CN209499868U - A kind of lumbar vertebrae side anterior stabilization internal fixation system - Google Patents
A kind of lumbar vertebrae side anterior stabilization internal fixation system Download PDFInfo
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- CN209499868U CN209499868U CN201820721297.4U CN201820721297U CN209499868U CN 209499868 U CN209499868 U CN 209499868U CN 201820721297 U CN201820721297 U CN 201820721297U CN 209499868 U CN209499868 U CN 209499868U
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- lockplate
- hole
- internal fixation
- baffle
- lumbar vertebrae
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Abstract
The utility model discloses a kind of lumbar vertebrae side anterior stabilization internal fixation systems, including fusion device, lockplate, clamping screw, bone screws and installing mechanism, the installing mechanism includes bracket, the bracket front end is equipped with clamping part, the carriage center is equipped with axial pass-through holes, and the clamping part side of the bracket, which is equipped with, leads drilling.Using the utility model, has the advantages that simplified operating procedure, reduction operating time, reduces wound and realize that clamping screw and bone screws are accurately installed and is fixed.
Description
Technical field
The utility model relates to a kind of medical instrument more particularly to a kind of lumbar vertebrae side anterior stabilization internal fixation systems.
Background technique
At present after the Intervertebral disk displacement for carrying out lesion removes, it will usually substitute discectomy part with fusion device, then
Reusing the interior fixed operation that suitable steel plate, bone screws etc. carry out multi-step is generally first hold with specific purpose tool when operation
The removed vertebral disc portion of fusion device implantation, reusing specific purpose tool holds the position that steel plate is put into implantation fusion device, so
It drilled respectively with dedicated tool afterwards, screw in and be fixed temporarily screw, then bone screws are squeezed into rotation in order, finally by steel plate
It is fixed on spinal vertebrae.
This fusion fixed form can generate many ill effects, for example, merge using different specific purpose tools solid
Fixed, operating procedure is more, and the time is long, and wound is big；Bone screws are easy contraposition and are not allowed to squeeze into cancellous bone region, lead to lockplate stability
It is poor.The appearance of these problems can also in a disguised form cause operation do over again repeatedly, increase the problems such as operation risk.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide fixed in a kind of anterior stabilization of lumbar vertebrae side
System can simplify operating procedure, reduce operating time, reduce wound and realize that bone screws accurately install fixation.
The utility model is achieved through the following technical solutions: a kind of lumbar vertebrae side anterior stabilization internal fixation system, including is melted
Clutch, lockplate, clamping screw, bone screws and installing mechanism, the installing mechanism include bracket, and the bracket front end is equipped with folder
Portion is held, the clamping part is for clamping the lockplate；The carriage center is equipped with axial pass-through holes, and the clamping screw passes through
Lockplate is fixed on fusion device end face by the axial pass-through holes；The bracket clamping part side is equipped with and leads drilling, the bone
Screw passes through described lead and drills lockplate fixed on spinal vertebrae.
Wherein, the lockplate end face center is equipped with the second through-hole, and the installing mechanism clamps the state of the lockplate
Under, the axial pass-through holes are directed at second through-hole.
The locking plate end face two sides are respectively equipped with third through-hole, and the clamping part two sides of the bracket, which are respectively equipped with, leads brill
Hole, in the state that the installing mechanism clamps the lockplate, the third through-hole led drilling and be respectively aligned to lockplate.
The lockplate side is respectively equipped with two limiting grooves, and the clamping part is equipped with and the lockplate limiting groove
Matched protrusion.
The fusion internal fixation system further includes moveing freely in the box spanner of the axial pass-through holes, the sleeve barrel spanner
Hand front end is equipped with the matched hexagonal hollow structure of nut with clamping screw, and rear end is equipped with attachment cap.
The fusion internal fixation system further includes screwdriver rod, and the screwdriver rod leads drilling and third through-hole for bone by described
Screw screws in spinal vertebrae.
The fusion internal fixation system further includes baffle, and the baffle is first spirally connected with lockplate and rivets afterwards, at the baffle
When riveting status, the third through-hole of baffle covering lockplate two sides.
Second through-hole is equipped with internal screw thread, and the baffle is equipped with connecting pin and blocks end face, the connecting pin be equipped with
The second matched external screw thread of through-hole internal screw thread, the end face both ends of blocking are long and narrow, when the baffle is in riveting status, the screening
The long and narrow both ends of gear end face are covered each by the third through-hole of lockplate two sides.
