KR20200085155A - 비후성 심근증 시술용 냉동절제 카테터 및 이를 이용한 비후성 심근증 냉동절제 시술방법 - Google Patents
비후성 심근증 시술용 냉동절제 카테터 및 이를 이용한 비후성 심근증 냉동절제 시술방법 Download PDFInfo
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- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
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- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
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- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
- A61B2018/0212—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument inserted into a body lumen, e.g. catheter
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- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
- A61B2018/0231—Characteristics of handpieces or probes
- A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid
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- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
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Abstract
본 발명의 비후성 심근증 시술을 위한 냉동절제 카테터는 유체가 주입되는 주입관과 유체가 빠져나오는 배출관이 내부에 설치되어 있으며, 주입관과 배출관 이외의 부분은 진공상태를 유지하는 진공영역과, 상기 진공영역과 구분되어 전단에 설치되며, 상기 주입관의 끝단과 상기 배출관의 끝단이 서로 연통되어 있으며, 상기 주입관의 끝단에 형성된 팁을 통해 빠져 나온 유체가 팽창하면서 주위를 냉각시키는 냉동영역을 포함하는 몸체부; 및 상기 몸체부의 끝단에 형성되며, 내부에 가이드와이어를 삽입하는 가이드와이어 루멘이 형성되고, 끝단으로 갈수록 가늘어지는 테이퍼진 팁;을 포함한다.
Description
도 2는 일반적인 냉동절제 시스템의 기본 구조를 도시한다.
도 3은 본 발명의 비후성 심근증 시술용 냉동절제 카테터 및 이를 이용한 시술방법을 나타내는 개략도이다.
도 4는 본 발명의 비후성 심근증 시술용 냉동절제 카테터의 개략도이다.
Claims (9)
- 비후성 심근증 시술을 위한 냉동절제 카테터에 있어서,
유체가 주입되는 주입관과 유체가 빠져나오는 배출관이 내부에 설치되어 있으며, 주입관과 배출관 이외의 부분은 진공상태를 유지하는 진공영역과,
상기 진공영역과 구분되어 전단에 설치되며, 상기 주입관의 끝단과 상기 배출관의 끝단이 서로 연통되어 있으며, 상기 주입관의 끝단에 형성된 팁을 통해 빠져 나온 유체가 팽창하면서 주위를 냉각시키는 냉동영역을 포함하는 몸체부; 및
상기 몸체부의 끝단에 형성되며, 내부에 가이드와이어를 삽입하는 가이드와이어 루멘이 형성되고, 끝단으로 갈수록 가늘어지는 테이퍼진 팁;을 포함하는 것을 특징으로 하는 비후성 심근증 시술용 냉동절제 카테터. - 제 1항에 있어서,
상기 가이드와이어 루멘은 상기 가이드와이어와 서로 밀착되어 이격공간이 없는 것을 특징으로 하는 비후성 심근증 시술용 냉동절제 카테터. - 제 1항에 있어서,
상기 가이드와이어 루멘은 상기 테이퍼진 팁의 끝단인 팁홀에서 상기 테이퍼진 팁의 타측에 형성된 사이드 홀(side hole)까지 연통되는 것을 특징으로 하는 비후성 심근증 시술용 냉동절제 카테터. - 제 1항에 있어서,
상기 테이퍼진 팁은 나선형 타입의 코일 와이어 또는 브레이드 타입의 와이어가 내부에 형성된 것을 특징으로 하는 비후성 심근증 시술용 냉동절제 카테터. - 제 1항에 있어서,
상기 테이퍼진 팁은 표면이 친수성 고분자 코팅층(hydrophilic polymer coating)이 형성된 것을 특징으로 하는 비후성 심근증 시술용 냉동절제 카테터. - 제 1항에 있어서,
상기 테이퍼진 팁은 길이가 5~20mm이며, 첨부는 1.2~1.4Fr의 두께, 첨부 반대편은 3~6Fr의 두께를 지니는 것을 특징으로 하는 비후성 심근증 시술용 냉동절제 카테터. - 냉동절제 카테터를 이용한 비후성 심근증 시술 방법에 있어서,
