Method for the treatment of periodontal disease by sustained delivery of a therapeutic agent to the periodontal pocket, composition of matter therefor and apparatus for the administration thereof
April 22, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3760503 Metal coated articles Cannula and process Process for preparation of microcapsules Local delivery of chemotherapeutic agents for the treatment of periodontal disease Intra-pocket drug delivery devices for treatment of periodontal diseases Applicator syringe for a dental compound Single hand operable dental composite package Apparatus for the treatment of periodontal disease Patent #: 5236355 InventorsAssigneeApplicationNo. 007753 filed on 01/22/1993US Classes:433/80, Having intra-oral dispensing means433/89, Hand-held implement with material supply604/187Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.)ExaminersPrimary: O'Connor, Cary E.Attorney, Agent or FirmInternational ClassesA61C 017/02A61C 005/04 A61M 005/00 AbstractOral compositions for the local administration of a therapeutic agent to a periodontal pocket of a patient for alleviating dental disease comprise a plurality of dry, discrete microparticles each of which comprise an effective amount of at least one therapeutic agent dispersed in a matrix comprising a biocompatible and biodegradable polymer. Apparatus and methods are also provided for the dispensing of the dry microparticles to the periodontal pocket whereby they become tacky and adhere to the involved tissue so as to induce long term therapeutic benefits.Field of SearchHaving intra-oral dispensing meansHand-held implement with material supply Single charge device having plunger-type ejector Means moved by person to inject or remove fluent material to or from body inserted conduit, holder, or reservoir Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.) Having medical information (e.g., name of patient or medicament, etc.) means Having structure for facilitating sterilization of syringe or preventing contamination of material therein | |