The back-end support is equipped with handle.
A kind of lumbar vertebrae side anterior stabilization internal fixation system of the utility model, have the following beneficial effects: provide it is more square
Just efficiently installing mechanism, the installation for simplifying fusion device and lockplate are fixed, and reduce operating procedure and operating time；Pass through
Axial pass-through holes on installing mechanism lead that drilling realizes clamping screw respectively, bone screws are accurately positioned to target position, stablize
Property it is good, avoid operation do over again repeatedly, reduce operation risk.
Detailed description of the invention
It, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the utility model
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structure chart of the installing mechanism of the utility model embodiment one；
Fig. 2 is the detonation configuration figure of the installing mechanism of the utility model embodiment one；
Fig. 3 is the structure chart of the fusion device of the utility model, lockplate, baffle, clamping screw and bone screws；
Fig. 4 is the structure chart of another angle of fusion device, lockplate and baffle of the utility model；
Fig. 5 is the structure chart of the fusion internal fixation system of the utility model embodiment two；
Fig. 6 is the cross-sectional view of the fusion internal fixation system of the utility model embodiment two.
Wherein, attached drawing correspondence markings in figure are as follows:
1- fusion device 2- lockplate 3- baffle
4- clamping screw 5- bone screws 6- installing mechanism
7- box spanner 8- screwdriver rod
11- first through hole 21- the second through-hole 22- third through-hole
23- limiting groove 31- connecting pin 32- blocks end face
61- bracket 62- clamping part 63- protrusion
64- first in command's 65- axial pass-through holes 66- limiting slot
67- sighting device 68- second handle 69- leads drilling
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out clearly the technical solution in utility model embodiment
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one
Reference book attached drawing 1, attached drawing 2, attached drawing 3 and attached drawing 4 are in a kind of lumbar vertebrae side anterior stabilization of the utility model
Fixed system, including fusion device 1, lockplate 2, baffle 3, clamping screw 4, bone screws 5, installing mechanism 6, box spanner 7 and rise
Sub bar 8；
1 end face of fusion device is equipped with first through hole 11, is equipped with internal screw thread in first through hole 11；
2 end face center of lockplate is equipped with the second through-hole 21, and the second through-hole 21 is equipped with internal screw thread, 2 end face two sides of lockplate point
Not She You third through-hole 22,2 two sides of lockplate are respectively equipped with two limiting grooves 23；
Baffle 3 is equipped with connecting pin 31 and blocks end face 32, and connecting pin 31 is equipped with the centre bore penetrated through with end face 32 is blocked, even
Connect end 31 be equipped with the matched external screw thread of 21 internal screw thread of the second through-hole, block that 32 both ends of end face are long and narrow, and baffle 3 is riveted to lockplate
When 2 end face, the long and narrow both ends for blocking end face 32 are covered each by the third through-hole 22 of 2 two sides of lockplate；
Clamping screw 4 passes through the centre bore of baffle 3 and the internal screw thread of first through hole 11 is spirally connected, and 4 nut of clamping screw is six
Corner structure, nut size are greater than the centre bore of baffle 3；
5 outer diameter of bone screws is less than third through-hole 22, may pass through third through-hole 22 and lockplate 2 is fixed on spinal vertebrae；
Installing mechanism 6 includes bracket 61, and 61 front end of bracket is equipped with the clamping part 62 for clamping lockplate 2, clamping part 62
Equipped with 2 limiting groove 23 matched raised 63 of lockplate, 61 rear end of bracket be equipped with the first in command 64；
61 inside center of bracket is equipped with axial pass-through holes 65, and clamping screw 4 may pass through the axial pass-through holes 64；
62 two sides of clamping part of bracket 61 are equipped with limiting slot 66, which cooperates sighting device 67 to use, sighting device 67
It is fixedly connected with second handle 68, drives sighting device 67 to slide in limiting slot 66 by second handle 68 when use, clamping part
When 62 clamping lockplate 2,67 front end of sighting device is against on 2 end face of lockplate, and the drilling 69 of leading of sighting device 67 corresponds to lockplate 2
Third through-hole 22, bone screws 5 lead drilling 69 by this and spinal vertebrae is squeezed into the rotation of third through-hole 22；
Box spanner 7 is longer than bracket 61, and the outer diameter of box spanner 7 is less than the diameter of axial pass-through holes 65, can pass through axially
It is move freely in through-hole 65,7 front end of box spanner is equipped with the matched hexagonal hollow structure of nut with clamping screw 4, sleeve barrel spanner
7 rear end of hand is equipped with attachment cap, and the outer diameter of attachment cap is greater than the diameter of axial pass-through holes 65；
The outer diameter of screwdriver rod 8 is less than the diameter that sighting device 67 leads drilling 69, and screwdriver rod 8 can freely turn in leading drilling 69
It is dynamic, for spinal vertebrae to be squeezed into the rotation of bone screws 5.
