106 results about "Cystoscopes" patented technology

The present invention relates to the technical field of medical devices, and in particular to a cystoscope capable of accurately locating the position of a double-J tube, comprising a handle portion and a mirror body portion, a clamp channel being arranged in the mirror body portion, the mirror body portion comprising an operating section and a main mirror tube section, an imaging system for photographing images being arranged at the end of the operating section; a tube clamping assembly is also arranged in the operating section, the tube clamping assembly comprises a limit plate and a push component, the limit plate is connected to the push component, and the clamp channel is arranged above the limit plate; a limit card slot is also arranged along the central axis of the limit plate, baffles are also arranged on both sides of the limit card slot body, and the double-J tube can pass through the baffles. In the removal operation of the double-J tube, when the double-J tube passes through the baffle, the mirror body portion is pulled backward, and in this process, the length of the double-J tube above the limit plate is gradually shortened, the originally curled end of the double-J tube can be gradually stretched, and the end of the double-J tube can be exposed on the surface of the limit plate, thereby improving the convenience of removing the double-J tube.

The utility model discloses a pair of combined visual grasping forceps, which comprises a grasping forceps and a handheld endoscope, the grasping forceps comprises a connector, a forceps head control handle, a main body outer tube and a forceps head, the handheld endoscope comprises a handheld handle, an endoscope body and an image processing display module, the rear port of the grasping forceps is connected with the front port of the handheld endoscope, and the front port of the handheld endoscope is connected with the main body outer tube. The endoscope body is arranged on the inner side of the main body outer tube in a sleeving mode, a connecting column and an inserting hole are formed in the connecting position of the grabbing clamp and the handheld endoscope, and the connecting column is inserted into the inner side of the inserting hole; the outer diameter of a maximum insertion part entering a human body can be ensured to be thinner and semi-rigid compared with the outer diameter of a cystoscope, the pain and injury of a patient can be effectively reduced, the transparent head end of the grasping forceps separates the endoscope from the human body and isolates bacteria from the endoscope, the endoscope does not need to be cleaned and disinfected, the grasping forceps are disposable, and the grasping forceps are simple in structure and made of a high polymer material, so that the grasping forceps are convenient to use. The overall cost is low, and the operation cost is effectively reduced.

The invention relates to the technical field of medical instruments, in particular to a cystoscope capable of accurately positioning double J tubes, which comprises a handle part and a cystoscope body part, a forceps channel is arranged in the cystoscope body part, the cystoscope body part comprises an operation section and a main cystoscope tube section, and an imaging system for shooting images is arranged at the end part of the operation section; a pipe clamping assembly is further arranged in the operation section and comprises a limiting plate and a pushing part, the limiting plate is connected with the pushing part, and the clamp channel is arranged above the limiting plate; a limiting clamping groove is further formed along the center axis of the limiting plate, baffles are further arranged on the two sides of a groove body of the limiting clamping groove, and the double-J pipe can pass through the baffles. In the pulling-out operation of the double-J tube, when the double-J tube passes through the baffle and then pulls the mirror body part to move backwards, in the process, the length of the double-J tube above the limiting plate is gradually shortened, the originally curled end part of the double-J tube can be gradually stretched, and the end part of the double-J tube can be exposed out of the surface of the limiting plate, so that the taking-out convenience of the double-J tube is improved.

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 present application provides a ureteral stent, a traction mechanism, and a ureteral stent system. The ureteral stent system comprises the ureteral stent and the traction mechanism. A urine guide channel is formed in the ureteral stent; the ureteral stent comprises a middle part, and a renal pelvis part and a bladder part which are arranged on the two opposite sides of the middle part; the renal pelvis part and the bladder part are both in a curved shape; the traction mechanism comprises a traction member and a sliding member; an accommodating recess is formed in the peripheral side wall of the traction member; at least part of the bladder part can be arranged in the accommodating recess; the traction member is further provided with a slide channel communicated with the accommodating recess; part of the sliding member is arranged in the slide channel; and the sliding member can slide relative to the traction member such that an opening of the accommodating recess can be closed or open. When at least part of the bladder part is arranged in the accommodating recess and the opening of the accommodating recess is closed, the ureteral stent is fixed to the traction member. Therefore, the ureteral stent can be pulled out of the body of a user along with the traction mechanism, such that the user does not need to have a cystoscopy operation for pulling out the ureteral stent, thereby enhancing the user experience.

