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    • 53. 发明申请
    • ZONAL DRUG DELIVERY DEVICE AND METHOD
    • 区域药物递送装置和方法
    • US20110105990A1
    • 2011-05-05
    • US12939033
    • 2010-11-03
    • Thomas A. Silvestrini
    • Thomas A. Silvestrini
    • A61F9/007
    • A61F9/00781
    • Disclosed herein are ocular implants for treating an eye and methods of implantation including an elongate member having a proximal end with at least one inflow port, a distal end with at least one outflow port, and a longitudinal, internal lumen extending through the elongate member. The distal end of the elongate member is in fluid communication with the suprachoroidal space such that the proximal end of the elongate member remains in fluid communication with the anterior chamber when the elongate member is implanted in the eye. At least one polymeric film surrounds at least a portion of the elongate member, the film comprising a first drug delivery zone embedded with a first drug, wherein the first drug diffuses from the polymeric film over time into the eye at a first anatomical location.
    • 本文公开了用于治疗眼睛的眼部植入物和植入方法,包括具有近端的细长构件,所述近端具有至少一个流入端口,具有至少一个流出端口的远端和延伸穿过细长构件的纵向内腔。 细长构件的远端与脉管外空间流体连通,使得细长构件的近端在细长构件植入眼睛时保持与前房流体连通。 至少一个聚合物膜包围细长构件的至少一部分,所述膜包括嵌入第一药物的第一药物递送区,其中第一药物在第一解剖位置随时间从聚合物膜扩散入眼睛。
    • 54. 发明申请
    • OCULAR IMPLANT WITH STIFFNESS QUALITIES, METHODS OF IMPLANTATION AND SYSTEM
    • 具有坚固质量的OCULAR植入物,植入和系统的方法
    • US20110087148A1
    • 2011-04-14
    • US12970567
    • 2010-12-16
    • Thomas A. SilvestriniEugene de Juan, JR.
    • Thomas A. SilvestriniEugene de Juan, JR.
    • A61F9/00
    • A61F9/00781A61F2210/0019
    • Described herein are devices and methods for treating eye conditions. Described is an ocular implant including an elongate member having an internal lumen forming a flow pathway, at least one inflow port communicating with the flow pathway, and at least one outflow port communicating with the flow pathway. The elongate member is adapted to be positioned in the eye such that at least one inflow port communicates with the anterior chamber, at least one outflow port communicates with the suprachoroidal space to provide a fluid pathway between the anterior chamber and the suprachoroidal space when the elongate member is implanted in the eye. The elongate member has a wall material imparting a stiffness to the elongate member. The stiffness is selected such that after implantation the elongate member deforms eye tissue surrounding the suprachoroidal space forming a tented volume.
    • 本文描述了用于治疗眼睛状况的装置和方法。 描述了一种眼部植入物,其包括具有形成流动路径的内部内腔的细长构件,与流动通道连通的至少一个流入口以及与流动通路连通的至少一个流出口。 细长构件适于定位在眼睛中,使得至少一个流入端口与前房连通,至少一个流出端口与脉管外空间连通,以在前房和脉管外空间之间提供流体通路,当细长 成员植入眼睛。 细长构件具有赋予细长构件刚性的壁材料。 选择刚度使得在植入之后,细长构件使围绕脉管外空间的眼组织变形,形成帐篷体积。
    • 58. 发明授权
    • Method and apparatus for measuring corneal incisions
    • 用于测量角膜切口的方法和装置
    • US6125294A
    • 2000-09-26
    • US907112
    • 1997-08-06
    • John Anthony SchollThomas A. SilvestriniIsidro Matias GandioncoWilliam P. KuhnPhillip C. Baker
    • John Anthony SchollThomas A. SilvestriniIsidro Matias GandioncoWilliam P. KuhnPhillip C. Baker
    • A61B3/10A61B8/10A61B19/00A61F9/007A61F9/013A61B5/00
    • A61F9/0133A61B8/10A61B90/06A61B2090/062A61F9/013
    • A method and apparatus for performing a surgical procedure on a patient is described. An incision is made into tissue of the patient to create a tissue pocket. The tissue has an anterior surface. Preferably, the tissue is corneal tissue of an eye. A reflective element is inserted into the pocket. An energy source generates a radiant energy signal, which is directed toward the reflective element. Reflected energy is received from the reflective element. A detector determines the depth of the reflective element below the anterior surface based upon the energy reflected by the reflective element. The speed of transmission of the radiant energy in the reflective element is different (preferably slower) than the speed of transmission of the radiant energy in the tissue. The reflective element may be in the form of a tool on which is disposed a biocompatible polymer layer, the layer comprising trapped air spaces, or a tool having an open space for containing trapped air. The radiant energy may take the form of ultrasound generated by an ultrasonic probe, or light generated by a confocal microscope. The confocal microscope may employ longitudinal chromatic aberration to measure the depth of the reflective element. When employing a confocal microscope, the depth of the reflective element is a function of the reflected energy from the anterior surface and the reflected energy from the reflective element.
