CN105476703B - The outer fixed bridge of mandibular - Google Patents
The outer fixed bridge of mandibular Download PDFInfo
- Publication number
- CN105476703B CN105476703B CN201510996671.2A CN201510996671A CN105476703B CN 105476703 B CN105476703 B CN 105476703B CN 201510996671 A CN201510996671 A CN 201510996671A CN 105476703 B CN105476703 B CN 105476703B
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- CN
- China
- Prior art keywords
- mandibular
- alveolus
- steel ball
- lock
- retainer plate
- 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.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/62—Ring frames, i.e. devices extending around the bones to be positioned
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention disclose mandibular fixed bridge outside, is made up of central locking mechanism, universal retention arm and alveolus maintenance pin, the maintenance by central locking mechanism and universal retention arm to any angle of mandibular stump row.Central locking mechanism is implemented to fix by locking device to the position of retention arm, and the structure controls for simple joint, good operability, more flexibly, so as to be more beneficial for being operated in art；The bilateral mandibular stump that universal retention arm is applicable to any position is fixed, easy to use, and it has locking mechanism, can in any angle locked retention arm, the relative position of stable mandibular stump, so as to simplify the process of mandible reconstruction, the accurate effect of mandible reconstruction；Alveolus maintenance block can be separated with fixed bridge main body, and alveolus angle is fixed on into mandibular stump by four holes, facilitates and is operated in the art of patient, and alveolus maintenance block and mandibular contact surface are zigzag, so as to increase its stability.
Description
Technical field
The invention belongs to medical instruments field, more particularly, is related to oral and maxillofacial surgery and repaiies what is used in reconstructive surgery
The outer fixed bridge of mandibular.
Background technology
Following several method and apparatus are used in clinical at present：
Intermaxillary wiring (Yildirim, S.and T.Akoz, Use of Kirschner wire in mandible
reconstruction:a case report and review of the literature.Microsurgery,
2004.24(1):p.3-7.)：The conventional method application teeth occluding relation determines bilateral stump relative position, and this method is only
It is limited to the patient that bilateral occluding relation remains, is not suitable for the bone remoulding patient for only depositing mandibular ramus or condyle is dashed forward, and this method shadow
The postoperative normal feed of patient is rung, is unfavorable for oral hygiene protection.
Upper lower jaw technique for fixing：This method is applied to the case that lesion does not involve mandibular ramus, under being fixed by L-type titanium plate
Jaw ascending branch cheek side and the maxilla face of cheekbone alveolar ridge, so as to record mandibular position before osteotomy, amputated after removing titanium plate under lesion
Jawbone, maintenance titanium plate again, bone grafting repairs mandibular defect, and (Wang Zhiping, Wu Hanjiang, Zhu Zhaofu, the profile of mandibular defect are repaiied
Multiple and reconstruction Oral and Maxillofacial Surgery magazines, 2002.12 (1):p.61-63.).This method need cut maxilla mucous membrane with
Exposure cheekbone alveolar ridge, causes Fei Shu areas to damage.And this method application is narrow, for leaving the trouble that tooth is less or defect scope is big
Person can not recover the normal position of mandibular.
External technique：For the case that mandibular defect area is larger, various external fixers are clinically more likely to：
1st, (Ameerally, P.J.and P.Hollows, Use of an the external fixator such as Ameerally
to stabilise the proximal mandibular segments during reconstruction.Br J Oral
Maxillofac Surg,2004.42(4):P.354-6) using external fixer by being fixed on drawing for lateral mandibular both sides
Pin, bow and connection both pliers for screws are formed, and the position of pin avoids the position for opening mandible reconstruction titanium plate, and bow
Because the connection of pliers for screws is positioned at the outside of defective region and unanimous on the whole with the profile of mandible body, mandibular titanium plate is removed after rebuilding
External fixator, you can continue Vascularized Bone transplanting and rebuild.The set-up time is higher than 20min in the device art, has shadow to operation in art
Ring, also increase the risk of fracture of mandible.
