CN200942115Y - Mandibular defect reconstruction stretch device - Google Patents

Mandibular defect reconstruction stretch device Download PDF

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Publication number
CN200942115Y
CN200942115Y CN 200620035425 CN200620035425U CN200942115Y CN 200942115 Y CN200942115 Y CN 200942115Y CN 200620035425 CN200620035425 CN 200620035425 CN 200620035425 U CN200620035425 U CN 200620035425U CN 200942115 Y CN200942115 Y CN 200942115Y
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CN
China
Prior art keywords
adjusting screw
rod
laterally steering
stretch device
spiral
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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.)
Expired - Fee Related
Application number
CN 200620035425
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Chinese (zh)
Inventor
胡静
李继华
应彬彬
廖运茂
王大章
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WEST CHINA COLLEGE OF STOMATOLOGY SICHUAN UNIVERSITY
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WEST CHINA COLLEGE OF STOMATOLOGY SICHUAN UNIVERSITY
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Priority to CN 200620035425 priority Critical patent/CN200942115Y/en
Application granted granted Critical
Publication of CN200942115Y publication Critical patent/CN200942115Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a device for correcting and stretching mandibular defects. The device's support structure comprises the first horizontal guide structure as well as a vertical guide structure which is perpendicularly joined to a positioning structure. On the positioning structure is the first adjusting screw, which is parallel to the first horizontal guide structure and has forward and reverse helical structures at both sides, completed by the first removable adjusting structure which is provided with a fixation splint. Besides, the positioned structure also has a vertical adjusting screw which is parallel to the vertical guide structure and matches the helix of the movable unit. The movable unit is also provided with the second horizontal guide structure and the second adjusting screw which has forward and reverse helical structures at both sides. On each side of the movable unit is provided a second adjusting structure with a fixation splint, which, thanks to the joint work of a helical structure and the second adjusting screw, can move along the second horizontal guide structure. The utility model is simple in structure, stable and precise in correcting mandibular defects, and adjustable in two dimensions, and easy and convenient to use.

