CN209529329U - A kind of navigation registration guide plate of fixed jaw position - Google Patents
A kind of navigation registration guide plate of fixed jaw position Download PDFInfo
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- CN209529329U CN209529329U CN201822115812.7U CN201822115812U CN209529329U CN 209529329 U CN209529329 U CN 209529329U CN 201822115812 U CN201822115812 U CN 201822115812U CN 209529329 U CN209529329 U CN 209529329U
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- biteplate
- jaw position
- fixed jaw
- guide plate
- close contact
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Abstract
The utility model belongs to craniomaxillofacial surgery technical field, the navigation of in particular a kind of fixed jaw position is registrated guide plate, including biteplate, the quantity of the biteplate is two, and two biteplates are respectively the biteplate that maxillary teeth is in close contact and the biteplate that mandibular teeth is in close contact, and are fixedly connected between two biteplates by pillar；It is designed by computer, biteplate part is mainly used for being in close contact with tooth, the registration marks point that can be distributed thereon with discrete, leg portion is mainly used for making patient that mandibular be maintained fixed jaw position in art, and it can guarantee that the preoperative jaw position with art is consistent, it avoids influencing to drift about, furthermore, for the intraoral operation of transoral approach under fixed jaw position, leg portion can guarantee sufficient operative space, meet operation demand, and patient only need to be in first visit according to the requirement of doctor, an imageological examination is shot, can avoid secondary radiation injury.
Description
Technical field
The utility model belongs to craniomaxillofacial surgery technical field, and in particular to a kind of navigation registration guide plate of fixed jaw position.
Background technique
Means of optical navigation technique and its corresponding method for registering are highly developed, and target registration precision can satisfy major part
Craniomaxillofacial surgery.However, present inventor in clinical position, find a large amount of cases need to maintain under fixed jaw position into
Row, as maximum dehisces jaw position, central occlusion position, i.e., to need that mandibular is made to maintain implementation operation under the specific position in art.
Since the position of mandibular changes in art, make the anatomical location and preoperative iconography data in art
It is not inconsistent, generates image drift, navigation accuracy is caused to be greatly reduced.Current solution is first to produce the upper mandibular dentition of patient
Plaster cast, and be transferred on jaw frame；Then a certain jaw position is simulated by jaw frame, using the special biteplate of plastic production,
Patient can make mandibular be in a certain position, embedding screw or dental material in biteplate when being engaged；Patient is preoperative to be needed to wear
Biteplate carries out secondary CT examination, so that index point develops.However, the method is there are clearly disadvantageous, 1, biteplate be by hand
Production, precision are uncontrollable；2, preoperative preparation time is long；3, biteplate makes mandibular be in a certain position, and the position is not necessarily
It can satisfy operation demand；4, secondary image checks, makes patient again by radiation injury.
Utility model content
To solve the problems mentioned above in the background art.The utility model provides a kind of navigation registration of fixed jaw position
Guide plate is able to solve the deficiency of conventional snap plate.
To achieve the above object, the utility model provides the following technical solutions: a kind of navigation registration guide plate of fixed jaw position,
Including biteplate, the quantity of the biteplate is two, and two biteplates are respectively the biteplate that maxillary teeth is in close contact
The biteplate being in close contact with mandibular teeth, and be fixedly connected between two biteplates by pillar.
Preferably, the side of the biteplate is provided with the virtual registration marks point of discrete distribution, and the index point is straight
The cone of diameter 1mm, depth 1mm.
Preferably, the material of the biteplate, pillar and index point is identical.
Compared with prior art, the utility model has the beneficial effects that the utility model, is designed by computer,
Its structure mainly includes two parts, i.e., the biteplate part contacted with upper mandibular dentition, and the column sections of two biteplates of connection
Point, biteplate part is mainly used for being in close contact with tooth, the registration marks point that can be distributed thereon with discrete, leg portion
It is mainly used for making patient that mandibular be maintained fixed jaw position in art, and can guarantees that the preoperative jaw position with art keeps one
It causes, avoids influencing to drift about, in addition, for the intraoral operation of transoral approach under fixed jaw position, leg portion can guarantee abundance
Operative space, meets operation demand, and patient only need to shoot an imageological examination, can keep away in first visit according to the requirement of doctor
Exempt from secondary radiation injury.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the structural schematic diagram of the utility model biteplate；
In figure: 1, biteplate；2, pillar；3, index point.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
The utility model is the following technical schemes are provided: a kind of navigation of fixed jaw position is registrated guide plate, packet referring to FIG. 1-2,
Include biteplate, the quantity of the biteplate is two, and two biteplates be respectively biteplate that maxillary teeth is in close contact and
The biteplate that mandibular teeth is in close contact, and be fixedly connected between two biteplates by pillar, the biteplate part is used for
It is in close contact with upper mandibular teeth, guarantees the stability of patient's mandibular after wearing guide plate in art, the pillar is in connection
The cylindrical body of lower jaw biteplate, bracing force is sufficiently strong, avoids deforming after wearing in patient's art, utilizes virtual registration marks
Point successively takes corresponding point on guide plate with navigation probe point, completes system registration.
