属镓和金属铟放入烧杯中,在80℃下磁力搅拌1小时,直至形成共融合金。
上述关节润滑液的使用过程如图1所示,具体步骤如下:
(1)对关节润滑液1进行紫外线照射消毒,备用;
(2)根据预先设定的治疗方案(包括关节润滑液成分、注射位置、注射剂量等),将关节润滑液1注射入关节腔2内;
(3)在CT下观察关节润滑液1的在体情况。
实施例2
本实施例提供一种关节润滑液,包括以下重量份的组分:GaIn24.580-100份和纳米锌5-15份。
上述关节润滑液的制备方法为:将质量比为75.5:24.5的金属镓和金属铟放入烧杯中,在80℃下磁力搅拌1小时,直至形成共融合金;然后向其中按配比加入锌纳米颗粒,继续搅拌至混合均匀。
上述关节润滑液的使用过程如图2所示,具体步骤同实施例1。
从图2中可以看出,锌纳米颗粒3能够填充到骨关节微小结构中,起到边界润滑的作用,从而使关节润滑液的整体润滑效果提升。
实施例3
本实施例提供一种关节润滑液,包括以下重量份的组分:GaIn24.570-90份、纳米脂质体5-15份、透明质酸5-20份和纤维蛋白粉末1-5份,所述纳米脂质体粒径小于200nm。
上述关节润滑液的制备方法为:
(1)将质量比为75.5:24.5的金属镓和金属铟放入烧杯中,在80℃下磁力搅拌1小时,直至形成共融合金;
(2)将5-20份透明质酸加入到5-15份纳米脂质体中,机械搅拌至混合均匀;
(3)然后取70-90份共融合金,向其中加入步骤(2)所得混合物和1-5份纤维蛋白粉末,继续搅拌至混合均匀。
使用上述关节润滑液的具体步骤同实施例1。
实施例4
本实施例提供一种关节润滑液,其成分为镓铟锡合金,三种金属质量比为Ga:In:Sn=78.3:14.9:6.8,熔点为13.2℃。其制备方法和使用方法同实施例1。
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。
Claims (10)
1.一种关节润滑液,其特征在于,包括液态金属,所述液态金属为镓基合金,所述液态金属在所述关节润滑液中的质量百分含量为50%~100%。
2.根据权利要求1所述的一种关节润滑液,其特征在于,所述液态金属为镓铟合金。
3.根据权利要求2所述的一种关节润滑液,其特征在于,所述镓铟合金中金属镓与金属铟的质量比为70:30-90:10,优选为75.5:24.5。
4.根据权利要求1~3任一项所述的一种关节润滑液,其特征在于,所述关节润滑液还包括纳米材料、纤维蛋白和透明质酸中的一种或多种。
5.根据权利要求4所述的一种关节润滑液,其特征在于,所述纳米材料为纳米锌、纳米铜、碳纳米管和纳米脂质体中的一种或多种。
6.根据权利要求5所述的一种关节润滑液,其特征在于,所述关节润滑液包括以下重量份的组分:GaIn24.580-100份和纳米锌5-15份。
7.根据权利要求5所述的一种关节润滑液,其特征在于,所述关节润滑液包括以下重量份的组分:GaIn24.570-90份、纳米脂质体5-15份、透明质酸5-20份和纤维蛋白粉末1-5份,所述纳米脂质体粒径小于200nm。
8.权利要求1~7任一项所述的关节润滑液的制备方法,其特征在于,包括:先将除液态金属以外的组分混合均匀,再将混合后的物料加入到液态金属中混合均匀。
9.权利要求1~7任一项所述的关节润滑液的使用方法,其特征在于,利用注射器将所述关节润滑液注入关节。
10.权利要求1~7任一项所述的关节润滑液或权利要求8所述的制备方法在人工关节润滑和/或非人工关节润滑中的应用。
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