CN206480281U - A kind of experimental provision based on temporal bone model - Google Patents
A kind of experimental provision based on temporal bone model Download PDFInfo
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- CN206480281U CN206480281U CN201720031119.4U CN201720031119U CN206480281U CN 206480281 U CN206480281 U CN 206480281U CN 201720031119 U CN201720031119 U CN 201720031119U CN 206480281 U CN206480281 U CN 206480281U
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Abstract
The utility model embodiment discloses a kind of experimental provision based on temporal bone model, and device includes：Sound follower, sound receiver, master controller and temporal bone model；Sound follower includes the first output end, and the first output end is sealingly disposed in the porch in the sound conduction path of temporal bone model；Sound receiver includes the first receiving terminal, and the first receiving terminal is sealingly disposed in the exit in the sound conduction path of temporal bone model；Master controller is connected with sound follower, sound receiver respectively；The technical scheme provided according to the utility model embodiment, help to study different gasification degrees, the temporal bone honeycomb containing gaseity to vascular tinnitus influence degree, pass through different types of temporal bone model, realize and be directed to Multiple factors, the different experiment condition of design carries out the research of sound variation, provides effective means for further investigation vascular tinnitus, simultaneously, the model structure constructed is consistent with true temporal bone structure, and important prerequisite is provided for the reliability of result of study.
Description
Technical field
The utility model embodiment belongs to medical research technical field, specifically, is related to a kind of based on temporal bone model
Experimental provision.
Background technology
Vascular tinnitus is otology and the medical common sympton of Neurology.China there are about 9,000,000 patients, and increase year by year
It is many.Long-time tinnitus can have a strong impact on patients ' life quality, ability to work, in addition cause insanity (depression, agitation etc.),
The serious consequence such as commit suiside, very big economy and burden on society are caused to society.But, because the phase that influence vascular tinnitus occurs
Pass factor is not fully apparent from, and causes the treatment method of lack of targeted.
At present, the research on vascular tinnitus is limited only to assume and clinical observation, and result of study thinks：Temporal bone honeycomb
Gasification is one of condition that vascular tinnitus occurs.But, different gasification degrees, the temporal bone honeycomb containing gaseity are to vascular ear
Influence degree of ringing is what kind of is also unknown.Moreover, there is limitation for the research that temporal bone honeycomb gasifies at present, for example,
Multiple factors can not possibly be directed to human body and animal, different experiment conditions are arbitrarily designed as requested and are studied, and
And part experiment is it is also possible to can endanger the healthy composition of research object.Due to the limitation existed in terms of experimental study
The further investigation that temporal bone honeycomb gasifies to vascular tinnitus influence degree is directly affects, is caused both at home and abroad to vascular tinnitus
Experimental study is confined to the anatomical structure of temporal bone.
Therefore, how to break through existing experiment to limit to the bottleneck caused is technical problem urgently to be resolved hurrily at present.
Utility model content
In view of this, the utility model embodiment provides a kind of experimental provision based on temporal bone model, passes through different type
Temporal bone model, carry out the research of sound variation, help to study different temporal bone honeycomb gasifications to vascular tinnitus influence degree,
Effective means is provided for further investigation vascular tinnitus.
To solve technical problem of the prior art, the utility model embodiment provides a kind of reality based on temporal bone model
Experiment device, including：Sound follower, sound receiver, master controller and temporal bone model；
The sound follower includes the first output end, and first output end is sealingly disposed in the sound of the temporal bone model
The porch of sound conducting path；
The sound receiver includes the first receiving terminal, and first receiving terminal is sealingly disposed in the sound of the temporal bone model
The exit of sound conducting path；
The master controller is connected with the sound follower, the sound receiver respectively；
Wherein, the sound that the sound follower is exported according to preset strength and by first output end is defeated for first
Go out sound, the sound that the sound receiver is received by first receiving terminal receives sound, the master control for first
The device contrast first output sound and the described first intensity level for receiving sound, obtain the first strength difference.
Alternatively, the sound follower also includes the second output end, and the sound receiver also includes the second receiving terminal；
Second output end is connected with second receiving terminal, wherein, the sound follower passes through described second
Output end output the first output sound, the sound that the sound receiver is received by second receiving terminal is second
Sound is received, the master controller receives sound and the described second reception sound according to described first, and contrast obtains the second intensity
Difference, and first strength difference is verified and/or corrected by second strength difference.
Alternatively, the sound receiver includes sound collecting part；
The sound collecting part sealing is arranged at the exit in the sound conduction path of the temporal bone model, the sound
Collecting part is provided with sound collecting chamber, and the receiving terminal sealing of the sound receiver is arranged at the sound collecting intracavitary.
Alternatively, the sound follower includes wired microphone, radio microphone, phonograph, CD player, VCD/LD/DVD
In machine and computer one of or and combinations thereof；
First output end include earphone, sound equipment in one of or and combinations thereof.
One of alternatively, the sound receiver includes sound-detection gear, in sound collector, decibel instrument, sound pick-up
Or and combinations thereof；
First receiving terminal and first receiving terminal include it in the probe of the sound-detection gear, microphone
One or and combinations thereof.
Alternatively, the temporal bone model is corpse head temporal bone or the artificial temporal bone model prepared using material.
