CN203564304U - 体内液电碎石电极的冲击波导向管 - Google Patents
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Abstract
本实用新型是一种体内液电碎石电极的冲击波导向管，为一个一端加装在体内液电碎石治疗电极放电端上的圆柱体；它外层为不锈钢外套；不锈钢外套内部包括两个电极：环形电极和芯电极。在不锈钢外套、环形电极和芯电极之间均由绝缘层绝缘。在相对于所述的体内液电碎石治疗电极放电端的另一端，设有电极放电区域。本实用新型使原来以半球状施放的液电碎石冲击波，改变为直线束状冲击波，径直集中作用在人体胆道内的较大结石表面，施放于人体胆道内的液电碎石冲击波的强度可以极大的减少，碎石效率却有成倍的提高，使传统治疗人类肝、胆系结石疾病的微创手术更加安全和高效。
Description
技术领域
本实用新型涉及医疗器械，具体涉及一种体内液电碎石电极放电端的冲击波导向管，属于国际专利分类A61：医学或兽医学、卫生学。
背景技术
我国医疗卫生机构采用微创手术治疗人类体内肝、胆系结石疾病，已有近20年的历史。在施行此类手术时，经常需要用一根极细的治疗电极，将体内液电碎石仪释放的冲击波能量，通过胆道镜的活检通道，在人体胆道内的较大结石表面上施放，从而达到碎石治疗的目的。传统的碎石冲击波呈半球状施放。
由于人体胆道内的较大结石，通常以嵌顿在胆道内的形式出现，且人体胆道内的空间有限，半球状施放的液电碎石冲击波常常会伤及人体胆道内壁组织，严重时会造成胆道穿孔，同时半球状施放的液电碎石冲击波，由于其向各个方向放送的冲击波能量相等，作用在结石表面上的能量只占其全部能量的25％以下，故碎石效率也不十分理想，有待采取措施加以改进。
发明内容
本实用新型的目的是克服现有技术的不足，提供一种新的液电碎石冲击波的施放设施。
为达到此目的，本实用新型采用的技术方案是：
一种体内液电碎石电极的冲击波导向管，为一个一端加装在体内液电碎石治疗电极放电端上的圆柱体；它外层为不锈钢外套；不锈钢外套内部包括两个电极：环形电极和芯电极。在不锈钢外套和环形电极之间由外绝缘层绝缘，在环形电极和芯电极之间由内绝缘层绝缘。在相对于所述的体内液电碎石治疗电极放电端的另一端，设有电极放电区域。
所述的的圆柱体外径1.6mm、长5mm。
所述的不锈钢外套壁厚0.2mm。
所述的环形电极呈圆筒状。
所述的芯电极为圆导线。
本实用新型使原来以半球状施放的液电碎石冲击波，在新加装的金属体内液电碎石电极冲击波导向管的集聚、引导下，改变为直线束状冲击波，径直集中作用在人体胆道内的较大结石表面，由于新加装的金属体内液电碎石电极冲击波导向管有集聚、引导液电碎石冲击波的作用，所以施放于人体胆道内的液电碎石冲击波的强度可以极大的减少，碎石效率却有成倍的提高，使传统治疗人类肝、胆系结石疾病的微创手术，在安全、可靠、效率等方面，都有一个很大的提高。，使其更加安全和高效。从而更好的协助医务工作者，解除患者的疾病和痛苦。
附图说明
图1是本实用新型的剖视示意图，
图2是本实用新型的横截面(放大)示意图。
图中：
1.不锈钢外套，2.环形电极，3.芯电极，4.外绝缘层，5.内绝缘层，6.电极放电区域，7.体内液电碎石电极放电端。
具体实施方式
本实用新型是在现有的体内液电碎石治疗电极的放电端，用热装配的方法，加装一个体内液电碎石电极的冲击波导向管。
参见图1、图2，本实用新型的构成是这样的：一种体内液电碎石电极的冲击波导向管，为一个外径1.6mm、长5mm的圆柱体，它一端加装在体内液电碎石治疗电极放电端7上，其外层为不锈钢外套1，不锈钢外套1壁厚0.2mm。不锈钢外套1内部包括两个电极：环形电极2和芯电极3。环形电极2呈圆筒状，芯电极3为圆导线。在不锈钢外套1和环形电极2之间由外绝缘层4绝缘，在环形电极2和芯电极3之间由内绝缘层5绝缘。采用上述绝缘结构，不锈钢外套1、环形电极2和芯电极3之间就均形成了电隔离。在相对于所述的体内液电碎石治疗电极放电端7的另一端，设有电极放电区域6。
Claims (5)
1.一种体内液电碎石电极的冲击波导向管，为一个一端加装在体内液电碎石治疗电极放电端(7)上的圆柱体；其特征在于，它外层为不锈钢外套(1)；不锈钢外套(1)内部包括两个电极：环形电极(2)和芯电极(3)；在不锈钢外套(1)和环形电极(2)之间由外绝缘层(4)绝缘，在环形电极(2)和芯电极(3)之间由内绝缘层(5)绝缘；在相对于所述的体内液电碎石治疗电极放电端(7)的另一端，设有电极放电区域(6)。
2.根据权利要求1所述的体内液电碎石电极的冲击波导向管，其特征在于：所述的的圆柱体外径1.6mm、长5mm。
3.根据权利要求1或2所述的体内液电碎石电极的冲击波导向管，其特征在于：所述的不锈钢外套(1)壁厚0.2mm。
4.根据权利要求1所述的体内液电碎石电极的冲击波导向管，其特征在于：所述的环形电极(2)呈圆筒状。
5.根据权利要求1或4所述的体内液电碎石电极的冲击波导向管，其特征在于：所述的芯电极(3)为圆导线。
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| CN104337562A (zh) * | 2014-10-10 | 2015-02-11 | 江苏仁鸿医疗科技有限公司 | 体内碎石仪专用双极嵌帽定向微电极 |
| CN110403810A (zh) * | 2019-07-08 | 2019-11-05 | 李卫 | 一种气压式冲击波治疗仪的气压输出控制方法 |
| US10709462B2 (en) | 2017-11-17 | 2020-07-14 | Shockwave Medical, Inc. | Low profile electrodes for a shock wave catheter |
| US10966737B2 (en) | 2017-06-19 | 2021-04-06 | Shockwave Medical, Inc. | Device and method for generating forward directed shock waves |
| WO2022166884A1 (zh) * | 2021-02-05 | 2022-08-11 | 沛嘉医疗科技(苏州)有限公司 | 用于治疗心脏瓣膜或血管钙化的冲击波装置用电极和冲击波装置 |
