US20060106396A1 - Methods for cutting bone - Google Patents

Methods for cutting bone Download PDF

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Publication number
US20060106396A1
US20060106396A1 US11/321,192 US32119205A US2006106396A1 US 20060106396 A1 US20060106396 A1 US 20060106396A1 US 32119205 A US32119205 A US 32119205A US 2006106396 A1 US2006106396 A1 US 2006106396A1
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United States
Prior art keywords
bone
portion
method
recited
dies
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Abandoned
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US11/321,192
Inventor
Daniel Justin
E. Goble
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MedinceLodge Inc
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MedinceLodge Inc
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Publication date
Priority to US10/360,250 priority Critical patent/US7112204B2/en
Priority to FR0408218A priority patent/FR2865627B1/en
Application filed by MedinceLodge Inc filed Critical MedinceLodge Inc
Priority to US11/321,192 priority patent/US20060106396A1/en
Publication of US20060106396A1 publication Critical patent/US20060106396A1/en
Assigned to SANKATY ADVISORS, LLC reassignment SANKATY ADVISORS, LLC SECURITY AGREEMENT Assignors: MEDICINELODGE, INC.
Assigned to MEDICINELODGE HOLDINGS CORP., MEDICINELODGE, INC. reassignment MEDICINELODGE HOLDINGS CORP. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: SANKATY ADVISORS, LLC
Assigned to ZIMMER, INC. reassignment ZIMMER, INC. CORRECTIVE ASSIGNMENT IN RESPONSE TO THE NOTICE OF NON-RECORDATION MAILED 6/16/09 Assignors: MEDICINELODGE, INC.
Application status is Abandoned legal-status Critical

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14Surgical saws ; Accessories therefor
    • A61B17/15Guides therefor
    • A61B17/154Guides therefor for preparing bone for knee prosthesis
    • A61B17/157Cutting tibia
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14Surgical saws ; Accessories therefor
    • A61B17/15Guides therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1604Chisels; Rongeurs; Punches; Stamps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1635Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1662Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
    • A61B17/1675Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the knee
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14Surgical saws ; Accessories therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14Surgical saws ; Accessories therefor
    • A61B17/142Surgical saws ; Accessories therefor with reciprocating saw blades, e.g. with cutting edges at the distal end of the saw blades
    • A61B17/144Surgical saws ; Accessories therefor with reciprocating saw blades, e.g. with cutting edges at the distal end of the saw blades with cutting edges at the side of the saw blades
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1642Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for producing a curved bore

