65 results about "Flexible ureteroscope" patented technology

The invention discloses a minimally-invasive interventional operation robot for the urinary surgery. A flexible ureteroscope lifting module comprises a lifting table and a linear module fixing rack, the lifting table can adjust the height of a flexible ureteroscope and a sickbed, and the fixing rack is connected with the lifting table and a linear module; a flexible ureteroscope pushing module comprises a pushing mechanism and a flexible ureteroscope supporting mechanism, and can be used for pushing the flexile ureteroscope, and the supporting mechanism is used for providing a flexible part supporting force for the flexible ureteroscope; a flexible ureteroscope rotating module comprises a rotating shaft and a gear and drives the rotating shaft to rotate through rotation of a motor; a flexible ureteroscope bending module comprises flexible ureteroscope fixing support, a flexible ureteroscope carrying platform and a U-type knob which is matched with a flexible ureteroscope bending knob,and the flexible ureteroscope bending knob rotates along with rotation of the U-type knob. The minimally-invasive interventional operation robot can help a doctor to operate the flexible ureteroscopecorrespondingly during the surgery, relieve fatigue caused by the long-time surgery of the doctor, increase the speed of the surgery, and collect force data of flexible ureteroscope motion during thesurgery.

The invention discloses a combined rigid ureteroscope which comprises a rigid ureteroscope body and a tubular sheath which is sheathed outside a tubular part of the ureteroscope body, wherein a starting end of the sheath is tightly attached to the tubular part of the ureteroscope body; the rear end of the sheath is equipped with a locking mechanism; a locking part is arranged between the tubular part and an operation part of the ureteroscope body; and the locking mechanism is matched with the locking part so as to lock or loosen the rigid ureteroscope body and the tubular sheath. By adopting the combined rigid ureteroscope,, the locking mechanism between the ureteroscope body and the sheath can be loosened during operations for examination, diagnosis and treatment of ureter and kidney, the rigid ureteroscope body and the sheath can be separated, and the sheath is left in the ureter and utilized as a channel through which broken stones can be repeatedly taken out for multiple times or the ureteroscope body separately gets in and out of the ureter as well as an operation channel of a flexible ureteroscope, thereby saving the operation procedures, shortening the operation time and improving the operation safety; and moreover, in some operation procedures, the rigid ureteroscope can be used instead to implement projects that must be implemented by the flexible ureteroscope before,thereby avoiding the problems of difficult operation and easy damage of the flexible ureteroscope, and actually realizing safe, effective and low-cost clinical treatment.

Disclosed is a combined rigid ureteroscope which comprises a rigid ureteroscope body and a tubular sheath outwardly fitted on a tubular part of the ureteroscope body. A starting end of the sheath is closely engaged with the tubular part of the ureteroscope body. A locking mechanism is provided at a rear end of the sheath. A locking part is provided between the tubular part of the ureteroscope body and an operation part of the ureteroscope body. The locking mechanism is cooperated with the locking part to lock or unlock the rigid ureteroscope body and the tubular sheath. In operations of examining, diagnosing and treating the ureter and the kidney by employing this invention, it saves operation procedures, shortens operation time, improves operation safety, avoids problems of difficult operation and easy damage of the flexible ureteroscope, and realizes safety, effectiveness and low cost in the clinical treatment.

The invention discloses an electronic flexible ureteroscope with a real-time pressure monitoring function, and belongs to the field of endoscopic medical instruments. The electronic flexible ureteroscope comprises a lens tube and an operation part connected with the lens tube, wherein the lens tube comprises a tip portion arranged at the end of the lens tube, the tip portion is provided with a camera module, a first channel and a second channel communicating with the tip portion are arranged in the lens tube, an illumination beam is inserted in the first channel, and a fiber optic pressure sensor used for monitoring the pressure in the working area where the tip portion is located is mounted in the second channel. The invention further discloses an operation method of the electronic flexible ureteroscope with the real-time pressure monitoring function. According to the method, the pressure in the working area is regulated in real time through automatic control and / or manual control. The electronic flexible ureteroscope with the real-time pressure monitoring function and the operation method thereof have the advantages that pressure change in the working area of the flexible ureteroscope can be monitored accurately in real time, and the pressure in the working area can be adjusted in time so as to improve the safety and success rate of surgery.

