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5377677 |
Packaging system for a fetal electrode
A packaging system for a fetal electrode assembly. The assembly includes an electrode which can be attached to a fetus. The electrode is coupled to an electrode wire. The electrode wire extends...
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5374285 |
Spinal electrode catheter
The electrode catheter comprises a flexible spiral wound element accommodated coaxially within and extending the entire length of a first sheath such a way as to provide a core ensuring rigidity,...
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5369251 |
Microwave interstitial hyperthermia probe
Method and apparatus for in vivo or in vitro selective deposition of microwave power patterns in lossy dielectric materials, particularly biological tissue. Configured as a needle-like probe, a...
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5366493 |
Double helix functional stimulation electrode
First and second electrical wires (10), (12) are wrapped helically around a polyprolene core (22). Along a single helical portion (A), a sheath (24) is placed over the spiral wound wires and core....
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5361760 |
Impact inserter mechanism for implantation of a biomedical device
The specification discloses an impact inserter for implanting a biomedical device such as a three-dimensional electrode device into a biological tissue. An electrode device useful as a neuron...
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5358517 |
Electrical medical lead with textured stylet guide
An implantable lead having a plastic stylet guide therein. A substantially cylindrical channel is provided in a flexible lead body made of silicone rubber, polyurethane, or the like. The...
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5358515 |
Microwave hyperthermia applicator
The antenna system of the invention is insulated on the outside and when inserted in a dissipative medium has a fixed complex resistance. When the antenna is supplied with HF energy through a...
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5358516 |
Implantable electrophysiology lead and method of making
An implantable lead in the form of an electrical conductor wire having an insulating layer of impervious plastic surrounding the surface of the electrical conductor wire and further having an...
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5354327 |
Conductor coil with specific ratio of torque to bending stiffness
A body implantable lead affixed with a pin or pins at its proximal end adapted to be connected to a pulse generator or signal detector with an electrode or electrodes at its distal end adapted to...
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5341807 |
Ablation catheter positioning system
A multi-electrode cardiac catheter has pairs of electrodes connected to sensing circuitry to produce a differential signal. The sensing output is sharply defined and self-normalizing. Preferably a...
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5336251 |
Adaptor device for unipolar electrode catheters
A replacement cardiac pacemaker is connected to an already implanted electrode catheter from which the original connecting pin has been discarded, and the cut end of the severed spiral wound wire...
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5336252 |
System and method for implanting cardiac electrical leads
The present invention provides a system and method for implanting electric leads in the pericardial space of a heart. The system includes a suction cup mounted to the distal end of a guiding...
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5332401 |
Apparatus and method for transcranial electrotheraphy
An electrode for providing TCET, especially via the earlobes of the patient, comprises an electrical conductor for application to the skin, connected to a lead for supplying the TCET signal from a...
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5330518 |
Method for treating interstitial tissue associated with microwave thermal therapy
A method of selectively treating interstitial tissue following microwave thermal therapy includes an intraurethral Foley-type catheter shaft. The catheter shaft contains a microwave antenna which...
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5324311 |
Coaxial bipolar connector assembly for implantable medical device
A compact connector assembly for an implantable medical device includes a receptacle for receiving the proximal end of a coaxial bipolar lead having a distal end attachable to a desired tissue...
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5324321 |
Medical electrical lead having sigmoidal conductors and non-circular lumens
An implantable lead including one or more sigmoidal or serpentine shaped conductors which are placed in one or more lumens formed in and extending along the length of the lead body. The conductor...
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5314458 |
Single channel microstimulator
An implantable microstimulator system employs a miniature ferrite-cored coil contained with an hermetically sealed housing to receive control signals and operating power from an RF telemetry...
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5314457 |
Regenerative electrical
A regenerative electrical stimulation device comprising a stimulator portion to be surgically implanted in patients and an external controller portion. The implanted stimulator portion provides...
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5314459 |
Defibrillation electrode system having smooth current distribution with floating electrode
A defibrillation electrode for implantation in the region of the heart and for connection to a defibrillation system. The electrode comprises multiple independent conductive segments spaced apart...
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5314464 |
Method and applicator tool for implanting cardiac defibrillation electrodes
A tool and method for inserting cardiac defibrillation electrodes into a patient. The tool includes an elongated electrode support tube having a rounded distal end and a proximal end; a finger grip...
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5312439 |
Implantable device having an electrolytic storage electrode
An electrolytic, capacitive electrode, adapted to be disposed in body fluids when implanted, is used to store electrical energy for use in providing electrical energy to at least a portion of the...
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5306236 |
Needle electrode for use with hypodermic syringe attachment
An improved needle electrode for use with a hypodermic syringe attachment which includes a needle member, a conductor wire directly attached to an uninsulated portion of the needle member,...
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5304120 |
Electroporation method and apparatus for insertion of drugs and genes into endothelial cells
A catheter device is inserted into a selected blood vessel of a patient and advanced to a preselected location within the blood vessel where the endothelial cells on the inner wall of the vessel...
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5304219 |
Multipolar in-line proximal connector assembly for an implantable stimulation device
An in-line, multipolar proximal connector assembly for an implantable stimulation lead is provided which incorporates at least one sensor. Advantageously, the present invention uses straight...
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5301687 |
Microwave applicator for transurethral hyperthermia
A radiant heating apparatus for deployment within an animal body to radiate heat-producing electromagnetic energy into the body includes an antenna mounted on a catheter element and connected to an...
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5300099 |
Gamma matched, helical dipole microwave antenna
A catheter shaft carries a coaxial cable, the terminal end of which contains a dipole antenna with opposing first and second helical elements. The first and second helical elements originate from a...
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5295955 |
Method and apparatus for microwave aided liposuction
Fatty tissue involved in a liposuction procedure is treated with microwave energy (also known as RF). In a particular embodiment of the invention, the microwave energy is applied by means of a...
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5275597 |
Percutaneous transluminal catheter and transmitter therefor
A catheter combination is described using a percutaneous transluminal transmitter for transmitting energy to a localized area. The combination includes a catheter having a hollow tubular member. A...
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5273525 |
Injection and electroporation apparatus for drug and gene delivery
An apparatus for implanting macromolecules such as genes, DNA or pharmaceuticals into a preselected tissue region such as a muscle or an organ of a patient. A modified syringe is provided for...
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5271413 |
Method to sense the tissue for injection from a hypodermic needle
Many pharmaceuticals require a specific tissue for injection, such as adipose or muscle, to optimize the effect of the drug. This is important to achieve the desired bioavailability of the injected...
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5272301 |
Thermostatically-controlled microwave used for treatment of internal tissue of the eye
A miniaturized microwave applicator comprises a thin-wall metal dielectric-filled waveguide having a thermocouple preferably disposed in a groove in the surface of the dielectric radiating aperture...
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5215088 |
Three-dimensional electrode device
A three-dimensional electrode device is disclosed. The device is useful as a neuron interface or as a cortical implant. A plurality of spire-shaped electrodes, formed of semiconductor material, are...
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5213097 |
Apparatus for the treatment of diseases of the walls of opening or cavities of the body
A treatment apparatus including a probe to be inserted into openings and cavities of the body, a control apparatus having a battery which is chargeable by the public power network. A control...
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5211637 |
Device for connecting catheter and injection tube
A device for connecting a catheter to an injection tube, which is provided with an elastic tube into which an open end of the tubular catheter having electrodes disposed at the closed end thereof...
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5197963 |
Electrosurgical instrument with extendable sheath for irrigation and aspiration
An electrosurgical instrument having a protective, extendable and retractable sheath or sleeve is disclosed. The sheath is disposed around and coaligned with an elongated cylindrical rod, from...
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5170787 |
Device for positioning an electrode
For simplifying the positioning of electrodes inside living bodies, a positioning device has a wire running through a tube, the tube being fastened to a case and being fastened to a handling...
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5170788 |
Needle electrode and method of assembly thereof
An electrode has a ferrule, a cannula and a wire, each with a distal end and a proximal end. The ferrule has a nose portion at its distal end and defines a nose passage terminating at a shoulder...
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5152298 |
Threaded suture sleeve
A suture sleeve for anchoring the lead body of an implantable medical device, such as a cardiac pacemaker, includes an elongated tubular member having a lumen for receiving the lead body. The...
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5139684 |
Electrically conductive methods and systems for treatment of blood and other body fluids and/or synthetic fluids with electric forces
A new process and system for treatment of blood and/or other body fluids and/or synthetic fluids from a donor to a recipient or storage receptacle or in a recycling system using novel electrically...
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5129404 |
Implantable endocardial lead with retractable fixation apparatus
An implantable endocardial lead with retractable sharpened helix. The piston has a central bore for receiving a specialized stylet. The stylet comprises a flexible wire having an enlarged distal...
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5129405 |
Vein suture collar
A vein suture collar for anchoring an electrode lead to a vein in which the lead is inserted includes a sleeve member having three longitudinally spaced circumferential suture grooves in the...
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5097843 |
Porous electrode for a pacemaker
A porous electrode for pacemakers is comprised of a plurality of platinum globules sintered together to form a porous mass of semi-hemispherical shape at the end of a platinum electrode stem. The...
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5095916 |
Cardioversion and defibrillation lead system
A cardioversion and defibrillation lead system and a method of use of the lead system for applying energy to the heart. The lead system and method of application are designed to maximize the...
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5092333 |
Catheter accommodating electrical wires
A catheter accommodating an electrical wire in the longitudinal direction thereof, wherein an enlargement is provided in at least part of its cavity, and an excess length of wire respect to the...
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5081990 |
Catheter for spinal epidural injection of drugs and measurement of evoked potentials
An spinal epidural catheter apparatus and method are shown and described. The apparatus provides for injection of drugs into the spinal epidural area, and measurement of evoked potentials at the...
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5061267 |
Balloon catheter for rechanneling stenoses in body passages, in particular of coronary and peripheral arterial vessels
A balloon catheter for rechanneling stenoses in body passages, in particular of coronary and peripheral arterial vessels, has a microwave antenna provided in the interior of the balloon, which...
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5056531 |
Electrode structure for high frequency hyperthermia device
In an electrode structure for a high frequency hyperthermia device, an electrode unit incorporating an electrode is provided at the front end of a supporting arm, and an inflatable insulated bag is...
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5003991 |
Hyperthermia apparatus
A hyperthermia apparatus for effecting the thermotherapy by heating a cancer locally including two outside-body electrodes to be arranged on an outer surface of a patient's body, an inside-body...
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4993430 |
Electrode device for high frequency thermotherapy apparatus
The disclosed electrode device for high frequency thermotherapy apparatus comprises a base member; a cavity-inserted cylindrical body removably fixed to the base member and inserted into a cavity...
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4989617 |
Intramuscular electrode for neuromuscular stimulation system
A helix (10) is defined by two lengths of multistrand wire (14) each surrounded by flexible, biocompatible insulation (18). A silicon elastic sheath (30) surrounds the helix and extends to a...
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