35 results about "Cystoscopes" patented technology

The invention relates to the technical field of endoscopic image analysis, in particular to a cystoscope tumor focus real-time positioning and boundary intelligent recognition system and method, and the system comprises a feature extraction module, a breakpoint detection module, a contour closing module, a boundary evaluation module and a smooth display module. According to the method, edge features are accurately captured by calculating pixel gradient vector data, homology matching is performed on end points of a fracture contour according to a gradient direction trend, connection pixels are automatically interpolated and filled between the breakpoints along a tangential direction, and non-closed edge gaps caused by illumination or shielding are repaired to form a complete closed contour. A boundary uncertainty evaluation model is constructed by combining gray uniformity and gradient intensity in a local neighborhood, a smoothing processing intensity radius is adaptively adjusted according to the boundary uncertainty evaluation model, depth smoothing is applied to a high-risk area, high-confidence area details are reserved, zigzag artifact interference is eliminated, and a high-risk area is obtained. And a continuous and high-precision self-adaptive focus boundary conforming to the real anatomical form of the tissue is generated.

The utility model relates to the field of endoscopes, in particular to a cystoscope. The utility model relates to a cystoscope, which comprises a main body shell and a cystoscope body, an arc-shaped sliding groove communicated with the inner cavity is formed in the surface of the main body shell; a through hole is formed in one end of the main body shell; a pipe hole is formed in the other end of the main body shell; the movable pipe is movably mounted in the inner cavity of the main body shell; one end of the first connecting pipe penetrates through the arc-shaped sliding groove and is communicated with the side face of the movable pipe. At least part of the second connecting pipe penetrates through the through hole, and the second connecting pipe is movably connected with one end of the movable pipe; one end of the outer pipe is fixedly or movably connected to the pipe hole; a camera and an illuminating lamp are mounted at the other end of the inner tube; the main body shell is provided with the display connector which is fixedly connected with the main body shell, and the display connector is connected with the camera and the illuminating lamp through wires.

A system (100) for treating stress urinary incontinence in a patient includes a cystoscope (102) including a probe assembly (104) with a shaft (110) having a tip, an optical element (112) for capturing images, a display (118) or optical viewer for presenting the images; a rotatable sheath (400) with a shaft and at least one lumen configured to receive the cystoscope shaft, the sheath being rotatable about the cystoscope shaft: and a treatment needle (500) insertable through the sheath, the needle configured to inject a treatment agent into tissue, wherein the treatment agent comprises a non-animal stabilized hyaluronic acid.

The utility model relates to a cystoscope with bladder support structure's cystoscope, including cystoscope plug pole, the inside of cystoscope plug pole is equipped with the inner cover, the inner side swing joint of inner cover has the inner tube, the inside of inner tube is equipped with the camera, the inside of inner tube is equipped with the electric cautery, the one end of cystoscope plug pole equidistance is opened with fixed recess and first clamping groove, the inside swing of inner cover is equipped with the movable pull rope, the one end fixed connection of movable pull rope is away from cystoscope plug pole has the connection end block, through the mutual cooperation between the movable pull rope, the connection end block and the connection support open mechanism that is equipped with, can when inserting the inside of whole bladder, pull movable pull rope, drive connection end block to remove to be able to cause the pull of connection support open mechanism to the adjustment of connection support open mechanism can be carried out to the movable pull rope, and the movable pull rope is pulled to the inside of whole bladder, drives connection end block to remove, thereby can cause the pull of connection support open mechanism to the adjustment of connection support open mechanism can be carried on, makes connection support open mechanism can prop up the bladder, and the operation is convenient.

The invention relates to the technical field of medical instruments, in particular to a multifunctional urinary surgery cystoscope which comprises a cystoscope sheath and a mounting seat arranged at the tail of the cystoscope sheath, and further comprises a pressure monitoring module arranged at the tail of the mounting seat and connected with a pressure monitoring part located at the head of the cystoscope sheath, and a visual operation needle withdrawing module. The head of the cystoscope sheath is connected with an image transmission tube and a dosing channel which extend towards the head of the cystoscope sheath, so that the problems that in the prior art, the urinary surgery cystoscope is only provided with a single and linear operation channel, the urethra of a patient cannot be fully expanded, the patient feels uncomfortable or painful, the inner wall of the urethra is easily damaged, and the urethra cannot be fully expanded are solved. When medicine injection is carried out in precise target areas such as external urethral sphincter, a cystoscope body is high in rigidity, the direction of a needle head cannot be adjusted, an effective positioning means is lacked, accurate, safe and single-person operation is difficult to achieve, injection errors are large, and targeting is unknown.

