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1. (WO2019027253) CATHETER FOR SENSING PRESSURE APPLIED TO FRONT END THEREOF BY USING OPTICAL FIBER AND CATHETER SYSTEM THEREFOR
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Pub. No.: WO/2019/027253 International Application No.: PCT/KR2018/008750
Publication Date: 07.02.2019 International Filing Date: 01.08.2018
IPC:
A61M 25/00 (2006.01) ,A61B 18/12 (2006.01) ,A61B 18/14 (2006.01) ,A61B 90/00 (2016.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
M
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
25
Catheters; Hollow probes
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
18
Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
04
by heating
12
by passing a current through the tissue to be heated, e.g. high-frequency current
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
18
Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
04
by heating
12
by passing a current through the tissue to be heated, e.g. high-frequency current
14
Probes or electrodes therefor
[IPC code unknown for A61B 90]
Applicants:
재단법인 아산사회복지재단 THE ASAN FOUNDATION [KR/KR]; 서울시 송파구 올림픽로43길 88 (풍납동) (Pungnap-dong) 88, Olympic-ro 43-gil, Songpa-gu Seoul 05505, KR
울산대학교 산학협력단 UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION [KR/KR]; 울산시 남구 대학로 93 (무거동) (Mugeo-dong) 93, Daehak-ro, Nam-gu Ulsan 44610, KR
Inventors:
황창모 HWANG, Chang Mo; KR
김영학 KIM, Young Hak; KR
남기병 NAM, Gi Byoung; KR
최재순 CHOI, Jae Soon; KR
정기석 JEONG, Gi Seok; KR
진소연 JIN, So Yeon; KR
Agent:
특허법인 무한 MUHANN PATENT & LAW FIRM; 서울시 강남구 언주로 560, 8층 (역삼동, 진영빌딩) (Jinyoung Building, Yeoksam-dong) 8th Floor, 560, Eonju-ro, Gangnam-gu Seoul 06144, KR
Priority Data:
10-2017-009800602.08.2017KR
Title (EN) CATHETER FOR SENSING PRESSURE APPLIED TO FRONT END THEREOF BY USING OPTICAL FIBER AND CATHETER SYSTEM THEREFOR
(FR) CATHÉTER POUR DÉTECTER LA PRESSION APPLIQUÉE À SON EXTRÉMITÉ AVANT À L'AIDE D'UNE FIBRE OPTIQUE ET SYSTÈME DE CATHÉTER ASSOCIÉ
(KO) 광섬유를 이용한 선단의 압력 감지 카테터 및 카테터 시스템
Abstract:
(EN) The present invention relates to a catheter comprising: a catheter body having a first area defined as a path along which at least one channel is formed, having a front end defined as a second area, the front end having a tip to which an external force is applied, and having a gap between the first area and the second area; an optical fiber comprising an optical core inserted into the channel and positioned in the first area, the optical fiber being configured such that, as the optical core emits light to the second area through the gap, the optical fiber receives light reflected by the reflecting mirror described below; and a reflecting mirror provided inside the front end and positioned in the second area so as to have a spherical surface positioned in the direction of the first area such that the same is not flat. As an external force is applied to the tip, the distance of spacing, on the gap, between the output end of the optical core and the reflecting mirror varies, and the direction and magnitude of the external force applied to the tip are sensed on the basis of the amount of change in the amount of light reflected by the reflecting mirror. According to the present invention, it is possible to provide a catheter capable of measuring the magnitude and direction of an external force applied to the front end of the catheter with a precise sensitivity by using information regarding the amount of change in the amount of light received by the optical fiber inside the catheter body.
(FR) La présente invention concerne un cathéter comprenant : un corps de cathéter ayant une première zone définie comme un trajet le long duquel au moins un canal est formé, ayant une extrémité avant définie à titre de seconde zone, où l'extrémité avant se termine par une pointe sur laquelle une force externe est appliquée, et où la première zone et la seconde zone sont séparées par un espace ; une fibre optique comprenant un cœur optique inséré dans le canal et positionnée dans la première zone, où la fibre optique est conçue de façon que, quand le cœur optique émet de la lumière en direction de la seconde zone à travers l'espace, la fibre optique reçoit la lumière réfléchie par le miroir réfléchissant décrit ci-dessous ; et un miroir réfléchissant situé à l'intérieur de l'extrémité avant et positionné dans la seconde zone de façon à avoir une surface sphérique orientée en direction de la première zone de façon qu'elle ne soit pas plate. Quand une force externe est appliquée à la pointe, la distance de séparation, sur l'espace, entre l'extrémité de sortie du cœur optique et le miroir réfléchissant varie, et le sens et l'amplitude de la force externe appliquée à la pointe sont détectés en fonction de la quantité de changement de la quantité de lumière réfléchie par le miroir réfléchissant. La présente invention permet d'obtenir un cathéter capable de mesurer l'amplitude et le sens d'une force externe appliquée sur son extrémité avant à une sensibilité précise à l'aide des informations de quantité de changement de la quantité de lumière reçue par la fibre optique à l'intérieur du corps de cathéter.
(KO) 본 발명은 카테터에 있어서, 하나 이상의 채널이 형성된 경로로서 제1 영역이 정의되고, 외력이 가해지는 팁이 마련된 선단이 제2 영역으로 정의되며 상기 제1 영역과 상기 제2 영역 사이에 갭(gap)을 갖는 카테터 본체; 상기 채널에 관입되어 상기 제1 영역에 위치하는 광코어를 포함하며, 상기 광코어가 상기 갭(gap)을 통해 상기 제2 영역으로 광을 방출함에 따라 하기 반사 미러에서 반사된 광을 수신하는 광섬유; 및 상기 선단의 내측에 마련되어 상기 제2 영역에 위치하며, 상기 제1 영역의 방향으로 구면이 편평하지 않도록 위치된 반사 미러를 포함하여, 상기 팁에 외력이 가해짐에 따라 상기 갭(gap) 상에서 상기 광코어의 출력단과 상기 반사 미러의 이격 거리가 가변되어, 상기 반사 미러에서 반사된 광량의 변화량으로 상기 팁에 가해지는 외력의 방향과 크기를 센싱한다. 본 발명에 따르면, 카테터 본체 내에 광섬유가 수신하는 광량의 변화량 정보를 이용하여 카테터 선단에 가해지는 외력의 크기와 방향을 정밀한 민감도로 측정할 수 있는 카테터가 제공될 수 있다.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)