Accordingly, in use, the fixed baffle 3 of the first step and lockplate 2, are screwed to lockplate 2 for baffle 3 by specific purpose tool
The second through-hole 21 in, lockplate 2 does not rivet at this time, baffle 3 block end face 32 deviate lockplate 2 third through-hole 22；
Second step fixing lock fixed board 2 and fusion device 1 clamp lockplate 2, the hand-held firmly sleeve of another using installing mechanism 6
In the axial pass-through holes 65 of 7 Stent Implantation 61 of spanner, clamping screw 4 is placed in the hexagonal hollow structure of 7 front end of box spanner in advance
Interior, clamping screw 4 passes through the first through hole 11 of the center alignment fusion device 1 of baffle 3, at this point, the connection of rotational sleeve spanner 7
Cap, box spanner 7 drive clamping screw 4 to rotate, and clamping screw 4 screws in first through hole 11, so that lockplate 2 is fixed to fusion
On 1 end face of device；
Third step is implanted into fusion device 1, and after lockplate 2 and fusion device 1 fix, bracket 61 holds lockplate 2 and fusion
Device 1 is placed between spinal vertebrae, and fusion device 1 is implanted to correct position using the attachment cap on 7 top of hammer box spanner；
Lockplate 2 is fixed on spinal vertebrae by the 4th step, first the wherein side of fixing lock fixed board 2, holds sighting device
Sighting device 67 is pushed into the limiting slot 66 of 61 side of bracket until the front end of sighting device 67 arrives to lockplate 2 by 67 second handle 68
The corresponding third through-hole 22 of drilling 69 is led in end face at this time, leads drilling 69 with third through-hole 22 in backbone by this using specific purpose tool
It drills on vertebra, bone screws 5 is then led into drilling 69 by this and third through-hole 22 is placed in the hole being drilled, reuse screwdriver rod
8, which lead drilling 69 and third through-hole 22 by this, screws in spinal vertebrae for bone screws 5, passes through second after fixing 2 side of lockplate
Handle 68 takes out sighting device 67 from limiting slot 66, then the other side of fixing lock fixed board 2 in the same way, and lockplate 2 is fixed
Installing mechanism 6 is taken out after good；
Final step screws baffle 3, and baffle 3 is further rotated smaller angle using specific purpose tool, makes blocking for baffle 3
End face 32 covers the third through-hole 22 of lockplate 2, and baffle 3 is then riveted on 2 end face of lockplate, prevents exiting for bone screws 5.
Embodiment two
Reference book attached drawing 3, attached drawing 4, attached drawing 5 and attached drawing 6 are another lumbar vertebrae side anterior stabilization of the utility model
Internal fixation system, including fusion device 1, lockplate 2, baffle 3, clamping screw 4, bone screws 5, installing mechanism 6,7 and of box spanner
Screwdriver rod 8；
1 end face of fusion device is equipped with first through hole 11, is equipped with internal screw thread in first through hole 11；
2 end face center of lockplate is equipped with the second through-hole 21, and the second through-hole 21 is equipped with internal screw thread, 2 end face two sides of lockplate point
Not She You third through-hole 22,2 two sides of lockplate are respectively equipped with two limiting grooves 23；
Baffle 3 is equipped with connecting pin 31 and blocks end face 32, and connecting pin 31 is equipped with the centre bore penetrated through with end face 32 is blocked, even
Connect end 31 be equipped with the matched external screw thread of 21 internal screw thread of the second through-hole, block that 32 both ends of end face are long and narrow, and baffle 3 is riveted to locking
When 2 end face of plate, the long and narrow both ends for blocking end face 32 are covered each by the third through-hole 22 of 2 two sides of lockplate；
Clamping screw 4 passes through the centre bore of baffle 3 and the internal screw thread of first through hole 11 is spirally connected, and 4 nut of clamping screw is six
Corner structure, nut size are greater than the centre bore of baffle 3；
5 outer diameter of bone screws is less than third through-hole 22, may pass through third through-hole 22 and lockplate 2 is fixed on spinal vertebrae；
Installing mechanism 6 includes bracket 61, and the front end of bracket 61 is equipped with the clamping part 62 for clamping lockplate 2, clamping part
62 be equipped with 2 limiting groove 23 matched raised 63 of lockplate, 61 rear end of bracket be equipped with the first in command 64；
