CN109363736A - Configure the integrated cavity mirror system of central control module - Google Patents
Configure the integrated cavity mirror system of central control module Download PDFInfo
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- CN109363736A CN109363736A CN201811049130.9A CN201811049130A CN109363736A CN 109363736 A CN109363736 A CN 109363736A CN 201811049130 A CN201811049130 A CN 201811049130A CN 109363736 A CN109363736 A CN 109363736A
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- central control
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- control unit
- throughput
- air pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/045—Control thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
Abstract
The present invention provides a kind of integrated cavity mirror system for configuring central control module, which includes multiple functional modules and central control unit；Multiple functional modules include pneumoperitoneum instrument, human-computer interaction screen, cold light source and video camera, pneumoperitoneum instrument includes proportional control valve, switch electromagnetic valve, mass-air-flow sensor, baroceptor and gas bleeder valve, central control unit is for obtaining throughput parameter and pneumatic parameter, when pneumatic parameter is less than preset first pneumatic parameter, according to throughput parameter and preset Standard Gases flow parameter output pwm signal, pwm signal is adjusted the throughput parameter in supply air line with realizing for the switch time ratio of control valve to be adjusted；It is also used to close proportional control valve and switch electromagnetic valve when pneumatic parameter is greater than or equal to the first pneumatic parameter；It is also used to open gas bleeder valve when pneumatic parameter is greater than or equal to the second pneumatic parameter；The present invention can be improved visual effects.
Description
Technical field
The present invention relates to cavity mirror system technical fields, and in particular to a kind of integrated hysteroscope system for configuring central control module
System.
Background technique
In Minimally Invasive Surgery, the body cavity of patient with operation is expanded by injection CO2 gas, provides ideal for endoscopic surgery
Video condition and enough operative spaces.Traditional method of CO2 gas injection is to carry out adjusting gas flow using switch valve
And the air pressure of control cavity, main operational principle is: the air pressure in abdominal cavity is acquired, by the atmospheric pressure value of acquisition and pre-set value
It is compared, if it is greater than predetermined value, is shut off switch valve, if it is less than predetermined value, just open switch valve, to reach control
The purpose of flow and pressure.
In the state that abdominal pressure reaches balance, shake, therefore meeting can be all generated in the moment that switch valve is opened and is closed
Seriously affect the visual effects in operation.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides it is a kind of configure central control module integrated cavity mirror system,
It can be improved visual effects.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
The present invention provides a kind of integrated cavity mirror system for configuring central control module, including multiple functional modules and control
Make the central control unit of the multiple functional module work；The multiple functional module includes the pneumoperitoneum for inflating to cavity
Instrument, human-computer interaction screen, cold light source and video camera, the pneumoperitoneum instrument, the human-computer interaction screen, the cold light source and the video camera
It is connected to the central control unit；The cold light source and the video camera are all connected with endoscope optical；The cold light source is
The endoscope optical provides light source；The collected optical signal of the endoscope optical is converted to video by the video camera, and
The video is sent to the human-computer interaction screen and carries out the displaying of hysteroscope video；Wherein:
The pneumoperitoneum instrument includes proportional control valve, switch electromagnetic valve, mass-air-flow sensor, baroceptor and gas bleeder valve,
Wherein: the proportional control valve, the switch electromagnetic valve, the mass-air-flow sensor, the baroceptor and it is described lose heart
Valve is arranged on supply air line, and is connect with the central control unit；The supply air line is the pneumoperitoneum instrument to patient
The pipeline of body cavity input gas；The mass-air-flow sensor is used to detect the throughput parameter of the supply air line；The air pressure
Sensor is used to detect the pneumatic parameter of the supply air line；
The central control unit is small in the pneumatic parameter for obtaining the throughput parameter and the pneumatic parameter
When preset first pneumatic parameter, according to the throughput parameter and preset Standard Gases flow parameter output pwm signal, institute
Pwm signal is stated for the switch time ratio of the control valve to be adjusted, to realize to the air-flow in the supply air line
Amount parameter is adjusted；It is also used to close the ratio when the pneumatic parameter is greater than or equal to first pneumatic parameter
Control valve and the switch electromagnetic valve；It is also used to open and lose heart when the pneumatic parameter is greater than or equal to the second pneumatic parameter
Valve；Wherein, second pneumatic parameter is greater than first pneumatic parameter.
