CN201196849Y - Model for training hemostasis operation of artery and vein - Google Patents
Model for training hemostasis operation of artery and vein Download PDFInfo
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- CN201196849Y CN201196849Y CNU2008200745921U CN200820074592U CN201196849Y CN 201196849 Y CN201196849 Y CN 201196849Y CN U2008200745921 U CNU2008200745921 U CN U2008200745921U CN 200820074592 U CN200820074592 U CN 200820074592U CN 201196849 Y CN201196849 Y CN 201196849Y
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Abstract
The utility model discloses an arteriovenous hemostasis operation training model by which a trainer can vividly observe the hemorrhage hemorrhage. The training model comprises a simulated human body, a liquid circulation system and a control circuit box, wherein the liquid circulation system comprises a circulation branch circuit formed by the order connection of a liquid input tube, a liquid pump, an electromagnetic valve and a liquid output tube; the simulated human body is made of materials having similar elasticity to human muscles, a liquid tube in the simulated human body is connected with the liquid output tube, the surface of the simulated human body is provided with a replaceable wound surface, a liquid reclaim box is closed and covers the wound surface, and is connected with the liquid output tube, and the inside of the simulated human body is provided with a pressure sensor; and the control circuit box consists of a singlechip system, a keyboard and a display circuit, and the singlechip system can control the liquid pump and the electromagnetic valve. The training model can vividly simulate the hemorrhage hemorrhage, and the speed of the liquid flow is controllable, so that the bleeding under different traumatic conditions can be simulated.
Description
Technical field
The utility model relates to the medical teaching instrument, more particularly, is the hemorrhage model for training hemostasis operation of simulation artery and vein.
Background technology
Hemostasis is a basic first aid technical ability, and whether utilization the proper life security that often is related to the patient.Because lack the practice machine meeting, medical personnel's hemostasis operation is unskilled, be difficult to especially carry out towards the hemostasis skills training of ordinary populace.Need to develop a kind of hemostasis skills training product for this reason, can repeat hemostasis operation, and can estimate, so that technical ability improves operation.The company that is engaged in the medical educational instrument development has developed multiple emergency care model in succession, can wrap up, operation such as surface of a wound nursing.Amputation and hemostasis training module as the exploitation of Laerdal company have the surface of a wound true to nature, can train tourniquet to use operations such as elasticity dressing wrapping.Yet this series products is can't the realistic simulation artery and vein hemorrhage at present, information such as dynamics that also can't the perception hemostasis operation, position, and training effect is limited.
The utility model content
Technical problem to be solved in the utility model is, overcomes the deficiencies in the prior art, provides a kind of trainee can observe the hemorrhage artery and vein model for training hemostasis operation of artery and vein true to nature.
The utility model artery and vein model for training hemostasis operation is achieved by following technical proposals, and described training pattern comprises anthropomorphic dummy's limbs, fluid circulation system and control circuit box;
Described fluid circulation system comprises the circulation branch road that is connected successively by liquid input tube spare, liquid pump, solenoid valve, liquid output pipe spare;
Described anthropomorphic dummy's limbs are made of the material similar to human muscle's elasticity, the liquid line of limbs inside links to each other with liquid output pipe spare, anthropomorphic dummy's limbs surface is provided with the replaceable surface of a wound, the liquids recovery box is airtight to cover on the surface of a wound, the liquids recovery box is connected with liquid input tube spare, in anthropomorphic dummy's limbs pressure transducer is housed;
The control circuit box is made up of Single Chip Microcomputer (SCM) system, keyboard, display circuit, Single Chip Microcomputer (SCM) system controlling liquid pump and solenoid valve.
Anthropomorphic dummy's limbs described in the utility model are upper limbs or lower limb.Described anthropomorphic dummy's limbs are upper limbs, and liquid line is provided with the liquid three-way interface under the surface of a wound, and one the tunnel is directly connected to the blutpunkte on the surface of a wound, and another road extends distally to wraparound surface of a wound blutpunkte behind the wrist joint by silicone tube.Described anthropomorphic dummy's limbs are made of the silica gel material similar to human muscle's elasticity.
Liquids recovery box described in the utility model adopts transparent organic glass to make.The liquid pump two ends of described circulation branch road damper in parallel.
Single Chip Microcomputer (SCM) system described in the utility model connects PC by the ethernet communication module and realizes online mode.
