CN109793955A - A kind of solution blood purification draws the unsmooth automation equipment of blood - Google Patents
A kind of solution blood purification draws the unsmooth automation equipment of blood Download PDFInfo
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- CN109793955A CN109793955A CN201910148818.0A CN201910148818A CN109793955A CN 109793955 A CN109793955 A CN 109793955A CN 201910148818 A CN201910148818 A CN 201910148818A CN 109793955 A CN109793955 A CN 109793955A
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Abstract
The present invention relates to a kind of blood purification auxiliary devices, in particular a kind of solution blood purification draws the unsmooth automation equipment of blood, including mounting plate, the physiological saline apparatus for placing that is mounted on the three-way device of the mounting plate side and is arranged at the top of the three-way device.The solution blood purification draws the unsmooth automation equipment of blood, by the way that the intubation of valve pipe fitting is inserted into normal saline bag, when generation conduit is adherent, it is larger that apparatus for purifying blood connects overpressure, physiological saline is injected in connecting tube, guarantee suitable blood flow, improve continuous blood purification effect, pass through the electromagnetic valve work in solenoid valve control module control valve pipe fitting, realization is automatically injected physiological saline work, it realizes working automation, flow information is converted into the weight figure signal that weight acquisition module acquires by flow algorithms module.
Description
Technical field
The present invention relates to a kind of blood purification auxiliary device, specially a kind of solution blood purification draws the unsmooth automation of blood
Device.
Background technique
Continuous blood purification can slow, lasting, steadily remove various toxin, the inflammatory mediator of patient's body
And excessive moisture, human internal environment is adjusted, is widely used to the treatment of various critical patients at present.In continuous therapeutic process
In, the normal operation of bedside blood purification device is the key that treatment is gone on smoothly.The monitoring system of apparatus for purifying blood can be with
Guarantee the safety in patient treatment procedure, when abnormality occurs in the therapeutic process of patient, machine can be prompted by alarming
Medical staff.But machine is frequently alarmed, and the therapeutic process of patient is interrupted, blood pump shuts down, and blood rests on patient's body
Outside, the risk that thrombotic event occurs increases, and serious person even threatens patient vitals；Meanwhile the sound frequently alarmed make patient and
Family members' heart feels panic.Wherein pressure alarm ratio most senior middle school, pressure alarm is most important the reason is that Insufficience of blood flow, clinical
In cause Insufficience of blood flow most common the reason is that the problem of vascular access such as conduit is adherent, therefore, tune when blood purification treatment
Whole merging draws blood vessel road in suitable position, guarantees that suitable blood flow is the premise of continuous blood purification treatment.Face
Bed is common to draw blood vessel road and apparatus for purifying blood increases even a three-way device and one bag of physiological saline, rotates when generation conduit is adherent
Threeway position makes physiological saline introduce apparatus for purifying blood to solve the problems, such as that adherent caused to draw blood unsmooth.But this operation will increase
Patient fluids, which enter amount increase and are unable to monitor accurate liquid, enters amount；Operation can not intelligence need to be manually operated cannot be automatic
Change.In consideration of it, it is proposed that a kind of solution blood purification draws the unsmooth automation equipment of blood.
Summary of the invention
The purpose of the present invention is to provide a kind of solution blood purifications to draw the unsmooth automation equipment of blood, to solve above-mentioned back
The increase patient fluids proposed in scape technology, which enter amount increase and are unable to monitor accurate liquid, enters amount；Operation can not intelligence need hand
The problem of dynamic operation cannot automate.
To achieve the above object, on the one hand, the present invention provides a kind of solution blood purification and draws the unsmooth automation equipment of blood,
Including mounting plate, the physiological saline that is mounted on the three-way device of the mounting plate side and is arranged at the top of the three-way device
Apparatus for placing, the three-way device include connecting tube, and there are three the outer wall settings of the connecting tube is in charge of, the outer wall being in charge of
It is provided with external screw thread, is respectively arranged at left and right sides of the connecting tube and draws blood adapter tube and apparatus for purifying blood adapter tube, the company
Valve pipe fitting is provided at the top of adapter tube, it is described to draw the interior of blood adapter tube, apparatus for purifying blood adapter tube and the valve pipe fitting
Wall is respectively arranged with internal screw thread, is provided with intubation at the top of the valve pipe fitting, the back side of the connecting tube be equipped with sliding block and
The sliding block outer wall offers location hole.
Preferably, the external screw thread and the internal screw thread are threadedly coupled.
Preferably, the intubation and the valve pipe fitting communicate.
