IN2012DN03218A - - Google Patents

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Publication number
IN2012DN03218A
IN2012DN03218A IN3218DEN2012A IN2012DN03218A IN 2012DN03218 A IN2012DN03218 A IN 2012DN03218A IN 3218DEN2012 A IN3218DEN2012 A IN 3218DEN2012A IN 2012DN03218 A IN2012DN03218 A IN 2012DN03218A
Authority
IN
India
Prior art keywords
implant
rim
fastener
extension
edge
Prior art date
Application number
Other languages
English (en)
Inventor
Maikel Michael Adrianus Beerens
Paul Frans Jozef Laeven
Jules Maria Nikolaas Poukens
Original Assignee
Academisch Ziekenhuis Maastricht
Universitiet Maastricht
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
Application filed by Academisch Ziekenhuis Maastricht, Universitiet Maastricht filed Critical Academisch Ziekenhuis Maastricht
Publication of IN2012DN03218A publication Critical patent/IN2012DN03218A/en

Links

Classifications

    • 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
    • A61F2/28—Bones
    • A61F2/2875—Skull or cranium
    • 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
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • 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
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
    • 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
    • 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
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/30774—Apertures or holes, e.g. of circular cross section internally-threaded
    • 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
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/30784—Plurality of holes
    • A61F2002/30787—Plurality of holes inclined obliquely with respect to each other
    • 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
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/3079—Stepped or enlarged apertures, e.g. having discrete diameter changes
    • 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
    • A61F2/3094—Designing or manufacturing processes
    • A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
    • A61F2002/30948—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques using computerized tomography, i.e. CT scans
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys
    • A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00179—Ceramics or ceramic-like structures

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Dentistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Neurosurgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)
IN3218DEN2012 2009-09-24 2010-09-21 IN2012DN03218A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09171189 2009-09-24
PCT/EP2010/063887 WO2011036148A1 (en) 2009-09-24 2010-09-21 Cranial implant

Publications (1)

Publication Number Publication Date
IN2012DN03218A true IN2012DN03218A (enrdf_load_stackoverflow) 2015-10-23

Family

ID=41694919

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3218DEN2012 IN2012DN03218A (enrdf_load_stackoverflow) 2009-09-24 2010-09-21

Country Status (10)

