CN206453848U - A kind of lower jaw fenestration guide plate - Google Patents
A kind of lower jaw fenestration guide plate Download PDFInfo
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- CN206453848U CN206453848U CN201621245432.XU CN201621245432U CN206453848U CN 206453848 U CN206453848 U CN 206453848U CN 201621245432 U CN201621245432 U CN 201621245432U CN 206453848 U CN206453848 U CN 206453848U
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- guide plate
- lower jaw
- fenestration
- mandible
- fenestration guide
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Abstract
The utility model discloses a kind of lower jaw fenestration guide plate, the lower jaw fenestration guide plate is the thin plate with certain rolling shape, it can fit and be fixed on mandible surface, specifically include windowing portion and retainer, windowing portion fits over the osteotomy windowed regions of mandible, the edge contour in windowing portion guides fenestration operation, and retainer is connected by the non-osteotomy windowed regions with mandible, to install fixed whole lower jaw fenestration guide plate.The lower jaw fenestration guide plate that the utility model is provided, is realized in the surgical procedure that Mandible Osteotomy opens a window, and position is started in simple and quick positioning, improves the degree of accuracy of lower jaw fenestration position, reduces wound of the operation to patient.
Description
Technical field
The utility model is related to field of medical technology, and in particular to a kind of lower jaw fenestration guide plate and preparation method.
Background technology
, there is external foreign matter and enter mandible in careless manipulation or other reasons in the operation such as lower jaw tooth is pulled out
The problem of interior nervus alverlaris near zone, foreign matter is chronically at patient's nervus alverlaris near zone, will cause patient's lower tooth
The problems such as groove nerve pain and uncomfortable lower alveolus.
The larger operation of difficulty in the foreign matter cleaning always clinical treatment of nervus alverlaris near zone, in prior art
In, it can be realized by computer assisted navigation technology public in the taking-up to foreign matter, such as application for a patent for invention 201610193661.X
Open《Real-time navigation method in a kind of art of auxiliary mandibular area foreign body》；Or scheme according only to the CT in mandible region
Picture, by doctor's clinical experience in mandibular area foreign matter correspondence position, carries out osteotomy windowing, by foreign body to mandible.
Wherein, the surgical procedure complexity of foreign matter is taken out using computer assisted navigation technology, equipment cost is high-leveled and difficult with popularization；And according only to
CT images carry out osteotomy windowing by doctor's clinical experience to mandible, excessively rely on doctor's experience, and operation is uncertain
Greatly, osteotomy windowing position is easily caused on mandible inaccurate, causing mandible to lose, bone amount is big, damage is big, even
The problems such as injured patient's nervus alverlaris.
Utility model content
The utility model provides a kind of lower jaw fenestration guide plate and manufacture method, realizes the hand opened a window in Mandible Osteotomy
During art, the degree of accuracy of lower jaw fenestration position is improved in simple and quick positioning fenestration position, reduces wound of the operation to patient
Wound.
To solve the above problems, the utility model provides a kind of lower jaw fenestration guide plate, the guide plate is to be risen with certain
The thin plate of form is lied prostrate, can fit and be fixed on mandible surface, windowing portion and retainer is specifically included, windowing portion is used to fit
The osteotomy windowed regions of mandible are covered, i.e., instruct doctor to carry out osteotomy fenestration operation by the edge contour in windowing portion,
Retainer is then connected by the non-osteotomy windowed regions with mandible, to install fixed whole lower jaw fenestration guide plate.
Alternatively, the size in windowing portion is designed according to the distribution situation of foreign matter in mandible,
The edge in windowing portion is beyond foreign matter distributed areas 1.0 to 2.5mm.
Alternatively, the surface in windowing portion also carries patient's nervus alverlaris station location marker.
Alternatively, retainer carries screw hole, the screw hole is passed through by using screw, by whole lower jaw
Fenestration guide plate is fixed on mandible bone face.
Alternatively, the edge of retainer extends to mandible bone angle, edge wrap patient's lower jaw
Bone bone angle.
Alternatively, the rolling shape of lower jaw fenestration guide plate inner surface and the fluctuating in mandible bone face
Form is matched.