| US11478261B2 (en) | 2019-09-24 | 2022-10-25 | Shockwave Medical, Inc. | System for treating thrombus in body lumens |
| CN116035651A (zh) * | 2022-11-08 | 2023-05-02 | 杭州莱恩瑟特医疗技术有限公司 | 液电碎石用电极导线 |
| US11696799B2 (en) | 2012-06-27 | 2023-07-11 | Shockwave Medical, Inc. | Shock wave balloon catheter with multiple shock wave sources |
| US11992232B2 (en) | 2020-10-27 | 2024-05-28 | Shockwave Medical, Inc. | System for treating thrombus in body lumens |
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| US12035932B1 (en) | 2023-04-21 | 2024-07-16 | Shockwave Medical, Inc. | Intravascular lithotripsy catheter with slotted emitter bands |
| US12064129B2 (en) | 2015-11-18 | 2024-08-20 | Shockwave Medical, Inc. | Shock wave electrodes |
| US12089861B2 (en) | 2021-08-05 | 2024-09-17 | Nextern Innovation, Llc | Intravascular lithotripsy system and device |
| US12096950B2 (en) | 2012-09-13 | 2024-09-24 | Shockwave Medical, Inc. | Shockwave catheter system with energy control |
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| US12114874B2 (en) | 2018-06-21 | 2024-10-15 | Shockwave Medical, Inc. | System for treating occlusions in body lumens |
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2013
- 2013-07-08 CN CN201320400089.1U patent/CN203564304U/zh not_active Expired - Fee Related
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| WO2022166884A1 (zh) * | 2021-02-05 | 2022-08-11 | 沛嘉医疗科技(苏州)有限公司 | 用于治疗心脏瓣膜或血管钙化的冲击波装置用电极和冲击波装置 |
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| US12011185B2 (en) | 2021-10-19 | 2024-06-18 | Shockwave Medical, Inc. | Intravascular lithotripsy catheter with interfering shock waves |
| CN116035651A (zh) * | 2022-11-08 | 2023-05-02 | 杭州莱恩瑟特医疗技术有限公司 | 液电碎石用电极导线 |
| US12290268B2 (en) | 2023-03-31 | 2025-05-06 | Shockwave Medical, Inc. | Shockwave catheters for treating rhinosinusitis |
| US12035932B1 (en) | 2023-04-21 | 2024-07-16 | Shockwave Medical, Inc. | Intravascular lithotripsy catheter with slotted emitter bands |
| US12220141B2 (en) | 2023-06-29 | 2025-02-11 | Shockwave Medical, Inc. | Catheter system with independently controllable bubble and arc generation |
| US12426904B2 (en) | 2023-11-17 | 2025-09-30 | Shockwave Medical, Inc. | Intravascular lithotripsy catheter with oscillating impactor |
| US12402899B2 (en) | 2023-11-30 | 2025-09-02 | Shockwave Medical, Inc. | Systems, devices, and methods for generating shock waves in a forward direction |
| US12433620B2 (en) | 2024-02-23 | 2025-10-07 | Shockwave Medical, Inc. | Locus emitter shock wave catheter devices with increased longevity and higher sonic output |
| US12471939B2 (en) | 2024-03-05 | 2025-11-18 | Shockwave Medical, Inc. | Shock wave catheter with retractable enclosure |
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