102 results about "Kidney pelvis" patented technology

The utility model relates to the technical field of medical instruments, and particularly discloses a ureteral stent which comprises a catheter and a one-way valve, one end of the catheter is provided with a first curly section, the other end of the catheter is provided with a second curly section, and the one-way valve is formed by two integrally-formed diaphragms which are attached to each other. One part of the second curled section extends into the space between the two membranes through the liquid inlet end, liquid outlet holes are formed in the side wall of the second curled section, the liquid outlet holes are located in the part, extending into the space between the two membranes, of the second curled section, the liquid outlet direction of at least one liquid outlet hole intersects with the first direction, and the first direction is the opposite direction of the two membranes; according to the scheme, the two diaphragms are attached to each other to enable the one-way valve to be in a closed state, urine can be effectively prevented from flowing back to the kidney to cause kidney injury, the liquid outlet direction of the first liquid outlet hole in the second curly section intersects with the first direction, and even if the two diaphragms are attached to each other to enable the one-way valve to be in the closed state, the urine can be effectively prevented from flowing back to the kidney. When the catheter is in use, the membrane is difficult to shield the liquid outlet hole, and urine at the pelvis can still flow through the catheter and flow into the one-way valve through the unshielded liquid outlet hole, so that the urine at the bladder is prevented from flowing back to the kidney, the urine conveying smoothness can be ensured, and the safety of the kidney is further ensured.

Apparatus, systems, and methods provide access to the renal pelvis of a kidney to treat renal nerves embedded in tissue surrounding the renal pelvis. Access to the renal pelvis may be via the urinary tract or via minimally invasive incisions through the abdomen and kidney tissue. Treatment is effected by exchanging energy, typically delivering heat or extracting heat through a wall of the renal pelvis, or by delivering active substances to ablate a thin layer of tissue lining at least a portion of the renal pelvis to disrupt renal nerves within the tissue lining of the renal pelvis.

The present invention seeks to protect a renal pelvic pressure monitoring device, which includes a ureteroscope, an operation channel is provided in the ureteroscope, the ureteroscope is used to enter the renal pelvis from the ureter, a pressure detection ring is arranged around the outer wall of the ureteroscope, a pressure measuring channel is provided on the pressure detection ring, a pressure measuring pipe is arranged in the pressure measuring channel, one end of the pressure measuring pipe is flush with the pressure measuring channel, and the other end extends outside the body and is connected to the pressure detector, and a fixing bag is arranged around the outer wall of the pressure detection ring, and the fixing bag is used to fix the position of the ureter. In summary, the above technical scheme has the following beneficial effects: the ureteroscope is consistent with the existing surgical soft mirror, and has functions such as lighting, lithotripsy and liquid injection. The pressure detection ring on the ureteroscope can detect the pressure after the liquid is injected into the renal pelvis, and then the pressure in the renal pelvis can be further adjusted by adjusting the injection speed and injection amount through the ureteroscope.

In an illustrative embodiment, systems and methods for treatment of nerves present in a wall of a human renal pelvis are described. One system uses a sheath to access a position in or near the renal pelvis via the urinary tract. An effector inserted through the sheath has an uncooled distal region formed with a superelastic wire that supports at least four non-insulated, preferably spherical electrodes distributed along the distal region. The distal region expands within the renal pelvis, and vacuum applied through the sheath at least partially evacuates the renal pelvis to draw opposing walls of the renal pelvis inwards and compress the distal region somewhat from its expanded form, placing the electrodes in intimate contact with different points along the renal pelvic wall. Energy is applied to the electrodes to create discrete lesions at the points of contact of the electrodes.

The invention relates to the technical field of biomedical detection, in particular to a urinary tract epithelium cancer detection marker composition based on ONECUT2 and DMRTA2 gene methylation, which comprises a CpG island region of an ONECUT2 gene, a CpG island region of a DMRTA2 gene and a kit for detecting urinary tract epithelium cancer. The CpG island region of the ONECUT2 gene is located in chr18: 57441548-57441674, and the CpG island region of the ONECUT2 gene is located in The CpG island region of the DMRTA2 gene is located in chr1: 50418714-50418823, and the CpG island region of the DMRTA2 gene is located in chr1: The kit for detecting urothelial carcinoma comprises a first primer pair and a first probe which are used for specifically detecting the methylation state of the CpG island region of the ONECUT2 gene in the claim 1, and a second primer pair and a second probe which are used for specifically detecting the methylation state of the CpG island region of the DMRTA2 gene. The urinary tract epithelium cancer detection marker composition based on ONECUT2 and DMRTA2 gene methylation has high sensitivity and high specificity, the sensitivity and the specificity are both 90% or above, early-stage and low-grade urinary tract epithelium cancer can be effectively detected, comprehensive coverage is achieved, and the urinary tract epithelium cancer detection marker composition is not only suitable for bladder cancer, but also suitable for upper urinary tract epithelium cancer such as renal pelvis cancer and ureter cancer.

