49 results about "Flexible ureteroscope" patented technology

The negative pressure flexible ureteroscope sheath with the front end actively bent and telescopic comprises a sheath tube body, an operation channel is formed in the sheath tube body, an operation channel connector is fixed to the rear end of the sheath tube body, and a negative pressure suction connector communicated with the operation channel is fixed to one side of the rear end of the sheath tube body; the sheathing canal body is integrally formed by a telescopic bending section and a straight pipe section, pneumatic telescopic bending adjusting mechanisms are arranged on the upper side, the lower side, the left side and the right side of the telescopic bending section, and a pneumatic telescopic bending control mechanism is arranged at the rear end of the sheathing canal body. The front end of the flexible ureteroscope sheath can be telescopically adjusted and can be bent in multiple directions, the sheath tube can be telescopically adjusted at the rear end and is extremely easy and convenient to operate and adjust, and the sheath tube can increase the trafficability of calculi at the upper section of the ureter and prevent the ureter from being damaged.

The invention relates to the technical field of medical instruments, and discloses a flexible ureteroscope sheath device and a pressure control method thereof.The flexible ureteroscope sheath device is characterized in that one end of a connector tube seat is connected with a sheath tube, the other end of the connector tube seat is provided with three connectors, the first connector is connected with a pressure relief device and a control device, the second connector is used for a flexible ureteroscope and perfusion, and the third connector is used for negative pressure suction; a central channel is arranged in the sheathing canal, and passage type pressure measuring sensors are axially and uniformly arranged around the channel; the control device comprises an adjusting key, a digital display, an indicating lamp and a buzzer, and is electrically connected with the pressure measuring sensor and the pressure relief device; the control device comprises an automatic pressure relief module which is used for collecting analog voltage signals and converting the analog voltage signals into pressure data values, and when a detection value reaches a set threshold value, the electric control pressure relief device automatically relieves pressure. According to the invention, real-time and continuous detection and control of the pressure in the cavity are realized.

The invention discloses a prediction method for kidney stone prognosis based on CT imaging omics, and relates to the field of medicine. Comprising the following steps that CT images and clinical data are collected, retrieval is conducted through a hospital medical record system, clinical information is collected, and the CT images are scanned through a scanner; cT image processing and feature extraction are carried out, calculus areas are sketched layer by layer on all cross sections of the CT image, information is recorded, and then feature extraction is carried out; and image omics feature screening and model construction: extracting image omics features from each original CT image. According to the method, CT image features and clinical prediction factors are combined, a clinical-image omics model is developed and verified, a repeatable, non-invasive, non-invasive and safe preoperative prediction method is provided, the calculus removal success rate of a kidney stone patient after flexible ureteroscope lithotripsy can be accurately evaluated, and the calculus removal success rate of the kidney stone patient after flexible ureteroscope lithotripsy is improved. And a clinician can be assisted to make a clinical decision and implement precise medical treatment.

The invention provides a flexible ureteroscope surgical robot and a supporting mechanism thereof. The supporting mechanism comprises a telescopic device which comprises a fixing part connected with a cantilever mechanism of the flexible ureteroscope surgical robot; the sliding piece is arranged on the fixed piece in a sliding and penetrating mode, and a plurality of positioning holes are formed in the sliding piece; the locking part is connected with the fixed part and arranged on the sliding part in a sleeving mode, the locking part comprises a locking column, and the locking column is inserted into the positioning hole through operation so that the sliding part can be prevented from sliding in the fixed part or the locking column can be separated from the positioning hole so that the sliding part can slide in the fixed part; one end of the clamping device is connected with the sliding part, and the other end of the clamping device is connected with a sheath of the flexible ureteroscope.

