CN109925103A - A kind of one balance locking fusion device - Google Patents
A kind of one balance locking fusion device Download PDFInfo
- Publication number
- CN109925103A CN109925103A CN201910346899.5A CN201910346899A CN109925103A CN 109925103 A CN109925103 A CN 109925103A CN 201910346899 A CN201910346899 A CN 201910346899A CN 109925103 A CN109925103 A CN 109925103A
- Authority
- CN
- China
- Prior art keywords
- locating piece
- fusion device
- fixed strip
- balance locking
- locking fusion
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Abstract
The invention discloses a kind of one balance locking fusion devices, the fusion device includes locating piece, fixed strip and synchronous screwing-in device, the upper surface and lower surface of the locating piece are equipped with protrusion, and it is provided with filling hole, several fixation holes are provided in the locating piece, the fixed strip is arranged in the fixation hole, hollow cavity is set in the locating piece, the hollow cavity is communicated with the fixed bore portion, the synchronous screwing-in device is arranged in the hollow cavity, the synchronous screwing-in device and the fixed strip threaded engagement, the synchronous screwing-in device is located at the precession interconnecting piece that positioning block front end setting matches with artificial handle.One balance locking fusion device of the invention can select the quantity of fixed strip and the precession angle of fixed strip according to patient's intervertebral situation, and fixed strip is balanced synchronization precession, fixed position synchronism stability, whether in art or it is postoperative be displaced it is all very small.
Description
Technical field
The present invention relates to a kind of medical instrument, in particular to a kind of one balance locking fusion device.
Background technique
It is just serious as the backbone degenerative disease of cardinal symptom using neck and shoulder ache and pain in waist and lower extremities with the aggravation of aging of population
The work and life of ground influence people.The main side that interbody fusion is current treatment backbone degenerative disease is carried out between centrum
One of method, since Invasive lumbar fusion device was used for lumbar intervertebral fusion for the first time equal to 1988 by Kuslich, various materials
Invasive lumbar fusion device camera comes out, and is gradually applied to clinic.
There are many cervical vertebral fusion cage cooperation intervertebral anterior plates to be applied to clinic at present.Such fusion device can not be carried out from solid
It is fixed, need outside fusion device plus steel plate be fixed, it has not been convenient to perform the operation, and if be subjected to displacement between fusion device and steel plate,
It will affect the health of patient.Although in addition one kind is the Invasive lumbar fusion device with fixed device, due to each fixing screws
Each Self-fastening causes fastening depth, angle to be different from, cannot play best fixed effect.
Therefore a kind of new Invasive lumbar fusion device is needed, facilitates implantation, be conducive to fusion, convenient on the basis of fixed, it can be by
The integrally balance precession of several fixing screws, can achieve the Invasive lumbar fusion device position of operation not generate displacement, and is postoperative
Stability it is more preferable, for patient mitigate art in and postoperative pain.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of implantation convenience, stable fixation, can integrally balance fixed one
Body balance locking fusion device, can select the precession angle of fixing screws, can preferably promote according to different patient's intervertebral heights
Bone grafting fusion and implantation stability, palliate the agonizing sufferings for patient.
This one balance locking fusion device includes locating piece 1, fixed strip 2 and synchronous screwing-in device 3, the locating piece 1
Upper surface is equipped with protrusion 4 with lower surface and is convenient for preferably merging with patient's intervertebral, and the protrusion 4 is dentation, and is set
It is equipped with filling hole 5, bone foam can be filled and be convenient for post-operative fusion, be provided with several fixation holes 6, the fixation in the locating piece 1
Item 2 is arranged in the fixation hole 6, and hollow cavity 7, the hollow cavity 7 and 6 part of fixation hole are arranged in the locating piece 1
It communicating, the synchronous screwing-in device 3 is arranged in hollow cavity 7, the synchronous screwing-in device 7 and 2 threaded engagement of fixed strip,
The fixed strip 2 can be threaded by rotating the synchronous screwing-in device 3, and the synchronous screwing-in device 3 is located at the positioning
The precession interconnecting piece 8 that the rear end setting of block 1 matches with artificial handle, is convenient for surgical operation.