The utility model belongs to the technical field of drainage devices, and discloses a ureteral stent external drainage device which comprises a hard silicone tube arranged outside a patient body, part of the hard silicone tube is located in the patient body, and the liquid inlet end of the hard silicone tube is fixedly connected with a soft silicone tube. The liquid inlet end of the soft silicone tube extends to a pelvis ureter connecting part of a patient to the interior of the ureter along a preset puncture path, a channel for conveying liquid along the preset path is formed between the soft silicone tube and the hard silicone tube, and the diameter of the channel is not smaller than that of the puncture needle; the hard silicone tube is provided with a fixing piece used for fixing the hard silicone tube, the fixing piece is located outside a patient body, after the hard silicone tube and the soft silicone tube are placed in the pelvic ureter in the patient body in an operation, the wound of the connecting portion of the pelvic ureter matched in the operation is supported through the soft tube, and effusion is guided to be discharged through the soft silicone tube and side holes in the soft silicone tube. The device can be placed in the body of a patient for a long time, and the replacement frequency is low.

The invention relates to the technical field of medical instruments, in particular to a ureter leading-in sheath with real-time pressure monitoring capability, which comprises a sheath tube and a sheath seat arranged at the near end of the sheath tube, the sheath seat is provided with a perfusion joint and a suction joint, and the sheath tube defines a channel for an instrument to pass through; the resistance detection piece is arranged on the sheath and is used for detecting the axial propelling resistance borne by the sheath tube when the sheath tube enters the human body cavity in real time and generating a resistance signal; the torque detection piece is arranged on the sheath and used for detecting the circumferential torque borne by the sheath tube when the sheath tube rotates in the human body cavity in real time and generating a torque signal; by arranging the detection system composed of the resistance detection piece, the torque detection piece and the pressure detection piece, objective operation guidance and over-limit early warning can be provided through real-time and quantitative force and pressure monitoring, and the risk of ureteral injury and renal pelvis high pressure related complications is greatly reduced.

In an illustrative embodiment, systems and methods for treating kidney disease in a human patient are disclosed. A method includes advancing a collapsible array of RF electrodes through a urinary tract of the patient in collapsed form and into a position in or near a renal pelvis. The effector is deployed to an expanded form to engage at least a portion of an interior wall of the renal pelvis. RF energy delivered through the array of electrodes target afferent nerves proximate the interior wall of the renal pelvis to inhibit or destroy their function. eGFR of the patient can be raised after treatment according to the method.

The utility model provides a ureter support, which relates to the technical field of medical instruments and comprises a tube body, a plurality of drainage holes and a cavity channel for flow guide liquid to pass through are arranged on the tube body, a fixing wire is further arranged on the tube body, the fixing wire is arranged along the axial direction of the tube body, the hardness of the fixing wire is higher than that of the tube body, and the tube body can be shaped by the fixing wire. By arranging the fixing wire, under the condition that the flexibility of the pipe is guaranteed, the fixing strength is improved, the comfort degree of a patient is improved, meanwhile, the stent disengagement risk is reduced, pre-shaping can be conducted before the stent is placed in the body of the patient, the stent is made to be more attached to the physiological structure of the patient, friction between the pelvis and the ureter and the stent in the moving process of the patient is reduced, and the patient is protected. And discomfort and inflammation caused by stent implantation are reduced. Compared with a traditional structure, the auxiliary fixing part is additionally arranged at the tail end of the support, the fixing area is increased through the auxiliary fixing part, fixing devices such as adhesive tape and gauze are matched, and the risk of support slipping caused by in-vitro fixing failure is reduced.

