KR102494223B1 - 악성 뇌종양 교모세포종에 대한 바이오-플라즈마 치료 방법 및 치료 시스템 - Google Patents
악성 뇌종양 교모세포종에 대한 바이오-플라즈마 치료 방법 및 치료 시스템 Download PDFInfo
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- KR102494223B1 KR102494223B1 KR1020200128832A KR20200128832A KR102494223B1 KR 102494223 B1 KR102494223 B1 KR 102494223B1 KR 1020200128832 A KR1020200128832 A KR 1020200128832A KR 20200128832 A KR20200128832 A KR 20200128832A KR 102494223 B1 KR102494223 B1 KR 102494223B1
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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
- A61B18/042—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
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- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
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Abstract
Description
도 2는 플라즈마 제트 장치에 인가되는 방전 전압과 전류를 보여주는 그래프이다.
도 3은 플라즈마 제트 장치에서 발생된 플라즈마 활성종을 분석한 분광 스펙트럼이다.
도 4는 플라즈마 제트로 세포를 직접 처리하는 실험예를 도시한다.
도 5는 교모세포종 세포에 대한 바이오-플라즈마 처리로 인한 세포사멸 증가 결과를 보여준다.
도 6은 교모세포종 세포에 대한 바이오-플라즈마 처리에 따른 신호전달 경로를 보여준다.
도 7 및 도 8은 바이오-플라즈마의 처리된 세포의 생체 내 종양 성장 억제 능력을 보여준다.
도 9는 바이오-플라즈마 직접 처리에 의한 뇌종양 치료 효과를 영상으로 보여준다.
Claims (7)
- 뇌종양이 있는 동물의 뇌 부위의 스킨을 절개하여 뇌종양 부위를 노출시키고,
질소 가스를 포함한 방전 가스에 플라즈마를 발생시켜 동물의 뇌종양 부위에 플라즈마를 처리하여 뇌종양 세포를 사멸시키는 것을 특징으로 하는 사람을 제외한 동물 뇌종양 치료방법. - 제1항에 있어서, 플라즈마는 유전장벽방전에 의하고, 1 내지 2kV의 전압이 플라즈마 발생 전극에 인가되고, 100 내지 500mA의 전류가 흐르면서 방전되는 것을 특징으로 하는 사람을 제외한 동물 뇌종양 치료방법.
- 제2항에 있어서, 인가전압은 듀티 온 시간 보다 더 긴 듀티 오프 시간을 포함하여 과열을 방지한 것을 특징으로 하는 사람을 제외한 동물 뇌종양 치료방법.
- 뇌종양이 있는 부위에 직접적으로 플라즈마 처리하여 뇌종양을 치료하는 플라즈마 치료 시스템으로서,
고전압이 인가되는 속이 빈 바늘형 전극;
상기 바늘형 전극을 에워싸는 유전체 관; 및
상기 유전체 관을 에워싸는 관형 접지 전극;을 포함하고,
상기 바늘형 전극의 내부를 통해 질소 가스를 포함한 방전 가스를 공급하고, 상기 바늘형 전극에 전압을 인가하여, 발생되는 플라즈마를 뇌종양이 있는 부위에 조사하여 치료하되, 바늘형 전극에 인가되는 전압은 듀티 온 타임보다 긴 듀티 오프 타임을 갖고 동작하여 과열을 방지하는 것을 특징으로 하는 플라즈마 뇌종양 치료시스템. - 제4항에 있어서, 관형 접지 전극의 단부는 테이퍼링 된 노즐부로 형성된 것을 특징으로 하는 플라즈마 뇌종양 치료시스템.
- 삭제
- 제5항에 있어서, 상기 노즐부로부터 방출되는 제트 플라즈마는 두피를 절개하여 형성된 구멍을 통해 뇌종양에 접근되도록 조준되는 것을 특징으로 하는 플라즈마 뇌종양 치료시스템.
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| KR102494223B1 true KR102494223B1 (ko) | 2023-01-31 |
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| US20200069355A1 (en) | 2017-03-13 | 2020-03-05 | The George Washington University | Adaptive and self-adaptive plasma cancer therapeutic platform |
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| KR101657762B1 (ko) * | 2014-06-23 | 2016-09-19 | 광운대학교 산학협력단 | 전기적 안전성 및 방열 기능을 구비한 플라즈마 제트 장치 |
| KR101822906B1 (ko) * | 2016-05-04 | 2018-01-29 | 동아대학교 산학협력단 | 저온 플라즈마 분사 장치를 이용한 암세포의 선택적 세포사멸 방법 및 이를 이용한 종양 치료 방법 |
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| US20200069355A1 (en) | 2017-03-13 | 2020-03-05 | The George Washington University | Adaptive and self-adaptive plasma cancer therapeutic platform |
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