CN200987806Y - Automatic detecting controller for transfusion drip speed - Google Patents

Automatic detecting controller for transfusion drip speed Download PDF

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Publication number
CN200987806Y
CN200987806Y CN 200620049391 CN200620049391U CN200987806Y CN 200987806 Y CN200987806 Y CN 200987806Y CN 200620049391 CN200620049391 CN 200620049391 CN 200620049391 U CN200620049391 U CN 200620049391U CN 200987806 Y CN200987806 Y CN 200987806Y
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CN
China
Prior art keywords
transfusion
chip microcomputer
infusion
motor
screw
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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.)
Expired - Fee Related
Application number
CN 200620049391
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Chinese (zh)
Inventor
冯兴华
曹栩秋
李淢
赵剑
赵飞
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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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Publication date
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Priority to CN 200620049391 priority Critical patent/CN200987806Y/en
Application granted granted Critical
Publication of CN200987806Y publication Critical patent/CN200987806Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model is that infrared transmitter and receiver are connected at the drop bucket of every infusion set, connecting with a single chip microcomputer through a signal line; an infusion executive mechanism is arranged at an infusion tube installing between the drop bucket and a needle, the single chip microcomputer is connected with a driver and a stepping motor in turn, the output shaft of the stepping motor is connected with the infusion executive mechanism via screws, forming a closed loop control system whose core is the single chip microcomputer; a keyboard, a LCD monitor and a communication interface are connected with the single chip executive, respectively; the communication interface is a serial communication bus, which is connected with the single chip microcomputer of every sickbed. The infusion tube is disposed between a fixed pressure plate and a movable pressure plate of the infusion executive mechanism, the external thread of the end part of the shaft sleeve of stepping motor is fitted to the internal thread of the movable pressure plate, thus the rotation of the stepping motor can lead to up and down movement of the movable pressure plate, therefore controlling the drip velocity via extrude the infusion tube. The whole device is a master slave distributed system, wherein the host computer can inquire the transfusion state and set drip velocity of every slave computer and control open and close of slave computer, while the slave computer can set the drip velocity and open and close through the keyboard directly.