A ureteral channel sheath (UAS) is provided. The UAS includes an elastically deformable tube having a shape memory that includes an arcuate bend at a head end thereof that corresponds to an anatomical shape of a ureter inlet up to and through a junction into a renal cavity (renal pelvis), and an introduction funnel at a tail end of the tube. The UAS further comprises a corresponding dilator provided with a tubular body having a shape memory, the shape of which comprises an arcuate bend at the head end thereof, the arcuate bend substantially corresponding to the curved shape of the elastically deformable tube of the UAS.

The application provides a ureteral stent with adaptive high radial support force, which comprises a ureteral segment, a renal pelvis end segment and a bladder end segment connected to two ends of the ureteral segment, and drainage holes are arranged on the side surfaces of the renal pelvis end segment and the bladder end segment; the renal pelvis end segment and the bladder end segment are curved segments, and the ureteral segment is a straight segment; the ureteral segment comprises an inner cladding layer, an intermediate adaptive support layer and an outer cladding layer, the inner cladding layer and the outer cladding layer are respectively arranged on the inner and outer sides of the intermediate adaptive support layer, the inner cladding layer is connected to the inner side of the renal pelvis end segment and the bladder end segment in a smooth transition mode, and the outer cladding layer is connected to the outer side of the renal pelvis end segment and the bladder end segment in a smooth transition mode; the intermediate adaptive support layer comprises a plurality of support members, and the plurality of support members are distributed along the axial direction and the circumferential direction of the ureteral segment.

The application relates to the field of image analysis, in particular to an AKI diagnosis method fusing multi-modal image features, which obtains kidney area MRI and CT images, extracts kidney pelvis candidate response boundary change information, completes area alignment and multi-scale response fusion through path aggregation, priority judgment and directionality adjustment, outputs a diagnosis graph and combines abnormal expansion direction to optimize an image set. According to the application, a high-response pixel set of a kidney pelvis area in an MRI image is extracted, pixel density and edge gradient change trend are combined, boundary change feature groups are established, the spatial distribution characteristics of potential lesion areas in the image can be finely described, and the initial accuracy of lesion identification is enhanced. The connectivity stability and path consistency of a response block are taken as the measurement basis, a path sorting mechanism in path construction is introduced, and the structural integrity and boundary controllability are improved in the feature path screening stage.

The application relates to the technical field of antibacterial coating ureteral stents, and discloses an antibacterial coating ureteral stent, which comprises a telescopic liquid-permeating mechanism, and both ends of the telescopic liquid-permeating mechanism are provided with fixing mechanisms. The antibacterial coating ureteral stent and the implanting device thereof are provided with the telescopic liquid-permeating mechanism, the fixing mechanism, the guide wire mechanism and the pushing mechanism, can form elasticity through the vortex fixed end pipe and the spring permeation pipe during use, can self-adapt to the elastic telescoping of the ureter when the patient's body position changes or moves, and can form storage for the end part through the multilayer vortex structure of the vortex fixed end pipe, so that rigid contact of the top end with the renal pelvis and the bladder wall is avoided, and the comfort of the patient is improved.

The invention relates to the technical field of medicine, and discloses an auxiliary compression bed for intravenous pyelography, which comprises a compression bed body, bed frames are arranged on two sides of the compression bed body, a support seat is arranged at the bottom of the compression bed body, moving mechanisms are arranged on the two bed frames, and mounting blocks are arranged on the moving mechanisms. The two mounting blocks are each provided with a mechanical arm body and a protective shell, a transmission mechanism is arranged in each protective shell and used for driving the corresponding mechanical arm body to rotate, and the moving mechanisms are used for driving the mounting blocks to move. The transmission mechanism controls the mechanical arm body to rotate from the bottom of the compression bed body to the upper portion, through cooperation of the mechanical arm body, the position of the sponge plate can be adjusted and controlled, then the sponge plate is controlled to press downwards, and therefore flowing of contrast agents of the ureter and the bladder can be temporarily blocked, and it is ensured that structures such as the renal pelvis and the renal calyx are clearly developed; and a pressure sensor is arranged on the sponge plate, so that the pressure generated in the downward pressing process can be detected all the time.

The invention discloses a children urinary system image and pathological image reconstruction and analysis system based on multi-modal data, which belongs to the technical field of image processing and comprises a multi-modal data input module, a key area positioning module, a dynamic selective preprocessing unit and a reconstruction analysis module. The multi-modal data input module is used for receiving multi-modal data of a child urinary system and performing format standardization; the key area positioning module is used for positioning a key area and a non-key area of the urinary system of the child. According to the method, only high-compression-ratio storage, simplified denoising and other low-intensity processing are executed on a non-key area, and the calculation steps and carrying cost of redundant data are greatly reduced; the key areas such as the pelvis and the ureter opening are preprocessed according to the characteristics of the key areas, and it is ensured that diagnosis core information is not lost. According to the processing mode, the rigid contradiction that the full-amount processing efficiency is low and the full-amount simplification feature is damaged is solved, and the accurate balance between the efficiency and the integrity is realized.

