CN209269855U - The minimally invasive preceding road plate of Thoracolumbar disk - Google Patents
The minimally invasive preceding road plate of Thoracolumbar disk Download PDFInfo
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- CN209269855U CN209269855U CN201820241503.1U CN201820241503U CN209269855U CN 209269855 U CN209269855 U CN 209269855U CN 201820241503 U CN201820241503 U CN 201820241503U CN 209269855 U CN209269855 U CN 209269855U
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- fixing piece
- hole
- minimally invasive
- preceding road
- locking knob
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Abstract
The utility model relates to the field of medical instrument technology, more particularly, to a kind of minimally invasive preceding road plate of Thoracolumbar disk.Include: fixed plate, first through hole and and locking knob are provided in the fixed plate；The first through hole is passed through for fixing piece, and recessed portion is provided on the locking knob, and the recessed portion is adapted with the fixing piece；After the fixing piece is fixed, the locking knob is rotated, contacts the position on the locking knob in addition to the recessed portion with the fixing piece, for locking the fixing piece.The utility model solves the problems, such as that inconvenient, fixed plate is easy to appear loosening and movement in the prior art.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly, to a kind of minimally invasive preceding road plate of Thoracolumbar disk.
Background technique
As industry, the development and the problem of an aging population of traffic, spinal trauma and illness are in trend is risen year by year, especially
Its Thoracolumbar disk injured patient's proportion is higher.The preceding road of early stage is fixed, and that there are biomechanical properties is not good enough, contour structures are complicated
The problems such as difficult with technical operation.The minimally invasive preceding road plate of Thoracolumbar disk used at present generally includes one piece of fixed plate and several
A screw is provided with screw hole in fixed plate, and screw is through in screw hole.In use, after the front end of screw is mutually fixed with backbone,
It is realized and is limited by screw hole in the head of screw.
But the prior art has the following disadvantages that long incision, wound are big in the minimally invasive preceding road plate of Thoracolumbar disk, interferes body
Greatly；Installation is complicated, program is cumbersome, inconvenient for operation；Bore obvious, big, the incisura height that takes up space by the prominent vertebra of the nut head of a nail, to vertebra
Other soft tissue it is wrapped it is poor, irritation is strong；And in use, with human body movement, screw be easy to appear loosening so that fall off,
Occur loosening or be displaced so as to cause fixed plate, causes the damage to patient.
The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of minimally invasive preceding road plates of Thoracolumbar disk, solve and operate in the prior art not
Just, fixed plate is easy to appear the problem of loosening and movement.
The preceding road plate of minimally invasive Thoracolumbar disk provided by the utility model, comprising: it is logical to be provided with first in the fixed plate for fixed plate
Hole and and locking knob；
The first through hole is passed through for fixing piece, is provided with recessed portion on the locking knob, the recessed portion with it is described
Fixing piece is adapted；
After the fixing piece is fixed, the locking knob is rotated, is made on the locking knob in addition to the portion of the recessed portion
Position is contacted with the fixing piece, for locking the fixing piece.
In any of the above-described technical solution, further, the locking knob and the fixed plate are rotatablely connected.
In any of the above-described technical solution, further, the head of the locking knob is in cam-like.
In any of the above-described technical solution, further, the locking knob is internally provided with the second through-hole.
In any of the above-described technical solution, further, the first through hole setting at least four, and the first through hole
Quantity and the quantity of the recessed portion be correspondingly arranged.
In any of the above-described technical solution, further, the head of the fixing piece is provided with for locking the fixation
The locking lines of plate.
In any of the above-described technical solution, further, the fixing piece is set as screw, the top setting of the screw
The mounting groove to skid is prevented when having for locking.
In any of the above-described technical solution, further, the screw is set as centripetal nail.
In any of the above-described technical solution, further, the third through-hole for capturing is provided in the fixed plate.
In any of the above-described technical solution, further, the center of the fixed plate is arranged in the third through-hole.
Compared with the existing technology, the preceding road plate of minimally invasive Thoracolumbar disk provided by the utility model has the advantage that
The preceding road plate of minimally invasive Thoracolumbar disk provided by the utility model, including fixed plate, be provided in fixed plate first through hole and
With locking knob；First through hole is passed through for fixing piece, and recessed portion is provided on locking knob, and recessed portion is adapted with fixing piece；
After fixing piece is fixed, locking knob is rotated, contacts the position on locking knob in addition to recessed portion with fixing piece, it is solid for locking
Determine part.During the minimally invasive Thoracolumbar disk of fixation preceding road plate, fixing piece is screwed in by first through hole, due to setting for recessed portion
It sets, so fixing piece is abutted against with recessed portion after fixing piece passes through first through hole, after fixing piece is fixed, need to only rotate locking
Knob abuts the position on locking knob in addition to recessed portion with fixing piece, and then for the part that is locked；Therefore it solves existing
There is inconvenient, fixed plate in technology to be easy to appear the problem of loosening and movement.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the minimally invasive preceding road plate of Thoracolumbar disk provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the fixed plate of the minimally invasive preceding road plate of Thoracolumbar disk provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the locking knob of the minimally invasive preceding road plate of Thoracolumbar disk provided by the embodiment of the utility model.
Icon:
1- fixed plate；2- fixing piece；3- first through hole；4- locking knob；The second through-hole of 5-；6- mounting groove；7- third is logical
Hole.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment
Fig. 1 is the structural schematic diagram of the minimally invasive preceding road plate of Thoracolumbar disk provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the fixed plate of the minimally invasive preceding road plate of Thoracolumbar disk provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the locking knob of the minimally invasive preceding road plate of Thoracolumbar disk provided by the embodiment of the utility model.
If Fig. 1-3 shows, the minimally invasive preceding road plate of Thoracolumbar disk provided in this embodiment, comprising: fixed plate 1 is set in the fixed plate 1
Be equipped with first through hole 3 and with locking knob 4；The first through hole 3 is passed through for fixing piece 2, is provided on the locking knob 4 recessed
Concave portion, the recessed portion are adapted with the fixing piece 2；After the fixing piece 2 is fixed, the locking knob 4 is rotated, is made described
It is contacted in addition to the position of the recessed portion with the fixing piece 2 on locking knob 4, for locking the fixing piece 2.
Have in design, original minimally invasive preceding road plate of Thoracolumbar disk generally includes one piece of fixed plate 1 and several screws, fixed
Screw hole is provided on plate 1, screw is threaded through in screw hole；After the front end of screw is mutually fixed with backbone, the head of screw passes through
Screw hole realizes limit.But when in use, with the movement of human body, screw is easy to appear loosening or even falls off, so as to cause
Fixed plate 1 occurs loosening or be displaced, and causes the damage to patient.And the preceding road plate of minimally invasive Thoracolumbar disk provided in this embodiment passes through lock
The setting of tight knob 4, during the minimally invasive Thoracolumbar disk of fixation preceding road plate, fixing piece 2 pass through after first through hole 3 fixing piece 2 with
Recessed portion is in contact, and after fixing piece 2 is fixed, only need to rotate locking knob 4, make the position on locking knob 4 in addition to recessed portion
It is abutted with fixing piece 2, and then for the part 2 that is locked, therefore solves inconvenient, fixed plate 1 in the prior art and be easy
Now loosening and mobile problem.
Specifically, being provided with the through-hole for installing the locking knob 4 in the fixed plate 1；And the locking knob 4
Riveting is in the fixed plate 1, for the part 2 that is locked, and locks very quick.
Further, the recessed portion is set as smaller part circular groove, and smaller part circular groove can not only be adapted with fixing piece 2, uses
In mounting fixing parts 2, while guiding role can also be played to fixing piece 2.
It should be noted that the recessed portion can be set to smaller part circular groove, it may be set to be other structures, as long as energy
Enough and fixing piece 2 matches, and is used for mounting fixing parts 2, therefore different one illustrates here.
It should also be noted that, the entire area of bone plate is reduced due to being provided with the recessed portion, using micro-
When the wound preceding road plate of Thoracolumbar disk performs the operation to thoracolumbar fracture, avoids and the soft tissue by Thoracolumbar disk body is interfered, moreover it is possible to
Enough guarantee the blood pressure of the soft tissue by Thoracolumbar disk body.
In the present embodiment optinal plan, the locking knob 4 is rotatablely connected with the fixed plate 1, therefore in rotation lock
It is very convenient when knob 4.
Specifically, the head of the locking knob 4 is in cam-like, it can facilitate and be used cooperatively with the fixing piece 2.
Further, the locking knob 4 is internally provided with the second through-hole 5, and tool can pass through 5 pairs of the second through-hole locks
Tight knob 4 is rotated.
It should be noted that the second through-hole 5 is set as six Fang Tongkong, can prevent from skidding in rotation locking knob 4.
In the present embodiment optinal plan, the first through hole 3 setting at least two, and the quantity of the first through hole 3 with
The quantity of the recessed portion is correspondingly arranged；Wherein first through hole 3 may be configured as threaded hole.
It should be noted that the first through hole 3 is arranged two, two first through hole 3 are located at the fixed plate 1
Two sides, and be correspondingly arranged with the recessed portion on the locking knob 4；
The first through hole 3 is arranged four, and first through hole 3 described in every two is arranged in the side of the fixed plate 1, and with
The recessed portion on the locking knob 4 is correspondingly arranged；
The first through hole 3 is arranged six, and every three first through hole 3 are arranged in the side of the fixed plate 1, and with
The recessed portion on the locking knob 4 is correspondingly arranged；
Wherein, it is optimal case that first through hole 3, which is arranged four,.
Specifically, the head of the fixing piece 2 is provided with the locking lines for locking the fixed plate 1.
Further, the fixing piece 2 is set as screw, and the top of the screw prevents from skidding when being provided with for locking
Mounting groove 6.
It should be noted that the mounting groove 6 is shaped to plum blossom mounting groove, prevent from skidding when for locking.
It should also be noted that, the shape of the mounting groove 6 can be set to plum blossom mounting groove 6, it may be set to be
His shape as long as can prevent skidding when locking, therefore different one illustrates here.
It should also be noted that, the head of the screw is provided with locking screw thread, for the plate 1 that is locked.
Further, the screw is set as centripetal nail, fixed plate 1 can be made to fix more firm.
It should be noted that the nail portion diameter of screw is less than the diameter of screw hole, it is logical that the head diameter of screw is greater than first
The diameter in hole 3, and be furnished with screw thread, after screw and fixed plate 1 are fixed, locking knob 4 can in the turn in fixed plate 1, and
The side for locking rotatable head can be inconsistent with the head of screw.It is loosened after being fixed so as to avoid screw with fixed plate 1
The phenomenon that, it avoids fixed plate 1 and occurs loosening or be displaced, and then avoid and patient is caused to damage.And the minimally invasive Thoracolumbar disk
The preceding hardened structure in road is simple, and clinical manipulation is very easy, can be reduced surgical procedure and time.
In the present embodiment optinal plan, the third through-hole 7 for capturing is provided in the fixed plate 1.
Specifically, the center of the fixed plate 1 is arranged in the third through-hole 7.
Further, the third through-hole 7 is set as capturing hole, can facilitate capturing to the fixed plate 1.
It should be noted that also having the advantages that following have compared with traditional Anterior fixation system: notch is small, by external
The locking guider of 25 centimeter lengths can realize that small notch or notch external plate set nail operation, cater in instantly popular Minimally Invasive Surgery
Operation.Installation is simple, program is simple and direct, easy to operate.Preceding road plate be bonded with centrum side it is even closer compared with nail-stick system, it is prominent by vertebra
It plays only 2 millimeters hardly to interfere soft tissue by vertebra, locking nail hole is without incisura, with titanium plate flush, shape class cucurbit
Shape avoids causing to oppress to nerve root.Locking pegboard systems are furnished with secondary locking apparatus, greatly reduce loosening possibility.
In conjunction with can be seen that the preceding road of minimally invasive Thoracolumbar disk provided in this embodiment to the detailed description of the utility model above
Plate, including fixed plate 1, be provided in fixed plate 1 first through hole 3 and with locking knob 4；First through hole 3 is passed through for fixing piece 2,
Recessed portion is provided on locking knob 4, recessed portion is adapted with fixing piece 2；After fixing piece 2 is fixed, locking knob 4 is rotated, is made
It is contacted in addition to the position of recessed portion with fixing piece 2 on locking knob 4, for the part 2 that is locked.On the preceding road of the minimally invasive Thoracolumbar disk of fixation
During plate, fixing piece 2 is screwed in by first through hole 3, due to the setting of recessed portion, is led to so fixing piece 2 passes through first
Behind hole 3, fixing piece 2 is abutted against with recessed portion, after fixing piece 2 is fixed, only need to be rotated locking knob 4, be made to remove on locking knob 4
The position of recessed portion is abutted with fixing piece 2, and then for the part 2 of being locked；Therefore solve in the prior art it is inconvenient,
Fixed plate 1 is easy to appear the problem of loosening and movement.Simultaneously because being provided with recessed portion, therefore reduce the integral face of bone plate
Product is avoided and is made to the soft tissue by Thoracolumbar disk body when being performed the operation using the preceding road plate of minimally invasive Thoracolumbar disk to thoracolumbar fracture
At interference, additionally it is possible to guarantee the blood pressure of the soft tissue by Thoracolumbar disk body.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this
Within the scope of type and form different embodiments.For example, in claims above, embodiment claimed
It is one of any can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen
Understanding to the general background technology of the utility model, and be not construed as recognizing or implying in any form the information
Constitute the prior art known to those skilled in the art.
Claims (10)
1. a kind of preceding road plate of minimally invasive Thoracolumbar disk characterized by comprising fixed plate is provided with first through hole in the fixed plate
And locking knob；
The first through hole is passed through for fixing piece, and recessed portion, the recessed portion and the fixation are provided on the locking knob
Part is adapted；
After the fixing piece is fixed, rotate the locking knob, make on the locking knob in addition to the position of the recessed portion with
The fixing piece contact, for locking the fixing piece；
The recessed portion is set as smaller part circular groove.
2. the preceding road plate of minimally invasive Thoracolumbar disk according to claim 1, which is characterized in that the locking knob and the fixed plate
Rotation connection.
3. the preceding road plate of minimally invasive Thoracolumbar disk according to claim 1, which is characterized in that the head of the locking knob is in cam
Shape.
4. the preceding road plate of minimally invasive Thoracolumbar disk according to claim 1-3, which is characterized in that the locking knob it is interior
Portion is provided with the second through-hole.
5. the preceding road plate of minimally invasive Thoracolumbar disk according to claim 1, which is characterized in that the first through hole setting at least two
It is a, and the quantity of the first through hole and the quantity of the recessed portion are correspondingly arranged.
6. the preceding road plate of minimally invasive Thoracolumbar disk according to claim 5, which is characterized in that the head setting of the fixing piece is useful
In the locking lines for locking the fixed plate.
7. the preceding road plate of minimally invasive Thoracolumbar disk according to claim 6, which is characterized in that the fixing piece is set as screw, institute
State the mounting groove for preventing skidding when the top of screw is provided with for locking.
8. the preceding road plate of minimally invasive Thoracolumbar disk according to claim 7, which is characterized in that the screw is set as centripetal nail.
9. the preceding road plate of minimally invasive Thoracolumbar disk according to claim 1, which is characterized in that be provided in the fixed plate for holding
The third through-hole taken.
10. the preceding road plate of minimally invasive Thoracolumbar disk according to claim 9, which is characterized in that the third through-hole is arranged described
The center of fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820241503.1U CN209269855U (en) | 2018-02-09 | 2018-02-09 | The minimally invasive preceding road plate of Thoracolumbar disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820241503.1U CN209269855U (en) | 2018-02-09 | 2018-02-09 | The minimally invasive preceding road plate of Thoracolumbar disk |
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| Publication Number | Publication Date |
|---|---|
| CN209269855U true CN209269855U (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820241503.1U Active CN209269855U (en) | 2018-02-09 | 2018-02-09 | The minimally invasive preceding road plate of Thoracolumbar disk |
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| CN (1) | CN209269855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108186100A (en) * | 2018-02-09 | 2018-06-22 | 黄雁鸣 | The minimally invasive preceding road plate of Thoracolumbar disk |
-
2018
- 2018-02-09 CN CN201820241503.1U patent/CN209269855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108186100A (en) * | 2018-02-09 | 2018-06-22 | 黄雁鸣 | The minimally invasive preceding road plate of Thoracolumbar disk |
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