CN107202820B - A kind of thoracic electrical antibody mould and its preparation and maintenance process - Google Patents
A kind of thoracic electrical antibody mould and its preparation and maintenance process Download PDFInfo
- Publication number
- CN107202820B CN107202820B CN201710571613.4A CN201710571613A CN107202820B CN 107202820 B CN107202820 B CN 107202820B CN 201710571613 A CN201710571613 A CN 201710571613A CN 107202820 B CN107202820 B CN 107202820B
- Authority
- CN
- China
- Prior art keywords
- analogies
- thoracic cavity
- thoracic
- lung
- moulding box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0536—Impedance imaging, e.g. by tomography
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention provides a kind of thoracic electrical antibody mould and its preparations and maintenance process, belong to field of medical device.Thoracic electrical antibody mould includes the thoracic cavity moulding box of thoracic cavity die body and cladding thoracic cavity die body, thoracic cavity die body ecto-entad sets gradually skin analogies, subdermal muscle analogies, bone analogies and musculature analogies, musculature analogies form thoracic cavity and simulate space, and thoracic cavity, which is simulated, is arranged lung analogies and heart analogies in space；Lung analogies are internally provided with reticulated elastomeric tubule, and elastic foaming material is arranged inside heart analogies, fills blood analogies in elastic foaming material；Several conductive sheets are arranged in the surface of thoracic cavity moulding box, and conductive sheet and skin analogies connect；It further include kinetic control system, gas pump and liquid pump is arranged in kinetic control system, and gas pump connects reticulated elastomeric tubule；Liquid pump connects elastic foaming material.It is used for the benchmark for replacing human body as test, verifying and calibration EIT equipment, pushes the standardization of EIT equipment test and verification.
Description
Technical field
The invention belongs to field of medical device, in particular to a kind of thoracic electrical antibody mould and its preparation and maintenance process.
Background technique
Electrical impedance tomography (EIT) is cheap and good-quality medical imaging new method, since this imaging device price is low
Honest and clean, measurement conveniently, is very suitable for extensive medical treatment generaI investigation and long-time on-line monitor, EIT technology is world medical circle at present
The forward position focus of research, the country also have numerous research institutions being engaged in correlative study.But tested as human body EIT equipment,
The standard of verifying --- human body resistance antibody mould, the product supply not being commercialized but.Now to the test of EIT equipment, test
Card and calibration, are mainly carried out using human body.However, the anti-parameter of the body resistance of different people is not fully identical, same people
The anti-parameter of body resistance in different time periods is also variant in addition people in shorter time interval because perspire etc. reasons its
Electrical impedance parameter also can be variant.Therefore, EIT equipment is tested, verifies and calibrated using human body itself, and is not had pervasive
Property, it is difficult to realize mutual comparison and formation standardization between different devices.
Resistance antibody mould is the electrical impedance characteristics of simulated human tissue, for the test of EIT equipment research and product calibration
Important device, resistance antibody mould will reflect the intracorporal electrical impedance distribution feature of people substantially, reflect various tissues, various organs, respectively
The electrical impedance characteristics of kind body fluid, the variation of electrical impedance when especially also reflecting human organ movement, these are for research EIT measurement
Technology, image reconstruction algorithm, the repeatable accuracy of measurement data and imaging results are all significant.This patent is exactly to solve this
A problem and propose；Resistance antibody mould is developed, is the needs for promoting the development of EIT technology.
Summary of the invention
The purpose of the present invention is to provide a kind of thoracic electrical antibody moulds, for replacing human body as test, verifying and school
The benchmark of quasi- EIT equipment pushes the standardization of EIT equipment test and verification.
The object of the invention is also to provide the preparations and maintenance process of a kind of thoracic electrical antibody mould.
The present invention is to be achieved through the following technical solutions:
A kind of thoracic electrical antibody mould, including chest die body, chest die body include thoracic cavity die body and cladding thoracic cavity die body
Thoracic cavity moulding box, thoracic cavity die body ecto-entad set gradually skin analogies, subdermal muscle analogies, bone analogies and muscle groups
Analogies are knitted, thoracic cavity is formed and simulates space, thoracic cavity, which is simulated, is arranged lung analogies and heart analogies in space；Inside lung analogies
It is provided with the reticulated elastomeric tubule of energy discharge/charge gas, the conductive elastic foaming material of setting, elastic foaming material inside heart analogies
Interior filling blood analogies；Several conductive sheets are arranged in the surface of thoracic cavity moulding box, and conductive sheet and skin analogies are in close contact；
It further include kinetic control system, gas pump and liquid pump is arranged in kinetic control system, and gas pump connects reticulated elastomeric
Tubule；The conductive elastic foaming material of liquid pump connection.
Wherein, the blood analogies can be reciprocal in elastic foaming material, realizes circulation, drives the simulation of heart analogies
The cardiac motion of people.
Preferably, the thoracic electrical antibody mould further includes body fluid analogies, and body fluid analogies are distributed in musculature mould
Between quasi- object and lung analogies and heart analogies.
Preferably, the thoracic electrical antibody mould further includes muscle masses analogies, and muscle masses analogies are filled in thoracic cavity mould
In quasi- space.
Preferably, reticulated elastomeric tubule is provided with lung connecting tube, and the starting point of lung connecting tube connects gas pipe fitting, gas
Pipe fitting connects gas pump.
