WO2024019690A2 - Cage de corpectomie - Google Patents

Cage de corpectomie Download PDF

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Publication number
WO2024019690A2
WO2024019690A2 PCT/TR2023/050693 TR2023050693W WO2024019690A2 WO 2024019690 A2 WO2024019690 A2 WO 2024019690A2 TR 2023050693 W TR2023050693 W TR 2023050693W WO 2024019690 A2 WO2024019690 A2 WO 2024019690A2
Authority
WO
WIPO (PCT)
Prior art keywords
vertebra
stud
movable body
corpectomy cage
vertebrae
Prior art date
Application number
PCT/TR2023/050693
Other languages
English (en)
Other versions
WO2024019690A3 (fr
Inventor
Teyfik DEMIR
Tolga TURKMEN
Original Assignee
Tobb Ekonomi Ve Teknoloji Universitesi
Gazi Universitesi Rektorlugu
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
Priority claimed from TR2022/011525 external-priority patent/TR2022011525A2/tr
Application filed by Tobb Ekonomi Ve Teknoloji Universitesi, Gazi Universitesi Rektorlugu filed Critical Tobb Ekonomi Ve Teknoloji Universitesi
Publication of WO2024019690A2 publication Critical patent/WO2024019690A2/fr
Publication of WO2024019690A3 publication Critical patent/WO2024019690A3/fr

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
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
    • A61F2/446—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages having a circular or elliptical cross-section substantially parallel to the axis of the spine, e.g. cylinders or frustocones
    • 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
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
    • 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
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/30495—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a locking ring
    • 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
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/30507—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a threaded locking member, e.g. a locking screw or a set screw
    • 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
    • A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
    • 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
    • A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
    • A61F2002/30556—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting thickness
    • 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
    • A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
    • A61F2002/30578—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs having apertures, e.g. for receiving fixation screws
    • 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
    • A61F2002/30579—Special structural features of bone or joint prostheses not otherwise provided for with mechanically expandable devices, e.g. 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
    • 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
    • A61F2002/30601—Special structural features of bone or joint prostheses not otherwise provided for telescopic
    • 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
    • A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes

Definitions

  • the present invention relates to a corpectomy cage which is used in spinal surgery, is placed between the vertebrae during the operation, and maintains the distance between the vertebrae at a preferred distance.
  • the vertebrae that make up the spine may lose their function and break due to trauma, infection, tumors, and aging, and may apply pressure on the spinal cord causing loss of strength, paralysis and acute pain.
  • the patients are operated through anterior or posterior cervical spine.
  • anterior cervical spine In case of operations performed through the anterior cervical spine, the region between two vertebrae is emptied and the disc between said vertebrae is removed, and, if necessary, the body (corpus) of the damaged vertebrae is removed, and subsequent to cleaning the region, a cage, into which bone graft is added and which prevents collapse between the vertebrae, is placed.
  • the cage structures used in the state of the art are typically sized by taking the distance between the vertebrae of the patient as an average.
  • cage structures with adjustable height are of significant importance since the anatomy and vertebral length differ from one patient to another.
  • Cage structures can be made of various materials, typically of metal, carbon and poly etheretherketone (PEEK).
  • the United States patent document US2010217393 (Al), an application in the state of the art, discloses an intervertebral implant and a fixation method thereof.
  • the implant body which is made of a biocompatible material, is pushed between the vertebrae, and then fixed by means of two screws so that the upper and lower vertebrae extend through the holes on the body. Coupling is achieved without using an additional plate, by means of an angular gap provided on the body.
  • the International patent document WO2017119862 (Al), an application in the state of the art, discloses a design for a vertebra support implant.
  • the upper plate which is extended by being moved on a central threaded part, is fixed to the upper vertebra through the screw holes provided thereon.
  • Another object of the present invention is to provide a corpectomy cage whose mobility is reduced by means of the blade inserted into the vertebra.
  • a further object of the present invention is to provide a corpectomy cage wherein a screw can be passed through the blade that is inserted into the vertebra.
  • Yet another object of the present invention is to provide a corpectomy cage which can be rigidly connected to the vertebra by means of the screw passed through the blade that is inserted into the vertebra.
  • a corpectomy cage which is developed to achieve the objects of the present invention and is defined in the first claim and the other claims dependent thereon, preferably comprises a fixed body, a movable body, and a stud member movable through the said movable body in the direction of the vertebra. Where preferred, the said stud member is moved in the direction of the vertebra and fixed to the vertebra.
  • Figure 1 is a perspective view of the corpectomy cage.
  • Figure 2 is a cross-sectional perspective view of the corpectomy cage.
  • Figure 3 is an exploded perspective view of the corpectomy cage.
  • Figure 4. is a perspective view of the moveable body.
  • Figure 5. is a perspective view of the stud member.
  • Figure 6. is a perspective view of the second screw hole in the movable body and the stud screw hole in the stud member when the center axes thereof are coincident.
  • Figure 7. is a perspective view of the guiding member.
  • Figure 8. is a perspective view of the fixed body.
  • a corpectomy cage (1) which is used in spinal surgeries, is placed between the vertebrae during the operation, and maintains the distance between the vertebrae within the preferred range, basically comprises at least one fixed body (2), which is adapted to contact one of the two vertebrae between which the corpectomy cage (1) is placed, and which ensures that the vertebra does not approach the other vertebra and remains fixed, at least one movable body (3) which is adapted to contact the other vertebra of the two vertebrae that is not in contact with the fixed body (2) and to be movable within the fixed body (2) in the direction of said other vertebra, and which enables the distance between the two vertebrae to be increased as preferred, at least one stud member (5), which is adapted to move through the movable body (3) in the direction of the vertebra, and which, after the movable body (3) brings the distance between the two vertebrae to a preferred distance, is guided in the direction of the vertebra and inserted into the vertebra thereby enabling fixation, at least one guiding member (6) which, when rotated about its
  • the corpectomy cage (1) in one embodiment of the invention which can be placed between two vertebrae, comprises at least one fixed body (2).
  • the said fixed body (2) is generally formed in a cylindrical geometric form and has a hole (2.2) in its central part.
  • the movable body (3) is placed in the said hole (2.2) and the movable body (3) can move within this hole (2.2) in the direction of the central axis of the fixed body (2).
  • the fixed body (2) has a first surface (2.1) and the said first surface
  • the fixed body (2) is the surface where the fixed body (2) contacts the vertebra. When the fixed body (2) is positioned between two vertebrae, the first surface (2.1) contacts one of the vertebrae, thereby supporting the positioning of the fixed body (2) between the vertebrae.
  • the fixed body (2) is also provided with a locking slot (2.3).
  • the said locking slot (2.3) is the place where the locking member (7), which provides locking so that the movable body (3) maintains its current position after the movable body
  • the locking member (7) is advanced by being passed through the said locking slot (2.3) and being rotated about its own axis in one direction, and in this way, the locking member (7) compresses the movable body (3) within the hole
  • a first screw protrusion (2.4) is formed in the fixed body (2) so that the fixed body (2) can remain in its position after the fixed body
  • the said first screw protrusion (2.4) is placed on the vertebra such that it is almost perpendicular to the part of the vertebra in contact with the first surface (2.1) and fits on the other side thereof.
  • the corpectomy cage (1) in this embodiment of the invention comprises a movable body (3) in addition to the fixed body (2).
  • the said movable body (3) enters into the fixed body (2) when advanced in one direction along the central axis of the fixed body (2) within the hole (2.2) provided in the fixed body (2), and when it is advanced in the other direction, it provides support by contacting the other vertebra of the two vertebrae that the fixed body (2) is not in contact with.
  • the movable body (3) enters into the fixed body (2) when advanced in one direction along the central axis of the fixed body (2) within the hole (2.2) provided in the fixed body (2), and when it is advanced in the other direction, it provides support by contacting the other vertebra of the two vertebrae that the fixed body (2) is not in contact with.
  • the movable body (3) enters into the fixed body (2) when advanced in one direction along the central axis of the fixed body (2) within the hole (2.2) provided in the fixed body (2), and when it is advanced in the other direction, it provides support by contacting the other vertebra
  • the movable body (3) is also provided with a hollow extension (3.3).
  • the said hollow extension (3.3) is adapted to encompass the stud member (5) so that the stud member (5) can move in the direction of the vertebra or in the opposite direction along the central axis of the movable body (3).
  • the stud member (5) moves within the said hollow extension (3.3).
  • the movable body (3) (3.3.1) is the surface which, during the locking of the movable body (3) by means of the locking member (7) after it is brought to the preferred height, creates friction via the locking member (7) and prevents movement of the movable body (3).
  • the movable body (3) also has a second screw protrusion (3.4) similar to the fixed body (2). A screw is passed through a second screw hole (3.4.1) provided in the said second screw protrusion (3.4), and in this way, the movable body (3) is enabled to be fixed to the vertebra that is in contact with the second surface (3.1).
  • the corpectomy cage (1) in this embodiment of the invention comprises at least one blocking member (4) on both the first surface (2.1) of the fixed body (2) and the second surface (3.1) of the movable body (3).
  • the said blocking member (4) enhances attachment thanks to the fact that the fitting tip (4.1) provided in the blocking member (4) is inserted into the vertebrae when the first surface (2.1) and the second surface (3.1) come into contact with the vertebrae.
  • the corpectomy cage (1) in this embodiment of the invention comprises a stud member (5) which moves through the movable body (3) in the direction of the vertebra and is inserted into the vertebra and enhances attachment.
  • the said stud member (5) is comprised of a stud end (5.1) and a pusher body (5.2).
  • a stud end (5.1) on the side of the stud member (5) advancing from the second surface (3.1) towards the vertebra.
  • the stud end (5.1) has a pointed structure and is formed in such a way that, in case force is applied, it can move towards the inside of the vertebra and be inserted into the vertebra.
  • the said pusher body (5.2) is integral with the stud end (5.1) and is the element by which the force required for the stud end (5.1) to be inserted into the vertebra is provided.
  • the stud end (5.1) in the stud member (5) is provided with a stud screw hole (5.1.1).
  • the said stud screw hole (5.1.1) has almost the same dimensions as the second screw hole
  • the stud member (5) is enabled to perform this movement by means of a guiding member (6).
  • the said guiding member (6) is provided with an actuator thread (6.1).
  • the actuator thread (6.1) and the guiding thread (5.2.1) are connected to each other.
  • the force transmitted from the actuator thread (6.1) to the guiding thread (5.2.1) moves the stud member (5) in one direction, and when the guiding member (6) is rotated in the other direction, the stud member (5) is moved in the other direction.
  • a rotating apparatus is attached to at least one of the said force application holes (6.2), and in this case, the guiding member (6) is enabled to be rotated about its own axis. Placing the corpectomy cage (1) between the vertebrae and making it ready for use is performed as follows.
  • the corpectomy cage (1) is closed when placed between the vertebrae.
  • the fixed body (2) is brought in contact with one vertebra and then the movable body (3) is moved and brought in contact with another vertebra.
  • the locking member (7) is rotated about its own axis and moved towards the movable body (3), thus locking the movable body (3) in its position.
  • the guiding member (6) is rotated about its own axis and thus the stud member (5) is enabled to be moved through the movable body (3) in the direction of the vertebra.
  • the rotation of the guiding member (6) about its own axis is continued until the stud member (5) is inserted into the vertebra and the second screw hole (3.4.1) and the stud screw hole (5.11) are brought to the same axis, and at this stage the rotation of the guiding member (6) is completed.
  • a screw is passed through the first screw hole (2.4.1), and thus the fixed body (2) and the vertebra that the fixed body (2) is in contact with are connected to each other.
  • the same screw is passed through the second screw hole (3.4.1) and the stud screw hole (5.1.1) to rigidly connect the movable body (3) to the vertebra that contacts the movable body (3).

Abstract

La présente invention concerne une cage de corpectomie qui est utilisée en chirurgie rachidienne, est placée entre les vertèbres pendant l'opération, et maintient la distance intervertébrale à un niveau souhaité.
PCT/TR2023/050693 2022-07-19 2023-07-18 Cage de corpectomie WO2024019690A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2022/011525 TR2022011525A2 (tr) 2022-07-19 Bi̇r korpektomi̇ kafesi̇
TR2022011525 2022-07-19

Publications (2)

Publication Number Publication Date
WO2024019690A2 true WO2024019690A2 (fr) 2024-01-25
WO2024019690A3 WO2024019690A3 (fr) 2024-03-28

Family

ID=89618305

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2023/050693 WO2024019690A2 (fr) 2022-07-19 2023-07-18 Cage de corpectomie

Country Status (1)

Country Link
WO (1) WO2024019690A2 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8328871B2 (en) * 2006-11-09 2012-12-11 Warsaw Orthopedic, Inc. Expanding vertebral body implant
US8241363B2 (en) * 2007-12-19 2012-08-14 Depuy Spine, Inc. Expandable corpectomy spinal fusion cage
US20110190890A1 (en) * 2010-02-02 2011-08-04 Warsaw Orthopedic, Inc. End cap for a vertebral implant
JP2021535780A (ja) * 2018-09-05 2021-12-23 ウォーソー・オーソペディック・インコーポレーテッド 脊椎インプラントシステムおよび方法

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