WO2020008331A1 - Système d'implants pour la stabilisation de la colonne vertébrale - Google Patents

Système d'implants pour la stabilisation de la colonne vertébrale Download PDF

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Publication number
WO2020008331A1
WO2020008331A1 PCT/IB2019/055574 IB2019055574W WO2020008331A1 WO 2020008331 A1 WO2020008331 A1 WO 2020008331A1 IB 2019055574 W IB2019055574 W IB 2019055574W WO 2020008331 A1 WO2020008331 A1 WO 2020008331A1
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WO
WIPO (PCT)
Prior art keywords
implants
rigid
module
implant
spine
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Application number
PCT/IB2019/055574
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English (en)
Inventor
Piotr SZYDLIK
Original Assignee
Praktyka Lekarska Espinen Piotr Szydlik
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Publication of WO2020008331A1 publication Critical patent/WO2020008331A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7011—Longitudinal element being non-straight, e.g. curved, angled or branched
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
    • A61B17/7026—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
    • A61B17/7026—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form
    • A61B17/7028—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form the flexible part being a coil spring
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06—Measuring instruments not otherwise provided for
    • A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension

Definitions

  • the invention relates to a system of implants for spinal stabilization.
  • transpedicular stabilization of the spine the "rigid" variant is most commonly used and with transpedicular screws and rigid rods made of titanium alloys.
  • a less common variant is so-called dynamic stabilization of the spine using transpedicular screws and elastic rods, most often made of Peek material (polyetheretherketone) or other elastic elements connecting the screws.
  • Peek rod systems include Medtronic (CD-Horizon Legacy Peak Rod System) and Depuy Synthes (Expedition and Viper Peek Rod System), Lfc (bDs).
  • the Polish patent application P.405512 discloses a solution concerning a system of devices for interspinous stabilization of the spine.
  • a feature of this system is the simultaneous use of interspinous implants and rails for multilevel stabilization of the spine (A) involving at least three spinous processes at two levels, so that at least two interspinous implants are placed between the spinous processes at least at two levels of the spine (A) and two rails attached by them, one rail on each side of the spinous processes.
  • the invention also relates to a method for stabilization of the spine.
  • the K-rod system of Biomech company enables multi-level dynamic stabilization of the spine, wherein the selected level of the spine can be completely immobilized using a rigid tube of the correspondingly fitted length, through which a flexible rod runs stabilizing the other selected spine levels.
  • the Dynasys system has a flexible screw-connecting element that can be cut to the suitable length, as well as Peek rods.
  • the present disclosure of the invention concerns a new system of spinal stabilization to be applied in different configurations in each region of the spine, including the paravertebral bone structures.
  • the proposed solution is primarily meant to be practical, free from disadvantages of the existing systems, as well as to introduce new advantages in the treatment of spinal disorders by means of stabilization.
  • a system of devices for spinal stabilization comprising implants first or implants second or implants third differing in their structure, that is characterized in that the implants first, the implants second and the implants third comprise at least one movable module with controllable degree of mobility.
  • the implants first, the implants second or the implants third contain at least two rigid modules and at least one movable module connected to two rigid modules, wherein the movable module has an controllable degree of movement.
  • the rigid module is a rigid catch for connecting the movable module to the spine and/or to the paravertebral anatomical structures and/or to another implant and/or intermediate element.
  • the rigid module comprises at least one grip.
  • the rigid module comprises two grips.
  • an actuator regulating the mobility degree of the movable module is placed in at least one rigid module connected to a movable module.
  • an actuator adjusting the mobility degree of the movable module is placed in at least one movable module. Also preferably, at least one rigid module and/or one movable module has biosensors.
  • an actuator controlling the mobility degree of the movable module is provided with its own source of energy and a microprocessor control unit.
  • the energy source of the actuator is rechargeable using internal and/or external wireless devices.
  • actuators adjusting the mobility degree of the various movable modules are mutually coupled.
  • the actuator regulating the mobility of the movable module is controlled by a remote control from outside the rigid and/or movable module by means of a wireless link.