The utility model relates to the field of medical instruments, and discloses a nephroscope and cystoscope combined joint which comprises a nephroscope body and a cystoscope body, the nephroscope body penetrates through the left surface of the cystoscope body, a quick release assembly is arranged on the right surface of the cystoscope body, and the quick release assembly comprises a positioning block. A mounting block is fixedly connected to the outer wall of the nephroscope body, an inserting groove is formed in the right surface of the positioning block, the positioning block is elastically connected with a moving ring through a compression spring, a clamping block penetrates through the upper surface of the mounting block and is in sliding connection with the upper surface of the mounting block, a clamping groove is formed in the outer wall of the left end of the mounting block, and a sealing assembly is arranged in the mounting block. According to the cystoscope, the nephroscope body and the cystoscope body can be quickly detached and fixed through the cooperation of the quick detaching assembly, the nephroscope body and the cystoscope body do not need to be pinched by a medical worker, convenience is improved, stability during fixing can be ensured, the influence on the medical worker is reduced, and the operation time is shortened.

This invention discloses a biomarker, reagent kit, and system for diagnosing bladder injury secondary to benign prostatic hyperplasia (BPH), relating to the field of biomedical detection technology. The biomarker for diagnosing bladder injury secondary to BPH is characterized in that it includes urinary DAB2 protein. This invention achieves (1) clinical applicability: accurate quantitative assessment of the degree of injury. The most significant clinical value of urinary DAB2 protein lies in its ability to transform traditional subjective bladder injury assessment into an objective quantitative indicator. (2) convenient detection: non-invasive and rapid assessment using urine samples. As a urine detection biomarker, urinary DAB2 protein completely changes the traditional bladder injury assessment's reliance on invasive or expensive examinations such as cystoscopy and CT. (3) clinical decision support: the grading diagnostic value of urinary DAB2 protein is directly translated into clinical decision support capabilities, helping to avoid the clinical dilemma of "overtreatment" or "undertreatment."

1. The name of the design product: storage disinfection box (cystoscope instrument). 2. The use of the design product: for storing and disinfecting cystoscope instruments. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

The three-channel cystoscope catheter comprises a cystoscope bridge, an instrument body, a valve body, a catheter body and a catheter head, the catheter head is arranged on the front end portion where the catheter body is located, the valve body is arranged on the rear end portion where the catheter body is located, and the catheter body is of a tubular structure penetrating front and back; an instrument cavity and a cystoscope cavity which are mutually independent are formed in the catheter body in the tubular axis direction, and a water outlet cavity is formed in a gap between the outer walls of the instrument cavity and the cystoscope cavity and the inner wall of the cavity of the catheter body; a water outlet hole communicated with the water outlet cavity channel is formed in the outer wall of the rear end part where the catheter body is located; the instrument body is arranged at the rear end of the valve body and communicated with the end of the instrument cavity and the end of the cystoscope cavity. The whole device adopts the independent instrument cavity and the water outlet cavity, continuous convection is formed when water is injected, the visual field of the cystoscope in a human body is kept clear, the cystoscope is safe, and urinary system examination, sampling, minimally invasive surgery and the like are completed effectively and accurately.

This invention discloses a bladder tumor segmentation method and system based on parallel branch-focused linear attention, belonging to the field of bladder tumor segmentation technology. The method includes: a main branch extracting specific morphological and structural features from cystoscopy images, combined with a novel focused linear attention module to achieve high efficiency and expressiveness; a fast convolutional branch capturing spatial details to compensate for the limitations of the main branch in full-size prediction; a spatial channel reconstruction convolutional residual module reducing redundant computation and promoting representative feature learning, thus lowering complexity and computational cost; and a prediction head connecting the main branch and the fast convolutional branch, fusing the coarse-grained features extracted by the main branch with the fine-grained features extracted by the fast convolutional branch to predict the segmentation map. This invention improves the morphological specificity of bladder tumors, the distinction between bladder tumors and normal tissues, and the problem of blurred bladder tumor boundaries, significantly improving computational efficiency.