Preferably, heart connecting tube is arranged in elastic foaming material, and the starting point of heart connecting tube connects fluid coupler, and liquid line connects
Head connection liquid pump.
Preferably, the front of thoracic cavity moulding box opens up moulding box lid, seals between moulding box lid and thoracic cavity moulding box.
Preferably, two circular holes are set on the top end face of thoracic cavity moulding box, are respectively used to gas pump and reticulated elastomeric tubule
Connection, the connection of liquid pump and elastic foaming material.
Preferably, the quantity of conductive sheet and distribution are corresponding with EIT electrode.It is further preferred that conductive sheet quantity is 17
It is a, including 16 along the circumferentially distributed skin conductivity piece of thoracic cavity moulding box and 1 reference electrode conductive sheet.
Preferably, the thoracic electrical antibody mould further includes calibration marker, and calibration marker is arranged inside the die body of thoracic cavity
Metal ball or wire.
It is further preferred that the calibration marker is divided into three groups, it is respectively as follows:
Metal ball group, including the different metal ball of multiple diameters；
Parallel wire group, including multiple positive wires for being parallel to thoracic cavity die body；
Vertical wire group, including multiple positive wires perpendicular to thoracic cavity die body；
The front of the thoracic cavity die body, the front in the thoracic cavity corresponding to people.
Preferably, skin analogies are the cotton or conductive plastic film for infiltrating body fluid analogies, and body fluid analogies are resistance
Rate is the material of the scattered paste shape of 650~750 Ω m.
Preferably, the resistance that subdermal muscle analogies, musculature analogies are coated by coated fertilizer and coated fertilizer
The elastic material that rate is 210~230 Ω m forms.
Preferably, lung analogies include left lung analogies, right lung analogies, the inside of left lung analogies, right lung analogies
It is respectively provided with reticulated elastomeric tubule, lobe of the lung analogies, the two panels of upper and lower two sides setting is respectively arranged in the two sides up and down of reticulated elastomeric tubule
Lobe of the lung analogies are coated togather by coated fertilizer；The elastic material shape that lobe of the lung analogies are 380~450 Ω m by resistivity
At.
Preferably, elastic foaming material is arranged in the inside of heart analogies, and cardiac muscle simulation is respectively arranged in the two sides of elastic foaming material
Object, two pieces of myocardium analogies are coated togather by coated fertilizer；Wherein, myocardium analogies are 210~230 Ω m by resistivity
Elastic material formed.
It is further preferred that the elastic material is by polyethylene powder, sodium carboxymethylcellulose pyce, sodium chloride, potassium chloride and carbon
The phantom material that the mixture of powder is formed under the action of water.
It is further preferred that coated fertilizer is conductive plastic film or the spun yarn textile cloth after the infiltration of body fluid analogies；
Wherein, body fluid analogies are the materials for the scattered paste shape that resistivity is 650~750 Ω m.
A kind of preparation method of thoracic electrical antibody mould, comprising steps of
1) thoracic cavity moulding box, the moulding box lid that the front setting of thoracic cavity moulding box is opened are made；
2) skin analogies are placed；
3) subdermal muscle analogies are placed；
4) bone analogies are placed；
5) musculature analogies are set；
6) heart analogies, lung analogies are placed；
7) skin analogies, subdermal muscle analogies and the musculature analogies for covering cope opening, close chest
Cavity mold case；
8) kinetic control system is connected；
It wherein, further include step 6- between step 6) and step 7) when calibration marker is arranged in thoracic electrical antibody mould
1) calibration marker is placed.
The maintenance process of the thoracic electrical antibody mould: temporary unused thoracic electrical antibody mould, by chest die body with
Kinetic control system separation, extracts the blood analogies in heart analogies being hit by a bullet property foaming material out, and to reticulated elastomeric tubule and
Elastic foaming material is sealed；Chest die body is placed in 0 DEG C of refrigerator-freezer below and refrigerates；Wherein, described not have to temporarily, it refers to
It does not use in a long time, refers in particular to not use in 3 days or more the time behind.
Before reusing, chest die body was placement 2~3 hours of 15~25 DEG C, so that the organ mould in chest die body deep
Quasi- object and microstructure modeling object restore elasticity.Wherein, organ analogies refer to heart analogies and lung analogies；Microstructure modeling object
Refer to skin analogies, subdermal muscle analogies, bone analogies, musculature analogies, body fluid analogies, blood simulation
Object and muscle masses analogies.It is described to reuse, refer to thoracic electrical antibody mould before the use by refrigeration.
Compared with prior art, the invention has the following beneficial technical effects:
Thoracic electrical antibody mould provided by the invention, including chest die body and kinetic control system, chest die body include chest
The thoracic cavity moulding box of cavity mold body and cladding thoracic cavity die body.Chest die body according to torso model elementary organization be distributed, ecto-entad according to
Secondary setting skin analogies, subdermal muscle analogies, bone analogies and musculature analogies, and simulated by musculature
Object forms thoracic cavity and simulates space, and lung analogies and heart analogies are arranged in the simulation space of thoracic cavity, this is more true anti-
Tissue, the organ distribution of people thoracic cavity part are reflected.Wherein, in order to simulate people lung and heart movement, set inside lung analogies
Reticulated elastomeric tubule is set, and the gas pump of reticulated elastomeric tubule and kinetic control system connects, by gas pump to netted bullet
The intratubular inflation of property or pumping, so that lung analogies can be with the respiratory movement of simulated lung；Setting elasticity inside heart analogies
Foaming material has recyclable blood analogies in elastic foaming material, and the liquid pump of elastic foaming material and kinetic control system connects
It connects, by the blood analogies of liquid pump being pumped into or detach in elastic foaming material, the heartbeat of heart can be simulated.To sum up, should
Thoracic cavity die body and kinetic control system cooperate, the composition of tissue and internal organs, distribution, in terms of realize to people's
The more perfect simulation of chest.On the one hand thoracic cavity moulding box can carry out shape constraining to thoracic cavity die body, further realize to chest
On the other hand the simulation in portion can make the material of thoracic cavity die body be isolated with exterior space, maintain the various aspects of thoracic cavity die body
Matter it is steady in a long-term, avoid the material of thoracic cavity die body material as caused by evaporation, bacterium infection etc. rotten.The table of thoracic cavity moulding box
Several conductive sheets connecting with skin contact are arranged in face, and conductive sheet measures EIT equipment for connecting with EIT equipment
The electrical impedance distribution and parameter of thoracic electrical antibody mould, and EIT equipment is tested, verified and calibrated as benchmark.This
The thoracic electrical antibody mould provided is provided, in the shape of chest, tissue and the compositions of internal organs, distribution, in terms of, it is real
Show the more perfect simulation to the chest of people, and the various aspects characteristic of thoracic cavity die body is steady in a long-term, it can be more true
The distribution of resistance situation for reacting human chest is substituted for benchmark of the human body as test, verifying and calibration EIT equipment,
Push the standardization of EIT equipment test and verification.
Further, thoracic electrical antibody mould provided by the invention further includes calibration marker, and calibration marker is arranged in chest
Metal ball and/or wire inside cavity mold body.Metal ball and/or wire have specific diameter and fixed position, such as
This, using calibration marker can detectivity to EIT equipment and repeatability test.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of thoracic cavity die body provided by the invention.
Fig. 2 is the structural schematic diagram of thoracic cavity moulding box provided by the invention.
Fig. 3 is the structural schematic diagram of thoracic electrical antibody mould provided by the invention, wherein kinetic control system is only shown
Gas pump and liquid pump.
In Figure of description, the meaning of used symbol is explained as follows:
1 is lung analogies；11 be reticulated elastomeric tubule；12 be lung connecting tube；13 be gas pipe fitting；2 simulate for heart
Object；21 be elastic foaming material；22 be heart connecting tube；23 be fluid coupler；31 be metal ball group；32 be parallel wire group；
33 be vertical wire group；4 be thoracic cavity moulding box, and 41 be moulding box lid；421 be skin conductivity piece；422 be reference electrode conductive sheet；
43 be case foot；51 be gas pump；52 be liquid pump.
Specific embodiment
Below with reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
In present specification, the description of the direction position of thoracic cavity die body is that the position of the chest of reference man is set
's.The front of thoracic cavity moulding box refers to the positive side of chest corresponding to people；The top end face of thoracic cavity moulding box, corresponding to people's
Neck side.
Embodiment 1
A kind of thoracic electrical antibody mould, including chest die body and kinetic control system.
Chest die body includes the thoracic cavity moulding box 4 of thoracic cavity die body and cladding thoracic cavity die body, and thoracic cavity die body ecto-entad is successively set
Skin analogies, subdermal muscle analogies, bone analogies and musculature analogies are set, musculature analogies form thoracic cavity
Space is simulated, thoracic cavity, which is simulated, is arranged lung analogies 1 and heart analogies 2 in space；Lung analogies 1 are internally provided with reticulated elastomeric
Elastic foaming material 21 is arranged inside heart analogies 2, fills blood analogies in elastic foaming material 21 for tubule 11；Thoracic cavity moulding box 4
Surface several conductive sheets are set, conductive sheet and skin analogies connect；It further include kinetic control system, motion control system
System setting gas pump 51 and liquid pump 52, gas pump 51 connect reticulated elastomeric tubule 11；Liquid pump 52 connects elastic foaming material 21.
Skin analogies are more thick and solid dense cotton, are infiltrated by body fluid analogies；Skin analogies can also be selected
Conductive plastic film.
Body fluid analogies are the phantom materials for the scattered paste shape that resistivity is 650~750 Ω m.
Subdermal muscle analogies are made of the tablet that coated fertilizer and coated fertilizer coat, and the tablet is by resistivity
Phantom material for 210~230 Ω m is formed, and with a thickness of 3~5mm, shape and the shape of skin analogies are similar.
Bone analogies are prefabricated skeletal support frames, and the material selection of skeletal support frame adjusted the glass of electrical impedance characteristics
Steel or the bamboo chip for having carried out surface insulation processing, shape copy the vertebra and thoracic bone of people.
Musculature analogies are made of the tablet that coated fertilizer and coated fertilizer coat, and the tablet is by resistivity
Phantom material for 210~230 Ω m is formed, and with a thickness of 9~12mm, is dimensioned slightly smaller than skin analogies.
