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    • 5. 发明申请
    • Fluid Dispensing
    • 流体分配
    • US20100038384A1
    • 2010-02-18
    • US11886355
    • 2006-03-16
    • Mark WallaceRyan John ChessarClive Justin EdmundsJeremy CareyMichael Cameron Bainton
    • Mark WallaceRyan John ChessarClive Justin EdmundsJeremy CareyMichael Cameron Bainton
    • B67D7/58B65D83/00B65B1/04
    • B67D1/102B67D1/0079B67D2001/0812F04B23/02
    • A fluid dosing cartridge (110) comprising a fluid reservoir (112), a delivery conduit (114) with an output nozzle (22), a nozzle socket (24), a pump chamber (42) and plunger (44), and a check valve assembly (118). The check valve assembly (118) comprises a valve housing (26), defining a valve chamber (32), and first (34), second (36) and third (38) valve ports, and first and second check valves (28, 30). Each check valve (28, 30) comprises a stainless steel ball (46) resiliently biased under the action of a spring (50) and a valve seat (48). The valve seat (48) comprises a body member (52) and a circular wall member (56) defining a valve aperture (54). The valve seat (48) is formed from an ethylene based octene polymer material to give the valve seat (48) a degree of material compliance, such that the sealing section (56a) of the wall member (56) deforms under contact with the resiliently biased stainless steel ball (46), to thereby improve the seal closure between the valve seat (48) and the stainless steel ball (46).
    • 包括流体储存器(112),具有输出喷嘴(22)的输送导管(114),喷嘴插座(24),泵室(42)和柱塞(44))的流体计量盒(110) 止回阀组件(118)。 止回阀组件(118)包括限定阀室(32)以及第一(34),第二(36)和第三(38)阀口的阀壳体(26),以及第一和第二止回阀(28, 30)。 每个止回阀(28,30)包括在弹簧(50)和阀座(48)的作用下弹性偏压的不锈钢球(46)。 阀座(48)包括主体构件(52)和限定阀孔(54)的圆壁构件(56)。 阀座(48)由乙烯基辛烯聚合物材料形成,以使得阀座(48)具有一定程度的材料柔顺性,使得壁构件(56)的密封部分(56a)在弹性地接触时变形 偏压不锈钢球(46),从而改善阀座(48)和不锈钢球(46)之间的密封封闭。
    • 6. 发明授权
    • Medicament delivery device
    • 药物输送装置
    • US07361161B2
    • 2008-04-22
    • US10375097
    • 2003-02-28
    • Michael Cameron Bainton
    • Michael Cameron Bainton
    • A61M5/00
    • A61M5/31558A61M5/31551A61M5/31585A61M2005/3125
    • The present invention relates to a medicament delivery device such as an injector for self-administration of a medicament. Those using such devices are often infirm or have impaired vision. There is accordingly a dead for a medicament delivery device in which an amount of a dosage of medicament to be delivered can be selected relatively quickly by the firm and infirm alike and in which the amount of the dosage may readily be controlled and determined. Also there is a need to display the amount of the dialed dosage of medicament on the rotatable knob in figures sufficiently large and clear to be legible by those having a degree of impaired vision. There is disclosed a dose dial mechanism for a medicament delivery device having a housing, the dose dial mechanism comprising a dose dial element having a first thread for engagement with the housing and a dial sleeve member having a second thread for engagement with the housing; in which the dial sleeve member is coupled to the dose dial element so as to allow relative axial movement and inhibit relative rotational movement therebetween, and in which the pitch of the second thread is different from the pitch of the first thread so as to cause a different axial displacement of the dial sleeve member during axial displacement of the dose dial element.
    • 本发明涉及一种药物输送装置,例如用于药物的自我给药的注射器。 那些使用这种装置的人往往是体弱或视力受损。 因此,相应地,药物递送装置的死亡物,其中可以由公司和体弱相对较快地选择要递送的药物的剂量的量,并且其中剂量可以容易地被控制和确定。 此外,需要在可旋转的旋钮上显示足够大且清晰的图示的药物的量,以使具有视力受损程度的那些药物清晰可辨。 公开了一种用于具有壳体的药物输送装置的剂量拨盘机构,剂量拨号机构包括具有用于与壳体接合的第一螺纹的剂量拨号元件和具有用于与壳体接合的第二螺纹的拨号套筒构件; 其中所述拨号套筒构件联接到所述剂量拨号元件,以允许相对轴向移动并且阻止它们之间的相对旋转运动,并且所述第二线圈的间距不同于所述第一线的间距,从而导致 在剂量拨号元件的轴向移动期间,拨盘套筒构件的不同轴向位移。