CN109717937A - A kind of obstetrics' electric suction apparatus - Google Patents
A kind of obstetrics' electric suction apparatus Download PDFInfo
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- CN109717937A CN109717937A CN201910032758.6A CN201910032758A CN109717937A CN 109717937 A CN109717937 A CN 109717937A CN 201910032758 A CN201910032758 A CN 201910032758A CN 109717937 A CN109717937 A CN 109717937A
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- module
- negative pressure
- suction device
- relay
- obstetrics
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Abstract
The present invention relates to a kind of electronic suction devices of obstetrics, comprising: central processing module, power module, display panel module, key module, negative pressure generation module, pressure control module, sensor module, devil liquor recovery module；The central processing module connects the power module, the key module, the display panel module, the pressure control module and the sensor module；The negative pressure generation module is for generating negative pressure, and the sensor module is connected with the negative pressure generation module, for detecting negative pressure numerical value；The key module is connected with the negative pressure generation module, for controlling the work of the negative pressure generation module；The display panel module is for showing negative pressure numerical value.
Description
Technical field
The present invention relates to medical instruments field, specifically a kind of obstetrics' electric suction apparatus.
Background technique
Obstetrics' electric suction apparatus is that vacuum extractor is attached on fetal head using negative pressure, by traction, reaches assistance point
It gives birth to the purpose of fetus.In clinical position, obstetrician usually faces following situation: pregnancy associated with cardiac disease, the high blood of gestation
The complication such as syndrome, pulmonary tuberculosis, severe anemia or asthma are pressed, it should not be in breath-holding during labor person；Cesarean esction history or operation on uterus
History enhances, Yi Yinqi scar ripper in second stage of labor uterine contraction；Cervix opens complete slight fetal distress person；Duration pillow
Transverse presentation, persistent occipitoposterior position, blocked rotation in fetal head manually rotate the unsuccessful needs rotation person that involves fetal head；Because of uterine inertia
Etc. reasons, may or have occurred and that prolonged second stage of labor, be sometimes difficult to handle as obstetrician, it is proposed that Cesarean esction, but suffer from
Person disagrees with family members, and spontaneous labor, and highly difficult, and obstetrician have to select vacuum extractor midwifery, solve above-mentioned difficulty
Topic, to reduce cesarean delivery rate and reduce asphyxia neonatorum and neonatal complications.In recent years, since social factor makes to cut open palace
The opposite expansion of surgical indication is produced, sometimes difficult of delivery fetal head can cause asphyxia neonatorum, damage and uterine incision tearing etc. no in art
Good consequence.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a Novel fetus head suction units, multiple functional, are good for
Kang Weisheng, science it is practical, it is easy to use, obstetrics to puerpera carry out newborn deliver a child without it is smooth when can greatly reduce medical matters people
The work difficulty of member.
The invention proposes a kind of electronic suction devices of obstetrics, comprising: central processing module, power module, display screen mould
Block, key module, negative pressure generation module, pressure control module, sensor module, devil liquor recovery module；The central processing mould
Block connects the power module, the key module, the display panel module, the pressure control module and the sensor die
Block；The negative pressure generation module is for generating negative pressure, and the sensor module is connected with the negative pressure generation module, for detecting
Negative pressure numerical value；The key module is connected with the negative pressure generation module, for controlling the work of the negative pressure generation module；Institute
Display panel module is stated for showing negative pressure numerical value.
In the electronic suction device of the obstetrics proposed by the present invention, the negative pressure generation module includes the negative pressure being sequentially connected
Pump, frequency converter and electronic switch；The frequency converter is connected with the power module, and the electronic switch adjusts the frequency converter
Operating mode is to adjust the negative pressure numerical value of the negative pressure pump.
In the electronic suction device of the obstetrics proposed by the present invention, the devil liquor recovery module includes vial, three connects
One end connection suction port of mouth, the vial, the other end connect the three-way interface by transparent rubber hose.
In the electronic suction device of the obstetrics proposed by the present invention, the pressure control module includes key module；It is described
Key module is connect with the frequency converter, and the key of the key module setting includes forward/reverse, displacement, programming, upper arrow
Head, lower arrow, function, operation, stopping/reset, IN1~IN8 connect the I/O mouth of single-chip microcontroller, to realize the control to the frequency converter
System.
In the electronic suction device of the obstetrics proposed by the present invention, the pressure control module includes foot-operated；It is described foot-operated
Including a potentiometer, potentiometer one end ground connection, another termination+5V power supply；When forward direction rides described foot-operated, the negative pressure
Negative pressure is pumped to increase；When reversely riding described foot-operated, the negative pressure pump negative pressure reduces；It is described foot-operated when returning to home position, it is described
Pedal negative pressure returns to zero.