Alternatively, the moulding material of lower jaw fenestration guide plate is PLA.
Alternatively, lower jaw fenestration guide plate passes through three-dimensional printing technology integrated molding.
A kind of lower jaw fenestration guide plate preparation method that the utility model is provided, comprises the following steps：
The mandibular region of patient is measured, mandible regional structure data are obtained；
The structured data is imported into CASE(Computer Aided Software Engineering)；
Mandible model, nervus alverlaris model, and foreign matter in mandibular are generated using computer image technology
Model；
According to mandible model, nervus alverlaris model, and foreign matter model in mandibular, needed for determining mandible
The position for the osteotomy that opens a window and size, design the windowing portion of lower jaw fenestration guide plate；
The bone facial contour and structure for the osteotomy area peripheral edge that opened a window with reference to mandible, design consolidating for lower jaw fenestration guide plate
Position portion；
Lower jaw fenestration guide plate die type data are imported into three-dimensional printer printing shaping.
Alternatively, the mandibular region of patient is measured including：Using helical CT scanners, to suffering from
The jawbone position of person is scanned measurement.
Alternatively, the mandibular regional structure data of patient are imported into CASE(Computer Aided Software Engineering) includes：Will
The structured data is imported in CASE(Computer Aided Software Engineering) Mimics in dicom format.
Alternatively, using computer image technology generation mandible model, nervus alverlaris model,
And foreign matter model includes in mandibular：By image segmentation to the hard and soft tissue such as conical beam CT, MRI, CT imaging data point
Analysis, generates 3-dimensional digital mandible model, nervus alverlaris model, and foreign matter model in mandibular.
The utility model has the advantage of：Mandible Osteotomy windowing hand is carried out by using Mandible Osteotomy guide plate auxiliary
Art, can realize simple and quick positioning fenestration position, improve the degree of accuracy of lower jaw fenestration position, reduce Mandible Osteotomy and open
The unnecessary wound that window is caused to patient.Wherein, according to the distribution situation of foreign matter in mandible, design and produce mandibular and cut
, to 2.5mm, the minimum of bone-culting operation is realized beyond foreign matter and nervus alverlaris position 1.0 in bone conduction plate, the edge in guide plate windowing portion
Open a window osteotomy amount, it is to avoid causes mandible to lose the problem of bone amount is big；Meanwhile, identify patient's lower tooth in guide plate windowing portion
Groove nerve location and trend, it is to avoid injure patient's nervus alverlaris during osteotomy opens a window；Finally, Mandible Osteotomy guide plate
Inner surface rolling shape is matched with mandible bone face rolling shape, and guide plate retainer edge wrap patient's angle of mandible etc.
Technological means, can making Mandible Osteotomy guide plate, well stably mandible bone face is fixed in laminating, further ensure that
The degree of accuracy of lower jaw fenestration position.
Brief description of the drawings
A kind of lower jaw fenestration guide plate schematic diagram that Fig. 1 provides for the utility model embodiment；
A kind of lower jaw fenestration guide plate use state schematic diagram that Fig. 2 provides for the utility model embodiment；
A kind of lower jaw fenestration guide plate preparation method schematic flow sheet that Fig. 3 provides for the utility model embodiment.
Embodiment
With reference to the accompanying drawings and in conjunction with specific embodiments, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of lower jaw fenestration guide plate that the utility model embodiment is provided：
The guide plate is the thin plate with certain rolling shape, can fit and be fixed on mandible surface, specifically include out
Window portion 11 and retainer 12；Windowing portion 11 is used for the osteotomy windowed regions for fitting over mandible, passes through windowing portion 11
Edge contour instructs doctor to carry out osteotomy windowing, i.e. doctor using edge contour of the osteotomy instrument along guide plate windowing portion in patient
Mandibular bone face carries out osteotomy, and retainer 12 is then connected by the non-osteotomy windowed regions with mandible, installs fixation whole
Individual lower jaw fenestration guide plate.Mandible Osteotomy fenestration operation is carried out by using Mandible Osteotomy guide plate auxiliary, letter can be realized
Single quickly positioning fenestration position, improves the degree of accuracy of lower jaw fenestration position, reduces Mandible Osteotomy windowing and patient is caused
Unnecessary wound, reduction operating difficulty and operating time.
