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Class 427/2.21 - Retarded or controlled-release layer produced (e.g., enteric)


Subclass of Class 427 - Coating processes
Definition: Processes in which the product is intended to provide retarded
No. of patents: 133
Last issue date: 09/07/2010


1        
NumberTitleIssue Date
7790215Sustained-release gel coated compositions
Disclosed in certain embodiments is a coating comprising a pharmaceutically acceptable mixture of gelatin and hydrophobic polymer. ...
09/07/2010
7431959Method and system for irradiation of a drug eluting implantable medical device
A method and system for modifying a drug eluting polymeric substrate for an implantable device, such as a stent, is disclosed. ...
10/07/2008
7364748Controlled morphologies in polymer drug for release of drugs from polymer films
The present invention includes a drug release system. The drug release system comprises a bulk polymer phase and a polymeric drug-enriched phase within the bulk polymer phase. At least one drug is incorporated into the drug-enriched phase. ...
04/29/2008
7363074Coatings comprising self-assembled molecular structures and a method of delivering a drug using the same
A coating for an implantable medical device is disclosed, the coating including a self-assembled molecular structure. The coating can be used for altering the release rate of a therapeutic substance from the implantable device. ...
04/22/2008
7363091Method of molding silicone elastomer drug carrier in an endocardial lead
A drug-eluting endocardial lead and method of manufacture. The silicone elastomer of the present invention is ideally suited to a manufacturing environment due to its extended pot life and decreased curing time. A preferred silicone elastomer is comprised of a multi...
04/22/2008
7341630Stent coating system
A nozzle for use in a coating apparatus for the application of a solvent and polymer to a stent is provided. ...
03/11/2008
7335391Method for coating implantable devices
A method of forming a coating for an implantable medical device, such as a stent, is provided which includes applying a composition to the device in an environment having a selected pressure. ...
02/26/2008
7329413Coatings for drug delivery devices having gradient of hydration and methods for fabricating thereof
Coatings for implantable medical devices, and methods for fabricating thereof, are provided. The coatings include a first polymer layer and a second polymer layer, where the second polymer has a higher degree of hydration than the first polymer. ...
02/12/2008
7323209Apparatus and method for coating stents
An apparatus and method is provided for forming coatings on stents. The apparatus includes a temperature adjusting element that can increase or decrease the temperature of the stent. The apparatus can support a stent during the application of a coating composition t...
01/29/2008
7323210Method for depositing a coating onto a surface of a prosthesis
A patterned coating on a prosthesis, for example a stent, and a method for forming the coating are disclosed. Additionally, an apparatus for forming the patterned coating is disclosed. ...
01/29/2008
7318932Coatings for drug delivery devices comprising hydrolitically stable adducts of poly(ethylene-co-vinyl alcohol) and methods for fabricating the same
A polymer coating for medical devices based on a derivatized poly(ethylene-co-vinyl alcohol) is disclosed. A variety of polymers are described to make coatings for medical devices, particularly, for drug delivery stents. The polymers include poly(ethylene-co-vinyl a...
01/15/2008
7311980Polyactive/polylactic acid coatings for an implantable device
A polymeric coating for a medical device that comprises poly(lactic acid) and a block copolymer including blocks of poly(ethylene glycol) and poly(butylene terephthalate) is provided. ...
12/25/2007
7300662Drug/drug delivery systems for the prevention and treatment of vascular disease
A drug and drug delivery system may be utilized in the treatment of vascular disease. A local delivery system is coated with rapamycin or other suitable drug, agent or compound and delivered intraluminally for the treatment and prevention of neointimal hyperplasia f...
11/27/2007
7294329Poly(vinyl acetal) coatings for implantable medical devices
A coating for a medical device, particularly for a drug eluting stent, is described. The coating includes a polyacetal-based polymer. ...
11/13/2007
7288609Coatings for drug delivery devices based on poly (orthoesters)
A polymer coating for implantable medical devices based on polyorthoesters and methods for fabricating the coating are disclosed. The implantable medical devices made of polyorthoesters and methods for fabricating thereof are also disclosed. ...
10/30/2007
7285303Powder material for electrostatic application to a substrate and electrostatic application of the powder material to a substrate
Method of electrostatically applying powder material to a substrate, wherein the substrate is a pharmaceutical substrate and the powder material is pharmaceutically acceptable. At least some of the particles of the material comprise a core and a shell surrounding th...
10/23/2007
7279174Stent coatings comprising hydrophilic additives
A coating for implantable medical devices and a method for fabricating thereof are disclosed. The coating includes a mixture of a hydrophobic polymer and a polymeric hydrophilic additive, wherein the hydrophobic polymer and the hydrophilic additive form a physically...
10/09/2007
7276250Sustained release formulations of oxymorphone
Sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; methods for making the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; and methods for using the sustained release formulations of...
