46 results about "URETEROSCOPE" patented technology

The invention relates to the technical field of medical instruments, in particular to a flexible ureteroscope used in cooperation with a diameter-variable ureteroscope sheath, which comprises a ureteroscope sheath body and a flexible ureteroscope body, the ureteroscope sheath body comprises a deformation section and a support section, the deformation section has a first form and a second form, and the flexible ureteroscope body comprises a handle section and a ureteroscope tube section. The endoscope tube section comprises a first tube body part and a second tube body part, a fixing groove is formed in the first tube body part, and the outer diameter of the deformation section in the first form is smaller than or equal to the outer diameter of the first tube body part; the inner diameter of the deformation section in the second form is greater than the outer diameter of the first pipe body part; a first liquid injection channel is further arranged in the endoscope tube section, and a first liquid outlet hole is formed in the fixing groove. Compared with the prior art, in the operation of expanding the human body ureterostenosis section by the deformation section, a stenosis ring in the human body ureterostenosis section does not need to be broken by supporting, so that the injury to the human body ureter in the ureteroscope lithotripsy is effectively reduced, and the postoperative pain of a patient is reduced.

The invention relates to the technical field of medical instruments, and discloses a pedal control type urinary surgery ureteroscope perfusion pressure pulse adjusting device which is characterized in that the piston head in the middle of three groups of piston heads is inserted into a liquid injection cavity, and the piston heads on the two sides are inserted into a pressure cavity; the three sets of piston heads can inject liquid and high-pressure gas into the control valve cavity from the liquid injection cavity and the pressure cavity. A pedal control mechanism is innovatively introduced, a worker treads a pedal frame in a reciprocating mode, controls liquid to clean a lens and flushes broken stones in a matched mode, the rhythm of treading flushing can be better controlled through autonomous reciprocating treading of a doctor, the situation that an assistant needs to repeatedly use an injector and an extension tube for pushing injection in a traditional urinary surgery is avoided, and the working efficiency is improved. The problems that doctors need to be frequently matched with nurses, the examination concentration of the doctors is easily affected are solved, operation is more efficient, and the problem that the injectors are repeatedly replaced is solved.

A ureteroscope system including a handpiece, a catheter, one or more sensors, and a processor is described. The handpiece includes a working channel port and a working channel in fluid communication with the working channel port. The catheter is secured to the handpiece and includes a distal end defining a working channel opening in fluid communication with the working channel. The one or more sensors are positioned and configured to detect a position of at least a portion of a laser fiber. The processor is configured to determine if an emitting end of the laser fiber configured to emit laser light is outside the working channel and spaced at least a predetermined distance from the distal end of the catheter.

The invention discloses a universal soft endoscope system which comprises a reusable handle, and a threaded connector is arranged at the front end of the handle and used for being connected with a disposable soft endoscope consumable assembly. The threaded connector extends outwards to be provided with a flexible camera sleeve, and the end of the flexible camera sleeve is connected with a reusable camera assembly through a snake bone assembly. At least one group of traction assembly is arranged in the handle and is used for driving the camera assembly to steer; the camera assembly is electrically connected to the control device, and the control device is used for processing image signals collected by the camera assembly and / or controlling the traction assembly to achieve steering of the camera assembly. The disposable flexible lens consumable assembly is one of a disposable gastroscope consumable assembly, a cystoscope consumable assembly or a bronchoscope consumable assembly and a ureteroscope consumable assembly. The problems that an existing soft endoscope is high in cost, use convenience and safety are insufficient, and performance is difficult to guarantee are solved, cost is reduced, and meanwhile performance and use safety are improved.

The hard ureteroscope comprises a ureteroscope body, an outer sheath tube and an inner tube are arranged at the front end of the ureteroscope body, the inner tube is arranged in the outer sheath tube in a sleeved mode and divides the inner portion of the outer sheath tube into a first outer channel and a second outer channel, and an instrument channel opening communicated with the inner tube is formed in the rear end of the ureteroscope body and used for guiding an instrument tube into a ureter through the inner tube to crush stones. Wherein a flexible circuit board which is arranged in a bent mode is arranged in the first outer channel, a sealed containing cavity is formed between the front section of the flexible circuit board and the front end of the first outer channel and used for containing a camera shooting assembly arranged on the front section of the flexible circuit board in a sealed mode, and the rear section of the flexible circuit board penetrates through the mirror body through the rear end of the first outer channel and is used for being electrically connected with a host. The second outer channel is communicated with a perfusion connector arranged on the endoscope body, and the inner tube is communicated with a suction connector arranged on the endoscope body. The flexible circuit board is used for forming the ureteroscope small in size, perfusion operation and suction operation can be carried out at the same time, and the use time of an operation is shortened.

The utility model discloses an integral hard ureteroscope handle which comprises a main pipeline configured to be provided with endoscope parts. The outer shell wraps the outer side of the main pipeline and is provided with a first protruding part, a second protruding part and a third protruding part. The first protruding part is located on one side of the main pipeline and matched with the adjacent portion of the outer shell to form an upper holding area. The second protruding part and the third protruding part are located on the other side of the main pipeline relative to the first protruding part, and the second protruding part and the third protruding part are matched with the outer shell between the second protruding part and the third protruding part to form a lower holding area. The outer shell is in a bent arc shape and can be attached to the hand holding posture of an operator, and the operator can have a comfortable force application point conveniently. The lining piece is arranged in the outer shell in an injection molding mode, and shrinkage of the outer shell due to the fact that the local wall thickness is large is prevented. The first metal insert and the second metal insert are arranged in the outer shell in an injection molding mode, the situation that the outer shell shrinks due to the fact that the local wall thickness is large is prevented, and the strength of the whole endoscope structure after installation is completed is guaranteed.

The utility model belongs to the technical field of medical instruments, and particularly relates to a miniature lens line for treating kidney stone, which comprises a flexible circuit board, a miniature image sensor, LED (light-emitting diode) modules, a capacitor, a wire rod and an elastic sleeve, the miniature image sensor is arranged at the front end of the flexible circuit board and located between the two LED modules, the capacitor is arranged on the flexible circuit board, the wire rod is connected to the position, away from the front end of the flexible circuit board, of the flexible circuit board, and the elastic sleeve at least covers part of the wire rod and the connecting position of the wire rod and the flexible circuit board. Epoxy resin glue for packaging the joint of the wire rod and the flexible circuit board is injected into the elastic sleeve. When in use, the miniature lens wire enters the ureteroscope and is repeatedly bent by 250 degrees, so that a welding spot at the joint of the wire and the flexible circuit board cannot be broken, the bending service life is longer, and the use stability is more reliable.

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.

A ureteroscope in which a reusable portion is inserted into a pistol-type handle of a disposable portion, and an elastic cover can cover the reusable portion and the hollow end of the handle. The hub assembly and cannula of the disposable portion can be rotated or manually driven by power, and in a deflection plane, the tip portion of the cannula can be deflected manually or under the action of power. The hub assembly may be provided with one or more ports in communication with one or more lumens within the cannula. The ports are aligned in a Luer plane, which may be in line with the deflection plane or at an angle relative to the deflection plane. The remote display is connected with the ureteroscope or the endoscope in a wireless mode or through a cable.

The application discloses a ureteroscope for optical fiber visual surgery, which comprises a mirror body and a ureteroscope tip, wherein the mirror body comprises a mirror tube and working components installed on the mirror tube; the ureteroscope tip is arranged on the mirror body, and the ureteroscope tip comprises a tip part and an image acquisition device; the tip part is arranged at the front end of the mirror tube and comprises a working hole for guiding the working components to extend forwardly out of the tip part; the image acquisition device comprises a camera installed on the tip part, and the working components extending out of the working hole extend forwardly to the meridian image plane of the camera, so that the head image of the working components is in the visual central axis of the camera.

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

The invention provides an integrated tail-end-expandable bent ureteroscope, and relates to the technical field of urology department treatment equipment.The integrated tail-end-expandable bent ureteroscope comprises a catheter assembly, a ureteroscope assembly is arranged at one end of the catheter assembly, a connecting assembly and a handle assembly are arranged between the catheter assembly and the ureteroscope assembly, and a holding spherical shell and an adjusting assembly are arranged at the end of the ureteroscope assembly; the catheter assembly and the endoscopic camera are arranged in the middle cavity of the catheter assembly and the middle cavity of the endoscope assembly, the balloon sleeve is arranged at the end of the catheter assembly, and the operation time is shorter than that of an original technology, so that a doctor can complete more operations within the same time, the working efficiency of the doctor can be improved, the waiting time of a patient can be shortened, and the patient experience is improved. In addition, due to the fact that the operation time is shortened, the time of the patients in the anesthesia state is shortened, risks related to anesthesia are reduced, the operation time can be effectively shortened, the ureterostenosis problem can be treated at the same time, the operation difficulty of the ureterostenosis operation is reduced, and the hospitalization frequency and pain of the patients are reduced.

The present application provides a foot-operated negative pressure volume regulating device and a ureteroscope lithotripsy instrument, comprising: a main negative pressure pipeline and multiple negative pressure branches; multiple layers of pressure members, the multiple layers of pressure members being spaced apart and forming pressure regulating spaces between adjacent pressure members, the multiple negative pressure branches being respectively arranged in the multiple pressure regulating spaces, the pressure members on both sides of the pressure regulating spaces being upper and lower pressure members; multiple elastic return members, the multiple elastic return members connecting adjacent pressure members; a locking mechanism, the locking mechanism having a locking state for locking the lower pressure members between adjacent pressure regulating spaces, and an unlocking state for enabling the lower pressure members to move when the upper pressure member moves downward; the upper pressure member being forced downward to reduce the diameter of the negative pressure branch, and the unlocking of the locking mechanism allowing the diameters of the multiple negative pressure branches to be reduced layer by layer. The present application solves the problem of the inconvenience of using a handheld valve for negative pressure regulation in the prior art.

The urethral catheter assembly comprises a urethral catheter and a ureteral catheter, the rear end of the urethral catheter is provided with an outlet branch pipe penetrating through a front port in a forked mode, the ureteral catheter penetrates through the urethral catheter, the front end of the ureteral catheter extends out of the urethral catheter to reach the pelvis, the rear end of the ureteral catheter extends out of the outlet branch pipe, and a leather plug capable of being plugged is arranged at the tail end of the outlet branch pipe. The ureteral catheter is used in cooperation with a ureteroscope in an operation, after the ureteral catheter is placed in a renal pelvis cavity and retreats from the ureteroscope, the urethral catheter is placed along the ureteral catheter, the outer end of the ureteral catheter extends out of an outlet branch pipe of the urethral catheter, and the ureteral catheter is used for collecting urine or injecting contrast agents or medicine to complete examination and treatment.

According to the electronic hard ureteroscope system based on magnetic navigation, one end of a mother magnet is connected to a sleeve, the mother magnet and the sleeve are arranged on a guide wire in a sleeving mode, the mother magnet can be installed and taken out through insertion and pulling of the sleeve after being guided by the guide wire, and compared with the prior art, the mother magnet can be taken out through a fistulization opening in a retrograde mode; due to the auxiliary effect of the sleeve, the time required for mounting and taking out the mother magnet is greatly shortened, the x-ray radiation exposure of a patient is reduced, the operation time is shortened, and the technical requirements on an operator are reduced; the direction of the magnetic probe pushed out by the push plate can be observed through the eyepiece, due to the magnetic attraction matching relation between the magnetic probe and the mother magnet, the direction of the magnetic probe is the direction where the mother magnet is located, namely the direction of the other end of the ureter locking section, and then the holmium laser optical fiber is placed through the instrument channel. The ureter locking section can be re-communicated through the cooperation of laser striking and burning and navigation pointing of the magnetic probe.

The invention discloses a delivery sheath positioning system and method in a flexible ureteroscope operation, and the system comprises a hard ureteroscope which is used for observing the position and state of calculus; the first transmitter is arranged at the far side end of the outer sheath and is used for transmitting signals with different frequencies; the receivers are arranged at different positions of the waist of the patient and used for receiving the signals sent by the first transmitter; the controller is electrically connected with the receiver and the display and is used for calculating the position of the transmitter according to the amplitude of the received signal and displaying the position on the display; and the display is electrically connected to the controller and is used for displaying the received signal. According to the invention, the controller is utilized to determine whether the first transmitter has reached the calculus based on the amplitude of the signal with the most appropriate frequency, so that the accuracy of sheath insertion is greatly improved.

