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    • 5. 发明授权
    • Method of measuring a body cavity
    • 测量体腔的方法
    • US06273895B1
    • 2001-08-14
    • US09573294
    • 2000-05-18
    • Leonard PinchukDavid C. MacGregor
    • Leonard PinchukDavid C. MacGregor
    • A61F1100
    • A61F2/95A61B5/1076A61B2090/061A61F2/90A61F2002/9517A61F2250/0097
    • An apparatus and method are disclosed for measuring the desired length of a prosthetic device which is to be implanted in a body cavity of a patient. The apparatus generally includes a helically coiled stent formed of a resiliently-deformable material, a plunger which is connected to the proximal end of the stent, a sheath which slides over the plunger and stent when the plunger and sheath are used to insert and removably deploy the stent into the body cavity, and a scale for measuring an indication of the length of the stent once removably deployed in the body cavity. Proximal movement of the sheath to partially deploy the stent causes a length to be indicated on the scale. According to the method of the invention, the helically coiled stent of the apparatus is placed and partially deployed within the body cavity by use of the plunger and sheath of the apparatus. Once the stent bridges the body cavity, the scale of the apparatus is used to determine the length of the deployed stent. The apparatus is then removed from the body cavity, and a stent similar to the stent of the apparatus is cut to the length indicated on the scale. In a second embodiment of the apparatus and method, the stent of the measuring apparatus is substantially non-porous to allow occlusion of side vessels extending from the body cavity. The patient is then monitored for any ill effects resulting from the occlusion.
    • 公开了一种用于测量要植入患者体腔中的假体装置的期望长度的装置和方法。 该装置通常包括由可弹性变形的材料形成的螺旋卷曲的支架,连接到支架的近端的柱塞,当柱塞和护套用于插入和可移除地部署时,在柱塞和支架上滑动的护套 支架进入体腔,以及用于测量一旦可移除地展开在体腔中的支架的长度指示的标尺。 护套部分展开支架的近端运动会导致刻度上显示长度。 根据本发明的方法,通过使用装置的柱塞和护套将装置的螺旋卷绕的支架放置并部分地展开在体腔内。 一旦支架桥接体腔,则该装置的尺度用于确定展开的支架的长度。 然后将该装置从体腔中取出,将与装置的支架类似的支架切割成刻度上指示的长度。 在装置和方法的第二实施例中,测量装置的支架基本上是无孔的,以允许从身体腔延伸的侧容器闭塞。 然后监测患者由闭塞引起的任何不良影响。
    • 8. 发明授权
    • Non-woven endoprosthesis
    • 无纺内置假体
    • US5015253A
    • 1991-05-14
    • US366676
    • 1989-06-15
    • David C. MacGregor
    • David C. MacGregor
    • A61F2/88A61F2/90A61F2/92
    • A61F2/88A61F2/90A61F2/92A61F2210/0076
    • A generally tubular endoprosthesis or stent that includes a non-woven structure formed by two or more generally helically shaped cylinders of stiff strand material is provided. The strand material forming the non-woven structure is preferably secured together at attachment sites thereby allowing the stent to be flexible and adjustable to meet various application needs. Typically, these attachment sites will be somewhat frangible. The method used to make the endoprosthesis allows the architecture of the non-woven structure of the endoprosthesis to be varied according to the application for which the device is intended.
    • 提供了包括由两根或更多个大体上为螺旋状的刚性线材料的圆筒形成的无纺布结构的大致管状的内置假体或支架。 形成无纺布结构的绞合材料优选在附着位置固定在一起,从而允许支架柔性且可调节以满足各种应用需要。 通常情况下,这些附件位置将会稍微变脆。 用于制造假体的方法允许内置假体的无纺布结构的结构根据装置所期望的应用而变化。
    • 10. 发明授权
    • Non-woven endoprosthesis
    • 无纺内置假体
    • US5171262A
    • 1992-12-15
    • US621317
    • 1990-12-03
    • David C. MacGregor
    • David C. MacGregor
    • A61F2/88A61F2/90A61F2/92
    • A61F2/88A61F2/90A61F2/92
    • A generally tubular endoprosthesis or stent that includes a non-woven structure formed by two or more generally helically shaped cylinders of stiff strand material is provided. The strand material forming the non-woven structure is preferably secured together at attachment sites thereby allowing the stent to be flexible and adjustable to meet various application needs. Typically, these attachment sites will be somewhat frangible. The method used to make the endoprosthesis allows the architecture of the non-woven structure of the endoprosthesis to be varied according to the application for which the device is intended.
    • 提供了包括由两根或更多个大体上为螺旋状的刚性线材料的圆筒形成的无纺布结构的大致管状的内置假体或支架。 形成无纺布结构的绞合材料优选在附着位置固定在一起,从而允许支架柔性且可调节以满足各种应用需要。 通常情况下,这些附件位置将会稍微变脆。 用于制造假体的方法允许内置假体的无纺布结构的结构根据装置所期望的应用而变化。