The flexible ureteroscope device comprises a flexible ureteroscope body and a sheathing canal body used for supporting the urethra to form a passage for the flexible ureteroscope body to enter, the flexible ureteroscope body comprises a miniature camera used for imaging and a holmium laser optical fiber used for cutting stones, a guide groove and a positioning groove are formed in the outer wall of the flexible ureteroscope body, and the guide groove and the positioning groove are communicated with each other. A balloon is connected into the sheath tube body and used for being matched with the flexible lens body to expand a narrow urethra area, a cross air pipe is fixedly connected to the outer side of the sheath tube body and used for injecting air into the balloon, a bearing seat is axially connected to the outer side of the sheath tube body in a sliding mode, and an adjusting assembly is connected into the bearing seat and used for driving the sheath tube body to move automatically. The adjusting assembly comprises a pressure sensor used for detecting the pressure in the ureter. According to the technical scheme, the operation cost is reduced, the operation period is shortened, and the stability of the operation process is improved.

The invention provides a flexible ureteroscope surgical robot and a bending device thereof. The bending device comprises a supporting frame, one end of the supporting frame is connected with a cantilever mechanism of the flexible ureteroscope surgical robot, and the other end of the supporting frame is connected with the flexible ureteroscope; the deflection driving part comprises a driving assembly connected with the supporting frame; one end of the transition piece is connected with the driving assembly, the other end of the transition piece is connected with a bending knob of the flexible ureteroscope, and the driving assembly drives the transition piece to drive the bending knob to rotate, so that the tip end of the flexible ureteroscope is bent.

The invention provides a flexible ureteroscope surgical robot and an optical fiber delivery device thereof. The optical fiber delivery device comprises a delivery base connected with a cantilever mechanism of the flexible ureteroscope surgical robot; a driving wheel; a driven wheel; the optical fiber driving part penetrates through the delivery base to be connected with the driving wheel so as to drive the driving wheel to rotate; and the control assembly is connected with the driven wheel and is configured to enable the driven wheel to be far away from or close to the driving wheel by operating the control assembly, so that the optical fiber is allowed to freely penetrate through the flexible ureteroscope between the driving wheel and the driven wheel, or the optical fiber is driven to move in the flexible ureteroscope based on the friction force between the driven wheel and the driving wheel.

The present invention relates to the technical field of medical surgical instruments, and particularly relates to a flexible ureteroscope, which includes an operating handle. A toggling member for controlling the bending direction and angle of the flexible ureteroscope is provided on the operating handle. The toggling member is rotatably connected to the operating handle. An angle indicating device is provided on the operating handle, and the angle indicating device is located on one side of the toggling member. By providing an angle indicating device on the operating handle and adjusting the toggling member to make the pointer correspond to different values on the angle indicating device, the bending state of the flexible ureteroscope inside the body can be obtained based on the data of the flexible ureteroscope outside the body. This enables the operation and learning of the flexible ureteroscope to be based on data and have a quantifiable standard to execute, increases the convenience during the surgical process, reduces the surgical difficulty, and shortens the learning curve of the flexible ureteroscope surgery.

The utility model belongs to the technical field of medical instruments, and particularly relates to a flexible ureteroscope guide sheath with an adjustable bending angle, which comprises a bendable sheath tube, a channel for a flexible ureteroscope to go in and out is arranged in the sheath tube, a guide sheath joint is arranged at the rear end of the sheath tube, and an adjusting structure for adjusting the bending angle of the sheath tube is arranged on the guide sheath joint. The adjusting structure comprises a first pull wire, a second pull wire and an adjusting rotating block, one end of the first pull wire and one end of the second pull wire are symmetrically connected to the inner wall, close to the front end, of the sheathing canal, and the adjusting rotating block is rotationally connected with the guiding sheath connector. The other ends of the first pull wire and the second pull wire extend into an inner cavity of the guide sheath connector and are connected with the part, extending into the guide sheath connector, of the adjusting rotating block, the bending angle of the sheath tube can be adjusted by rotating the rotating part leftwards and rightwards, the operation direction of the guide sheath is consistent with the specific adjustment direction, operation is visual, and operation is convenient. The probability that the sheathing canal is reversely adjusted can be reduced to a certain extent, so that the operation safety is improved.

