CN208799249U - A kind of bladder temperature, pressure dynamic monitor - Google Patents
A kind of bladder temperature, pressure dynamic monitor Download PDFInfo
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- CN208799249U CN208799249U CN201820698587.1U CN201820698587U CN208799249U CN 208799249 U CN208799249 U CN 208799249U CN 201820698587 U CN201820698587 U CN 201820698587U CN 208799249 U CN208799249 U CN 208799249U
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- monitoring
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- bladder
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- catheter
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Abstract
本实用新型公开了一种膀胱温度压力动态监测装置，包括监测导尿管，在监测导尿管一端部设置医用三通阀门，在监测导尿管另一端部设置温度容积监测器；温度容积监测器的信号输出端通过传输线连接至外部的动态监测控制端；医用三通阀门的一个通道与监测导尿管相连通，医用三通阀门的另两个通道分别连接医用压力表、尿袋连接软管，尿袋连接软管上设置有尿袋接头；监测导尿管前部外侧面设置有尿道括约肌压力监测器。本实用新型能够实现封闭监测导尿管、监测膀胱压力、连接尿袋导尿三种功能的快速切换；能够实现对膀胱的温度实时监测，能直接反应人体中心温度；能同时持续和间断监控膀胱压力、容积，反映患者腹腔内压，对病人情况的监测更精准。
The utility model discloses a bladder temperature and pressure dynamic monitoring device, comprising a monitoring catheter, a medical three-way valve is arranged at one end of the monitoring catheter, and a temperature volume monitor is arranged at the other end of the monitoring catheter; The signal output end of the device is connected to the external dynamic monitoring control end through the transmission line; one channel of the medical three-way valve is connected to the monitoring catheter, and the other two channels of the medical three-way valve are respectively connected to the medical pressure gauge and the urine bag connection soft A urine bag connector is arranged on the urine bag connecting hose; a urethral sphincter pressure monitor is arranged on the front outer side of the monitoring catheter. The utility model can realize the rapid switching of three functions of closing the monitoring catheter, monitoring the bladder pressure and connecting the urine bag for catheterization; it can realize the real-time monitoring of the temperature of the bladder, and can directly reflect the core temperature of the human body; it can continuously and intermittently monitor the bladder at the same time. The pressure and volume reflect the intra-abdominal pressure of the patient, and the monitoring of the patient's condition is more accurate.
Description
Technical field
The utility model belongs to medical monitoring equipment technical field, particularly relates to a kind of bladder temperature, pressure dynamic prison
Survey device.
Background technique
Urination is the complex reflex activity controlled by central nervous system.Urine is temporarily store after kidney generation through ureter
In bladder, storage to the process after a certain amount of, once excreted by urethra.Due to certain diseases, lead to Patient controlled
The central nervous system or peripheral nerve of urinary function be damaged caused by bladder urethral dysfunction be known as neurogenic
Bladder.The urinary incontinence or the retention of urine are one of its most common symptoms, the urinary complication thus induced, urinary tract damage as above and
The main reason for kidney failure etc. is death.
Treatment for the patient of bladder urethral dysfunction, more effective and commonly used method are intermittent urethral catheterization.Row
Urine interval is generally empirically determined by clinician, lacks accurate bladder pressure foundation.Patient maintains lower urination to press for a long time,
Bladder capacity can be made to reduce, and frequently plug conduit can also bring unnecessary pain to patient；And maintain higher bladder
Pressure, can lead to vesicoureteric reflux, serious to damage upper urinary tract, cause chronic renal failure, or even dead.And monitor bladder pressure in real time
Power, in due course drained of urine will avoid the generation of the above problem.
Formulation, implementation and effect of the assessment of detrusor urinae of bladder and sphincter urethrae changing rule to bladder rehabilitation plan
Fruit assessment is most important.However, mostly using easy device that physiological saline is injected wing the assessment of bladder pressure volume at present
In Guang and pressure is monitored, even professional Urinary functional test detector is also using exogenous salt water injection mode.But wing
Guang can generate involuntary contraction in the case where unexpected expansion or temperature change, seriously affect the accurate of acquired data
Property, and often single measurement can not react the overall variation rule of patient's bladder.Thus doctor cannot be according to traditional monitoring
Device obtains the dynamic bladder pressure volume changing rule under physiological status.
