CN108853622A - A kind of haemodialysis fault detection alarm device - Google Patents
A kind of haemodialysis fault detection alarm device Download PDFInfo
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- CN108853622A CN108853622A CN201810724060.6A CN201810724060A CN108853622A CN 108853622 A CN108853622 A CN 108853622A CN 201810724060 A CN201810724060 A CN 201810724060A CN 108853622 A CN108853622 A CN 108853622A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1601—Control or regulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3624—Level detectors; Level control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3626—Gas bubble detectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Urology & Nephrology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a kind of haemodialysis fault detection alarm devices,Bubble is monitored using infra-red detection principle,Infrared emission tube continuously sends out infrared light and is detected,When bubble flows with blood in the blood vessel and passes through infrared emission tube,The infrared luminous energy that infrared emission tube issues passes through bubble and is received by infrared receiver tube,Reception pipe, which receives, to be transferred to computer through amplification after signal and is handled,And level sensing and bubble detection can be detected in blood in dialysis procedure with the presence or absence of bubble,And trigger combined aural and visual alarm,PLC controller can stop the operating of blood pump and ultrafiltrate pump in time,Choked flow folder clamps venous return line pipe automatically,Block blood circuit,Level sensing and bubble detection constitute dual air detection protective device,So that the detection accuracy of bubble significantly improves,It can detect that diameter is the bubble of 2mm,It can effectively prevent air and enter patient's body,To avoid that air embolism accident occurs,Safety significantly improves.
Description
Technical field
The present invention relates to haemodialysis fault test set technical field, specially a kind of haemodialysis fault detection alarm
Device.
Background technique
Haemodialysis (hemodialysis, HD) is one of acute or chronic renal failure kidneys of patients Replacement Therapy.
It by by internal blood drainage to external, through one by the dialyzer that is formed without several hollow fibres, blood with contain body
The similar electrolyte solution of concentration (dialyzate) carries out mass exchange inside and outside hollow fibre one by one, through disperse/convection current, clearly
Except intracorporal metabolic waste, maintain electrolyte and acid-base balance;Moisture excessive in vivo, and the blood that purification will be passed through are removed simultaneously
The whole process that liquid is fed back is known as haemodialysis.When dialysis starts, by the blood intravascular access Access artery pipeline of patient, go
Bubbler reaches dialyzer.The dialyzate of blood and dialyzate by means of the semi-permeable membrane progress counterflow exchange in dialyzer, after exchange
It is discarded into waste liquid tank, and trouble is re-entered from vein blood vessel access by debubbler, venous line by the blood of " purification "
In person's body, to achieve the purpose that " to clean ".
In blood dialysis, the vein pressure of strict control bloody path part, angiosthenia, transmembrane pressure, liquid level and bubble
Monitoring etc. and the monitoring of water route part constant temperature, dialysate flow monitoring, dialysate concentration adjusting etc., avoid the hair of malpractice
It is raw.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of haemodialysis fault detection alarm dress
It sets, can effectively solve the problems in background technique.
To achieve the above object, the present invention provides the following technical solutions：A kind of haemodialysis fault detection alarm device, packet
Haemodialyser is included, the input terminal of the haemodialyser is communicated with venous chambers by perfusion tube, and one end of the venous chambers is logical
The arterial end of artery loop pipe connection human body is crossed, and arterial pressure probe, blood pump and heparin are installed on the artery loop pipe
Pump, and arterial pressure probe, blood pump and heparin pump are set gradually, and the arterial pressure is popped one's head in close to the arterial end of human body
It is arranged, insertion is provided with control panel and warning device, the outer surface of the control panel on the side wall of the haemodialyser
It is provided with touch display screen, the control panel is internally provided with PLC controller, and the side of the haemodialyser passes through defeated
Liquid pipe is connected with ultrafiltrate pump and counter balance pocket, and the side of the counter balance pocket is connected with proportioning pump by perfusion tube, the proportioning pump
Input terminal is connected with concentrate A and concentrate B, and the side of the proportioning pump is also connected with heating chamber, the input of the heating chamber
End is connected with reverse osmosis water, and the heating chamber is internally provided with electric heating wire, is embedded in and is provided on the inner sidewall of the heating chamber
The output end of temperature sensor, the haemodialyser is communicated with vein trap, the top of the vein trap by perfusion tube
It is provided with vein pressure probe, the two sides of the vein trap are provided with ultrasonic monitor, and the side of the vein trap is logical
The vein end of venous return line pipe connection human body is crossed, and choked flow folder is installed on the venous return line pipe, the lower end of the choked flow folder
It is fixedly installed with infrared observation device.