(3) beneficial effect
The embodiment of the invention provides a kind of integrated cavity mirror systems for configuring central control module, are arranged in pneumoperitoneum instrument
Proportional control valve, and realize that the switch proportional time of comparative example control valve carries out using PWM algorithm by central control unit
It adjusts, to realize the fine tuning to throughput parameter in supply air line, and then realizes the fine tuning to air pressure, that is, pass through no ladder tune
The gas flow in supply air line is saved, and then realizes and pneumoperitoneum pressure precisely and is smoothly adjusted, solves switch valve opening and closing
Air pressure instantaneous variation brought by moment, video shake temperature, improve image quality.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 shows the structural representation that the integrated cavity mirror system of central control module is configured in one embodiment of the invention
Figure.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The present invention provides a kind of integrated cavity mirror system for configuring central control module, as shown in Figure 1, integrated hysteroscope system
System includes the central control unit of multiple functional modules and the multiple functional module work of control；The multiple functional module
Including pneumoperitoneum instrument, human-computer interaction screen, cold light source and the video camera for being inflated to cavity, the pneumoperitoneum instrument, the human-computer interaction
Screen, the cold light source and the video camera are connected to the central control unit；The cold light source and the video camera connect
Connect endoscope optical；The cold light source provides light source for the endoscope optical；The video camera adopts the endoscope optical
The optical signal collected is converted to video, and the video is sent to the human-computer interaction screen and carries out the displaying of hysteroscope video；Wherein:
The pneumoperitoneum instrument includes proportional control valve, switch electromagnetic valve, mass-air-flow sensor, baroceptor and gas bleeder valve,
Wherein: the proportional control valve, the switch electromagnetic valve, the mass-air-flow sensor, the baroceptor and it is described lose heart
Valve is arranged on supply air line, and is connect with the central control unit；The supply air line is the pneumoperitoneum instrument to patient
The pipeline of body cavity input gas；The mass-air-flow sensor is used to detect the throughput parameter of the supply air line；The air pressure
Sensor is used to detect the pneumatic parameter of the supply air line；
The central control unit is small in the pneumatic parameter for obtaining the throughput parameter and the pneumatic parameter
When preset first pneumatic parameter, according to the throughput parameter and preset Standard Gases flow parameter output pwm signal, institute
Pwm signal is stated for the switch time ratio of the control valve to be adjusted, to realize to the air-flow in the supply air line
Amount parameter is adjusted；It is also used to close the ratio when the pneumatic parameter is greater than or equal to first pneumatic parameter
Control valve and the switch electromagnetic valve；It is also used to open and lose heart when the pneumatic parameter is greater than or equal to the second pneumatic parameter
Valve；Wherein, second pneumatic parameter is greater than first pneumatic parameter.
It will be appreciated that above-mentioned central control unit is properly termed as CCU, 32 single-chip microcontrollers can be used, are applicable in from invasive
Communication criterion, central control unit as host, each functional module as slave, central control unit can by 485 interfaces,
485 hubs are communicated with pneumoperitoneum instrument, cold light source, video camera and human-computer interaction screen, central control unit specifically can by pneumoperitoneum instrument,
The running state information of the functional modules such as cold light source, endoscope is integrated and is packaged, and is sent to human-computer interaction screen, and be shown in
Relevant information (for example, video) can also be sent to the end PC by DVI communication interface by human-computer interaction screen, central control unit
(for example, Demonstration Classroom, meeting room).
Wherein, communication specification, that is, communication protocol, using RTU mode, data frame structure are as follows: frame head (1 byte), address (1
A byte), data length (1 byte), instruction (1 byte), data (N number of byte), CRC check (2 bytes) composition (refer to
Enable and all being sent with hexadecimal), it is specified that the various command formats of host, the response format of slave, the address of slave, host
Broadcasting format.
Each functional module and central control unit carry out the control of each functional module below as described below:
(1) it is directed to above-mentioned pneumoperitoneum instrument
It will be appreciated that supply air line is referred to as output pipe, i.e., out of pneumoperitoneum instrument output gas to patient's body lumen
Gas piping.
It will be appreciated that gas here can be carbon dioxide gas.
It will be appreciated that pneumatic parameter is pressure, throughput parameter is gas velocity.