  • the actuator is an electric micro-actuator.
  • the rigid module is provided with at least one grip cooperating with a screw and/or other element anchoring to the spine and/or paravertebral anatomical structures and/or for connection with another implant and/or other intermediate element.
  • the rigid modules in one implant assume diverse spatial forms.
  • the movable modules in one implant assume diverse spatial forms.
  • the grips of the rigid modules in one implant assume diverse spatial forms.
  • the catches in one implant assume diverse spatial forms.
  • the rigid module of the implant first, the implant second and/or the implant third is made of titanium, an alloy thereof, stainless steel and/or polymers, ultra-high molecular weight polyethylene (UHMWPE) or polyetheretherketone (Peek), ceramic materials or combinations of the foregoing materials.
  • UHMWPE ultra-high molecular weight polyethylene
  • Peek polyetheretherketone
  • the rigid module of the implant first, the implant second and/or the implant third or a part thereof is made of a porous material.
  • At least one rigid module and/or one movable module has surface modifications.
  • the surface of at least one rigid and/or movable module or a part thereof contains bioactive agents.
  • the method of spinal stabilization is characterized by the use of implants having structural elements with a controllable degree of mobility.
  • An advantage of the solution is elimination of the disadvantages of the above-mentioned methods of spinal stabilization, while maintaining their significant positive features, i.e. providing dynamic, movable stabilization of the spine.
  • the most important advantage of the proposed solution is the capability of smooth regulation of the mobility of the movable module, including all degrees of freedom of movement for a given level of the spine.
  • a surgeon can freely shape the degree of stiffness for individual stabilized spine levels and, if necessary, can also shape the degree of curvature of a specific spine segment.
  • he/she can also have an influence on stretching or compression of the individual spine levels.
  • the patient, appropriately trained by competent personnel can also have a possibility of making an adjustment.
  • the adjustment of the degree of stabilization and/or effect on particular spinal levels is performed using external devices, including wireless ones.
  • Fig. 1 shows a perspective view of a basic arrangement of implant modules for stabilization of one level of the spine
  • Fig. 2 shows the basic arrangement of the implant modules of Fig. 1 in a top view
  • Fig. 3 illustrates a perspective view of an arrangement of implant modules for two-level stabilization of the spine
  • Fig. 4 shows the arrangement of the implant modules of Fig. 3 in a top view
  • Fig. 5 shows a perspective view of an arrangement of implant modules for three-level stabilization of the spine
  • Fig. 6 illustrates the arrangement of the implant modules of Fig. 5 in a top view
  • Fig. 7 shows a basic arrangement of implant modules for single-level stabilization of the spine with rigid modules with one grip, in a perspective view of one side (a) and of the other side (b);
  • Fig. 8 shows a top view of a basic arrangement of implant modules single- level of spinal stabilization with rigid modules with one grip
  • Fig. 9 illustrates an arrangement of implant modules for two-level stabilization of the spine with rigid modules with one grip in a perspective view of one side (a) and the other side (b);
  • Fig. 10 shows a top view of an arrangement of implant modules for two- level stabilization of the spine with rigid modules with one grip;
  • Fig. 11 shows an arrangement of implant modules for three-level stabilization of the spine with rigid modules with one grip in a perspective view of one side (a) and the other side (b);
  • Fig. 12 shows a top view of an arrangement of implant modules for three- level stabilization of the spine with rigid modules with one grip
  • Fig. 13 illustrates a side perspective view of a basic arrangement of implant modules for single-level stabilization of the spine with rigid modules without grips;
  • Fig. 14 shows a top view of a basic arrangement of implant modules of Fig. 13;
  • Fig. 15 shows a top view of an embodiment of the basic implant of Fig. 1 and Fig. 2 with rigid modules in the form of a rigid catch for attachment;
  • Fig. 16 illustrates a top view of an embodiment of the implant for two- level stabilization of the spine of Fig. 3 and Fig. 4, with outermost rigid modules in the form of a rigid catch for attachment;
  • Fig. 17 shows a side view of a module arrangement of the implant first for two-level stabilization of the spine with rigid modules with two grips, mounted on the spine;
  • Fig. 18 shows a top view of a basic module arrangement of the implant first for two-level stabilization of the spine with rigid modules with two grips, mounted on the spine;
  • Fig. 19 shows a side view of a module arrangement of the implant second for two-level spinal stabilization with rigid modules with single grips, mounted on the spine on the two sides of the vertebrae
  • Fig. 20 shows a top view of a module arrangement of the implant second for two-level spinal stabilization with rigid modules with single grips, mounted on the spine on the two sides of the vertebrae;
  • Fig. 21 shows a top view of a module arrangement of the implant second for two-level spinal stabilization with rigid modules with single grips, mounted on the spine on the two sides of the vertebrae, as in Fig. 18, with coupled actuators of the rigid modules;
  • Fig. 22 illustrates a top view of a module arrangement of the implant third with rigid modules without grips for two-level stabilization of the spine, mounted on the spine on the two sides of the vertebrae, with coupled actuators of the rigid modules;
  • a basic implant first (100) for spinal stabilization is made of rigid modules (1) and movable modules (2).
  • the rigid modules are provided with two grips (3) arranged on the sides of the rigid module (1).
  • the implants first (100, 200, 300) may comprise rigid modules (1) and movable modules (2) placed between them in other configurations and numbers.
  • a basic arrangement of rigid modules (1) and movable modules (2) of the implant first (100, 200, 300) designed for single-level stabilization of the spine consists of two rigid modules (1) and one movable module (2) connecting them in a 2+1 arrangement, as shown in Fig. 1 and Fig. 2.
  • the arrangement of rigid modules (1) and movable modules (2) of the implant first (100, 200, 300) is extended by two modules: one rigid module (1) and one movable module (2) for each additional level of spinal stabilization.
  • a 3+2 arrangement is used as depicted in Fig. 3 and Fig. 4.
  • a 4+3 arrangement is used as shown in Fig. 5 and Fig. 6 - and so on.
  • the number of movable modules (2) applied is equal to the number of the stabilized levels of the spine, while the number of rigid modules (1) is greater by one.
  • the curvature of the implants is adjusted accordingly to the curvature of the spine (A) due to the presence of the adjustable movable modules (2).
  • Fig. 7, Fig. 8, Fig. 9, Fig. 10, Fig. 11 and Fig. 12 show implants second as other embodiments of the invention.
  • the main difference between the implants first (100, 200, 300) depicted in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, and Fig. 6 and the implants second (101, 201, 301) shown in Fig. 7, Fig. 8, Fig. 9, Fig. 10, Fig. 11, and Fig. 12 is that the rigid modules (1) in the implants first (100, 200, 300) have each two grips (3) placed individually on both sides of the rigid module (1), and the implants second (101, 201, 301) have one grip (3) each, placed only on one side of the rigid module (1).
  • the grips (3) are used to connect with screws (4) running, for example, through the pedicles (c) of the vertebra and/or to the lateral masses or they are used to connect to other elements attaching to the spine A and/or to the paravertebral bone structures or to the intermediate elements.
  • the grips (3) may have a different structure depending on the configuration of the implant in which they are present and/or of the attaching element of the implant and/or the intermediate element.
  • the implants third (102, 202) have rigid modules (1) without grips on their outer surfaces. They are placed directly in the heads of the screws (4), for example, transpedicular screws and/or screws inserted in the lateral masses and/or embedded in other elements attaching to the spine (A) and/or to the paravertebral bone structures.
  • the principle for building the module structure of the implants second (101, 201, 301) and the third (102, 202) in relation to the number of stabilized levels of the spine (A), is similar to that described above for the implants first (100, 200, 300).
  • the rigid modules (1) are made in the shape of a cuboid. In other configurations and embodiments of the invention, they can assume different forms, including more complex ones, adapted to the specific anatomical structure of various sections of the spine (A), to its different surfaces, to the paravertebral bone structures, or they can assume only the form and function of grips, catches and/or elements connecting movable modules, when the actuator is placed in the movable module (2).
  • Embodiments of implants with rigid modules in the form of catches (11) are shown in Fig. 15 and Fig. 16. In Fig.
  • an implant (100a) is depicted which is a variant of the structure of the implant first (100). It is composed of one movable module (2) and two catches (11), one at each end, for fixing the movable module to the spine (A) and/or to the paravertebral bone structures and/or with another implant and/or intermediate element.
  • the implant (100a) is used for single-level regulated stabilization of the spine.
  • the catches (11) take a form adapted to attaching to the spinous processes (a), then an interspinous implant with a controllable degree of mobility is obtained.
  • an implant (200a) is depicted which is a variant of building of the implant first (200).
  • the implant (200a) has two movable modules (2) and a single rigid module (1), connecting them, with a grip (3) on both sides, and a catch (11) at both ends of the implant (200a).
  • the implant (200a) similar to the implant first (200), is used to stabilize two levels of the spine. Accordingly, it is possible to configure implants with grips (3) on both sides of the rigid modules (1) and with catches (11) on both ends for stabilization of more levels of the spine, thus creating a series of implant types (100a, 200a, 300a).
  • the implant can have a catch (11) at one end only, thus providing a series of implant types with a catch (11) at one end - (100b, 200b, 300b).
  • implant variants of the series (101, 201, 301) to obtain implants with one-sided grips (3) and one-sided catches at both ends of the implants - a series of types (101a, 201a, 301a), and implants with one-sided grips (3) and one- sided catch at only one end of the implant - a series of types (101b, 201b, 301b).
  • movable modules (2) are located between rigid modules (1). These are movable elements. The degree of mobility of this module in all possible degrees of freedom of movement, its curvature in various planes is regulated on the principle of the actuator function, as described in the field of mechatronics. Movable modules (2) increase or decrease their length within a certain range, which enables proper positioning of implants on the surface of the spine (A), so that the movable modules (2) are located in the projection of the intervertebral spaces (d). Movable modules (2) can serve as actuators. Elements controlling the movable module (2) are located in at least one rigid module (1) and/or at least one movable module (2) depending on the configuration of the implant.
  • movable modules similarly to rigid modules (2) can assume other forms, however, in this case the factor that determines their form of configuration can be primarily the function they are supposed to perform e.g. correcting improper curvature of the spine (A).
  • a regulable system of stabilization of the spine (A) is based on the concept that within an area, for example, spatially limited by planes located laterally to the intervertebral joints (b) on the left and on the right side of the spine (A), and within the space obtained after the partial or complete removal of at least one spinous process (a), there is an arrangement of rigid modules (1) and movable modules (2) forming the implant, which are placed so that the movable modules (1) are located in the projection of the intervertebral spaces (d), whereas the rigid modules (1) connect the movable modules (2) and, through grips (3), they provide attachment for screws (4) or they are inserted directly in the heads of the screws (4).
  • Fig. 17 and Fig. 18 an embodiment of stabilization of the spine (A) in the lumbosacral region is shown.
  • stabilization involves two levels of the spine, and thus three vertebrae.
  • the space in which the implant first (200) from the type series (100, 200, 300) is to be placed is appropriately prepared. This may require partial or complete removal of at least one spinous process (a).
  • this may involve a maximum of two spinous processes (a), in the case of two spinal levels - three spinous processes (a) and so on.
  • the implant first (200) is positioned on the posterior surface of the spine (A) within the area between the intervertebral joints (b), so that the central sections of the movable modules (2) are located in the projection of the intervertebral spaces (d).
  • the rigid modules (1) are attached to the spine (A), so that they are fixed to the screws (4) put through the pedicles using grips (3) located on both sides of the rigid modules (1).
  • FIG. 19 and Fig. 20 another embodiment of stabilization of the spine A in the lumbosacral section is depicted, using an implant second (201) from the type series (101, 201, 301).
  • an implant second (201) from the type series (101, 201, 301).
  • a surgical access is performed exposing posterior spinal structures, such as the spinous processes (a) and the intervertebral joints (b).
  • two implants second (201) are placed, one on each side of the spine, so that they are located from the medial side of the intervertebral joints (b).
  • the method of positioning of the movable modules complies with the principle described earlier. As shown in Fig. 19 and Fig. 20, these implants are fastened by means of grips (3) located on one side of the rigid modules (1) to the screwed in screws (4) .
  • FIG. 21 an embodiment of spinal stabilization is shown using an implant second (201) and the element connecting the complementary implant modules (5) on both sides of the spine (A).
  • the element linking the modules (5) serves for coordinated control of both implants, and can assume various forms: it can combine different types of modules and it can be present in varying numbers depending on the implant configuration.
  • FIG. 22 an embodiment of spinal stabilization is depicted using implants third (202) from the series of types (102, 202, 302).
  • the method of performing stabilization using this type of device is similar to that described for the implants second (201).
  • the implants third from the type series (102, 202, 302), in this embodiment the implants third (202), are attached directly to the heads of the screws (4) put through the pedicles.
  • connecting elements of the modules (5) of both implants may be used.

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Neurology (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

L'invention a pour objet un système d'implants pour la stabilisation de la colonne vertébrale et un procédé de stabilisation de la colonne vertébrale. Un système d'implants pour la stabilisation de la colonne vertébrale A comprend des implants un ou des implants deux ou des implants trois qui diffèrent dans leur structure, et il est caractérisé en ce que les implants un (100, 200, 300), les implants deux (101, 201, 301) et les implants trois (102, 202) comprennent au moins un module mobile ayant un degré de mobilité réglable. Le procédé de stabilisation de la colonne vertébrale est caractérisé par l'utilisation d'implants ayant des éléments structurels présentant un degré de mobilité réglable.
PCT/IB2019/055574 2018-07-02 2019-07-01 Système d'implants pour la stabilisation de la colonne vertébrale WO2020008331A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL426174A PL239614B1 (pl) 2018-07-02 2018-07-02 System implantów do stabilizacji kręgosłupa
PLP.426174 2018-07-02

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WO2020008331A1 true WO2020008331A1 (fr) 2020-01-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2846223A1 (fr) * 2002-10-24 2004-04-30 Frederic Fortin Dispositif de liaison intervertebrale souple et modulaire comportant un element permettant de travailler de maniere multidirectionnelle
US20070191844A1 (en) * 2006-01-31 2007-08-16 Sdgi Holdings, Inc. In-series, dual locking mechanism device
WO2009146377A1 (fr) * 2008-05-28 2009-12-03 Kerflin Orthopedic Innovations, Llc Instrument d'élongation actionné par fluide pour corriger des malformations orthopédiques
EP2849663A1 (fr) * 2012-05-16 2015-03-25 Stichting voor de Technische Wetenschappen Système d'implantation pour le traitement d'une courbure défectueuse de la colonne vertébrale
US20180028234A1 (en) * 2016-07-28 2018-02-01 Warsaw Orthopedic, Inc. Spinal correction construct and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2846223A1 (fr) * 2002-10-24 2004-04-30 Frederic Fortin Dispositif de liaison intervertebrale souple et modulaire comportant un element permettant de travailler de maniere multidirectionnelle
US20070191844A1 (en) * 2006-01-31 2007-08-16 Sdgi Holdings, Inc. In-series, dual locking mechanism device
WO2009146377A1 (fr) * 2008-05-28 2009-12-03 Kerflin Orthopedic Innovations, Llc Instrument d'élongation actionné par fluide pour corriger des malformations orthopédiques
EP2849663A1 (fr) * 2012-05-16 2015-03-25 Stichting voor de Technische Wetenschappen Système d'implantation pour le traitement d'une courbure défectueuse de la colonne vertébrale
US20180028234A1 (en) * 2016-07-28 2018-02-01 Warsaw Orthopedic, Inc. Spinal correction construct and method

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