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    • 1. 发明申请
    • Method Of Molding A Microneedle
    • 成型方法微针
    • US20080088066A1
    • 2008-04-17
    • US11720480
    • 2005-12-07
    • Dennis FergusonSatinder NayarDonald Pochardt
    • Dennis FergusonSatinder NayarDonald Pochardt
    • B29C45/56
    • B29C45/568A61M37/0015A61M2037/0053B29C45/2669B29C45/34B29C45/561B29C2045/0094B29C2791/008B29L2031/7544B29L2031/756
    • A method of molding a microneedle using a mold apparatus that comprises a mold insert having the negative image of at least one microneedle, a compression core, and a mold housing configured to allow a reciprocal motion between the mold insert and the compression core. The mold apparatus has an open position and a closed position. The mold apparatus is placed in the closed position and polymeric material is injected into the closed mold apparatus. The injected polymeric material is compressed between the mold insert and the compression core by a reciprocal motion between the compression core and the mold insert. Also, molding methods wherein the mold apparatus has sidewalls having an injection gate. Also, molding methods comprising a heated mold insert. Also, molding methods comprising the application of ultrasonic energy to the mold apparatus.
    • 一种使用模具装置成型微针的方法,该模具装置包括具有至少一个微针的负像的模具插入件,压缩芯和模具壳体,所述模具壳体构造成允许模具插入件和压缩芯之间的往复运动。 模具装置具有打开位置和关闭位置。 将模具装置放置在关闭位置,将聚合物材料注入封闭的模具装置中。 注射的聚合物材料通过压缩芯和模具插入件之间的往复运动在模具插入件和压缩芯之间被压缩。 而且,其中模具装置具有具有注射门的侧壁的模制方法。 而且,模制方法包括加热的模具插入件。 而且,包括向模具装置施加超声波能量的成型方法。