It will be appreciated that proportional control valve, switch electromagnetic valve, gas bleeder valve are arranged on supply air line, controlled with center
Unit connection processed, and can be connect by metal-oxide-semiconductor with central control unit.
It will be appreciated that central control unit is controlled using PWM algorithm by metal-oxide-semiconductor comparative example control valve,
Specifically: the mark of throughput parameter (for example, air velocity) and setting that central control unit detects mass-air-flow sensor
Quasi- throughput parameter is compared, if throughput parameter is less than the Standard Gases flow parameter, increases accounting for for the pwm signal of output
Empty ratio, to increase the pulse width of output end air-flow, to increase output gas flow；And if throughput parameter is greater than the Standard Gases
Flow parameter, then reduce the duty ratio of the pwm signal of output, to reduce the pulse width of output end air-flow, to reduce defeated
Air-flow out.As it can be seen that being carried out by the air-flow that supply air line output end may be implemented in the PWM algorithm that central control unit uses micro-
It adjusts, to be maintained near preset Standard Gases flow parameter.
Here, corresponding pwm signal is exported to metal-oxide-semiconductor according to comparison result, opening for proportional control valve is controlled by metal-oxide-semiconductor
Logical and closing, and then the switch time ratio of proportional control valve is controlled, so that the gas in supply air line passes through ratio control
A series of equal high-frequency impulse air-flow of amplitudes is obtained after valve processed, i.e. realization " exhale-stop " formula gas supply.Within the regular hour, this
The tolerance of a little high-frequency impulse air-flows is equivalent to the tolerance of conventional switch mode one switch bout, so can be realized air-flow in this way
The accurate control and gas transmission of amount are steady.Here, the switch time ratio of comparative example control valve is adjusted, and may be implemented to pulse
The width of air-flow is adjusted, and then changes the air-flow size of supply air line output end.
It will be appreciated that the air-flow size of supply air line output end is adjusted by using PWM algorithm realization, in turn
The pressure of the output gas of supply air line is adjusted in realization, right since PWM algorithm is accomplished that the fine tuning to flow
The adjusting of output gas pressure is also fine tuning.In practical applications, the pneumatic parameter detected in baroceptor is (for example, pressure
In the case where being less than preset first pneumatic parameter by force), the adjusting of gas pressure can be realized indirectly using above-mentioned PWM algorithm.
It is possible that the pneumatic parameter (for example, pressure) that baroceptor detects occur exceeds or reaches preset first air pressure ginseng
Several situations, such situation are possible as the failure of pneumoperitoneum instrument a part and lead to not carry out by above-mentioned PWM algorithm
The air pressure of output gas is adjusted in the mode of fine tuning, can close proportional control valve and switch electromagnetic valve at this time, that is, stop
The output of supply air line, until the pneumatic parameter that baroceptor detects is again less than the first pneumatic parameter.
But when appearance can not reduce supply air line air pressure by way of closing proportional control valve and switch electromagnetic valve
The case where when, in order to avoid leading to the generation of dangerous situation because crossing hyperbar, gas bleeder valve can also be set in pneumoperitoneum instrument, let out
Air valve can be set on supply air line, and connect with central control unit, when central control unit determines that baroceptor is examined
When the pneumatic parameter measured is greater than or equal to the second pneumatic parameter, then gas bleeder valve is opened, starts to lose heart, until in supply air line
Air pressure is under the first pneumatic parameter.
It will be appreciated that the second pneumatic parameter is greater than the first pneumatic parameter.For example, the first pneumatic parameter is a setting value,
Second pneumatic parameter is the setting value+10mmHg, but under normal circumstances, the second pneumatic parameter is no more than 30mmHg.Work as gas
When the pneumatic parameter that pressure sensor detects is greater than or equal to the first pneumatic parameter, proportional control valve and switching control pilot are closed.
When the pneumatic parameter that baroceptor detects is greater than or equal to the second pneumatic parameter, then proportional control valve and switch are being closed
On the basis of control valve, gas bleeder valve is opened.
Certainly, proportional control valve and switch electromagnetic valve can be simultaneously closed off when being not required to gas supply, prevents proportional control valve
Inside appearance machinery is stuck, is not closed completely and leaks, and realizes the double protection to supply air line.
In practical applications, the baroceptor of the input gas atmosphere for detecting carbon dioxide tank can also be set,
To monitor the gas flow in carbon dioxide tank, alarm is issued when it is lower than particular value, reminds medical staff.
