CN109009327B - 一种泌尿外科用结石清除装置 - Google Patents
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Abstract
本发明涉及一种泌尿外科用结石清除装置,包括套管、网篮本体、网篮导芯,所述套管内设有网篮导芯,网篮导芯的内端设有网篮本体,套管的外端设有限位帽,网篮导芯的外端穿过限位帽露在套管的外侧,网篮导芯的外端设有操作柄,所述网篮本体远离网篮导芯的一端设有导向球,所述套管的内端设为开口结构,所述套管靠近外端侧壁上设有导管。本发明在进入输尿管的过程中个,注射器向套管内注射溶解液,溶解石街,然后展开成纺锤状或者椭圆状,同时滚刷展开,向外拉动套管进行清除结石,同时在导管上连接负压吸引装置,将刷下的结石吸出,便于吸出溶解并被扫下的结石,能够有效的清除输尿管内的石街。
Description
技术领域
本发明涉及肿瘤科技术领域,具体涉及一种泌尿外科用结石清除装置。
背景技术
目前,泌尿外科中,肾及输尿管结石发病率逐年上升趋势,体外震波碎石具有创伤小、无需住院、费用低、恢复快等优点,但是对于泌尿系统直径大于2cm的结石进行体外震波碎石后,容易在输尿管内形成石街,造成肾绞痛持续加重且难以缓解、肾积水加重、尿外渗、肉眼血尿等并发症。
目前常用的结石清除的工具为取石网篮、碎石网篮、取石气囊,其中取石网篮均是由网篮、鞘管和控制手柄组成,其中网篮是由镍钛合金丝制成,当遇到泥沙样结石时,选用取石气囊,松软性结石采用八线网篮,小结石(<0.8cm)选用八线网篮,中等大小结石(1cm)采用四线网篮,大结石(>1.5cm)采用一体式碎石网篮,但是不适用于石街的清除。
发明内容
为克服所述不足,本发明的目的在于提供一种泌尿外科用结石清除装置。
本发明解决其技术问题所采用的技术方案是:一种泌尿外科用结石清除装置,包括套管、网篮本体、网篮导芯,所述套管内设有网篮导芯,网篮导芯的内端设有网篮本体,套管的外端设有限位帽,网篮导芯的外端穿过限位帽露在套管的外侧,网篮导芯的外端设有操作柄,所述网篮本体远离网篮导芯的一端设有导向球,所述套管的内端设为开口结构,所述套管靠近外端侧壁上设有导管。
具体地,所述网篮本体设为纺锤型或椭圆形网篮。
具体地,所述滚刷包括滚刷芯、刷毛、连接头,滚刷芯的两端分别设有连接头,连接头固定在镍钛合金丝的向外凸起处。
具体地,所述滚刷芯中部设有可折弯部。
具体地,所述滚刷芯与连接头可转动连接在一起。
具体地,所述限位帽内设有内限位孔,内限位内壁设有内螺纹,网篮导芯靠近外端的一端设有外螺纹,外螺纹与内螺纹相匹配,未使用时,所述网篮本体一部分容纳在套管内。
具体地,还包括弹性吸头,弹性吸头采用弹性硅橡胶材质制成,弹性吸头设为喇叭形结构,其直径小的一端固定在套管内端面上,直径大的一端设有滑环,滑环套在网篮本体的镍钛合金丝上,位于导向球与滚刷之间。
本发明具有以下有益效果:在进入输尿管的过程中个,注射器向套管内注射溶解液,当网篮本体进入到最内侧时,向内旋转网篮导芯,将网篮本体释放,网篮本体不受套管约束时,展开成纺锤状或者椭圆状,同时滚刷展开,向外拉动套管进行清除结石,同时在导管上连接负压吸引装置,将刷下的结石吸出,便于吸出溶解并被扫下的结石,能够有效的清除输尿管内的石街。
附图说明
图1为本发明的实施例1的结构示意图。
图2为本发明的实施例1的网篮展开后的结构示意图。
图3为本发明的滚刷结构示意图。
图4为本发明的实施例2的网篮展开后的结构示意图。
图中1套管,11弹性吸头,2限位帽,3网篮导芯,4操作柄,5导管,6网篮本体,61导向球,62滚刷,621刷毛,622滚刷芯,623连接头,624可折弯部。
具体实施方式
现在结合附图对本发明作进一步详细的说明。
实施例1
