52 results about "Ureteroscopes" patented technology

A method of localizing a target anatomy involves advancing a ureteroscope to a target calyx of a kidney of a patient through at least a portion of a urinary tract of the patient, determining a positional offset between one or more position sensors associated with the ureteroscope and a target papilla of the kidney that is at least partially exposed within the target calyx, and determining a percutaneous access target based at least in part on one or more of a present position of the one or more position sensors or the positional offset.

Devices, systems, and methods for treating stones in anatomical structures are disclosed. A device may include an elongate member and a tubular member extending distally from the elongate member. The elongate member may define one or more lumens with an opening at a distal end of the elongate member. The tubular member may be configured to collapse to a pre-determined shape when in a relaxed state and expand in response to receiving an object. The device may be used with a scope, such as a ureteroscope, lithotripsy devices, and / or other medical devices or systems.

A medical device includes a sheath extending longitudinally from a proximal end to a distal end and a handle coupled to the proximal end of the sheath. The handle includes a deflection lever coupled thereto. The deflection lever is rotatable proximally and distally along the handle to deflect a distal end of the shaft to which it is operably coupled and a locking mechanism movable between an locked configuration in which the locking mechanism engages an engagement feature on the outer surface of the handle, preventing the deflection lever from rotating and locking the distal end of the shaft in a desired position, and an unlocked configuration in which the locking mechanism releases the engagement feature to allow rotation of the deflection lever and deflection of the distal end of the shaft.

The utility model discloses a tube sheath holding mirror separating device attached to the outside of a ureteroscope sheath tube. The tube sheath holding mirror separating device comprises a bag tube and an injection tube. The balloon tube is divided into a balloon tube inner layer and a balloon tube outer layer, a closed cavity is formed, and the balloon tube wraps and is attached to the ureteroscope sheathing canal; the injection tube comprises a water injection tube and a liquid injection tube, the water injection tube extends into the cavity of the balloon tube and can inject gas into the balloon tube, and the liquid injection tube extends into the space between the inner layer of the balloon tube and the outer wall of the sheath tube and can inject normal saline to form a gap between the balloon tube and the sheath tube. According to the ureteroscope, the bag tube wrapped and adsorbed on the ureteroscope tube sheath is arranged, when the ureteroscope is held, gas can be injected into the bag tube through the injection tube to support the ureteroscope, and normal saline is injected between the bag tube and the tube sheath to separate the bag tube and the tube sheath, so that the ureteroscope can be smoothly separated, and the problems that the ureteroscope is difficult to draw out due to the fact that the ureteroscope is held are solved. The ureter avulsion or fracture is further caused.

The ureteroscope with the bendable insertion end comprises a handle part, an insertion part and a tip bending part, the tip bending part is fixedly connected to the front end of the insertion part, the rear end of the insertion part is fixedly connected with the front end of the handle part, an eyepiece part is arranged above the front portion of the middle end of the handle part, and the eyepiece part is fixedly connected with the front end of the handle part. An operation channel opening valve is arranged below the front portion of the middle end of the handle part, the rear portion of the middle end of the handle part is a handheld area, a tip bending part adjusting mechanism is fixedly installed at the tail end of the handheld area, a water inlet connector is fixedly connected to the bottom of the tip bending part adjusting mechanism, and the side face of the water inlet connector is communicated with a water outlet connector. According to the ureteroscope, the tip bending part adjusting mechanism is additionally arranged on the basis of an existing ureteroscope, the bending angle of the tip bending part which can only be passively bent originally can be actively adjusted through the tip bending part adjusting mechanism, and therefore the problem that according to a traditional passive bending scheme, when the needed bending angle is too large, the bending angle is too large is solved. And large friction is easily generated with the lumen of the patient, so that the patient feels uncomfortable.

This invention relates to the field of force measuring device technology, and more particularly to a force measuring device for ureteroscopic surgery, comprising a hand handle, a clamping component, a pressure sensor, a control board, and a display screen. The hand handle has an integrally formed opposing plate at its top, with a perforation on the opposing plate. The clamping component is used to hold tubular objects used during ureteroscopic surgery and includes a base plate, rod-shaped bodies integrally formed on both sides of the upper part of the base plate and arranged opposite each other, and a clamping assembly disposed between the two rod-shaped bodies. A guide post is fixedly connected to the base plate. The pressure sensor monitors the pressure between the opposing plate and the base plate. The control board is located inside the hand handle; its input end is connected to the output ends of the two pressure sensors. By setting up the control board, pressure sensors, and an alarm device, an alarm can be triggered promptly when the force exceeds a set threshold during insertion or withdrawal, thus alerting the surgeon and reducing instances of non-standard surgical procedures.

