KR102621924B1 - 뇌동맥류 하이드로겔 스텐트 및 뇌동맥류 색전장치 - Google Patents
뇌동맥류 하이드로겔 스텐트 및 뇌동맥류 색전장치 Download PDFInfo
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- 206010002329 Aneurysm Diseases 0.000 title 1
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- 201000008450 Intracranial aneurysm Diseases 0.000 claims abstract description 171
- 229920000642 polymer Polymers 0.000 claims abstract description 72
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- 210000004204 blood vessel Anatomy 0.000 claims description 13
- 239000008280 blood Substances 0.000 claims description 12
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- 238000000926 separation method Methods 0.000 claims description 10
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- 239000000463 material Substances 0.000 claims description 7
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical group [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 4
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 4
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Abstract
이 중에서, 뇌동맥류 하이드로겔 스텐트는 하이드로겔 폴리머와, 하이드로겔 폴리머의 적어도 일부를 감싸고 뇌동맥류에서 펼쳐짐이 가능한 스텐트를 포함할 수 있다.
Description
도 2는 본 발명의 제1 실시예에 따른 뇌동맥류 색전장치가 뇌동맥류에 삽입되는 상태를 도시한 상태도이다.
도 3은 본 발명의 제1 실시예에 따른 뇌동맥류 색전장치의 스텐트가 뇌동맥류에서 펼쳐지는 상태를 도시한 상태도이다.
도 4는 본 발명의 제1 실시예에 따른 뇌동맥류 색전장치의 스텐트에서 푸셔 와이어가 분리된 상태를 도시한 상태도이다.
도 5는 본 발명의 제2 실시예에 따른 뇌동맥류 하이드로겔 스텐트가 뇌동맥류에 삽입된 상태를 도시한 정면도이다.
도 6은 본 발명의 제2 실시예에 따른 뇌동맥류 하이드로겔 스텐트를 도시한 측면도이다.
도 7은 본 발명의 제2 실시예의 변형예에 따른 뇌동맥류 하이드로겔 스텐트가 뇌동맥류에 삽입된 상태를 도시한 정면도이다.
도 8은 본 발명의 제2 실시예의 변형예에 따른 뇌동맥류 하이드로겔 스텐트를 도시한 측면도이다.
도 9는 본 발명의 제2 실시예의 다른 변형예에 따른 뇌동맥류 하이드로겔 스텐트가 뇌동맥류에 삽입된 상태를 도시한 정면도이다.
도 10은 본 발명의 제2 실시예의 다른 변형예에 따른 뇌동맥류 하이드로겔 스텐트를 도시한 측면도이다.
도 11은 본 발명의 제3 실시예에 따른 뇌동맥류 하이드로겔 스텐트가 뇌동맥류에 삽입된 상태를 도시한 정면도이다.
도 12는 본 발명의 제3 실시예에 따른 뇌동맥류 하이드로겔 스텐트를 도시한 측면도이다.
도 13은 본 발명의 제3 실시예의 변형예에 따른 뇌동맥류 하이드로겔 스텐트가 뇌동맥류에 삽입된 상태를 도시한 정면도이다.
120 : 스텐트 200 : 미세도관
300 : 푸셔 와이어 400 : 방사선비투과성 마커
Claims (9)
- 하이드로겔 폴리머; 및
상기 하이드로겔 폴리머의 적어도 일부를 감싸는 그물망 타입으로 제공되고, 뇌동맥류에 삽입전까지 미세도관에 삽입된 상태로 유지되고, 상기 미세도관의 끝단이 상기 뇌동맥류에 삽입될 때, 푸셔 와이어의 푸시에 의해 상기 미세도관의 끝단에서 배출되면서 상기 뇌동맥류에서 펼쳐지는 스텐트를 포함하고,
상기 하이드로겔 폴리머는
뇌동맥류에 근접하게 위치된 상태에서, 미세도관에서 배출되어 상기 스텐트와 함께 뇌동맥류에 삽입되고, 상기 뇌동맥류에 삽입될 때, 상기 뇌동맥류 내에서 혈액을 흡수하여 상기 뇌동맥류의 내경면 형상에 대응되도록 팽창되는,
뇌동맥류 하이드로겔 스텐트. - 삭제
- 제 1 항에 있어서,
상기 하이드로겔 폴리머는
전체가 상기 스텐트의 내측공간에 수용되거나, 일부가 상기 스텐트에서 노출되도록 상기 스텐트에 수용되는,
뇌동맥류 하이드로겔 스텐트. - 제 1 항에 있어서,
상기 스텐트는
소정의 온도 이상이 되거나 물에 접하면 원래 형태로 복원 가능한 니티놀(Nitinol) 소재인,
뇌동맥류 하이드로겔 스텐트. - 제 1 항에 있어서,
상기 스텐트는
상기 하이드로겔 폴리머가 수용 가능한 내측 공간이 제공되도록 복수개의 스텐트 와이어가 외측으로 볼록해지게 서로 엮이게 연결되는 웹부;
상기 웹부의 원위부 측이 수렴되도록 상기 웹부의 일단부에 마련되는 수렴부; 및
상기 웹부의 근위부 측이 수렴되도록 상기 웹부의 타단부에 마련되고, 푸셔 와이어와 연결되며, 상기 스텐트가 뇌동맥류에 삽입될 때 분리 가능한 분리부를 포함하는,
뇌동맥류 하이드로겔 스텐트. - 뇌동맥류 하이드로겔 스텐트;
상기 뇌동맥류 하이드로겔 스텐트를 혈관의 뇌동맥류로 안내하기 위한 이동 경로를 제공하는 미세도관; 및
상기 이동 경로에서 이동 가능하도록 상기 뇌동맥류 하이드로겔 스텐트에 연결되는 푸셔 와이어를 포함하고,
상기 뇌동맥류 하이드로겔 스텐트는
하이드로겔 폴리머; 및
상기 하이드로겔 폴리머의 적어도 일부를 감싸는 그물망 타입으로 제공되고, 뇌동맥류에 삽입전까지 미세도관에 삽입된 상태로 유지되고, 상기 미세도관의 끝단이 상기 뇌동맥류에 삽입될 때, 푸셔 와이어의 푸시에 의해 상기 미세도관의 끝단에서 배출되면서 상기 뇌동맥류에서 펼쳐지는 스텐트를 포함하고,
상기 하이드로겔 폴리머는
뇌동맥류에 근접하게 위치된 상태에서, 미세도관에서 배출되어 상기 스텐트와 함께 뇌동맥류에 삽입되고, 상기 뇌동맥류에 삽입될 때, 상기 뇌동맥류 내에서 혈액을 흡수하여 상기 뇌동맥류의 내경면 형상에 대응되도록 팽창되는,
뇌동맥류 색전장치. - 제 6 항에 있어서,
상기 뇌동맥류 하이드로겔 스텐트에 구비되고, 상기 혈관 내 상기 뇌동맥류 하이드로겔 스텐트의 위치를 확인을 위해, 방사선을 통과시키지 않는 재질로 이루어지는 방사선비투과성 마커를 더 포함하는,
뇌동맥류 색전장치. - 삭제
- 제 6 항에 있어서,
상기 뇌동맥류 하이드로겔 스텐트는
상기 뇌동맥류에 대한 시술 전, 상기 미세도관에 삽입된 상태로 제공되고,
상기 스텐트는
외경면이 상기 미세도관의 내경면에 의해 압축된 상태로 유지되는,
뇌동맥류 색전장치.
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