# US 10,864,369 B2 · Implantable probe comprising a perforated sleeve

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- Number: US 10,864,369 B2
- Document ID: US10864369B2
- Status: Granted
- Kind: B2
- Application number: 15/769,236
- Filed: 2016-10-18
- Published: 2018-10-25
- Granted: 2020-12-15
- Earliest claimed: 2015-10-19
- Assignees: Sorin Crm SAS
- Applicants: Sorin Crm SAS
- Inventors: Hervé Mevel; Stéphane Befahy; Vincent Callegari
- Web page: https://patentgrep.com/patent/US10864369B2

## CPC

- A61N 1/0556: {Cuff electrodes}
- A61N 1/36053: {adapted for vagal stimulation (A61N1/36114 takes precedence)}
- A61N 1/36114: {Cardiac control, e.g. by vagal stimulation (stimulating the heart A61N1/362)}
- A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B)

## Abstract

The disclosure relates to implantable probes. An implantable probe includes a sleeve capable of being wound around an elongate organ of cylindrical shape, and includes a sheet of elastically deformable material that supports at least one electrode. The sheet is prestressed in such a way as to allow it to self-wind from an initial position, in which the sheet is kept stressed in the deployed state, to a final position, in which the sheet is wound freely in a spiral to form a sleeve around the organ, with the first face, which supports the electrodes, being directed towards the inside. The sheet is delimited by an outer lateral edge of the sleeve after winding, an inner lateral edge of the sleeve after winding, and a first transverse edge and a second, opposite transverse edge. The sheet includes perforations located in proximity to the first and/or second transverse edge.

## Claims

### Claim 1

An implantable probe comprising:
a sleeve capable of being wound around an elongate organ of cylindrical shape, the sleeve comprising:
a sheet of elastically deformable material supporting at least one detection/stimulation electrode on a first face of the sheet, the sheet being prestressed to allow it to self-wind from an initial position, in which the sheet is kept stressed in the deployed state, to a final position, in which the sheet is wound freely in a spiral to form the sleeve around the organ, with the first face, which supports the electrodes, being directed towards the inside,
the sheet being delimited by an outer lateral edge of the sleeve after winding, an inner lateral edge of the sleeve after winding, and a first transverse edge joining first homologous ends of the outer lateral edge and of the inner lateral edge, and a second transverse edge joining second homologous ends of the outer lateral edge and of the inner lateral edge,
wherein the sheet comprises a plurality of perforations located along the first and/or second transverse edge, and
wherein when in the final position, the plurality of perforations reduce a difference in conductivity between the outer lateral edge and the inner lateral edge.

### Claim 2 (depends on 1)

The implantable probe of claim 1, wherein the perforations are triangular in shape.

### Claim 3 (depends on 2)

The implantable probe of to claim 2, wherein the triangles have rounded corners.

### Claim 4 (depends on 1)

The implantable probe of claim 1, wherein the perforations are substantially round in shape.

### Claim 5 (depends on 1)

The implantable probe of claim 1, wherein the perforations are located in at least one zone extending up to 25% of the width of the sheet in proximity to the first and/or second transverse edge, the width of the sheet being defined by the distance between the first and the second transverse edge.

### Claim 6 (depends on 1)

The implantable probe of claim 1, wherein the perforations are formed on the first and/or second transverse edge and form a saw-tooth shape along the first and/or second transverse edge.

### Claim 7 (depends on 1)

The implantable probe of claim 1, wherein the outer lateral edge is, at both ends, connected to the two transverse edges via a respective bevel edge forming an oblique angle with respect to the direction of the largest dimension of the sheet.

### Claim 8 (depends on 7)

The implantable probe of claim 7, wherein the bevel edge extends over 15 to 60% of the extent of the sheet in the direction of its largest dimension.

### Claim 9 (depends on 7)

The implantable probe of claim 7, wherein the perforations are located along a non-beveled portion of the first and/or the second transverse edge.

### Claim 10 (depends on 7)

The implantable probe of claim 7, wherein each beveled edge forms, relative to the direction of greatest dimension of the sheet, an angle between 20 and 45°.

### Claim 11 (depends on 1)

The implantable probe of claim 1, wherein the inner lateral edge is connected to the first transverse edge and the second transverse edge by a third and a fourth respective bevel edge forming a second oblique angle relative to the direction of greatest dimension of the sheet.

### Claim 12 (depends on 11)

The implantable probe of claim 11, wherein the third and fourth beveled edges each form, relative to the direction of greatest dimension of the sheet, an angle between 30 and 60°.

### Claim 13

A sleeve for stimulation of the vagus nerve, the sleeve comprising:
a sheet of elastically deformable material having a spiral bias so as to allow self-winding of the sheet when unstressed;
at least one detection/stimulation electrode supported by a first face of the sheet;
wherein after winding the sheet comprises an outer lateral edge, an inner lateral edge, and a first transverse edge joining first homologous ends of the outer-lateral edge and of the inner lateral edge, and a second-transverse edge joining second homologous ends of the outer lateral edge and of the inner lateral edge,
wherein the sheet comprises a plurality of perforations located along the first and/or second transverse edge; and
wherein after winding, the plurality of perforations reduce a difference in conductivity between the outer lateral edge and the inner lateral edge.

### Claim 14 (depends on 13)

The sleeve of claim 13, wherein the perforations are triangular in shape.

### Claim 15 (depends on 14)

The sleeve of claim 14, wherein the triangles have rounded corners.

### Claim 16 (depends on 13)

The sleeve of claim 13, wherein the perforations are substantially round in shape.

### Claim 17 (depends on 13)

The sleeve of claim 13, wherein the perforations are located in at least one zone extending up to 25% of the width of the sheet in proximity to the first and/or second transverse edge, the width of the sheet being defined by the distance between the first and the second transverse edge.

### Claim 18 (depends on 13)

The sleeve of claim 13, wherein the perforations are formed on the first and/or second transverse edge and form a saw-tooth shape along the first and/or second transverse edge.

### Claim 19 (depends on 13)

The sleeve of claim 13, wherein the outer lateral edge is, at both ends, connected to the two transverse edges via a respective bevel edge forming an oblique angle with respect to the direction of the largest dimension of the sheet.

### Claim 20 (depends on 13)

The sleeve of claim 13, wherein the bevel edge extends over 15 to 60% of the extent of the sheet in the direction of its largest dimension.