    • 描述了一种用于对患者进行外科手术的方法和装置。 将切口制成患者的组织以产生组织袋。 组织具有前表面。 优选地,组织是眼睛的角膜组织。 将反射元件插入口袋中。 能量源产生朝向反射元件的辐射能信号。 从反射元件接收反射能量。 检测器基于由反射元件反射的能量确定反射元件在前表面下方的深度。 反射元件中的辐射能的传输速度与组织中的辐射能的传递速度不同(优选地较慢)。 反射元件可以是工具的形式,其上设置有生物相容性聚合物层,该层包括被捕获的空气空间,或具有用于容纳被捕获的空气的开放空间的工具。 辐射能可以采用由超声波探头产生的超声或由共聚焦显微镜产生的光的形式。 共焦显微镜可以采用纵向色差来测量反射元件的深度。 当使用共焦显微镜时,反射元件的深度是来自前表面的反射能量和来自反射元件的反射能量的函数。
    • 59. 发明授权
    • Triaxially-braided fabric prosthesis
    • 三轴编织布假体
    • US4834755A
    • 1989-05-30
    • US707724
    • 1985-03-04
    • Thomas A. SilvestriniJoseph E. Laptewicz, Jr.
    • Thomas A. SilvestriniJoseph E. Laptewicz, Jr.
    • A61F2/06A61F2/08A61F2/24
    • A61F2/2412A61F2/06A61F2/08
    • A novel prosthesis for use in repairing or replacing soft tissue is disclosed, which comprises a triaxially-braided fabric element having interwoven first, second and third sets of fibers, with the fibers of the second and third sets being oriented at substantially the same acute braiding angle with respect to the fibers of the first set. An elongated ligament prosthesis exhibiting the desired properties of high strength and high elasticity may be prepared by selecting high elasticity fibers for the first set, orienting said first set of fibers in the longitudinal direction of the prosthesis and selecting fibers having high yield strength and high Young's modulus for the second and third sets. A tubular prosthesis in which high elasticity fibers are oriented in the longitudinal direction is highly suitable for use as a vascular prosthesis. A prosthesis of the invention may also be manufactured in the form of a prosthetic heart valve leaflet.
    • 公开了一种用于修复或更换软组织的新型假体,其包括具有交织的第一,第二和第三组纤维的三轴编织织物元件,第二和第三组的纤维被定向成基本上相同的尖锐编织 相对于第一组的纤维的角度。 可以通过选择第一组的高弹性纤维,在假体的纵向方向上定向所述第一组纤维并选择具有高屈服强度的纤维和高杨氏硬度的纤维来制备具有高强度和高弹性所需性质的细长韧带假体 第二和第三组的模数。 其中高弹性纤维沿纵向定向的管状假体非常适合用作血管​​假体。 本发明的假体也可以以假体心脏瓣膜小叶的形式制造。