Lung analogies 1 include left lung analogies 1, right lung analogies 1, and left lung analogies 1, the inside of right lung analogies 1 are equal
Reticulated elastomeric tubule 11 is set, the two sides up and down of reticulated elastomeric tubule 11 are respectively arranged lobe of the lung analogies, and the two of upper and lower two sides setting
Piece lobe of the lung analogies are coated togather by coated fertilizer；The phantom material that lobe of the lung analogies are 380~450 Ω m by resistivity
It is formed.
The conductive elastic foaming material 21 of the inside setting of heart analogies 2, cardiac muscle is respectively arranged in the two sides of elastic foaming material 21
Analogies, two pieces of myocardium analogies are coated togather by coated fertilizer；Wherein, myocardium analogies are 210~230 by resistivity
The phantom material of Ω m is formed.
Wherein, in the present invention, phantom material is by polyethylene powder, sodium carboxymethylcellulose pyce, sodium chloride, potassium chloride and carbon dust
Mixture formed under the action of deionized water, wherein polyethylene powder is as substrate, and sodium carboxymethylcellulose pyce is as bonding
Agent, carbon dust are used to adjust the hardness and sliminess of phantom material as resistivity regulator, water.In phantom material, according to
Quality meter, sodium carboxymethylcellulose pyce: polyethylene powder=1:(4~6).For further simulation human body environment, polyethylene powder,
Sodium carboxymethylcellulose pyce, sodium chloride, potassium chloride and carbon dust mixture in, the mass fraction of sodium chloride is 0.5~1.0%, chlorination
The mass fraction of potassium is 0.2~0.4%.
Wherein, coated fertilizer is compactness good and conductive fabric or conductive plastic film with higher resistance, or through body fluid
Dense spun yarn textile cloth after analogies infiltration.Wherein, elastic foaming material 21 can select the urine of animal to steep.
Wherein, gas pump 51 and liquid pump 52 driving signal different using two-way, gas pump 51 can directly adopt anti-cotton-padded mattress
The micro air pump of sore mattress is powered using alternating current power frequency, by charge/discharge gas periodic adjustment to 3-4 seconds/it is primary, with respiratory movement
It is close；Liquid pump 52 uses pulse power supply, and the period of pulse is about 1 second, the amplitude and waveform of pulse, must be with blood analogies
Mobility cooperation, in the hope of achieving the effect that similar " heartbeat ".
Wherein, in a kind of feasible implementation, body fluid analogies are also distributed in chest die body, body fluid analogies are set
It sets between each microstructure modeling object and organ analogies, becomes impedance coupler medium.
Wherein, in a kind of feasible implementation, thoracic cavity is also provided with muscle masses analogies, muscle masses in simulation space
Analogies are made of the block that coated fertilizer and coated fertilizer coat, and the block is 210~230 Ω m by resistivity
Phantom material formed.
Wherein, the reticulated elastomeric tubule 11 in a kind of feasible implementation, in left lung analogies 1, right lung analogies 1
It is all connected to lung connecting tube 12, the starting point of lung connecting tube 12 connects gas pipe fitting 13, and gas pipe fitting 13 connects gas pump
51.Wherein, in a kind of more specific implementation of the possible implementation, the top end face of thoracic cavity moulding box 4 is provided with circular hole,
Nonmetallic gas pipe fitting 13 is installed in circular hole, and realizes the close connection of gas pipe fitting 13 and thoracic cavity moulding box 4.In this way,
Gas pipe fitting 13 is fixed on thoracic cavity moulding box 4 and makes the junction of thoracic cavity moulding box 4 and gas pump 51 to seal；When dismounting gas
It, can be by carrying out covering the sealing realized to reticulated elastomeric tubule 11 to gas pipe fitting 13 when pumping 51.
Wherein, in a kind of feasible implementation, heart connecting tube 22 is arranged in elastic foaming material 21, and heart connecting tube 22 rises
Beginning connects fluid coupler 23, and fluid coupler 23 connects liquid pump 52.Wherein, it is had more in one kind of the possible implementation
In the implementation of body, the top end face of thoracic cavity moulding box 4 is provided with circular hole, and nonmetallic fluid coupler 23 is installed in circular hole, and
Realize the close connection of fluid coupler 23 and thoracic cavity moulding box 4.In this way, fluid coupler 23 is fixed on thoracic cavity moulding box 4 and makes
The junction for obtaining thoracic cavity moulding box 4 and liquid pump 52 seals；It, can be by being carried out to fluid coupler 23 when removing liquid pump 52
Cover the sealing realized to elastic foaming material 21.
Wherein, in a kind of feasible implementation, the front of thoracic cavity moulding box 4 opens up moulding box lid 41, moulding box lid 41 and chest
It is sealed between cavity mold case 4.The setting of moulding box lid 41 can be convenient the production of chest die body.
Wherein, in a kind of feasible implementation, the quantity of conductive sheet is 17, including 16 along thoracic cavity moulding box 4 weeks
To the skin conductivity piece 421 and 1 reference electrode conductive sheet 422 of distribution.The distribution of conductive sheet, should be according to EIT distribution of electrodes
Position.The setting of 16 testing conductive pieces can satisfy existing mainstream EIT equipment, can be used for 16+1 electrical impedance belt biography
Sensor group.
