CN107440672A - A kind of electronics Flexible ureteroscope and its operating method with real-time pressure monitoring function - Google Patents

A kind of electronics Flexible ureteroscope and its operating method with real-time pressure monitoring function Download PDF

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Publication number
CN107440672A
CN107440672A CN201710574426.1A CN201710574426A CN107440672A CN 107440672 A CN107440672 A CN 107440672A CN 201710574426 A CN201710574426 A CN 201710574426A CN 107440672 A CN107440672 A CN 107440672A
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pressure
end portion
leading end
real
telescope
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Inventor
曾国华
蔺海
童小华
马建强
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Guangzhou Jiezhen Medical Technology Co ltd
HANGZHOU HAWK OPTICAL ELECTRONIC INSTRUMENTS CO Ltd
First Affiliated Hospital of Guangzhou Medical University
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Guangzhou Jiezhen Medical Technology Co ltd
HANGZHOU HAWK OPTICAL ELECTRONIC INSTRUMENTS CO Ltd
First Affiliated Hospital of Guangzhou Medical University
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Priority to CN201710574426.1A priority Critical patent/CN107440672A/en
Publication of CN107440672A publication Critical patent/CN107440672A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/307Instruments 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/012Instruments 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
    • A61B1/015Control of fluid supply or evacuation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/04Instruments 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
    • A61B1/05Instruments 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 characterised by the image sensor, e.g. camera, being in the distal end portion
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/06Instruments 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
    • A61B1/07Instruments 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 using light-conductive means, e.g. optical fibres
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/20Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
    • A61B5/202Assessing bladder functions, e.g. incontinence assessment
    • A61B5/205Determining bladder or urethral pressure

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Urology & Nephrology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Vascular Medicine (AREA)
  • Physiology (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (AREA)

Abstract

The invention discloses a kind of electronics Flexible ureteroscope with real-time pressure monitoring function, belong to endoprosthesis medical instrument field, the operating portion being connected including telescope and with the telescope, the telescope includes being located at the leading end portion of its end, the leading end portion is provided with camera module, the first passage and second channel for penetrating the leading end portion are provided with the telescope, illuminating bundle is fitted with the first passage, the fibre optic compression sensor for monitoring pressure in working region residing for the leading end portion is installed in the second channel.In addition, the invention also discloses a kind of operating method of the electronics Flexible ureteroscope with real-time pressure monitoring function, by automatically controlling and/or manual control is adjusted in real time to the pressure in working region.The advantage of the invention is that the pressure change in Flexible ureteroscope working region can be monitored precisely in real time, and the pressure in working region is adjusted in time, to improve the security and success rate of operation.

Description

A kind of electronics Flexible ureteroscope and its operating method with real-time pressure monitoring function
【Technical field】
The present invention relates to a kind of electronics Flexible ureteroscope and its operating method with real-time pressure monitoring function, belongs to medical treatment Instrument field, it is especially interior to peep instrument field.
【Background technology】
Electronics and fiber Flexible ureteroscope treatment ureteral calculi, especially electronics Flexible ureteroscope treatment kidney stone technology Emerging technology as the minimally invasive endoscope treatment urolithiasis of current Urology Surgery and following mainstream development direction, and it is right at present The minimum minimally invasive recognition and acceptance for taking stone to perform the operation, increasingly obtaining doctor and patient of patient's operation wound, in American-European flourishing state Family, the wide utilization of Chinese comparatively developed regions.
, it is necessary to first insert soft lens guide sheath in operation, then electronics Flexible ureteroscope is sent into guide sheath and carries out soft lens operation. To keep getting a clear view in art, it is necessary to using modes such as syringe, pressurization bag of saline or charge pump pressurizations, through electronics ureter Soft lens instrument channel injects perfusion liquid to operative region.After inserting soft lens, the gap between electronics Flexible ureteroscope and guide sheath As the flow-guiding channel of perfusion liquid.It is also soft because soft lens guide sheath is longer (being commonly used for 35cm/45cm), drive in the wrong direction and put sheath Multiple bending sections are easily formed afterwards, and electronics Flexible ureteroscope passes through guide sheath bending section, and is easily formed at multistage blocking, causes to draw Stream is not smooth, and moment or in short-term Renal pelvic pressure increase that amplitude is larger, easily exceedes and is even pressed safely considerably beyond 30mmHg renal plevis Power higher limit.Clinical research proves that Renal pelvic pressure is more than 30mmHg, and operating time is longer, postoperative pyrexia, and septicopyemia occurs The occurrence probability of the severe complications such as mass formed by blood stasis, nephrorrhagia can increased.
So the Renal pelvic pressure of monitoring electronics Flexible ureteroscope working region is very important in real time, and it is clinical at present Electronics Flexible ureteroscope used, do not possess the monitoring function of operative region Renal pelvic pressure in real-time, accurate art.
