# US 10,945,850 B2 · Interconnected implants and methods

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 10,945,850 B2
- Document ID: US10945850B2
- Status: Granted
- Kind: B2
- Application number: 16/442,429
- Filed: 2019-06-14
- Published: 2020-04-30
- Granted: 2021-03-16
- Earliest claimed: 2018-10-25
- Assignees: Revision Technologies LLC
- Applicants: Revision Technologies LLC
- Inventors: George J. Haidukewych; Daniel F. Justin
- Web page: https://patentgrep.com/patent/US10945850B2

## CPC

- A61F 2/30739: {Devices connected to the proximal part of an endoprosthetic femoral shaft for reinforcing or replacing the trochanters, e.g. the greater trochanter (proximal parts of endoprosthetic femoral shafts A61F2/367; non-prosthetic trochanteric devices A61B17/74)}
- A61F 2/3609: {Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts (A61F2/3601 takes precedence)}
- A61B 17/7233: {with special means of locking the nail to the bone}
- A61B 17/744: {the longitudinal elements coupled to an intramedullary nail}
- A61B 17/8061: {specially adapted for particular bones (A61B17/70 and A61B17/74 take precedence)}
- A61F 2/3601: {for replacing only the epiphyseal or metaphyseal parts of the femur, e.g. endoprosthetic femoral heads or necks directly fixed to the natural femur by internal fixation devices (non-prosthetic internal fixation devices for the femoral head or neck A61B17/74)}
- A61F 2/367: {Proximal or metaphyseal parts of shafts (trochanteric devices connected to said proximal parts A61F2/30739)}
- A61F 2/4603: {for insertion or extraction of endoprosthetic joints or of accessories thereof}
- A61F 2002/30332: {Conically- or frustoconically-shaped protrusion and recess}
- A61F 2002/3611: {Heads or epiphyseal parts of femur}
- A61F 2002/3625: {Necks}
- A61F 2002/365: {Connections of heads to necks}
- A61F 2002/3652: {Connections of necks to shafts}
- 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

An apparatus, system, and method may be used to replace a natural or artificial articular surface of a joint, and to repair a bone that is associated with the joint. In some embodiments, the apparatus, system, and method may include a joint replacement prosthesis with a prosthetic articular surface, a support structure securable to the bone, and a first attachment interface. The system may also include a bone plate with a bone engagement surface securable to the bone on either side of a fracture formed in the bone, or a damaged area of the bone. The bone plate may include a second attachment interface that is attachable to the first attachment interface of the joint replacement prosthesis in order to couple the bone plate to the joint replacement prosthesis.

## Claims

### Claim 1

A system for replacing a natural or artificial articular surface of a joint and for repairing a bone associated with the joint, the system comprising:
a joint replacement prosthesis comprising:
a prosthetic articular surface;
a support structure securable to the bone; and
a first attachment interface;
a bone plate comprising:
a bone engagement surface securable to the bone on either side of a fracture formed in the bone; and
a second attachment interface that is attachable to the first attachment interface of the joint replacement prosthesis in order to couple the bone plate to the joint replacement prosthesis; and
a fastening system configured to engage the second attachment interface with the first attachment interface and couple the bone plate to the joint replacement prosthesis;
wherein:
the second attachment interface of the bone plate is attachable to the first attachment interface of the joint replacement prosthesis:
at any of a first plurality of relative orientations about a first axis; and
at any of a second plurality of relative orientations about a second axis orthogonal to the first axis;
the first attachment interface comprises an outwardly protruding feature having a first round shape with a first radius;
the second attachment interface comprises a recess having a second round shape with a second radius; and
the second generally semispherical shape of the recess is complementary to the first generally semispherical shape of the dome.

### Claim 2 (depends on 1)

The system of claim 1, wherein the joint replacement prosthesis comprises at least one of:
a femoral joint replacement prosthesis;
a tibial joint replacement prosthesis;
a fibular joint replacement prosthesis;
a humeral joint replacement prosthesis;
a clavicle joint replacement prosthesis;
a radial joint replacement prosthesis;
an ulnar joint replacement prosthesis;
a digital joint replacement prosthesis; and
an intramedullary nail.

### Claim 3 (depends on 1)

The system of claim 1, wherein the bone plate further comprises:
at least one arm extending proximate the second attachment interface;
at least one central expanse coupled to the at least one arm; and
at least one bone engagement feature coupled to the at least one central expanse,
wherein one or more of the at least one arm, the at least one central expanse, and the at least one bone engagement feature is bendable, such that
the one or more of the at least one arm, the at least one central expanse, and the at least one bone engagement feature can be shaped to conform to at least one surface of the bone.

### Claim 4 (depends on 3)

The system of claim 3,
wherein the at least one central expanse further comprises an aperture formed in the at least one central expanse in order to facilitate flexure of the at least one central expanse so that the at least one central expanse can be shaped to conform to the at least one surface of the bone, and
the at least one central expanse is securable to the bone on:
a first side of the fracture that is formed in the bone, via a first bone engagement feature; and
a second side of the fracture that is formed in the bone, via a second bone engagement feature.

### Claim 5 (depends on 3)

The system of claim 3, wherein the at least one arm is configured to allow the at least one central expanse to translate with respect to the at least one arm to in order to compress the at least one central expanse against the at least one surface of the bone.

### Claim 6 (depends on 1)

The system of claim 1, wherein the first attachment interface and the second attachment interface are further configured to allow for rotational adjustment of the bone plate with respect to the joint replacement prosthesis.

### Claim 7 (depends on 1)

The system of claim 1, wherein:
the outwardly projecting feature comprises a dome;
the first round shape comprises a first generally semispherical shape; and
the second round shape comprises a second generally semispherical shape.

