CN106388761A - Real time wireless pressure measuring endoscope in mirror front end - Google Patents
Real time wireless pressure measuring endoscope in mirror front end Download PDFInfo
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- CN106388761A CN106388761A CN201610908648.8A CN201610908648A CN106388761A CN 106388761 A CN106388761 A CN 106388761A CN 201610908648 A CN201610908648 A CN 201610908648A CN 106388761 A CN106388761 A CN 106388761A
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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
- A61B1/307—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 for the urinary organs, e.g. urethroscopes, cystoscopes
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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
- A61B1/00002—Operational features of endoscopes
- A61B1/00011—Operational features of endoscopes characterised by signal transmission
- A61B1/00016—Operational features of endoscopes characterised by signal transmission using wireless means
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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
- A61B1/012—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 characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
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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
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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
- A61B1/06—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 with illuminating arrangements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0242—Operational features adapted to measure environmental factors, e.g. temperature, pollution
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
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Abstract
The invention aims to solve problems existing in prior art and seeks out a real time wireless pressure measuring endoscope in a mirror front end, wherein the wireless pressure measuring endoscope does not need to occupy a water injection path. The wireless pressure measuring endoscope comprises a tube body, an illuminant and a lens, and the wireless pressure measuring endoscope also comprises a passive and wireless pressure sensor, a controller used for controlling the water injection as well as a repeater used for passing a pressure signal output by the passive and wireless pressure sensor to the controller and the passive and wireless pressure sensor is arranged on the front end of the tube body. The real time wireless pressure measuring endoscope in a mirror front end has the advantages that under a condition in which the external dimension of the endoscope is not increased, the wireless pressure measuring endoscope can be used to monitor in real time pressure in human body organs during an operation process, thus guaranteeing the safety of the operation.
Description
Technical field
This patent is related to Medical treatment device field and in particular to a kind of endoscope of mirror front end real-time radio pressure measurement.
Background technology
Since endoscope comes out, particularly Ureteroscopy has become as the requisite diagnosis of Urology Surgery and treats
Instrument, it has the advantages that easy and simple to handle, damage is little, post-operative recovery is fast, satisfactory effect, is just being increasingly being applied to clinic.
However, clinically it has also been found that there being patient that postoperative hyperpyrexia, septicemia, renal pelvis rupture, shock occur after the operation of row ureteroscope, or even
The severe complications such as death.One of its reason be preoperative do not control urinary system infection, another major reason be renal pelvis pressure mistake
High：For ensureing smoothly to enter mirror and keeping rubble position visual area clear, must constantly be rinsed with normal saline in operation process, cause
Renal pelvis pressure increases, and renal pelvis pressure persistently increases and can cause urine and infusion liquid extravasation (by renal pelvis Venous Reflux, renal pelvis lymph
Backflow, renal pelvis renal tubules backflow and pyelointerstitial backflow), severe patient also results in kidney week even abdominal cavity, hydrothorax, excessive liquid
Being absorbed into blood circulation can cause antibacterial in water intoxication, urine and calculus and endotoxin to enter blood with liquid, thus
Cause the generation of septic shock.And there is renal pelvis high pressure in Ureteroscopy and confirmed by broad-mouthed receptacle for holding liquid pressure measurement in art, ureter
There are renal pelvis and backflow and cause related complication in mirror in clinicing aspect, art, renal pelvis high pressure, height in the generation that renal pelvis backflow and art
The factors such as pressure persistent period are related, and the incidence rate of post-operative complication is high to injection pressure in art and operating time length is related, kidney
Broad-mouthed receptacle for holding liquid pressure can not continue (60s) to a certain extent more than 4.00kPa has had professional paper to determine.