61 inside center of bracket is equipped with axial pass-through holes 65, and clamping screw 4 may pass through the axial pass-through holes 65；
65 two sides of axial pass-through holes of bracket 61, which are respectively equipped with, leads drilling 69, when clamping part 62 clamps lockplate 2, leads drilling
The third through-hole 22 of 69 corresponding lockplates 2, bone screws 5 lead drilling 69 by this and spinal vertebrae is squeezed into the rotation of third through-hole 22；
Box spanner 7 is longer than bracket 61, and the outer diameter of box spanner 7 is less than the diameter of axial pass-through holes 65, can pass through axially
It is move freely in through-hole 65,7 front end of box spanner is equipped with the matched hexagonal hollow structure of nut with clamping screw 4, sleeve barrel spanner
7 rear end of hand is equipped with attachment cap, and the outer diameter of attachment cap is greater than the diameter of axial pass-through holes 65；
The outer diameter of screwdriver rod 8 is less than the diameter for leading drilling 69, and screwdriver rod 8 can be freely rotated in leading drilling 69, and being used for will
Spinal vertebrae is squeezed into the rotation of bone screws 5.
Accordingly, in use, the fixed baffle 3 of the first step and lockplate 2, are screwed to lockplate 2 for baffle 3 by specific purpose tool
The second through-hole 21 in, lockplate 2 does not rivet at this time, baffle 3 block end face 32 deviate lockplate 2 third through-hole 22；
Second step fixing lock fixed board 2 and fusion device 1 clamp lockplate 2, the hand-held firmly sleeve of another using installing mechanism 6
In the axial pass-through holes 65 of 7 Stent Implantation 61 of spanner, clamping screw 4 is placed in the hexagonal hollow structure of 7 front end of box spanner in advance
Interior, clamping screw 4 passes through the first through hole 11 of the center alignment fusion device 1 of baffle 3, at this point, the connection of rotational sleeve spanner 7
Cap, box spanner 7 drive clamping screw 4 to rotate, and clamping screw 4 screws in first through hole 11, so that lockplate 2 is fixed to fusion
On 1 end face of device；
Third step is implanted into fusion device 1, and after lockplate 2 and fusion device 1 fix, bracket 61 holds lockplate 2 and fusion
Device 1 is placed between spinal vertebrae, and fusion device 1 is implanted to correct position using the attachment cap on 7 top of hammer box spanner；
Lockplate 2 is fixed on spinal vertebrae by the 4th step, when installing mechanism 6 holds lockplate 2, axial pass-through holes 65
The third through-hole 22 of two sides led drilling 69 and respectively correspond lockplate 2 is led drilling 69 by this using specific purpose tool and is led to third
Hole 22 drills on spinal vertebrae, and bone screws 5 are then led drilling 69 by this and third through-hole 22 is placed in the hole being drilled, then
Drilling 69 and third through-hole 22 are led by this using screwdriver rod 8, bone screws 5 are screwed in into spinal vertebrae, then fixing lock in the same way
The other side of fixed board 2, lockplate 2 take out installing mechanism 6 after fixing；
Final step screws baffle 3, and baffle 3 is further rotated smaller angle using specific purpose tool, makes blocking for baffle 3
End face 32 covers the third through-hole 22 of lockplate 2, and baffle 3 is then riveted on 2 end face of lockplate, prevents exiting for bone screws 5.
It is noted that embodiment one and embodiment two are first to fix fusion device 1 and lockplate 2 in vitro, so
Another body implantation fusion device 1 and lockplate 2 afterwards, when specific implementation, also can be used specific purpose tool and are first implanted into fusion device 1, then
Lockplate 2 and fusion device 1 are fixed in vivo by the installing mechanism 6 of the utility model.
The preferred embodiment of the utility model has shown and described in above description, as previously described, it should be understood that this is practical new
Type is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various other groups
Conjunction, modification and environment, and above-mentioned introduction or the technology of related fields can be passed through within the scope of the inventive concept described herein
Or knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then
It all should be in the protection scope of the appended claims for the utility model.
Claims (9)
1. a kind of lumbar vertebrae side anterior stabilization internal fixation system, including fusion device (1), lockplate (2), clamping screw (4), bone screws
(5) and installing mechanism (6), the installing mechanism (6) include bracket (61), and bracket (61) front end is equipped with clamping part (62),
It is characterized in that, bracket (61) center is equipped with axial pass-through holes (65), clamping part (62) side is equipped with and leads drilling
(69)。
2. a kind of lumbar vertebrae side anterior stabilization internal fixation system according to claim 1, which is characterized in that the lockplate
(2) end face center is equipped with the second through-hole (21), in the state that the installing mechanism (6) clamps the lockplate (2), the axial direction
Through hole (65) is directed at second through-hole (21).
3. a kind of lumbar vertebrae side anterior stabilization internal fixation system according to claim 2, which is characterized in that the lockplate end
Face two sides are respectively equipped with third through-hole (22), and the clamping part two sides of the bracket (61), which are respectively equipped with, leads drilling (69), the peace
In the state that mounting mechanism (6) clamps the lockplate (2), the third through-hole led drilling (69) and be respectively aligned to lockplate (2)
(22)。
4. a kind of lumbar vertebrae side anterior stabilization internal fixation system according to claim 3, which is characterized in that the lockplate
(2) side is respectively equipped with two limiting grooves (23), and the clamping part (62) is equipped with and the lockplate limiting groove (23)
The protrusion (63) matched.
5. a kind of lumbar vertebrae side anterior stabilization internal fixation system according to claim 4, which is characterized in that solid in the fusion
Determining system further includes the box spanner (7) moveing freely in the axial pass-through holes (65), and box spanner (7) front end is equipped with
With the matched hexagonal hollow structure of nut of clamping screw (4), rear end is equipped with attachment cap.
6. a kind of lumbar vertebrae side anterior stabilization internal fixation system according to claim 5, which is characterized in that solid in the fusion
Determining system further includes screwdriver rod (8), and the screwdriver rod (8) leads drilling (69) and third through-hole (22) for bone screws by described
(5) spinal vertebrae is screwed in.
7. a kind of lumbar vertebrae side anterior stabilization internal fixation system according to claim 6, which is characterized in that solid in the fusion
Determining system further includes baffle (3), and the baffle (3) is first spirally connected with lockplate (2) to be riveted afterwards, and the baffle (3) is in riveting shape
When state, the third through-hole (22) of baffle (3) covering lockplate two sides.
8. a kind of lumbar vertebrae side anterior stabilization internal fixation system according to claim 7, which is characterized in that second through-hole
(21) it is equipped with internal screw thread, the baffle (3) is equipped with and connecting pin (31) and blocks end face (32), and the connecting pin (31) is equipped with the
The matched external screw thread of two through-holes (21) internal screw thread, described end face (32) both ends of blocking are long and narrow, and the baffle (3) is in riveting status
When, the long and narrow both ends for blocking end face (32) are covered each by the third through-hole (22) of lockplate (2) two sides.
9. a kind of lumbar vertebrae side anterior stabilization internal fixation system according to claim 8, which is characterized in that the bracket (61)
Rear end is equipped with the first in command (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820721297.4U CN209499868U (en) | 2018-05-15 | 2018-05-15 | A kind of lumbar vertebrae side anterior stabilization internal fixation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820721297.4U CN209499868U (en) | 2018-05-15 | 2018-05-15 | A kind of lumbar vertebrae side anterior stabilization internal fixation system |
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| Publication Number | Publication Date |
|---|---|
| CN209499868U true CN209499868U (en) | 2019-10-18 |
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ID=68186168
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820721297.4U Active CN209499868U (en) | 2018-05-15 | 2018-05-15 | A kind of lumbar vertebrae side anterior stabilization internal fixation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108553154A (en) * | 2018-05-15 | 2018-09-21 | 大博医疗科技股份有限公司 | A kind of lumbar vertebrae side anterior stabilization internal fixation system |
-
2018
- 2018-05-15 CN CN201820721297.4U patent/CN209499868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108553154A (en) * | 2018-05-15 | 2018-09-21 | 大博医疗科技股份有限公司 | A kind of lumbar vertebrae side anterior stabilization internal fixation system |
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