WO2021068621A1 - Cage de fusion carrée réglable en hauteur - Google Patents

Cage de fusion carrée réglable en hauteur Download PDF

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Publication number
WO2021068621A1
WO2021068621A1 PCT/CN2020/106406 CN2020106406W WO2021068621A1 WO 2021068621 A1 WO2021068621 A1 WO 2021068621A1 CN 2020106406 W CN2020106406 W CN 2020106406W WO 2021068621 A1 WO2021068621 A1 WO 2021068621A1
Authority
WO
WIPO (PCT)
Prior art keywords
structural member
members
square height
height adjustable
supporting
Prior art date
Application number
PCT/CN2020/106406
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English (en)
Chinese (zh)
Inventor
赵汝琛
Original Assignee
广州爱锘德医疗器械有限公司
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 广州爱锘德医疗器械有限公司 filed Critical 广州爱锘德医疗器械有限公司
Publication of WO2021068621A1 publication Critical patent/WO2021068621A1/fr

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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
    • A61F2/447—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 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
    • 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
    • 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
    • A61F2002/30426—Bayonet coupling
    • 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

Definitions

  • the invention relates to the technical field of medical devices, in particular to a square height adjustable fusion cage.
  • the present invention overcomes the defects of the prior art and provides a square height adjustable cage with better stability.
  • a square height adjustable fusion cage comprising a main body, the main body includes at least two base members arranged at intervals, a structural member is arranged between two adjacent base members, and two ends of the structural member are connected with each other Two adjacent base members are connected, and the two adjacent base members are each provided with a connecting member, and the main body has a state of squeezing deformation. In the state of squeezing deformation, two adjacent ones The distance between the base members is reduced, the structural member protrudes outward to form a supporting surface, and the connecting members on two adjacent base members are connected.
  • the connecting members on two adjacent base members are a first connecting member and a second connecting member, respectively, and the first connecting member is sequentially provided with along the arrangement direction of the base member.
  • the first adjusting portion is a first locking slot provided on the first connecting member, and the second adjusting portion is a first locking tooth matching the first locking slot.
  • the first connecting member is provided with a plurality of second clamping teeth, the first clamping groove is formed between two adjacent second clamping teeth, and the first clamping teeth The number is at least two, and a second clamping slot matching the second clamping tooth is formed between two adjacent first clamping teeth.
  • the first clamping tooth includes a tooth surface and a back surface, the tooth surface is provided on a side of the back surface close to the first connecting member, and the tooth surface faces away from the first connecting member.
  • the direction of the piece is arranged obliquely, and the back surface is arranged perpendicular to the horizontal plane.
  • the supporting surface is a planar structure.
  • the structural member includes a first connecting portion, a supporting portion, and a second connecting portion that are connected in sequence, and the connection between the first connecting portion and the supporting portion can be bent, and the second The connecting portion between the connecting portion and the supporting portion can be bent, and the outer side surface of the supporting portion is the supporting surface.
  • the first connecting portion includes two first plate members arranged at intervals, both ends of the first plate member are respectively connected to the base member and the supporting portion, and the second The connecting part includes two second plates arranged at intervals, and two ends of the second plate are respectively connected with the base part and the supporting part.
  • the two structural members are a first structural member and a second structural member, respectively, and the first structure
  • the supporting part of the first structural part and the supporting part of the second structural part are both protruding in a relatively distant direction.
  • the above-mentioned square height adjustable fusion cage further includes a guide block, the base part is provided with an opening, and the guide block slides through the opening and is connected to one of the base parts.
  • Fig. 1 is a perspective view of a square height adjustable cage according to an embodiment of the present invention in a state of being squeezed and deformed;
  • Fig. 2 is a side view of the square height adjustable cage according to the embodiment of the present invention in a state of being squeezed and deformed;
  • Figure 3 is a top view of the square height adjustable fusion cage according to an embodiment of the present invention in a state of being squeezed and deformed;
  • Figure 4 is a side view of the square height adjustable cage in an undeformed state according to an embodiment of the present invention.
  • Figure 5 is a partial enlarged view of A in Figure 2;
  • Figure 6 is a perspective view of a square height adjustable cage in a state of being squeezed and deformed according to another embodiment of the present invention.
  • Fig. 7 is a schematic diagram of the assembly of the square height adjustable cage according to the embodiment of the present invention.
  • Basic member 101, first basic member, 102, second basic member, 200, structural member, 201, supporting surface, 202, first structural member, 203, second structural member, 210, first connecting part, 211.
  • first and second in the present invention do not represent a specific number and order, but are merely used to distinguish names.
  • the square height adjustable fusion cage is mainly placed between the two vertebral bodies of the spine for support.
  • the square height adjustable fusion device can also be used in other scenes.
  • an embodiment discloses a square height adjustable fusion cage, including a main body, the main body includes at least two base members 100 arranged at intervals, and between two adjacent base members 100 Structural member 200. Both ends of the structural member 200 are respectively connected to two adjacent base members 100, and the two adjacent base members 100 are provided with connecting members.
  • the main body has a state of squeezing deformation, and in the state of squeezing deformation , The distance between two adjacent base members 100 is reduced, the structural member 200 protrudes outward to form a supporting surface 201, and the connecting members on the two adjacent base members 100 are connected.
  • the main body also has an undeformed state.
  • the connecting members on two adjacent base members 100 are arranged at intervals. Only when the main body enters the state of squeezing deformation, the distance between the connecting pieces on the two adjacent base members 100 becomes smaller until they are connected to each other, and the distance between the two adjacent base members 100 is fixed to ensure the alignment of the vertebra. The supporting effect of the body.
  • the connecting members on two adjacent base members 100 are respectively the first connecting member 300 and the second connecting member 400, and the first connecting member 300 is sequentially provided with at least two connecting members along the arrangement direction of the base member 100.
  • the second adjusting part is clamped with different first adjusting parts, so that two adjacent base members 100 are kept at a certain distance, and the height of the protrusion of the structural member 200 is further limited. Therefore, the above-mentioned square height-adjustable fusion cage, compared to the traditional operation where multiple square height-adjustable fusion cages with different heights are used for testing, the height of the protrusion of the structural member 200 can be adjusted according to the actual situation, and the operation is convenient. The time for replacement and reinstallation is reduced, thereby reducing operation time and cost.
  • the protruding part of the structural member 200 is subjected to the pressure of the vertebral body, which may cause the two ends of the structural member 200 to propagate the base member 100 and reduce the height of the protrusion of the structural member 200.
  • the first adjusting part is clamped with the second adjusting part, the distance between two adjacent base members 100 can be prevented from increasing, so that the structural member 200 can be ensured to maintain the convex state, and the supporting effect of the vertebral body can be achieved.
  • the structural member 200 can be made of SUS304, PEEK, titanium alloy, or trabecular bone metal that meets the standards of implanted medical devices, and the surface treatment method can be polishing, sanding, plasma spraying, spraying nano-coating, and the like.
  • both sides of the structural member 200 are provided with the above-mentioned first adjusting member and the second adjusting member. At this time, when being squeezed by the vertebral body, the force on both sides of the structural member 200 is even, which can support the vertebral body more stably.
  • the connecting member may also be a magnet. At this time, the connecting members on the two adjacent base members 100 can be attracted to each other, and the distance between the two adjacent base members 100 is kept stable by the magnetic force.
  • the connecting member may also be a hook.
  • the connecting pieces on the two adjacent base members 100 can be hooked to each other to prevent the distance between the two base members 100 from becoming larger, and to prevent the protruding part of the structural member 200 from deforming under the compression of the vertebral body. This provides a stable support for the vertebral body.
  • the first adjusting portion is a first slot 310 provided on the first connecting member 300
  • the second adjusting portion is a first slot 310 matching the first slot 310.
  • the first locking teeth 410 are locked into the first locking slot 310 to achieve a locking fit, and the first locking teeth 410 can be inserted into different locking slots to adjust the distance between two adjacent base members 100, and then adjust the support.
  • the first connecting member 300 and the second connecting member 400 are staggered, and the first connecting member 300 is provided with the above-mentioned first slot 310 on the side close to the second connecting member 400,
  • the side surface of the second connecting member 400 close to the first connecting member 300 is provided with the above-mentioned first locking teeth 410.
  • the first adjusting portion may also be an opening on the first connecting member 300, and the second adjusting portion may be a clamping post provided on the second connecting member 400 that matches the above-mentioned opening.
  • the clamping column needs to be inserted into the corresponding opening to realize the support of the support portion 220 to the vertebral body.
  • the first connecting member 300 is provided with a plurality of second clamping teeth 320, and a first clamping slot 310 is formed between two adjacent second clamping teeth 320
  • the number of the first clamping teeth 410 is at least two, and a second clamping slot 420 matching the second clamping teeth 320 is formed between two adjacent first clamping teeth 410.
  • the first clamping tooth 410 and the second clamping tooth 320 are clamped to each other, the clamping effect is more stable, and the effect of limiting the distance between two adjacent base members 100 is better.
  • the first locking tooth 410 includes a tooth surface 411 and a back surface 412.
  • the tooth surface 411 is provided on the side of the back surface 412 close to the first connecting member 300, and the tooth surface 411 faces away from the first connecting member 300.
  • the direction of the connecting member 300 is inclined, and the back surface 412 is arranged perpendicular to the horizontal plane.
  • the groove wall corresponding to the back surface 412 on the first locking groove 310 is also arranged perpendicular to the horizontal plane.
  • the first card slot 310 ensures the stability of the card connection between the first adjusting member and the second certificate.
  • the supporting surface 201 has a planar structure.
  • the supporting surface 201 is in contact with the vertebral body, since the supporting surface 201 is a planar structure, it fits more closely with the vertebral body, the supporting surface 201 for the vertebral body has a larger volume, and the support is more stable, and the supporting effect is better.
  • the structural member 200 includes a first connecting portion 210, a supporting portion 220, and a second connecting portion 230 that are connected in sequence, and the first connecting portion 210 and the supporting portion 220 are connected
  • the second connecting portion 230 and the supporting portion 220 can be bent at the connecting portion, and the outer side surface of the supporting portion 220 is the supporting surface 201.
  • the structural member 200 is squeezed, bending occurs between the first connecting portion 210 and the supporting portion 220, and between the second connecting portion 230 and the supporting portion 220, which can prevent the supporting portion 220 from occurring when the structural member 200 is squeezed.
  • the above arrangement can keep the supporting portion 220 in a plane structure at all times, ensuring a better supporting effect on the vertebral body.
  • the length of the first connecting portion 210 is equal to the length of the second connecting portion 230.
  • the support portion 220 can contact the vertebral body in a horizontal posture, which increases the contact area between the support surface 201 and the vertebral body, and improves the stability of the support for the vertebral body.
  • the first connecting portion 210 and the second connecting portion 230 are made of the same material. It can ensure that when the structural member 200 is squeezed, the deformation on both sides of the support part 220 is consistent, so that the support part 220 can finally contact the vertebral body in a horizontal posture, increase the contact area between the support part 220 and the vertebral body, and improve the contact with the vertebral body. The supporting effect.
  • the first connecting part 210 and the second connecting part may also be connected.
  • the length of 230 is set differently.
  • the two adjacent base members 100 are a group of units, and after the structural members 200 in different groups of units are compressed, the raised support planes 201 thereof Can be parallel to each other or non-parallel to each other.
  • the protruding support surfaces 201 in different groups of units can be adjusted according to actual conditions to improve the support effect.
  • the first connecting portion 210 includes two first plate members 211 arranged at intervals, and two ends of the first plate member 211 are connected to the base member 100 and the supporting portion 220 respectively.
  • the second connecting portion 230 includes two second plates 231 spaced apart, and two ends of the second plate 231 are respectively connected to the base 100 and the supporting portion 220.
  • the shapes of the first connecting portion 210, the second connecting portion 230 and the supporting portion 220 are different.
  • the first connecting portion 210 and the supporting portion 220, and the second connecting portion 230 and the supporting portion 220 have different shapes.
  • the joint is more prone to deformation, ensuring that the supporting portion 220 can protrude outward and the supporting portion 220 is not bent and deformed, thereby ensuring that the supporting portion 220 has a better supporting effect on the vertebral body.
  • the weight of the square height-adjustable cage can be reduced, making it more convenient to use.
  • a first extension portion 221 and a second extension portion 222 are respectively provided on both sides of the support portion 220, and the first extension portion 221 extends between the two first plates 211 And spaced apart from the first plate 211, the second extension 222 extends between the two second plates 231 and is spaced apart from the second plate 231, the first extension 221, the second extension 222 and the support portion 220 flush setting.
  • the first extension portion 221 and the second extension portion 222 enlarge the area of the support portion 220, support the vertebral body more stably, and have a better support effect.
  • FIGS. 1 and 2 there are two structural members 200 between two adjacent base members 100, and the two structural members 200 are the first structural member 202 and the second structural member respectively.
  • the first structural member 202 and the second structural member 203 are spaced apart in the vertical direction, and the supporting portion 220 of the first structural member 202 and the supporting portion 220 of the second structural member 203 both protrude in a relatively distant direction.
  • the first structural member 202 and the second structural member 203 are both compressed, and the supporting portion 220 of the first structural member 202 and the supporting portion 220 of the second structural member 203 face toward each other.
  • the relatively far away direction is convex, the shape of the square height adjustable fusion cage is larger at this time, the abutment with the two adjacent vertebral bodies is closer, and the supporting effect is better.
  • connection between the first connecting portion 210 and the supporting portion 220, and the connection between the second connecting portion 230 and the supporting portion 220 are provided with cuts, and the cuts on the first structural member 202 are provided on the first structural member 202.
  • the notch on the second structure component 203 is provided on the side surface of the second structure component 203 close to the first structure component 202.
  • the strengths of the two sides of the structural member 200 are different, so that the structural member 200 is bent in the direction of the side with the cut when the structural member 200 is squeezed, and the first structural member 202 and the second structural member 202
  • the above arrangement of the cutout on the structural member 203 can ensure that when two adjacent base members 100 are close to each other, the supporting portion 220 of the first structural member 202 and the supporting portion 220 of the second structural member 203 move in a relatively distant direction , In order to achieve the support of the two adjacent vertebral bodies.
  • connection between the first connecting portion 210 and the supporting portion 220 and the connection between the second connecting portion 230 and the supporting portion 220 may also be provided with creases, and the creases are recesses provided on the structural member 200.
  • the structural member 200 can be bent along the crease when being squeezed.
  • two adjacent base members 100 are a first base member 101 and a second base member 102, respectively, and a side of the first base member 101 close to the second base member 102 is provided There is a first height-limiting part, a second height-limiting part is provided on a side of the second base member 102 close to the first base member 101, and the first height-limiting member and the second height-limiting member are arranged opposite to each other.
  • the first height limiting part and the second height limiting part By arranging the first height limiting part and the second height limiting part, after the first base member 101 and the second base member 102 are close to one end of each other, the first height limiting part and the second height limiting part will abut, resulting in the first If the first base member 101 and the second base member 102 cannot continue to approach, the support portion 220 cannot continue to bulge. Therefore, the above-mentioned structure can limit the displacement of the support portion 220 and prevent the support portion 220 from exerting excessive pressure on the vertebral body.
  • the sum of the length of the first height-limiting portion and the length of the second height-limiting portion is greater than or equal to the length of the supporting portion 220.
  • the supporting force of the part 220 on the vertebral body so the sum of the length of the first height-limiting part and the length of the second height-limiting part is set to be greater than or equal to the length of the supporting part 220, so that the bending angle of the structural member 200 after bending
  • the range is 90° ⁇ 180°, which is convenient for controlling the support of the support part 220 to the vertebral body.
  • the main body in the undeformed state, has a hollow rectangular parallelepiped structure.
  • the main body can be placed in a relatively stable manner without rotating, ensuring that when the structural member 200 is raised, the supporting surface 201 can better support the vertebral bodies, increasing the The contact area between the vertebral bodies, and the hollow rectangular parallelepiped structure of the main body facilitates the insertion and fixation of the tool, and facilitates the adjustment of the distance between the two base members 100.
  • the supporting surface 201 is a part of the side surface of the main body. At this time, as long as the distance between the two adjacent base members 100 becomes smaller, the supporting surface 201 can protrude to form a support for the vertebral body, and since the square height adjustable fusion cage is a rectangular parallelepiped, the fusion can be adjusted in the square height. When the stent extends between two adjacent vertebral bodies, the square height-adjustable fusion cage will not rotate in the circumferential direction, ensuring that the vertebral bodies can be supported when the supporting surface 201 protrudes.
  • the main body in the undeformed state, may also have a cylindrical structure or the like.
  • the above-mentioned square height adjustable cage further includes a guide block 500.
  • the base part 100 is provided with an opening.
  • the guide block 500 slides through the opening and is connected to one of the base parts. 100 connections.
  • the guide block 500 can be used to sequentially pass through the openings of the different base parts 100.
  • the guide block 500 has a guiding function, and the base part 100 can move along the length of the guide block 500. The distance between two adjacent base members 100 is reduced.
  • one of the base members 100 abuts against the first end of the guide block 500, the second end of the guide block 500 penetrates the opening of the base member 100, and the end surface of the second end of the guide block 500 is provided with a threaded hole, It is used for threaded connection with an adjusting rod to fix the guide block 500.
  • the base member 100 is pushed to move along the guide block 500 to bring two adjacent base members 100 close, and the structural member 200 is bent and raised.

