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    • 3. 发明授权
    • Methods and apparatuses for full-thickness hollow organ biopsy
    • 全层中空器官活检的方法和装置
    • US08617086B2
    • 2013-12-31
    • US13174267
    • 2011-06-30
    • Christopher Andrews
    • Christopher Andrews
    • A61B10/00
    • A61B10/0275A61B2010/0208
    • A method for obtaining a full thickness biopsy of the wall of a hollow organ, comprising obtaining an apparatus comprising a cannula comprising a proximal cannula end comprising a cutting edge; and a distal cannula end comprising a biased spring, the biased spring being coupled to a needle carrier and a releasable lock; and a needle disposed within the cannula and carried on the needle carrier, the needle comprising: a tip; a flange; a notch portion comprising a notch thickness; and a shaft comprising a shaft thickness; where the shaft thickness is greater than the notch thickness and the releasable lock is configured to hold the cannula in a withdrawn position relative to the needle; obtaining a patient having skin, a first wall, and a second wall; creating an incision through the skin of the patient; inserting the apparatus into the incision; advancing the apparatus through the first wall and the second wall; withdrawing the cannula relative to the needle; locking the cannula with the releasable lock; aligning the notch portion such that the notch portion straddles the second wall; releasing the releasable lock such that the cutting edge of the cannula passes completely through the second wall creating a full-thickness biopsy; and withdrawing the apparatus from the patient.
    • 一种用于获得中空器官壁的全层活检的方法,包括获得包括套管的装置,所述插管包括包括切割边缘的近侧插管端; 以及包括偏置弹簧的远端插管端,所述偏置弹簧联接到针托架和可释放锁; 以及设置在所述套管内并承载在所述针架上的针,所述针包括:尖端; 法兰 切口部分,包括凹口厚度; 以及包括轴厚度的轴; 其中所述轴厚度大于所述切口厚度,并且所述可释放锁定构造成将所述套管保持在相对于所述针的缩回位置; 获得具有皮肤的患者,第一壁和第二壁; 通过患者的皮肤创建切口; 将装置插入切口; 通过第一壁和第二壁推进装置; 相对于针抽出插管; 用可释放的锁锁定套管; 对准所述切口部分使得所述切口部分跨越所述第二壁; 释放可释放的锁,使得插管的切割边缘完全穿过第二壁,产生全层活检; 并从患者身上取出装置。
    • 4. 发明授权
    • Ambulatory infusion pump assembly and housing therefor
    • 动态输液泵组件及其壳体
    • US07914490B2
    • 2011-03-29
    • US12607495
    • 2009-10-28
    • David W. WrightConstance Ann GordenChristopher Andrews
    • David W. WrightConstance Ann GordenChristopher Andrews
    • A61M1/00
    • A61M5/14248A61M2005/14264A61M2205/7536
    • An ambulatory infusion pump assembly and housing therefore has a cover and a base providing an enclosed cavity. The system includes a liquid pump in fluid communication with a supply source of a liquid drug. The pump and supply source are received in the housing cavity. Further, the system includes a seal providing a liquid tight seal between the cover and the base. A through passage extends from the enclosed cavity external to the housing and an infusion tube extends through the through passage. A fluid tight seal is formed about the infusion tube. A vent is provided in the housing that maintains a balanced pressure state between the enclosed cavity and the atmosphere, while at the same time, the vent prevents the ingress and egress of contaminants into and fluid out of the enclosed cavity.
    • 因此,移动式输液泵组件和壳体具有盖和提供封闭空腔的底座。 该系统包括与液体药物的供应源流体连通的液体泵。 泵和供应源被容纳在壳体腔中。 此外,该系统包括在盖和基座之间提供液密密封的密封件。 通过通道从壳体外部的封闭空腔延伸,并且输注管延伸穿过通道。 围绕输液管形成流体密封。 在壳体中设置有一个通气口,其在封闭空腔和大气之间保持平衡的压力状态,同时,通风孔防止污染物进入和流出封闭空腔。
    • 5. 发明申请
    • Hemostasis seal
    • 止血印
    • US20070106262A1
    • 2007-05-10
    • US11257201
    • 2005-10-24
    • Neil BeckerChristopher Andrews
    • Neil BeckerChristopher Andrews
    • A61M39/10A61M39/00A61M25/16A61M25/18
    • A61M39/0606A61M2039/062A61M2039/0633A61M2039/064
    • A hemostasis seal configured for use in a splittable hemostasis valve, hub, or introducer sheath to permit passage of a medical device therethrough. The seal provides a substantially fluid-tight seal around the medical device without causing excessive frictional resistance that would otherwise unduly restrict movement of the medical device through the seal. In one embodiment, the seal includes first and second resilient seal portions each having a contoured mating surface to provide a first fluid seal with respect to the medical device. The seal also may include one or more projecting portions and one or more mating receiving portions which interact to provide a second fluid seal with respect to the medical device.
    • 止血密封件,其构造成用于可分离的止血阀,轮毂或引入器护套以允许医疗装置通过。 密封件围绕医疗装置提供基本上流体密封的密封,而不会引起过大的摩擦阻力,否则会过度地限制医疗装置通过密封件的运动。 在一个实施例中,密封件包括第一和第二弹性密封部分,每个具有轮廓匹配表面,以相对于医疗装置提供第一流体密封。 密封件还可以包括一个或多个突出部分和一个或多个配合接收部分,其相互作用以相对于医疗装置提供第二流体密封。