The present invention relates to a cystoscopy device (100) comprising a tubular main probe (200), a cavitation probe (300), and an image capturing optical unit (400). The main probe (200) sequentially comprises a guide section (210), a separation section (220), an abutment section (230), and an articulated section (240) having a plurality of joint units (241) aligned end to end. The cavitation probe (300) comprises a flexible transmission tube (310) extending along the main probe (200) for transmitting a cavitation fluid to a flow-restricting nozzle (320), and a flow-restricting nozzle (320) positioned at an open end of the articulated section (240) having an inner diameter smaller than the inner diameter of the transmission tube (310) to create cavitation.

A disinfection-free soft cystoscope, a repeatable soft cystoscope kit and a disposable soft cystoscope housing (610) wherein the disinfection-free soft cystoscope comprises a bendable cystoscope body (10) comprising a control body (11), an imaging element (14) and at least one lighting element (13), the imaging element (14) and the lighting element (13) are independently arranged at the top end of the control body (11), the bending angle and the bending direction of the control main body (11) are suitable for being adjusted; and an outer housing (20) having a housing (21), a visual channel (22) and a working channel (23), the visual channel (22) and the working channel (23) being longitudinally arranged in the housing (21) independently of each other, the working channel (23) being adapted to perfuse and mount a surgical instrument, the bendable mirror (10) being detachably mounted in the visual channel (22), the bendable mirror (10) being detachably mounted in the working channel (23), and the bendable mirror (10) being detachably mounted in the working channel (23). The disinfection-free soft cystoscope can execute corresponding operation under the visual condition, and the bendable cystoscope body (10) is installed in the outer shell (20) in a sealed mode so as to isolate the external environment.

The utility model belongs to the technical field of medical instruments, in particular to a ureter stent tube and a pulling device, which comprises a stent tube, a guide wire, a pushing tube, a catheter and a catcher, a plurality of tail wires are arranged on the stent tube, a plurality of suckers are arranged on the tail wires at equal intervals, one end of the pushing tube wraps the tail wires and is sleeved at the outer end of the stent tube, and the other end of the pushing tube is sleeved at the outer end of the catheter. A first operation cavity, a second operation cavity, an air inflation cavity and a water injection cavity are formed in the catheter, the first operation cavity and the second operation cavity facilitate penetrating of the guide wire and the capturing device, the air inflation cavity facilitates air inflation into the air bag, the water injection cavity injects water into the bladder, a traction base, a mounting plate and a reset spring are arranged in the capturing device, and the traction base is connected with the mounting plate and a pull ring through a traction rope. By means of the device, a stent tube can be directly pulled out conveniently, pain and inconvenience caused by pulling out of special instruments such as a cystoscope and a ureteroscope can be avoided, and meanwhile the economic burden of a patient is reduced.

1. Name of the design product: Bridge for cystoscope deflector. 2. Use of the design product: For surgical instruments. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: Stereogram.

This application provides a cystoscope assembly device, belonging to the field of medical device assembly technology, comprising: a pair of push plates, each having multiple first receiving slots arrayed on its inner side; a pair of first pushing mechanisms vertically disposed on the outer side of the pair of push plates; a suspension mechanism, including a long strip-shaped support block and multiple sets of snap-fit ​​components; the support block is movably disposed on one side of a vertical plate; the top of the support block has multiple arc-shaped slots arrayed through both sides of the support block; each set of snap-fit ​​components includes two arc-shaped snap-fit ​​housings, respectively used for snapping the image connector and the laser power connector; each snap-fit ​​housing has a pull rod vertically connected to its outer side; the pull rods vertically pass through the vertical plate and connect to the same connecting plate; a second pushing mechanism is disposed between the connecting plate and the vertical plate; push rods pass through each snap-fit ​​housing; and a linear mechanism, disposed above the suspension mechanism, used to drive the suspension mechanism to move along the length direction of the push plates. This method avoids contact with the flexible sheath and water injection connector during cystoscope assembly, preventing contamination.

