KR102589814B1 - 자성 표지자 위치 결정(mml)을 위한 표지자 재료 및 형태 - Google Patents
자성 표지자 위치 결정(mml)을 위한 표지자 재료 및 형태 Download PDFInfo
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- KR102589814B1 KR102589814B1 KR1020187000167A KR20187000167A KR102589814B1 KR 102589814 B1 KR102589814 B1 KR 102589814B1 KR 1020187000167 A KR1020187000167 A KR 1020187000167A KR 20187000167 A KR20187000167 A KR 20187000167A KR 102589814 B1 KR102589814 B1 KR 102589814B1
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Abstract
Description
(특허문헌 2) US 2013/0253550 A1 (2013. 09. 26.)
(특허문헌 3) US 2003/0105394 A1 (2003. 06. 06.)
(특허문헌 4) US 2008/0091120 A1 (2008. 04. 17.)
도 2a는 표지자 굽힘각의 표지자의 감수율의 비등방성에 대한 영향의 그래프이다.
도 2b는 표지자의 자성 비등방성을 측정하기 위한 시험 장치의 일 실시예의 도면이다.
도 2c는 다양한 사잇각을 구비한 5mm 철(99.5%) 표지자로부터의 일정한 거리에서의 신호이고, 여기서 180°는 직선 실린더이고, 0°는 U-형상이다.
도 2d는 다양한 사잇각을 구비한 7mm 다중 스트랜드 스테인리스강 표지자로부터의 일정한 거리에서의 신호의 그래프이고, 여기서 180°는 직선 실린더이고, 0°는 U-형상이다.
도 3의 a)는 "로젠지(lozenge)" 또는 "비드"의 형태의 본 발명의 일 실시예의 도면이다.
도 3의 b) 및 도 3의 c)는 형상화된 단부를 구비한 자성 비드의 단면이다.
도 4의 a) - 도 4의 d)는 "아령" 형상의 형태의 본 발명의 실시예들의 도면이다.
도 5의 a) 및 도 5의 b)는 케이블 형태의 본 발명의 실시예들의 단면의 도면이다.
도 6a 및 도 6b는 "실뭉치"의 형상의 본 발명의 일 실시예의 도면이다.
도 7은 "초롱(chinese lantern)"의 형상의 본 발명의 일 실시예의 도면이다.
도 8a - 도 8g는 힌지형 링크를 구비한 본 발명의 실시예들의 도면이다.
도 9는 증가된 개수의 면을 갖는 본 발명의 표지자의 실시예들의 단면의 여러 도면이다.
도 10은 코어 및 외피의 형태의 본 발명의 일 실시예의 단면의 도면이다.
도 11은 외피 및 복수의 코어를 갖는 본 발명의 일 실시예의 도면이다.
도 12a 및 도 12b는 세그먼트형 표지자로서의 본 발명의 실시예들의 도면이다.
도 13a, 도 13b, 및 도 13c는 자성 재료의 형상과 표지자의 외부 형상이 상이한 본 발명의 실시예들의 도면이다.
도 14a - 도 14e는 다양한 재료로 만들어진 힌지를 구비한 형상화된 표지자의 형태의 본 발명의 실시예들의 도면이다.
도 15는 자가 조립에 의해 구성된 본 발명의 일 실시예의 도면이다.
도 16은 소수성 자가 조립에 의해 구성된 본 발명의 일 실시예의 도면이다.
도 17a 및 도 17b는 자가 조립에 의해 구성된 본 발명의 다른 실시예들의 도면이다.
도 18은 2개의 인터로킹 U 형상 표지자들의 일 실시예의 도면이다.
Claims (19)
- 신체 내의 조직 내의 부위를 표지하기 위한 자성 표지자이며, 상기 자성 표지자는 0.05 m3kg_1보다 더 큰 자성 질량 감수율과 함께 100 Oe보다 더 작은 보자성을 갖는 하나 이상의 연자성 재료를 포함하고, 전개 이후의 전개/해제 구성에 비해 높은 최대 자성 응답 대 최소 자성 응답의 비율(자성 감수율의 비등방성의 비율)을 갖는 전개 이전의 압축된 비구형 구성과, 자성 표지자가 5보다 더 작은 자성 감수율의 비등방성의 비율을 갖는 전개 이후의 전개/해제 구성 사이에서 변형 가능한, 자성 표지자.
- 제1항에 있어서, 전개 이전의 표지자의 종횡비(전개 이전의 마커의 최대 길이를 최대 직교 치수로 나눈 값)는 4보다 더 큰, 자성 표지자.
- 제1항에 있어서, 전개 이전의 비구형 구성은 5보다 더 큰 자성 감수율의 비등방성의 비율을 갖는, 자성 표지자.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 표지자는 압축된 구성과 전개된 구성 사이에서 탄성적으로 또는 탄력적으로 변형 가능한, 자성 표지자.
- 제4항에 있어서, 표지자는 전개 시에 구조물 또는 와이어 프레임을 형성하는 탄성적으로 또는 탄력적으로 변형 가능한 와이어 또는 원통형 형상을 포함하는, 자성 표지자.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 표지자는 자성 비정질 재료를 포함하는, 자성 표지자.
- 제1항에 있어서, 표지자는 상대적으로 더 높은 돌출 면적 비등방성 비율을 갖는 압축 구성과, 이에 비해 더 낮은 돌출 면적 비등방성 비율을 갖는 전개/해제 구성 사이에서 탄력적으로 변형 가능한, 자성 표지자.
- 제1항에 있어서, 비구형 구성은 실린더, 케이블, 비드, "아령형" 형태, 및 실뭉치 형태를 포함하는 그룹으로부터 선택된 형상인, 자성 표지자.
- 제8항에 있어서, 실린더 또는 케이블은 조직 내에서의 배치 시에 구부러지는, 자성 표지자.
- 제9항에 있어서, 실린더 또는 케이블은 조직 내로의 배치 시에 사면체 또는 이의 일부의 다양한 에지 형태로 구부러지는, 자성 표지자.
- 제1항에 있어서, 전개 구성은 3보다 더 작은 자성 감수율의 비등방성의 비율을 갖는, 자성 표지자.
- 제1항에 있어서, 하나 이상의 자성 재료(들)을 포함하고, 자성 재료는 50 Oe보다 더 작은 보자성을 갖는, 자성 표지자.
- 제1항에 있어서, 제2 형상의 비자성 매트릭스 내에 위치된 제1 형상의 하나 이상의 재료로 만들어진 자성 구성요소를 포함하는, 자성 표지자.
- 제1항에 있어서, 자성 표지자는 바늘 또는 캐뉼라 기반 전달 장치 내에 이의 압축된 구성으로 구속되고, 자성 표지자는 장치로부터 전개 시에 이의 해제된 구성으로 확장되는, 자성 표지자.
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US201562170768P | 2015-06-04 | 2015-06-04 | |
US62/170,768 | 2015-06-04 | ||
PCT/GB2016/051649 WO2016193753A2 (en) | 2015-06-04 | 2016-06-03 | Marker materials and forms for magnetic marker localization (mml) |
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KR20180015234A KR20180015234A (ko) | 2018-02-12 |
KR102589814B1 true KR102589814B1 (ko) | 2023-10-13 |
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EP (3) | EP3782575A1 (ko) |
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