# US 10,441,332 B2 · Medial distal femur bone plate system

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- Number: US 10,441,332 B2
- Document ID: US10441332B2
- Status: Granted
- Kind: B2
- Application number: 15/605,216
- Filed: 2017-05-25
- Published: 2017-09-14
- Granted: 2019-10-15
- Earliest claimed: 2013-06-26
- Assignees: Stryker European Holdings I, LLC
- Applicants: Stryker European Holdings I, LLC
- Inventors: Steven S. Sands
- Web page: https://patentgrep.com/patent/US10441332B2

## CPC

- A61B 17/8061: {specially adapted for particular bones (A61B17/70 and A61B17/74 take precedence)}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

The current invention comprises a bone plate and method of use contoured to fit above the medial epicondyle that provides numerous apertures for fixation to the distal femur as desired with an offset screw design in shaft to allow location of screws around a nail or other feature and may also allow for attachment in conjunction with a lateral distal plate and or an extension plate that may cover the medial condyle.

## Claims

### Claim 1

A method for internal fixation of fractures and non-unions of a distal femur comprising:
contacting a distal end of a medial distal femur plate with a medial condyle of a femur;
contacting a proximal end of the medial distal femur plate with the medial femur shaft;
inserting a plurality of bone anchors through the medial distal femur plate and into a medial side of the femur such that the medial distal femur plate is secured to the femur exclusively by the plurality of bone anchors, wherein the step of inserting a plurality of bone anchors includes inserting at least one first bone anchor through a first aperture formed through the distal end of the medial distal femur plate and into a medial side of the femur, and inserting at least one second bone anchor through a second aperture formed through the proximal end of the medial distal femur plate and into the medial side of the femur.

### Claim 2

A method for internal fixation of fractures and non-unions of a distal femur comprising:
contacting a distal end of a medial distal femur plate with a medial condyle of a femur;
contacting a proximal end of the medial distal femur plate with the medial femur shaft;
inserting at least one first bone anchor through a first aperture formed through the distal end of the medial distal femur plate and into a medial side of the femur; and
inserting at least one second bone anchor through a second aperture formed through the proximal end of the medial distal femur plate and into the medial side of the femur,
wherein the distal end is wider than the proximal end and includes a first and a second flared portion, the first flared portion extending distally and anteriorly and the second flared portion extending distally and posteriorly such that the distal end conforms to a curvature of the medial condyle.

### Claim 3 (depends on 2)

The method according to claim 2, wherein the step of contacting the distal end includes contacting the distal end of the medial distal femur plate to a magnus tubercle of the medial condyle.

### Claim 4 (depends on 2)

The method according to claim 2, wherein the distal end is concave between the first and second flared portions.

### Claim 5 (depends on 2)

The method according to claim 2, wherein a body of the medial distal femur plate is disposed between the proximal and the distal ends, the distal end extending medially and distally away from the body such that the distal end and the body define a curve conforming to the concave curvature of a medial surface of the distal femur.

### Claim 6 (depends on 5)

The method according to claim 5, wherein the curve is less than or equal to 20 degrees.

### Claim 7 (depends on 5)

The method according to claim 5, wherein the curve is more than 20 degrees.

### Claim 8 (depends on 2)

The method according to claim 2, wherein at least one first bone anchor extends from the medial condyle into the lateral condyle such that a distal end of the first bone anchor is disposed within the lateral condyle.

### Claim 9 (depends on 2)

The method according to claim 2, further comprising the step of attaching a lateral plate to a lateral side of the distal femur.

### Claim 10 (depends on 2)

The method according to claim 2, wherein a length of the medial distal femur plate is at least 15 centimeters.

### Claim 11 (depends on 2)

The method according to claim 2, wherein a length of the medial distal femur plate is less than 15 centimeters.

### Claim 12 (depends on 2)

The method according to claim 2, where the medial distal femur plate is made from titanium.

### Claim 13 (depends on 2)

The method according to claim 2, wherein the medial distal femur plate is made from stainless steel.

### Claim 14 (depends on 2)

The method according to claim 2, wherein the top surface is at a distance of at least 5 millimeters from the bone contacting surface.

### Claim 15 (depends on 2)

The method according to claim 2, wherein the top surface is at a distance of less than 5 millimeters from the bone contacting surface.

### Claim 16 (depends on 2)

The method according to claim 2, wherein the distal end has a width of at least 35 millimeters.

### Claim 17 (depends on 2)

The method according to claim 2, wherein the distal end has a width less than 35 millimeters.

### Claim 18 (depends on 2)

The method according to claim 2, wherein the proximal end has a width of at least 18 millimeters.

### Claim 19 (depends on 2)

The method according to claim 2, wherein the proximal end has a width of less than 18 millimeters.