In the electronic suction device of the obstetrics proposed by the present invention, the pressure control module includes: solenoid valve and relay
Device；The solenoid valve is electrically connected with relay foundation, and the relay is connected with the central processing module.
In the electronic suction device of the obstetrics proposed by the present invention, the solenoid valve is Unidirectional solenoid valve, has anti-backflow
Effect, normally closed Direct Action Type connect 24V power supply, are connected with the NC of single channel relay mouth.
In the electronic suction device of the obstetrics proposed by the present invention, the relay is 24V relay module, and relay is defeated
Enter for Transistor-Transistor Logic level, the switch of relay is controlled, to realize the on-off of normally closed solenoid valve.
In the electronic suction device of the obstetrics proposed by the present invention, the gas passage mouth of the negative pressure pump nearby installs noise reduction
Device, for reducing noise.
In the electronic suction device of the obstetrics proposed by the present invention, the central processing module is also connected with buzzer；It is described
Buzzer implements warning reminding when pressure value exception.
Compared with prior art, the beneficial effects of the present invention are: by using single-chip microcontroller, B/P EGR Back Pressure Transducer EGR and single-chip microcontroller pair
The operating power of negative pressure pump and negative pressure etc. carry out real-time monitoring and display, instead of original experience sense by doctor or nurse
Feel, have the attraction of data directive significance to operate fetus.Also further exception is born using buzzer in the present invention
Numerical value is pressed to carry out warning note.
Detailed description of the invention
Fig. 1 is the novel obstetrics' electric suction apparatus schematic diagram of the present invention.
Fig. 2 is key schematic diagram of the present invention.
Fig. 3 is the display screen of the invention schematic diagram.
Fig. 4 is the foot-operated schematic diagram of the present invention.
Fig. 5 is circuit board functional block diagram of the present invention.
Specific embodiment
A kind of obstetrics' electric suction apparatus proposed by the present invention is described in more detail below in conjunction with schematic diagram, wherein
Illustrating the preferred embodiment of the present invention, it should be appreciated that those skilled in the art can modify invention described herein, and still
So realize advantageous effects of the invention.Therefore, following description should be understood as the widely known of those skilled in the art,
And it is not intended as limitation of the present invention.
As shown in Figure 1, obstetrics' electric suction apparatus is an electrically operated suction unit in the present embodiment, comprising: switch
Power supply 1, three-way interface 2, three-way connection 3, vial 4, solenoid valve 5, relay 6, display screen 7, B/P EGR Back Pressure Transducer EGR 8, three-phase electricity
Source 9, frequency converter 10, negative pressure pump 11, electronic switch 12, single-chip microcontroller 13, foot-operated 15；The vial 4 and the negative pressure pump 11 are logical
Piping carries out air circuit connection；Connected three-way interface 2 and three-way connection 3 are set on the pipeline, and the three-way interface 2 passes through
Pipeline and the solenoid valve 5 establish air circuit connection, and the solenoid valve 5 connects the single-chip microcontroller 13 by the relay 6；It is described
Switching Power Supply is electrically connected with the B/P EGR Back Pressure Transducer EGR 8, and the B/P EGR Back Pressure Transducer EGR 8 connects on the three-way connection 3；The negative pressure pump
11 are electrically connected with the frequency converter 10, and the frequency converter 10 connects three phase mains 9；The frequency converter 10 also with the electronic switch
Connection 12；The electronic switch 12 connects the single-chip microcontroller 13；The single-chip microcontroller 13 is also connected with the display screen 7 and described foot-operated
15, the display screen 7 is for showing the pressure value that the B/P EGR Back Pressure Transducer EGR 8 is detected.
Single-chip microcontroller 13 is using ATmega128A as core.Power module is responsible for system power supply, by city's electrotransformation of 220V
For required 24V and 5V, it is responsible for the on-off of solenoid valve, 5V is responsible for the power supply of single-chip microcontroller 13；Pressure control module is responsible in system
Negative pressure condition, for adjust negative pressure pump 11 pumping increase negative pressure value, and by solenoid valve 5 deflate reduce negative pressure value.This
Outside, 15 sizes that can also be used to control negative pressure by A/D conversion are ridden.
Display panel module be a display screen 7, display module can show electricity, the time, system negative pressure value size, when it is m-
The information such as negative pressure value histogram.The interface schematic diagram of display screen is shown in Fig. 3, and display screen 7 is to realize to communicate by serial ports, shows
RX terminates TX pin on single-chip microcontroller in display screen 7, RX pin on TX termination single-chip microcontroller on display screen.Before write-in program, to boundary
Face is edited, time showing, and pressure histogram shows that negative pressure value is shown.
