CN206508024U - Fracture of condylar process setting tool - Google Patents
Fracture of condylar process setting tool Download PDFInfo
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- CN206508024U CN206508024U CN201621112267.0U CN201621112267U CN206508024U CN 206508024 U CN206508024 U CN 206508024U CN 201621112267 U CN201621112267 U CN 201621112267U CN 206508024 U CN206508024 U CN 206508024U
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- fracture
- thread segment
- screw
- condylar
- magnesium alloy
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Abstract
The utility model is related to a kind of medicine equipment, specifically a kind of fracture of condylar process setting tool, comprising for the neck for screwing in the thread segment that the bone fragment of condyloid process is fixed on fracture of condylar process section in condyloid process, being connected with thread segment and the cap portion being connected with neck；Wherein, cap portion is used for the disk of temporomandibular joint that anchor stitches fixed fracture, dislocated, and thread segment, neck and cap portion constitute magnesium alloy screw.Compared with the existing technology, the fracture of condylar process broken ends of fractured bone after reset can be brought into close contact by thread segment, disk of temporomandibular joint anchor can be sewn on to the cap portion of screw simultaneously, to realize the reset and anchoring to disk of temporomandibular joint, while the good healing of fracture and remporomandibular joint functional rehabilitation is ensured, due also to screw is to use magnesium alloy material, so that screw gradually can be degraded and absorbed to promote bone tissue regeneration, so as to overcome the complication caused by medical titanium follows closely longer-term persistence in condyloid process, while avoiding second operation from taking out the unnecessary wound caused by titanium nail.
Description
Technical field
The utility model is related to a kind of medicine equipment, more particularly to a kind of fracture of condylar process setting tool.
Background technology
Condyloid process, is the important anatomy structure for realizing mouth jaw function positioned at mandibular bilateral top, is also mandibular dissection
A weak part on.Condyloid process can be conducted masticatory pressure to basis cranii by remporomandibular joint under physiological status,
Lower jaw easily forms stress concentration herein when receiving shock, so as to be easily caused fracture of condylar process, then causes patient's occluding relation wrong
The symptoms such as unrest, limitation of mouth opening, articular disc dislocation, arthrocleisis, have a strong impact on the physiological functions such as chewing, the pronunciation of patient.
Because fracture of condylar process type complexity is various, and the high-order oblique fracture of condyloid process and sagittal fracture are most normal at present
The type seen.Because bone plate inserts difficulty in the high-order oblique fracture of condyloid process and sagittal fracture region, and fixation with steel wire
It is insecure, simultaneously because being often accompanied by the change of the soft tissue structures such as anterior disc displacement of temporomandibular, folding, therefore doctor need to often be used to such fracture
The condyle of jackknifing is dashed forward on replacement and fixation to mandibular section with titanium nail, recovers Ipsilateral condyloid process and the normal morphology of mandibular, makes
Fracture face is not relatively moved, need to also be inserted sometimes in condyloid process a kind of special pure titanium anchor studs so as to will displacement,
The articular disc of folding resets and anchor seam is fixed up, so as to improve the stability and reliability of repair of fractured bones.
Asked however, medical titanium nail Preserving time can have superinfection, metal micro-current, slow displacement etc. in condyloid process
Topic, and secondary operation takes out titanium nail and there is operation wound, takes out difficult equivalent risk, substantially increases operating difficulty.
Utility model content
The purpose of this utility model is to provide a kind of fracture of condylar process setting tool, in the fractures effectively to condyloid process
While position is fixed, the arts such as fracture site superinfection, metal micro-current and the slow displacement of retention pin can be also effectively prevented
Infectious-related complication, and the operation wound that can effectively keep away caused by taking-up screw.
To achieve these goals, the utility model is to provide a kind of fracture of condylar process setting tool, comprising for revolving
Enter the interior thread segment bone fragment of condyloid process being fixed on the fracture face of condyloid process of condyloid process, for reinforcing and anchoring under temporo
The cap portion of jaw articular disc and the connection thread segment and the neck in cap portion；
Wherein, the cap portion is used for the fixed disk of temporomandibular joint of anchor seam, and the thread segment, the neck and the cap portion
Constitute magnesium alloy screw.