Description

Mandibular defect reduction stretch device
Technical field
This utility model relates to a kind of device of using distraction osteogenesis technology reduction mandibular defect.
Background technology
The damaged outer tumor post-operations that injure that are secondary to of lower jaw chin portion, it brings very serious dysfunction and appearance to damage to the patient, is one of challenging reduction difficult problem of tool in the Oral and Maxillofacial Surgery field more.Use traditional remedies such as the bone transplanting complexity of not only performing the operation, increased the wound for the district, also there is the risk of bone graft infection and necrosis in postoperative; Even graft survives, also go far away mutually with truly form and reconstruction.
(Distraction Osteogenasis, DO) technology is applied to craniomaxillofacial surgery and has brought new hope for this type of complicated damaged reduction the distraction osteogenesis of rising in recent years.But because mandibular bone is the more special arc irregular bone of form, the unique profile that has of chin portion in addition makes with the damaged still suitable difficulty of DO technology reduction chin portion bone.Owing to lack suitable stretch device, so this technology is in that to be used for reconstruction chin portion bone still unsatisfactory when damaged.Though using oral stretching apparatus is the developing direction of DO technology, wanting that reduction chin portion is damaged at present can only be by mouth stretching device outward, and simple unidirectional orthoscopic stretching device obviously can not meet the requirements.
In the present existing report, American scholar Annino use arc stretching device successfully reduction dog lower jaw chin portion bone damaged, Japan scholar Sawaki has carried out the clinical trial of the damaged reduction of chin portion bone behind lower jaw tumor post-operation and the firearm injury with arc mask formula stretch device, though obtain initial success, but exist the stretching body long-pending huge, can only single direction move and shortcoming such as not attractive in appearance.
The utility model content
In view of the foregoing, it is a kind of simple in structure that this utility model will provide, reliable and stable during use, degree of accuracy is high, and two-dimensional adjustable, flexible mandibular bone reduction stretch device.
Mandibular bone reduction stretch device of the present utility model, its structure be in a supporting structure, be provided with the first laterally steering structure and, through the longitudinally guiding structure that the structure that is located by connecting of its go-and-retum is connected with its quadrature, on the longitudinally guiding structure, also be provided with a cell cube movably, and:
A. on this is located by connecting structure, with the first laterally steering parallelism structural be provided with one and have first adjusting screw(rod) of forward and reverse helical structure respectively in axial both sides, the helical structure position of its both sides cooperates through spiral respectively and is provided with one and can moves back and forth and have first of strap structure along the first laterally steering structure and regulate moving structure.By just/this first adjusting screw(rod) of reverse rotation, can make this that have the strap structure first regulate moving structure in reciprocal the moving and adjusting of the both side ends catch cropping of said be located by connecting structure and first adjusting screw(rod).
B. on this is located by connecting structure, with the longitudinally guiding parallelism structural be provided with a vertical adjusting screw(rod), said removable cell cube spiral be matched with on vertical adjusting screw(rod) and longitudinally guide frame move back and forth.By just/this vertical adjusting screw(rod) of reverse rotation, this removable cell cube can be in said be located by connecting structure and vertically reciprocal the moving and regulating of end catch cropping of adjusting screw(rod).
C. on said removable cell cube, be respectively equipped with the second laterally steering structure and parallel and axial both sides with it and have second adjusting screw(rod) of forward and reverse helical structure respectively, respectively be provided with one in its both sides and cooperate as spiral with second adjusting screw(rod) and can move back and forth and also have second of strap structure along the second laterally steering structure and regulate moving structure through helical structure.By just/this second adjusting screw(rod) of reverse rotation, can make this that also have the strap structure second regulate moving structure in reciprocal the moving and adjusting of the both side ends catch cropping of said removable cell cube and second adjusting screw(rod).
In the said structure said each to the guiding structure, can be versions such as guide post commonly used, guided way, the structure that the removable frame that is directed to then can adapt start with it is connected.
The mandibular bone reduction stretch device of said structure form in use, said this first regulated moving structure and is used for positioning and fixing at the rear of both sides mandibular bone, and through its with the strap structure and the suitable position of mandibular bone fix.By its forward and reverse helical structure, it is done in opposite directions or rightabout moving, along the first laterally steering structure to adapt to the needs of adjusting different horizontal spacings between the mandibular bone fixed bit of both sides with the axial both sides of first adjusting screw(rod) that cooperated.Be arranged on this second adjusting moving structure of the second laterally steering structure and the second adjusting screw(rod) both sides with the same manner, by its with the strap structure with the both sides mandibular bone suitable position that need do the reduction stretching fixing after, except that also having same horizontal spacing regulatory function, because it is to be set at the orthogonal longitudinally guiding structure of the first laterally steering structure with vertically on the adjusting screw(rod), thereby on the mobile unit body that longitudinally guide frame moves back and forth, be appreciated that, this have a strap structure this second regulate moving structure and be actually and can in by the two dimensional surface at horizontal and vertical guide frame place, move and adjust the position arbitrarily, so can satisfy well mandibular bone is carried out the stretching needs that shaping resets.
On the basis of said structure, for structure is more simplified, the form of the T shape supporting structure that said this supporting structure can be directly constitutes for the longitudinally guiding structure that is connected with its quadrature by the said first laterally steering structure and the structure that is located by connecting through its middle part.
In the said structure said this longitudinally guiding structure and vertically adjusting screw(rod) except that adopting through the mode of assembling that additional suitable accessory carries out or assembling is connected, more easy mode can be shown in a specific embodiment, adopts with the connection that cooperatively interacts of the parallel mode that runs through this mobile unit body.Said first adjusting screw(rod) and the first laterally steering structure, and/or said second adjusting screw(rod) and the second laterally steering structure equally also can adopt the parallel mode that runs through corresponding adjusting moving structure to make its connection that cooperatively interacts.