Summary of the invention
The utility model makes up the deficiencies in the prior art aiming at the above problem, and it is dynamic to provide a kind of bladder temperature, pressure
State monitoring device.
To achieve the above object, the utility model adopts the following technical solution.
A kind of bladder temperature, pressure dynamic monitor of the utility model, including monitoring catheter, it is characterised in that: in institute
The monitoring catheter one end stated is provided with Medical tee joint valve, in the integrated fixed setting in described monitoring catheter the other end
There is temperature volume monitor；The temperature volume monitor is made of medical thermistor probe, Bladder Volume monitoring probe,
The signal output end of the temperature volume monitor is connected to external dynamic monitoring control terminal, the biography by transmission line
Defeated line traveling is in monitoring urethral catheterization tube wall；One channel of the Medical tee joint valve is connected with monitoring catheter, institute
The another two channel for the Medical tee joint valve stated be connected separately with medical pressure table, urinal connection hose, Medical tee joint valve with
It is connected between medical pressure table by transparent hose, is provided with urinal connector on urinal connection hose；The monitoring catheter
Front outsides face is provided with sphincter urethrae pressure monitor, the temperature volume monitoring of the monitoring urethral catheterization tube end fixed setting
Device periphery is enclosed with protection elastic layer.
As a kind of preferred embodiment of the utility model, the monitoring catheter is medical three chamber made of rubber material
Catheter, internal includes there are three cavity, and cavity is rinsed in respectively feed liquor cavity, inflation cavity, water filling；Monitor catheter
Front end is respectively arranged with water outlet, inlet, sacculus, and water outlet rinses cavity by water filling and is arranged on monitoring catheter
It fills the water flushing pipe to be connected, inlet passes through feed liquor cavity and one of the Medical tee joint valve that monitoring catheter one end is arranged in
Channel is connected, and sacculus is connected by inflation cavity with the gas tube being arranged on monitoring catheter；The diameter of transparent hose is less than
Monitor the diameter of the feed liquor cavity of catheter.
As a kind of preferred embodiment of the utility model, the front end of the medical three-cavity catheter is closed, and described goes out
The mouth of a river and inlet are separately positioned on the side wall of medical three-cavity catheter, and the water outlet and inlet, which are located at medical three chamber, leads
Between the front end and sacculus of urinary catheter.
As a kind of preferred embodiment of the utility model, closure plug is provided in the water filling flushing pipe, gas tube.
As another preferred embodiment of the utility model, the dynamic monitoring control terminal is by microcontroller, key mould
Block, bladder dynamic rule display module, power module are constituted, and the medical thermistor probe, Bladder Volume monitoring are visited
The signal output end signal input part with the microcontroller of dynamic monitoring control terminal respectively of head, sphincter urethrae pressure monitor
It is connected, the microcontroller is connected with key module, bladder dynamic rule display module respectively, the power module
Electricity is provided for dynamic monitoring control terminal, medical thermistor probe, Bladder Volume monitoring probe, sphincter urethrae pressure monitor
Energy.
As another preferred embodiment of the utility model, the medical thermistor probe uses FM high-precision NTC
Thermistor.
As another preferred embodiment of the utility model, the medical pressure table is sharp using model G20P-25M victory
Medical pressure table.
As another preferred embodiment of the utility model, the sphincter urethrae pressure monitor uses planar bar shaped
Pressure sensor.
As another preferred embodiment of the utility model, the Bladder Volume monitoring probe is to utilize ultrasonic wave volume
The ultrasonic probe of monitoring principle.
As another preferred embodiment of the utility model, the transparent hose is the hose made of PVC material.
The utility model beneficial effect.
