CN208625834U - A kind of adjustable double flute internal fixation device of spine and bone screws - Google Patents
A kind of adjustable double flute internal fixation device of spine and bone screws Download PDFInfo
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- CN208625834U CN208625834U CN201721255595.0U CN201721255595U CN208625834U CN 208625834 U CN208625834 U CN 208625834U CN 201721255595 U CN201721255595 U CN 201721255595U CN 208625834 U CN208625834 U CN 208625834U
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- base
- pitman
- lag
- elongated slot
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- 238000005516 engineering process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010058907 Spinal deformity Diseases 0.000 description 1
- 208000020307 Spinal disease Diseases 0.000 description 1
- 241001079814 Symphyotrichum pilosum Species 0.000 description 1
- 235000004224 Typha angustifolia Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000013013 elastic material Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000003692 ilium Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 208000020431 spinal cord injury Diseases 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of adjustable double flute internal fixation device of spine, including first base, second base and pitman, first base and second base have U-lag from the top down, the inner wall of the U-lag is equipped with internal screw thread, the pitman is horizontally disposed, the second base is provided with elongated slot in the horizontal direction, one end of the pitman is threaded through in first base, the other end is threaded through in the elongated slot of second base, the pitman can be swung in the elongated slot, the first base and second base can relatively rotate on pitman, which reduce because following closely stick stress concentration or scratch caused by curved rod, guarantee the service life of nail stick.The utility model also provides a kind of bone screws with the inner fixing device, and first base and/or second base are equipped with shank of screw；Its is easy to use, flexible.
Description
Technical field
The utility model relates to internal fixation of spine medical instrument more particularly to a kind of adjustable double flute internal fixation device of spine
And bone screws.
Background technique
Internal fixation of spine technology is the widely used surgical technic of current spinal disease, early stage internal fixation operation be all made of compared with
For simple mode, for example fix with filamentary silver the cervical vertebra fusion of bone etc. of cervical vertebra.The technology development of internal fixation of spine is mainly to be
Meet the needs of backbone correcting, for example the multistage of the correction of premenstrual road or way of escape scoliosis deformity, deformity of spine resets
Deng.One leap of internal fixation of spine technology is the appearance of pedicle screw technique, at present pedicle types screw fixation technique
Have become the core technology of internal fixation of spine technology.
Existing frequently-used internal fixation device of spine includes various pedicle screws, matches dowel stick and some other assistor
Tool uses.Currently, what is used includes single slot pedicle screw (referred to as single slot nail) and double flute pedicle screw (abbreviation double flute
Nail).
The list slot nail is usually used in the operation such as backbone retrogression pathological changes, slippage, tumour, fracture.The double flute nail is suitble to cut
The Sacroiliac compound fixation of osseous surgery, waist and revision procedure.When needing osteotomy, it can be ensured that osteotomy operating space is stablized, effectively
Spinal cord injury risk is reduced, realizes orthopedic effect.Periodically, the nail stick in a slot realizes waist sacrum bone fixation to composite solid, another
Nail stick in slot realizes that waist ilium is fixed.
Above-mentioned double flute nail can providing great convenience property during operation, but there are some insurmountable problems,
Such as when two nail sticks being mounted on double flute nailing on, nail stick has to parallel fixation, this adds increased the number of folding stick curved rod and
Possibility.In the field of business well known, in order to play rectification effect, the rigidity for following closely stick is larger, and the actual conditions of different patients are different,
Interim curved rod expends the time, is easy to appear repeatedly the case where curved rod is still unable to satisfy requirement, this will lead to nail stick and answers
Power is concentrated or scratch, service life receive very big influence, is easy failure.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of curved rod number for reducing nail stick, guarantee that it uses the longevity
The adjustable double flute internal fixation device of spine of life, to overcome the defect in the prior art.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution: a kind of adjustable double flute is intraspinal
Fixed device, including first base, second base and pitman, first base and second base have U-shaped from the top down
The inner wall of slot, the U-lag is equipped with internal screw thread, and the pitman is horizontally disposed, and the second base is in the horizontal direction
It is provided with elongated slot, one end of the pitman is threaded through in first base, and the other end is threaded through in the elongated slot of second base, the company
Taking over the baton can swing in the elongated slot, and the first base and second base can relatively rotate on pitman.
Preferably, one end fixation of the pitman is threaded through in first base, and the other end is rotary to be threaded through the
On two pedestals.
Further, the U-lag in second base is connected with the elongated slot, is equipped in the U-lag of the second base
Compact heap, the bottom surface of the compact heap are equipped with retention bead, are provided with annular groove on the pitman, the pitman passes through length
Slot penetrates the slot bottom of the U-lag, and the retention bead on the compact heap is matched with the annular groove on the pitman.
Preferably, one end of the pitman is rotatably threaded through in first base, and the other end is rotatably threaded through
In second base.
Further, the U-lag in second base is connected with the elongated slot, the U of the first base and second base
The identical compact heap of structure is respectively equipped in shape slot, the bottom surface of the compact heap is equipped with retention bead, the both ends of the pitman
Annular groove is had, one end of the pitman penetrates the slot bottom of the U-lag of first base, and the other end is penetrated by elongated slot
The slot bottom of the U-lag of second base, the retention bead on the compact heap are matched with the annular groove on pitman.
Preferably, in the two side walls of the U-lag of the first base and/or the two side walls of the U-lag of second base
On be provided with fracture.
The utility model also provides a kind of bone screws easy to use, flexibly having the inner fixing device, specific skill
Art scheme are as follows: first base 1 and/or second base are equipped with shank of screw.
Preferably, the first base and/or second base are provided with ball-and-socket, and one end of the shank of screw is equipped with bulb, institute
Bulb is stated to match with ball-and-socket.
Preferably, the first base and/or second base are provided with threaded hole, and the shank of screw is matched with threaded hole screw thread
It closes.
As described above, a kind of adjustable double flute internal fixation device of spine of the utility model and bone screws, have with following
Beneficial effect:
Two pedestals of the utility model inner fixing device can relatively rotate, it is opposite swing, according to nail stick adjusting position,
Transition guiding role is played, and then reduces the curved rod number to nail stick, stick stress is followed closely caused by also just reducing because of curved rod and concentrates
Or scratch, guarantee the service life of nail stick, avoids realizing failure too early.In addition, because can effectively reduce in actual use
Curved rod number, it is possible to effectively improve procedure efficiency, bring great convenience for the surgical procedure of doctor, effectively reduce doctor's
Labor intensity and workload.
Bone screws of the utility model with inner fixing device are easy to use, flexible, good working effect.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model inner fixing device.
Fig. 2 is the first structure broken away view of the utility model inner fixing device.
Fig. 3 is that the vertical view of first base and second base swings schematic diagram in the utility model.
Fig. 4 is the main view of second base in the utility model.
Fig. 5 is cross-sectional view at A-A in Fig. 4.
Fig. 6 is the structure chart of compact heap in the utility model.
Fig. 7 is the principle schematic diagram of compact heap and pitman in the utility model.
Fig. 8 is second of structural schematic diagram of the utility model inner fixing device.
Fig. 9 is the broken away view of Fig. 8.
Figure 10 is the first structural schematic diagram that the utility model inner fixing device has fracture.
Figure 11 is second of structural schematic diagram that the utility model inner fixing device has fracture.
Figure 12 is the first structural schematic diagram of the utility model bone screws.
Figure 13 is the cross-sectional view of Figure 12.
Figure 14 is second of structural schematic diagram of the utility model bone screws.
Figure 15 is the third structural schematic diagram of the utility model bone screws.
Figure 16 uses schematic diagram for the utility model inner fixing device.
Figure 17 is that bone screws of the utility model with inner fixing device use schematic diagram.
In figure:
1 first base, 2 second base
3 pitman, 4 U-lag
5 compact heap, 31 annular groove
51 retention bead, 21 elongated slot
52 inner panel, 53 outside plate
54 gap, 6 shank of screw
7 nail 8 pressure heads of stick
61 bulb, 11 through-hole
The big oral area of 10 vertebra 211
212 small 41 fractures of oral area
Specific embodiment
Structure depicted in Figure of description, ratio, size etc., only to cooperate the revealed content of specification, with
Understand for those skilled in the art and read, is not intended to limit the utility model enforceable qualifications, therefore does not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute
Under the effect of capable of generating and the purpose that can reach, the model that the revealed technology contents of the utility model can be covered should all be fallen in
In enclosing.Meanwhile cited such as "upper", "lower", "front", "rear", " centre " term in this specification, it is merely convenient to describe
Be illustrated, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, without substantive change
Under technology contents, when being also considered as the enforceable scope of the utility model.
