CN201070372Y - Embedded type bidirectional stretching device for mandibula - Google Patents
Embedded type bidirectional stretching device for mandibula Download PDFInfo
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- CN201070372Y CN201070372Y CNU2007201260139U CN200720126013U CN201070372Y CN 201070372 Y CN201070372 Y CN 201070372Y CN U2007201260139 U CNU2007201260139 U CN U2007201260139U CN 200720126013 U CN200720126013 U CN 200720126013U CN 201070372 Y CN201070372 Y CN 201070372Y
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Abstract
The utility model belongs to the field of oral and maxillofacial surgery instruments, in particular to a mandible built-in type two-way stretch device. The utility model is characterized in that a double fixing swing (3) can be used for connecting an upper guide way (1) and a lower guide way (4), which are in different traction directions. An upper movable swing (2) is connected in the upper guide way (1), and a lower movable swing (5) is connected in the lower guide way (4). The internal threads on the upper movable swing (2) and the lower movable swing (5) form the thread transmitting connection respectively with the external threads of an upper traction screw (9) and a lower traction screw (6). The upper traction screw (9) is connected with an upper rotating handle (11) by an upper micro-universal coupling (10); and the lower traction screw (6) is connected with a lower rotating handle (8) by a lower micro-universal coupling (7). Due to the utility model, only an osteotomy line is necessary for the body and the ascending branch traction osteogenesis of the mandible in different directions, thereby reducing the operation wound, operation difficulty, shortening the operation time, and easing the discomfort of patients.
Description
Technical field
This utility model belongs to the Oral and Maxillofacial Surgery instrument field.Particularly a kind of mandibular bone internally-arranged type reversible stretching device.
Background technology
(Distraction Osteogenesis is after cutting by bone, to use special traction apparatus DO) to the distraction osteogenesis art, and slowly tractive forms the purpose that new bone reaches the skeleton prolongation thereby make in the osteotomy gap.The distraction osteogenesis technology is the most normal to be applied to prolong mandibular bone, treats the micrognathia that all kinds of reasons cause, and can make mandibular bone prolong 10～30mm.
Being applied to clinical mandibular bone DO device the earliest is the stretch device of externally positioned type single direction, this stretching device can only prolong mandibular bone at single direction, and often there is the bone quantity not sufficient of ascending branch (vertically to) and body (level to) simultaneously in the odd-shaped patient of mandibular bone.The two-way stretching device of externally positioned type occurred,, can on both direction, prolong mandibular bone simultaneously by on mandibular bone, making two osteotomy lines (ascending branch level to vertical to) with body thereafter.The introducing of two-way externally positioned type traction apparatus has obviously increased the scope of application of mandibular bone deformity distraction osteogenesis, but the major defect of externally positioned type mandibular bone stretching device is that volume is bigger, and patient's sense of discomfort is obvious, and can leave over nonvolatil skin scar at face.The internally-arranged type stretching device of Dan Shenging has solved above problem effectively subsequently, but patient for the mandibular bone micrognathia, the internally-arranged type stretching device of using single direction does not often reach ideal therapeutic effect, then need to settle at two positions simultaneously the stretching device of different directions, this has increased operating difficulty, operation wound and operating time undoubtedly.
Summary of the invention
The purpose of this utility model provides a kind of mandibular bone internally-arranged type reversible stretching device that adapts to the patient of mandibular bone micrognathia.
The purpose of this utility model is to realize like this, design a kind of mandibular bone internally-arranged type reversible stretching device, it is characterized in that: duplex fixed-wing 3 links together the last guide way 1 and the following guide way 4 of two different leads, connects in the last guide way 1 and goes up movable wing 2; Connect movable wing 5 down in the following guide way 4, female thread on last movable wing 2 and the following movable wing 5 is in transmission connection with the external screw thread formation screw thread of last traction screw 9 and following traction screw 6 respectively, last traction screw 9 is connected with last turning handle 11 by last miniature universal coupling 10, and following traction screw 6 is connected with following turning handle 8 by following miniature universal coupling 7.
Described go up movable wing 2 and last guide way 1 and down between movable wing 5 and the following guide way 4 employing cylinder matched in clearance be connected.
The described guide way 1 of going up is " U " shapes with following guide way 4 cross sections, and last traction screw 9 and following traction screw 6 place in its " U " shape groove.
Described duplex fixed-wing 3 comprises through hole stiff end 12 and the blind hole stiff end 14 that connects arc 13, connects arc 13 two ends; Connect arc 13 two ends and bend outside arc, connection arc 13 bends a termination outside arc be through hole stiff end 12, and connection arc 13 bends another termination outside arc be blind hole stiff end 14.
Characteristics of the present utility model are: the operative treatment that it can be applied to the facial micrognathia of jaw, especially can carry out distraction osteogenesis simultaneously on mandibular bone body and ascending branch portion both direction.Mandibular bone internally-arranged type reversible stretching device adopts the duplex fixed-wing to be linked together the guide way of two different leads is organic, a movable wing respectively is installed in each guide way, the female thread on the movable wing and the external screw thread of traction screw form the screw thread transmission, traction screw is linked by miniature universal coupling and turning handle, during operation two turning handles are placed same direction (position) and rotate it, can realize that two movable wings rely on the guiding of guide way to move in different directions, thereby realization connects the stretching in different directions of all-in-one-piece jawbone with movable wing.Technique effect of the present utility model is: only need to implement an osteotomy line in operation process, can carry out the distraction osteogenesis of body and ascending branch portion different directions simultaneously to mandibular bone, can reduce operation wound, operating difficulty and operating time, alleviate patient's sense of discomfort.
Description of drawings
The utility model is described in further detail below in conjunction with the example structure sketch map.
Fig. 1 is this utility model example structure sketch map;
Fig. 2 is a duplex fixed-wing structural representation among Fig. 1.
Among the figure: 1, go up guide way; 2, go up movable wing; 3, duplex fixed-wing; 4, following guide way; 5, following movable wing; 6, following traction screw; 7, following miniature universal coupling; 8, following turning handle; 9, go up traction screw; 10, go up miniature universal coupling; 11, go up turning handle; 12, through hole stiff end; 13, connect arc; 14, blind hole stiff end.
The specific embodiment
As shown in Figure 1, last movable wing 2 and last guide way 1 and down between movable wing 5 and the following guide way 4 employing cylinder matched in clearance be connected.Go up movable wing 2 during stretching and in last guide way 1, move freely, but move freely along guide direction in the following movable wing 5 infra guide waies 4 along guide direction.Last movable wing 2 and last traction screw 9, all adopt regular screw threads to connect between movable wing 5 and the following traction screw 6 down.The rotation traction traction screw rod can make movable wing move.Last traction screw 9 and last turning handle 11 and down between traction screw 6 and the following turning handle 8 respectively the last miniature universal coupling 10 and 7 of employing connect.Can realize the stretching when stretching direction and turning handle axis are inconsistent to greatest extent.To go up guide way 1 and following guide way 4 cross sections and be processed into " U " shape, traction screw 9 and following traction screw 6 are placed in its " U " shape groove.Guide way can lead on the inner face of cylinder, can shield to traction screw again, realizes built-in screw rod traction.During use with duplex fixed-wing 3 across crossing the osteotomy line, make upper and lower guide way 1 and 4 place the both sides of osteotomy line, by screw will go up movable wing 2, movable wing 5 is fixed in bone surface down.Regulate the rotation of traction screw 9 and following traction screw 6 by rotating turning handle 11 and following turning handle 8, thereby realize that both direction prolongs the effect of distance.
As shown in Figure 2, duplex fixed-wing 3 comprises through hole stiff end 12 and the blind hole stiff end 14 that connects arc 13, connects arc 13 two ends; Connect arc 13 two ends and bend outside arc, connection arc 13 bends a termination outside arc be through hole stiff end 12, and connection arc 13 bends another termination outside arc be blind hole stiff end 14.The afterbody of through hole stiff end 12 with last guide way 1 is connected, connects the riveted joint mode that adopts.Blind hole stiff end 14 is connected with the head of following guide way 4, adopts the riveted joint mode to connect equally.Thereby the guide direction of guide way 1 and following guide way 4 is determined, and then determined two stretching directions.
