WO2003009784A1 - Ophthalmic drug delivery device - Google Patents
Ophthalmic drug delivery device Download PDFInfo
- Publication number
- WO2003009784A1 WO2003009784A1 PCT/US2002/023116 US0223116W WO03009784A1 WO 2003009784 A1 WO2003009784 A1 WO 2003009784A1 US 0223116 W US0223116 W US 0223116W WO 03009784 A1 WO03009784 A1 WO 03009784A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pharmaceutically active
- active agent
- fluid
- delivery device
- sclera
- 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
- A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
- A61F9/0017—Introducing ophthalmic products into the ocular cavity or retaining products therein implantable in, or in contact with, the eye, e.g. ocular inserts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/16—Antivirals for RNA viruses for influenza or rhinoviruses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/20—Surgical instruments, devices or methods, e.g. tourniquets for vaccinating or cleaning the skin previous to the vaccination
- A61B17/205—Vaccinating by means of needles or other puncturing devices
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0067—Means for introducing or releasing pharmaceutical products into the body
- A61F2250/0068—Means for introducing or releasing pharmaceutical products into the body the pharmaceutical product being in a reservoir
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0048—Eye, e.g. artificial tears
- A61K9/0051—Ocular inserts, ocular implants
-
- 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
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
Definitions
- the present invention generally pertains to biocompatible implants for delivery of
- the present invention pertains to biocompatible implants for delivery of pharmaceutically
- Age related macular degeneration (ARMD), choroidal neovascularization (CNV),
- retinopathies e.g., diabetic retinopathy, vitreoretinopathy
- retinitis e.g., cytomegalovims (CMV) retinitis
- uveitis macular edema, glaucoma, and neuropathies
- Age related macular degeneration is the leading cause of blindness in the
- CNV choroidal neovascularization
- the pharmaceutically active agent diffuses through the polymer body of
- the pharmaceutically active agent may include drugs
- the implant is placed substantially within the tear fluid upon the outer surface of the eye over an avascular region, and may be anchored in the conjunctiva or sclera; episclerally or intrasclerally
- avascular region substantially within the suprachoroidial space over an avascular region such as the pars plana or a surgically induced avascular region; or in direct communication with the vitreous.
- U.S. Patent No. 5,476,511 to Gwon et al. discloses a polymer implant for placement under the conjunctiva of the eye.
- the implant may be used to deliver
- neo vascular inhibitors for the treatment of ARMD and drugs for the treatment of retinopathies, and retinitis The pharmaceutically active agent diffuses through the
- implant for delivery of certain drugs including angiostatic steroids and drugs such as
- U.S. Patent No. 5,824,073 to Peyman discloses an indentor for positioning in the eye.
- the indentor has a raised portion that is used to indent or apply pressure to the sclera
- choroidal congestion and blood flow through the subretinal neovascular membrane which, in turn, decreases bleeding and subretinal fluid accumulation.
- U.S. Patent Nos. 5,725,493 and 5,830,173 both disclose non-bioerodable implants that have a drug containing reservoir located outside the globe of the eye and a drug delivery tube running from the reservoir and into the vitreous cavity at the pars plana.
- the surgical procedure for implanting such a device should be safe, simple, quick, and capable of
- such a device should be easy and economical to manufacture. Furthermore, because of its versatility and capability to
- Such a device should ideally be suitable for delivering two or more drugs in combination therapy.
- One aspect of the present invention is an ophthalmic drug delivery device having a
- the scleral surface has a curvature
- the injection port is for sealingly engaging a needle of a syringe, which is for providing a fluid comprising a pharmaceutically active
- the fluid conducting passageway is fluidly coupled to the injection port and has an opening for communicating the fluid to an outer surface of the sclera.
