CN107096118A - 脑动脉闭塞循环再通装置及再通方法 - Google Patents
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Abstract
本发明公开了一种脑动脉闭塞循环再通装置,其特征在于设有进血导管、出血管路注射针、进血管路注射针和血液循环脉冲装置,当闭塞血管再次开通时,通过所述PLC控制器控制变频电机带动旋转盘旋转,旋转盘带动压管辊旋转,当压管辊与进血导管相抵触时挤压进血导管,使进血导管内的血流形成脉冲效果,使进入进血导管内的血液的脉冲频率由低到高逐渐增大,并通过循环泵的泵入供血量使进血导管内的血液的速度由低到高逐渐增大,使低灌注量供血的速率、低灌注维持的时间等状态会根据病人脑动脉闭塞区域的综合评估状况逐渐升高,使缺血脑组织慢慢适应再通血流灌注,直至达到人体正常状态下的供血状态,具有无脑损害率、无并发症、控制方便等优点。
Description
技术领域
本发明涉及医疗器械技术领域,具体地说是一种脑动脉闭塞循环再通装置及再通方法。
背景技术
众所周知,急性脑动脉栓塞的发病率占脑卒中的80%,静脉溶栓是目前国内外临床指南一致推荐的急性缺血性脑卒中( AIS )最佳治疗方案,多项临床试验研究已证实其安全性及有效性。但静脉溶栓有严格适应证和治疗时间窗,血管闭塞再通率较低,仍有较高致残率、致死率。目前介入动脉导管溶栓术、介入机械取栓术、血管介入成形术能够快速开通闭塞动脉,近年多项大型多中心随机临床试验研究显示,血管内介入治疗技术在临床治疗中作用攸关,有较为理想的应用前景。但脑动脉栓塞的介入治疗术后临床常见并发症为:1、再通动脉因多种原因造成的再次闭塞,2、栓塞动脉被快速开通后出现再灌注脑损伤、脑出血,该两大并发症很大程度上影响预后。
因上述“并发症2”出现的再灌注脑损伤、脑出血危及患者生命,国内报道其发生率为20%~40%,为降低过度灌注脑损害发生率,至今国内外还没有研制出这种能够降低脑损害的医疗设备。
发明内容
本发明的第一个目的是解决上述现有技术的不足,提供一种结构新颖、无脑损害率、无并发症、操作简单、控制方便的脑动脉闭塞循环再通装置。
本发明的第二个目的是提供一种方法新颖、无脑损害率、无并发症、操作简单、控制方便的脑动脉闭塞循环再通方法。
本发明解决其技术问题所采用的技术方案是:
一种脑动脉闭塞循环再通装置,其特征在于设有进血导管、出血管路注射针、进血管路注射针和血液循环脉冲装置,所述血液循环脉冲装置包括壳体、旋转盘、变频电机、循环泵、导管支撑座、压管辊和PLC控制器,所述壳体上设有循环泵、变频电机和导管支撑座,所述循环泵、变频电机分别与PLC控制器相连接,所述变频电机的输出轴上设有旋转盘,所述旋转盘外周圆周阵列设有两个压管轴,所述压管辊套在压辊轴上并经轴承与压管轴固定连接,所述旋转盘的外部一侧设有进血管支撑座,所述进血管支撑座侧面对应旋转盘设有导管支撑凹槽和导管穿孔,所述导管穿孔分别位于导管支撑凹槽两端,所述进血导管穿过导管穿孔和导管支撑凹槽和旋转盘间的间隙后,一端与进血管路注射针相连接,另一端与出血管路注射针相连接,当闭塞血管再次开通时,通过所述PLC控制器控制变频电机带动旋转盘旋转,旋转盘带动压管辊旋转,当压管辊与进血导管相抵触时挤压进血导管,使进血导管内的血流形成脉冲效果,使进入进血导管内的血液的脉冲频率由低到高逐渐增大,并通过循环泵的泵入供血量使进血导管内的血液的速度由低到高逐渐增大,使低灌注量供血的速率、低灌注维持的时间等状态会根据病人脑动脉闭塞区域的综合评估状况逐渐升高,使缺血脑组织慢慢适应再通血流灌注,直至达到人体正常状态下的供血状态,这种再通方法,显著提高了导管灌注的脑保护、修复了血脑屏障,降低了脑组织水肿、减少了脑细胞通透性的药物使用量,大大避免了栓塞动脉被快速开通后而出现过度灌注脑损伤、脑出血这类并发症,解决了该类并发症的预后。