Optionally, the size in windowing portion 11 is designed according to the distribution situation of foreign matter in mandible, windowing
Portion 11 is on the basis of foreign matter distributed areas 21 are completely covered, and edge is beyond foreign matter distributed areas 1.0 to 2.5mm.Windowing portion 11
Above-mentioned size design, the osteotomy that opened a window in operation on foreign matter distributed areas periphery about 1.0 to 2.5mm can be achieved, so as to reach this
The minimum windowing osteotomy amount of technical field.
Optionally, the surface in windowing portion 11 also carries patient's nervus alverlaris station location marker 13.By on windowing portion surface
Position and the trend of the nervus alverlaris 22 of patient are identified, the nerve location of patient can be clearly judged, be prevented effectively from damage
The nervus alverlaris of patient.
Optionally, retainer 12 carries screw hole 14, and by using screw, whole lower jaw fenestration guide plate is fixed on into trouble
Person's mandibular bone face.
Optionally, the edge 15 of retainer 12 extends to mandible bone angle, and the edge wrap mandible bone
Angle.By retainer edge wrap mandible bone angle, it can effectively strengthen the retention effect of windowing guide plate, certainly, pass through
The precondition for wrapping up the maintenance scheme at mandible bone angle is mandible osteotomy windowed regions and mandible bone
Angle is closer to.When needing the region of osteotomy windowing from mandible bone angle farther out, retainer edge bag can also be passed through
The other positions of mandible lower edge are wrapped up in strengthen the fixed effect of guide plate.
Optionally, the rolling shape of lower jaw fenestration guide plate inner surface is matched with the rolling shape in mandible bone face.
It is also that a kind of enhancing guide plate is consolidated by the matched design of the rolling shape and mandible bone face rolling shape of guide plate inner surface
Determine the preferred scheme of effect, the individualized fit design of this rolling shape, it is necessary to based on digital computer technology design with
And 3D printing technique is realized in the application of medical field.
Optionally, the moulding material of lower jaw fenestration guide plate is PLA.PLA is that a kind of biologic medical field is commonly used
Guide plate making material, with 40-60MPa tensile strengths, 3000-4000MPa excellent mechanical property, and environmental protection,
It is a kind of preferable Green Polymer Material.
Optionally, lower jaw fenestration guide plate passes through three-dimensional printing technology integrated molding.
A kind of lower jaw fenestration guide plate preparation method that the utility model embodiment is provided, as shown in figure 3, including following step
Suddenly：
Step 301, the mandibular region of patient is measured, obtains mandible regional structure data；
Step 302, the structured data is imported into CASE(Computer Aided Software Engineering)；
Step 303, mandible model, nervus alverlaris model, and lower jaw are generated using computer image technology
Foreign matter model in bone；
Step 304, according to mandible model, nervus alverlaris model, and foreign matter model in mandibular, determine under patient
The position of windowing osteotomy and size, design the windowing portion of lower jaw fenestration guide plate needed for jawbone；
Step 305, the bone facial contour and structure for the osteotomy area peripheral edge that opened a window with reference to mandible, design lower jaw fenestration
The retainer of guide plate；
Step 306, lower jaw fenestration guide plate die type data are imported into three-dimensional printer printing shaping.
Optionally, the mandibular region of patient is measured including：Using helical CT scanners, to the jawbone portion of patient
Position is scanned measurement.
Optionally, the mandibular regional structure data of patient are imported into CASE(Computer Aided Software Engineering) includes：By the structured data
Import in dicom format in CASE(Computer Aided Software Engineering) Mimics.
Optionally, mandible model, nervus alverlaris model, and mandibular are generated using computer image technology
Interior foreign matter model includes：The hard and soft tissue such as conical beam CT, MRI, CT imaging data is analyzed by image segmentation, 3D numbers are generated
Word mandible model, nervus alverlaris model, and foreign matter model in mandibular.