Renal pelvic pressure is monitored in present electronics/fiber Flexible ureteroscope surgery, there are following several ways at present:
1) drive in the wrong direction insertion ureteral catheter, connects central venous pressure monitoring system or Urinary functional test monitor, obtains defeated Perfusion hydraulic coupling in urinary catheter conduit;
2) central venous pressure monitoring system or urine are connected at the instrument channel water inlet valve port of electronics/fiber Flexible ureteroscope Hydromechanics monitor, obtain electronics/fiber Flexible ureteroscope instrument channel and the intraoral injection pressure of water intaking valve;
3) in the external measuring pressure passage port part of soft lens guide sheath, (hereinafter referred to as external port part and enters mirror at the passage Passage merges) sensor is set, and central venous pressure monitoring system or Urinary functional test monitor are connected, obtain soft lens guide sheath External port part perfusion hydraulic coupling and electronics/fiber Flexible ureteroscope and soft lens guiding intervaginal spaces perfusion/drainage pressure;
4) the soft lens guide sheath with independent side path is inserted, side path is with entering mirror passage full section and being not communicated with, laterally Channel distal end mouth (internal port) is concordant with soft lens guide sheath far distance port (internal port).Pass through the end of the independent side path Mouthful, if connection central venous pressure monitoring system or Urinary functional test monitor, obtain the perfusion hydraulic coupling in side path;
5) percutaneous renal puncture passage is established, imports conduit and fixation, connects central venous pressure monitoring system or uroflow power Hygienic monitoring on hands of childhood instrument, obtain the perfusion hydraulic coupling in conduit;
However, this above-mentioned several pressure measurement mode monitor the pressure data of acquisition, it is not real-time, accurate workspace Domain Renal pelvic pressure, or the Renal pelvic pressure of real-time, accurate electronics/fiber Flexible ureteroscope working region can not be obtained.Cause For in electronics/fiber Flexible ureteroscope operation, the pressure of terminal prot is injected in the port of soft lens leading end portion, i.e. perfusion liquid, just The perfusion hydraulic pressure of working region, be only the operation of electronics/fiber Flexible ureteroscope in real time, it is most accurate, most have clinical value Renal pelvic pressure data.
【The content of the invention】
The technical problems to be solved by the invention are overcome the deficiencies in the prior art, there is provided a kind of band real-time pressure monitors The electronics Flexible ureteroscope and its operating method of function, it can monitor precisely in real time in electronics Flexible ureteroscope working region Pressure, improve operation safety and success rate.
Solves above-mentioned technical problem, the present invention adopts the following technical scheme that:
A kind of electronics Flexible ureteroscope with real-time pressure monitoring function, including telescope and the operation that is connected with the telescope Portion, the telescope include being located at the leading end portion of its end, and the leading end portion is provided with camera module, insertion institute is provided with the telescope The first passage and second channel of leading end portion are stated, illuminating bundle is fitted with the first passage, is installed in the second channel There is the fibre optic compression sensor for monitoring pressure in working region residing for the leading end portion.
Using beneficial effects of the present invention:
In the present invention, first passage and second channel are provided with telescope, inserting illuminating bundle in first passage, second Passage then installs fibre optic compression sensor, and fibre optic compression sensor is one kind in fibre optical sensor, and its is main for fibre optical sensor Operation principle is to be transmitted the optical signal of light source by optical fiber, and its major advantage of fibre optical sensor is high sensitivity, mirror In it is transmitted using optical fiber, fibre optic compression sensor is generally all slender type, and diameter can make very little, therefore non- Often be suitable for use in electronics Flexible ureteroscope, because electronics Flexible ureteroscope is higher to volume, diametric requirements, some volumes compared with Sensor that is big or being relatively large in diameter, can not be arranged on leading end portion at all, and fibre optical sensor meets this requirement just, and And after being mounted with fibre optic compression sensor, its pressure signal monitored is exactly the pressure of the working region residing for accurate leading end portion Force signal, positional precision error is not had, and due to being optical fiber transmission, transmission speed is fast, interference is low, is truly realized real-time prison Survey.
Therefore after utilizing the present invention, can the real pressure in complete paired electrons Flexible ureteroscope working region it is real-time, accurate Monitoring, the pressure of working region are clinically generally Renal pelvic pressure, and present invention application can be in time clinically operation doctor There is provided most has the Renal pelvic pressure data of clinical value in the operation of electronics Flexible ureteroscope.Accordingly adjusted so as to operate the visual feelings of doctor Hydraulic pressure and perfusion/drainage liquid measure are irrigated, the control severe complication such as operating time, kidney function damage, septicopyemia, nephrorrhagia Effectively take precautions against and also become a reality.
Preferably, Transmission Fibers are provided with the second channel, described Transmission Fibers one end and the Transmission Fibers pressure Force snesor connects, and the other end of the Transmission Fibers is connected with fiber-optic signal processor.
Preferably, the fiber-optic signal processor is connected with charge pump;And/or the fiber-optic signal processor connection There is image display.
Preferably, being provided with third channel in the telescope, the operating portion is provided with water inlet valve port, the third channel One end is connected with water inlet valve port, and the other end is penetrated to the leading end portion, when the fiber-optic signal processor is connected with charge pump, institute State charge pump and be connected to the water inlet valve port.
Preferably, the operating portion is connected with light pipe, the light pipe is connected with guide-lighting intercalation part, guide-lighting intercalation part Be circumscribed with signal transmission sleeve pipe, the Transmission Fibers by the telescope, light pipe, guide-lighting intercalation part, signal transmit sleeve pipe with The fiber-optic signal processor connection.
Preferably, being provided with fourth lane in the telescope, the camera module is arranged in the fourth lane, described Guide-lighting intercalation part includes photoelectricity plug, passes through cable connection between the photoelectricity plug and the camera module;It is and/or described Illuminating bundle passes through the light pipe, first passage, extends the port of the leading end portion.