Further, the one balance locking fusion device is doggy style fusion device, after 1 front height of locating piece is lower than
End, and axial symmetry, convenient for the one balance locking fusion device to be inserted into the intervertebral of patient, and axial symmetry.
Further, the synchronous screwing-in device 3 is coaxial screw rod, and its radius is incremented by from outside to inside, and the fixed strip 2 is
Nibbed screw, the nibbed screw connect with the coaxial screw rod, and coaxial screw rod rotation drives the synchronous precession of nibbed screw.
Further, the precession interconnecting piece 8 is delthyrium, four corner apertures, five corner apertures or hexagon ring, convenient for doctor using suitable
Rotational handle.
Further, depending on the bone density of patient centrum or sectional area, the fixation hole 6 be can choose as two or three
It is a.
Further, the jackshaft of the fixed strip 2 and the locating piece 1 is arranged in certain inclination angle, and angle is 30 ° to 45 °,
It can be selected according to the intervertebral height of patient, upper and lower surface and the locating piece 1 in the section of the corresponding synchronous screwing-in device 3
The angle of jackshaft is identical as the inclination angle of jackshaft of the locating piece 1 with the fixed strip 2, and only in this way configuration could turn
Moving the synchronous screwing-in device 3 makes the fixed strip 2 keep scheduled angle precession.
Further, the locating piece 1 is integrally formed by titanium alloy 3D printing, and upper and lower surface uses absorbable polymer material
It is made.
The beneficial effects of the present invention are:
1, one balance locking fusion device front height of the invention is lower than rear end, and axial symmetry, is convenient for described one
Body balance locking fusion device is inserted into the intervertebral of patient.
2, one balance locking fusion device of the invention is titanium alloy 3D printing integrated molding.
3, one balance locking fusion device upper and lower surface of the invention is made of absorbable polymer material, with centrum
Fusion, absorbable polymer material gradually degrades and is absorbed, and reduces the stress shielding to bone grafting, preferably bone grafting can be promoted to melt
It closes；Furthermore it is also provided with bone grafting window in upper and lower surface, can preferably increase centrum and ontology by the way that itself bone is added
Fusion.
4, one balance locking fusion device of the invention can be selected according to patient's intervertebral situation fixed strip quantity and
The precession angle of fixed strip, and fixed strip is balanced synchronization precession, fixed position synchronism stability, it is whether in art or postoperative
It is displaced all very small.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is integrated balance locking fusion device structure chart；
Fig. 2 is integrated balance locking fusion device front elevational sectional view.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as process, method, device, product or the equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Combined with specific embodiments below, the contents of the present invention are described in further detail:
Embodiment one: in order to reach the purpose of the present invention, as shown in Figure 1, a kind of one balance locking fusion of the invention
Device is made of locating piece 1, nibbed screw 2 and coaxial screw rod 3, and the upper surface and lower surface of the locating piece 1 are equipped with protrusion 4 just
It is preferably merged in patient's intervertebral, the protrusion 4 is dentation, and is provided with filling hole 5 (not regarding out in figure), can be filled out
It fills bone foam and is convenient for post-operative fusion, several fixation holes 6 are provided in the locating piece 1, the nibbed screw 2 is arranged described solid
Determine in hole 6, hollow cavity 7 is set in the locating piece 1, the hollow cavity 7 is communicated with 6 part of fixation hole, the coaxial filament
Bar 3 is arranged in hollow cavity 7, and the synchronous screwing-in device 7 and 2 threaded engagement of nibbed screw rotate the coaxial screw rod 3
The nibbed screw 2 can be threaded into, the nibbed screw 2 is 30 ° with the 1 axis angle of locating piece.
Five jiaos to match with artificial handle are arranged in the rear end that the coaxial screw rod 3 as shown in Figure 2 is located at the locating piece 1
Surgical operation is convenient in hole 8.It, will when doctor needs to be implanted into one balance locking fusion device to patient's intervertebral of the invention
The locating piece 1 is inserted into patient's intervertebral, and handle is directed at five corner apertures 8 after positioning, rotates the coaxial screw rod 3 and drives nibbed screw
2 synchronous precessions are to patient's intervertebral inside bone, good positioning effect, relative to being locked again to other screws after single locking
Speech, the displacement that the fixed locating piece 1 generates in the process is more preferable, and surgical effect is more preferably.
The present embodiment shows only the nibbed screw 2 and the 1 axis angle of locating piece is 30 °, nibbed screw 2 is 4
A, the described precession interconnecting piece 8 is the separate embodiment of five corner apertures, wherein nibbed screw 2 and the 1 axis angle of locating piece be can
30 ° to 45 ° are selected as, 2 numbers of nibbed screw can be with for 2-4, the precession interconnecting piece 8 can be delthyrium, four corner apertures, five jiaos
Hole or hexagon ring, do not show one by one, can be in a kind of substitution of embodiment.
Claims (8)
1. a kind of one balance locking fusion device, it is characterised in that: including locating piece (1), fixed strip (2) and synchronous screwing-in device
(3), the upper surface Yu lower surface of the locating piece (1) are equipped with protrusion (4), and are provided with filling hole (5), the locating piece
(1) several fixation holes (6) are provided in, the fixed strip (2) is arranged in the fixation hole (6), in the locating piece (1)
It is arranged hollow cavity (7), the hollow cavity (7) partially communicates with the fixation hole (6), and synchronous screwing-in device (3) setting exists
In the hollow cavity (7), the synchronous screwing-in device (3) and the fixed strip (2) threaded engagement, the synchronous screwing-in device
(3) it is located at the precession interconnecting piece (8) that the setting of the locating piece (1) front end matches with artificial handle.
2. one balance locking fusion device according to claim 1, it is characterised in that: the one balance locking fusion device
For doggy style fusion device, locating piece (1) front height is lower than rear end, and axial symmetry.
3. one balance locking fusion device according to claim 1 or 2, it is characterised in that: the synchronous screwing-in device (3)
The screw rod being incremented by within outer for coaxial radius, the fixed strip (2) is nibbed screw.
4. one balance locking fusion device according to claim 1 or 2, it is characterised in that: the precession interconnecting piece (8) is
Delthyrium, four corner apertures, five corner apertures or hexagon ring.
5. one balance locking fusion device according to claim 1 or 2, it is characterised in that: the protrusion (4) is cdontoid process
It rises.
6. one balance locking fusion device according to claim 5, it is characterised in that: the fixation hole (6) is two, three
It is a or four.
7. it is according to claim 6 one balance locking fusion device, it is characterised in that: the fixed strip (2) with it is described fixed
The axis of position block (1) is arranged in certain inclination angle, and angle is 30 ° to 45 °, and accordingly the section of the synchronous screwing-in device (3) is upper
Middle axial rake phase of the angle of lower surface and the axis of the locating piece (1) with the fixed strip (2) and the locating piece (1)
Together.
