Intramedullary nail fixation guides, devices and methods of use

Patent metadata

Field	Value
Publication number	US-9907562-B2
Application number	US-201414776418-A
Country	US
Kind code	B2
Filing date	Mar 14, 2014
Priority date	Mar 15, 2013
Publication date	Mar 6, 2018
Grant date	Mar 6, 2018

Abstract

Fixation guide devices and methods for positioning and inserting an intramedullary nail are disclosed. The fixation guide devices include a frame with a first end and a second end, a compression device removably coupled to the first end of the frame, and the intramedullary nail secured to a nail attachment apparatus of the frame. An intramedullary nail including a body with a fastening end, a closed end, and at least two openings is also disclosed. A compression device includes a compression member, a knob, and a bolt secured in the knob and rotatably engaging the compression member is also disclosed. An alignment guide is disclosed and includes a base member, an alignment member, and a fixation guide. A method of inserting an intramedullary nail into two bones for fixation of the two bones is also disclosed.

First claim

What is claimed is:

1. A fixation guide device for positioning and inserting an intramedullary nail, comprising:
a frame including a first end and a second end, wherein the frame comprises:
at least one drill hole; and
a first arm, comprising:
a first opening;
a second opening below and spaced apart from the first opening; and
a nail attachment apparatus extending away from the first arm and aligned with the second opening;

a compression device removably coupled to the first end of the frame, wherein the compression device comprises:
a compression member, wherein the compression member comprises:
a base with a top end and a bottom end;
a protrusion positioned near the bottom end;
a first opening positioned near the top end; and
a second opening positioned near the bottom end and extending through the base and the protrusion, wherein the second opening slidingly couples to the nail attachment apparatus of the first arm of the frame;

a bolt with a first end and a second end; and
a knob, wherein the knob comprises:
a first opening for receiving the bolt
a second opening relatively perpendicular to the first opening and extending into the first opening for receiving a fastener; and
a plurality of ridges on an exterior surface of the knob;

wherein the bolt rotatably engages the compression member at the first end and is secured to the knob at the second end, and the bolt extends though and rotatably couples to the first opening in the first arm of the frame; and

wherein the intramedullary nail is secured to the nail attachment apparatus of the frame.

2. The fixation guide device of claim 1 , wherein the nail attachment apparatus comprises:
a first nail attachment segment extending away from the first arm a first distance; and
a second nail attachment segment extending away from the first arm a second distance, wherein the first distance is greater than the second distance.

3. The fixation guide device of claim 2 , wherein the intramedullary nail comprises:
a body with a first end and a second end;
at least two openings positioned oblique to a longitudinal axis of the body between the first end and the second end; and
a fastening end with at least one opening extending from the second end into the body along the longitudinal axis of the body.

4. The fixation guide device of claim 3 , wherein the at least two openings comprises:
three first openings; and
a second elongated opening.

5. The fixation guide device of claim 3 , wherein the fastening end further comprises:
a first fastening segment extending away from the body a first distance and shaped to engage the second nail attachment segment; and
a second fastening segment extending away from the body a second distance and shaped to engage the first nail attachment segment, wherein the first distance is greater than the second distance.

6. The fixation guide device of claim 3 , wherein the body of the intramedullary nail, further comprises:
a fastening end at the first end of the body with an insertion opening extending from the
first end into the body along a longitudinal axis of the body; and
a closed end at the second end of the body.

7. The fixation guide device of claim 6 , wherein the fastening end, further comprises:
a first fastening segment extending away from the body a first distance;
a second fastening segment extending away from the body a second distance, wherein the first distance is greater than the second distance; and
an engagement opening extending from the first end through the body to an exterior surface and wherein a portion of the engagement opening overlaps with the insertion opening.

8. The fixation guide device of claim 6 , wherein the at least two openings comprises four openings extending through the body on independent planes and angularly spaced apart.

9. The fixation guide device of claim 8 , wherein the at least two openings comprises:
three first openings; and
a second elongated opening.

10. The fixation guide device of claim 9 , wherein the insertion opening of the fastening end engages the second elongated opening.

11. The fixation guide device of claim 10 , further comprising:
a plurality of fasteners, wherein two fasteners of the plurality of fasteners engage the at least two openings of the body.

12. The fixation guide device of claim 11 , further comprising:
a cam member sized to engage the insertion opening and the second elongated opening to translate a fastener of the plurality of fasteners inserted through the second elongated opening along the second elongated opening.

13. The fixation guide device of claim 1 , wherein the protrusion of the compression member is angled.

14. The fixation guide device of claim 1 , wherein the frame, further comprises:
a second arm positioned generally between the first end and the second end of the frame, and wherein the first arm is positioned at the first end of the frame.

15. The fixation guide device of claim 14 , wherein the at least one drill hole of the frame comprises:
a first drill hole near the first end of the frame;
a second drill hole positioned between the first end and the second end of the frame;
a third drill hole positioned near the first end of the frame; and
a fourth drill hole positioned on the second arm.

16. The fixation guide device of claim 1 , wherein the frame, further comprises:
an outward extending wing at the first end of the frame, and wherein the first arm is positioned at the second end of the frame.

17. The fixation guide device of claim 1 , further comprising:
at least one drill sleeve removably inserted into the at least one drill hole of the frame.

18. The fixation guide device of claim 1 , wherein the intramedullary nail is configured for insertion through a joint and the joint is selected from a group consisting of a tarsal-metatarsal joint and a metatarsal-phalangeal joint.

19. The fixation guide device of claim 1 , wherein the
protrusion extends away from the base at the bottom end.

20. The fixation guide device of claim 1 , wherein the bolt comprises:
a first end with a plurality of threads extending along the first end for engaging the first opening;
a second end with a smooth exterior surface and an opening extending relatively perpendicular to a longitudinal axis of the bolt for aligning with the second opening of the knob to receive the fastener to couple the bolt and the knob; and
a stop member positioned between the first end and the second end.

21. A method of inserting an intramedullary nail into two bones for fixation of the two bones, comprising:
creating an incision near the two bones;
preparing the two bones for fixation;
securing an alignment guide to the two bones to position a guidewire across the two bones;
drilling over the guidewire to create a cavity for the intramedullary nail that passes through the two bones, wherein the intramedullary nail includes a securing screw hole at a first end of the intramedullary nail and at least two peg holes;
obtaining the fixation guide device of claim 1 , wherein the frame includes at least two drill holes;
attaching the intramedullary nail to the compression device of the fixation guide device;
inserting the intramedullary nail into the cavity;
inserting a drill sleeve into a first drill hole at a second end of the fixation guide device and drilling a first opening that aligns with a first peg hole in the second end of the intramedullary nail;
inserting a first peg into the

Assignees

• Paragon 28 Inc

Inventors

• Dacosta Albert
• Bono Frank
• Houghton Michael
• Sangiovanni Thomas
• Clancy James T
• Chang Thomas

Classifications

• A61B2017/564

  Methods for bone or joint treatment · CPC title

• A61B17/1725

  for applying transverse screws or pins through intramedullary nails or pins · CPC title

• A61B2017/681

  Alignment, compression, or distraction mechanisms · CPC title

• A61B17/7291

  for small bones, e.g. in the foot, ankle, hand or wrist · CPC title

• A61B17/72

  Intramedullary devices, e.g. pins or nails · CPC title