# US 11,026,795 B2 · Graft collection and containment system for bone defects

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- Number: US 11,026,795 B2
- Document ID: US11026795B2
- Status: Granted
- Kind: B2
- Application number: 15/681,032
- Filed: 2017-08-18
- Published: 2017-11-30
- Granted: 2021-06-08
- Earliest claimed: 2010-11-15
- Assignees: DePuy Synthes Products, Inc.
- Applicants: DePuy Synthes Products, Inc.
- Inventors: George Mikhail; Ross Hamel
- Web page: https://patentgrep.com/patent/US11026795B2

## CPC

- A61F 2/2846: {Support means for bone substitute or for bone graft implants, e.g. membranes or plates for covering bone defects (nets or sleeves applied to surface of endoprostheses A61F2/30907; bone plates A61B17/80; bone regeneration in dental surgery A61C8/0006)}
- A61B 10/02: Instruments for taking cell samples or for biopsy {(A61B10/0038 and A61B10/0045 take precedence; needle locating or guiding means A61B17/3403; samplers for enzymology or microbiology C12M1/26; sampling or preparing biological specimens G01N33/48)}
- A61F 2/2803: {for mandibular reconstruction (temporo-mandibular joints A61F2/3099; bone plates for the jaw A61B17/8071)}
- 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 2010/0258: {Marrow samples}
- A61F 2002/2825: {Femur}
- A61F 2002/2835: {Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material}
- A61F 2002/30062: {(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive}
- A61F 2002/30235: {tubular, e.g. sleeves}
- A61F 2002/30462: {retained or tied with a rope, string, thread, wire or cable}
- A61F 2002/30471: {connected by a hinged linkage mechanism, e.g. of the single-bar or multi-bar linkage type}
- A61F 2002/30578: {having apertures, e.g. for receiving fixation screws}
- A61F 2002/30599: {stackable}
- A61F 2002/30784: {Plurality of holes}
- A61F 2002/30909: {Nets}
- A61F 2002/30948: {using computerized tomography, i.e. CT scans}
- A61F 2002/30975: {made of two halves}
- A61F 2002/4685: {by means of vacuum}
- A61F 2310/00041: Magnesium or Mg-based alloys
- A61F 2310/00179: Ceramics or ceramic-like structures
- A61F 2310/00359: Bone or bony tissue
- A61F 2310/00365: Proteins; Polypeptides; Degradation products thereof
- 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)
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

A device for containing bone graft material comprises a body including an inner sleeve extending longitudinally from a proximal end to a distal end and an outer sleeve surrounding the inner sleeve and extending longitudinally from a proximal end to a distal end such that a bone graft collecting space is formed therebetween.

## Claims

### Claim 1

A device for containing bone graft material, comprising:
a first shell member defining a first portion of an inner sleeve and a first portion of an outer sleeve to form a first bone graft collecting space therebetween;
a second shell member defining a second portion of the inner sleeve and a second portion of the outer sleeve to form a second bone graft collecting space therebetween, the first portion of the inner sleeve and the first portion of the outer sleeve of the first shell being openable and closable relative to the second portion of the inner sleeve and the second portion of the outer sleeve of the second shell such that, in a closed configuration, a contour of the outer sleeve substantially matches a contour of an exterior of a bone about which the device is to be employed.

### Claim 2 (depends on 1)

The device of claim 1, wherein the first and second shell members are coupled to one another via a bioresorbable suture.

### Claim 3 (depends on 1)

The device of claim 1, wherein the first and second shell member are coupled to one another via a hinge such that the first and second shell members are movable relative to one another between an open configuration and the closed configuration.

### Claim 4 (depends on 3)

The device of claim 3, wherein the hinge is a bonded flexible PLA strip.

### Claim 5 (depends on 1)

The device of claim 1, wherein the inner sleeve is formed of a flexible material.

### Claim 6 (depends on 5)

The device of claim 5, wherein the flexible material is polycaprolactone.

### Claim 7 (depends on 1)

The device of claim 1, further comprising a tab extending from one of the proximal and distal ends of the outer sleeve.

### Claim 8 (depends on 7)

The device of claim 7, wherein the tab includes an opening extending therethrough, the opening sized and shaped to receive a fixation element therethrough for fixing the outer sleeve to the bone.

### Claim 9 (depends on 1)

The device of claim 1, further comprising a flexible cuff attached to one of the proximal and distal ends of the outer sleeve configured to extend about an end of a portion of bone to which the device is to be coupled.

### Claim 10 (depends on 1)

The device of claim 1, wherein, when the body is in the closed configuration, a contour of the inner sleeve substantially matches a contour of the medullary canal of a bone in which the device is to be employed.

### Claim 11 (depends on 1)

The device of claim 1, wherein at least one of the inner and outer sleeves includes a plurality of openings extending therethrough sized to permit fluids to pass therethrough while preventing the passage of bone graft material therethrough.

### Claim 12 (depends on 1)

The device of claim 1, wherein one of the inner and outer sleeves includes a plurality of slits extending through a portion of a circumference thereof to permit the device to flex along a longitudinal axis thereof.

### Claim 13 (depends on 1)

The device of claim 1, wherein the first shell member further defines a first longitudinal portion joining the first portions of the inner sleeve and the outer sleeve and the second shell member further defines a second longitudinal portion joining the second portions of the inner sleeve and the outer sleeve, the first and second longitudinal portions defining a distance between the inner sleeve and the outer sleeve.