Preferably, the upper and lower ends of the mounting plate are respectively arranged with mounting screw, the outer surface of the mounting plate is opened
Equipped with straight, the side wall of the mounting plate offers side chute, and the inside of the side chute offers inside groove, the installation
Plate is provided with locking device close to the side chute side, and the locking device includes the positioning being provided with inside the side chute
Ring, the outer wall of the positioning ring are provided with traveller, and the positioning ring is internally provided with stud.
Preferably, the traveller and the inside groove are slidably matched.
Preferably, the positioning ring and the side chute are slidably matched.
Preferably, the physiological saline apparatus for placing includes the clamping plate for being clamped in the mounting plate side, the clamping plate
Upper and lower ends be separately installed with positioning bolt, the side of the clamping plate is provided with placing frame, the bottom setting of the placing frame
There is bottom plate, the side of the clamping plate is provided with flow indication screen, and the bottom plate includes weighing plate, the two sides difference of the weighing plate
It is provided with side plate, the center of the weighing plate offers through-hole.
Preferably, the clamping plate and the mounting plate are slidably matched.
Preferably, the side plate and the placing frame closely bond.
On the other hand, the present invention also provides a kind of solution blood purifications to draw the operating procedure of the unsmooth automation equipment of blood,
Draw the unsmooth automation equipment of blood including solution blood purification described in above-mentioned any one, specific steps are as follows:
S1, installation: blood adapter tube, apparatus for purifying blood adapter tube and valve pipe fitting will be drawn and be screwed on being in charge of respectively, blood will be drawn
Pipeline, which accesses to, to be drawn on blood adapter tube, and apparatus for purifying blood adapter tube access solves blood purification and draws in the unsmooth automation equipment of blood,
And the intubation of valve pipe fitting is inserted into normal saline bag；
S2, pressure monitor: by data acquisition module for acquiring connecting tube internal pressure value, by A/D conversion module
Digital conversion is carried out to the pressure signal of data collecting module collected, A/D conversion module is exported by data processing module
Frequency signal carries out data processing, calculates atmospheric pressure value by the relationship between frequency and air pressure, passes through data disaply moudle pair
The pressure signal of detection carries out digital display, by threshold setting module for setting pressure threshold, when a threshold is exceeded, passes through exception
Alarm modules issue alarm, meanwhile, by the electromagnetic valve work in solenoid valve control module control valve pipe fitting, by physiological saline
It injects in connecting tube, guarantees suitable blood flow, improve continuous blood purification effect；
S3, discharge amount of liquid are shown: being detected the weight of normal saline bag by Weight acquisition module, passed through one-chip computer module
Identifiable digital signal is converted into the analog signal of weight acquisition module, by flow algorithms module to weight acquisition module
The weight figure signal of acquisition is converted into flow information, carries out digital display to the flow that liquid flows out by display panel module.
Compared with prior art, beneficial effects of the present invention:
1, the solution blood purification draws the unsmooth automation equipment of blood, by the way that the intubation of valve pipe fitting is inserted into physiological saline
In bag, when occur conduit it is adherent when, it is larger that apparatus for purifying blood connects overpressure, and physiological saline is injected in connecting tube, guarantees
Suitable blood flow improves continuous blood purification effect.
2, the solution blood purification draws the unsmooth automation equipment of blood, passes through pressure inside data collecting module collected connecting tube
Force value, by the electromagnetic valve work in solenoid valve control module control valve pipe fitting, realization is automatically injected physiological saline work, real
Existing working automation.
3, the solution blood purification draws blood unsmooth automation equipment and detects normal saline bag by Weight acquisition module
Weight is converted into flow information to the weight figure signal that weight acquisition module acquires by flow algorithms module, passes through display
Panel module carries out digital display to the flow that liquid flows out, and can show the data on flows of liquid, detect accurate liquid and enter amount.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is three-way device structural schematic diagram of the invention；
Fig. 3 is three-way device structural schematic diagram in the embodiment of the present invention 2；
Fig. 4 is pressure detecting process module figure of the invention；
Fig. 5 is data acquisition module circuit diagram of the invention；
Fig. 6 is A/D conversion module circuit diagram of the invention；
Fig. 7 is data processing module circuit diagram of the invention；
Fig. 8 is data processing module pinouts of the invention；
Fig. 9 is data disaply moudle circuit diagram of the invention；
Figure 10 is abnormality alarm module circuit diagram of the invention；
Figure 11 is solenoid valve control module circuit diagram of the invention；
Figure 12 is mounting plate figure of the invention；
Figure 13 is schematic enlarged-scale view at A in Figure 12 of the invention；
Figure 14 is locking device structure explosive view of the invention；
Figure 15 is physiological saline apparatus for placing structural schematic diagram of the invention；
Figure 16 is structural diagram of base plate of the invention；
Figure 17 is liquid outflow amount detection module figure of the invention；
Figure 18 is Weight acquisition module circuit diagram of the invention；
Figure 19 is display panel module circuit diagram of the invention.