The invention discloses a minimally-invasive interventional operation robot for the urinary surgery. A flexible ureteroscope lifting module comprises a lifting table and a linear module fixing rack, the lifting table can adjust the height of a flexible ureteroscope and a sickbed, and the fixing rack is connected with the lifting table and a linear module; a flexible ureteroscope pushing module comprises a pushing mechanism and a flexible ureteroscope supporting mechanism, and can be used for pushing the flexile ureteroscope, and the supporting mechanism is used for providing a flexible part supporting force for the flexible ureteroscope; a flexible ureteroscope rotating module comprises a rotating shaft and a gear and drives the rotating shaft to rotate through rotation of a motor; a flexible ureteroscope bending module comprises flexible ureteroscope fixing support, a flexible ureteroscope carrying platform and a U-type knob which is matched with a flexible ureteroscope bending knob,and the flexible ureteroscope bending knob rotates along with rotation of the U-type knob. The minimally-invasive interventional operation robot can help a doctor to operate the flexible ureteroscopecorrespondingly during the surgery, relieve fatigue caused by the long-time surgery of the doctor, increase the speed of the surgery, and collect force data of flexible ureteroscope motion during thesurgery.

Provided is a disposable flexible ureteroscope device. The front end of a cannula is in a hard, slightly-thin and integrally metal structure and convenient for insertion. The interior of the cannula is equipped with a miniature camera shooting module composed of a miniature lens having a miniature image sensing chip and a miniature illumination module. The bending part of an insertion tube in themiddle segment of the cannula is composed of two parts including an active bending tube and a passive bending tube in order to achieve two-way bending. The cannula internally comprises a working passage, cables and steel wire limiting grooves. An insertion tube at the back segment of the cannula is connected with a handle through a handle insertion tube opening. A connecting wire of the miniatureimage sensing chip is connected with a handle data interface at the back end of the handle through the cables. The handle is connected with a host through a data line. The host is connected with a monitor and a computer or a mobile terminal. The French perimeter of a cross section at the front end of the insertion tube is shortened as much as possible in order to alleviate the pain of a patient. The high-resolution miniature camera shooting module is adopted. The French perimeters of the miniature image sensing chip and the lens are 3.82 Fr. The optical effect and the image definition are greatly enhanced. The resolution ratio is no less than 160 thousand pixels, which is convenient for a doctor to perform a surgery for disposable use.

A double-cavity work sheath of a flexible ureteroscope comprises a double-cavity sheath pipe and a trumpet-shaped apparatus acceptance portion. The double-cavity sheath pipe is a flexible pipe with the length ranging from 300 mm to 500 mm, and the double-cavity sheath pipe is provided with two passageway holes, wherein one of the passageway holes serves as a main work passageway with the hole circumference ranging from 13 mm to 15 mm, and the other hole serves as a water injecting passageway with the hole circumference ranging from 3 mm to 5 mm. A far-end hole of the main work passageway of the double-cavity sheath pipe and a far-end hole of the water injecting passageway are both formed in an axial end surface of the double-cavity pipe. The small-opening end of the trumpet-shaped apparatus acceptance portion is fixedly connected with the double-cavity sheath pipe, and the trumpet-shaped apparatus acceptance portion is provided with a trumpet-shaped opening which is communicated with the main work passageway and a water hose connector which is communicated with the water injection passageway, wherein the water hose connector is arranged at the outer side wall of the apparatus acceptance portion, and the water hose connector extends out of the big-opening end of the trumpet-shaped opening. The double-cavity work sheath of the flexible ureteroscope has the advantages that the structure is simple, the price is low, the calculus removing rate is improved and medical burdens and pains of patients are reduced.

The invention relates to a disposable electronic flexible ureteroscope operation actuator. The disposable electronic flexible ureteroscope operation actuator comprises a clamping part, a control partand a bottom plate (102) for separating the clamping part from the control part, wherein the clamping part is configured to fixedly mount a disposable electronic flexible ureteroscope, and it is ensured that the disposable electronic flexible ureteroscope does not shake in the examination process. The control part is configured to communicate with an external control device through a cable to obtain an action instruction, and then drives the disposable electronic flexible ureteroscope to complete an inspection action. The disposable electronic flexible ureteroscope operation actuator is adopted to replace handheld operation of a doctor, a surgical robot clamps the disposable electronic flexible ureteroscope operation actuator to control the disposable electronic flexible ureteroscope, thelabor intensity of the doctor is reduced, the examination efficiency of the doctor is improved, and the risk of cross infection is reduced.

