CN106847038A - Radial artery puncturing practises model - Google Patents
Radial artery puncturing practises model Download PDFInfo
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- CN106847038A CN106847038A CN201710229664.9A CN201710229664A CN106847038A CN 106847038 A CN106847038 A CN 106847038A CN 201710229664 A CN201710229664 A CN 201710229664A CN 106847038 A CN106847038 A CN 106847038A
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
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Abstract
Present invention aim at a kind of radial artery puncturing exercise model is disclosed, the system can be realized simulating radial artery, while the frequency and power of adjustable bounce.Including heart rate analog module, vascular pressure adjustment module, emulation arm and emulation radial artery, with red five parts of simulation blood.Compared with prior art, present system can practise radial artery puncturing to anesthesia student with analogue simulation radial artery bounce pressure and frequency close to real.The system is simple to operate, and man-machine interface exchange is friendly.Bounce part radial artery can meet repeatedly puncture needs, and can easily change.
Description
Technical field
The present invention relates to technical field of medical treatment mechanical, more particularly to a kind of medical experiment model.
Background technology
In the relevant prior art of venipuncture, structure design：There is a peristaltic pump, constitute closed cycle, flow can be produced.
It is relatively simple for structure, will not also produce artery.This structure does not have interface, non-adjustable, does not have man-machine interface.And relevant oar is dynamic
Arteries and veins puncturing pattern, there is presently no similar similar technique.
The content of the invention
Present invention aim at a kind of radial artery puncturing exercise model is disclosed, the system can be realized simulating radial artery, while
The frequency and power of adjustable bounce.
The present invention needs technical scheme to be protected to be characterized as：
A kind of radial artery puncturing practises model, is characterised by, including heart rate analog module, vascular pressure adjustment module, imitative
True arm and emulation radial artery, five parts of simulation blood with red.
The heart rate analog module, the speed for controlling simulation heart rate bounce.It includes peristaltic pump 4, the second stepping electricity
Machine 41, control module 10, regulation switch 2, simulation blood input port 12, simulation blood delivery outlet 13, second stepper motor 41 is defeated
Shaft 411 connects peristaltic pump 4, and the link control module 10 of second stepper motor 41, the connection regulation of the control module 10 is opened
2 are closed, the regulation switch 2 is input into as enter key to the rotating speed of the second stepper motor 41.The two ends of the peristaltic pump 4 connect respectively
It is connected to simulation blood input port 12, simulation blood delivery outlet 13.
The vascular pressure adjustment module, the module accesses the simulation blood of the heart rate analog module by three-way pipe
At delivery outlet 13, for maintaining pressure of foundation in simulated blood vessel.Vascular pressure adjustment module, it includes the first stepper motor 5, spiral shell
Bar 51, nut 52, bar blocks 53, line slideway guiding mechanism 54, control circuit 6, triple gate switch module 8, regulation switch 3,
Piston and cylinder post 55, first stepper motor 5 are fixed, and the output shaft of the first stepper motor 5 is coaxial with the screw rod 51 of vertical state, institute
State vertical screw rod 51, line slideway guiding mechanism 54, the three of piston 551 parallel, screw rod 51, nut 52 are threadedly coupled, described
Screw rod 51 is limited in round dot and is only capable of rotation in situ, the bar blocks 53 connect simultaneously line slideway guiding mechanism 54, piston 551,
Nut 52, by position effect so that when the first stepper motor 5 translating rotation for nut 52 drive bar blocks 53 on or under
Straight-line displacement, thus drive the synchronism stability in the cylinder post 552 of the piston 551 in bar blocks 53 move on the ground push-in pressurization or under
Shifting is shunk back release of pressure.The cylinder post 552 accesses whole simulated blood vessel road in simulation blood input port 13.The triple gate switch module
8 output is connected with the first stepper motor 5.
System can also include interactive module, and interactive module includes pressure sensor 9, control unit 1, display, input
Key, the output of pressure sensor 9 is connected with control unit 1, and the display input, enter key connect with control unit 1 respectively
Connect.
The interactive module is acquisition process and output module, and fluid pressure in simulated blood vessel is gathered by pressure sensor 9
Power, obtains maximal pressure force value VMAX, minimum pressure values MIN, the time T of waveform, and maximal pressure force value is considered as systolic pressure, minimum pressure
Value is considered as diastolic pressure, and the inverse of time cycle is considered as frequency, and the curve after display shows conversion.
The emulation arm and emulation radial artery, are arranged at the outside of casing 20, by simulating transducer potector and heart rate mould
Intend module, vascular pressure adjustment module to connect to form loop.
Simulation blood through simulation transducer potector in.
Compared with prior art, present system can be with analogue simulation radial artery bounce pressure and frequency, can be to anesthesia
Student practises radial artery puncturing close to real.The system is simple to operate, and man-machine interface exchange is friendly.Bounce part radial artery can
Meet and repeatedly puncture needs, and can easily change.
Brief description of the drawings
Fig. 1 is embodiment exterior structure schematic diagram
Fig. 2 is that Vascular basis press adjustment module principle schematic
Fig. 3 is that vascular pressure adjustment module is driven and guide frame schematic diagram
Fig. 4 is heart rate analog module principle schematic
Fig. 5 is power module electrical schematic
Fig. 6 is sensor collection, treatment, display schematic diagram
The collection of Fig. 7 sensors, treatment, the flow chart of display
Fig. 8 is overall system architecture schematic diagram (dotted line is electric wire, and solid line is simulated blood vessel)
Numeral mark：1 single-chip microcomputer (signal acquisition and processing module), 2 simulation heart rate regulation and control, 3 simulation regulating blood pressure (tri-states
Door), 4 peristaltic pumps, 41 second stepper motors, the simulated blood vessel of the second stepper motor output shaft 411,5 pressure regulation pump, 6 simulated blood vessels
Pressure regulation pump drive module, 7 stroke alarm modules, 8 triple gate switch modules, 9 pressure sensors, 10 peristaltic pump drive modules,
11 power supplys, 12 simulation blood input ports, 13 simulation blood delivery outlets, 14 power switches, 15 peristaltic pump starting switches, 16,17 three-way pipes,
19 radial artery devices, 20 cabinets, the heart rate of enclosure top 201,21 sets key, and 22 heart rate starting switches, 23 blood pressures set key, 24 oars
Arterial signal display screen, 51 screw rods, 52 nuts, 53 bar blocks, 54 line slideway guiding mechanisms, 55 pistons and cylinder post, 551 live
Plug, 552 cylinder post
Specific embodiment
Technical solution of the present invention is described further in conjunction with the accompanying drawings and embodiments.
Embodiment
The core of the system, preferably, is described below respectively.
Part I：Heart rate analog module
Speed for controlling simulation heart rate bounce.
Use the flow of peristaltic pump 4 adjustable to realize the frequency-adjustable of simulation heart rate.
The bounce of radial artery is realized using the pumping of the driving peristaltic pump 2500ml dosage per minute of the second stepper motor 41.
Use adjustable electric resistive as regulation 2 (being prior art) of switch, the regulation switch 2 concatenates control module
10, the control module 10 connects the second stepper motor 41, so that the rotating speed of peristaltic pump is adjusted, to adjust pumping admixture per minute
Amount, it is final to realize regulation heart rate.
As shown in figure 3, structure design：The heart rate analog module, it includes peristaltic pump 4, the second stepper motor 41, control
Module 10, regulation switch 2, simulation blood input port 12, simulation blood delivery outlet 13, the output shaft 411 of second stepper motor 41 connects
Connect peristaltic pump 4, the link control module 10 of second stepper motor 41, the connection regulation of the control module 10 switch 2, the tune
Section switch 2 is converted into the rotating speed of the second stepper motor 41 by resistance value in regulation access circuit from there through control module 10
The regulation and control of input, the regulation switch 2 is installed on the outside of system chassis 20.The two ends of the peristaltic pump 4 are connected to simulation
Blood input port 12, simulation blood delivery outlet 13, so as to connect whole simulation pipe-line system.
Part II：Vascular pressure adjustment module
The whole module is accessed at the simulation blood delivery outlet 13 of the heart rate analog module (such as Fig. 8 institutes by three-way pipe
Show), for maintaining pressure of foundation in simulated blood vessel system.
Realization mechanism：The pressure in simulated blood vessel is adjusted by the linear movement of the first stepper motor 5.Specifically, by
The output shaft of first stepper motor 5 controls stroke of the piston in cylinder post to control and maintain the basis of whole simulated blood vessel pipeline
Pressure.When pressure of foundation declines, the blood volume that push-in piston increases whole simulation pipe-line system carrys out pressure-raising, reaches certain threshold value then
Alarm；When hypertonia, return piston then lowers the blood pressure of whole simulation pipe-line system, reaches corresponding limiting threshold value then
The alarm of another sound is pointed out again.
The first stepper motor 5 is controlled by tri-state gate circuit to realize the regulation of the pressure in simulated blood vessel.
As shown in Figure 2 and Figure 3, structure design：Described vascular pressure adjustment module, it includes the first stepper motor 5, spiral shell
Bar 51, nut 52, bar blocks 53, line slideway guiding mechanism 54, control circuit 6, triple gate switch module 8, regulation switch 3,
Piston and cylinder post 55, first stepper motor 5 are fixed, and the output shaft of the first stepper motor 5 is coaxial with the screw rod 51 of vertical state, institute
State vertical screw rod 51, line slideway guiding mechanism 54, the three of piston 551 parallel, screw rod 51, nut 52 are threadedly coupled, described
Screw rod 51 is limited in round dot and is only capable of rotation in situ, the bar blocks 53 connect simultaneously line slideway guiding mechanism 54, piston 551,
Nut 52, by position effect so that when the first stepper motor 5 translating rotation for nut 52 drive bar blocks 53 on or under
Straight-line displacement, thus drive the synchronism stability in the cylinder post 552 of the piston 551 in bar blocks 53 move on the ground push-in pressurization or under
Shifting is shunk back release of pressure.The cylinder post 552 accesses whole simulated blood vessel road system in simulation blood input port 13.Described regulation switch
3 is three kinds of status switches, is installed on outside cabinet 20, and the input with triple gate switch module 8 is connected, and is respectively defined as " pressurization "
" decompression " " stopping ", the output of the triple gate switch module 8 is connected with the first stepper motor 5.
Part III：Interactive module
Interactive module includes pressure sensor 9, control unit 1, display, enter key, output and the control of pressure sensor 9
Unit processed 1 is connected, and the display input, enter key are connected with control unit 1 respectively.
Principle, the real-time change of simulated blood vessel fluid pressure is gathered by pressure sensor 9 as shown in Figure 6, Figure 7, then
Ripple as shown in Figure 6 is obtained by control unit 1, three parameters can be obtained by the ripple：
Maximal pressure force value VMAX, minimum pressure values MIN, the time T, highest for decompositing waveform are processed by control unit 1
Pressure value can be considered as systolic pressure, and minimum pressure values can be considered as diastolic pressure, and the inverse of time cycle can be considered frequency, and pass through
Curve after display display conversion.
Pressure sensor (measurement range 0-50kb) analysis mode vascular pressure and simulation pulse frequency.
Man-machine interface by pressure sensor 9 can man-machine communication, real-time Dynamic contraction pressure, diastolic pressure, the heart can be shown
The situation of change of rate, while each parameter can be set.(described control unit, using single-chip microcomputer, model：32T collection pressure letters
Number)
Part IV：Emulation arm and emulation radial artery (simulation hand outsourcing, artery is Ultrathin pure rubber tube and loose joint)
This partly belongs to prior art.For example, Chinese invention patent application is disclosed excessively a kind of《Radial artery puncturing is practised
Model and puncture exercising method》(application number 201510082369.6), is applicable in technical solution of the present invention.
In mechanism, Part I of the present invention, Part II are two subsystems of independent work.
Claims (2)
1. a kind of radial artery puncturing exercise model, is characterised by, including heart rate analog module, vascular pressure adjustment module, emulation
Arm and emulation radial artery, five parts of simulation blood with red；
The heart rate analog module, the speed for controlling simulation heart rate bounce.It includes peristaltic pump (4), the second stepper motor
(41), control module (10), regulation switch (2), simulation blood input port (12), simulation blood delivery outlet (13), second stepping
Motor (41) output shaft (411) connect peristaltic pump (4), second stepper motor (41) link control module (10), the control
Molding block (10) connection regulation switch (2), regulation switch (2) is input into as enter key to the second stepper motor (41) rotating speed
Regulation and control；Peristaltic pump (4) two ends are connected to simulation blood input port (12), simulation blood delivery outlet (13)；
The vascular pressure adjustment module, the module is exported by the simulation blood that three-way pipe accesses the heart rate analog module
Mouth (13) place, for maintaining pressure of foundation in simulated blood vessel；Vascular pressure adjustment module, it includes the first stepper motor (5), spiral shell
Bar (51), nut (52), bar blocks (53), line slideway guiding mechanism (54), control circuit (6), triple gate switch module
(8), regulation switch (3), piston and cylinder post (55), first stepper motor (5) are fixed, the first stepper motor (5) output shaft
Screw rod (51) with vertical state is coaxial, the vertical screw rod (51), line slideway guiding mechanism (54), piston (551) three
Parallel, screw rod (51), nut (52) threaded connection, the screw rod (51) are limited in round dot and are only capable of rotation in situ, the bar blocks
(53) while connecting line slideway guiding mechanism (54), piston (551), nut (52), by position effect so that working as the first step
The translating rotation of stepper motor (5) be nut (52) drive on bar blocks (53) or under straight-line displacement, thus drive bar blocks
(53) piston (551) on moves push-in pressurization or moves down release of pressure of shrinking back on the ground in the interior synchronism stability of cylinder post (552)；The cylinder post
(552) whole simulated blood vessel road is accessed in simulation blood input port (13)；The output and first of the triple gate switch module (8)
Stepper motor (5) is connected；
The emulation arm and emulation radial artery, are arranged at the outside of casing (20), are simulated with heart rate by simulating transducer potector
Module, vascular pressure adjustment module connect to form loop；
Simulation blood through simulation transducer potector in.
2. radial artery puncturing exercise model as claimed in claim 1, is characterised by, also including interactive module, the interactive mould
Block includes pressure sensor (9), control unit (1), display, enter key, the output of pressure sensor (9) and control unit
(1) connect, the display input, enter key are connected with control unit (1) respectively；
The interactive module is acquisition process and output module, and simulated blood vessel fluid pressure is gathered by pressure sensor (9),
Maximal pressure force value VMAX, minimum pressure values MIN, the time T of waveform are obtained, maximal pressure force value is considered as systolic pressure, minimum pressure values
It is considered as diastolic pressure, the inverse of time cycle is considered as frequency, and the curve after display shows conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229664.9A CN106847038A (en) | 2017-04-10 | 2017-04-10 | Radial artery puncturing practises model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229664.9A CN106847038A (en) | 2017-04-10 | 2017-04-10 | Radial artery puncturing practises model |
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| Publication Number | Publication Date |
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| CN106847038A true CN106847038A (en) | 2017-06-13 |
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ID=59148232
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710229664.9A Pending CN106847038A (en) | 2017-04-10 | 2017-04-10 | Radial artery puncturing practises model |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051141A (en) * | 2017-12-29 | 2018-05-18 | 四川大学华西医院 | A kind of imitative body of adjustable-pressure ultrasound |
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| JP2006189525A (en) * | 2004-12-30 | 2006-07-20 | Marui:Kk | Artificial arm for simulation |
| CN2881833Y (en) * | 2005-12-31 | 2007-03-21 | 黄秀荣 | Training model for venous puncture |
| CN201008675Y (en) * | 2007-03-30 | 2008-01-23 | 林彰焱 | Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display |
| US20150206456A1 (en) * | 2014-01-17 | 2015-07-23 | Truinject Medical Corp. | Injection site training system |
| CN105206155A (en) * | 2015-10-20 | 2015-12-30 | 贵州琪临教学仪器有限公司 | Arteriovenous simulation method and device used for puncture teaching |
| CN205104127U (en) * | 2015-11-13 | 2016-03-23 | 苏州大学 | Artery compliance simulation device for in-vitro simulation circulation system |
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| CN108051141A (en) * | 2017-12-29 | 2018-05-18 | 四川大学华西医院 | A kind of imitative body of adjustable-pressure ultrasound |
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