摘要:
Devices and methods of use for introduction and implantation of an electrode as part of a minimally invasive technique. A system includes an introducer tool including a dilator portion, a carrier portion and a release mechanism, the dilator portion selectively engageable with the carrier portion. The system further includes a lead including a lead body and an electrode structure, the electrode structure including an active side with an electrode disposed thereon, and an inactive side with an element disposed thereon. The introducer tool is configured to be temporarily inserted into a patient over a guidewire, and a portion of the release mechanism is selectively engageable with the element of the electrode structure to retain the electrode structure to the introducer tool.
摘要:
An apparatus comprises a flexible substrate including a modular electrode array disposed on the flexible substrate. The modular electrode array includes a plurality of electrode modules, where an electrode module includes a plurality of electrodes. The flexible substrate also includes a spatial separation between the electrode modules of the modular electrode array, and conductive interconnect coupled to the electrodes of the plurality of electrodes.
摘要:
The invention relates to a system (1) for stimulating renal nerves of a renal artery of a subject (3). The system comprises a stimulation device (12, 17, 28) for stimulating the renal nerves, a measuring unit (20) for measuring the blood pressure and/or the heart rate of the subject at at least two times, wherein at least one of these times is during or after the stimulation of the renal nerves, and a subject suitability determination unit (14) for determining whether the subject is suitable for a renal sympathetic denervation procedure based on the measured blood pressure and/or the measured heart rate. The invention allows therefore for a preselection of subjects which are suitable for a renal sympathetic denervation procedure.
摘要:
A device and method for reducing patient transthoracic impedance for the purpose of delivering a therapeutic current are provided. In one embodiment, the device for reducing patient transthoracic impedance for the purpose of delivering a therapeutic current may be used in a defibrillator. The device for reducing patient transthoracic impedance for the purpose of delivering a therapeutic current may be a microneedle array that may have a number of different configurations and may be made with different materials.
摘要:
The present invention relates to a direct current applicator comprising a direct current source, or a device for attachment to a direct current source, and a sheet-like first electrode and a sheet-like second electrode for connection to the direct current source, wherein the first electrode comprises a plurality of sheet-like structures, and wherein (1) each of the midpoints of the sheet-like structures of the first electrode has a distance of 15 cm or less from at least one other such midpoint, and/or (2) one of the following alternatives applies: (i) all midpoints of the sheet-like structures of the first electrode are arranged in a polygon in which the ratio of the maximum side length to the minimum side length is 3 or less, (ii) some of the midpoints of the sheet-like structures of the first electrode are arranged in such a polygon, the remainder of the midpoints are arranged outside the polygon, and, on projection in a plane which is chosen such that the sum of the squares of the distance of the polygon corners from the plane is minimal, each midpoint lying outside the polygon has at least one connection line, intersecting the polygon, to another midpoint lying outside the polygon, or (iii) some of the midpoints of the sheet-like structures of the first electrode are arranged in such a polygon, the remainder of the midpoints are arranged outside the polygon, at least one connection line of two midpoints is parallel to at least one side line of the polygon, and, on projection in said plane, no midpoint lying outside the polygon has a connection line, intersecting the polygon, to another midpoint lying outside the polygon.
摘要:
The invention generally relates to a continuous anesthesia nerve conduction apparatus and method thereof, and more particularly to a method and system for use in administering a continuous flow or intermittent bolus of anesthetic agent to facilitate a continuous or prolonged nerve block. In one embodiment, the apparatus includes a sheath having a proximal end, a distal end and at least one lumen extending from the proximal end to the distal end. The sheath also includes an embedded conductive element for transmitting an electrical signal from a proximal portion of the sheath to a distal portion of the sheath. A cannula is arranged in the at least one lumen of the sheath and has a distal end protruding from a distal portion of the sheath. The cannula is electrically coupled to at least a portion of the embedded conductive element and is configured to provide nerve stimulation.
摘要:
In an embodiment, a device comprises a surgical drape having a fenestration formed therein and a nerve stimulator attached to an outward side of the surgical drape. One or more electrical conductors may also be attached to the drape and to the never stimulator. An electroconductive material may be arranged on a patient-facing side of the surgical drape. A connector may be attached to the surgical drape, which connector terminates an electrical conductor and is configured to permit attachment of an external nerve block needle. The attached nerve stimulator may be configured to provide a time-out indication. In another embodiment, the device comprises a surgical drape having at least one electrical conductor attached to the drape. At least one second connector may be attached to the surgical drape and configured to be in electrical communication with, and terminate, a second end of one or more electrical conductors.
摘要:
An interface for coupling with a percutaneously implantable lead is described. The interface includes a rotation based system to engage the terminal connector of the lead. The interface includes a brake which retains the lead in the lead port through friction, but allows the lead to exit the lead port if sufficient force is applied. The interface can be coupled with the lead without removing a stylet or stiffening wire from the lead.