Medial trochanteric plate fixation

Patent metadata

Field	Value
Publication number	US-11813008-B2
Application number	US-202117313402-A
Country	US
Kind code	B2
Filing date	May 6, 2021
Priority date	May 26, 2020
Publication date	Nov 14, 2023
Grant date	Nov 14, 2023

Abstract

A method of bone fixation includes placing a bone plate adjacent to a lesser trochanter on a medial aspect of a femur such that at least a portion of the lesser trochanter is positioned between appendages of the bone plate, wrapping cables coupled to the bone plate about a first and second bone fragment of a proximal femur, and tightening the cables to secure the first and second bone fragments together.

First claim

The invention claimed is:

1. A method of bone fixation, comprising:
placing a bone plate adjacent to a lesser trochanter on a medial aspect of a femur such that at least a portion of the lesser trochanter is positioned between appendages of the bone plate, the appendages each having a first end connected to a body of the bone plate and extending to a second end thereof;
wrapping a first cable extending from the body of the bone plate and between the first and appendages about a first and second bone fragment of a proximal end of the femur; and
tightening the first cable to secure the first and second bone fragments together.

2. The method of claim 1 , further comprising cutting the femur to form the first and second segments of the femur.

3. The method of claim 1 , further comprising securing the bone plate to the femur via one of bone screws and bone spikes.

4. The method of claim 1 , further comprising positioning bone of the femur between spiked ends of the appendages, and moving the appendages from a first position to a second position such that the spiked ends of the appendages engage the bone to secure it thereto.

5. The method of claim 1 , further comprising threading the first cable through first and second passageways extending through the body of the bone plate.

6. The method of claim 5 , further comprising threading a second cable through a third passageway of the bone plate and about the proximal femur.

7. The method of claim 6 , wherein the third passageway extends through a protrusion extending from a back side of the body of the bone plate.

8. The method of claim 7 , wherein the third passageway extends side-to-side transverse to a superior-inferior direction.

9. The method of claim 7 , wherein the third passageway extends in both a superior-inferior direction and in a direction transverse to the superior-inferior direction.

10. The method of claim 7 , further comprising threading a third cable through a fourth passageway of the bone plate.

11. The method of claim 10 , wherein the fourth passageway extends through the body of the bone plate.

12. The method of claim 11 , wherein the third and fourth passageways extend side-to-side transverse to a superior-inferior direction.

13. The method of claim 6 , wherein the first and second passageways are oriented parallel to each other.

14. The method of claim 1 , wherein the bone plate includes a bone facing surface being roughened.

15. The method of claim 1 , wherein the placing step includes positioning the body of the bone plate inferior to the lesser trochanter.

16. A method of reconstructing a proximal end of a femur, comprising:
positioning a first bone segment comprising a greater trochanter of the femur against a second bone segment of the femur;
placing a bone plate at a medial aspect of the femur adjacent to a lesser trochanter of the femur such that a body of the bone plate is positioned inferior relative to the lesser trochanter and appendages of the bone plate extend superiorly therefrom;
wrapping a first cable extending in a superior direction from the body of the bone plate about the first and second bone segments of the proximal femur and back to the bone plate; and
tightening the first cable to secure the first and second bone segments together.

17. The method of claim 16 , further comprising securing the bone plate to the femur via one of bone screws and bone spikes.

18. The method of claim 16 , further comprising cutting the femur to form the first and second segments of bone.

19. The method of claim 16 , wrapping a second cable extending from the body of the bone plate about the proximal femur in a direction transverse to a superior-inferior direction.

20. The method of claim 16 , wherein both a first end and a second end of the cable are positioned inferior to the lesser trochanter after the cable is wrapped around the first and second bone segments and tightened to secure the first and second bone segments.

Assignees

• Howmedica Osteonics Corp

Inventors

• Chakramakkil Keith
• Prout Haley
• Imami Don
• Corbin Erika
• Nidhan Sheldon
• Gibbons Rachel
• Abdel Matthew P

Classifications

• A61B17/88 Primary

  Osteosynthesis instruments;} Methods or means for implanting or extracting internal {or external} fixation devices {(A61B17/7074 takes precedence) · CPC title

• A61B17/74

  Devices for the head {or neck or trochanter} of the femur {(trochanteric devices connected to the proximal part of an endoprosthetic femoral shaft A61F2/30739; endoprosthetic internal fixation devices for the head or neck of the femur A61F2/3601)} · CPC title

• A61B17/809

  with bone-penetrating elements, e.g. blades or prongs (bone staples A61B17/0642; intramedullary nails with a plate at an end A61B17/7233) · CPC title

• A61B17/8061 Primary

  specially adapted for particular bones (A61B17/70 and A61B17/74 take precedence) · CPC title

• A61B17/82

  for bone cerclage {(apparatus for manipulating wires or straps A61B17/8861; wires, bands or straps other than cerclage A61B17/842)} · CPC title