# US 2014/0155978 A1 · Cuff assembly

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- Number: US 2014/0155978 A1
- Document ID: US20140155978A1
- Status: Published application
- Kind: A1
- Application number: 14/174,619
- Filed: 2014-02-06
- Published: 2014-06-05
- Earliest claimed: 2009-10-16
- Assignees: Hanger, Inc.
- Applicants: Hanger, Inc.
- Inventors: Joseph P. Moser; David Nieves; Mary-Kate Ennis
- Web page: https://patentgrep.com/patent/US20140155978A1

## CPC

- A61N 1/0484: {Garment electrodes worn by the patient}
- A61N 1/0456: {Specially adapted for transcutaneous electrical nerve stimulation [TENS]}
- A61N 1/0472: {Structure-related aspects}
- A61N 1/36003: {of motor muscles, e.g. for walking assistance}
- A61N 1/0452: {Specially adapted for transcutaneous muscle stimulation [TMS]}
- A61N 1/0492: {Patch electrodes (A61N1/0412, A61N1/0428 take precedence)}
- 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

A cuff assembly includes a frame assembly configured to be positioned about a limb of a user and support a functional electrical stimulation system, and an over center closure mechanism coupled to the frame assembly and configured to secure the frame assembly relative to the limb, the over center closure mechanism being located on a medial side of the limb when the frame assembly is positioned about the limb.

## Claims

### Claim 1

A functional electrical stimulation system comprising:
a frame assembly configured to be positioned about a lower leg of a user;
a liner coupled to an inner surface of the frame assembly, the liner including a locating guide configured to align with a tibial crest of the lower leg of the user when the frame assembly is positioned about the lower leg of the user;
an electrode assembly positioned on an inner surface of the liner; and
a control unit supported by the frame assembly, the control unit configured to provide functional electrical stimulation to a neuromuscular system of the user through the electrode assembly.

### Claim 2 (depends on 1)

The system of claim 1, wherein the electrode assembly is repositionable along the inner surface of the liner.

### Claim 3 (depends on 2)

The system of claim 2, wherein the inner surface of the liner and a surface of the electrode assembly comprise at least one of hook and loop material to facilitate securing the electrode assembly to the inner surface of the liner in a repositionable manner.

### Claim 4 (depends on 1)

The system of claim 1, wherein the locating guide is positioned along a top edge of the liner.

### Claim 5 (depends on 4)

The system of claim 4, wherein the locating guide is formed of a material having a different color than the liner.

### Claim 6 (depends on 1)

The system of claim 1, wherein the frame assembly is symmetric about a line of symmetry extending along a length of the frame assembly such that the system can be used on a left leg or a right leg of the user.

### Claim 7 (depends on 1)

The system of claim 1, further comprising a closure mechanism coupled to the frame assembly and configured to secure the frame assembly relative to the lower leg of the user, wherein the closure mechanism includes a strap assembly.

### Claim 8 (depends on 7)

The system of claim 7, wherein the strap assembly includes a control unit cover that forms a recess to receive the control unit.

### Claim 9

A cuff assembly comprising:
a frame assembly configured to be positioned about a lower leg of a user and to support a control unit, the frame assembly is symmetric about a line of symmetry extending along a length of the frame assembly such that the frame assembly can be used on a left leg or a right leg of the user;
a liner coupled to an inner surface of the frame assembly, the liner including a locating guide configured to align with a tibial crest of the lower leg of the user when the frame assembly is positioned about the lower leg of the user; and
an electrode assembly positioned on an inner surface of the liner.

### Claim 10 (depends on 9)

The cuff assembly of claim 9, wherein the electrode assembly is repositionable along the inner surface of the liner.

### Claim 11 (depends on 10)

The cuff assembly of claim 10, wherein the inner surface of the liner and a surface of the electrode assembly comprise at least one of hook and loop material to facilitate securing the electrode assembly to the inner surface of the liner in a repositionable manner.

### Claim 12 (depends on 9)

The cuff assembly of claim 9, wherein the locating guide is positioned along a top edge of the liner.

### Claim 13 (depends on 12)

The cuff assembly of claim 12, wherein the locating guide is formed of a material having a different color than the liner.

### Claim 14 (depends on 9)

The cuff assembly of claim 9, further comprising a closure mechanism coupled to the frame assembly and configured to secure the frame assembly relative to the lower leg of the user, wherein the closure mechanism includes a strap assembly.

### Claim 15 (depends on 14)

The system of claim 14, wherein the strap assembly includes a control unit cover that forms a recess to receive the control unit.

### Claim 16

A liner assembly for a cuff assembly comprising:
a liner having configured to be positioned about a lower leg of a user, the liner including an inner surface, an outer surface, and a top edge;
a locating guide positioned along the top edge of the liner and configured to align with a tibial crest of the lower leg of the user when the liner is positioned about the lower leg of the user;
an electrode locator removably coupled to the inner surface of the liner;

### Claim 17 (depends on 16)

The liner assembly of claim 16, wherein the outer surface of the liner comprises at least one of hook and loop material.

### Claim 18 (depends on 16)

The liner assembly of claim 16, wherein the liner includes a grove or a notch located to align with the tibial crest of the lower leg of the user when the liner assembly is positioned about the lower leg of the user.

### Claim 19 (depends on 16)

The liner assembly of claim 16, wherein the locating guide is formed of a material having a different color than the liner.

### Claim 20 (depends on 16)

The liner assembly of claim 16, wherein the inner surface of the liner and a surface of the electrode locator comprise at least one of hook and loop material to facilitate removably securing the electrode locator to the inner surface of the liner in a repositionable manner.
