81 results about "Cystoscope" patented technology

Method and surgical instrument for treating prostate tissue including a surgical instrument having a main body, a needle deployment port, a needle, first and second handles and a lockout release mechanism to limit needle extension. Additionally, a kit includes the surgical instrument, together with a cystoscope, and optionally a syringe and reservoir of ethanol. The method includes needle-less injection and visualizing the ethanol injection by delivering both an echogenic agent and ethanol either by needle or needle-less injection or by providing an ultrasonically visible marker near the tip of the ethanol delivery cannula. The method also includes extending the needle transversely of the instrument housing using a link assembly.

Medical devices for insertion into the body of human or veterinary patients, wherein the device comprises a) a working element (e.g. a wire, a guidewire, a tube, a catheter, a cannula, a scope (e.g., rigid or flexible endoscope, laparoscope, sigmoidoscope, cystoscope, etc.) a probe, an apparatus for collecting information from a location within the body (e.g., an electrode, sensor, camera, scope, sample withdrawal apparatus, biopsy or tissue sampling device, etc.) which has an outer surface and b) a continuous or non-continuous coating on the outer surface of the working element. The outer surface of the working element is prepared to create a surface topography which promotes mechanical or frictional engagement of the coating to the working element. In some embodiments the coating is a lubricious coating, such as a fluorocarbon coating or a hydrogel that becomes lubricious when contacted by a liquid. In some embodiments, the coating may expand as swell. Also disclosed as methods for manufacturing such devices.

Near infrared imaging using elastic light scattering and tissue autofluorescence and utilizing interior examination techniques and equipment are explored for medical applications. The approach involves imaging using cross-polarized elastic light scattering and / or tissue autofluorescence in the Near Infra-Red (NIR) coupled with image processing and inter-image operations to differentiate human tissue components.

The invention discloses a method for rapidly detecting the bladder cancer with quantum dot labeling immune chromatographic test paper. The existing method for bladder cancer detection comprises the cystoscope, ultrasonic waves, CT, and the like, but the methods are trivial in detection procedures and patients are subjected to pains. By making use of the quantum dot labeling immune chromatographic test paper, the method rapidly detects the amount of fibronectin protein contained in urine of bladder cancer patients and diagnoses and judges the bladder cancer. The detection method which is low in cost and simple in method is suitable for samples of blood, urine, saliva, and the like, can be applied to the detection of hormones, proteins, viruses, drugs, bacteria, environmental pollution, and the like, and can be used in places such as hospitals, customs, , airports and families.

Near infrared imaging using elastic light scattering and tissue autofluorescence and utilizing interior examination techniques and equipment are explored for medical applications. The approach involves imaging using cross-polarized elastic light scattering and / or tissue autofluorescence in the Near Infra-Red (NIR) coupled with image processing and inter-image operations to differentiate human tissue components.

The invention belongs to the technical field of medical appliance, and specifically discloses a minitype ultrasound hard multichannel electronic cystoscope system. The invention organically combines a multichannel electronic cystoscope with a minitype ultrasound transducer and introduces advanced ultrasonic scanning into the endoscope diagnosis and treatment technology of bladder diseases. The main endoscope of the hard multichannel electronic cystoscope gives up the traditional optical system of the glass column type lens and adopts an electronic CCD optical system with higher resolution and image quality; an appliance channel of which the diameter is bigger than or equal to 2.8 mm is designed in the main endoscope; the minitype ultrasound transducer can enter the bladder cavity by taking the appliance channel as the platform to perform two-dimensional scanning and three-dimensional scanning to each layer of bladder cavity wall. The invention can improve the examination, diagnosis and operation accuracy of the bladder.

The invention belongs to the field of medical instruments, and particularly relates to a hard laser cystoscope system, which comprises a hard cystoscope, a cold light source host, a camera shooting host and a monitor. The cold light source host, the camera shooting host and the monitor are connected with the hard cystoscope, and the hard cystoscope is further provided with a laser scalpel operating device used for treatment and a laser scalpel system host used with the laser scalpel operating device. The hard laser cystoscope system organically combines cystoscope technology with laser technology, can be specifically divided into a separating mode and an integral mode. As the laser scalpel technology has ability of generating high energy and realizing highly focusing within a short time, laser with suitable wavelengths is selected according to properties of lesions, and treatment methods include that tumor in a bladder of a patient is incised and irradiated, blood of wounds is stopped and the like are realized. The advanced laser scalpel technology is led into cystoscope surgery, and the advanced laser scalpel technology and the cystoscope surgery are organically designed and combined, so that diagnosis of the cystoscope and a laser treatment effect are combined. By the aid of characteristics that incisions of a laser scalpel are smooth, bleeding is low and infection is not easy, surgery recovery rate and accuracy are effectively improved, recurrence rate is reduced, medical quality and medical safety are improved, and unexpected diagnosis and treatment effects are obtained.

