CN206355130U - A kind of orthopaedics nail extractor - Google Patents
A kind of orthopaedics nail extractor Download PDFInfo
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- CN206355130U CN206355130U CN201621069443.7U CN201621069443U CN206355130U CN 206355130 U CN206355130 U CN 206355130U CN 201621069443 U CN201621069443 U CN 201621069443U CN 206355130 U CN206355130 U CN 206355130U
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- handgrip
- nail extractor
- frame
- motor
- orthopaedics
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Abstract
The utility model is related to technical field of medical instruments, more particularly, to a kind of orthopaedics nail extractor.The orthopaedics is included with nail extractor：Frame, it is fixed on the motor of the machine frame inside, the driver bit being connected with the motor output shaft, the first handgrip and the second handgrip being respectively fixedly connected with the side of frame two, first handgrip and the second handgrip lower end inside face are arranged in parallel, and first handgrip and second handgrip are connected by the first spring, second spring with two ends of shaking hands respectively.By using orthopaedics nail extractor described in the utility model, effectively accurately screw can be positioned and clamped, prevent the sideslip of driver bit during the turn of the screw, meanwhile, driver bit is driven by motor, improves the automaticity of product, shorten operating time, improve procedure efficiency.
Description
Technical field
The utility model is related to technical field of medical instruments, more particularly, to a kind of orthopaedics nail extractor.
Background technology
Screw internal fixation is one of chief surgical means of current treatment fracture.This internal fixation is in clinical orthopaedicses hand
Art is widely used, and has the advantages that fixation, easy to operate, promotion union are good.
Usually require to take out interior fixed after union.The soft tissue and poroma around screw are clearly separated first
Open, then be embedded in traditional screwdriver in the groove on screw cap, firmly pushed against, slowly screw is rotated and taken out.But this
There are problems in surgical procedure in technology：
1st, the soft tissue and poroma around screw screw wrap up groove on tension, screw cap would generally by soft tissue and
Poroma is filled, and is difficult identification；
2nd, after the groove on traditional screwdriver insertion screw cap, abjection is easy to when screwing out screw, clamping is difficult；
3rd, screw is exited in the whole bit rotary screwdriver that not only to exert oneself of patient during nail that moves back, but also by screwdriver
Screw is acted perpendicularly to, screwdriver is prolonged vertical direction and exerts oneself, it is relatively elaborate；
4th, require that the operating technology of operator is more skilled, otherwise operating time can be caused to extend, amount of bleeding increases, even
Firmly cause very much second fracture, nut fractures equivalent risk greatly.
Utility model content
For above problems of the prior art, the utility model provides a kind of orthopaedics nail extractor, to solve
The positioning of screwdriver present in prior art is difficult, is difficult to recognize screw position, the technical problem such as takes time and effort.
The utility model provides a kind of orthopaedics nail extractor, including：Frame, is fixed on the electricity of the machine frame inside
Machine, the driver bit being connected with the motor output shaft, the first handgrip being respectively fixedly connected with the side of frame two and
Two handgrips, first handgrip and the second handgrip lower end inside face are arranged in parallel, first handgrip and described
Two handgrips are connected by the first spring, second spring with two ends of shaking hands respectively.
Optionally, orthopaedics nail extractor as described above, wherein first handgrip and the second handgrip profile size
It is completely the same.
Optionally, orthopaedics nail extractor as described above, wherein also including decelerator, the driver bit is subtracted by described
Fast device is connected with the motor output shaft.
Optionally, orthopaedics nail extractor as described above, wherein also including Anti-slip cover, the Anti-slip cover is located at the frame
Upper one end corresponding with the mounting position of motor.
Optionally, orthopaedics nail extractor as described above, wherein the motor for also including being used to control the motor to open is opened
Close, the motor switch is located at the side of the frame.
Optionally, orthopaedics nail extractor as described above, wherein first handgrip is hinged and institute with second handgrip
State in frame.
Optionally, orthopaedics nail extractor as described above, wherein first handgrip and the second handgrip lower end inside
Face is the grid surface set with bumps.
From such scheme, a kind of orthopaedics nail extractor that the utility model is provided, by setting the in frame both sides
One handgrip and the second handgrip, coordinate driver bit to be used in conjunction with, effectively accurately screw can be positioned and clamped, prevented
The sideslip of driver bit during the turn of the screw, meanwhile, driver bit is driven by motor, improves the automaticity of product,
Shorten operating time, improve procedure efficiency.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.In all of the figs, it is similar
Element or part are general by similar reference mark.In accompanying drawing, each element or part might not be according to actual ratios
Draw.
The structural representation for the orthopaedics nail extractor that Fig. 1 provides for the embodiment of the utility model one.
Each mark is expressed as follows in accompanying drawing：
10：Frame；
20：Motor；
30：Decelerator；
40：Driver bit；
51：First handgrip, 52：Second handgrip；
61：First spring, 62：Second spring；
70：Shake hands；
80：Anti-slip cover；
90：Motor switch.
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this reality
The ordinary meaning understood with new one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of description the utility model and simplifies description, rather than indicate or imply the device or member of meaning
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property or the implicit quantity for indicating indicated technical characteristic.In description of the present utility model, " multiple " are meant that two
More than, unless otherwise specifically defined.
In this application, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands concrete meaning of the above-mentioned term in the utility model.
In this application, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
The structural representation for the orthopaedics nail extractor that Fig. 1 provides for the embodiment of the utility model one.As shown in figure 1, described
Orthopaedics is included with nail extractor：Frame 10, the motor 20 being fixed on inside the frame 10 is connected with the output shaft of motor 20
Driver bit 40, the first handgrip 51 and the second handgrip 52 being respectively fixedly connected with described 10 liang of sides of frame, described first grabs
Hand 51 and the lower end inside face of second handgrip 52 are arranged in parallel, and first handgrip 51 and second handgrip 52 are distinguished
It is connected by the first spring 61, second spring 62 with 70 two ends of shaking hands, first handgrip 51, second handgrip 52 and institute
Driver bit 40 is stated to cooperate for taking out screw.
When carrying out screw taking-up with nail extractor using orthopaedics described in the utility model, first with the first handgrip 51 and
Screw head is fixed two handgrips 52.It is lifted up shake hands 70, shake hands 70 the first springs of pulling 61 and second spring 62, bullet
Spring deformation pulls the first handgrip 51 and the second handgrip 52 to open.The subtended angle of first handgrip 51 and the second handgrip 52 is in the same size, will
After first handgrip 51 and the second handgrip 52 are placed on the outside of screw head, release shakes hands 70.First handgrip 51 and the second handgrip 52
Recover reset condition, so as to be firmly grasped to screw, and keep centering.Now, move left and right driver bit 40 and just can treat and pull out
Go out screw to be accurately positioned.The motor switch 90 of the side of frame 10 is opened, the rotation of motor 20 drives driver bit 40 to rotate, so that complete
Into nail pulling process.
By setting the first handgrip 51 and the second handgrip 52 in the both sides of frame 10, driver bit 40 is coordinated to be used in conjunction with, energy
It is enough that effectively accurately screw is positioned and clamped, the sideslip of driver bit 40 during the turn of the screw is prevented, meanwhile, screwdriver
First 40 are driven by motor 20, improve the automaticity of product, shorten operating time, improve procedure efficiency.
Optionally, first handgrip 51 and the profile size of the second handgrip 52 are completely the same.
Two completely the same handgrips of profile size firmly keep centering during ensureing to capture screw.
Optionally, the orthopaedics also includes decelerator 30 with nail extractor, and the driver bit 40 passes through the decelerator 30
It is connected with the output shaft of motor 20.
