Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS3716050 A
Publication typeGrant
Publication dateFeb 13, 1973
Filing dateFeb 11, 1971
Priority dateFeb 11, 1971
Publication numberUS 3716050 A, US 3716050A, US-A-3716050, US3716050 A, US3716050A
InventorsF Johnston
Original AssigneeF Johnston
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Olecranon plate
US 3716050 A
Abstract
A bone plate designed specifically to accomplish fixation of an olecranon fracture and consisting of a generally L-shaped plate including a first elongated flange and a second flange at one end of the first flange disposed at generally right angles relative to the first flange. The first flange includes a plurality of longitudinally spaced apertures through which bone attaching screws may be secured and the second flange also includes a single aperture. Screws or pins may be passed through the aperture in the second short flange and the adjacent aperture in the longer flange and anchored in the proximal fragment so as to fix and position the latter relative to the plate and the remaining portion of the long flange is then secured by screws or pins to the distal ulna after the fracture is compressed.
Images(1)
Previous page
Next page
Description  (OCR text may contain errors)

Unite States Patent 11 1 Johnston 14 1 Feb. 13, 1973 OLECRANON PLATE 22 Filed: Feb. 11, 1971 211 Appl.No.: 114,454

OTHER PUBLICATIONS Fixation of Small But Important Bone Fragments With A Hook Plate by Zuelzer, Journal Bone & Joint Surgery, Vol. 33, 4-51.

Primary Examiner-Richard A. Gaudet Assistant Examiner-J. Yasko AttorneyClarence A. O'Brien and Harvey B. Jacobson [57] ABSTRACT A bone plate designed specifically to accomplish fixation of an olecranon fracture and consisting of a generally L-shaped plate including a first elongated flange and a second flange at one end of the first flange disposed at generally right angles relative to the first flange. The first flange includes a plurality of Iongitudinally spaced apertures through which bone attaching screws may be secured and the second flange also includes a single aperture. Screws or pins may be passed through the aperture in the second short flange and the adjacent aperture in the longer flange and anchored in the proximal fragment so as to fix and position the latter relative to the plate and the remaining portion of the long flange is then secured by screws or pins to the distal ulna after the fracture is compressed.

3 Claims, 4 Drawing Figures PATENTEDFEB 13 I975 F urn/e W. Johns/on INVESTOR. I

9 B Mm WW 3m place no motion is possible at the fracture site.

The bone plate of the instant invention differs from present bone plates utilized for olecranon fractures in that it allows a small proximal fragment of the olecranon to be accurately manipulated and secured in position by providing two attachment screws for securement in the small proximal fragment at rightangles relative to each other. The conventional bone plates may be utilized in connection with an olecranon fracture but these conventional bone plates providefor I anchoring screws in only one plane and do nottherefore provide for rigid fixation of an olecranon fracture through the utilization of a pair of anchoring screws for the small proximal fragment disposed at 90 relative to each other.

The-main object of this invention is to provide an olecranon plate which is designed specifically'to provide for rigid fixation of an olecranon fracture so that early motion will be possible at the fracture site without danger of breakage as with intramedullary fixation.

Another object of this invention is to provide a bone plate of specific configuration and adapted for utilization on an olecranon fracture in a manner securing a small proximal fragment of an olecranon fracture to the distal ulna in a fixed manner.

Yet another object of this invention is to provide an apparatus for fixation of a small proximal fragment of an olecranon fracture to the distal ulna by the utilization'of a bone plate fixedly anchored to the distal ulna and also to the proximal fragment through the'utilization of anchoring screws disposed at 90 degrees relative to each other.

A final object of this invention to be specifically enumerated hereinis toprovide an'olecranon plate which will conform to conventionalforms of manufacture, be

of simple construction and readily applied so as to provide a device that will be economically feasible, long lasting and uncomplex. in its application.

These together with other objects and advantages which will become subsequently apparent reside in the details of construction and operation as. more fully FIG. 3 is a'perspective view of the olecranon plate;

and

P10. 4 is a fragmentary sectional view illustrating the manner in which the screw secured through the key slot aperture or bore of the long flange of the olecranon plate may be utilized to draw the proximal fragment into tight compression with the distol ulna.

Referring now more specifically to the drawings, the numeral 10 designates the elbow joint including the adjacent ends of the ulna 12, the radius 14 and the humerus 16. A fracture exists as at 18 and is termed an olecranon fracture involving the small proximal fragment 19 and the distol ulna. The fracture is illustrated in FIGS. 1 and 2 of the drawings in an aligned condition and under compression by means of the olecranon plate of the instant invention referred to in general by the reference nurneral 20.

With attention now invited more specifically to FIG. 3 of the drawings, it may be seen that the olecranon plate 20'consists of a first long flange 22 including a right angled extension or short flange 24 at one end. The plate 20 may of course be constructed of stainless steel and it may be seen that the long flange includes apertures 26, 28, 30 and 32 spaced longitudinally therealong and that there is further provided an aperture 34in the short flange 24. The apertures 26, 32 and 34 are of the keyhole type and include slot extensions 26 and 32' extending in opposite directions along the long flange 22 and a slot extension 34' extending along the short flange 24 toward the free end thereof. The slot extension 26' extends toward the end of the long flange 22 from which the short flange 24 is supported and the slot extension 32' extends toward the remote end of the long flange 22.

It will be noted that all of the apertures 26, 28, 30, 32 and 34 are provided with beveled counter-bores and it will therefore be understood that each of the screws 36 to be utilized in conjunction therewith will be of the type including heads having beveled undersurfaces 38.

In utilizing the olecranon plate 20, an open operation is required andthe plate 20' is applied directly to the bone. Further, the plate 20, as with other bone plates, may be constructed of varying widths and lengths and it will more than likely be desirable to remove the plate 20 upon healing of the fracture.

After the fracture has been exposed by an open operation, the small proximal fragment. is secured to the plate 20 by right angled screws 36 secured through the apertures 26 and 34. According to the size and shape of the fragment 19, the screws'36 may or may not be angled. However, if angling of the screws is required or desired, the slot extensions 26' and 34' will enable the screws secured through the apertures 26 and 34' into the proximal fragment 26 to be angled.

Thereafter, the long leg or flange 22 is placed along the distol ulna and secured thereto byadditional screws 36 secured through the apertures 28, 30 and 32 and in the ulna. 12. If it is desired, the screw passing through the aperture 32 may be first engaged with the ulna 12 with the screw 36positioned relative to the long flange 22 in the manner illustrated in FIG 4 of the drawings whereby seating of the screw 36 will tend to wedge the undersurfaces 38 of its head into the center of the aperture 32 thereby shifting the long flange 22 downward relative to the ulna 12 as seen in FIGS. 1, 2 and 4 to place the proximal fragment 19 in tight compression with'the distal ulna. Thereafter, the remaining screws 36 may be secured through the apertures 28 and 30. Of

course, the same camming process may be utilized in conjunction with the slot extensions 26 and 34' of the apertures 26 and 34 in order to insure that the proximal fragment 19 is tightly seated in the inside corner of the olecranon plate 20 defined by the juncture of the flanges 22 and 24.

After the fracture 18 has healed, the olecranon plate 20 may be removed.

The foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will-readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly all suitable modifications and equivalents may be resorted to, falling within the scope of the invention.

What is claimed as new is as follows:

1. A bone plate for supporting the fractured components of an olecranon fracture in fixed position and under compression, said plate comprising a generally L-shapedrigid brace including narrow elongated rigid short and long flanges disposed at generally right angles relative to each other and fixedly joined at adjacent ends, said short flange having at least one aperture formed therethrough intermediate its opposite ends andsaid long flange having at least three apertures formed therethrough with one of said three apertures being disposed adjacent the end of said long flange joined to said short flange, and at least four elongated bone component anchoring fasteners for passage through said apertures and anchoring in the bone components, said bone component anchoring fasteners including headed elongated fasteners having threaded shank portions, the heads of said fasteners including generally frusto-conical undersurfaces, the aperture formed through said short flange being of the keyholetype including a slot extension extending lengthwise of the short flange away from the long flange and the aperture formed through the end of the long flange remote from the short flange being also of the keyholetype and including a slot extension extending lengthwise of the long flange away from said short flange, the portions of the apertures and said slot extensions opening outwardly of the flange surfaces defining the outside corner of the brace being chamfered.