The invention discloses a combined-type flexible ureteroscope sheath part capable of conducting continuous lavaging and sucking. The combined-type flexible ureteroscope sheath part solves the problemthat blood clots and broken calculi in the kidney cannot be effectively discharged in ureteroscopic lithotripsy. A continuous lavaging system formed by an inner sheath canal and an outer sheath body has the advantage of efficiently removing the calculi, the operation success rate for the first time is increased so that the ureteroscopic lithotripsy can process the renal calculi of 2 cm or above, and the operation indication is expanded. According to the technical scheme, the combined-type flexible ureteroscope sheath part comprises the outer sheath body, the inner sheath pipe is detachably andcombinedly arranged in the outer sheath body, and the working end of the inner sheath pipe stretches out of the working end of the outer sheath body for a certain length; a negative pressure suctionopening is formed in the non-working end of the outer sheath body; the outer sheath part and the inner sheath pipe form the continuous lavaging system of which the inner sheath pipe conducts continuous lavaging inwards and the outer sheath body conducts continuous negative pressure suction, and foreign matter in the ureteroscopic lithotripsy is taken out.

The disclosure provides a robot operated flexible ureteroscope anti-bending mechanism comprising a sliding sleeve, a sliding sleeve fixing member, a polished rod, a distance measuring substrate, a distance measuring shaft, a distance measuring wheel, a first belt wheel, a linkage device and a clamping device; the sliding sleeve fixing member is nested on the sliding sleeve; the polished rod is nested in one end of the sliding sleeve, the polished rod is slidingly connected with the sliding sleeve, the distance measuring substrate is connected with the polished rod, the distance measuring shaftis connected with the distance measuring substrate, the distance measuring wheel is arranged on the distance measuring shaft in a sleeving manner and is connected with the distance measuring substrate, the first belt wheel is arranged on the distance measuring shaft in a sleeving manner and is connected with the distance measuring substrate, the linkage device is connected with the distance measuring wheel and the sliding sleeve, and the clamping device is connected with the first belt wheel via a synchronous belt. Via the mechanism disclosed in the disclosure, a flexible ureteroscope can beprevented from being bent during push processes, and the mechanism can be combined with a robot system; the mechanism is high in precision, stable in motion and high in safety and reliability.

A ureteroscope system includes a handle including a first port and a second port and an elongated shaft extending from the handle to a distal end and including a shaft lumen open at the distal end of the shaft. The shaft is be inserted through a bodily lumen to a target surgical site. The first port is in communication with a handle channel which is in communication with the shaft lumen and the second port is in communication with a working channel extending through the handle and the shaft lumen to the distal end of the shaft. The system also includes a fluid source connected to the first port and pumps fluid through the handle channel and the shaft lumen to irrigate the site and a vacuum source connected to the second port and applies suction through the working channel to dislodge debris from the site.

The invention relates to a visible ureteroscope dilatation balloon and a use method thereof. A joint assembly is internally provided with a gas guiding passage, a hard catheter is detachably and fixedly clamped to one end of the joint assembly, one end of the hard catheter is communicated with the gas guiding passage, the other end of the hard catheter is communicated with a soft catheter, the soft catheter is provided with a balloon body, the head of the balloon body is provided with a soft guiding head, and a guiding wire penetrates through the soft catheter, the balloon body and the soft guiding head. According to the visible ureteroscope dilatation balloon and the use method thereof, through the arrangement of the hard catheter and the joint assembly detechably and fixedly clamped to the hard catheter, the hard catheter can be detached and inserted from the far end of a flexible ureteroscope, penetrates out of the near end and is fixedly clamped to the joint assembly, the dilatation balloon and the flexible ureteroscope are used together, and the situation is avoided that in the prior art, the ureteroscope is used for examination at first and then the dilatation balloon is usedfor dilatation, so that positioning is inaccurate, and perforation or rupture of ureters is caused.

The invention discloses an intelligent lithotripsy system which is used in laser lithotripsy operation. The intelligent lithotripsy system consists of a laser lithotripsy machine, a flexible ureteroscope system, a display, a perfusion system and a main machine, wherein the laser fiber of the laser lithotripsy machine is capable of being fed into a human body through a working channel of a flexibleureteroscope; and the main machine receives an intracorporeal focus environment detected by the tip end of the flexible ureteroscope and judges the size of urinary stone and the distance between thetip end of the laser fiber and the urinary stone through an image recognition technique and a distance sensor mounted in the flexible ureteroscope. By adopting the intelligent lithotripsy system, whether a laser generator can be powered on or not can be judged according to a preset safe distance table, in addition, images can be automatically recognized through big data and artificial intelligence, situations of the urinary stone can be judged according to the images together with environment information such as temperatures, and suggestions about optimal laser pulse energy and laser pulse time can be provided for doctors.

The invention relates to the technical field of medical apparatus and instruments, and particularly discloses an electronic flexible ureteroscope, a system and a using method. The electronic flexibleureteroscope comprises a flexible ureteroscope body in a hose shape and a lens bracket arranged at the front end of the flexible ureteroscope body, wherein a lens is arranged in the lens bracket, an energy output channel is formed in the flexible ureteroscope body, an energy output part can be arranged in the energy output channel, a hydraulic pressure detection channel is arranged in the flexibleureteroscope body, the front end of the hydraulic pressure detection channel extends to the front end surface of the lens bracket, and a hydraulic pressure sensor is fixed in the hydraulic pressure detection channel. The system comprises a handle, an electronic endoscopy image processor, an energy instrument, a temperature measuring instrument, a pressure measuring instrument and an endoscope irrigation system. According to the using method, when pressure intensity, detected by the hydraulic pressure sensor, in a cavity is larger than a limiting value, alarm can be sent out, a user is reminded to change energy output of the energy instrument, and the conditions that urosepsis is caused and even the patient's life is endangered due to the fact that fluid flows reversely and substances containing bacteria, toxins and pyrogen are brought into blood under too high hydraulic pressure are avoided.

The invention belongs to the field of medical instruments, in particular relates to a detachable and telescopic flexible ureteroscope sheath. The detachable and telescopic flexible ureteroscope sheath comprises a tail part, a sheathing canal part and an inner core, wherein the tail part comprises a fastening buckle connecting part and a negative pressure suction part which are movably connected; the sheathing canal part is of a two-section structure and comprises a front section sheathing canal and a rear section sheathing canal which are connected in a sleeving way; the tail part and the sheathing canal part are connected together through the locking of the fastening buckle connecting part and the rear section sheathing canal; the inner core can be inserted in the fastening buckle connecting part and the sheathing canal part. According to the detachable and telescopic flexible ureteroscope sheath disclosed by the invention, the imbedding of the detachable and telescopic flexible ureteroscope sheath under the direct endoscope observation is realized, the operation difficulty is reduced, the operation safety is ensured, the success rate of one-stage operation is increased, and an immediate stone cleaning effect is increased; the demands of operation personnel on different lengths of sheathing canals in an operation can be met to the maximum, and convenience is provided for surgical operation.

A scope device includes a shaft, a deflectable portion, and a handle portion. The shaft is inserted through a body lumen to a target area within a body. The shaft defines first and second lumens extending along a proximal portion thereof. The first and second lumens are merged to form a common lumen along a distal portion thereof via a fitting having a structure which, when connected to the first and second lumens, converge the first and second lumens toward the common lumen. The deflectable portion is connected to the distal end of the shaft and includes a channel aligned with and in communication with the common lumen. The handle portion includes a connector having a first hub including a first channel open to and in communication with the first lumen and a second hub including a second channel open to and in communication with the second lumen.

The invention discloses a flexible ureteroscope sheath and a continuous circulation type perfusion and suction system. The flexible ureteroscope sheath comprises a flexible catheter sheath and a ureter, the ureter is sleeved with the catheter sheath, a circle of infusion tube adheres to the periphery of the catheter sheath, and a circle of annular capillary tube adheres to the tail end of the catheter sheath along the circumference; the annular capillary tube is adhered to the tail end of the infusion tube and communicated through a needle hole; the periphery of the ureter is sleeved with a slidable sliding sleeve, an annular rotary knob is arranged at the tail end of the sliding sleeve, the outer surface of the sliding sleeve is provided with crescent protrusions extending in the circumferential direction of the sliding sleeve, the ureter penetrates through the two ends of the catheter sheath, the head ends of the ureter and the catheter sheath are connected, and the remaining sections of the ureter and the catheter sheath are in clearance fit. The protrusions on the surface of the sliding sleeve can be inserted between the two and pulled out, and the sliding sleeve can rotate between the two. The continuous circulation type perfusion and suction system comprises a flushing loop formed by connecting a perfusion pump in series between a sterile sealed liquid tank and the ureter, and a water return loop formed by connecting a precipitation container and a suction and discharge pump in series between the catheter sheath and the sterile sealed liquid tank.

The invention relates to a nested flexible ureteroscope. The nested flexible ureteroscope comprises a rod-shaped optical fiber scope provided with a long-fiber-shaped image transmitting scope body, atubular handheld handle and a bendable sheath, wherein the tubular handheld handle and the bendable sheath are communicated with each other. An image-transmitting optical fiber is arranged in the scope body, and a driving steel wire for controlling the bending extent of the bendable sheath is inserted into the bendable sheath; a windowing sliding groove is formed in the outer wall face of the handheld handle in the length direction of the handheld handle, a bending-causing pushing handle is slidingly arranged on the windowing sliding groove and connected to the proximal end of the driving steel wire, and the distal end of the driving steel wire and the side wall of the bendable sheath are fixed; the optical fiber scope is inserted into the handheld handle through an optical-fiber-scope insertion hole in the tubular tail end of the handheld handle, and the scope body is inserted into the bendable sheath. The nested flexible ureteroscope has the advantages that the structure is easy andconvenient, the cost is low, operation is convenient, an additional scope sheath product is avoided, and the nested flexible ureteroscope can be applied to various surgeries for which ureteroscopes and flexible ureteroscopes are suitable.

The invention discloses a flexible ureteroscope leading-in sheath with an adjustable tube diameter and capable of displaying the tube diameter. The flexible ureteroscope leading-in sheath comprises acatheter body with a tube cavity, the catheter body is arranged to be an arc-shaped piece with a first opening edge and a second opening edge, and an overlapping area is formed between the first opening edge and the second opening edge; the first end of the catheter body is provided with an adjusting assembly used for controlling the inner diameter of a catheter cavity of the catheter body, and the adjusting assembly is connected with the catheter body. The adjusting assembly comprises a first arc-shaped operating rod arranged at the first end of the arc-shaped piece and a rotating wheel arranged at the first end of the first arc-shaped operating rod. Medical staff operate the rotating wheel clockwise or anticlockwise to achieve the purpose that the pipe diameter of the catheter body is increased or decreased according to actual use requirements.

The invention relates to medical instruments and discloses an upper urinary tract complex lesion percutaneous flexible ureteroscope operation to solve the problems that a flexible tube of an existing ureter device is prone to being left in a lower section of a ureter, a pump line is prone to disengaging, and consequently, body irrigation fluid leaks. According to the upper urinary tract complex lesion percutaneous flexible ureteroscope operation, a percutaneous puncturing and expanding device, a ureteroscope, a cold light source, a camera system, a bedside B ultrasonic machine, an intracavity calculus removing instrument, a high-pressure sacculus expander, a pressure adjusting water-delivery pump and a holmium laser ureteroscope are adopted. The ureteroscope comprises a sheathing canal, a flexible tube located in the sheathing canal, a push tube used for connecting the sheathing canal with the flexible tube, a handheld part located at the tail end of the sheathing canal and a washing valve. By means of the rotationally-combined sheathing canal and flexible tube, the ureteroscope is more suitable for being applied to complex kidney stone operations.

The invention relates to the technical field of medical surgical instruments, in particular to a flexible ureteroscope. The flexible ureteroscope comprises an operating handle, a shifting piece for controlling the bending direction and angle of the flexible ureteroscope is arranged on the operating handle, the shifting piece is rotatably connected to the operating handle, an angle indicating device is arranged on the operating handle, and the angle indicating device is positioned on one side of the shifting piece. The angle indicating device is arranged on the operating handle, the shifting piece is adjusted to enable a pointer to correspond to different numerical values on the angle indicating device, the bending state of the in-vivo flexible ureteroscope can be obtained according to data of the in-vitro flexible ureteroscope, so that operation and learning of the flexible ureteroscope are executed according to data and quantitative standards, the convenience in the operation process is improved, the operation difficulty is reduced, and a learning curve of the flexible ureteroscope operation is shortened.