The invention provides a biomarker for diagnosing bladder cancer and monitoring recurrence and a detection kit. The biomarker is a gene UBE2C and at least one of genes BIRC5, UBE2C, CDK1, MMP11, TPX2,CDC20, MYBL2, TK1, FOXM1, CCNB1 and UCA1. The biomarker and a combination thereof, provided by the invention, can be used for accurately confirming whether an individual has the bladder cancer or notand has the possibility of recurrence or not, and has relatively high sensitivity; when the ACU of the performance of a recurrence monitoring model reaches 0.955 and the sensitivity and the NPV are 100 percent, the specificity can reach 80 percent or more; when the AUC of the performance of a diagnosis model reaches 0.99 and the sensitivity and the NPV are 98 percent or more, the specificity reaches 92 percent. The invention provides a noninvasive detection method based on urine detection and the pain of a patient frequently utilizing a cystoscope can be effectively avoided.

The invention belongs to medical instruments, and in particular relates to a novel three-dimensional electronic choledochoscope system for reconfiguring a three-dimensional image by using a multi-CCD (Charge Coupled Device) array, which comprises a soft electronic choledochoscope, a processing host computer, a light source host computer and a work station assembly, wherein the processing host computer, the light source host computer and the work station assembly are connected with the soft electronic choledochoscope; the three-dimensional soft electronic cystoscope enters a gall bladder cavity through a small cut at the bottom of the gall bladder and can enter the biliary tract through a small cut on the bile duct wall, then turns into the bile duct through better flexibility and control, and then enters the common bile duct for detecting the condition of the common bile duct; the multi-CCD array module at the tip part of a choledochoscope working end part is used for finely scanning the common bile duct, even the intrahepatic bile duct to obtain a three-dimensional image of the choledochoscope cavity; and a doctor treats the gall bladder pathological change according to the three-dimensional image.

The invention relates to a disposable specimen taking-out device under a cystoscope, a ureteroscope and a nephroscope. The specimen taking-out device is composed of an inner sleeve, a push-pull rod, a handle, a metal ring and a filtering object taking-out bag. The length of the inner sleeve is greater than that of a cystscope sheath, the length of the push-pull rod is greater than that of the inner sleeve, one end of the push-pull rod is provided with the handle, the other end is provided with the metal ring, the metal ring is sleeved by the filtering object taking-out bag, the filtering object taking-out bag only can filter liquids and cannot filter tumor cells and tissues, the metal ring is elastic, the push-pull rod, the metal ring and the filtering object taking-out bag can be placed in the inner sleeve, and when the metal ring is pushed out from the inner sleeve, the metal ring is expanded so as to open the bag mouth of the filtering object taking-out bag. The disposable specimen taking-out device provided by the invention has the following advantages: compared to the prior art, the disposable specimen taking-out device is reasonable in structural design, can effectively take operation specimens completely out of bladders, ureters or renal pelvis and renal calyces, does not cause avulsion when the specimens are taken out, is more convenient and rapid to take the specimens out, takes out the specimens completely without residuals, and improves the efficiency and the treatment effect of an operation.

The invention belongs to medical instruments, and in particular relates to a novel three-dimensional electronic cystoscope system for reconfiguring a three-dimensional image by using a multi-CCD (Charge Coupled Device) array, which comprises a soft electronic cystoscope, a processing host computer, a light source host computer and a work station assembly, wherein the soft electronic cystoscope consists of a soft cystoscope sheath, a cystoscope sheath core and a cystoscope main body; and the processing host computer, the light source host computer and the work station assembly are connected with the soft electronic cystoscope; the soft electronic cystoscope enters a bladder cavity through the soft cystoscope sheath, and then the multi-CCD array module at the tip part of a cystoscope working end part passing through the cystoscope main body is used for finely scanning the cystoscope cavity to obtain a three-dimensional image of the cystoscope cavity; and a doctor treats the bladder pathological change according to the three-dimensional image.

