CN109700532A - Individuation cranium Maxillary region navigation registration guide plate and its method for registering - Google Patents
Individuation cranium Maxillary region navigation registration guide plate and its method for registering Download PDFInfo
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- CN109700532A CN109700532A CN201811543849.8A CN201811543849A CN109700532A CN 109700532 A CN109700532 A CN 109700532A CN 201811543849 A CN201811543849 A CN 201811543849A CN 109700532 A CN109700532 A CN 109700532A
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Abstract
The invention belongs to craniomaxillofacial surgery technical field, in particular individuation cranium Maxillary region navigation registration guide plate and its method for registering, including biteplate and registration marks point, the registration marks point is the cone of diameter 1mm, depth 1mm；It is designed by computer, primary structure includes two parts, the biteplate part that can be in close contact with maxillary dentition and the discrete registration marks point for point registration for being distributed in guide plate side and alar part.Patient need to only shoot an imageological examination in first visit, can avoid secondary radiation injury；The plaster cast of maxillary dentition is prepared simultaneously.Individuation cranium Maxillary region navigation registration guide plate is a kind of novel guide plate, combines Computer-aided Design Technology, three-dimensional printing technology and airmanship；Its corresponding method for registering is completed system using the registration marks point of virtual design and is registrated, and is a kind of method for registering of innovation.
Description
Technical field
The invention belongs to craniomaxillofacial surgery technical fields, and in particular to a kind of individuation cranium Maxillary region navigation registration guide plate and
Its method for registering.
Background technique
Registration is the significant process for implementing surgical navigation technology.Registration technique is as the key core skill in optical guidance
Art is directly related to the precision of whole system and the success or failure of computer assisted surgery.So-called registration refers to virtual coordinate system, i.e.,
The single modes such as CT, MRI that operation consent obtains or multimode medical image are formed after medical image processing in computer graphic image space
Coordinate system, and world coordinate system, i.e., the positioning device of navigation system and the real space of operative region anatomical structure in operation
The coordinate system that position is built into makes the two establish accurate corresponding relationship in navigation system, can will trace into probe, hand
The movement of art instrument and patient correctly reflect on the computer screen in real time.
Currently, common method for registering can be summarized as registration and a surface adjustment.Point registration, i.e., it is preoperative in patients surgery area
Domain is nearby implanted into the screw that iconography can develop, or pastes the marker that iconography can develop in soft tissue surfaces, then carry out
CT scan obtains initial data, and reconstruction patients carry out system registration with the art area 3-D image of registration calibration point；Utilize patient
Itself special rigid structure, such as special site, prominent bones point or the depression points of tooth carry out system registration；There are also scholar,
Screw is embedded on biteplate or filling dental material makees telltale mark, carries out system registration.Surface adjustment uses laser scanning
Imaging technique, or acquisition is directly slided using navigation probe, utilize the anatomical structure of human body itself, mainly forehead or eye socket
The skin surface of surrounding carries out system registration as index plane.
However, present inventor has found in clinical position, the craniomaxillofacial surgery (not including mandibular) for auxiliary of navigating,
It is preoperative to need to be used as registration marks point in maxilla alveolus bone implant 4-5 pieces of titanium nail of patient using a registration, and need into
The secondary CT examination of row and make titanium nail development, to make titanium nail that can be navigated system identification, implantation titanium nail carries out under local anaesthesia, but
It is the invasive operation to patient, some patientss have sense of discomfort or even strong feeling of pain after titanium nail implantation, and need to take
Anodyne, and CT examination again can cause secondary radiation to damage to patient.
The marker that can be developed by imageological examination is pasted in cranium Maxillary region, carries out a registration, there are take off in preoperative or art
The risk fallen, and influence navigation registration process, and with self curing plastic make biteplate, and in biteplate embed screw or
Dental material carries out a registration as marker, preoperative to need longer time, equally, both the above method, in order to make
Marker development, CT examination again also can cause secondary radiation to damage to patient.
Registration is carried out using anatomic landmark point, it will usually choose the cusp, tooth nest or ditch gap of maxillary teeth, however CT
Check that there are certain magnifying powers to tooth, also can not clearly show above structure, make the actual anatomical structure of patient and image
Error is generated between the structure of data, and increases the target registration error of navigation system, moreover, above structure, stings with the upper jaw
Conjunction plane is neighbouring, i.e., dispersion is lower, will lead to navigation system in this way to the operative region anatomical structure far from maxillary teeth
Target registration error increases, so, anatomic landmark point cannot function as cranium Maxillary region navigating surgery and carry out a best choosing for registration
It selects.