It is then preferred that use key module for free-standing key system, by electronic switch realize to negative pressure pump startup,
The control stop, increasing negative pressure value, reducing the functions such as negative pressure value；
Sensor module is responsible for the negative pressure value size in detection system, and feeds back information to single-chip microcontroller 13, final result
It is shown on display screen 7.If B/P EGR Back Pressure Transducer EGR 8 detects that negative pressure value is excessive, it is real that buzzer 14 can be output a control signal in time
Alarm is applied, notifies medical staff to adjust vacuum magnitude, is damaged to prevent fetus head.Devil liquor recovery module is responsible for give a birth
The some liquid secretion things generated in journey are collected into secretion tank by three-way connection, and vial 4 passes through transparent with three-way connection
Rubber hose is connected, and negative pressure pump can make to secrete tank generation negative-pressure vacuum, and juice can be flowed back by hose, be collected into liquid
Tank.
Foot-operated 15 main component is potentiometer, and potentiometer one end ground connection, another termination+5V can be by controlling foot
15 are stepped on to adjust vacuum magnitude.When forward direction is foot-operated, negative pressure increases, and the voltage value of AD increases；Conversely, negative pressure subtracts when reversed foot-operated
The voltage value of small (letting out negative pressure), AD reduces；It rides after returning to home position, negative pressure also returns to zero.Fig. 4 is electric suction apparatus foot-operated 15
Schematic diagram, foot-operated 15 be it is a kind of step on or step on by foot come the switch of control circuit on-off, using in the impalpable control of both hands
To achieve the purpose that operation instead of both hands in circuit.Foot-operated 15 internal circuits are equivalent to a potentiometer, defeated in different positions
Corresponding voltage value out is connected to the PF0 pin of single-chip microcontroller by A D interface, realizes by the data processor write to negative
Press the adjusting of size.
The key module realizes the control to key by electronic switch.Key on frequency converter 10 have forward/reverse,
The I/O mouth of displacement, programming, upward arrow, lower arrow, function, operation, stopping/reset, single-chip microcontroller meets IN1~IN8, with realization pair
The control of frequency converter.Electric suction apparatus key connection schematic diagram, including panel-switch and the big mould of electronic switch two is shown in Fig. 2
Block.Have a panel-switch on frequency converter 10, six press keys be distributed in outer casing frontispiece, be respectively start, stop ,+,-,
Mod, max control the pressure pump in the present invention by 8 electronic switches, motor in the vacuum magnitude and pressure pump in system
Positive and negative rotation.
The single-chip microcontroller 13, can the letter of output control in time after the excessive signal of pressure for receiving the sending of B/P EGR Back Pressure Transducer EGR 8
Number to buzzer 14 implement alarm, notify medical staff adjust vacuum magnitude, damaged to prevent fetus head.
The circuit board functional block diagram of the electronic suction device of obstetrics of the present invention is shown in Fig. 5, and left side negative pressure pump is suction gas
Operational module, centre are control modules, including key and foot-operated, and right side is display module.The electronic suction device of obstetrics of the present invention
There are two types of operating modes, meet the needs of different objects, cope with various situations, when the indicator light in switch lights, in display screen
Centre shows current vacuum values.In addition, final vacuum values (default value=- 80kPa) are displayed on the upper right corner of display screen, accumulation
Time (default value=120 second) is shown in the upper left corner.
The first, fully automatic vacuum air-breathing mode.In this mode, the base vacuum for initially setting up -20kPa, reach -
After the base vacuum of 20kPa, starts automatic vacuum and gather and pass through alarm sounds.When reach final vacuum values (default value=-
When 80kPa), equipment can sound an alarm sound (long once takes a break).The time of display is 0 second, and last vacuum values are kept
It is constant.
Second, semi-automatic vacuum suction mode.In this mode, it is necessary to confirm semi-automatic vacuum using suction cup button
The beginning of air-breathing.After reaching -20kPa base vacuum, equipment waits suction cup button to be pressed.In this waiting time, can listen
It is flashed to prompt tone, while with LED green light.When pressing suction cup button, alarm tone stops and starts vacuum suction.When reaching
When target vacuum value (within the scope of -90kpa to 0kpa), equipment can sound an alarm sound (long once takes a break), display
Time is 0 second.After completing vacuum suction, suction cup (default value: 5 seconds) can be vented in a controlled manner within a preset time.
After suction cup is vented completely, equipment leaves corresponding menu.Suction cup button is pressed, vacuum can be established again automatically.True
During suction gas, press <button can postpone vacuum accumulation, the time instruction counter increase accordingly.Press > button can
To accelerate vacuum to gather, the time counter of instruction is accordingly reduced.After reaching target vacuum value, press <button can reduce it is negative
Pressure value, accelerates vacuum release, and the time counter of instruction is accordingly reduced；Press > button can be increased negative pressure value, delay vacuum is released
It puts, the time counter of instruction is increase accordingly.
The above is only a preferred embodiment of the present invention, does not play the role of any restrictions to the present invention.Belonging to any
Those skilled in the art, in the range of not departing from technical solution of the present invention, to the invention discloses technical solution and
Technology contents make the variation such as any type of equivalent replacement or modification, belong to the content without departing from technical solution of the present invention, still
Within belonging to the scope of protection of the present invention.
Claims (10)
1. a kind of electronic suction device of obstetrics characterized by comprising central processing module, power module, display panel module,
Key module, negative pressure generation module, pressure control module, sensor module, devil liquor recovery module；The central processing module connects
Connect the power module, the key module, the display panel module, the pressure control module and the sensor module；
For generating negative pressure, the sensor module is connected the negative pressure generation module with the negative pressure generation module, negative for detecting
Press numerical value；The key module is connected with the negative pressure generation module, for controlling the work of the negative pressure generation module；It is described
Display panel module is for showing negative pressure numerical value.
2. the electronic suction device of obstetrics according to claim 1, which is characterized in that the negative pressure generation module includes successively
Connected negative pressure pump (11), frequency converter (10) and electronic switch (12)；The frequency converter (10) is connected with the power module, institute
It states electronic switch (12) and adjusts the operating mode of the frequency converter (10) to adjust the negative pressure numerical value of the negative pressure pump (11).
3. the electronic suction device of obstetrics according to claim 1, which is characterized in that the devil liquor recovery module includes glass
Bottle (4), three-way interface (2), one end of the vial (4) connect suction port, and the other end connects institute by transparent rubber hose
State three-way interface (2).
4. the electronic suction device of obstetrics according to claim 2, which is characterized in that the pressure control module includes key
Module；The key module is connect with the frequency converter (10), and the key of the key module setting includes forward/reverse, moves
Position, programming, upward arrow, lower arrow, function, operation, stopping/reset, IN1~IN8 connect the I/O mouth of single-chip microcontroller, to realize to institute
State the control of frequency converter (10).
5. the electronic suction device of obstetrics according to claim 2, which is characterized in that the pressure control module includes foot-operated
(15)；Described foot-operated (15) include a potentiometer, potentiometer one end ground connection, another termination+5V power supply；The foot-operated institute of forward direction
When stating foot-operated (15), negative pressure pump (11) negative pressure increases；When reversely riding foot-operated (15), negative pressure pump (11) negative pressure
Reduce；When foot-operated (15) return to home position, described foot-operated (15) negative pressure is returned to zero.
6. the electronic suction device of obstetrics according to claim 2, which is characterized in that the pressure control module includes: electricity
Magnet valve (5) and relay (6)；The solenoid valve (5) and the relay (6) are established and are electrically connected, the relay (6) and described
Central processing module connection.
7. the electronic suction device of obstetrics according to claim 3, which is characterized in that the solenoid valve (5) is unidirectional electromagnetism
Valve, has anti-backflow effect, and normally closed Direct Action Type connects 24V power supply, is connected with the NC of single channel relay mouth.
8. the electronic suction device of obstetrics according to claim 3, which is characterized in that the relay (6) is 24V relay
Module, relay (6) input is Transistor-Transistor Logic level, the switch of relay is controlled, to realize the on-off of normally closed solenoid valve.
9. the electronic suction device of obstetrics according to claim 2, which is characterized in that the gas passage of the negative pressure pump (11)
Muffler is installed, for reducing noise near mouthful.
10. the electronic suction device of obstetrics according to claim 1, which is characterized in that the central processing module is also connected with
Buzzer (14)；The buzzer (14) implements warning reminding when pressure value exception.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032758.6A CN109717937A (en) | 2019-01-14 | 2019-01-14 | A kind of obstetrics' electric suction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032758.6A CN109717937A (en) | 2019-01-14 | 2019-01-14 | A kind of obstetrics' electric suction apparatus |
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| Publication Number | Publication Date |
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| CN109717937A true CN109717937A (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910032758.6A Pending CN109717937A (en) | 2019-01-14 | 2019-01-14 | A kind of obstetrics' electric suction apparatus |
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| CN207545186U (en) * | 2017-05-04 | 2018-06-29 | 姜科琴 | A kind of maternity midwifery device |
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|---|---|---|---|---|
| CN85202555U (en) * | 1985-06-22 | 1986-07-16 | 翟景春 | Medical pocket negative pressure inhaler |
| CN2114429U (en) * | 1992-02-20 | 1992-09-02 | 中国人民解放军第二○二医院 | Multi-function washing aspirator |
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Application publication date: 20190507 |