Abstract

Cage de fusion carrée réglable en hauteur, comprenant un corps. Le corps comprend au moins deux éléments de base (100) disposés au niveau d'un intervalle. Un élément structural (200) est disposé entre deux éléments de base adjacents (100), et deux extrémités de l'élément structural (200) sont respectivement reliées aux deux éléments de base adjacents (100). Les deux éléments de base adjacents (100) sont tous deux pourvus d'éléments de liaison. Le corps a un état de déformation par extrusion. Dans l'état de déformation par extrusion, la distance entre les deux éléments de base adjacents (100) est réduite, l'élément structural (200) fait saillie vers l'extérieur afin de former une surface de support (201), et les éléments de liaison sur les deux éléments de base adjacents (100) sont reliés. Lorsque le corps est dans l'état de déformation par extrusion, l'élément structural (200) est extrudé, de telle sorte que l'élément structural (200) fait saillie vers l'extérieur afin de soutenir un corps vertébral, et les éléments de liaison sur les deux éléments de base adjacents (100) sont reliés, de telle sorte que la distance entre les éléments de base adjacents (100) est fixe, et la partie de l'élément structural (200) faisant saillie vers l'extérieur est alors maintenue à une certaine hauteur. La partie de l'élément structural (200) faisant saillie vers l'extérieur n'est pas sujette à une déformation, et l'effet de support sur le corps vertébral est ainsi relativement stable.
PCT/CN2020/106406 2019-10-11 2020-07-31 Cage de fusion carrée réglable en hauteur WO2021068621A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910964331.XA CN112641541A (zh) 2019-10-11 2019-10-11 方形高度可调融合器
CN201910964331.X 2019-10-11

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Publication Number Publication Date
WO2021068621A1 true WO2021068621A1 (fr) 2021-04-15

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WO (1) WO2021068621A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5865848A (en) * 1997-09-12 1999-02-02 Artifex, Ltd. Dynamic intervertebral spacer and method of use
CN101031259A (zh) * 2004-06-09 2007-09-05 维克辛姆公司 用于骨头复原的方法和装置
US20090222100A1 (en) * 2008-02-28 2009-09-03 Stryker Spine Tool for implanting expandable intervertebral implant
JP2016013460A (ja) * 2015-09-07 2016-01-28 ヴェクシム エセアー 脊椎の骨修復のための装置および使用方法
US20180185164A1 (en) * 2015-07-14 2018-07-05 Nlt Spine Ltd. Expandable implant with deflectable sequence of segments
CN108338857A (zh) * 2018-03-27 2018-07-31 大博医疗科技股份有限公司 脊椎撑开融合器及其脊椎自导航撑开系统
CN211271423U (zh) * 2019-10-11 2020-08-18 广州爱锘德医疗器械有限公司 方形高度可调融合器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5865848A (en) * 1997-09-12 1999-02-02 Artifex, Ltd. Dynamic intervertebral spacer and method of use
CN101031259A (zh) * 2004-06-09 2007-09-05 维克辛姆公司 用于骨头复原的方法和装置
US20090222100A1 (en) * 2008-02-28 2009-09-03 Stryker Spine Tool for implanting expandable intervertebral implant
US20180185164A1 (en) * 2015-07-14 2018-07-05 Nlt Spine Ltd. Expandable implant with deflectable sequence of segments
JP2016013460A (ja) * 2015-09-07 2016-01-28 ヴェクシム エセアー 脊椎の骨修復のための装置および使用方法
CN108338857A (zh) * 2018-03-27 2018-07-31 大博医疗科技股份有限公司 脊椎撑开融合器及其脊椎自导航撑开系统
CN211271423U (zh) * 2019-10-11 2020-08-18 广州爱锘德医疗器械有限公司 方形高度可调融合器

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