CN101569560B - Individualized upper jaw alveolar bone arc distraction appliance - Google Patents
Individualized upper jaw alveolar bone arc distraction appliance Download PDFInfo
- Publication number
- CN101569560B CN101569560B CN2009100223526A CN200910022352A CN101569560B CN 101569560 B CN101569560 B CN 101569560B CN 2009100223526 A CN2009100223526 A CN 2009100223526A CN 200910022352 A CN200910022352 A CN 200910022352A CN 101569560 B CN101569560 B CN 101569560B
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- guide rail
- retention plate
- alveolar bone
- distraction
- ratchet
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Abstract
The invention relates to an individualized upper jaw alveolar bone arc distraction appliance, which comprises a guide rail having same radian with a defective original alveolar bone and an extension bar integrally connected with the guide rail, wherein two ends of the guide rail are provided with a first retention plate and a second retention plate respectively; the second retention plate is connected on the guide rail through a retention arm; a movable retention plate capable of sliding along the guide rail is arranged between the first retention plate and the second retention plate; the extension bar is fixed with a distraction apparatus; the convex side of the guide rail is provided with a groove for placing a distraction wire; and one end of the distraction wire is connected with the movable retention plate, while the other end is connected with the distraction apparatus. The guide rail is designed according to the radian of the defective original alveolar bone to ensure that the movable retention plate is under distraction along the radian of the original alveolar bone, namely the distraction gap accords with the position of the original alveolar bone, and when the distractiongap is ossified, a new bone is positioned at the position of the original alveolar bone. The distraction apparatus adopts the matching of a ratchet wheel and a pawl so that the distraction process on ly moves forward but not falls back, one time of distraction can be finished by only rotating the ratchet wheel, and stress application operations are simplified.
Description
Technical field
The invention belongs to medical equipment, be specifically related to a kind of individualized upper jaw alveolar bone arc distraction appliance.
Background technology
The linear type stretching device that existing upper jaw bone stretching device mainly is an external is used for after the Le Fort osteotomy upper jaw bone being moved forward more, corrects face medial recess deformity or half side facial atrophy etc.Also having with the tooth is the stretching device of anchorage, and to be used for the treatment of hard palate damaged more, to solve the problem of velopharyngeal incompetence.After finding cheekbone load district, the stretching that cheekbone occurred being used for is grown up to be a useful person, and stresses to build the bone corbeling by the cheekbone distraction osteogenesis at defect of maxilla.Relevant alveolar bone distraction osteogenesis is rebuild the research of defect of maxilla, and also being the linear type stretching device of using finished product draws to rebuild to damaged chamber and include only the defect of maxilla of grinding one's teeth in sleep by being close to alveolar bone.But one-sided clinically at present defect of maxilla, the development of rebuilding the individuation arc-shaped distraction device of newborn alveolar bone about the alveolar bone distraction osteogenesis, on damaged former alveolar bone position does not appear in the newspapers as yet.Existing distraction osteogenesis device is non-individuation design, is difficult to be suitable for every patient, and more is difficult to be implemented in the purpose of rebuilding newborn alveolar bone by the alveolar bone distraction osteogenesis on former alveolar bone position.
Summary of the invention
The object of the present invention is to provide a kind of individualized upper jaw alveolar bone arc distraction appliance, make the newborn alveolus position of bone of stretching, for later stage implant denture reparation and the foundation of lower jaw denture are stung normally in former alveolar bone position
Relation lays the foundation.
For achieving the above object, the technical solution used in the present invention is: comprise guide rail identical with damaged former alveolar bone radian and the extension bar that is connected as a single entity with this guide rail, be respectively arranged with first retention plate and second retention plate at the two ends of guide rail, second retention plate is connected on the guide rail by retention arm, also being provided with between first retention plate and second retention plate can be along the mobile retention plate of guide rail slip, on extension bar, be fixed with traction apparatus, and on the convex surface of guide rail, offer the groove of placing traction fiber, traction fiber one end links to each other with mobile retention plate, and the other end links to each other with traction apparatus.
It is the tooth cobalt straight-chromiun stainless steel silk of 0.5mm that traction fiber of the present invention adopts diameter; Traction apparatus comprise boosting-rod and be the ratchet of one, the ratchet that matches with ratchet with boosting-rod, promote the spring that ratchet resets; The number of teeth of ratchet is 12, the section diameter that twines traction fiber on the boosting-rod is 2mm, whenever rotates boosting-rod forward one time, and promptly ratchet rotates 1 tooth forward, twine the traction fiber that the traction fiber part will be twined 0.5mm in the boosting-rod, traction fiber will drive retention plate and move forward 0.5mm along guide rail.
Guide rail of the present invention can guarantee like this that according to damaged former alveolar bone radian design mobile retention plate is pulled along former alveolar bone radian, i.e. stretching gap and former alveolar bone position consistency, and after ossify in the stretching gap, area of new bone promptly is positioned at former alveolar bone position.Traction apparatus adopts click to cooperate, and the fit structure of click makes distraction procedure can not retreat forward, only needs to rotate boosting-rod and promptly finishes once traction once, has simplified afterburning operation.Traction fiber adopts tooth with cobalt straight-chromiun stainless steel silk, can arbitrarily change lead with the variation of traction track.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention;
Fig. 2 is that amplify the part of traction fiber of the present invention in guide rail groove;
Fig. 3 a is the structural representation of traction apparatus of the present invention, and Fig. 3 b is the side view of Fig. 3 a of the present invention;
Fig. 4 is the structural representation of boosting-rod 7 of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Referring to Fig. 1, the present invention includes guide rail 4 identical and the extension bar 9 that is connected as a single entity with this guide rail with damaged former alveolar bone radian, end at guide rail 4 is provided with first retention plate 1, second retention plate 3 is arranged on the other end of guide rail 4 by retention arm 8, and these two retention plates can be fixed on the stretching device on the remaining upper jaw bone.Also being provided with between above-mentioned two retention plates can be along the mobile retention plate 2 of guide rail slip.Extension bar 9 is provided with traction apparatus 6, and offers the groove of placing traction fiber 5 at the convex surface of guide rail 4, and traction fiber one end links to each other with mobile retention plate 2, and the other end links to each other with traction apparatus.
Referring to Fig. 2, be the local enlarged diagram of traction fiber 5 of the present invention in guide rail groove.
Referring to Fig. 3 a, b, traction apparatus 6 of the present invention comprises boosting-rod 7 and is the ratchet 13 of one and the ratchet 10 that matches with ratchet 13 with boosting-rod 7, and the other end at ratchet 10 also is provided with the spring 11 that promotion ratchet 10 resets, the diameter that wherein twines traction fiber part 12 on the boosting-rod 7 is 2mm, and ratchet 13 numbers of teeth are 12.
Referring to Fig. 4, boosting-rod 7, ratchet 13 and winding traction fiber part 12 are an overall structure.The circular hole 14 that twines on the traction fiber part 12 is used for passing traction fiber 5.
It is 2mm that boosting-rod 7 twines traction fiber parts 12 diameters, and girth both had been 6.28mm, and it 1/12 both had been 0.5mm.The number of teeth of ratchet 13 is 12, therefore, whenever rotate boosting-rod 7 forward, ratchet 13 rotates 1 tooth forward, the girth that twines traction fiber part 12 on the boosting-rod rotates 1/12 forward, i.e. 0.5mm, and then traction fiber 5 is wound 0.5mm, move forward 0.5mm and traction fiber drives mobile retention plate 2, be equivalent to the bone transfer table and be pulled 0.5mm forward.
Claims (3)
1. individualized upper jaw alveolar bone arc distraction appliance, it is characterized in that: comprise guide rail (4) identical and the extension bar (9) that is connected as a single entity with this guide rail (4) with damaged former alveolar bone radian, be respectively arranged with first retention plate (1) and second retention plate (3) at the two ends of guide rail (4), second retention plate (3) is connected on the guide rail (4) by retention arm (8), also being provided with between first retention plate (1) and second retention plate (3) can be along the mobile retention plate (2) of guide rail (4) slip, on extension bar (9), be fixed with traction apparatus (6), and on the convex surface of guide rail (4), offer the groove of placing traction fiber (5), traction fiber (5) one ends link to each other with mobile retention plate (2), and the other end links to each other with traction apparatus (6).
2. individualized upper jaw alveolar bone arc distraction appliance according to claim 1 is characterized in that: it is the tooth cobalt straight-chromiun stainless steel silk of 0.5mm that said traction fiber (5) adopts diameter.
3. individualized upper jaw alveolar bone arc distraction appliance according to claim 1 is characterized in that: said traction apparatus (6) comprises boosting-rod (7) and the spring (11) that resets for the ratchet of one (13), the ratchet (10) that matches with ratchet (13), promotion ratchet (10) with boosting-rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100223526A CN101569560B (en) | 2009-05-05 | 2009-05-05 | Individualized upper jaw alveolar bone arc distraction appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100223526A CN101569560B (en) | 2009-05-05 | 2009-05-05 | Individualized upper jaw alveolar bone arc distraction appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101569560A CN101569560A (en) | 2009-11-04 |
| CN101569560B true CN101569560B (en) | 2011-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100223526A Expired - Fee Related CN101569560B (en) | 2009-05-05 | 2009-05-05 | Individualized upper jaw alveolar bone arc distraction appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101569560B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105596066B (en) * | 2016-03-09 | 2018-09-14 | 周丽斌 | A kind of track-mounted arced distractor |
| CN107669357A (en) * | 2017-11-09 | 2018-02-09 | 南京医科大学附属口腔医院 | The horizontal Distraction Apparatus of alveoli dentales mandibulae bone |
| CN108324355A (en) * | 2018-02-06 | 2018-07-27 | 南京医科大学附属口腔医院 | A kind of built-in arch distraction device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7195481B1 (en) * | 2004-01-30 | 2007-03-27 | Linck Donald W | Orthodontic distractor |
| US7252668B2 (en) * | 2000-01-17 | 2007-08-07 | Faceworks Solutions & Technology Limited | Distraction device for maxillofacial surgery |
| CN101040793A (en) * | 2006-02-14 | 2007-09-26 | 牛学刚 | Zygoma internal arced distractor |
| CN201070372Y (en) * | 2007-11-26 | 2008-06-11 | 薄斌 | Embedded type bidirectional stretching device for mandibula |
-
2009
- 2009-05-05 CN CN2009100223526A patent/CN101569560B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7252668B2 (en) * | 2000-01-17 | 2007-08-07 | Faceworks Solutions & Technology Limited | Distraction device for maxillofacial surgery |
| US7195481B1 (en) * | 2004-01-30 | 2007-03-27 | Linck Donald W | Orthodontic distractor |
| CN101040793A (en) * | 2006-02-14 | 2007-09-26 | 牛学刚 | Zygoma internal arced distractor |
| CN201070372Y (en) * | 2007-11-26 | 2008-06-11 | 薄斌 | Embedded type bidirectional stretching device for mandibula |
Non-Patent Citations (3)
| Title |
|---|
| Xue_Gang Niu et al.Multipalnar and combined distraction osteogenesis for three-dimensional and functional reconstruction of unilateral large maxillary defects.《British Journal of Oral and Maxillofacial Surgery》.2008,第47卷106-110. * |
| 牛学刚等.颧骨内置弧线式骨牵张器的研制.《口腔材料器械杂志》.2006,第15卷(第03期), * |
| 牛学刚等.颧骨弧线式牵张成骨修复部分上颌骨缺损的初步实验.《中华口腔医学杂志》.2006,第41卷(第09期), * |
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| Publication number | Publication date |
|---|---|
| CN101569560A (en) | 2009-11-04 |
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Granted publication date: 20110420 Termination date: 20130505 |