Water filling for ureteroscope in Ureteroscopy at present or instrument channel are all not only thin but also long.Diameter exists
1.2mm-1.6mm length be more than 600mm water filling pressure pressure reduction very greatly cannot correct amount, notification number be 204863067U invention wound
Make and disclose a kind of endoscope, the front end arranging pressure transducer body in endoscope's body front end has pressure transducer, interior
There is in sight glass body pressure transducer lead, lead is used for pressure transducer is provided with power supply and exports pressure signal,
This pressure transducer is used for perceiving the hydraulic pressure in the range of surgical field of view, when hydraulic signal reaches preset value, now by control
Device controls water filling.The prior art, inserts pressure transducer lead in water filling or instrument channel, occupies water filling or apparatus leads to
Road have impact on endoscope's operability.
Content of the invention
It is an object of the invention to solving the problems of prior art, find a kind of mirror that need not take waterflood path
The endoscope of sub- front end real-time radio pressure measurement.
In order to realize described purpose, a kind of endoscope of mirror of present invention front end real-time radio pressure measurement, including body, light source
And camera lens, also include passive and wireless pressure transducer, for controlling the controller of water filling and being used for passive and wireless pressure sensing
The pressure signal transmission that device exports is arranged on body front end to the repeater of controller, described passive and wireless pressure transducer.
Preferably, the signal output part of passive and wireless pressure transducer is connected with the metal material of tubular body or outside.
Preferably, the signal receiving end of repeater is connected so that endoscope tube with the metal material of tubular body or outside
Metal material inside or outside body becomes the signal receiving antenna of repeater.
Preferably, repeater is provided with the photosensitive switch for opening/cutting out repeater.
Preferably, described body rear end is provided with handle, and described repeater is arranged at handle.
Preferably, it is provided with endoscope's water filling input pipe in described body, described controller includes the first control unit and first
Pinch valve, the first pinch valve is arranged on endoscope's water filling input pipe, and the first control unit is used for passive and wireless pressure transducer
With the pressure ratio setting relatively, the pressure signal recording when passive and wireless pressure transducer is more than the pressure setting to the pressure signal recording
During power, water filling input pipe cuts out by the first pinch valve.
Preferably, it is provided with endoscope's water filling input pipe and endoscope's backwater outlet tube, described controller bag in described body
Include the second control unit, the second pinch valve and the 3rd pinch valve, described second pinch valve is arranged on endoscope's water filling input pipe, institute
State the 3rd pinch valve to be arranged on endoscope's backwater outlet tube, the second control unit is controlled as follows：
Step 1：Set the first normal pressure, the second normal pressure, the 3rd normal pressure and predicted time FT, the 3rd standard
Pressure is more than the second normal pressure, and the second normal pressure is more than the first normal pressure, and FT was more than 1 second less than 60 seconds；
Step 2：Second control unit obtains the first pressure signal of passive and wireless pressure transducer output, and records this signal
The acquisition time, by first pressure signal and set the first normal pressure be compared, if be less than the first normal pressure,
Fully open endoscope's water filling input pipe, and enter step 3；Otherwise, by first pressure signal and the second normal pressure setting
Being compared, if being less than the second normal pressure, half-open endoscope water filling input pipe, and entering step 3, if first pressure
Signal is greater than or equal to the second normal pressure, then be compared first pressure signal with the 3rd normal pressure setting, if
Less than the 3rd normal pressure, then close endoscope's water filling input water inlet tube, and enter step 3, if above or be equal to the 3rd mark
Quasi- pressure, then close endoscope's water filling input water inlet tube, and open endoscope's backwater outlet tube and draw water, and enter step 3；
Step 3：Second control unit obtains next pressure signal P of passive and wireless pressure transducer outputnext, and record this
The acquisition time T of signalnext, obtain a upper pressure signal PbeforeAnd obtain time Tbefore；
If Pnext>Pbefore, then：
Calculate forecast pressure signal FPnext：
FPnext=FT* (Pnext-Pbefore)÷(Tnext-Tbefore)
By forecast pressure signal FPnextIt is compared with the first normal pressure setting, if being less than the first normal pressure,
Then fully open endoscope's water filling input pipe, and enter step 3；Otherwise, by forecast pressure signal FPnextWith the second mark setting
Quasi- pressure is compared, if being less than the second normal pressure, half-open endoscope water filling input pipe, and enters step 3, if in advance
Pressure measurement force signal FPnextGreater than or equal to the second normal pressure, then by forecast pressure signal FPnextWith the 3rd standard pressure setting
Power is compared, if being less than the 3rd normal pressure, closing endoscope's water filling input water inlet tube, and entering step 3, if high
In or be equal to the 3rd normal pressure, then close endoscope water filling input water inlet tube, and open endoscope's backwater outlet tube and draw water, and
Enter step 3；
If Pnext≤Pbefore, then：
The forecast pressure signal FP of future time FTnext=Pnext；
By forecast pressure signal FPnextIt is compared with the second normal pressure setting, if being less than the second normal pressure,
Then half-open endoscope water filling input pipe, and enter step 3, otherwise, it is directly entered step 3.
