# US 11,432,830 B2 · Securing a bone graft to the glenoid bone and implementations thereof

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- Number: US 11,432,830 B2
- Document ID: US11432830B2
- Status: Granted
- Kind: B2
- Application number: 16/765,045
- Filed: 2018-11-14
- Published: 2020-12-31
- Granted: 2022-09-06
- Earliest claimed: 2017-11-14
- Assignees: Conmed Corporation
- Applicants: Conmed Corporation
- Inventors: Adrian Bosworth
- Web page: https://patentgrep.com/patent/US11432830B2

## CPC

- A61B 17/1684: {for the shoulder}
- A61B 17/1778: {for the shoulder}
- A61B 17/1635: {for grafts, harvesting or transplants}
- A61B 17/683: {comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut}
- A61B 17/842: {Flexible wires, bands or straps (A61B17/72, A61B17/82, A61B17/86 take precedence)}
- A61B 17/8861: {Apparatus for manipulating flexible wires or straps (devices for inserting Kirschner wires A61B17/1697)}
- A61B 90/06: {Measuring instruments not otherwise provided for}
- A61B 17/0218: {for minimally invasive surgery (A61B17/0281, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence)}
- A61B 17/8866: {for gripping or pushing bones, e.g. approximators (joint distractors A61B17/025)}
- A61B 2017/0225: {flexible, e.g. fabrics, meshes, or membranes}
- A61B 2090/061: {for measuring dimensions, e.g. length}
- A61F 2/4644: {Preparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material (bone material A61F2/28; disintegrating or milling devices B02C)}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)

## Abstract

A method of securing a bone graft to an anterior surface of a patient's glenoid bone, including drilling first and second bores through a posterior surface to an anterior surface of the glenoid bone; measuring a medial distance of the first bore; transferring the medial distance to a bone block; drilling a third bore based on the medial distance through the bone block to match the first bore; positioning the bone block in contacting relation with the anterior surface of the glenoid bone, and coaxially lining up the third bore with the first bore; positioning a first fastener through the third bore and the first bore; drilling a fourth bore in the bone block by positioning a drill bit through the second bore from the posterior side of the glenoid bone, and extending the drill bit from the first surface of the bone block to the second surface of the bone block; and positioning a second fastener through the fourth bore and the second bore.

## Claims

### Claim 1

A method of securing a bone graft to an anterior surface of a patient's glenoid bone, comprising the steps of:
drilling a first bore through a first portion of a posterior surface to a first portion of an anterior surface of the glenoid bone;
drilling a second bore through a second portion of the posterior surface to a second portion of the anterior surface of the glenoid bone;
measuring a medial distance of the first bore;
transferring the medial distance to a bone block;
drilling a third bore based on the medial distance through a first surface to a second surface, or through a second surface to a first surface, of the bone block to match the first bore;
positioning a first portion of the first surface of the bone block in contacting relation with the first portion of the anterior surface of the glenoid bone, and coaxially lining up the third bore of the bone block with the first bore of the glenoid bone;
positioning a first fastener through the third bore and the first bore;
positioning a second portion of the first surface of the bone block in contacting relation with the second portion of the anterior surface of the glenoid bone;
drilling a fourth bore in the bone block by positioning a drill bit through the second bore from the posterior side of the glenoid bone, and extending the drill bit from a second portion of the first surface of the bone block to the second surface of the bone block; and
positioning a second fastener through the fourth bore and the second bore.

### Claim 2 (depends on 1)

The method of claim 1, further comprising the step of removing soft tissue from the anterior surface of the glenoid bone.

### Claim 3 (depends on 2)

The method of claim 2, further comprising the step of smoothing and flattening the anterior surface of the glenoid bone.

### Claim 4 (depends on 1)

The method of claim 1, wherein the first bore and the second bore are drilled simultaneously.

### Claim 5 (depends on 4)

The method of claim 4, wherein the first bore is an inferior bore and the second bore is a superior bore.

### Claim 6 (depends on 5)

The method of claim 5, wherein the step of measuring a medial distance of the first bore comprises measuring the medial distance of an exit point of the first bore on the anterior side of the glenoid bone when an inferior drill bit positioned therethrough.

### Claim 7 (depends on 1)

The method of claim 1, further comprising the step of threading an implant suture through an aperture in the first fastener and pulling the implant suture through the third bore of bone block from the second surface to the first surface of the bone block.

### Claim 8 (depends on 7)

The method of claim 7, further comprising the step of inserting a passing suture through the first bore from the posterior side of the glenoid bone to the anterior side of the glenoid bone.

### Claim 9 (depends on 8)

The method of claim 8, further comprising the step of implanting the bone block into the patient through an expanding cannula system comprising a roll of film.

### Claim 10 (depends on 9)

The method of claim 9, further comprising the step of grasping a portion of the implant suture by the passing suture and pulling the bone block and the attached fastener through the roll of film so that the first surface of the bone block is in contacting relation to the anterior surface of the glenoid bone and the first fastener is positioned through the third bore and the first bore.

### Claim 11 (depends on 10)

The method of claim 10, wherein the first fastener comprises a cord with a free end and a button affixed to an opposing end with a ratcheted section therebetween, wherein the cord extends through the first bore such that the button rests on the second surface of the bone block and the free end extends posteriorly through and beyond the third bore and the first bore after the step of positioning the first fastener through the third bore and the first bore.

### Claim 12 (depends on 11)

The method of claim 11, further comprising the step of positioning a tensioning lock onto the free end of the cord anteriorly towards the button, wherein in a locked position, the tensioning lock is affixed to the ratcheted section.

### Claim 13 (depends on 1)

The method of claim 1, further comprising the step of securing the bone block to the anterior surface of the glenoid bone after the step of positioning the second portion of the first surface of the bone block in contacting relation with the second portion of the anterior surface of the glenoid bone.

### Claim 14 (depends on 13)

The method of claim 13, wherein the step of securing comprises the step of extending a hook of a drill system in contacting relation to the second surface of the bone block and applying a force against the second surface of the bone block.

### Claim 15 (depends on 1)

The method of claim 1, further comprising the step of threading an implant suture through an aperture in the second fastener.

### Claim 16 (depends on 15)

The method of claim 15, further comprising the step of inserting a passing suture through the second bore and the fourth bore from the posterior side of the glenoid bone to the second side of the bone block.

### Claim 17 (depends on 16)

The method of claim 16, further comprising the step of grasping a portion of the implant suture by the passing suture and pulling the attached fastener so that the first fastener is positioned through the fourth bore and the second bore.

### Claim 18 (depends on 17)

The method of claim 17, wherein the second fastener comprises a cord with a free end and a button affixed to an opposing end with a ratcheted section therebetween, wherein the cord extends through the second bore such that the button rests on the second surface of the bone block and the free end extends posteriorly through and beyond the fourth bore and the second bore after the step of positioning the second fastener through the fourth bore and the second bore.

### Claim 19 (depends on 18)

The method of claim 18, further comprising the step of positioning a tensioning lock onto the free end of the cord anteriorly towards the button, wherein in a locked position, the tensioning lock is affixed to the ratcheted section.