Preferably, the end of the fibre optic compression sensor is coated with hydrogel layer.
Preferably, a diameter of 0.1mm~0.8mm of the fibre optic compression sensor.
Preferably, it is arranged with protection sleeve pipe outside the fibre optic compression sensor and/or outside the Transmission Fibers.
In addition, invention additionally discloses a kind of operating method of the electronics Flexible ureteroscope with real time monitoring function, electronics are defeated Urinary catheter soft lens includes telescope and the operating portion being connected with the telescope, and the telescope includes being located at the leading end portion of its end, described Leading end portion is provided with camera module, it is characterised in that the first passage for penetrating the leading end portion and second is provided with the telescope and is led to Road, illuminating bundle is fitted with the first passage, be provided with the second channel for monitoring work residing for the leading end portion Make the fibre optic compression sensor of pressure in region, fibre optic compression sensor is connected with Transmission Fibers, and the other end of Transmission Fibers connects Fiber-optic signal processor is connected to, operating method is as follows:
Automatically control:
The fiber-optic signal processor is connected with charge pump, and the fibre optic compression sensor positioned at leading end portion monitors leading end portion The pressure signal of residing working region, and charge pump is transferred to by the fiber-optic signal processor;
Default output pressure value is set on charge pump, when the pressure value that pressure signal monitors is less than default output pressure value When, the charge pump continues to irrigate perfusion liquid toward in working region;
When the pressure value that pressure signal monitors is more than default output pressure value, the charge pump stops toward working region Interior perfusion;
When pressure signal monitoring pressure value is fallen back to below default output pressure value again, the past work of restarting charge pump Perfusion liquid is irrigated in region;
And/or
Manual control:
The fiber-optic signal processor is connected with image display, and the fibre optic compression sensor positioned at leading end portion monitors elder generation The pressure signal of working region residing for end, and image display, operation doctor are transferred to by the fiber-optic signal processor By the pressure value changes on observed image display in raw art, work is adjusted manually by way of quick drainage or control valve Make pressure in region.
This operating method, use automatically controlling or controlling manually, or automatically controls and control the mode being combined manually To control the pressure of working region, because possessing the work(in real-time monitoring region in electronics Flexible ureteroscope in the present invention Can, and be transmitted by optical fiber, its transmission speed is fast, so its feedback is also quite timely, medical personnel can be allowed timely Judge to make counter-measure, or by irrigating the automatic control of pump come the pressure in adjustment work region, improve operation Security and success rate.
The other features and advantages of the invention will be detailed in following embodiment, accompanying drawing exposure.
【Brief description of the drawings】
The present invention is described further below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of electronics Flexible ureteroscope embodiment one of the present invention;
Fig. 2 is the cross-sectional view of leading end portion in electronics Flexible ureteroscope embodiment one of the present invention;
Fig. 3 is the schematic cross-section of A-A in Fig. 2;
Fig. 4 is the schematic cross-section of B-B in Fig. 2.
【Embodiment】
The technical scheme of the embodiment of the present invention is explained and illustrated with reference to the accompanying drawing of the embodiment of the present invention, but under It is only the preferred embodiments of the present invention to state embodiment, and not all.Based on the embodiment in embodiment, those skilled in the art Other embodiment is obtained on the premise of creative work is not made, belongs to protection scope of the present invention.
In the following description, occur the indicating position such as term " interior ", " outer ", " on ", " under ", "left", "right" or Position relationship is to be described based on orientation shown in the drawings or position relationship, description embodiment merely for convenience with simplified, and It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, because This is not considered as limiting the invention.
As shown in Figures 1 to 4, disclosed in the present embodiment it is that a kind of electronics ureter with real-time pressure monitoring function is soft Mirror, it is mainly used in observing kidney, ureter and smashes kidney, intra-ureteral calculus etc., the present embodiment includes telescope, operating portion 4th, light pipe 5, guide-lighting intercalation part 6, are provided with photoelectricity plug 61 on guide-lighting intercalation part 6, and the telescope in the present embodiment includes insertion Portion 3, bending section 2 and leading end portion 1, this part-structure is similar with traditional Flexible ureteroscope structure, does not illustrate excessively.The present embodiment Between 2.5mm~3.5mm, its active length is provided with middle its diameter of insertion section 3 between 650mm~750mm in the telescope The first passage 101 of insertion leading end portion 1, second channel 102, third channel 103, fourth lane 104, reference can be made in Fig. 2.
The present embodiment, preferably, first passage 101, second channel 102, third channel 103, fourth lane 104 are always Operating portion 4 is extended to, first passage 101, second channel 102, third channel 103, fourth lane 104 are phases in leading end portion 1 It is mutually independent, and in bending section 2, that section of insertion section 3 region, first passage 101, second channel 102, third channel 103, the Four-way 104 can be same passage or the passage being separated from each other.