Alternatively, described to have sound collecting chamber to have through structure, described one end through structure is more than corresponding thereto
The size of the other end, the small one end sealing of size is arranged at the exit in the sound conduction path of the temporal bone model.
Alternatively, first output end is sealingly disposed in entering for the sound conduction path of the temporal bone model by paraffin
At mouthful；
First receiving terminal is sealingly disposed in the exit in the sound conduction path of the temporal bone model by paraffin.
The technical scheme provided according to the utility model embodiment, by different types of temporal bone model, carries out sound change
The research of change, helps to study different gasification degrees, the temporal bone honeycomb containing gaseity to vascular tinnitus influence degree, passes through system
Make different types of temporal bone model, realize and be directed to Multiple factors, different experiment conditions are designed as requested and are studied, be deep
Enter to study vascular tinnitus and effective means is provided, meanwhile, the model structure constructed is consistent with true ear's structure, for research
As a result reliability provides important prerequisite, and foundation is provided to carry out Individuation research for tinnitus influence factor.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are
Some embodiments of the utility model embodiment, for those of ordinary skill in the art, are not paying creative work
Under the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the utility model
A part for embodiment, the schematic description and description of the utility model embodiment is used to explain that the utility model is implemented
Example, does not constitute the improper restriction to the utility model embodiment.
In the accompanying drawings：
Fig. 1 is the structural representation of the experimental provision based on temporal bone model of the utility model embodiment；
Fig. 2 is the structural representation of the experimental provision for being based preferably on temporal bone model of the utility model embodiment；
Fig. 3 is the structural representation of the another experimental provision for being based preferably on temporal bone model of the utility model embodiment.
Reference
10：Sound follower；11：First output end；12：Second output end；
20：Sound receiver；21：First receiving terminal；22：Second receiving terminal；23：Sound collecting part；
30：Master controller；
40：Temporal bone model；41：The porch in sound conduction path；42：The exit in sound conduction path.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model embodiment, rather than whole embodiments.It is real based on the utility model
Apply the embodiment in example, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of the utility model embodiment protection is belonged to.
In some flows described in specification of the present utility model, claims and above-mentioned accompanying drawing, contain by
The multiple operations occurred according to particular order, these operate the order that can not herein occur according to it to perform or hold parallel
OK.The sequence number of operation such as 101,102 etc., is only used for distinguishing each different operation, sequence number does not represent any hold in itself
Row order.In addition, these flows can include more or less operations, and these operate and can performed in order or parallel
Perform.It should be noted that the description such as " first ", " second " herein, is for distinguishing different message, equipment, module
Deng not representing sequencing, it is different types also not limit " first " and " second ".
Inventor has found that the gasification of temporal bone honeycomb is the condition that vascular tinnitus occurs during the utility model is realized
One of.But, different gasification degrees, the temporal bone honeycomb containing gaseity be to vascular tinnitus influence degree what kind of must not also and
Know.Gasify because the limitation existed in terms of current experimental study directly affects temporal bone honeycomb to vascular tinnitus influence degree
Further investigation, causes to be confined to the anatomical structure of temporal bone to the experimental study of vascular tinnitus both at home and abroad.
Therefore, it is to solve defect of the prior art, the utility model embodiment provides a kind of based on temporal bone model
Experimental provision and method, will pass through different types of temporal bone model, carry out the research of sound variation, help to study different temporos
The gasification of bone honeycomb provides effective means to vascular tinnitus influence degree for further investigation vascular tinnitus.
The embodiment of the utility model embodiment is described in detail below in conjunction with drawings and Examples, thereby to this reality
With new embodiment, how application technology means can fully understand to solve technical problem and reach the implementation process of technology effect
And implement according to this, structure of the present utility model is described further below in conjunction with accompanying drawing.
Embodiment 1：
Fig. 1 is the structural representation of the experimental provision based on temporal bone model 40 of the utility model embodiment, such as Fig. 1 institutes
Show：
The utility model embodiment provides a kind of experimental provision based on temporal bone model 40, including：Sound follower 10,
Sound receiver 20, master controller 30 and temporal bone model 40；
Sound follower 10 includes the first output end 11, and the sound that the first output end 11 is sealingly disposed in temporal bone model 40 is passed
The porch 41 of guiding path；
Sound follower 10 includes but is not limited to wired microphone, radio microphone, phonograph, CD player, VCD/LD/DVD
In machine and computer one of or and combinations thereof, the first output end 11 include but is not limited to earphone, sound equipment in one of or and its
Combination.
Sound receiver 20 includes the first receiving terminal 21, and the sound that the first receiving terminal 21 is sealingly disposed in temporal bone model 40 is passed
The exit 42 of guiding path；
Sound receiver 20 includes but is not limited to sound-detection gear, in sound collector, decibel instrument, sound pick-up one of or
And combinations thereof, probe of first receiving terminal 21 including sound-detection gear, the probe of sound collector, the probe of decibel instrument, pickup
In the probe of device, microphone one of or and combinations thereof.
Master controller 30 is connected with sound follower 10, sound receiver 20 respectively；
Master controller 30 includes but is not limited to computer, voice controller etc..