Preferably, described FT value is 10 seconds.
Preferably, described FT value is 5 seconds
Preferably, the 3rd normal pressure is safe pressure threshold value, and the first normal pressure is the 80% of the second normal pressure, the
Two normal pressures are the 80% of the 3rd normal pressure.
Following Advantageous Effects can be obtained by implementing the present invention：Situation in the overall dimensions not increasing endoscope
Under, the safety it is ensured that performing the operation can be realized to organ surgery pressure process monitor in real time in human body in operation process.
Brief description
Fig. 1 is the overall structure diagram of the embodiment of the present invention 1；
Fig. 2 is the front-end view of the embodiment of the present invention 1；
Fig. 3 is the overall structure diagram of the embodiment of the present invention 2；
Fig. 4 is the front-end view of the embodiment of the present invention 2.
Specific embodiment
For the ease of the understanding of those skilled in the art, with reference to specific embodiment, the present invention is made further
Bright：
Embodiment 1：
As depicted in figs. 1 and 2, a kind of endoscope of mirror of present invention front end real-time radio pressure measurement include body 1, light source 2,
Camera lens 3, it is arranged on passive and wireless pressure transducer 4, for controlling the controller 5 of water filling and for by passive and wireless pressure sensing
The pressure signal transmission that device 4 exports is to the repeater 6 of controller 5.Passive and wireless pressure transducer 4 is arranged on body 1 front end, in
The device 6 that continues is arranged between passive and wireless pressure transducer and controller 5.
During use, it is arranged on the passive and wireless pressure transducer 4 real-time monitoring ambient pressure of body 1 front end, and by pressure
Signal is crossed repeater 6 and is wirelessly transmitted to controller 5, and passive and wireless pressure transducer 4 can be using light source 2 as power source, need not
Be separately provided power supply, can be wirelessly transferred simultaneously, lead need not be set, be not take up the waterflood path of endoscope, improve in peep
The operability of mirror.
Passive and wireless pressure transducer 4 can adopt existing passive and wireless pressure transducer, and profile can be according to demand
Depending on, passive and wireless pressure transducer 4 utilizes electromagnetic coupled (load shift keying, LSK) measurement frequency offset information,
Carry out sensed pressure change, using the photoetching technique of semiconductor device, manufacture on the surface of piezoquartz, agitator, amplification
The nonlinear devices such as device, are packaged to sensor with medical grade PU PI material, debug sensor.Passive wireless sensor is straight
Connect and bond to reserved location before endoscope, be so very beneficial for sensor assembling and maintenance from now on.
In specific implementation process, the signal output part of passive and wireless pressure transducer 4 is connected with the metal material of body,
The flexible metal material of endoscope is made to become the signal transmission antenna of passive and wireless pressure transducer 4, due to passive and wireless
Pressure transducer 4 overall dimensions are very little, are micro pressure sensor, and area is less than 0.2 square millimeter, the signal of transmitting
Very weak, signal receiving antenna made by the metal material using endoscope's tubular body or outside, is received passive by repeater 6
After the small-signal of wireless pressure sensor 4, amplify this signal, and signal transmission is gone out to controller 5 and then improves passive
The transmission intensity of wireless pressure sensor 4 signal.
In specific implementation process, body 1 rear end is provided with handle 7, and repeater 6 is arranged at handle 7, the letter of repeater 6
Number receiving terminal is connected with the metal material of tubular body or outside so that the metal material of tubular body or outside becomes repeater
6 signal receiving antenna, and then improve the transmission intensity of passive and wireless pressure transducer 4 signal.
In specific implementation process, repeater 6 is provided with that (in figure is not shown for the photosensitive switch of opening/close repeater 6
Go out), photosensitive switch detects after endoscope connects light source 2 and opens repeater 6.
In specific implementation process, in body 1, it is provided with endoscope's water filling input pipe 8, endoscope's water filling input pipe 8 can connect
Connect existing water pump and pass through water pump pressure water injection it is also possible to connection suspension bottle, naturally pressurizeed by hanging bottle, controller 5 includes first
Control unit and the first pinch valve, the first pinch valve is arranged on endoscope's water filling input pipe, and the first control unit is used for passing pressure
With the pressure ratio setting relatively, the pressure signal recording when pressure transducer 4 is more than the pressure setting to the pressure signal that sensor 4 records
When, water filling input pipe cuts out by the first pinch valve.
Embodiment 2：
As shown in Figure 3 and Figure 4, it is with the difference of embodiment 1：
It is provided with endoscope's water filling input pipe 8 and endoscope's backwater outlet tube 9, controller 5 includes the second control in body 1
Portion, the second pinch valve 51 and the 3rd pinch valve 52, the second pinch valve 51 is arranged on endoscope's water filling input pipe 8, the 3rd clamp
Valve 52 is arranged on endoscope's backwater outlet tube 9, and the second control unit is controlled as follows：
Step 1：Set the first normal pressure, the second normal pressure, the 3rd normal pressure and predicted time FT, the 3rd standard
Pressure is more than the second normal pressure, and the second normal pressure is more than the first normal pressure, and FT was more than 1 second less than 60 seconds；
Step 2：Second control unit obtains the first pressure signal of passive and wireless pressure transducer 4 output, and records this letter
Number the acquisition time, by first pressure signal and set the first normal pressure be compared, if be less than the first normal pressure,
Then fully open endoscope's water filling input pipe 8, and enter step 3；Otherwise, by first pressure signal and the second standard pressure setting
Power is compared, if being less than the second normal pressure, half-open endoscope water filling input pipe 8, and enters step 3, if first
Pressure signal is greater than or equal to the second normal pressure, then be compared first pressure signal with the 3rd normal pressure setting,
If being less than the 3rd normal pressure, closing endoscope water filling input pipe 8 and intaking, and entering step 3, if above or be equal to the
Three normal pressures, then close endoscope's water filling input pipe 8 and intake, and open endoscope's backwater outlet tube 9 and draw water, simultaneously enter step
Rapid 3；
Step 3：Second control unit obtains next pressure signal P of passive and wireless pressure transducer 4 outputnext, and record
The acquisition time T of this signalnext, obtain a upper pressure signal PbeforeAnd obtain time Tbefore；
If Pnext>Pbefore, then：
Calculate forecast pressure signal FPnext：
FPnext=FT* (Pnext-Pbefore)÷(Tnext-Tbefore)
By forecast pressure signal FPnextIt is compared with the first normal pressure setting, if being less than the first normal pressure,
Then fully open endoscope's water filling input pipe 8, and enter step 3；Otherwise, by forecast pressure signal FPnextWith second setting
Normal pressure is compared, if being less than the second normal pressure, half-open endoscope water filling input pipe 8, and enters step 3, such as
Fruit forecast pressure signal FPnextGreater than or equal to the second normal pressure, then by forecast pressure signal FPnextWith the 3rd mark setting
Quasi- pressure is compared, if being less than the 3rd normal pressure, closing endoscope's water filling input pipe 8 and intaking, and entering step 3,
If above or be equal to the 3rd normal pressure, then close endoscope water filling input pipe 8 and intake, and open endoscope's backwater outlet tube
9 draw water, and enter step 3
If Pnext≤Pbefore, then：
The forecast pressure signal FP of future time FTnext=Pnext；
By forecast pressure signal FPnextIt is compared with the second normal pressure setting, if being less than the second normal pressure,
Then half-open endoscope water filling input pipe 8, and enter step 3, otherwise, it is directly entered step 3.