Specifically, the side of the biteplate is provided with the virtual registration marks point of discrete distribution, the index point is straight
The cone of diameter 1mm, depth 1mm.
Specifically, the biteplate, pillar are identical with the material of index point.
The working principle and process for using of the utility model: only need to complete two inspections when patient's first visit: 1, patient is true
After determining operation plan, study meets the jaw position that operation requires under the guidance of doctor, i.e. maintenance maximum is dehisced jaw position, and is being kept
Imageological examination is completed in the case where the fixation jaw position；2, the plaster cast of the upper mandibular dentition of patient is produced.A kind of fixation
The navigation registration guide plate of jaw position includes biteplate part and leg portion, is designed by computer, utilizes three-dimensional printer
It is processed and is made.Making step is as follows: 1, iconography data save as DICOM format, and the guide plate design for importing computer is soft
In part, and it is redeveloped into three-dimensional cranio-maxillofacial bone model；2, for gypsum tooth mould by laser scanner, the three-dimensional for saving as STL format is empty
Quasi- tooth mould；3, by the upper mandibular dentition part of three-dimensional tooth mould, the denture part of three-dimensional cranio-maxillofacial bone model is substituted, is saved as
New three-dimensional cranio-maxillofacial bone model；4, on new new three-dimensional cranio-maxillofacial bone model, pass through reverse algorithm, design
Biteplate；5, the virtual registration marks point that discrete is distributed on biteplate.The process of the method for registering is as follows: 1, will be new
The navigation registration guide plate and surgical simulation scheme of three-dimensional cranio-maxillofacial bone model and a kind of fixed jaw position, save as STL format,
Import navigation system software；2, navigational reference frame is mounted on patient's forehead；3, a kind of navigation of fixed jaw position is worn in patient's art
It is registrated guide plate, mandibular is made to maintain fixed position；4, in navigation system, using virtual registration marks point, successively with navigation
Probe points take corresponding point on guide plate, complete system registration.After the completion of registration, under navigation auxiliary, doctor can be according to preoperative
Surgical simulation scheme completes operation.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of navigation of fixed jaw position is registrated guide plate, including biteplate, it is characterised in that: the quantity of the biteplate is two
It is a, and two biteplates are respectively the biteplate that maxillary teeth is in close contact and the biteplate that mandibular teeth is in close contact, and two
It is fixedly connected between a biteplate by pillar.
2. a kind of navigation of fixed jaw position according to claim 1 is registrated guide plate, it is characterised in that: the side of the biteplate
Face is provided with the virtual registration marks point of discrete distribution, and the index point is the cone of diameter 1mm, depth 1mm.
3. a kind of navigation of fixed jaw position according to claim 1 is registrated guide plate, it is characterised in that: the biteplate, branch
Column is identical with the material of index point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822115812.7U CN209529329U (en) | 2018-12-17 | 2018-12-17 | A kind of navigation registration guide plate of fixed jaw position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822115812.7U CN209529329U (en) | 2018-12-17 | 2018-12-17 | A kind of navigation registration guide plate of fixed jaw position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209529329U true CN209529329U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822115812.7U Active CN209529329U (en) | 2018-12-17 | 2018-12-17 | A kind of navigation registration guide plate of fixed jaw position |
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| CN (1) | CN209529329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329588A (en) * | 2020-03-09 | 2020-06-26 | 广东省人民医院(广东省医学科学院) | Mixed virtual reality superposition positioning piece for medical image and mixed virtual reality guiding method |
-
2018
- 2018-12-17 CN CN201822115812.7U patent/CN209529329U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329588A (en) * | 2020-03-09 | 2020-06-26 | 广东省人民医院(广东省医学科学院) | Mixed virtual reality superposition positioning piece for medical image and mixed virtual reality guiding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHANGHAI UEG MEDICAL INSTRUMENT CO.,LTD. Assignor: SHANGHAI NINTH PEOPLE'S HOSPITAL SHANGHAI JIAOTONG University SCHOOL OF MEDICINE Contract record no.: X2022310000031 Denomination of utility model: A navigation registration guide for fixed jaw position Granted publication date: 20191025 License type: Common License Record date: 20220705 |