The present invention is composed of a program for causing a computer to function as a means for detecting new blood vessels in a bladder endoscopic image, a means for calculating a ratio or an amount of the detected new blood vessels in the image, and a means for outputting the ratio or the amount. The present invention is also composed of a device or a system, the device comprising a memory that stores the program and a processor that executes the program, wherein, by executing the program, the processor functions as a means for detecting new blood vessels of the bladder surface layer in the bladder endoscopic image, a means for calculating the ratio or the amount of the detected new blood vessels in the bladder endoscopic image, and a means for outputting the ratio or the amount. The present invention enables objectification, visualization, quantification and / or standardization of the bladder condition of a patient, regardless of whether or not the patient has been diagnosed as having a disease.

The invention, which relates to the technical field of cystoscopes, discloses a high-definition wide-angle cystoscope imaging system comprising an objective lens assembly, an image rotation assembly and an eyepiece assembly. The outer diameter of the endoscope tube is 2.6 to 2.9 mm; the objective lens assembly comprises an objective lens I, a flat lens, an objective lens II, an objective lens gluing lens I and an objective lens gluing lens II which are sequentially arranged in the direction from the object space to the image space; the image rotation assembly comprises a plurality of groups of glued rod mirror assemblies which are sequentially arranged at intervals in the direction from the object space to the image space; the glued rod lens assembly comprises a glued rod lens I and a glued rod lens II which are sequentially arranged at an interval from the object space to the image space; the first glued rod lens comprises a first relay lens and a second relay lens which are sequentially and adaptively glued into a whole in the direction from the object space to the image space. The second gluing rod lens comprises a third relay lens and a fourth relay lens which are sequentially matched and glued into a whole in the direction from the object space to the image space. The eyepiece assembly comprises an eyepiece I, an eyepiece II and an eyepiece III which are sequentially arranged at intervals from the object space to the image space; the outer diameter of the lens body is small, and a large field angle and a high-definition imaging function can be realized.

This invention discloses a multi-scenario universal elastic cavity fluid dynamics research and testing method and system. It can automatically identify the cavity type based on the compliance coefficient of the elastic cavity and adjust the fluid injection mode, realizing unified adaptation for various intracavitary treatment scenarios such as laparoscopy, arthroscopy, ureteroscopy, and cystoscopy. The system can provide customized fluid dynamics environment according to the physical characteristics of different anatomical organs, such as compliance, pressure threshold, and inherent volume. It effectively solves the technical bottleneck of existing R&D equipment having single function and being unable to be universally applicable across scenarios, realizing universal simulation and research across organs and multiple scenarios.

The invention discloses a fetching bag convenient to pass through a cystoscope operation channel, and relates to the technical field of medical appliances, the fetching bag comprises a sheath of a hollow tube structure, the front end of the sheath is provided with a fetching bag, the bag opening of the fetching bag is provided with an annular cavity, an elastic ring is arranged in the annular cavity, and the elastic ring is connected with the sheath. A pull wire used for controlling the elastic ring to expand / contract is further arranged in the annular cavity, and a control assembly used for pulling the pull wire to control the bag opening of the fetching bag to be unfolded / closed is further arranged on the sheath. According to the fetching bag convenient to pass through the cystoscope operation channel, opening and closing of the fetching bag in the bladder can be achieved through the in-vitro control assembly, in-vivo complex operation is avoided, the operation efficiency is remarkably improved, and the operation difficulty and risk are reduced.

The utility model relates to the technical field of injection needles, and discloses a cystoscope injection needle capable of simultaneously injecting at multiple points, which comprises a needle body, a cystoscope body is sleeved on the outer wall of the needle body in a sliding manner, a handle is fixedly arranged on the outer wall of the cystoscope body, a fixing plate is fixedly arranged on the top of the handle, a cylinder is fixedly arranged on the top of the handle, and the cylinder is fixedly arranged on the outer wall of the cystoscope body. The inner wall of the cylinder is slidably sleeved with a pull rod, and a needle head is fixedly installed at the bottom of the needle body. According to the cystoscope injection needle capable of achieving simultaneous multi-point injection, a pull rod is pulled through external force, the pull rod drives a short rod to compress a second spring, so that the short rod slides on the inner wall of a cylinder, a clamping plate is separated from the outer wall of a needle body, and personnel can adjust the length of the needle head according to the position for injection; a short rod is pushed through the elastic force of a second spring to enable a clamping plate to be attached to the outer wall of the needle body to achieve clamping, the mirror body is used for checking, and the situation that the needle body drives a needle head to shake, and the stability of the needle body is reduced is avoided.

The application provides an injection needle and a urethra injection device, and relates to the technical field of injection needles. The injection needle comprises an injection needle head, a connecting pipe and a connecting joint. The needle tip of the injection needle head is located on the central axis of the injection needle head. The outer surface of the injection needle head is a same rotary curved surface. The injection needle head is internally provided with a liquid injection channel for injection liquid. The side wall of the injection needle head is provided with a liquid discharge hole in communication with the liquid injection channel. The injection needle head is fixedly installed at one end of the connecting pipe, and the liquid injection channel is in communication with the connecting pipe. The connecting joint is fixedly connected to the other end of the connecting pipe, and is used for connecting with an injection cylinder. The injection needle can be inserted into the urethra together with the sheath tube of a cystoscope to inject the urethra wall, and can reduce the damage to the urethra wall and is not easy to pierce into blood vessels to cause bleeding.

A cystoscope accessory device and a single-handed fixing member (1). The cystoscope accessory device is adapted to fix a surgical instrument (2), and comprises the single-handed fixing member (1) and an accessory main body (3), wherein the accessory main body (3) comprises an outer sleeve (31) and is provided with an instrument channel (32). The instrument channel (32) runs through to a front end surface from a rear side portion of the outer sleeve (31). The surgical instrument (2) is fixed in the instrument channel (32) by means of the single-handed fixing member (1), the single-handed fixing member (1) is detachably mounted to the tail portion of the accessory main body (3), and the single-handed fixing member (1) is arranged at a position close to the rear of an entrance of the instrument channel (32), so that an operator can control the surgical instrument (2) while controlling the outer sleeve (31) of a cystoscope, thereby realizing single-handed operation by a single person.

This invention discloses a cystoscope with pressure detection function, belonging to the field of medical device technology. It comprises a sheath and a cystoscope body. The sheath is divided into a distal and proximal end, containing an irrigation chamber and a pressure measuring chamber. The pressure measuring chamber contains a sheath, the open end of which is sealed to the chamber wall, and the closed end extends proximally. The cystoscope body is adapted to the pressure measuring chamber and contains a sensor chamber, including a tension sensor and an adjustment component. The sensor is connected to the end of the adjustment component, and the closed end of the sheath is connected to the sensor via a first pull cable. The sensor measures tension data, and the adjustment component adjusts the axial position of the sensor, ensuring that the pull cable and sheath are taut after the cystoscope body is inserted. This invention uses a sheath within the pressure measuring chamber, dividing the internal space into an outer and inner side. Intrabladder pressure causes axial deformation of the sheath, which is converted into tension changes via the first pull cable and detected by the sensor. This is a mechanical transmission rather than a fluid-like transmission. Even if air bubbles enter the pressure measuring chamber from the irrigation fluid, the bladder pressure can still be effectively transmitted, and the sheath will deform accordingly, improving measurement accuracy.

A urine exosome marker panel for detecting bladder cancer and the use thereof. The provided biomarker panel comprising IGF2, KRT20, SPAG5, NRP1 and DHRS2 is used for detecting bladder cancer patients. The marker panel is used to construct a prediction model, and the model is trained by means of a training set and optimized by means of a test verification set, so as to finally obtain an early diagnosis prediction model for bladder cancer. The provided exosome marker panel and prediction model enable relatively accurate early screening of clinical samples from patients clinically suspected of having bladder cancer, presenting with symptoms such as hematuria, frequent urination, urgent urination, and dysuria, and for whom cystoscopy is recommended by clinical diagnosis, wherein the optimal marker panel is IGF2+KRT20+SPAG5+NRP1, with an AUC of 0.902, a sensitivity of 86.8%, a specificity of 83.0%, and an accuracy of 84.8%, demonstrating favorable clinical diagnostic value.

The utility model relates to an auxiliary identification device for prostate surgery, which comprises a tube body arranged in the urethra in a sliding manner, one end of the tube body is detachably connected to the inlet end of a cystoscope, and the other end of the tube body extends into the urethra from the outlet end of the cystoscope; the solid section is arranged at the far end of the tube body and is used for limiting the distance between two adjacent treatment point positions; the hollow section is arranged at the near end of the catheter body, an electrocoagulation hook is arranged in the hollow section, and the electrocoagulation hook is used for marking the multiple treatment point positions on the prostate lobes on the two sides of the urethra in an electrocoagulation mode. The device has the advantages of being exquisite in size, easy to operate and accurate in positioning, and is used for auxiliary measurement and positioning operation before the prostate steam ablation operation. The utility model further relates to a cystoscope with the auxiliary identification device.

