WO2010054035A1 - Glaucoma drainage shunts and methods of use - Google Patents
Glaucoma drainage shunts and methods of use Download PDFInfo
- Publication number
- WO2010054035A1 WO2010054035A1 PCT/US2009/063332 US2009063332W WO2010054035A1 WO 2010054035 A1 WO2010054035 A1 WO 2010054035A1 US 2009063332 W US2009063332 W US 2009063332W WO 2010054035 A1 WO2010054035 A1 WO 2010054035A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plate
- drainage tube
- incision
- glaucoma
- tube
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00781—Apparatus for modifying intraocular pressure, e.g. for glaucoma treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F2009/00885—Methods or devices for eye surgery using laser for treating a particular disease
- A61F2009/00891—Glaucoma
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0612—Eyes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S623/00—Prosthesis, i.e. artificial body members, parts thereof, or aids and accessories therefor
- Y10S623/902—Method of implanting
- Y10S623/905—Eye
Definitions
- a glaucoma drainage device is described along with methods of implantation that allow for controlled outflow of aqueous fluid to assist in reducing heightened intraocular pressure associated with glaucoma.
- the drainage device includes a plate and a drainage tube having an open cross-section and connected to the plate such that an outflow end of the drainage tube connects to a part of the plate and an inflow end of the drainage tube extends away from the plate.
- Figure 2A is a detailed sectional view through the corneal/scleral tissue showing a flattened profile of the drainage tube just after insertion through the incision;
- Figure 2B is a sectional view through the corneal/scleral tissue showing the patent profile of the drainage tube several weeks after implant;
- Figure 3A is a first perspective view of an exemplary glaucoma shunt of the present invention from the plate side;
- Figure 4 is a plan view of the exemplary glaucoma shunt of the present invention.
- FIG. 1 illustrates a glaucoma shunt 10 constructed in accordance with the present invention positioned within the tissue of an eye 12.
- the relevant structure of the eye 12 will be described briefly below to provide background for the anatomical terms incorporated herein, however, it should be realized that several anatomical details have been omitted for clarity of understanding.
- the tough outer membrane known as the sclera 14 covers all of the eye 12 except that portion covered by the cornea 16, the thin, transparent membrane which enables light to enter the pupil 18 and the iris aperture in front of the lens 20.
- the cornea 16 merges into the sclera 14 at a juncture referred to as the sulcus of the sclera or as the limbus 22.
- the ciliary body 26 begins at the limbus 22 and extends along the interior of the sclera 14.
- silicone elastomer is filled with a radiopaque material, such as Barium Sulfate, so that the implant is visible in X-rays procedures.
- the inner surface 44 of the plate 40 curves to conform to the curvature of the eye 12, specifically the curvature of the sclera 14, and the ridge 54 follows that curvature.
- a plurality of cross beams 56 ( Figures 3B and 5) for structural strength may also be provided traversing the plate 40 and connecting to the ridge 54 around the periphery, and to each other.
- the cross beams 56 may have the same thickness as the ridge 54 or be somewhat thinner,
- the drainage tube 46 connects to the plate 40 with adhesive, such as Clear Silicone Rubber Adhesive RTV-118 manufactured by General Electric Silicone Products of Waterford, N. Y., via a small hole formed in the ridge 54.
- adhesive such as Clear Silicone Rubber Adhesive RTV-118 manufactured by General Electric Silicone Products of Waterford, N. Y.
- Figures 6 and 7 are plan views of alternative glaucoma shunts of the present invention. These views illustrate possible configurations of the cross beams 56 as well as fenstrations 64. It should be noted here that the shunts, and in particular the cross beams 56, may be structurally strengthened by first impregnating them with barium during fabrication, and then irradiating them with gamma rays. This process will increase polymer cross-linkages in the material and thus increase strength.
- the present invention can be implanted using known ophthalmological surgical techniques and, with reference to Figure 1, the surgical implant procedure will be briefly described. An initial incision is made in the Tenon's capsule 70 parallel to the limbus 22.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09748673.2A EP2349147B1 (en) | 2008-11-05 | 2009-11-05 | Glaucoma drainage shunts |
CA2742746A CA2742746C (en) | 2008-11-05 | 2009-11-05 | Glaucoma drainage shunts |
AU2009313582A AU2009313582B2 (en) | 2008-11-05 | 2009-11-05 | Glaucoma drainage shunts and methods of use |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/265,145 | 2008-11-05 | ||
US12/265,145 US8353856B2 (en) | 2008-11-05 | 2008-11-05 | Glaucoma drainage shunts and methods of use |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010054035A1 true WO2010054035A1 (en) | 2010-05-14 |
Family
ID=41571313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/063332 WO2010054035A1 (en) | 2008-11-05 | 2009-11-05 | Glaucoma drainage shunts and methods of use |
Country Status (5)
Country | Link |
---|---|
US (4) | US8353856B2 (en) |
EP (1) | EP2349147B1 (en) |
AU (1) | AU2009313582B2 (en) |
CA (1) | CA2742746C (en) |
WO (1) | WO2010054035A1 (en) |
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- 2009-11-05 CA CA2742746A patent/CA2742746C/en not_active Expired - Fee Related
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US20130102949A1 (en) | 2013-04-25 |
US20150100010A1 (en) | 2015-04-09 |
AU2009313582B2 (en) | 2014-11-20 |
US8920357B2 (en) | 2014-12-30 |
EP2349147B1 (en) | 2015-03-18 |
US8353856B2 (en) | 2013-01-15 |
US20170020731A1 (en) | 2017-01-26 |
CA2742746A1 (en) | 2010-05-14 |
AU2009313582A1 (en) | 2010-05-14 |
US20100114006A1 (en) | 2010-05-06 |
CA2742746C (en) | 2017-01-24 |
US9468558B2 (en) | 2016-10-18 |
EP2349147A1 (en) | 2011-08-03 |
US10492948B2 (en) | 2019-12-03 |
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