CN106308924B - 一种立体定向手术改锥 - Google Patents
一种立体定向手术改锥 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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Abstract
本发明提供了一种立体定向手术改锥,包含把手、杆体、探针、滑动控制块与螺母紧固件,杆体内设有腔体,探针安装于腔体内并固定于螺母紧固件底部的孔洞内,滑动控制块沿滑动槽运动时带动探针一起运动。待探针前端的裸露部分被送至目标位置后,将电凝电极与螺母紧固件金属部分连接,射频电流即通过螺母紧固件流向探针,经探针传递至脑内目标位置,对目标位置进行热凝毁损。
Description
技术领域
本发明涉及一种立体定向手术改锥,特别涉及一种立体定向电极置入手术的改锥。
背景技术
立体定向电极置入手术中,医师需要通过专用配件改锥将导向螺丝安装于颅骨上。传统的手术操作流程,需要在安装导向螺丝前使用探针以单极热凝毁损的方式将硬脑膜破开。破开硬脑膜操作过程中全凭医生手感来确定电凝探针是否已经突破,这种方式经常会导致两种非预期结果:电极已经突破硬脑膜而医生仍继续推进探针并施加电凝能量,导致皮层脑组织热凝受损;探针没有完全突破硬脑膜,而医生误认为已经突破。医生在安装完毕导向螺丝后插入电极时受阻,导致电极损坏。这种情况必须重新拆卸导向螺丝再次进行探针热凝操作,延误手术时间,并且二次安装导向螺丝会影响其角度准确性和牢固性。
发明内容
有鉴于此,本发明提供了一种立体定向手术改锥,其解决技术问题的所采用的技术方案如下:
一种立体定向手术改锥,包括把手、杆体,杆体内部的腔体,所述杆体上设置有滑动槽,杆体上设置有刻度,杆体内设置有探针,所述滑动槽上设置有滑动控制块,所述滑动控制块中设置有螺母紧固件。
优选的,所述杆体前端设置有接口。
与现有技术相比,本发明立体定向手术改锥的有益效果是:
1.本发明将探针设置于立体定向手术改锥的杆体内,将突破硬脑膜、导向螺丝安装两个手术步骤合一,节省了手术时间。
2.改锥杆体内置的探针与滑动控制块相连接,杆体上开有滑动槽,滑动控制块可在滑动槽内前后移动。滑动槽设有刻度,可以准确测量出滑动控制块伸缩移动的距离,即探针伸出的长度,保证探针突破硬脑膜后不会进一步伸出损伤脑组织。
3.由于具有控制探针伸出长度的控制,改锥也可用于立体定向单极热凝毁损中,在突破硬脑膜后,将探针伸出预设的长度到达脑内目标位置, 探针传导的高频电流可将该区域脑组织热凝毁损,达到消除病灶的效果。
4.改锥前设有接口,可连接导向螺丝尾部,将其紧固在颅骨上。
5.若初次电凝不成功,没有突破硬脑膜,也可以很方便的在不拆卸导向螺丝的情况下再次进行电凝,节省手术操作时间。
6.由于热凝毁损后会有凝固的组织、组织液等粘连在探针头部,医师需要清理后方可进行下一次热凝操作。探针为可拆卸设计,可在手术过程中根据需要更换,提高手术效率并保证每次热凝的效果。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本发明实施例1提供的立体定向手术改锥结构剖视图;
图2为本发明实施例2提供的立体定向手术改锥结构剖视图。
具体实施方式
下面将结合本发明实施例中的附图,对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一部分技术方案,而不是全部的实施例。基于本技术方案中的实施例,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,都属于本技术方案保护的范围。
实施例1
如图1所示的立体定向手术改锥,包括把手1,杆体2,杆2体内部的腔体8,杆体2上设置有滑动槽3,滑动槽3上设置有刻度7,杆体2内设置有探针5,滑动槽3上设置有滑动控制块4,滑动控制块4中设置有螺母紧固件6。
使用时,操作者将探针5插入杆体2内部的腔体8中,并穿过螺母紧固件6下端的孔固定。探针5的头端部分裸露金属,中段外覆绝缘层,末端与螺母紧固件6连接部分裸露金属。滑动控制块4可沿滑动槽3滑动,并在滑动时带动探针5一起运动。操作者调整并固定探针5及滑动控制块4的位置后,推动滑动控制块4带动探针5伸出,探针5伸出的距离可在滑动槽3上的标尺7读出。待探针5前端的裸露部分被送至脑内目标位置,即病灶部位后,将电凝电极与螺母紧固件6的金属部分连接,射频电流即通过螺母紧固件6流向探针5,经探针5传递至脑内目标位置,对目标位置进行单极热凝毁损。
实施例2
如图2所示的立体定向手术改锥,包括把手1,杆体2,杆2体内部的腔体8,杆体2上设置有滑动槽3,滑动槽3上设置有刻度7,杆体2内设置有探针5,滑动槽3上设置有滑动控制块4,滑动控制块4中设置有螺母紧固件6,杆体2前端设置有接口9。
使用时,操作者将探针5插入杆体2内部的腔体8中,并穿过螺母紧固件6下端的孔固定。探针5的头端部分裸露金属,中段外覆绝缘层,末端与螺母紧固件6连接部分裸露金属。滑动控制块4可沿滑动槽3滑动,并在滑动时带动探针5一起运动。操作者调整并固定探针5及滑动控制块4的位置后,通过接口9连接导向螺丝,并将其固定于颅骨上。导向螺丝固定后,推动滑动控制块4带动探针5伸出,探针5伸出的距离可在滑动槽3上的标尺7读出。待探针5前端的裸露部分被送至硬脑膜处,将电凝电极与螺母紧固件6的金属部分连接,射频电流即通过螺母紧固件6流向探针5,经探针5传递至硬脑膜,将其热凝毁损破开。
对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本发明专利。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本发明专利的精神或范围的情况下,在其它实施例中实现。因此,本发明专利将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。
Claims (2)
1.一种立体定向手术改锥,包括把手,杆体,杆体内部的腔体,其特征在于,所述杆体上设置有滑动槽,杆体上设置有刻度,杆体内设置有探针,所述滑动槽上设置有滑动控制块,所述滑动控制块中设置有螺母紧固件,所述探针伸出所述腔体的长度由所述刻度指示,所述探针到达硬脑膜或指定病灶位置后,将电凝电极与所述螺母紧固件的金属部分连接,射频电流通过所述探针到达硬脑膜或指定病灶位置,通过热凝突破硬脑膜或毁损病灶。
2.根据权利要求1所述的立体定向手术改锥,其特征在于,所述杆体前端设置有接口,所述接口用于连接导向螺丝。
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Citations (7)
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US4386602A (en) * | 1977-05-17 | 1983-06-07 | Sheldon Charles H | Intracranial surgical operative apparatus |
CN2166780Y (zh) * | 1992-11-04 | 1994-06-01 | 焦富勇 | 小儿腰椎、脑室两用穿刺针 |
CN2287907Y (zh) * | 1996-03-30 | 1998-08-19 | 秦怀海 | 可脱性颅锥 |
CN201157420Y (zh) * | 2008-03-19 | 2008-12-03 | 王举磊 | 一种手动微电极推进器 |
EP2091459A2 (en) * | 2006-10-23 | 2009-08-26 | Hirdesh Sahni | An image guided whole body stereotactic needle placement device with falling arc |
CN201453369U (zh) * | 2009-07-30 | 2010-05-12 | 郭谦 | 一种手外科含钉夹改锥 |
CN206167028U (zh) * | 2016-08-22 | 2017-05-17 | 北京华科恒生医疗科技有限公司 | 一种立体定向手术改锥 |
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- 2016-08-22 CN CN201610698172.XA patent/CN106308924B/zh not_active Withdrawn - After Issue
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4386602A (en) * | 1977-05-17 | 1983-06-07 | Sheldon Charles H | Intracranial surgical operative apparatus |
CN2166780Y (zh) * | 1992-11-04 | 1994-06-01 | 焦富勇 | 小儿腰椎、脑室两用穿刺针 |
CN2287907Y (zh) * | 1996-03-30 | 1998-08-19 | 秦怀海 | 可脱性颅锥 |
EP2091459A2 (en) * | 2006-10-23 | 2009-08-26 | Hirdesh Sahni | An image guided whole body stereotactic needle placement device with falling arc |
CN201157420Y (zh) * | 2008-03-19 | 2008-12-03 | 王举磊 | 一种手动微电极推进器 |
CN201453369U (zh) * | 2009-07-30 | 2010-05-12 | 郭谦 | 一种手外科含钉夹改锥 |
CN206167028U (zh) * | 2016-08-22 | 2017-05-17 | 北京华科恒生医疗科技有限公司 | 一种立体定向手术改锥 |
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