Above-mentioned technical proposal and accompanying drawing that the utility model embodiment is provided, for being further illustrated to of the present utility model
And it is unrestricted, in addition it should be noted that those of ordinary skill in the art to previous embodiment it is to be understood that can still be remembered
The technical scheme of load is modified, or carries out equivalent substitution to which part or all technical characteristic, and these modifications or
Replace, the essence of appropriate technical solution is departed from the scope of technical solutions of the utility model.
Claims (8)
1. a kind of lower jaw fenestration guide plate, it is characterised in that the lower jaw fenestration guide plate is the thin plate with rolling shape, patch
Mandible surface is fixed in conjunction, and the lower jaw fenestration guide plate includes windowing portion and retainer, and the windowing portion is used to paste
The osteotomy windowed regions of covering mandible are closed, the edge contour in the windowing portion guides fenestration operation, and the retainer is led to
Cross and the fixed lower jaw fenestration guide plate of installation is connected with the non-osteotomy windowed regions of mandible.
2. lower jaw fenestration guide plate according to claim 1, it is characterised in that the size in the windowing portion is according under patient
The distribution situation design of foreign matter in jawbone, the edge in the windowing portion is beyond foreign matter distributed areas 1.0 to 2.5mm.
3. lower jaw fenestration guide plate according to claim 1, it is characterised in that windowing portion surface is also carried under patient
Alveolar nerve station location marker.
4. lower jaw fenestration guide plate according to claim 1, it is characterised in that the retainer carries screw hole, passes through
The screw hole is passed through using screw, the lower jaw fenestration guide plate is fixed on mandible bone face.
5. lower jaw fenestration guide plate according to claim 1, it is characterised in that the edge of the retainer extends to patient
Mandibular bone angle, the edge wrap mandible bone angle.
6. lower jaw fenestration guide plate according to claim 1, it is characterised in that the lower jaw fenestration guide plate inner surface
Rolling shape is matched with mandible bone face rolling shape.
7. lower jaw fenestration guide plate according to claim 1, it is characterised in that the forming material of the lower jaw fenestration guide plate
Expect for PLA.
8. lower jaw fenestration guide plate according to claim 1, it is characterised in that the lower jaw fenestration guide plate passes through three-dimensional
Printing technique integrated molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621245432.XU CN206453848U (en) | 2016-11-18 | 2016-11-18 | A kind of lower jaw fenestration guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621245432.XU CN206453848U (en) | 2016-11-18 | 2016-11-18 | A kind of lower jaw fenestration guide plate |
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| CN206453848U true CN206453848U (en) | 2017-09-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802357A (en) * | 2017-09-19 | 2018-03-16 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | One kind digitlization tip of a root surgical operation guide plate and its application |
| CN107802358A (en) * | 2017-09-19 | 2018-03-16 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | A kind of CT formulas tip of a root surgical operation guide plate and its application |
| CN108066007A (en) * | 2016-11-18 | 2018-05-25 | 深圳市普天阳医疗科技股份有限公司 | A kind of lower jaw fenestration guide plate and production method |
| CN111529133A (en) * | 2020-04-29 | 2020-08-14 | 上海交通大学医学院附属第九人民医院 | Windowing system for cheekbone planting |
-
2016
- 2016-11-18 CN CN201621245432.XU patent/CN206453848U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108066007A (en) * | 2016-11-18 | 2018-05-25 | 深圳市普天阳医疗科技股份有限公司 | A kind of lower jaw fenestration guide plate and production method |
| CN107802357A (en) * | 2017-09-19 | 2018-03-16 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | One kind digitlization tip of a root surgical operation guide plate and its application |
| CN107802358A (en) * | 2017-09-19 | 2018-03-16 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | A kind of CT formulas tip of a root surgical operation guide plate and its application |
| CN111529133A (en) * | 2020-04-29 | 2020-08-14 | 上海交通大学医学院附属第九人民医院 | Windowing system for cheekbone planting |
| CN111529133B (en) * | 2020-04-29 | 2023-02-21 | 上海交通大学医学院附属第九人民医院 | Windowing system for cheekbone planting |
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