The output speed of general motor is too high, and the rotating speed of motor is reduced using decelerator.Meanwhile, can be according to actual need
Will, the rotating speed of driver bit is adjusted using decelerator.
Optionally, orthopaedics with nail extractor also include Anti-slip cover 80, the Anti-slip cover 80 be located at the frame 10 on it is described
The corresponding one end of the installation site of motor 20.
In screw withdrawal process is carried out, the position of Anti-slip cover 80 is held, skidding between hand and nail extractor is reduced
Produce.
Optionally, orthopaedics nail extractor also includes motor switch 90, and the motor switch 90 is located at the frame 10
Side, the unlatching for controlling the motor 20.
Optionally, first handgrip 51 and second handgrip 52 be hinged with the frame 10.
By way of being hinged, it is possible to achieve during camber of spring, the first handgrip 51 and the second handgrip 52 can open and receive
Contracting.
Optionally, first handgrip 51 and the lower end inside face of second handgrip 52 are the grid set with bumps
Face.
There is concavo-convex setting grid surface by being set in the first handgrip 51 and the lower end Nei Che faces of the second handgrip 52, can increase
First handgrip 51 and the second handgrip 52 and the frictional force of screw head side.Be conducive to the extraction of screw, prevent skidding
Produce.
In specification of the present utility model, numerous specific details are set forth.It is to be appreciated, however, that reality of the present utility model
Applying example can put into practice in the case of these no details.In some instances, known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this description.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered
Row is combined and combined.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (7)
1. a kind of orthopaedics nail extractor, it is characterised in that including：Frame, is fixed on the motor of the machine frame inside, with the electricity
The connected driver bit of machine output shaft, the first handgrip and the second handgrip being respectively fixedly connected with the side of frame two is described
First handgrip and the second handgrip lower end inside face are arranged in parallel, and first handgrip and second handgrip lead to respectively
The first spring, second spring is crossed with two ends of shaking hands to be connected.
2. orthopaedics nail extractor according to claim 1, it is characterised in that outside first handgrip and second handgrip
Shape size is completely the same.
3. orthopaedics nail extractor according to claim 1, it is characterised in that also including decelerator, the driver bit leads to
The decelerator is crossed with the motor output shaft to be connected.
4. orthopaedics nail extractor according to claim 1, it is characterised in that also including Anti-slip cover, the Anti-slip cover is located at
One end corresponding with the mounting position of motor in the frame.
5. orthopaedics nail extractor according to claim 1, it is characterised in that also including for controlling the motor unlatching
Motor switch, the motor switch is located at the side of the frame.
6. orthopaedics nail extractor according to claim 1, it is characterised in that first handgrip is cut with scissors with second handgrip
Connect with the frame.
7. orthopaedics nail extractor according to claim 1, it is characterised in that under first handgrip and second handgrip
It is the grid surface set with bumps to hold medial surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069443.7U CN206355130U (en) | 2016-09-21 | 2016-09-21 | A kind of orthopaedics nail extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069443.7U CN206355130U (en) | 2016-09-21 | 2016-09-21 | A kind of orthopaedics nail extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206355130U true CN206355130U (en) | 2017-07-28 |
Family
ID=59368375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621069443.7U Active CN206355130U (en) | 2016-09-21 | 2016-09-21 | A kind of orthopaedics nail extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206355130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215273A (en) * | 2019-06-19 | 2019-09-10 | 莒县人民医院 | A kind of orthopedic nail extractor convenient for removing broken nail |
-
2016
- 2016-09-21 CN CN201621069443.7U patent/CN206355130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215273A (en) * | 2019-06-19 | 2019-09-10 | 莒县人民医院 | A kind of orthopedic nail extractor convenient for removing broken nail |
| CN110215273B (en) * | 2019-06-19 | 2021-09-21 | 莒县人民医院 | Orthopedics nail extractor convenient to get rid of disconnected nail |
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