Country Link
US (2) US9744042B2 (enrdf_load_stackoverflow)
EP (1) EP2480170B1 (enrdf_load_stackoverflow)
JP (1) JP5676619B2 (enrdf_load_stackoverflow)
CN (1) CN102596103B (enrdf_load_stackoverflow)
AU (1) AU2010299948B2 (enrdf_load_stackoverflow)
BR (1) BR112012006526B8 (enrdf_load_stackoverflow)
ES (1) ES2481872T3 (enrdf_load_stackoverflow)
IN (1) IN2012DN03218A (enrdf_load_stackoverflow)
RU (1) RU2545445C2 (enrdf_load_stackoverflow)
WO (1) WO2011036148A1 (enrdf_load_stackoverflow)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120172711A1 (en) * 2009-02-04 2012-07-05 Marshall Kerr Injectable Vascular Access Port with Discernable Markers for Identification
US9744042B2 (en) 2009-09-24 2017-08-29 Academish Ziekenhuis Maastricht; Universiteit Maastricht Cranial implant
CN102490350B (zh) * 2011-10-10 2014-12-17 黄登峰 利用peek材料制成脑颅骨的工艺及专用设备及应用
EP2786854B1 (en) * 2011-11-29 2018-02-14 Wuhan Constant Science and Technology Ltd. Process utilizing peek material to manufacture cerebral cranium bone and special equipment
JP5997934B2 (ja) * 2012-05-25 2016-09-28 京セラメディカル株式会社 頭蓋骨用プレート
US9216084B2 (en) 2013-08-09 2015-12-22 Howmedica Osteonics Corp. Patient-specific craniofacial implants
US10639158B2 (en) 2013-08-09 2020-05-05 Plastic Surgery Llc Patient-specific craniofacial implants
FR3010628B1 (fr) 2013-09-18 2015-10-16 Medicrea International Procede permettant de realiser la courbure ideale d'une tige d'un materiel d'osteosynthese vertebrale destinee a etayer la colonne vertebrale d'un patient
FR3012030B1 (fr) 2013-10-18 2015-12-25 Medicrea International Procede permettant de realiser la courbure ideale d'une tige d'un materiel d'osteosynthese vertebrale destinee a etayer la colonne vertebrale d'un patient
EP3171800B1 (en) 2014-07-24 2018-09-12 Xilloc Medical B.V. Implant with suture anchors and method
JP6632313B2 (ja) * 2015-10-16 2020-01-22 ＨＯＹＡ Ｔｅｃｈｎｏｓｕｒｇｉｃａｌ株式会社 インプラント
WO2017079655A2 (en) 2015-11-04 2017-05-11 Mcafee Paul C Methods and apparatus for spinal reconstructive surgery and measuring spinal length and intervertebral spacing, tension and rotation
US20180042726A1 (en) * 2015-11-25 2018-02-15 Michael J. Yaremchuk Cranial implant
WO2017190126A1 (en) * 2016-04-29 2017-11-02 University Of Iowa Research Foundation Rapid matching process for cranioplasty plates and template
US10912648B2 (en) 2016-08-30 2021-02-09 Longeviti Neuro Solutions Llc Method for manufacturing a low-profile intercranial device and the low-profile intercranial device manufactured thereby
WO2018109556A1 (en) 2016-12-12 2018-06-21 Medicrea International Systems and methods for patient-specific spinal implants
RU175525U1 (ru) * 2017-02-09 2017-12-07 Общество с ограниченной ответственностью "Айкон Лаб ГмбХ" Комбинированный имплантат для реконструкции дефектов основания черепа
JP7165668B2 (ja) 2017-04-21 2022-11-04 メディクレア インターナショナル １種または複数の患者特異的脊椎インプラントを開発するためのシステム
US10918422B2 (en) 2017-12-01 2021-02-16 Medicrea International Method and apparatus for inhibiting proximal junctional failure
FR3078879B1 (fr) 2018-03-14 2020-03-06 Assistance Publique Hopitaux De Paris Kit chirurgical a utiliser lors d'une procedure de craniectomie
CN213217528U (zh) * 2018-03-20 2021-05-18 姜国 一种颅骨减压连接器
DE102018121553A1 (de) * 2018-09-04 2020-03-05 Karl Leibinger Medizintechnik Gmbh & Co. Kg Knochenimplantat zur Rekonstruktion eines knöchernen Defektes und zum Führen eines Markierungs- und/oder Bearbeitungswerkzeug zur Übertragung notwendiger Osteotomiesituationen
US11944385B2 (en) 2019-04-02 2024-04-02 Medicrea International Systems and methods for medical image analysis
WO2020201353A1 (en) 2019-04-02 2020-10-08 Medicrea International Systems, methods, and devices for developing patient-specific spinal implants, treatments, operations, and/or procedures
US11925417B2 (en) 2019-04-02 2024-03-12 Medicrea International Systems, methods, and devices for developing patient-specific spinal implants, treatments, operations, and/or procedures
FR3103389B1 (fr) 2019-11-25 2022-09-09 Carthera Dispositif medical implantable pour l’imagerie et/ou le traitement d’un tissu cerebral
US11769251B2 (en) 2019-12-26 2023-09-26 Medicrea International Systems and methods for medical image analysis
US20230032649A1 (en) * 2020-02-24 2023-02-02 Acumed Llc Craniofacial implants for neuroplastic surgery
US12318144B2 (en) 2021-06-23 2025-06-03 Medicrea International SA Systems and methods for planning a patient-specific spinal correction
USD955582S1 (en) 2021-11-02 2022-06-21 CraniUS LLC Cranial implant

