CN209645166U - A kind of tractor and traction control apparatus - Google Patents
A kind of tractor and traction control apparatus Download PDFInfo
- Publication number
- CN209645166U CN209645166U CN201821254467.9U CN201821254467U CN209645166U CN 209645166 U CN209645166 U CN 209645166U CN 201821254467 U CN201821254467 U CN 201821254467U CN 209645166 U CN209645166 U CN 209645166U
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- shell
- draw bar
- tractor
- threaded rod
- traction
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Abstract
The utility model embodiment is related to a kind of tractor and traction control apparatus, is related to the field of medical instrument technology.The tractor includes shell, magnetic strength actuator and movable draw bar, the magnetic strength actuator is set in the shell, one end of the shell is provided with fixed traction bar, the shell is internally provided with the first fixed part, the tapped through hole internal screw thread being arranged on first fixed part is connected with threaded rod, the other end of the shell is provided with movable span, the activity draw bar is movably disposed in the movable span of the shell, one end of the threaded rod is connect with the magnetic strength actuator, the other end of the threaded rod is resisted against one end of the movable draw bar, the other end of the activity draw bar extends to the outside of the shell.The tractor of the utility model embodiment has the advantages that structure is simple, facilitates large-scale production and easy to operate.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of tractor and traction control apparatus.
Background technique
Sutura distraction osteogenesis is succeeding in developing and grow up with sutura tractor.It takes the lead in American-European countries
It succeeds in developing, and is succeeded in clinical application, sutura distraction osteogenesis is finally made worldwide to quickly form heat
Point, within the short several years, the sutura tractor for being suitable for different traction purposes and mode of traction constantly comes out.
On the market, various types of sutura tractors, structure design is different, specification is different, its purposes also each not phase
Together, but it was found that existing sutura tractor exists, structure is complicated in actual clinical application, cumbersome, concurrently
The disadvantages of disease is more, influences beauty, in addition, existing sutura tractor there is also risks of recurrence big, the problem more than uncontrollable factor,
Therefore, it is badly in need of a new sutura tractor.
Utility model content
The utility model embodiment is designed to provide a kind of tractor and traction control apparatus, existing to solve
Sutura tractor has that structure is complicated, cumbersome and therapeutic effect is poor.
To achieve the above object, the utility model embodiment provides a kind of tractor, and the tractor includes shell, magnetic strength
Actuator and movable draw bar, the magnetic strength actuator are set in the shell, and one end of the shell is provided with fixation and leads
Draw bar, the shell is internally provided with the first fixed part, the tapped through hole internal screw thread connection being arranged on first fixed part
There is threaded rod, the other end of the shell is provided with movable span, and the activity draw bar is movably disposed in the shell
In movable span, one end of the threaded rod is connect with the magnetic strength actuator, and the other end of the threaded rod is resisted against the work
The other end of one end of dynamic draw bar, the activity draw bar extends to the outside of the shell.
Preferably, axis, the axis of threaded rod and the axis of fixed traction bar of the movable draw bar are with always
Line.
Preferably, the end of the threaded rod other end extends radially outwardly to form circular first contact portion.
Preferably, the end of described movable draw bar one end extends radially outwardly to form circular second contact portion.
Preferably, the movable draw bar is square pole, and accordingly, the movable span of the shell is square hole.
Preferably, the inside of the shell is additionally provided with the second fixed part, in the movable span of the second fixed part setting
It is equipped with balancing pole, one end of the balancing pole is connect with the magnetic strength actuator.
Preferably, connecting hole is respectively arranged on the movable draw bar and the fixed traction bar.
Correspondingly, the utility model embodiment also provides a kind of traction control apparatus, and the traction control apparatus includes
Controller housing, control circuit board and first coil, the bottom of the controller housing are recessed inwardly to form inner fovea part, the control
Wiring board processed and the first coil are all set in the controller shell body, and the first coil is surrounded on the inner fovea part
Periphery, the control circuit board is electrically connected by conducting wire with the first coil, is provided on the controller housing multiple
Control button, each control button are electrically connected by conducting wire with the control circuit board.
Preferably, operating handle is additionally provided on the controller housing.
The utility model embodiment has the advantages that
1, the retractor structures of the utility model embodiment are simple, facilitate large-scale production.
2, the tractor of the utility model embodiment is completely built-in, and avoiding external tractor from being pierced by skin causes to influence beauty
And increase the possibility of infection risk.
3, the tractor operation difficulty of the utility model embodiment is small, can set traction plan, and quantization tractive force adjustment is big
The small and period, to avoid parent and doctor's operation error and influence therapeutic effect.
4, the tractor of the utility model embodiment use titanium plate screw system and the strong fixation of two broken ends of fractured bone of sutura, avoid because
Tractor caused by being not fixed firmly fractures and dystopy.
5, the tractor therapeutic process of the utility model embodiment only needs two operations, that is, is placed in and takes out tractor, keep away
Exempt from traditional treatment mode and needs Repeated Operation disadvantage.
6, the tractor of the utility model embodiment can once place 2-3 tractor when in use, according to infant skull shape
State, cephalic index etc. targetedly adjust separately direction and the strength of each tractor tractive force, avoid traditional operation because preoperative
The possibility that design deviation causes traction to fail.
7, the tractor of the utility model embodiment can finely tune tractive force every time, adapt to difficulty to reduce infant；It avoids passing
System operation changes drawing strength difficulty, adjusts the excessive possibility for increasing infants' pain of tractive force numerical value every time.
8, the tractor of the utility model embodiment is due to using threaded rod rotation push activity draw bar to stretch out shell
Mode, when threaded rod stops operating, threaded rod can withstand movable draw bar, prevent movable draw bar from retracting in shell, influence
Traction effect.
Detailed description of the invention
Fig. 1 is the side elevational cross-section structural schematic diagram of tractor in the utility model embodiment 1.
Fig. 2 is the side elevational cross-section structural schematic diagram of tractor in the utility model embodiment 2.
Fig. 3 is the side elevational cross-section structural schematic diagram of tractor in the utility model embodiment 3.
Fig. 4 is the schematic diagram of the section structure of the utility model embodiment traction control apparatus.
Fig. 5 uses schematic diagram for the utility model embodiment tractor.
As figure grade illustrates: 1, shell；2, magnetic strength actuator；3, movable draw bar；4, fixed traction bar；5, first is fixed
Portion；6, threaded rod；7, the second fixed part；8, balancing pole；61, the first contact portion；31, the second contact portion；11, connecting hole；9, it controls
Device shell processed；10, control circuit board；12, first coil；13, control button；14, titanium plate.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, tractor 100 includes shell 1, magnetic strength actuator 2 and movable draw bar 3, shell 1 in the present embodiment
It is internally provided with cavity, magnetic strength actuator 2 is set in shell 1, and magnetic strength actuator 2 is magnet or coil, and preference is coil.
One end of shell 1 is provided with fixed traction bar 4, and fixed traction bar 4 is connect with titanium plate 14 when use, the other end setting of shell 1
There is movable span.Shell 1 is internally provided with the first fixed part 5, and the first fixed part 5 is connect with the inner wall of shell 1, it is preferred that the
One fixed part 5 is integrally formed with shell 1, and tapped through hole, axis and the shell 1 of tapped through hole are provided on the first fixed part 5
Axis is same straight line, and threaded rod 6, the screw thread and tapped through hole spiral shell that threaded rod 6 passes through its outer peripheral surface are provided in tapped through hole
Line connection.Movable draw bar 3 is movably disposed in the movable span of shell 1, and the aperture of 1 movable span of shell is led slightly larger than activity
Draw the aperture of bar 3, it is ensured that movable draw bar 3 can move axially in movable span.One end of threaded rod 6 and magnetic strength actuator 2 connect
It connects, the other end of threaded rod 6 is resisted against one end of movable draw bar 3, and the other end of movable draw bar 3 extends to the outer of shell 1
Portion, when magnetic strength actuator 2 rotates forward, magnetic strength actuator 2 drives threaded rod 6 to rotate, and threaded rod 6 with tapped through hole by matching
Close, make threaded rod 6 while axial rotation occurs, threaded rod 6 can the axis promotion activity draw bar 3 of threadingly through-hole move
It is dynamic, stretch out movable draw bar 3 from shell 1, to realize that the overall length of tractor 100 is elongated.
Further, the axis of the axis of movable draw bar 3, the axis of threaded rod 6 and fixed traction bar 4 is same
Straight line, by the way that threaded rod 6 and fixed traction bar 4 are set on same straight line, so that it is guaranteed that when threaded rod 6 rotates, it is more stable
Ground promotion activity draw bar 3 is stretched out from shell 1.
Embodiment 2
As shown in Fig. 2, the present embodiment is based on embodiment 1, the present embodiment difference from example 1 is that, spiral shell
The end of 6 other end of rasp bar extends radially outwardly to form circular first contact portion 61, and the end of movable 3 one end of draw bar is radial
Extend outward to form circular second contact portion 31.By the first contact portion 61 of setting and the second contact portion 31, screw thread is increased
The contact surface of bar 6 and movable draw bar 3, so that movable draw bar 3 be pushed to stretch out from shell 1 more stablely.
Further, the movable draw bar 3 in the present embodiment is square pole, and accordingly, the movable span of shell 1 is rectangular
Hole.When movable draw bar 3 is stretched out from shell 1, by the cooperation of the movable span and square hole of shell 1, it can prevent activity from leading
Draw bar 3 and axial rotation occurs, movable draw bar 3 can only smoothly be stretched out from shell 1.
Embodiment 3
As shown in figure 3, the present embodiment is based on embodiment 2, the present embodiment and embodiment 2 the difference is that, shell
The inside of body 1 is additionally provided with the second fixed part 7, is equipped with balancing pole 8 in the movable span of the second fixed part 7 setting, balancing pole 8
One end is connect with magnetic strength actuator 2.Both ends accept more balanced, rotation when magnetic strength actuator 2 can be made to rotate by the way that balancing pole 8 is arranged
It is more stable.
Further, the other end of movable draw bar 3 is respectively arranged with company far from one end of shell 1 with fixed traction bar 4
Connecing hole 11, setting connecting hole 11 can facilitate the installation of tractor 100, and when installation need to only squeeze into titanium nail in each connecting hole 11,
Titanium plate 14 and movable draw bar 3, fixed traction bar 4 can be linked together, greatly shorten the set-up time of tractor 100,
Improve working efficiency.
As shown in figure 4, the utility model embodiment also provides a kind of traction control apparatus 200, traction control apparatus 200 is wrapped
Controller housing 9, control circuit board 10 and first coil 12 are included, the bottom of controller housing 9 is recessed inwardly to form inner fovea part, control
Wiring board 10 processed and first coil 12 are all set in controller housing 9, and first coil 12 is surrounded on the periphery of inner fovea part, control
Wiring board 10 processed is electrically connected by conducting wire with first coil 12, and control circuit board 10 is used to convert the alternating current of input to low pressure and hand over
Galvanic electricity or low-voltage DC, then export to first coil 12, the type that control circuit board 10 exports electric current is driven with specific reference to magnetic strength
The type of moving part 2 determines, when the electric current that first coil 12 changes, according to electric magnetisation principle we it can be seen that, first coil
12 surroundings can generate changing magnetic field.Multiple control buttons 13 are provided on controller housing 9, each control button 13 is by leading
Line is electrically connected with control circuit board 10.Control button 13 includes power switch button and elongation control button, but is not limited
In both buttons.Operating handle is additionally provided on further controller housing 9, operating handle can facilitate doctor to operate traction
Control device 200.