Metal-oxide-semiconductor is passed through using PWM algorithm due to being provided with proportional control valve in pneumoperitoneum instrument, and by central control unit
Realize that the switch proportional time of comparative example control valve is adjusted, thus realize the fine tuning to throughput parameter in supply air line,
And then fine tuning of the realization to air pressure, i.e., the gas flow in supply air line is adjusted by no ladder, and then realize to pneumoperitoneum pressure
It precisely and smoothly adjusts, solves air pressure instantaneous variation brought by the moment of switch valve opening and closing, video shake temperature, improve
Image quality.
(2) cold light source includes: light source module group, constant current plate and radiator, in which:
The light source module group includes LED bulb, light collecting barrel and light guide bundles；
The constant current plate and the radiator are connected to the central control unit, and the central control unit is for adopting
The constant current plate is controlled with pid algorithm, deviation adjusting is carried out to the output electric current of the light source module group, and monitor the light in real time
The light-source temperature of source mould group, and drive the radiator to radiate when light-source temperature is increased to certain value.
It will be appreciated that the light that light collecting barrel and light guide bundles can generate LED bulb is handled, so that the light of output is more
Add and satisfies the use demand.
It will be appreciated that guaranteeing that constant current plate can be quick since central control unit is using pid algorithm control output electric current
Deviation is adjusted, maintain the stability of constant current output.
It will be appreciated that since central control unit monitors light-source temperature in real time, when light-source temperature is increased to certain value
Radiator can be driven to reduce light heat, the light in Minimally Invasive Surgery is avoided and be radiated near wound and cause interior for a long time
The case where portion's tissue burn, occurs.
(3) video camera includes CCD camera and camera shooting mainboard, in which:
The CCD camera is used to the collected optical signal of the endoscope optical institute being converted to electric signal, described to take the photograph
As mainboard is used to the electric signal being converted to video, video is then sent to human-computer interaction screen and is shown.
(4) human-computer interaction screen is referred to as monitor, can also show the function such as endoscope optical, pneumoperitoneum instrument, cold light source
Can module working condition, in this case, the central control unit is also used to the pneumoperitoneum instrument, the cold light source and described
The running state information of endoscope optical is integrated and is transmitted to being shown on the human-computer interaction screen.
Certainly, human-computer interaction screen can also have the input interface of the manipulation information of pneumoperitoneum instrument, cold light source, for medical staff
Pneumoperitoneum instrument, cold light source manipulation information are inputted.
It will be appreciated that each functional module becomes one, integration is realized, such as be integrated in cabinet, formed just
In the minimally invasive hysteroscope equipment of the intelligence of carrying and there is hysteroscope video processing function.Since the minimally invasive hysteroscope equipment of intelligence uses integral type
Structure, occupied area is small, mobile easy to carry, good compatibility, the Minimally Invasive Surgery that can be used under various environment.
In some embodiments, as described in Figure 1, the integrated cavity mirror system further include:
Storage unit connects the central control unit, for storing the corresponding data set of multiple age brackets；
It is corresponding, the multiple age bracket options of human-computer interaction screen display, and the human-computer interaction screen is also used to examining
When measuring any option in the multiple age bracket option and being selected, trigger signal is sent to the central control unit；
The central control unit is also used to when receiving the trigger signal, according to the option selected corresponding year
Data set corresponding to age section, determines the air pressure recommendation and throughput recommendation for being directed to the age bracket, and the air pressure is pushed away
It recommends value and the throughput recommendation is shown on the human-computer interaction screen.
In practical applications, all age group may include: newborn, children, adult, the elderly etc..
It in practical applications, may include a plurality of record content in the data set of each age bracket, every record content can be with
Including air pressure, throughput, the access times under the gentle flow set of the air pressure, abdominal cavity Pressure Inflation to specified air pressure threshold value model
Average time used and this record within the scope of gas mean temperature, abdominal cavity Pressure Inflation to specified air pressure threshold value when enclosing interior
The timestamp of content.For example, { p:8, s:20, ts:20, c:20, t:480, st:1528969758 }.Wherein, p is pressure, and s is
Throughput, ts are access times, and c is gas mean temperature, and t is the average time used, and st is timestamp.