Wherein, in a kind of feasible implementation, calibration marker is set, calibration marker is that setting exists inside chest die body
Metal ball or wire inside the die body of thoracic cavity.Calibration marker is used to assess the resolution ratio and repeatability of EIT equipment.Wherein, In
In a kind of more specific implementation of the possible implementation, calibration marker is divided into three groups, is respectively as follows: metal ball group 31, puts down
Row metal silk group 32 and vertical wire group 33.
Metal ball group 31, including the different metal ball of multiple diameters；The metal ball of different-diameter can be set in muscle masses
Between analogies, and the fixation to metal ball is realized by the interaction between two different muscle masses.
Parallel wire group 32, including multiple positive wires for being parallel to thoracic cavity die body；The diameter of each wire
Can not be identical with direction, and be arranged between muscle masses analogies, it is real by the interaction between two different muscle masses
Now to the fixation of wire.
Vertical wire group 33, including multiple positive wires perpendicular to thoracic cavity die body；The diameter of each wire
It is not identical, and be arranged between muscle masses analogies, it realizes by the interaction between two different muscle masses to wire
Fixation.
It should be clear that calibration marker can be not only used for the resolution ratio and repeatability of assessment chest EIT equipment, and
And enable thoracic electrical antibody mould of the invention test other positions EIT equipment resolution ratio and reproducibility.
Embodiment 2,
A kind of production method of thoracic electrical antibody mould, comprising steps of
1) thoracic cavity moulding box 4 is made, and according to the position of EIT distribution of electrodes, skin mould is led in installation outside thoracic cavity moulding box 4
16 skin conductivity pieces, 421,1 reference electrode conductive sheet 422 of quasi- object.Two are opened up in the middle part of the top end face of thoracic cavity moulding box 4
A circular hole, two circular holes install gas pipe fitting 13 and fluid coupler 23, gas pipe fitting 13 and fluid coupler 23 respectively
For non-metallic material.Installs case foot 43 below thoracic cavity moulding box 4, the support for thoracic cavity moulding box 4.The front of thoracic cavity moulding box 4 is set
Set-off box lid 41, in this step, moulding box lid 41 are open, so as to from the opening that moulding box lid 41 is unfolded into thoracic cavity mould
The each microstructure modeling object of 4 placed inside of case and organ analogies.Partial skin conductive sheet 421 can be set on moulding box lid 41.
After the closure of moulding box lid 41, all sites of thoracic cavity moulding box 4 all reach impermeable seal request.
Thoracic cavity moulding box 4 can use the preparation of the materials such as glass reinforced plastic or organic glass, and shape and size copy the chest of people.
As a preferred solution, in the concrete practice of the present embodiment, the inner space that thoracic cavity moulding box 4 is formed is in elliptical cylinder-shape,
The long axis of cylindroid end face is 350mm, and minor axis length is 150~180mm, and cylindroid height is 300mm.
2) it configures basic phantom material: polyethylene powder, sodium carboxymethylcellulose pyce, sodium chloride, potassium chloride being added into blender
And carbon dust；Wherein, the mass ratio of sodium chloride is 0.5%, and the mass ratio of potassium chloride is 0.3%；According to quality meter, methyl is fine
Tie up plain sodium: polyethylene powder=1:(4~6).It is the resistivity in order to adjust basic phantom material that carbon dust, which is added,.In preparation base body
When mold materials, the amount that carbon dust is added should not be excessive, and the resistivity of basic phantom material should be made to be greater than 700 Ω m.
A small amount of deionized water is added into blender again, stirs into the basic phantom material of granule state；
In the scheme of optimization, according to quality meter, sodium carboxymethylcellulose pyce: polyethylene powder=1:5.
Preferably scheme, the additional amount of carbon dust make resistivity >=1000 Ω m of basic phantom material.
In subsequent application, by adding the carbon dust of appropriate amount and the deionization of appropriate amount into basic phantom material
Water prepares the phantom material for specific combination or organ.3) body fluid analogies are prepared: basic phantom material being added appropriate
Carbon dust and deionized water are modulated into scattered paste shape, so that resistivity is about 700 Ω m, as body fluid analogies, for filling each
Between microstructure modeling object and organ analogies, become impedance coupler medium.
4) skin analogies are placed；With more thick and solid dense cotton, by the infiltration of body fluid analogies, according to thoracic cavity moulding box
The size of 4 medial surfaces tailors the skin analogies of Chest phantom；
Skin analogies are pasted onto 4 inner wall of thoracic cavity moulding box with body fluid analogies, by the skin mould of 4 opening of thoracic cavity moulding box
Quasi- object, which is routed up, to be placed on outside thoracic cavity moulding box 4.To inside Chest phantom organ analogies and microstructure modeling object all place and finish,
The skin analogies of 4 opening of thoracic cavity moulding box are covered again.
As a preferred solution, in the concrete practice of the present embodiment, the sizes of skin analogies be 105cm ×
30cm。
5) subdermal muscle analogies are placed；Basic phantom material is added into appropriate carbon dust and deionized water is kneaded into dried dough,
So that its resistivity is 210~230 Ω m, the thin skin that 3~5mm thickness is made is rolled, is cut into outer with skin analogies comparable dimensions
Shape is sewn into subdermal muscle analogies after two sides covers coated fertilizer, is tightly attached on the inside of the skin analogies of body mould.Wherein, it wraps
Membrane material is compactness good conductive fabric or conductive plastic film, or dense spun yarn textile cloth after the infiltration of body fluid analogies.