The utility model in terms of existing technologies, because whole setting tool is magnesium alloy screw, and be by
Thread segment, neck and cap portion are constituted, so as to after the thread segment of screw is screwing in the fracture site of condyloid process, pass through thread segment
The fracture of condylar process broken ends of fractured bone after reset can be brought into close contact, while the disk of temporomandibular joint anchor for being broken, dislocating can be sewn on into screw
Cap portion on, to realize the reset and anchoring to disk of temporomandibular joint, so as to avoid the implantation of extra anchor studs, ensureing bone
While the good healing of folding and remporomandibular joint functional rehabilitation, due also to whole screw is to use magnesium alloy material so that screw
Gradually it can be also degraded and absorbed while maintenance function is exercised to promote bone tissue regeneration, so that it is long-term to avoid medical titanium nail
Complication caused by remaining in condyloid process, and second operation take out the wound and risk caused by titanium nail.
Further, the thread segment away from the cap portion side be the thread segment end, and the end from
End tail to end top is gradually drawn in, and forms a spike at its end top.Thread segment can be facilitated to revolve by the spike of thread segment end
Enter in condyloid process.
Further, the end of the thread segment is further opened with N number of chip area for being used to collecting and discharging bone bits；Wherein,
The N is natural number, and each chip area extends to the end top of the thread segment end.By the chip removal for being opened in thread segment end
Groove, may be such that the thread segment of screw when screwing in condyloid process, the collection and discharge that bone can be easy to consider to be worth doing, so as to further facilitate
The screw-in of spiral section.
Further, when the N is more than 1, each chip area is equidistant around setting on the end of the thread segment.So as to
So that the thread segment of screw screw in condyloid process in when, can further improve the chip removal performance of thread segment, it is ensured that chip removal it is uniform
Property, it is to avoid there is the excessive phenomenon of local stress when screwing in thread segment.
Further, the external diameter of the neck is consistent with the external diameter of the thread segment, and the neck is that an outer surface is
The cylinder of shiny surface.So that thread segment and cap portion can be separated, kept away after screwing in condyloid process by thread segment by neck
Exempt from cap portion to be urged to condyloid process and cause the fracture of condylar process after resetting is disconnected unnecessary displacement occur.
Further, the cap portion includes the brim of a hat being connected with the neck, is arranged on the brim of a hat for driving institute
State the force-applying member that thread segment is screwed in the condyloid process；Wherein, anchor hole is further opened with the force-applying member to be used for the cap
Portion's anchor is sewn on the disk of temporomandibular joint.Also, the force-applying member is a regular polygon structure.So as to facilitate medical personnel couple
Force-applying member is operated, it is to avoid the generation of skidding, to cause the screw-in of thread segment more easy.
Further, a side end face of the brim of a hat provided with the force-applying member is upper surface, the brim of a hat and the neck
A connected side end face is lower surface；Wherein, the brim of a hat is integrally gradually drawn in from upper surface to lower surface, and the lower surface
Diameter it is identical with the diameter of the neck.So that thread segment is after screwing in condyloid process, due to the diameter of the lower surface of the brim of a hat
Diameter with neck is identical, is directly urged to condyloid process so as to the brim of a hat that further avoids cap portion, and cause after reset
Fracture of condylar process disconnected there is unnecessary displacement.
Further, the length of the thread segment is adapted with the width at the fracture of condylar process position.So as to may be such that
After thread segment is in insertion condyloid process, the bone fragment after reset and the fracture of condylar process broken ends of fractured bone can be carried out effectively to fix.
Further, the magnesium alloy screw surface be also coated with degradable macromolecule coating, degradable ceramic coating and
One or more in degradable composite coating.So that screw in condyloid process while carry load, it is also releasable a kind of
Or it is a variety of with antibacterial, anti-inflammatory, the medicine for promoting osteanagenesis effect, so as to accelerate the healing at fracture of condylar process position.