In figure: 1, mounting plate；11, mounting screw；12, straight；13, side chute；14, inside groove；2, three-way device；
21, connecting tube；22, it is in charge of；23, external screw thread；24, draw blood adapter tube；25, apparatus for purifying blood is taken over；26, valve pipe fitting；27, interior
Screw thread；28, it is intubated；29, sliding block；210, location hole；211, pressure display screen；3, locking device；31, positioning ring；32, traveller；
33, stud；4, physiological saline apparatus for placing；41, clamping plate；42, positioning bolt；43, placing frame；44, bottom plate；441, weighing plate；
442, side plate；443, through-hole；45, flow indication 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.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Embodiment 1
On the one hand, the present invention provides a kind of solution blood purification and draws the unsmooth automation equipment of blood, as depicted in figs. 1 and 2,
Including mounting plate 1, the physiological saline that is mounted on the three-way device 2 of 1 side of mounting plate and the top of three-way device 2 is arranged in places
Device 4, three-way device 2 include connecting tube 21, and the outer wall setting of connecting tube 21 is in charge of 22 outer wall and is provided with there are three being in charge of 22
External screw thread 23, the left and right sides of connecting tube 21, which is respectively arranged with, draws blood adapter tube 24 and apparatus for purifying blood adapter tube 25, connecting tube 21
Top be provided with valve pipe fitting 26, the inner wall for drawing blood adapter tube 24, apparatus for purifying blood adapter tube 25 and valve pipe fitting 26 is set respectively
It is equipped with internal screw thread 27, the top of valve pipe fitting 26 is provided with intubation 28, and the back side of connecting tube 21 is equipped with sliding block 29 and sliding block 29
Outer wall offers location hole 210, and external screw thread 23 and internal screw thread 27 are threadedly coupled, and intubation 28 and valve pipe fitting 26 communicate.
In the present embodiment, valve pipe fitting 26 is pipeline ball-valve, convenient for the phase between control valve pipe fitting 26 and connecting tube 21
Logical state.
Specifically, the inside for drawing blood adapter tube 24, apparatus for purifying blood adapter tube 25 and valve pipe fitting 26 be provided with annular it is close
Seal is separately mounted to three convenient for drawing blood adapter tube 24, apparatus for purifying blood adapter tube 25 and valve pipe fitting 26 and is in charge of on 22, whole
Good airproof performance avoids air from entering and is in charge of in 22.
Draw blood adapter tube 24 to communicate by connecting tube 26 and apparatus for purifying blood adapter tube 25, convenient for blood by drawing blood adapter tube 24
Apparatus for purifying blood is entered by apparatus for purifying blood adapter tube 25 after converging with connecting tube 26.
Solution blood purification in the present embodiment draws the unsmooth automation equipment of blood when being installed, and will draw blood adapter tube
24, apparatus for purifying blood adapter tube 25 and valve pipe fitting 26 are screwed into respectively to being in charge of on 22, will draw blood vessel road access to draw blood adapter tube
On 24, the access of apparatus for purifying blood adapter tube 25 solves blood purification and draws in the unsmooth automation equipment of blood, and by valve pipe fitting 26
Intubation 28 be inserted into normal saline bag, under peacetime state, valve pipe fitting 26 is lockup state, draws blood vessel road for blood from drawing blood
Adapter tube 24 is introduced in connecting tube 21, and liquid continues through the flow direction of apparatus for purifying blood adapter tube 25 and solves blood purification to draw blood unsmooth
In automation equipment, continuous blood purification is realized, when generation conduit is adherent, lead to Insufficience of blood flow, while showing as blood
Pressure is larger in liquid purification device adapter tube 25, and by rotating valve pipe fitting 26, valve pipe fitting 26 is connected state at this time, by physiology salt
Water injects in connecting tube 21, guarantees suitable blood flow, improves continuous blood purification effect.
Embodiment 2
As second of embodiment of the invention, it is monitored for the ease of the pressure to connecting tube 21, and realize valve
26 automatically working of pipe fitting, the present invention staff make improvements connecting tube 21, as a kind of preferred embodiment, such as Fig. 3 and Fig. 4 institute
Show, the data acquisition module for overpressure detection is provided in connecting tube 21, and the outer wall of connecting tube 21 is additionally provided with pressure
Display screen 211 is provided with A/D conversion module, data processing module, data disaply moudle, threshold value setting in pressure display screen 211
Module, abnormality alarm module and solenoid valve control module are provided with solenoid valve in valve pipe fitting 26.