2. The combination of claim 1 wherein said long flange includes at least one additional aperture formed therein.

3. The combination of claim 2 wherein the aperture formed in said long flange adjacent said short flange also includes a slot extension extending lengthwise of the long flange toward said short flange.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2443363 *Apr 13, 1942Jun 15, 1948Gilfillan Charles WBone plate
US2561550 *May 28, 1948Jul 24, 1951Harlem Hospital Surgical Res FDevice for treatment of bone fractures
US2737835 *Dec 12, 1951Mar 13, 1956Herz James RTool for bending plates in bone surgery
US3593709 *Oct 28, 1968Jul 20, 1971William X HalloranAngular compression plate for bone fractures
CH373516A * Title not available
FR1538053A * Title not available
SE319264B * Title not available
Non-Patent Citations
Reference
1 *Fixation of Small But Important Bone Fragments With A Hook Plate by Zuelzer, Journal Bone & Joint Surgery, Vol. 33, 4 51.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4365188 *Aug 13, 1980Dec 21, 1982Erwin Sick Gmbh Optik-ElektronikCircuit arrangement for monitoring and controlling closing and opening movements
US4408601 *Apr 6, 1981Oct 11, 1983Wilh, Wenk AgBone compression plate
US4867144 *Apr 14, 1987Sep 19, 1989Huta BaildonPlate for connecting base splinters with bone shafts
US4936844 *May 25, 1989Jun 26, 1990Boehringer Mannheim CorporationBone fixation system
US5006120 *Oct 10, 1989Apr 9, 1991Carter Peter RDistal radial fracture set and method for repairing distal radial fractures
US5304180 *May 4, 1993Apr 19, 1994Slocum D BarclayTibial osteotomy fixation plate
US5356410 *Jun 8, 1993Oct 18, 1994Dietmar PennigAdjuvant for osteosynthesis in the case of pertrochanteric fracture of the neck of the femur
US5527311 *Jul 29, 1994Jun 18, 1996Howmedica GmbhSupport for the human spine
US5665087 *Mar 26, 1996Sep 9, 1997Huebner; Randall J.Method and screw for repair of olecranon fractures
US5931839 *Jan 24, 1996Aug 3, 1999Medoff; Robert J.Implantable device
US5951557 *Dec 30, 1997Sep 14, 1999Luter; Dennis W.Bone plate
US6077266 *Jan 19, 1999Jun 20, 2000Medoff; Robert J.Method of enabling bone screws to be installed at an angle in underlying bone
US6190389 *Nov 9, 1999Feb 20, 2001Bioplate, Inc.Bone alignment and fixation device and method
US6364881 *Oct 25, 1999Apr 2, 2002Interpore Cross InternationalLongitudinally adjustable bone plates and method for use thereof
US6669701Nov 27, 2001Dec 30, 2003Synthes (Usa)Bone plate
US6719759Sep 6, 2001Apr 13, 2004Synthes Ag ChurBone plate
US6821278Nov 27, 2001Nov 23, 2004Synthes Ag ChurBone plate
US7090676Nov 19, 2003Aug 15, 2006Acumed LlcAdjustable bone plates
US7128744Sep 22, 2003Oct 31, 2006Synthes (Usa)Bone plating system
US7153309Nov 19, 2003Dec 26, 2006Acumed LlcGuide system for bone-repair devices
US7189237Nov 19, 2003Mar 13, 2007Acumed LlcDeformable bone plates
US7229445Jun 21, 2004Jun 12, 2007Synthes (Usa)Bone plate with bladed portion
US7316687 *Aug 24, 2001Jan 8, 2008Zimmer Technology, Inc.Blade plate and instruments
US7326212Nov 19, 2003Feb 5, 2008Acumed LlcBone plates with reference marks
US7354441 *Oct 29, 2003Apr 8, 2008Synthes (U.S.A.)Bone plate
US7416553Apr 9, 2003Aug 26, 2008Depuy Acromed, Inc.Drill guide and plate inserter
US7537596Jun 21, 2004May 26, 2009Acumed LlcBone plates with intraoperatively tapped apertures
US7537603Jul 22, 2003May 26, 2009Acumed LlcBone fusion system
US7537604Nov 19, 2003May 26, 2009Acumed LlcBone plates with slots
US7578825Apr 19, 2005Aug 25, 2009Acumed LlcPlacement of fasteners into bone
US7635365Aug 27, 2004Dec 22, 2009Ellis Thomas JBone plates
US7655029Nov 26, 2003Feb 2, 2010Synthes Usa, LlcBone plate
US7695472Mar 26, 2004Apr 13, 2010Swiss Orthopedic Solutions SaLocking bone plate
US7695501Jun 16, 2006Apr 13, 2010Ellis Thomas JBone fixation system
US7704251Aug 14, 2006Apr 27, 2010Acumed LlcAdjustable bone plates
US7717945Dec 11, 2006May 18, 2010Acumed LlcOrthopedic systems
US7722653Mar 25, 2004May 25, 2010Greatbatch Medical S.A.Locking bone plate
US7740648Oct 31, 2007Jun 22, 2010Greatbatch Medical S.A.Locking bone plate
US7744638Jan 21, 2005Jun 29, 2010Depuy Products, Inc.System for stabilization of fractures of convex articular bone surfaces including subchondral support structure
US7771457Jan 26, 2006Aug 10, 2010Orthohelix Surgical Designs, Inc.Orthopedic plate for use in small bone repair
US7776038 *Sep 12, 2005Aug 17, 2010Stryker Trauma GmbhIntramedullary locking nail
US7776047Feb 11, 2004Aug 17, 2010Depuy Spine, Inc.Guide for spinal tools, implants, and devices
US7776076May 21, 2004Aug 17, 2010Synthes Usa, LlcBone plate
US7780710Jan 21, 2005Aug 24, 2010Depuy Products, Inc.System for stabilization of fractures of convex articular bone surfaces including subchondral support structure
US7799061Jan 26, 2006Sep 21, 2010Orthohelix Surgical Designs, Inc.Orthopedic plate
US7896886Jan 26, 2006Mar 1, 2011Depuy Products, Inc.Nail plate and implantation jig therefor
US7905883Oct 31, 2007Mar 15, 2011Greatbatch Medical S.A.Locking triple pelvic osteotomy plate and method of use
US7909829Jun 27, 2003Mar 22, 2011Depuy Spine, Inc.Tissue retractor and drill guide
US7909848Feb 11, 2004Mar 22, 2011Depuy Spine, Inc.Tissue retractor and guide device
US7927341Mar 22, 2006Apr 19, 2011Depuy Products, Inc.Nail plate and jig therefor
US7935123Sep 17, 2003May 3, 2011Depuy Acromed, Inc.Drill guide with alignment feature
US7938850Jan 26, 2006May 10, 2011Depuy Products, Inc.Nail plate
US7947043 *Jan 20, 2004May 24, 2011Depuy Products, Inc.Intramedullary nail and associated method
US7951176May 11, 2004May 31, 2011Synthes Usa, LlcBone plate
US7976570Mar 19, 2004Jul 12, 2011Synthes Usa, LlcBone plate
US8080010Oct 25, 2006Dec 20, 2011Greatbatch Medical S.A.Device and template for canine humeral slide osteotomy
US8100953Mar 6, 2009Jan 24, 2012Swiss Pro Orthpedic SABone plate with complex, adjacent holes joined by a relief-space
US8100954Jun 1, 2010Jan 24, 2012Orthohelix Surgical Designs, Inc.Orthopedic plate for use in small bone repair
US8105366May 28, 2003Jan 31, 2012Warsaw Orthopedic, Inc.Laminoplasty plate with flanges
US8105367Jun 15, 2009Jan 31, 2012Smith & Nephew, Inc.Bone plate and bone plate assemblies including polyaxial fasteners
US8114081 *May 18, 2006Feb 14, 2012Synthes Usa, LlcOsteosynthesis plate set
US8118846Feb 24, 2009Feb 21, 2012Orthohelix Surgical Designs, Inc.Orthopedic plates for use in clavicle repair and methods for their use
US8118848Feb 24, 2009Feb 21, 2012Orthohelix Surgical Designs, Inc.Orthopedic plate for use in fibula repair
US8147493Mar 8, 2006Apr 3, 2012Synthes Usa, LlcBone-fixation device