When the position adjustments that realizes making the mobile unit body that cooperates in a spiral manner on vertical adjusting screw(rod) that it was connected, can adopt multiple mode commonly used at present.Wherein be to adopt as one shown in can the embodiment of reference comparatively easily, but this vertical adjusting screw(rod) is connected with the said structure that is located by connecting in the mode of position rotating, and be provided with the rotary manipulation structure in its end face area, as end of given shapes such as " one " shape groove or square, triangle etc.Rotate this adjusting screw(rod) by instruments such as " one " word screwdriver commonly used or corresponding special spanners, can change and adjust position with its mobile unit body that cooperates as spiral.
Realizing making first to regulate the adjusting of moving structure at first adjusting screw(rod) that it was connected, and/or realize making second to regulate moving structure when the adjusting of second adjusting screw(rod) that it was connected, but equally also can adopt above-mentioned corresponding adjusting screw(rod) to be matched with on said be located by connecting structure or the said mobile unit body in the mode of position rotating, and be provided with this easier version of rotary manipulation structure in its corresponding end face area.
The mandibular bone reduction stretch device of the above-mentioned form of this utility model can successfully be positioned under the chin, and flexible and convenient operation, and two-dimensional adjustable can adapt to well and satisfy mandibular bone is carried out the stretching needs that shaping resets.Compare with present arc mask formula stretching dress device, not only simple in structure, small and hidden can also accurately be regulated according to mandibular bone form and geometrical calculation result, and is reliable and stable.
Below in conjunction with the specific embodiment of accompanying drawing illustrated embodiment, foregoing of the present utility model is described in further detail again.But this should be interpreted as that the scope of the above-mentioned theme of this utility model only limits to following example.Do not breaking away under the above-mentioned technological thought situation of this utility model, various replacements or change according to ordinary skill knowledge and customary means are made all should be included in the scope of the present utility model.
Description of drawings
Fig. 1 is the structural representation of the positive surface state of a kind of mandibular defect reduction of this utility model stretch device.
Fig. 2 is the structural representation of the side-looking state of Fig. 1.
Fig. 3 is a kind of user mode sketch map of mandibular defect reduction stretch device shown in Figure 1.
Fig. 4 is the another kind of user mode sketch map of mandibular defect reduction stretch device shown in Figure 1.
The specific embodiment
At mandibular bone reduction stretch device as depicted in figs. 1 and 2, be one by one group of first laterally steering structure 4 that is arranged in parallel and first adjusting screw(rod) 3 the structure 2 that is located by connecting through its middle part, longitudinally guiding structure 6 that be arranged in parallel with its mutually orthogonal another group that is connected and the vertical T shape supporting structure that constituted of adjusting screw(rod) 5, and the longitudinally guiding structure 6 that can make position rotating constitutes, and its end face portion offers and is used to handle " one " the font groove of its rotation or the rotary manipulation structure 12 of other appropriate format.Longitudinally guiding structure 6 with vertically be provided with a mobile unit body 10 in the parallel mode that runs through on the adjusting screw(rod) 5, it is connected with spiral with vertical adjusting screw(rod) 5, thereby, this mobile unit body 1 is moved back and forth along parallel longitudinally guiding structure 6 by these vertical adjusting screw(rod) 5 these vertical adjusting screw(rod)s 5 of rotation adjusting.
On this structure 2 that is located by connecting of T shape supporting structure, being provided with one abreast with the first laterally steering structure 4 can be located by connecting and make first adjusting screw(rod) 3 of position rotating on the structure 2, its both sides that are positioned at the structure 2 that is located by connecting have forward and reverse helical structures such as screw thread respectively, offer in its end face portion to be used to handle " one " the font groove of its rotation or the rotary manipulation structure 12 of other appropriate format.Two ends at the first laterally steering structure 4 and first adjusting screw(rod) 3 respectively are provided with first an adjusting moving structure 1 that has strap structure 11 to run through mode respectively, itself and first adjusting screw(rod) 3 are connected with corresponding helical structure respectively, thereby by rotating adjusting first adjusting screw(rod) 3, this first adjusting moving structure 1 that has strap structure 11 is moved back and forth along the first parallel laterally steering structure 4, realize change and adjustment its horizontal spacing.
On this mobile unit body 10 with the mode parallel with the above-mentioned first laterally steering structure 4 be provided with one group of second laterally steering structure 7 and axially both sides also have forward and reverse helical structure respectively, and can on mobile unit body 10, make second adjusting screw(rod) 9 of position rotating.The end face portion of second adjusting screw(rod) 9 also offers and is used to handle " one " the font groove of its rotation or the rotary manipulation structure 12 of other appropriate format.Respectively be provided with one second at the two ends of the second laterally steering structure 7 and second adjusting screw(rod) 9 in the above-mentioned same mode that runs through and regulate moving structure 8, itself and second adjusting screw(rod) 9 also are connected and can move back and forth along the second laterally steering structure 7 through spiral, change and regulate its horizontal spacing.Simultaneously, it can also move back and forth longitudinally with mobile unit body 10, thereby can be implemented in interior arbitrarily and accurately the regulating the position of two dimensional range in length and breadth.
Fig. 3 and shown in Figure 4 be the above-mentioned a kind of user mode of mandibular bone reduction stretch device when being laboratory animal with the monkey, a among the figure and b show respectively is its side-looking state and overlooks state.Fig. 3 is the positioning states before the reduction, and Fig. 4 is the positioning states after the reduction.In Fig. 3, at first respectively to amputation chin portion bone piece measure, draw horizontal and vertical damaged value of its mandibular bone and the damaged total length of arc, according to the stretching scheme of actual defect measured value according to the result of calculation formulation individuation of analytical geometry, and the strap structure 11 that the first adjusting moving structure 1 and second is regulated on the moving structure 8 is individually fixed in the front and back, position that mandibular bone need be done the reduction stretching.According to the stretching speed of design, respectively mobile unit body 10 is made tractive and the step-by-step operation that moving structure 8 is done compression is regulated in second of both sides then, make the second adjusting moving structure 8 realize moving: 1mm/d, each 0.5mm, 12 hours at interval along arching trajectory.Shown in Figure 4 is that mandibular bone is through the attainable final effect signal of stretching reduction.

