CN105726171A - Adjustable fusion cage device - Google Patents
Adjustable fusion cage device Download PDFInfo
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- CN105726171A CN105726171A CN201610211544.1A CN201610211544A CN105726171A CN 105726171 A CN105726171 A CN 105726171A CN 201610211544 A CN201610211544 A CN 201610211544A CN 105726171 A CN105726171 A CN 105726171A
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- screw rod
- slide block
- fusion device
- gear
- plane
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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
Abstract
The invention relates to an adjustable fusion cage device which comprises a hose, a bevel gear, a gear seat, a screw rod and a fusion cage body, wherein the fusion cage body rotates along with the screw rod to ascend and descend; the bevel gear is meshed on the gear seat; the gear seat is connected with the fusion cage body; one end of the hose is connected with the screw rod; a through hole is formed in the bevel gear; the bevel gear sleeves the hose through the through hole. The hose is clamped by a clamp to rotate, the screw rod is driven to rotate, and then the screw rod is driven to rotate, so that the height of the fusion cage body ascending and descending can be changed, height adjustment can be achieved, and the adjustable fusion cage device can be applicable to different intervertebral heights of different patients; the bevel gear can be clamped by another clamp to rotate and drives the gear seat meshed with the bevel gear to rotate, so that overall angle adjustment of the fusion cage can be achieved, and the treatment mounting requirement on the mounting angle of the fusion cage can be met.
Description
Technical field
The present invention relates to medical instruments field, particularly to a kind of scalable fusion device device.
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 adapt to the intervertebral height of human body completely, and the fusion device angle after loading cone cannot regulate.Generally there is the fusion device of height adjusting function; screw rod is generally adopted to drive two slide blocks to draw close or separate; the height between the upper plate being connected with slide block, lower plate is made to increase or reduce; realize fusion device height change, and how cone fusion device drives the rotation of screw rod and adjust the difficult problem that fusion device angle is needs solution after loading cone.
Summary of the invention
Based on this, it is necessary to for the defect of prior art, it is provided that a kind of scalable fusion device device, the adjustment of height and angle can be realized, be suitable for the demand of different patient.
Its technical scheme is as follows:
A kind of scalable fusion device device, including flexible pipe, conical gear, pinion stand, screw rod and the fusion device body rotating realization lifting with described screw rod, described conical gear is engaged on described pinion stand, described pinion stand is connected with described fusion device body, one end of described flexible pipe is connected with described screw rod, described conical gear is provided with through hole, and described conical gear is set in outside described flexible pipe by described through hole.
Its further technical characteristic is as follows:
Described scalable fusion device device also includes gear gland, described gear gland is positioned at the top of described conical gear and is connected with the upper end of described pinion stand, the outer ledge of described gear gland is provided with downwardly projecting rib, described rib by spacing for described conical gear on described pinion stand.
Described conical gear includes gear part and the clamping part being connected with gear part, described through hole runs through described gear part and clamping part, described gear part engages with described pinion stand, described clamping part is located remotely from one end of described pinion stand, and described clamping part is polyhedral, described gear part is stretched out in one end of described flexible pipe, and the other end stretches out described clamping part.
Described pinion stand includes engaging piece and supporting part, and described engaging piece is provided with, in fan-shaped and its surface, the cone tooth arranged around its circumferential direction, and described supporting part is connected near the sidepiece of fusion device body with engaging piece, and described gear gland is connected with the upper end of described supporting part.
Described flexible pipe includes straight length and bend loss, and described bend loss one end is connected with described screw rod, and the other end is connected with described straight length, and described bend loss stretches out described gear part.
Described straight length is provided with clamping position away from one end of bend loss.
Described fusion device body includes the first elevating lever, second elevating lever and upper plate setting up and down and lower plate, first end of described screw rod is arranged with the first slide block with its threaded engagement, second end of screw rod is arranged with the second slide block with its threaded engagement, the screw thread of described screw rod the first end is contrary with the hand of spiral of screw rod the second end, the lower end of described first slide block and the first elevating lever is hinged, the lower end of described second slide block and the second elevating lever is hinged, the middle part of described first elevating lever and the middle part cross-articulation of the second elevating lever, described first slide block, second slide block respectively with lower plate sliding connection, described first elevating lever, second lifting upper end respectively with upper plate sliding connection.
nullDescribed fusion device body includes upper plate setting up and down and lower plate，First end of described screw rod is arranged with the first slide block with its threaded engagement，Second end of screw rod is arranged with the second slide block with its threaded engagement，The screw thread of described screw rod the first end is contrary with the hand of spiral of screw rod the second end，Described first slide block、The upper surface of the second slide block is engaged with the lower surface tooth of upper plate，Described first slide block、The lower surface of the second slide block is engaged with the upper surface tooth of lower plate，The lower surface of described upper plate includes the first end face coordinated with the first slide block、The second end face coordinated with the second slide block，The upper surface of described lower plate includes the 3rd end face coordinated with the first slide block、The 4th end face coordinated with the second slide block，The inclined-plane that the upper surface of described first slide block and the second slide block tilts in direction in the middle part of screw rod，The inclined-plane that described first end face and the second end face tilt in direction in the middle part of screw rod，And/or the lower surface of described first slide block and the 3rd end face are in the inclined-plane tilted towards screw rod the first extreme direction，The lower surface of described second slide block and the 4th end face are in the inclined-plane tilted towards screw rod the second extreme direction.
Described fusion device body includes 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 tooth engagement, 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.
Described fusion device body 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.
Advantage or principle to preceding solution illustrate below:
Above-mentioned scalable fusion device device, clamps flexible pipe by fixture and rotates, and drives screw rod to rotate, and rotating, thus driving, the fusion device body height change realizing lifting with described screw rod, it is achieved altitude mixture control, being suitable for the different intervertebral heights of different patient；Clamping conical gear by another fixture to rotate, conical gear drives the pinion stand being engaged with to rotate, thus realizing fusion device entirety angular adjustment, makes the setting angle of fusion device meet treatment installation requirements.
Accompanying drawing explanation
Fig. 1 is the schematic diagram one of scalable fusion device device described in the embodiment of the present invention；
Fig. 2 is the schematic diagram two of scalable fusion device device described in the embodiment of the present invention；
Fig. 3 is the generalized section of scalable fusion device device described in the embodiment of the present invention；
Fig. 4 is the schematic diagram of conical gear described in the embodiment of the present invention；
Fig. 5 is the schematic diagram of pinion stand described in the embodiment of the present invention；
Fig. 6 is one of which fusion device body schematic diagram；
Fig. 7 is one of which fusion device body schematic diagram；
Fig. 8 is one of which fusion device body schematic diagram.
Description of reference numerals:
10, flexible pipe, 110, straight length, 112, clamping position, 120, bend loss, 20, conical gear, 210, through hole, 220, gear part, 230, clamping part, 30, pinion stand, 310, engaging piece, 320, supporting part, 40, screw rod, 50a (50b) (50c, ) fusion device body, 510a, first elevating lever, 520a, second elevating lever, 530a (530b) (530c), upper plate, 540a (540b) (540c), lower plate, 550a (550b), first slide block, (550c), nut, 560a (560b), second slide block, (560c), limited block, 60, gear gland, 610, rib.
Detailed description of the invention
If Fig. 1 is to shown in 5, a kind of scalable fusion device device, including flexible pipe 10, conical gear 20, pinion stand 30, screw rod 40 and fusion device body 50a (50b) (50c) rotating realization lifting with described screw rod 40, described conical gear 20 is engaged on described pinion stand 30, described pinion stand 30 is connected with described fusion device body, one end of described flexible pipe 10 is connected with described screw rod 40, described conical gear 20 is provided with through hole 210, and described conical gear 20 is set in outside described flexible pipe 10 by described through hole 210.
Described scalable fusion device device, clamps flexible pipe 10 by fixture and rotates, and drives screw rod 40 to rotate, and rotating, thus driving, the fusion device body height change realizing lifting with described screw rod 40, it is achieved altitude mixture control, being suitable for the different intervertebral heights of different patient；Clamping conical gear 20 by another fixture to rotate, conical gear 20 drives the pinion stand 30 being engaged with to rotate, thus realizing fusion device entirety angular adjustment, makes the setting angle of fusion device meet Treatment need.