It will be appreciated that medical staff can select any of multiple age bracket options to select on human-computer interaction screen
, central control unit is extracted from storage unit by the corresponding data set of selection option, and then calculates throughput recommendation
With air pressure recommendation, and two recommendations are shown on human-computer interaction screen, for medical staff's reference, for example, according to air pressure
Above-mentioned first pneumatic parameter and/or the second pneumatic parameter is arranged in recommendation, and above-mentioned standard air-flow is arranged according to throughput recommendation
Measure parameter.
Here, for each age bracket, corresponding throughput recommendation and air pressure recommendation can be all calculated, thus
When calculating recommendation, it is contemplated that this feature of the difference of different age group, so that recommendation more has reference value.
Gas temperature on average in above-mentioned data set is depending on the temperature that repeated detection arrives, it is therefore desirable to setting temperature
Sensor is spent, temperature sensor can be set on the supply air line, connect with the central control unit, for detecting
State the gas temperature in supply air line.
Wherein, central control unit can determine that the air pressure recommendation and the throughput are recommended using following steps
Value:
A1, the suitable score value that every record content is calculated using the first formula, first formula include:
In formula, g is to be suitble to score value, a1、a2And a3For weighted value, tsmaxFor access times in a plurality of record content
Maximum value, tmaxFor time used average in a plurality of record content maximum value, c is to record abdominal cavity in content in this
Gas mean temperature when within the scope of Pressure Inflation to specified air pressure threshold value, t are to record abdominal cavity Pressure Inflation in content in this
The average time used within the scope of to specified air pressure threshold value, ts is to record the access times in content in this.
Wherein, the central control unit can specifically calculate the weighted value in first formula according to third formula
a1, the third formula includes:
a1(t)=a0e-25(t-1)
In formula, t is all numbers in the case where being chronomere with week where the timestamp of current record content, timestamp
Closer, all numbers at place are smaller.
For example, if the timestamp of current record content within nearest one week, t 1；If the time of current record content
Stamp is within nearest two weeks, then t is 2.
Wherein, three weighted value a1、a2And a3And be 1, i.e. a1+a2+a3=1.
A2, using the air pressure in record content corresponding to the maximum value in obtained multiple suitable score values as the gas
Press recommendation and using the throughput in the corresponding record content of the maximum value as throughput recommendation.
It will be appreciated that the more proof air pressures of access times and the combination of throughput are better in record content, it is average
Temperature is better closer to body temperature, and the shorter inflate the time used the better, integrates, g value is higher, it was demonstrated that corresponding air pressure and
The combination of throughput is more suitable for patient, thus here using maximum g value it is corresponding record content in air pressure as
Air pressure recommendation, using the throughput in the corresponding record content of maximum g value as throughput recommendation.
In some embodiments, central control unit can also carry out the record content in the data set in storage unit
It updates or deletes, to guarantee the data validity of data set.
Wherein, the process that central control unit is updated the data set in storage unit includes:
The pneumoperitoneum instrument in use, first time abdominal cavity air pressure and default pressure difference in specified threshold
When maintaining preset duration, to current gas pressure, current throughput, current gas temperatures, this abdominal cavity Pressure Inflation to specified air pressure
Time used and timestamp in threshold range are recorded；If in current record content including the current gas pressure and described
The record of current throughput, then add 1 to corresponding access times, and be updated to timestamp, is calculated more using the second formula
Average time used and gas mean temperature, second formula after new includes:
In formula, n is updated average time used or updated gas mean temperature, and o is being averaged before updating
Gas mean temperature before time used or update, ts are access times before this update, and r is this abdominal cavity Pressure Inflation
Time used or the current gas temperatures within the scope of to specified air pressure threshold value.
For example, the gas mean temperature at first 10 times is 37.2 DEG C, this gas temperature is 37.1 DEG C, then new gas
Mean temperature is n=(37.2*9+37.1)/10.
Certainly, if not having current record content in storage unit, current record content is added in data set,
And access times are 1.
Here, the update to access times is realized to the mode of access times plus 1, when replacing old using new timestamp
Between the mode stabbed realize the update to timestamp, it is real by way of the old average time used is replaced the new average time used
Now to the update of time averagely used, old gas mean temperature is replaced by new gas mean temperature, realization pair
The update of gas mean temperature.
Wherein, the process that central control unit deletes the record content in data set in storage unit can wrap
It includes: if the item number of the corresponding data centralized recording content of each age bracket of storage unit storage is greater than preset maximum item
Number, then by the least note of access times in the record content of the smallest default number of branches of timestamp in the corresponding data set of the age bracket
Content is recorded to delete.
