摘要:
An implantable biosensor system is disclosed for determining levels of cardiac markers in a patient to aid in the diagnosis, determination of the severity and management of cardiovascular diseases. The sensor includes nanowire sensor elements having a biological recognition element attached to a nanowire transducer that specifically binds to the cardiac marker being measured. Each of the sensor elements is associated with a protective member that prevents the sensor element from interacting with the surrounding environment. At a selected time, the protective member may be disabled, thereby allowing the sensor element to begin sensing signals within a living body.
摘要:
An implantable biosensor system is disclosed for determining levels of cardiac markers in a patient to aid in the diagnosis, determination of the severity and management of cardiovascular diseases. The sensor includes nanowire sensor elements having a biological recognition element attached to a nanowire transducer that specifically binds to the cardiac marker being measured. Each of the sensor elements is associated with a protective member that prevents the sensor element from interacting with the surrounding environment. At a selected time, the protective member may be disabled, thereby allowing the sensor element to begin sensing signals within a living body.
摘要:
An implantable biosensor system is disclosed for determining levels of cardiac markers in a patient to aid in the diagnosis, determination of the severity and management of cardiovascular diseases. The sensor includes nanowire sensor elements having a biological recognition element attached to a nanowire transducer that specifically binds to the cardiac marker being measured. Each of the sensor elements is associated with a protective member that prevents the sensor element from interacting with the surrounding environment. At a selected time, the protective member may be disabled, thereby allowing the sensor element to begin sensing signals within a living body.
摘要:
Embodiments of the invention provide methods for using compositions to inhibit microbial growth on a surface of a medical device having the composition applied thereto, to medical devices having the composition applied to a surface thereof and to methods for using the compositions to coat medical devices.
摘要:
An implantable medical device includes a housing and a coating disposed on the housing. The coating includes a conductive carrier and a therapeutic agent, e.g. an anti-infective agent such as silver particles. The conductive carrier can be any suitable conductive material, such as iridium oxide, titanium nitride, diamond-like carbon, graphite, polyaniline, platinum, carbon nanotubes, carbon black, platinum black, or poly 3,4,-ethylenedioxythiophene. Coatings containing iridium oxide and metallic silver particles are effective in inhibiting bacterial growth in vitro.
摘要:
Embodiments of the invention provide methods for using compositions to inhibit microbial growth on a surface of a medical device having the composition applied thereto, to medical devices having the composition applied to a surface thereof and to methods for using the compositions to coat medical devices.
摘要:
A method for manufacturing an implantable electrical medical device includes forming a conductive substrate, placing the conductive substrate in a deposition chamber; and forming a conformal coating over the conductive substrate using atomic layer deposition. In various embodiments, the conformal coating is a conductive coating and in other embodiments the conformal coating is a dielectric coating.
摘要:
An antimicrobial accessory may include a pressure sensitive adhesive and an antimicrobial mixed in the pressure sensitive adhesive. In some examples, an antimicrobial accessory may include at least one first domain comprising a pressure sensitive adhesive and a first antimicrobial and at least one second domain including a second polymer and a second antimicrobial. The antimicrobial accessory may be configured to be attached to a housing of an implantable medical device (IMD).
摘要:
An implantable medical electrode for use with implantable medical device systems having a base formed of a tungsten alloy. The tungsten alloy electrode may be a lead-based or leadless electrode and may be provided with or without a coating. The tungsten alloy electrode is utilized in an implantable medical device that includes an electrode having a base formed of a tungsten alloy, an electrical contact, and an electronics module adapted to be electrically coupled to the electrode via the electrical contact.
摘要:
A biomedical polymer has a substantially linear base polymer; and branched polyethylene oxide covalently bonded to the base polymer as surface active end groups. The branched polyethylene oxide has at least two, more particularly at least four, and still more particularly at least six branches. Suitable base polymers include epoxies, polyurethanes, polyurethane copolymers, fluoropolymers, polyolefins and silicone rubbers. Biologically active agents may be attached to the branched polyethylene oxide. Suitable biologically active agents include microbial peptide agents, detergents, non-steroidal anti-inflammatory drugs, cations, amine-containing organosilicones, diphosphonates, fatty acids, fatty acid salts, heparin and glucocorticosteroids. The biological polymer may be used as a casing for a medical unit of an implantable medical device, such as a pacemaker. In this case, the casing at least partially encloses the medical unit.