# US 11,077,298 B2 · Partially woven expandable members

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- Number: US 11,077,298 B2
- Document ID: US11077298B2
- Status: Granted
- Kind: B2
- Application number: 17/018,887
- Filed: 2020-09-11
- Published: 2021-01-07
- Granted: 2021-08-03
- Earliest claimed: 2018-08-13
- Assignees: Cardionomic, Inc.
- Applicants: Cardionomic, Inc.
- Inventors: Steven L. Waldhauser; Todd Alan Kerkow; Alan David Eskuri
- Web page: https://patentgrep.com/patent/US11077298B2

## CPC

- A61B 5/6858: {with a distal basket, e.g. expandable basket}
- A61B 18/1492: {having a flexible, catheter-like structure, e.g. for heart ablation (A61B18/1477 takes precedence)}
- A61B 34/25: {User interfaces for surgical systems}
- A61N 1/0551: {Spinal or peripheral nerve electrodes}
- A61N 1/0553: {Paddle shaped electrodes, e.g. for laminotomy}
- A61N 1/0558: {Anchoring or fixation means therefor}
- A61N 1/3605: {Implantable neurostimulators for stimulating central or peripheral nerve system}
- A61N 1/368: comprising more than one electrode co-operating with different heart regions {(A61N1/3622, A61N1/3627 take precedence)}
- A61B 2017/00106: {ultrasonic}
- A61B 2018/0016: {Energy applicators arranged in a two- or three dimensional array}
- A61B 2018/00214: {Expandable means emitting energy, e.g. by elements carried thereon}
- A61B 2018/0022: {Balloons}
- A61B 2018/00267: {having a basket shaped structure}
- A61B 2018/00279: {deployable}
- A61B 2018/00285: {Balloons}
- A61B 2018/00351: {Heart}
- A61B 2018/00434: {Neural system}
- A61B 2018/00791: {Temperature}
- A61B 2018/00839: {Bioelectrical parameters, e.g. ECG, EEG}
- A61B 2018/1467: {using more than two electrodes on a single probe}
- A61M 25/09: Guide wires
- A61M 25/1011: {Multiple balloon catheters}
- A61N 1/36542: {controlled by body motion, e.g. acceleration}
- A61N 1/3655: {controlled by body or blood temperature}
- A61N 1/36557: {controlled by chemical substances in blood}
- A61N 1/36564: {controlled by blood pressure}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- 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)
- A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)}

## Abstract

A system for application of neurostimulation includes an outer sheath, an elongate inner member in the outer sheath and movable relative to the outer sheath. The inner lumen has a distal end. An expandable member is coupled to the distal end of the inner member and is in the outer sheath. The expandable member is self-expanding upon from a compressed state in the outer sheath to an expanded state out of the outer sheath. The expandable member includes a distal portion including a plurality of wires woven together and a proximal portion including the plurality of wires extending parallel to a longitudinal axis. The system includes a plurality of electrode assemblies outward of the expandable member and circumferentially spaced around the expandable member. Each electrode assembly is coupled to two of the wires extending parallel to the longitudinal axis. Each electrode assembly includes a plurality of longitudinally-spaced electrodes.

## Claims

### Claim 1

A partially braided expandable member for supporting an electrode array, the expandable member being self-expanding between a compressed state and an expanded state, the expandable member comprising:
a proximal end;
a distal end;
a longitudinal axis;
a distal segment comprising a plurality of wires, each wire of the plurality of wires having a bend including a wire segment on each side of the bend,
the bends defining the distal end of the expandable member,
the wire segments braided together from the distal end of the expandable member towards the proximal end of the expandable member,
wherein the distal segment comprises a first portion having a braid property and a second portion having a second braid property different than the first braid property, wherein the first braid property comprises braid angle and the second braid property comprises braid angle, and
wherein the second braid angle is greater than the first braid angle; and
a proximal segment proximal to the distal segment, the proximal segment comprising the plurality of wires,
the plurality of wires extending parallel to the longitudinal axis,
half of the wires of the plurality of wires being truncated distal to the proximal end of the expandable member and an other half of the wires of the plurality of wires defining the proximal end of the expandable member,
the other half of the wires of the plurality of wires bending towards the longitudinal axis to form spokes and bending parallel to the longitudinal axis for attachment to an elongate member,
wherein end portions of the plurality of wires in the proximal segment are positioned in side-by-side pairs parallel to the longitudinal axis,
wherein one end portion of each pair of side-by-side wires is truncated distal to a proximal end of the expandable member,
wherein an other end portion of each pair of side-by-side wires extends radially inwardly to a proximal hub system to form the spokes, and
wherein the spokes are perpendicular to the longitudinal axis.

### Claim 2 (depends on 1)

The expandable member of claim 1, wherein the distal segment has a constant diameter.

