CN105769392A - Vertebral fusion cage - Google Patents
Vertebral fusion cage Download PDFInfo
- Publication number
- CN105769392A CN105769392A CN201610211630.2A CN201610211630A CN105769392A CN 105769392 A CN105769392 A CN 105769392A CN 201610211630 A CN201610211630 A CN 201610211630A CN 105769392 A CN105769392 A CN 105769392A
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- Prior art keywords
- screw rod
- plane
- lower plate
- sandwich
- installing hole
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- 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
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- 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
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention relates to a vertebral fusion cage.The vertebral fusion cage comprises a screw rod, an upper plate and a lower plate.The upper end face of the lower plate is provided with a first slope, the lower end face of the upper plate is provided with a second slope matched with the first slope, and the first slope and the second slope are provided with first anti-slip teeth which can be meshed mutually.A nut connected with the lower plate is arranged in the lower plate and in threaded connection with the screw rod and sleeves the screw rod, and one end, close to the second slope, of the screw rod is limited in the lower plate and rotatably connected with the lower plate.When the screw rod is rotated, the nut in threaded fit with the screw rod is driven to move towards the first slope to drive the upper plate to move upwards along the first slope; when the screw rod is rotated reversely, the nut is driven to move in a direction away from the first slope to drive the upper plate to move downwards along the first slope, so that height adjustment is realized to adapt to different vertebral heights of different patients.By meshing of the first anti-slip teeth for increasing friction, slipping is prevented, and stability is improved.
Description
Technical field
The present invention relates to medical instruments field, particularly to a kind of threaded fusion cage.
Background technology
In daily life, due to tumor, fracture, the reasons such as infection cause that the case that vertebral body damages happens occasionally, when treating these patients, the mode adopted at present is to implant a fusion device between the vertebral body damaged, osseous tissue is made to produce creeping substitution, thus repairing the vertebral body of damage, but traditional threaded fusion cage height is fixed, and the intervertebral height of human body can vary with each individual, operation cannot be suitable for the different intervertebral heights of different patient by regulating the height of threaded fusion cage, thus threaded fusion cage cannot be made to be suitable for the intervertebral height of human body completely, have impact on therapeutic effect.
Summary of the invention
Based on this, it is necessary to for the defect of prior art, it is provided that a kind of threaded fusion cage, altitude mixture control can be realized, be suitable for the different intervertebral heights of different patient.
Its technical scheme is as follows:
A kind of threaded fusion cage, including screw rod, upper plate and lower plate, the upper surface of described lower plate is the first inclined-plane, the lower surface of described upper plate is provided with and the second inclined-plane of described first slopes which match, described first inclined-plane and the second inclined-plane are provided with intermeshing first anti-slop serrations of energy, being provided with connected nut in described lower plate, described nut sleeve is connected on screw rod and with described screw flight, and described screw rod is spacing near the one end on the second inclined-plane to be rotationally connected in lower plate and with described lower plate.
Its further technical scheme is as follows:
Described threaded fusion cage also includes limited block, described screw rod is provided with limited ring groove near the one end on the second inclined-plane, described lower plate is provided with first installing hole in direction axially along a screw and along the second installing hole of screw rod radial direction, described second installing hole is through to the first installing hole, described screw rod is placed in described first installing hole near the one end on the second inclined-plane, described limited block is placed in described second installing hole, and described limited block is fastened in described limited ring groove.
Described threaded fusion cage also includes locating part, described lower plate is provided with the 3rd installing hole axially along a screw, described screw rod stretches out described 3rd installing hole near the one end on the second inclined-plane, and described locating part stretches out the end of the 3rd installing hole and is connected and makes screw rod be limited in lower plate with screw rod.
Described screw rod is rotationally connected through the middle part on described first inclined-plane with lower plate, and the both sides on described first inclined-plane are provided with described first anti-slop serrations, and the both sides on described second inclined-plane are provided with described first anti-slop serrations.
Described nut is trapezoidal, offers the holding tank in direction axially along a screw in the middle part of the lower surface of described upper plate, is provided with dovetail groove in described holding tank, and described nut is embedded in described dovetail groove, and described screw rod is placed in described holding tank through described nut.
The upper surface of described upper plate, lower plate lower surface on be equipped with the second anti-slop serrations, and the lower surface of the upper surface of upper plate and lower plate is further opened with the 4th installing hole.
Described threaded fusion cage also includes rotating mechanism, described rotating mechanism includes spiral shell core, sandwich and chuck, described spiral shell core is connected with one end of screw rod, described upper plate is provided with folder holder away from the one end on the second inclined-plane, described sandwich is set in outside spiral shell core and threadeds with spiral shell core, one end of described sandwich is clipped in outside holder, and the described surface that contacts with sandwich of folder holder is the inclined-plane towards tilt nut, described chuck is set in outside sandwich and threadeds with sandwich, and described chuck rotates towards nut direction and makes sandwich locking folder holder.
Described rotating mechanism also includes overcoat and fixture block, described overcoat is set in outside described sandwich and is slidably matched with described sandwich, put, outside described, the draw-in groove offering radially direction, the position that described spiral shell core is corresponding with described draw-in groove is provided with cannelure, and described fixture block is fastened on described cannelure through draw-in groove.
Described rotating mechanism also includes handle and the torque force limiting device being arranged on handle, and described spiral shell core stretches out described overcoat away from one end of screw rod, and spiral shell core is connected with described handle away from one end of screw rod.
The core section outer surface that described sandwich is corresponding with overcoat is polyhedral, the inner surface of described overcoat and polyhedral core section shiding matching.
Advantage or principle to preceding solution illustrate below:
nullAbove-mentioned threaded fusion cage，It is limited in lower plate due to described screw rod near the one end on the second inclined-plane and is rotationally connected with described lower plate，By rotating screw rod，The nut with its threaded engagement is driven to move towards the first inclined-plane，Owing to nut is connected with upper plate，And the lower surface of upper plate is provided with and the second inclined-plane of described first slopes which match，Nut moves the described upper plate of drive and moves up along the first inclined-plane，So that the height between upper plate and lower plate increases，Rotate backward screw rod，Nut is driven to move towards the direction away from the first inclined-plane，Nut moves the described upper plate of drive and moves down along the first inclined-plane，So that the height between upper plate and lower plate reduces，Realize altitude mixture control,It is suitable for the different intervertebral heights of different patient，When second inclined-plane moves along the first inclined-plane，Friction is increased by the first anti-slop serrations engagement each other，Prevent skidding，Improve stability.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of threaded fusion cage described in the embodiment of the present invention；
Fig. 2 is the schematic diagram of lower plate described in the embodiment of the present invention；
Fig. 3 is the schematic diagram of upper plate described in the embodiment of the present invention；
Fig. 4 is the schematic diagram of limited block described in the embodiment of the present invention；
Fig. 5 is the schematic diagram of nut described in the embodiment of the present invention；
Fig. 6 is the schematic diagram of screw rod described in the embodiment of the present invention；
Fig. 7 is the schematic diagram of rotating mechanism described in the embodiment of the present invention；
Fig. 8 is the profile of rotating mechanism described in the embodiment of the present invention；
Fig. 9 is the schematic diagram of sandwich described in the embodiment of the present invention；
Figure 10 is the schematic diagram of spiral shell core described in the embodiment of the present invention.
Description of reference numerals:
10, screw rod, 110, limited ring groove, 20, upper plate, 210, second inclined-plane, 220, first anti-slop serrations, 230, holding tank, 232, dovetail groove, 240, second anti-slop serrations, 250, 4th installing hole, 260, folder holder, 30, lower plate, 310, first inclined-plane, 320, first anti-slop serrations, 330, first installing hole, 340, second installing hole, 350, second anti-slop serrations, 360, 4th installing hole, 40, nut, 50, limited block, 60, rotating mechanism, 610, spiral shell core, 612, cannelure, 620, sandwich, 622, clip slot, 630, chuck, 640, overcoat, 642, draw-in groove, 650, fixture block, 660, hands handle, 670, torque force limiting device.