### Claim 8

An apparatus for replacing a natural or artificial articular surface of a hip joint and for repairing a greater trochanter of a femur associated with the hip joint, the apparatus comprising:
a hip prosthesis comprising:
a neck that is securable to the femur associated with the hip joint;
an arm coupled to the neck;
a prosthetic ball comprising an articular surface, wherein the prosthetic ball is couplable to the arm of the hip prosthesis; and
a first attachment interface formed on a superior surface of the hip prosthesis;
a bone plate comprising:
a bone engagement surface that is securable to the greater trochanter of the femur on either side of a fracture formed in the greater trochanter of the femur; and
a second attachment interface that is attachable to the first attachment interface of the hip prosthesis in order to couple the bone plate to the hip prosthesis; and
a fastening system configured to engage the second attachment interface with the first attachment interface and couple the bone plate to the hip prosthesis;
wherein:
the second attachment interface of the bone plate is attachable to the first attachment interface of the hip prosthesis:
at any of a first plurality of relative orientations about a first axis; and
at any of a second plurality of relative orientations about a second axis orthogonal to the first axis;
the first attachment interface comprises an outwardly protruding feature having a first round shape with a first radius;
the second attachment interface comprises a recess having a second round shape with a second radius; and
the second generally semispherical shape of the recess is complementary to the first generally semispherical shape of the dome.

### Claim 9 (depends on 8)

The apparatus of claim 8, wherein the bone plate further comprises:
at least one arm extending proximate the second attachment interface;
at least one central expanse coupled to the at least one arm; and
at least one bone engagement feature coupled to the at least one central expanse,
wherein one or more of the at least one arm, the at least one central expanse, and the at least one bone engagement feature is bendable, such that
the one or more of the at least one arm, the at least one central expanse, and the at least one bone engagement feature can be shaped to conform to at least one surface of the greater trochanter of the femur.

### Claim 10 (depends on 9)

The apparatus of claim 9,
wherein the at least one central expanse further comprises an aperture formed in the at least one central expanse in order to facilitate flexure of the at least one central expanse so that the at least one central expanse can be shaped to conform to the at least one surface of the greater trochanter of the femur, and
the at least one central expanse is securable to the bone on:
a first side of the fracture that is formed in the greater trochanter of the femur, via a first bone engagement feature; and
a second side of the fracture that is formed in the greater trochanter of the femur, via a second bone engagement feature.

### Claim 11 (depends on 9)

The apparatus of claim 9, wherein the at least one arm is configured to allow the at least one central expanse to translate with respect to the at least one arm to in order to compress the at least one central expanse against the at least one surface of the greater trochanter of the femur.

### Claim 12 (depends on 8)

The apparatus of claim 8, wherein the first attachment interface and the second attachment interface are further configured to allow for rotational adjustment of the bone plate with respect to the hip prosthesis.

### Claim 13 (depends on 12)

The apparatus of claim 12, wherein the first attachment interface and the second attachment interface are configured to allow for discrete rotational adjustments of the bone plate with respect to the hip prosthesis from among a plurality of different discrete rotational positions.

### Claim 14 (depends on 12)

The apparatus of claim 12, wherein the first attachment interface and the second attachment interface are configured to allow for an infinite number of rotational adjustment positions between the bone plate and the hip prosthesis.

### Claim 15 (depends on 14)

The method of claim 14, wherein:
the outwardly projecting feature comprises a dome;
the first round shape comprises a first generally semispherical shape; and
the second round shape comprises a second generally semispherical shape.

### Claim 16

A method of replacing a natural or artificial articular surface of a joint and repairing a bone associated with the joint, the method comprising:
coupling a joint replacement prosthesis to the bone associated with the joint;
replacing an articular surface of the joint with a prosthetic articular surface of the joint replacement prosthesis coupled to the bone associated with the joint;
coupling a bone plate to the joint replacement prosthesis;
securing the bone plate proximate a damaged area of the bone to facilitate repair of the damaged area of the bone associated with the joint; and
with a fastening system, engaging a second attachment interface of the bone plate with a first attachment interface of the joint replacement prosthesis to couple the bone plate to the joint replacement prosthesis:
at any of a first plurality of relative orientations about a first axis; and
at any of a second plurality of relative orientations about a second axis orthogonal to the first axis;
wherein:
the first attachment interface comprises an outwardly protruding feature having a first round shape with a first radius;
the second attachment interface comprises a recess having a second round shape with a second radius; and
the second generally semispherical shape of the recess is complementary to the first generally semispherical shape of the dome.

### Claim 17 (depends on 16)

The method of claim 16, further comprising:
bending at least one of:
an arm of the bone plate;
a central expanse of the bone plate; and
a bone engagement feature of the bone plate, in order to shape the bone plate to conform to at least one surface of the bone associated with the joint.

### Claim 18 (depends on 17)

The method of claim 17, further comprising:
translating the bone plate with respect to the arm of the bone plate; and
compressing the bone plate against at least one surface of the bone associated with the joint prior to securing the bone plate to the bone associated with the joint.

### Claim 19 (depends on 16)

The method of claim 16, further comprising:
rotating the bone plate to a desired position with respect to the joint replacement prosthesis prior to securing the bone plate to the bone associated with the joint.

### Claim 20 (depends on 16)

The method of claim 16, wherein the joint replacement prosthesis comprises at least one of:
a femoral joint replacement prosthesis;
a tibial joint replacement prosthesis;
a fibular joint replacement prosthesis;
a humeral joint replacement prosthesis;
a clavicle joint replacement prosthesis;
a radial joint replacement prosthesis;
an ulnar joint replacement prosthesis;
a digital joint replacement prosthesis; and
an intramedullary nail.