### Claim 3 (depends on 1)

The expandable member of claim 1, wherein the other half of the wires of the plurality of wires extends to a proximal hub system, wherein the proximal hub system comprises:
an outer band;
an inner band radially inward of the outer band; and
an adapter including a first longitudinal segment radially inward of the outer band and a second longitudinal segment radially inward of the inner band, the other end portions of the wires radially inward of the inner band.

### Claim 4

A partially braided expandable member for supporting an electrode array, the expandable member being self-expanding between a compressed state and an expanded state, the expandable member comprising:
a proximal end;
a distal end;
a longitudinal axis;
a distal segment comprising a plurality of wires, each wire of the plurality of wires having a bend including a wire segment on each side of the bend,
the bends defining the distal end of the expandable member,
the wire segments braided together from the distal end of the expandable member towards the proximal end of the expandable member,
wherein the distal segment comprises a first portion having a braid property and a second portion having a second braid property different than the first braid property; and
a proximal segment proximal to the distal segment, the proximal segment comprising the plurality of wires,
the plurality of wires extending parallel to the longitudinal axis,
a first quantity of the wires of the plurality of wires being truncated distal to the proximal end of the expandable member and a second quantity of the wires of the plurality of wires defining the proximal end of the expandable member,
the second quantity of the wires of the plurality of wires bending towards the longitudinal axis to form spokes and bending parallel to the longitudinal axis for attachment to an elongate member,
wherein end portions of the plurality of wires in the proximal segment are positioned in side-by-side pairs parallel to the longitudinal axis,
wherein one end portion of each pair of side-by-side wires is truncated distal to a proximal end of the expandable member, wherein an other end portion of each pair of side-by-side wires extends radially inwardly to a proximal hub system to form the spokes, and wherein the spokes are perpendicular to the longitudinal axis.

### Claim 5 (depends on 4)

The expandable member of claim 4, wherein the first braid property comprises braid angle and the second braid property comprises braid angle, and wherein the second braid angle is greater than the first braid angle.

### Claim 6 (depends on 4)

The expandable member of claim 4, further comprising polymer tubing covering at least a portion of each pair of side-by-side wires.

### Claim 7 (depends on 4)

The expandable member of claim 4, wherein the second quantity of the wires of the plurality of wires extends to a proximal hub system, wherein the proximal hub system comprises:
an outer band;
an inner band radially inward of the outer band; and
an adapter including a first longitudinal segment radially inward of the outer band and a second longitudinal segment radially inward of the inner band, the other end portions of the wires radially inward of the inner band.

### Claim 8 (depends on 4)

The expandable member of claim 4,
wherein the first braid property comprises braid angle and the second braid property comprises braid angle,
wherein one end portion of each pair of side-by-side wires is truncated distal to a proximal end of the expandable member,
wherein an other end portion of each pair of side-by-side wires extends radially inwardly to a proximal hub system to form the spokes,
wherein the second quantity of the wires of the plurality of wires extends to a proximal hub system, and
further comprising polymer tubing covering at least a portion of each pair of side-by-side wires.

### Claim 9

A partially intertwined expandable member for supporting an electrode array, the expandable member being self-expanding between a compressed state and an expanded state, the expandable member comprising:
a proximal end;
a distal end;
a longitudinal axis;
a distal segment comprising a plurality of wires, each wire of the plurality of wires having a bend including a wire segment on each side of the bend,
the bends defining the distal end of the expandable member,
the wire segments intertwined together from the distal end of the expandable member towards the proximal end of the expandable member; and
a proximal segment proximal to the distal segment, the proximal segment comprising the plurality of wires,
the plurality of wires extending parallel to the longitudinal axis,
a first portion of the wires of the plurality of wires being truncated distal to the proximal end of the expandable member and a second portion of the wires of the plurality of wires defining the proximal end of the expandable member,
the second portion of the wires of the plurality of wires bending towards the longitudinal axis to form spokes and bending parallel to the longitudinal axis for attachment to an elongate member,
wherein end portions of the plurality of wires in the proximal segment are positioned in side-by-side pairs parallel to the longitudinal axis,
wherein one end portion of each pair of side-by-side wires is truncated distal to a proximal end of the expandable member.

### Claim 10 (depends on 9)

The expandable member of claim 9, wherein the distal segment comprises a first segment having a braid property and a second segment having a second braid property different than the first braid property.

### Claim 11 (depends on 10)

The expandable member of claim 10, wherein the first braid property comprises braid angle and the second braid property comprises braid angle, and wherein the second braid angle is greater than the first braid angle.

### Claim 12 (depends on 9)

The expandable member of claim 9, wherein an other end portion of each pair of side-by-side wires extends radially inwardly to a proximal hub system to form the spokes.

### Claim 13 (depends on 12)

The expandable member of claim 12, wherein the spokes are perpendicular to the longitudinal axis.

### Claim 14 (depends on 9)

The expandable member of claim 9, further comprising polymer tubing covering at least a portion of each pair of side-by-side wires.

### Claim 15 (depends on 9)

The expandable member of claim 9, wherein the second portion of the wires of the plurality of wires extends to a proximal hub system.

