Method for determining amount of medication in an implantable device

A system for providing controlled release of an active agent in an eye includes a device with a shape thereof for enabling placement of the device under a conjunctiva of an eye and additionally preventing migration of the device in the eye after placement of the device under the conjunctiva. The dev...

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Bibliographische Detailangaben
Hauptverfasser:	GWON, ARLENE E, MEADOWS, DAVID
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A system for providing controlled release of an active agent in an eye includes a device with a shape thereof for enabling placement of the device under a conjunctiva of an eye and additionally preventing migration of the device in the eye after placement of the device under the conjunctiva. The device may be formed of a material permeable to the passage of an agent disposed in said device. In addition, a tracer may be incorporated in the device to enable visual indication of the amount of active agent in said device when said device is disposed under the conjunctiva. To selectively treat specific areas of the eye, an impermeable layer may be provided for preventing diffusion of the active agent from a selected area of the device.