2nd, (Mohindra, A.and M.M.Blanco-Guzman, the Temporary mandibular such as Mohindra
stabilisation during reconstruction:an alternative technique.Br J Oral
Maxillofac Surg,2009.47(5):P.399-400. one piece of Kirschner wire) is inserted into homonymy lower jaw liter from side soft tissue
Branch, both sides mandibular body portion level fix one piece of Kirschner wire, avoid tongue and mouth bottom normal structure in operation as far as possible, cut off lower jaw osteopathy
After stove, support of the Kirschner wire on multiple faces makes mandibular keep in situ constant.This method strong operability, but can make
Into healthy bone and the iatrogenic injury of soft tissue, and it is still not rigorous by drag of soft tissue, it is also easy to produce lower jaw diostosis.
CAD/CAM technologies：Ipsilateral mandibular is replicated according to strong side mandibular according to image theory, simulated in this, as template
Operation, determines osteotomy line and moulding bone tissue template, after success in art mandible reconstruction, good effect can be reached, but
The making of model spend it is larger, be restrict the wide variety of major reason of this technology (Toro, C., et al.,
Feasibility of preoperative planning using anatomical facsimile models for
mandibular reconstruction.Head Face Med,2007.3:p.5.)。
The content of the invention
It is an object of the invention to provide a kind of bilateral mandibular stump for being applicable to any position to fix, user
Just, the outer fixed bridge of the mandibular of good operability.
To realize object above, the present invention discloses following technical scheme：The outer fixed bridge of mandibular, it is characterised in that described
The outer fixed bridge of mandibular is made up of central locking mechanism, universal retention arm and alveolus maintenance pin, and the central locking mechanism includes
Lock nut, upper lock sleeve, lower check lock lever, upper bracket core retainer plate and lower carriage core retainer plate, the lower check lock lever sequentially pass through lower carriage
Inclined-plane is set on core retainer plate, upper lock sleeve and upper bracket core retainer plate, the upper lock sleeve and lower check lock lever, and the upper bracket core retainer plate is with
Support core retainer plate can following check lock lever be axle rotate；The universal retention arm has two, includes locking push rod, steel ball, steel ball respectively
Connecting rod, top stem casing, steel ball set and lock ball support, the locking push rod pass through top stem casing, described top stem casing one end and it is described on
Support core retainer plate or the connection of lower carriage core retainer plate, the top stem casing other end connect with steel ball set, and described locking push rod one end is with locking
The contact of incline plane on the inclined-plane of tight set or lower check lock lever, the locking push rod other end and the end thereof contacts of lock ball support, the lock
The other end of tight ball support is contacted into cancave cambered surface and with steel ball, and the steel ball is connected with steel ball connecting rod one end；The alveolus maintenance
Pin includes alveolus maintenance block and alveolus angle, and the alveolus maintenance pin is connected with the steel ball connecting rod other end.
As a preferred scheme, handle is set on the lock nut.Lock or unclamp by rotary handle and lock
Set.
As a preferred scheme, the lower check lock lever is threadedly coupled with lock nut, when tightening up lock nut, lower lock
Tight bar above carries, and upper lock sleeve pushes.
As a preferred scheme, the inclined-plane on the upper lock sleeve and lower check lock lever is groove.
As a preferred scheme, the steel ball set end set steel ball set gets rid of cap.
As a preferred scheme, the alveolus maintenance pin also includes fixed screw, and alveolus maintenance block passes through fixed screw
It is connected with alveolus angle.
As a preferred scheme, the alveolus maintenance block and mandibular bone face contact position are zigzag.
When universal retention arm is active, locking push rod one end and the contact of incline plane of upper lock sleeve, another locking
One end of push rod and the contact of incline plane of lower check lock lever, now lock the push rod other end and unclamped with lock ball support, steel ball and lock ball
Unclamped between support and steel ball set；The upper-lower position of the upper lock sleeve of rotary handle regulation, when tightening up lock nut, on lower check lock lever
Carry, upper lock sleeve pushes, and locking push rod one end is ejected inclined-plane, and upper lock sleeve and lower check lock lever withstand locking push rod one end, together
When by lock ball support eject outward and by ball lock be fixed on steel ball set in, lock universal retention arm.
The advantage of the invention is that：The present apparatus can be appointed by central locking mechanism and universal retention arm to mandibular stump row
The maintenance of what angle.(1) central locking mechanism is implemented to fix by locking device to the position of retention arm, and the structure is closed to be single
Section control, good operability, more flexibly, so as to be more beneficial for being operated in art；(2) universal retention arm is applicable to any position
Bilateral mandibular stump is fixed, easy to use, and it has locking mechanism, can in any angle locked retention arm, surely
The relative position of jawbone stump is fixed, so as to simplify the process of mandible reconstruction, the accurate effect of mandible reconstruction；(3)
Alveolus maintenance block can be separated with fixed bridge main body, and alveolus angle is fixed on into mandibular stump by four holes, facilitates patient's
Operated in art, and alveolus maintenance block and mandibular contact surface are zigzag, so as to increase its stability.
Brief description of the drawings
Fig. 1 is the amplification decomposition figure of central locking mechanism.
Fig. 2 is the profile of the outer fixed bridge of mandibular.
Fig. 3 is the stereogram of the outer fixed bridge of mandibular.
Label is as follows in figure：
1 lock nut, 2 handles, lock sleeve on 3,4 upper bracket core retainer plates, 5 steel ball sets get rid of cap, 6 top stem casings, 7 steel ball sets, under 8
Check lock lever, 9 lower carriage core retainer plates, 10 locking push rods, 11 lock ball supports, 12 steel balls, 13 steel ball connecting rods, 14 alveolus maintenance blocks, 15
Alveolus angle, 16 fixed screws.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.Experimental method used in following embodiments for example without
Specified otherwise, it is conventional method.It should be understood that these embodiments are merely to illustrate the model of the present invention rather than the limitation present invention
Enclose
Embodiment
The outer fixed bridge of mandibular is made up of central locking mechanism, universal retention arm and alveolus maintenance pin, referring to Fig. 1, center
Locking mechanism includes lock nut 1, upper lock sleeve 3, lower check lock lever 8, upper bracket core retainer plate 4 and lower carriage core retainer plate 9, lock nut 1
Upper setting handle 2, lower check lock lever 8 sequentially pass through lower carriage core retainer plate 9, upper lock sleeve 3 and upper bracket core retainer plate 4, and upper lock sleeve 3 is with
Inclined-plane is set on check lock lever 8, upper bracket core retainer plate 4 and lower carriage core retainer plate 9 can following check lock lever 8 be that axle rotates；Referring to Fig. 2 and Fig. 3,
Universal retention arm has two, includes locking push rod 10, steel ball 12, steel ball connecting rod 13, top stem casing 06, steel ball set 7 and lock respectively
Tight ball support 11, locking push rod 10 pass through top stem casing 6, and the one end of top stem casing 6 is connected with the upper bracket core retainer plate 4 or lower carriage core retainer plate 9,
The other end of top stem casing 6 is connected with steel ball set 7, and locking one end of push rod 10 connects with the inclined-plane of upper lock sleeve 3 or the inclined-plane of lower check lock lever 8
Touch, the end thereof contacts of the locking other end of push rod 10 and the lock ball support 11, the other end of the lock ball support 11 is into cancave cambered surface
And contacted with steel ball 12, the steel ball 12 is connected with the one end of steel ball connecting rod 13；The alveolus maintenance pin includes alveolus maintenance block
14 and alveolus angle 15, the alveolus maintenance pin be connected with the other end of steel ball connecting rod 13.
The lower check lock lever 8 is threadedly coupled with lock nut 1, is locked by rotary handle 2 or is unclamped lock sleeve 3, together
When lock or loosen the connected universal retention arm in both sides, so as to play a part of fixed mandibular stump relative position.When tightening up
During lock nut 1, lower check lock lever 8 above carries, and upper lock sleeve 3 pushes.During rotary handle 2, upper lock sleeve 3 and lower check lock lever 8 can only
Do relative motion up and down, it is impossible to rotate.
When universal retention arm is active, locking one end of push rod 10 and the contact of incline plane of upper lock sleeve 3, another lock
One end of bar and the contact of incline plane of lower check lock lever 8 are pressed closer, the other end of push rod 10 is now locked and is unclamped with lock ball support 11, steel ball 12
Unclamped between lock ball support 11 and steel ball set 7；The upper-lower position of the upper lock sleeve 3 of the regulation of rotary handle 2, when tightening up lock nut
When 1, lower check lock lever 8 above carries, and upper lock sleeve 3 pushes, and locking push rod 10 one end is ejected inclined-plane, upper lock sleeve 3 and lower check lock lever 8
Locking push rod 10 one end is withstood, while lock ball support 11 is ejected outward and steel ball 12 is locked in steel ball set 7, locking
Universal retention arm.The structure controls for simple joint, good operability, more flexibly, so as to be more beneficial for being operated in art.
Lock push rod 10 can following check lock lever 8 be axle, lock the planar horizontal that is formed respectively of push rod 10 along both sides and move
360 degree, and steel ball 12 can be by the free movement 180 degree sphere of steel ball connecting rod 13, so as to play a part of " universal ".
As a preferred embodiment, the inclined-plane on the upper lock sleeve 3 and lower check lock lever 8 is groove, the size of groove
It is able to accommodate locking push rod 10 end, and check lock lever 8 above carries and when upper lock sleeve 3 pushes instantly, locking push rod 10 end can be light
Pine ejection groove, upper lock sleeve 3 and lower check lock lever 8 withstand locking push rod 10 end.
As a preferred embodiment, the steel ball covers 7 end set steel ball sets and gets rid of cap 5, more preferable stationary balls set
Position.
As a preferred embodiment, the alveolus maintenance pin also includes fixed screw 16, and alveolus maintenance block 14 passes through solid
Determine screw 16 to be connected with alveolus angle 15.Alveolus maintenance block can separate with fixed bridge main body, by four holes by alveolus angle
Mandibular stump is fixed on, facilitates and is operated in the art of patient, and alveolus maintenance block and mandibular contact surface are zigzag, so as to increase
Add its stability.
As a preferred embodiment, the alveolus maintenance block 14 and mandibular bone face contact position are zigzag, are added
Reinforcing retention stability.
As a preferred embodiment, the outer fixed bridge of mandibular is made up of 16 parts of label in Fig. 2, each part dimension
It is as follows respectively：
Lock nut：A diameter of 10mm, also an internal thread M5 hole, trans D are 4mm through hole；
Handle：Handle diameters are 4mm；
Upper lock sleeve：External diameter is 10mm, diameter of bore 5mm；
Upper bracket core retainer plate：Through-hole diameter is 10mm, right-hand member a diameter of 7mm and 5.4mm step；
Steel ball set gets rid of cap：Bottom diameter is 14mm, and upper end is M11mm major diameter of thread；
Top cover bar：External diameter 10mm, hole section external diameter footpath 7.5mm, internal diameter 5mm；
Steel ball set：External diameter 14mm, diameter of bore 10mm, end edge radius are 5mm ball；
Lower lock sleeve：Big footpath is 10mm, and path 5.5mm, end edge is M5 screw thread；
Lower carriage core retainer plate：The a diameter of 14mm of upper end hole, lower stomidium are 8.5mm, and left end is 7mm and 5.4mm stepped hole；
Lock push rod：A diameter of 5mm；
Lock ball support：The a diameter of 5mm of left end, a diameter of 10mm of right-hand member, ball radius are 5mm；
Steel ball：Steel ball radius is 5mm, and has a diameter of 3.5mm hole, hole depth 7mm；
Steel ball connecting rod：A diameter of 6mm, upper end diameter 4mm, lower end diameter 3.5mm；
Alveolus maintenance block：Four pore radius are 2.5mm, and intermediate thread pore radius is M2.5mm, total high 11mm, pitch of holes water
Square to 15mm, vertical direction 6mm；
Alveolus angle：Left hole a diameter of 4mm, hole depth 6mm, external diameter 6mm, M2.5 screwed hole are ined succession a diameter of
3mm hole；
Fixed screw：Bottom is M2.5mm screw thread, and profile is the knob of plum blossom-shaped.
Described above is only the preferred embodiment of the present invention, it is noted that realizes that bilateral mandibular stump fixes presence
A variety of methods, on the premise of this patent general principle is not departed from, part outward appearance etc. can also be changed by replacing operation element
A variety of methods produce the outer fixed bridge of mandibular, and these changes also should be regarded as protection scope of the present invention.
Claims (7)
1. the outer fixed bridge of mandibular, it is characterised in that the outer fixed bridge of the mandibular by central locking mechanism, universal retention arm and
Alveolus maintenance pin form, the central locking mechanism include lock nut, upper lock sleeve, lower check lock lever, upper bracket core retainer plate and under
Support core retainer plate, the lower check lock lever sequentially pass through lower carriage core retainer plate, upper lock sleeve and upper bracket core retainer plate, and the upper lock sleeve is with
Inclined-plane is set on check lock lever, the upper bracket core retainer plate and lower carriage core retainer plate can following check lock lever be that axle rotates；The universal maintenance
Arm has two, includes locking push rod, steel ball, steel ball connecting rod, top stem casing, steel ball set and lock ball support, the locking top respectively
Bar passes through top stem casing, and described top stem casing one end is connected with the upper bracket core retainer plate or lower carriage core retainer plate, the top stem casing other end
Cover and connect with steel ball, described locking push rod one end and the inclined-plane of upper lock sleeve or the contact of incline plane of lower check lock lever, the locking top
The bar other end and the end thereof contacts of lock ball support, the other end of the lock ball support contact into cancave cambered surface and with steel ball, the steel
Ball is connected with steel ball connecting rod one end；The alveolus maintenance pin includes alveolus maintenance block and alveolus angle, the alveolus maintenance
Pin is connected with the steel ball connecting rod other end.
2. the outer fixed bridge of mandibular according to claim 1, it is characterised in that handle is set on the lock nut.
3. the outer fixed bridge of mandibular according to claim 1, it is characterised in that the lower check lock lever and lock nut screw thread
Connection, when tightening up lock nut, lower check lock lever above carries, and upper lock sleeve pushes.
4. the outer fixed bridge of mandibular according to claim 1, it is characterised in that on the upper lock sleeve and lower check lock lever
Inclined-plane is groove.
5. the outer fixed bridge of mandibular according to claim 1, it is characterised in that the steel ball set end set steel ball set is got rid of
Cap.
6. the outer fixed bridge of mandibular according to claim 1, it is characterised in that the alveolus maintenance pin also includes fixed spiral shell
Silk, alveolus maintenance block are connected by fixed screw with alveolus angle.
7. the outer fixed bridge of mandibular according to claim 1, it is characterised in that the alveolus maintenance block and mandibular bone face
Contact position is zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510996671.2A CN105476703B (en) | 2015-12-25 | 2015-12-25 | The outer fixed bridge of mandibular |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510996671.2A CN105476703B (en) | 2015-12-25 | 2015-12-25 | The outer fixed bridge of mandibular |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105476703A CN105476703A (en) | 2016-04-13 |
| CN105476703B true CN105476703B (en) | 2018-02-06 |
Family
ID=55664229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510996671.2A Expired - Fee Related CN105476703B (en) | 2015-12-25 | 2015-12-25 | The outer fixed bridge of mandibular |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105476703B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960303A (en) * | 2018-09-30 | 2020-04-07 | 上海交通大学医学院附属第九人民医院 | Mandibular bone external fixation device with navigation function |
| CN111473224B (en) | 2019-01-23 | 2021-06-25 | 苏州心擎医疗技术有限公司 | Support arm device for supporting medical instrument |
| CN112641495B (en) * | 2020-11-12 | 2022-02-08 | 南京医科大学附属口腔医院 | Recording, positioning and recovering device for position relation of condyle process in mandibular branch sagittal dissection operation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306150A (en) * | 1992-08-04 | 1994-04-26 | Gittleman Neal B | Dental ramus implant |
| DE50102514D1 (en) * | 2000-04-20 | 2004-07-15 | Albino Triaca | Device for expanding the palate |
| CN200960192Y (en) * | 2006-10-13 | 2007-10-17 | 上海市东方医院 | Mandibular two-dimensional retractor |
| JP2012517246A (en) * | 2009-02-04 | 2012-08-02 | ミッド コーポレーション | System, method and apparatus for performing dental implants |
| CN205433857U (en) * | 2015-12-25 | 2016-08-10 | 上海景堂医疗器械有限公司 | Lower jaw external fixation bridge |
-
2015
- 2015-12-25 CN CN201510996671.2A patent/CN105476703B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN105476703A (en) | 2016-04-13 |
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