本发明可在所述壳体上设有半导体制冷装置,所述半导体制冷装置与PLC控制器相连接,所述半导体制冷装置上设有血液冷却管路和温度传感器,所述血液冷却管路中穿接有进血导管,所述温度传感器与PLC控制器相连接,以利于通过半导体制冷装置、温度传感器和PLC控制器对进入血液冷却管路中的进血导管中的血液进行降温,并通过温度传感器和PLC控制器对血液的温度保持在设定的温度范围内,以使进入脑组织的低温血液对脑组织达到保护作用。
本发明可在所述进血导管上设有茂菲氏滴管,所述茂菲氏滴管上设有注射帽,以利于对进血导管进血抽真空后,注入医用盐水,避免气体进入脑部血管中。
一种脑动脉闭塞循环再通方法,在临床操作时,首先将注射针插入到注射帽内,将进血导管内的气体抽出,然后再注入盐水,再将进血导管一端的出血管路注射针中的空气排出后连接患者股动脉血管,另一端的进血管路注射针中的空气排出后,连接超选择置入栓塞脑动脉远侧端正常血管腔内的导管体外端,PLC控制器接通电源,点击PLC控制器中的启动开关,循环血泵动作,将股动脉血管中的血液泵入进血导管,进血导管再将血液注入到脑动脉栓塞部位的血管中,同时,半导体制冷装置开始制冷,使进血导管中的血液的温度达到1℃-4℃,保证了亚低温血液的供给,同时变频电机启动,带动旋转盘旋转,进而带动旋转盘外周的压管辊挤压进血导管,在输入的过程中,通过PLC控制器控制循环泵、变频电机,使进血导管中的血液从低灌注量、压低温、脉冲式动力供血,逐渐达到与心脏跳动频率同步,通过这种灌注进行脑保护、改善脑微循环、修复血脑屏障及降低脑组织水肿、减少脑细胞通透性药物的输入量,待栓塞的脑组织渐进性的适应了再通血流灌注后,关闭PLC控制器中的启动开关,再通过介入导管技术再次完全开通栓塞的脑动脉。
本发明由于采用上述结构,解决了因过度灌注导致的脑损伤、脑出血危及患者生命的发生率几乎为0,具有结构新颖、无脑损害率、无并发症、操作简单、控制方便等优点。
附图说明
图1是本发明的结构示意图。
图2是图1的俯视图。
附图标记:进血管路注射针1。进血导管2、导管支撑座3、旋转盘4、变频电机5、压管辊6、 PLC控制器8、半导体制冷装置9、血液冷却管路10、注射帽11、茂菲氏滴管12、出血管路注射针14、壳体13。
具体实施方式
下面结合附图和实施例对本发明进行说明。
如附图所示,一种脑动脉闭塞循环再通装置,其特征在于设有出血管路注射针14、进血管路注射针1和血液循环脉冲装置,所述血液循环脉冲装置包括壳体15、旋转盘4、变频电机5、循环泵7、导管支撑座3、压管辊6和PLC控制器8,所述壳体13上设有循环泵7、变频电机5和导管支撑座3,所述循环泵7、变频电机5分别与PLC控制器8相连接,所述变频电机5的输出轴上设有旋转盘4,所述旋转盘4外周圆周阵列设有两个压管轴,所述压管辊6套在压辊轴上并经轴承与压管轴固定连接,所述旋转盘4的外部一侧设有进血管支撑座3,所述进血管支撑座3侧面对应旋转盘4设有导管支撑凹槽和导管穿孔,所述导管穿孔分别位于导管支撑凹槽两端,所述进血导管2穿过导管穿孔和导管支撑凹槽和旋转盘间的间隙后,一端与进血管路注射针1相连接,另一端与出血管路注射针14相连接,当闭塞血管再次开通时,通过所述PLC控制器控制变频电机带动旋转盘旋转,旋转盘带动压管辊旋转,当压管辊与进血导管相抵触时挤压进血导管,使进血导管内的血流形成脉冲效果,使进入进血导管内的血液的脉冲频率由低到高逐渐增大,并通过循环泵的泵入供血量使进血导管内的血液的速度由低到高逐渐增大,使低灌注量供血的速率、低灌注维持的时间等状态会根据病人脑动脉闭塞区域的综合评估状况逐渐升高,使缺血脑组织慢慢适应再通血流灌注,直至达到人体正常状态下的供血状态,这种再通方法,显著提高了导管灌注的脑保护、修复了血脑屏障,降低了脑组织水肿、减少了脑细胞通透性的药物使用量,大大避免了栓塞动脉被快速开通后而出现过度灌注脑损伤、脑出血这类并发症,解决了该类并发症的预后。
本发明可在所述壳体13上设有半导体制冷装置9,所述半导体制冷装置9与PLC控制器8相连接,所述半导体制冷装置9上设有血液冷却管路10和温度传感器,所述血液冷却管路10中穿接有进血导管2,所述温度传感器与PLC控制器8相连接,以利于通过半导体制冷装置9、温度传感器和PLC控制器8对进入血液冷却管路10中的进血导管2中的血液进行降温,并通过温度传感器和PLC控制器8将血液的温度控制在设定的温度范围内,以使进入脑组织的低温血液对脑组织达到保护作用。