Detailed description of the invention
As shown in Figures 1 to 6, a kind of threaded fusion cage, including screw rod 10, upper plate 20 and lower plate 30, the upper surface of described lower plate 30 is the first inclined-plane 310, the lower surface of described upper plate 20 is provided with the second inclined-plane 210 matched with described first inclined-plane 310, described first inclined-plane 310 and the second inclined-plane 210 are provided with intermeshing first anti-slop serrations 220 (320) of energy, connected nut 40 it is provided with in described lower plate 30, described nut 40 is enclosed within screw rod 10 and threadeds with described screw rod 10, described screw rod 10 is spacing near the one end on the second inclined-plane 210 to be rotationally connected in lower plate 30 and with described lower plate 30.
nullIt is limited in lower plate 30 due to described screw rod 10 near the one end on the second inclined-plane 210 and is rotationally connected with described lower plate 30，By rotating screw rod 10，The nut 40 with its threaded engagement is driven to move towards the first inclined-plane 310，Owing to nut 40 is connected with upper plate 20，And the lower surface of upper plate 20 is provided with the second inclined-plane 210 matched with described first inclined-plane 310，Nut 40 moves the described upper plate 20 of drive and moves up along the first inclined-plane 310，So that the height between upper plate 20 and lower plate 30 increases，Rotate backward screw rod 10，Nut 40 is driven to move towards the direction away from the first inclined-plane 310，Nut 40 moves the described upper plate 20 of drive and moves down along the first inclined-plane 310，So that the height between upper plate 20 and lower plate 30 reduces，Realize altitude mixture control,It is suitable for the different intervertebral heights of different patient，When second inclined-plane 210 moves along the first inclined-plane 310，Friction is increased by the first anti-slop serrations 220 (320) engagement each other，Prevent skidding，Improve stability.
As shown in Fig. 1,2,4, threaded fusion cage described in the present embodiment also includes limited block 50, described screw rod 10 is provided with limited ring groove 110 near the one end on the second inclined-plane 210, described lower plate 30 is provided with the first installing hole 330 along screw rod 10 axial direction and the second installing hole 340 along screw rod 10 radial direction, described second installing hole is through to the first installing hole, described screw rod 10 is placed in described first installing hole near the one end on the second inclined-plane 210, described limited block 50 is placed in described second installing hole, and described limited block 50 is fastened in described limited ring groove 110.Described limited block 50 is provided with the groove mated with limited ring groove, first screw rod 10 is stretched in the first installing hole, then limited block 50 is inserted in the second installing hole, the groove of limited block 50 is enclosed within screw rod 10 and has the position of limited ring groove 110, screw rod 10 is stuck in lower plate 30, so that screw rod 10 can rotate by relative limit block 50, but will not deviate from from the first installing hole, it is impossible to move along screw rod 10 axial direction.Described first installing hole 330 can be through the through hole of lower plate both sides, it is also possible to is the blind hole only running through the first inclined-plane.
According to the actual requirements, limited block the 50, first installing hole 330 and the second installing hole 340 along screw rod 10 radial direction can also be not provided with, but locating part is set, described lower plate 30 is provided with along axial the 3rd installing hole (not marking in figure) run through of screw rod 10, described 3rd installing hole is similar to the first installing hole 330 running through lower plate both sides, described screw rod 10 stretches out described 3rd installing hole near the one end on the second inclined-plane 210, and described locating part stretches out the end of the 3rd installing hole and is connected and makes screw rod 10 be limited in lower plate 30 with screw rod 10.Limiting screw rod 10 by locating part to move along its axial direction, described locating part can be bayonet lock, sleeve, nut piece etc., all arranges locating part in the both sides of the 3rd installing hole, is that screw rod 10 position of relative lower plate 30 in rotation process remains unchanged,
As shown in Figure 1, 2, described screw rod 10 is rotationally connected through the middle part on described first inclined-plane 310 with lower plate 30, and the both sides on described first inclined-plane 310 are provided with described first anti-slop serrations 320, and the both sides on described second inclined-plane 210 are provided with described first anti-slop serrations 220.The middle part of screw rod 10 with lower plate 30 is connected, first anti-slop serrations 220 (320) is set in both sides, make the gravity balance of upper plate 20 and lower plate 30 on the one hand, remain stable for, make both sides in upper plate 20 sliding process all pass through the first anti-slop serrations 220 (320) engagement on the other hand to block, avoid skidding, improve stability further.A lower surface part for described upper plate 20 is inclined-plane is described second inclined-plane 210, another part is plane, the slope sum on the first inclined-plane 310 and the second inclined-plane 210 is 1, so that can keep being generally in level when upper plate 20 rises or falls along the first inclined-plane 310.
