WO2011097905A1 - Implant intervertébral - Google Patents

Implant intervertébral Download PDF

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Publication number
WO2011097905A1
WO2011097905A1 PCT/CN2010/078458 CN2010078458W WO2011097905A1 WO 2011097905 A1 WO2011097905 A1 WO 2011097905A1 CN 2010078458 W CN2010078458 W CN 2010078458W WO 2011097905 A1 WO2011097905 A1 WO 2011097905A1
Authority
WO
WIPO (PCT)
Prior art keywords
implant
push
developing portion
developing
groove
Prior art date
Application number
PCT/CN2010/078458
Other languages
English (en)
Chinese (zh)
Inventor
聂佳力
李雷
罗宇星
黎洁
刘道志
Original Assignee
上海微创骨科医疗科技有限公司
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 上海微创骨科医疗科技有限公司 filed Critical 上海微创骨科医疗科技有限公司
Publication of WO2011097905A1 publication Critical patent/WO2011097905A1/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
    • A61F2/4465—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 kidney shaped cross-section substantially perpendicular to the axis of the spine
    • 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
    • A61F2/442—Intervertebral or spinal discs, e.g. resilient
    • 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
    • A61F2/28—Bones
    • A61F2002/2835—Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/3008—Properties of materials and coating materials radio-opaque, e.g. radio-opaque markers
    • 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
    • A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
    • 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
    • A61F2002/30785—Plurality of holes parallel
    • 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
    • A61F2002/3082—Grooves
    • A61F2002/30827—Plurality of grooves
    • A61F2002/30828—Plurality of grooves parallel
    • 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
    • A61F2002/30904—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves serrated profile, i.e. saw-toothed