The present invention belongs to the medical field, and in particular to a disposable electronic soft ureteropyeloscope. A disposable electronic soft ureteropyeloscope with a detachable insertion part and an operating part comprises an operating rod, a conical docking part, an insertion hose, a flexible rope body I, a docking column, a compression spring I, a docking ring, a docking block, a compression spring II, a flexible rope body II, etc.; the operating rod is a cylindrical ring, and the left part of the operating rod is fixedly connected to the docking ring, and a card slot is provided on the left side of the docking ring, and the card slot is in a step shape, and the width of the left side of the card slot is smaller than the width of the right side of the card slot. The present invention uses the special structure of the docking column and the docking block to connect the flexible rope body I and the flexible rope body II together when the device is working. After the device is finished working, the docking column and the docking block are rotated and loosened, and the device can be disassembled, so that the insertion part and the operating part can be disassembled, and materials are saved; the clamping ring is controlled by the pressure plate to bite or not bite with the clamping disk.

The invention discloses a ureter guiding sheath device for monitoring internal pressure of a renal pelvis in real time, which relates to the technical field of medical instruments and comprises a guiding sheath, a dilator, a pressure gauge and a negative pressure drainage bottle. Instant and continuous pressure monitoring is achieved through the built-in pressure sensor, and the operation efficiency is improved. The independent pressure measuring channel effectively isolates potential interference of negative pressure suction equipment to pelvis pressure monitoring, meanwhile, due to the design of the far-end closed structure of the pressure measuring channel and the pressure measuring hole, extrusion to the pressure measuring channel when the endoscope is bent is effectively avoided, and the accuracy of monitoring data is ensured. The pressure gauge is provided with the pre-filling shell composed of the gas-liquid separation filter element, the gas-liquid separation filter element only allows gas to pass through and liquid to be left in the pressure gauge, it is effectively guaranteed that the pressure sensor from the pressure measuring channel to the pressure gauge is filled with the liquid in the pelvis, interference of residual gas is avoided, and the accuracy of pressure measurement is guaranteed.

The utility model relates to the technical field of organ models, and specifically is a detachable renal segment model, comprising a base, wherein an inferior vena cava model and an abdominal aorta model are fixedly connected to the base, and a blood vessel model is fixedly connected to the inferior vena cava model and the abdominal aorta model, and a right kidney module and a left kidney module are arranged on the blood vessel model, wherein the right kidney module comprises a right anterior kidney, a right posterior kidney and a right ureter, and the left kidney module comprises a left anterior kidney, a left posterior kidney and a left ureter. In the utility model, the right posterior kidney mainly displays the outer edge and renal cortex of the kidney, and is used to help students recognize the outer edge and renal cortex of the kidney, and LED lamps and lamp strips at different positions have different lamp colors, so the left posterior kidney can use different lamp colors at different positions to help students recognize the renal medulla, renal pyramids, renal calyces, renal calyces, renal pelvis, renal hilum, renal columns, renal papillae and other parts of the kidney, and is also used to help students recognize the internal blood vessel arrangement relationship of the kidney.

The utility model belongs to the field of ureter guiding sheaths, particularly relates to a ureter guiding sheath capable of reducing internal pressure of a renal pelvis and pressure of a bladder, and aims to solve the problems that when an existing guiding sheath injects water into a kidney during an operation, the pressure of the kidney is too large, water flows back into blood, infection risk is increased, and the operation time is prolonged. Liquid in the bladder is gradually increased, bladder pressure is increased, the bladder is overfilled, and the bladder function is damaged. According to the scheme, the catheter comprises a guide sheath tube, a bendable catheter is arranged at the front end of the guide sheath tube, a plurality of evenly-distributed second holes are formed in the outer portion, away from the bendable catheter, of the guide sheath tube, and a plurality of evenly-distributed first holes are formed in the outer portion of the front end of the bendable catheter and the outer portion of the front end of the guide sheath tube. Through the arrangement of the first hole and the second hole, liquid in the kidney and the bladder can be further drained out of the body through the liquid passing ability of the measuring holes, the pressure in the kidney and the pressure of the bladder are effectively relieved, and it is ensured that drainage is more sufficient and effective.