- FIG. 1 is a side sectional view schematically illustrating the human eye
- FIG. 2 is detailed cross-sectional view of the eye of FIG. 1 along line 2-2;
- FIG. 3 is a perspective view of an ophthalmic drug delivery device according to a
- FIG. 4A is an orbital view of the device of FIG. 3 showing a preferred
- FIG. 4B is a side view of the device of FIG. 4A;
- FIG. 5 is a perspective view of an ophthalmic drug delivery device according to a second preferred embodiment of the present invention
- FIG. 5 A is a side sectional view of the ophthalmic drug delivery device of FIG. 5 with the internal fluid conducting passageways of the device not shown for clarity of illustration;
- FIG. 5B is an enlarged cross-sectional view of the ophthalmic drug delivery device of FIG. 5A taken along line 5B-5B;
- FIG. 6 A is an orbital view of the device of FIGS. 5-5B showing a preferred embodiment of the internal fluid conducting passageways of the device;
- FIG. 6B is a side view of the device of FIG. 6 A with the well and inner core of the device not shown for clarity of illustration;
- FIG. 7A is an orbital view of the device of FIGS. 5-5B showing a second preferred embodiment of the internal fluid conducting passageways of the device;
- FIG. 7B is a side view of the device of FIG. 7 A with the well and inner core of the device not shown for clarity of illustration;
- FIG. 8 A is an orbital view of the device of FIGS. 5-5B showing a third preferred embodiment of the internal fluid conducting passageways of the device;
- FIG. 8B is a side view of the device of FIG. 8 A with the well and inner core of the device not shown for clarity of illustration;
- FIG. 9A is an orbital view of the device of FIGS. 5-5B showing a fourth preferred embodiment of the internal fluid conducting passageways of the device;
- FIG. 9B is a side view of the device of FIG. 9 A with the well and inner core of the
- FIG. 10A is an orbital view of the device of FIGS. 5-5B showing a fifth preferred
- FIG. 1 OB is a side view of the device of FIG. 10A with the well and inner core of the device not shown for clarity of illustration. Detailed Description of the Preferred Embodiments
- FIGS. 1-lOB of the drawings like numerals being used for like
- FIGS. 1-4B schematically illustrate an ophthalmic drug delivery device 10
- Device 10 may be used in any case where delivery of a pharmaceutically active agent to the eye is required.
- Device 10 may be used in any case where delivery of a pharmaceutically active agent to the eye is required.
- a preferred use for device 10 is the delivery of pharmaceutically active agents to the posterior segment of the eye.
- device 10 may also be utilized for the delivery of pharmaceutically active agents to body tissue other than the eye, if desired.
- Eye 52 has a cornea 54, a lens 56, a sclera 58, a choroid 60, a retina 62, and an optic nerve 64.
- An anterior segment 66 of eye 52 generally includes the portions of eye 52 anterior of a line 67.
- a posterior segment 68 of eye 52 generally includes the portions of eye 52 posterior
- Retina 62 is physically attached to choroid 60 in a circumferential manner proximate pars plana 70. Retina 62 has a macula 72 located slightly lateral to its optic
- macula 72 is comprised primarily of
- Tenon's membrane 74 is disposed on sclera 58.
- a conjunctiva 76 covers a short area
- Conjunctiva 76 is disposed on top of Tenon's capsule 74.
- device 10 is preferably disposed directly on the outer surface of sclera 58, below Tenon's
- capsule 74 for treatment of most posterior segment diseases or conditions.
- most posterior segment diseases or conditions for treatment of most posterior segment diseases or conditions.
- device 10 is preferably disposed directly on the outer
- FIGS. 3, 4A, and 4B schematically illustrate device 10 in greater detail.
- Device 10
- Scleral surface 82 is preferably designed with a radius of curvature that facilitates direct contact with sclera 58. Most preferably, scleral surface 82 is designed with a radius of curvature equal to the radius of curvature 91 of an average human eye 52. (See FIG. 1) Orbital surface 84 is preferably designed with a radius of curvature that facilitates implantation under Tenon's capsule 74.
- Body 80 preferably has a curved, generally rectangular three- dimensional geometry with rounded sides 86 and 88, proximal end 90, and distal end 92.
- Body 80 may have any other geometry that has a curved scleral surface 82 for contact with sclera 58.
- body 80 may have a generally cylindrical, oval,
- Body 80 preferably comprises a biocompatible, non-bioerodable material.
- 80 more preferably comprises a biocompatible, non-bioerodable polymeric composition.
- Said polymeric composition may be a homopolymer, a copolymer, straight, branched,
- polymers suitable for use in said polymeric composition include silicone, polyvinyl alcohol, ethylene vinyl acetate, polylactic acid,
- nylon polypropylene, polycarbonate, cellulose, cellulose acetate, polyglycolic acid, polylactic-glycolic acid, cellulose esters, polyethersulfone, acrylics, their derivatives, and combinations thereof.
- suitable soft acrylics are more fully disclosed in U.S.
- Patent No. 5,403,901 which is incorporated herein in its entirety by reference. Said
- polymeric composition most preferably comprises silicone.