Claims (8)

1. mandibular defect reduction stretch device, it is characterized in that in a supporting structure, being provided with the longitudinally guiding structure (6) that the first laterally steering structure (4) and the structure that is located by connecting (2) through its go-and-retum are connected with its quadrature, on longitudinally guiding structure (6), be provided with a cell cube (10) movably, and:
A. go up in the structure that is located by connecting (2) and be provided with one abreast with the first laterally steering structure (4) and have first adjusting screw(rod) (3) of forward and reverse helical structure respectively in axial both sides, the helical structure position of its both sides is provided with first an adjusting moving structure (1) that can move back and forth and have strap structure (11) along the first laterally steering structure (4) through the spiral cooperation respectively
B. go up and longitudinally guiding structure (6) is provided with a vertical adjusting screw(rod) (5) abreast in the structure that is located by connecting (2), said removable cell cube (10) spiral is matched with on vertical adjusting screw(rod) (5) longitudinally that guide frame (6) moves back and forth,
C. be respectively equipped with the second laterally steering structure (7) and parallel and axial both sides with it on the said removable cell cube (10) and have second adjusting screw(rod) (9) of forward and reverse helical structure respectively, respectively be provided with one in its both sides and cooperate to move back and forth and also to have second of strap structure (11) along the second laterally steering structure (7) as spiral with second adjusting screw(rod) (9) through helical structure and regulate moving structure (8).
2. mandibular defect reduction stretch device as claimed in claim 1 is characterized in that the T shape supporting structure of said supporting structure for longitudinally guiding structure (6) formation that is connected with its quadrature by said first laterally steering structure (4) and the structure that is located by connecting (2) through its middle part.
3. mandibular defect reduction stretch device as claimed in claim 1 is characterized in that said longitudinally guiding structure (6) and vertical adjusting screw(rod) (5) cooperatively interact in the parallel mode that runs through mobile unit body (10) to be connected.
4. mandibular defect reduction stretch device as claimed in claim 1 is characterized in that said first adjusting screw(rod) (3) and the first laterally steering structure (4) cooperatively interact and are connected in parallel first mode of regulating moving structure (1) that runs through.
5. mandibular defect reduction stretch device as claimed in claim 1 is characterized in that said second adjusting screw(rod) (9) and the second laterally steering structure (7) cooperatively interact and are connected in parallel second mode of regulating moving structure (8) that runs through.
6. as the described mandibular defect reduction of one of claim 1 to 5 stretch device, it is characterized in that said be connected with vertical adjusting screw(rod) (5) of mobile unit body (10) through spiral but be connected with the structure that is located by connecting (2) in the mode of position rotating, and be provided with rotary manipulation structure (12) in its end face area.
7. as the described mandibular defect reduction of one of claim 1 to 5 stretch device, it is characterized in that said through spiral be connected with first regulate first adjusting screw(rod) (3) of moving structure (1) but be connected on the said structure that is located by connecting (2) in the mode of position rotating, and be provided with rotary manipulation structure (12) in its end face area.
8. as the described mandibular bone reduction of one of claim 1 to 5 stretch device, it is characterized in that said through spiral be connected with second regulate second adjusting screw(rod) (9) of moving structure (8) but be matched with on the said mobile unit body (10) in the mode of position rotating, and be provided with rotary manipulation structure (12) in its end face area.
CN 200620035425 2006-08-29 2006-08-29 Mandibular defect reconstruction stretch device Expired - Fee Related CN200942115Y (en)