In spinal surgery, some positions are inconvenient to be implanted into bone screws, but need to realize position by nail stick again
Correction or transition, this inner fixing device are exactly to apply in these positions, can be provided for operation on vertebra conveniently.
As Figure 1-Figure 5, the utility model be a kind of adjustable double flute internal fixation device of spine, including first base 1,
Second base 2 and pitman 3, first base 1 and second base 2 have a U-lag 4 from the top down, the U-lag 4 it is interior
Wall is equipped with internal screw thread, and the pitman 3 is horizontally disposed.The second base 2 is provided with elongated slot 21 in the horizontal direction, described
One end of pitman 3 is threaded through in first base 1, and the other end is threaded through in the elongated slot 21 of second base 2,3 energy of pitman
Enough to swing in the elongated slot 21, i.e., first base 1 and second base 2 opposite in the horizontal direction as shown in Figure 3 can be swung；Institute
Stating first base 1 and second base 2 can also relatively rotate on pitman 3.
The structural principle of the utility model is: because first base 1 and second base 2 formed by the connection of pitman 3 it is whole
Body structure, in use, medical nail stick is individually positioned in the U-lag 4 of two pedestals, then using on clamping cap and U-lag 4
Screw-internal thread fit by follow closely stick be pressed in U-lag 4 respectively.Because two pedestals can relatively rotate and opposite swing, in turn
Position can be neatly adjusted with nail stick, nail stick itself will not repeatedly be bent, and it reduces stress collection and neutralizes scratch, so that nail stick
The chance that fails is reduced, and guarantees service life.
In conjunction with Fig. 2-Fig. 5, the left and right directions in 21 width of elongated slot, that is, Fig. 4 in the utility model in second base 2, elongated slot
For 21 specific structure as shown in figure 5, both ends part is the biggish big oral area 211 of width, middle section is the lesser osculum of width
Portion 212 can effectively limit position of the pitman 3 when swinging by intermediate small oral area 212, be equivalent to intermediate osculum
It is swung centered on portion 212, guarantees the stability that first base 1 and second base 2 use when swinging.
Embodiment one:
The first structure of the utility model is that one end fixation of pitman 3 is threaded through in first base 1, and the other end can be with
Rotation is threaded through in second base 2, to realize the relative rotation of two pedestals.Specific implementation structure is: with reference to Fig. 2-figure
7, the U-lag 4 is connected with the elongated slot 21, and compact heap 5, the compact heap 5 are equipped in the U-lag 4 of the second base 2
Bottom surface be equipped with retention bead 51, annular groove 31 is provided on the pitman 3, the pitman 3 penetrates institute by elongated slot 21
The slot bottom of U-lag 4 is stated, the retention bead 51 on the compact heap 5 is matched with the annular groove 31 on the pitman 3.I.e.
When in use, when in the elongated slot 21 of the end of pitman 3 insertion second base 2, by U-lag 4 it can be seen that pitman 3
Annular groove 31 when being put into compact heap 5 in U-lag 4, can allow retention bead 51 to enter in the annular groove 31 and carry out
Limit, and then realize that pitman 3 can be pressed against the rotation of block 5, that is, second base 2 can be freely rotated around pitman 3,
To realize the relative rotation of first base 1 and second base 2.Retention bead 51 and annular groove 31 in the present embodiment cooperate
Can limit position of the second base 2 on pitman 3 afterwards, the distance between first base 1 and second base 2 be it is determining,
I.e. in production and processing, the spacing of two pedestals can be determined according to the position of annular groove 31, obtains the product of multiple models.