10/02/2007
7261946Block copolymers of acrylates and methacrylates with fluoroalkenes
A block copolymer comprising a fluorinated block and a non-fluorinated block and method of making the block copolymer are provided. Also provided herein are a coating on an implantable device comprising the block copolymer and method of using the implantable device....
08/28/2007
7261735Local drug delivery devices and methods for maintaining the drug coatings thereon
Local drug delivery medical devices are utilized to deliver therapeutic dosages of drugs, agents or compounds directly to the site where needed. The local drug delivery medical devices utilize various materials and coating methodologies to maintain the drugs, agents...
08/28/2007
7247313Polyacrylates coatings for implantable medical devices
A coating for a medical device, particularly for a drug eluting stent, is described. The coating can include a polyacrylate, a blend of polyacrylates, or a blend of the polyacrylate with other polymers, for example, poly(ethylene-co-vinyl alcohol). ...
07/24/2007
7244443Polymers of fluorinated monomers and hydrophilic monomers
A polymer of fluorinated monomers and hydrophilic monomers is provided. It is also provided a polymer blend that contains a polymer of fluorinated monomers and another biocompatible polymer. The polymer of fluorinated monomers or polymer blend described herein and o...
07/17/2007
7232573Stent coatings containing self-assembled monolayers
A coating for a medical device, particularly for a drug eluting stent, is described. The coating includes a self-assembled monolayer. ...
06/19/2007
7229473Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent
Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas...
06/12/2007
7223286Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent
Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas...
05/29/2007
7223282Remote activation of an implantable device
The invention is directed to an implantable device, such as a stent, for delivering a therapeutic substance. The device includes a reservoir containing a therapeutic substance and an energy converter to cause the release of the substance. ...
05/29/2007
7220816Biologically absorbable coatings for implantable devices based on poly(ester amides) and methods for fabricating the same
Coatings for an implantable medical devices such as stents and methods of fabricating thereof are disclosed. The coatings comprise a biologically absorbable poly(ester amide), which is a polymeric product of a reaction between a diol-diamine and a dicarboxylic acid....
05/22/2007
7217286Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent
Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas...
05/15/2007
7217426Coatings containing polycationic peptides for cardiovascular therapy
Coatings for implantable medical devices and methods for fabricating the same are disclosed. The coatings include a region containing a polycationic peptide, such as, for example, the polycationic peptide known as R7. ...
05/15/2007
7211150Apparatus and method for coating and drying multiple stents
A coating and drying apparatus for the application of a coating substance to a stent and drying the stent is provided. ...
05/01/2007
7201935Plasma-generated coatings for medical devices and methods for fabricating thereof
Coatings for implantable medical devices, such as stents, and methods of coating the devices are disclosed. The method includes forming a coating by plasma polymerization of a monomer or a blend of monomers. ...
04/10/2007
7186789Bioabsorbable, biobeneficial polyester polymers for use in drug eluting stent coatings
This disclosure covers polymers, some of which are useful in medical device applications. Some of these medical devices are implantable within a mammalian body, such as in a body lumen. The copolymers comprise at least one alcoholic moiety derived from a diol, triol...
03/06/2007
7175873Rate limiting barriers for implantable devices and methods for fabrication thereof
A method of coating an implantable medical device, such as a stent, is disclosed. The method includes applying a formulation on a first polymer layer containing a therapeutic substance to form a second layer. The formulation can contain a highly hydrophobic polymer ...
02/13/2007
7175874Apparatus and method for coating implantable devices
A coating for implantable devices, such as stents, and a method of making the same is disclosed. Moreover, an apparatus for depositing the coating is disclosed. ...
02/13/2007
7174221Method of manufacturing a drug-eluting endocardial lead utilizing silicone elastomer as a drug carrier
A drug-eluting endocardial lead and method of manufacture. The silicone elastomer of the present invention is ideally suited to a manufacturing environment due to its extended pot life and decreased curing time. A preferred silicone elastomer is comprised of a multi...
02/06/2007
7169173Composite stent with regioselective material and a method of forming the same
A composite stent and a method for making the same are provided. ...
01/30/2007
7169178Stent with drug coating
Coatings for stents that include a polymer and a drug are provided. A method of forming the coatings is also provided. ...
01/30/2007
7169404Biologically absorbable coatings for implantable devices and methods for fabricating the same
Coatings for an implantable medical device and a method of fabricating thereof are disclosed, the coatings comprising a biologically degradable, biologically erodable, and/or biologically resorbable ABA or AB block copolymer. A biologically active agent can be conju...
01/30/2007
7153538Method and apparatus for the coating of substrates for pharmaceutical use
A method of coating a pharmaceutical substrate includes the steps of applying an active coating material to a surface of the substrate to form an active coating layer and applying a cover coating material onto the active coating layer to form a cover coating layer. ...
12/26/2006
7115300Method of coating implantable medical devices
A method of coating a medical device, such as a stent is provided. ...
10/03/2006
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