FT value can be configured according to practical situation during specific works, arranges as general, can be 10 seconds by FT value
Or 5 seconds.
First normal pressure, the second normal pressure and the 3rd normal pressure can also enter according to the practical situation of specific works
Row setting, can be typically safe pressure threshold value by the 3rd normal pressure, the first normal pressure is the 80% of the second normal pressure,
Second normal pressure is the 80% of the 3rd normal pressure, so setting not only applicable routine operation, and is easy to use personnel
3rd normal pressure only need to be set to the safe pressure threshold value of reality, need not arrange the first normal pressure again by setting
With the second normal pressure.
When exceeding safe pressure threshold value in organ of performing the operation, drawn water, and then reduced intraorganic pressure of performing the operation, worked as handss
When in art organ, pressure rises, this patent pass through to predict next second or under the pressure condition of several seconds, according to the pressure condition of prediction,
The control carrying out into water and drawing water, and then reach the purpose of anticipation, prevent the operation intrinsic pressure power of organ too high, reduce in operation organ
Pressure reaches the probability of safe pressure threshold value；When the intrinsic pressure power of organ of performing the operation does not rise, according to the real-time pressure situation recording, enter
Traveling water and the control drawn water, prevent from closing water inlet because of anticipation and then affecting cleaning performance.This patent reduces because of surgical device
Hypertonia in official and the operation risk that causes and postoperative risk, improve the safety of operation.
According to actual use needs, in this patent, endoscope's water filling input pipe 8 also can be by endoscope's gas injection input pipe generation
Replace, endoscope's backwater outlet tube 9 also can be replaced by endoscope's return-air outlet tube.
The foregoing is only the specific embodiment of the present invention, but the technical characteristic of the present invention is not limited thereto, Ren Heben
The technical staff in field in the field of the invention, all cover among the scope of the claims of the present invention by the change made or modification.
Claims (10)
1. the endoscope of a kind of mirror front end real-time radio pressure measurement, including body, light source and camera lens it is characterised in that：Also include
Passive and wireless micro pressure sensor, for control water filling controller and for by passive and wireless micro pressure sensor export
Pressure signal transmission to controller repeater, described passive and wireless micro pressure sensor is arranged on body front end.
2. as claimed in claim 1 a kind of soft or hard endoscope distal end wireless pressure supervising device it is characterised in that：Passive and wireless
The signal output part of micro pressure sensor is connected with the metal material of tubular body or outside.
3. as claimed in claim 1 a kind of soft or hard endoscope distal end wireless pressure supervising device it is characterised in that：Repeater
Signal receiving end is connected with the metal material of tubular body or outside so that the metal material of endoscope's tubular body or outside becomes
Signal receiving antenna for repeater.
4. as claimed in claim 1 a kind of soft or hard endoscope distal end wireless pressure supervising device it is characterised in that：On repeater
It is provided with the photosensitive switch for opening/closing repeater.
5. as claimed in claim 1 a kind of soft or hard endoscope distal end wireless pressure supervising device it is characterised in that：Described body
Rear end is provided with handle, and described repeater is arranged at handle.
6. as claimed in claim 1 a kind of soft or hard endoscope distal end wireless pressure supervising device it is characterised in that：Described body
Inside it is provided with endoscope's water filling input pipe, described controller includes the first control unit and the first pinch valve, the first pinch valve is arranged on
On endoscope's water filling input pipe, the first control unit is used for pressure signal and the setting recording passive and wireless micro pressure sensor
Pressure ratio relatively, when the pressure signal that passive and wireless micro pressure sensor records be more than set pressure when, by first press from both sides
Pipe valve closes water filling input pipe.