This invention relates to the field of ureteroscopic surgery technology, providing a disposable flexible cystoscopic, pyelonephric, and ureteroscopic system with intelligent temperature and pressure control functions. The system includes a disposable flexible endoscope body and an intelligent temperature and pressure control unit. The disposable flexible endoscope body includes a mid-section flexible insertion tube, a distal sensing lens tip, and a proximal operating handle. The distal sensing lens tip integrates an in-situ temperature and pressure measurement sensor, a miniature imaging module, an illumination fiber optic bundle, an instrument operating channel outlet, an irrigation channel outlet, and a suction channel outlet. Precise real-time monitoring is achieved through the in-situ temperature and pressure sensor at the tip, combined with dual-channel closed-loop control, keeping renal pelvic pressure fluctuations and temperature errors within a safe range, thus reducing the risk of infection and thermal damage at the source. The integrated structure eliminates the need for a pressure measuring sheath, resulting in less trauma and lower cost. Furthermore, the fully automated control significantly shortens the learning curve, greatly improving safety and practicality.

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 technical field of ureter leading-in sheaths, solves the technical problem that a leading-in sheath cannot be limited in a urethra, and particularly relates to a ureter leading-in sheath with a bendable head end and a fixed balloon device, which comprises a protective tube serving as a supporting foundation, the inner side of the protection tube is provided with a limiting and steering assembly used for limiting and steering the guide-in sheath, the limiting and steering assembly is provided with a calculus discharging assembly used for discharging calculus broken stone, the limiting and steering assembly comprises a guide-out tube arranged on the inner side of the protection tube, and one end of the guide-out tube is connected with a limiting bag. Due to the arrangement of the limiting steering assembly, after the guiding-in sheath is inserted into the pelvis, the balloon is limited in the bladder by injecting water into the limiting bag, the stability of the guiding-in sheath in the urethra can be improved, and the fixing sheath can effectively reduce the pressure of the pelvis and reduce the risk of infection.

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 provides a product and a method for detecting urinary tract epithelial carcinoma based on DNA methylation, and belongs to the technical field of urinary tract epithelial carcinoma detection, the product comprises reagents for detecting methylation of the following DNA regions: a PENK gene CpG island region Chr8: 56446618-56446724, a TMEM106A gene CpG island region Chr17: 43211685-43211847, and an OTX1 gene CpG island region Chr2: 63056808-63056956. Through joint detection of the target gene areas, accurate prediction of urothelial carcinoma is realized, and the kit has comprehensive coverage (bladder cancer, pelvis cancer and ureteral cancer) and detection advantages of early and low-grade cancers, can be used for early screening, postoperative recurrence monitoring, prognosis evaluation and other stages, and has a wide application prospect in the fields of early screening, postoperative recurrence monitoring, prognosis evaluation and the like. The positive significance is realized on the whole disease course management of the urothelial carcinoma.

The utility model discloses an anti-injury flexible ureteroscope leading-in sheath, which belongs to the technical field of medical instruments and comprises an outer sheath, an inner core is movably connected to the inner wall of the outer sheath, the outer wall of the outer sheath is connected with the inner wall of a connecting piece, the bottom of the inner wall of the connecting piece is connected with the bottom end of a spring, and the spring is connected with the inner core. The top end of the spring is connected with the bottom of the inner core, a wire guide hole is formed in the inner wall of the inner core, and a first funnel hole is formed in the bottom of the inner wall of the inner core. According to the anti-damage flexible ureteroscope leading-in sheath, by arranging the outer sheath, the inner core, the connecting piece and the spring, when the anti-damage flexible ureteroscope leading-in sheath is used and placed into a ureter, if resistance is encountered, the spring can be compressed, the inner core can retract relative to the outer sheath, when the resistance is increased to a certain degree, the tip end of the inner core can retract into the outer sheath, and the leading-in sheath can be used for guiding the flexible ureteroscope into the ureter in a retractable mode. And when the ureter is placed, the condition of injury caused by overexertion can be avoided, so that the ureter and the pelvis mucosa are protected.

