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    • 2. 发明授权
    • Packaging and de-packaging methods using shape memory polymers
    • 使用形状记忆聚合物的包装和去包装方法
    • US08733071B2
    • 2014-05-27
    • US13307494
    • 2011-11-30
    • Ingrid A. RousseauJohn N. OwensElisabeth J. BergerHamid G. Kia
    • Ingrid A. RousseauJohn N. OwensElisabeth J. BergerHamid G. Kia
    • B65B43/00B65B47/00
    • B65B33/00B29C61/02B29C61/06B29C61/10B29L2031/712
    • A method disclosed herein includes packaging and de-packaging a part. The part is packaged by placing the part adjacent to a shape memory polymer (SMP) while the SMP is in a permanent shape. The SMP is heated to a temperature above a switching temperature of the SMP, and a force is applied to the heated SMP such that it conforms to i) a shape of the part and/or ii) a desired shape for packing the part, thereby changing the SMP from the permanent shape into a temporary shape. The SMP is cooled to a temperature below the switching temperature to set the SMP into the temporary shape. The part is de-packaged by heating the SMP to a temperature above its switching temperature, thereby reverting the SMP from the temporary shape into the permanent shape and releasing the part. The part is removed from the SMP in the permanent shape.
    • 本文公开的方法包括包装和拆包部件。 通过将部件邻近形状记忆聚合物(SMP)放置在部件中,同时SMP处于永久形状。 将SMP加热到高于SMP的切换温度的温度,并且对加热的SMP施加力,使得其符合i)部件的形状和/或ii)用于包装部件的期望形状,由此 将SMP从永久形状变成临时形状。 将SMP冷却至低于开关温度的温度,将SMP设定为临时形状。 通过将SMP加热到高于其开关温度的温度来将部件取消封装,从而将SMP从临时形状恢复到永久形状并释放部件。 该部件从永久形状的SMP中移除。
    • 5. 发明申请
    • SHAPE MEMORY POLYMER MEDICAL CAST
    • 形状记忆聚合物医疗器械
    • US20100249682A1
    • 2010-09-30
    • US12410415
    • 2009-03-24
    • Ingrid A. RousseauElisabeth J. BergerJohn N. OwensHamid G. Kia
    • Ingrid A. RousseauElisabeth J. BergerJohn N. OwensHamid G. Kia
    • A61F5/00
    • A61F13/04
    • A medical cast and methods of using the same are disclosed. The method of making includes providing a shape memory polymer (SMP) in a permanent shape which corresponds to a limb's general shape but has a diameter smaller than the limb's diameter. The SMP is converted from the permanent shape into a primary temporary shape, which has a diameter larger than both a diameter of the permanent shape and a diameter of the limb. The limb is at least partially surrounded with the SMP in its primary temporary shape. The SMP is then heated, which causes the primary temporary shape to i) attempt to revert to the permanent shape, and ii) conform to a secondary temporary shape having a diameter smaller than that of the primary temporary shape and larger than that of the permanent shape. The SMP in the secondary temporary shape conforms to the limb.
    • 公开了医用铸件及其使用方法。 制造方法包括提供形状记忆聚合物(SMP),该形状记忆聚合物(SMP)具有对应于肢体的一般形状但直径小于肢体直径的永久形状。 SMP从永久形状转换成具有比永久形状的直径和肢体直径都大的直径的初级临时形状。 肢体至少部分地被SMP初步临时形成。 然后加热SMP,这导致初级临时形状i)试图恢复到永久形状,以及ii)符合具有小于初级临时形状的直径的直径的永久形状的二次临时形状,并且大于永久形状 形状。 次临时形状的SMP符合肢体。
    • 7. 发明授权
    • Molding methods using shape memory polymers
    • 使用形状记忆聚合物的成型方法
    • US07622069B1
    • 2009-11-24
    • US12277015
    • 2008-11-24
    • Hamid G. KiaIngrid A. RousseauElisabeth J. BergerJohn N. Owens
    • Hamid G. KiaIngrid A. RousseauElisabeth J. BergerJohn N. Owens
    • B28B7/32
    • B29C33/485B29C70/446B29K2995/0049
    • A molding method includes inserting a preform having a predetermined part shape into an external mold having the predetermined part shape. The preform has therein a perforated shape memory polymer mandrel in its temporary shape, and a bladder positioned within the perforated shape memory polymer mandrel. The shape memory polymer mandrel has i) the predetermined part shape as the temporary shape and ii) a shrunken shape as its permanent shape, wherein the shrunken shape is configured such that it is removable from the predetermined part shape. The method further includes configuring the bladder such that it substantially blocks perforations of the mandrel in its temporary shape, injecting resin into the external mold between an inner surface of the external mold and an outer surface of the preform such that the resin impregnates the preform, and curing the injected resin, thereby forming a molded part.
    • 成型方法包括将具有预定部分形状的预成型件插入具有预定部件形状的外部模具中。 预型件中具有其临时形状的穿孔形状记忆聚合物心轴和位于穿孔形状记忆聚合物心轴内的囊状物。 形状记忆聚合物心轴具有i)作为临时形状的预定部分形状,以及ii)缩小形状作为其永久形状,其中缩小形状被构造成使其能够从预定部分形状移除。 该方法还包括构造气囊,使得其基本上阻挡心轴的临时形状的穿孔,将外部模具的内表面和预制件的外表面之间的树脂注入外部模具中,使得树脂浸渍预成型件, 并固化注入的树脂,从而形成模制件。
    • 9. 发明授权
    • Shape memory polymer medical cast
    • 形状记忆聚合物医用铸件
    • US08100843B2
    • 2012-01-24
    • US12410415
    • 2009-03-24
    • Ingrid A. RousseauElisabeth J. BergerJohn N. OwensHamid G. Kia
    • Ingrid A. RousseauElisabeth J. BergerJohn N. OwensHamid G. Kia
    • A61F5/00
    • A61F13/04
    • A medical cast and methods of using the same are disclosed. The method of making includes providing a shape memory polymer (SMP) in a permanent shape which corresponds to a limb's general shape but has a diameter smaller than the limb's diameter. The SMP is converted from the permanent shape into a primary temporary shape, which has a diameter larger than both a diameter of the permanent shape and a diameter of the limb. The limb is at least partially surrounded with the SMP in its primary temporary shape. The SMP is then heated, which causes the primary temporary shape to i) attempt to revert to the permanent shape, and ii) conform to a secondary temporary shape having a diameter smaller than that of the primary temporary shape and larger than that of the permanent shape. The SMP in the secondary temporary shape conforms to the limb.
    • 公开了医用铸件及其使用方法。 制造方法包括提供形状记忆聚合物(SMP),该形状记忆聚合物(SMP)具有对应于肢体的一般形状但直径小于肢体直径的永久形状。 SMP从永久形状转换成具有比永久形状的直径和肢体直径都大的直径的初级临时形状。 肢体至少部分地被SMP初步临时形成。 然后加热SMP,这导致初级临时形状i)试图恢复到永久形状,以及ii)符合具有小于初级临时形状的直径的直径的永久形状的二次临时形状,并且大于永久形状 形状。 次临时形状的SMP符合肢体。