The invention relates to a cystoscope with a swinging head end. The cystoscope comprises a light source, a light transmission optical fiber, an imaging optical fiber, an image transmission optical fiber and an image display device, wherein the imaging optical fiber and the light transmission optical fiber are arranged in a sheath tube which is composed of a sheath tube body I and a sheath tube body II, the sheath tube body I is hinged to the sheath tube body II, and the outer wall of the sheath tube body I is provided with a sliding groove in the axial direction. An endoscope further comprises a swinging drive device which mainly comprises a gear, a rack and a push-pull piece, the rack is stuck in the sliding groove, the gear is mutually meshed with the rack and can freely rotate, and the end, away from the gear, of the rack is connected with the sheath tube body II through the push-pull piece. According to the cystoscope, the head end can swing in different degrees according to needs, the cystoscope is suitable for diagnosing any portion in the bladder, no blind areas exist in the bladder in the view, defects of an existing cystoscope are made up for, the diagnosis confirmation rate of the cystoscope is improved, a regulating mode accords with the pure mechanical principle, energy can be saved, complication of the cystoscope is reduced, and feasibility is improved.

The invention discloses a cystoscope with living body real-time Raman spectrum detection and a method. The method is capable of solving the problem in the prior art that the cystoscope cannot confirm a suspicious neoplasm in real time and a small focus cannot be accurately verified. The cystoscope has the effects of detecting the living body in real time, and identifying a chronic disease. The solution is as follows: the cystoscope comprises a cystoscope body. An operating channel is formed in the cystoscope body. A first pipeline and a Raman spectrum channel are installed in the operating channel. A light source channel and an endoscope channel are installed in the first pipeline, and the end part of the first pipeline is provided with a normal lens. The Raman spectrum channel is connected with a slantwise installed hose. The Raman spectrum channel is internally provided with a Raman spectrum optical fiber with a Raman spectrum analysis lens. The Raman spectrum analysis lens has the set toughness. The side wall of the cystoscope body is provided with a cold light source interface communicated with the light source channel and a Raman spectrum operation port for operating the Raman spectrum optical fiber. The end part of the cystoscope body is provided with a tail end for operating the operating channel.

The invention discloses transurethral double-operation-channel bladder tumor laser monoblock excision equipment, which comprises an outer sheath, an operation sheath, a cystoscope endoscope, a laser optical fiber, traction pliers and pushing pliers, wherein the outer sheath comprises an outer sheath body, a water feeding connector and a water discharging connector; the inner end side wall of the outer sheath body is provided with a plurality of perfusion holes; the operation sheath comprises a bladder endoscope operation pipe, a laser operation pipe and an auxiliary pliers operation pipe, wherein the bladder endoscope operation pipe, the laser operation pipe and the auxiliary pliers operation pipe are arranged in parallel, and the operation sheath can be put in the outer sheath body; the bladder endoscope comprises an eyepiece, an endoscope body, an objective lens and a light guiding barrel, wherein the endoscope body of the bladder endoscope can be put in the bladder endoscope operation pipe; the laser optical fiber can be put in the laser operation pipe; the traction pliers and the pushing pliers independently comprise a handle, a pliers rod and a pliers head and can be put in the auxiliary pliers operation pipe; the pliers clamping surface of the pliers head of the traction pliers has a fine grained structure, and the outer end of the pliers head of the traction pliers has a mouse tooth structure; the handle has a buckling and locking structure; and the pliers clamping surface of the pliers head of the pushing pliers has a sawtooth structure. The transurethral double-operation-channel bladder tumor laser monoblock excision equipment has the advantages that a surgeon can conveniently operate the transurethral double-operation-channel bladder tumor laser monoblock excision equipment, operation is more accurate, an applicable range is wide and the like.

The invention provides a ureteral stent tube. The ureteral stent tube comprises a tubular body and a traction line, wherein the body is provided with a first end and a second end which are arranged oppositely; the first end of the body is bent into a circular arc shape, and the second end of the body is bent into a circular arc shape; the bending direction of the second end of the body is oppositeto that of the first end of the body; the traction line is fixed on the tube wall of the body through a degradable fixing line; one end of the traction line is a fixed end, and the other end of the traction line is a free end; and the fixed end of the traction line is fixed with the end part of the first end of the body. Compared with the prior art, the ureteral stent tube provided by the invention has the advantages that: the traction line can be automatically released after the ureteral stent tube is placed into a body for a period of time, and the ureteral stent tube can be pulled out by pulling the traction line in vitro, so that pain of a patient caused by cystoscope operation and injury to the patient during pulling are relieved; and the ureteral stent tube has the advantages of controllable time, convenience for pulling and the like.