Wherein, the sound that sound follower 10 is exported according to preset strength and by the first output end 11 is the first output sound
Sound, the sound that sound receiver 20 is received by the first receiving terminal 21 receives sound, the contrast of master controller 30 first for first
Export sound and first and receive sound, obtain the first strength difference.First output end 11 is sealingly disposed in temporal bone mould by paraffin
The porch 41 in the sound conduction path of type 40；The sound that first receiving terminal 21 is sealingly disposed in temporal bone model 40 by paraffin is passed
The exit 42 of guiding path.Wherein, the first strength difference is the strength difference between the first output sound and the first reception sound.
The need for according to different experiments, the difference of the intensity of the first reception sound can be subtracted for the intensity of the first output sound, also may be used
To be the difference for the intensity that the intensity of the first reception sound subtracts the first output sound, it is not specifically limited herein.
Concrete example illustrates that sound follower 10 and master controller 30 are computer, and the first output end 11 is earphone, sound
Receiver 20 is sound-detection gear, and first receiving device is sound-detection gear.The sound conduction path of temporal bone model 40 include but
It is not limited to：Be entrance at sigmoid groove bone wall defect, by antrum mastoideum, aditus ad antrum, tympanum, external auditory meatus, to exit.Will
Earphone is connected with computer, and the output end of earphone is connected with the porch 41 in the sound conduction path of temporal bone model 40, and gap is used
Paraffin is sealed, and sound-detection gear is connected with computer, by the sound conduction of the probe of sound-detection gear and temporal bone model 40
The exit 42 in path is connected, and gap is sealed with paraffin.During operation, according to preset strength first is sent by computer defeated
Go out sound, the sound that sound-detection gear is received is first to receive sound, as master controller 30 computer by receive the
One reception sound with first output sound compares, obtain the first strength difference for first output sound and first reception sound it
Between strength difference, be used as the first strength difference.
The temporal bone model 40 of multiple different gasification degrees is checked respectively, respective first strength difference is drawn, is led to
Influence of the temporal bone to sound variation of different gasification degrees can just be obtained by crossing analysis, by different types of temporal bone model 40,
The research of sound variation is carried out, helps to study different gasification degrees, the temporal bone honeycomb containing gaseity to vascular tinnitus influence
Degree.
It should be noted that while multiple temporal bone model 40 are carried out in the case of detection, sound follower 10 can be with
Including multiple first output ends 11, each first output end 11 connects the entrance in the sound conduction path of a temporal bone model 40
Place 41, sound receiver 20 includes multiple first receiving terminals 21 accordingly, and each first receiving terminal 21 connects a temporal bone mould
The exit 42 in the sound conduction path of type 40, gap can be sealed with paraffin.So, under the control of master controller 30
Detected while multiple temporal bone model 40 can just be realized, the quickly influence to the temporal bones of different gasification degrees to sound variation is entered
Row analysis and research.
In the device shown in Fig. 1, what the reception sound of master controller 30 and first compared is the first output sound, still
First output sound is the sound of the control output of master controller 30, useless by conduction, is an ideal value.But, sound exists
Itself can produce certain decay in conductive process, not be the sound initially sent, therefore, for the authenticity of detection, this reality
With new embodiment another embodiment is additionally provided on the basis of embodiment 1.
Fig. 2 is the structural representation of the experimental provision for being based preferably on temporal bone model 40 of the utility model embodiment, such as
Shown in Fig. 2：
Alternatively, sound follower 10 also includes the second output end 12, and sound receiver 20 also includes the second receiving terminal 22；
Second output end 12 is connected with the second receiving terminal 22, wherein, sound follower 10 is defeated by the second output end 12
Go out the first output sound, the sound that sound receiver 20 is received by the second receiving terminal 22 receives sound, master control for second
Device 30 receives sound and second according to first and receives sound, and contrast obtains the second strength difference, and passes through the second strength difference pair
First strength difference is verified and/or corrected.
After second reception sound is the conduction that the first output sound have passed through the second output end 12 and the second receiving terminal 22
Obtained sound, closer to real sound compared with first receives sound.Therefore, master controller 30 passes through the second intensity difference
Be worth for first receive sound and second receive sound between strength difference, as the second strength difference, and pass through the second intensity
Difference is verified and/or corrected to the first strength difference.
The mode of checking and/or amendment includes but is not limited to：Obtain being averaged for the first strength difference and the second strength difference
Value obtains the difference between the first strength difference and the second strength difference as final strength difference, or calculating, and judges
Whether obtained difference exceedes predetermined threshold value, if it exceeds predetermined threshold value is considered as the first strength difference inaccurate, check device
Whether connection, setting are problematic, if being not above predetermined threshold value, then it is assumed that the first strength difference is correct, by the first intensity difference
Value is used as final strength difference.
In the utility model embodiment, it is collected if only by the first receiving terminal 21 of sound receiver 20, though
So to having carried out sealed operation at gap, but the situation of sound diffusion may also occur, have to the Changeement of sound
In influence, the utility model embodiment, in order to be preferably collected to sound, sound is additionally arranged when sound reception is carried out
Sound collecting part 23.
Fig. 3 is the structural representation of the another experimental provision for being based preferably on temporal bone model 40 of the utility model embodiment
Figure；
Sound receiver 20 includes sound collecting part 23；
Sound collecting part 23 seals the exit 42 in the sound conduction path for being arranged at temporal bone model 40, sound collecting portion
Part 23 is provided with sound collecting chamber, and the receiving terminal sealing of sound receiver is arranged at sound collecting intracavitary.
