Positive pressure drug releasing device
A positive pressure long-term drug delivery device particularly useful for the intravaginal or intrauterine release of a drug capable of passing through a diffusion membrane and being absorbed by the vaginal or uterine epithelium. The device includes a tubular casing having a plunger urged by a comp...
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| creator | MAGOON KEITH E HEMBROUGH FREDERICK B EVANS LAWRENCE E |
| description | A positive pressure long-term drug delivery device particularly useful for the intravaginal or intrauterine release of a drug capable of passing through a diffusion membrane and being absorbed by the vaginal or uterine epithelium. The device includes a tubular casing having a plunger urged by a compression spring to create a continuous positive pressure on a drug in liquid form within the chamber of the casing, a supported membrane at one end of the casing through which such drug diffuses at a predetermined rate, and resilient elements at the opposite end of the casing for facilitating retention of the device throughout the term of administration of the drug. |
| format | Patent |
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The device includes a tubular casing having a plunger urged by a compression spring to create a continuous positive pressure on a drug in liquid form within the chamber of the casing, a supported membrane at one end of the casing through which such drug diffuses at a predetermined rate, and resilient elements at the opposite end of the casing for facilitating retention of the device throughout the term of administration of the drug.</description><language>eng</language><subject>BABY COMFORTERS ; BANDAGES, DRESSINGS OR ABSORBENT PADS ; CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES ; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY ; DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY ; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR ; DEVICES FOR RECEIVING SPITTLE ; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY ; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. 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The device includes a tubular casing having a plunger urged by a compression spring to create a continuous positive pressure on a drug in liquid form within the chamber of the casing, a supported membrane at one end of the casing through which such drug diffuses at a predetermined rate, and resilient elements at the opposite end of the casing for facilitating retention of the device throughout the term of administration of the drug.</description><subject>BABY COMFORTERS</subject><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS</subject><subject>CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES</subject><subject>DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY</subject><subject>DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY</subject><subject>DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR</subject><subject>DEVICES FOR RECEIVING SPITTLE</subject><subject>DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY</subject><subject>DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS</subject><subject>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. 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The device includes a tubular casing having a plunger urged by a compression spring to create a continuous positive pressure on a drug in liquid form within the chamber of the casing, a supported membrane at one end of the casing through which such drug diffuses at a predetermined rate, and resilient elements at the opposite end of the casing for facilitating retention of the device throughout the term of administration of the drug.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BABY COMFORTERS BANDAGES, DRESSINGS OR ABSORBENT PADS CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR RECEIVING SPITTLE DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS 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 PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS |
| title | Positive pressure drug releasing device |
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