Internal fixation plate

• US 5,718,705 A
• Filed: 07/16/1996
• Issued: 02/17/1998
• Est. Priority Date: 07/16/1996
• Status: Expired due to Fees

• Current Assignee: Giacomo J. Sammarco
• Original Assignee: Giacomo J. Sammarco
• Inventors: Sammarco, Giacomo J.
• Primary Examiner(s): Buiz, Michael
• Assistant Examiner(s): Shai, Daphna
• Application Number:
  US08/683,039
• Time in Patent Office: 581 Days
• Field of Search: 606/60, 606/69, 606/70, 606/72
• US Class Current: 606/284
• CPC Class Codes: A61B 17/8061 specially adapted for particular bones A61B17/70 and A61B17/74 take precedence
• CPC Class Codes: A61B 17/8085 with pliable or malleable elements or having a mesh-like structure, e.g. small strips A61B17/8071, A61B17/8076 take precedence
• CPC Class Codes: A61B 17/8863 Apparatus for shaping or cutting osteosynthesis equipment by medical personnel
• CPC Class Codes: A61B 2017/00004 (bio)absorbable, (bio)resorbable, resorptive for implantable prostheses A61F2210/0004

Abstract

A multi-purpose internal fixation plate for stabilization of fractured or broken bones. The fixation plate comprises a central hub portion with a plurality of radial, integral fingers extending therefrom and evenly spaced thereabout. The fixation plate is designed to be cut to size and to the desired configuration by the total or partial removal of one or more selected ones of the fingers. The fixation plate is further designed to be bent to the desired shape depending upon the application for which it is used. The hub portion and the fingers may be provided with appropriately configured apertures through which they can be screwed by surgical screws to the bone or bones to be stabilized. The fixation plate is made of any appropriate surgically compatible, bendable and cutable material, having sufficient strength.

Claims

1. A multi-purpose internal universal fixation plate for the stabilization of fractured, broken and severed bones, said universal fixation plate comprising:

a central hub portion; and

a plurality of pairs of diametrically disposed fingers extending substantially radially from said hub portion,

wherein said universal fixation plate is made from a material capable of being cut and bent and is characterized adequate strength and biocompatability for use as an endo-implant; and

whereby said universal fixation plate is capable of being cut into any one of a number of differently configured fixation plates by selectively removing all,portions of, one or more of said fingers, thus eliminating the necessity of maintaining a inventory of differently configured fixation plates.

2. The internal fixation plate claimed in claim 1 wherein said central hub portion is substantially circular and said fingers extend radially therefrom and are evenly spaced thereabout, said fingers comprising an integral one-piece part of said hub portion.

3. The internal fixation plate claimed in claim 2 wherein said fingers have perforations therealong for receipt of surgical screws by which said plate may be attached to the bone or bone fragments being stabilized.

4. The internal fixation plate claimed in claim 3 wherein said plate is made in more than one size.

5. The internal fixation plate claimed in claim 4 wherein said plate is made of material chosen from the class consisting of titanium, surgical grade stainless steel and surgical grade alloys.

6. The internal fixation plate claimed in claim 5 wherein said fingers have one of rectilinear and scalloped longitudinal sides and have rounded ends.

7. The internal fixation plate claimed in claim 6 wherein each of said fingers has one of round and elongated holes formed therein and spaced therealong for receipt of surgical screws by which said plate may be attached to the bone or bone fragment being stabilized.

8. The internal fixation plate claimed in claim 7 wherein said plate is adapted to have selected fingers removed to assume a shape chosen from the class consisting of a strap shape, a Y-shape, a skewed Y-shape, a T-shape, an L-shape, an H-shape and a cross shape.

9. The internal fixation plate claimed in claim 2 wherein said plate is made of any material capable of being cut and bent, characterized by adequate strength and characterized by compatibility for use as an endo-implant.

10. The internal fixation plate claimed in claim 9 wherein said plate is made of material chosen from the class consisting of titanium, surgical grade stainless steel and surgical grade alloys.

11. The internal fixation plate claimed in claim 9 wherein said plate is made of material chosen from the class consisting of titanium, surgical grade stainless steel, surgical grade alloys, and a material having said required characteristics and which is absorbable by the body.

12. The internal fixation plate claimed in claim 2 wherein said plate is made in more than one size.

13. The internal fixation plate claimed in claim 2 wherein said fingers narrow slightly in width at the junctures of the fingers and said hub portion.

14. The internal fixation plate claimed in claim 2 wherein said fingers have one of rectilinear and scalloped longitudinal sides and have rounded ends.

15. The internal fixation plate claimed in claim 2 wherein all of said fingers are of the same length.

16. The internal fixation plate claimed in claim 2 wherein all of said fingers save one diametric pair thereof are of the same length, said diametric pair of fingers being of a greater length.

17. The internal fixation plate claimed in claim 2 wherein said plate is initially planar prior to bending to shape.

18. The internal fixation plate claimed in claim 2 wherein each of said fingers has one of round and elongated holes formed therein and spaced therealong for receipt of surgical screws by which said plate may be attached to the bone or bone fragments being stabilized.

19. The internal fixation plate claimed in claim 2 wherein said fingers have transverse indicia formed thereon to guide the surgeon in cutting selected fingers to an appropriate length.

20. The internal fixation plate claimed in claim 2 wherein said plate is adapted to have selected fingers removed to assume a shape chosen from the class consisting of a strap shape, a Y-shape, a skewed Y-shape, a T-shape, an L-shape, an H-shape and a cross shape.

21. The internal fixation plate claimed in claim 1 wherein said fingers have perforations therealong for receipt of surgical screws by which said plate may be attached to the bone or bone fragments being stabilized.

22. The internal fixation plate claimed in claim 1 wherein said plate is made in more than one size.

23. The internal fixation plate claimed in claim 1 wherein said plate is made of material chosen from the class consisting of titanium, surgical grade stainless steel, surgical grade alloys, and a material having said required characteristics and which is absorbable by the body.