1, a kind of bladder temperature, pressure dynamic monitor of offer described in the utility model, passes through set medical three
Port valve door connect hose connection, and the temperature set by monitoring catheter front end with bladder, medical pressure table, urinal respectively
Volume monitor, sphincter urethrae pressure monitor；It can be realized closing monitoring catheter, monitoring bladder pressure, connection urinal
Being switched fast for three kinds of functions of urethral catheterization, it is easy to use；It can be realized the temperature real-time monitoring to bladder, monitoring is accurate, reliable, energy
Human body central temperature is directly reacted, does not increase operation additionally, and be not easy, prevents the damage in operating process to urethra；Energy
Continue simultaneously and interruption monitoring bladder pressure, volume, reflection abdominal cavity of patients's internal pressure are more accurate to the monitoring of patient's condition.
2, the bladder temperature, pressure dynamic monitor of the utility model, by increasing the function to bladder temperature monitoring
Can, realize be capable of synchronization monitoring and analysis patient Temperature changing and variation tendency, especially in the course of surgery, can and
When remind doctor to take measures, reduce injury of the hypothermia to patient, reduce operation risk, effectively play timely forewarning function；
Convenient for the temperature monitoring after the completion of patient's operation, activity and the temperature monitoring of patient are not interfered.
Detailed description of the invention
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with the drawings and the specific embodiments, the present invention will be further described in detail.It should be appreciated that tool described herein
Body embodiment is only used to explain the utility model, is not used to limit the utility model.
Fig. 1 is a kind of overall structure diagram of bladder temperature, pressure dynamic monitor of the utility model.
Fig. 2 is a kind of circuit structure frame of the dynamic monitoring control of bladder temperature, pressure dynamic monitor of the utility model
Figure.
Marked in the figure: 1 be medical pressure table, 2 be Medical tee joint valve, 3 be transparent hose, 4 be block plug, 5 be inflation
Pipe, 6 be dynamic monitoring control terminal, 7 be urinal connector, 8 be urinal connection hose, 9 be water filling flushing pipe, 10 be monitor urethral catheterization
Pipe, 11 for medical thermistor probe, 12 be water outlet, 13 be inlet, 14 be transmission line, 15 be bladder, 16 be protection bullet
Property layer, 17 be Bladder Volume monitoring probe, 18 be sacculus, 19 be sphincter urethrae pressure monitor.
Specific embodiment
In conjunction with shown in attached drawing 1, a kind of bladder temperature, pressure dynamic monitor of the utility model, including monitoring catheter
10, it is characterised in that: 10 one end of monitoring catheter is provided with Medical tee joint valve 2, in the monitoring urethral catheterization
10 the other end of pipe is integrated to be fixedly installed temperature volume monitor；The temperature volume monitor is visited by medical thermistor
First 11, Bladder Volume monitoring probe 17 forms, and the signal output end of the temperature volume monitor is connected by transmission line 14
To external dynamic monitoring control terminal 6,14 traveling of transmission line is in monitoring 10 tube wall of catheter；The Medical tee joint
One channel of valve 2 is connected with monitoring catheter 10, and the another two channel of the Medical tee joint valve 2 is connected separately with
Medical pressure table 1, urinal connect hose 8, are connected between Medical tee joint valve 2 and medical pressure table 1 by transparent hose 3, urinate
Urinal connector 7 is provided on bag connection hose 8；The 10 front outsides face of monitoring catheter is provided with sphincter urethrae pressure
Monitor 19, the temperature volume monitor periphery of monitoring 10 end of catheter fixed setting are enclosed with protection elastic layer 16.
The temperature volume monitor periphery of monitoring 10 end of catheter fixed setting is enclosed with protection elastic layer 16, can
To realize that insertion is convenient, patient's sense of discomfort not will increase.
The monitoring catheter 10 is medical three-cavity catheter made of rubber material, and internal includes that there are three chambers
Cavity is rinsed in road, respectively feed liquor cavity, inflation cavity, water filling；Monitoring catheter 10 front end be respectively arranged with water outlet 12,
Inlet 13, sacculus 18, water outlet 12 rinse cavity by water filling and 9 phase of water filling flushing pipe monitored on catheter 10 are arranged in
Even, the channel phase that inlet 13 passes through feed liquor cavity and the Medical tee joint valve that monitoring 10 one end of catheter is arranged in
Even, sacculus 18 is connected by inflation cavity with the gas tube 5 being arranged on monitoring catheter 10；The diameter of transparent hose 3 is less than
Monitor the diameter of the feed liquor cavity of catheter 10.