Claims (4)
1. mandibular bone internally-arranged type reversible stretching device, it is characterized in that: duplex fixed-wing (3) links together the last guide way (1) and the following guide way (4) of two different leads, connects in the last guide way (1) to go up movable wing (2); Connect movable wing (5) down in the following guide way (4), female thread on last movable wing (2) and the following movable wing (5) forms screw thread with the external screw thread of last traction screw (9) and following traction screw (6) respectively and is in transmission connection, last traction screw (9) is connected with last turning handle (11) by last miniature universal coupling (10), and following traction screw (6) is connected with following turning handle (8) by following miniature universal coupling (7).
2. mandibular bone internally-arranged type reversible stretching device according to claim 1 is characterized in that: described go up movable wing (2) and last guide way (1) and down between movable wing (5) and the following guide way (4) employing cylinder matched in clearance be connected.
3. mandibular bone internally-arranged type reversible stretching device according to claim 1 is characterized in that: described upward guide way (1) and following guide way (4) cross section are " U " shapes, and last traction screw (9) and following traction screw (6) place in its " U " shape groove.
4. mandibular bone internally-arranged type reversible stretching device according to claim 1 is characterized in that: described duplex fixed-wing (3) comprises through hole stiff end (12) and the blind hole stiff end (14) that connects arc (13), connects arc (13) two ends; Connect arc (13) two ends and bend outside arc, connection arc (13) bends a termination outside arc be through hole stiff end (12), and connection arc (13) bends another termination outside arc be blind hole stiff end (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201260139U CN201070372Y (en) | 2007-11-26 | 2007-11-26 | Embedded type bidirectional stretching device for mandibula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201260139U CN201070372Y (en) | 2007-11-26 | 2007-11-26 | Embedded type bidirectional stretching device for mandibula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201070372Y true CN201070372Y (en) | 2008-06-11 |
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ID=39548928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201260139U Expired - Fee Related CN201070372Y (en) | 2007-11-26 | 2007-11-26 | Embedded type bidirectional stretching device for mandibula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201070372Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380247B (en) * | 2008-09-28 | 2010-10-13 | 中国人民解放军第四军医大学 | Built-in inferior maxilla two-dimension stretch device |
| CN101658440B (en) * | 2008-08-25 | 2010-10-20 | 中国人民解放军第四军医大学 | Built-in arc-shaped distraction osteogenesis device |
| CN101569560B (en) * | 2009-05-05 | 2011-04-20 | 中国人民解放军第四军医大学口腔医院 | Individualized upper jaw alveolar bone arc distraction appliance |
| CN106725715A (en) * | 2017-01-03 | 2017-05-31 | 南京医科大学附属口腔医院 | A kind of adjustable maxilla bone cutting positioner of thickness |
| CN107736915A (en) * | 2017-12-01 | 2018-02-27 | 吉林大学 | LeFort I type osteotomy maxilla moves precise localizer |
| CN112971958A (en) * | 2020-12-29 | 2021-06-18 | 宁波慈北医疗器械有限公司 | External mandible tractor |
-
2007
- 2007-11-26 CN CNU2007201260139U patent/CN201070372Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658440B (en) * | 2008-08-25 | 2010-10-20 | 中国人民解放军第四军医大学 | Built-in arc-shaped distraction osteogenesis device |
| CN101380247B (en) * | 2008-09-28 | 2010-10-13 | 中国人民解放军第四军医大学 | Built-in inferior maxilla two-dimension stretch device |
| CN101569560B (en) * | 2009-05-05 | 2011-04-20 | 中国人民解放军第四军医大学口腔医院 | Individualized upper jaw alveolar bone arc distraction appliance |
| CN106725715A (en) * | 2017-01-03 | 2017-05-31 | 南京医科大学附属口腔医院 | A kind of adjustable maxilla bone cutting positioner of thickness |
| CN106725715B (en) * | 2017-01-03 | 2019-04-16 | 南京医科大学附属口腔医院 | A kind of adjustable maxilla bone cutting positioner of thickness |
| CN107736915A (en) * | 2017-12-01 | 2018-02-27 | 吉林大学 | LeFort I type osteotomy maxilla moves precise localizer |
| CN107736915B (en) * | 2017-12-01 | 2020-06-02 | 吉林大学 | LeFort I type cuts bone maxilla and removes accurate positioning ware |
| CN112971958A (en) * | 2020-12-29 | 2021-06-18 | 宁波慈北医疗器械有限公司 | External mandible tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20091228 |