CN106236216B - Reconstruction plate bends pincers - Google Patents
Reconstruction plate bends pincers Download PDFInfo
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- CN106236216B CN106236216B CN201610172163.7A CN201610172163A CN106236216B CN 106236216 B CN106236216 B CN 106236216B CN 201610172163 A CN201610172163 A CN 201610172163A CN 106236216 B CN106236216 B CN 106236216B
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- pincers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The present invention discloses reconstruction plate and bends pincers, including left pincers foot and right clamp foot, it further include a left side, right idler wheel, it is left, right roller shaft, positioning sleeve and positioning plate, locating shaft and limited block are set on the positioning plate, roll left wheel bore and centrally-located hole is arranged in the left pincers foot, right idler wheel hole and centrally-located hole is arranged in the right clamp foot, the left side, right roller housing is on the left side, on right roller shaft, and the left side, right roller shaft and the left side, right idler wheel hole connection, the limited block is set to a left side, right idler wheel hole centre position, the locating shaft passes through a left side, the centrally-located hole of right clamp foot is simultaneously connected in positioning sleeve, the positioning sleeve includes apex angle and base portion, the apex angle is at fixed angle, and the apex angle is located exactly at below limited block.The present invention is bent by clamping the idler wheel of foot upper end with roll mode completion reconstruction plate, make molding titanium plate angle it is more gentle and reduce bend during to the mechanical damage of titanium plate, positioning sleeve apex angle is at fixed angle so that titanium plate can disposably bend required angle.
Description
Technical field
The invention belongs to medical instruments, more particularly, are related to oral and maxillofacial surgery and repair to bend mandible reconstruction in reconstructive surgery
Transplanting bone fixation titanium plate bends pincers.
Background technology
During mandible reconstruction, need to bend mandibular fibula reconstruction plate.It is existing several to bend mandibular fibula
The instrument of reconstruction plate has the limitation of itself.
The multi-functional bent plate pincers (50-502-10-07) of KLS Martin：The bent plate tonger has 3D bendings, 90 ° of bendings, titanium plates
The multiple functions such as shearing, but bent plate pincers are cumbersome, complicated, to the more demanding of clinical manipulation experience, are unfavorable for beginner
It grasps.
Synthes reconstruction plates bend pincers (329.143)：Bent plate pincers are bent by being bent in plane, outside plane and processus coracoideus
Completion is bent to the moulding of reconstruction plate, this method is most commonly used reconstruction plate shaping method in current clinic, this method operation
Complexity is unfavorable for that the moulding of reconstruction titanium plate is rapidly completed.In addition, the service life of reconstruction plate can be made to bending repeatedly for reconstruction plate
It substantially reduces.
In addition, the mandible reconstruction plate bent using above equipment can not be fitted closely with transplanting fibula, it is understood that there may be titanium
The risk of the displacement of transplanting bone block or titanium plate deformation after nail is fixed.
Invention content
First of the present invention is designed to provide that a kind of that the reconstruction plate that mandibular fibula reconstruction plate is bent is rapidly completed is curved
System pincers.
In order to achieve the above object, the present invention discloses following technical scheme：Reconstruction plate bends pincers, including left pincers foot and right pincers
Foot, which is characterized in that further include left and right idler wheel, left and right roller shaft, positioning sleeve and positioning plate, positioning is set on the positioning plate
Roll left wheel bore and centrally-located hole is arranged in axis and limited block, the left pincers foot, and it is fixed that right idler wheel hole and center is arranged in the right clamp foot
Position hole, the left and right roller housing is on the left and right roller shaft, and the left and right roller shaft and the left and right idler wheel hole
Connection, the limited block are set to left and right idler wheel hole centre position, and the locating shaft passes through the centrally-located hole of left and right pincers foot
And connected in positioning sleeve, the positioning sleeve includes apex angle and base portion, and the apex angle is at fixed angle, and the apex angle is located exactly at
Below limited block.
As a preferred embodiment, the fixed angle of the positioning sleeve apex angle is 135 °.
As a preferred embodiment, two sides of the positioning sleeve apex angle extend outwardly.The side of extension is bent for holding
Titanium plate, prevent titanium plate from bending and excessively turning occur.
As a preferred embodiment, a protrusion is arranged in the positioning sleeve vertex.
As a preferred embodiment, left and right positioning pin is set, the left pincers foot rolls left wheel bore on the positioning plate
One section of left groove is set between the location hole of centre, it is recessed that one section of right side is set between the right idler wheel hole of the right clamp foot and centrally-located hole
Slot, the left and right positioning pin are each passed through left and right groove.
As a preferred embodiment, the stage casing protrusion of the left and right pincers foot.
As a preferred embodiment, designed for wave at the clamp handle of the left and right pincers foot.