The effect of sound collecting part 23 is to assemble sound, is conducive to sound collection means to be collected sound, can
Selection of land, the sound collecting chamber of sound collecting part 23, which has, runs through structure, is more than corresponding thereto another through one end of structure
The size at end, the small one end sealing of size is arranged at the exit 42 in the sound conduction path of temporal bone model 40.Sound collecting portion
The shape of part 23 is conducive to the aggregation of acoustic wave energy.In the specific implementation, the shape of sound collecting part 23 is similar to tubaeform
Shape, paraffin can be used by the small one end of horn mouth being arranged at the exit 42 in the sound conduction path of temporal bone model 40, gap
Sealed.First receiving terminal 21 of sound receiver 20 enters the sound of sound collecting part 23 by the big one end of horn mouth
In collecting chamber, gap is sealed by paraffin.Or sound collection means can also be made by simple material, for example, paper
Cup, water bottle etc..
In the utility model embodiment, temporal bone model 40 is corpse head temporal bone or the artificial temporal bone model made using material
40。
The experimental provision based on temporal bone model 40 is carried out so that corpse head temporal bone makes temporal bone model 40 as an example below to be discussed in detail.
(1) making of temporal bone model 40
Gassiness temporal bone model 40 makes：Complete gassiness temporal bone structure is separated out from corpse skull middle reaches, and on sigmoid groove
Tune makes circular bone wall missing, lacks a diameter of 5mm；
By gassiness temporal bone model 40 according to different degrees of filling paraffin, the temporal bone model of different gassiness in various degree is completed
40；
Non- gassiness temporal bone model 40 makes：It will fill complete at gassiness, make non-gassiness temporal bone model 40；
(2) sound follower 10
Earphone earplug diameter 5mm, bone wall deleted areas is inserted by an earplug of earphone, and paraffin fixes embedding sealing, ear
Machine connects computer, and computer is used as master controller 30 and sound follower 10.
(3) sound receiver 20
External auditory meatus tympanic part sclerotin is abraded, eardrum is completely removed, the sound collecting part 23 that plastic bushing makes is placed in outer
In duct, sound-detection gear is placed in plastic bushing, sound-detection gear connection computer, computer is used as master controller 30.
Ultimately formed by above step (1)-(3) including sound generating apparatus, temporal bone model 40 and sound receiver 20
The complete experimental provision based on temporal bone model 40.
During the artificial temporal bone model 40 such as made using material, the experimental provision based on temporal bone model 40 also includes：Temporal bone
Model 40 manufactures device, and the manufacture device of temporal bone model 40 is used to make entity temporal bone model 40 according to temporal bone scan image.
The scan image of multiple temporal bones is obtained by being scanned to temporal bone, and is passed through according to the scan image of multiple temporal bones
The human body temporal bone model 40 of three-dimensionally shaped fabrication techniques temporal bone, when making model, can also adjust making parameter, produce difference
The temporal bone model 40 of gasification degree, by making different types of temporal bone model 40, realizes and is directed to Multiple factors, set as requested
The different experiment condition of meter is studied, and effective means is provided for further investigation vascular tinnitus, meanwhile, the model knot constructed
Structure is consistent with true ear's structure, and important prerequisite is provided for the reliability of result of study, to enter for tinnitus influence factor
Row Individuation research provides foundation.
Below to how to carry out detecting sound variation degree by the experimental provision based on temporal bone model 40, correspondingly, this
Utility model embodiment additionally provides a kind of method for detecting sound variation degree, including：
Step S101：According to preset strength, the output first of porch 41 from the sound conduction path of temporal bone model 40 is defeated
Go out sound；
Detect sound variation degree method in the specific implementation, can according in embodiment 1 based on temporal bone model 40
Experimental provision realized that in step S101, master controller 30 is according to preset strength, and control sound follower 10 sends first
Sound is exported, the first output sound is defeated from the porch 41 in the sound conduction path of temporal bone model 40 by the first output end 11
Go out.
Step S102：Receive from the exit 42 in the sound conduction path of temporal bone model 40 and receive the first reception sound；
First receiving terminal 21 of sound receiver 20 receives the from the exit 42 in the sound conduction path of temporal bone model 40
One receives sound, and sends to master controller 30.
Step S103：Sound is received according to the first output sound and first, contrast obtains the first strength difference, wherein, the
One strength difference is the strength difference between the first output sound and the first reception sound.
Master controller 30 compares according to the first reception sound received with the first output sound, obtains the first intensity difference
Be worth for first output sound and first receive sound between strength difference, be used as the first strength difference.By multiple different gasifications
The temporal bone model 40 of degree is checked respectively, draws respective first strength difference, and different gas can be just obtained by analysis
Influence of the temporal bone of change degree to sound variation, by different types of temporal bone model 40, carries out the research of sound variation, helps
In the different gasification degrees of research, the temporal bone honeycomb containing gaseity to vascular tinnitus influence degree.
The utility model embodiment also includes：Output first, which exports sound and receives second, receives sound；
Sound and first is received according to second and receives sound, and contrast obtains the second strength difference, passes through the second strength difference
First strength difference is modified, wherein, the second strength difference is strong between the first reception sound and the second reception sound
Spend difference.
Sound follower 10 states the first output sound by the output of the second output end 12, and sound receiver 20 connects by second
Receiving end 22 receives second and receives sound, and master controller 30 is that the first reception sound and second receive sound by the second strength difference
Between strength difference, the first strength difference is modified as the second strength difference, and by the second strength difference.