The utility model belongs to the technical field of medical auxiliary instruments, and particularly relates to a flexible ureteroscope sheath fixing device which comprises a first clamp, a vertical frame, a supporting cantilever, a second clamp and a detachable fixator, the first clamp is used for being clamped with an operating bed, the vertical frame is fixedly connected with the first clamp through the detachable fixator, and the supporting cantilever is fixedly connected with the second clamp through the detachable fixator. The supporting cantilever is fixedly connected to the upper end of the vertical frame through the detachable fixator, the second clamp is fixed to the tail end of the supporting cantilever through the detachable fixator, the second clamp is used for clamping the flexible ureteroscope sheath, and the flexible ureteroscope sheath fixing device can be clamped with an operating bed to support the flexible ureteroscope sheath. The flexible ureteroscope sheath is used for replacing a doctor to hold the flexible ureteroscope sheath, so that the operation difficulty of an operation can be reduced, the probability of misoperation is reduced, and the operation quality is improved.

The utility model relates to a ureteroscope convenient for detecting urinary calculus. The ureteroscope comprises a ureteroscope body and a ureteroscope body, one end of the endoscope body is connected with the endoscope body, and the other end is provided with a bent detection tube; and a control handle for controlling the bent detection tube is also arranged on one side of the endoscope body. The ureteroscope convenient for detecting the urinary calculus has the advantages that the bent detection tube is bent through the control handle, and compared with a traditional flexible ureteroscope, the ureteroscope convenient for detecting the urinary calculus has a larger bendable range, is convenient for entering each renal calyx, and eliminates a view blind area and an operation blind area of a hard ureteroscope. And the bending direction and angle of the tail end of the mirror body are controlled by an operating rod on a control handle behind the mirror body. The novel ureteroscope has the advantages of a traditional hard ureteroscope and a traditional soft ureteroscope, is convenient to operate, has no view blind area and operation blind area, enables the view under the ureteroscope to be clearer, enables the quality of diagnosis and treatment of upper urinary tract diseases to be greatly improved, and is good in clinical application prospect.

The invention provides a flexible ureteroscope surgical robot and a feeding mechanism thereof. The feeding mechanism comprises a feeding driving device which is arranged in a cantilever mechanism of the flexible ureteroscope surgical robot; the feeding driving device is connected with the first end of the driving rod so as to drive the driving rod to rotate relative to the cantilever mechanism; the first end of the driven rod is rotationally connected with the second end of the driving rod, and the second end of the driven rod is connected with a flexible ureteroscope; wherein the included angle between the driving rod and the driven rod is two times of the included angle between the driving rod and the vertical direction, and the included angle between the driving rod and the vertical direction is equal to the included angle between the driven rod and the vertical direction, so that the flexible ureteroscope is driven to move in the horizontal direction.

A ureteroscope system includes: a handle; an elongated shaft extending from the handle to a distal end and including a working channel open at the distal end; an external member extending from a proximal end to a distal end and coupled to the shaft, the member including a hub and a tube defining a first external channel; and a coupling mechanism defining a first tube and a second tube and coupling the distal end of the member to the distal end of the shaft. The first tube defines a first lumen and the second tube defines a second lumen, the second lumen being sized and shaped to receive the distal end of the member. The proximal portion of the first tube is sized and shaped to be inserted into the distal portion of the shaft so that the first lumen leads to the working channel.

The utility model belongs to the technical field of urinary endoscopes, and particularly relates to a wireless flexible ureteroscope convenient to operate, which comprises a handle shell, one end of the handle shell is connected with a spherical handle shell, one end of the handle shell is connected with a fixed rubber sleeve, one end of the fixed rubber sleeve is provided with a flexible insertion tube, and the other end of the fixed rubber sleeve is provided with a threaded rod. A flexible insertion tube is arranged in the handle shell, a lens is arranged at one end of the flexible insertion tube, the outer wall of the handle shell is connected with a mounting seat, a spring is arranged in the mounting seat, and the end part of the spring is connected with a movable block. When a user places the wireless flexible ureteroscope, the wireless flexible ureteroscope can be hung at a high position through the C-shaped hanging frame, so that the insertion end is prevented from making contact with a table top, and the user can operate the wireless flexible ureteroscope more conveniently.

The utility model belongs to the technical field of flexible ureteroscopes, and particularly relates to a double-channel flexible ureteroscope and lithotripsy equipment, the double-channel flexible ureteroscope comprises a handle, the end part of which is provided with an insertion tube; at least two channels are accommodated in the insertion tube, namely, the first channel is suitable for liquid feeding and optical fiber insertion, and an instrument can extend into the body through the first channel; the second channel is a suction pipe and is used for sucking liquid and / or broken stones; in short, the first channel is used for inserting an optical fiber and an instrument to complete lithotripsy and instrument operation, the second channel is used for sucking the lithotripsy, the two channels work independently and do not interfere with each other, the situation that the lithotripsy cannot be taken out can be effectively avoided, furthermore, liquid can be introduced into the gap of the first channel, the second channel is matched for sucking the liquid, and water circulation in the renal pelvis can be guaranteed; and the pressure in the renal pelvis is maintained.

The utility model relates to the field of flexible ureteroscope sheaths, in particular to a flexible ureteroscope sheath capable of being contracted and adjusted. The flexible ureteroscope sheath is inconvenient to contract and adjust in the use process, the length of the flexible ureteroscope sheath cannot be adjusted according to different lengths of the urethra and the ureter of a patient in the use process, the flexible ureteroscope sheath cannot adapt to physiological structure changes of different patients, and the use convenience of the flexible ureteroscope sheath is reduced; the sheath of the flexible ureteroscope is too long and is not beneficial to surgical operation control, if the sheath is too short, the flexible ureteroscope cannot smoothly reach the joint of the pelvis and the ureter, and the flexible ureteroscope cannot reach the target calculus position of the pelvis and the renal calyx along the sheath, so that the surgical operation fails; meanwhile, due to the fact that the flexible ureteroscope sheath is not matched with the urethra and the ureter in length, potential operative complications such as damage to ureter mucosa by the edge of the far end of the sheath exist; and meanwhile, the flexible ureteroscope sheath cannot be detached after being used, is inconvenient to store, transport and disinfect and is easy to damage, so that the clinical use cost is increased.

The invention discloses a flexible endoscope combined dual-purpose control robot which comprises a steering device and a control system, the steering device comprises a support supporting plate, the support supporting plate is rotationally connected with a steering guide part, the steering guide part is connected with a flexible endoscope elbow, the flexible endoscope elbow is connected with an endoscope, and the control system is connected with the steering guide part. The support supporting plate is connected with a driving mechanism, the output end of the driving mechanism is in power connection with the steering guiding piece, and the steering guiding piece plays a role in guiding the flexible endoscope elbow through power of the driving mechanism. According to the flexible ureteroscope operation robot, manual operation is replaced by the mechanical arm, the remote control handle and the switching platform are combined, the functions of accurate control, labor-saving operation, soft rope lifting, posture locking and remote surgery are achieved, the surgery threshold is lowered, safety is improved, and the flexible ureteroscope operation robot can be expanded to be used in collaborative surgery, remote surgery and surgery teaching scenes.

The utility model discloses a novel urinary catheter, which belongs to the technical field of urinary catheters and comprises a urinary catheter used for draining urine of a patient and facilitating calculus crushing of the patient and a flexible ureteroscope holmium laser device used for crushing and removing the calculus of the patient. The front end of the catheter is provided with a urine hole position used for discharging urine of a patient, the front end of the catheter is further symmetrically provided with two drainage holes, the device further comprises a guide wire, and the guide wire can be placed into the position where stones need to be broken through the catheter. The guide wire stretches out of the corresponding drainage hole through the water injection opening and is finally placed in the lithotripsy position, then the guide wire enters the position needing lithotripsy from the guide wire path through the flexible ureteroscope holmium laser equipment to be crushed and taken out, and the effect that the catheter can assist the flexible ureteroscope holmium laser equipment in guiding is achieved. And the situation that the flexible ureteroscope holmium laser equipment is in large contact with the patient to cause injury is avoided.

A ureteroscope system includes a handle; an elongated shaft extends from the handle to a distal end and includes a working channel which is opened at the distal end; an external member extends from a proximal end to a distal end and is coupled to the shaft, the member includes a hub and a tube defining a first external channel; and a coupling mechanism defines first and second tubes and is coupled the distal end of the member to the distal end of the shaft. The first tube defines a first lumen and the second tube defines a second lumen which is sized and shaped to receive a distal end of the member. A proximal portion of the first tube is sized and shaped to be inserted into a distal portion of the shaft such that the first lumen is opened to the working channel.

The invention provides an integrated tail-end-expandable bent ureteroscope, and relates to the technical field of urology department treatment equipment.The integrated tail-end-expandable bent ureteroscope comprises a catheter assembly, a ureteroscope assembly is arranged at one end of the catheter assembly, a connecting assembly and a handle assembly are arranged between the catheter assembly and the ureteroscope assembly, and a holding spherical shell and an adjusting assembly are arranged at the end of the ureteroscope assembly; the catheter assembly and the endoscopic camera are arranged in the middle cavity of the catheter assembly and the middle cavity of the endoscope assembly, the balloon sleeve is arranged at the end of the catheter assembly, and the operation time is shorter than that of an original technology, so that a doctor can complete more operations within the same time, the working efficiency of the doctor can be improved, the waiting time of a patient can be shortened, and the patient experience is improved. In addition, due to the fact that the operation time is shortened, the time of the patients in the anesthesia state is shortened, risks related to anesthesia are reduced, the operation time can be effectively shortened, the ureterostenosis problem can be treated at the same time, the operation difficulty of the ureterostenosis operation is reduced, and the hospitalization frequency and pain of the patients are reduced.

The invention discloses a delivery sheath positioning system and method in a flexible ureteroscope operation, and the system comprises a hard ureteroscope which is used for observing the position and state of calculus; the first transmitter is arranged at the far side end of the outer sheath and is used for transmitting signals with different frequencies; the receivers are arranged at different positions of the waist of the patient and used for receiving the signals sent by the first transmitter; the controller is electrically connected with the receiver and the display and is used for calculating the position of the transmitter according to the amplitude of the received signal and displaying the position on the display; and the display is electrically connected to the controller and is used for displaying the received signal. According to the invention, the controller is utilized to determine whether the first transmitter has reached the calculus based on the amplitude of the signal with the most appropriate frequency, so that the accuracy of sheath insertion is greatly improved.

The utility model discloses a disposable flexible ureteroscope snake bone and coarse adjustment section which comprises a plurality of coarse adjustment snake bone joints, the coarse adjustment snake bone joints are sequentially hinged with one another, and one end of the coarse adjustment section is a snake bone tail end. One end of the fine adjustment section is a snake bone end, the snake bone end is connected with an endoscope imaging component, the other end of the fine adjustment section is connected with the other end of the coarse adjustment section, the fine adjustment section comprises a plurality of fine adjustment snake bone joints, the fine adjustment snake bone joints are sequentially hinged to one another, and the length of each fine adjustment snake bone joint is smaller than that of each coarse adjustment snake bone joint; the bending radian of the fine adjustment section is larger than that of the coarse adjustment section. The flexible snake bone has the advantages that the flexibility of the snake bone can be ensured, the lateral bending strength is good, the axial rotation error is small, the processing is convenient, the cost is low, the snake bone can be effectively prevented from falling off and being fractured due to multiple times of bending or overlarge tensile force on the snake bone, and the safety risk in an operation is reduced.

