CN201171708Y - Mandible built-in arced pull-type distraction osteogenesis device - Google Patents
Mandible built-in arced pull-type distraction osteogenesis device Download PDFInfo
- Publication number
- CN201171708Y CN201171708Y CNU2007203094720U CN200720309472U CN201171708Y CN 201171708 Y CN201171708 Y CN 201171708Y CN U2007203094720 U CNU2007203094720 U CN U2007203094720U CN 200720309472 U CN200720309472 U CN 200720309472U CN 201171708 Y CN201171708 Y CN 201171708Y
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- screw rod
- bone
- fairlead
- afterburning
- distraction osteogenesis
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Abstract
The utility model provides a mandible internal type cambered towing type distraction osteogenesis implement, which is characterized in that the distraction osteogenesis implement is provided with a cambered track board which is fixedly arranged on two lateral surfaces of the mandible, two hollow eduction tubes which extend outwards are relatively arranged on the cambered track board, a hollow augmented screw which can only move axially is embedded in each eduction tube, and an augmented nut is snailed on an ugmented screw; two bone transfer dish fixed splints are arranged at the lateral side of the cambered track board between the two eduction tubes, and the two bone transfer dish fixed splints are respectively fixedly connected with the two bone transfer dishes arranged inside the cambered track board; the distraction osteogenesis implement is provided with two towing steel wires, one end of which is fixedly arranged on the bone transfer dish fixed splint arranged at one side, after penetrating through the eduction tube, the towing steel wires pass through the hollow hole of the augmented screw, and the other end of the towing steel wires is fixedly arranged on the augmented screw. The distraction osteogenesis implement has simple structure, convenient implantation and simple and easy clinic operation, and is a distraction osteogenesis implement which can effectively repair mandible defects.
Description
Affiliated technical field
This utility model relates to a kind of medical apparatus and instruments, particularly a kind of distraction osteogenesis device that is used for Oral and Maxillofacial Surgery.
Background technology
At present the damaged patient of mandibular bone chin portion is a lot, and many superventions are in wound, tumor resection postoperative, and it brings very serious dysfunction and appearance damage to the patient.The method of repairing is a lot, comprise artificial material insert, from the implantation of body bone, distraction osteogenesis etc., because artificial material is inserted with bone and is implanted not only operation complexity, increased wound for the district, also there is the risk of bone graft infection and necrosis in postoperative, even transplant successfully, also far apart with the reconstruction of truly mandibular bone chin portion's form and function, be unfavorable for later stage artificial tooth reparation.Comparatively speaking distraction osteogenesis has many good qualities good development prospect.
Because mandibular bone is bow-shaped structural, chin portion bone has unique appearance, need realize mandibular bone chin portion stretching arc skeletonization with the reparation of distraction osteogenesis method.Existing stretching device mostly is by hard screw rod and promotes the bone transfer dish along the direction straight line skeletonization that promotes, and is difficult to reach the special profile of reparation mandibular bone chin portion.There is the scholar this to be done improvement, as use adjustable many planes stretch device that three focus distraction osteogenesis art designs go out, it is damaged that the inside the place ahead of bilateral transfer dish is slowly moved to repair mandibular bone chin portion, this project organization complexity, volume is big, be external, operation easier is big, and clinical practice is had any problem.
Summary of the invention
This utility model provides a kind of mandibular bone built-in arc-shaped towed distraction osteogenesis device, its objective is to solve the prior art problem, provides a kind of simple in structure, inserts conveniently, and clinical manipulation is simple and easy to do, repairs the damaged effective distraction osteogenesis device of mandibular bone chin portion.
This utility model technical scheme that adopts of dealing with problems is:
The built-in arc-shaped towed distraction osteogenesis device of mandibular bone, it is characterized in that: have a curved track guidance tape that is fixedly arranged on mandibular bone two lateral surface, be provided with the fairlead of two hollows that extend outwardly on the curved track guidance tape relatively, be embedded with in the fairlead one only can axially movable hollow afterburning screw rod, spiral shell is provided with afterburning nut on the afterburning screw rod; The outside of the curved track guidance tape between two fairleads has two bone transfer dish straps, and two bone transfer dish straps are connected with two bone transfer dish that are positioned at curved track guidance tape inboard respectively; Have two traction steel wires, an end of traction steel wire is fixedly arranged on the bone transfer dish strap of a side, and traction steel wire penetrates the hollow hole that passes afterburning screw rod behind the fairlead, and the other end of traction steel wire is fixedly arranged on afterburning screw rod.