Abstract

A method of cutting bone with a bone die cutter includes positioning complementary cutting dies on at least substantially opposing sides of a bone. At least one of the cutting dies is pressed toward the other so that the cutting dies cut a bone portion from the bone. The cut bone portion is separated from the remainder of the bone. The cut bone portion is subsequently reattached to the bone at the location from which it was removed.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS
  • This application is a divisional of U.S. patent application Ser. No. 10/360,250, filed Feb. 6, 2003, which is incorporated herein by reference.
  • BACKGROUND OF THE INVENTION
  • 1. The Field of the Invention
  • The present invention relates to methods for cutting bone using complementary cutting dies. The method can be used for gaining surgical access to the knee cavity by performing a tibial tubercle osteotomy as part of a minimally invasive total or partial knee arthroplasty or other knee related surgery.
  • 2. Related Technology
  • As a result of accident, deterioration, or other causes, it is often necessary to surgically replace all or portions of a knee joint. Joint replacement is referred to as arthroplasty. Conventional total knee arthroplasty requires a relatively long incision that typically extends longitudinally along the lateral side of the leg spanning across the knee joint. To allow the use of conventional techniques, instruments, and implants, the incision typically extends proximal of the knee and into the muscular tissue. In general, the longer the incision and the more muscular tissue that is cut, the longer it takes for the patient to recover and the greater the potential for infection.
  • Accordingly, what is needed are minimally invasive procedures and corresponding apparatus for accessing the knee joint to perform total or partial knee arthroplasty.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • Various embodiments of the present invention will now be discussed with reference to the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope.
  • FIG. 1 is an elevated front view of a leg in a bent position;
  • FIG. 2 is a elevated front view of a tibia of the leg shown in FIG. 1 with a portion of the tibial tuberosity removed;
  • FIG. 3 is an elevated side view of the tibia shown in FIG. 2;
  • FIG. 4 is a perspective view of a die cutter;
  • FIG. 5 is a perspective view of the arm assembly of the die cutter shown in FIG. 4;
  • FIG. 6 is an elevated front view of a guide;
  • FIG. 7 is a perspective view of the guide shown in FIG. 6; and
  • FIG. 8 is a top plan view of the guide shown in FIG. 6.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • The present invention relates to methods and corresponding instruments for performing a tibial tubercle osteotomy to gain access to the knee cavity as part of a minimally invasive total or partial knee arthroplasty or other knee related surgery. By way of example and not by limitation, depicted in FIG. 1 is a knee 10 having an anterior side 12. Knee 10 is flexed to about 90 degrees. A transverse incision 14, approximately 10 cm long, is made mediolaterally through the skin layer across the midline of knee 10 proximal of the tibial tuberosity. As depicted in FIG. 2, the tissue is retracted exposing in part a patellar ligament 18 and a tibial tuberosity 20 of a tibia 22. A portion of tibial tuberosity 20 connected to patellar ligament 18 is now elevated such that patellar ligament 18 remains connected thereto.
  • Specifically, FIG. 2 shows a lateral view of the proximal end of tibia 22. A distal portion 30 of tibial tuberosity 20 has been elevated while a proximal portion 32 of tibial tuberosity 20 remains integral with tibia 22. Patellar ligament 18 is excised from proximal portion 30 of tibial tuberosity 20 so that the distal end of patellar ligament 18 can be freely elevated in connection with distal portion 30 of tibial tuberosity 20. In one embodiment, distal portion 30 of tibial tuberosity 20 is sized such that between about ⅓ to about ½ of the central mediolateral width of patella ligament 18 and tibial tuberosity 20 is osteotimized from the proximal end of tibia 22. Thus about ⅓ to about ½ of the distal contact surface of patellar ligament 18 remains connected to distal portion 30 of tibial tuberosity 20.
  • Tibia 22 has an anterior cut surface 34. With reference to the lateral side view of tibia 22 depicted in FIG. 2, cut surface 34 includes a proximally arched undercut portion 36 formed on the distal end of proximal portion 32 of tibial tuberosity 20. As a result of cut surface 34, proximal portion 32 of tibial tuberosity 20 terminates at a distally projecting anterior ridge 42.
  • Cut surface 34 also includes a distally sloping portion 38 extending from undercut portion 36 to an anterior border 40 of tibia 22. Cut surface 34 partially bounds a pocket 35 and has a transverse configuration taken along a plane extending proximal to distal that is similar to a vertically bisected heart design as depicted on conventional playing cards. In contrast to forming a smooth bisected heart shape design, cut surface 34 can also form a sharp or slightly rounded inside angle that is typically 90° or less.
  • As depicted in FIG. 3, cut surface 34 also has a substantially wedged shaped transverse configuration taken along a plane extending anterior to posterior. Specifically, cut surface 34 comprises a lateral side 24 and an opposing medial side 26 that each slope inwardly so as to intersect at a vertical midline 28. In one embodiment, the inside angle θ between lateral side 24 and medial side 26 is in a range between about 60° to about 120° with about 80° to about 100° being more preferred. In alternative embodiments, cut surface 34 can be substantially flat extending mediolaterally or can form a rounded groove.
  • Elevated distal portion 30 of tibial tuberosity 20 has a cut surface 46 that is complementary to cut surface 34. As will be discussed below in greater detail, one of the benefits of the configuration of cut surfaces 34 and 46 is that once the procedure is complete, distal portion 30 of tibial tuberosity 20 is easily reinserted within pocket 35. The complementary mating with undercut surface 36 helps lock distal portion 30 within pocket 35 as distal potion 30 is pulled proximal by patellar ligament 18.
  • Distal portion 30 of tibial tuberosity 20 can be elevated using a number of different techniques. By way of example and not by limitation, depicted in FIG. 4 is one embodiment of a die cutter 50 incorporating features of the present invention. Die cutter 50 comprises a housing 52 having a substantially box shaped configuration. Housing 52 has a front face 56 and an opposing back face 57 with side faces 58 and 60 extending therebetween. A top face 54 and an opposing bottom face 55 also extend between faces 56 and 57. Housing 52 bounds a chamber 62. Chamber 62 communicates with the exterior through an elongated slot 64 formed on front face 52 and an opening 66 formed on each side face 58 and 60.
  • A handle 68 outwardly projects from top face 54 of housing 52. A threaded alignment bolt 69 passes through handle 68 and a portion of housing 52 so as to centrally project beyond front face 56 of housing 52. Alignment bolt 69 threadedly engages with handle 68 and/or housing 52 such that selective rotation of alignment bolt 69 facilitates selective positioning of alignment bolt 69 beyond front face 56 of housing 52.
  • Partially disposed within chamber 62 of housing 52 are a pair of translating arms 70 and 72. As depicted in FIG. 5, each translating arm 70 and 72 has a distal end 74 and an opposing proximal end 76. In one embodiment of the present invention, means are provided for selectively advancing at least one of the first and second translating arms 70, 72 toward the other. By way of example and not by limitation, a shaft 78 has threads formed along each end thereof with the threads being oriented in opposing directions. Each translating arm 70 and 72 is threaded onto a corresponding end of shaft 78. Accordingly, selective rotation of shaft 78 causes translating arms 70, 72 to either move together or move apart. A socket 83 is formed on each end face of shaft 78. Shaft 78 is selectively rotated by inserting a tool, such as a drill bit, through one of openings 66 (FIG. 4) of housing 52 and into socket 83 of shaft 78. Rotation of the tool thus facilitates rotation of shaft 78.
  • In alternative embodiments for the means for selectively advancing, it is appreciated that shaft 78 can be replaced with a variety of other conventional threaded shaft or bolt mechanisms. Furthermore, shaft 78 can be replaced with elongated levered handles or other conventional apparatus that facilitate manual movement of translating arms 70 and 72. In yet other embodiments, it is appreciated that hydraulic, pneumatic, or electrical mechanisms can be used for movement of translating arms 70 and 72.
  • A plurality of spaced apart rails 79 outwardly project from each side of each translating arm 70, 72. Rails 79 mesh with complementary rails 92 formed on the interior of housing 52. The meshing of rails 79 and 92 helps to ensure that translating arms 70, 72 are maintained in alignment during movement. Proper alignment of translating arms 70, 72 is further maintained by a pin 75 slidably extending through each of translating arms 70, 72.
  • Returning to FIG. 4, distal end 74 of each translating arm 70, 72 extends outside of chamber 62 through slot 64. Mounted at distal end 74 of each translating arm 70 and 72 is an outwardly sloping head plate 80. Each head plate 80 has an interior face 81 with an undercut engagement slot 82 formed thereon. Each interior face 81 is disposed in a corresponding plane. The planes intersect so as to form an inside angle that is substantially equal to the angle θ formed on cut surface 34. Slidably disposed within each slot 82 is a die 84. Each die 84 has a base 86 that is connected with a corresponding head plate 80 by being slidably engaged within slot 82. As a result, dies 84 can be easily replaced with new dies or with dies having an alternative configuration.
  • A blade 88 outwardly projects from each base 86 so as to extend orthogonally from interior face 81 of the corresponding head plate 80. Each blade 88 terminates at a free sharpened edge 90. Each blade 88 and corresponding sharpened edge 90 has a profile that is the same configuration as the profile of cut surface 34 of tibial tuberosity 20 previously discussed. Blades 88 are disposed so as to opposingly face at an intersecting angle. Accordingly, as shaft 78 is selectively rotated, translating arms 70, 72 move together causing sharpened edges 90 to mate together.
  • During use, once tibial tuberosity 20 is exposed as discussed above, die cutter 50 is positioned such that dies 84 are positioned on the lateral and medial side of tibial tuberosity 20. The free end of bolt 69 rests against the anterior surface of tibial tuberosity 20 and helps to facilitate proper positioning of dies 84. In this regard, bolt 69 functions as a spacer. In alternative embodiments, bolt 69 can be replaced with a variety of other mechanism that permit selective spacing adjustment. For example, a rod and clamp configuration can be used.
  • Once die cutter 50 is appropriately positioned, shaft 78 is selectively rotated, such as by the use of a drill, so that translating arm 70 and 72 are advanced together. In so doing, the dies 84 penetrate laterally and medially into tibial tuberosity 20. Dies 84 continue to advance until distal portion 30 of tibial tuberosity 20 is separated from proximal portion 32 thereof.
  • One of the benefits of using this process is that dies 84 produce very clean cut surfaces 34 and 46 with minimal bone loss. As a result, once the subsequent surgical procedure is completed, distal portion 30 can be fit back into pocket 35 with a close tolerance fit. It is appreciated that a variety of alternative configurations of die cutters can be used for selective die cutting of tibial tuberosity 20.
  • In contrast to die cutting tibial tuberosity 20, distal portion 30 of tibial tuberosity 20 can also be elevated using a saw blade. For example, depicted in FIGS. 6-8 is a guide 100. Guide 100 comprises a central plate 102 having a front face 104 and an opposing back face 106. Each of faces 104 and 106 extend between opposing sides 108 and 110. Extending between front face 104 and back face 106 are a plurality of passageways 112.
  • Formed on sides 108 and 110 of central plate 102 is a first side housing 114 and a second side housing 116, respectively. Each side housing 114 and 116 is formed so as to project beyond front face 104 of central plate 102. Each of side housings 114 and 116 has an inside face 118 and an opposing outside face 120. A cavity 122 extends through each of side housings 114 and 116 between faces 118 and 120. Removably disposed within cavity 122 of side housing 114 is a first template 124. A second template 126 is disposed within cavity 122 of side housing 116. Each template 124 and 126 has a substantially box-shaped configuration which includes an inside face 128 and an opposing outside face 130. Inside face 128 of templates 124 and 126 are each disposed in a corresponding plane. The planes intersect so as to form an inside angle that is substantially equal to the angle θ formed on cut surface 34.
  • A guide slot 132 extends through each of templates 124 and 126 between inside face 128 and outside face 130. Each guide slot 132 has a configuration complementary to the profile of cut surface 34 and extends through templates 124 and 126 at an orientation perpendicular to inside face 128.
  • During use, once tibial tuberosity 20 is exposed, front face 104 of central plate 102 is biased against the anterior side of tibial tuberosity 20 such that templates 124 and 126 are disposed on the lateral and medial side thereof. Guide slots 132 are aligned with distal portion 30 of tibial tuberosity 20 to be elevated. Once guide 100 is appropriately positioned, fasteners, such as screws, nails, or the like, are passed through passageways 112 and into tibia 22 so as to securely retain guide 100 to tibia 22. It is noted that passageways 112 are sloped such that the fasteners extending therethrough extend into portions of tibia 22 outside of distal portion 30 which is to be elevated.
  • Once guide 100 is positioned in place, a saw blade 140 is passed through guide slot 132 of template 124 from outside face 130 to inside face 128. Saw blade 140 is moved in a reciprocating manner so as to penetrate half way into tibial tuberosity 20. Once the reciprocating saw blade 140 has completed passage along guide slot 132, saw blade 140 is moved over to template 126 and passed through the guide slot 132 thereof. The process is then repeated. Once both cuttings are performed, distal portion 30 of tibial tuberosity 20 is freely removable from the remainder of tibia 22. The fasteners are then removed along with guide 100. As with die cutters 50, it is appreciated that guide 100 can come in a variety of alternative configurations.
  • As previously mentioned, once distal portion 30 of tibial tuberosity 20 is elevated, patellar ligament 18 is retracted proximally, thereby exposing the knee joint. Once the knee joint is exposed, any number of knee related surgical procedures, such as total or partial knee arthroplasty, can be performed. Referring back to FIG. 2, upon completion of the surgical procedure, patellar ligament 18 is secured back in place by inserting distal portion 30 of tibial tuberosity 20 back into pocket 35. As a result of undercut portion 36, distal portion 30 of tibial tuberosity 20 is self-locking within pocket 35. If desired, however, various types of conventional bone anchors can be used to further secure distal portion 30 of tibial tuberosity 20 within pocket 35.
  • The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The described embodiments are to be considered in all respects only as illustrative and not restrictive. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (12)

