CN2057590U - ***躯体内用的电疗电极 - Google Patents
***躯体内用的电疗电极 Download PDFInfo
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- CMMUKUYEPRGBFB-UHFFFAOYSA-L dichromic acid Chemical compound O[Cr](=O)(=O)O[Cr](O)(=O)=O CMMUKUYEPRGBFB-UHFFFAOYSA-L 0.000 description 1
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- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
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- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
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Abstract
本实用新型涉及一种***的***躯体内用的电疗电极。它是依靠电化学效应***。它采用直形的粗糙表面的铂金针作为电极，电极的直径为0.3-1.0mm，长度为3-30cm。电极的粗糙表面经过表面处理得到的。电极也可用由铂为基体的合金制成。这种电极可多次重复使用，操作方便，治疗效果好。用于临床可治疗肺癌、皮肤癌、乳腺癌和甲状腺癌，以浅表组织的癌的治疗效果为最佳。
Description
本实用新型属于一种***的***躯体内用的电疗电极，它的结构特征是由铂金丝组成的电极。
瑞典医学家欧登斯强姆开创的电化学治疗恶性肿瘤的方法已经在我国成功地应用于医疗实践，取得明显的效果。这种方法被称为电医化疗法。电医化疗法治疗恶性肿瘤，与放射疗法、药物疗法和热疗法相比，具有操作简便，疗程短，见效快，患者无痛苦等优点。
欧登斯强姆根据其脉管间质闭合电路理论，采用电化学效应来破坏肿瘤细胞的生存条件，从而抑制其生长，导致肿瘤坏死，达到***的目的。具体治疗方法：将两根金属细针，准确地穿刺到肿瘤中心及其邻近部位。然后，在两针上接通低压直流电。这样，两电针附近分别成为正极区和负极区。随之发生一系列的电化学反应和电生理反应。在电场作用下，机体组织中的物质、离子和水都进行定向迁移，形成一种新的分布状态。正极区呈酸性，负极区呈硷性。电化学反应产生的氯、氧具有极强的氧化性。水的迁移引起脱水或水肿。这些变化使癌细胞失去了生存的条件，导致肿瘤坏死。而周围正常细胞组织基本上不受损伤，付作用很小。
欧登斯强姆采用螺旋形电极（于1987年11月20日在中日友好医院演示）。这是为了在较小的铂电极上，得到较大面积，减少铂的用量。其铂丝的直径只有0.02mm。但是，这种螺旋形电极只能使用一次。更大的缺点是析出的气泡大，电流密度大，放电电压高，因此物质扩散交换速度受到限制。并且容易发生断针现象。
本实用新型的目的在于避免了上述现有技术的不足，而采用直形结构的粗糙表面的电极。
本实用新型采用直形的粗糙表面的金属针结构的电极代替螺旋形的电极。金属针的直径为0.3～1.0mm。
根据金属电化学顺序，在氢以上的金属：钾、钨、钠、镁、锌、铁、锡和铝，在水溶液中，或者在人体内，会形成水合金属离子而溶解。因此，若用这些金属做电极，则电位不稳，电极易断，不能用于治疗。电化顺序在氢以下的金属：铜、汞、银、铂和金，若用除铂以外的金属做电极，由于体内0.95％的体液是氯化钠，氯离子失去电子，产生氯气。而且这些金属又不能经受腐蚀，所以也不能作电极。因而只能采用铂金作电极。
用铂金做电极，而铂表面状况对治疗会产生直接影响：1.氢在粗糙的铂电极表面比在光滑的铂电极表面易析出；2.在同一电流密度条件下，光滑铂表面比粗糙铂表面有较高的放电电压，因此粗糙铂表面只需较小的能量就放电；3.癌细胞被破坏的程度与电极表面积成正比，这就要求电极的面积尽量大，在不增大电极体积的情况下，唯有使表面粗糙来增大面积。
由于上述原因，为使电极表面粗糙，本实用新型采取了表面处理。
为了提高电极的硬度，可以采用铂基合金作电极。以铂为基体，其他金属（铜、铱或铑）含量为1～30％。用铂铜合金、铂铱合金或铂铑合金制成的电极，就不需要予先用导向针穿刺，而可直接***肿瘤。
采用本实用新型的电极***的程序是：对肿瘤患处实行局部麻醉，在电视荧光屏监视下进行操作。将一对或在由两支以上组合的电极，准确地穿刺到肿瘤中心部位及其周边部位。在中心电极上接正极，在周边电极上接负极。在电极上加1～50伏的直流电压，使直流电流在10～150毫安之间。通电2～10小时，使治疗期间所受电化学剂量在200～1000库仑。
本实用新型的直型粗糙表面的电极克服了螺旋形电极的缺点：不易折断，可以多次重复使用，所以虽然一次投资大，而单次使用价格还是低；小体积大面积，治疗效果好，在电极周围癌细胞大片坏死；操作方便，易消毒，使临床上事故大量减少，电极无死角，适应性强，能治疗不同大小尺寸的肿瘤。
本实用新型的电极在临床治疗中，治疗了肺癌、皮肤癌、乳腺癌、肝癌和甲状腺癌。以浅表组织的癌的治疗效果最好，也就是皮肤癌、乳腺癌，其治疗效果达到95％。肺癌这样的周边型恶性肿瘤也较合适，治疗效果达到80％。对中心型癌不太合适，如肝癌的治疗效果只有60％。