In the present embodiment, data acquisition module is made of baroceptor MPX4115, wherein 1 foot is output signal end, it is defeated
Out be analog voltage signal corresponding with atmospheric pressure value, data acquisition module circuit is as shown in figure 5, MPX4115 Series Piezoelectric
Electric resistance sensor is a silicon pressure sensor, and MPX4115 sensor combines advanced micro machine technology, film plating metal,
A counterpressure can be provided for high level analog output signal, be no more than 1.5% in 0 DEG C -85 DEG C of at a temperature of error, temperature
Compensation is -40 DEG C -125 DEG C, and data acquisition module is for acquiring 21 internal pressure value of connecting tube.
Further, due to baroceptor MPX4115 output be analog voltage, therefore, it is necessary to carry out simulation to number
The conversion of word can just transfer to single-chip microcontroller to handle, using A/D conversion module to the pressure of data collecting module collected in the present embodiment
Signal carries out digital conversion, and A/D conversion module is designed using ADC0832 chip, and ADC0832 is that National Semiconductor is raw
8 bit resolution of one kind of production, double channel A/D conversion chip, the circuit for the A/D converter that ADC is constituted is as shown in fig. 6, in Fig. 6
No. 2 pins are the inputs after data acquisition, and No. 5 pins and No. 6 pins are the output of converted signals, and ADC0832 is 8 resolutions
Rate A/D conversion chip, highest are differentiated up to 256 grades, and general analog quantity conversion requirements, internal electric source input are adapted to
With the multiplexing of reference voltage, so that the analog voltage of chip inputs between 0-5V, chip conversion time is only 32 μ S, independent
The enabled input of chip makes more device mountings and processor control become more convenient, can be easily by DI data input pin
Realize channel function selection, the interface of ADC0832 and single-chip microcontroller should be 4 data lines under normal circumstances, be respectively CS, CLK,
DO, DI, but due to the end DO and the end DI when communicating simultaneously effectively and be two-way with the interface of single-chip microcontroller, so circuit is set
DO and DI can be connected in parallel in a data wire and use by timing.
Specifically, the frequency signal that data processing module is used to export A/D conversion module carries out data processing, pass through frequency
Relationship between rate and air pressure calculates atmospheric pressure value, and data processing module is designed based on AT89C52 single-chip microcontroller in the present embodiment,
AT89C52 is a low-voltage, 8 single-chip microcontrollers of high-performance CMOS, and the re-erable reader that piece includes 4kbytes is deposited
The random access data storage RAM of reservoir PEROM and 128bytes, device using atmel corp high density, non-volatile
Memory technology production, compatibility standard MCS-51 instruction system, general 8 central processor CPUs built in piece and Flash storage are single
Member, powerful, circuit is as shown in Figure 7.
It is worth noting that AT89C52 pin is as shown in Figure 8, wherein Vcc connects+5V power supply, provides for singlechip chip
Electric energy；Vss ground connection；For XTAL1 inside single-chip microcontroller, it is the input terminal of a sign-changing amplifier, which constitutes in piece
Oscillator, it is possible to provide the clock control signal of single-chip microcontroller；XTAL2 is connected to the reversed defeated of above-mentioned oscillator inside single-chip microcontroller
Outlet；RSR/VPD9 foot: reset signal input terminal, high level is effective, when oscillator operation, adds two machines in this pin
The high level in period will make monolithic processor resetting REST, this pin level should be made to remain the low level not higher than 0.5V after reset,
To guarantee that single-chip microcontroller works normally；ALE/PROG:ALE is that address latch allows signal；PSEN: program storage, which allows to export, to be controlled
End processed.This output is the read strobe signal of access external program memory in monolithic, from external program memory instruction fetch or
During taking constant, each machine cycle equal PSEN is effective twice, but during this period, whenever accessing external data memory, this
Effective PSEN signal there will not be twice, and PSEN can equally drive 8 LSTTL loads；ALE/PROG:ALE is address
Latching allows signal, and during power down, this pin can connect backup power source VPD, to keep the data in internal RAM not lose, when
Vcc drops below specified value, and VPD is in voltage range as defined in it when 5 ± 0.5V, VPD just internally RAM provide it is spare
Power supply；EA/VPP:EA function is that inside and outside program storage selects control terminal, when the end EA keeps high level, in single-chip microcontroller access
Portion's program storage, but auto-steering is executed into the program in external program memory when PC value is more than 0FFFH；P0P0.0-
P0.7 is that 8 tri-states are I/O mouthfuls two-way, when not visiting overstocked portion, place memory, universaling I/O port use is done, for transmitting CPU
Input/output data, when accessing external memory, this mouth be address general line least-significant byte and data bus time-sharing multiplex
Mouthful, it can 8 LSTTL loads of band；P1P1.0-P2.7 is that 8 levels are I/O mouthfuls two-way, has internal pull-up resistor, can be 4, band
LSTTL load；P2P2.0-P2.7 is that 8 levels are I/O mouthfuls two-way, is multiplexed with address general line most-significant byte, can drive 4
LSTTL load.
