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    • 7. 发明申请
    • DUAL-CHAMBER CYLINDER-PISTON UNIT FOR THE LYOPHILISATION, STORAGE, RECONSTITUTION AND APPLICATION OF INJECTION SOLUTIONS FOR AN INJECTOR, AND METHOD FOR FILLING THE CYLINDER-PISTON UNIT
    • 二室气缸活塞装置于冻干储存,准备和注射液用于灌装缸柱塞单元一个注射器和法中的应用
    • WO2010136132A2
    • 2010-12-02
    • PCT/EP2010002974
    • 2010-05-14
    • LOHMANN THERAPIE SYST LTSMATUSCH RUDOLF
    • MATUSCH RUDOLF
    • A61M5/30
    • A61M5/1782A61M5/30A61M5/3007A61M5/3129A61M5/31596A61M2005/3118B65B3/003
    • The invention relates to a piston-cylinder unit (1) for a needle-free injector, for example for providing a sterile injection solution, said unit comprising a chamber (3) arranged in a cylinder (2), for receiving an injection solution (4), a front wall (5) having at least one nozzle borehole or an outlet element (6), and a second piston (7) arranged in such a way that it can move in the chamber. Said unit is characterised in that the chamber (3) is made from two parts with a first chamber (8) and a concentric second chamber (9), the cross-section of the first chamber (8) being larger than the cross-section of the second chamber (9), the first chamber (8) is closed by a first piston (10) and the second chamber (9) is closed by the second piston, the first chamber (8) being separated from the second chamber (9), and the second piston comprises at least one flow channel (16) or the first chamber comprises at least one closable, axially oriented freeze-drying channel (34), and the second chamber (9) comprises at least one axially oriented flow channel (36), on the respective rear ends of the chambers (8, 9). The invention also relates to a method for filling the cylinder-piston unit (11).
    • (1)设置用于无针注射器,例如甲活塞 - 缸单元,其用于接收注射溶液(4),一个端壁提供在气缸(2)腔室(3),用于注射的无菌溶液,与(5)具有至少一个 喷嘴孔和出口元件在所述腔室(3)的第二活塞(7),其特征在于在(6)和可移动地布置一个 - 所述室(3)(以两个部分的第一腔室(8)和一个同心第二室9 形成),第一腔室的横截面(8)比所述第二腔室(9)的横截面更大, - 所述第一腔室(8)(由第一活塞10)和第二室(9)通过第二 活塞(7)关闭时,其特征在于,从所述第二腔室(9)的第一腔室(8)分离,以及 - 所述第二活塞(7)具有至少一个输送管道(16)或 - 所述第一腔室(8) 具有至少一个可关闭的 n个位于轴向排列的冷冻干燥通道(34)和第二室(9)与至少一个轴向取向的传输管(36)到所述腔室的相应的后端部(8,9)形成。 本发明还涉及一种用于填充所述气缸 - 活塞装置(1)。
    • 8. 发明申请
    • CYLINDER-PISTON UNIT SUITABLE FOR STORING INJECTION SOLUTIONS FOR A NEEDLE-FREE INJECTOR AND METHOD FOR THE BUBBLE-FREE AUTOMATIC OR MANUAL FILLING OF THE CYLINDER-PISTON UNIT, ALSO UNDER ATMOSPHERIC PRESSURE
    • 储存注射液的缸活塞单元,用于自动无气泡填充或MANELLEN缸活塞UNIT A无针注射器和方法,即使在大气压力下
    • WO2010136133A3
    • 2011-02-24
    • PCT/EP2010002975
    • 2010-05-14
    • LOHMANN THERAPIE SYST LTSMATUSCH RUDOLF
    • MATUSCH RUDOLF
    • A61M5/30A61M5/178
    • A61J1/2096A61M5/1782A61M5/286A61M5/30A61M2005/3128B65B3/003
    • The invention relates to a cylinder-piston unit (1) which is resistant to pressure, vapour and oxygen for a needle-free injector. Said unit comprises a chamber (3) which is arranged in a cylinder (2) and is used to accommodate an injection solution (4) in a durable and sterile manner, a front wall (5) having at least one nozzle bore or an outlet element (6), a pressure-stable exterior cylinder (13) and a piston (7) which is pressure, vapour and oxygen resistant and which is arranged in a displaceable manner in the chamber (3). According to the invention, the chamber (3) consists of a first chamber (8) and a second concentric chamber (9), the cross-section of the first chamber (8) being greater than the cross-section of the second chamber (9) and each nozzle bore or each outlet element (6) is sealed in a sterile manner by a membrane (26, 27) which is vapour and oxygen resistant and which opens when subjected to excess pressure. The invention also relates to a method for automatically or manually filling the cylinder-piston unit (1), also under atmospheric pressure.
    • 在水蒸汽和氧气阻隔性,耐压力缸 - 活塞装置(1)一种无针注射器,其被布置在一个在气缸(2)腔室(3),用于永久和无菌接受注射溶液(4),一个端壁(5) (7),所述室(3),其具有第一腔室具有至少一个喷嘴孔和出口元件(6),耐压外筒(13)和一个在所述腔室(3)可移动地布置,阻断水蒸气和氧气,耐压烧瓶( 8)和第二同心腔室(9),其中,所述第一腔室的横截面(8)比所述第二腔室(9)的横截面,并且每个喷嘴孔或每个出口元件(6)由水蒸汽和氧气阻隔时,在过压 开口形成以无菌的方式将膜(26,27)。 本发明还涉及一种用于自动或手动填充所述气缸 - 活塞装置(1),即使在大气压下的方法。