In addition, can have following methods realization: (1) compression to realize that pitman 3 and the opposite of second base 2 are swung
Block 5 can independently rotate in the horizontal plane relative to second base 2, and compact heap 5 and pitman 3 rotate synchronously when pitman 3 is swung；
(2) compact heap 5 is elastic material, and when pitman 3 rotates, compact heap 5 generates the swing that elastic deformation is pitman 3 and mentions
For condition.In the present embodiment, as shown in fig. 6, the compact heap 5 is inverted U-shaped compatible with 3 shape of pitman,
Both ends are respectively equipped with inner panel 52 and outside plate 53, there is gap 54 between inner panel 52 and outside plate 53, and inner panel 52 can generate elastic deformation,
The retention bead 51 is arranged on inner panel 52.The shape of the inner panel 52 towards 3 side of pitman is mutually fitted with 3 outer wall of pitman
Match, when compact heap 5 to be pressed on pitman 3, two inner panels 52 are first to inwardly receipts are extended out again, in order to effectively stick on connection
On stick 3, the gap 54 provides deformation space with interior receipts for extending out for inner panel 52.When pitman 3 is swung with respect to second base 2
When, compact heap 5 is motionless relative to pitman 3, and compact heap 5 is rotated centered on small oral area 212 with the swing of pitman 3.
Embodiment two:
In conjunction with Fig. 7-Fig. 9, second of structure of the utility model is that one end of the pitman 3 is rotatably threaded through
On one pedestal 1, the other end is rotatably threaded through in second base 2, i.e., first base 1 and second base 2 rotatably with
Pitman 3 cooperates.It is identical as the principle of the first above-mentioned structure that structure is embodied, it may be assumed that U-lag 4 and institute in second base 2
It states elongated slot 21 to be connected, the identical compact heap 5 of structure, institute is respectively equipped in the first base 1 and the U-lag 4 of second base 2
The bottom surface for stating compact heap 5 is equipped with retention bead 51, and the both ends of the pitman 3 have annular groove 31, the pitman 3
One end penetrate first base 1 U-lag 4 slot bottom, the other end by elongated slot 21 penetrate second base 2 U-lag 4 slot
Bottom, the retention bead 51 on the compact heap 5 are matched with the annular groove 31 on pitman 3.I.e. when in use, pitman 3
Both ends be inserted into first base 1 and second base 2 respectively, by two U-lags 4 it can be seen that the annular groove 31, by two
When a compact heap 5 is respectively put into U-lag 4, it is recessed that the retention bead 51 on two compact heaps 5 has respectively entered an annular
Limited in slot 31, pitman 3 can with respect to two pedestals be freely rotated, to realize first base 1 and second base 2
It relatively rotates.The position between two pedestals in the present embodiment is also to be limited by retention bead 51 and annular groove 31,
According to the difference of distance between two annular grooves 31, the product of multiple models can also be produced.Pitman 3 in the present embodiment
It is the same as example 1 with the swing fit structure of second base 2.
As shown in Figure 10 and Figure 11, in the two side walls of the U-lag 4 of first base 1 described in the utility model and/or
Fracture 41 is provided in the two side walls of the U-lag 4 of two pedestals 2.Fracture 41, which can according to need, to fracture, and then meets
The operation of different situations needs.A kind of specific structure is as shown in Figure 10, and wherein the height of first base 1 is greater than second base 2
Highly, fracture 41 is opened up in 4 two side walls of U-lag of first base 1；Do not fracture the fracture 41 when, in first base 1
U-lag 4 setting range of the nail stick in U-lag 4 can be improved；The fracture 41 that fractures can then allow first base 1 and
The height of two pedestals 2 is identical.Another specific structure is as shown in figure 11, and wherein first base 1 and 2 height of second base are identical,
And it is identical as such as Figure 10 to open up fracture 41, structural principle and application method in the two side walls of U-lag 4 respectively.
In conjunction with Fig. 1, Figure 12 and Figure 13, a kind of bone screws with the inner fixing device are also disclosed in the utility model, the
One pedestal 1 and/or second base 2 are equipped with shank of screw 6.It can be equipped with a spiral shell respectively in first base 1 and second base 2
Nail rod 6 is also possible to one of first base 1 and second base 2 setting shank of screw 6.
In conjunction with Figure 12 and such as Figure 13, a kind of specific structure of this bone screws is: the first base 1 is in the U-lag 4
Slot bottom is provided with the through-hole 11 being connected to bottom surface, is arranged ball-and-socket in through-hole 11, and one end of shank of screw 6 is arranged bulb 61, shank of screw 6 from
U-lag 4 penetrates the through-hole 11, is installed in place when bulb 61 is worked good with ball-and-socket, and pressure head 8 is then put into U-lag 4, institute
Stating pressure head 8 also is inverted U-shaped, and there are two compressed part, compressed part can be pressed against the position that bulb is limited on bulb 61 for its underpart
It sets, i.e. first base 1 and the universal cooperation of shank of screw 6.
Another specific structure of this bone screws is: the bottom of the first base 1 and/or second base 2 is provided with screw thread
Hole, the shank of screw 6 are threadedly engaged with threaded hole, i.e., relatively fixed cooperation.In addition, shank of screw 6 can be welded on first base 1
And/or in second base 2.
Figure 14 and Figure 15 is respectively two kinds of bone screws structural schematic diagrams for having fracture 41.
As shown in figure 16, schematic diagram is used for the utility model inner fixing device, in conjunction with Fig. 1-Fig. 7, Figure 16, the first bottom
Be separately installed with nail stick 7 on seat 1 and second base 2, two nail sticks 7 also simultaneously with the cooperation of other bone screws, first base 1 and the
Two pedestals 2 do not have connection relationship with vertebra 10, are in vacant state, because first base 1 and second base 2 are opposite can to turn
Dynamic and opposite swing, therefore two nail stick 7 guiding can be realized in the case where not bending nail stick 7, play transition guiding work
With.
In spinal surgery, for the position of bone screws can be implanted into, then using the utility model with described interior
The bone screws of fixed device, as shown in figure 17, wherein second base 2 is equipped with screw 6, in conjunction with Fig. 1-Fig. 7, Figure 12, Figure 17, the
Shank of screw 6 on two pedestals 2 screws in vertebra 10, realizes whole positioning, is separately installed with nail in first base 1 and second base 2
Stick 7, two nail sticks 7 also cooperate with other bone screws simultaneously, and the bone screws of the utility model are while realizing positioning, to two
The nail stick 7 plays transition guiding role.
In conclusion a kind of adjustable double flute internal fixation device of spine and bone screws of the utility model, are able to solve
The problem that stick curved rod is excessive, operation is time-consuming and laborious is followed closely, procedure efficiency can be effectively improved.So the utility model effectively overcomes
Some practical problems in the prior art are to have very high utility value and use meaning.
Above embodiment is only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.The utility model can be improved there are many more aspect under the premise of without prejudice to overall thought, for being familiar with this technology
Personage can all be carried out modifications and changes to above-described embodiment under the spirit and scope without prejudice to the utility model.Therefore,
Such as those of ordinary skill in the art is in spirit revealed without departing from the utility model and institute under technical idea
All equivalent modifications or change completed, should be covered by the claim of the utility model.
Claims (9)
1. a kind of adjustable double flute internal fixation device of spine, it is characterised in that: including first base (1), second base (2) and connect
It takes over the baton (3), first base (1) and second base (2) have U-lag (4) from the top down, and the inner wall of the U-lag (4) is set
There is internal screw thread, the pitman (3) is horizontally disposed, and the second base (2) is provided with elongated slot (21), institute in the horizontal direction
The one end for stating pitman (3) is threaded through on first base (1), and the other end is threaded through in the elongated slot (21) of second base (2), described
Pitman (3) can be swung in the elongated slot (21), and the first base (1) and second base (2) can be in pitman (3)
Upper relative rotation.
2. a kind of adjustable double flute internal fixation device of spine according to claim 1, it is characterised in that: the pitman
(3) one end fixation is threaded through on first base (1), and the other end is rotary to be threaded through on second base (2).
3. a kind of adjustable double flute internal fixation device of spine according to claim 2, it is characterised in that: second base (2)
On U-lag (4) be connected with the elongated slot (21), in the U-lag (4) of the second base (2) be equipped with compact heap (5), institute
The bottom surface for stating compact heap (5) is equipped with retention bead (51), is provided with annular groove (31), the pitman on the pitman (3)
(3) slot bottom of the U-lag (4), retention bead (51) and the connection on the compact heap (5) are penetrated by elongated slot (21)
Annular groove (31) on stick (3) matches.
4. a kind of adjustable double flute internal fixation device of spine according to claim 1, it is characterised in that: the pitman
(3) one end is rotatably threaded through on first base (1), and the other end is rotatably threaded through on second base (2).
5. a kind of adjustable double flute internal fixation device of spine according to claim 4, it is characterised in that: second base (2)
On U-lag (4) be connected with the elongated slot (21), in the U-lag (4) of the first base (1) and second base (2) respectively
Equipped with the identical compact heap of structure (5), the bottom surface of the compact heap (5) is equipped with retention bead (51), and the two of the pitman (3)
End has annular groove (31), and one end of the pitman (3) penetrates the slot bottom of the U-lag (4) of first base (1), separately
One end penetrates the slot bottom of the U-lag (4) of second base (2), the retention bead (51) on the compact heap (5) by elongated slot (21)
It is matched with the annular groove (31) on pitman (3).
6. a kind of adjustable double flute internal fixation device of spine according to claim 1, it is characterised in that: the first base
(1) fracture is provided in the two side walls of U-lag (4) and/or in the two side walls of the U-lag (4) of second base (2)
(41)。
7. a kind of bone screws, it is characterised in that: have inner fixing device described in claim 1, first base (1) and/or the
Two pedestals (2) are equipped with shank of screw (6).
8. bone screws according to claim 7, it is characterised in that: the first base (1) and/or second base (2) are opened
There is ball-and-socket, one end of the shank of screw (6) is equipped with bulb, and the bulb is matched with ball-and-socket.
9. bone screws according to claim 7, it is characterised in that: the first base (1) and/or second base (2) are opened
There is threaded hole, the shank of screw (6) is threadedly engaged with threaded hole.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721255595.0U CN208625834U (en) | 2017-09-27 | 2017-09-27 | A kind of adjustable double flute internal fixation device of spine and bone screws |
| PCT/CN2018/082550 WO2019062070A1 (en) | 2017-09-27 | 2018-04-10 | Adjustable double-slot spinal internal fixing device and bone screw |
| EP18849453.8A EP3689279B1 (en) | 2017-09-27 | 2018-04-10 | Adjustable double-slot spinal internal fixing device and bone screw |
| JP2019526609A JP6795225B2 (en) | 2017-09-27 | 2018-04-10 | Adjustable bi-groove internal fixation device and bone screw |
| AU2018330957A AU2018330957B9 (en) | 2017-09-27 | 2018-04-10 | Adjustable double-slot internal spinal fixation apparatus and bone screw |
| KR1020207010680A KR102365489B1 (en) | 2017-09-27 | 2018-04-10 | Adjustable Dual Slot Spinal Internal Fixture and Bone Screw |
| US16/482,712 US11684393B2 (en) | 2017-09-27 | 2018-04-10 | Adjustable double-slot internal spinal fixation apparatus and bone screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721255595.0U CN208625834U (en) | 2017-09-27 | 2017-09-27 | A kind of adjustable double flute internal fixation device of spine and bone screws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208625834U true CN208625834U (en) | 2019-03-22 |
Family
ID=65731200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721255595.0U Withdrawn - After Issue CN208625834U (en) | 2017-09-27 | 2017-09-27 | A kind of adjustable double flute internal fixation device of spine and bone screws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208625834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109549696A (en) * | 2017-09-27 | 2019-04-02 | 上海三友医疗器械股份有限公司 | A kind of adjustable double flute internal fixation device of spine and bone screws |
| CN112472268A (en) * | 2020-11-26 | 2021-03-12 | 吕思磊 | Positioner for orthopedic surgery |
-
2017
- 2017-09-27 CN CN201721255595.0U patent/CN208625834U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109549696A (en) * | 2017-09-27 | 2019-04-02 | 上海三友医疗器械股份有限公司 | A kind of adjustable double flute internal fixation device of spine and bone screws |
| CN109549696B (en) * | 2017-09-27 | 2024-03-22 | 上海三友医疗器械股份有限公司 | Adjustable double-groove spine internal fixation device and bone screw |
| CN112472268A (en) * | 2020-11-26 | 2021-03-12 | 吕思磊 | Positioner for orthopedic surgery |
| CN112472268B (en) * | 2020-11-26 | 2021-08-24 | 李大为 | Positioner for orthopedic surgery |
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