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    • 1. 发明申请
    • URETERAL ACCESS SHEATH
    • 不便之路
    • WO2004006989A3
    • 2004-03-25
    • PCT/US0322161
    • 2003-07-15
    • APPLIED MED RESOURCESDULAK GARY RCLAYMAN RALPH V
    • DULAK GARY RCLAYMAN RALPH V
    • A61M20060101A61M25/00A61M25/06
    • A61M25/0662A61M25/0009A61M25/0017
    • A ureteral access sheath (10) adapted for insertion into a urethra includes an elongate tube (14) extending between a proximal end and a distal end. A handle assembly is disposed at the proximal end and includes enlarged portions (18), which inhibit migration of the sheath into the urethra. The enlarged portions are shaped like the bell of a horn with a concave, distally facing outer surface and a convex, proximally-facing inner surface. The inner surface functions as a funnel while the outer surface is sized and configured to receive adjacent fingers of a user's hand held in its natural position. In an associated method, this shape of the handle assembly facilitates maintaining the sheath in a stationary position during insertion and removal of instrumentation. The handle assembly can be movable on the tube to facilitate variation of the sheath link in situ.
    • 适于插入尿道的输尿管通路护套(10)包括在近端和远端之间延伸的细长管(14)。 手柄组件设置在近端处并且包括放大的部分(18),其抑制护套向尿道的迁移。 扩大部分的形状类似喇叭的钟形,具有凹面的,面向远端的外表面和凸起的面向近侧的内表面。 内表面用作漏斗,而外表面的尺寸和构造适于接纳保持在其自然位置的用户手的相邻手指。 在相关联的方法中,手柄组件的这种形状便于在插入和移除仪器时将护套保持在静止位置。 手柄组件可以在管上移动以便于原位将护套连接件变化。
    • 5. 发明申请
    • ARTIFICIAL NUCLEUS PULPOSUS AND METHOD OF INJECTING SAME
    • 人造核素及其注射方法
    • WO2004064673A2
    • 2004-08-05
    • PCT/US2004/001321
    • 2004-01-16
    • PSINERGI CORPORATIONDULAK, Gary, R.BHALANI, AnilMOLLOY, Paul, A.
    • DULAK, Gary, R.BHALANI, AnilMOLLOY, Paul, A.
    • A61F
    • A61F2/4611A61B17/00234A61F2/441A61F2/4601A61F2002/30088A61F2002/30583A61F2002/444A61F2002/4635A61F2210/008A61F2210/0085A61L27/26
    • The present invention relates to an artificial nucleus pulposus implant that is injected minimally invasively into the nucleus cavity of the annulus fibrosus to restore the normal anatomical and physiological function of the spine in the affected disc segment. In one aspect of the invention, a device is disclosed for delivering a phase changing biomaterial to a tissue site, the device comprising a dispenser including (i) a plunger having a proximal portion and a distal portion, an inlet end and an outlet end, (ii) a dispensing actuator attached to the proximal portion of the plunger, and (iii) a cartridge adapted to be inserted into the inlet end of the plunger for containing the phase changing biomaterial in a fluid state. The dispenser may be mechanically, pneumatically or hydraulically actuated. The dispenser may further comprise a nozzle attached to the cartridge for dispensing the biomaterial to the tissue site. In another aspect, the device may further comprise a tissue cavity access unit providing a conduit having an inlet end in fluid communication with the nozzle, and an outlet end adapted to deliver the biomaterial to the tissue site. The biomaterial may transition from the fluid state to a solid state after a set amount of time, a temperature change or an exposure to an external stimuli such as radiation, UV light or an electrical stimuli. The cartridge may be a dual-chambered cartridge for storing different fluid biomaterials in the two chambers. In another aspect of the invention, a process for producing the artificial nucleus pulposus implant in the nucleus cavity of the annulus fibrosus is disclosed, the process comprising the steps of (a) obtaining access to the nucleus cavity; (b) injecting the artificial nucleus pulposus into the nucleus cavity; and (c) permitting the biomaterial to transition from a fluid state to a solid state in-situ after a given condition.
    • 本发明涉及一种人造髓核植入物,其被最小程度地侵入到纤维环的核腔中,以恢复受影响椎间盘段脊柱的正常解剖和生理功能。 在本发明的一个方面,公开了一种用于将相变生物材料输送到组织部位的装置,该装置包括分配器,该分配器包括(i)具有近端部分和远端部分的柱塞,入口端和出口端, (ii)附接到柱塞的近端部分的分配致动器,以及(iii)适于插入到柱塞的入口端的筒,用于容纳处于流体状态的相变生物材料。 分配器可以是机械的,气动的或液压致动的。 分配器还可以包括连接到盒的喷嘴,用于将生物材料分配到组织部位。 在另一方面,所述装置还可以包括组织腔进入单元,其提供具有与所述喷嘴流体连通的入口端的导管,以及适于将生物材料输送到组织部位的出口端。 生物材料可以在经过一定时间,温度变化或暴露于诸如辐射,紫外光或电刺激的外部刺激之后从流体状态转变为固态。 盒可以是用于在两个腔室中存储不同流体生物材料的双腔筒。 在本发明的另一方面,公开了一种在纤维环的细胞腔内制备人造髓核植入物的方法,该方法包括以下步骤:(a)获得进入核腔的步骤; (b)将人造髓核注入核腔; 和(c)允许生物材料在给定条件之后从原位流体状态转变为固态。
    • 6. 发明申请
    • URETERAL ACCESS SHEATH
    • 不便之路
    • WO2004006989A2
    • 2004-01-22
    • PCT/US2003/022161
    • 2003-07-15
    • APPLIED MEDICAL RESOURCES CORPORATIONDULAK, Gary, R.CLAYMAN, Ralph, V.
    • DULAK, Gary, R.CLAYMAN, Ralph, V.
    • A61M
    • A61M25/0662A61M25/0009A61M25/0017
    • A ureteral access sheath adapted for insertion into a urethra includes an elongate tube extending between a proximal end and a distal end. A handle assembly is disposed at the proximal end and includes enlarged portions which inhibit migration of the sheath into the urethra. The enlarged portions are shaped like the bell of a horn with a concave, distally-facing outer surface and a convex, proximally-facing inner surface. The inner surface functions as a funnel while the outer surface is sized and configured to receive adjacent fingers of a user's hand held in its natural position. In an associated method, this shape of the handle assembly facilitates maintaining the sheath in a stationary position during insertion and removal of instrumentation. The handle assembly can be movable on the tube to facilitate variation of the sheath link in situ .
    • 适于插入尿道的输尿管通路护套包括在近端和远端之间延伸的细长管。 手柄组件设置在近端处,并且包括抑制鞘进入尿道的迁移的扩大部分。 扩大部分的形状像喇叭的钟形,具有凹面的朝向外侧的外表面和朝向内侧的凸面的内表面。 内表面用作漏斗,而外表面的尺寸和构造适于接纳保持在其自然位置的用户手的相邻手指。 在相关联的方法中,手柄组件的这种形状便于在插入和移除仪器时将护套保持在静止位置。 手柄组件可以在管上移动以便于原位将护套连接件变化。