根据图1、图2、图3所示的一种泌尿外科用结石清除装置,包括套管1、网篮本体6、网篮导芯3,所述套管1内设有网篮导芯3,网篮导芯3的内端设有网篮本体6,套管1的外端设有限位帽2,网篮导芯3的外端穿过限位帽2露在套管1的外侧,网篮导芯3的外端设有操作柄4,所述网篮本体6远离网篮导芯3的一端设有导向球61,所述套管1的内端设为开口结构,所述套管1靠近外端侧壁上设有导管5,导管5可以与溶解液注射器连接在一起,通过导管5向套管内注射溶解液,用于溶解石街,所述网篮本体6采用多条镍钛合金丝制成,相邻的两条镍钛合金丝之间设有滚刷62,用于刷下被溶解的石街,形成的结石粉末、或浆液。
具体地,所述网篮本体6设为纺锤型或椭圆形网篮。
具体地,所述滚刷62包括滚刷芯622、刷毛621、连接头623,滚刷芯622的两端分别设有连接头623,连接头623固定在镍钛合金丝的向外凸起处。
具体地,所述滚刷芯622中部设有可折弯部624,当进入输尿管时,方便压缩,方便进入输尿管,不会给患者造成痛苦。
具体地,所述滚刷芯622与连接头623可转动连接在一起,滚刷芯622的端部设有限位环,连接头内设有限位腔,限位环穿过连接头壁设在限位腔内,滚刷62在外力作用下可沿输尿管内壁转动,刷下被溶解的结石。
具体地,所述限位帽2内设有内限位孔,内限位内壁设有内螺纹,网篮导芯3靠近外端的一端设有外螺纹,外螺纹与内螺纹相匹配,未使用时,所述网篮本体6一部分容纳在套管1内,所述外螺纹的长度大于网篮本体6容纳在套管1内的长度,便于沿尿道进入输尿管内,送达到最内端时,在进入输尿管的过程中个,注射器向套管内注射溶解液,溶解石街,当网篮本体6进入到最内侧时,向内旋转网篮导芯3,将网篮本体6释放,网篮本体6不受套管1约束时,展开成纺锤状或者椭圆状,同时滚刷62展开,向外拉动套管1进行清除结石,同时在导管5上连接负压吸引装置,将刷下的结石吸出,便于吸出溶解并被扫下的结石。
实施例2
如图4所示的一种泌尿外科用结石清除装置,还包括弹性吸头11,弹性吸头11采用弹性硅橡胶材质制成,弹性吸头11设为喇叭形结构,其直径小的一端固定在套管1内端面上,直径大的一端设有滑环12,滑环套12在网篮本体6的镍钛合金丝上,位于导向球61与滚刷62之间,向内旋转网篮导芯3,将网篮本体6释放,网篮本体6不受套管约束时,展开成纺锤状或者椭圆状,同时滚刷62展开这时,网篮本体6也会将弹性吸头11打开,避免溶解清除的结石分散到未被清除的位置,有利于将溶解清扫掉的结石彻底清除。
本发明不局限于所述实施方式,任何人应得知在本发明的启示下作出的结构变化,凡是与本发明具有相同或相近的技术方案,均落入本发明的保护范围之内。
本发明未详细描述的技术、形状、构造部分均为公知技术。
Claims (3)
1.一种泌尿外科用结石清除装置,其特征在于:
包括套管、网篮本体、网篮导芯、滚刷,所述套管内设有网篮导芯,网篮导芯的内端设有网篮本体,套管的外端设有限位帽,网篮导芯的外端穿过限位帽露在套管的外侧,网篮导芯的外端设有操作柄,所述网篮本体远离网篮导芯的一端设有导向球,所述套管的内端设为开口结构,所述套管靠近外端侧壁上设有导管,所述网篮本体采用多条镍钛合金丝制成,相邻的两条镍钛合金丝之间设有滚刷,所述滚刷包括滚刷芯、刷毛、连接头,滚刷芯的两端分别设有连接头,连接头固定在镍钛合金丝的向外凸起处,所述滚刷芯中部设有可折弯部,所述滚刷芯与连接头可转动连接在一起;
还包括弹性吸头,弹性吸头采用弹性硅橡胶材质制成,弹性吸头设为喇叭形结构,其直径小的一端固定在套管内端面上,直径大的一端设有滑环,滑环套在网篮本体的镍钛合金丝上,位于导向球与滚刷之间;向内旋转网篮导芯,将网篮本体释放,网篮本体不受套管约束时,展开成纺锤状或者椭圆状,同时滚刷展开这时,网篮本体也会将弹性吸头打开,避免溶解清除的结石分散到未被清除的位置,有利于将溶解清扫掉的结石彻底清除。
2.根据权利要求1所述的一种泌尿外科用结石清除装置,其特征在于:所述网篮本体设为纺锤型或椭圆形网篮。
3.根据权利要求1所述的一种泌尿外科用结石清除装置,其特征在于:所述限位帽内设有内限位孔,内限位孔内壁设有内螺纹,网篮导芯靠近外端的一端设有外螺纹,外螺纹与内螺纹相匹配,未使用时,所述网篮本体一部分容纳在套管内。
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