7. as claimed in claim 1 a kind of soft or hard endoscope distal end wireless pressure supervising device it is characterised in that：Described body
Inside it is provided with endoscope's water filling input pipe and endoscope's backwater outlet tube, described controller includes the second control unit, the second pinch valve
With the 3rd pinch valve, described second pinch valve is arranged on endoscope's water filling input pipe, described 3rd pinch valve be arranged in peep
On mirror backwater outlet tube, the second control unit is controlled as follows：
Step 1：Set the first normal pressure, the second normal pressure, the 3rd normal pressure and predicted time FT, the 3rd normal pressure
More than the second normal pressure, the second normal pressure is more than the first normal pressure, and FT was more than 1 second less than 60 seconds；
Step 2：Second control unit obtains the first pressure signal of passive and wireless micro pressure sensor output, and records this signal
The acquisition time, by first pressure signal and set the first normal pressure be compared, if be less than the first normal pressure,
Fully open endoscope's water filling input pipe, and enter step 3；Otherwise, by first pressure signal and the second normal pressure setting
Being compared, if being less than the second normal pressure, half-open endoscope water filling input pipe, and entering step 3, if first pressure
Signal is greater than or equal to the second normal pressure, then be compared first pressure signal with the 3rd normal pressure setting, if
Less than the 3rd normal pressure, then close endoscope's water filling input water inlet tube, and enter step 3, if above or be equal to the 3rd mark
Quasi- pressure, then close endoscope's water filling input water inlet tube, and open endoscope's backwater outlet tube and draw water, and enter step 3；
Step 3：Second control unit obtains next pressure signal P of passive and wireless micro pressure sensor outputnext, and record this
The acquisition time T of signalnext, obtain a upper pressure signal PbeforeAnd obtain time Tbefore；
If Pnext>Pbefore, then：
Calculate forecast pressure signal FPnext：
FPnext=FT*(Pnext-Pbefore)÷(Tnext-Tbefore)
By forecast pressure signal FPnextIt is compared with the first normal pressure setting, if being less than the first normal pressure, complete
Full open endoscope water filling input pipe, and enter step 3；Otherwise, by forecast pressure signal FPnextWith the second standard pressure setting
Power is compared, if being less than the second normal pressure, half-open endoscope water filling input pipe, and enters step 3, if pre- pressure measurement
Force signal FPnextGreater than or equal to the second normal pressure, then by forecast pressure signal FPnextEnter with the 3rd normal pressure setting
Row compares, if being less than the 3rd normal pressure, closing endoscope water filling input water inlet tube, and entering step 3, if above or
Equal to the 3rd normal pressure, then close endoscope's water filling input water inlet tube, and open endoscope's backwater outlet tube and draw water, and enter
Step 3；
If Pnext≤Pbefore, then：
The forecast pressure signal FP of future time FTnext=Pnext；
By forecast pressure signal FPnextIt is compared with the second normal pressure setting, if being less than the second normal pressure, half
Drive endoscope's water filling input pipe, and enter step 3, otherwise, be directly entered step 3.
8. as claimed in claim 7 a kind of soft or hard endoscope distal end wireless pressure supervising device it is characterised in that：Described FT value
For 10 seconds.
9. a kind of soft or hard endoscope distal end wireless pressure supervising device described in claim 7 it is characterised in that：Described FT value is
5 seconds.
10. a kind of soft or hard endoscope distal end wireless pressure supervising device described in claim 7 it is characterised in that：3rd standard
Pressure is safe pressure threshold value, and the first normal pressure is the 80% of the second normal pressure, and the second normal pressure is the 3rd standard pressure
The 80% of power.
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| CN201610908648.8A CN106388761B (en) | 2016-10-18 | 2016-10-18 | A kind of endoscope of mirror front end real-time radio pressure measurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107440672A (en) * | 2017-07-14 | 2017-12-08 | 广州医科大学附属第医院 | A kind of electronics Flexible ureteroscope and its operating method with real-time pressure monitoring function |
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| CN107440672A (en) * | 2017-07-14 | 2017-12-08 | 广州医科大学附属第医院 | A kind of electronics Flexible ureteroscope and its operating method with real-time pressure monitoring function |
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| CN106388761B (en) | 2017-11-17 |
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