The invention relates to a transurethral surgical robot system which comprises a cabinet. The bottom of the cabinet is fixedly connected with a base plate, the top of the cabinet is connected with a support through a transmission chain, a cystoscope and two surgical tools are fixedly connected onto the support, the cystoscope comprises a cystoscope body and a cystoscope body driving unit, the cystoscope body comprises a high-definition camera with an illumination module, a fixed disk, two first structural bones, a second structural bone, a supporting component and a thin-walled tube, the two first structural bones and the second structural bone are triangularly and uniformly distributed, the front ends of the structural bones are jointly tightly connected to one side of the fixed disk, the other side of the fixed disk is fixedly connected with the high-definition camera, the supporting component is of a slender structure, the rear end of the supporting component is connected with the cystoscope body driving unit, a channel is arranged on the surgical supporting component, cables of the first structural bones, the second structural bone and the high-definition camera penetrate the channel, the rear ends of the two first structural bones and the second structural bone penetrate the supporting component and then is connected with the cystoscope body driving unit, and the thin-walled tube sleeves the outside of the supporting component.

The invention discloses a suspicious early-stage cancer lesion examination device suitable for an endoscopy. A medical endoscope (a gastroscope, an enteroscope, a bronchoscope, a cystoscope, a colposcope, a laparoscope and the like) used in medical clinical examinations becomes an important tool for disease diagnosis. Many cancers can be found through observing the morphological characteristic of a pathological changed region, however, the pathological changes of early-stage cancers without remarkable morphological characteristics are difficultly detected, a great number of medical researches show that the early-stage pathological changes of the cancers are not remarkably changed in shape, but fluorescent substances in the cancer tissue are changed along with the formation of the canceration, then, the fluorescence of a cancer tissue is caused to be greatly different from that of a normal tissue, and thus, the suspicious lesions of the early-stage cancers are identified easily through fluorescence detection and expression of a difference by using a false color image way, the pathological biopsy can also be precisely indicated, and the suspicious early-stage cancer lesion examination device plays an important role in increasing the detection rate and the accuracy rate of early-stage cancer diagnosis.

The invention relates to an electronic cystoscope with a rotatable inserting head. The electronic cystoscope with the rotatable inserting head comprises the inserting head, a bendable pipe, a pulling rope, a movable seat, a guide sleeve and a driving ring. In the using process of the electronic cystoscope with the rotatable inserting head, the driving ring is rotated relative to the guide sleeve, and a guide piece can slide in a guide groove under the effect of a driving groove, so that the movable seat is driven to move. When the position of the movable seat is changed, the pulling rope can be tightened or loosened and further deformed, the inserting head is driven to rotate through deformation of the pulling rope, further the angle of a photographing module is changed, and therefore using requirements of different patients are met. According to the electronic cystoscope with the rotatable inserting head, the operation cost is reduced, the pain of a patient is relieved, and the electronic cystoscope has excellent popularization significance.

The invention relates to a medical appliance, in particular to a portable electronic cystoscope clinically used for carrying out examination, diagnosis and treatment on urological diseases on the bladder, the urethra and the like. The portable electronic cystoscope comprises a telescope and is characterized in that the telescope is connected with an operation handle, a display mechanism is connected onto the operation handle, the telescope comprises an insertion part, a soft bending part and a front end part in mutual connection, a lens is arranged at the front end part, an illumination system is arranged in the operation handle and comprises an illumination lamp and a light guide beam connected with the illumination lamp, one end of the light guide beam is connected with the illumination lamp, and the other end of the light guide beam extends to the front end part. The invention simultaneously provides the portable electronic cystoscope with the advantages that the pipe diameter is small, the insertion pain is small, the heating quantity is small, the use is safe, the structure is simple, and the carrying and the work are convenient. The portable electronic cystoscope solves the technical problems that in the prior art, the insertion of the cystoscope is painful, the equipment is huge, the length of the light guide beam is long, and the heating quantity is great.

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

The invention relates to a bendable and stretchable bladder endoscope which comprises a light source, a light transmission optical fiber, an imaging optical fiber, an image transmission optical fiber and an image display device. The imaging optical fiber and the light transmission optical fiber are both arranged inside sheath tubes, the sheath tubes comprise the sheath tube I and the sheath tube II which are mutually hinged, and two sliding chutes which are formed in the axial direction are symmetrically formed in the outer wall of the sheath tube I. The endoscope further comprises a swing driving device, and the swing driving device is used for controlling swing of the sheath tube II 4 in a far-end mode. The head of the bladder endoscope can swing in varying degrees according to needs, the bladder endoscope can be suitable for diagnosing any part in a bladder, a non-blind area view can be achieved in the bladder, the defects of an existing bladder endoscope are overcome, the definite diagnosis rate of the bladder endoscope is obviously improved, the adjusting manner is a pure mechanical principle adjusting manner, energy can also be saved, the complexity of the device is lowered, and feasibility is increased.

The invention discloses a portable cystoscope for urology department examination. The portable cystoscope comprises a sleeve I, wherein a sleeve II is slidably connected with the inner wall of the sleeve I; the bottom of the sleeve I is provided with a through hole and is glidingly connected with a top rod through the through hole; the top of the top rod is fixedly connected with the bottom of thesleeve II; the top of the sleeve I is fixedly connected with a transparent rubber film; the bottom of the transparent rubber film is fixedly connected with a lifting ring; the side surface of the lifting ring is in sliding connection with the inner wall of the sleeve II; and a rotating plate is arranged on the inner wall of the lifting ring in a limited rotatable manner. Through cooperative use of the above structures, the problem that in the actual use process, the traditional cystoscope is not prone to being shrunk and stored and is not convenient to carry is solved; and moreover, the problem is also solved that in the process of sliding a tube body on the cystoscope and skin on the urethral tissue of a patient in a contact mode, scratches or hurt are easily caused to the urethra of thepatient, complete protection is difficult to achieve, and inconvenience is brought to use..

The invention discloses a diagnosis and treatment system for human urethral calculus. The diagnosis and treatment system is characterized by comprising a calculus breaking mechanism assembly, a pathway assembly, a puncture outfit and a washing and suction assembly; the pathway assembly is sheathed together with the puncture outfit to form a puncture outfit mechanism, the puncture outfit is used for puncturing to a surgical site and the pathway assembly is used for forming a pathway for surgical instruments; the calculus breaking mechanism assembly, the pathway assembly and a cystoscope form a calculus breaking mechanism, the calculus breaking mechanism assembly is sheathed with the pathway assembly, the cystoscope is arranged on the calculus breaking mechanism assembly, and the calculus breaking mechanism is used for breaking calculi; and the pathway assembly is sheathed together with the washing and suction assembly to form a washing and suction mechanism which is used for washing and discharging broken calculi. Compared with the prior art, the diagnosis and treatment system has the advantages and the effects of reasonable structural design, one-time breaking of the calculi and removal of the calculi by applying a cystoscope light source technology, comprehensive functions and good surgical treatment effect.

The invention relates to a split type hard cystoscope provided with a threaded soft cystoscope sheath with a mixed coating. The split type hard cystoscope comprises a cystoscope body and a detachablecystoscope sheath, wherein the cystoscope body is composed of a soft sheath and a cystoscope body tail base; a fixing bulge is arranged on the side face of the tail of the soft sheath, and the cystoscope body tail base is mounted at the tail end of the soft sheath; the detachable cystoscope sheath is composed of a front-end threaded part and a rear-end combination part; vertical strip-shaped threaded grooves are arranged in the side face of the front-end threaded part; and a vertical groove and an annular groove surrounding the inner wall are arranged in the inner wall of the rear-end combination part. The split type hard cystoscope has the advantages that the defects of various urethrocystoscopes can be obviously overcome, the surgery efficiency is improved, and the cost is reduced; due to the design of a BR type hydrophilic super-lubricating coating and the soft sheath, the injuries caused to patients by operation can be reduced; due to the design of a Se-SiO2 coating, the recovery of the urethra injuries of the patients can be accelerated; the cystoscope body and the detachable cystoscope sheath are combined through the fixing bulge and the annular groove, so that the stabilityduring the operation can be increased; and due to the disposable soft sheath, the possibility of infection of the urinary system of the patients due to the operation of the cystoscope can be reduced.