The flexible ureteroscope flusher comprises a first box body, a second barrel body and a cover body, the first box body is used for containing cleaning liquid; the upper end of the first box body is open, and a first hole is formed in the side wall of the first box body; the first hole is sealed by a first rubber film; a first round hole is formed in the first rubber film; the first round hole is formed in the lower part of the first box body; the lower end of the second barrel is closed through a bottom plate; the upper end of the second barrel is open; a supporting table protruding upwards is arranged in the center of the bottom plate. The supporting table is used for horizontally placing a handle of the flexible ureteroscope; a second hole is formed in the peripheral wall of the second cylinder body; the second hole is sealed by a second rubber film; a second round hole is formed in the second rubber film; the cover body is in threaded combination with the upper end of the second barrel body; an air pump is mounted at the upper part of the cover; an air inlet channel of the air pump penetrates through the cover body and is communicated with the lower portion of the cover body.

The invention discloses a probe lens angle calibration method suitable for the tail end of a flexible ureteroscope, and relates to the technical field of probe lens angle calibration, and the method comprises the following steps: presetting an initial adjustment time as the basic duration of each angle adjustment before the flexible ureteroscope is subjected to ureteral examination; in the angle adjusting process, ureter image data in a target detection area are collected in real time through an imaging unit arranged in the flexible lens. According to the method, an intelligent structural complexity evaluation mechanism based on the convolutional neural network is introduced, so that the system can dynamically identify the anatomical complexity of a target area, and adaptively adjust the angle adjustment duration according to an evaluation result, thereby overcoming the technical bottleneck that a target cannot be accurately aligned in a high-tortuosity area in the conventional fixed adjustment time, and improving the accuracy of the target anatomy. It is ensured that the probe of the soft lens can be adjusted more carefully and stably in a complex area, the problems of image blurring, distortion or target deviation and the like are reduced, and therefore the risks of missed diagnosis and misdiagnosis are greatly reduced.

The flexible ureteroscope sheath system comprises an outer sheath tube, an intelligent control host and a negative pressure drainage pipeline. A groove is formed in the inner wall of the far end of the outer sheath tube, a pressure detection unit is embedded in the groove, the surface of the pressure detection unit is covered with a pressure-permeable protective film, and the signal line is connected with the intelligent control host through a signal transmission channel in the wall of the outer sheath tube. And the negative pressure drainage pipeline is communicated with the negative pressure interface at the near end of the outer sheath tube. And the intelligent control host receives the real-time pressure value, compares the real-time pressure value with a preset upper limit threshold value and a preset lower limit threshold value, controls the output of the adjustable negative pressure source or controls the pressure relief unit to act, and outputs an alarm signal in a continuous abnormal state. The intraoperative pelvis pressure monitoring system can realize real-time monitoring and dynamic adjustment of intraoperative pelvis pressure, and also considers drainage, pressure management and abnormity prompt.

The invention discloses a flexible ureteroscope sheath suite which is used for a flexible ureteroscope, and the flexible ureteroscope sheath suite is used for inserting a hard ureteroscope tube into an equipment channel, and fixing a sheath core connecting piece and an outer sheath connecting piece; the flexible endoscope body is inserted into the endoscope body channel, and the sheath core fixing piece is fixed to the front end of a handle of the flexible ureteroscope; placing the flexible ureteroscope sheath kit and a hard ureteroscope assembled by the flexible ureteroscope into the ureter; and the sheath core connecting piece and the outer sheath connecting piece are disconnected, and the sheath core and the flexible ureteroscope are withdrawn. The one-step sheath placement can be realized, the operation efficiency is greatly improved, the function of actively expanding the ureter is achieved, the sheath placement resistance is reduced, the sheath placement success rate is further improved, the soft and hard combined sheath is utilized, the tube cavity cannot deform after being extruded, the soft lens can coaxially rotate in the sheath tube cavity, and the target position can be more easily and accurately found.

The invention provides a control device for a flexible ureteroscope robot and a flexible ureteroscope operation system. The control device comprises a first operation part which comprises a rotating part and enables the rotating part to rotate through operation so as to obtain a first rotating angle; the second operation part comprises a rolling piece, the rolling piece rotates around a first central axis of the rolling piece through operation to obtain a second rotation angle, and the rolling piece rotates around a second central axis with the extending direction different from that of the first central axis through operation to obtain a third rotation angle; and the control part is used for controlling the flexible ureteroscope of the flexible ureteroscope robot to move relative to the patient along a second direction based on the first rotation angle, controlling the flexible ureteroscope to rotate around an axis parallel to the second direction based on the second rotation angle, and controlling the flexible ureteroscope to bend based on the third rotation angle.

The utility model discloses a plugging device for a flexible ureteroscope, and belongs to the technical field of medical equipment. Comprising a guide wire, a catheter and a water conveying pipe, the guide wire is sleeved with the catheter, and the catheter comprises a sleeving section and an expansion section; the sleeving section comprises a guiding section and a connecting section, the expansion section is located between the guiding section and the connecting section, and the expansion section is an expansion water bag; the water conveying pipe is used for conveying liquid media, one end of the water conveying pipe is connected to the outer side of the connecting section in a sleeving mode, and the connecting section is located between the guide wire and the water conveying pipe. And the liquid medium enters or flows out of the expansion water bag through the water conveying pipe and the gap of the connecting section, so that the expansion water bag is expanded or shrunk. According to the scheme, the diameter of the guide wire can be set to be thinner, so that the diameter of the whole pipeline of the plugging device is smaller, and the plugging device used by the flexible ureteroscope can be used for flexible ureteroscope operations.

The invention discloses a flexible ureteroscope for urinary surgery, and aims to provide the flexible ureteroscope for urinary surgery, which does not need manual operation and can automatically bend the front end of the flexible ureteroscope to observe a diseased part. The device comprises a control handle, a hose and snake bones, a control cavity is formed in the control handle, one end of the hose is connected with the control handle, the other end of the hose is connected with the snake bones, the multiple snake bones are sequentially connected, rotating mechanisms are arranged on the snake bones, control ropes are arranged on the rotating mechanisms, and the rotating mechanisms correspond to the snake bones one to one. One end of the control rope is connected with the rotating mechanism, the other end of the control rope is arranged in the control cavity, a control mechanism is arranged in the control cavity, and the control mechanism is connected with the control rope. The flexible endoscope has the advantages that manual operation is not needed, the front end of the flexible endoscope can be automatically bent to observe the diseased part, the flexibility of the hose is improved, the treated part can be cleaned, the bending angle can be conveniently observed, and the temperature of an instrument can be observed.

The invention relates to the technical field of medical instruments, and discloses a flexible ureteroscope sheath with a pressure relief function, which comprises a joint tube seat, a sheath tube, a pressure relief module, a flexible ureteroscope perfusion joint and a negative pressure joint, the joint tube seat is sleeved with the sheath tube, the interior of the joint tube seat is communicated with the sheath tube, the flexible ureteroscope perfusion joint is sleeved with the joint tube seat, and the negative pressure joint is communicated with the flexible ureteroscope perfusion joint. The interior of the connector tube seat is communicated with the flexible lens perfusion connector, the flexible lens perfusion connector is used for connecting a flexible lens and a perfusion system, the connector tube seat is sleeved with the negative pressure connector, the interior of the connector tube seat is communicated with the negative pressure connector, the negative pressure connector is used for being connected with a negative pressure suction system, the connector tube seat is sleeved with the pressure relief module, and the interior of the connector tube seat is communicated with the pressure relief module. The pressure relief module comprises a control module and a pressure relief module, the control module is electrically connected with the perfusion system and the negative pressure suction system, the pressure relief module comprises a pressure relief body and a valve body, and the valve body is rotationally connected with the pressure relief body. The pressure stability of the flexible ureteroscope sheath is ensured.