nullFig. 1、Fusion device body 50a structure in 2 is identical with Fig. 6，Described fusion device body 50a includes the first elevating lever 510a、Second elevating lever 520a and upper plate 530a setting up and down and lower plate 540a，First end of described screw rod 40 is arranged with the first slide block 550a with its threaded engagement，Second end of screw rod 40 is arranged with the second slide block 560a with its threaded engagement，The screw thread of described screw rod 40 first end is contrary with the hand of spiral of screw rod 40 second end，The lower end of described first slide block 550a and the first elevating lever 510a is hinged，The lower end of described second slide block 560a and the second elevating lever 520a is hinged，The middle part of described first elevating lever 510a and the middle part cross-articulation of the second elevating lever 520a，Described first slide block 550a、Second slide block 560a respectively with lower plate 540a sliding connection，Described first elevating lever 510a、Second lifting upper end respectively with upper plate 530a sliding connection.Mode that the mode that slide rail can be adopted to coordinate with chute that is wherein slidably matched or pivot pin coordinate with bar hole etc..Flexible pipe 10 drives screw rod 40 to rotate, first slide block 550a and the second slide block 560a synchronizes to draw close to centre, thus driving the first elevating lever 510a hinged for slide block 550a with first, the second elevating lever 520a hinged for slide block 560a with second rotates, upper plate 530a and lower plate 540a is strutted, so that the distance between upper plate 530a and lower plate 540a increases, rotate backward flexible pipe 10, the first slide block 550a and the second slide block 560a is driven to synchronize to move laterally, thus driving the first elevating lever 510a and the second elevating lever 520a to rotate, upper plate 530a and lower plate 540a is drawn close, so that the distance between upper plate 530a and lower plate 540a reduces, realize altitude mixture control, it is suitable for the different intervertebral heights of different patient.
nullFig. 7 is another kind of fusion device body 50b structure，Described fusion device body 50b includes upper plate 530b setting up and down and lower plate 540b，First end of described screw rod 40 is arranged with the first slide block 550b with its threaded engagement，Second end of screw rod 40 is arranged with the second slide block 560b with its threaded engagement，The screw thread of described screw rod 40 first end is contrary with the hand of spiral of screw rod 40 second end，Described first slide block 550b、The upper surface of the second slide block 560b is engaged with the lower surface tooth of upper plate 530b，Described first slide block 550b、The lower surface of the second slide block 560b is engaged with the upper surface tooth of lower plate 540b，The lower surface of described upper plate 530b includes and the first slide block 550b the first end face coordinated、With the second slide block 560b the second end face coordinated，The upper surface of described lower plate 540b includes and the first slide block 550b the 3rd end face coordinated、With the second slide block 560b the 4th end face coordinated，The inclined-plane that the upper surface of described first slide block 550b and the second slide block 560b tilts in direction in the middle part of screw rod 40，The inclined-plane that described first end face and the second end face tilt in direction in the middle part of screw rod 40，And/or the lower surface of described first slide block 550b and the 3rd end face are in the inclined-plane tilted towards screw rod 40 first extreme direction，The lower surface of described second slide block 560b and the 4th end face are in the inclined-plane tilted towards screw rod 40 second extreme direction.nullFlexible pipe 10 drives screw rod 40 to rotate，Thus driving the first slide block 550b and the second slide block 560b to synchronize to draw close to centre，As the first slide block 550b、When second slide block 560b draws close towards centre，First slide block 550b、The upper surface that second slide block 560b tilts upwards jack-up upper plate 530b gradually，And/or the first slide block 550b、The lower surface jack-up lower plate 540b gradually downward that second slide block 560b tilts，Upper plate 530b and lower plate 540b is strutted，So that the distance between upper plate 530b and lower plate 540b increases，Rotate backward screw rod 40，The first slide block 550b and the second slide block 560b is driven to synchronize to move laterally，Make upper plate 530b and lower plate 540b along the first slide block 550b、The inclined-plane of the second slide block 560b is drawn close gradually，So that the distance between upper plate 530b and lower plate 540b reduces，Realize altitude mixture control,It is suitable for the different intervertebral heights of different patient.
Fig. 8 is another kind of fusion device body 50c structure, described fusion device body 50c includes upper plate 530c and lower plate 540c, the upper surface of described lower plate 540c is the first inclined-plane, the lower surface of described upper plate 530c is provided with and the second inclined-plane of described first slopes which match, described first inclined-plane and the second inclined-plane tooth engagement, connected nut 550c it is provided with in described lower plate 540c, described nut 550c is enclosed within screw rod 40 and threadeds with described screw rod 40, and described screw rod 40 is spacing near the one end on the second inclined-plane to be rotationally connected in lower plate 540c and with described lower plate 540c.Flexible pipe 10 drives screw rod 40 to rotate, thus driving nut 550c to move towards the first inclined-plane, nut 550c moves the described upper plate 530c of drive and moves up along the first inclined-plane, so that the height between upper plate 530c and lower plate 540c increases, rotate backward screw rod 40, nut 550c is driven to move towards the direction away from the first inclined-plane, nut 550c moves the described upper plate 530c of drive and moves down along the first inclined-plane, so that the height between upper plate 530c and lower plate 540c reduces, realize altitude mixture control, be suitable for the different intervertebral heights of different patient.
As shown in Figure 8, described fusion device body 50c also includes limited block 560c, described screw rod 40 is provided with limited ring groove near the one end on the second inclined-plane, described lower plate 540c is provided with the first installing hole (not indicating in figure) along screw rod 40 axial direction and the second installing hole (not indicating in figure) along screw rod 40 radial direction, described second installing hole is through to the first installing hole, described screw rod 40 is placed in described first installing hole near the one end on the second inclined-plane, described limited block 560c is placed in described second installing hole, and described limited block 560c is fastened in described limited ring groove.Described limited block 560c is provided with the groove mated with limited ring groove, first screw rod 40 is stretched in the first installing hole, then limited block 560c is inserted in the second installing hole, the groove of limited block 560c is enclosed within screw rod 40 and has the position of limited ring groove, screw rod 40 is stuck on lower plate 540c, so that screw rod 40 can rotate by relative limit block 560c, but will not deviate from from the first installing hole, it is impossible to move along screw rod 40 axial direction.
Further, as Figure 1-3, described scalable fusion device device also includes gear gland 60, described gear gland 60 is positioned at the top of described conical gear 20 and is connected with the upper end of described pinion stand 30, the outer ledge of described gear gland 60 is provided with downwardly projecting rib 610, described rib 610 by spacing for described conical gear 20 on described pinion stand 30.Spacing by the rib 610 on gear gland 60, it is to avoid conical gear 20 is skidding off from pinion stand 30, make conical gear 20 be engaged on gear all the time and do, it is ensured that integrally-built stability.
As shown in Figure 4, described conical gear 20 includes gear part 220 and the clamping part 230 being connected with gear part 220, described through hole 210 runs through described gear part 220 and clamping part 230, described gear part 220 engages with described pinion stand 30, described clamping part 230 is located remotely from one end of described pinion stand 30, and described clamping part 230 is in polyhedral, described gear part 220 is stretched out in one end of described flexible pipe 10, and the other end stretches out described clamping part 230.Fixture is clamped clamping part 230 and is rotated, and makes gear part 220 engage driven gear seat 30 with pinion stand 30 by tooth and turns an angle, so that the fusion device body being connected with pinion stand 30 turns an angle, so that its position is in the position of instructions for use.
As shown in Figure 5, described pinion stand 30 includes engaging piece 310 and supporting part 320, described engaging piece 310 is provided with, in fan-shaped and its surface, the cone tooth arranged around its circumferential direction, described supporting part 320 is connected near the sidepiece of fusion device body with engaging piece 310, and described gear gland 60 is connected with the upper end of described supporting part 320.So arranging makes gear gland 60 be located just at the top of conical gear 20, and rib 610 blocks the periphery of conical gear 20, and will not interfere with the rotation of conical gear 20.
As it is shown on figure 3, described flexible pipe 10 includes straight length 110 and bend loss 120, described bend loss 120 one end is connected with described screw rod 40, and the other end is connected with described straight length 110, and described bend loss 120 stretches out described gear part 220.Described straight length 110 is provided with clamping position 112 away from one end of bend loss 120.The clamping position 112 being clamped flexible pipe 10 by fixture drives screw rod 40 to rotate, certain deformation can be produced, convenient operation, and bend loss 120 is set is connected with screw rod 40, it is more smooth and easy that flexible pipe 10 is placed in the interior rotation of conical gear 20, and by the angle rotating adjustment fusion device body of conical gear 20 with pinion stand 30, the axis making screw rod 40 is identical with the axis direction of flexible pipe 10, so that flexible pipe 10 rotates more smooth and easy.
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 scalable fusion device device, it is characterized in that, including flexible pipe, conical gear, pinion stand, screw rod and the fusion device body rotating realization lifting with described screw rod, described conical gear is engaged on described pinion stand, described pinion stand is connected with described fusion device body, one end of described flexible pipe is connected with described screw rod, and described conical gear is provided with through hole, and described conical gear is set in outside described flexible pipe by described through hole.
2. scalable fusion device device as claimed in claim 1, it is characterized in that, it also includes gear gland, described gear gland is positioned at the top of described conical gear and is connected with the upper end of described pinion stand, the outer ledge of described gear gland is provided with downwardly projecting rib, described rib by spacing for described conical gear on described pinion stand.
3. scalable fusion device device as claimed in claim 1, it is characterized in that, described conical gear includes gear part and the clamping part being connected with gear part, described through hole runs through described gear part and clamping part, described gear part engages with described pinion stand, and described clamping part is located remotely from one end of described pinion stand, and described clamping part is polyhedral, described gear part is stretched out in one end of described flexible pipe, and the other end stretches out described clamping part.