That is, after the item number of the record content in the corresponding data set of some age bracket is greater than certain item number,
Just the smallest record content of access times in the smallest a certain number of record contents of timestamp is deleted, it in this way can be by the time
The smallest record content of earliest and access times is deleted.
In the conventional technology, in pneumoperitoneum instrument use process, medical staff needs that experience is combined to carry out pressure and throughput
Setting and, be difficult in view of temperature and inflationtime the two factors, and here according in historical data in patient's gas replenishment process
Gas temperature, inflationtime, pressure, throughput and access times group be combined into medical staff suitable pressure and air-flow be provided
The combination of amount.
Integration cavity mirror system provided by the invention is provided with proportional control valve in pneumoperitoneum instrument, and passes through center control
Unit realizes that the switch proportional time of comparative example control valve is adjusted using PWM algorithm, to realize to gas in supply air line
The fine tuning of flow parameter, and then realize the fine tuning to air pressure, i.e., the gas flow amount in supply air line is adjusted by no ladder, into
And realize to pneumoperitoneum pressure precisely and smoothly adjust, solve switch valve opening and closing moment brought by air pressure instantaneous variation,
Video shakes temperature, improves image quality.
It will be appreciated that the central control module in above-mentioned central control unit, that is, topic.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. it is a kind of configure central control module integrated cavity mirror system, which is characterized in that it is described integration cavity mirror system include
Multiple functional modules and the central control unit of the multiple functional module work of control；The multiple functional module includes using
It is the pneumoperitoneum instrument, the human-computer interaction screen, described in pneumoperitoneum instrument, human-computer interaction screen, cold light source and the video camera inflated to cavity
Cold light source and the video camera are connected to the central control unit；The cold light source and the video camera are all connected in optics
Sight glass；The cold light source provides light source for the endoscope optical；The video camera is by the collected light of the endoscope optical
Signal is converted to video, and the video is sent to the human-computer interaction screen and carries out the displaying of hysteroscope video；Wherein:
The pneumoperitoneum instrument includes proportional control valve, switch electromagnetic valve, mass-air-flow sensor, baroceptor and gas bleeder valve, in which:
The proportional control valve, the switch electromagnetic valve, the mass-air-flow sensor, the baroceptor and the gas bleeder valve are all provided with
It sets on supply air line, and is connect with the central control unit；The supply air line is that the pneumoperitoneum instrument is defeated to patient's body lumen
Enter the pipeline of gas；The mass-air-flow sensor is used to detect the throughput parameter of the supply air line；The baroceptor
For detecting the pneumatic parameter of the supply air line；
The central control unit is less than pre- for obtaining the throughput parameter and the pneumatic parameter in the pneumatic parameter
If the first pneumatic parameter when, it is described according to the throughput parameter and preset Standard Gases flow parameter output pwm signal
Pwm signal is for being adjusted the switch time ratio of the control valve, to realize to the throughput in the supply air line
Parameter is adjusted；It is also used to close the ratio control when the pneumatic parameter is greater than or equal to first pneumatic parameter
Valve processed and the switch electromagnetic valve；It is also used to open gas bleeder valve when the pneumatic parameter is greater than or equal to the second pneumatic parameter；
Wherein, second pneumatic parameter is greater than first pneumatic parameter.
2. integration cavity mirror system according to claim 1, which is characterized in that the cold light source includes: light source module group, perseverance
Flowing plate and radiator, in which:
The light source module group includes LED bulb, light collecting barrel and light guide bundles；
The constant current plate and the radiator are connected to the central control unit, and the central control unit is for using
Pid algorithm controls the constant current plate and carries out deviation adjusting to the output electric current of the light source module group, monitors the light source die in real time
The light-source temperature of group, and drive the radiator to radiate when light-source temperature is increased to certain value.
3. it is according to claim 1 integration cavity mirror system, which is characterized in that the video camera include CCD camera and
Image mainboard, in which:
The CCD camera is used to the collected optical signal of the endoscope optical institute being converted to electric signal, the camera shooting master
Plate is used to the electric signal being converted to video, and the video is sent to the human-computer interaction screen and is shown.