The advantage of the invention is that：The present invention is bent by clamping the idler wheel of foot upper end with roll mode completion reconstruction plate, is made
Molding titanium plate angle it is more gentle and reduce bend during to the mechanical damage of titanium plate, positioning sleeve apex angle is at fixed angles
Degree so that titanium plate can disposably bend required angle, and the groove of pincers foot upper end is designed limits its movement by positioning pin,
It prevents from excessively bending titanium plate.It is repeatedly curved to solve reconstruction plate bending for mandibular fibula reconstruction plate is rapidly completed by the present invention
The problem of system, service life substantially reduce, while associated operating steps in mandible reconstruction are greatly simplified, accurately restore mandibular
Shape, and convenient for numerous doctors grasp, the complicated mandible reconstruction technology of completion.The equipment is used in combination to related mating instrument,
So that transplanting bone block between and the combination between bone graft and titanium plate be more bonded closely, be conducive to knitting, also avoid using
The unstability of position between bone graft and titanium plate caused by traditional equipment.
Description of the drawings
Fig. 1 is left pincers foot schematic diagram.
Fig. 2 is positioning sleeve schematic diagram.
Fig. 3 is that reconstruction plate bends pincers exploded sketch.
Fig. 4 bends pincers for reconstruction plate and bends titanium plate original state.
Fig. 5 bends pincers for reconstruction plate and bends titanium plate operation schematic diagram.
Shown in figure label：
1 --- left pincers foot, 11 --- roll left wheel bore, and 12 --- centrally-located hole, 13 --- left groove, 2 --- right clamp foot,
21 --- right idler wheel hole, 3 --- left wheel, 4 --- right idler wheel, 5 --- roll left wheel shaft, and 6 --- right roller shaft, 7 --- positioning
Set, 71 --- protrusion, 72 --- apex angle, 73 --- base portion, 8 --- positioning plate, 81 --- locating shaft, 82 --- limited block,
83 --- left positioning pin, 9 --- screw.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.Experimental method used in following embodiments for example without
Specified otherwise is conventional method.The materials, reagents and the like used in the following examples unless otherwise specified can be from business way
Diameter obtains.It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
1.135 ° of reconstruction plates of embodiment bend pincers
Pass through the morphological analysis to normal adult mandibular in early-stage study, it is determined that the moulding ginseng of mandibular horizontal part
Number, according to this design produce the general moulding plate of fibula, and it is quickly moulding to realize " four-part form " mandibular for four-part form mandibular profiled sheeting
Concept.
The theoretical foundation of the present invention：
One, mandibular is made of vertical component effect and horizontal part, and mandibular horizontal part is made of mandibular body portion and chin portion, research
Report that its trim line is the moulding difficult point of mandible reconstruction bone graft similar to parabolic structure.Clinical practice finds mandibular water
Linear structure is almost presented in flat portion after mandibular first premolar, and the lower jaw chin portion curvature between mental foramen is larger, and
It is that most, therefore mandibular first premolar point (Men) and pogonion be as the shape inflection point of mandibular horizontal part with pogonion (Pg),
Can mandibular horizontal part be further reduced to four symmetrical linear structures：Go-Men,Men-Pg,Pg-Men’,Men’-
Go ', this is also the moulding basis of mandibular horizontal part " four-part form ".Research finds the significant difference of different sexes Mandibular Morphology
Essentially consist in the length (p of its structure<0.05), non-structural curvature (p>0.05).
Two, standard deviation and the coefficient of variation are the common counters of the individual dispersion degree of statistics reflection, and the coefficient of variation is mainly answered
For the comparison between measurement unit data with different.It studies and the three-dimensional measurement of 55 normal adult mandibulars is found, although lower jaw
The gender differences of bone linear variable are notable, but the mean value and standard deviation of different sexes lower jaw chin length (Men-Pg) are all minimum,
Illustrate that the individual difference of lower jaw chin length is least apparent with respect to other linear variables.And in the angle variables of mandibular (body angle, chin
Angle) analysis in find its coefficient of variation generally be less than linear variable, this equally also illustrate mandibular angle variables individual
Difference is small, is shown in Table 1,2.
Table 1：The definition and expression of the outer deformation quantity of mandibular (linear/angle)
Table 2：The measured value and gender differences of the outer deformation quantity of mandibular (linear/angle)
See ginseng Fig. 3, it includes left pincers foot 1 and right clamp foot 2, left wheel 3, right idler wheel 4 that reconstruction plate, which bends pincers, and roll left wheel shaft 5,
Right roller shaft 6, positioning sleeve 7 and positioning plate 8, setting locating shaft 81 and limited block 82 on positioning plate 8, the left setting of pincers foot 1 left wheel
Hole 11 and centrally-located hole 12, right idler wheel hole 21 is arranged in the right clamp foot and centrally-located hole, the left and right idler wheel 3,4 are sleeved on
On the left and right roller shaft 5,6, and the left and right roller shaft 5,6 is connect with the left and right idler wheel hole 11,21, the limit
Position block 82 is set to left and right idler wheel hole 11,21 centre positions, and the locating shaft 81 passes through the centrally-located hole 12 of left and right pincers foot
And connected in positioning sleeve 7, the positioning sleeve 7 includes apex angle 72 and base portion 73, and the apex angle 72 is at fixed angle, and the apex angle
72 are located exactly at below limited block.
81 one end of locating shaft is that the round other end is rectangular, and round nose passes through 7 sets of centrally-located hole 12, square end and positioning
Connection, 7 internal diameter of positioning sleeve are and the 81 matched square cavity of square end size of locating shaft so that locating shaft 81 and positioning sleeve 7 one
Denier is fixed, and relative position is fixed.Positioning plate 8 fixes left and right pincers foot by locating shaft 81, positioning sleeve 7 and screw 9, limit
Position block 82 and positioning sleeve apex angle tip protrusion 71 to fixed reconstruction plate, prevent during the bending process reconstruction plate be displaced.
Fig. 4 bends pincers for reconstruction plate and bends titanium plate original state, and Fig. 5 bends pincers for reconstruction plate and bends titanium plate operation signal
Figure.In use, gap of the titanium plate across limited block and positioning sleeve, the idler wheel of pincers foot upper end completes reconstruction plate with roll mode
It bends, positioning sleeve apex angle is at fixed angle, and apex angle is located exactly at below limited block, and titanium plate is pressed into fitting and positioning sleeve table
Face so that compacting angle is consistent with the angle of positioning sleeve apex angle.Selective positioning covers the angle of apex angle, such as 135 °, so that it may with fast
Titanium plate is pressed into required angle by speed, and molding titanium plate angle it is more gentle and reduce bend during to the machine of titanium plate
Tool damages.
As a preferred embodiment, the positioning sleeve apex angle 72 is at 135 °.The present invention is based on to normal Adults of Han Nationality group
The measurement of mandibular, it has been found that mandibular angle variables individual difference is small, and close to 135 °, is mating mandible reconstruction calf
The moulding plate of bone, four-part form mandibular profiled sheeting develop 135 ° of reconstruction plates and bend pincers, are rebuild mandibular fibula is rapidly completed
Plate is bent, and solves the problems, such as that reconstruction plate is bent repeatedly, service life substantially reduces, while greatly simplifying phase in mandible reconstruction
Operating procedure is closed, it is accurate to restore mandibular shape, and be convenient for numerous doctors to grasp, complete complicated mandible reconstruction technology.
Fig. 2 is positioning sleeve schematic diagram, and as a preferred embodiment, two sides of the positioning sleeve apex angle 72 extend outwardly
(diagram is not drawn into).The side of extension prevents titanium plate from bending and excessively turning occurs for holding the titanium plate bent.The positioning sleeve top
One protrusion 71 is set at angle 72.Protrusion can be with the matching grooves among titanium plate so that titanium plate is preferably fixed.The equipment to it is related
Mating instrument is used in combination so that between transplanting bone block and the combination between bone graft and titanium plate is more bonded closely, is conducive to
Knitting also avoids the unstability using position between the bone graft caused by traditional equipment and titanium plate.
As a preferred embodiment, left and right positioning pin, the wheel bore 11 that rolls left of the left pincers foot 1 are set on the positioning plate 8
One section of left groove 13 is set between centrally-located hole 12, is arranged one between the right idler wheel hole of the right clamp foot and centrally-located hole
Section right groove, the left and right positioning pin are each passed through left and right groove.Positioning pin passes through the movement angle of groove limitation pincers foot, makes
Obtain after titanium plate bends required angle to move again, prevent titanium plate from bending and excessively turning occur.
As a preferred embodiment, it is described it is left and right pincers foot stage casing protrusion, it is described it is left and right pincers foot clamp handle at be wave
Design.Palm maintenance when bent plate is convenient in foot stage casing prominence is clamped, design for wave at clamp handle, increase rubs, is anti-skidding.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (5)
1. reconstruction plate bends pincers, including left pincers foot and right clamp foot, which is characterized in that further include left and right idler wheel, left and right roller shaft,
Positioning sleeve and positioning plate, setting locating shaft and limited block on the positioning plate, wheel bore is rolled left in the left pincers foot setting and center is determined
Right idler wheel hole and centrally-located hole is arranged in position hole, the right clamp foot, the left and right roller housing on the left and right roller shaft, and
And the left and right roller shaft is connect with the left and right idler wheel hole, the limited block is set to left and right idler wheel hole centre position, institute
It states locating shaft to pass through the centrally-located hole of left and right pincers foot and connect with positioning sleeve, the positioning sleeve includes apex angle and base portion, described
Apex angle extends outwardly at fixed angle, two sides of the apex angle, and a protrusion, and the lucky position of the apex angle is arranged in the vertex
Below limited block.