Further, the fracture of condylar process setting tool includes the magnesium alloy screw described in one or two；Wherein, when
When magnesium alloy screw is two, wherein a magnesium alloy screw and fracture of condylar process cross section perpendicular, and another magnesium alloy screw
It is in an inclination angle therewith；
And when magnesium alloy screw is one, the bone of the screw-in direction of magnesium alloy screw thread section perpendicular to condyloid process
Broken line, or magnesium alloy screw thread section screw-in direction and the fracture line and condyloid process broken ends of fractured bone lateral surface vertical line of condyloid process
Angular bisector is consistent.
Brief description of the drawings
Fig. 1 is the structural representation of the fracture of condylar process setting tool of the utility model first embodiment；
Fig. 2 is the diagrammatic cross-section of the fracture of condylar process setting tool of the utility model first embodiment；
Fig. 3 uses a magnesium alloy screw to condyle for the fracture of condylar process setting tool of the utility model first embodiment
The structural representation that the prominent fracture site of shape is fixed；
Fig. 4 uses two magnesium alloy screws to condyle for the fracture of condylar process setting tool of the utility model first embodiment
The structural representation that the prominent fracture site of shape is fixed.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Each embodiment of type is explained in detail.However, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order that reader more fully understands the application and proposes many ins and outs.But, even if without these skills
Art details and many variations based on following embodiment and modification, can also realize the required guarantor of each claim of the application
The technical scheme of shield.
First embodiment of the present utility model is related to a kind of fracture of condylar process setting tool, fracture of condylar process regular worker
Have for a magnesium alloy screw, as depicted in figs. 1 and 2, the neck 2 and neck 2 being mainly connected by thread segment 1, with thread segment 1
Connected cap portion 3 is constituted.
Wherein, with reference to shown in Fig. 3, thread segment 1 is used to screw in condyloid process 4 is fixed on condyle by the bone fragment 4-1 of condyloid process
On the fracture face 4-2 of shape prominent 4, and in the present embodiment, the thread segment 1 is an a diameter of 1.5mm to 2mm, length
It is 2mm to 2.5mm for the diameter of thread on 6mm to 16mm screw rod, and thread segment 1, pitch is 0.75mm to 1mm.Neck 2 is used
Thread segment 1 and cap portion 3 are separated after being screwed in thread segment in condyloid process 4, it is to avoid cap portion 3 is urged to condyloid process and caused after reset
Fracture of condylar process it is disconnected there is unnecessary displacement, and the neck is an a diameter of 2mm to 2.5mm, length be 0.75mm extremely
6mm cylinder, and the outer surface of the cylinder is shiny surface.And the exposure after thread segment 1 is screwed in condyloid process 4 of cap portion 3
It is used for anchor seam in the outside of condyloid process 4 and is fixed on disk of temporomandibular joint (not indicated in figure).And thread segment 1, neck 2 and cap
Portion 3 is coaxially disposed.
And the magnesium alloy screw in manufacturing process into optional magnesium elements as main alloy material, and other alloys
Material can select one or more elements in neodymium, zinc, zirconium, calcium, yttrium, gadolinium, while the mechanical strength in order to ensure screw, screw
Inside can also be containing the one or more in the elements such as copper, manganese, strontium, iron, tin, aluminium, silver.
By the above it is seen that, by whole screw is made up of thread segment 1, neck 2 and cap portion 3 so that
After the thread segment 1 of screw is screwing in the fracture site of condyloid process 4, the fracture of condylar process after reset can be broken by thread segment 1
End is brought into close contact and (the fracture face 4 of the bone fragment 4-1 of condyloid process and condyloid process 4 firmly fit together), while can
The disk of temporomandibular joint anchor for being broken, dislocating is sewn in the cap portion 3 of screw, to realize to displacement, the disk of temporomandibular joint folded
Reset and anchoring, correct anatomical position effectively is fixed at the fracture of condylar process end after reset, it is born
Certain function of organization power, so as to avoid the implantation of extra anchor studs, is ensureing the good healing of fracture and remporomandibular joint work(
While recovering, due also to whole screw is made of magnesium alloy material so that screw is exercising the same of maintenance function
When can also gradually be degraded and absorbed to promote bone tissue regeneration so that overcome medical titanium nail longer-term persistence made in condyloid process
Into complication, and second operation take out titanium nail caused by unnecessary wound and risk.
Specifically, in the present embodiment, the thread segment 1 of screw is the end 1- of thread segment 1 away from the side in cap portion 3
1, and end 1-1 gradually draws in from end tail to end top, and forms a spike at its end top.So that thread segment 1 is being screwed in
When in condyloid process, certain guide effect can be played to the screw-in of thread segment by thread segment end 1-1 spike, so that convenient
The screw-in of thread segment 1.
Meanwhile, as shown in figure 1, the end of thread segment 1 is further opened with multiple chip area 1- for being used to collecting and discharging bone bits
2, and each chip area 1-2 extends to thread segment end 1-1 end top from thread segment end 1-1 end tail.It follows that logical
The chip area 1-2 for being opened in thread segment end 1-1 is crossed, may be such that the thread segment 1 of screw, when screwing in condyloid process 4, can be easy to
The collection and discharge of bone bits, so as to further facilitate the screw-in of spiral section 1.
Also, in order to further facilitate the screw-in of screw thread section 1, each chip area 1-2 is equidistant on the end of thread segment 1
Around setting.So that the thread segment 1 of screw can further improve the chip resistance of thread segment 1 when screwing in condyloid process 4
Can, it is ensured that the uniformity of chip removal, it is to avoid thread segment 1 the excessive phenomenon of local stress occurs when screwing in.
In addition, the cap portion 3 of the above-mentioned screw being previously mentioned is as depicted in figs. 1 and 2, the main the brim of a hat 3-1 by being connected with neck 2
It is used to drive the force-applying member 3-2 in the screw-in condyloid process 4 of thread segment 1 to constitute on the brim of a hat 3-1 with being arranged on.Wherein, on force-applying member 3-2
Anchor hole 3-3 is further opened with, anchor hole 3-3 is used to the whole anchor of cap portion 3 being sewn on disk of temporomandibular joint (not indicating in figure).
Thus it is seen that, in practical operation, medical personnel can directly free-hand rotation force-applying member, or clamped also by external tool
Live in force-applying member 3-2, and drive it to be rotated, so that thread segment 1 can be screwed in effectively in condyloid process 4, to ensure condyle shape
Being brought into close contact between prominent bone fragment 4-2 and the fracture face 4 of condyloid process 4.Meanwhile, medical personnel are to force-applying member 3- for convenience
2 operation so that medical personnel easily can screw in the thread segment 1 of screw in condyloid process 4, in the present embodiment, reinforcing
Part 3-2 profile is a regular polygon, and may preferably be regular hexagon, so that when medical personnel are rotating force-applying member 3-2,
It can avoid the generation of skidding, and because force-applying member 3-2 is regular hexagon structure, can also be easily by its rotation with outer-hexagonal
Tool of changing a job is assembled, so as to further facilitate the operation of medical personnel.
In addition, it is noted that as depicted in figs. 1 and 2, a side end faces of the brim of a hat 3-1 provided with force-applying member 3-2 is upper end
Face, and the side end face that the brim of a hat 3-1 is connected with neck 2 is lower surface.And in the present embodiment, the brim of a hat 3-1 is overall from upper end
Face is gradually drawn in lower surface, generally a disk like, and its maximum end face diameter is 3mm to 4mm, and the brim of a hat 3-1 entirety is high
Spend for 3-5mm.Furthermore, it is desirable to which explanation, the diameter of the brim of a hat 3-1 lower surfaces is identical with the diameter of neck 2, so that screw thread
Section 1 is after screwing in condyloid process 4, because the brim of a hat 3-1 diameter of lower surface and the diameter of neck 2 are identicals, so as to enter
One step avoids the brim of a hat 3-1 in cap portion 3 from being directly urged to condyloid process 4, and causes the fracture of condylar process broken ends of fractured bone appearance after resetting need not
The offset phenomena wanted.
By the above, above-mentioned illustrated content be present embodiment in be used for fix fracture of condylar process position
Magnesium alloy screw structure, while medical personnel can choose a magnesium alloy screw according to the actual fracture situation of patient
Fracture site is fixed, or fracture site can be also fixed using two screws.When using a magnesium alloy spiral shell
, can be in the following ways when the fracture site of condyloid process is fixed nail.
Specifically, patient is after intranasal cannula cavity general anesthesia, using angular before the ear that parotid gland otch or improvement are worn before ear
Otch, cut skin, hypodermis, separation or ligation the shallow artery and vein of temporo, appear and protect Branches of facial nerve, successively separate to
Capsula articularis articulationis temporomandibularis lateral surface.Then cut capsular ligament and enter joint cavity of resorption, ramus of mandible is pulled downwards, appear condyloid process high-order tiltedly
Shape fracture or sagittal fracture section simultaneously before it in lower section find the bone fragment 4-2 of displacement, by free bone fragment 4-2 be reset to
Fracture of condylar process section accurate contraposition, as shown in figure 3, and verification occluding relation it is errorless after, outside fracture of condylar process broken ends of fractured bone 4-1
One bore position of lateral layout, and with special drill point to outside fracture of condylar process broken ends of fractured bone 4-1 and inner side reseting fracture piece 4-2
Carry out holostrome drilling.Outside width in condyloid process 4 is measured according to preoperative CT simultaneously, choosing length, appropriate screw screws in its drilling
It is interior fracture of condylar process broken ends of fractured bone 4-1 to be fixed with reseting fracture piece 4-2, it is necessary to explanation is, when choosing screw, it should try one's best
Ensure that the length of screw thread section 1 is adapted with the width at fracture of condylar process position so that thread segment 1 is in insertion condyloid process
Afterwards, thread segment 1 can slightly above condyloid process 4 inner side cortical layer, so as to the bone fragment 4-2 after reset and condyloid process bone
The end 4-1 that fractures effectively fix.And after completing to fix, check articular disc (not indicated in figure) whether there is displacement, perforation, folding
Folded phenomenon, if having displacement, Fold, that is, is resetted, and with suture and coordinates force-applying member 3-2 anchor hole 3-3 by its anchor
Seam is fixed on the force-applying member 3-2 in cap portion 3, if there is perforation, i.e., it is repaired.Finally, check again for condylar position and
Wound is rinsed after occluding relation is errorless, negative pressure drainage is set up, suture operation otch is layered.
Furthermore, it is desirable to explanation, in drilling, it is direct that medical personnel can measure outside width in condyloid process according to preoperative CT
Outside fracture of condylar process broken ends of fractured bone 4-1 and inner side reseting fracture piece 4-2 is carried out entirely from the 2mm diameters Special drill point of suitable length
Layer drilling.Or first from 1.5mm diameters Special drill point to outside fracture of condylar process broken ends of fractured bone 4-1 and inner side reseting fracture piece 4-2
Holostrome drilling is carried out, then outside condyloid process fracture site 4-1 drilling is expanded with 2mm diameters Special drill point, to strengthen to fracture
The pressure at interface two ends.
Meanwhile, in order to ensure that magnesium alloy screw, can be to fracture of condylar process broken ends of fractured bone 4-1 and reseting fracture piece 4- in screw-in
2 effectively fix, in drilling, should ensure that fracture line 4-3 of the screw-in direction perpendicular to condyloid process of screw thread section 1, or
The angular bisector of screw thread 1 screw-in direction of section and the fracture line 4-3 of condyloid process and condyloid process broken ends of fractured bone lateral surface vertical line is (in figure
Do not indicate) it is consistent.
And when the fracture site of condyloid process is fixed using two magnesium alloy screws, can be in the following ways.
Specifically, patient is after intranasal cannula cavity general anesthesia, using angular before the ear that parotid gland otch or improvement are worn before ear
Otch, cut skin, hypodermis, separation or ligation the shallow artery and vein of temporo, appear and protect Branches of facial nerve, successively separate to
Capsula articularis articulationis temporomandibularis lateral surface.Then cut capsular ligament and enter joint cavity of resorption, ramus of mandible is pulled downwards, appear condyloid process high-order tiltedly
Shape fracture or sagittal fracture section simultaneously before it in lower section find the bone fragment 4-2 of displacement, by free bone fragment 4-2 be reset to
Fracture of condylar process section accurate contraposition, as shown in figure 4, and verification occluding relation it is errorless after, outside fracture of condylar process broken ends of fractured bone 4-1
Two bore positions of lateral layout, and outside fracture of condylar process broken ends of fractured bone 4-1 is entered with inner side reseting fracture piece 4-2 with Special drill point
Row holostrome drills.Outside width in condyloid process 4 is measured according to preoperative CT simultaneously, two appropriate screws of length is chosen and screws in its brill
Fracture of condylar process broken ends of fractured bone 4-1 is fixed with reseting fracture piece 4-2 in hole.And after completing to fix, check articular disc (in figure
Do not indicate) displacement, perforation, Fold are whether there is, if having displacement, Fold, that is, resetted, and with suture and coordinate reinforcing
Its anchor seam is fixed on the force-applying member 3-2 in cap portion 3 by part 3-2 anchor hole 3-3, if there is perforation to be repaired to it.Finally,
Condylar position and the errorless rear flushing wound of occluding relation are checked again for, negative pressure drainage is set up, is layered suture operation otch.
Furthermore, it is desirable to explanation, in drilling, it is direct that medical personnel can measure outside width in condyloid process according to preoperative CT
Outside fracture of condylar process broken ends of fractured bone 4-1 and inner side reseting fracture piece 4-2 is carried out entirely from the 2mm diameters Special drill point of suitable length
Layer drilling.Or first from 1.5mm diameters Special drill point to outside fracture of condylar process broken ends of fractured bone 4-1 and inner side reseting fracture piece 4-2
Holostrome drilling is carried out, then outside condyloid process fracture site 4-1 drilling is expanded with 2mm diameters Special drill point, to strengthen to fracture
The pressure at interface two ends.
Meanwhile, in order to ensure that magnesium alloy screw, can be to fracture of condylar process broken ends of fractured bone 4-1 and reseting fracture piece 4- in screw-in
2 effectively fix, in drilling, two screw thread sections 1 are should ensure that after screw-in, wherein a magnesium alloy screw 5 and condyle
Shape dashes forward fracture face vertically, and another magnesium alloy screw 5 is in an inclination angle therewith, and exists as the preferred inclination angle general control
30 ° to 45 °.
Second embodiment of the present utility model is related to a kind of fracture of condylar process setting tool, and second embodiment is
The further improvement made on the basis of one embodiment, it, which is mainly improved, is：In the present embodiment, magnesium alloy screw surface
It is also coated with the one or more in degradable macromolecule coating, degradable ceramic coating and degradable composite coating.Thus may be used
Know, by above-mentioned coating, may be such that screw while carry load, goes back releasable one or more with anti-in condyloid process
Bacterium, anti-inflammatory, the medicine for promoting osteanagenesis effect, so as to accelerate the healing at fracture of condylar process position.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific implementation of the present utility model
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (11)
1. a kind of fracture of condylar process setting tool, it is characterised in that：Comprising for screwing in the bone fragment of condyloid process in condyloid process
The thread segment being fixed on fracture of condylar process section, the cap portion for reinforcing and anchoring disk of temporomandibular joint and the connection screw thread
Section and the neck in cap portion；
The thread segment, the neck and the cap portion constitute magnesium alloy screw.
2. fracture of condylar process setting tool according to claim 1, it is characterised in that：The thread segment deviates from the cap portion
Side be the thread segment end, and the end gradually draws in from end tail to end top, and forms at its end top a point
Nail.
3. fracture of condylar process setting tool according to claim 2, it is characterised in that：The end of the thread segment is also opened up
There is N number of chip area for being used to collecting and discharging bone bits；
Wherein, the N is natural number, and each chip area extends to the end top of the thread segment end.
4. fracture of condylar process setting tool according to claim 3, it is characterised in that：When the N is more than 1, each chip removal
Groove is equidistant around setting on the end of the thread segment.
5. fracture of condylar process setting tool according to claim 1, it is characterised in that：The external diameter of the neck and the spiral shell
The external diameter of line section is consistent, and the neck is the cylinder that an outer surface is shiny surface.
6. fracture of condylar process setting tool according to claim 1, it is characterised in that：The cap portion is included and the neck
The connected the brim of a hat, it is arranged on the force-applying member for being used to drive the thread segment to screw in the condyloid process on the brim of a hat；
Wherein, anchor hole is further opened with the force-applying member to be used to cap portion anchor being sewn on the disk of temporomandibular joint.
7. fracture of condylar process setting tool according to claim 6, it is characterised in that：The force-applying member is a regular polygon
Structure.
8. fracture of condylar process setting tool according to claim 6, it is characterised in that：The brim of a hat is provided with the force-applying member
A side end face be upper surface, the side end face that the brim of a hat is connected with the neck be lower surface；
Wherein, the brim of a hat is integrally gradually drawn in from upper surface to lower surface, and the diameter of the lower surface and the neck
Diameter is identical.
9. fracture of condylar process setting tool according to claim 1, it is characterised in that：The length of the thread segment with it is described
The width at fracture of condylar process position is adapted.
10. fracture of condylar process setting tool according to claim 1, it is characterised in that：The magnesium alloy screw surface is also
It is coated with the one or more in degradable macromolecule coating, degradable ceramic coating and degradable composite coating.
11. fracture of condylar process setting tool as claimed in any of claims 1 to 10, it is characterised in that：The condyle
Shape dashes forward fracture fixation kit containing the magnesium alloy screw described in one or two；
Wherein, when magnesium alloy screw is two, wherein a magnesium alloy screw and fracture of condylar process cross section perpendicular, and another
Magnesium alloy screw is in an inclination angle therewith；
And when magnesium alloy screw is one, the fracture of the screw-in direction of magnesium alloy screw thread section perpendicular to condyloid process
Line, or the magnesium alloy screw thread section screw-in direction and condyloid process fracture line and the angle of condyloid process broken ends of fractured bone lateral surface vertical line
Bisector is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112267.0U CN206508024U (en) | 2016-10-10 | 2016-10-10 | Fracture of condylar process setting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112267.0U CN206508024U (en) | 2016-10-10 | 2016-10-10 | Fracture of condylar process setting tool |
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| Publication Number | Publication Date |
|---|---|
| CN206508024U true CN206508024U (en) | 2017-09-22 |
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ID=59860969
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621112267.0U Expired - Fee Related CN206508024U (en) | 2016-10-10 | 2016-10-10 | Fracture of condylar process setting tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618701A (en) * | 2016-10-10 | 2017-05-10 | 史俊 | Condylar-process-fracture fixation device |
| CN109264747A (en) * | 2018-09-29 | 2019-01-25 | 广东邦普循环科技有限公司 | A method of lithium hydroxide is prepared with the fluorination slag containing lithium |
-
2016
- 2016-10-10 CN CN201621112267.0U patent/CN206508024U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618701A (en) * | 2016-10-10 | 2017-05-10 | 史俊 | Condylar-process-fracture fixation device |
| CN109264747A (en) * | 2018-09-29 | 2019-01-25 | 广东邦普循环科技有限公司 | A method of lithium hydroxide is prepared with the fluorination slag containing lithium |
| CN109264747B (en) * | 2018-09-29 | 2021-08-03 | 广东邦普循环科技有限公司 | Method for preparing lithium hydroxide from lithium-containing fluorinated slag |
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