1. A method of cutting bone with a bone die cutter, the method comprising:
positioning complementary cutting dies on at least substantially opposing sides of a bone;
pressing at least one of the cutting dies toward the other so that the cutting dies cut a bone portion from the bone;
separating the cut bone portion from the bone; and
reattaching the cut bone portion to the bone.
2. A method as recited in claim 1, wherein the act of separating the cut bone portion forms a recessed pocket on the bone, the cut bone portion being reattached into the recessed pocket.
3. A method as recited in claim 1, wherein the recessed pocket includes an undercut portion.
4. A method as recited in claim 1, further comprising the act of performing a surgical procedure between the acts of separating and reattaching.
5. A method as recited in claim 1, wherein the cutting dies are positioned on opposing lateral and medial sides of a tibial tubercle such that the cut bone portion comprises at least a portion of the tibial tubercle.
6. A method as recited in claim 5, further comprising performing a total knee arthroplasty or a partial knee arthroplasty between the steps of separating and reattaching.
7. A method as recited in claim 1, wherein the cutting dies are positioned on opposing sides of a distal portion of a tibial tubercle such that the separated cut bone portion comprises the distal portion of the tibial tubercle while a proximal portion of the tibial tubercle remains attached to the tibia.
8. A method as recited in claim 7, wherein the distal portion of the tibial tubercle is separated from the tibia so that at least a portion of a patella ligament remains attached to the distal portion of the tibial tubercle.
9. A method as recited in claim 8, wherein the distal portion of the tibial tubercle is separated from the tibia so that a recessed undercut pocket is at least partially formed on the proximal portion of the tibial tubercle.
10. A method as recited in claim 1, wherein each of the dies has a blade projecting therefrom, the act of positioning the complementary cutting dies comprising positioning the dies so that the blades intersect at an angle when the blades are brought together.
11. A method as recited in claim 1, wherein each of the dies has a transverse cross sectional configuration that corresponds substantially to the contour of an exterior surface of a vertically bisected heart design.
12. A method as recited in claim 1, wherein the step of positioning complementary cutting dies comprises positioning a die cutter adjacent to the bone, the die cutter comprising a housing having a pair of translation arms extending therefrom, each cutting die being disposed at the end of a corresponding translation arm.
US11/321,192 2003-02-06 2005-12-29 Methods for cutting bone Abandoned US20060106396A1 (en)

