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    • 1. 发明申请
    • Apparatus and methods for removing vertebral bone and disc tissue
    • 用于去除椎骨和椎间盘组织的装置和方法
    • US20050203527A1
    • 2005-09-15
    • US10793185
    • 2004-03-03
    • Harold CarrisonMukund PatelStanley Olson
    • Harold CarrisonMukund PatelStanley Olson
    • A61B17/00A61B17/16A61B17/22A61B17/32A61M1/00
    • A61B17/1671A61B17/1604A61B17/1615A61B17/1617A61B17/1631A61B17/1633A61B17/1662A61B17/221A61B17/32002A61B17/320725A61B2017/00261A61B2017/003A61B2017/22038A61B2017/320028A61B2017/320032A61B2217/005A61B2217/007
    • Tissue removal probes comprise an elongated member, a drive shaft rotatably disposed within the member, and a rotatably tissue removal element mounted to the distal end of the drive shaft. One tissue removal element comprises a plurality of tissue-cutting filaments affixed at proximal and distal ends of the tissue removal element. The cutting filaments may have optional hinge points that allow the distal end of the tissue removal element to be inverted, thereby transforming the tissue removal element from a tissue-cutting device to a tissue-grasping device. Another tissue removal element may have a blunted tip to prevent distal tissue trauma and an irrigation port to provide irrigation fluid to the removed tissue and/or tissue removal element. Another tissue removal element has a proximal and distal spiral grooves that are oppositely pitched, so that removed tissue can be collected in the middle of the tissue removal element. Another tissue removal element has independent counter-rotating tissue removal elements to maintain stability during a bone cutting procedure. Still another tissue removal element takes the form of a drill bit with fluted cutting grooves. Yet another tissue removal element has cascading tissue-cutting notches that can be reciprocatably moved to remove tissue within a hole.
    • 组织移除探针包括细长构件,可旋转地设置在构件内的驱动轴和安装到驱动轴的远端的可旋转的组织去除元件。 一个组织去除元件包括固定在组织去除元件的近端和远端的多个组织切割细丝。 切割细丝可以具有允许组织去除元件的远端反转的任选的铰链点,从而将组织去除元件从组织切割装置转变成组织抓取装置。 另一个组织去除元件可以具有钝的尖端以防止远端组织创伤和冲洗端口向被去除的组织和/或组织去除元件提供冲洗流体。 另一组织去除元件具有相对地倾斜的近端和远端螺旋槽,使得去除的组织可以被收集在组织移除元件的中间。 另一组织去除元件具有独立的反转组织去除元件,以在骨切割过程中保持稳定性。 另一种组织去除元件采用具有槽纹切割凹槽的钻头的形式。 另一种组织去除元件具有级联的组织切割凹口,其能够往复运动以去除孔内的组织。
    • 9. 发明授权
    • Medical wire introducer and balloon protective sheath
    • 医用导线导管器和球囊护套
    • US6156054A
    • 2000-12-05
    • US368397
    • 1999-08-04
    • G. Reza Zadno-AziziMukund PatelAndres D. TomasHung HaCelso Bagaoisan
    • G. Reza Zadno-AziziMukund PatelAndres D. TomasHung HaCelso Bagaoisan
    • A61F2/958A61M25/06A61M29/00
    • A61M25/0662A61M25/10
    • The present invention provides a protective sheath assembly which combines the function of an introducer, the function of a protective sheath and the function of a sealing valve in an integrated assembly. The protective sheath assembly of the present invention preferably comprises a protective sheath, a strain-relief tubing, and a connecting member or a hub. These parts are mounted, removably or permanently, into an integral device. The protective sheath assembly can also be used in combination with an introducer such as a needle introducer. The protective sheath has a proximal end, a distal end, and an elongated hollow body defining a lumen along the longitudinal direction of the protective sheath. A hub is provided to secure the proximal end of the protective sheath to an introducer. The lumen of the protective sheath serves to accommodate and protect a balloon catheter, as well as seal around the catheter.
    • 本发明提供了一种保护套组件,其结合了导引器的功能,保护套管的功能和集成组件中的密封阀的功能。 本发明的护套组件优选地包括保护护套,应变消除管和连接构件或毂。 这些部件可拆卸地或永久地安装在一体的装置中。 护套组件也可以与引导器(例如针导入器)结合使用。 护套具有近端,远端和沿着保护护套的纵向方向限定内腔的细长中空体。 提供了将护套的近端固定到导引器的毂。 护套的内腔用于容纳和保护球囊导管,以及围绕导管密封。