i) 가이드와이어(guidewire)를 관상정맥동(coronary sinus)과 중격정맥(septal vein)을 통해서 비대해진 심실중격(hypertrophied septum)에 위치시키는 단계;
ii) 상기 가이드와이어를 따라서 가이드와이어루멘이 형성된 냉동절제 카테터를 상기 비대해진 심실중격에 전달하는 단계; 및
iii) 상기 냉동절제 카테터 내로 유체를 주입하여 냉동절제 영역에서 비대해진 심실중격에 냉동절제를 실시하는 단계;를 포함하는 것을 특징으로 하는 비후성 심근증 냉동절제 시술방법. - 제 7항에 있어서,
상기 냉동절제를 실시하는 단계에서, 영상장비를 이용하여 냉동절제 영역 주위에 형성되는 아이스 볼을 모니터하면서 냉동절제술을 시행하는 것을 특징으로 하는 비후성 심근증 냉동절제 시술방법. - 제 7항에 있어서,
상기 냉동절제 카테터의 끝단에는 내부에 가이드와이어를 삽입하는 가이드와이어 루멘이 형성되고, 끝단으로 갈수록 가늘어지는 테이퍼진 팁이 형성된 것을 특징으로 하는 비후성 심근증 냉동절제 시술방법.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020190001332A KR102170109B1 (ko) | 2019-01-04 | 2019-01-04 | 비후성 심근증 시술용 냉동절제 카테터 |
| CN201911395704.2A CN111407392A (zh) | 2019-01-04 | 2019-12-30 | 肥厚型心肌病手术用冷冻消融导管及冷冻消融手术方法 |
| EP20150241.6A EP3677205A1 (en) | 2019-01-04 | 2020-01-03 | Cryoablation catheter for treatment of hypertrophic cardiomyopathy and method for treatment using same |
| US16/734,298 US20200214756A1 (en) | 2019-01-04 | 2020-01-03 | Cryoablation catheter for treatment of hypertrophic cardiomyopathy and method for treatment using same |
| JP2020000336A JP7240582B2 (ja) | 2019-01-04 | 2020-01-06 | 肥厚性心筋症手術用冷凍アブレーションカテーテルおよびこれを用いる方法 |
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| EP (1) | EP3677205A1 (ko) |
| JP (1) | JP7240582B2 (ko) |
| KR (1) | KR102170109B1 (ko) |
| CN (1) | CN111407392A (ko) |
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2020
- 2020-01-03 US US16/734,298 patent/US20200214756A1/en not_active Abandoned
- 2020-01-03 EP EP20150241.6A patent/EP3677205A1/en not_active Withdrawn
- 2020-01-06 JP JP2020000336A patent/JP7240582B2/ja active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100256620A1 (en) * | 2006-01-12 | 2010-10-07 | Galil Medical Ltd. | Thin flexible cryoprobe operated by krypton |
| KR20160061394A (ko) | 2013-09-24 | 2016-05-31 | 아다지오 메디컬, 인크. | 혈관내 근임계 유체 기반 냉동절제 카테터 및 관련 방법 |
| KR20150102813A (ko) * | 2014-02-28 | 2015-09-08 | 연세대학교 산학협력단 | 풍선 카테터 |
| KR20160011530A (ko) * | 2014-07-22 | 2016-02-01 | 부산대학교 산학협력단 | 심실 중격 내에 관상정맥동을 통과한 심박동기의 리드 끝단을 위치시키는 방법, 장치, 및 카테터 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020108785A (ja) | 2020-07-16 |
| CN111407392A (zh) | 2020-07-14 |
| JP7240582B2 (ja) | 2023-03-16 |
| KR102170109B1 (ko) | 2020-10-26 |
| EP3677205A1 (en) | 2020-07-08 |
| US20200214756A1 (en) | 2020-07-09 |
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