The present invention provides a ureteral stent tube, which includes a first tube body, a second tube body placed in the ureter and communicated with the first tube body, and a bladder segment placed in the bladder and communicated with the second tube body; the first tube body is an elastic hose curled horizontally in an Archimedean spiral shape. The first tube body of the ureteral stent tube provided by the present invention, which is placed in the renal pelvis, is an elastic hose curled horizontally in an Archimedean spiral shape. The length of the entire ureteral stent tube placed in the human body can be adjusted by adjusting the number of turns of the curl of the first tube body, so that ureteral stent tubes of the same length can be suitable for patients with different ureteral lengths; moreover, the tape measure-shaped structure of the first tube body cooperates with the bladder segment placed in the bladder, which can greatly shorten the size of the bladder segment of the ureteral stent tube left in the bladder, and can greatly reduce the bladder irritation caused by the implantation of the ureteral stent tube.

The invention relates to the technical field of antibacterial coating ureteral stents, and discloses an antibacterial coating ureteral stent which comprises a telescopic seepage mechanism, and fixing mechanisms are arranged at the two ends of the telescopic seepage mechanism. According to the antibacterial coating ureter stent and the implanting device thereof, through the telescopic seepage mechanism, the fixing mechanism, the guide wire mechanism and the pushing mechanism, elasticity can be formed through a scroll fixing end tube and a spring seepage tube during use, and it is guaranteed that when the body position of a patient changes or moves, elastic stretching and retracting of a ureter are self-adapted; and the end part of the end tube is stored through the multi-layer scroll structure of the scroll fixing end tube, so that the top end of the end tube is prevented from directly forming rigid contact with the renal pelvis and the bladder wall, and the comfort of a patient is improved.

The utility model relates to the technical field of medical instruments, and discloses a tail wire ureteral stent which comprises a main body mechanism and an accessory mechanism, the upper end of the main body mechanism is fixedly connected with a renal pelvis connecting mechanism, and the lower end of the main body mechanism is fixedly connected with a bladder connecting mechanism; the pelvis connecting mechanism comprises a pelvis connecting pipe, a first support is fixedly arranged at the upper end of the pelvis connecting pipe, the bladder connecting mechanism comprises a bladder connecting pipe, and an oblique incision is fixedly formed in the lower end of the bladder connecting pipe. According to the utility model, the double-polypropylene silk thread is used for replacing the far-end ureter stent, the urine passing ability in the middle of the far-end material of the ureter is changed, the backflow of the bladder ureter is reduced, the postoperative symptom of stent implantation is reduced, and the tail-end silk thread is used for replacing the far-end ureter stent, so that the length of the far-end ureter stent can be long or short and can be customized privately; and the overall application range of the device is enlarged, and the overall practicability of the device is improved.

The invention discloses a Renal scoring method and device for kidney tumors, and belongs to the field of medical image processing. The method comprises the steps that segmentation data are acquired, and the segmentation data comprise data of kidneys, tumors and blood vessels; anatomical analysis is carried out based on the segmentation data, the kidney principal axis, the renal pelvis position and the ureter are determined, and a natural coordinate system of the kidney is established; calculating the maximum diameter of the tumor based on the tumor voxel, and determining an R score according to the maximum diameter of the tumor; constructing a kidney convex hull based on the kidney parenchyma coordinates, and determining an E score based on the proportion of tumor voxels inside and outside the kidney convex hull; taking the ureter as a set system, determining the minimum distance from the tumor voxel to the set system, and determining an N score according to the minimum distance; constructing a natural interface based on the pelvis position, and determining an A score based on the natural interface; detecting polar lines based on the renal door depression, and determining an L score according to the polar lines. The method provided by the invention eliminates the subjective judgment difference of the scorer.

The present invention provides a renal tumor evaluation method and an evaluation device and system using same. The method, which is implemented by a processor, comprises the steps of: receiving a medical image including a kidney and a renal tumor; generating three-dimensional image data from the medical image; segmenting, in the received three-dimensional image data, regions corresponding to the tumor, the renal parenchyma, the renal pelvis, and the renal hilum by using a prediction model trained to segment the regions of the tumor, the renal parenchyma, the renal pelvis, and the renal hilum using three-dimensional image data as input; determining, on the basis of the segmented regions, a first boundary surface between the tumor and the renal parenchyma or a second boundary surface between the tumor and the renal hilum; determining a first distance between the first boundary surface and the renal hilum or a second distance between the second boundary surface and the renal hilum; and performing renal tumor evaluation on the basis of the first distance or the second distance.