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Application Number Priority Date Filing Date Title
US10/360,250 US7112204B2 (en) 2003-02-06 2003-02-06 Tibial tubercle osteotomy for total knee arthroplasty and instruments and implants therefor
FR0408218A FR2865627B1 (en) 2003-02-06 2004-07-23 tubercle osteotomy tibial for knee replacement surgery and instruments and implants
US11/321,192 US20060106396A1 (en) 2003-02-06 2005-12-29 Methods for cutting bone

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US11/321,192 US20060106396A1 (en) 2003-02-06 2005-12-29 Methods for cutting bone

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US10/360,250 Division US7112204B2 (en) 2003-02-06 2003-02-06 Tibial tubercle osteotomy for total knee arthroplasty and instruments and implants therefor

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US10/360,250 Active 2024-08-30 US7112204B2 (en) 2003-02-06 2003-02-06 Tibial tubercle osteotomy for total knee arthroplasty and instruments and implants therefor
US11/321,192 Abandoned US20060106396A1 (en) 2003-02-06 2005-12-29 Methods for cutting bone
US11/344,877 Active 2027-01-29 US8262664B2 (en) 2003-02-06 2006-02-01 Methods for performing a tibial tubercle osteotomy

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JP (1) JP4499441B2 (en)
AU (1) AU2004200301B2 (en)
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DE (1) DE102004005512B4 (en)
FR (2) FR2850858B1 (en)
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US20060149274A1 (en) * 2003-02-06 2006-07-06 Medincelodge, Inc. Methods for performing a tibial tubercle osteotomy
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US20060241636A1 (en) * 2005-01-31 2006-10-26 Novak Vincent P Method and apparatus for forming a wedge-like opening in a bone for an open wedge osteotomy
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US20080208199A1 (en) * 2006-11-22 2008-08-28 Kelly Ammann Method and apparatus for performing an open wedge, high tibial osteotomy
US20090054899A1 (en) * 2005-01-31 2009-02-26 Ammann Kelly G Method and apparatus for performing an open wedge, high tibial osteotomy
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US8083749B2 (en) 2006-12-01 2011-12-27 Arthrex, Inc. Method and apparatus for performing an open wedge, low femoral osteotomy
US8137406B2 (en) 2006-09-27 2012-03-20 Arthrex, Inc. Method and apparatus for performing an open wedge, high tibial osteotomy
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US8771279B2 (en) 2005-01-31 2014-07-08 Arthrex, Inc. Method and apparatus for performing an osteotomy in bone
US8906026B2 (en) 2005-01-31 2014-12-09 Arthrex, Inc. Method and apparatus for performing an open wedge, high tibial osteotomy
US20150071885A1 (en) * 2013-09-12 2015-03-12 Klsmc Stem Cells Sdn Bhd Osteotomy below the tibial tuberosity by multiple drilling

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FR2850858B1 (en) 2006-05-12
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