### Claim 16 (depends on 15)

The expandable member of claim 15, wherein the proximal hub system comprises:
an outer band;
an inner band radially inward of the outer band; and
an adapter including a first longitudinal segment radially inward of the outer band and a second longitudinal segment radially inward of the inner band, the other end portions of the wires radially inward of the inner band.

### Claim 17 (depends on 9)

The expandable member of claim 9,
wherein the distal segment comprises a first segment having a braid property and a second segment having a second braid property different than the first braid property,
wherein the first braid property comprises braid angle and the second braid property comprises braid angle,
wherein the second braid angle is greater than the first braid angle,
wherein the second portion of the wires of the plurality of wires extends to a proximal hub system.

### Claim 18

A partially braided expandable member for supporting an electrode array, the expandable member being self-expanding between a compressed state and an expanded state, the expandable member comprising:
a proximal end;
a distal end;
a longitudinal axis;
a distal segment comprising a plurality of wires, each wire of the plurality of wires having a bend including a wire segment on each side of the bend,
the bends defining the distal end of the expandable member,
the wire segments braided together from the distal end of the expandable member towards the proximal end of the expandable member,
wherein the distal segment comprises a first portion having a braid property and a second portion having a second braid property different than the first braid property; and
a proximal segment proximal to the distal segment, the proximal segment comprising the plurality of wires,
the plurality of wires extending parallel to the longitudinal axis,
a first quantity of the wires of the plurality of wires being truncated distal to the proximal end of the expandable member and a second quantity of the wires of the plurality of wires defining the proximal end of the expandable member,
the second quantity of the wires of the plurality of wires bending towards the longitudinal axis to form spokes and bending parallel to the longitudinal axis for attachment to an elongate member,
wherein end portions of the plurality of wires in the proximal segment are positioned in side-by-side pairs parallel to the longitudinal axis,
wherein the first braid property comprises braid angle and the second braid property comprises braid angle,
wherein one end portion of each pair of side-by-side wires is truncated distal to a proximal end of the expandable member,
wherein an other end portion of each pair of side-by-side wires extends radially inwardly to a proximal hub system to form the spokes,
wherein the second quantity of the wires of the plurality of wires extends to a proximal hub system, and
further comprising polymer tubing covering at least a portion of each pair of side-by-side wires.

### Claim 19 (depends on 18)

The expandable member of claim 18, wherein the second braid angle is greater than the first braid angle.

### Claim 20 (depends on 18)

The expandable member of claim 18, wherein the proximal hub system comprises:
an outer band;
an inner band radially inward of the outer band; and
an adapter including a first longitudinal segment radially inward of the outer band and a second longitudinal segment radially inward of the inner band, the other end portions of the wires radially inward of the inner band.

### Claim 21

A partially intertwined expandable member for supporting an electrode array, the expandable member being self-expanding between a compressed state and an expanded state, the expandable member comprising:
a proximal end;
a distal end;
a longitudinal axis;
a distal segment comprising a plurality of wires, each wire of the plurality of wires having a bend including a wire segment on each side of the bend,
the bends defining the distal end of the expandable member,
the wire segments intertwined together from the distal end of the expandable member towards the proximal end of the expandable member; and
a proximal segment proximal to the distal segment, the proximal segment comprising the plurality of wires,
the plurality of wires extending parallel to the longitudinal axis,
a first portion of the wires of the plurality of wires being truncated distal to the proximal end of the expandable member and a second portion of the wires of the plurality of wires defining the proximal end of the expandable member,
the second portion of the wires of the plurality of wires bending towards the longitudinal axis to form spokes and bending parallel to the longitudinal axis for attachment to an elongate member,
wherein the distal segment comprises a first segment having a braid property and a second segment having a second braid property different than the first braid property,
wherein the first braid property comprises braid angle and the second braid property comprises braid angle,
wherein the second braid angle is greater than the first braid angle,
wherein end portions of the plurality of wires in the proximal segment are positioned in side-by-side pairs parallel to the longitudinal axis,
wherein one end portion of each pair of side-by-side wires is truncated distal to a proximal end of the expandable member,
wherein an other end portion of each pair of side-by-side wires extends radially inwardly to a proximal hub system to form the spokes, and
wherein the second portion of the wires of the plurality of wires extends to the proximal hub system.

### Claim 22 (depends on 21)

The expandable member of claim 21, wherein the spokes are perpendicular to the longitudinal axis.

### Claim 23 (depends on 21)

The expandable member of claim 21, further comprising polymer tubing covering at least a portion of each pair of side-by-side wires.

### Claim 24 (depends on 21)

The expandable member of claim 21, wherein the proximal hub system comprises:
an outer band;
an inner band radially inward of the outer band; and
an adapter including a first longitudinal segment radially inward of the outer band and a second longitudinal segment radially inward of the inner band, the other end portions of the wires radially inward of the inner band.