4. integration cavity mirror system according to claim 1, which is characterized in that the central control unit is also used to pass through
The video is sent to the end PC and is shown by DVI communication interface；Alternatively, by the pneumoperitoneum instrument, the cold light source and described taking the photograph
The running state information of camera is integrated and is transmitted to being shown on the human-computer interaction screen；And/or it is described man-machine
Interaction screen is also used to show the input interface of the operation information of the pneumoperitoneum instrument and the cold light source.
5. integration cavity mirror system according to claim 1, which is characterized in that the integration cavity mirror system further include:
Storage unit connects the central control unit, for storing the corresponding data set of multiple age brackets；
It is corresponding, the multiple age bracket options of human-computer interaction screen display, and the human-computer interaction screen is also used to detecting
When any option in the multiple age bracket option is selected, trigger signal is sent to the central control unit；
The central control unit is also used to when receiving the trigger signal, according to the corresponding age bracket of the option selected
Corresponding data set determines the air pressure recommendation and throughput recommendation for being directed to the age bracket, and by the air pressure recommendation
It is shown on the human-computer interaction screen with the throughput recommendation.
6. integration cavity mirror system according to claim 5, which is characterized in that
The pneumoperitoneum instrument further include:
Temperature sensor is arranged on the supply air line, connect with the central control unit, for detecting the air supply pipe
Gas temperature in road；
The corresponding data set of all age group stored in the storage unit includes a plurality of record content, in every record
Hold includes air pressure, throughput, the access times under the gentle flow set of the air pressure, abdominal cavity Pressure Inflation to specified air pressure threshold value
Average time used and this note within the scope of gas mean temperature, abdominal cavity Pressure Inflation to specified air pressure threshold value when in range
Record the timestamp of content；
Corresponding, the central control unit is used to determine that the air pressure recommendation and the throughput are recommended using following steps
Value:
The suitable score value of every record content is calculated using the first formula, first formula includes:
In formula, g is to be suitble to score value, a1、a2And a3For weighted value, tsmaxIt is maximum for access times in a plurality of record content
Value, tmaxFor time used average in a plurality of record content maximum value, c is to record abdominal cavity air pressure in content in this
Gas mean temperature when being inflated within the scope of specified air pressure threshold value, t are to record abdominal cavity Pressure Inflation in content in this extremely to refer to
Determine the average time used within the scope of air pressure threshold value, ts is to record the access times in content in this；
Air pressure in record content corresponding to maximum value in obtained multiple suitable score values is recommended as the air pressure
It is worth and using the throughput in the corresponding record content of the maximum value as throughput recommendation.
7. integration cavity mirror system according to claim 6, which is characterized in that the central control unit is also used to institute
The data set stated in storage unit is updated, and is specifically included:
The pneumoperitoneum instrument in use, maintained in specified threshold in first time abdominal cavity air pressure and the difference of default pressure
When preset duration, to current gas pressure, current throughput, current gas temperatures, this abdominal cavity Pressure Inflation to specified air pressure threshold value
Time used and timestamp in range are recorded；
If in current record content including the record of the current gas pressure and the current throughput, to corresponding using secondary
Number plus 1, and timestamp is updated, updated average time used and gas mean temperature are calculated using the second formula,
Second formula includes:
In formula, n is updated average time used or updated gas mean temperature, and o is average used before updating
Gas mean temperature before time or update, ts are access times before this update, and r is that this abdominal cavity Pressure Inflation extremely refers to
Determine the time used or the current gas temperatures within the scope of air pressure threshold value.
8. integration cavity mirror system according to claim 7, which is characterized in that the central control unit is also used to institute
The record content stated in the data set in storage unit is deleted, and is specifically included:
If the item number of the corresponding data centralized recording content of each age bracket of the storage unit storage is greater than preset maximum
Item number, then by access times are least in the record content of the smallest default number of branches of timestamp in the corresponding data set of the age bracket
Content is recorded to delete.
9. integration cavity mirror system according to claim 6, which is characterized in that the central control unit is specifically used for root
The weighted value a in first formula is calculated according to third formula1, the third formula includes:
a1(t)=a0e-25(t-1)
In formula, t is all numbers in the case where being chronomere with week where the timestamp of current record content, and timestamp is got over
Closely, all numbers at place are smaller.
10. integration cavity mirror system according to claim 4, which is characterized in that the human-computer interaction screen is also used to show
The set interface of air pressure and throughput, for medical staff's manual setting.
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