In addition, data disaply moudle is used to carry out digital display to the pressure signal of detection, data disaply moudle is based on liquid crystal
Show that device LCD1602 is designed, LCD1602 can show two rows, 16 characters of every row, using+5V power supply power supply, peripheral circuit configuration
Simply, cheap, there is very high cost performance, circuit is as shown in figure 9, the peripheral pin of LCD1602 and effect:
1st foot: VSS is ground power supply；
2nd foot: VDD connects 5V positive supply；
3rd foot: V0 is liquid crystal display setting contrast end, and contrast is most weak when connecing cathode power supply, when earthing power supply
Contrast highest can generate " ghost " when contrast is excessively high, can pass through the potentiometer adjustment of a 10K when use
Contrast；
4th foot: RS is register selection, and when high level selects data register, selection instruction register when low level；
5th foot: RW is reading writing signal line, and when high level carries out read operation, and when low level carries out write operation, when RS and RW is total
It can be written into instruction or display address when being all low level, when RS is low level, RW can read busy signal when being high level,
It can be written into data when it is low level that RS, which is high level RW,；
6th foot: the end E is enable end, and when the end E is jumped by high level into low level, Liquid Crystal Module executes order；
7-14 foot: D0-D7 is 8 bidirectional data lines；
15-16 foot: empty foot.
In addition to this, threshold setting module when a threshold is exceeded, is sent out for setting pressure threshold by abnormality alarm module
It alarms out, meanwhile, pass through the electromagnetic valve work in solenoid valve control module control valve pipe fitting 26.
Specifically, abnormality alarm modular circuit is as shown in Figure 10, solenoid valve control module circuit is as shown in figure 11, ABS pressure
The maximum starting current of the normally opened oil inlet solenoid valve of 4 of draught control mechanism is about 3.6A；4 normally closed solenoid maximums out start electricity
Stream is about 2.4A, and 4.5~32V of operating voltage of L9349,0.2 Ω of two paths internal resistance, maximum load current 3A；Another two-way
Internal resistance 0.3 Ω, maximum load current 5A are able to satisfy the normally opened driving current requirement with normally closed solenoid valve of ABS just, and lower
Conducting internal resistance can guarantee low-power consumption again, therefore L9349 is very suitable to carry out the drive control of ABS solenoid valve, Tu10Zhong, every
L9349 can drive 4 electromagnetic valve works, belong to typical low side driving, provide 12V supply voltage to chip by the port Vs；
When to input terminal IN1~IN4PWM control signal, can easily control output end with drive 4 way solenoid valves work, OUT1 and
The maximum drive ability of the port OUT2 is 5A, it should connect the normally closed solenoid valve of ABS；The port OUT3 and OUT4 maximum drive ability
For 3A, ABS normally open solenoid valve should be connected, it can not be reversed；The port EN is enable end, can pass through MCU quick closedown chip；L9349
Digitally with simulation it is separated, improve the anti-interference ability of drive module.
Solution blood purification in the present embodiment draws the connecting tube 21 of the unsmooth automation equipment of blood in pressure detecting, leads to
Cross 21 internal pressure value of data collecting module collected connecting tube, the pressure by A/D conversion module to data collecting module collected
Signal carries out digital conversion, carries out data processing to the frequency signal that A/D conversion module exports by data processing module, passes through
Relationship between frequency and air pressure calculates atmospheric pressure value, carries out digital display by pressure signal of the data disaply moudle to detection, leads to
Threshold setting module is crossed for setting pressure threshold, when a threshold is exceeded, is issued and is alarmed by abnormality alarm module, meanwhile, lead to
Cross the electromagnetic valve work in solenoid valve control module control valve pipe fitting 26.
Embodiment 3
As the third embodiment of the invention, the height and position of three-way device 2 is adjusted, and the present invention staff is to installation
The structure of plate 1 makes improvements, and as a kind of preferred embodiment, as shown in Figure 12-Figure 14, the upper and lower ends of mounting plate 1 are set respectively
It is equipped with mounting screw 11, the outer surface of mounting plate 1 offers straight 12, and the side wall of mounting plate 1 offers side chute 13, side
The inside of sliding slot 13 offers inside groove 14, and mounting plate 1 is provided with locking device 3 close to 13 side of side chute, and locking device 3 includes
The positioning ring 31 being provided with inside side chute 13, the outer wall of positioning ring 31 are provided with traveller 32, and positioning ring 31 is internally provided with
Stud 33, traveller 32 and inside groove 14 are slidably matched, and positioning ring 31 and side chute 13 are slidably matched.