Definitions

  • the invention relates to the priority of the Chinese patent application filed on February 10, 2010, the Chinese Patent Office, the application number is 201010111105.6, and the invention name is "a push-pad implant", the entire contents thereof This is incorporated herein by reference.
  • the present invention relates to the field of spinal implant technology, and in particular to an intervertebral implant.
  • the spine is a complex structure composed of various structural tissues, which consists of push bones, each of which has an approximately cylindrical pusher.
  • the opposite surfaces of adjacent pushers are connected by a pusher disc composed of fibrocartilage material, and the push disc is located between adjacent push bones in the spine, mainly performing load bearing and motion control functions, and the weight bearing function of the push disc , transferring the load from one pusher to the next, while providing a buffer between adjacent pushers.
  • the push pad loses its dimensional stability and collapses, contracts, shifts or otherwise is damaged.
  • the implant is usually used to replace the lesion or the damaged push.
  • Disc a known method of treating a damaged pushpad is to remove the damaged pushpad and replace the prosthesis or implant into the space occupied by the pusher disc.
  • the present implant mainly comprises a main body 1, an upper end plate 2 and a lower end plate 3 disposed on both sides of the main body, and the upper side of the upper end plate 2 and the lower side of the lower end plate 3 are respectively provided with a tooth pattern 4 and a tooth pattern 5 (as shown in the figure).
  • a tooth pattern 4 and a tooth pattern 5 as shown in the figure.
  • one tooth is a protrusion on the end plate, and the number of the tooth pattern 4 and the tooth pattern 5 is arbitrary, and may be disposed perpendicular to the center line 6 of the implant or at an angle to the center line 6.
  • the upper side of the upper end plate 2 is in contact with the pusher on the upper side
  • the lower side of the lower end plate 3 is in contact with the pusher underneath, and Supporting role.
  • the implant cannot maintain a stable position between the two pushers. In order to prevent the implant from shifting, it takes a lot of time to process the end plate of the pusher during the operation, so that the pusher end plate is very good.
  • Adapting the implant, while setting a long nail plate, bilateral bone screws, or other auxiliary fixation devices between the implant and the push bone to achieve the fixation of the implant during the operation After placing the implant between two adjacent push bones, a larger number of fixed instruments are also placed between the implant and the push bone, which complicates the operation of the operation and prolongs the operation time. Summary of the invention
  • an object of the present invention is to provide an inter-push implant, which can improve the implantation stability energy through the improvement of the structure, reduce the processing time of the pusher end plate, and make the implant suitable for the push body, and only need to adopt A small number of auxiliary fixation devices such as a short nail plate or a single-sided bone screw can be fixed to solve the problem of complicated operation and long operation time of the transplanted implant.
  • the present invention provides the following technical solutions:
  • An interposer implant comprising a main body, an upper end plate and a lower end plate disposed on two sides of the main body, wherein the upper side of the upper end plate and the lower side of the lower end plate are provided with a tooth pattern, and further comprising:
  • the groove being disposed on at least one of the ridges.
  • the groove is disposed on a plurality of the ridges.
  • a plurality of grooves are provided in one tooth.
  • the groove penetrates the ridge.
  • the center line of the groove has an arc.
  • the groove has a V-shaped, U-shaped, rectangular, trapezoidal or semi-circular cross section.
  • the interim implant further comprises a developing portion disposed on the main body.
  • the developing unit is: a first developing unit, the first developing unit is parallel to a sagittal plane of the interposer implant, and is disposed perpendicular to the center line; the second developing unit, the second unit a developing portion is disposed perpendicular to a sagittal plane of the interposer implant; a third developing portion, the third developing portion being perpendicular to a sagittal plane of the interposer implant and parallel to the second developing portion
  • the second developing portion and the third developing portion are disposed in the same cross section.
  • the developing unit is: a first developing unit, the first developing unit is in any cross section; the second developing unit, the second developing unit and the first developing unit are in the same cross section, and Do not Parallel to the first developing unit; a third developing unit, the third developing unit is disposed perpendicular to the sagittal plane of the interposer implant, and is located in other cross sections.
  • the inter-implant implant can be automatically inserted in the process of implanting the inter-implant implant into the interposer space in the adjacent pusher.
  • the convex structure of the pusher endplate reduce the time of endplate treatment during surgery, and push the bone tissue into the trough, which acts as a fixed push-pad implant similar to nail plate or bone screw, and improves the push-to-plant
  • the stability of the material itself can be achieved by simply placing a short nail plate or a single-sided bone screw between the push implant and the push bone during surgery. The fixation of the contents, thereby squeezing the operation steps of the operation and shortening the operation time.
  • Figure 1 is a schematic view showing the structure of a conventional implant
  • FIG. 2 is a schematic structural view of a push-pull implant disclosed in a first embodiment of the present invention
  • FIG. 3 is a schematic structural view of a push-pull implant disclosed in a second embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a push-pull implant disclosed in a third embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a push-pull implant according to a fourth embodiment of the present invention.
  • FIG. 6 is a schematic structural view of a developing portion of the push-pull implant of the present invention
  • FIG. 7 is a schematic side view showing the structure of the developing portion shown in FIG.
  • Figure 8 is a front view showing the structure of the developing portion shown in Figure 6 when it is properly placed;
  • Figure 9 is a front view showing the structure of the developing structure shown in Figure 6 when it is inverted to the left and right;
  • FIG. 10 is a schematic structural view of another developing portion of the push-pull implant of the present invention.
  • FIG. 11 is a schematic side view showing the structure of the developing portion shown in FIG.
  • Figure 12 is a side elevational view of the recess of the push-pull implant of the present invention.
  • the invention discloses an inter-push implant, which can solve the problem that the operation of the implant implant is complicated and the operation time is long.
  • FIG. 2 is a schematic structural view of a push-pad implant according to the present invention, comprising: a main body 1, an upper end plate 2, a lower end plate 3, a tooth pattern 4 disposed on an upper side of the upper end plate 2, and a lower side of the lower end plate 3
  • the ribs 5 are provided on the grooves 4 and/or the grooves 6 on the ribs 5.
  • the ribs 4 and the ribs 5 may be disposed perpendicular to the center line 7 of the inter-implant implant, or may be disposed at an angle to the center line 7, the number of which is arbitrary, and the groove 6 is disposed at least in the rib 4 or the rib 5
