Patent application number | Description | Published |
20110022158 | Bioerodible Medical Implants - A medical implant includes a bioerodible portion adapted to degrade under physiological conditions. The bioerodible portion includes a bioerodible metal matrix and a salt or clay within the bioerodible metal matrix. | 01-27-2011 |
20110238153 | ENDOPROSTHESES - Endoprostheses include an endoprosthesis wall that includes a surface layer that includes a metallic material and that defines a plurality of discrete pores. A porous material is disposed in one or more pores of the surface layer. The endoprostheses can, for example, deliver a therapeutic agent, such as a drug, in a controlled manner over an extended period of time. | 09-29-2011 |
20110245905 | ENDOPROSTHESIS - Among other things, a bio-erodible implantable endoprosthesis comprises a member that includes (a) a core having a surface, and (b) a bio-erodible metal on a least a portion of the surface of the core, wherein the bio-erodible metal erodes more slowly than the core and includes openings through which physiological fluids can access the core upon implantation. | 10-06-2011 |
Patent application number | Description | Published |
20090062483 | NANOPARTICLE PRECURSOR STRUCTURES, NANOPARTICLE STRUCTURES, AND COMPOSITE MATERIALS - Nanoparticle precursor structures, nanoparticle structures, and composite materials that include the nanoparticle structures in a polymer to form a composite material. The nanoparticle structures have chemical linkage moieties capable of forming non-covalent bonds with portions of a polymer for the composite material. Such composite materials are useful as biomaterials in medical devices. | 03-05-2009 |
20100100057 | POLYMER COATINGS WITH CATALYST FOR MEDICAL DEVICES - Coating compositions and coatings for medical devices formed from the coating compositions that include a catalyst in a support polymer, where the support polymer helps to support and retain the catalyst in the coating on the medical device. The catalyst in the support polymer can act to chemically bond specific compounds migrating from a body of the medical device formed from a polymer to at least one of the polymer and/or other specific compounds migrating from the body of the medical device. | 04-22-2010 |
20110009541 | NANOPARTICLE PRECURSOR STRUCTURES, NANOPARTICLE STRUCTURES, AND COMPOSITE MATERIALS - Nanoparticle precursor structures, nanoparticle structures, and composite materials that include the nanoparticle structures in a polymer to form a composite material. The nanoparticle structures have chemical linkage moieties capable of forming non-covalent bonds with portions of a polymer for the composite material. Such composite materials are useful as biomaterials in medical devices. | 01-13-2011 |
Patent application number | Description | Published |
20090143815 | Apparatus and Method for Sealing a Vessel Puncture Opening - A device for sealing a puncture opening in a wall of a blood vessel may include a base frame including a first bi-stable material having a first stable state corresponding to a delivery configuration of the base frame, in which the base frame is retracted to have a relatively smaller overall profile, and a second stable state corresponding to a deployed configuration of the base frame, in which the base frame is extended to have a relatively larger overall profile. The base frame is sized to engage an interior surface of the blood vessel wall when in the deployed configuration. A sealing section is coupled to the base frame and includes a second bi-stable material having a first stable state corresponding to an initial configuration of the sealing section, in which the sealing section permits fluid flow, and a second stable state corresponding to a barrier configuration of the sealing section, in which the sealing section prevents fluid flow. The sealing section in the barrier configuration is sized to block fluid flow through the puncture opening when the base frame is in the deployed configuration. | 06-04-2009 |
20120172928 | APPARATUS AND METHOD FOR SEALING A VESSEL PUNCTURE OPENING - A device for sealing a puncture opening may include a base frame having a delivery configuration, wherein the base frame is retracted to have a relatively smaller overall profile, and a deployed configuration, wherein the base frame is extended to have a relatively larger overall profile. The base frame is sized to engage an interior surface of the blood vessel wall in the deployed configuration. A sealing section is coupled to the base frame, the sealing section having an initial configuration, wherein the sealing section permits fluid flow, and a barrier configuration, wherein the sealing section prevents fluid flow. The sealing section in the barrier configuration is sized to block fluid flow through the puncture opening when the base frame is in the deployed configuration. | 07-05-2012 |
Patent application number | Description | Published |
20090099634 | CONDUCTIVE COMPOSITE ELECTRODE MATERIAL - A medical electrical lead and body implantable electrode suitable for a variety of medical applications are disclosed. In general, the electrode includes a composite material having particles of pseudo-capacitive material, such as iridium oxide, dispersed within a polymer matrix including a polyelectrolyte. The polymer matrix can also include a conductive polymer doped with an excess of the polyelectrolyte. The composite may used to form the electrode itself or an electrode coating. The presence of a pseudo-capacitive material within the composite may increase the charge-storage capacity of the electrode and may allow for safe deliveries of charge densities within an electrochemical window suitable for pacing a patient's heart. | 04-16-2009 |
20090105796 | FIBROUS ELECTRODE MATERIAL - A biomimetic electrode material including a fibrous matrix including a conductive polymer and an ion conducting polymeric material is described. The biomimetic electrode material may be used in a number of body-implantable application including cardiac and neuro-stimulation applications. The biomimetic electrode material can be formed using electrospinning and other related processes. The biomimetic electrode may facilitate efficient charge transport from ionically conductive tissue to the electronically conductive electrode and may induce surrounding tissue to attach or interface directly to the implanted device, increasing the biocompatibility of the device. | 04-23-2009 |
20110112617 | CONDUCTIVE COMPOSITE ELECTRODE MATERIAL - A medical electrical lead and body implantable electrode suitable for a variety of medical applications are disclosed. In general, the electrode includes a composite material having particles of pseudo-capacitive material, such as iridium oxide, dispersed within a polymer matrix including a polyelectrolyte. The polymer matrix can also include a conductive polymer doped with an excess of the polyelectrolyte. The composite may used to form the electrode itself or an electrode coating. The presence of a pseudo-capacitive material within the composite may increase the charge-storage capacity of the electrode and may allow for safe deliveries of charge densities within an electrochemical window suitable for pacing a patient's heart. | 05-12-2011 |
20110137389 | FIBROUS ELECTRODE MATERIAL - A biomimetic electrode material including a fibrous matrix including a conductive polymer and an ion conducting polymeric material is described. The biomimetic electrode material may be used in a number of body-implantable applications including cardiac and neuro-stimulation applications. The biomimetic electrode material can be formed using electrospinning and other related processes. The biomimetic electrode may facilitate efficient charge transport from ionically conductive tissue to the electronically conductive electrode, and may induce surrounding tissue to attach or interface directly to the implanted device, increasing the biocompatibility of the device. | 06-09-2011 |