The invention relates to a disposable multifunctional electronic cystoscope, which comprises a cystoscope body, the cystoscope body is of a pipe barrel structure, a sealed waterproof wiring pipe and an instrument channel are arranged in the cystoscope body in a penetrating mode, an instrument channel opening located in the front end face of the cystoscope body is formed in the front end of the instrument channel, and a camera, a water inlet and an illuminating lamp are further arranged on the front end face of the cystoscope body; a water outlet valve is communicated with the pipe barrel structure of the endoscope body, a water outlet channel is formed by the water outlet valve and the space, except the sealed waterproof wiring pipe, the instrument channel and the water inlet channel, in the water outlet valve, and a plurality of water outlet holes are formed in the outer wall of the pipe barrel structure at the front end of the endoscope body. According to the cystoscope, the problems of continuous irrigation and flushing and continuous drainage of flushing fluid in examination and treatment are solved, complete continuous flushing and continuous drainage can be formed, all attention of doctors can be focused on examination and treatment, at least half of examination and treatment time can be saved, and the safety is greatly improved.

The invention discloses an ultrasonic cystoscope which belongs to the technical field of medical apparatuses. The ultrasonic cystoscope is formed by organically combing an altered scleroid cystoscope with a miniature ultrasonic probe, and has the functions of a cystoscope and ultrasonic inspection. The ultrasonic cystoscope comprises an endoscope main body. The endoscope main body comprises a scleroid endoscope end part, and an apparatus passage, a cold light source input end and an eye lens input end which are communicated with the scleroid endoscope end part. A lens sheath is arranged outside the endoscope main body, and an operator with at least one apparatus passage is connected with the lens sheath. The miniature ultrasonic probe used for carrying out real-time ultrasonic scanning onbladders is arranged in the apparatus passage of the endoscope main body. The ultrasonic cystoscope can exactly fix the position, the size, the appearance and the range of focus, enhance the accuracyof bladder examination, diagnosis and operation, make up the shortage of the current diagnosis and treat methods and better diagnose and treat various bladder diseases. In addition, the ultrasonic cystoscope has favorable grippage, which is convenient for operations to be carried out successfully.

The invention relates to a ureteral stent puller. The ureteral stent puller is provided with a rubber pipe and a solid wire, wherein the rubber pipe is 30cm in length and has a diameter of NO.Fr6; the tail end of the rubber pipe is connected with a water injection pipe; the head end of the rubber pipe is provided with a first small hole and second small hole; the first small hole is positioned in the end part of the rubber pipe; the second small hole is positioned in the side wall of the rubber pipe, and the distance between the second small hole and the first small hole is 1cm; the solid wire enters into the rubber pipe through the second small hole and passes through the second small hole; the solid wire is a nylon wire. The ureteral stent puller has the advantages that the rubber pipe is adopted and the solid wire is an external member; compared with a cystoscope pulling method, a cystoscope is not needed, anesthesia is not needed, and the whole price of the external member is low; due to non-sticky property and good flexibility of the solid wire, the solid wire is in a natural state in a surgery process, so that a ureteral stent can be pulled out conveniently.

The invention belongs to the technical field of medical equipment, and especially relates to a portable cystoscope for urological examination. The portable cystoscope includes a cystoscope body; a base plate is installed on one end of the cystoscope body, and a urethral catheter is installed on the end, away from the base plate, of the cystoscope body; and a sterile telescoping sleeve is installedon the outer side of the urethral catheter, and a disinfection tube is installed on the end, away from the cystoscope body, of the sterile telescoping sleeve. When the alcohol in an alcohol bottle infiltrates into cotton gauze, the sterile telescoping sleeve can be circularly pulled so as to make the cotton gauze slide along the outer sidewall of the urethral catheter, and therefore, disinfectioncan be performed on the urethral catheter through the alcohol; after disinfection is finished, the urethral catheter can be wrapped by the sterile telescoping sleeve, and a protection plate can covera guiding hole so as to make the guiding hole of the protection plate in contact with the urethra of a patient; and a staff member pulls the sterile telescoping sleeve, so that the urethral cathetercan be inserted into the urethra of the patient from the guiding hole, and in this way, the urethral catheter can be avoided from contacting air.

The invention discloses a flexible ureteroscope diagnosis and treatment method and a device which are integrated with a guiding sheath. According to the device, a detachable hard tube is adopted, so that hard connection which has mechanical strength and is convenient for holding and controlling a handle of a flexible ureteroscope is established between the flexible ureteroscope and the guiding sheath. The flexible ureteroscope handle and the tail end fixing part of the guiding sheath can be combined into a whole, and the insertion operation of the guiding sheath can be conveniently realized bypushing the flexible ureteroscope handle. No additional cystoscope is needed to be used in the operation process, operation steps are simplified, operation time is saved, operation cost is reduced, and operation risks are reduced.