图1为***躯体内用的直形的粗糙表面的电疗电极的示意图。其中1为电疗电极；2为直线电源；3为躯体。
实施例：
将直径为0.5mm的铂金丝截成长度为3cm到30cm长短各异的长针。用丙酮、乙醇反复清洗三次，然后放入重铬酸洗液中浸泡1～5分钟，再分别用清水、蒸馏水洗净。
用铂盐H2PtCl2（25g／l），氨基磺酸H2OSO2NH2（50g／l）和蒸馏水1000毫升制成电镀液。电镀温度在10～75℃，电流密度101～104μA／cm2，电解时间10～60分钟。
电镀结束后，用水清洗，烘干。再放入马福炉内，在300～800℃的温度下处理10～60分钟，使其老化，便形成许多峰谷不平的粗糙表面，而且这层表面膜是牢固的。
Claims (3)
1、一种******躯体用的电疗电极，由铂金丝组成，其特征在于电极形状为直形针状，针的表面为经处理后形成的粗糙表面。
2、根据权利要求1所述的电极，其特征在于所述的金属针的材料为铂，或者以铂为基体的合金。
3、根据权利要求1或2所述的电极，其特征在于所述的金属针的直径为0.3～1.0mm，长度为3～30cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89207791 CN2057590U (zh) | 1989-06-16 | 1989-06-16 | ***躯体内用的电疗电极 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89207791 CN2057590U (zh) | 1989-06-16 | 1989-06-16 | ***躯体内用的电疗电极 |
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| Publication Number | Publication Date |
|---|---|
| CN2057590U true CN2057590U (zh) | 1990-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89207791 Withdrawn CN2057590U (zh) | 1989-06-16 | 1989-06-16 | ***躯体内用的电疗电极 |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000064532A1 (en) * | 1999-04-23 | 2000-11-02 | Caijun Sun | Cancer electrochemical-therapeutic device using electrothermal needles |
| CN102284135A (zh) * | 2011-06-30 | 2011-12-21 | 杭州电子科技大学 | 基于单针形电极的高压脉冲电场治疗装置 |
| WO2021042291A1 (zh) * | 2019-09-04 | 2021-03-11 | 中国科学院长春应用化学研究所 | 包括针灸电极的电化学装置及其治疗癌症的应用 |
-
1989
- 1989-06-16 CN CN 89207791 patent/CN2057590U/zh not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000064532A1 (en) * | 1999-04-23 | 2000-11-02 | Caijun Sun | Cancer electrochemical-therapeutic device using electrothermal needles |
| CN1068525C (zh) * | 1999-04-23 | 2001-07-18 | 孙才均 | 热针电化学肿瘤治疗装置 |
| US6712840B2 (en) | 1999-04-23 | 2004-03-30 | Caijin Sun | Tumor electrochemical-therapeutic device using electrothermal needles |
| CN102284135A (zh) * | 2011-06-30 | 2011-12-21 | 杭州电子科技大学 | 基于单针形电极的高压脉冲电场治疗装置 |
| WO2021042291A1 (zh) * | 2019-09-04 | 2021-03-11 | 中国科学院长春应用化学研究所 | 包括针灸电极的电化学装置及其治疗癌症的应用 |
| US11850423B2 (en) | 2019-09-04 | 2023-12-26 | Changchun Institute Of Applied Chemistry Chinese Academy Of Sciences | Electrochemical device comprising an acupuncture electrode and its use for treating cancer |
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Designer after: Li Kaihua Designer before: Guo Qingjiang |
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