CN206587030U - A kind of Kirschner wire bending device - Google Patents
A kind of Kirschner wire bending device Download PDFInfo
- Publication number
- CN206587030U CN206587030U CN201621368532.1U CN201621368532U CN206587030U CN 206587030 U CN206587030 U CN 206587030U CN 201621368532 U CN201621368532 U CN 201621368532U CN 206587030 U CN206587030 U CN 206587030U
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- CN
- China
- Prior art keywords
- bending
- kirschner wire
- kelly
- cradling piece
- undercarriage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005452 bending Methods 0.000 title claims abstract description 80
- 238000003466 welding Methods 0.000 claims 1
- 238000001356 surgical procedure Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of Kirschner wire bending device, including cradling piece, action bars and kelly, the cradling piece front end is welded with socket bar, socket bar one end is welded with driving rod set, action bars is inside driving rod set, kelly is connected with socket bar, support rod rear end is provided with up knob, cradling piece side is provided with chute, cradling piece is arranged right below undercarriage, one end of the undercarriage is connected with cradling piece, other end is connected with up knob, lower handle is provided between the up knob and undercarriage, described lower handle one end is provided with rack, other end is provided with sliding block, the rack lower end and sliding block lower end are designed with hangers, the hangers is connected by spring with undercarriage, described action bars one end is provided with gear, and the wheel and rack engagement, the other end of the action bars is provided with bending head, the kelly front end is provided with neck, the kelly is provided with threaded rod, nut is screwed with threaded rod, realize bending operation of the Kirschner wire in surgical procedure.
Description
Technical field
The utility model belongs to technical field of medical instruments, specifically, and the utility model is related to a kind of Kirschner wire bending
Device.
Background technology
Fracture operation treatment in, often application Kirschner wire fixation fracture site, bone reset splice, then with gram
The fixation of family name's pin needs, by Kirschner wire backshank bending, to prevent Kirschner wire from shifting after terminating.Traditional method is two people's synergetic approaches, and a people uses
Nipper plier is clamped, and another carries out bending, and two people must exert oneself simultaneously, and power thrusts are on the contrary, formation couple, just can smoothly roll over
Curved Kirschner wire backshank.Sometimes repeatedly progress is needed, Kirschner wire metal fatigue and displacement fracture is easily caused, surgical effect is influenceed and exists
Hidden danger.Particularly the fracture of periarticular, more needs accurate, stable reset and fixation, therefore Kirschner wire bending is particularly important.Together
When other bending machine volumes it is larger, it is difficult to insert operation near Minor articulus, influence uses scope.
The content of the invention
The utility model provides a kind of Kirschner wire bending device, it is therefore an objective to realize bending behaviour of the Kirschner wire in surgical procedure
Make.
To achieve these goals, the technical scheme that the utility model is taken is：A kind of Kirschner wire bending device, including support
Bar, action bars and kelly, the cradling piece front end, which is welded with socket bar, and socket bar, is provided with internal thread, the socket bar one
End is welded with driving rod set, and the action bars is inside driving rod set, and the kelly is connected with socket bar, after the cradling piece
End is provided with up knob, and the cradling piece side is provided with chute, and the cradling piece is arranged right below undercarriage, one end of the undercarriage with
Cradling piece is connected, and other end is connected with up knob.
It is preferred that, lower handle is provided between the up knob and undercarriage, described lower handle one end is provided with rack, other end
Provided with sliding block, the rack lower end and sliding block lower end are designed with hangers, and the hangers is connected by spring with undercarriage.
It is preferred that, described action bars one end is provided with gear, and the wheel and rack is engaged, and other the one of the action bars
End is provided with bending head.
It is preferred that, it is respectively equipped with the first bending hole, the second bending hole and the 3rd bending hole in bending head, and described the
The diameter dimension in one bending hole is 2mm, and the diameter dimension in the second bending hole is 1mm, and the diameter dimension in the 3rd bending hole is
0.5mm。
It is preferred that, the kelly front end is provided with neck, and the kelly is provided with threaded rod, and the threaded rod passes through sleeve
Internal thread in bar is connected with socket bar, is screwed with nut on threaded rod in addition.
The utility model is the bending operation for realizing Kirschner wire in surgical procedure, using having for above technical scheme
Beneficial effect is：The Kirschner wire bending device holds up knob by one hand, and then four fingers go to pinch lower handle, pass through lower handle one end
Rack goes down to drive the gear of operation boom end in the constraint of chute, realizes the rotation of action bars, bending head is rolled over Kirschner wire
Curved, one-handed performance is convenient, and bending degree can voluntarily be held according to operative site by doctor；The rack lower end and sliding block lower end
Hangers is designed with, the hangers is connected by spring with undercarriage, it is ensured that the reset of lower handle；It is respectively equipped with the bending head
First bending hole, the second bending hole and the 3rd bending hole, and the diameter dimension in the first bending hole is 2mm, the second bending hole
Diameter dimension be 1mm, the diameter dimension in the 3rd bending hole is 0.5mm, it is possible to achieve the bending to the Kirschner wire of different-diameter
Operation, applied to different surgical applications；The kelly front end is provided with neck, and the kelly is provided with threaded rod, and the spiral shell
Rasp bar is connected by internal thread with socket bar, is screwed with nut on threaded rod in addition, and kelly passes through threaded rod and socket bar spiral
Pair connection, realizes the regulation of kelly and the distance between action bars, and the rigidity for tackling the Kirschner wire of different-diameter is different, selection
Different bending distances, convenient operation, bending is easy.
Brief description of the drawings
Fig. 1 is the Kirschner wire bending device top view；
Fig. 2 is the Kirschner wire bending device left view；
Fig. 3 operation lever structure schematic diagrames；
Wherein：
1st, cradling piece；2nd, action bars；3rd, kelly；4th, undercarriage；5th, lower handle；5-1, rack；5-2, sliding block；5-3, hangers；
10th, socket bar；11st, rod set is driven；12nd, up knob；13rd, chute；20th, gear；21st, bending head；21-1, the first bending hole；21-
2nd, the second bending hole；21-3, the 3rd bending hole；30th, neck；31st, threaded rod；32nd, nut.
Embodiment
Below against accompanying drawing, by the description to embodiment, further detailed is made to embodiment of the present utility model
Thin explanation, it is therefore an objective to help those skilled in the art have to design of the present utility model, technical scheme it is more complete, accurate and
Deep understanding, and contribute to it to implement.
As shown in Figure 1 to Figure 3, the utility model is a kind of Kirschner wire bending device, is for realizing that Kirschner wire was being performed the operation
Bending operation in journey.
Specifically, as shown in Figure 1 to Figure 3, including cradling piece 1, action bars 2 and kelly 3, the front end of cradling piece 1 weldering
It is connected in socket bar 10, and socket bar 10 and is provided with internal thread, described one end of socket bar 10 is welded with driving rod set 11, the operation
Bar 2 is inside driving rod set 11, and the kelly 3 is connected with socket bar 10, and the rear end of cradling piece 1 is provided with up knob 12, institute
The side of cradling piece 1 is stated provided with chute 13, the cradling piece 1 is arranged right below undercarriage 4, and one end and the cradling piece 1 of the undercarriage 4 connect
Connect, other end is connected with up knob 12.Lower handle 5, described lower one end of handle 5 are provided between the up knob 12 and undercarriage 4
Provided with rack 5-1, other end is provided with sliding block 5-2, and the rack 5-1 lower ends and sliding block 5-2 lower ends are designed with hangers 5-3, institute
Hangers 5-3 is stated to be connected with undercarriage 4 by spring.As shown in Figure 1, Figure 3, described one end of action bars 2 is provided with gear 20, and the tooth
Wheel 20 is engaged with rack 5-1, and the other end of the action bars 2 is provided with bending first 21.
As shown in figure 3, being respectively equipped with the first bending hole 21-1, the second bending hole 21-2 and the 3rd folding in the bending first 21
Curved hole 21-3, and the diameter dimension of the first bending hole 21-1 is 2mm, the second bending hole 21-2 diameter dimension is 1mm, the
Three bending hole 21-3 diameter dimension is 0.5mm.
The front end of kelly 3 is provided with neck 30, and the kelly 3 is provided with threaded rod 31, and the threaded rod 31 passes through set
Internal thread in cylinder bar 10 is connected with socket bar 10, is screwed with nut 32 on threaded rod 31 in addition.
Specific works mode is illustrated with specific embodiment below：
The Kirschner wire bending device is in use, first according to the diameter of the Kirschner wire operated, due to the kirschner of different-diameter
The rigidity of pin is different, and nut 32 is unscrewed, the distance between regulation kelly 3 and action bars 2, twists nut 32 after distance is set up
Tightly, then the backshank of Kirschner wire is passed through from the neck 30 on kelly 3, selected further according to the diameter of Kirschner wire through bending head
The first bending hole 21-1 or the second bending hole 21-2 or the 3rd bending hole 21-3 on 21, then four singlehanded fingers of operator go to pinch
Lower handle 5, because the one end of lower handle 5 is provided with rack 5-1, rack 5-1 drives the end of action bars 2 under the constraint of chute 13
Gear 20 is moved, and gear 20 drives action bars 2 to rotate, and is rotated the bending first 21 of the end of action bars 2, is realized and roll over Kirschner wire
Curved operation, one-handed performance is convenient, and bending degree can voluntarily be held according to operative site by doctor.