One end of traction steel wire is fixedly arranged on the bone transfer dish strap of a side, traction steel wire arrives the medial surface of curved track guidance tape by the fixed hole of curved track guidance tape center, set aperture is drawn on the curved track guidance tape of offside, pass the medial surface of the bone transfer dish strap of offside, pass the set horizontal aperture that communicates with the fairlead hollow hole of fairlead root and enter the fairlead hollow bulb, pass the hollow bulb of afterburning screw rod, and the other end is fixedly arranged on afterburning screw rod.
Afterburning screw rod end is provided with the transverse holes that communicates with the hollow hole of afterburning screw rod, and winding was fixedly arranged on afterburning screw rod after traction steel wire was drawn afterburning screw rod by the hollow hole of afterburning screw rod through above-mentioned transverse holes, and afterburning screw rod end spiral shell is provided with protective sleeve.
Fairlead is a flat tube, and it is corresponding with the flat side of fairlead that afterburning screw rod is provided with two flat sides of correspondence.
Be arranged with energizing spring on the afterburning screw rod, an end of energizing spring is resisted against the fairlead top, and the other end is resisted against afterburning nut.
The beneficial effects of the utility model are: simple in structure and effective, clinical manipulation is easy, only need the afterburning nut of rotation, afterburning screw rod outwards moves, and traction steel wire can drive bone transfer dish strap and drive the mandibular bone transfer dish and move to along the curved track guidance tape and reach predetermined position; Draw the flat tube changeable angle, so that place lower jaw rear lower shelter according to patient's concrete condition, the patient takes like a shot during clinical practice; Energizing spring can make the discontinuity traction become the traction of continuous gentleness; Adjustability is strong, and hauling distance is unrestricted, can repeatedly adjust the fixed position of traction steel wire on afterburning screw rod, and the bone transfer dish is moved along the curved track guidance tape, reaches the skeletonization amount and the length that need; The curved track guidance tape can curve the shape of needs according to mandibular bone body, chin portion profile, and it is very convenient to be applied to arc human lower jawbone; The curved track guidance tape has the function of mandibular bone excision back reconstruction plate concurrently, and it is constant to replace reconstruction plate to keep the three-dimensional space position of both sides mandibular bone, and the both sides remporomandibular joint is not almost had any infringement; Because the three focus distraction osteogenesis technology of employing, bone formation rate is fast, is the twice of single focus, bifocus distraction osteogenesis speed; All advantages with existing distraction osteogenesis device distraction osteogenesis technology, and the stretching process dens in dente relation of closing is stable.
Description of drawings
Fig. 1 is this utility model STRUCTURE DECOMPOSITION sketch map;
Fig. 2 is user mode 1 sketch map 1 of the present utility model;
Fig. 3 is this utility model user mode 1 axonometric chart;
Fig. 4 is this utility model user mode 2 sketch maps;
Fig. 5 is this utility model bone transfer dish strap position structural representation.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and instantiation.
As Fig. 1, Fig. 2, shown in Figure 3, the chin portion of mandibular bone 100 is damaged, bend a curved track guidance tape 1 according to mandibular bone 100 chin portions, body shape, requirement by existing conventional distraction osteogenesis, the row sacrotomy, curved track guidance tape 1 is fixedly arranged on 100 liang of lateral surface of mandibular bone with fixed screw 11, be provided with the fairlead 2 of two hollows that extend outwardly on the curved track guidance tape 1 relatively, the hollow bulb root of fairlead 2 is provided with the horizontal aperture 20 that communicates with fairlead 2 hollow holes, and laterally aperture 20 is positioned at the outside of curved track guidance tape 1; Fairlead 2 is a flat tube, be embedded with the afterburning screw rod 3 of hollow in the fairlead 2, it is threadless flat side that afterburning screw rod 3 has two corresponding side surface, this two flat side is corresponding with two flat sides of fairlead, so, afterburning screw rod 3 only can move axially (cooperate with spline, keyway also can reach effect same, but the flat lateral fit system of flat tube and screw rod being the easiest) in fairlead 2; Spiral shell is provided with afterburning nut 4 on the afterburning screw rod 3; Be arranged with energizing spring 5 on the afterburning screw rod 3, an end of energizing spring 5 is resisted against fairlead 2 tops, and the other end is resisted against afterburning nut 4 medial surface.The top ends of afterburning screw rod 3 also spiral shell is provided with protective sleeve 31 with prevention infection.
The outside of the curved track guidance tape 1 between two fairleads 2 has two " Ω " type bone transfer dish straps 6, two bone transfer dish straps 6 are connected with screw with two bone transfer dish 101 that are positioned at curved track guidance tape 1 inboard respectively, and (the bone transfer dish is the ossiculum section that has soft tissue and blood confession that make in the outside, mandibular bone tip, because it is circular that dog mandible bone front end is point, the defeated road of bone dish should be made the shape that narrow inclined-plane, wide inboard, the outside is positioned at front end, become miter angle in theory, consider the effect on the actual live body, gradient also should strengthen 5 degree and reach 40 degree.The ossiculum section is short and small as far as possible, help the bone transfer dish and successfully slip over curved track guidance tape turnover maximum. it is just much older to be applied to the convenience that the defeated road of arc human lower jawbone bone dish slides), then the be connected integral body that forms of bone transfer dish strap 6 and bone transfer dish 101 is enclosed within on the curved track guidance tape 1 and can slides along curved track guidance tape 1.