- said polymeric composition most preferably comprises silicone.
- composition may also comprise other conventional materials that affect its physical
- composition may comprise other conventional materials that affect its chemical properties, including, but not limited to, toxicity and hydrophobicity.
- Device 10 has a plurality of fluid conducting passageways or cavities within body 80.
- FIGS. 4A and 4B show a preferred system of such passageways having a main
- passageway 200 having a proximal end 202, a distal opening 204, a first side opening 206, and a second side opening 208.
- Passageway 200 and openings 204, 206, and 208 preferably have a generally rectangular cross-section.
- Device 10 also has an injection port 210 located on orbital surface 84 of body 80 near proximal end 202 of main passageway 200.
- Injection port 210 is preferably made of a fluid impervious material that can be
- injection port 210 is preferably colored or marked
- passageway 200 may be any suitable passageway. Although not shown in the FIGS. 3-4A, passageway 200 may be any suitable passageway.
- a conventional syringe and needle may be used to impart a fluid 212 containing a
- Fluid 212 may comprise a solution, a suspension, an emulsion, an ointment, a gel forming
- fluid 212 is a suspension with or without
- Fluid 212 includes one or more
- ophthalmically acceptable pharmaceutically active agents may also include
- anti-infectives including, without limitation, antibiotics, antivirals, and antifungals; antiallergenic agents and mast cell stabilizers; steroidal and non-steroidal
- cyclooxygenase inhibitors including, without limitation, Cox I
- Cox II inhibitors combinations of anti-infective and anti-inflammatory agents; decongestants; anti-glaucoma agents, including, without limitation, adrenergics, ⁇ -
- adrenergic blocking agents ⁇ -adrenergic blocking agents, parasypathomimetic agents, cholinesterase inhibitors, carbonic anhydrase inhibitors, and prostaglandins; combinations of anti-glaucoma agents; antioxidants; nutritional supplements; drugs for the treatment of cystoid macular edema including, without limitation, non-steroidal anti-inflammatory
- drugs for the treatment of ARMD including, without limitation, angiogenesis inhibitors and nutritional supplements
- drugs for the treatment of herpetic infections and CMV ocular infections drugs for the treatment of proliferative vitreoretinopathy
- wound modulating agents including, without limitation, growth factors; antimetabolites; neuroprotective drugs,
- eliprodil including, without limitation, eliprodil; and angiostatic steroids for the treatment of
- diseases or conditions of posterior segment 68 including, without limitation, ARMD,
- angiostatic steroids include 4,9(1 l)-Pregnadien-17 ⁇ ;21-diol-3,20-dione and
- non-active excipients may include, but are not limited to, ingredients to enhance the stability, solubility, penetrability, or other properties of fluid 212.
- ingredients to enhance the stability may include, but are not limited to, ingredients to enhance the stability, solubility, penetrability, or other properties of fluid 212.
- hydrolytic hydrolytic
- enzymes such as proteases, esterases, hyaluronidases, and collegenases may be utilized to
- Body 80 is
- Device 10 may be made by conventional polymer processing methods, including,
- device 10 is formed using conventional injection molding techniques.
- Device 10 is preferably surgically placed directly on the outer surface of sclera 58 below Tenon's capsule 74 using a simple surgical technique that is capable of being performed in an outpatient setting.
- the surgeon first performs a peritomy in one of the quadrants of eye 52.
- the surgeon performs the peritomy in the supero- temporal or infra-temporal quadrant, about 3 mm posterior to limbus 77 of eye 52.
- surgeon uses forceps to hold device 10 with scleral surface 82 facing sclera 58 and distal
- surgeon may suture proximal end 90 of device 50 to sclera 58 to hold device 10 in the desired location before closure of the
- surgeon preferably utilizes the above-
- openings 206 and 208 positioned directly above macula 72. A surgeon may position side
- the pharmaceutically active agent of fluid 212 is preferably one of the
- surgeon preferably utilizes the above- described technique to position distal end 92 of device 10 in one of two preferred
- openings 206 and 208 of device 10 at this location by moving distal end 92 of device 10 below the inferior oblique muscle in a direction generally parallel to the lateral rectus
- a second preferred location is directly on the outer surface of sclera 58, below Tenon's capsule 74, with side openings 206 and 208 positioned directly above macula 72.
- a surgeon may position side openings 206 and 208 of device 10 at this location by
- injection port 210 may be visualized beneath the
- Fluid 212 is disposed throughout
- passageway 200 is in communication with sclera 58 via openings 204, 206, 208, and
- device 10 can be used to deliver a pharmaceutically effective
- device 10 may be used to deliver both a localized distribution of drug primarily beneath distal end 92 of device 10; or to deliver drug to substantially the entire retina, depending upon the' particular fluid 212 and its pharmaceutically active agents and incipients. After passageway 200 no longer contains
- device 10 may also include a sharp surface or edge on distal
- device 10 may move device 10 slightly from side to side and or posteriorly so that such sharp
- device 10 minimizes the risk of penetrating the globe of the eye, always results in fluid 212 being distributed below the Tenon's capsule 74 on the outer surface of sclera 58, and results in a reproduceable distribution of fluid 212 on a
- FIGS. 5, 5 A, 5B, 6 A, and 6B schematically illustrate an ophthalmic dmg delivery
- Device 50 according to a second preferred embodiment of the present invention.
- body 80 of device 50 includes a well or cavity 102 having an opening
- device 50 has a preferred system of fluid conducting passageways or cavities 300 within body 80, which
- FIGS. 6 A and 6B are best illustrated in FIGS. 6 A and 6B.
- Inner core 106 is preferably a tablet comprising one or more pharmaceutically active agents.
- inner core 106 may comprise a conventional hydrogel having one or more pharmaceutically active agents disposed therein.
- a retaining member 108 is preferably disposed proximate opening 104. Retaining member 108 prevents inner core 106 from falling out of well 102.
- retaining member 108 is preferably a continuous rim or lip disposed circumferentially around opening 104 having a diameter slightly less than the diameter of tablet 106.
- retaining member 108 is preferably a continuous rim or lip disposed circumferentially around opening 104 having a diameter slightly less than the diameter of tablet 106.
- retaining member 108 may comprise one or more members that extend from body 80 into opening 104.
- inner core 106 may alternatively comprise a suspension, solution, powder, or combination thereof containing one or more
- scleral surface 82 is formed without
- device 50 may be formed without well 102 or inner core 106, and the pharmaceutically active agent(s) in the form of a suspension, solution, powder, or
- the pharmaceutically active may be dispersed throughout body 80 of device 50, with the exception of system of passageways 300.
- the pharmaceutically active may be dispersed throughout body 80 of device 50, with the exception of system of passageways 300.
- the pharmaceutically active may be dispersed throughout body 80 of device 50, with the exception of system of passageways 300.
- the pharmaceutically active may be dispersed throughout body 80 of device 50, with the exception of system of passageways 300.
- the pharmaceutically active may be dispersed throughout body 80 of device 50, with the exception of system of passageways 300.
- the pharmaceutically active may be dispersed throughout body 80 of device 50, with the exception of system of passageways 300.
- the pharmaceutically active may be dispersed throughout body 80 of device 50, with the exception of system of passageways 300.
- agent diffuses through body 80 into the target tissue.
- Body 80 is preferably impermeable to the pharmaceutically active agent of inner
- body 80 is made from a generally elastic polymeric composition
- diameter of well 102 may be slightly less than the diameter of inner core 106. This
- body 80 may be
- the geometry and dimensions of device 50 maximize communication between the pharmaceutically active agent of inner core 106 and the tissue underlying scleral surface
- Scleral surface 82 preferably physically contacts the outer surface of sclera 58.
- inner core 106 may be formed so that surface 106a physically contacts the outer surface of sclera 58.
- device 50 may be disposed proximate the outer surface of sclera 58.
- device 50 may be disposed in the periocular tissues just above the outer surface of sclera 58 or intra- lamellarly within sclera 58.
- Inner core 106 may comprise one or more ophthalmically acceptable pharmaceutically active agents.
- Exemplary pharmaceutically active agents include the pharmaceutically active agents listed hereinabove for fluid 212.
- Inner core 106 may also
- inner core 106 is a tablet, it may further comprise conventional excipients
- Such tablets may be produced using
- the pharmaceutically active agent is preferably
- inner core 106 may comprise a special tablet that bioerodes at a controlled rate, releasing the pharmaceutically active agent. By way of example, such bioerosion may occur through
- inner core 106 is a hydrogel, the hydrogel may
- the hydrogel may be non-bioerodable but allow diffusion of the pharmaceutically active
- System of passageways 300 preferably comprises a proximal portion 302, a
- portion 302 preferably has a generally rectangular cross-section.
- Longitudinal portions 304 and 308 and openings 306 and 310 preferably have a generally square cross-section.
- Well 102 and inner core 106 are disposed between longitudinal portions 304 and 308.
- Injection port 210 is located on orbital surface 84 of body 80 near proximal portion 302.
- system of passageways 300 may also have one or more openings to scleral surface 82 of device 10.
- a conventional syringe and needle may be used to impart fluid 212 into system of passageways 300 via injection port 210.
- Device 50 may be made by conventional polymer processing methods, including, but not limited to, injection molding, extmsion molding, transfer molding, and
- device 50 is formed using conventional injection molding
- Device 50 is preferably surgically placed directly on the outer surface of sclera 58
- inner core 106 of device 50 may be positioned directly above macula 72.
- a surgeon may position inner core 106 of device 50 at this location by moving distal end 92 of device 50 toward macula 72 along a path generally between the lateral and superior rectus muscles.
- the pharmaceutically active agent of inner core 106 is preferably one of the
- surgeon preferably utilizes the above-
- a second preferred location is directly on the outer surface of sclera 58, below Tenon's capsule 74, with inner core 106 positioned directly above macula 72.
- a surgeon may position inner core 106 of device 50 at this location by moving distal end 92 of device 50 toward macula 72 along a path generally between the lateral and inferior rectus muscles and below the inferior oblique muscle.
- body 80 of device 50 including the geometry of scleral surface 82, well 102, opening 104, and retaining member 108, facilitate the unidirectional
- Fluid 212 is disposed throughout proximal portion 302 and longitudinal portions 304 and 308, and is in communication with sclera 58 via
- openings 306, 310, and any openings to scleral surface 82 are provided.
- device 50 can be used to deliver a pharmaceutically effective
- Important physicochemical properties include hydrophobicity, solubility,
- device 50 may be used to deliver both a localized distribution of drug primarily beneath distal end 92 of device 10, or to deliver drug to substantially the entire retina, depending upon the particular fluid 212, inner core 106, and their pharmaceutically active agents and
- passageway 200 no longer contains any fluid 212, a surgeon may refill passageway 200 as described hereinabove.
- fluid 212 and inner core 106 may contain the same or different pharmaceutically active agents.
- Device 50 is especially useful for combination drag therapy, and in this case fluid 212 and inner core 106 contain different
- fluid 212 may contain a pharmaceutically active agents.
- fluid 212 may contain a pharmaceutically active agents.
- active agent(s) that is most easily or best formulated as a fluid, and inner core 106 may
- fluid 212 may be best for delivery of drag to substantially the entire retina
- inner core 106 may be best for localized delivery of drug primarily beneath inner
- FIGS. 7 A and 7B show a second preferred system of fluid conducting passageways or cavities 350 within body 80 of device 50.
- System of passageways 350
- proximal portion 352 preferably comprises a proximal portion 352, a longitudinal portion 354 having an
- opening 356 on side 86 of body 80 a longitudinal portion 358 having an opening 360 on
- Portions 352 and 362 preferably have a generally rectangular cross-section, and portions 354 and 358 preferably have a generally square cross-section. Opening 364
- openings 356 and 360 preferably has a generally rectangular cross-section, and openings 356 and 360 preferably has a generally rectangular cross-section, and openings 356 and 360 preferably
- Injection port 210 is located on orbital surface 84 of body 80
- system of passageways 350 may also have one or more openings to scleral surface 82 of device 50.
- a conventional syringe and needle may be used to impart fluid 212 into system of passageways 300 via injection port 210.
- a device 50 having a system of passageways 350 is constructed, implanted into the eye, and operated in substantially the same manner as described hereinabove with device 50 having a system of passageways 300.
- FIGS. 8 A and 8B show a third preferred system of fluid conducting passageways
- System of passageways 400 is identical to system of passageways 350 of FIGS. 7A and 7B, with the exception that longitudinal
- portion 354 has an additional opening 366 on side 86 of body 80, and longitudinal portion
- longitudinal portions 354 and 358 may be formed with more than two such openings, if
- system of passageways 400 may also have one or more openings to scleral surface 82 of device 50.
- a device 50 having a system of passageways 400 is constructed, implanted into the eye, and operated in substantially the same manner as described hereinabove with device 50 having a system
- FIGS. 9 A and 9B show a fourth preferred system of fluid conducting passageways
- System of passageways 450 is identical to main passageway 200 within body 80 of device 10 of FIGS. 3-4A, with the exception that
- well 102 is formed within main passageway 200 between first side opening 206 and
- system of passageways 450 may also have one or more openings to scleral surface 82 of device 50.
- a device 50
- FIG. 10A and 10B show a fifth preferred system of fluid conducting passageways or cavities 500 within body 80 of device 50.
- System of passageways 500 is identical to system of passageways 300 of FIGS. 6A and 6B, with the exception that longitudinal portion 304 has an opening 502 on side 86 of body 80, and longitudinal portion 308 has an opening 504 on side 88 of body 80.
- system of passageways 500 may also have one or more openings to scleral surface 82 of device
- a device 50 having a system of passageways 500 is constructed, implanted into the
- the present invention provides improved devices and methods for safe, effective, rate-controlled delivery of a variety of
- the devices of the present invention are
- retinopathies retinitis, uveitis, macular edema, and glaucoma.
- the devices are easy and economical to manufacture.
- the systems of fluid conducting passageways of the present invention may be employed into the ophthalmic drag delivery devices having a generally F-shaped geometry, a generally C-shaped geometry, or a generally L-shaped geometry as disclosed in U.S. Patent No. 6,416,777.
- well 102 and inner core 106 may have a generally oval, square, or other-polygonal three-dimensional geometry.
- openings may be utilized than described hereinabove.
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002446741A CA2446741C (en) | 2001-07-23 | 2002-07-22 | Ophthalmic drug delivery device |
JP2003515180A JP4249611B2 (en) | 2001-07-23 | 2002-07-22 | Ophthalmic drug delivery device |
DE60214697T DE60214697T2 (en) | 2001-07-23 | 2002-07-22 | DEVICE FOR RELEASING AN OPHTHALMIC MEDICINAL PRODUCT |
AU2002319606A AU2002319606B2 (en) | 2001-07-23 | 2002-07-22 | Ophthalmic drug delivery device |
MXPA03011610A MXPA03011610A (en) | 2001-07-23 | 2002-07-22 | Ophthalmic drug delivery device. |
EP02750206A EP1385452B1 (en) | 2001-07-23 | 2002-07-22 | Ophthalmic drug delivery device |
BR0210287-0A BR0210287A (en) | 2001-07-23 | 2002-07-22 | Ophthalmic drug delivery device |
US10/702,210 US6986900B2 (en) | 2001-07-23 | 2003-11-05 | Ophthalmic drug delivery device |
CY20061101597T CY1105762T1 (en) | 2001-07-23 | 2006-11-07 | EYE DRUG DISPENSING DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30722601P | 2001-07-23 | 2001-07-23 | |
US60/307,226 | 2001-07-23 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/702,210 Continuation US6986900B2 (en) | 2001-07-23 | 2003-11-05 | Ophthalmic drug delivery device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003009784A1 true WO2003009784A1 (en) | 2003-02-06 |
Family
ID=23188800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/023116 WO2003009784A1 (en) | 2001-07-23 | 2002-07-22 | Ophthalmic drug delivery device |
Country Status (17)
Country | Link |
---|---|
US (1) | US6986900B2 (en) |
EP (1) | EP1385452B1 (en) |
JP (1) | JP4249611B2 (en) |
CN (1) | CN100349562C (en) |
AT (1) | ATE339170T1 (en) |
AU (1) | AU2002319606B2 (en) |
BR (1) | BR0210287A (en) |
CA (1) | CA2446741C (en) |
CY (1) | CY1105762T1 (en) |
DE (1) | DE60214697T2 (en) |
DK (1) | DK1385452T3 (en) |
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ZA (1) | ZA200308811B (en) |
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CA2446741A1 (en) | 2003-02-06 |
CN100349562C (en) | 2007-11-21 |
DE60214697T2 (en) | 2007-09-13 |
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US6986900B2 (en) | 2006-01-17 |
JP4249611B2 (en) | 2009-04-02 |
EP1385452A4 (en) | 2006-01-18 |
PL204645B1 (en) | 2010-01-29 |
PT1385452E (en) | 2006-12-29 |
EP1385452A1 (en) | 2004-02-04 |
ZA200308811B (en) | 2004-11-23 |
JP2004535886A (en) | 2004-12-02 |
CA2446741C (en) | 2009-09-29 |
US20040092911A1 (en) | 2004-05-13 |
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CY1105762T1 (en) | 2011-02-02 |
EP1385452B1 (en) | 2006-09-13 |
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