The rack 5-1 lower ends and sliding block 5-2 lower ends are designed with hangers 5-3, the hangers 5-3 and pass through spring and undercarriage 4
Connection, it is ensured that the reset of lower handle 5；The first bending hole 21-1, the second bending hole 21-2 are respectively equipped with the bending first 21
Diameter dimension with the 3rd bending hole 21-3, and the first bending hole 21-1 is 2mm, the second bending hole 21-2 diameter dimension
For 1mm, the 3rd bending hole 21-3 diameter dimension is 0.5mm, it is possible to achieve, should to the bending operation of the Kirschner wire of different-diameter
For different surgical applications；The front end of kelly 3 is provided with neck 30, and the kelly 3 is provided with threaded rod 31, and the screw thread
Bar 31 is connected by the internal thread in socket bar 10 with socket bar 10, is screwed with nut 32 on threaded rod 31 in addition, and kelly 3 passes through
Threaded rod 31 is connected with the screw pair of socket bar 10, realizes the regulation of kelly 3 and the distance between action bars 2, and reply is different straight
The rigidity of the Kirschner wire in footpath is different, selects different bending distances, and convenient operation, bending is easy.
The utility model is exemplarily described above in association with accompanying drawing, it is clear that the utility model is implemented not
Limited by aforesaid way, as long as employ the various unsubstantialities that method design of the present utility model and technical scheme are carried out
Improvement；Or it is not improved, above-mentioned design of the present utility model and technical scheme are directly applied into other occasions, at this
Within the protection domain of utility model.
Claims (5)
1. a kind of Kirschner wire bending device, it is characterised in that：Including cradling piece, action bars and kelly, the cradling piece front end welding
Have and internal thread is provided with socket bar, and socket bar, described socket bar one end is welded with driving rod set, and the action bars is located at driving
Inside rod set, the kelly is connected with socket bar, and the support rod rear end is provided with up knob, and the cradling piece side is provided with cunning
Groove, the cradling piece is arranged right below undercarriage, and one end of the undercarriage is connected with cradling piece, and other end is connected with up knob.
2. a kind of Kirschner wire bending device according to claim 1, it is characterised in that：It is provided between the up knob and undercarriage
Lower handle, described lower handle one end is provided with rack, and other end is provided with sliding block, and the rack lower end and sliding block lower end are designed with hanging
Ear, the hangers is connected by spring with undercarriage.
3. a kind of Kirschner wire bending device according to any one of claim 1 or 2, it is characterised in that：The action bars one
End is provided with gear, and the wheel and rack is engaged, and the other end of the action bars is provided with bending head.
4. a kind of Kirschner wire bending device according to claim 3, it is characterised in that：First is respectively equipped with the bending head
Bending hole, the second bending hole and the 3rd bending hole, and the first bending hole diameter dimension be 2mm, the second bending hole it is straight
Footpath size is 1mm, and the diameter dimension in the 3rd bending hole is 0.5mm.
5. a kind of Kirschner wire bending device according to claim 1, it is characterised in that：The kelly front end is provided with neck, institute
State kelly to be connected with socket bar by the internal thread in socket bar provided with threaded rod, and the threaded rod, in addition in threaded rod
On be screwed with nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621368532.1U CN206587030U (en) | 2016-12-14 | 2016-12-14 | A kind of Kirschner wire bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621368532.1U CN206587030U (en) | 2016-12-14 | 2016-12-14 | A kind of Kirschner wire bending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206587030U true CN206587030U (en) | 2017-10-27 |
Family
ID=60131154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621368532.1U Expired - Fee Related CN206587030U (en) | 2016-12-14 | 2016-12-14 | A kind of Kirschner wire bending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206587030U (en) |
-
2016
- 2016-12-14 CN CN201621368532.1U patent/CN206587030U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180329 Address after: 130000 Changchun Qianjin Street, Jilin, No. 2699 Patentee after: Jilin University Address before: 130000 Changchun Changchun City, Jilin Province, Chaoyang District Qianjin Street Red Apple home Committee Patentee before: Chen Bingpeng |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20181214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |