CN209356180U - A kind of medical non-traumatic hemostatic forceps blocking test device - Google Patents

A kind of medical non-traumatic hemostatic forceps blocking test device Download PDF

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Publication number
CN209356180U
CN209356180U CN201920037889.9U CN201920037889U CN209356180U CN 209356180 U CN209356180 U CN 209356180U CN 201920037889 U CN201920037889 U CN 201920037889U CN 209356180 U CN209356180 U CN 209356180U
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CN
China
Prior art keywords
pressure pump
test device
pump
negative pressure
hemostatic forceps
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Expired - Fee Related
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CN201920037889.9U
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Chinese (zh)
Inventor
高丽萍
周颖
柯常杰
吴晗
谭茜媛
骆义超
巩兆洋
杜炎蓉
孙倩楠
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Priority to CN201920037889.9U priority Critical patent/CN209356180U/en
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Abstract

The utility model relates to a kind of medical non-traumatic hemostatic forceps to block test device, and device includes: water circuit system, including positive pressure pump, solenoid valve, pressure sensor, negative pressure pump and sink, and each component passes sequentially through hose and connects into loop checking installation;Circuit system, including the microprocessor being separately connected with positive pressure pump, solenoid valve, pressure sensor, negative pressure pump;Human-computer interaction interface operation control system, including the industrial serial ports touch screen being connect with microprocessor.Compared with prior art, the utility model acquires real-time pressure data by pressure sensor, it saves and analytical calculation pressure value, according to the requirement clinically for surgical procedure blood vessel blocking, so that the blocking test device can with real-time quantitative detect the blocking state of simulated blood vessel, avoid engineer, medical staff empiricism and lead to the erroneous judgement to blood vessel blocking state and pressure size, keep the whole process of blood vessel blocking state verification more efficient.

Description

A kind of medical non-traumatic hemostatic forceps blocking test device
Technical field
The utility model relates to a kind of medical instrument test devices, block more particularly, to a kind of medical non-traumatic hemostatic forceps Test device.
Background technique
Medical non-traumatic hemostatic forceps is to make blocking blood vessel, hemostasis and clamping blood vessel in thoracic surgery and cardiovascular surgical procedure Indispensable medical instrument cannot damage blood vessel again in the course of surgery.Doctor in use leans on feel to hold ratchet completely Gear, the doctor for lacking use experience probably causes unnecessary harm in the course of surgery, this may make patient At injury, doctor's use is also inconvenient.
Utility model content
The purpose of this utility model is exactly to provide a kind of medical lossless to overcome the problems of the above-mentioned prior art Hurt haemostatic clamp and blocks test device, it can be with the hardware and software device of the block function of the medical non-traumatic hemostatic forceps of real-time testing, with solution Certainly engineer, doctor lead to not the problem of more accurately grasping clamping blood vessel state because of empiricism.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of medical non-traumatic hemostatic forceps blocking test device, comprising:
Water circuit system, including positive pressure pump, solenoid valve, pressure sensor, negative pressure pump and sink, the positive pressure pump, electromagnetism Valve, pressure sensor, negative pressure pump, sink and positive pressure pump pass sequentially through hose and connect into loop checking installation, the pressure sensor It is clamping test area between negative pressure pump, is clamped for haemostatic clamp, the positive pressure pump and negative pressure pump are used to maintain manifold pressure, To imitate human body main portions artery blood pressure, the pressure sensor is used to detect hydraulic pressure value when haemostatic clamp blocks;
Circuit system, including microprocessor, the microprocessor and positive pressure pump, solenoid valve, pressure sensor, negative pressure pump It is separately connected;
Human-computer interaction interface operation control system, including industrial serial ports touch screen, the industrial serial ports touch screen with it is micro- Processor connection.
The hose is silicone tube.
The microprocessor is ATmega128A chip.
The positive pressure pump and negative pressure pump is the stepper motor peristaltic pump of 24V, 200ml/min.
The microprocessor is also connected with buzzer, the solenoid valve and buzzer and is connected by relay and microprocessor It connects.
The microprocessor is connect by driving plate with positive pressure pump and negative pressure pump.
The device further includes plastics outline border case, for packing whole device.
Compared with prior art, the utility model has the advantage that
(1) experimental result is stable, Repeatability is strong, man-machine interface is friendly, and the blocking test of medical non-traumatic hemostatic forceps can To reduce operation risk.
(2) touch screen technology and chip technology are combined, control fluid pressure line is applied in medical non-traumatic hemostatic forceps It blocks in test;Peristaltic pump approximately simulates the pulsation situation of blood vessel as a source of power, while also equal to provide in pipeline Even slow pressure.Pressure sensor accurately can intuitively observe the variation of pressure, fail blood vessel when haemostatic clamp can block When, pressure will decline, and the alarm module of touch screen and circuit part all prompts immediately, prompt the inspection of this haemostatic clamp of user Survey fails to pass through.
(3) real-time of high-speed chip enhancing system has been used, the processing of data uses bubbling algorithm, keeps data more smart It is quasi-.
(4) touch screen keeps operation more intuitive and easy.
Detailed description of the invention
Fig. 1 is the overall structure diagram that the present embodiment blocks test device;
Fig. 2 is the structural schematic diagram that the present embodiment blocks test device circuit system;
Fig. 3 is the structural schematic diagram that the present embodiment blocks test device water circuit system.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model Shield range is not limited to the following embodiments.
Embodiment
A kind of medical non-traumatic hemostatic forceps blocking test device, comprising:
Water circuit system, including positive pressure pump, solenoid valve, pressure sensor, negative pressure pump and sink, positive pressure pump, solenoid valve, pressure Sensor, negative pressure pump, sink and positive pressure pump pass sequentially through silica gel hose and connect into loop checking installation, pressure sensor and negative pressure pump it Between be clamping test area, clamped for haemostatic clamp, positive pressure pump and negative pressure pump are that the micro-step motor of 24V, 200ml/min are wriggled Pump, for maintaining manifold pressure, to imitate human body main portions artery blood pressure, pressure sensor is for detecting haemostatic clamp blocking When hydraulic pressure value, pressure sensor is connected with electric current and turns voltage module, as information acquisition module, for accurately, reliable surveying Amount flows through the fluid pressure of hydraulic plumbing system, feeds back to chip controls program, analyzes data, blocks shape according to algorithm judgement State provides corresponding result;7 sections of silicone tube, 20 centimetres of length are differed;1 section of test section silicone tube, range 5cm or so is blocked, It is replaceable;The nearly human vas of the elastic connecting of silicone tube, to simulate human vas;
Circuit system, including 8 AVR microprocessor chip ATmega128A, microprocessor and positive pressure pump, solenoid valve, pressure Force snesor, negative pressure pump are separately connected;Using microprocessor as core, microprocessor pass through respectively the specific port I/O with The corresponding interface of relay is connected with driving plate the corresponding interface;Specific C programmer is imported to it, is exercised control peristaltic pump and is opened Stop, there are also the functions such as the on-off of solenoid valve for flow output;It is also connected with industrial serial ports touch screen by specific port simultaneously It connects, the information of touch screen is issued into chip;
Human-computer interaction interface operation control system, including industrial serial ports touch screen, industrial serial ports touch screen and microprocessor Connection.It is WQT Designer that touch screen interface, which develops environment, and specific C programmer input is carried out to it, is generated corresponding Interface, design include selection mode, initialization system, setting pressure value, boosting five interfaces such as power and test interface, pass through behaviour Chip is sent information to as man-machine interface, then exercises its function again;The combination of Atmega128A chip and touch screen can be with Realization controls and operates total system, to reach required test request.It is designed based on Atmega128A chip specific System control program, the function to be completed of program part includes start and stop, flow control and the corresponding solenoid valve of equipment The functions such as the start and stop of on-off and micro-step motor peristaltic pump;
Outline border case, is made of plastic material, for built-in circuit components of system as directed (above) and water circuit system part (under Face) and outer surface place man-machine interface touch screen etc..
In the present embodiment, modularized design is the effective way solved the problems, such as.It mainly include following in this Design modelling Several big modules.Using AVR chip as the circuit module of industrial control board, with micro-step motor peristaltic pump and solenoid valve block at fluid die Block, using industrial serial ports screen as the human-machine interface module of system display terminal.By to simulation human body main portions vascular pressure, The state that haemostatic clamp blocks blood vessel is simulated, for judging the blocking performance of Medical hemostat, system principle simplifies as shown in Figure 1.
In the present embodiment, this system uses touch screen as human-computer interaction interface, and the serial ports based on AVR chip and touch screen is logical Letter, reaches real-time control.In complete machine installation process, circuit module and hydraulic module are layered, circuit is on upper layer, and water route is under Layer.Avoid the situation of the leak short circuit occurred by failure.
Chip is Atmega128A chip, and touch screen is subsidiary for chip, is also possible to separately configure.
Fig. 2 is the schematic diagram of circuit system in embodiment;
In the present embodiment, circuit part hardware used in whole system is as follows:
AVR chip board, industrial serial ports screen, relay module, 12V/24V Switching Power Supply, 12 turns of 5 volts of modules, operating voltages Solenoid valve, driving plate for 24V.
Circuitry portion design is as shown in Figure 2.
Fig. 3 is the schematic diagram of water circuit system in the present embodiment.
In the present embodiment, the lower layer of entire loom is that water route is provided liquid is by tank in pipeline by positive pressure pump Positive pressure power is closed after pressure value reaches setting value, and isolation is formed between solenoid valve and negative pressure pump has haemostatic clamp blocking Test section.Negative pressure peristaltic pump can be used to occluding pressure and use when inoperative, after haemostatic clamp clips to test section, negative pressure Pump operating, judges whether pressure declines.
In the present embodiment, the hardware used is as follows:
7 sections of silicone tube (every 20 centimetre length of segment length differs), solenoid valve, peristaltic pump × 2, sink, pressure sensor, five Golden elbow × 2.Connection is as shown in Figure 3.
In the present embodiment, the initialization content of AVR includes initialization of (a) serial ports, I/O port initialization, digital-to-analogue conversion initialization, bee Device prompt initialization of ringing is completed.Real-time pressure value is constantly obtained in the circulating cycle, is obtained writing for pressure value function, is exactly logarithm The data that mould is converted to carry out data analysis.
In the present embodiment, design operation flow chart is first had in the design of the operation interface of whole system, is then designed Corresponding operation interface, and modify and debug, it is easy to operate operating process simplicity, but do not influence the validity of system.Device In specific works, water circuit system is constituted as shown in Figure 3.Circuit system is in running order at this time, while human-computer interaction circle Face operation control system is in running order;In the interface homepage of human-computer interaction interface operation control system, " discharge gas is pressed Bubble " button, and positive pressure pump 05 time of the 01 negative pressure pump 10s that runs at high speed, by the removal of bubbles in pipeline, while judging pressure value, Then pressure value is reduced to 0kpa by negative pressure pump 05, the pressure value initialized when providing out;At this point, bubble in pipeline by Then discharge sets expected pressure value on operation control system interface, there is 26kpa (adult aortic, liver under normal conditions Kidney is dynamic), 13kpa (pulmonary artery), 20kpa (baby's aorta, the liver arteria renalis), such four values of 10kpa (pulmonary artery) can also be with Then customized pressure value opens positive pressure pump 01, solenoid valve 02 is in normally open, 05 closed state of negative pressure pump, then sink 06 In water guide duct in, so that pipeline pressure is risen to setting value, after stablizing, then positive pressure pump 01 shuts down, and closes electromagnetism Valve 02 uses haemostatic clamp clamping test area at this time, then observes the occluding pressure value at this time of man-machine interface, and live signal is passed by pressure The signal system that sensor and electric current turn voltage module composition passes to man-machine interface, while observing the current ratchet of haemostatic clamp at this time Gear, then open solenoid valve 02 and negative pressure pump 05, whether observation 04 water flow of clamping test area flows.If haemostatic clamp does not hinder Disconnected clamping test area 04, pipeline pressure decline then will appear buzzer and sounds an alarm automatically, and time of fire alarming 10s should then be closed Negative pressure pump 05, opens positive pressure pump 01 and solenoid valve 02 re-starts pressure correction until there is not alarm;If haemostatic clamp is Clamping test area 04 is successfully blocked, then buzzer not will call the police.Then, pipeline liquid emptying movement is carried out, closes electricity at this time Magnet valve 02, clicks the Reset button on man machine operation interface, then will appear the reversion of positive pressure pump 01, synchronous with negative pressure pump 05 in the same direction Operating, then after a period of time, emptying rate of liquid.Test is such as blocked next time, then is carried out again by above-mentioned steps.

Claims (7)

1. a kind of medical non-traumatic hemostatic forceps blocks test device characterized by comprising
Water circuit system, including positive pressure pump, solenoid valve, pressure sensor, negative pressure pump and sink, the positive pressure pump, solenoid valve, pressure Force snesor, negative pressure pump, sink and positive pressure pump pass sequentially through hose and connect into loop checking installation, the pressure sensor and negative pressure It is clamping test area between pump, is clamped for haemostatic clamp, the positive pressure pump and negative pressure pump is for maintaining manifold pressure, to imitate Human body main portions artery blood pressure, the pressure sensor are used to detect hydraulic pressure value when haemostatic clamp blocks;
Circuit system, including microprocessor, the microprocessor and positive pressure pump, solenoid valve, pressure sensor, negative pressure pump are distinguished Connection;
Human-computer interaction interface operation control system, including industrial serial ports touch screen, the industrial serial ports touch screen and micro process Device connection.
2. a kind of medical non-traumatic hemostatic forceps according to claim 1 blocks test device, which is characterized in that described is soft Pipe is silicone tube.
3. a kind of medical non-traumatic hemostatic forceps according to claim 1 blocks test device, which is characterized in that described is micro- Processor is ATmega128A chip.
4. a kind of medical non-traumatic hemostatic forceps according to claim 1 blocks test device, which is characterized in that it is described just Press pump and negative pressure pump are the stepper motor peristaltic pump of 24V, 200ml/min.
5. a kind of medical non-traumatic hemostatic forceps according to claim 1 blocks test device, which is characterized in that described is micro- Processor is also connected with buzzer, the solenoid valve and buzzer and is connect by relay with microprocessor.
6. a kind of medical non-traumatic hemostatic forceps according to claim 1 blocks test device, which is characterized in that described is micro- Processor is connect by driving plate with positive pressure pump and negative pressure pump.
7. a kind of medical non-traumatic hemostatic forceps according to claim 1 blocks test device, which is characterized in that the dress Setting further includes plastics outline border case, for packing whole device.
CN201920037889.9U 2019-01-09 2019-01-09 A kind of medical non-traumatic hemostatic forceps blocking test device Expired - Fee Related CN209356180U (en)

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Application Number Priority Date Filing Date Title
CN201920037889.9U CN209356180U (en) 2019-01-09 2019-01-09 A kind of medical non-traumatic hemostatic forceps blocking test device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109655250A (en) * 2019-01-09 2019-04-19 上海理工大学 A kind of medical non-traumatic hemostatic forceps blocks test device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109655250A (en) * 2019-01-09 2019-04-19 上海理工大学 A kind of medical non-traumatic hemostatic forceps blocks test device and method

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Granted publication date: 20190906