The invention discloses a pair of biopsy forceps of a flexible ureteroscope. The pair of biopsy forceps comprises a telescopic rod and a handle which movably sleeves outside the telescopic rod in an axial direction, and the telescopic rod is greater than the handle in axial length; a grip is arranged at one end of the handle, and the end of the telescopic rod, at a corresponding side, is provided with a pull ring; an elastic part, by which the grip and the pull ring approach to a tightened state, are assembled between the grip and the pull ring; a metal net bag, which is woven by metal wires, is assembled between the other end of the handle and the telescopic rod at the corresponding side; in-vivo samples can be collected through bending and shrinking of the metal net bag; and furthermore, through high-frequency electricity, in the coordination with the metal net bag, the in-vivo tissue samples can be removed and collected.

The invention discloses a cystoscope sheath integrated flexible ureteroscope, and belongs to the technical field of medical instruments. The cystoscope sheath integrated flexible ureteroscope comprises a flexible cystoscope sheath, an operating handle and a flexible ureteroscope main body, wherein the front end of the flexible ureteroscope main body is a front bending part which has a degree of bending freedom; an adjusting handle is arranged on the operating handle; the front end of the flexible ureteroscope main body passes through the side wall of the rear end of the flexible cystoscope sheath; an instrument arranged at the front end of the flexible ureteroscope main body, an outlet end of a water inlet channel and the front end face of a camera are flushed with the front end face of the front bending part; the flexible ureteroscope also comprises an inner core which is spliced with the flexible cystoscope sheath and a negative pressure connection device, the splicing is a detachable connection way, and the negative pressure connection device and the rear end of the flexible cystoscope sheath can detachably connected and is used for clearing away crushed stones. According to thecystoscope sheath integrated flexible ureteroscope disclosed by the invention, the effects of flushing water, crushing stones, attracting and clearing away the stones can be achieved, the working efficiency for crushing and clearing away the stones is improved, the pain of patients is alleviated, injury of ureter is effectively avoided, the treatment time can be shortened, and the medical treatment expenses of the patients are reduced.

The invention relates to a ureteral rapid liquid-gas expansion pipeline suite and a using method thereof. The ureteral rapid liquid-gas expansion pipeline suite comprises a first ureteral catheter and a second ureteral catheter. The ureter is pre-expanded through the first ureteral catheter, the first ureteral catheter is not suitable for remaining in the ureter for a long time due to the fact that a pelvis drainage channel is removed from the first ureteral catheter, the problem that the pressure in the kidney of the working side is increased is solved, and therefore the first ureteral catheter is only prepared for short-time expansion and preliminary expansion of the ureter; and after the diameter of the ureter is increased, the second ureteral catheter can be more conveniently placed for long-time expansion, the expansion time is several hours or ten hours or longer, the ureteral expansion effect and safety are greatly improved, the placing success rate of the second ureteral catheter is increased, then the operation success rate of a flexible ureteroscope is increased, the process requirement and price of the flexible ureteroscope are reduced, the performance of the flexible ureteroscope is improved, the diameter of a water flow channel is increased, and the safety and effect of the flexible ureteroscope are rapidly improved.

The invention discloses a water injection device for a flexible ureteroscope, belonging to the technical field of medical instruments. The water injection device for the flexible ureteroscope comprises a medical infusion tee joint, a medical one-way valve, a medical injector and a medical spring, wherein the medical infusion tee joint and the medical infusion one-way valve form a T-shaped anti-reflux combination valve, and the medical injector and the medical spring form a power system with return force. A first port of the T-shaped anti-reflux combination valve is connected with a water filling bag, a second port of the T-shaped anti-reflux combination valve is connected with the flexible ureteroscope, and a third port of the T-shaped anti-reflux combination valve is connected with a syringe port of the medical injector; the medical spring is arranged in a syringe of the medical injector; and one end of the medical spring abuts against the syringe port of the medical injector, and theother end of the medical spring is connected with a piston handle of the medical injector. The water injection device for the flexible ureteroscope can improve the simplicity and convenience of waterinjection operation for the flexible ureteroscope; and while use effect is guaranteed, surgical personnel can be reduced, labor intensity is reduced, working efficiency is improved, manpower is saved, and cost is low.

The invention relates to a flexible ureteroscope guide sheath. The flexible ureteroscope guide sheath solves the problem that existing flexible ureteroscope guide sheaths cannot achieve pressurized perfusion of normal saline to result in unsmooth internal pressure relief of pelvis and unsmooth blood clot discharge. The flexible ureteroscope guide sheath is composed of a front sheath body and a rear sheath body; the front portion of the front sheath body is a hollow straight pipe, the rear end of the straight pipe is connected with a bowl-shaped unit with a horn-shaped opening, and the center of the bottom of the bowl-shaped unit is communicated with the straight pipe; the rear sheath body is a case with an opening at the front end, the front end of the rear sheath body is threadedly connected with the rear end of the bowl-shaped unit, the rear end surface of the rear sheath body is provided with a flexible ureteroscope inlet for inletting a flexible ureteroscope, one side of the rear sheath body is provided with a water inlet connected with perfusion solution, the other side of the rear sheath body is provided with a water outlet connected with a negative pressure suction device, and the water inlet and the water outlet are provided with check valves. According to the flexible ureteroscope guide sheath, a cavity communicated with the straight pipe is arranged at the rear end, both sides of the cavity are provided with a water inlet channel and a water outlet channel respectively, so that normal saline can be infused to ensure operation field, and negative pressure suction can be performed to reduce internal pressure of the flexible ureteroscope and the pelvis and further to ensure operation safety.

The invention discloses a flexible ureteroscope sheath set with a rotatable inner sheath. The flexible ureteroscope sheath set comprises an outer sheath, a diameter-variable passage is arranged at the non-working end of the outer sheath, a negative pressure suction port is arranged on the side portion of the diameter-variable passage, the end of the diameter-variable passage is fixedly connected with a sleeve member which is connected with a rotating connector capable of rotating by 360 degrees, the rotating connector is connected with the inner sheath which is arranged in the outer sheath, and the working end of the inner sheath extends out of that of the outer sheath by set length while the non-working end of the same is provided with a perfusion flushing port; a water outlet is arranged on the end portion or the side portion of the working end of the inner sheath. The inner sheath is connected with the outer sheath through the rotating connector, the rotating connector can drive the inner sheath to synchronously rotate by 360 degrees to form variable and complex vortex in a kidney during inward perfusion of the inner sheath, and quick and effective negative-pressure suction-out of gravel is facilitated.

The invention discloses an electronic flexible ureteroscope, a device, a system and a use method. The flexible ureteroscope comprises a flexible ureteroscope body; a pressure detection channel and / ora temperature detection channel are / is arranged in the flexible ureteroscope body; a pressure transmission part or a pressure sensor is arranged in the pressure detection channel; through indirect useof the pressure transmission part or direct use of the pressure sensor, the pressure of liquid, gas or a gas-liquid mixture of a detected and examined part, an operated part or a treated part to thepressure sensor or a pressure tester; and a temperature sensor is arranged in the temperature detection channel. The device comprises the flexible ureteroscope and a handle. The system comprises the device, an electronic endoscope image processor, the pressure tester and / or a temperature tester, an endoscope washing system and lighting equipment. When the pressure in a cavity is larger than a limit value and / or the temperature detected by the temperature sensor exceeds the standard, an alarm is given, so that accidental injury to the human body due to reverse flow of liquid and / or over-high temperature caused by over-high pressure is avoided.

The invention discloses a portable flexible ureteroscope robot, which relates to the field of master-slave medical endoscope robot systems. After the size and the performance parameter of portable flexible ureteroscope robot remote control equipment are determined, a tripod is customized to serve as a base for supporting a whole robot system. The tripod is foldable and is provided with a level indicator, and the height of the tripod is adjustable. An integral part can be split into independent parts, wherein the sizes of the parts are reasonable, and the weight of the parts does not exceed 25kg. The portable flexible ureteroscope robot can be conveniently placed in a customized aluminum case or suitcase, unordered communication and ineffective communication among specialties except the medicine can be reduced, and the robot is favorable for subsequent mass production and can be carried by a doctor with the flexible ureteroscope.