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH645264A5 (de) * 1980-05-28 1984-09-28 Straumann Inst Ag Einrichtung mit einer platte und zu deren befestigung an einem knochen dienenden schrauben.
SU942708A1 (ru) * 1980-07-24 1982-07-15 Кемеровский государственный медицинский институт Способ краниопластики
US4629451A (en) * 1985-09-23 1986-12-16 Victory Engineering Corp. Stereotaxic array plug
DE4111856C1 (enrdf_load_stackoverflow) * 1991-04-11 1992-07-16 Oswald Leibinger Gmbh, 7202 Muehlheim, De
US5569250A (en) * 1994-03-01 1996-10-29 Sarver; David R. Method and apparatus for securing adjacent bone portions
US5954723A (en) * 1994-04-26 1999-09-21 Spetzler; Robert F. Method and apparatus for securing a cranial plate with pins
US5501685A (en) * 1994-04-26 1996-03-26 Spetzler; Robert F. Method for securing a cranial piece in position
RU2133113C1 (ru) * 1997-11-20 1999-07-20 Государственный научно-клинический центр охраны здоровья шахтеров Устройство для эндопротезирования дефектов костей черепа
US6197030B1 (en) 1997-12-30 2001-03-06 Christopher J. Pham Elastic loaded retractable pin device for cranial bone attachment
DE19907354C2 (de) * 1999-02-20 2002-11-28 Aesculap Ag & Co Kg Implantat zur Festlegung einer Knochenplatte
US6179839B1 (en) * 1999-09-20 2001-01-30 Kinetikos Medical Incorporated Bone fusion apparatus and method
US6379363B1 (en) * 1999-09-24 2002-04-30 Walter Lorenz Surgical, Inc. Method and apparatus for reattachment of a cranial flap using a cranial clamp
RU2181298C2 (ru) * 1999-10-13 2002-04-20 Кемеровская городская клиническая больница № 3 им. М.А. Подгорбунского Способ замещения дефекта кости черепа
US6190389B1 (en) 1999-11-09 2001-02-20 Bioplate, Inc. Bone alignment and fixation device and method
US6618623B1 (en) 2000-11-28 2003-09-09 Neuropace, Inc. Ferrule for cranial implant
JP2003070816A (ja) 2001-08-30 2003-03-11 Pentax Corp インプラントの設計方法およびインプラント
DE10205912A1 (de) 2002-02-13 2003-08-21 Leibinger Medizintech Vorrichtung zur Refixierung einer kraniotomierten Schädelkalotte
DE60335005D1 (de) * 2002-07-22 2010-12-30 Acumed Llc Knochenfusionssystem
GB2412875A (en) * 2002-11-19 2005-10-12 Acumed Llc Deformable bone plates
US8298292B2 (en) * 2003-04-16 2012-10-30 Howmedica Osteonics Corp. Craniofacial implant
WO2005074580A2 (en) * 2004-02-02 2005-08-18 Acumed Llc Bone plate with toothed aperture
US20070162017A1 (en) * 2005-11-28 2007-07-12 Gambale Michael A Method and apparatus for treatment of bones
US20060287654A1 (en) * 2006-08-11 2006-12-21 Jeffrey Posnick Implant securing device and method
DK2014258T3 (da) 2007-07-10 2011-07-18 Maastricht Instr B V Kranie implantat
US9744042B2 (en) 2009-09-24 2017-08-29 Academish Ziekenhuis Maastricht; Universiteit Maastricht Cranial implant

Also Published As

Publication number Publication date
AU2010299948B2 (en) 2015-08-20
JP5676619B2 (ja) 2015-02-25
EP2480170A1 (en) 2012-08-01
US10383732B2 (en) 2019-08-20
AU2010299948A1 (en) 2012-04-12
BR112012006526B1 (pt) 2020-10-13
BR112012006526B8 (pt) 2021-06-22
JP2013505754A (ja) 2013-02-21
ES2481872T3 (es) 2014-07-31
EP2480170B1 (en) 2014-04-30
RU2545445C2 (ru) 2015-03-27
WO2011036148A1 (en) 2011-03-31
CN102596103A (zh) 2012-07-18
US20120203289A1 (en) 2012-08-09
US20180028318A1 (en) 2018-02-01
CN102596103B (zh) 2015-06-17
US9744042B2 (en) 2017-08-29
BR112012006526A2 (pt) 2016-04-26
RU2012114921A (ru) 2013-10-27

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