The medical pressure table 1 is connect by transparent hose 3 with Medical tee joint valve 2, is facilitated and is placed medical pressure table 1,
Medical pressure table 1 is avoided to be subject to crushing or cause to patient uncomfortable；3 diameter of transparent hose is less than the feed liquor of medical three-cavity catheter
Cavity can allow medical pressure table 1 to measure more quasi-, and reduce the urine stored in transparent hose 3, increase the standard of urine volume measurement
True property.
The sacculus 18 expands after being inflated by gas tube 5 into it, is just stuck in bladder 15, can play anti-
Only monitoring 10 front end of catheter emerges in outside bladder 15.
The front end closing of the medical three-cavity catheter, the water outlet 12 and inlet 13 are separately positioned on medical
The side wall of three-cavity catheter, the water outlet 12 and inlet 13 be located at medical three-cavity catheter front end and sacculus 18 it
Between.
Closure plug 4 is provided in the water filling flushing pipe 9, gas tube 5.
The circuit structure block diagram of dynamic monitoring control as shown in Figure 2, the dynamic monitoring control terminal 6 is by microcontroller
Device, key module, bladder dynamic rule display module, power module are constituted, the medical thermistor probe 11, bladder
The signal output end micro-control with dynamic monitoring control terminal 6 respectively of volume monitoring probe 17, sphincter urethrae pressure monitor 19
The signal input part of device processed is connected, the microcontroller respectively with key module, bladder dynamic rule display module phase
Even, the power module is dynamic monitoring control terminal 6, medical thermistor probe 11, Bladder Volume monitoring probe 17, urethra
Sphincter pressure monitor 19 provides electric energy.
The medical thermistor probe 11 uses FM high-precision NTC thermistor, to real-time monitoring patient's bladder
Interior temperature, the temperature monitoring of FM high-precision NTC thermistor is accurate, reliable, can directly react human body central temperature, not increase additionally
Add operation.
The medical pressure table 1 is using the prompt sharp medical pressure table of model G20P-25M, to real-time monitoring patient's wing
Pressure in Guang.
The sphincter urethrae pressure monitor 19 uses planar bar shaped pressure sensor；To monitor sphincter urethrae
Contraction movement.
The Bladder Volume monitoring probe 17 is the ultrasonic probe using ultrasonic wave volume monitoring principle；It is used sometimes
Between be spaced, the detection mode of pulsed realize the monitoring of Bladder Volume variation.
The transparent hose 3 is the hose made of PVC material.
The application method and working principle of the utility model, are specifically described as follows.
(1) until the position of sacculus 18 is located in bladder 15, then the front end for monitoring catheter 10 is inserted by. from urethral orifice
Air is injected to sacculus 18 by gas tube 5, so that sacculus 18 is swollen and is stuck in bladder 15；Then it will be filled using a closure plug 4
The free end of tracheae 5 is closed, while being blocked plug 4 using another and being closed the free end for filling the water flushing pipe 9；It is medical by screwing
The feed liquor cavity for monitoring catheter 10 is connect by three-way valve 2 with medical pressure table 1, and urinal connects hose 8 and closes, and can be realized
The real-time monitoring of bladder pressure；When needing to urinate, by screw Medical tee joint valve 2 by monitor catheter 10 feed liquor cavity with
Urinal connects hose 8 and connects, and the transparent hose 3 of connection medical pressure table 1 is closed, and can urinate；When needing cleaning in bladder 15,
Can by fill the water flushing pipe 9 inject medical fluid or water into bladder, be rinsed bladder, then again from monitor catheter 10 into
Liquid mouth 13 and the outflow of feed liquor cavity.(2) is placed in wing by will monitor temperature volume monitor set by the front end of catheter 10
Inside Guang 15, and sphincter urethrae pressure monitor 19 is made to be located at the approximate location of sphincter urethrae, the Bladder Volume prison
Probing head 17 is by ultrasonic wave principle, according to ultrasonic wave volume algorithm model, carries out accurately measuring and calculating in real time to Bladder Volume；Institute
The medical thermistor probe 11 stated can accurately monitor temperature in bladder 15, can directly react the human body central temperature of patient,
Do not increase operation additionally；And sphincter urethrae pressure monitor 19 can carry out pressure monitoring to sphincter urethrae, thus in real time
Monitor the contraction and diastole activity of sphincter；By transmission line 14 by Bladder Volume monitoring probe 17, medical thermistor probe
11, the microcontroller that the information that sphincter urethrae pressure monitor 19 real-time monitors is transferred to dynamic monitoring control terminal 6 is gone forward side by side
Temperature in bladder, Bladder Volume, relevant curve graph between sphincter pressure are drawn out in row information integrated treatment, and by dynamic
The bladder dynamic rule display module of state monitoring control terminal 6 is shown, is presented.
In conclusion the bladder temperature, pressure dynamic monitor of the utility model, supervises bladder temperature by increasing
The function of survey realizes the Temperature changing and variation tendency for capableing of synchronization monitoring and analysis patient, especially in surgical procedure
In, doctor can be reminded to take measures in time, reduce injury of the hypothermia to patient, reduce operation risk, effectively played pre- in time
Alert effect；Convenient for the temperature monitoring after the completion of patient's operation, activity and the temperature monitoring of patient are not interfered.
After the collection for completing the data such as above-mentioned 15 pressure of bladder, temperature, volume, sphincter urethrae pressure, Yi Shengke
It is analyzed with the urination rule to patient, obtains the pressure change of the bladder pressure volume curve and detrusor and sphincter of patient
Change the data such as curve, the implementation of rehabilitation training is instructed according to the concrete condition of patient.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment, those skilled in the art should understand that, it still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (10)
1. a kind of bladder temperature, pressure dynamic monitor, including monitoring catheter (10), it is characterised in that: in the monitoring
Catheter (10) one end is provided with Medical tee joint valve (2), in the integrated fixation in described monitoring catheter (10) the other end
It is provided with temperature volume monitor；The temperature volume monitor is monitored by medical thermistor probe (11), Bladder Volume
The signal output end of probe (17) composition, the temperature volume monitor is connected to external dynamic prison by transmission line (14)
It surveys control terminal (6), the transmission line (14) traveling is in monitoring catheter (10) tube wall；The Medical tee joint valve (2)
A channel with monitoring catheter (10) be connected, the another two channel of the Medical tee joint valve (2) is connected separately with
Medical pressure table (1), urinal connection hose (8), pass through transparent hose between Medical tee joint valve (2) and medical pressure table (1)
(3) it is connected, is provided with urinal connector (7) in urinal connection hose (8)；Monitoring catheter (10) the front outsides face setting
Have sphincter urethrae pressure monitor (19), the temperature volume monitor periphery of monitoring catheter (10) end fixed setting
It is enclosed with protection elastic layer (16).
2. a kind of bladder temperature, pressure dynamic monitor according to claim 1, it is characterised in that: the monitoring is led
Urinary catheter (10) is medical three-cavity catheter made of rubber material, and the internal cavity including there are three, respectively feed liquor cavity fill
Cavity is rinsed in air cavity road, water filling；The front end of monitoring catheter (10) is respectively arranged with water outlet (12), inlet (13), sacculus
(18), water outlet (12) rinses cavity by water filling and is connected with water filling flushing pipe (9) of the setting in monitoring catheter (10), into
Liquid mouth (13) passes through feed liquor cavity and a channel phase in the Medical tee joint valve (2) of monitoring catheter (10) one end is arranged
Even, sacculus (18) is connected by inflation cavity with gas tube (5) of the setting in monitoring catheter (10)；Transparent hose (3)
Diameter is less than the diameter of the feed liquor cavity of monitoring catheter (10).
3. a kind of bladder temperature, pressure dynamic monitor according to claim 2, it is characterised in that: described medical three
The front end closing of chamber catheter, the water outlet (12) and inlet (13) are separately positioned on the side of medical three-cavity catheter
Wall, the water outlet (12) and inlet (13) are located between the front end and sacculus (18) of medical three-cavity catheter.