Application method:
Before use, as shown in figure 5, close sutura cranii both sides in the morning being cut fixes one piece of titanium plate 14 respectively.In use, sharp
It is followed closely with titanium and connect movable draw bar 3 and fixed traction bar 4 with titanium plate 14 respectively, traction control apparatus 200 is fixed on patient
Calvarium, it is ensured that tractor 100 is in inner fovea part, after powering to traction control apparatus 200, extends control button by pressing,
The electric current of input is converted low-voltage AC by control circuit board 10, then exports to first coil 12, and 12 surrounding of first coil produces
Raw changing magnetic field, the magnetic field generated by first coil 12 and magnetic strength actuator 2 interact, and magnetic strength actuator 2 occurs just
To rotation, threaded rod 6 is driven to rotate, 6 promotion activity draw bar 3 of threaded rod is stretched out from shell 1, to realize tractor 100
Overall length it is elongated, at this point, tractor 100 plays the role of dilator.100 structure of tractor of the utility model embodiment
Simply, facilitate large-scale production；The tractor 100 of the utility model embodiment is easy to operate, what doctor can assist in no medical assistant
In the case of individually operated sutura tractor 100；The tractor 100 of the utility model embodiment is due to using the rotation of threaded rod 6 to push away
The mode for sending movable draw bar 3 to stretch out shell 1, when threaded rod 6 stops operating, threaded rod 6 can withstand movable draw bar 3, prevent
Only movable draw bar 3 retracts in shell 1, influences traction effect.
Although being above described in detail with generality explanation and specific embodiment to the utility model,
On the basis of the utility model, it can be modified or is improved, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (9)
1. a kind of tractor, the tractor includes shell, magnetic strength actuator and movable draw bar, the magnetic strength actuator setting
In in the shell, which is characterized in that one end of the shell is provided with fixed traction bar, and the shell is internally provided with
One fixed part, the tapped through hole internal screw thread being arranged on first fixed part are connected with threaded rod, and the other end of the shell is set
Be equipped with movable span, the activity draw bar is movably disposed in the movable span of the shell, one end of the threaded rod with
The magnetic strength actuator connection, the other end of the threaded rod are resisted against one end of the movable draw bar, the activity traction
The other end of bar extends to the outside of the shell.
2. tractor according to claim 1, which is characterized in that the activity axis of draw bar, threaded rod axis,
And the axis of fixed traction bar is same straight line.
3. tractor according to claim 2, which is characterized in that the end of the threaded rod other end extends radially outwardly
Form circular first contact portion.
4. tractor according to claim 3, which is characterized in that radially outward prolong the end of described activity draw bar one end
It stretches to form circular second contact portion.
5. tractor according to claim 4, which is characterized in that the activity draw bar is square pole, accordingly, described
The movable span of shell is square hole.
6. tractor according to claim 5, which is characterized in that the inside of the shell is additionally provided with the second fixed part,
Balancing pole is equipped in the movable span of the second fixed part setting, one end of the balancing pole and the magnetic strength actuator connect
It connects.
7. tractor according to claim 6, which is characterized in that divide on the activity draw bar and the fixed traction bar
Connecting hole is not provided with it.
8. a kind of traction control apparatus, which is characterized in that the traction control apparatus include controller housing, control circuit board and
First coil, the bottom of the controller housing are recessed inwardly to form inner fovea part, the control circuit board and the first coil
It is all set in the controller shell body, and the first coil is surrounded on the periphery of the inner fovea part, the control circuit board
It is electrically connected by conducting wire with the first coil, multiple control buttons, each control is provided on the controller housing
Button is electrically connected by conducting wire with the control circuit board.
9. traction control apparatus according to claim 8, which is characterized in that be additionally provided with operation on the controller housing
Handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821254467.9U CN209645166U (en) | 2018-08-03 | 2018-08-03 | A kind of tractor and traction control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821254467.9U CN209645166U (en) | 2018-08-03 | 2018-08-03 | A kind of tractor and traction control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209645166U true CN209645166U (en) | 2019-11-19 |
Family
ID=68505743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821254467.9U Active CN209645166U (en) | 2018-08-03 | 2018-08-03 | A kind of tractor and traction control apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209645166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108992229A (en) * | 2018-08-03 | 2018-12-14 | 刘炳阳 | A kind of tractor and traction control apparatus |
-
2018
- 2018-08-03 CN CN201821254467.9U patent/CN209645166U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108992229A (en) * | 2018-08-03 | 2018-12-14 | 刘炳阳 | A kind of tractor and traction control apparatus |
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