  • the upper end plate 2 and the lower end plate 3 are respectively in contact with the two push bodies, thereby supporting the two push bodies.
  • the height of the bone, and the bone tissue of the push bone contacting the upper end plate 2 or the lower end plate 3 partially enters the groove 6, which acts like a nail plate or a bone screw to improve the stability of the implant itself.
  • auxiliary fixation devices such as a short nail plate or a single-sided bone screw are required to achieve the purpose of fixing the push-pull implant.
  • the push-to-push implant can automatically adapt to the push-up end.
  • the convex structure of the plate reduces the processing time of the end plate during the operation, so that the entire operation is compressed and the operation time is shortened.
  • grooves may be provided on a plurality of ridges.
  • the inter-push implant structure is provided with a groove 6 on a plurality of ribs 4 on the upper side of the upper end plate 2, and as the number of the grooves 6 increases, more bone tissue is pushed. Can enter the groove 6, further increasing the friction, This allows the push-pad implant to be better secured between the pushers.
  • the pusher bone tissue on the upper side and the lower side of the interposer can simultaneously enter the groove. It is fixed at the same time on both sides of the push-implant, which has a better fixation effect.
  • a plurality of grooves can be provided on one tooth, as shown in Fig. 4, which can further enhance the fixing effect of the push-pad implant itself, thereby reducing the use of the auxiliary fixing device.
  • the groove provided on the rib may penetrate the ridge of the tooth or may be disposed only on a part of the ridge.
  • the groove 6 penetrates the ridge of the groove. At this time, the bone tissue of the push bone can enter the groove 6 to the greatest extent, and as the volume of the bone tissue entering the groove 6 increases, the fixation effect also increases.
  • the groove can be set to have a curvature of its center line.
  • the groove of this structure is more in line with the natural shape of the body push bone, and the bone tissue of the push bone can better enter the groove.
  • the inter-implant implants are mostly made of X-ray-transparent polymer materials and cannot be clearly imaged when transmitted by X-rays.
  • there may be operational errors such as inverting the push-to-implant implant, and after the implant is implanted into the human body, the implant is implanted in the human body over time.
  • the input may also be displaced, such as tilting or rotating. Since the push-to-bed implant cannot be clearly imaged and cannot be accurately positioned, it is impossible to judge its placement.
  • a developing portion may be disposed on the main body 1 of the inter-implant implant, and the developing portion can be clearly imaged when the X-ray is transmitted, thereby enabling the inter-implantation
  • the position of the object is judged, and an accurate judgment can be made when the push implant is placed incorrectly or when the shift occurs.
  • Fig. 6 is a schematic view showing the structure of a developing portion of the inter-push implant.
  • the developing unit includes: a first developing unit 81, a second developing unit 82, and a third developing unit 83, wherein the first developing unit 81 is parallel to the sagittal plane 10 of the interim implant and is disposed perpendicular to the center line 7.
  • the second developing portion 82 is disposed perpendicular to the sagittal plane 10 of the interposer implant, and has a cross section different from the cross section of the first developing portion 81, and the third developing portion 83 is perpendicular to the sagittal plane 10 and
  • the second developing portions 82 are disposed in parallel, and the second developing portion 82 and the third developing portion 83 are in the same cross section.
  • Figure 7 shows a side view of the push-pad implant of Figure 6 when placed correctly
  • Figure 8 shows Figure 6 shows the front view of the push-pad implant when placed correctly.
  • the distance between the second developing portion 82 and the third developing portion 83 in FIG. 7 represents a parameter of the height of the inter-push implant, between the straight line where the first developing portion 81 is located and the second developing point 82 or the third developing point 83.
  • the distance characterizes the width of the inter-implant implant, and the distance between the line in which the first developing portion 81 is located and the second developing portion 82 or the third developing portion 83 in Fig. 8 characterizes the length of the inter-implant implant.
  • the distance between the various developing portions on the developed image changes, and the actual distance value is compared with the initial value to know that the inter-implant implant occurs in the patient. What kind of change. For example, when the inter-implant implant is tilted, the distance between the second developing portion 82 and the third developing portion 83 on the front view developing view 8 is shortened; when the inter-push implant is rotated, The distance between the straight line where the first developing portion 81 is located on the developing image 8 and the second developing portion 82 or the third developing portion 83 is shortened.
  • Fig. 10 is a schematic view showing the structure of another developing portion of the interposer implant
  • Fig. 11 is a side view showing the structure of the interposing implant shown in Fig. 10.
  • the developing unit includes a first developing unit 91, a second developing unit 92, and a third developing unit 93.
  • the first developing portion 91 is in any cross section
  • the second developing portion 92 is in the same cross section as the first developing portion 91
  • the second developing portion 92 is not parallel to the first developing portion 91
  • the third developing portion 93 is perpendicular to the sagittal plane 10 and is located in a cross section different from the cross section of the first developing portion 91.
  • the first developing portion 91 and the second developing portion 92 may intersect each other in an approximately "V" shape, or may simply intersect the straight line where the two are located.
  • the structure of the inter-implant implant developing portion shown in FIG. 10 can not only realize the judging function of the inter-implant implant developing portion shown in FIG. 6, but also can be measured when the inter-push implant in the patient body is tilted. The angle at which the implant is tilted.
  • each groove may be V-shaped, U-shaped, rectangular, semi-circular, trapezoidal (the side view structure of the groove having a V-shaped cross section is shown in FIG. 12), or may be other shapes. As long as it is easy to push the bone tissue into the groove, and the depth of the groove can be set to the groove The depth is consistent.
  • the first developing portion, the second developing portion, and the third developing portion in the developing portion are made of a material that can be imaged under X-rays, and may be in the form of a cylinder or a line.
  • the column is taken as an example. The three positions will be described. When the first developing unit, the second developing unit, and the third developing unit are linear, their positions are similar to those of the column developing unit.
  • the push-pull implant disclosed by the present invention has the following advantages:
  • the bone tissue of the pushbone can enter the groove provided in the tooth pattern to enhance the stability of the push-pad implant itself and reduce Use of an auxiliary fixation device;
  • the developing part can accurately reflect the position and state of the push implant in the human body.

Abstract

L'implant intervertébral ci-décrit comprend un corps principal (1). Deux des côtés dudit corps principal (1) sont respectivement dotés d'une plaque d'extrémité supérieure (2) et d'une plaque d'extrémité inférieure (3). La face supérieure de la plaque d'extrémité supérieure (2) et la face inférieure de la plaque d'extrémité inférieure (3) sont respectivement pourvues d'insertions (4, 5). Une rainure (6) est prévue au moins dans une des insertions (4, 5).
PCT/CN2010/078458 2010-02-10 2010-11-05 Implant intervertébral WO2011097905A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010111105.6 2010-02-10
CN2010101111056A CN102144942A (zh) 2010-02-10 2010-02-10 一种椎间植入物

Publications (1)

Publication Number Publication Date
WO2011097905A1 true WO2011097905A1 (fr) 2011-08-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/078458 WO2011097905A1 (fr) 2010-02-10 2010-11-05 Implant intervertébral

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CN (1) CN102144942A (fr)
WO (1) WO2011097905A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9132021B2 (en) 2011-10-07 2015-09-15 Pioneer Surgical Technology, Inc. Intervertebral implant
USD907771S1 (en) 2017-10-09 2021-01-12 Pioneer Surgical Technology, Inc. Intervertebral implant
IT202000001210A1 (it) * 2020-01-22 2021-07-22 Sps S R L Gabbia intersomatica per stabilizzazione vertebrale
US11147682B2 (en) 2017-09-08 2021-10-19 Pioneer Surgical Technology, Inc. Intervertebral implants, instruments, and methods

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160095710A1 (en) * 2013-05-07 2016-04-07 Ceramtec Gmbh Implants comprising anchoring elements
US9730684B2 (en) * 2014-07-07 2017-08-15 Warsaw Orthopedic, Inc. Multiple spinal surgical pathways systems and methods
CN105266927B (zh) * 2014-07-25 2019-03-12 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 一种适配经椎弓根经椎间盘斜向螺钉的双斜槽椎间融合器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6458159B1 (en) * 2000-08-15 2002-10-01 John S. Thalgott Disc prosthesis
US20030135275A1 (en) * 2001-11-09 2003-07-17 Javier Garcia Instruments and methods for inserting a spinal implant
US20040127993A1 (en) * 2002-10-16 2004-07-01 Erich Kast Spreader implant for placement between vertebrae
US20070282441A1 (en) * 2006-05-19 2007-12-06 Katie Stream Spinal Stabilization Device and Methods
WO2008039428A2 (fr) * 2006-09-22 2008-04-03 Alphatec Spine, Inc. Dispositif d'espacement intervertébral
CN101406417A (zh) * 2008-10-28 2009-04-15 杭州艾力康医药科技有限公司 一种体内颈椎融合植入物

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6458159B1 (en) * 2000-08-15 2002-10-01 John S. Thalgott Disc prosthesis
US20030135275A1 (en) * 2001-11-09 2003-07-17 Javier Garcia Instruments and methods for inserting a spinal implant
US20040127993A1 (en) * 2002-10-16 2004-07-01 Erich Kast Spreader implant for placement between vertebrae
US20070282441A1 (en) * 2006-05-19 2007-12-06 Katie Stream Spinal Stabilization Device and Methods
WO2008039428A2 (fr) * 2006-09-22 2008-04-03 Alphatec Spine, Inc. Dispositif d'espacement intervertébral
CN101406417A (zh) * 2008-10-28 2009-04-15 杭州艾力康医药科技有限公司 一种体内颈椎融合植入物

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9132021B2 (en) 2011-10-07 2015-09-15 Pioneer Surgical Technology, Inc. Intervertebral implant
US9387092B2 (en) 2011-10-07 2016-07-12 Pioneer Surgical Technology, Inc. Intervertebral implant
US9883949B2 (en) 2011-10-07 2018-02-06 Pioneer Surgical Technology, Inc. Intervertebral implant
US10869767B2 (en) 2011-10-07 2020-12-22 Pioneer Surgical Technology, Inc. Intervertebral implant
US11654031B2 (en) 2011-10-07 2023-05-23 Pioneer Surgical Technology, Inc. Intervertebral implant
US11147682B2 (en) 2017-09-08 2021-10-19 Pioneer Surgical Technology, Inc. Intervertebral implants, instruments, and methods
USD907771S1 (en) 2017-10-09 2021-01-12 Pioneer Surgical Technology, Inc. Intervertebral implant
USD968613S1 (en) 2017-10-09 2022-11-01 Pioneer Surgical Technology, Inc. Intervertebral implant
IT202000001210A1 (it) * 2020-01-22 2021-07-22 Sps S R L Gabbia intersomatica per stabilizzazione vertebrale
WO2021148866A1 (fr) * 2020-01-22 2021-07-29 Sps S.R.L. Cage intersomatique pour stabilisation vertébrale

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