The utility model relates to the technical field of medical instruments, in particular to a portable cystoscope which comprises an endoscope body and a handle portion, a display assembly is connected to the handle portion, the handle portion comprises a first handle body section and a second handle body section, and the second handle body section is arranged on the side face of the second handle body section. The second handle body section extends towards one side of the top of the first handle body section, a forceps channel for the foreign body forceps to extend into is arranged in the first handle body section, the forceps channel is communicated with a working channel in the endoscope body, and the central axis of the forceps channel coincides with the central axis of the working channel in the endoscope body. The second handle body section is arranged on the side face of the first handle body section, so that an independent operation space can be formed in the top area of the first handle body section, and the central axis of the clamp channel can coincide with the central axis of the working channel in the endoscope body. Therefore, the resistance of instruments such as sampling forceps and the like extending into the endoscope body along the working channel in the endoscope body is effectively reduced, and the convenience of the endoscope in use is improved.

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.

A surgical laser system includes an array of laser diodes that are configured to output laser energy, a fiber bundle, a delivery fiber, and a tubular sheath. The fiber bundle includes a plurality of optical fibers and has a proximal end that is configured to receive laser energy from the array of laser diodes. The delivery fiber includes a proximal end that is configured to receive laser energy from a distal end of the fiber bundle. The tubular sheath defines a lumen, in which at least a portion of the delivery fiber is disposed. The tubular sheath is insertable into a working channel of an endoscope or a cystoscope. A distal end of the tubular sheath is configured to deliver laser energy discharged from the delivery fiber into a body of a patient.

The utility model discloses a cystoscope examination protection pad convenient to replace, and relates to the technical field of medical auxiliary instruments. The cystoscope examination protection pad comprises a protection pad assembly and a sleeving assembly, the protection pad assembly is provided with a protection pad body and a hook-and-loop fastener, and the sleeving assembly is used for achieving convenient and fast disassembly and assembly of the protection pad body and an examination bed. The protective pad and the examination bed can be conveniently disassembled and assembled through the sleeving assembly and the hook-and-loop fastener, when the protective pad needs to be replaced, only the pull rope needs to be slightly pulled upwards to enable the edge of the protective pad to slightly tilt upwards, then the pull rope is quickly pulled, and at the moment, the pull rope can contract the folded edge wrapping ring, so that the protective pad can be conveniently replaced. The edge of the protective pad is integrally shrunk inwards, the hook-and-loop fastener is separated from the hook-and-loop fastener under the action of the pulling force, so that the protective pad is preliminarily folded and separated from the examination bed, finally, the protective pad can be folded for multiple times, and the protective pad can be folded and fixed by winding the pull rope on the outer side of the protective pad. Concentrated collection is facilitated, and overall operation is simple and convenient.

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 present disclosure relates to a DNA methylation markers combination for bladder cancer risk stratification, which includes methylation regions as denoted by any one or more of SEQ ID NOS:1-22 or any one or more of complementary sequences thereof. The present disclosure further provides a clinical application of the three-class stratification mode before operation based on the selected appropriate molecular marker combinations, to promote the rational use of current diagnosis and treatment methods, consequently patients with negative BC can avoid excessive invasive cystoscopy, while HR-NMIBC or MIBC can expedite diagnosis and surgical operations, and the definite LMR-NMIBC patients can follow standard diagnostic modalities.

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."

A surgical laser system includes an array of laser diodes that are configured to output laser energy, a fiber bundle, a delivery fiber, and a tubular sheath. The fiber bundle includes a plurality of optical fibers and has a proximal end that is configured to receive laser energy from the array of laser diodes. The delivery fiber includes a proximal end that is configured to receive laser energy from a distal end of the fiber bundle. The tubular sheath defines a lumen, in which at least a portion of the delivery fiber is disposed. The tubular sheath is insertable into a working channel of an endoscope or a cystoscope. A distal end of the tubular sheath is configured to deliver laser energy discharged from the delivery fiber into a body of a patient.

The invention relates to a cystoscope image processing method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring a cystoscope image; detecting a target object in the cystoscope image by using a target detection model to obtain a target object detection result of the cystoscope image; wherein the target detection model is a model constructed based on a yolov11 network, the target detection model uses a multi-scale convolution module to replace a c3k2 module in the yolov11 network, and an output module of the target detection model comprises a micro-target detection head; and the multi-scale convolution module performs channel-by-channel convolution on the input features by using a plurality of convolution kernels with different scales to obtain first features output by the convolution kernels, fuses the first features to obtain second features, and performs residual connection on the second features and the input features to obtain output features. By adopting the method, the detection precision and efficiency of the target object in the cystoscope image can be improved.