Compared with prior art, the beneficial effects of the utility model are:
1. the hemorrhage simulation of artery and vein true to nature is provided, the speed-controllable of liquid flow, thus can simulate hemorrhage under the condition of the injury in various degree.
2. the surface of a wound is replaceable, makes that multiple wound hemostasis training can a shared cover system.
3. the employing liquid circulating apparatus makes the liquid that flows out to reclaim, and has reduced the cost of hemorrhage simulation.
4. can detect the dynamics of tourniquet ligation, thereby the foundation of science is provided for the hemostasis operation effect assessment.
5. both can work in single cpu mode, and can work in online mode again, connected mode is flexible, provides convenience for setting up the hemostasis training network.
Description of drawings
Fig. 1 is the fluid circulation system structural drawing;
Fig. 2 is arm model structure figure;
Fig. 3 is the control system block diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is the fluid circulation system structural drawing, pump 11, damper 12, solenoid valve 13, liquid input connecting tube 14, liquid output connecting tube 15.The direction of arrow is indicated liquid flow direction among the figure, and straight line is represented liquid line.
Fig. 2 is arm model structure figure, emulation arm 1, liquids recovery box 2, pulse touch point 3, liquid three-way interface 4, liquid recovery tube 5, liquid input tube 6, pressure transducer 7, pressure transducer stube cable 8, the replaceable surface of a wound 9, blood outlet 10.
Fig. 3 is the control system block diagram.Wherein part all is positioned at control circuit box inside in the frame of broken lines.
The artery and vein model for training hemostasis operation comprises anthropomorphic dummy's limbs, fluid circulation system, control circuit box, four parts of PC.Because anthropomorphic dummy's limbs can be complete, also can only possess an arm, for simplicity, below all be illustrated with the arm model.
Annexation between artery and vein model for training hemostasis operation four parts is as follows:
1. the liquid input tube 6 of arm model links to each other with liquid output connecting tube 15 among Fig. 1 among Fig. 2, and the liquid recovery tube 5 of arm model links to each other with liquid input connecting tube 14 among Fig. 1 among Fig. 2, to realize hemorrhage simulation.
Among Fig. 2 among pressure transducer stube cable 8, Fig. 1 the power lead of liquid pump 11 and solenoid valve 13 receive in the control enclosure respectively, thereby control enclosure can adjust the power of pump, the switch of solenoid valve is controlled.
3. control enclosure links to each other with PC by netting twine, to realize the communication between the two.
Below be illustrated with regard to the implementation method of artery and vein model for training hemostasis operation each several part.
One, arm model
The arm model adopts the silica gel material similar to human muscle's elasticity to mould among Fig. 2, and the internal package plastic conduit with the simulation bone, has supporting role to arm.The rigid plastic bore should be greater than the liquid line external diameter, thereby liquid line can pass through from inside of plastic tubes.Need design the position of the surface of a wound in arm, open the groove of certain depth, install to cooperate the surface of a wound.The liquids recovery box covers on the surface of a wound, and guarantees airtight.The liquids recovery box adopts transparent organic glass to make, and makes things convenient for the user to observe hemorrhage situation.Lay a liquid three-way interface 4 under the surface of a wound, the liquid that this interface will flow into arm is divided into two-way, and one the tunnel directly flows out by the blutpunkte on the surface of a wound, and another road extends to the wrist joint place of arm, through the wrist joint wraparound surface of a wound, flow out through the blutpunkte equally at last again.Walk around carpal liquid line and adopt silicone tube soft, good springiness, thereby when the simulation arterial hamorrhage, the user can touch the arteriopalmus phenomenon at anthropomorphic dummy's radial artery place.Pressure transducer is installed in 1/3 place on the arm, adopts the sensor chip ME501 of METALLUX ELECTRONIC company, measurement range 1 atmospheric pressure (being roughly equal to 752mmHg).
Two, the circulation system
Adopt element structure fluid circulation system among Fig. 1, each element annexation is with reference to Fig. 1.Liquid pump 11 can adopt membrane pump, direct current supply, delivery rate 2～3L/min.Solenoid valve will be selected the higher model of switching frequency for use, should be not less than 160 times/minute.It is suitable that the resistance of damper will be adjusted, and makes solenoid valve open under the condition, will be much smaller than the fluid flow by solenoid valve by the fluid flow of damper; When closed electromagnetic valve, guarantee that liquid can flow through by damper simultaneously, faults such as booster can not take place.
Three, control circuit box
Fig. 3 illustrated that the inside of control circuit box constitutes and and other parts of artery and vein model for training hemostasis operation between relation.The control circuit box need finish pump power the control of adjustment, electromagnetic valve switch, with major functions such as PC communication, pressure signal collection, also to support keyboard input and charactron to show simultaneously.The main circuit module of forgiving for the control circuit box in the frame of broken lines among Fig. 3, existing realization with regard to the main circuit module is illustrated.
1.C8051F330 Single Chip Microcomputer (SCM) system
Adopt the C8051F330 chip to make up Single Chip Microcomputer (SCM) system, the built-in AD acquisition module of C8051F330, pressure sensor signal is imported as simulating signal through amplification, low-pass filtering; Utilize the built-in PWM output function of C8051F330, through the photoelectricity of signal isolate and power amplification as the input of pump, realize the adjustment of pump power output; Utilize C8051F330 numeral output function, through signal photoelectricity isolate and power amplification as the input of solenoid valve, realize the switch control of solenoid valve; Utilize the serial ports of C8051F330, change ethernet module by serial ports, realization is communicated by letter with PC's; Utilize digital I/O port, supervisory keyboard and the demonstration of C8051F330.
2. charactron display circuit
Adopt charactron display control chip BC7281 to realize that charactron shows control.Charactron need show hemostasis pressure (3 is unit with mmHg), hemostasis operation time (3 is unit with the second), frequency of training (2), proper operation number of times (2), pulse frequency information such as (3, unit is time/minute).
3. keyboard
According to the function that artery and vein model for training hemostasis operation needs are finished, determine that system needs buttons such as " operation beginning ", " parameter setting ", " connection mode selection ", " hemorrhage model selection ", " training/examination model selection ", " increase ", " reducing ", " resetting ".Wherein " parameter setting " button cooperates " increases ", the use of " reducing " button, finishes the function that is provided with of pulse frequency, hemorrhage speed, number of operations." connection mode selection " button is used for the switching under online mode and single cpu mode." hemorrhage model selection " button is used for switching between artery and vein is hemorrhage." training/examination model selection " button is used for switching between training mode and examination pattern.
4. serial ports changes the ethernet communication module
Adopt the serial ports of Zhou Ligong single-chip microcomputer company exploitation to change ethernet communication module ZNE-100PT, the realization single-chip microcomputer is communicated by letter with PC.Need information such as exchange hemostasis pressure, pulse frequency, running time, number of operations, proper operation number of times between single-chip microcomputer and the PC, PC will send orders such as beginning, shut-down operation to single-chip microcomputer simultaneously.
5.PC machine
PC should possess network interface card, and needs to install artery and vein training hemostasis operation simulation softward.Artery and vein training hemostasis operation simulation softward is finished the demonstration of communication data, and can send the hardware of order control artery and vein model for training hemostasis operation.PC is the apolegamy parts, and what do not need that the on-line working pattern uses need not to dispose PC.
After the utility model was started working, simulate blood, flowed out from the hemorrhage surface of a wound through anthropomorphic dummy's limbs from fluid circulation system, after the operator carries out correct hemostasis operation, and stopped bleeding.The decision condition of single operation success is: hemostasis pressure maintains correct pressure limit and surpasses 15 seconds, and correct hemostasis pressure limit is with reference to clinical empirical value, i.e. upper limbs hemostasis pressure is at 250mmHg～300mmHg, and lower limb are at 500mmHg
-600mmHg.
The utility model selectively operating comprises online mode and single cpu mode in different patterns, arterial hamorrhage pattern and phleborrhagia pattern, teaching pattern and examination pattern.
Online mode and single cpu mode: under the online mode, control enclosure is by Ethernet and PC communication, and the operator can be by the opening, stopping of PC software interface control hemostasis training, and obtains information such as hemostasis pressure on the PC display.Work under the online mode, by Ethernet, a PC can be controlled many hemostasis operation models simultaneously, for building network is provided convenience.Work under the single cpu mode, control enclosure disconnects and the PC communication, and the operator can be by the process of the hemostasis of the Keyboard Control on control enclosure training, and obtains information such as hemostasis pressure from charactron.No matter be work in online, still under the single cpu mode, the operator all can adjust hemorrhage pattern (can select artery or phleborrhagia), training mode (can select teaching pattern or examination pattern), hemorrhage speed (speed is made as 5 grades), pulse frequency (40～160 times/minute adjustable), number of operations (1～99 time adjustable).
Arterial hamorrhage pattern and phleborrhagia pattern: under the arterial hamorrhage pattern, single-chip microcomputer is by the switch of control electromagnetic valve, obtains the liquid flow of beating on hemorrhage branch road, thus the flowing of simulation human body arterial blood.The switching frequency of solenoid valve is consistent with the pulse frequency that the operator sets.Under the phleborrhagia pattern, solenoid valve is in normally open, and liquid flow is steady.
Teaching pattern and examination pattern: the difference of the two is the different of displaying contents.Under the teaching pattern, the operator can be from the information of display (online mode) or the current hemostasis pressure of charactron (single cpu mode) acquisition, and the operator can adjust the dynamics that applies of tourniquet according to video data; Under the examination pattern, the hemostasis pressure information in the display operation process when training finishes, is not given a mark according to the correct number of times of operation.
Claims (7)
1. an artery and vein model for training hemostasis operation is characterized in that, described training pattern comprises anthropomorphic dummy's limbs, fluid circulation system and control circuit box;
Described fluid circulation system comprises the circulation branch road that is connected successively by liquid input tube spare, liquid pump, solenoid valve, liquid output pipe spare;
Described anthropomorphic dummy's limbs are made of the material similar to human muscle's elasticity, the liquid line of limbs inside links to each other with liquid output pipe spare, anthropomorphic dummy's limbs surface is provided with the replaceable surface of a wound, the liquids recovery box is airtight to cover on the surface of a wound, the liquids recovery box is connected with liquid input tube spare, in anthropomorphic dummy's limbs pressure transducer is housed;
The control circuit box is made up of Single Chip Microcomputer (SCM) system, keyboard, display circuit, Single Chip Microcomputer (SCM) system controlling liquid pump and solenoid valve.
2. artery and vein model for training hemostasis operation according to claim 1 is characterized in that, described anthropomorphic dummy's limbs are upper limbs or lower limb.
3. artery and vein model for training hemostasis operation according to claim 2, it is characterized in that, described anthropomorphic dummy's limbs are upper limbs, liquid line is provided with the liquid three-way interface under the surface of a wound, one the tunnel is directly connected to the blutpunkte on the surface of a wound, and another road extends distally to wraparound surface of a wound blutpunkte behind the wrist joint by silicone tube.
4. artery and vein model for training hemostasis operation according to claim 1 is characterized in that, described liquids recovery box adopts transparent organic glass to make.
5. artery and vein model for training hemostasis operation according to claim 1 is characterized in that, the liquid pump two ends of described circulation branch road damper in parallel.
6. artery and vein model for training hemostasis operation according to claim 1 is characterized in that, described anthropomorphic dummy's limbs are made of the silica gel material similar to human muscle's elasticity.
7. artery and vein model for training hemostasis operation according to claim 1 is characterized in that, described Single Chip Microcomputer (SCM) system connects PC by the ethernet communication module and realizes online mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200745921U CN201196849Y (en) | 2008-04-29 | 2008-04-29 | Model for training hemostasis operation of artery and vein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200745921U CN201196849Y (en) | 2008-04-29 | 2008-04-29 | Model for training hemostasis operation of artery and vein |
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| Publication Number | Publication Date |
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| CN201196849Y true CN201196849Y (en) | 2009-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200745921U Expired - Fee Related CN201196849Y (en) | 2008-04-29 | 2008-04-29 | Model for training hemostasis operation of artery and vein |
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| CN (1) | CN201196849Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100595815C (en) * | 2008-04-29 | 2010-03-24 | 中国人民解放军军事医学科学院卫生装备研究所 | Model for training hemostasis operation of artery and vein |
| CN112325938A (en) * | 2020-10-30 | 2021-02-05 | 中国人民解放军陆军军医大学 | Upper limb tourniquet effect measuring device |
-
2008
- 2008-04-29 CN CNU2008200745921U patent/CN201196849Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100595815C (en) * | 2008-04-29 | 2010-03-24 | 中国人民解放军军事医学科学院卫生装备研究所 | Model for training hemostasis operation of artery and vein |
| CN112325938A (en) * | 2020-10-30 | 2021-02-05 | 中国人民解放军陆军军医大学 | Upper limb tourniquet effect measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20100429 |