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Class Information
Number: 424/424
Name: Drug, bio-affecting and body treating compositions > Preparations characterized by special physical form > Implant or insert > Surgical implant or material > Membrane or diffusion barrier
Description: Subject matter in which the sustained or differential release of active pharmaceutical takes place through a membrane or diffusion barrier.










Sub-classes under this class:

Class Number Class Name Patents
424/425 Diffusion barrier is matrix 458


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
5900408 Methods of creating a unique chitosan and employing the same to form complexes with drugs, delivery of the same within a patient and a related dosage form May. 4, 1999
5893974 Microfabricated capsules for immunological isolation of cell transplants Apr. 13, 1999
5893839 Timed-release localized drug delivery by percutaneous administration Apr. 13, 1999
5891455 Process for producing an implant from cell cultures Apr. 6, 1999
5888988 Covalently linked N,O-carboxymethylchitosan and uses thereof Mar. 30, 1999
5879697 Drug-releasing coatings for medical devices Mar. 9, 1999
5876742 Biological tissue transplant coated with stabilized multilayer alginate coating suitable for transplantation and method of preparation thereof Mar. 2, 1999
5876452 Biodegradable implant Mar. 2, 1999
5874099 Methods for making immunoisolatary implantable vehicles with a biocompatible jacket and a biocompatible matrix core Feb. 23, 1999
5871472 Planting devices for the focal release of neuroinhibitory compounds Feb. 16, 1999
5871767 Methods for treatment or prevention of neurodegenerative conditions using immunoisolatory implantable vehicles with a biocompatible jacket and a biocompatible matrix core Feb. 16, 1999
5868142 Implantable device Feb. 9, 1999
5869077 Methods for treating diabetes by delivering insulin from biocompatible cell-containing devices Feb. 9, 1999
5861168 Intramural delivery of nitric oxide enhancer for inhibiting lesion formation after vascular injury Jan. 19, 1999
5855613 Retrievable bioartificial implants having dimensions allowing rapid diffusion of oxygen and rapid biological response to physiological change Jan. 5, 1999
5855616 Bioartificial pancreas Jan. 5, 1999
5855904 Biodegradable sustained release preparation for treating periodontitis Jan. 5, 1999
5856367 Biocompatible porous matrix of bioabsorbable material Jan. 5, 1999
5853745 Medical implant having a durable, resilient and effective antimicrobial coating Dec. 29, 1998
5851547 Controlled release drug formulation of open end cylindrical rod form Dec. 22, 1998
5849331 Incorporation of biological molecules into bioactive glasses Dec. 15, 1998
5843781 Implantable prosthetic vascular device having an adherent cell monolayer produced under shear stress Dec. 1, 1998
5843069 Implantable containment apparatus for a therapeutical device and method for loading and reloading the device therein Dec. 1, 1998
5840325 Osteogenic devices Nov. 24, 1998
5836935 Implantable refillable controlled release device to deliver drugs directly to an internal portion of the body Nov. 17, 1998
5837234 Bioartificial organ containing cells encapsulated in a permselective polyether suflfone membrane Nov. 17, 1998
5834001 Methods for making immunoisolatory implantable vehicles with a biocompatiable jacket and a biocompatible matrix core Nov. 10, 1998
5834005 Bioartificial devices and cellular matrices therefor Nov. 10, 1998
5830883 Methods of creating a unique chitosan and employing the same to form complexes with drugs, delivery of the same within a patient and a related dosage form Nov. 3, 1998
5830492 Bioartificial devices and cellular matrices therefor Nov. 3, 1998
5827707 Method for manufacturing minimal volume capsules containing biological materials Oct. 27, 1998
5824331 Bioartificial devices and cellular matrices therefor Oct. 20, 1998
5820882 Biocompatible microcapsules Oct. 13, 1998
5814604 Methods for inducing endochondral bone formation comprising administering CBMP-2A, CBMP-2B, and/or virants thereof Sep. 29, 1998
5807581 Collagen-based injectable drug delivery system and its use Sep. 15, 1998
5800828 Implantable biocompatible immunoisolatory vehicle for delivery of selected therapeutic products Sep. 1, 1998
5800829 Methods for coextruding immunoisolatory implantable vehicles with a biocompatible jacket and a biocompatible matrix core Sep. 1, 1998
5801141 Implant compositions containing a biologically active protein, peptide or polypeptide Sep. 1, 1998
5800542 Sterilization by gamma irradiation Sep. 1, 1998
5800529 Close vascularization implant material Sep. 1, 1998
5798042 Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters Aug. 25, 1998
5798113 Implantable biocompatible immunoisolatory vehicle for delivery of selected therapeutic products Aug. 25, 1998
5795591 Osmotic drug delivery devices with hydrophobic wall materials Aug. 18, 1998
5795570 Method of containing core material in microcapsules Aug. 18, 1998
5788977 Method of making controlled release devices Aug. 4, 1998
5782912 Close vascularization implant material Jul. 21, 1998
5770076 Micromachined capsules having porous membranes and bulk supports Jun. 23, 1998
5755791 Perforated submucosal tissue graft constructs May. 26, 1998
5756453 Use of angiogenic lipids for vascularizing tissue May. 26, 1998
5741334 Artificial pancreatic perfusion device Apr. 21, 1998

1 2 3 4 5 6 7 8 9 10 11 12 13 14










 
 
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