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    • 4. 发明申请
    • Method and device for minimally invasive site specific ocular drug delivery
    • 用于微创部位特异性眼药物递送的方法和装置
    • US20080027371A1
    • 2008-01-31
    • US11881729
    • 2007-07-26
    • John W. HiguchiAnthony L. Tuitupou
    • John W. HiguchiAnthony L. Tuitupou
    • A61N1/30A61F2/00A61K31/44A61K31/56
    • A61F9/0017A61K31/44A61K31/56A61N1/30
    • The present invention includes techniques for delivering an active agent into the eye of a subject. Accordingly, in one aspect a method may include delivering invasively an active agent into a peripheral tissue of the eye to form a drug reservoir, and applying an electric current to the drug reservoir to thus drive at least a portion of the active agent at least partially through the choroid. Numerous configurations are contemplated for the positioning of the electric current relative to the drug reservoir. For example, in one aspect the electric current may be applied to the drug reservoir from a non-invasively positioned electrode. In another aspect, the electric current may be applied to the drug reservoir from an invasively positioned electrode. A variety of invasive positions are contemplated, including, for example, positioning the invasive electrode within the peripheral tissue. In yet another aspect, delivering the active agent may further include implanting an invasive electrode having an associated drug reservoir containing the active agent into the peripheral tissue.
    • 本发明包括将活性剂递送到受试者的眼睛中的技术。 因此,一方面,一种方法可以包括将活性剂侵入性输送到眼睛的外周组织中以形成药物储存器,以及向药物储存器施加电流,从而至少部分地驱动至少一部分活性剂 通过脉络膜。 考虑到相对于药物储存器定位电流的许多构造。 例如,在一个方面,电流可以从非侵入性定位的电极施加到药物储存器。 另一方面,电流可以从入侵定位的电极施加到药物储存器。 考虑了各种侵入位置,包括例如将侵入性电极定位在外周组织内。 在另一方面,递送活性剂还可以包括将含有活性剂的相关药物储存器的侵入性电极植入外周组织中。
    • 6. 发明申请
    • Intrascleral Drug Delivery Device and Associated Methods
    • Intrascleral药物输送装置及相关方法
    • US20140031766A9
    • 2014-01-30
    • US13113672
    • 2011-05-23
    • John W. Higuchi
    • John W. Higuchi
    • A61F9/00
    • A61F9/0026A61F9/0017A61F2250/0068
    • The present invention provides methods and devices for delivering an active agent into the eye of a subject. In one aspect, for example, the present invention provides an ocular drug delivery device including a housing configured to couple to the eye of the subject and a corneal seal coupled to the housing and positioned in the housing to encircle the cornea during use to form a corneal region, where the housing extends outward from the corneal seal to form a scleral region, and where the scleral region being positioned over the eye's sclera during use. The device further includes an active agent reservoir coupled to the housing and positioned to release active agent into the scleral region and a pressure regulator coupled to the housing that is operable to introduce negative pressure between the housing and the eye. Thus the corneal seal is operable to fluidically isolate the corneal region from the scleral region in response to the negative pressure.
    • 本发明提供了将活性剂递送到受试者的眼睛中的方法和装置。 在一个方面,例如,本发明提供了一种眼药物递送装置,其包括构造成耦合到对象的眼睛的壳体和耦合到壳体的角膜密封件,并且定位在壳体中以在使用期间包围角膜以形成 角膜区域,其中壳体从角膜密封件向外延伸以形成巩膜区域,并且其中巩膜区域在使用期间位于眼睛的巩膜上方。 该装置还包括联接到壳体并被定位成将活性剂释放到巩膜区域中的活性剂储存器和耦合到壳体的压力调节器,其可操作以在壳体和眼睛之间引入负压。 因此,角膜密封件可操作以响应于负压将角膜区域与巩膜区域隔离。
    • 7. 发明申请
    • Intracorneal Drug Delivery Device and Associated Methods
    • 角膜内给药装置及相关方法
    • US20130345615A1
    • 2013-12-26
    • US13529873
    • 2012-06-21
    • John W. Higuchi
    • John W. Higuchi
    • A61F9/00A61N1/30A61M35/00
    • A61F9/0017A61N1/0428A61N1/303G02C7/04
    • Methods and devices for delivering an active agent into the eye of a subject are provided. In one aspect, an ocular device for delivering an active agent through a cornea of an eye of a subject can include a housing configured to couple to the eye of the subject and a corneal seal coupled to the housing and positioned in the housing to encircle the cornea during use to form a corneal region. The device can also include an active agent reservoir coupled to the housing and positioned to release active agent into the corneal region, and a pressure regulator coupled to the housing and operable to introduce negative pressure between the housing and the eye. The corneal seal is operable to fluidically isolate the corneal region from the sclera in response to the negative pressure, thus minimizing contact of the active agent with the sclera.
    • 提供了将活性剂递送到受试者的眼睛中的方法和装置。 在一个方面,用于通过受试者眼睛的角膜递送活性剂的眼部装置可以包括被配置为耦合到对象的眼睛的壳体和耦合到壳体并且定位在壳体中的角膜密封件,以包围 使用角膜形成角膜区域。 该装置还可以包括联接到壳体并被定位成将活性剂释放到角膜区域中的活性剂储存器,以及耦合到壳体并可操作以在壳体和眼睛之间引入负压的压力调节器。 角膜密封件可操作以响应于负压将角膜区域与巩膜流体隔离,从而最小化活性剂与巩膜的接触。
    • 8. 发明申请
    • Intrascleral Drug Delivery Device and Associated Methods
    • Intrascleral药物输送装置及相关方法
    • US20120302972A1
    • 2012-11-29
    • US13113672
    • 2011-05-23
    • John W. Higuchi
    • John W. Higuchi
    • A61F9/00
    • A61F9/0026A61F9/0017A61F2250/0068
    • The present invention provides methods and devices for delivering an active agent into the eye of a subject. In one aspect, for example, the present invention provides an ocular drug delivery device including a housing configured to couple to the eye of the subject and a corneal seal coupled to the housing and positioned in the housing to encircle the cornea during use to form a corneal region, where the housing extends outward from the corneal seal to form a scleral region, and where the scleral region being positioned over the eye's sclera during use. The device further includes an active agent reservoir coupled to the housing and positioned to release active agent into the scleral region and a pressure regulator coupled to the housing that is operable to introduce negative pressure between the housing and the eye. Thus the corneal seal is operable to fluidically isolate the corneal region from the scleral region in response to the negative pressure.
    • 本发明提供了将活性剂递送到受试者的眼睛中的方法和装置。 在一个方面,例如,本发明提供了一种眼药物递送装置,其包括构造成耦合到对象的眼睛的壳体和耦合到壳体的角膜密封件,并且定位在壳体中以在使用期间包围角膜以形成 角膜区域,其中壳体从角膜密封件向外延伸以形成巩膜区域,并且其中巩膜区域在使用期间位于眼睛的巩膜上方。 该装置还包括联接到壳体并被定位成将活性剂释放到巩膜区域中的活性剂储存器和耦合到壳体的压力调节器,其可操作以在壳体和眼睛之间引入负压。 因此,角膜密封件可操作以响应于负压将角膜区域与巩膜区域隔离。