4. a kind of bladder temperature, pressure dynamic monitor according to claim 2, it is characterised in that: the water filling punching
It washes pipe (9), be provided with closure plug (4) on gas tube (5).
5. a kind of bladder temperature, pressure dynamic monitor according to claim 1, it is characterised in that: the dynamic prison
Control terminal (6) are surveyed to be made of microcontroller, key module, bladder dynamic rule display module, power module, it is described medical
Thermistor probe (11), Bladder Volume monitoring probe (17), sphincter urethrae pressure monitor (19) signal output end point
Be not connected with the signal input part of the microcontroller of dynamic monitoring control terminal (6), the microcontroller respectively with key module,
Bladder dynamic rule display module is connected, and the power module is dynamic monitoring control terminal (6), medical thermistor is visited
Head (11), Bladder Volume monitoring probe (17), sphincter urethrae pressure monitor (19) provide electric energy.
6. a kind of bladder temperature, pressure dynamic monitor according to claim 1, it is characterised in that: the medical heat
Quick Resistance probe (11) uses FM high-precision NTC thermistor.
7. a kind of bladder temperature, pressure dynamic monitor according to claim 1, it is characterised in that: the Medical pressure
Power table (1) is using the prompt sharp medical pressure table of model G20P-25M.
8. a kind of bladder temperature, pressure dynamic monitor according to claim 1, it is characterised in that: the urethra includes
About flesh pressure monitor (19) uses planar bar shaped pressure sensor.
9. a kind of bladder temperature, pressure dynamic monitor according to claim 1, it is characterised in that: the bladder holds
Product monitoring probe (17) is the ultrasonic probe using ultrasonic wave volume monitoring principle.
10. a kind of bladder temperature, pressure dynamic monitor according to claim 1, it is characterised in that: described is transparent
Hose (3) is the hose made of PVC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698587.1U CN208799249U (en) | 2018-05-11 | 2018-05-11 | A kind of bladder temperature, pressure dynamic monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698587.1U CN208799249U (en) | 2018-05-11 | 2018-05-11 | A kind of bladder temperature, pressure dynamic monitor |
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| Publication Number | Publication Date |
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| CN208799249U true CN208799249U (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820698587.1U Expired - Fee Related CN208799249U (en) | 2018-05-11 | 2018-05-11 | A kind of bladder temperature, pressure dynamic monitor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807550A (en) * | 2021-02-03 | 2021-05-18 | 邵和义 | External bladder internal pressure maintaining device for catheter |
| CN113080973A (en) * | 2021-03-24 | 2021-07-09 | 山东史蒂夫医疗科技有限公司 | Intelligent renal failure treatment system for intensive care unit |
| CN114305424A (en) * | 2022-01-26 | 2022-04-12 | 西安汇智医疗集团有限公司 | Catheter for bladder pressure measurement and urethra pressure measurement |
| WO2023011468A1 (en) * | 2021-08-03 | 2023-02-09 | 北京华神生电医疗科技有限公司 | Neuroelectrophysiological monitoring device |
| WO2023245694A1 (en) * | 2022-06-20 | 2023-12-28 | 江苏伟康洁婧医疗器械股份有限公司 | Urinary catheter |
-
2018
- 2018-05-11 CN CN201820698587.1U patent/CN208799249U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807550A (en) * | 2021-02-03 | 2021-05-18 | 邵和义 | External bladder internal pressure maintaining device for catheter |
| CN113080973A (en) * | 2021-03-24 | 2021-07-09 | 山东史蒂夫医疗科技有限公司 | Intelligent renal failure treatment system for intensive care unit |
| WO2023011468A1 (en) * | 2021-08-03 | 2023-02-09 | 北京华神生电医疗科技有限公司 | Neuroelectrophysiological monitoring device |
| CN114305424A (en) * | 2022-01-26 | 2022-04-12 | 西安汇智医疗集团有限公司 | Catheter for bladder pressure measurement and urethra pressure measurement |
| WO2023245694A1 (en) * | 2022-06-20 | 2023-12-28 | 江苏伟康洁婧医疗器械股份有限公司 | Urinary catheter |
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Granted publication date: 20190430 Termination date: 20210511 |