As shown in Fig. 1,3,5, described nut 40 is trapezoidal, the holding tank 230 along screw rod 10 axial direction is offered in the middle part of the lower surface of described upper plate 20, it is provided with dovetail groove 232 in described holding tank 230, described nut 40 is embedded in described dovetail groove 232, and described screw rod 10 is placed in described holding tank 230 through described nut 40.Being arranged to trapezoidal by nut 40, make nut 40 to block and be embedded in upper plate 20, so that upper plate 20 moves with the motion of nut 40, nut 40 card of trapezium structure sets more firm, naturally it is also possible to select other shapes, such as square, cuboid etc..
As Figure 1-3, the upper surface of described upper plate 20 is provided with the second anti-slop serrations 240, and the lower surface of lower plate 30 is provided with the second anti-slop serrations 350, and is further opened with the 4th installing hole 250 on the upper surface of upper plate 20, the lower surface of lower plate 30 is further opened with the 4th installing hole 360, conveniently puts into bone-grafting material.
If Fig. 7 is to shown in 10, described threaded fusion cage also includes rotating mechanism 60, described rotating mechanism 60 includes spiral shell core 610, sandwich 620 and chuck 630, described spiral shell core 610 is connected with one end of screw rod 10, described upper plate 20 is provided with folder holder 260 away from the one end on the second inclined-plane 210, described sandwich 620 is set in outside spiral shell core 610 and threadeds with spiral shell core 610, one end of described sandwich 620 is clipped in outside holder 260, and the described surfaces that contact with sandwich 620 of folder holder 260 are the inclined-plane towards nut 40 inclination, described chuck 630 is set in outside sandwich 620 and threadeds with sandwich 620, described chuck 630 rotates towards nut 40 direction and makes sandwich 620 locking folder holder 260.Rotate spiral shell core 610, connected screw rod 1010 is driven to rotate, so that the nut 40 threadeded with screw rod 10 moves left and right along screw rod 10, the front end sleeve of described sandwich 620 is in folder holder 260, the surface contacted with sandwich 620 due to folder holder 260 is the inclined-plane tilted towards nut 40, the front end of sandwich 620 offers the clip slot 622 along its axial direction, so chuck 630 constantly oppresses the sandwich 620 of clip slot 622 both sides towards nut 40 direction while rotating, make sandwich 620 locking folder holder 260, spiral shell core 610 rotates relative to sandwich 620, sandwich 620 and upper plate 20 Tong Bu move left and right.
Described rotating mechanism 60 also includes overcoat 640 and fixture block 650, described overcoat 640 is set in outside described sandwich 620 and is slidably matched with described sandwich 620, described overcoat 640 offers the draw-in groove 642 in radially direction, the position that described spiral shell core 610 is corresponding with described draw-in groove 642 is provided with cannelure 612, and described fixture block 650 is fastened on described cannelure 612 through draw-in groove 642.It is stuck on draw-in groove 642 and cannelure 612 owing to being provided with fixture block 650, described spiral shell core 610 rotates phase to overcoat 640 rotation, and sandwich 620 can horizontally slip by overcoat 640 relatively, slide steadily, to adapt to the change of folder holder 260 positions, the core section outer surface that described sandwich 620 is corresponding with overcoat 640 is polyhedral, in hexahedron shape in the present embodiment, can certainly be other shapes, such as pentahedron, heptahedron etc., the inner surface of described overcoat 640 and polyhedral core section shiding matching, so arrange, the relative overcoat 640 of sandwich 620 is made to horizontally slip, without rotating.
Described rotating mechanism 60 also includes handle 660 and the torque force limiting device 670 being arranged on handle 660, and described spiral shell core 610 stretches out described overcoat 640 away from one end of screw rod 10, and spiral shell core 610 is connected with described handle 660 away from one end of screw rod 10.Driving spiral shell core 610 to rotate by rotary handle 660, described torque force limiting device 670 is to limit torsion, and console lift degree, namely when reaching certain dynamics, it is impossible to twisting, it is to avoid handle 660 rotates excessively, can be selected for ratchet etc. as torque force limiting device.In the present embodiment, described handle 660 front end is provided with bar-shaped trough, and one end that described spiral shell core 610 is connected with handle 660, in the kidney-shaped mated with described bar-shaped trough, makes spiral shell core 610 and handle 660 link, do not relatively rotate between the two.Corresponding, the front end of described spiral shell core 610 also is provided with bar-shaped trough, and one end that described screw rod 10 is connected with spiral shell core 610, in the kidney-shaped mated with spiral shell core 610 front end bar-shaped trough, makes screw rod 10 and spiral shell core 610 link, do not relatively rotate between the two.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a threaded fusion cage, it is characterized in that, including screw rod, upper plate and lower plate, the upper surface of described lower plate is the first inclined-plane, the lower surface of described upper plate is provided with and the second inclined-plane of described first slopes which match, described first inclined-plane and the second inclined-plane are provided with intermeshing first anti-slop serrations of energy, connected nut it is provided with in described lower plate, described nut sleeve is connected on screw rod and with described screw flight, and described screw rod is spacing near the one end on the second inclined-plane to be rotationally connected in lower plate and with described lower plate.
2. threaded fusion cage as claimed in claim 1, it is characterized in that, it also includes limited block, described screw rod is provided with limited ring groove near the one end on the second inclined-plane, described lower plate is provided with first installing hole in direction axially along a screw and along the second installing hole of screw rod radial direction, described second installing hole is through to the first installing hole, described screw rod is placed in described first installing hole near the one end on the second inclined-plane, described limited block is placed in described second installing hole, and described limited block is fastened in described limited ring groove.
3. threaded fusion cage as claimed in claim 1, it is characterized in that, it also includes locating part, described lower plate is provided with the 3rd installing hole axially along a screw, described screw rod stretches out described 3rd installing hole near the one end on the second inclined-plane, and described locating part stretches out the end of the 3rd installing hole and is connected and makes screw rod be limited in lower plate with screw rod.
4. threaded fusion cage as claimed in claim 1, it is characterized in that, described screw rod is rotationally connected through the middle part on described first inclined-plane with lower plate, and the both sides on described first inclined-plane are provided with described first anti-slop serrations, and the both sides on described second inclined-plane are provided with described first anti-slop serrations.
5. threaded fusion cage as claimed in claim 1, it is characterized in that, described nut is trapezoidal, the holding tank in direction axially along a screw is offered in the middle part of the lower surface of described upper plate, it is provided with dovetail groove in described holding tank, described nut is embedded in described dovetail groove, and described screw rod is placed in described holding tank through described nut.
6. threaded fusion cage as claimed in claim 1, it is characterised in that the upper surface of described upper plate, lower plate lower surface on be equipped with the second anti-slop serrations, and the lower surface of the upper surface of upper plate and lower plate is further opened with the 4th installing hole.
7. the threaded fusion cage as described in any one of claim 1 to 6, it is characterized in that, it also includes rotating mechanism, described rotating mechanism includes spiral shell core, sandwich and chuck, described spiral shell core is connected with one end of screw rod, described upper plate is provided with folder holder away from the one end on the second inclined-plane, described sandwich is set in outside spiral shell core and threadeds with spiral shell core, one end of described sandwich is clipped in outside holder, and the described surface that contacts with sandwich of folder holder is the inclined-plane towards tilt nut, described chuck is set in outside sandwich and threadeds with sandwich, described chuck rotates towards nut direction and makes sandwich locking folder holder.
8. threaded fusion cage as claimed in claim 7, it is characterized in that, described rotating mechanism also includes overcoat and fixture block, described overcoat is set in outside described sandwich and is slidably matched with described sandwich, put, outside described, the draw-in groove offering radially direction, the position that described spiral shell core is corresponding with described draw-in groove is provided with cannelure, and described fixture block is fastened on described cannelure through draw-in groove.
9. threaded fusion cage as claimed in claim 8, it is characterized in that, described rotating mechanism also includes handle and the torque force limiting device being arranged on handle, and described spiral shell core stretches out described overcoat away from one end of screw rod, and spiral shell core is connected with described handle away from one end of screw rod.
10. threaded fusion cage as claimed in claim 8, it is characterised in that the core section outer surface that described sandwich is corresponding with overcoat is polyhedral, the inner surface of described overcoat and polyhedral core section shiding matching.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211630.2A CN105769392B (en) | 2016-04-05 | 2016-04-05 | Threaded fusion cage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211630.2A CN105769392B (en) | 2016-04-05 | 2016-04-05 | Threaded fusion cage |
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| CN105769392A true CN105769392A (en) | 2016-07-20 |
| CN105769392B CN105769392B (en) | 2018-08-14 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726020A (en) * | 2017-02-14 | 2017-05-31 | 广州爱锘德医疗器械有限公司 | Lifting Invasive lumbar fusion device |
| CN108338857A (en) * | 2018-03-27 | 2018-07-31 | 大博医疗科技股份有限公司 | Vertebra struts fusion device and its vertebra auto-navigation struts system |
| CN110612070A (en) * | 2017-05-08 | 2019-12-24 | 美多斯国际有限公司 | Extensible cage |
| CN112087988A (en) * | 2018-03-06 | 2020-12-15 | Eit 新兴移植技术股份有限公司 | Angularly adjustable intervertebral cage with integrated ratchet assembly |
| US11344424B2 (en) | 2017-06-14 | 2022-05-31 | Medos International Sarl | Expandable intervertebral implant and related methods |
| US11426290B2 (en) | 2015-03-06 | 2022-08-30 | DePuy Synthes Products, Inc. | Expandable intervertebral implant, system, kit and method |
| US11426286B2 (en) | 2020-03-06 | 2022-08-30 | Eit Emerging Implant Technologies Gmbh | Expandable intervertebral implant |
| US11446156B2 (en) | 2018-10-25 | 2022-09-20 | Medos International Sarl | Expandable intervertebral implant, inserter instrument, and related methods |
| US11452607B2 (en) | 2010-10-11 | 2022-09-27 | DePuy Synthes Products, Inc. | Expandable interspinous process spacer implant |
| US11510788B2 (en) | 2016-06-28 | 2022-11-29 | Eit Emerging Implant Technologies Gmbh | Expandable, angularly adjustable intervertebral cages |
| US11596523B2 (en) | 2016-06-28 | 2023-03-07 | Eit Emerging Implant Technologies Gmbh | Expandable and angularly adjustable articulating intervertebral cages |
| US11622868B2 (en) | 2007-06-26 | 2023-04-11 | DePuy Synthes Products, Inc. | Highly lordosed fusion cage |
| US11752009B2 (en) | 2021-04-06 | 2023-09-12 | Medos International Sarl | Expandable intervertebral fusion cage |
| US11850160B2 (en) | 2021-03-26 | 2023-12-26 | Medos International Sarl | Expandable lordotic intervertebral fusion cage |
| US11850164B2 (en) | 2013-03-07 | 2023-12-26 | DePuy Synthes Products, Inc. | Intervertebral implant |
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