As a preferred solution, in the concrete practice of the present embodiment, subdermal muscle analogies be rendered as 30cm wide,
The rectangle of 105cm long.
6) bone analogies are placed: being close to subdermal muscle analogies, prefabricated skeletal support frame is installed, form bone simulation
Object.The material selection of skeletal support frame adjusted the glass reinforced plastic of electrical resistivity property or had carried out the bamboo chip of surface insulation processing,
Shape copies the vertebra and thoracic bone of people.
7) musculature analogies are set；It is close to skeletal support frame, according to the production method of subdermal muscle analogies, then places
The musculature analogies of one layer of 10mm thickness.Musculature analogies form thoracic cavity and simulate space.
8) heart analogies 2 are set；Basic phantom material is added into appropriate carbon dust and deionized water is kneaded into uniform dough, is made
Obtaining its resistivity is 210~230 Ω m, is then pressed into two pieces of myocardium analogies with palm, the urine with connecting tube is steeped and is pressed from both sides
Between two myocardium analogies, it is sewn into heart shape with coated fertilizer package, is mounted on the middle part of Chest phantom, conduit is tight
It pricks on fluid coupler 23.
9) lung analogies 1 are set；Basic phantom material is added into appropriate carbon dust and deionized water is kneaded into uniform dough, makes it
Resistivity is about 400 Ω m, is then pressed into four pieces of lobe of the lung analogies with palm, two-by-two in groups, will have the net of connecting conduit
Shape elasticity tubule 11 is clipped in respectively in two groups of lobe of the lung analogies, reticulated elastomeric tubule 11 be in each group two panels lobe of the lung analogies it
Between, left and right lung analogies 1 are sewn into coated fertilizer package, the middle part of Chest phantom is mounted on, conduit is tightly pricked in flue
On connector 13.
Wherein, left and right lung analogies 1 are respectively in the left and right sides of heart analogies 2.
10) muscle masses analogies are set；Basic phantom material is added into appropriate carbon dust and deionized water is kneaded into uniform dough,
So that resistivity is 210~230 Ω m, then hand-made some muscle masses analogies, and wrapped up and being stitched with coated fertilizer
System, fills larger gap.
11) calibration marker is placed.Calibration marker uses stainless steel material or naked copper degree chromium material；Calibration marker includes three
Group is respectively as follows:
Metal ball group 31, including the different metal ball of three diameters, the diameter of three metal balls is respectively 1mm, 2mm and
3mm。
Parallel wire group 32 is parallel to the positive wire of thoracic cavity die body, the diameter difference of wire including three
Are as follows: 1mm, 2mm and 3mm；It can be parallel to each other between three one metal wires, it can also be not parallel.
Vertical wire group 33, the positive wire including three perpendicular to thoracic cavity die body；Three one metal wires can phase
It is mutually parallel, it can also be not parallel.
12) body fluid analogies are set: by the filling of body fluid analogies between each tissue analogies and organ analogies, becoming resistance
Anti- couplant.
13) thoracic cavity moulding box 4 is closed.Close skin analogies, subdermal muscle analogies and the muscle of 4 opening of thoracic cavity moulding box
Microstructure modeling object covers moulding box lid 41, guarantees that the conductive sheet and skin analogies on moulding box lid 41 are in close contact.
14) blood analogies are deployed.Basic phantom material is added into appropriate carbon dust and deionized water is modulated into thin paste,
So that density is close to blood, and resistivity is made to be about 180 Ω m, the blood analogies of the circulation as heart.
15) kinetic control system is connected；Gas pump 51 is connect with gas pipe fitting 13；Liquid pump 52 is connect with liquid line
First 23 connection, the blood circulation analogies in liquid pump 52 and urine bubble.
Wherein, in other implementations, thoracic electrical impedance mould has the curve of the shape of the chest of similar people,
The perimeter of tip portion is greater than the perimeter of its end portion, and preparation method is consistent with method as described above, it is only necessary to need pair
The size of material is adjusted correspondingly.
Embodiment 3, a kind of maintenance process of thoracic electrical antibody mould
Temporary unused body mould, it should chest die body mutually be separated with kinetic control system, extracted out in heart analogies 2
Blood analogies in elastic foaming material 21, and reticulated elastomeric tubule 11 and elastic foaming material 21 are sealed.Chest die body
It must be placed in 0 DEG C of refrigerator-freezer below and refrigerate, can both prevent organic organization's spoilage (especially when using animal urine in this way
When bubble is as elastic foaming material 21), and moisture can be prevented to evaporate, prevent tissue continuous deformation under the effect of gravity.Motion control
System is stored according to conventional instrument.
It wherein, can be by directly to gas when gas pipe fitting 13 and fluid coupler 23 are arranged on thoracic cavity moulding box 4
Pipe fitting 13 and fluid coupler 23 are realized plus the lid of sealing to the close of reticulated elastomeric tubule 11 and elastic foaming material 21
Envelope.
In use, chest die body need to be placed 2 hours or so in 20 DEG C of laboratory, the organ in chest die body deep is allowed to simulate
Object and microstructure modeling object restore elasticity, and scattered paste shape is presented in the body fluid analogies between organ analogies and microstructure modeling object, then connect
Gas pump 51 and liquid pump 52 are connect, can just can be carried out satisfactory chest after normal circulation after gas and blood analogies
The test of portion's electrical impedance.
The chest die body carries out primary calibration detection every year.
Claims (9)
1. a kind of thoracic electrical antibody mould, which is characterized in that including chest die body, chest die body includes thoracic cavity die body and cladding chest
The thoracic cavity moulding box (4) of cavity mold body, thoracic cavity die body ecto-entad set gradually skin analogies, subdermal muscle analogies, bone mould
Quasi- object and musculature analogies form thoracic cavity and simulate space, and thoracic cavity, which is simulated, is arranged lung analogies (1) and heart simulation in space
Object (2)；Lung analogies (1) are internally provided with the reticulated elastomeric tubule (11) of energy discharge/charge gas, set inside heart analogies (2)
Conductive elastic foaming material (21) is set, there are blood analogies in elastic foaming material (21)；
Several conductive sheets are arranged in the surface of thoracic cavity moulding box (4), and conductive sheet and skin analogies connect；
It further include kinetic control system, gas pump (51) and liquid pump (52), gas pump (51) connection is arranged in kinetic control system
Reticulated elastomeric tubule (11)；Liquid pump (52) connects elastic foaming material (21)；
Skin analogies are the cotton or conductive plastic film for infiltrating the body fluid analogies of skin, and the body fluid analogies of skin are resistance
Rate is the material of the scattered paste shape of 650~750 Ω m.
2. thoracic electrical antibody mould as described in claim 1, which is characterized in that the front of thoracic cavity moulding box (4) opens up moulding box lid
(41), it is sealed between moulding box lid (41) and thoracic cavity moulding box (4)；Two circular holes are set on the top end face of thoracic cavity moulding box (4), are used respectively
In the connection of gas pump (51) and reticulated elastomeric tubule (11), the connection of liquid pump (52) and elastic foaming material (21).
3. thoracic electrical antibody mould as described in claim 1, which is characterized in that the quantity of conductive sheet is 17, including 16
Along the circumferentially distributed skin conductivity piece (421) of thoracic cavity moulding box (4) and 1 reference electrode conductive sheet (422).
4. thoracic electrical antibody mould as described in claim 1, which is characterized in that further include calibration marker, calibration marker is to set
Set the metal ball and/or wire inside the die body of thoracic cavity.
5. such as the described in any item thoracic electrical antibody moulds of Claims 1 to 4, which is characterized in that subdermal muscle analogies, muscle
Microstructure modeling object is made of the elastic material that the resistivity that coated fertilizer and coated fertilizer coat is 210~230 Ω m；Its
In, coated fertilizer is conductive plastic film or the spun yarn textile cloth after the infiltration of the body fluid analogies of muscle；Wherein, the body of muscle
Liquid analogies are the materials for the scattered paste shape that resistivity is 650~750 Ω m.
6. such as the described in any item thoracic electrical antibody moulds of Claims 1 to 4, which is characterized in that lung analogies (1) include left lung
Analogies (1), right lung analogies (1), left lung analogies (1), right lung analogies (1) inside be respectively provided with reticulated elastomeric tubule
(11), lobe of the lung analogies, the two panels lobe of the lung analogies of upper and lower two sides setting are respectively arranged in the two sides up and down of reticulated elastomeric tubule (11)
It is coated togather by coated fertilizer；Lobe of the lung analogies are formed by the elastic material that resistivity is 380~450 Ω m；Wherein, it wraps
The conductive plastic film or the spun yarn textile cloth after the infiltration of transpulmonary body fluid analogies that membrane material is high impedance；Wherein, the body of lung
Liquid analogies are the materials for the scattered paste shape that resistivity is 650~750 Ω m.
7. such as the described in any item thoracic electrical antibody moulds of Claims 1 to 4, which is characterized in that the inside of heart analogies (2)
Conductive elastic foaming material (21) is set, and myocardium analogies, two pieces of myocardium analogies are respectively arranged in the two sides of elastic foaming material (21)
It is coated togather by coated fertilizer；Wherein, myocardium analogies are formed by the elastic material that resistivity is 210~230 Ω m；Its
In, conductive plastic film or the spun yarn textile cloth after the infiltration of the body fluid analogies of heart that coated fertilizer is high impedance；Wherein,
The body fluid analogies of heart are the materials of the scattered paste shape of 650~750 Ω m of resistivity.
8. the preparation method of the described in any item thoracic electrical antibody moulds of claim 1~7, which is characterized in that comprising steps of
1) thoracic cavity moulding box (4) are made, the moulding box lid of thoracic cavity moulding box (4) is open；
2) it makes and places skin analogies；
3) it makes and places subdermal muscle analogies；
4) it makes and places bone analogies；
5) it makes and places musculature analogies；
6) it makes and places heart analogies (2), lung analogies (1)；
7) skin analogies, subdermal muscle analogies and the musculature analogies for covering cope opening, close thoracic cavity mould
Case (4)；
8) kinetic control system is connected；
Wherein, further include step 6-1 between step 6) and step 7) when calibration marker is arranged in thoracic electrical antibody mould) it puts
Set calibration marker.
9. the maintenance process of the described in any item thoracic electrical antibody moulds of claim 1~7, which is characterized in that
Temporary unused thoracic electrical antibody mould, chest die body is separated with kinetic control system, in extraction heart analogies (2)
The inner blood analogies of elastic foaming material (21), and reticulated elastomeric tubule (11) and elastic foaming material (21) are sealed；
Chest die body is placed in 0 DEG C of refrigerator-freezer below and refrigerates；
Before reusing, chest die body 15~25 DEG C place 2~3 hours so that the organ analogies in chest die body deep and
Microstructure modeling object restores elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710571613.4A CN107202820B (en) | 2017-07-13 | 2017-07-13 | A kind of thoracic electrical antibody mould and its preparation and maintenance process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710571613.4A CN107202820B (en) | 2017-07-13 | 2017-07-13 | A kind of thoracic electrical antibody mould and its preparation and maintenance process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107202820A CN107202820A (en) | 2017-09-26 |
| CN107202820B true CN107202820B (en) | 2019-11-29 |
Family
ID=59911805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710571613.4A Active CN107202820B (en) | 2017-07-13 | 2017-07-13 | A kind of thoracic electrical antibody mould and its preparation and maintenance process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107202820B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693498B (en) * | 2019-11-11 | 2021-08-03 | 中国科学院武汉物理与数学研究所 | Multi-nuclear magnetic resonance system lung gas imaging signal-to-noise ratio/uniformity testing device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6780016B1 (en) * | 2000-10-23 | 2004-08-24 | Christopher C. Toly | Human surgical trainer and methods for training |
| JP2007528029A (en) * | 2004-03-08 | 2007-10-04 | ザ ジョンズ ホプキンス ユニバーシティ | Medical training and evaluation apparatus and method |
| WO2008151202A2 (en) * | 2007-06-03 | 2008-12-11 | The Regents Of The University Of California | Elastic deformable heart and torso phantom for nuclear imaging of heart with realistic modes of cardiac and respiratory motion |
| US8360786B2 (en) * | 2009-04-29 | 2013-01-29 | Scott Duryea | Polysomnography training apparatus |
| US20130089186A1 (en) * | 2011-10-05 | 2013-04-11 | General Electric Company | X-ray calibration device |
| WO2014018703A2 (en) * | 2012-07-25 | 2014-01-30 | Traves Dean Crabtree | Surgical simulation model and methods of practicing surgical procedures using the same |
| US10952634B2 (en) * | 2013-10-04 | 2021-03-23 | Swisstom Ag | Electrical impedance tomography system |
| CN208404574U (en) * | 2017-07-13 | 2019-01-22 | 西北机器有限公司 | A kind of thoracic electrical antibody mould |
-
2017
- 2017-07-13 CN CN201710571613.4A patent/CN107202820B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107202820A (en) | 2017-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208404574U (en) | A kind of thoracic electrical antibody mould | |
| CN107862963B (en) | A kind of intervention of percutaneous coronary is performed the operation external training, test macro | |
| US8535061B2 (en) | Human torso phantom for imaging of heart with realistic modes of cardiac and respiratory motion | |
| CN107527543A (en) | A kind of surgical simulation equipment and surgery simulation system | |
| Robinson et al. | New materials for dielectric simulation of tissues | |
| CN102908125B (en) | Vivid physical simulation model for electrical impedance scanning imaging of breast | |
| US5805665A (en) | Anthropomorphic mammography phantoms | |
| CN107202820B (en) | A kind of thoracic electrical antibody mould and its preparation and maintenance process | |
| CN112231997A (en) | Thoracic cavity electrical impedance simulation method based on human tissue conductivity refined modeling design | |
| CN109036061A (en) | A kind of Digital stomach and intestine machine simulation operations training simulation people and preparation method thereof | |
| CN111154648B (en) | Stem cell source exosome culture device | |
| Chrysanthou-Baustert et al. | Characterization of attenuation and respiratory motion artifacts and their influence on SPECT MP image evaluation using a dynamic phantom assembly with variable cardiac defects | |
| Dunne et al. | A realistic pelvic phantom for electrical impedance measurement | |
| CN206672493U (en) | Liver neoplasm Ultrasound-guided Biopsy training pattern | |
| CN1887230A (en) | Partial dynamic human body object model device for CT imaging | |
| CN208640712U (en) | A kind of vital capacity measuring device with sterilizing function | |
| CN103700305A (en) | Breast rheid model applied to mammary gland impedance scanning detection technique training and preparation | |
| CN216317594U (en) | Respiratory system simulation test device for thoracic EIT | |
| CN111887876A (en) | Flexible motion phantom and system for testing motion imaging performance of CT/magnetic resonance | |
| CN107405098A (en) | A kind of device for being used to detect terminal colon and anorectal function | |
| CN1967626A (en) | CO for simulating human body tepidity2Pneumoperitoneum experimental device | |
| CN209574731U (en) | A kind of superficial foci ultrasonic examination coupling pad | |
| Dem’yanenko et al. | Fabrication of three-dimensional human chest phantom for investigation of the propagation of electromagnetic waves of the microwave range | |
| CN206566934U (en) | A kind of bio-pharmaceuticals water bath | |
| CN107727646A (en) | A kind of device for fast detecting of clenbuterol content |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |