End cap for intramedullary nail

Patent metadata

Field	Value
Publication number	US-2018317982-A1
Application number	US-201815969215-A
Country	US
Kind code	A1
Filing date	May 2, 2018
Priority date	May 2, 2017
Publication date	Nov 8, 2018
Grant date	—

Abstract

A means of fastening an intramedullary nail to the surface of a bone.

First claim

What is claimed is:

1 . An implant for coupling an exterior surface of a bone to an intramedullary nail, comprising:
a body having a bone securement portion and a nail securement portion; said bone securement portion including at least one through hole adapted and configured to receive therein a bone fastener, the through hole having a first axis; and said nail securement portion defining a receptacle having an opened end and a closed end both aligned along a second axis, the receptacle being adapted and configured for receiving therein a portion of an intramedullary nail; wherein the first axis and the second axis are adapted and configured such that the opened end of the receptacle is oriented toward the interior of a long bone when the nail securement portion is fastened to the exterior surface of the long bone.

2 . The implant of claim 1 wherein the bone securement portion has an underside adapted and configured to engage a curving exterior surface of a bone, and the underside is curved complementary to the curving surface of the bone.

3 . The implant of claim 2 wherein the underside is generally cylindrical.

4 . The implant of claim 1 wherein the portion of the nail is an end.

5 . The implant of claim 1 wherein the interior surface of the receptacle proximate to the opened end is generally cylindrical.

6 . The implant of claim 5 wherein the cylindrical surface has a first inner diameter, and wherein the interior surface of the receptacle proximate to the closed end has a second inner diameter that is smaller than the first inner diameter.

7 . The implant of claim 1 wherein the interior surface of the receptacle proximate to the closed end is generally conical.

8 . The implant of claim 1 wherein the interior of the receptacle is adapted and configured to frictionally couple to the portion of the intramedullary nail.

9 . The implant of claim 1 wherein the through hole is a first through hole and the bone securement portion includes a second through hole adapted and configured to receive therein a bone fastener.

10 . The implant of claim 9 wherein the first hole and the second hole are located on opposite sides of the second axis.

11 . The implant of claim 1 wherein the exterior of the nail securement portion has a first shape that is adapted and configured for coupling to a holding tool having a second shape that is complementary to the first shape.

12 . The implant of claim 1 wherein the bone securement portion has an underside adapted and configured to engage an exterior surface of a bone, and the underside is substantially flat.

13 . The implant of claim 1 wherein the angle between the first axis and the second axis is oblique.

14 . The implant of claim 1 wherein the angle between the first axis and the second axis is substantially parallel.

15 . The implant of claim 1 wherein the angle between the first axis and the second axis is substantially perpendicular.

Assignees

• Orthopediatrics Corp

Inventors

• Giordano Michael
• Powers Chris M

Classifications

• A61B17/7233 Primary

  with special means of locking the nail to the bone · CPC title

• A61B17/7283

  with special cross-section of the nail · CPC title

• A61B17/80

  Cortical plates {, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates} · CPC title