US8177819Aug 9, 2010May 15, 2012Acumed LlcExpanded fixation of bones
US8182485Feb 3, 2005May 22, 2012Toby Orthopaedics, LlcFracture fixation system
US8231663Jul 29, 2010Jul 31, 2012Orthohelix Surgical Designs, Inc.Orthopedic plate
US8246661 *May 1, 2006Aug 21, 2012Synthes Usa, LlcBone plate
US8246664Feb 24, 2009Aug 21, 2012Osteomed LlcMultiple bone fusion plate
US8252032Jul 6, 2007Aug 28, 2012Swiss Pro Orthopedic SaBone plate with complex, adjacent holes joined by a relief-space
US8343196Feb 24, 2006Jan 1, 2013Synthes Usa, LlcBone plate
US8361075Jun 25, 2010Jan 29, 2013Toby Orthopaedics, Inc.Method for repairing fractured bone
US8382807Feb 8, 2008Feb 26, 2013Smith & Nephew, Inc.Systems and methods for using polyaxial plates
US8394107Jul 16, 2010Mar 12, 2013Depuy Spine, Inc.Guide for spinal tools, implants, and devices
US8425574Feb 16, 2011Apr 23, 2013Acumed, LlcBone fixation with a bone plate attached to a fastener assembly
US8469999Apr 4, 2012Jun 25, 2013Eduardo Gonzalez-HernandezSoft tissue attachment system and clip
US8496690Sep 17, 2010Jul 30, 2013Biomet C.V.Orthopaedic surgical components
US8512385Jul 6, 2007Aug 20, 2013Swiss Pro Orthopedic SaBone plate with complex, adjacent holes joined by a bend relief zone
US8529608Apr 28, 2009Sep 10, 2013Osteomed LlcBone plate with a transfixation screw hole
US8568417Sep 20, 2010Oct 29, 2013Charles River Engineering Solutions And Technologies, LlcArticulating tool and methods of using
US8574234Jan 29, 2013Nov 5, 2013Toby Orthopaedics, Inc.Fracture fixation system
US8574268 *Jan 9, 2008Nov 5, 2013DePuy Synthes Product, LLCHighly-versatile variable-angle bone plate system
US8632573Apr 13, 2010Jan 21, 2014Thomas J. EllisBone fixation system
US8641744Dec 17, 2004Feb 4, 2014DePuy Synthes Products, LLCBone plating system
US8685068Sep 17, 2010Apr 1, 2014Biomet C.V.Disposable orthopedic surgery kit and components
US8690916Jun 25, 2013Apr 8, 2014Eduardo Gonzalez-HernandezSoft tissue attachment system and clip
US8758346Sep 14, 2010Jun 24, 2014DePuy Synthes Products, LLCVariable angle compression plate
US8764808Apr 4, 2012Jul 1, 2014Eduardo Gonzalez-HernandezBone fixation system
US20090254126 *Apr 3, 2009Oct 8, 2009Skeletal Dynamics LlcCompression/distraction osteotomy system, plate, method, drill guide and saw guide
US20130053899 *Aug 28, 2012Feb 28, 2013Stryker Trauma SaBone plate with hook portion
CN100415182CJan 27, 2000Sep 3, 2008斯恩蒂斯有限公司Bone plate and fixer with same
EP2379016A1 *Nov 10, 2009Oct 26, 2011Acumed LLCPartial or complete prosthetic replacement arthroplasty of the distal radioulnar joint
WO2001037720A2 *Nov 2, 2000May 31, 2001Bioplate IncBone alignment and fixation device and installation method
WO2001054601A1 *Jan 27, 2000Aug 2, 2001Synthes AgBone plate
WO2004024009A1 *Jun 10, 2002Mar 25, 2004David G JensenBone plates
WO2005074580A2 *Feb 2, 2005Aug 18, 2005Acumed LlcBone plate with toothed aperture
WO2005117730A1 *May 19, 2005Dec 15, 2005Tandon Vineet DevA bone plate
WO2008007196A2Jul 6, 2007Jan 17, 2008Precimed SaBone plate with complex, adjacent holes joined by a relief-space
WO2009140742A1 *May 20, 2009Nov 26, 2009Adnan DizdarHuman orthopedic implant plate with double screw holes
Classifications
U.S. Classification606/286, 606/902
International ClassificationA61B17/80
Cooperative ClassificationA61B17/8061, Y10S606/902
European ClassificationA61B17/80H