WO2010029246A1 - Implant intramedullaire resorbable entre deux os ou deux fragments osseux - Google Patents

Implant intramedullaire resorbable entre deux os ou deux fragments osseux Download PDF

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Publication number
WO2010029246A1
WO2010029246A1 PCT/FR2009/051658 FR2009051658W WO2010029246A1 WO 2010029246 A1 WO2010029246 A1 WO 2010029246A1 FR 2009051658 W FR2009051658 W FR 2009051658W WO 2010029246 A1 WO2010029246 A1 WO 2010029246A1
Authority
WO
WIPO (PCT)
Prior art keywords
implant according
implant
anchoring
zone
zones
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/FR2009/051658
Other languages
English (en)
French (fr)
Inventor
Bernard Prandi
Marc Augoyard
Thomas Ledermann
Tristan Meusnier
Jacques Peyrot
Judith Fellmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Memometal Technologies SAS
Original Assignee
Memometal Technologies SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40380661&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2010029246(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Memometal Technologies SAS filed Critical Memometal Technologies SAS
Priority to US12/918,105 priority Critical patent/US8414583B2/en
Priority to EP09741356.1A priority patent/EP2339977B1/fr
Priority to CA2736587A priority patent/CA2736587C/en
Priority to AU2009290724A priority patent/AU2009290724B2/en
Priority to JP2011526540A priority patent/JP5645826B2/ja
Publication of WO2010029246A1 publication Critical patent/WO2010029246A1/fr
Anticipated expiration legal-status Critical
Priority to US13/795,946 priority patent/US9168074B2/en
Priority to US14/858,855 priority patent/US10383671B2/en
Priority to US16/506,353 priority patent/US12059186B2/en
Priority to US18/770,767 priority patent/US12484942B2/en
Priority to US19/023,889 priority patent/US12383319B2/en
Priority to US19/023,819 priority patent/US12390255B2/en
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8605—Heads, i.e. proximal ends projecting from bone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
    • A61B17/1655—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans for tapping
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/72—Intramedullary devices, e.g. pins or nails
    • A61B17/7233—Intramedullary devices, e.g. pins or nails with special means of locking the nail to the bone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4225—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for feet, e.g. toes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4241—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/72—Intramedullary devices, e.g. pins or nails
    • A61B17/7208—Flexible pins, e.g. ENDER pins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/72—Intramedullary devices, e.g. pins or nails
    • A61B17/7216—Intramedullary devices, e.g. pins or nails for bone lengthening or compression
    • A61B17/7225—Intramedullary devices, e.g. pins or nails for bone lengthening or compression for bone compression
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/72—Intramedullary devices, e.g. pins or nails
    • A61B17/7233—Intramedullary devices, e.g. pins or nails with special means of locking the nail to the bone
    • A61B17/7258—Intramedullary devices, e.g. pins or nails with special means of locking the nail to the bone with laterally expanding parts, e.g. for gripping the bone
    • A61B17/7266—Intramedullary devices, e.g. pins or nails with special means of locking the nail to the bone with laterally expanding parts, e.g. for gripping the bone with fingers moving radially outwardly
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/72—Intramedullary devices, e.g. pins or nails
    • A61B17/7283—Intramedullary devices, e.g. pins or nails with special cross-section of the nail
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00831—Material properties
    • A61B2017/00862—Material properties elastic or resilient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B2017/681—Alignment, compression, or distraction mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/30062—(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30563—Special structural features of bone or joint prostheses not otherwise provided for having elastic means or damping means, different from springs, e.g. including an elastomeric core or shock absorbers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
    • A61F2002/30622—Implant for fusing a joint or bone material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/3085—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with a threaded, e.g. self-tapping, bone-engaging surface, e.g. external surface
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable

Definitions

  • the invention relates to the technical field of orthopedic implants, in particular for arthrodesis and osteosynthesis.
  • the invention relates to an intramedullary implant for performing arthrodesis between two parts of bone or osteosynthesis between two bone fragments, especially in the case of the hand or foot.
  • the problem to be solved by the invention is to further improve the anchoring and stability of the implant and its adaptation to the morphology of the implantation site, when said implant is made of a resorbable material.
  • the implant is made of a resorbable material whose mechanical properties are determined to last the time of the necessary consolidation, so that said implant is resorbable beyond 6 months.
  • the implant is composed of polymer or copolymer of lactic acid (PLA, PGA, 7)
  • PLA polymer or copolymer of lactic acid
  • the cylindrical section area is threaded and has a degressive cross section towards its free end.
  • the flattened section zone has, substantially in its middle part, an opening capable of allowing a deformation by elasticity of said zone.
  • the opening defines at least two anchors.
  • the body has a central transition zone able to withstand the shear stresses and bending exerting at the bone hearth and able to act as a stop.
  • the anchoring zones are arranged in coaxial alignment, or the anchoring zones are angularly offset between 1 ° and 30 °, and preferably 10 °.
  • the fold line between the anchoring zones is located to correspond substantially to an arthrodesis line of the considered bones.
  • FIG. 1 is a perspective view of the implant
  • FIG. 1 is a front view of the implant before introduction into the bone part considered
  • FIG. 3 is a side view corresponding to FIG. 2;
  • FIG. 4 is a view similar to Figure 2 showing the positioning of the anchoring tabs of the flat section after introduction;
  • FIG. 5 is a perspective view of another advantageous embodiment of the implant;
  • the implant comprises a body (1) monobloc elongate and having a first so-called proximal zone (A1) and a second so-called distal zone (A2).
  • the entire body of the implant is made of a resorbable material whose mechanical properties are determined so that the implant resorbs in a time greater than 6 months.
  • the implant is composed of polymer or copolymer of lactic acid (PLA, PGA, ).
  • the zones (A1) and (A2) have anchoring arrangements with the corresponding parts of bone.
  • the area (Al) is cylindrical section, while the other area (A2) is flat section.
  • the zone (Al) is constituted by a cylindrical bearing surface (la) having a reduced conicity in the direction of the free end.
  • the span (la) has a helical rib acting as a thread (IaI).
  • the region (A2) of flat section has, substantially in its middle part, an opening (Ib) capable of allowing elastic deformation of said zone (A2). More particularly, the opening (Ib) delimits at least two anchors (Ic) and (Id) each having at least one external notch (Here) (IdI).
  • the body (1) has a central transition zone (C) capable of withstanding the shear and bending stresses likely to be exerted on the bone hearth.
  • this central zone (C) may have a width of about 3.5 mm for a thickness of about 2 mm, for an implant length of between about 15 and 25 mm with a diameter of 2 or About 3 mm at the zone (Al).
  • the two zones (A1) and (A2) are arranged in coaxial alignment.
  • the anchoring zones (Al) and (A2) can be angularly offset by an angle ⁇ adapted to the geometry of the bone site.
  • This angle ⁇ is between approximately 1 ° and 30 ° and advantageously of the order of 10 ° in the case of an application of the implant to an arthrodesis of the foot (FIG.
  • the fold line is located to correspond substantially to an arthrodesis line of the bone parts considered.
  • FIGs 6 and 7 show, schematically, the positioning of the implant according to the invention between two bone parts (01) and (02).
  • the operator screws the threaded bearing surface (la) in the part of bone considered (01) up to substantially the central zone (C) which makes abutment chamber preventing excessive insertion of the implant into the bone in question (Figure 6).
  • the operator then comes to raise the second portion of bone (02) on the anchors (Id) and (Ic) of the zone (A2), which tighten by elasticity ( Figure 7).
  • the operative technique may be the following:

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Neurology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Dentistry (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)
PCT/FR2009/051658 2008-09-09 2009-09-02 Implant intramedullaire resorbable entre deux os ou deux fragments osseux Ceased WO2010029246A1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US12/918,105 US8414583B2 (en) 2008-09-09 2009-09-02 Resorptive intramedullary implant between two bones or two bone fragments
EP09741356.1A EP2339977B1 (fr) 2008-09-09 2009-09-02 Implant intramedullaire resorbable entre deux os ou deux fragments osseux
CA2736587A CA2736587C (en) 2008-09-09 2009-09-02 Resorptive intramedullary implant between two bones or two bone fragments
AU2009290724A AU2009290724B2 (en) 2008-09-09 2009-09-02 Resorptive intramedullary implant between two bones or two bone fragments
JP2011526540A JP5645826B2 (ja) 2008-09-09 2009-09-02 ２つの骨又は２つの骨片の間の吸収性髄内インプラント
US13/795,946 US9168074B2 (en) 2008-09-09 2013-03-12 Resorptive intramedullary implant between two bones or two bone fragments
US14/858,855 US10383671B2 (en) 2008-09-09 2015-09-18 Resorptive intramedullary implant between two bones or two bone fragments
US16/506,353 US12059186B2 (en) 2008-09-09 2019-07-09 Resorptive intramedullary implant between two bones or two bone fragments
US18/770,767 US12484942B2 (en) 2008-09-09 2024-07-12 Resorptive intramedullary implant between two bones or two bone fragments
US19/023,889 US12383319B2 (en) 2008-09-09 2025-01-16 Resorptive intramedullary implant between two bones or two bone fragments
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US20190328433A1 (en) 2019-10-31
US20160008045A1 (en) 2016-01-14
US20250160913A1 (en) 2025-05-22
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US20130190761A1 (en) 2013-07-25
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US20110144644A1 (en) 2011-06-16
US20250152218A1 (en) 2025-05-15
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US10383671B2 (en) 2019-08-20
AU2009290724A1 (en) 2010-03-18
FR2935601B1 (fr) 2010-10-01
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US12484942B2 (en) 2025-12-02
EP2339977A1 (fr) 2011-07-06

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