Apparatus for the treatment of periodontal disease
October 5, 2010. 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 3887699 Sterile syringe assembly and method of making same Metal coated articles Method of producing microcapsules and resulting product Cannula and process Microencapsulation process Patient employed digital operated syringe device for irrigating periodontal pockets and other soft tissue spaces Process for preparation of microcapsules Microencapsulation of water soluble active polypeptides InventorsAssigneeApplicationNo. 593125 filed on 10/05/1990US 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: Swiatek, Robert P.Assistant: Cherichetti, Cindy A. Attorney, Agent or FirmInternational ClassesA61G 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.Other References
Field of SearchMeans moved by person to inject or remove fluent material to or from body inserted conduit, holder, or reservoirInjector 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 | |