Illuminating bundle 11 is installed, illuminating bundle 11 is usually that glass fibre is made, illuminating bundle 11 in first passage 101 Inserted by the photoelectricity plug 61, through light pipe 5, operating portion 4, insertion section 3, bending section 2, until reaching leading end portion 1, by medical science On illuminator of the cold light source as this electronics Flexible ureteroscope, this part in traditional electronics with peeping soft lens structural principle class Seemingly, do not illustrate excessively;
In second channel 102, the light of the pressure for monitoring the working region residing for the leading end portion 1 is installed Fine pressure sensor 12, its main operational principle of fibre optical sensor are to be transmitted the optical signal of light source by optical fiber, optical fiber Sensor has the advantages of fast very thin diameter, high sensitivity, transmission speed, strong antijamming capability, in view of its special transmission side Formula, fibre optic compression sensor 12 is typically to be transmitted using optical fiber, more elongated on the whole, and fibre optic compression sensor 12 itself Diameter can make very little, therefore be extremely suitable for use in electronics Flexible ureteroscope, because electronics Flexible ureteroscope is to volume, straight Footpath requires higher, and some volumes are larger or the sensor that is relatively large in diameter, can not be arranged on leading end portion 1 at all, and optical fiber Sensor meets this requirement just, and after being mounted with fibre optic compression sensor 12, its pressure signal monitored is exactly essence The pressure signal of working region residing for true leading end portion 1, positional precision error is not had, and due to being optical fiber transmission, pass Defeated speed is very fast, is truly realized real-time monitoring, and this electronics Flexible ureteroscope monitors the soft lens tip of collection in operation The port injection pressure in portion 1, i.e. perfusion liquid inject the perfusion hydraulic pressure of terminal prot, clinically, namely in soft lens operation in real time , it is most accurate, most have the Renal pelvic pressure data of clinical value, therefore the complication that can effectively reduce soft lens operation occur it is several Rate, improve the security of soft lens operation;
Fibre optic compression sensor 12 in the present embodiment, its pressure measurement scope is between 0~30mmHg, fibre optic compression sensor 12 are arranged on leading end portion 1, and fibre optic compression sensor 12 is connected with Transmission Fibers 13, and Transmission Fibers 13 can just be arranged on second , can be along second channel 102, operating portion 4, light pipe 5 in passage 102, and extend outside guide-lighting intercalation part 6, the present embodiment A diameter of 0.1mm~0.8mm of middle fibre optic compression sensor 12, and the overall length of Transmission Fibers 13 is in 2m~3m.
Third channel 103, also referred to as instrument channel or pincers deferent, can have a variety of effects, one of which in the present embodiment Function as perfusion to use, be provided with the operating portion 4 in the present embodiment into water valve port 43, the third channel 103 is connection institute State and directly can be arranged into water valve port 43 and leading end portion 1, perfusion liquid by valve port 43 of intaking, third channel 103 from the port of leading end portion 1 Go out;
During operation, by intaking, valve port 43 irrigates the perfusion liquids such as physiological saline, through third channel 103 up to leading end portion 1 Working region is injected in port, can obtain clearly surgical field of view, and part stone fragment can flow out body with perfusion liquid through soft lens guide sheath Outside;
Fourth lane 104, for installing camera module 14, the present embodiment is electronics Flexible ureteroscope, its camera module 14 It is made up of camera lens and CCD/CMOS imaging sensors, the diameter of CCD/CMOS imaging sensors images mould between 1mm~2mm Optical imagery is converted into electronic signal by group 14, is transmitted via cable 16, by the photoelectricity plug 61, into image controller Signal transacting is carried out, and the picture signal after processing is put in real time through vision cable incoming image display by image display Image is reflected, because this part is also the common technology of fujinon electronic video endoscope, is not also illustrated excessively, in the present embodiment on leading end portion 1 It is provided with the protection eyeglass 15 of protection camera module 14.
Because electronics Flexible ureteroscope is frequently necessary to disinfect, in order to prevent the operation such as sterilization from being passed to the optical fiber pressure Sensor 12, which produces damage etc., to be influenceed, and certain safeguard measure, the optical fiber are have also been made to fibre optic compression sensor 12 in the present embodiment The end of pressure sensor 12 is coated with hydrogel layer (not shown in Fig. 1 to 4), and hydrogel layer is preferably all to cover optical fiber The outer face of pressure sensor 12.The advantage of selection hydrogel layer is that hydrogel layer has good translucency, does not interfere with Pressure signal is monitored to fibre optic compression sensor 12, secondly hydrogel layer also has extraordinary resilient protection ability, can guarantee that Fibre optic compression sensor 12 does not sustain damage, furthermore hydrogel layer is coated on fibre optic compression sensor 12, being also equipped with sealing the The effect of two passages 102, play the effect of sealing waterproof and dustproof.
In order to preferably protect fibre optic compression sensor 12, the fibre optic compression sensor 12 is outer and/or the transmission It is arranged with protection sleeve pipe outside optical fiber 13, in the present embodiment, preferably fibre optic compression sensor 12, Transmission Fibers 13 are built in guarantor In protecting pipe, protection sleeve pipe is through second channel 102, operating portion 4, light pipe 5, and extends guide-lighting intercalation part 6, length For 2m~3m, protection sleeve pipe is not shown in Fig. 1 to 4.
In the present embodiment, the guide-lighting intercalation part 6 is connected with signal transmission sleeve pipe 7, and signal transmission sleeve pipe 7, which is used to protect, to be passed Fibre 13 is lost, Transmission Fibers 13 are connected with a Signal plug 8 through signal transmission sleeve pipe 7, and the Signal plug 8 is connected to one On fiber-optic signal processor (Fig. 1 to Fig. 4 is not shown), the fibre optic compression sensor 12 in second channel 102, visit in real time The pressure of the place working region of leading end portion 1 is surveyed, and pressure data is converted into optical signal, through insertion section 3, operating portion 4, light pipe 5th, guide-lighting intercalation part 6, Signal plug 8 are transmitted to fiber-optic signal processor.In addition, in order to protect Signal plug 8, without using In the state of, disinfection cap 81 is socketed with Signal plug 8.