Therefore, the present invention is a kind of individuation cranium Maxillary region navigation registration guide plate and its method for registering of brand-new design, needle
Individual design is carried out to different patients, carries out a registration using the guide plate, is that one kind is noninvasive, can be avoided secondary radiation damage
The novel method of wound after precision is further verified, can be promoted and be widely applied in the case of cranium Maxillary region.
Summary of the invention
To solve the problems mentioned above in the background art.The present invention provides a kind of navigation of individuation cranium Maxillary region to be registrated
Guide plate and its method for registering, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: the navigation of individuation cranium Maxillary region is registrated guide plate, including
Biteplate and the discrete virtual registration marks point for being distributed in guide plate side and alar part, the registration marks point be diameter 1mm,
The cone of depth 1mm.
Preferably, the biteplate is identical with the material of registration marks point.
The method for registering of individuation cranium Maxillary region navigation registration guide plate, comprising the following steps:
It only needs to complete two inspections when S1, patient's first visit: (1), completing imageological examination, coverage is calvarium to hyoid bone
It is horizontal；(2), the plaster cast for producing patient's maxillary dentition, is designed by computer, is processed using three-dimensional printer
And production.
S2, (1), iconography data save as DICOM format, import in the design software of computer, and are redeveloped into three-dimensional cranium
Maxillofacial bone bone model；(2), gypsum tooth mould saves as the three-dimensional tooth mould of STL format by laser scanner；It (3), will be three-dimensional
The denture part of virtual maxillary teeth mould substitutes the maxillary dentition part of three-dimensional cranio-maxillofacial bone model, saves as new three-dimensional cranium jaw
Face skeleton model；(4), on new three-dimensional cranio-maxillofacial bone model, by reverse algorithm, biteplate is designed；(5), it leads
The virtual registration marks point of the side of plate and the distribution of alar part discrete.
S3, (1), new three-dimensional cranio-maxillofacial bone model and individuation cranium Maxillary region are navigated registration guide plate, and operation
Modeling scheme saves as STL format, imports navigation system software；(2), navigational reference frame is mounted on patient's forehead；(3), it is navigating
In system, using the virtual registration marks point of navigation registration guide plate, corresponding point on guide plate successively is taken with navigation probe point, is completed
System registration.
Compared with prior art, the beneficial effects of the present invention are: in order to avoid implantation titanium follows closely the injury generated to patient, letter
Change the process of Preoperative Method, shorten preoperative preparation time, make patient that secondary radiation be avoided to injure, the present invention designs and made new
The individuation cranium Maxillary region navigation registration guide plate of type.Individuation cranium Maxillary region navigation registration guide plate, is designed by computer,
Its primary structure includes two parts, the biteplate part that can be contacted with maxillary dentition, and for a registration marks for registration
Point.Biteplate part can be in close contact with maxillary teeth；Registration marks point can it is discrete distribution ground design guide plate side and
Alar part.Patient need to only shoot an imageological examination in first visit, can avoid secondary radiation injury；Maxillary dentition is prepared simultaneously
Plaster cast.Individuation cranium Maxillary region navigation registration guide plate be a kind of novel guide plate, combine Computer-aided Design Technology,
Three-dimensional printing technology and airmanship；Its corresponding method for registering is completed system using the registration marks point of virtual design and is registrated,
It is a kind of method for registering of innovation.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram that the present invention faces；
Fig. 2 is the structural schematic diagram that the present invention overlooks；
Fig. 3 is three-dimensional cranio-maxillofacial bone model；
Fig. 4 is new three-dimensional cranio-maxillofacial bone model, is replaced maxillary dentition part in circle；
Fig. 5 is the design principle of individuation cranium Maxillary region navigation registration guide plate；
Fig. 6 is the schematic diagram that system registration is carried out in art；
In figure: 1, biteplate；2, registration marks point.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Fig. 1-6 is please referred to, the present invention is the following technical schemes are provided: the navigation of individuation cranium Maxillary region is registrated guide plate, including stings
Plywood 1 and the discrete virtual registration marks point 2 for being distributed in guide plate side and alar part, 2 points of the registration marks for diameter 1mm,
The cone of depth 1mm.
Specifically, the biteplate 1 is identical with the material of registration marks point 2.
The method for registering of individuation cranium Maxillary region navigation registration guide plate, comprising the following steps:
It only needs to complete two inspections when S1, patient's first visit: (1), completing imageological examination, coverage is calvarium to hyoid bone
It is horizontal；(2), the plaster cast for producing patient's maxillary dentition, is designed by computer, is processed using three-dimensional printer
And production.
S2, (1), iconography data save as DICOM format, import in the design software of computer, and are redeveloped into three-dimensional cranium
Maxillofacial bone bone model；(2), gypsum tooth mould saves as the three-dimensional tooth mould of STL format by laser scanner；It (3), will be three-dimensional
The denture part of virtual maxillary teeth mould substitutes the maxillary dentition part of three-dimensional cranio-maxillofacial bone model, saves as new three-dimensional cranium jaw
Face skeleton model；(4), on new three-dimensional cranio-maxillofacial bone model, by reverse algorithm, biteplate is designed；(5), it leads
The virtual registration marks point of the side of plate and the distribution of alar part discrete.
S3, (1), new three-dimensional cranio-maxillofacial bone model and individuation cranium Maxillary region are navigated registration guide plate, and operation
Modeling scheme saves as STL format, imports navigation system software；(2), navigational reference frame is mounted on patient's forehead；(3), it is navigating
In system, using the virtual registration marks point of navigation registration guide plate, corresponding point on guide plate successively is taken with navigation probe point, is completed
System registration.
After the completion of registration, under navigation auxiliary, doctor can complete operation according to pre-operative surgical modeling scheme.Navigation is matched
Quasi- guide plate does not interfere the surgical procedure of doctor.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (3)
1. individuation cranium Maxillary region navigation registration guide plate, including biteplate, it is characterised in that: the side of the biteplate and guide plate
Alar part discrete distribution virtual registration marks point, the registration marks point be diameter 1mm, depth 1mm cone.
2. individuation cranium Maxillary region according to claim 1 navigation registration guide plate, it is characterised in that: the biteplate and match
The material of quasi- index point is identical.
3. the method for registering of individuation cranium Maxillary region navigation registration guide plate, it is characterised in that: the following steps are included:
It only needs to complete two inspections when S1, patient's first visit: (1), completing imageological examination, coverage is calvarium to hyoid bone water
It is flat；(2), the plaster cast for producing patient's maxillary dentition, is designed by computer, using three-dimensional printer carry out processing and
Production.
S2, (1), iconography data save as DICOM format, import in the design software of computer, and are redeveloped into three-dimensional cranium jaw face
Skeleton model；(2), gypsum tooth mould saves as the three-dimensional tooth mould of STL format by laser scanner；(3), by three-dimensional
The denture part of maxillary teeth mould substitutes the maxillary dentition part of three-dimensional cranio-maxillofacial bone model, saves as new three-dimensional cranio-maxillofacial
Bone model；(4), on new three-dimensional cranio-maxillofacial bone model, by reverse algorithm, biteplate is designed；(5), guide plate
The virtual registration marks point of side and the distribution of alar part discrete.
S3, (1), navigate new three-dimensional cranio-maxillofacial bone model and individuation cranium Maxillary region registration guide plate and surgical simulation
Scheme saves as STL format, imports navigation system software；(2), navigational reference frame is mounted on patient's forehead；(3), in navigation system
In, using the virtual registration marks point of navigation registration guide plate, corresponding point on guide plate successively is taken with navigation probe point, completes system
Registration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811543849.8A CN109700532B (en) | 2018-12-17 | 2018-12-17 | Individualized craniomaxillary face navigation registration guide plate and registration method thereof |
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| CN201811543849.8A CN109700532B (en) | 2018-12-17 | 2018-12-17 | Individualized craniomaxillary face navigation registration guide plate and registration method thereof |
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Cited By (2)
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| CN113143457A (en) * | 2021-02-09 | 2021-07-23 | 席庆 | Maxillofacial operation auxiliary system and method based on MR head-mounted equipment |
| CN115153838A (en) * | 2022-05-16 | 2022-10-11 | 上海交通大学医学院附属第九人民医院 | Rapid craniomaxillofacial bone tissue operation navigation registration guide plate and registration method thereof |
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| CN109700532B (en) | 2021-07-30 |
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Application publication date: 20190503 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 invention: Individualized craniomaxillofacial navigation registration guide and its registration method Granted publication date: 20210730 License type: Common License Record date: 20220705 |