The utility model discloses an air bag catheter with a fixer, which comprises a catheter, one side of the catheter is provided with a liquid inlet / outlet, and one side of the catheter close to a urine outlet is further provided with a liquid medicine inlet pipe; an air bag tube is mounted on the outer side of the catheter, and a positioning air bag is mounted on the side, close to the liquid inlet and outlet, of the air bag tube; a fixing mechanism is installed on the outer side of the air bag pipe. The urethral catheter fixing device has the advantages that the insertion depth of the urethral catheter can be limited, the situation that the feeling of a patient is affected due to excessive insertion of the urethral catheter is avoided, the urethral catheter fixing device can be matched with a double-J tube or a single-J tube, a long suture can be fixed to the tail end of the bladder side of the double-J tube or the single-J tube, the tail end of the suture can be exposed out of a urethral orifice, and the suture is fixed to the mounting ring. When the double-J tube or the single-J tube needs to be pulled out, the double-J tube or the single-J tube can be pulled out by dragging the line, operation under anesthesia and cystoscopy are avoided, in addition, the double-J tube or the single-J tube can be matched with the ureteral catheter, and the ureteral catheter can be fixed to the mounting ring through the line and is prevented from falling off.

The utility model relates to the technical field of medical auxiliary instruments, in particular to a hardness-adjustable cystoscope which comprises a handle part and an insertion part, the insertion part comprises a cystoscope tube, the cystoscope tube is of a hollow tube body structure made of flexible materials, one end of the cystoscope tube is installed on the handle part, and the other end of the cystoscope tube is used for being inserted into a to-be-examined part of a patient; a pressure cavity is formed in the tube wall of the endoscope tube in the extending direction of the endoscope tube, a pressure medium is stored in the pressure cavity, the pressure medium can apply pressure to the inner wall of the pressure cavity to increase the pressure of the pressure medium, and the pressure medium applies acting force to the inner wall of the pressure cavity to increase the hardness of the endoscope tube. According to the cystoscope with the adjustable hardness, the cystoscope tube made of the flexible material can be easily inserted into the urethra of a patient, the pain of the patient is relieved, and when operation with high controllability is needed, the pressure of the pressure medium is increased, so that the cystoscope tube is hardened, and the controllability is improved.

The invention discloses an AI-based bladder tumor microscopic examination auxiliary diagnosis and operation planning system, and relates to the technical field of medical artificial intelligence. The system comprises an image acquisition module, an AI diagnosis module, an operation planning module and a human-computer interaction interface, real-time high-precision analysis and diagnosis of cystoscope images are realized through an improved HRNetV2 neural network and multi-resolution feature fusion, and exosome spectral analysis is integrated to assist in early screening. The system can automatically generate a personalized surgical scheme based on a diagnosis result, supports three-dimensional reconstruction and surgical path planning, and can be in butt joint with a flexible surgical robot to execute accurate operation. The bladder tumor diagnosis accuracy and the operation safety are effectively improved, dependence on external labeled data is reduced, and good clinical applicability and popularization value are achieved.

The invention provides a cystoscope with a filter assembly, the cystoscope comprising a filter assembly, the filter assembly comprising a bearing upper cover plate, a filter, a roller, a bearing inner ring plate, a bearing outer ring plate and a bearing lower cover plate, the bearing inner ring plate being nested in the bearing outer ring plate, the bearing upper cover plate and the bearing lower cover plate covering two sides of the bearing outer ring plate respectively, the bearing inner ring plate, the bearing outer ring plate, the bearing upper cover plate and the bearing lower cover plate forming a bearing cavity of the filter assembly, the roller being put into the bearing cavity, the bearing cavity with the roller being a bearing of the filter assembly, and the filter being adhered to the bearing inner ring plate. In this way, the filter assembly does not affect the rotation of the cystoscope when the cystoscope rotates, and the filter does not tilt and leak light.

The embodiment of the invention relates to the field of electronic cystoscopes, in particular to a pathological information collecting and processing method based on rearview electronic cystoscope equipment. A specific embodiment of the method comprises the following steps: in response to a received bladder pathology information acquisition instruction of a corresponding target user, controlling medical light equipment included in rearview electronic cystoscope equipment to irradiate a first bladder endoscope and a second bladder endoscope included in a rearview electronic cystoscope sheath; controlling an associated medical camera to shoot a first bladder image and a second bladder image of the target user; inputting the first bladder image and the second bladder image into a pre-trained pathological image reconstruction model, and sending the first bladder pathological image and the second bladder pathological image to an associated doctor display terminal; and carrying out pathological abnormality detection processing, and sending bladder pathological information to an associated doctor display terminal. According to the embodiment, the complete bladder image can be collected in time, and then the diagnosis error is reduced.

