An implantable glaucoma drainage device (GDD) system is disclosed. The GDD system comprises a microflow control system for controlling intraocular pressure, a protective capillary carrier tube housing the microflow control system, and anchoring arms holding the implanted device in place. The overall GDD size can be in a needle-implantable form factor for minimally invasive implantation. …

Legal parties

Inventors (applicants): Po-jui Chen, Yu-Chong Tai, Damien Craig Rodger, Jeffrey Chun-Hui Lin
Assignees (initial): California Institute of Technology (Pasadena, US)
Agents: Tope-McKay & Associates (attorney)

The application was examined by Philip R Wiest (USPTO dept. 3761)


  • 1. A device for relieving intraocular pressure, comprising: …
  • 2. The device of Claim 1, wherein the microflow control system comprises two valves connected …
  • 3. The device of claim 2 , wherein at least one of the ends of the protective …

Cited documents


  • Burns et al. US 2008/0228127 A1 / 604/9, Sep. 1, 2008
  • Juan et al. US 2010/0010416 A1 / 604/9, Jan. 1, 2010
  • Ritch et al. US 5092837 A / 604/8, Mar. 1, 1992
  • Bergheim et al. US 6780164 B2 / 604/8, Aug. 1, 2004
  • Pelrine et al. US 7394182 B2 / 310/328, Jul. 1, 2008


Brief Description of the Drawings

The objects, features and advantages of the present invention will be apparent from the following detailed descriptions of the various aspects of the invention in conjunction with reference to the following …


Field of Invention

The present invention relates to a glaucoma drainage device and, in particular, to a bio-compatible glaucoma drainage system packaged into a needle-implantable capillary …

Priority Claim

The present application is a non-provisional patent application, claiming the benefit of priority of U.S. Provisional Application No. 61/133,699, filed on Jul. 1, 2008, entitled, “IMPLANTABLE GLAUCOMA DRAINAGE DEVICE …

Detailed Description

The present invention relates to a glaucoma drainage device and, in particular, to a bio-compatible glaucoma drainage system packaged into a needle-implantable capillary tube. The following description is presented to enable …

More details about Implantable Glaucoma Drainage Device

Miscellaneous patent data

The grant number is 08628492 (publication number), similar categories include Having means to prevent fluid return to reservoir, Suction or pumping devices for medical purposes, Devices for carrying-off, for treatment of, or for carrying-over, body-liquids, Drainage systems, Septum pierced by conduit, Balloon catheters, having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced, Material expelled from reservoir having separate external feed means and discharge outlet, Bag attached to seal ring, Remote control of the orientation of the distal end, Wound or abscess, Connecting catheters or probes to hubs, invented by Po-jui Chen et al., the examination was conducted by Philip R Wiest, the main examiner (3761 USPTO department), categorized under With flow control means as a primary classification, the invention is named Implantable Glaucoma Drainage Device, the published inventor's name is Po-jui Chen, the inventor's address - Mountain View, CA, illustrated by 9 drawings, the published applicant's name is Damien Craig Rodger, the applicant's address - South Pasadena, CA, the assignee organization is California Institute of Technology, located in Pasadena (US), the patent particularly claims a device for relieving intraocular pressure, comprising…, the invention details are shown in 20 figures, 4 claims comprise the protection scope, the exemplary claims include number 1, the exemplary patent drawings are Illustration showing a glaucoma drainage, Illustration showing a diametrical cross, Implantable Glaucoma Drainage Device, Set of illustrations showing the components, the patent was extended by 316 days, the grant publication date is Jan. 14, 2014, the agent's company name is Tope-McKay & Associates, the application publication date is Jul. 1, 2009, the assignee is a United States company, numbered 12/459,587 (application).

Invention classification information

The invention is classified under With flow control means, Devices Transferring Fluids From Within One Area of Body to Another, Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way, Accessories therefor, e.g. filling or cleaning devices, arm rests. The designated search classifications include Corneal cutter or guide for corneal cutter, Therapeutic material to facilitate ocular treatment, Means for removing, inserting or aiding in the removal or insertion of eye lens material, Connector for hollow body organs.

Patent details
Publication number 08628492
Publication date Jan. 14, 2014
Kind code B2
Application number 12/459,587
Application date Jul. 1, 2009
Application type U
Application series code 12
Extension term 316
National classification 604/9
Total number of claims 4
Exemplary claims 1
Number of drawings 9
Number of figures 20
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