# US 10,368,933 B2 · Minimally invasive crimp and cable for bone cerclage

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- Number: US 10,368,933 B2
- Document ID: US10368933B2
- Status: Granted
- Kind: B2
- Application number: 15/474,793
- Filed: 2017-03-30
- Published: 2017-07-20
- Granted: 2019-08-06
- Earliest claimed: 2011-07-16
- Assignees: DePuy Synthes Products, Inc.
- Applicants: DePuy Synthes Products, Inc.
- Inventors: Alberto A. Fernandez Dell'Oca
- Web page: https://patentgrep.com/patent/US10368933B2

## CPC

- A61B 17/8869: {Tensioning devices}
- A61B 17/82: for bone cerclage {(apparatus for manipulating wires or straps A61B17/8861; wires, bands or straps other than cerclage A61B17/842)}
- A61B 2090/034: {abutting on parts of the device itself}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

A crimp configured to fix a cable about a bone includes a body extending from a proximal end to a distal end and a first channel extending through the body from the proximal end to the distal end, the first channel being sized and shaped to permit a cable to be slid therethrough along with a second channel extending through the body from the proximal end to the distal end, the second channel being sized and shaped to permit a cable to be slid therethrough and a deformable extension attached to the proximal end of the body, the extension including a lumen aligned with the second channel and sized and shaped to permit the cable to be slid therethrough.

## Claims

### Claim 1

A method for fixing a cable about a bone, comprising:
sliding a proximal end of the cable into a first channel of a crimp through the crimp from a proximal end to a distal end of the crimp until a stop at a distal end of the cable engages the crimp and is prevented from passing therethrough;
looping the cable about a bone and sliding the proximal end of the cable through both a second channel of the crimp and an extension from the distal end to the proximal end of the crimp, the extension being attached to the proximal end of the crimp and including a lumen in alignment with the second channel;
applying a desired tension to the cable such that the cable fixes the bone in a desired position; and
crushing the extension over the cable via a crimping tool such that the cable is fixed at the desired tension.

### Claim 2 (depends on 1)

The method of claim 1, wherein the crimp includes a bevel extending laterally from a bone-abutting surface at a proximal end thereof such that crushing the extension tilts the extension toward the bone.

### Claim 3 (depends on 2)

The method of claim 2, wherein the bevel extends substantially radially outward from the portion of the crimp surrounding the second channel.

### Claim 4 (depends on 2)

The method of claim 2, wherein the bevel includes a curved surface for contacting the bone.

### Claim 5 (depends on 1)

The method of claim 1, wherein the extension is crushed by moving the crimping tool from a first configuration in which the extension is received between first and second portions thereof to a second configuration in which the first and second portions are drawn toward one another.

### Claim 6 (depends on 1)

The method of claim 1, wherein the desired tension is applied to the cable by attaching a tensioning device to a connector of the crimping tool, which received a proximally extending portion of the cable therethrough.

### Claim 7 (depends on 1)

The method of claim 1, wherein the first channel includes an enlarged portion at a proximal end of thecrimp, the enlarged portion sized and shaped to receive a stop at a distal end of the cable.

### Claim 8 (depends on 1)

The method of claim 1, wherein the first and second channels are parallel to one another.

### Claim 9 (depends on 1)

The method of claim 1, wherein the extension is substantially tubular.

### Claim 10

A method for fixing a cable about a bone, comprising:
sliding a proximal end of the cable into a first channel of a crimp through the crimp until a stop at a distal end of the cable enters an enlarged portion of the first channel and engages an end of the enlarged portion preventing the stop from passing through a remaining portion of the first channel;
looping the cable about a bone and sliding the proximal end of the cable through both a second channel of the crimp and a lumen of an extension attached to the proximal end of the crimp, the lumen of the extension being in alignment with the second channel;
applying a desired tension to the cable such that the cable fixes the bone in a desired position;
positioning a crimping tool about the extension so that the extension is received between first and second portions of the crimping tool; and
crushing the extension over the cable via the crimping tool such that the cable is fixed about the bone at the desired tension.

### Claim 11 (depends on 10)

The method of claim 10, wherein the crimp includes a bevel extending laterally from a bone-abutting surface of the crimp at a proximal end thereof such that crushing the extension tilts the extension towards the bone.

### Claim 12 (depends on 11)

The method of claim 11, wherein the bevel extends substantially radially outward from the portion of the crimp surrounding the second channel.

### Claim 13 (depends on 11)

The method of claim 11, wherein the bevel includes a curved surface for contacting the bone.

### Claim 14 (depends on 10)

The method of claim 10, wherein the extension is crushed by moving the crimping tool from a first configuration in which the extension is received between first and second portions thereof to a second configuration in which the first and second portions are drawn toward one another.

### Claim 15 (depends on 10)

The method of claim 10, wherein the desired tension is applied to the cable by attaching a tensioning device to a connector of the crimping tool, which receives a proximally extending portion of the cable therethrough.

### Claim 16 (depends on 10)

The method of claim 10, wherein the first and second channels are parallel to one another.

### Claim 17 (depends on 10)

The method of claim 10, wherein the extension is substantially tubular.