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 utility model discloses a ureteral stent bladder end auxiliary device which comprises a metal ball and a hollow tubular channel, and the metal ball is provided with a through hole matched with the outer diameter of the hollow tubular channel. The front end of the hollow tubular channel extends into the through hole from the tail end of the metal ball and is fixed to the tail end of the metal ball through the degradable fixing layer, and the rear end of the hollow tubular channel is used for being connected with a ureter support. A non-absorbable suture is wound on the outer wall of the hollow tubular channel, the front end of the non-absorbable suture penetrates through the degradable fixing layer and then is connected with the tail end of the metal ball, and the rear end of the non-absorbable suture is used for being connected with a ureteral stent. By means of the ureteral stent taking device, the invasive operation of taking the ureteral stent through a traditional cystoscope can be avoided, the medical cost is reduced, the iatrogenic injury risk is reduced, and secondary anesthesia is further avoided for a patient needing anesthesia.

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 utility model provides a portable cystoscope which comprises a connecting piece, a photosensitive element and an image acquisition card are arranged in the connecting piece, a tube lens needle is arranged on one side of the connecting piece, a mounting seat is arranged at the bottom of the connecting piece, two sliding grooves are formed in the top of the mounting seat, inserting blocks are arranged in the two sliding grooves, a first U-shaped limiting block is fixedly connected to one side of the top of the mounting seat, and a second U-shaped limiting block is fixedly connected to the other side of the top of the mounting seat. The other side of the top of the mounting base is fixedly connected with a connecting plate, the connecting plate is in threaded connection with a screw rod, one end of the screw rod is fixedly connected with a rotating block, the other end of the screw rod is rotationally connected with a second U-shaped limiting block through a bearing, the first U-shaped limiting block and the second U-shaped limiting block are both attached to the outer surface of the connecting piece, and a holding rod is arranged at the bottom of the mounting base; the connecting piece and the endoscopic needle can be conveniently taken down, the dismounting efficiency is improved, the dismounting time is saved, operation is easy and convenient, and subsequent cleaning of the endoscopic needle is facilitated.

The invention relates to the technical field of cystoscopes, and discloses a cystoscope with a positioning function, a cystoscope main body is provided with a positioning assembly, a catheter main body is provided with a limiting block, the limiting block is provided with a clamping ring, the positioning assembly comprises a rotating disc, a fixing pipe and a plurality of connecting blocks, and the fixing pipe is arranged at the output end of the cystoscope main body; the rotating disc is rotatably provided with an output end of the cystoscope main body, a mounting groove is annularly formed in the inner wall of the rotating disc, the connecting blocks are arranged in the mounting groove, the positioning blocks are arranged at one end of the fixing pipe, the connecting blocks are connected with the positioning blocks, the positioning blocks can abut against clamping rings on the outer walls of the limiting blocks, and tension springs are arranged between the connecting blocks and the fixing pipe; the tension spring is arranged between the positioning block and the fixing tube, so that the catheter main body can move in a small range at the output end of the cystoscope main body, and the phenomenon that when the angle of the catheter main body is adjusted, the joint of the catheter main body and the cystoscope is bent, and conveying of the cystoscope and observation definition of medical staff are affected is avoided.

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 utility model discloses a cystoscope removal-free ureter inner stent tube and a removal structure thereof, the cystoscope removal-free ureter inner stent tube comprises a ureter stent tube and a guide tube capable of leading out the ureter stent tube from the bladder, the ureter stent tube comprises a first J-shaped head of which one end is arranged at the pelvis and a second J-shaped head of which the other end is arranged in the bladder; the second J-shaped head is provided with the magnetic attraction piece, the end of the guide tube is provided with the magnetic body capable of attracting the magnetic attraction piece, and compared with a traditional secondary taking-out operation of the stent tube in the ureter, the guide tube can rapidly position and attract the second J-shaped head in the bladder, and convenience and rapidness are achieved.