Before sound being exported from the output of porch 41 first in the sound conduction path of temporal bone model 40, in addition to：Pass through
Corpse head temporal bone makes temporal bone model 40 or passes through material manufacturing artificial temporal bone model.
Temporal bone model 40 is made as before, herein without repeating, below to passing through Model mfg. appts. by corpse head temporal bone
Entity temporal bone model 40 is made according to temporal bone scan image, is further discussed in detail.
Included by material manufacturing artificial temporal bone model：
Step S201：Obtain multiple profile scanning images of temporal bone；
To ensure that the anatomical structure of the temporal bone model 40 built is consistent with studying vivisection structure, temporal bone model is being built
Needed when 40 based on the medical image of human body ear temporal bone, obtain multiple profile scanning images of temporal bone, human body ear temporo
The acquiring way of the medical image of bone includes but is not limited to transfer from patient image data storehouse, obtained by the way that instrument scanning is direct
Deng, and multiple profile scanning images of the temporal bone to getting are further processed according to step S202.
Obtaining the mode of the medical image of the medical image of human body ear temporal bone can be obtained in the following manner：
Tinnitus patient CT IMAQs, patient is in dorsal position, is injected intravenously contrast medium, and process is as follows：Use Philips
The slices spiral CTs of Brilliance 64 (Philips Healthcare, Cleveland, Ohio) scan data, scanning range is from
6 cervical vertebral levels are to calvarium, sweep parameter：120kV, 300mAs；Collimation：64×0.625mm；Matrix：512×512；During rotation
Between：0.75s；370mgI/ml Iohexols are injected through hand back vein, dosage 1ml/kg, injection speed 5ml/s, contrast medium injection is complete
20ml physiological saline is injected with identical flow rate after finishing, bolus tracer technique (region of interest is used：200mm2；Trigger point：Rise master
Artery；Activation threshold value：150HU) automatic driver sweep, CT picture of patient is gathered from basis cranii to crown direction.Collect patient's head
The image locations of ear's temporal bone are further identified after portion's CT images.
Step S202：Multiple profile scanning images are rebuild respectively, corresponding multiple reconstruction cross-section images are obtained；
Multiple profile scanning images of temporal bone to getting are rebuild, and first to obtain reconstruction parameter, are joined according to rebuilding
It is several that profile scanning image is rebuild, obtain rebuilding cross-section image, cross-section image will be rebuild and further entered according to step S203
Row processing.
Step S203：According to multiple reconstruction cross-section images, the 3-D geometric model of temporal bone is set up；
According to multiple reconstruction cross-section images, the structure parameter of the 3-D geometric model of temporal bone is obtained, and rebuild according to multiple
Cross-section image and structure parameter, build the 3-D geometric model of temporal bone.
Step S204：According to 3-D geometric model, the artificial temporal bone model of temporal bone is produced using forming technique.
According to the 3-D geometric model of the temporal bone built in step S203, the artificial temporal bone of temporal bone is manufactured using forming technique
Model.
For step S202, when being rebuild to multiple profile scanning images, in multiple profile scanning images extremely
A few profile scanning image is adopted to be rebuild with the following method：
Obtain the corresponding reconstruction parameter of profile scanning image；
According to reconstruction parameter, profile scanning image is rebuild, corresponding reconstruction cross-section image is obtained；
Wherein, reconstruction parameter includes：Rebuild baseline, slice thickness/slice spacing, window width/window position.
The mode for obtaining the corresponding reconstruction parameter of profile scanning image includes but is not limited in the following manner：
The reconstruction parameter for setting interface to input by reconstruction parameter is received, when being rebuild to profile scanning image,
Input reconstruction parameter can manually be carried out by the setting interface of reconstruction parameter, according to different reconstruction models, will can rebuild
Parameter is adjusted correspondingly, so as to complete different model constructions；
And/or
According to profile scanning image, reconstruction parameter is got from memory, wherein, image is carried out to profile scanning image
Identification, identifies ear's structure, then is matched by the ear's structure identified with the ear's structure being pre-stored in memory,
Obtain the corresponding reconstruction parameter of the ear's structure matched in memory；
And/or
According to profile scanning image, the border of the artificial ear's structure sketched out in reconstruction image is obtained, according to border,
Obtain reconstruction parameter.
Get after the corresponding reconstruction parameter of profile scanning image, profile scanning image is weighed according to reconstruction parameter
Build.When it is implemented, CTviewer softwares pair can be utilized by carrying out reconstruction to profile scanning image in the utility model embodiment
Profile scanning image is rebuild, and reconstruction parameter is set to：Baseline is rebuild parallel to horizontal semicircular canal, thickness 1mm, interlayer is rebuild
Away from 1mm, window width/window position is original image window width/window position, obtains corresponding reconstruction cross-section image.
For step S203, according to multiple reconstruction cross-section images, 3-D geometric model is set up, including：
According to multiple reconstruction cross-section images, determine respectively to rebuild the corresponding wheel of cross-section image in multiple reconstruction cross-section images respectively
Wide parameter；
Obtain three-dimensional modeling parameter；
The corresponding profile parameters of cross-section image and three-dimensional modeling parameter are rebuild according to each in multiple reconstruction cross-section images, is built
Vertical 3-D geometric model；
Setting up the 3-D geometric model of ear's structure needs first to determine each reconstruction cross-section image in multiple reconstruction cross-section images
The profile parameters of corresponding ear's structure, profile parameters include targeted bone type structural edge parameter, determine the profile of ear's structure
The mode of parameter may include but be not limited in the following manner：
Receive the profile parameters for setting interface to input by profile parameters.