Fiber-optic signal processor is context means that the terminal for being received, being handled to signal, usually FISO signals Conditioner, FISO signal conditioners show fibre optical sensor information with liquid crystal display the model of FISO signal conditioners can be more Kind selection, such as single channel OEM versions signal conditioner, binary channels OEM versions signal conditioner, single channel signal conditioner, Multi channel signals condiment, medical grade signal conditioner, it is generally preferable to be single channel signal conditioner.
Signal is preferably carried out branch process by fiber-optic signal processor, wherein signal transmits that (Fig. 1 is extremely to charge pump all the way Fig. 4 is not shown), according to operation needs, real-time automatic output pressure and flow;Another way signal is transmitted to image display, real When show that working region irrigates hydraulic pressure, it is convenient to operate doctor's observation in time and judge to irrigate variation in water pressure in kidney, and make in time Corresponding countermeasure.
Certainly it should be noted that in other embodiments, fiber-optic signal processor is not limited to signal branch This embodiment is handled, charge pump can be transmitted only to, or is only transmitted to image display, these embodiments are each fallen within In protection scope of the present invention.
In addition, also including being used for the adjusted device for bending section 2 bend regulation in the present embodiment, adjusted device includes Crank handle 41 and crooked assembly 42, crank handle 41 are located on operating portion 4, stir crank handle 41, accordingly can be adjusted and be controlled Bending section processed bending direction and angle of bend about 2, while also it is adjusted in synchronism and controls the direction of observation and viewing angle of leading end portion 1 Degree, bending section maximum bend angle >=275 ° about 2.
Crank handle 41, built-in rotating wheel hub, by the traction steel wire in rotating wheel hub, the diameter of traction steel wire exists 0.2mm~0.5mm, the tuning and flexure operation of bending section 2 are adjusted, when reaching optimal viewing direction, crank handle can be passed through Lock-button on 41, crooked assembly 42 is locked, keep angle of bend and bending direction needed for operation.Due to crank handle 41, Crooked assembly 42, these architectural features of bending section 2 are structures more conventional in Flexible ureteroscope, are not illustrated excessively.
Preferably, the function buttons such as " taking pictures ", " amplification ", " white balance " can be set on operating portion 4 in the present embodiment, For controlling or adjusting the shooting of camera module 14.In addition, setting the interface 62 that leaks hunting in the present embodiment on guide-lighting intercalation part 6, survey Missing mouth 62 is connected with light pipe 5, user before every use, after use, before cleaning and sterilizing, toward the interface that leaks hunting 62, inject the gas of certain pressure, after confirming that electron flexible cystoscope is excellent, just usable or cleaning and sterilizing.
The concrete operation method of the present embodiment, mainly automatically control and be combined with manual control;
Automatically control:
The fiber-optic signal processor is connected with charge pump, and the fibre optic compression sensor 12 positioned at leading end portion 1 monitors elder generation The pressure signal of working region residing for end 1, and charge pump is transferred to by the fiber-optic signal processor;
Default output pressure value is set on charge pump, when the pressure value that pressure signal monitors is less than default output pressure value When, the charge pump continues to irrigate perfusion liquid toward in working region, and default output pressure value is generally arranged at 30mmHg;
When the pressure value that pressure signal monitors is more than default output pressure value, the charge pump stops toward working region Interior perfusion perfusion liquid;
When pressure signal monitoring pressure value is fallen back to below default output pressure value again, the past work of restarting charge pump Perfusion liquid is irrigated in region;
Manual control:
The fiber-optic signal processor is connected with image display, and the fibre optic compression sensor 12 positioned at leading end portion 1 monitors Image display is transferred to the pressure signal of the working region residing for leading end portion 1, and by the fiber-optic signal processor, is used Family is by the pressure value changes on observed image display, the manual adjustment work area by way of quick drainage or control valve Pressure in domain.
It should be noted that it is using automatically controlling and by the way of manual control is combined, in its other party in the present embodiment In formula or individually with automatically controlling, or the independent mode manually controlled, these operating methods also fall into the present invention Protection domain in.
In addition, the present invention also discloses the operation method to kidney stone under a kind of Flexible ureteroscope based on this electronics, specifically Flow is as follows:
(1) take a ureterscopy, guiding wire inserted in ureterscopy retrograde, along seal wire mirror to UPJ, and The tube wall of the ureteroscope of urethral orifice carries out mark;
(2) indwelling seal wire, the ureterscopy exited in the first step;
(3) suitable soft lens guide sheath (containing obturator) is selected according to patient gender, age, physique, with regard to adult patient Speech, generally women selection work length 35cm, male's selection work length 45cm soft lens guide sheath (containing obturator);
(4) front port of the soft lens guide sheath containing obturator is concordant with the port of ureteroscope, guide sheath sheath wall is marked The scale of knowledge corresponds to the mark of the tube wall of ureteroscope, and this corresponding scale is the length terminal that soft lens guide sheath enters human body;
(5) seal wire is penetrated in the obturator front end tip channel of soft lens guide sheath, ureteroscope is inserted urethra, until Bladder, then soft lens guide sheath is under the guiding of seal wire, into bladder, and under the monitoring of ureterscopy, into ureter Opening, be then log out ureterscopy;
(6) under the guiding of seal wire, soft lens guide sheath is delivered in the 4th step at the corresponding scale identified, exits closed pore Device, optionally now, the length of soft lens guide pins can be monitored by C arms X-ray machine and determines calculus position;
(7) by the electronics Flexible ureteroscope with real-time pressure monitoring function, i.e. the present embodiment connects charge pump, according to clinic Operation needs, and the working region pressure security upper limit (not above 30mmHg) is set on charge pump, and complete electronics in vitro The test of bending property up and down, the Real-Time Perfusion pressure monitoring functional test of Flexible ureteroscope, after having tested, by the present embodiment along soft Mirror guide sheath enters in kidney;
(8) seal wire is exited, by adjusting the adjusted device in the present embodiment on operating portion 4, i.e. crank handle 41, reaches tune Bent-segment portion 2 turns to and bent, until finding calculus;
(9) by taking the treatment of lower calyx calculus as an example, first with calculus catching net-like means calculus is entangled as far as possible and upper small cup in moving to is (through the Triple channel 103 enters any apparatus, such as calculus catching net-like means, laser fiber, seal wire, it is necessary to resets bending section 2 and stretches, similarly hereinafter), this Operation can reduce the bending of the electronics Flexible ureteroscope bending section 2 with real-time pressure monitoring function of this case, mitigate laser fiber Loss;Can also evade as far as possible causes the angle of bend of bending section 2 to reduce because third channel 103 inserts laser fiber, influences soft The problem of sem observation and operation technique;Laser fiber can also be reduced may be after the fatigue break of bending section 2, through the place's laser that fractures Transmitting, puncture bending section 2 and bending snake bone, or even damage the failure Probability of soft lens;
(10) after calculus being moved into middle small cup or upper small cup, calculus catching net-like means are exited, insert laser fiber, need to adjust laser depending on operation Energy is exported, or can be by patient's Self-discharged by calculus powdered, most powdered stone fragments.Also can be through soft lens in art Guide sheath is flow in vitro with perfusion liquid.Or calculus is fragmented, with calculus catching net-like means by fragment set to external;
(11) checked through the camera module 14 in the present embodiment or C arms X-ray machine perspective are lower, confirm no retained calculus.Exit The present embodiment, guiding wire is inserted through soft lens guide sheath, exits soft lens guide sheath, double J of dimension are inserted through seal wire guiding Pipe, double J pipe bladder section placement location is checked with ureterscopy, if position is preferable, seal wire is exited, exits ureterscopy, Indwelling three-cavity catheter and drainage bag, complete operation.
In the overall process of this example operation, electronics with real-time pressure monitoring function of the perfusion liquid through this case that charge pump pumps out In Flexible ureteroscope pincers deferent injection kidney, to provide clear surgical field of view.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, and is familiar with The those skilled in the art should be understood that the present invention includes but is not limited to accompanying drawing and interior described in embodiment above Hold.The modification of any function and structure principle without departing from the present invention is intended to be included in the scope of claims.

Claims (10)

1. a kind of electronics Flexible ureteroscope with real-time pressure monitoring function, including telescope and the operation that is connected with the telescope Portion, the telescope include being located at the leading end portion of its end, and the leading end portion is provided with camera module, it is characterised in that the telescope It is interior to be provided with the first passage and second channel for penetrating the leading end portion, it is fitted with illuminating bundle in the first passage, described the Fibre optic compression sensor for monitoring pressure in working region residing for the leading end portion is installed in two passages.
2. the electronics Flexible ureteroscope with real-time pressure monitoring function as claimed in claim 1, it is characterised in that described second Transmission Fibers are provided with passage, described Transmission Fibers one end is connected with the fibre optic compression sensor, the Transmission Fibers it is another One end is connected with fiber-optic signal processor.
3. the electronics Flexible ureteroscope with real-time pressure monitoring function as claimed in claim 2, it is characterised in that the optical fiber Signal processor is connected with charge pump;And/or the fiber-optic signal processor is connected with image display.
4. the electronics Flexible ureteroscope with real-time pressure monitoring function as claimed in claim 3, it is characterised in that the telescope Interior to be provided with third channel, the operating portion is provided with water inlet valve port, and described third channel one end connects with water inlet valve port, the other end Insertion is to the leading end portion, and when the fiber-optic signal processor is connected with charge pump, the charge pump is connected to the water intaking valve Mouthful.
5. the electronics Flexible ureteroscope with real-time pressure monitoring function as claimed in claim 3, it is characterised in that the operation Portion is connected with light pipe, and the light pipe is connected with guide-lighting intercalation part, and guide-lighting intercalation part is circumscribed with signal transmission sleeve pipe, the biography Fibre is lost to transmit sleeve pipe by the telescope, light pipe, guide-lighting intercalation part, signal and be connected with the fiber-optic signal processor.
6. the electronics Flexible ureteroscope with real-time pressure monitoring function as claimed in claim 5, it is characterised in that the telescope Interior to be provided with fourth lane, the camera module is arranged in the fourth lane, and the guide-lighting intercalation part includes photoelectricity plug, institute State and pass through cable connection between photoelectricity plug and the camera module;And/or the illuminating bundle is through the light pipe, the One passage, extend the port of the leading end portion.