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Application Number Priority Date Filing Date Title
CN 200620035425 CN200942115Y (en) 2006-08-29 2006-08-29 Mandibular defect reconstruction stretch device

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Application Number Priority Date Filing Date Title
CN 200620035425 CN200942115Y (en) 2006-08-29 2006-08-29 Mandibular defect reconstruction stretch device

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CN200942115Y true CN200942115Y (en) 2007-09-05

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Cited By (8)

* Cited by examiner, † Cited by third party
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
CN102940538A (en) * 2012-12-06 2013-02-27 吉林大学 Adjustable periodic mandibular protrusion pulling device
CN106859712A (en) * 2017-03-09 2017-06-20 赵同刚 A kind of novel general surgery operation muscle pull device
CN109512475A (en) * 2017-09-18 2019-03-26 中国医药大学 Stretching adjuster for lower jaw operation
CN110269039A (en) * 2019-03-19 2019-09-24 吴敏 Rat-tail vertebra oscillator
CN110916779A (en) * 2019-12-10 2020-03-27 南京医科大学附属口腔医院 Three-dimensional accurate positioner of upper jaw bone
CN111557726A (en) * 2020-05-27 2020-08-21 南京医科大学附属口腔医院 Special three-dimensional reduction device for jaw fracture
CN114224514A (en) * 2021-12-09 2022-03-25 四川大学 Orthognathic operation locator based on intelligent control

Cited By (11)

* Cited by examiner, † Cited by third party
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
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
CN106859712A (en) * 2017-03-09 2017-06-20 赵同刚 A kind of novel general surgery operation muscle pull device
CN109512475A (en) * 2017-09-18 2019-03-26 中国医药大学 Stretching adjuster for lower jaw operation
CN110269039A (en) * 2019-03-19 2019-09-24 吴敏 Rat-tail vertebra oscillator
CN110916779A (en) * 2019-12-10 2020-03-27 南京医科大学附属口腔医院 Three-dimensional accurate positioner of upper jaw bone
CN110916779B (en) * 2019-12-10 2021-04-27 南京医科大学附属口腔医院 Three-dimensional accurate positioner of upper jaw bone
CN111557726A (en) * 2020-05-27 2020-08-21 南京医科大学附属口腔医院 Special three-dimensional reduction device for jaw fracture
CN114224514A (en) * 2021-12-09 2022-03-25 四川大学 Orthognathic operation locator based on intelligent control
CN114224514B (en) * 2021-12-09 2023-04-21 四川大学 Positioner for orthognathic surgery based on intelligent control

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070905

Termination date: 20100829