And/or
According to cross-section image is rebuild, profile parameters are got from memory.For example, carrying out image to profile scanning image
Identification, identifies ear's structure, then is matched by the ear's structure identified with the ear's structure being pre-stored in memory,
Obtain the corresponding profile parameters of the ear's structure matched in memory.
And/or
According to cross-section image is rebuild, the border of the artificial ear's structure sketched out in reconstruction image is obtained, according to border,
Obtain profile parameters.
Meanwhile, the setting of the corresponding three-dimensional modeling parameter of different constructing plans can be different.When it is implemented, can be in advance
Multiple constructing plans set corresponding three-dimensional modeling parameter respectively, subsequently directly can therefrom extract to obtain required three-dimensional modeling
Parameter.Specifically, three-dimensional modeling parameter may include：Thickness, interlamellar spacing and pixel.For example, three-dimensional modeling is joined in the present embodiment
Thickness in number can be 0.625mm~1mm, and interlamellar spacing can be 0.625~1mm, and 512*512~1024* may be selected in pixel
1024.In a kind of achievable scheme, in above-mentioned steps S203, according to multiple reconstruction cross-section images, the three-dimensional of temporal bone is set up
The step of geometrical model, can be realized using Mimics softwares of the prior art (such as Mimics10.0).For example, will be multiple
Cross-section image is rebuild to import in Mimics softwares；Then three-dimensional modeling parameter is carried out by the setting function in Mimics softwares
Set；Function is then delineated by the profile in Mimics softwares and delineates the contour curve rebuild in cross-section image, change repeatedly,
Correction；It is last that 3-D geometric model is set up based on the contour curve and three-dimensional modeling parameter by Mimics softwares.
For step S204, on the basis of the 3-D geometric model of the temporal bone of foundation, it can be made using forming technique
The artificial temporal bone model of temporal bone is produced, the experimental study consistent with true temporal bone is completed using the artificial temporal bone model of temporal bone, is
The reliability of result of study provides important prerequisite.
The forming technique of manufacturing artificial temporal bone model includes but is not limited to three-dimensional printing technology, to ensure artificial temporal bone model
Real temporal bone is more nearly, the making material of the 3-D geometric model of temporal bone needs to be more nearly bone tissue while also to meet
The need for making, therefore 3 D-printing material can be used as using metal material powder when making the 3-D geometric model of temporal bone.
Meet outside print conditions, while there is provision of suitable print parameters, in printed material and beat on making material
When print parameter meets condition simultaneously, the artificial temporal bone model for being more nearly true temporal bone can be produced, therefore, this practicality is new
In type embodiment, according to the 3-D geometric model of temporal bone, 3 D-printing file printing temporal bone is used as using metal material powder
Artificial temporal bone model, including：The 3-D geometric model of temporal bone is cut into slices, multiple slice thicknesses are obtained 0.1~0.2mm's
Section unit；With 0.1~2mm printing thickness and 2~10mm/s print speed, printed respectively using metal material powder many
Individual section unit, to stack the artificial temporal bone model for forming temporal bone.
The setting of print parameters is satisfied by manufacturing conditions with printed material, and the artificial temporal bone model produced is except in structure
It is upper to be approached with real temporal bone, meanwhile, be morphologically also consistent, be experimental study authenticity and result of study it is reliable
Property provide important premise.
3-D geometric model is set up, in addition to：Processing is optimized to 3-D geometric model, high-precision three-dimensional geometry is obtained
Model.Wherein, the mode of optimization includes but is not limited to：3-D geometric model is converted into lattice model；It is homogeneous using dot density
Change optimizes lattice model；According to the lattice model after optimization, surface model is generated；Mend at least one times is carried out to surface model
Reason；According to default generation thickness, the surface model after repairing treatment is carried out to take out shell processing, high-precision three-dimensional geometrical model is obtained；
According to 3-D geometric model, the artificial temporal bone model of temporal bone is produced using forming technique, including：According to high-precision three-dimensional geometry
Model, the artificial temporal bone model of temporal bone is produced using forming technique.
For concrete example, the 3-D geometric model of temporal bone is optimized using the softwares of Geomagic 9.0.Will
The 3-D geometric model image of temporal bone imports the softwares of Geomagic 9.0, sets suitable coordinate system, and 3-D geometric model is turned
Lattice model is turned to, is optimized dot matrix using dot density homogenization, then lattice model is generated into surface model；Then surface model is led to
Multiple means patch formation model damaged part is crossed, and repairs step above repeatedly, until surface model is smooth without bad face.According to default life
Into thickness (the default generation thickness includes but is not limited to targeted bone type thickness etc.), using shell function is taken out, the face for having thickness is created
Closed body, completes the optimization to 3-D geometric model, obtains high-precision three-dimensional geometrical model.