8. one balance locking fusion device according to claim 1, it is characterised in that: the locating piece (1) is by titanium alloy
3D printing is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346899.5A CN109925103A (en) | 2019-04-27 | 2019-04-27 | A kind of one balance locking fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346899.5A CN109925103A (en) | 2019-04-27 | 2019-04-27 | A kind of one balance locking fusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109925103A true CN109925103A (en) | 2019-06-25 |
Family
ID=66991143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910346899.5A Pending CN109925103A (en) | 2019-04-27 | 2019-04-27 | A kind of one balance locking fusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109925103A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120277867A1 (en) * | 2007-06-06 | 2012-11-01 | SpineSmith Partners | Interbody fusion device and associated methods |
| US20150105824A1 (en) * | 2005-04-12 | 2015-04-16 | Nathan C. Moskowitz | Bi-directional fixating transvertebral body screws, zero-profile horizontal intervertebral miniplates, total intervertebral body fusion devices, and posterior motion-calibrating interarticulating joint stapling device for spinal fusion |
| US20180177606A1 (en) * | 2013-08-22 | 2018-06-28 | Globus Medical, Inc. | Interbody fusion devices with self-affixing mechanisms |
| US20180228622A1 (en) * | 2004-11-03 | 2018-08-16 | Neuropro Technologies, Inc. | Bone fusion device |
| CN108652793A (en) * | 2018-05-29 | 2018-10-16 | 迪恩医疗科技有限公司 | Band hook-type Invasive lumbar fusion device |
| CN210330831U (en) * | 2019-04-27 | 2020-04-17 | 中山大学孙逸仙纪念医院 | Integrative balanced locking fuses ware |
-
2019
- 2019-04-27 CN CN201910346899.5A patent/CN109925103A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180228622A1 (en) * | 2004-11-03 | 2018-08-16 | Neuropro Technologies, Inc. | Bone fusion device |
| US20150105824A1 (en) * | 2005-04-12 | 2015-04-16 | Nathan C. Moskowitz | Bi-directional fixating transvertebral body screws, zero-profile horizontal intervertebral miniplates, total intervertebral body fusion devices, and posterior motion-calibrating interarticulating joint stapling device for spinal fusion |
| US20120277867A1 (en) * | 2007-06-06 | 2012-11-01 | SpineSmith Partners | Interbody fusion device and associated methods |
| US20180177606A1 (en) * | 2013-08-22 | 2018-06-28 | Globus Medical, Inc. | Interbody fusion devices with self-affixing mechanisms |
| CN108652793A (en) * | 2018-05-29 | 2018-10-16 | 迪恩医疗科技有限公司 | Band hook-type Invasive lumbar fusion device |
| CN210330831U (en) * | 2019-04-27 | 2020-04-17 | 中山大学孙逸仙纪念医院 | Integrative balanced locking fuses ware |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU760038B2 (en) | Bone fixation system | |
| US9039770B2 (en) | Apparatus for anterior intervertebral spinal fixation and fusion | |
| US6306170B2 (en) | Threaded fusion cage anchoring device and method | |
| EP1778110B1 (en) | Apparatus for the correction of skeletal deformities | |
| USRE46008E1 (en) | Hindfoot nail | |
| US20050197700A1 (en) | Facet joint prosthesis and method of replacing a facet joint | |
| US20090099601A1 (en) | Minimally invasive lateral intervertbral fixation system, device and method | |
| US20090171394A1 (en) | Devices And Methods For The Treatment Of Facet Joint Disease | |
| US20220339002A1 (en) | Spinal Fixation System and Kit | |
| JP2014504889A (en) | Intervertebral device and method of use | |
| JP2008522787A (en) | Intervertebral implant | |
| JP2004533272A (en) | Healing implant device | |
| CN113727676A (en) | Spinal implant system and method | |
| US9968460B2 (en) | Dynamic spinal segment replacement | |
| JP2003503155A (en) | Spinal column interbody cage | |
| CN105411727B (en) | Anterior cervical vertebrae can adjust the fixed titanium net system of the incisura of interfacial type zero support fusion | |
| CN211356082U (en) | Visual interbody fusion cage of backbone scope | |
| Buttermann et al. | Interbody device endplate engagement effects on motion segment biomechanics | |
| CN109925103A (en) | A kind of one balance locking fusion device | |
| CN210330831U (en) | Integrative balanced locking fuses ware | |
| CN205322555U (en) | Formula zero notch in adjustable interface of anterior cervical spine supports and fuses fixed titanium network system | |
| CN110893130A (en) | Intervertebral fusion cage | |
| EP1011505A1 (en) | Threaded fusion cage anchoring device and method | |
| CN1748655A (en) | Front self locking fixing pin plate for lumbar vertebra | |
| CN116747053B (en) | sacral prosthesis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |