CN201692386U - Liquid level control device of blood purification artery and vein pot - Google Patents
Liquid level control device of blood purification artery and vein pot Download PDFInfo
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- CN201692386U CN201692386U CN2010201814790U CN201020181479U CN201692386U CN 201692386 U CN201692386 U CN 201692386U CN 2010201814790 U CN2010201814790 U CN 2010201814790U CN 201020181479 U CN201020181479 U CN 201020181479U CN 201692386 U CN201692386 U CN 201692386U
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- 210000003462 vein Anatomy 0.000 title claims abstract description 124
- 239000008280 blood Substances 0.000 title claims abstract description 63
- 210000004369 blood Anatomy 0.000 title claims abstract description 63
- 238000000746 purification Methods 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 title abstract description 43
- 210000001367 artery Anatomy 0.000 title abstract description 13
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 30
- 230000003139 buffering effect Effects 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 206010011409 Cross infection Diseases 0.000 abstract description 3
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract 2
- 238000005086 pumping Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The utility model relates to a liquid level control device of a blood purification artery and vein pot, belonging to the field of medical instrument. The upper ends and the lower ends of an artery pot (6) and a vein pot (16) are respectively provided with upper sensors (7 and 15) and lower sensors (5 and 17); an artery loop (2) is provided with a blood pump (3); the tail end of an artery pot ventilation pipe (8) is provided with an artery pot hydrophobic filter (9) and an artery pot air pump (10) in sequence; the artery loop (2) is provided with an artery loop choke clamp (4); a vein pot ventilation pipe (12) is provided with a vein pot hydrophobic filter (13) and a vein pot air pump (14); and a vein loop (19) is provided with a vein loop choke clamp (18). The use of manual control avoids the condition that an empty injector is used for pumping gas so as to generate cross infection easily; the use of an automatic control mode saves manual close watching, reduces the workload and can not cause treatment terminal due to overlow liquid level caused by liquid level change.
Description
Technical field
Blood purification arteriovenous kettle fluid level control device belongs to medical instruments field.Be specifically related to a kind of blood purification arteriovenous kettle fluid level control device with automatic and manual control function.
Background technology
In blood purification, the arteriovenous kettle liquid level on the blood circuit requires to stablize within the specific limits, but owing to reasons such as pressure, bubble enter, liquid level often changes.Tremulous pulse kettle liquid level is low can to cause the air admission blood purification, the low danger that can cause the air admission human vein of vein kettle liquid level.For blood purification treatment can be carried out smoothly, product has adopted certain methods control arteriovenous kettle liquid level both at home and abroad.At present, home products adopts ultrasonic usually or optical means detects vein kettle liquid level, and when vein kettle liquid level is lower than when minimum level is set, the vein loop is clamped in the action of choked flow folder, stops the air admission human body, the blood pump stall.Want not occur liquid level and cross low phenomenon, adopt operator's field observation usually, when finding that liquid level is on the low side, use empty syringe with the sucking-off of part air, thereby improved liquid level.Offshore company's product also adopts ultrasonic usually or optical means detects vein kettle liquid level, and when vein kettle liquid level is lower than when minimum level is set, the vein loop is clamped in the action of choked flow folder, stops the air admission human body, the blood pump stall.Want not occur liquid level and cross low phenomenon, adopt operator's manual observation usually,, then pin corresponding lifting key, reverse keys when treating that liquid level is raised to rational position if find that artery and vein kettle liquid level is on the low side; If find that liquid level is higher, then pin corresponding decline key, reverse keys when treating that liquid level drops to rational position.These methods not only need to expend a large amount of energy and go nurse, and are prone to the situation of cross infection with syringe pump gas, and the blood pump stall also can therapy discontinued, and the influence treatment is normally carried out, so be not the method for the best.
Summary of the invention
The technical problems to be solved in the utility model is: the present invention overcomes the deficiencies in the prior art, provides a kind of and has automatically and the blood arteriovenous kettle fluid level control device of manual function.
The technical scheme that its technical problem that solves this utility model adopts is: this blood purification arteriovenous kettle fluid level control device, comprise the tremulous pulse loop, the vein loop, blood pump, the tremulous pulse kettle, the vein kettle, blood purification and moving, vein kettle breather, tremulous pulse kettle one end connects tremulous pulse loop and tremulous pulse kettle breather, the other end is connected with blood purification by the tremulous pulse loop, blood purification passes through silently, and the arteries and veins loop is connected with the vein kettle, it is characterized in that: upper sensor and lower sensor are set respectively at tremulous pulse kettle and vein kettle upper and lower side, on the tremulous pulse loop, blood pump is set, set gradually tremulous pulse kettle hydrophobic filter and tremulous pulse kettle air pump at tremulous pulse kettle breather end, choked flow folder in tremulous pulse loop is set on the tremulous pulse loop, vein kettle hydrophobic filter and vein kettle air pump are set on vein kettle breather, choked flow folder in vein loop is set on the vein loop; Upper sensor links to each other with control device with lower sensor, blood pump, tremulous pulse kettle air pump, vein kettle air pump, vein loop choked flow folder, tremulous pulse loop choked flow folder and vein kettle air pump.The effect of upper and lower pick off is to be used for detecting the position of blood in the arteriovenous kettle.
Described control device comprises information process unit, encoder circuit 1, encoder circuit 2, keyboard circuit, upper sensor buffering buffer circuit and lower sensor buffering buffer circuit, 8 functional switches of keyboard circuit link to each other with encoder circuit 1, the upper sensor of upper sensor buffering buffer circuit links to each other with encoder circuit 2 with the lower sensor of lower sensor buffering buffer circuit, encoder circuit 1, encoder circuit 2 links to each other with information process unit, information process unit respectively with blood pump, tremulous pulse kettle air pump, tremulous pulse loop choked flow folder, choked flow folder in vein loop links to each other with vein kettle air pump.
Information process unit comprises single-chip microcomputer U1, rp-drive U2, resistor chain R19, crystal oscillator Y1 and capacitor C 1, meet crystal oscillator Y1 between 18 feet of single-chip microcomputer U1 and 19 feet, connect capacitor C 1 between 19 feet of single-chip microcomputer U1 and 20 feet, and 20 foot ground connection, 12 feet of single-chip microcomputer U1,13 feet, 14 feet and 15 feet are connected with 1 foot, 2 feet, 3 feet, 4 feet of rp-drive successively; Resistor chain R19 is connected with 5 feet, 6 feet, 7 feet of rp-drive U2, another termination power of resistor chain R19,12 feet of rp-drive U2,13 feet, 14 feet, 15 feet and 16 feet are connected blood pump, vein loop choked flow folder, vein kettle air pump, tremulous pulse loop choked flow folder and tremulous pulse kettle air pump successively.
Described encoder circuit 1 and encoder circuit 2 comprise encoder U3 and encoder U4 respectively, 6 feet of encoder U3,7 feet, 9 feet successively with 21 feet of single-chip microcomputer U1,22 feet, 23 feet connect, 27 feet of single-chip microcomputer U1 insert 5 feet of encoder U3,1 foot of encoder U3,2 feet, 3 feet, 4 feet, 10 feet, 11 feet, 12 feet, 13 feet connect the manual control HM2 K switch 5 of keyboard circuit successively, automatically control AUT02 K switch 6, UP2 K switch 7 makes progress, downward DN2 K switch 8, manually control HM1 K switch 1, automatically control AUT0 K switch 2, UP1 K switch 3 makes progress, downward DN1 K switch 4; 6 feet of encoder U4,7 feet, 9 feet also successively with 21 feet of single-chip microcomputer U1,22 feet, 23 feet connect, 1 foot of encoder U4,2 feet, 3 feet, 4 feet connect resistor chain R18 respectively, the resistance other end connects power supply jointly, 5 feet of encoder U4 insert 28 feet of single-chip microcomputer U1,10 feet of encoder U4,11 feet, 12 feet, 13 feet connect tremulous pulse kettle lower sensor successively, tremulous pulse kettle upper sensor, vein kettle lower sensor and vein kettle upper sensor through buffer compartment from after corresponding tremulous pulse kettle lower sensor, tremulous pulse kettle upper sensor, vein kettle lower sensor and vein kettle upper sensor output signal CG1, signal CG2, signal CG3 and signal CG4.
Described keyboard circuit comprise resistor chain R1 and manually control HM2 K switch 5, automatically control AUT02 K switch 6, upwards UP2 K switch 7, downwards DN2 K switch 8, manually control HM1 K switch 1, control AUT0 K switch 2, upwards UP1 K switch 3, DN1 K switch 4 downwards automatically; 8 resistance of resistor chain R1 parallel connection respectively are linked into K switch 1～K8, the public termination power of resistor chain R1.
Described tremulous pulse kettle lower sensor buffering buffer circuit comprises pick off J1, resistance R 2, resistance R 6, resistance R 10, resistance R 14, light emitting diode D1 and audion V1, pick off J1 signal is after the dividing potential drop of resistance R 2 and resistance R 6, enter audion V1, the colelctor electrode by audion V1 links to each other with encoder circuit 2.
The described breather that is connected with the artery and vein kettle, be mainly used to discharge or suck the gas in the artery and vein kettle, at arteriovenous hydrophobic filter and the arteriovenous kettle air pump that the breather end sets gradually, be respectively and select to have only gas to pass through and the mobile effect of guiding gas.
Described keyboard links to each other with control device respectively, and control device is connected with arteriovenous kettle air pump, blood pump, arteriovenous loop choked flow folder, is used for controlling the rotation of arteriovenous kettle air pump, blood pump and the action of arteriovenous loop choked flow folder.
Described information process unit adopts single-chip microcomputer P89C51RD2FN and rp-drive MC1413 to connect to form.Single-chip microcomputer P89C51RD2FN is used for handling the control information of the keyboard circuit that encoder circuit 1, encoder circuit 2 receive and the information of pick off buffering buffer circuit, and the output information after the processing is through the action of rp-drive MC1413 control blood pump, arteriovenous kettle air pump and arteriovenous loop choked flow folder.
Described coding circuit 1 and coding circuit 2 adopt the ternary 8-3 encoder 74HC348 that exports, in two encoders, and 8 functional switches that connect keyboard, another connects arteriovenous kettle four pick off buffering buffer circuits up and down.
Compared with prior art, the beneficial effect that has of the present utility model is: existing by manual control key, manually control the function of liquid level, and the function of automatic control liquid level is arranged again; Use control manually to avoid being prone to the situation of cross infection with empty syringe pump gas; Use automatic control mode, save artificial nurse closely, reduce working dynamics, can not cause liquid level to cross the low treatment terminal situation that occurs because of liquid level changes.
Description of drawings
Fig. 1 is a blood purification arteriovenous kettle fluid level control device structural representation;
Fig. 2 is a blood purification arteriovenous kettle fluid level control device control principle structured flowchart;
Fig. 3 is a keyboard circuit;
Fig. 4 is a tremulous pulse kettle lower sensor buffering buffer circuit;
Fig. 5 is a tremulous pulse kettle upper sensor buffering buffer circuit;
Fig. 6 is a vein kettle lower sensor buffering buffer circuit;
Fig. 7 is a vein kettle upper sensor buffering buffer circuit;
Fig. 8 is a 8-3 encoder circuit 1;
Fig. 9 is a 8-3 encoder circuit 2;
Figure 10 and Figure 11 are the information process unit circuit.
Wherein 1, human body 2, tremulous pulse loop 3, blood pump 4, tremulous pulse choked flow folder 5, tremulous pulse kettle lower sensor 6, tremulous pulse kettle 7, tremulous pulse kettle upper sensor 8, tremulous pulse kettle breather 9, tremulous pulse kettle hydrophobic filter 10, tremulous pulse kettle air pump 11, blood purification 12, vein kettle breather 13, vein kettle hydrophobic filter 14, vein kettle air pump 15, vein kettle upper sensor 16, vein kettle 17, vein kettle lower sensor 18, vein choked flow folder 19, vein loop, 20 keyboards;
R1-R19 resistance C1 electric capacity J1-J4 pick off V1-V4 audion D1-D4 light emitting diode Y1 crystal oscillator K1-K8 switch U1 single-chip microcomputer U2 rp-drive U3, U4 8-3 encoder among Fig. 3-11.
The specific embodiment
As shown in Figure 1: this blood purification arteriovenous kettle fluid level control device, form by tremulous pulse loop 2, blood pump 3, tremulous pulse loop choked flow folder 4, tremulous pulse kettle lower sensor 5, tremulous pulse kettle 6, tremulous pulse kettle upper sensor 7, tremulous pulse kettle breather 8, tremulous pulse kettle hydrophobic filter 9, tremulous pulse kettle air pump 10, blood purification 11, vein kettle breather 12, vein kettle hydrophobic filter 13, vein kettle air pump 14, vein kettle upper sensor 15, vein kettle 16, vein kettle lower sensor 17, vein loop choked flow folder 18, vein loop 19, keyboard 20.Tremulous pulse kettle 6 one ends connect tremulous pulse loop 2 and tremulous pulse kettle breather 8, the other end is connected with blood purification 11 by tremulous pulse loop 2, blood purification 11 is connected with vein kettle 16 by vein loop 19, it is characterized in that: upper sensor 7 is set respectively at tremulous pulse kettle 6 and vein kettle 16 upper and lower sides, 15 and lower sensor 5,17, blood pump 3 is set on tremulous pulse loop 2, set gradually hydrophobic filter 9 and tremulous pulse kettle air pump 10 at tremulous pulse kettle breather 8 ends, tremulous pulse loop choked flow folder 4 is set on tremulous pulse loop 2, vein kettle hydrophobic filter 13 and vein kettle air pump 14 are set on vein kettle breather 12, vein loop choked flow folder 18 is set on vein loop 19; Upper sensor 7,15 and lower sensor 5,17, blood pump 3, tremulous pulse kettle air pump 10, vein kettle air pump 14, tremulous pulse loop choked flow folder 4 and vein loop choked flow folder 18 link to each other with control device.
As shown in Figure 2: control device comprises information process unit, encoder circuit 1, encoder circuit 2, keyboard circuit 20, upper sensor buffering buffer circuit and lower sensor buffering buffer circuit, 8 functional switches of keyboard circuit link to each other with encoder circuit 1, the upper sensor 7 of upper sensor buffering buffer circuit, 15 and the lower sensor 5 of lower sensor buffering buffer circuit, 17 link to each other with encoder circuit 2, encoder circuit 1, encoder circuit 2 links to each other with information process unit, be used for handling the output signal of encoder, this signal is the output control signal after information process unit is handled.Information process unit links to each other with vein kettle air pump 14 with blood pump 3, tremulous pulse kettle air pump 10, tremulous pulse loop choked flow folder 4, vein loop choked flow folder 18 respectively.The action of information process unit control blood pump 3, tremulous pulse kettle air pump 10 and vein kettle air pump 14 and tremulous pulse loop choked flow folder 4, vein loop choked flow folder 18.
As shown in Figure 10 and Figure 11: information process unit comprises single-chip microcomputer U1, rp-drive U2, resistor chain R18, crystal oscillator Y1 and capacitor C 1.Meet crystal oscillator Y1 between 18 feet of single-chip microcomputer U1 and 19 feet, connect capacitor C 1 between 19 feet of single-chip microcomputer U1 and 20 feet, and 20 foot ground connection, 12 feet of single-chip microcomputer U1,13 feet, 14 feet and 15 feet are connected with 1 foot, 2 feet, 3 feet, 4 feet of rp-drive successively; Resistor chain R19 is connected with 5 feet, 6 feet, 7 feet of rp-drive U2, another termination power of resistor chain R19,12 feet of rp-drive U2,13 feet, 14 feet, 15 feet and 16 feet are connected blood pump 3, vein loop choked flow folder 18, vein kettle end air pump 14, tremulous pulse loop choked flow folder 4 and tremulous pulse kettle end air pump 10 successively.
Shown in Fig. 8～9: encoder circuit comprises encoder U3 and encoder U4,6 feet of encoder U3,7 feet, 9 feet successively with 21 feet of single-chip microcomputer U1,22 feet, 23 feet connect, 27 feet of single-chip microcomputer U1 insert 5 feet of encoder U3,1 foot of encoder U3,2 feet, 3 feet, 4 feet, 10 feet, 11 feet, 12 feet, 13 feet connect the manual control HM2 K switch 5 of keyboard circuit successively, automatically control AUT02 K switch 6, UP2 K switch 7 makes progress, downward DN2 K switch 8, manually control HM1 K switch 1, automatically control AUT0 K switch 2, UP1 K switch 3 makes progress, downward DN1 K switch 4; 6 feet of encoder U4,7 feet, 9 feet are connected with 21 feet, 22 feet, 23 feet of single-chip microcomputer U1 successively, 1 foot of encoder U4,2 feet, 3 feet, 4 feet connect resistor chain R18 respectively, the resistance other end connects power supply jointly, 5 feet of encoder U4 insert 28 feet of single-chip microcomputer U1, and 10 feet of encoder U4,11 feet, 12 feet, 13 feet connect tremulous pulse kettle lower sensor 5, tremulous pulse kettle upper sensor 7, vein kettle lower sensor 17 and vein kettle upper sensor 15 successively.
As shown in Figure 3: described keyboard circuit comprise resistor chain R1 and manually control HM2 K switch 5, automatically control AUT02 K switch 6, upwards UP2 K switch 7, downwards DN2 K switch 8, manually control HM1 K switch 1, control AUT0 K switch 2, upwards UP1 K switch 3, DN1 K switch 4 downwards automatically; , 8 resistance of resistor chain R1 parallel connection respectively are linked into K switch 1-K8, the public termination power of resistor chain R1.
As shown in Figure 4: described tremulous pulse kettle lower sensor buffering buffer circuit comprises pick off J1, resistance R 2, resistance R 6, resistance R 10, resistance R 14, light emitting diode D1 and audion V1, pick off J1 signal is after the dividing potential drop of resistance R 2 and resistance R 6, enter audion V1, link to each other with encoder circuit 2 by audion V1.
Described pick off buffer compartment is identical with Fig. 4 structure from circuit diagram 5～7, does not do narration.
Work process: this utility model has two kinds of regulative modes, is respectively manual adjustments and adjusting automatically.
(1) manual adjustments, by this keyboard of device HM1 button, this device is manual adjustments, pins the tremulous pulse kettle 6 liquid level control keys UP1 that makes progress, 4 actions of tremulous pulse loop choked flow folder, tremulous pulse loop 2 is clamped, and then, tremulous pulse kettle air pump 10 clockwise rotates, 6 discharge gases in the tremulous pulse kettle, under the effect of blood pump 3, constantly there is blood to enter tremulous pulse kettle 6, thereby improved the liquid level of tremulous pulse kettle 6; Unclamp upwarding key UP1, tremulous pulse loop choked flow folder 4 unclamps, and tremulous pulse kettle air pump 10 stops operating.Pin tremulous pulse kettle 6 liquid level control key down Arrow DN1, tremulous pulse kettle air pump 10 rotates counterclockwise, and injecting gas in tremulous pulse kettle 6 like this, has reduced the liquid level of tremulous pulse kettle 6; Unclamp down Arrow DN1, tremulous pulse kettle air pump 10 stops operating.
(2) regulate automatically: when being pressed, start the automatic regulatory function of tremulous pulse kettle 6 by the autokeyer AUT01 on this keyboard of device.The liquid level that receives the tremulous pulse kettle 6 that tremulous pulse kettle lower sensor 5 sends when information process unit is lower than when the liquid level signal is set, information process unit is by 4 actions of designated command tremulous pulse loop choked flow folder, tremulous pulse loop 2 is clamped, then, information process unit order tremulous pulse kettle air pump 10 clockwise rotates, and discharges gas in tremulous pulse kettle 6, like this, under the effect of blood pump 3, constantly there is blood to enter tremulous pulse kettle 6, thereby improved the liquid level of tremulous pulse kettle 6; When liquid level rises to height is set, tremulous pulse kettle upper sensor 7 has reached to information process unit feedback liquid level height has been set, and information process unit output control signal makes 10 stalls of tremulous pulse kettle air pump and tremulous pulse loop choked flow folder 4 unclamp.At this moment, make progress UP1 and down Arrow DN1 of control key is invalid.
When the automatic control AUT02 key on this keyboard of device is pressed, start the automatic regulatory function of vein kettle 16.The liquid level that receives the vein kettle 16 that vein kettle upper sensor 17 sends when information process unit is lower than when the liquid level signal is set, information process unit is by 18 actions of designated command vein loop choked flow folder, vein loop 19 is clamped, then, information process unit output control signal makes vein kettle air pump 14 clockwise rotate, in vein kettle 16, discharge gas, like this, under the effect of blood pump 3, constantly there is blood to enter vein kettle 16, thereby improved the liquid level of vein kettle 16, when liquid level rises to height is set, vein kettle upper sensor 15 has reached to information process unit feedback liquid level height has been set, and information process unit output control signal makes 14 stalls of vein kettle air pump and vein loop choked flow folder 18 unclamp, at this moment, make progress UP2 and down Arrow DN2 of control key is invalid.
Claims (6)
1. blood purification arteriovenous kettle fluid level control device, comprise tremulous pulse loop (2), vein loop (19), blood pump (3), tremulous pulse kettle (6), vein kettle (16), blood purification (11) and moving, vein kettle breather (8,12), tremulous pulse kettle (6) one ends connect tremulous pulse loop (2) and tremulous pulse kettle breather (8), the other end is connected with blood purification (11) by tremulous pulse loop (2), blood purification (11) is connected with vein kettle (16) by vein loop (19), it is characterized in that: upper sensor (7 is set respectively at tremulous pulse kettle (6) and vein kettle (16) upper and lower side, 15) and lower sensor (5,17), blood pump (3) is set on tremulous pulse loop (2), set gradually tremulous pulse kettle hydrophobic filter (9) and tremulous pulse kettle air pump (10) at tremulous pulse kettle breather (8) end, tremulous pulse loop choked flow folder (4) is set on tremulous pulse loop (2), vein kettle hydrophobic filter (13) and vein kettle air pump (14) are set on vein kettle breather (12), vein loop choked flow folder (18) is set on vein loop (19); Upper sensor (7,15) links to each other with control device with lower sensor (5,17), blood pump (3), tremulous pulse kettle air pump (10), vein kettle air pump (14), vein loop choked flow folder (18) and tremulous pulse loop choked flow folder (4).
2. blood purification arteriovenous kettle fluid level control device according to claim 1, it is characterized in that: described control device comprises information process unit, encoder circuit 1, encoder circuit 2, keyboard circuit, upper sensor buffering buffer circuit and lower sensor buffering buffer circuit, 8 functional switches of keyboard circuit link to each other with encoder circuit 1, the upper sensor (7 of upper sensor buffering buffer circuit, 15) and the lower sensor (5 of lower sensor buffering buffer circuit, 17) link to each other with encoder circuit 2, encoder circuit 1, encoder circuit 2 links to each other with information process unit, information process unit respectively with blood pump (3), tremulous pulse kettle air pump (10), tremulous pulse loop choked flow folder (4), vein loop choked flow folder (18) links to each other with vein kettle air pump (14).
3. blood purification arteriovenous kettle fluid level control device according to claim 2, it is characterized in that: information process unit comprises single-chip microcomputer U1, rp-drive U2, resistor chain R19, crystal oscillator Y1 and capacitor C 1, meet crystal oscillator Y1 between 18 feet of single-chip microcomputer U1 and 19 feet, connect capacitor C 1 between 19 feet of single-chip microcomputer U1 and 20 feet, and 20 foot ground connection, 12 feet of single-chip microcomputer U1,13 feet, 14 feet and 15 feet are connected with 1 foot, 2 feet, 3 feet, 4 feet of rp-drive successively; Resistor chain R19 is connected with 5 feet, 6 feet, 7 feet of rp-drive U2, another termination power of resistor chain R19,12 feet of rp-drive U2,13 feet, 14 feet, 15 feet and 16 feet are connected blood pump (3), vein loop choked flow folder (18), vein kettle air pump (14), tremulous pulse loop choked flow folder (4) and tremulous pulse kettle air pump (10) successively.
4. blood purification arteriovenous kettle fluid level control device according to claim 2, it is characterized in that: described encoder circuit 1 and encoder circuit 2 comprise encoder U3 and encoder U4 respectively, 6 feet of encoder U3,7 feet, 9 feet successively with 21 feet of single-chip microcomputer U1,22 feet, 23 feet connect, 27 feet of single-chip microcomputer U1 insert 5 feet of encoder U3,1 foot of encoder U3,2 feet, 3 feet, 4 feet, 10 feet, 11 feet, 12 feet, 13 feet connect the manual control HM2 K switch 5 of keyboard circuit successively, automatically control AUT02 K switch 6, UP2 K switch 7 makes progress, downward DN2 K switch 8, manually control HM1 K switch 1, automatically control AUTO K switch 2, UP1 K switch 3 makes progress, downward DN1 K switch 4; 6 feet of encoder U4,7 feet, 9 feet also successively with 21 feet of single-chip microcomputer U1,22 feet, 23 feet connect, 1 foot of encoder U4,2 feet, 3 feet, 4 feet connect resistor chain R18 respectively, the resistance other end connects power supply jointly, 5 feet of encoder U4 insert 28 feet of single-chip microcomputer U1,10 feet of encoder U4,11 feet, 12 feet, 13 feet connect tremulous pulse kettle lower sensor (5) successively, tremulous pulse kettle upper sensor (7), vein kettle lower sensor (17) and vein kettle upper sensor (15) through buffer compartment from after corresponding tremulous pulse kettle lower sensor (5), tremulous pulse kettle upper sensor (7), vein kettle lower sensor (17) and vein kettle upper sensor (15) output signal CG1, signal CG2, signal CG3 and signal CG4.
5. blood purification arteriovenous kettle fluid level control device according to claim 2 is characterized in that: described keyboard circuit comprise resistor chain R1 and manually control HM2 K switch 5, automatically control AUT02 K switch 6, upwards UP2 K switch 7, downwards DN2 K switch 8, manually control HM1 K switch 1, control AUTO K switch 2, upwards UP1 K switch 3, DN1 K switch 4 downwards automatically; 8 resistance of resistor chain R1 parallel connection respectively are linked into K switch 1～K8, the public termination power of resistor chain R1.
6. blood purification arteriovenous kettle fluid level control device according to claim 2, it is characterized in that: described tremulous pulse kettle lower sensor buffering buffer circuit comprises pick off J1, resistance R 2, resistance R 6, resistance R 10, resistance R 14, light emitting diode D1 and audion V1, pick off J1 signal is after the dividing potential drop of resistance R 2 and resistance R 6, enter audion V1, the colelctor electrode by audion V1 links to each other with encoder circuit 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201814790U CN201692386U (en) | 2010-05-07 | 2010-05-07 | Liquid level control device of blood purification artery and vein pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201814790U CN201692386U (en) | 2010-05-07 | 2010-05-07 | Liquid level control device of blood purification artery and vein pot |
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| Publication Number | Publication Date |
|---|---|
| CN201692386U true CN201692386U (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201814790U Expired - Fee Related CN201692386U (en) | 2010-05-07 | 2010-05-07 | Liquid level control device of blood purification artery and vein pot |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103251994A (en) * | 2013-04-02 | 2013-08-21 | 周春华 | Blood pot device used under rocking vibration conditions |
| CN103990193A (en) * | 2014-05-15 | 2014-08-20 | 西安交通大学 | Single-pump double-way control system and control method thereof |
| CN108136099A (en) * | 2015-09-26 | 2018-06-08 | 费森尤斯医疗保健德国有限公司 | Determination of dissolved gases in blood during extracorporeal circulation |
| CN114184251A (en) * | 2021-12-10 | 2022-03-15 | 山东威高血液净化制品股份有限公司 | Liquid level detection equipment and CRRT equipment Capacity pot capacity detection system |
| CN115501406A (en) * | 2022-08-11 | 2022-12-23 | 健帆生物科技集团股份有限公司 | Liquid level control method of blood purification apparatus, and computer-readable storage medium |
-
2010
- 2010-05-07 CN CN2010201814790U patent/CN201692386U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103251994A (en) * | 2013-04-02 | 2013-08-21 | 周春华 | Blood pot device used under rocking vibration conditions |
| CN103990193A (en) * | 2014-05-15 | 2014-08-20 | 西安交通大学 | Single-pump double-way control system and control method thereof |
| CN103990193B (en) * | 2014-05-15 | 2016-02-24 | 西安交通大学 | A kind of blood purification single pump Double-channel control system and control method thereof |
| CN108136099A (en) * | 2015-09-26 | 2018-06-08 | 费森尤斯医疗保健德国有限公司 | Determination of dissolved gases in blood during extracorporeal circulation |
| CN114184251A (en) * | 2021-12-10 | 2022-03-15 | 山东威高血液净化制品股份有限公司 | Liquid level detection equipment and CRRT equipment Capacity pot capacity detection system |
| CN115501406A (en) * | 2022-08-11 | 2022-12-23 | 健帆生物科技集团股份有限公司 | Liquid level control method of blood purification apparatus, and computer-readable storage medium |
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Granted publication date: 20110105 Termination date: 20130507 |