In the present embodiment, screw thread compatible with stud 33 is provided in positioning ring 31, so that stud 33 and positioning ring 31
It is threadedly coupled.
Further, sliding block 29 and straight 12 are slidably matched, and slide in straight 12 convenient for sliding block 29, realize
Linear slide of the three-way device 2 on mounting plate 1.
Specifically, stud 33 and location hole 210 are threadedly coupled, convenient for being screwed into stud 33 to location hole 210, to threeway
Device 2 is locked.
Solution blood purification in the present embodiment draws the locking device 3 of the unsmooth automation equipment of blood when in use, pushes
Three-way device 2 is slided in straight 12 by sliding block 29, convenient for adjusting the whole height of three-way device 2, works as three-way device
After 2 positions are adjusted, positioning ring 31 is pushed to 29 side of sliding block of three-way device 2, at this time by stud 33 from positioning ring 31
Side is screwed into, and stud 33 is screwed into location hole 210, realizes the fixation of three-way device 2.
Embodiment 4
As the 4th kind of embodiment of the invention, for the ease of being placed to normal saline bag, and to normal saline bag
The amount of liquid of discharge is shown that the present invention staff makes improvements physiological saline apparatus for placing 4, as a kind of preferred implementation
Example, as seen in figs. 15-17, physiological saline apparatus for placing 4 include being clamped in the clamping plate 41 of 1 side of mounting plate, clamping plate 41 up and down
Both ends are separately installed with positioning bolt 42, and the side of clamping plate 41 is provided with placing frame 43, and the bottom of placing frame 43 is provided with bottom plate
44, the side of clamping plate 41 is provided with flow indication screen 45, and bottom plate 44 includes weighing plate 441, and the two sides of weighing plate 441 are respectively set
There is side plate 442, the center of weighing plate 441 offers through-hole 443, and clamping plate 41 and mounting plate 1 are slidably matched, 442 He of side plate
Placing frame 43 closely bonds.
In the present embodiment, the section of clamping plate 41 is in concave, convenient for clamping plate 41 is clamped in 1 side wall of mounting plate.
Further, clamping plate 41 is made of plastic material, and material has certain toughness, so that clamping plate 41 has one
Fixed elasticity, is clamped on 1 side wall of mounting plate, and can slide on clamping plate 41 convenient for clamping plate 41.
Specifically, being embedded with multiple Weight acquisition modules in weighing plate 41, Weight acquisition module is based on WSD monocrystalline silicon piezoresistance
Formula pressure sensor design, for acquiring the weight data on weighing plate 41, WSD monocrystalline silicon piezoresistance formula pressure sensor is using single
Crystal silicon chip is elastic element, utilizes the technique of integrated circuit in monocrystalline silicon membrane on piece, spreads one group in the specific direction of monocrystalline silicon
Substitutional resistance, and resistance is connected into bridge, monocrystalline silicon piece is placed in sensor cavity, and when pressure changes, monocrystalline silicon is generated
Strain makes directly to be diffused in strain resistor above and generates and obtains accordingly to by the directly proportional variation of measuring pressure, then by bridge circuit
Voltage output signal, circuit is as shown in figure 18.
It is worth noting that being provided with one-chip computer module, flow algorithms module and display panel module in flow indication screen 45.
Specifically, one-chip computer module is used to be converted into identifiable digital signal to the analog signal of weight acquisition module,
One-chip computer module in the present embodiment uses the model STC12C5410AD's of Shenzhen Ying Ruien Science and Technology Ltd. production
Single-chip microcontroller, support circuit can also be provided by the producer, in addition to this, the present invention in be related to circuit and electronic component and
Module is the prior art, and those skilled in the art may be implemented completely, is not necessarily to superfluous words, and the content that the present invention protects also does not relate to
And the improvement for software and method.
Specifically, the weight figure signal that flow algorithms module is used to acquire by Weight acquisition module is converted into flow letter
Breath, the formula of flow algorithms module are as follows:
In formula, V is the flow of trickle, and it is the density of trickle that M, which is the quality of liquid outflow,.