Description

A kind of transfusion drip speed automatic detection and control device
Technical field
This utility model relates to a kind of medical apparatus and instruments, the Automatic Detection and Control of liquid drop speed dress arm when being specifically related to infuse.
Background technology
Transfusion is a hospital to patient's medical procedure commonly used of curing the disease, and infusion process Chinese medicine drop speed should be distinguished to some extent according to different ages and disease, and the control of liquid drop speed is directly connected to therapeutic effect and people's life security.But at present a large amount of transfusions is still finished by manual operations by the traditional infusion device.Liquid drop speed in the infusion process also can only lean on eyes range estimation and clock contrast, and realizes by artificial adjustment pulley.Especially when transfusion finishes, patient to notify the nurse in time to pull out pin, all increased a lot of troubles for thus patient and nurse, the more important thing is the fluid delivery apparatus instability, liquid drop speed needs manually monitoring calibration constantly.
The utility model content
The purpose of this utility model provides a kind of transfusion liquid drop speed automatic detection and control device, overcome existing conventional fluid delivery apparatus by manually-operated, by artificial shortcoming of monitoring calibration constantly, for hospital provides practical, stable, reliable automatic infusion equipment, can ensure higher infusion treatment quality, and alleviate the numerous nurses' of hospital working strength greatly.
Thinking of the present utility model is: patient is at the beginning of transfusion, by the different transfusion speeds of nurse according to different patient's needs, drip speed by the keyboard input, the whole infusion process to patient all realizes monitoring automatically then, and transfusion finishes and promptly sends optical signal or acoustic alarm signal.
A kind of transfusion drip speed automatic detection and control device, it includes: disposable transfusion device, infrared fast testing agency, single-chip microcomputer, driver, motor, the transfusion actuator, keyboard, LCD display and communication interface are connected the transfusion actuator on the tube for transfusion between the dropping funnel of each disposable transfusion device and the syringe needle, be connected with infrared transmitter and infrared remote receiver on each dropping funnel relatively, form infrared fast testing agency with dropping funnel, it is characterized in that: infrared fast testing agency is connected with single-chip microcomputer by holding wire; Be connected the transfusion actuator on the tube for transfusion between each dropping funnel and the syringe needle, single-chip microcomputer is connected successively with driver, motor; Motor is connected by screw with the transfusion actuator, and forming with the single-chip microcomputer is the closed-loop control system of core; Keyboard, LCD display is connected with single-chip microcomputer respectively with communication interface.
Described transfusion actuator, it includes guide rail, fixation clip, screw, motor shaft sleeve, movable pressing board and connecting plate is characterized in that: connecting plate links to each other with the end face of motor shaft side, fixes by screw and motor; Machine shaft and motor shaft sleeve are fixed by stopping screw; Also be connected with guide rail on the connecting plate, the borehole jack of movable pressing board is on guide rail, and the guide rail top connects a fixation clip by screw; The motor shaft sleeve end has external screw thread, the female thread engagement of it and movable pressing board, and tube for transfusion is placed between fixation clip and the movable pressing board.
Communication interface of the present utility model is a serial communication bus, the linking to each other from single-chip microcomputer of every the sick bed in it and scene.Drop in the disposable transfusion device dropping funnel is detected by infrared device blanking time, single-chip microcomputer contrasts according to the speed setting value of dripping of this time interval signal and keyboard input, by the concrete controlled quentity controlled variable of fuzzy control software output, affact motor through drive circuit, the direction of rotation of motor and speed are determined by the control law of fuzzy microcontroller software fully.The rotation of motor shaft drives the movable pressing board lifting of transfusion actuator, movable pressing board affacts on the tube for transfusion of disposable transfusion device, the sectional area of flexible pipe is changed, whole automatic detection and control device is realized closed loop control, and the velocity-stabilization of infusion liquid drop is near ideal setting value the most at last.
This utility model control is respond well, and the maximum control time is less than 60s, and departure 4% is with interior (20-200 drip/minute).For hospital provides practical, stable, reliable automatic infusion equipment, can ensure higher infusion treatment quality, alleviate the numerous nurses' of hospital working strength simultaneously greatly, realize the omnidistance speed control system automatization of transfusion.
Description of drawings
Below in conjunction with drawings and Examples this utility model is described in detail.
Fig. 1 is the structural principle block diagram of this utility model slave;
Fig. 2 is infrared fast testing agency of a this utility model structural representation;
Fig. 3 is this utility model transfusion actuator structural representation.
1. guide rail, 2. fixation clip, 3. screw, 4. tube for transfusion, 5. motor shaft sleeve, 6. movable pressing board, 7. connecting plate, 8. dropping funnel, 9. syringe needle, 10. infrared transmitter, 11. infrared remote receivers, 12. transfusion actuators.
The specific embodiment
Design principle of the present utility model connects infrared fast testing agency as shown in Figure 1 on the dropping funnel 8 of each disposable transfusion device, be connected with single-chip microcomputer by holding wire; Be connected transfusion actuator 12 on the tube for transfusion between each dropping funnel 8 and the syringe needle 9, single-chip microcomputer is connected successively with driver, motor; Motor is connected by screw with transfusion actuator 12, and formation is the closed-loop control system of core with the single-chip microcomputer; Keyboard, LCD display is connected with single-chip microcomputer respectively with communication interface.
Infrared fast testing agency is with on the relative outer wall that is installed in disposable transfusion device dropping funnel 8 of infrared transmitter 10 and infrared remote receiver 11 as shown in Figure 2, is connected with single-chip microcomputer by signal transmssion line; When drop receives axis through emission, the signal of infrared remote receiver changes, the variation of infrared signal has characterized the interval between drop between two drops, be converted into speed by this interval of single chip computer measurement and by software, fuzzy control software output control corresponding amount by single-chip microcomputer, pass to motor through driver, drive transfusion actuator 12 by motor, realize dripping the velocity modulation joint, the starting stage of infusing can be dripped speed (droplet/minute) data input single-chip microcomputer by manually setting by host keyboard (being installed in the Centralized Monitoring chamber) or slave keyboard (being installed in the sick bed place).The collection of transfusion end signal, available with a pair of infrared electro device, cooperate by software, after single-chip microcomputer was handled, first display lamp optical signal if nobody intervenes, sent acoustic alarm signal by buzzer after the time-delay again.
The transfusion actuator is the critical component of transfusion drip speed automatic detection and control device, and as shown in Figure 3, it includes guide rail 1, fixation clip 2, screw 3, motor shaft sleeve 5, movable pressing board 6 and connecting plate 7, connecting plate 7 links to each other with the end face that the micro machine shaft is surveyed, and fixes by screw and motor; Machine shaft and motor shaft sleeve 5 are connected; Also be connected with guide rail 1 on the connecting plate 7, the borehole jack of movable pressing board 6 is on guide rail, and the guide rail top connects a fixation clip 2 by screw 3; Motor shaft sleeve 5 ends have external screw thread, the female thread engagement of it and movable pressing board 6, and tube for transfusion 4 is placed between fixation clip 6 and the movable pressing board 7.Drop in the disposable transfusion device dropping funnel 8 is detected by infrared device blanking time, single-chip microcomputer contrasts according to the speed setting value of dripping of this time interval signal and keyboard input, by the concrete controlled quentity controlled variable of fuzzy control software output, affact motor through drive circuit, 6 liftings of motor shaft sleeve screw drive movable pressing board, force tube for transfusion 4 to be squeezed, cause the sectional area of tube for transfusion to change, thereby changed the flow resistance of liquid in pipe, the cross section is big more, and fluid resistance is more little, and the cross section is more little, fluid resistance is big more, thereby has controlled the speed of drop.The transfusion actuator under the control action of single-chip microcomputer the most at last the velocity-stabilization of infusion liquid drop near ideal setting value.This transfusion actuator is simple in structure, and is easy to process, and has boosting function, can reduce power of motor.Transfusion drip speed automatically control is respond well, and the maximum control time is less than 60s, and departure 4% is with interior (20-200 drip/minute).
Communication interface provides serial communication bus, and the linking to each other from single-chip microcomputer of every the sick bed in it and scene, this bus also links to each other with the main frame of Control Room.Whole transfusion drip speed automatic detection and control device is designed to principal and subordinate's machine compartment system.This interface is used for communicating by letter between main frame and the slave, and main frame can be placed on the Centralized Monitoring chamber, and slave then is placed on the sick bed scene, and the longest communication distance is greater than 1000 meters.The transfusion state and the liquid drop speed of each slave can be set or inquire about to main frame, and the start and stop of remote-controlled each slave, before slave is located at on-the-spot each patient's bed, can directly set the start and stop of dripping speed and this machine of control by keyboard button.

Claims (2)

1. transfusion drip speed automatic detection and control device, it includes: disposable transfusion device, infrared fast testing agency, single-chip microcomputer, driver, motor, the transfusion actuator, keyboard, LCD display and communication interface, on the tube for transfusion between each dropping funnel and the syringe needle, be connected the transfusion actuator, on the dropping funnel of each disposable transfusion device, connect infrared transmitter and infrared remote receiver relatively, form infrared fast testing agency with dropping funnel, it is characterized in that: infrared fast testing agency is connected with single-chip microcomputer by holding wire, single-chip microcomputer and driver, motor connects successively, and motor is connected by screw with the transfusion actuator, and forming with the single-chip microcomputer is the closed-loop control system of core; Keyboard, LCD display is connected with single-chip microcomputer respectively with communication interface.
2. a kind of transfusion drip speed automatic detection and control device according to claim 1, it includes guide rail described transfusion actuator, fixation clip, screw, motor shaft sleeve, movable pressing board and connecting plate is characterized in that: connecting plate links to each other with the end face of motor shaft side, fixes by screw and motor; Machine shaft and motor shaft sleeve are fixed by stopping screw; Also be connected with guide rail on the connecting plate, the borehole jack of movable pressing board is on guide rail, and the guide rail top connects a fixation clip by screw; The motor shaft sleeve end has external screw thread, the female thread engagement of it and movable pressing board, and tube for transfusion is placed between fixation clip and the movable pressing board.
CN 200620049391 2006-12-22 2006-12-22 Automatic detecting controller for transfusion drip speed Expired - Fee Related CN200987806Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620049391 CN200987806Y (en) 2006-12-22 2006-12-22 Automatic detecting controller for transfusion drip speed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620049391 CN200987806Y (en) 2006-12-22 2006-12-22 Automatic detecting controller for transfusion drip speed

Publications (1)

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CN200987806Y true CN200987806Y (en) 2007-12-12

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101499106B (en) * 2008-01-30 2010-11-10 蒲卫 Digitized hospital bed monitoring network system
CN101732778B (en) * 2009-11-19 2012-07-25 重庆理工大学 Intelligent system for monitoring infusion
CN104127937A (en) * 2014-08-07 2014-11-05 成都信鑫信息技术有限公司 Infusion speed detecting and controlling system
CN104623765A (en) * 2015-03-13 2015-05-20 湖南新云医疗装备工业有限公司 Transfusion monitoring system for digital hospital bed based on infrared speed measurement
CN107715237A (en) * 2017-10-23 2018-02-23 陈丽曼 Infusion monitoring warning system
CN108939209A (en) * 2018-06-05 2018-12-07 浙江迈帝康医疗器械有限公司 A kind of intelligent peristaltic pump

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101499106B (en) * 2008-01-30 2010-11-10 蒲卫 Digitized hospital bed monitoring network system
CN101732778B (en) * 2009-11-19 2012-07-25 重庆理工大学 Intelligent system for monitoring infusion
CN104127937A (en) * 2014-08-07 2014-11-05 成都信鑫信息技术有限公司 Infusion speed detecting and controlling system
CN104623765A (en) * 2015-03-13 2015-05-20 湖南新云医疗装备工业有限公司 Transfusion monitoring system for digital hospital bed based on infrared speed measurement
CN107715237A (en) * 2017-10-23 2018-02-23 陈丽曼 Infusion monitoring warning system
CN108939209A (en) * 2018-06-05 2018-12-07 浙江迈帝康医疗器械有限公司 A kind of intelligent peristaltic pump
CN108939209B (en) * 2018-06-05 2021-07-09 浙江迈帝康医疗器械有限公司 Intelligent infusion pump

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C19 Lapse of patent right due to non-payment of the annual fee
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