KR102585857B1 - 저온수술 기구 - Google Patents
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Abstract
Description
도 2a는 본 발명에 따른 예시적인 저온수술 기구의 길이방향 단면의 상세도이다.
도 2b 내지 도 2d는 도 2a에 도시된 단면에서 도 2a에 도시된 본 발명에 따른 기구의 단면도이다.
도 3은 본 발명에 따른 예시적인 저온수술 기구의 길이방향 단면의 상세도이다.
도 4는 다른 예시적인 실시예에 따른 저온수술 기구의 길이방향 단면의 상세도이다.
도 5는 내시경의 작업 채널에서 안내되는 본 발명에 따른 예시적인 저온수술 기구의 길이방향 단면의 상세도이다.
도 6은 본 발명에 따른 예시적인 기구의 길이방향 단면의 상세도이다.
도 7은 본 발명에 따른 예시적인 기구의 길이방향 단면의 상세도이다.
11 샤프트
12 헤드
13 기구의 원위 단부 섹션
13a 기구의 원위 단부
14 접착면
15 공급 라인
16 개구
17 개방부
18 팽창 챔버
19 복귀 라인
19m-1 복귀 라인의 전이 섹션
19m-2 복귀 라인의 전이 섹션
20 복귀 라인의 원위 단부
21 모세권 라인 섹션/모세관 섹션
22 마우스
23 전방측
24 캡
25 거리
26 벽면
27 루멘
28 직경
29 길이
30n, 30n-1, 30n-2 스텝 섹션
32m-1, 32n-2 전이 섹션
33 내부 단면적/유동 단면적
34 팽창 챔버를 향한 유동 방향
35 내부 벽면
36 전이 영역
37 테이퍼링 각도
38a 샤프트의 벽
38b 헤드의 벽
39 공급 라인의 벽
40 외부 단면
41 복귀 라인의 유동 단면
42 팽창 챔버로부터 먼 유동 방향
43 원위 작업 단부
44 모세관 섹션의 벽
45 작업 채널
46 내시경
47 단부 섹션
48 단부 섹션의 외경
49 샤프트의 외경
50 조직 샘프
51 장착 섹션
52 단부 섹션
53 접착 섹션
54 허리부
55 헤드 수용 부
An, An-1, An-2 복귀 라인의 유동 단면적 컨텐츠
Bn, Bn-1, Bn-2 공급 라인의 유동 단면적 컨텐츠
S1-S1, S2-S2, S3-S3 섹션 평면
Claims (14)
- 샤프트(11)의 봉입된 원위 단부에 배치된 팽창 챔버(18) 내로 유체를 공급하기 위한 공급 라인(15)으로서, 상기 팽창 챔버(18) 내에서 끝나는 모세관 라인 섹션(21)을 갖는, 상기 공급 라인(15);
상기 팽창 챔버(18)로부터 가스를 복귀시키기 위해 상기 팽창 챔버(18)에 연결되는 복귀 시스템을 구비하고,
상기 샤프트(11)의 봉입된 원위 단부는, 구형의 내부 표면을 갖고,
상기 공급 라인(15)은 상기 모세관 라인 섹션(21)과 서로 다른 크기의 내부 단면(33)을 갖는 적어도 하나의 제 1 섹션(30n-2, 30n-1)을 가지며,
상기 모세관 라인 섹션(21) 및 상기 제 1 섹션(30n-2, 30n-1)은 상기 공급 라인(15)의 팽창 챔버(18)를 향하는 유체의 유동 방향(34)을 따라 일정한 내부 단면을 갖는 스텝 섹션이고,
상기 모세관 라인 섹션(21)은 상기 유체에 대하여 주울-톰슨(Joule-Thomson) 효과를 발생시키도록 구성되고,
상기 제 1 섹션(30n-2, 30n-1)의 내부 단면(33)은, 상기 모세관 라인 섹션(21)의 내부 단면보다도 더 크고,
상기 공급 라인(15)은 적어도 하나의 전이 섹션(32n-2, 32n-1)을 갖고,
상기 적어도 하나의 전이 섹션(32n-2, 32n-1)은 상기 모세관 라인 섹션(21)과 상기 제 1 섹션(30n-2, 30n-1) 사이에 배치되고,
상기 공급 라인(15)을 통한 유동 경로는 상기 적어도 하나의 전이 섹션(32n-2, 32n-1)에서 상기 팽창 챔버(18)를 향하는 상기 유체의 유동방향(34)으로 깔때기의 형태로 테이퍼지고,
상기 공급 라인(15)은 상기 복귀 시스템의 복귀 라인(19)에 배치되고 및/또는 상기 복귀 라인(19)은 상기 공급 라인(15) 옆에 배치되고,
상기 공급 라인(15)의 벽은 상기 복귀 라인(19)의 벽을 형성하고,
상기 복귀 라인(19)을 통과하는 유동 경로는 상기 적어도 하나의 전이 섹션(32n-2, 32n-1)의 옆에서, 상기 팽창 챔버(18)를 향하는 상기 유체의 유동 방향(34)과는 반대 방향(42)으로 테이퍼지는, 저온수술 기구(10). - 제 1 항에 있어서,
상기 공급 라인(15)의 유동 경로는 상기 전이 섹션(32n-1)에서 상기 모세관 라인 섹션(21, 30n)을 향하여 깔때기 형태로 테이퍼지는, 저온수술 기구(10). - 삭제
- 삭제
- 제 1 항 또는 제 2 항에 있어서,
상기 기구(10)는 상기 유체에 대한 유동 단면이 상기 모세관 라인 섹션(21)의 마우스(22)로부터 상기 팽창 챔버(18) 안으로의 전이 중에 급격히 증가하는 방식으로 구성되는, 저온수술 기구(10). - 제 1 항 또는 제 2 항에 있어서,
상기 모세관 라인 섹션(21)의 내부 단면에 대한 상기 모세관 라인 섹션(21) 옆의 또는 상기 모세관 라인 섹션(21) 주위의 상기 복귀 라인(19)의 유동 단면(41)의 비는 5보다 크거나 같은, 저온수술 기구(10). - 제 1 항 또는 제 2 항에 있어서,
상기 공급 라인(15)의 외부 단면(40)은 상기 깔때기형 전이 섹션들(32n-2, 32n-1)에서 상기 모세관 라인 섹션(21)의 마우스(22)를 향한 방향(34)으로 연속적으로 감소되는, 저온수술 기구(10). - 제 1 항 또는 제 2 항에 있어서,
상기 모세관 라인 섹션(21) 및 상기 전이 섹션(32n-2, 32n-1)을 갖는 상기 공급 라인(15)의 섹션은 이음매없이 한 부재로 형성되는, 저온수술 기구(10). - 제 1 항 또는 제 2 항에 있어서,
상기 모세관 라인 섹션(21) 및 상기 깔때기형 전이 섹션(32n-2, 32n-1)을 갖는 상기 공급 라인(15)의 섹션은 회전 스웨이징 공정을 사용하여 생산되는, 저온수술 기구(10). - 제 1 항 또는 제 2 항에 있어서,
상기 모세관 라인 섹션(21)의 벽 두께는 상기 모세관 라인 섹션(21)을 향한 상기 전이 섹션(32n-2, 32n-1)에 인접한 공급 라인 섹션의 벽 두께보다 크거나 같은, 저온수술 기구(10). - 제 1 항 또는 제 2 항에 있어서,
상기 모세관 라인 섹션(21)의 길이(29)에 대한 상기 모세관 라인 섹션(21)의 내경(28)의 비는 최소 0.004에서 최대 0.2 사이인, 저온수술 기구(10). - 제 1 항 또는 제 2 항에 있어서,
상기 내부 단면(33)이 상기 전이 섹션(32n-2, 32n-1)에서 깔때기 형상으로 테이퍼진 테이퍼 각도(37)는 최소 15°내지 최대 40° 사이인, 저온수술 기구(10). - 제 1 항 또는 제 2 항에 있어서,
상기 모세관 라인 섹션(21)의 마우스 개방부(22)는 상기 모세관 라인 섹션(21)의 전방 측(23)에 제공되는, 저온수술 기구(10). - 제 1 항 또는 제 2 항에 있어서,
상기 모세관 라인 섹션(21)의 마우스 개방부(22)와 상기 팽창 챔버(18)의 반대 벽면(26) 사이의 거리(25)는 최소 0.5 mm 내지 최대 5 mm 사이인, 저온수술 기구(10).
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