High-precision three-dimensional geometrical model has more careful, more life-like effect.According to high-precision three-dimensional geometrical model
The artificial temporal bone model made is closer to real temporal bone.Meanwhile, temporal bone is manufactured according to high-precision three-dimensional geometrical model
The setting of the making step of artificial temporal bone model and the material selection of 3 D-printing, print speed and print thickness is referred to
The description of the above-mentioned artificial temporal bone model that temporal bone is produced according to 3-D geometric model, is no longer repeated one by one herein.
Experimental provision based on temporal bone model 40 can be with the method for perform detection sound variation degree, realization principle, technology
Effect is referred to and feature is corresponding, no longer can one by one be repeated herein with cross-referenced.
Application scenarios
It is usage scenario below by way of corpse head temporal bone, detection sound how is carried out to the experimental provision based on temporal bone model and is become
Change describes in detail：
1st, the intact dry crinial bone of 8 temporal bone plot structures, including 16 temporal bones are scanned；
2nd, the profile scanning image of temporal bone is obtained by CT surface sweepings, is specially：Utilize Phillips Brilliance 64
Slice spiral CT scanning instrument (Philips Healthcare, Cleveland, Ohio), sweeps to bilateral temporal bone CT axle position volumes
Retouch, sweep parameter is as follows：
Sweep parameter：Gather thickness 0.67mm, pitch 0.33mm
Window width 4000Hu, window position 700Hu
Matrix 512 × 512,16 × 0.625mm of collimater
Voltage 140kV, electric current 250mA
3rd, the profile scanning image of obtained temporal bone is rebuild using CT viewer softwares, reconstruction parameter is：Rebuild
Baseline rebuilds thickness 1mm, interlamellar spacing 1mm parallel to horizontal semicircular canal, and window width/window position is original image window width/window position, edge
It is 0.7 to strengthen grade；
4th, temporal bone honeycomb gas volume is rebuild, it is 1024HU that regulation, which rebuilds bottom threshold, and the upper limit is 224HU, is used only
Cutting function, temporal bone gasification volume is automatically derived by computerized three-dimensional reconstruction system.
The gasification degree that step 1-4 completes temporal bone judges, completes to make based on temporal bone model below by step 5 and 6
Experimental provision.
5th, determine to be entrance, warp at the sound conduction path of temporal bone model, sound follower to sigmoid groove bone wall defect
Cross antrum mastoideum, aditus ad antrum, tympanum, external auditory meatus, to exit, sound receiver；
6th, the making of temporal bone bone wall defect model, dissociate complete temporal bone structure, and tune makes circular on sigmoid groove
Bone wall is lacked, and lacks a diameter of 5mm；
One earplug of earphone is inserted bone wall deleted areas by sound follower, earphone earplug diameter 5mm, and paraffin is fixed
Embedding sealing, another earphone earplug is free on outside model, and earphone connection computer, computer is defeated as master controller and sound
Go out device；
Sound receiver, abrades external auditory meatus tympanic part sclerotin, completely removes eardrum, the sound collecting portion that plastic bushing is made
Part is placed in paraffin in external auditory meatus and fixes embedding sealing, and sound-detection gear is placed on into paraffin in plastic bushing fixes embedding sealing,
Sound-detection gear connects computer, and computer is used as master controller.
7th, also need that device detect whether before detecting sound accurately, including：
By voice signal detector, two earplugs of test earphone express consistent for the intensity of same sound, detection
The intensity of sound for receiving unified sound by temporal bone model sound conduction path is variant.
8th, 8 temporal bone structure sound variations are detected
In pure tone test room, apply different frequency (125Hz, 250Hz, 500Hz, 1000Hz, 2000Hz, 4000Hz,
Voice signal 8000Hz), regulation computer sound software makes the sound-detection gear measured value being located in external auditory meatus (face for 34.0dB
The average value of the intensity of sound of 24 SS-PT patients of bed measurement), the sound intensity for the earplug being free on outside model is read,
As apply the loudness of sound, each model repeated measurement 3 times is averaged.
Conclusion：
The temporal bone gasification degree of temporal bone model and containing air space
| 8 models of gassiness | Non- 3 models of gassiness (filling paraffin) |
| I grade (a 2.4cm3, b 2.2cm3) | I grade (2.6cm3) |
| II grade (a 3.4cm3, b 4.0cm3) | II grade (3.3cm3) |
| III grade (a 6.9cm3, b 6.7cm3) | III grade (6.5cm3) |
| IV grade (a 12.4cm3, b 13.2cm3) |
End occurs for sound conduction Model voice to receiving terminal distance (unit：Mm), with the increase of gasification degree, distance
Increase
The result of variations of I grade of Model voice intensity of gassiness group
The result of variations of II grade of Model voice intensity of gassiness group
The result of variations of III grade of Model voice intensity of gassiness group
The result of variations of IV grade of Model voice intensity of gassiness group
The result of variations of non-I grade of Model voice intensity of gassiness group
The result of variations of non-II grade of Model voice intensity of gassiness group
| Export sound (dB) | Input sound frequency (Hz) | Averagely input sound (dB) |
| 34.0 | 125 | >91.6 |
| 34.0 | 250 | >91.6 |
| 34.0 | 500 | 84.0 |
| 34.0 | 1000 | 88.6 |
| 34.0 | 2000 | 82.1 |
| 34.0 | 4000 | >91.6 |
| 34.0 | 8000 | 75.1 |
The result of variations of non-III grade of Model voice of gassiness group
| Export sound (dB) | Input sound frequency (Hz) | Averagely input sound (dB) |
| 34.0 | 125 | >91.6 |
| 34.0 | 250 | 82.6 |
| 34.0 | 500 | 83.1 |
| 34.0 | 1000 | 85.8 |
| 34.0 | 2000 | 90.6 |
| 34.0 | 4000 | >91.6 |
| 34.0 | 8000 | >91.6 |
Non- gassiness group model for sound decay clearly
Drawn according to experiment, different temporal bone gasification degrees and the effect rule containing gaseity in the conduction of SS-PT tinnitus sounds
Rule, it is decay that sound conducts in temporal bone honeycomb, has certain relation with temporal bone gasification degree, sound frequency is higher, and decay is got over
Weight, it is low-frequency noise to explain SS-PT.