2. reconstruction plate according to claim 1 bends pincers, which is characterized in that the fixed angle of the positioning sleeve apex angle is
135°。
3. reconstruction plate according to claim 1 bends pincers, which is characterized in that left and right positioning pin is set on the positioning plate,
One section of left groove, the right idler wheel hole of the right clamp foot and center is arranged in left the rolling left for pincers foot between wheel bore and centrally-located hole
One section of right groove is set between location hole, and the left and right positioning pin is each passed through left and right groove.
4. reconstruction plate according to claim 1 bends pincers, which is characterized in that the stage casing protrusion of the left and right pincers foot.
5. reconstruction plate according to claim 1 bends pincers, which is characterized in that be wave at the clamp handle of the left and right pincers foot
Design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172163.7A CN106236216B (en) | 2016-03-24 | 2016-03-24 | Reconstruction plate bends pincers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172163.7A CN106236216B (en) | 2016-03-24 | 2016-03-24 | Reconstruction plate bends pincers |
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| Publication Number | Publication Date |
|---|---|
| CN106236216A CN106236216A (en) | 2016-12-21 |
| CN106236216B true CN106236216B (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610172163.7A Active CN106236216B (en) | 2016-03-24 | 2016-03-24 | Reconstruction plate bends pincers |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955911B (en) * | 2017-04-18 | 2018-04-03 | 青岛大学附属医院 | A kind of cardiothoracic surgery reconstruction plate bending method |
| CN106821486B (en) * | 2017-04-18 | 2018-01-19 | 孙俊魁 | A kind of cardiothoracic surgery reconstruction plate bending device |
| IT201800005694A1 (en) * | 2018-05-25 | 2019-11-25 | BENDING PLIERS FOR BENDING OBLONG ELEMENTS |
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| CN2855344Y (en) * | 2005-12-15 | 2007-01-10 | 北京有色金属研究总院 | Whole tools for chondrosternoplasty |
| CN202604977U (en) * | 2012-05-11 | 2012-12-19 | 常州康鼎医疗器械有限公司 | Rod bending pliers |
| CN202665661U (en) * | 2012-05-31 | 2013-01-16 | 常州永华医疗器械有限公司 | Adjustable stick bender |
| CN203290996U (en) * | 2013-06-13 | 2013-11-20 | 常州康鼎医疗器械有限公司 | Bar bending device |
| CN204744388U (en) * | 2015-06-24 | 2015-11-11 | 新华手术器械有限公司 | Ke shi needle pincers of bending |
| CN204765890U (en) * | 2015-07-03 | 2015-11-18 | 重庆医科大学附属永川医院 | Curved excellent ware with adjustable |
| CN205569041U (en) * | 2016-03-24 | 2016-09-14 | 上海景堂医疗器械有限公司 | Rebuild curved system pincers of board |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8770006B2 (en) * | 2010-08-26 | 2014-07-08 | Globus Medical, Inc. | Compound hinged rod bender |
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2016
- 2016-03-24 CN CN201610172163.7A patent/CN106236216B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2855344Y (en) * | 2005-12-15 | 2007-01-10 | 北京有色金属研究总院 | Whole tools for chondrosternoplasty |
| CN202604977U (en) * | 2012-05-11 | 2012-12-19 | 常州康鼎医疗器械有限公司 | Rod bending pliers |
| CN202665661U (en) * | 2012-05-31 | 2013-01-16 | 常州永华医疗器械有限公司 | Adjustable stick bender |
| CN203290996U (en) * | 2013-06-13 | 2013-11-20 | 常州康鼎医疗器械有限公司 | Bar bending device |
| CN204744388U (en) * | 2015-06-24 | 2015-11-11 | 新华手术器械有限公司 | Ke shi needle pincers of bending |
| CN204765890U (en) * | 2015-07-03 | 2015-11-18 | 重庆医科大学附属永川医院 | Curved excellent ware with adjustable |
| CN205569041U (en) * | 2016-03-24 | 2016-09-14 | 上海景堂医疗器械有限公司 | Rebuild curved system pincers of board |
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| Publication number | Publication date |
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| CN106236216A (en) | 2016-12-21 |
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Inventor after: Zhang Chenping Inventor after: Liu Jiannan Inventor after: Xu Fuming Inventor before: Xu Liqun Inventor before: Zhang Chenping Inventor before: Liu Jiannan Inventor before: Xu Fuming Inventor before: Ma Jizhuang |
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