摘要:
A cardiac lead is disclosed which includes an elongated lead body having opposed proximal and distal ends, a tip electrode operatively associated with the distal end of the elongated lead body, a connector operatively associated with the proximal end of the elongated lead body and electrically connected to the tip electrode, and a cylindrical eluting ring disposed proximate the tip electrode and formed from a compound including an elastomer and about 15% to 25% by weight medicament.
摘要:
A high impedance bipolar cardiac lead is disclosed that includes a lead body with a distal electrode assembly that includes an anodic ring electrode and a coaxially disposed cathodic tip electrode, wherein the anodic ring electrode and the cathodic tip electrode are separated from one another by a drug eluting insulating member.
摘要:
A steerable multi-polar lead shaft assembly includes a core member extending longitudinally through the shaft assembly, a plurality electrically conductive elements disposed within the core member, a plurality of steering wires circumferentially distributed about the core member. A control mechanism for a steerable catheter, such as the steerable multi-polar lead assembly, includes a mounting portion adapted to engage a steerable shaft, a stem extending from the mounting portion, a swivel joint arranged at a proximal end of the stem, a control yoke rotatably mounted on the swivel joint, adapted to engage a plurality of steering wires of the steerable catheter, and a handle connected with the yoke, adapted for direct manipulation by a user.
摘要:
An active fixation cardiac lead is disclosed that includes an elongated lead body having opposed proximal and distal end portions and an interior lumen that extends therethrough. A rotatable fixation element is operatively associated with the distal end portion of the lead body and a tubular torque-transmitting member extends through the interior lumen of the lead body. The tubular torque-transmitting member has a distal end connected to the fixation element and a proximal end connected to a rotatable actuator operatively associated with the proximal end portion of the lead body. Preferably, the rotatable actuator is part of a connector assembly that is operatively associated with the proximal end portion of the lead body.
摘要:
New and useful neurostimulation systems are provided that include an implantable pulse generator dimensioned and configured for implantation in the skull of a patient. The implantable pulse generator has an electrode operatively associated with a distal end portion thereof and can be provided with adjustment means, such as an adjustable biasing member or spring arranged between the electrode to the distal end portion of the pulse generator. Also provided are systems involving networked neurostimulators that are configured and adapted to work jointly in accordance with prescribed treatment protocol to effect a desired recovery from brain injury. Such networked neurostimulation systems are particularly advantageous for effecting relatively large and/or relatively distant regions of the brain. Additionally, systems and methods for motor-evoked potential (MEP)-based neuromodulation are provided. Further, AC and/or DC stimulation can be utilized, depending on the precise implementation.
摘要:
An implantable lead adaptor is disclosed that includes an encapsulated thermoplastic housing defining a proximal end portion and a distal end portion. The proximal end portion has a first receptacle configured to receive a first type of connector assembly associated with a first implantable cardiac lead, and a second receptacle configured to receive a second type of connector assembly associated with a second implantable cardiac lead. An elongated flexible lead portion extends from the distal end portion of the adaptor housing. A connector assembly is operatively associated with a distal end section of the flexible lead portion of the adaptor for connection to an implantable pulse-generating device, such as, for example, an implantable pacemaker or defibrillator. Low resistance conductor wires electrically connect the connector assembly associated with the distal end section of the lead portion with the first and second receptacles of the adaptor housing.
摘要:
An implantable lead adaptor is disclosed that includes an encapsulated thermoplastic housing defining a proximal end portion and a distal end portion. The proximal end portion has a first receptacle configured to receive a first type of connector assembly associated with a first implantable cardiac lead, and a second receptacle configured to receive a second type of connector assembly associated with a second implantable cardiac lead. An elongated flexible lead portion extends from the distal end portion of the adaptor housing. A connector assembly is operatively associated with a distal end section of the flexible lead portion of the adaptor for connection to an implantable pulse-generating device, such as, for example, an implantable pacemaker or defibrillator. Low resistance conductor wires electrically connect the connector assembly associated with the distal end section of the lead portion with the first and second receptacles of the adaptor housing.
摘要:
An epidural cortical stimulation system includes a stimulation body and a connecting lead. The stimulation body has a core formed of a shape-memory material, insulation provided around the core, defining an outer surface of the stimulation body, and at least one electrode arranged on the outer surface of the stimulation body, adapted and configured to contact the dura of a patient. The connecting lead extends from a proximal end of the body, and is adapted and configured for electrical communication with a control unit for providing power to the body electrical cortical stimulation.