CS224545B1 - Electrode for short period stimulation - Google Patents

Description

The invention relates to a bipolar or multi-pole electrode for short-term stimulation, e.g.

heart or other human organs.

It is currently used in clinical workplaces for short-term stimulation of the heart of bipolar or tripolar electrodes.

The electrodes are bifurcated and connected with contact pins for connection to an external pacemaker. Therefore, after insertion of the electrode into the heart, they contemplate leaving the delivery catheter on the patient or removing it by cutting. The electrodes have cylindrical stimulation tips made of Pt Ir 20 or stainless steel. Disposable electrodes are very expensive and have been difficult to access recently.

Electrodes are coaxial, requiring a splitter. Stimulus tips are of cylindrical stainless steel.

For short-term heart stimulation, the known electrode is also disposable and consists of a stainless steel wire é 0.2 with an insulating conductor inserted inside, coated with a PE 1.7 hose. Stimulating and instrumentation terminals are made of stainless steel, the connection between the terminals and the conductor is mechanical. It is a coaxial design and requires a splitter. It is supplied with an expansion and insertion catheter made of non-toxic material such as polypropylene.

For short-term and disposable applications, the manufacture of this electrode is very laborious and expensive.

All electrodes are characterized in that the electrode conductors and the electrode pacing terminals are two separate elements coupled together by either mechanical or soldering or the like. The insulated hoses of insulated hoses are placed on the one side of the conductors inserted, they are individually insulated and twisted into a spiral, where they create the stimulating surfaces of the electrode according to the number of turns. The gap between pacing electrodes is filled with health-friendly material of the same quality as the insulating hose.

The terminals for connection to the pacemaker are individually connected and provided with contact pins. No splitter required. The insertion keteter is made as a blasting version.

The advantage of this design is simplicity, low labor and low cost. Two-, three- and four-pole electrodes of similar design can also be used for short-term stimulation of other human organisms such as the brain or spinal cord.

An embodiment of a bipolar electrode according to the invention is shown in the drawing.

The electrode consists of two conductors 5 insulated on the outside and inserted into the insulating hose 2, of a non-toxic material. The conductors 6 are insulated and twisted into a spiral, the surface of which, according to the number of turns, forms the stimulating surfaces of the electrode 6. The insulation between the stimulation electrodes 6 is formed by the insulation 6 of the same material as the insulating hose 2. The connection between <

by the stimulation electrodes 6 and the insulating hose 2, for example, by hot spraying.

Claims (1)

SUBJECT OF THE INVENTION Short-term pacing electrode with two or multi-blade pacing electrodes, characterized in that one or more insulated conductors (1) inserted into an insulating hose (2) of non-toxic material are non-conductive. The polyethylene and the individually insulated conductor ends (1) are twisted into a spiral and form an electrode stimulation surface (3) according to the number of turns, the gaps between the stimulation electrodes (3) being filled with insulation (4). (2).