本发明可在所述进血导管2上设有茂菲氏滴管12,所述茂菲氏滴管12上设有注射帽13,以利于对进血导管进血抽真空后,注入医用盐水,避免气体进入脑部血管中。
本发明在临床操作时,首先将注射针插入到注射帽内,将进血导管内的气体抽出,然后再注入盐水,再将进血导管一端的出血管路注射针中的空气排出后连接患者股动脉血管,另一端的进血管路注射针中的空气排出后,连接超选择置入栓塞脑动脉远侧端正常血管腔内的导管体外端,PLC控制器接通电源,点击PLC控制器中的启动开关,循环血泵动作,将股动脉血管中的血液泵入进血导管,进血导管再将血液注入到脑动脉栓塞部位的血管中,同时,半导体制冷装置开始制冷,使进血导管中的血液的温度达到1℃-4℃,保证了亚低温血液的供给,同时变频电机启动,带动旋转盘旋转,进而带动旋转盘外周的压管辊挤压进血导管,在输入的过程中,通过PLC控制器控制循环泵、变频电机,使进血导管中的血液从低灌注量、压低温、脉冲式动力供血,逐渐达到与心脏跳动频率同步,通过这种灌注进行脑保护、改善脑微循环、修复血脑屏障及降低脑组织水肿、减少脑细胞通透性药物的输入量,待栓塞的脑组织渐进性的适应了再通血流灌注后,关闭PLC控制器中的启动开关,再通过介入导管技术再次完全开通栓塞的脑动脉。
本发明由于采用上述结构,解决了因过度灌注导致的脑损伤、脑出血危及患者生命的发生率几乎为0,具有结构新颖、无脑损害率、无并发症、操作简单、控制方便等优点。
Claims (4)
1.一种脑动脉闭塞循环再通装置,其特征在于设有进血导管、出血管路注射针、进血管路注射针和血液循环脉冲装置,所述血液循环脉冲装置包括壳体、旋转盘、变频电机、循环泵、导管支撑座、压管辊和PLC控制器,所述壳体上设有循环泵、变频电机和导管支撑座,所述循环泵、变频电机分别与PLC控制器相连接,所述变频电机的输出轴上设有旋转盘,所述旋转盘外周圆周阵列设有两个压管轴,所述压管辊套在压辊轴上并经轴承与压管轴固定连接,所述旋转盘的外部一侧设有进血管支撑座,所述进血管支撑座侧面对应旋转盘设有导管支撑凹槽和导管穿孔,所述导管穿孔分别位于导管支撑凹槽两端,所述进血导管穿过导管穿孔和导管支撑凹槽和旋转盘间的间隙后,一端与进血管路注射针相连接,另一端与出血管路注射针相连接。
2.根据权利要求1所述的一种脑动脉闭塞循环再通装置,其特征在于所述壳体上设有半导体制冷装置,所述半导体制冷装置与PLC控制器相连接,所述半导体制冷装置上设有血液冷却管路和温度传感器,所述血液冷却管路中穿接有进血导管,所述温度传感器与PLC控制器相连接。
3.根据权利要求1所述的一种脑动脉闭塞循环再通装置,其特征在于所述进血导管上设有茂菲氏滴管,所述茂菲氏滴管上设有注射帽。
4.一种脑动脉闭塞循环再通方法,其特征在于在临床操作时,首先将注射针插入到注射帽内,将进血导管内的气体抽出,然后再注入盐水,再将进血导管一端的出血管路注射针中的空气排出后连接患者股动脉血管,另一端的进血管路注射针中的空气排出后,连接超选择置入栓塞脑动脉远侧端正常血管腔内的导管体外端,PLC控制器接通电源,点击PLC控制器中的启动开关,循环血泵动作,将股动脉血管中的血液泵入进血导管,进血导管再将血液注入到脑动脉栓塞部位的血管中,同时,半导体制冷装置开始制冷,使进血导管中的血液的温度达到1℃-4℃,保证了亚低温血液的供给,同时变频电机启动,带动旋转盘旋转,进而带动旋转盘外周的压管辊挤压进血导管,在输入的过程中,通过PLC控制器控制循环泵、变频电机,使进血导管中的血液从低灌注量、压低温、脉冲式动力供血,逐渐达到与心脏跳动频率同步,待栓塞的脑组织渐进性的适应了再通血流灌注后,关闭PLC控制器中的启动开关,再通过介入导管技术再次完全开通栓塞的脑动脉。
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