The invention relates to the technical field of flushing devices, and provides a ureteroscope flushing device which can realize sequential operation of primary cleaning, soaking, secondary cleaning and disinfection links of a ureteroscope, the cleaning steps are relatively complete, the cleaning effect is further improved, and the cleaning quality is also ensured to a certain extent. The ureteroscope cleaning device can achieve assembly line type cleaning operation of a plurality of ureteroscopes, is good in operability and more practical and comprises a box body and a table frame, a mounting table is fixedly connected to the table frame, a conveying belt is mounted on the mounting table, a plurality of mounting rods are hinged to the conveying belt, and positioning frames are fixedly connected to the mounting rods. The mounting table is provided with a plurality of positioning frames, each positioning frame is provided with an opening positioning cavity, each positioning frame is provided with an adjustable positioning structure, the mounting table is connected with a traction rail bar through a plurality of supporting rods, the traction rail bar is connected with a plurality of opening bar rings, each opening bar ring is fixedly connected with a connecting spring, and each connecting spring is fixedly connected with a traction ring.

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

The 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 invention relates to ureteroscope equipment based on artificial intelligence and an implementation method. The method comprises the following steps: constructing a ureteroscope image set based on a ureteroscope operation video; constructing a target detection network which comprises a feature extraction module, a feature fusion module and a feature detection module; the feature extraction module is used for carrying out step-by-step spatial downsampling and semantic feature extraction on the ureteroscope image and outputting a multi-scale feature map; the feature fusion module is used for receiving a highest-layer feature map in the multi-scale feature map, expanding a receptive field through spatial pyramid pooling and compressing channel dimensions, and generating a fused high-layer semantic feature map; the feature detection module is used for outputting a position frame and confidence of the ureteral orifice based on the fused high-level semantic feature map; and training the target detection network by using the ureteroscope image set, and obtaining a ureteral orifice detection model based on the trained target detection network. The ureter opening can be quickly and accurately detected through the ureteroscope image.

The invention belongs to the technical field of medical apparatus and instruments, and discloses a movable water-blocking drainage apparatus on a ureteroscope, the movable water-blocking drainage apparatus comprises a shell, the shell is composed of an upper connecting part and a lower connecting part, the upper connecting part and the lower connecting part are each composed of a water-blocking part, a buffer part and a mounting part, the two mounting parts are rotatably connected through a hinge, and the water-blocking part is connected with the buffer part. The two sets of installation parts are fixedly connected with pressing plates, a first elastic piece is arranged between the two sets of pressing plates, and the lower connection part is connected with a liquid guide pipe. The ureteroscope drainage device solves the problem that in the prior art, when a ureteroscope discharges drainage liquid, gauze is usually used for wrapping drainage, overflow of the drainage liquid cannot be effectively blocked, and operation is not facilitated.

The invention discloses a disposable ureter lithotripsy and calculus discharging device, and belongs to the technical field of urinary surgery minimally invasive surgical instruments, and the disposable ureter lithotripsy and calculus discharging device comprises a disposable ureteroscope, comprising a head end seat, a camera module assembled on the head end seat, a temperature and pressure sensor assembled on the head end seat, a snake bone connected with the head end seat, and a hose connected with the snake bone, the head end seat is provided with at least two channels; wherein one channel is configured as a water injection channel, and the other channel is configured as a suction intervention channel; the handle assembly is connected with the insertion assembly; according to the disposable ureteral lithotripsy and lithotripsy device, a traditional lithotripsy and lithotripsy operation mode is changed, and the problems that a traditional ureteral lithotripsy and lithotripsy system is complex in operation and large in material consumption, real-time temperature and pressure monitoring cannot be conducted, and the temperature and pressure in the body cannot be adjusted are solved.

1. Name of the product in this design: Ureteroscope with graduations. 2. Purpose of this design: For the examination and diagnosis of the ureter, and can be used in conjunction with relevant accessories for endoscopic treatment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: the front view. 5. Other situations requiring explanation: Other explanation: Partial enlarged view 1 is a partial view in the main view.