In summary, the technical scheme provided according to utility model embodiment, is provided according to the utility model embodiment
Technical scheme, by different types of temporal bone model, carries out the research of sound variation, helps to study different gasification degrees, contains
The temporal bone honeycomb of gaseity, by making different types of temporal bone model, is realized for multiple to vascular tinnitus influence degree
Factor, designs different experiment conditions and is studied as requested, provides effective means for further investigation vascular tinnitus, together
When, the model structure constructed is consistent with true ear's structure, and important prerequisite is provided for the reliability of result of study, is pin
Individuation research is carried out to tinnitus influence factor foundation is provided.
It should be noted that, although embodiment of the present utility model is described in detail with reference to accompanying drawing,
But it should not be construed as the restriction to protection domain of the present utility model.In the scope described by claims, this area skill
The various modification and variation that art personnel can make without creative work still fall within protection domain of the present utility model.
The example of the utility model embodiment is intended to concisely illustrate the technical characterstic of the utility model embodiment so that this
Art personnel can intuitively understand the technical characterstic of the utility model embodiment, be not intended as the utility model embodiment
It is improper to limit.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, the part shown as unit can be or may not be physics list
Member, you can with positioned at a place, or can also be distributed on multiple NEs, it can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme, those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Some preferred embodiments of the utility model embodiment have shown and described in described above, but as it was previously stated, should
Understand that the utility model embodiment is not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment,
And available for various other combinations, modification and environment, and can in application contemplated scope described herein, by above-mentioned teaching or
The technology or knowledge of association area are modified.And the change and change that those skilled in the art are carried out do not depart from the utility model reality
Apply the spirit and scope of example, then all should be in the protection domain of the utility model embodiment appended claims.
Claims (8)
1. a kind of experimental provision based on temporal bone model, it is characterised in that including：Sound follower, sound receiver, master control
Device and temporal bone model；
The sound follower includes the first output end, and the sound that first output end is sealingly disposed in the temporal bone model is passed
The porch of guiding path；
The sound receiver includes the first receiving terminal, and the sound that first receiving terminal is sealingly disposed in the temporal bone model is passed
The exit of guiding path；
The master controller is connected with the sound follower, the sound receiver respectively；
Wherein, the sound that the sound follower is exported according to preset strength and by first output end is the first output sound
Sound, the sound that the sound receiver is received by first receiving terminal receives sound, the master controller pair for first
Than the described first output sound and the described first intensity level for receiving sound, the first strength difference is obtained.
2. device according to claim 1, it is characterised in that the sound follower also includes the second output end, described
Sound receiver also includes the second receiving terminal；
Second output end is connected with second receiving terminal, wherein, the sound follower is exported by described second
End output the first output sound, the sound that the sound receiver is received by second receiving terminal receives for second
Sound, the master controller receives sound and the described second reception sound according to described first, and contrast obtains the second strength difference,
And first strength difference is verified and/or corrected by second strength difference.
3. device according to claim 1, it is characterised in that the sound receiver includes sound collecting part；
The sound collecting part sealing is arranged at the exit in the sound conduction path of the temporal bone model, the sound collecting
Part is provided with sound collecting chamber, and the receiving terminal sealing of the sound receiver is arranged at the sound collecting intracavitary.
4. device according to claim 1, it is characterised in that the sound follower includes wired microphone, wireless biography
In sound device, phonograph, CD player, VCD/LD/DVD machines and computer one of or and combinations thereof；
First output end include earphone, sound equipment in one of or and combinations thereof.
5. device according to claim 1, it is characterised in that the sound receiver includes sound-detection gear, sound is adopted
In storage, decibel instrument, sound pick-up one of or and combinations thereof；
First receiving terminal and first receiving terminal including in the probe of the sound-detection gear, microphone one of or
And combinations thereof.
6. device according to claim 1, it is characterised in that the temporal bone model is corpse head temporal bone or prepared using material
Artificial temporal bone model.
7. device according to claim 3, it is characterised in that described to have sound collecting chamber to have through structure, described to pass through
The one end for wearing structure is more than the size of the other end corresponding thereto, and the small one end sealing of size is arranged at the sound of the temporal bone model
The exit of sound conducting path.
8. the device according to claim 1 or 3, it is characterised in that
First output end is sealingly disposed in the porch in the sound conduction path of the temporal bone model by paraffin；
First receiving terminal is sealingly disposed in the exit in the sound conduction path of the temporal bone model by paraffin.
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| CN106781952A (en) * | 2017-01-10 | 2017-05-31 | 首都医科大学附属北京友谊医院 | A kind of experimental provision and method based on temporal bone model |
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