7. the electronics Flexible ureteroscope with real-time pressure monitoring function as described in one of claim 1 to 6, it is characterised in that The end of the fibre optic compression sensor is coated with hydrogel layer.
8. the electronics Flexible ureteroscope with real-time pressure monitoring function as described in one of claim 1 to 6, it is characterised in that A diameter of 0.1mm~0.8mm of the fibre optic compression sensor.
9. the electronics Flexible ureteroscope with real-time pressure monitoring function as described in one of claim 2 to 6, it is characterised in that Protection sleeve pipe is arranged with outside the fibre optic compression sensor and/or outside the Transmission Fibers.
10. a kind of operating method of the electronics Flexible ureteroscope with real time monitoring function, electronics Flexible ureteroscope include telescope and The operating portion being connected with the telescope, the telescope include being located at the leading end portion of its end, and the leading end portion is provided with camera module, Characterized in that, the first passage and second channel for penetrating the leading end portion, the first passage interpolation are provided with the telescope Equipped with illuminating bundle, the optical fiber pressure for monitoring pressure in working region residing for the leading end portion is installed in the second channel Force snesor, fibre optic compression sensor are connected with Transmission Fibers, and the other end of Transmission Fibers is connected with fiber-optic signal processor, behaviour It is as follows to make method:
Automatically control:
The fiber-optic signal processor is connected with charge pump, and the fibre optic compression sensor positioned at leading end portion is monitored residing for leading end portion Working region pressure signal, and charge pump is transferred to by the fiber-optic signal processor;
Default output pressure value is set on charge pump, when the pressure value that pressure signal monitors is less than default output pressure value, The charge pump continues to irrigate perfusion liquid toward in working region;
When the pressure value that pressure signal monitors is more than default output pressure value, the charge pump stops filling toward in working region Note perfusion liquid;
When pressure signal monitoring pressure value is fallen back to below default output pressure value again, charge pump is restarted toward working region Interior perfusion perfusion liquid;
And/or
Manual control:
The fiber-optic signal processor is connected with image display, and the fibre optic compression sensor positioned at leading end portion monitors leading end portion The pressure signal of residing working region, and image display is transferred to by the fiber-optic signal processor, user passes through sight Pressure value changes on altimetric image display, the manual adjustment work region internal pressure by way of quick drainage or control valve Power.
CN201710574426.1A 2017-07-14 2017-07-14 A kind of electronics Flexible ureteroscope and its operating method with real-time pressure monitoring function Pending CN107440672A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108760142A (en) * 2018-09-06 2018-11-06 安徽省幸福工场医疗设备有限公司 Pressure measurement endoscope, pressure detecting system, compress control method
CN108814689A (en) * 2018-06-12 2018-11-16 南昌大学 A kind of differential type diaphragm optical fiber pressure capsule system
CN108939181A (en) * 2018-07-27 2018-12-07 焦作天裕精密光学有限公司 A kind of interactive visual catheter is helped into mirror and urethral catheterization device
CN109009175A (en) * 2018-06-20 2018-12-18 成都维信电子科大新技术有限公司 A kind of urodynamic analysis instrument fluid path connection transfer device
CN109199584A (en) * 2018-10-31 2019-01-15 成都市新都区人民医院 A kind of method for posting of Flexible ureteroscope sheath
CN109846521A (en) * 2019-02-12 2019-06-07 吴小军 Direct-viewization ureter guide sheath
CN110353620A (en) * 2019-06-19 2019-10-22 杭州法博激光科技有限公司 Flexible ureteroscope with Renal pelvic pressure monitoring
WO2020131461A1 (en) * 2018-12-20 2020-06-25 Boston Scientific Scimed, Inc. Endoscope system with a shaft including a sensor
CN111419164A (en) * 2019-08-20 2020-07-17 杭州法博激光科技有限公司 Soft lens device
WO2021070831A1 (en) * 2019-10-07 2021-04-15 学校法人関西医科大学 Perfusate supply system and method for controlling perfusion device
CN113349727A (en) * 2021-06-09 2021-09-07 湖南中聚内窥镜有限公司 Electronic ureter endoscope
CN113367795A (en) * 2021-05-31 2021-09-10 浙江大学 Ureteroscope soft lens with magnetic positioning function and ureteroscope pose estimation system
CN113384229A (en) * 2021-06-17 2021-09-14 湖南中聚内窥镜有限公司 Electronic cystoscope
CN115281587A (en) * 2022-06-30 2022-11-04 中国科学院自动化研究所 Method and device for controlling flexible endoscope robot

