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    • 8. 发明授权
    • Apparatus and method for delivering viscoelastic material to an eye
    • 将粘弹性材料输送到眼睛的装置和方法
    • US5984889A
    • 1999-11-16
    • US832460
    • 1997-04-02
    • F. Richard ChristEdward R. Zaleski
    • F. Richard ChristEdward R. Zaleski
    • A61F9/00A61F9/007A61B17/20
    • A61F9/00745A61F9/0008
    • A phacoemulsification handpiece for ophthalmic surgical procedures includes a needle having a tip and connected to a source of ultrasonic energy, for cutting and/or fragmenting eye tissue along with a conduit for introducing irrigation fluid proximate the needle tip. The handpiece also includes separate structure for introducing a viscous fluid, such as a viscoelastic material, proximate the needle tip as well as bore through the needle and handpiece for aspirating irrigation fluid, viscoelastic material end cut and/or fragmented eye tissue. An accumulator, connected to the housing is provided for containing a supply of viscous fluid. A diaphragm assembly and a manual valve are provided for delivering viscous material to the needle tip.
    • 用于眼科外科手术的晶状体乳化手术包括具有尖端并连接到超声能量源的针,用于将眼组织连同用于在针尖附近引入冲洗流体的导管切割和/或碎裂。 手持件还包括用于在针尖附近引入诸如粘弹性材料的粘性流体以及穿过针头和手持件以吸入冲洗流体,粘弹性材料端部切割和/或碎裂眼组织的单独结构。 连接到壳体的蓄能器被提供用于容纳粘性流体供应。 提供隔膜组件和手动阀,用于将粘性材料输送到针尖。
    • 9. 发明授权
    • On-site syringe filling apparatus for viscoelastic materials, and
corresponding method for on-site syringe filling
    • 用于粘弹性材料的现场注射器灌装装置及相应的现场注射器灌装方法
    • US5647409A
    • 1997-07-15
    • US416101
    • 1995-04-04
    • F. Richard ChristErick F. FischerKenneth E. Kadziauskas
    • F. Richard ChristErick F. FischerKenneth E. Kadziauskas
    • B65B3/00B65B1/04
    • B65B3/003
    • An automated, syringe filling apparatus is disclosed for the on-site filling of syringes with a viscoelastic fluid material from a supply reservoir. A housing has a port for receiving the outlet end region of the viscoelastic supply reservoir and a retainer is provided for releasably retaining a conventional syringe to be filled from the viscoelastic supply reservoir. A flexible plastic tube, preferably formed as part of the viscoelastic supply reservoir, is used to interconnect the supply reservoir with a filling end of a syringe retained in the syringe retainer. A peristaltic pump mounted in the housing has a rotating head with a plurality of rollers which force the viscoelastic material through the tube from the supply reservoir into a retained syringe when the tube is locked between the pump head and a back-up member. Electric pump controls include a timer calibrated for causing the automatic filling of the syringe with predetermined amounts of viscoelastic material from the supply reservoir. The controls include a sensor that automatically shuts off the pump when a syringe being filled is filled to a preestablished maximum level. An air pump is provided for pressurizing the viscoelastic supply reservoir to aid in the viscoelastic pumping operation and insure against air voids being formed in a syringe being filled. A corresponding method is disclosed for the on-site filling of a syringe with a viscoelastic fluid form a supply reservoir.
    • 公开了一种自动注射器填充装置,用于从供应储存器用粘弹性流体材料现场填充注射器。 壳体具有用于接收粘弹性供应储存器的出口端区域的端口,并且设置有用于可释放地保持要从粘弹性供应储存器填充的常规注射器的保持器。 优选地形成为粘弹性供应储存器的一部分的柔性塑料管用于将供应储存器与保持在注射器保持器中的注射器的填充端相互连接。 安装在壳体中的蠕动泵具有带有多个辊的旋转头,当管被锁定在泵头和支撑构件之间时,多个辊将粘弹性材料通过管从供给储器插入保持的注射器。 电动泵控制器包括定时器,该定时器被校准为使来自供应储存器的预定量的粘弹性材料自动填充注射器。 控制器包括一个传感器,当填充的注射器填充到预先建立的最大水平时,该传感器会自动关闭泵。 提供一个空气泵用于对粘弹性供应容器进行加压以帮助进行粘弹性泵送操作,并确保在填充的注射器中形成的空气空隙。 公开了一种相应的方法用于现场填充具有形成供应储器的粘弹性流体的注射器。
    • 10. 发明授权
    • Method for delivering viscoelastic material to an eye
    • 将粘弹性材料输送到眼睛的方法
    • US06254587B1
    • 2001-07-03
    • US09395546
    • 1999-09-11
    • F. Richard ChristEdward R. Zaleski
    • F. Richard ChristEdward R. Zaleski
    • A61M3100
    • A61F9/00745A61F9/0008
    • A phacoemulsification handpiece for ophthalmic surgical procedures includes a needle having a tip and connected to a source of ultrasonic energy, for cutting and/or fragmenting eye tissue along with a conduit for introducing irrigation fluid proximate the needle tip. The handpiece also includes separate structure for introducing a viscous fluid, such as a viscoelastic material, proximate the needle tip as well as bore through the needle and handpiece for aspirating irrigation fluid, viscoelastic material end cut and/or fragmented eye tissue. An accumulator, connected to the housing is provided for containing a supply of viscous fluid. A diaphragm assembly and a manual valve are provided for delivering viscous material to the needle tip.
    • 用于眼科外科手术的晶状体乳化手术包括具有尖端并连接到超声能量源的针,用于将眼组织连同用于在针尖附近引入冲洗流体的导管切割和/或碎裂。 手持件还包括用于在针尖附近引入诸如粘弹性材料的粘性流体以及穿过针头和手持件以吸入冲洗流体,粘弹性材料端部切割和/或碎裂眼组织的单独结构。 连接到壳体的蓄能器被提供用于容纳粘性流体供应。 提供隔膜组件和手动阀,用于将粘性材料输送到针尖。