This invention discloses a disposable ureteral lithotripsy and stone removal device, belonging to the field of minimally invasive surgical instruments in urology. It includes: a disposable ureteroscope, comprising: an insertion assembly including: a tip, a camera module mounted on the tip, a temperature and pressure sensor mounted on the tip, a snake-like bone connected to the tip, and a flexible tube connected to the snake-like bone; the tip has at least two channels, one configured as a water injection channel and the other as a suction intervention channel; a handle assembly connected to the insertion assembly; and a disposable ureteral lithotripsy and stone removal system connected to the handle assembly. This disposable ureteral lithotripsy and stone removal device changes the traditional surgical method of lithotripsy and stone removal, solving problems such as the complexity of operation, high consumable costs, inability to perform real-time temperature and pressure monitoring, and inability to regulate internal temperature and pressure in traditional ureteroscopic lithotripsy and stone removal systems.

The invention discloses a disposable ureteroscope and a lithotripsy and discharge device, and belongs to the technical field of urinary surgery minimally invasive surgical instruments, the disposable ureteroscope and lithotripsy and discharge device comprises an insertion assembly comprising a head end seat, a camera module assembled on the head end seat, a temperature and pressure sensor assembled on the head end seat, a snake bone connected with the head end seat, and a hose connected with the snake bone; the head end seat is provided with at least two channels; wherein one channel is configured as a water injection channel, and the other channel is configured as a suction intervention channel; the handle assembly is connected with the insertion assembly; according to the disposable ureteroscope and lithotripsy and lithotripsy device, the pressure sensor is matched with the suction channel and the water injection channel in function, so that the effect of controlling temperature and pressure is achieved, the risk of an operation is greatly reduced, and the safety of a patient is guaranteed; compared with an existing soft lens technology, a hard lens and a sheath do not need to participate in guiding, the system can directly enter the body of a patient, the operation process is reduced, and the operation difficulty is lowered.

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

The utility model discloses a disposable ureteroscope guide sheath which comprises a hose, one end of the hose is communicated with a fixing sleeve, two sets of sliding assemblies are connected in the fixing sleeve in a sliding mode, two sets of steel wire ropes are connected in the hose in a sliding mode, and one end of each steel wire rope is fixedly connected with a fixing piece. According to the disposable ureteroscope guide sheath, through the arrangement of the sliding assembly and the steel wire rope, when the guide sheath is inserted into the urethra, the pull ring is pulled according to the bending degree of the urethra, so that the pull rod drives the steel wire rope to slide in the sliding hole in one side in the hose, the positioning rod slides in the fixing sleeve, and the telescopic spring is stressed to deform; the steel wire rope is pulled to drive the hose to deflect, so that the effect of adjusting the deflection angle of the conical intubation tube is achieved, the situation that the conical intubation tube extrudes the urethra wall and causes urethra injury when the disposable ureteroscope guide sheath is directly inserted into the urethra is prevented, and the adjustability and safety of the disposable ureteroscope guide sheath are improved.

This invention provides a ureteroscopic irrigation catheter, belonging to the field of medical device technology. The ureteroscope includes a scope body and a tubing. An imaging probe is installed at the end of the tubing. An infusion catheter is inserted through the tubing, and the gap between the catheter and the inner wall of the tubing forms a return channel. The inner wall of the catheter is equipped with a spiral flow-guiding structure to generate centrifugal force to evenly disperse the water flow. This invention systematically solves the problems of thermal damage and visual interference in ureteroscopic holmium laser lithotripsy through fluid dynamics optimization and a dual-channel drainage structure, combining clinical safety and ease of operation.