The invention belongs to the technical field of medical instruments, and provides a liquid collection and splash-proof system for cystoscopy, which comprises a collection cylinder, a sealing air bag, an annular sealing curtain and a sealing ring. The sealing air bag is arranged at one end of the collecting cylinder and used for tightly holding and sealing the penis of a patient. The sealing ring is connected to the inner wall of the collecting cylinder through an annular sealing curtain, and the inner ring is dynamically sealed with the cystoscope body. The system is further provided with a clamping mechanism composed of an operation ring, a connecting rod and an annular driving plate and a linkage assembly composed of a pulley, a linkage rope, a sliding block and a limiting pin, and penis sealing and endoscope body channel expansion can be synchronously achieved when the operation ring is pushed. According to the system, overflowing lavage fluid is completely limited in the collecting cylinder through a double-sealing structure and is guided out through the liquid discharging hole, and pollution is effectively prevented; meanwhile, the cystoscope has the advantages of self-adaptive adjustment, simplicity and convenience in operation, capability of supporting smooth movement of the cystoscope body and the like, and sanitation and operation efficiency of cystoscope examination are remarkably improved.

The present application relates to the technical field of medical apparatus and instruments, in particular to a disposable urethral bougie, which comprises an image acquisition rod and a capturing rod, the image acquisition rod comprises a main rod section and a bent head section, a working channel is further arranged in the main rod section, the capturing rod comprises a capturing section and a shaft rod section, the shaft rod section is arranged in the working channel, the capturing section and the bent head section have a first matching mode and a second matching mode, a limiting clamping groove is further arranged on the capturing section, the limiting clamping groove comprises a first groove section and a second groove section, a forceps channel is further arranged in the capturing rod, and the opening of the forceps channel is opposite to the limiting clamping groove. In the operation of capturing the curled end of a double J tube in the human body, the medical staff rotates the shaft rod section, so that the displacement path of the capturing section can accurately cover the space area where the target ureteral orifice is located, the defect that the axial displacement path of the traditional cystoscope and the space position of the ureteral orifice are difficult to coincide is effectively solved, and the operation success rate of capturing the curled end of the double J tube is improved.

1. The name of the design product: cystoscope handle. 2. The use of the design product: the design product is used for the handle of cystoscope. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

A ureteral catheter for use in percutaneous nephrolithotomy, the ureteral catheter comprising a balloon catheter, an inner tube (3), an infusion channel (4) and a connecting portion (5), wherein the balloon catheter comprises a hollow outer tube (1) and a balloon (2), the balloon (2) being configured to occlude the ureteropelvic junction after being inflated; the inner tube (3) is hollow and is configured to inject fluid into the renal pelvis; the inner tube (3) passes through the interior of the balloon catheter; the infusion channel (4) is formed between the outer tube (1) and the inner tube (3), and the infusion channel (4) is configured to inflate the balloon (2); the connecting portion (5) is detachably connected to the outer tube (1) and the inner tube (3); when the connecting portion (5) is removed, a cystoscope is withdrawn; and the connecting portion (5) is also configured to connect to an external syringe that is configured to inject fluid into the inner tube (3) and / or the infusion channel (4). The ureteral catheter can not only form artificial hydronephrosis, but also occlude the ureteropelvic junction to prevent stone migration. Moreover, the connecting portion (5) at the rear end of the ureteral catheter is detachable, so that by removing the connecting portion (5) prior to turning the patient to the prone position, the cystoscope can be withdrawn promptly.

The utility model relates to the technical field of medical instruments, in particular to a cystoscope with a suction function. The computer comprises a case and a host, an adjusting mechanism is arranged on one side of the case and comprises a supporting plate, the supporting plate is fixedly connected with one side of the case, a sliding groove is formed in the inner surface of the supporting plate, and two bottom plates are slidably connected to the inner surface of the sliding groove; the device comprises two bottom plates, four buckles are fixedly connected to the inner surfaces of the two bottom plates, two positioning blocks are fixedly connected to the inner surfaces of the bottom plates, springs are fixedly connected to the inner surfaces of the two positioning blocks, and a cover plate is fixedly connected to one side of each bottom plate. Two round head columns are slidably connected to one side of the cover plate, the round head columns are matched with the sliding grooves in size, and fixing frames are fixedly connected to the sides, close to each other, of the two bottom plates. The problems that it is troublesome to view a screen when an operator carries out operation, and residues cannot be taken out when the operator carries out operation are solved.