CN106618649A - Craniomaxilla retractor - Google Patents
Craniomaxilla retractor Download PDFInfo
- Publication number
- CN106618649A CN106618649A CN201610997704.XA CN201610997704A CN106618649A CN 106618649 A CN106618649 A CN 106618649A CN 201610997704 A CN201610997704 A CN 201610997704A CN 106618649 A CN106618649 A CN 106618649A
- Authority
- CN
- China
- Prior art keywords
- tractor
- skull
- sleeve
- stubborn
- jaw bone
- 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.)
- Granted
Links
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 32
- 239000010936 titanium Substances 0.000 claims abstract description 32
- 239000000725 suspension Substances 0.000 claims description 36
- 210000003625 skull Anatomy 0.000 claims description 25
- 238000010276 construction Methods 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 10
- 210000000988 bone and bone Anatomy 0.000 description 9
- 238000009434 installation Methods 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000002980 postoperative effect Effects 0.000 description 3
- 238000002316 cosmetic surgery Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 108010048734 sclerotin Proteins 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000002188 osteogenic effect Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000017423 tissue regeneration Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention relates to a craniomaxilla retractor comprising a retractor body sleeve, a retractor body screw and a titanium fixing plate. The screwed end of the retractor body screw is arranged in the retractor body sleeve, one end of the titanium fixing plate is fitted to the retractor body screw in a screwed manner and is arranged in the retractor body sleeve, and the other end is exposed to the retractor body sleeve. The craniomaxilla retractor further comprises a universal joint and an extension rod assembly, one end of the universal joint is connected to the retractor body screw, the other end is connected to the extension rod assembly detachably, and the extension rod assembly rotates to drive the retractor body screw to rotate so as to drive the titanium fixing plate to move along the retractor body sleeve. The craniomaxilla retractor is provided with the detachable extension rod, the wound cutting of a patient is omitted while the extension rod is detached, and accordingly the pain of the patient is reduced greatly.
Description
Technical field
The invention belongs to be used for the technical field of the medicine equipment of skull, Jaw surgery and plastic surgery operations, especially relate to
And a kind of tractor for skull and jaw bone.
Background technology
Tractor for skull and jaw bone has been widely used in oral and maxillofacial surgery or head surgery and plastic surgery operations, tractor
Application principle may be summarized to be：The soft tissue around jawbone is first cut, jawbone is completely cut off or after not exclusively blocking, use external force
Gradually bone stump is strutted makes to form gap, and new bone is persistently formed using the osteogenic ability of tractive force induction jawbone itself to fill out
This gap is filled, the purpose for extending jawbone is reached.The technology utilizes body tissue regeneration potential, can repair the various congenital or day after tomorrow former
Bone defect or defects that cause is caused.
In existing tractor for skull and jaw bone, its structure is typically made up of extension rod and main part, and main part inside is general
With screw rod, its end is connected with extension rod.In order to avoid after surgery extension rod is stayed in mouth, the nursing brought to patient is prevented
Etc. aspect inconvenience and related complication, extension rod can be designed as detachable form, it is postoperative to remove extension rod.But at present
Can be with detachable tractor, extension rod position detached with main body is located at main body one end, and the part is embedded in group in postoperative
In knitting, the Limb lengthening phase terminate after when extension rod is separated with main body, need wound is cut into exposure by operation and separate joint
Extension rod can be unloaded, very big pain is brought with inconvenience to patient.
The content of the invention
The technical problem to be solved is to provide a kind of tractor for skull and jaw bone, the tractor have removably prolong
Stock, and be not required to the wound of patient to cut when dismantling extension rod, significantly reduce the pain of patient.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of tractor for skull and jaw bone, including main body sleeve, master
Body screw rod and fixed titanium plate, the end of thread of the body screw is placed in the main body sleeve inner, fixed titanium plate one end rotation
Together in the main body sleeve inner is placed on the body screw, the other end is exposed to the main body sleeve, with prior art
Except for the difference that, also including gimbal suspension and prolongation bar assembly, described gimbal suspension one end is connected with the body screw, the other end
Removably it is connected with the prolongation bar assembly, rotating the prolongation bar assembly can drive the main body by the gimbal suspension
Screw rod is rotated, and then drives the fixed titanium plate to move along the main body sleeve.