As a preferred technical solution of the present invention, the arterial pressure probe and vein pressure probe are all made of precision
For 3/1000ths direct measured pressure signal of pressure probe.
As a preferred technical solution of the present invention, the pump head of the blood pump is used from roller structure is played, by monolithic
The closed-loop control system of machine composition, and the choice of diameter of the blood pump is 6-10mm, blood flow is in 15-150ml/min range
It is interior linear adjustable.
As a preferred technical solution of the present invention, the heparin pump is driven using stepper motor, it is ensured that heparin
The injection speed error of pump is less than+3%。
As a preferred technical solution of the present invention, the upper end of the vein trap is provided with fluid infusion entrance.
As a preferred technical solution of the present invention, the transmembrane pressure monitoring that is internally provided with of the haemodialyser is visited
Head.
As a preferred technical solution of the present invention, the warning device is combined aural and visual alarm, model TGDD-002.
As a preferred technical solution of the present invention, the PLC controller is SIEMENS PLC controller, the PLC control
Device processed and arterial pressure probe, blood pump, heparin pump, warning device, ultrafiltrate pump, electric heating wire, temperature sensor, monitoring ultrasonic
Device, choked flow folder, transmembrane pressure monitoring probe and infrared observation device are electrically connected.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention detects liquid level by ultrasonic wave principle, if bubble flows in venous return line pipe with blood,
When ultrasonic wave directive gas-blood interface, reflection frequency will also change, to generate frequency difference effect, bubble and blood
Acoustic impedance differs greatly, their movement velocity is again different, therefore, generated letter when bubble and blood are at motion state
Number there is biggish difference, with the presence of bubble in blood at this therefrom detecting, can be improved the accuracy of its monitoring.
2, the present invention is monitored bubble using infra-red detection principle, infrared emission tube continuously send out infrared light into
Row detection, when bubble flows with blood in the blood vessel and passes through infrared emission tube, infrared emission tube is issued red
Outer luminous energy passes through bubble and is received by infrared receiver tube, and reception pipe is transferred at computer after receiving signal through amplification
Reason, and level sensing and bubble detection can be detected in dialysis procedure with the presence or absence of bubble in blood, and trigger acousto-optic
Alarm, PLC controller can stop the operating of blood pump and ultrafiltrate pump in time, and choked flow folder is clamped venous return line pipe automatically, blocked
Blood circuit, level sensing and bubble detection constitute dual air detection protective device, so that the detection accuracy of bubble is obvious
It improves, can detect that diameter is the bubble of 2mm, can effectively prevent air and enter patient's body, to avoid that air embolism occurs
Accident, safety significantly improve.
3, the present invention is popped one's head in by arterial pressure probe, vein pressure probe and transmembrane pressure, and uses precision for thousand points
The direct measured pressure signal of three pressure probe, output voltage signal through accurate instrument with linear amplifier AD524 amplify
To 0-200mV, then digital data transmission is converted to through A/D converter TLC2543 and is handled to from calculating, can accurately examine
Pressure value at survey in artery loop pipe, venous return line pipe and haemodialyser.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of haemodialysis fault detection alarm device of the present invention；
Fig. 2 is a kind of structural schematic diagram of haemodialysis fault detection alarm device vein trap of the present invention；
Fig. 3 is a kind of structural schematic diagram of haemodialysis fault detection alarm device haemodialyser of the present invention；
Fig. 4 is a kind of schematic diagram of internal structure of haemodialysis fault detection alarm device heating chamber of the present invention；
Fig. 5 is a kind of haemodialysis fault detection alarm device working principle diagram of the present invention；
In figure：1, haemodialyser；2, perfusion tube；3, venous chambers；4, artery loop pipe；5, arterial end；6, arterial pressure is popped one's head in；
7, blood pump；8, heparin pump；9, ultrafiltrate pump；10, counter balance pocket；11, proportioning pump；12, concentrate A；13, concentrate B；14, heating chamber；
15, reverse osmosis water；16, electric heating wire；17, temperature sensor；18, control panel；19, PLC controller；20, warning device；21,
Vein trap；22, vein pressure is popped one's head in；23, supersonic detector；24, venous return line pipe；25, vein end；26, choked flow is pressed from both sides；
27, infrared detector；28, fluid infusion entrance；29, transmembrane pressure detection probe；30, touch display screen.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution：A kind of haemodialysis fault detection alarm device, including
The input terminal of haemodialyser 1, haemodialyser 1 is communicated with venous chambers 3 by perfusion tube 2, and one end of venous chambers 3 passes through artery
Loop pipe 4 is connected to the arterial end 5 of human body, and arterial pressure probe 6, blood pump 7 and heparin pump 8 are equipped on artery loop pipe 4, and
Arterial pressure probe 6, blood pump 7 and heparin pump 8 are set gradually, and arterial pressure probe 6 is arranged close to the arterial end 5 of human body, blood
Insertion is provided with control panel 18 and warning device 20 on the side wall of liquid dialyzer 1, and the outer surface of control panel 18 is provided with touching
Display screen 30 is touched, control panel 18 is internally provided with PLC controller 19, and the side of haemodialyser 1 is connected by perfusion tube 2
There are ultrafiltrate pump 9 and counter balance pocket 10, the side of counter balance pocket 10 is connected with proportioning pump 11, the input terminal of proportioning pump 11 by perfusion tube 2
It is connected with concentrate A12 and concentrate B13, the side of proportioning pump 11 is also connected with heating chamber 14, and the input terminal of heating chamber 14 connects
It is connected to reverse osmosis water 15, heating chamber 14 is internally provided with electric heating wire 16, and insertion is provided with temperature on the inner sidewall of heating chamber 14
The output end of sensor 17, haemodialyser 1 is communicated with vein trap 21, the top setting of vein trap 21 by perfusion tube 2
There is vein pressure probe 22, the two sides of vein trap 21 are provided with ultrasonic monitor 23, and the side of vein trap 21 passes through quiet
Arteries and veins loop pipe 24 is connected to the vein end 25 of human body, and choked flow folder 26 is equipped on venous return line pipe 24, and the lower end of choked flow folder 26 is solid
Dingan County is equipped with infrared observation device 27.
In the present embodiment, it is preferred that arterial pressure probe 6 and vein pressure probe 22 are all made of precision as 3/1000ths
The voltage signal of the direct measured pressure signal of pressure probe, output is amplified to 0- with linear amplifier AD524 through accurate instrument
200mV, then be converted to digital data transmission through A/D converter TLC2543 and handled to from calculating, can be accurately at detection
Pressure value in artery loop pipe, venous return line pipe and haemodialyser.
In the present embodiment, it is preferred that the pump head of blood pump 7 use from play roller structure, by singlechip group at closed loop control
System processed, and the choice of diameter of blood pump 7 is 6-10mm, blood flow is linear adjustable within the scope of 15-150ml/min, can be fast
Speed is by the rotational speed regulation of stepper motor within the scope of requiring.
In the present embodiment, it is preferred that heparin pump 8 is driven using stepper motor, it is ensured that the injection speed of heparin pump 8 misses
Difference is less than+3%, it promotes bolt that can connect the syringe of 20ml, 30ml or 50ml according to the requirement of various types, is supervised by photoelectric tube
The rotation situation of stepper motor is surveyed, if obstruction or empty liquid occur for heparin pump 8, at this moment photoelectric tube can pass information to PLC control
Device 19 processed, PLC controller 19 controls warning device 20 and sounds an alarm, and stops the operating of heparin pump 8.
In the present embodiment, it is preferred that the upper end of vein trap 21 is provided with fluid infusion entrance 28, and convenient is system feed flow.
In the present embodiment, it is preferred that haemodialyser 1 is internally provided with transmembrane pressure monitoring probe 29, convenient for monitoring blood
Transmembrane pressure inside liquid dialyzer 1.
In the present embodiment, it is preferred that warning device 20 is combined aural and visual alarm, model TGDD-002.
In the present embodiment, it is preferred that PLC controller 19 is SIEMENS PLC controller, PLC controller 19 and arterial pressure
Probe 6, blood pump 7, heparin pump 8, warning device 20, ultrafiltrate pump 9, electric heating wire 16, temperature sensor 17, ultrasonic monitor
23, choked flow folder 26, transmembrane pressure monitoring probe 29 and infrared observation device 27 are electrically connected.
The working principle of the invention and process for using：The output end of haemodialyser 1 is communicated with vein by perfusion tube 2 and falls into
Trap 21, the top of vein trap 21 are provided with vein pressure probe 22, and the two sides of vein trap 21 are provided with ultrasonic monitor
23, the side of vein trap 21 is connected to the vein end 25 of human body by venous return line pipe 24, and is equipped on venous return line pipe 24
The lower end of choked flow folder 26, choked flow folder 26 is fixedly installed with infrared observation device 27, and heating chamber 14 is arranged by touch display screen 30
In temperature range, artery loop pipe 4, the transmembrane pressure force value in venous return line pipe 24 and haemodialyser 1, by concentrate A12
It is matched according to a certain percentage with concentrate B13, reverse osmosis water 15 imported into heating chamber 14 and carries out, right using electric heating wire 16
Reverse osmosis water 15 is heated, and heating temperature is maintained at certain value, is monitored by 17 real-time perfoming of temperature sensor, human body artery end
Blood at 5 is brought out under the tending to act of blood pump 7, and the pressure of 6 monitoring arterial end of arterial pressure probe, heparin pump 8 continues slowly
Push anticoagulant heparin into artery loop pipe 4, blood enters in haemodialyser 1 after filtering out air by air trap,
Across semi-permeable membrane and dialyzate reverse flow in haemodialyser 1, mass exchange is carried out by disperse and penetration theory, removes generation
Product such as urea, creatinine, component quantity of material and extra moisture in guanidine are thanked, acid, alkali and the electrolyte concentration in blood are balanced,
Blood after exchange is entered in vein trap 21 by perfusion tube 2, is detected at this time using supersonic detector 23 to liquid level,
If bubble flows in vein trap 21 with blood, when ultrasonic wave directive gas-blood interface, reflection frequency will also occur
Variation, to generate frequency difference effect, the acoustic impedance of bubble and blood differs greatly, their movement velocity is again different, because
This, generated signal has biggish difference when bubble and blood are at motion state, with bubble in blood at this therefrom detecting
In the presence of can be improved the accuracy of its monitoring, then the vein end 25 in human body turned again to by venous return line pipe 24, quiet
In arteries and veins loop pipe 24, bubble is monitored using infrared detector 27, infrared emission tube continuously sends out infrared light progress
Detection, when bubble flows with blood in venous return line pipe 24 and passes through infrared emission tube, infrared emission tube hair
Infrared luminous energy out is passed through and bubble and is received by infrared receiver tube, and reception pipe receives and is transferred to computer through amplification after signal
It is handled, and level sensing and bubble detection can be detected in dialysis procedure with the presence or absence of bubble in blood, and are touched
Sounding light crossing-signal, PLC controller 19 can stop the operating of blood pump 7 and ultrafiltrate pump 9 in time, and choked flow folder 26 clamps vein automatically
Loop pipe 24 blocks blood circuit, and level sensing and bubble detection constitute dual air detection protective device, so that bubble
Detection accuracy significantly improves, and can detect that diameter is the bubble of 2mm, can effectively prevent air and enter patient's body, to avoid
Air embolism accident occurs, safety significantly improves.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of haemodialysis fault detection alarm device, including haemodialyser（1）, which is characterized in that the haemodialysis
Device（1）Input terminal pass through perfusion tube（2）It is communicated with venous chambers（3）, the venous chambers（3）One end pass through artery loop pipe
（4）It is connected to the arterial end of human body（5）, and the artery loop pipe（4）On be equipped with arterial pressure probe（6）, blood pump（7）And liver
Element pump（8）, and the arterial pressure is popped one's head in（6）, blood pump（7）And heparin pump（8）It sets gradually, and the arterial pressure is popped one's head in
（6）Close to the arterial end of human body（5）Setting, the haemodialyser（1）Side wall on insertion be provided with control panel（18）With
Warning device（20）, the control panel（18）Outer surface be provided with touch display screen（30）, the control panel（18）'s
It is internally provided with PLC controller（19）, the haemodialyser（1）Side pass through perfusion tube（2）It is connected with ultrafiltrate pump（9）With
Counter balance pocket（10）, the counter balance pocket（10）Side pass through perfusion tube（2）It is connected with proportioning pump（11）, the proportioning pump（11）'s
Input terminal is connected with concentrate A（12）With concentrate B（13）, the proportioning pump（11）Side be also connected with heating chamber（14）,
The heating chamber（14）Input terminal be connected with reverse osmosis water（15）, the heating chamber（14）Be internally provided with electric heating wire
（16）, the heating chamber（14）Inner sidewall on insertion be provided with temperature sensor（17）, the haemodialyser（1）Output
End passes through perfusion tube（2）It is communicated with vein trap（21）, the vein trap（21）Top be provided with vein pressure probe
（22）, the vein trap（21）Two sides be provided with ultrasonic monitor（23）, the vein trap（21）Side pass through
Venous return line pipe（24）It is connected to the vein end of human body（25）, and the venous return line pipe（24）On be equipped with choked flow folder（26）, institute
State choked flow folder（26）Lower end be fixedly installed with infrared observation device（27）.
2. a kind of haemodialysis fault detection alarm device according to claim 1, it is characterised in that：The arterial pressure
Probe（6）It pops one's head in vein pressure（22）It is all made of the direct measured pressure signal of pressure probe that precision is 3/1000ths.
3. a kind of haemodialysis fault detection alarm device according to claim 1, it is characterised in that：The blood pump（7）
Pump head use from playing roller structure, by singlechip group at closed-loop control system, and the blood pump（7）The choice of diameter be
6-10mm, blood flow are linear adjustable within the scope of 15-150ml/min.
4. a kind of haemodialysis fault detection alarm device according to claim 1, it is characterised in that：The heparin pump
（8）It is driven using stepper motor, it is ensured that heparin pump（8）Injection speed error be less than+3%。
5. a kind of haemodialysis fault detection alarm device according to claim 1, it is characterised in that：The vein trap
（21）Upper end be provided with fluid infusion entrance（28）.
6. a kind of haemodialysis fault detection alarm device according to claim 1, it is characterised in that：The haemodialysis
Device（1）Be internally provided with transmembrane pressure monitoring probe（29）.
7. a kind of haemodialysis fault detection alarm device according to claim 1, it is characterised in that：The warning device
（20）For combined aural and visual alarm, model TGDD-002.
8. a kind of haemodialysis fault detection alarm device according to claim 1, it is characterised in that：The PLC control
Device（19）For SIEMENS PLC controller, the PLC controller（19）It pops one's head in arterial pressure（6）, blood pump（7）, heparin pump（8）,
Warning device（20）, ultrafiltrate pump（9）, electric heating wire（16）, temperature sensor（17）, ultrasonic monitor（23）, choked flow folder
（26）, transmembrane pressure monitoring probe（29）With infrared observation device（27）It is electrically connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810724060.6A CN108853622A (en) | 2018-07-04 | 2018-07-04 | A kind of haemodialysis fault detection alarm device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810724060.6A CN108853622A (en) | 2018-07-04 | 2018-07-04 | A kind of haemodialysis fault detection alarm device |
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| CN108853622A true CN108853622A (en) | 2018-11-23 |
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| CN201810724060.6A Pending CN108853622A (en) | 2018-07-04 | 2018-07-04 | A kind of haemodialysis fault detection alarm device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624150A (en) * | 2019-10-24 | 2019-12-31 | 常州市第一人民医院 | Plasma separation protein A immunoadsorption device |
| CN110927086A (en) * | 2019-12-13 | 2020-03-27 | 循证医疗科技(杭州)有限公司 | Blood sample detection method |
| CN111973852A (en) * | 2020-08-10 | 2020-11-24 | 深圳市普博科技有限公司 | Method, device and equipment for controlling output concentration of anesthetic and storage medium |
| CN113457005A (en) * | 2020-03-31 | 2021-10-01 | 上海微创心力医疗科技有限公司 | Bubble detection method, electronic device, readable storage medium and blood pump system |
| CN113984663A (en) * | 2021-10-28 | 2022-01-28 | 中国人民解放军海军特色医学中心 | Optical detection device and working method thereof |
| CN114306782A (en) * | 2021-12-27 | 2022-04-12 | 宁波益诺生智能制造有限公司 | Bubble detection end face sealing test device |
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| CN113457005A (en) * | 2020-03-31 | 2021-10-01 | 上海微创心力医疗科技有限公司 | Bubble detection method, electronic device, readable storage medium and blood pump system |
| CN113457005B (en) * | 2020-03-31 | 2023-05-05 | 上海微创心力医疗科技有限公司 | Bubble detection method, electronic device, readable storage medium, and blood pump system |
| CN111973852A (en) * | 2020-08-10 | 2020-11-24 | 深圳市普博科技有限公司 | Method, device and equipment for controlling output concentration of anesthetic and storage medium |
| CN111973852B (en) * | 2020-08-10 | 2023-05-02 | 深圳市普博医疗科技股份有限公司 | Method, device, equipment and storage medium for controlling output concentration of anesthetic |
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