Have two traction steel wires 7.As shown in Figure 5, get traction steel wire 7 doublings of an amount of length, aperture 60 backs that the ring 70 that the doubling end forms passes on the bone transfer dish strap 6 are sheathed so that traction steel wire 7 is fixed on the bone transfer dish strap 6 of a side with traction steel wire 7.As Fig. 1, Fig. 2, shown in Figure 3, traction steel wire 7 arrives the medial surface of curved track guidance tape 1 by the fixed hole 12 of curved track guidance tape 1 center, aperture 13 set on the curved track guidance tape 1 of offside is drawn, (traction steel wire 7 passes the medial surface of the bone transfer dish strap 6 of offside to pass the medial surface of the bone transfer dish strap 6 of offside, bone transfer dish 101 could arrive the middle part of curved track guidance tape 1 smoothly), pass the hollow bulb that the set horizontal aperture 20 that communicates with fairlead 2 hollow holes of fairlead 2 roots enters fairlead 2 again, pass the hollow bulb of afterburning screw rod 3 again.The end of afterburning screw rod 3 is provided with the transverse holes 30 that communicates with the hollow hole of afterburning screw rod 3, thereby traction steel wire 7 is drawn afterburning screw rod 3 backs by the hollow hole of afterburning screw rod 3 through above-mentioned transverse holes 30 and twined ends that are fixedly arranged on afterburning screw rod traction steel wire 7 and be fixedly arranged on afterburning screw rod 3.
More than described the situation of a traction steel wire 7, because this utility model symmetrical configuration, another root traction steel wire 7 situations are identical.
Above-mentioned part material is rustless steel, can adopt pure titanium material in order to reduce the organism rejection.
After above distraction osteogenesis device inserted, enter the stretching phase through after 5-7 days intermission, pull afterburning nut 4 so that use armed lever at the lateral special spanner 8 of hex nut sleeve pipe, afterburning nut 4 rotations are ordered about afterburning screw rod 3 and are outwards moved, pulling traction steel wire 7, the traction steel wire 7 pulling bone transfer dish straps 6 that it connected move to curved track guidance tape 1 middle part, divide every day and rotate afterburning nut 4 for several times, make bone transfer dish 101 by 6 drives of bone transfer dish strap and to curved track guidance tape 1 middle part motion stretching 1mm/ days (can set) according to patient's situation, after stretching, the gap that produces between bone transfer dish 101 and the mandibular bone 100 by osseous tissue self growth potential the new bone of regeneration takes place fills, so continue stretching, up to as shown in Figure 4, the middle part predetermined position that bone transfer dish 101 arrives curved track guidance tape 1 along curved track guidance tape 1 is mandibular bone 100 center associatings place, grow osseous tissue 200 between bone transfer dish 101 and the mandibular bone 100, grow osseous tissue 300 between two bone transfer dish 101, finishing mandibular bone 100 defect is shaped, through fixing phase several weeks, finish whole distraction osteogenesis art again.
Claims (5)
1, the built-in arc-shaped towed distraction osteogenesis device of mandibular bone, it is characterized in that: have a curved track guidance tape that is fixedly arranged on mandibular bone two lateral surface, be provided with the fairlead of two hollows that extend outwardly on the curved track guidance tape relatively, be embedded with in the fairlead one only can axially movable hollow afterburning screw rod, spiral shell is provided with afterburning nut on the afterburning screw rod; The outside of the curved track guidance tape between two fairleads has two bone transfer dish straps, and two bone transfer dish straps are connected with two bone transfer dish that are positioned at curved track guidance tape inboard respectively; Have two traction steel wires, an end of traction steel wire is fixedly arranged on the bone transfer dish strap of a side, and traction steel wire penetrates the hollow hole that passes afterburning screw rod behind the fairlead, and the other end of traction steel wire is fixedly arranged on afterburning screw rod.
2, the built-in arc-shaped towed distraction osteogenesis device of mandibular bone as claimed in claim 1, it is characterized in that: an end of traction steel wire is fixedly arranged on the bone transfer dish strap of a side, traction steel wire arrives the medial surface of curved track guidance tape by the fixed hole of curved track guidance tape center, set aperture is drawn on the curved track guidance tape of offside, pass the medial surface of the bone transfer dish strap of offside, pass the set horizontal aperture that communicates with the fairlead hollow hole of fairlead root and enter the fairlead hollow bulb, pass the hollow bulb of afterburning screw rod, and the other end is fixedly arranged on afterburning screw rod.
3, the built-in arc-shaped towed distraction osteogenesis device of mandibular bone as claimed in claim 1 or 2; it is characterized in that: afterburning screw rod end is provided with the transverse holes that communicates with the hollow hole of afterburning screw rod; winding was fixedly arranged on afterburning screw rod after traction steel wire was drawn afterburning screw rod by the hollow hole of afterburning screw rod through above-mentioned transverse holes, and afterburning screw rod end spiral shell is provided with protective sleeve.
4, the built-in arc-shaped towed distraction osteogenesis device of mandibular bone as claimed in claim 1, it is characterized in that: fairlead is a flat tube, it is corresponding with the flat side of fairlead that afterburning screw rod is provided with two flat sides of correspondence.
5, the built-in arc-shaped towed distraction osteogenesis device of mandibular bone as claimed in claim 1 is characterized in that: be arranged with energizing spring on the afterburning screw rod, an end of energizing spring is resisted against the fairlead top, and the other end is resisted against afterburning nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203094720U CN201171708Y (en) | 2007-12-26 | 2007-12-26 | Mandible built-in arced pull-type distraction osteogenesis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203094720U CN201171708Y (en) | 2007-12-26 | 2007-12-26 | Mandible built-in arced pull-type distraction osteogenesis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201171708Y true CN201171708Y (en) | 2008-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203094720U Expired - Fee Related CN201171708Y (en) | 2007-12-26 | 2007-12-26 | Mandible built-in arced pull-type distraction osteogenesis device |
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| CN (1) | CN201171708Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102858254A (en) * | 2010-04-29 | 2013-01-02 | 斯恩蒂斯有限公司 | orthognathic surgical implant |
| CN102940538A (en) * | 2012-12-06 | 2013-02-27 | 吉林大学 | Adjustable periodic mandibular protrusion pulling device |
| CN104546091A (en) * | 2014-12-25 | 2015-04-29 | 刘遵望 | Wire-type stretching bone formation device for lower jaw chin |
| US9277948B2 (en) | 2010-04-29 | 2016-03-08 | DePuy Synthes Products, Inc. | Orthognathic implant and methods of use |
| CN105935311A (en) * | 2016-06-08 | 2016-09-14 | 中国医学科学院整形外科医院 | Intraoral intermaxillary bone traction device |
| CN107106214A (en) * | 2014-11-03 | 2017-08-29 | 悠梦得公司 | Device for inducing or correcting Mandibular Growth |
-
2007
- 2007-12-26 CN CNU2007203094720U patent/CN201171708Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10080567B2 (en) | 2010-04-29 | 2018-09-25 | DePuy Synthes Products, Inc. | Orthognathic implant and method of use |
| US12433605B2 (en) | 2010-04-29 | 2025-10-07 | DePuy Synthes Products, Inc. | Orthognathic implant and methods of use |
| US9066733B2 (en) | 2010-04-29 | 2015-06-30 | DePuy Synthes Products, Inc. | Orthognathic implant and methods of use |
| CN102858254B (en) * | 2010-04-29 | 2015-11-25 | 斯恩蒂斯有限公司 | Orthognathic Implants |
| US9277948B2 (en) | 2010-04-29 | 2016-03-08 | DePuy Synthes Products, Inc. | Orthognathic implant and methods of use |
| US9381072B2 (en) | 2010-04-29 | 2016-07-05 | DePuy Synthes Products, Inc. | Orthognathic implant and methods of use |
| US11357514B2 (en) | 2010-04-29 | 2022-06-14 | DePuy Synthes Products, Inc. | Orthognathic implant and methods of use |
| CN102858254A (en) * | 2010-04-29 | 2013-01-02 | 斯恩蒂斯有限公司 | orthognathic surgical implant |
| US9855056B2 (en) | 2010-04-29 | 2018-01-02 | DePuy Synthes Products, Inc. | Orthognathic implant and methods of use |
| CN102940538A (en) * | 2012-12-06 | 2013-02-27 | 吉林大学 | Adjustable periodic mandibular protrusion pulling device |
| CN102940538B (en) * | 2012-12-06 | 2014-10-15 | 吉林大学 | Adjustable periodic mandibular protrusion pulling device |
| CN107106214A (en) * | 2014-11-03 | 2017-08-29 | 悠梦得公司 | Device for inducing or correcting Mandibular Growth |
| CN104546091A (en) * | 2014-12-25 | 2015-04-29 | 刘遵望 | Wire-type stretching bone formation device for lower jaw chin |
| CN105935311A (en) * | 2016-06-08 | 2016-09-14 | 中国医学科学院整形外科医院 | Intraoral intermaxillary bone traction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |