CN201681530U - Cerebral edema simulator - Google Patents
Cerebral edema simulator Download PDFInfo
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- CN201681530U CN201681530U CN2010201921307U CN201020192130U CN201681530U CN 201681530 U CN201681530 U CN 201681530U CN 2010201921307 U CN2010201921307 U CN 2010201921307U CN 201020192130 U CN201020192130 U CN 201020192130U CN 201681530 U CN201681530 U CN 201681530U
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- cerebral edema
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- encephaledema
- lower house
- upper shell
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Abstract
The utility model relates to a cerebral edema simulator, which is characterized in that a lower shell is arranged at the upper end of a supporting rack, and a syringe is arranged on the lower shell; an upper shell is arranged at the upper end of the lower shell to form a spherical shell, and a top cover is arranged at the top of the upper shell; an exciting coil is arranged at the upper part, and a detecting coil is arranged at the lower part; and the syringe is communicated with a skin expander arranged in the spherical shell through a communicating pipe, the spherical shell is provided with a sodium chloride solution with the same conductivity as the normal brain tissue, and the skin expander is injected with the sodium chloride solution with the same conductivity as the normal cerebral edema tissue. The skin expander is positioned at different parts in a skull model to form irregular cerebral edema regions so as to realistically simulate the situation of cerebral edema in a skull, and the order of severity of cerebral edema can be simulated by adjusting the concentration of the sodium chloride solution in the skin expander, i.e., the conductivity; and the geometric size of the cerebral edema can be simulated by adjusting the volume of the sodium chloride solution in the skin expander. The utility model can be used in the study of monitoring technology of cerebral edema.
Description
Technical field
The utility model belongs to biomedical technical field of medical instruments, is specifically related to a kind of cerebral edema simulator.
Background technology
Brain Medicine and Surgery diseases such as all kinds of craniocerebral trauma, brain tumor excision, cerebral ischemia, brain tumor, encephalitis disease and HACE, its M ﹠ M has entered the common lethal pathology of front three.These brain Medicine and Surgery diseases all are attended by the symptom of encephaledema, to the monitoring of the encephaledema order of severity, are that the doctor understands state of an illness truth and instructs the important evidence for the treatment of.
At present, the conventional sense mode to the encephaledema patient mainly contains two kinds both at home and abroad, and a kind of is to rely on Device Diagnostics such as CT, MRI, and this mode is the expense height not only, also is unsuitable for the patient that the state of an illness is critical, can not move repeatedly.Another kind is to carry out pressure measurement or intracranial pressure is directly measured by lumbar puncture, and that this mode exists is traumatic, cause patient's the problem that misery, supervision time are long and expense is high easily.Simultaneously, these two kinds of methods all can not be carried out in patient bedside, can not continuous several times detect, and are not suitable for continuous bedside monitoring.Therefore, development encephaledema monitoring technology is very necessary for determining that in time the state of an illness instructs treatment, reduces all kinds of cerebral disease mortality ratio.
In development encephaledema monitoring Study on Technology, particularly the encephaledema monitoring technical research enter clinical before the experimental system parameter determine, design studies, experimental debugging and timing, need a kind ofly can simulate the encephaledema analogue experiment installation that brain tissue and encephaledema electrology characteristic, encephaledema geometric configuration scrambling, encephaledema are formed on optional position, the encephaledema order of severity etc.
In the encephaledema monitoring Study on Technology, use the organic glass spherical model to add agar block and simulate encephaledema at present, the agar block of simulation encephaledema is made and be not easy to regulate the change and the erose formation of geometric size, conductivity in experiment.Mexico and American scholar are used the empirical model simulation encephaledema of double-deck organic glass spherical structure, have realized that the convenient of encephaledema volume regulated in the experiment, but can not simulate the scrambling in the actual generation of encephaledema zone and the formation of optional position.
In the encephaledema monitoring Study on Technology, current pressing for provides a kind of geometric configuration scrambling, the encephaledema that can simulate encephaledema electrology characteristic, encephaledema to be formed on the experimental provision of encephalic optional position, the encephaledema order of severity, determine for the encephaledema monitoring technical research enters preclinical systematic parameter, design studies, experimental debugging and correction etc. provide a more real encephaledema simulation experiment study instrument, obtain more reliable simulated experiment foundation.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned cerebral edema simulator, provide a kind of reasonable in design, simple in structure, cost of products is low, can simulate the cerebral edema simulator of encephaledema in the cranium actual state truly.
Solving the problems of the technologies described above the technical scheme that is adopted is: be provided with lower house in the upper end of bracing frame, lower house is provided with syringe, the upper end of lower house is provided with upper shell and constitutes the spheroid shell, the top of upper shell is provided with that top cover, top are provided with drive coil, the bottom is provided with magnetic test coil, syringe links by cross over pipe and the skin dilator that is arranged in the spheroid shell, be equipped with in the spheroid shell and the identical sodium-chloride water solution of normal cerebral tissue's conductivity, be marked with the sodium-chloride water solution identical in the skin dilator with the encephaledema tissue conductivities.
Skin dilator of the present utility model is the cryptomere transparent body.Upper shell of the present utility model and lower house are the transparent body.
The radius of upper shell of the present utility model is identical with the radius of lower house, and the volume of upper shell is more than or equal to the volume of lower house.
The utility model adopts and inject the conductivity sodium-chloride water solution identical with the brain tissue conductivity in the skull model, in skin dilator, inject the sodium-chloride water solution of simulation encephaledema conductivity, skin dilator is suspended in the sodium-chloride water solution of simulation brain tissue in the skull model, because skin dilator pliability, can form irregular encephaledema zone at the diverse location in the skull model, simulate the situation that encephaledema exists at encephalic more realistically.Concentration by sodium-chloride water solution in the adjusting skin dilator is conductivity, can simulate the order of severity of encephaledema, regulate the volume of sodium-chloride water solution in the skin dilator, can simulate the geometric size of encephaledema, overcome the encephaledema geometric configuration that existing similar analogue means can only analog rule, can not simulate the scrambling of true encephaledema geometric configuration.The utlity model has reasonable in design, simple in structure, cost of products is low, can simulate advantages such as encephaledema actual state, can in the encephaledema monitoring Study on Technology, use.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the vertical view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
In Fig. 1, the cerebral edema simulator of present embodiment is made of upper shell 1, skin dilator 2, top cover 3, drive coil 4, magnetic test coil 5, lower house 6, syringe 7, cross over pipe 8, bracing frame 9 connections.
The bracing frame 9 of present embodiment is an organic glass products, be shaped as trapezoidal, stick with glue to connect in the upper end of bracing frame 9 lower house 6 is installed, being shaped as of lower house 6 is spherical, lower house 6 is the transparent body, be pressed into the upper end mould moulding of lower house 6 and the lower house 6 lower link dish that has been connected as a single entity with organic glass.It is crown that upper shell 1 is shaped as hemisphere, upper shell 1 is the transparent body, be pressed into organic glass, molded being connected as a single entity with upper shell 1 of the lower films of upper shell 1 gone up tie-plate, the radius of upper shell 1 is identical with the radius of lower house 6, the volume of upper shell 1 is equipped with O-ring seal greater than the volume of lower house 6 between last tie-plate and the lower link dish, and last tie-plate is fixedly connected into the spheroid shell with the lower link dish with the screw threads for fastening connector.On the last tie-plate of upper shell 1 lower end magnetic test coil 5 is installed, magnetic test coil 5 is to be that enameled wire coiling 10 circles of 0.7mm constitute by diameter, and magnetic test coil 5 is used for receiving electromagnetic signals.On the top of upper shell 1 drive coil 4 is installed, drive coil 4 is to be that enameled wire coiling 10 circles of 0.7mm constitute by diameter, drive coil 4 is connected the back with driving source and is produced excitation field, the top axial position of upper shell 1 is equipped with top cover 3 by thread connection, opening top cover 3, can be that 0.028% sodium-chloride water solution joins and is used to simulate brain tissue in the spheroid shell with massfraction.The bottom axial location of lower house 6 is equipped with syringe 7, one end of the upper end of syringe 7 and cross over pipe 8 links, the other end of cross over pipe 8 links with the skin dilator 2 that is placed in the lower house 6, skin dilator 2 is the transparent cystidium of Polyvinylchloride film preparation, be 0.044% sodium-chloride water solution with syringe 7 by cross over pipe 8 implantation quality marks in the skin dilator 2, be used to simulate encephaledema.Skin dilator 2 floats in the interior sodium-chloride water solution of spheroid shell, can produce the encephaledema of irregular encephaledema zone and optional position.
The volume of the upper shell 1 of present embodiment equates with the volume of lower house 6.The connecting relation of other parts and parts is identical with embodiment 1.
Principle of work of the present utility model is as follows:
Add the sodium-chloride water solution identical in the spheroid shell, be used to simulate the electrical quantity of brain tissue, inject the sodium-chloride water solution identical in the skin dilator 2, be used to simulate the electrical quantity of encephaledema tissue with the encephaledema conductivity with the brain tissue conductivity.The concentration of regulating sodium-chloride water solution in the skin dilator 2 by syringe 7 is conductivity, can simulate the order of severity of encephaledema, the volume of regulating sodium-chloride water solution in the skin dilator 2 can be simulated the geometric size of encephaledema, simulates the situation that encephaledema exists at encephalic truly.Be added to the sinusoidal signal of setpoint frequency on the drive coil 4, produce excitation field, enter in the global shell by upper shell 1, because the conductivity of the sodium-chloride water solution in the skin dilator 2 and the conductivity of encephaledema tissue are approximate, the conductivity of skin dilator 2 outer sodium-chloride water solutions and normal cerebral tissue's conductivity are approximate, sodium-chloride water solution in the skin dilator 2 is a conductor, can produce eddy current in the sodium-chloride water solution in the skin dilator 2, alternating magnetic field by the eddy current generation, can detect by coil 5, detected signal and reference signal relatively produce phase differential and change, and can obtain the change information of many group phase differential by model.By the utility model provide the reflection encephaledema to produce and change procedure in conductivity, volume and location parameter, for the encephaledema monitoring technical research enters that preclinical systematic parameter is definite, design studies, experimental debugging and correction provide a kind of encephaledema simulated experiment instrument.
Claims (3)
1. cerebral edema simulator, it is characterized in that: be provided with lower house (6) in the upper end of bracing frame (9), lower house (6) is provided with syringe (7), the upper end of lower house (6) is provided with upper shell (1) and constitutes the spheroid shell, the top of upper shell (1) is provided with top cover (3), top is provided with drive coil (4), the bottom is provided with magnetic test coil (5), syringe (7) links by cross over pipe (8) and the skin dilator (2) that is arranged in the spheroid shell, be equipped with in the spheroid shell and the identical sodium-chloride water solution of normal cerebral tissue's conductivity, be marked with the sodium-chloride water solution identical in the skin dilator (2) with the encephaledema tissue conductivities.
2. according to the described cerebral edema simulator of claim 1, it is characterized in that: said skin dilator (2) is the cryptomere transparent body; Said upper shell (1) and lower house (6) are the transparent body.
3. according to claim 1 or 2 described cerebral edema simulators, it is characterized in that: the radius of said upper shell (1) is identical with the radius of lower house (6), and the volume of upper shell (1) is more than or equal to the volume of lower house (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201921307U CN201681530U (en) | 2010-05-14 | 2010-05-14 | Cerebral edema simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201921307U CN201681530U (en) | 2010-05-14 | 2010-05-14 | Cerebral edema simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201681530U true CN201681530U (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201921307U Expired - Lifetime CN201681530U (en) | 2010-05-14 | 2010-05-14 | Cerebral edema simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201681530U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853598B (en) * | 2010-05-14 | 2011-11-23 | 中国人民解放军第三军医大学 | Cerebral edema simulator |
| CN103110408A (en) * | 2013-03-14 | 2013-05-22 | 重庆大学 | Encephaledema monitoring device |
| CN105869495A (en) * | 2015-01-21 | 2016-08-17 | 襄阳市中心医院 | Human body model for medical CT percutaneous puncture training |
-
2010
- 2010-05-14 CN CN2010201921307U patent/CN201681530U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853598B (en) * | 2010-05-14 | 2011-11-23 | 中国人民解放军第三军医大学 | Cerebral edema simulator |
| CN103110408A (en) * | 2013-03-14 | 2013-05-22 | 重庆大学 | Encephaledema monitoring device |
| CN105869495A (en) * | 2015-01-21 | 2016-08-17 | 襄阳市中心医院 | Human body model for medical CT percutaneous puncture training |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101222 Effective date of abandoning: 20111123 |