It is that one end of gimbal suspension is connected with body screw, the other end using the beneficial effect of technical scheme
Removably it is connected with bar assembly is extended, when operation and Bone traction, extension rod can be turned, by the drive of gimbal suspension, drives
Dynamic body screw is rotated, and then drives fixed titanium plate to move along main body sleeve, realizes draw operations, when operation and Bone traction it is complete
Finish when needing to disassemble extension rod, dismantled from one end of universal joint, such that it is able to avoid cutting wound again, together
When can avoid extending bar assembly in stationary phase that to be exposed to patient for a long time external, facilitate postoperative care, reduce POI chance.
On the basis of above-mentioned technical proposal, the present invention can also be improved as follows.
Further, the prolongation bar assembly includes twisting rod sleeve and stubborn bar, and the stubborn rod sleeve is hollow rod-like structure,
The stubborn bar through being removably connected with one end of the gimbal suspension after the stubborn rod sleeve, and will the stubborn rod sleeve and
The gimbal suspension is fixed as one.
It is to be connected with gimbal suspension again through rod sleeve is twisted by twisting bar using the beneficial effect of above-mentioned further scheme
The mode for connecing, stubborn rod sleeve can be easily fixed on one end of universal joint, convenient dismounting.
Further, the gimbal suspension and described one end for being connected of prolongation bar assembly open up screwed hole, and the one of the stubborn bar
End offers the external screw thread being adapted with the screwed hole, the stubborn bar through after the stubborn rod sleeve with the gimbal suspension spiral shell
Line connects.
It is the mode being threaded connection using the beneficial effect of above-mentioned further scheme, can incites somebody to action when installing
Stubborn bar is inserted after twisting in rod sleeve, is screwed in the screwed hole of gimbal suspension, not only reliable and stable, and installing/dismounting all facilitates,
Only need to carry out turning stubborn bar in end and be operated, so can mitigate the same of patient suffering further from the operative site of patient
When, also allow for doctor and operated.
Further, the other end of the stubborn bar is shade shape structure, and its end face is provided with in-line groove or cross
Groove.
It is stubborn rod sleeve clamping can be prevented using shade shape structure using the beneficial effect of above-mentioned further scheme
Loosen, meanwhile, with convenient use screwdriver or other instruments can carry out that fixed behaviour is installed using in-line groove or cross groove
Make.
Further, the stubborn rod sleeve cooperates with the gimbal suspension and connects and fixes, and does not send out between the two after clamping
It is raw to relatively rotate.
It is to be cooperated clamping by twisting rod sleeve and the gimbal suspension using the beneficial effect of above-mentioned further scheme
It is fixed, it can be ensured that rod sleeve to be twisted after installation and is fixed as one with the gimbal suspension, when stubborn rod sleeve is turned both are prevented
Between relatively rotate, such that it is able to guarantee to carry out to draw precise control during operation to hauling distance.
Further, the stubborn rod sleeve is polygonized structure away from the lateral wall of one end of the gimbal suspension.
It is first can be fixed with instruments such as spanners in installation or dismounting using the beneficial effect of above-mentioned further scheme
The firmly polygonized structure, then stubborn bar is screwed into or is back-outed gimbal suspension, so can preferably keep twisting rod set in operation
Cylinder is stable, it is to avoid bring bigger pain to patient.
Further, the tractor for skull and jaw bone also includes box spanner, and described box spanner one end is handle, and the other end sets
There is the polygonal hole being adapted with the polygonized structure.
It is that doctor can hold the handle part of spanner, and handle is another using the beneficial effect of above-mentioned further scheme
The polygonal hole at end is enclosed within outside the polygonized structure of stubborn rod sleeve end, fixes stubborn rod sleeve, then is operated to twisting bar.
It is simple and convenient, easily operation.
Further, the gimbal suspension includes jointing and cruciform joint, the non-threaded end of the body screw and institute
The one end for stating jointing is equipped with a pair ear mounts positioned opposite, the cruciform joint respectively with a pair of the two pairs of ear mounts 1
The rotation connection answered；The other end of the jointing is removably connected with the prolongation bar assembly.
It is using the beneficial effect of above-mentioned further scheme, using cruciform joint and the gimbal suspension of jointing composition,
Both the function of universal connection can have been realized, while small volume, easily, cost is relatively low for processing and manufacturing.
Further, the fixed titanium plate is two, and described body screw the preceding paragraph is provided with forward screw thread, and another section is provided with anti-
To screw thread, two fixed titanium plates are combined on respectively on two sections of screw threads.
It is using positive and negative two to screw thread, and to drive a fixed titanium respectively using the beneficial effect of above-mentioned further scheme
Plate, it is possible to achieve two fixed titanium plates simultaneously near or while away from two fixed titanium plates are arranged in the middle part of body screw
Both sides, can thus reduce the entire length of tractor, and then can to greatest extent reduce to suffering from order to operation technique
The wound that person causes, simultaneously as length is less, is also more applicable for child patient.
Further, the fixed titanium plate is formed in one structure or modular construction.
It is that easily, cost is relatively low for integrated formed structure processing and fabricating, assembling using the beneficial effect of above-mentioned further scheme
Formula structure replaceability is stronger, it is possible to achieve different size or different shape, different size of assembling.On the other hand, adopt
During modular construction, because fixed plate can be dismantled freely, just can be by body screw together with fixed titanium plate entirety in operation
It is fixed at the sclerotin of the cranium jawbone for needing operation, removes body screw component from fixed plate before osteotomy, then at two pieces
Gap osteotomy between fixed plate, treats after the completion of osteotomy that body screw and extension rod are fixed in two pieces of fixed plates again, so may be used
To ensure the accuracy in Bone traction direction, it is to avoid osteotomy two ends rotate and shift and disconnected from each other.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of specific embodiment of tractor for skull and jaw bone provided by the present invention；
Fig. 2 disassembles schematic diagram for embodiment illustrated in fig. 1；
Fig. 3 is the partial assembled schematic diagram of embodiment illustrated in fig. 1；
Fig. 4 is the schematic diagram after the part of embodiment illustrated in fig. 1 is disassembled；
Fig. 5 is that schematic diagram is disassembled in the local at the gimbal suspension；
Fig. 6 is the overall structure diagram of the specific embodiment of another kind of tractor for skull and jaw bone provided by the present invention；
Fig. 7 is the structural representation that titanium plate is fixed described in embodiment illustrated in fig. 6.
Wherein, the piece number in figure is expressed as：
1st, main body sleeve, 2, body screw, 3, fixed titanium plate, 4, gimbal suspension, 5, extend bar assembly, 6, polygon knot
Structure, 7, box spanner, 8, ear mount, 21, forward screw thread, 22, reverse thread, 31, screw portion, 32, screw, 33, tractive unit, 41,
Jointing, 42, cruciform joint, 51, twist rod sleeve, 52, twist bar, 521, cross groove, 71, handle, 72, polygonal hole.
Specific embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
It is non-for limiting the scope of the present invention.
Embodiment 1, refer to Fig. 1 to Fig. 5, and Fig. 1 is that one kind of tractor for skull and jaw bone provided by the present invention is embodied as
The overall structure diagram of example；Fig. 2 disassembles schematic diagram for embodiment illustrated in fig. 1；Fig. 3 is filled for the local of embodiment illustrated in fig. 1
With schematic diagram；Fig. 4 is the schematic diagram after the part of embodiment illustrated in fig. 1 is disassembled；Fig. 5 is the local at the gimbal suspension
Disassemble schematic diagram.
A kind of tractor for skull and jaw bone that the present embodiment is provided, including main body sleeve 1, body screw 2 and fixed titanium plate 3,
The fixed titanium plate 3 is two, and the preceding paragraph of the body screw 2 is provided with forward screw thread 21, and another section is provided with reverse thread 22, two
The individual fixed titanium plate 3 is combined on respectively on two sections of screw threads.
The end of thread of the body screw 2 is placed in inside the main body sleeve 1, and the side of main body sleeve 1 is narrow with one
Seam, described one end of fixed titanium plate 3 is combined on the body screw 2 and is placed in inside the main body sleeve 1, and the other end is from main body
Pass in the slit of sleeve 1, be exposed to the main body sleeve 1, can be under the drive of body screw 2 along main body sleeve 1
Slit is moved, and realizes the traction of the cranium jawbone to patient.
Tractor in the present embodiment also includes gimbal suspension 4 and extends bar assembly 5, the one end of the gimbal suspension 4 and institute
State body screw 2 to connect, the other end is removably connected with the prolongation bar assembly 5, rotating the prolongation bar assembly 5 can drive
The body screw 2 is rotated, and then drives the fixed titanium plate 3 to move along the main body sleeve 1.
The prolongation bar assembly 5 includes twisting rod sleeve 51 and stubborn bar 52, and the stubborn rod sleeve 51 is hollow rod-like structure,
The stubborn bar 52 is removably connected through after the stubborn rod sleeve 51 with one end of the gimbal suspension 4, and its connected mode can
With clamping, it is also possible to be attached with the mode being threadedly coupled as illustrated in the drawing, be its purpose is to the stubborn rod sleeve 51
It is fixed as one with the gimbal suspension 4.
Shown in accompanying drawing, one end that the gimbal suspension 4 is connected with the prolongation bar assembly 5 opens up screwed hole, described to twist
One end of bar 52 offers the external screw thread being adapted with the screwed hole, and the stubborn bar 52 is threadedly coupled with the gimbal suspension 4.
The other end of the stubborn bar 52 is shade shape structure, and its end face is provided with cross groove 521, or yi word pattern is recessed
Groove, facilitates operating personnel to be operated using screwdriver.
The gimbal suspension 4 includes jointing 41 and cruciform joint 42, one end of the body screw 2 and the connection
One end of joint 41 is equipped with a pair ear mounts 8 positioned opposite, the cruciform joint 42 respectively with a pair of the two pairs of ear mounts 8 one
The rotation connection answered.One end of stubborn rod sleeve 51 and the end of jointing 41 cooperate clamping, to guarantee to twist rod sleeve 51
Do not relatively rotate between jointing 41.The mode of clamping can be provided with the groove of interlaced arrangement and convex for two parts
Rise, jog between the two is staggeredly inserted, engaged, realizes clamping.In order to ensure there is no relative displacement, rod sleeve is twisted
51 need to carry out cooperation installation with certain tolerance with the size of the jog of jointing 41.
Bar assembly is twisted for the ease of installing/dismounting, this tractor for skull and jaw bone also includes box spanner 7, the box spanner 7
One end is handle 71, and the other end is provided with polygonal hole 72.Twisting lateral wall of the rod sleeve 51 away from one end of the gimbal suspension 4
For polygonized structure 6, polygonal hole 72 is adapted with the polygonized structure 6, can just be set in the outer of polygonized structure 6
Portion, polygonal hole 72, in number preferably six, is so adapted to various common inner hexagon spanners with polygonized structure 6.
Fixed titanium plate in the present embodiment 1 is modular construction, i.e., including the portion that screws 31 and tractive unit 33, screw portion 31 and revolve
Together on body screw 2, fixing hole is offered on tractive unit 33, for the fixed bone for needing to draw in operation, screw portion 31
It is fixed as one by screw 32 with tractive unit 33, so tractive unit can be made plurality of specifications, form and dimension, according to trouble
The situation of person, selects suitable tractive unit to be arranged on and screws in portion.When on the other hand, using modular construction, due to solid
Fixed board can be dismantled freely, just can be integrally fastened to body screw together with fixed titanium plate need the cranium jaw of operation in operation
At the sclerotin of bone, body screw component is removed from fixed plate before osteotomy, gap osteotomy, treats then between two pieces of fixed plates
After the completion of osteotomy body screw and extension rod be fixed in two pieces of fixed plates again, so can ensure that the accurate of Bone traction direction
Property, it is to avoid osteotomy two ends rotate and shift and disconnected from each other.
Embodiment 2, refer to Fig. 6, Fig. 7, and Fig. 6 is being embodied as another kind of tractor for skull and jaw bone provided by the present invention
The overall structure diagram of example；Fig. 7 is the structural representation that titanium plate is fixed described in embodiment illustrated in fig. 6.
In the present embodiment, it is that the fixed titanium plate is formed in one structure with the difference of embodiment 1, remaining structure phase
Together.Although the fixed titanium plate of this integrated formed structure in embodiment 1 unlike dismantling, its processing and manufacturing is easy, into
This is lower.
In describing the invention, it is to be understood that term " on ", it is D score, "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outward ", " circumference " is based on side shown in the drawings
Position or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply device or the unit of indication
Part with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clearly restriction.For one of ordinary skill in the art
For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of tractor for skull and jaw bone, including main body sleeve (1), body screw (2) and fixed titanium plate (3), the body screw
(2) the end of thread is placed in main body sleeve (1) inside, and described fixed titanium plate (3) one end is combined on the body screw (2)
It is placed in the main body sleeve (1) internal, the other end is exposed to the main body sleeve (1), it is characterised in that also including universal pass
Section (4) and prolongation bar assembly (5), described gimbal suspension (4) one end is connected with the body screw (2), and the other end prolongs with described
Long pole assembly (5) removably connects, and rotating prolongation bar assembly (5) can drive the master by the gimbal suspension (4)
Body screw rod (2) is rotated, and then drives the fixed titanium plate (3) mobile along the main body sleeve (1).
2. a kind of tractor for skull and jaw bone according to claim 1, it is characterised in that the prolongation bar assembly (5) is including twisting
Rod sleeve (51) and stubborn bar (52), the stubborn rod sleeve (51) is hollow rod shape structure, and the stubborn bar (52) is through the stubborn bar
Removably it is connected with one end of the gimbal suspension (4) after sleeve (51), and the stubborn rod sleeve (51) is universal with described
Joint (4) is fixed as one.
3. a kind of tractor for skull and jaw bone according to claim 2, it is characterised in that the gimbal suspension (4) is prolonged with described
One end of long pole assembly (5) connection opens up screwed hole, and one end of the stubborn bar (52) offers what is be adapted with the screwed hole
External screw thread, the stubborn bar (52) is threadedly coupled with the gimbal suspension (4).
4. a kind of tractor for skull and jaw bone according to claim 3, it is characterised in that the other end of the stubborn bar (52) is cap
Along shape structure, and its end face is provided with in-line groove or cross groove (521).
5. a kind of tractor for skull and jaw bone according to claim 2, it is characterised in that the stubborn rod sleeve (51) and described ten thousand
Cooperate to joint (4) and connect and fix, do not relatively rotate between the two after clamping.
6. a kind of tractor for skull and jaw bone according to claim 3, it is characterised in that the stubborn rod sleeve (51) is away from described
The lateral wall of one end of gimbal suspension (4) is polygonized structure (6).
7. a kind of tractor for skull and jaw bone according to claim 6, it is characterised in that the tractor for skull and jaw bone also includes set
Barrel spanner (7), described box spanner (7) one end is handle (71), and the other end is provided with what is be adapted with the polygonized structure (6)
Polygonal hole (72).
8. a kind of tractor for skull and jaw bone according to claim 1, it is characterised in that the gimbal suspension (4) is including connection
Joint (41) and cruciform joint (42), the non-threaded end of the body screw (2) and one end of the jointing (41) are all provided with
There are a pair ear mounts positioned opposite (8), respectively correspondingly rotation connects the cruciform joint (42) with two pairs of ear mounts (8)
Connect；The other end of the jointing is removably connected with prolongation bar assembly (5).
9. a kind of tractor for skull and jaw bone according to any one of claim 1 to 8, it is characterised in that the fixed titanium plate (3)
For two, described body screw (2) the preceding paragraph is provided with forward screw thread (21), and another section is provided with reverse thread (22), described in two
Fixed titanium plate (3) is combined on respectively on two sections of screw threads.
10. a kind of tractor for skull and jaw bone according to claim 9, it is characterised in that the fixed titanium plate (3) is integrated into
Type structure or modular construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610997704.XA CN106618649B (en) | 2016-11-11 | Craniomaxillary bone tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610997704.XA CN106618649B (en) | 2016-11-11 | Craniomaxillary bone tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106618649A true CN106618649A (en) | 2017-05-10 |
| CN106618649B CN106618649B (en) | 2024-07-16 |
Family
ID=
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292428A (en) * | 2019-07-31 | 2019-10-01 | 齐孝宇 | Bone stretcher |
| CN110934629A (en) * | 2019-10-24 | 2020-03-31 | 中南大学湘雅医院 | Individualized elbow joint stabilizer and manufacturing method thereof |
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|---|---|---|---|---|
| US20050021045A1 (en) * | 2001-11-20 | 2005-01-27 | Osteomed L.P. | Facial osteodistraction device |
| CN101015469A (en) * | 2007-03-13 | 2007-08-15 | 沈国芳 | Detachable tractor for skull and jaw bone |
| WO2014126389A1 (en) * | 2013-02-12 | 2014-08-21 | 주식회사 제일메디칼코퍼레이션 | Bone distractor |
| CN104665901A (en) * | 2015-03-02 | 2015-06-03 | 宁波慈北医疗器械有限公司 | Alveolar bone tractor |
| CN204814136U (en) * | 2015-08-04 | 2015-12-02 | 广州市妇女儿童医疗中心 | Infant leads a ware |
| CN204863430U (en) * | 2015-06-25 | 2015-12-16 | 江苏创英医疗器械有限公司 | Bone tractor |
| CN206403810U (en) * | 2016-11-11 | 2017-08-15 | 中国医学科学院整形外科医院（整形外科研究所） | A kind of tractor for skull and jaw bone |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050021045A1 (en) * | 2001-11-20 | 2005-01-27 | Osteomed L.P. | Facial osteodistraction device |
| CN101015469A (en) * | 2007-03-13 | 2007-08-15 | 沈国芳 | Detachable tractor for skull and jaw bone |
| WO2014126389A1 (en) * | 2013-02-12 | 2014-08-21 | 주식회사 제일메디칼코퍼레이션 | Bone distractor |
| CN104665901A (en) * | 2015-03-02 | 2015-06-03 | 宁波慈北医疗器械有限公司 | Alveolar bone tractor |
| CN204863430U (en) * | 2015-06-25 | 2015-12-16 | 江苏创英医疗器械有限公司 | Bone tractor |
| CN204814136U (en) * | 2015-08-04 | 2015-12-02 | 广州市妇女儿童医疗中心 | Infant leads a ware |
| CN206403810U (en) * | 2016-11-11 | 2017-08-15 | 中国医学科学院整形外科医院（整形外科研究所） | A kind of tractor for skull and jaw bone |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292428A (en) * | 2019-07-31 | 2019-10-01 | 齐孝宇 | Bone stretcher |
| CN110934629A (en) * | 2019-10-24 | 2020-03-31 | 中南大学湘雅医院 | Individualized elbow joint stabilizer and manufacturing method thereof |
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