In the present embodiment, the flow that display panel module is used to flow out liquid carries out digital display, the display screen in the present embodiment
Module uses the model LCD1602 liquid crystal display of Shenzhen Jing Huidi Electronics Co., Ltd. production, and support circuit can also
It is provided by the producer, in addition to this, circuit and electronic component and module are related in the present invention is the prior art, this
Field technical staff may be implemented completely, be not necessarily to superfluous words, and the content that the present invention protects is not related to changing for software and method yet
Into display panel module and one-chip computer module circuit connection diagram are as shown in figure 19, and the single-chip microcomputer output of STC12C5410AD passes through
Control circuit A is connected with LCD1602 liquid crystal display, and control circuit A includes 1602 liquid crystal registers, and 1602 liquid crystal registers
On third pin be grounded by 10K potentiometer R1, the 15th pin connects power supply by 1K resistance R2, data-/ command selection end
RS is electrically connected with 35 output interface of single-chip microcontroller, and enable end EN is connect with 35 output interface of single-chip microcontroller, enables flow indication screen 45
The data on flows for enough showing liquid detects accurate liquid and enters amount.
Solution blood purification in the present embodiment draws the unsmooth automation equipment of blood when carrying out liquid outflow amount monitoring, raw
Reason bag of saline is placed on the weighing plate 441 of placing frame 43, and the weight of normal saline bag is detected by Weight acquisition module, is passed through
One-chip computer module is converted into identifiable digital signal to the analog signal of weight acquisition module, passes through flow algorithms module counterweight
The weight figure signal of amount acquisition module acquisition is converted into flow information, is carried out by display panel module to the flow that liquid flows out
Digital display.
On the other hand, the present invention also provides a kind of solution blood purifications to draw the operating procedure of the unsmooth automation equipment of blood,
Draw the unsmooth automation equipment of blood including solution blood purification described in above-mentioned any one, specific steps are as follows:
S1, installation: blood adapter tube 24, apparatus for purifying blood adapter tube 25 and valve pipe fitting 26 will be drawn and be screwed into respectively to being in charge of 22
On, it blood vessel road will be drawn accesses to and draw on blood adapter tube 24, the access of apparatus for purifying blood adapter tube 25 solves blood purification, and to draw blood unsmooth
In automation equipment, and the intubation of valve pipe fitting 26 28 is inserted into normal saline bag；
S2, pressure monitor: by data acquisition module for acquiring 21 internal pressure value of connecting tube, by A/D modulus of conversion
Block carries out digital conversion to the pressure signal of data collecting module collected, is exported by data processing module to A/D conversion module
Frequency signal carry out data processing, atmospheric pressure value is calculated by the relationship between frequency and air pressure, passes through data disaply moudle
Digital display is carried out to the pressure signal of detection, by threshold setting module for setting pressure threshold, when a threshold is exceeded, by different
Normal alarm modules issue alarm, meanwhile, by the electromagnetic valve work in solenoid valve control module control valve pipe fitting 26, by physiology
Salt water injects in connecting tube 21, guarantees suitable blood flow, improves continuous blood purification effect；
S3, discharge amount of liquid are shown: being detected the weight of normal saline bag by Weight acquisition module, passed through one-chip computer module
Identifiable digital signal is converted into the analog signal of weight acquisition module, by flow algorithms module to weight acquisition module
The weight figure signal of acquisition is converted into flow information, carries out digital display to the flow that liquid flows out by display panel module.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (10)
1. a kind of solution blood purification draws the unsmooth automation equipment of blood, including mounting plate (1), it is mounted on the mounting plate (1)
The three-way device (2) of side and the physiological saline apparatus for placing (4) being arranged at the top of the three-way device (2), feature exists
In: the three-way device (2) includes connecting tube (21), and there are three the outer wall settings of the connecting tube (21) is in charge of (22), described
The outer wall for being in charge of (22) is provided with external screw thread (23), is respectively arranged at left and right sides of the connecting tube (21) and is drawn blood adapter tube (24)
(25) are taken over apparatus for purifying blood, are provided with valve pipe fitting (26) at the top of the connecting tube (21), it is described to draw blood adapter tube
(24), the inner wall of the apparatus for purifying blood adapter tube (25) and the valve pipe fitting (26) is respectively arranged with internal screw thread (27), institute
It states and is provided at the top of valve pipe fitting (26) intubation (28), the back side of the connecting tube (21) is equipped with sliding block (29) and the cunning
Block (29) outer wall offers location hole (210).
2. solution blood purification according to claim 1 draws the unsmooth automation equipment of blood, it is characterised in that: the outer spiral shell
Line (23) and the internal screw thread (27) are threadedly coupled.
3. solution blood purification according to claim 1 draws the unsmooth automation equipment of blood, it is characterised in that: the intubation
(28) it is communicated with the valve pipe fitting (26).
4. solution blood purification according to claim 1 draws the unsmooth automation equipment of blood, it is characterised in that: the installation
The upper and lower ends of plate (1) are respectively arranged with mounting screw (11), and the outer surface of the mounting plate (1) offers straight
(12), the side wall of the mounting plate (1) offers side chute (13), and the inside of the side chute (13) offers inside groove (14),
The mounting plate (1) is provided with locking device (3) close to the side chute (13) side, and the locking device (3) includes setting
The positioning ring (31) for having the side chute (13) internal, the outer wall of the positioning ring (31) are provided with traveller (32), the positioning
Ring (31) is internally provided with stud (33).
5. solution blood purification according to claim 4 draws the unsmooth automation equipment of blood, it is characterised in that: the traveller
(32) it is slidably matched with the inside groove (14).
6. solution blood purification according to claim 4 draws the unsmooth automation equipment of blood, it is characterised in that: the positioning
Ring (31) and the side chute (13) are slidably matched.
7. solution blood purification according to claim 1 draws the unsmooth automation equipment of blood, it is characterised in that: the physiology
Salt water apparatus for placing (4) includes the clamping plate (41) for being clamped in the mounting plate (1) side, the upper and lower ends point of the clamping plate (41)
It is not equipped with positioning bolt (42), the side of the clamping plate (41) is provided with placing frame (43), the bottom of the placing frame (43)
It is provided with bottom plate (44), the side of the clamping plate (41) is provided with flow indication screen (45), and the bottom plate (44) includes weighing plate
(441), the two sides of the weighing plate (441) are respectively arranged with side plate (442), and the center of the weighing plate (441) opens up
There are through-hole (443).
8. solution blood purification according to claim 7 draws the unsmooth automation equipment of blood, it is characterised in that: the clamping plate
(41) it is slidably matched with the mounting plate (1).
9. solution blood purification according to claim 7 draws the unsmooth automation equipment of blood, it is characterised in that: the side plate
(442) it is closely bonded with the placing frame (43).
10. a kind of blood purification that solves draws the operating procedure of the unsmooth automation equipment of blood, including in claim 1-9 it is any one
Solution blood purification described in draws the unsmooth automation equipment of blood, it is characterised in that: specific steps are as follows:
S1, installation: blood adapter tube (24), apparatus for purifying blood adapter tube (25) and valve pipe fitting (26) will be drawn and be screwed into respectively to being in charge of
(22) on, will draw blood vessel road access to draw blood adapter tube (24) on, apparatus for purifying blood adapter tube (25) access solve blood purification draw
In the unsmooth automation equipment of blood, and the intubation of valve pipe fitting (26) (28) are inserted into normal saline bag；
S2, pressure monitor: by data acquisition module for acquiring connecting tube (21) internal pressure value, by A/D conversion module
Digital conversion is carried out to the pressure signal of data collecting module collected, A/D conversion module is exported by data processing module
Frequency signal carries out data processing, calculates atmospheric pressure value by the relationship between frequency and air pressure, passes through data disaply moudle pair
The pressure signal of detection carries out digital display, by threshold setting module for setting pressure threshold, when a threshold is exceeded, passes through exception
Alarm modules issue alarm, meanwhile, by the electromagnetic valve work in solenoid valve control module control valve pipe fitting (26), by physiology
Salt water injects in connecting tube (21), guarantees suitable blood flow, improves continuous blood purification effect；
S3, discharge amount of liquid are shown: being detected the weight of normal saline bag by Weight acquisition module, passed through one-chip computer module counterweight
The analog signal of amount acquisition module is converted into identifiable digital signal, is acquired by flow algorithms module to weight acquisition module
Weight figure signal be converted into flow information, the flow flowed out by display panel module to liquid carries out digital display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148818.0A CN109793955A (en) | 2019-02-28 | 2019-02-28 | A kind of solution blood purification draws the unsmooth automation equipment of blood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148818.0A CN109793955A (en) | 2019-02-28 | 2019-02-28 | A kind of solution blood purification draws the unsmooth automation equipment of blood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109793955A true CN109793955A (en) | 2019-05-24 |
Family
ID=66561442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910148818.0A Pending CN109793955A (en) | 2019-02-28 | 2019-02-28 | A kind of solution blood purification draws the unsmooth automation equipment of blood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109793955A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111840672A (en) * | 2020-07-29 | 2020-10-30 | 中国人民解放军海军军医大学第一附属医院 | Maxillofacial postoperative drainage system |
| CN112274713A (en) * | 2019-07-25 | 2021-01-29 | 西安交通大学医学院第一附属医院 | Device capable of effectively improving unsmooth blood purification and blood leading |
-
2019
- 2019-02-28 CN CN201910148818.0A patent/CN109793955A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274713A (en) * | 2019-07-25 | 2021-01-29 | 西安交通大学医学院第一附属医院 | Device capable of effectively improving unsmooth blood purification and blood leading |
| CN111840672A (en) * | 2020-07-29 | 2020-10-30 | 中国人民解放军海军军医大学第一附属医院 | Maxillofacial postoperative drainage system |
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