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1954768A (en) * 2005-09-30 2007-05-02 伊西康公司 Method of detecting connection of test port on an endoscope
CN101461703A (en) * 2007-12-21 2009-06-24 奥林巴斯医疗株式会社 Endoscope washing and disinfecting apparatus and leak detection method performed by the apparatus
CN202207132U (en) * 2011-08-30 2012-05-02 杭州好克光电仪器有限公司 Flexible electronic cystoscope
CN104055509A (en) * 2014-07-04 2014-09-24 武汉汉双技术有限公司 Endoluminal surgery pressure monitoring system, adjusting system and method
CN104146699A (en) * 2014-08-25 2014-11-19 武汉大学 Intrarenal pressure monitoring and control system
CN203970336U (en) * 2014-07-04 2014-12-03 武汉汉双技术有限公司 The endoscope assembly of measuring for cavity pressure
CN106388761A (en) * 2016-10-18 2017-02-15 广州医科大学附属第医院 Real time wireless pressure measuring endoscope in mirror front end
CN106691362A (en) * 2015-07-31 2017-05-24 上海圣博艾医疗科技有限公司 Endoscope
CN106821400A (en) * 2017-03-14 2017-06-13 重庆工商大学 A kind of method and system based on fiber-optic monitoring bladder pressure
CN208339487U (en) * 2017-07-14 2019-01-08 广州医科大学附属第一医院 Electronics Flexible ureteroscope with real-time pressure monitoring function

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1954768A (en) * 2005-09-30 2007-05-02 伊西康公司 Method of detecting connection of test port on an endoscope
CN101461703A (en) * 2007-12-21 2009-06-24 奥林巴斯医疗株式会社 Endoscope washing and disinfecting apparatus and leak detection method performed by the apparatus
CN202207132U (en) * 2011-08-30 2012-05-02 杭州好克光电仪器有限公司 Flexible electronic cystoscope
CN104055509A (en) * 2014-07-04 2014-09-24 武汉汉双技术有限公司 Endoluminal surgery pressure monitoring system, adjusting system and method
CN203970336U (en) * 2014-07-04 2014-12-03 武汉汉双技术有限公司 The endoscope assembly of measuring for cavity pressure
CN104146699A (en) * 2014-08-25 2014-11-19 武汉大学 Intrarenal pressure monitoring and control system
CN106691362A (en) * 2015-07-31 2017-05-24 上海圣博艾医疗科技有限公司 Endoscope
CN106388761A (en) * 2016-10-18 2017-02-15 广州医科大学附属第医院 Real time wireless pressure measuring endoscope in mirror front end
CN106821400A (en) * 2017-03-14 2017-06-13 重庆工商大学 A kind of method and system based on fiber-optic monitoring bladder pressure
CN208339487U (en) * 2017-07-14 2019-01-08 广州医科大学附属第一医院 Electronics Flexible ureteroscope with real-time pressure monitoring function

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108814689B (en) * 2018-06-12 2024-06-04 南昌大学 Differential diaphragm optical fiber pressure sensing system
CN108814689A (en) * 2018-06-12 2018-11-16 南昌大学 A kind of differential type diaphragm optical fiber pressure capsule system
CN109009175B (en) * 2018-06-20 2020-10-23 成都维信电子科大新技术有限公司 Liquid path connection conversion device of urodynamics analyzer
CN109009175A (en) * 2018-06-20 2018-12-18 成都维信电子科大新技术有限公司 A kind of urodynamic analysis instrument fluid path connection transfer device
CN108939181A (en) * 2018-07-27 2018-12-07 焦作天裕精密光学有限公司 A kind of interactive visual catheter is helped into mirror and urethral catheterization device
CN108760142B (en) * 2018-09-06 2024-04-02 安徽省幸福工场医疗设备有限公司 Pressure measuring endoscope, pressure detecting system and pressure control method
CN108760142A (en) * 2018-09-06 2018-11-06 安徽省幸福工场医疗设备有限公司 Pressure measurement endoscope, pressure detecting system, compress control method
CN109199584A (en) * 2018-10-31 2019-01-15 成都市新都区人民医院 A kind of method for posting of Flexible ureteroscope sheath
WO2020131461A1 (en) * 2018-12-20 2020-06-25 Boston Scientific Scimed, Inc. Endoscope system with a shaft including a sensor
US12016529B2 (en) 2018-12-20 2024-06-25 Boston Scientific Scimed, Inc. Endoscopic scope device with a sensor
CN113242708A (en) * 2018-12-20 2021-08-10 波士顿科学医学有限公司 Endoscope system having a shaft including a sensor
CN109846521A (en) * 2019-02-12 2019-06-07 吴小军 Direct-viewization ureter guide sheath
CN110353620A (en) * 2019-06-19 2019-10-22 杭州法博激光科技有限公司 Flexible ureteroscope with Renal pelvic pressure monitoring
CN111419164A (en) * 2019-08-20 2020-07-17 杭州法博激光科技有限公司 Soft lens device
WO2021070831A1 (en) * 2019-10-07 2021-04-15 学校法人関西医科大学 Perfusate supply system and method for controlling perfusion device
JP2021058422A (en) * 2019-10-07 2021-04-15 学校法人関西医科大学 Perfusate supply system and perfusion device control method
CN113367795A (en) * 2021-05-31 2021-09-10 浙江大学 Ureteroscope soft lens with magnetic positioning function and ureteroscope pose estimation system
CN113349727A (en) * 2021-06-09 2021-09-07 湖南中聚内窥镜有限公司 Electronic ureter endoscope
CN113384229A (en) * 2021-06-17 2021-09-14 湖南中聚内窥镜有限公司 Electronic cystoscope
CN113384229B (en) * 2021-06-17 2023-10-27 湖南中聚内窥镜有限公司 Electronic cystoscope
CN115281587A (en) * 2022-06-30 2022-11-04 中国科学院自动化研究所 Method and device for controlling flexible endoscope robot
CN115281587B (en) * 2022-06-30 2023-08-04 中国科学院自动化研究所 Method and device for controlling flexible endoscope robot

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