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1. (WO2018038116) NEEDLELESS INJECTOR
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Pub. No.:
WO/2018/038116
International Application No.:
PCT/JP2017/029981
Publication Date:
01.03.2018
International Filing Date:
22.08.2017
IPC:
A61M 5/303
(2006.01)
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
5
Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests
178
Syringes
30
Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or cartridges
303
Media expelled from injector by explosive charge
Applicants:
株式会社ダイセル DAICEL CORPORATION
[JP/JP]; 大阪府大阪市北区大深町3番1号 3-1, Ofuka-cho, Kita-ku, Osaka-shi, Osaka 5300011, JP
Inventors:
山本 裕三 YAMAMOTO, Yuzo
; JP
Agent:
丹羽 武司 NIWA, Takeshi
; JP
佐貫 伸一 SANUKI, Shinichi
; JP
今堀 克彦 IMABORI, Katsuhiko
; JP
菅家 博英 KANKE, Hirohide
; JP
Priority Data:
2016-162870
23.08.2016
JP
Title
(EN)
NEEDLELESS INJECTOR
(FR)
INJECTEUR SANS AIGUILLE
(JA)
無針注射器
Abstract:
(EN)
In an injector according to the present invention that is provided with an injector body, a syringe part, a piston part, an ignition device, and a pressing member, the pressing member is formed such that a portion thereof is displaced to the piston part side without returning to the ignition device side upon receiving ejection energy from the ignition device, and the pressing member is configured to press the piston part toward a plunger in conjunction with the displacement. In addition, the piston part includes an elastic deformation part and an output part. In the piston part, in the course of sliding thereof, elastic deformation of the elastic deformation part is partially or entirely eliminated so as to push out the output part in a direction toward the plunger from a state where the elastic deformation part is compressed to the utmost extent by pressing force of the pressing member while the piston part is being pressed by the pressing member. Accordingly, while the injector is made as compact as possible, efficient ejection of a substance to be injected is performed so that the substance to be injected is sent to an injection target region.
(FR)
Dans un injecteur selon la présente invention, qui est pourvu d'un corps d'injecteur, d'une partie de seringue, d'une partie de piston, d'un dispositif d'allumage et d'un élément de pression, l'élément de pression est formé de telle sorte qu'une partie correspondante est déplacée vers le côté de la partie de piston sans revenir du côté du dispositif d'allumage lors de la réception d'une énergie d'éjection provenant du dispositif d'allumage et l'élément de pression est conçu pour presser la partie de piston vers un piston conjointement avec le déplacement. De plus, la partie de piston comprend une partie de déformation élastique et une partie de sortie. Dans la partie de piston, lors du coulissement correspondant, une déformation élastique de la partie de déformation élastique est partiellement ou entièrement éliminée de manière à pousser vers l'extérieur la partie de sortie dans une direction vers le piston à partir d'un état dans lequel la partie de déformation élastique est comprimée dans la plus grande mesure par une force de pression de l'élément de pression pendant que la partie de piston est pressée par l'élément de pression. Par conséquent, pendant que l'injecteur est rendu aussi compact que possible, l'éjection efficace d'une substance à injecter est effectuée de telle sorte que la substance à injecter est envoyée à une région cible d'injection.
(JA)
注射器本体と、シリンジ部と、ピストン部と、点火装置と、押圧部材と、を備える注射器において、押圧部材はその一部が点火装置からの射出エネルギーを受けて点火装置側に戻らない状態でピストン部側に変位するように形成され、且つ変位に伴って該ピストン部をプランジャに向かって押圧するように構成される。更に、ピストン部は弾性変形部と出力部とを有し、ピストン部の摺動過程において、ピストン部は、押圧部材に押圧されながら、弾性変形部が押圧部材からの押圧力により最大限圧縮された状態から出力部をプランジャ方向に押し出すように弾性変形部の弾性変形が一部又は全部回復する。これにより、注射器を可及的にコンパクトとしながら、注射目的物質を注射対象領域に送り届けるために効率的な注射目的物質の射出を行う。
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, 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
)