4. scalable fusion device device as claimed in claim 2, it is characterized in that, described pinion stand includes engaging piece and supporting part, described engaging piece is provided with, in fan-shaped and its surface, the cone tooth arranged around its circumferential direction, described supporting part is connected near the sidepiece of fusion device body with engaging piece, and described gear gland is connected with the upper end of described supporting part.
5. scalable fusion device device as claimed in claim 3, it is characterised in that described flexible pipe includes straight length and bend loss, and described bend loss one end is connected with described screw rod, and the other end is connected with described straight length, and described bend loss stretches out described gear part.
6. scalable fusion device device as claimed in claim 5, it is characterised in that described straight length is provided with clamping position away from one end of bend loss.
7. the scalable fusion device device as described in any one of claim 1 to 6, it is characterized in that, described fusion device body includes the first elevating lever, second elevating lever and upper plate setting up and down and lower plate, first end of described screw rod is arranged with the first slide block with its threaded engagement, second end of screw rod is arranged with the second slide block with its threaded engagement, the screw thread of described screw rod the first end is contrary with the hand of spiral of screw rod the second end, the lower end of described first slide block and the first elevating lever is hinged, the lower end of described second slide block and the second elevating lever is hinged, the middle part of described first elevating lever and the middle part cross-articulation of the second elevating lever, described first slide block, second slide block respectively with lower plate sliding connection, described first elevating lever, second lifting upper end respectively with upper plate sliding connection.
null8. the scalable fusion device device as described in any one of claim 1 to 6，It is characterized in that，Described fusion device body includes upper plate setting up and down and lower plate，First end of described screw rod is arranged with the first slide block with its threaded engagement，Second end of screw rod is arranged with the second slide block with its threaded engagement，The screw thread of described screw rod the first end is contrary with the hand of spiral of screw rod the second end，Described first slide block、The upper surface of the second slide block is engaged with the lower surface tooth of upper plate，Described first slide block、The lower surface of the second slide block is engaged with the upper surface tooth of lower plate，The lower surface of described upper plate includes the first end face coordinated with the first slide block、The second end face coordinated with the second slide block，The upper surface of described lower plate includes the 3rd end face coordinated with the first slide block、The 4th end face coordinated with the second slide block，The inclined-plane that the upper surface of described first slide block and the second slide block tilts in direction in the middle part of screw rod，The inclined-plane that described first end face and the second end face tilt in direction in the middle part of screw rod，And/or the lower surface of described first slide block and the 3rd end face are in the inclined-plane tilted towards screw rod the first extreme direction，The lower surface of described second slide block and the 4th end face are in the inclined-plane tilted towards screw rod the second extreme direction.
9. the scalable fusion device device as described in any one of claim 1 to 6, it is characterized in that, described fusion device body includes 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 tooth engagement, 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.
10. scalable fusion device device as claimed in claim 9, it is characterized in that, described fusion device body 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.
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| CN106137473A (en) * | 2016-08-10 | 2016-11-23 | 邹德威 | Lumbar vertebral posterior multi-functional Intervertebral disc fusion device |
| CN106137473B (en) * | 2016-08-10 | 2018-05-18 | 邹德威 | The multi-functional Intervertebral disc fusion device of lumbar vertebral posterior |
| CN106264805A (en) * | 2016-08-26 | 2017-01-04 | 张衣北 | Scalable intervertebral fixes fusion device |
| WO2018040240A1 (en) * | 2016-08-30 | 2018-03-08 | 北京市富乐科技开发有限公司 | Zero-incisura spinal fusion cage system |
| CN106166092A (en) * | 2016-08-31 | 2016-11-30 | 广州爱锘德医疗器械有限公司 | Lift threaded fusion cage and for driving the operator of lifting threaded fusion cage |
| CN106308984A (en) * | 2016-08-31 | 2017-01-11 | 广州爱锘德医疗器械有限公司 | Bidirectional lifting fusion cage and rotating mechanism used for driving bidirectional lifting fusion cage |
| CN106308984B (en) * | 2016-08-31 | 2018-09-14 | 广州爱锘德医疗器械有限公司 | Bidirectional up-down fusion device and rotating mechanism for driving Bidirectional up-down fusion device |
| 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 |
| CN106726020B (en) * | 2017-02-14 | 2018-09-07 | 广州爱锘德医疗器械有限公司 | Lift Invasive lumbar fusion device |
| CN108095867A (en) * | 2018-02-12 | 2018-06-01 | 博能华医疗器械（北京）有限公司 | A kind of four sides can strut type Invasive lumbar fusion device |
| CN108095867B (en) * | 2018-02-12 | 2023-08-01 | 博能华医疗器械（北京）有限公司 | Four-side-expandable interbody fusion cage |
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