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1. (WO2017154748) MEDICAL DEVICE AND TREATMENT METHOD
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Pub. No.: WO/2017/154748 International Application No.: PCT/JP2017/008400
Publication Date: 14.09.2017 International Filing Date: 03.03.2017
IPC:
A61B 17/3207 (2006.01) ,A61B 17/22 (2006.01) ,A61M 25/00 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
17
Surgical instruments, devices or methods, e.g. tourniquets
32
Surgical cutting instruments
3205
Excision instruments
3207
Atherectomy devices
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
17
Surgical instruments, devices or methods, e.g. tourniquets
22
Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
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
Applicants:
テルモ株式会社 TERUMO KABUSHIKI KAISHA [JP/JP]; 東京都渋谷区幡ヶ谷二丁目44番1号 44-1, Hatagaya 2-chome, Shibuya-ku, Tokyo 1510072, JP
Inventors:
北岡孝史 KITAOKA, Takashi; JP
今井正臣 IMAI, Masaomi; JP
増渕雄輝 MASUBUCHI, Yuuki; JP
千田高寛 CHIDA, Takahiro; JP
金本和明 KANAMOTO, Kazuaki; JP
加藤幸俊 KATOU, Yukitoshi; JP
Agent:
山田牧人 YAMADA, Makito; JP
Priority Data:
2016-04555409.03.2016JP
Title (EN) MEDICAL DEVICE AND TREATMENT METHOD
(FR) DISPOSITIF MÉDICAL ET PROCÉDÉ DE TRAITEMENT
(JA) 医療デバイスおよび処置方法
Abstract:
(EN) Provided are a medical device capable of fragmenting and effectively removing objects formed in a body lumen, and a treatment method using the medical device. This medical device (10) is a device to be inserted inside a body lumen to suck out objects that are inside the body lumen, said device comprising a rotationally driven elongated shaft (20), a fragmenting portion (60) which is connected to the distal part of the shaft (20) so as to be able to rotate with the shaft (20) and is formed from a plurality of deformable helical parts into a generally tubular configuration with a plurality of gaps and in a manner so as to be able to expand radially from the shaft (20), and a membrane (40) which is arranged so as to cover the gaps at the distal part of the fragmenting portion (60), the proximal side edge (41) of said membrane being distal relative to the proximal side end of the fragmenting portion. The shaft (20) is provided with an opening (22) which communicates with the proximal part of the shaft (20) in a location surrounded by the fragmenting portion (60).
(FR) L'invention concerne un dispositif médical capable de fragmenter et de retirer efficacement des objets formés dans une lumière corporelle, et un procédé de traitement utilisant le dispositif médical. Ledit dispositif médical (10) est un dispositif à insérer à l'intérieur d'une lumière corporelle pour aspirer des objets qui se trouvent à l'intérieur de la lumière corporelle, ledit dispositif comprenant une tige allongée entraînée en rotation (20), une partie de fragmentation (60) qui est reliée à la partie distale de la tige (20) de façon à pouvoir tourner avec la tige (20) et est constituée d'une pluralité de parties hélicoïdales déformables dans une configuration généralement tubulaire avec une pluralité d'intervalles et de façon à pouvoir s'étendre radialement depuis la tige (20), et une membrane (40) qui est conçue pour recouvrir les intervalles au niveau de la partie distale de la partie de fragmentation (60), le bord côté proximal (41) de ladite membrane étant distal par rapport à l'extrémité côté proximal de la partie de fragmentation. La tige (20) comporte une ouverture (22) qui communique avec la partie proximale de la tige (20) dans un emplacement entouré par la partie de fragmentation (60).
(JA) 生体管腔に生じる物体を破砕して効率よく除去できる医療デバイス及びそれを使用した処置方法を提供する。 生体管腔に挿入されて当該生体管腔の物体を吸引して除去するための医療デバイス(10)であって、回転駆動される長尺なシャフト部(20)と、前記シャフト部(20)の遠位部に連結されてシャフト部(20)とともに回転可能であり、複数の間隙を有するように複数の変形可能な螺旋部(61)により全体として筒状に構成されて前記シャフト部(20)の径方向へ拡張可能な破砕部(60)と、破砕部(60)の遠位部の間隙を塞ぐように配置され、近位側の縁部(41)が破砕部の近位側端部よりも遠位側に位置する膜体(40)と、を有し、シャフト部(20)は、破砕部(60)に囲まれる位置にシャフト部(20)の近位部に連通する開口部(22)が設けられている。
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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, JP, KE, KG, KH, KN, KP, KR, 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: Japanese (JA)
Filing Language: Japanese (JA)