The invention discloses a ureteroscope capable of rapidly replacing a ureteroscope body and monitoring inlet resistance in real time, the ureteroscope comprises the ureteroscope body, one end of the ureteroscope body is provided with a caliper fixing structure, the ureteroscope body is fixedly installed at one end, far away from the ureteroscope body, of the caliper fixing structure, and the interior of the ureteroscope body is slidably connected with a resistance detection structure. An existing ureteroscope is redesigned and reformed, the resistance detection structure and the caliper fixing structure are additionally arranged on the front portion of the eyepiece and the front portion of the light source, the resistance detection structure is externally connected with the monitoring computer, the ureter entry resistance can be monitored in real time in an operation, and when the monitored entry resistance is larger than a normal value, the caliper fixing structure is connected with the caliper fixing structure. According to the ureteroscope early warning device, guidance is provided for a surgeon to replace the ureteroscope through early warning, the situation that the surgeon breaks off the ureteroscope due to the too large deviation angle when entering is prevented by monitoring the maximum early warning of the shearing force, the design of the caliper fixing structure enables the doctor to only replace the ureteroscope body part when replacing the ureteroscope, and the waiting time in an operation is shortened.

A system for providing a medical treatment, including a first medical instrument and a second medical instrument is disclosed. The first medical instrument includes a first operator interface configured to define a plurality of operating parameters of the first medical instrument. The second medical instrument includes a second operator interface configured to define a subset of the plurality of operating parameters. The first operator interface is configured for placement and use outside of a sterile field and the second operator interface is configured for placement and use within the sterile field. The second operator interface is attached to or attachable to a handle of the second medical instrument. The handle is configured for manipulation by a hand of the operator and the second operator interface is configured for interaction with one or more extremities of the same hand.

1. The name of the product of this design: Disposable intraoperative temperature and pressure measurement ureteroscope catheter. 2. The purpose of this design product: used for lighting, taking pictures, and detecting the patient's intracavitary conditions. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

Various embodiments disclosed relate to a balloon catheter for use with a ureteroscope. A balloon catheter may include an elongated shaft having a proximal end and a distal end, the elongated shaft shaped for insertion into a patient. A balloon catheter may include a balloon attached at the distal end of the elongated shaft, wherein the balloon is inflatable between a collapsed state and inflated state, and wherein a wall of the balloon comprises a balloon wall material defining plurality of valves that open to allow fluid flow therethrough when the balloon is in the inflated state.

The invention relates to the technical field of medical instruments, and discloses a ureteral stent positioning device which comprises a ureteroscope, the ureteroscope comprises a holding part, a doctor holds the holding part with two hands when the ureteroscope is used, one end of the holding part is fixedly provided with an insertion part used for insertion for visiting and positioning, and the insertion part is a slender pipeline. By arranging the rotating piece, when a doctor holds the ureteroscope with one hand, the angle of the inserting part can be adjusted through the operation part, the guide wire can be pushed into the human body through the thumb, and therefore the convenience of the ureteral stent implantation operation is improved, the number of doctors during the operation can be reduced, when the guide wire is pushed, the first guide wheel can rotate in one direction, and the guide wire can be conveniently pushed. The guide wire is prevented from being pulled out of the insertion part by self weight; and the doctor can adjust the clamping force of the guide wheel I and the guide wheel II on the guide wire in real time through the finger ring, so that the condition that the guide wire is blocked is dealt with in this way, and the convenience of single-hand operation of the doctor is improved.

A ureteroscope (101) for RIRS is disclosed. The ureteroscope (101) includes a connector (103), a scope straightener sheath (102) and an elongated flexible member (2). The connector is coupled to an inlet port (3) of the ureteroscope (101) and the elongated flexible member (2) is connected to a reusable portion (10) of the ureteroscope (101) and is inserted into the scope straightener sheath (102. Further, the connector (103) includes a conduit (104) with a first port (111), a second port (112) and an elongated flow passage (110), such that the first port (111) and the second port (112) are configured to simultaneously perform irrigation and suction of working fluid upon the vacuum generation device activation, respectively. The ureteroscope (101) of the present disclosure reduces the time taken for treating the subject and also maintain consistent inter renal pressure without causing any complications to the subject during the RIRS procedure.

The invention relates to the technical field of urinary surgery treatment, and the ureteroscope comprises a ureteroscope main body, a supporting frame is installed on a patient body fixing assembly, a tube lens end is installed at the front end of the ureteroscope main body, the supporting frame is installed on the ureteroscope main body, and a liquid pulse end is installed on the supporting frame. The pressure pulse output end of the liquid pulse end is communicated with the tube lens end; wherein a supporting tube is connected and installed between the supporting frame and the tube mirror end, and through the innovative structural design, the dual functions of precise operation and pressure adjustment are achieved. According to the device, the ureteroscope main body and the supporting tube are cooperatively matched, the inner connecting rod is driven to move through clamping operation of the first holding end and the second holding end, and flexible opening and closing control over the ureteroscope end is achieved. The innovative spring piece design enables operation to be more labor-saving, the connecting ring is matched with the elastic fixing band and the hook-and-loop fastener so that the device can be fixed to the body of a patient or other supports, and the arm burden of a doctor is remarkably relieved.

The present disclosure teaches multi-classification of endoscopic imaging using segmented neural networks. The network trains the imaging data using a novel loss function with components of both focus loss and boundary loss. During a lithotripsy procedure, an image is received by a deployed endoscopic probe. Based on the received imaging data and inference data from its previously learned, the segmentation neural network identifies kidney stones and surgical instruments within the imaging data. The imaging data is modified and displayed to assist in lithotripsy procedures.

The invention discloses a flexible bionic grabbing instrument for ureteroscope calculus removal and an operation method of the flexible bionic grabbing instrument, and belongs to the technical field of medical instruments. Comprising a handheld pipe, a connecting circular plate is fixedly connected to the right side of the handheld pipe, a control mechanism is arranged on the right side of the connecting circular plate, a flexible pipe is fixedly connected to the left side of the handheld pipe, and a clamping mechanism is arranged at the left end of the flexible pipe; the multiple flexible clamping plates are connected with the flexible pipe through the first rotating pieces, and matched with a linkage structure of the elastic pulling pieces and the pulling plates, the folding angle can be adjusted in a self-adaptive mode according to the size and shape of broken stones during clamping, wrapping type clamping of the broken stones is achieved, compared with traditional single-point or linear contact clamping, the contact area is greatly increased, meanwhile, the clamping efficiency is greatly improved, and meanwhile the clamping effect is good. The anti-slip strips integrally formed on the inner side walls of the flexible clamping plates can effectively increase friction resistance with the surfaces of the broken stones, and stable holding can be achieved even if the broken stones with smooth surfaces and adhered with mucus are used.

The application discloses a distal end bendable guide sheath, a ureteroscope and a use method thereof, and relates to the technical field of medical devices. The distal end bendable guide sheath comprises a sheath pipe base, a sheath pipe and an adjusting base, wherein the proximal end of the sheath pipe is installed on the sheath pipe base, the distal end of the sheath pipe is a bendable structure, a through hole is arranged on the adjusting base, the through hole is a channel for the insertion part of the ureteroscope to enter the sheath pipe, the adjusting base is rotatably installed on the sheath pipe base, the distal end of the sheath pipe is adjusted to bend through the rotation of the adjusting base, the distal end of the insertion part is driven to bend through the bending of the sheath pipe, and the insertion part is abutted against the inner wall of the sheath pipe through the abutment of the through hole and the insertion part. The guide sheath can further drive the distal end of the insertion part to bend through the bending of the distal end of the sheath pipe, so that the insertion part can reach a preset limit bending angle; on the other hand, when the bending angle of the sheath pipe is adjusted, the gap between the guide sheath and the insertion part can be increased, and it is avoided that the stones need to be crushed to a small enough particle size.

The present invention discloses a medical ureteroscope system, comprising a ureteroscope body and a visualization system. The ureteroscope body comprises a tube and a working component, wherein the working component is mounted on the tube so as to extend forward from a distal end of the tube, wherein the distal end of the tube has an imaging end face and a suction end face located forward of the imaging end face, and the ureteroscope body comprises a suction channel extending axially within the tube to form a suction opening at the suction end face of the distal end. The visualization system comprises a camera and a display device communicatively connected to the camera, wherein the camera is mounted on the imaging end face of the distal end and is configured to capture the suction opening and the working component extending from the distal end, so that images of the suction opening and the working component are displayed on the display device.

Devices, systems, and methods for removing renal calculi or other debris using a spinner device and a ureteroscope or sheath. The ureteroscope includes proximal and distal ends, a lumen extending therebetween, and a plurality of slits through the distal end. The spinner device includes a spinner head on a second end of a flexible shaft received in the lumen. The spinner head includes a hollow body including an inlet communicating with a cavity and a plurality of slits configured to generate localized suction adjacent the inlet of the spinner head when the shaft rotates to capture renal calculi or other debris within the cavity. Optionally, the devices may include one or more of a camera, a laser probe, and a source of vacuum.