The utility model discloses a kind of flexible multi-dimensional ureteroscope under grabbing device based on logarithmic spiral structure, comprising: flexible grabbing head, it can be logarithmic spiral type bending to grab stone;Flexible body part passageway, with ureteroscope operation passageway adaptive setting, flexible grabbing head is connected in the first end of flexible body part passageway;Hand control operating part, including fixed part and movable operating part, fixed part is fixedly connected in the second end of flexible body part passageway, movable operating part is movably set in the second end of flexible body part passageway, movable operating part is used to drive flexible grabbing head bending as logarithmic spiral structure.The flexible grabbing head of the utility model can be bent in multiple dimensions, realize the grabbing task of each direction self-adapting size, and can complete not in the effective grabbing range of traditional equipment, narrow space or stone in incarceration, adhesion inconvenient handling condition under grabbing task, can be used for lithotomy task in multiple scenes.

The present invention discloses an electronic ureteroscope system based on magnetic navigation. In this application, one end of the mother magnet is connected to the sleeve, and the mother magnet and the sleeve are sleeved on the guide wire. The mother magnet can be installed and removed by inserting and pulling the sleeve after being guided by the guide wire. Compared with the existing technology, it can be removed retrogradely through the fistula. Moreover, due to the auxiliary effect of the sleeve, the time required for installation and removal of the mother magnet is greatly reduced, which reduces the patient's X-ray radiation exposure, shortens the operation time, and reduces the technical requirements for the surgeon. The direction of the magnetic probe pushed out by the push plate can be observed through the eyepiece. Due to the magnetic attraction and matching relationship between the magnetic probe and the mother magnet, the direction of the magnetic probe is the direction of the mother magnet, that is, the direction of the other end of the ureteral atresia segment. Then, a holmium laser optical fiber is inserted through the instrument channel. The ureteral atresia segment can be re-canalized by laser striking and burning in combination with the navigation direction of the magnetic probe.

The present invention relates to the technical field of endoscopes, and in particular to an electronic ureteroscope and a suspension system, wherein the motor ureteroscope consists of a scope body, a scope tube, a support rod and a sealing structure, the sealing structure is arranged on the scope body, and the support rod is fixed after the support rod is inserted into the scope tube, and the present invention uses the support rod to convert the ureteroscope of the present invention into a hard scope state for use, and converts it into a soft scope state for use after the support rod is pulled out. Moreover, in order to facilitate storage and subsequent use of the ureteroscope, the present invention also provides a suspension system for the electronic ureteroscope, and the suspension system of the present invention can automatically separate the scope body and the support rod, and dry the ureteroscope to avoid bacterial growth.

The utility model discloses an electronic ureteroscope structure and aims to provide an electronic ureteroscope structure which is good in waterproof effect and convenient to maintain and repair. The endoscope comprises an endoscope body, the rear end of the endoscope body is provided with an infusion opening, a water outlet, an instrument opening and an inclined endoscope body, the front end of the endoscope body is provided with an endoscope tube, the inner side of the endoscope tube is provided with an operation channel, an observation channel and a lighting optical fiber, the infusion opening, the water outlet and the instrument opening are all communicated with the operation channel, the inner side of the inclined endoscope body is provided with a cavity, and an inner wiring board is installed in the cavity. An illumination light source and an electronic camera are installed on the inner wiring board, the observation channel and the illumination optical fiber are both communicated with the cavity, one end of the cavity is communicated with the mirror body, a waterproof block is installed at the other end of the cavity, and the waterproof block is detachably connected with the cavity. The novel ureteroscope has the advantages that the structural compactness of the ureteroscope is improved, and space is saved; the waterproof effect of the inclined mirror body is improved; the sealing performance is improved; and maintenance and repair are convenient.

The present invention discloses a binocular ureteroscope and a manufacturing method thereof, wherein the binocular ureteroscope comprises: an operating handle, a mirror body and two camera devices, wherein the mirror body comprises a working end and an operating end, the operating end is connected to the operating handle, the mirror body has a discharge channel, the discharge channel is used to deliver auxiliary guide components and discharge debris, the working end has a third outlet, the third outlet is connected to the discharge channel; the two camera devices are arranged at the working end.

The invention discloses a flexible ureteroscope sheath suite which is used for a flexible ureteroscope, and the flexible ureteroscope sheath suite is used for inserting a hard ureteroscope tube into an equipment channel, and fixing a sheath core connecting piece and an outer sheath connecting piece; the flexible endoscope body is inserted into the endoscope body channel, and the sheath core fixing piece is fixed to the front end of a handle of the flexible ureteroscope; placing the flexible ureteroscope sheath kit and a hard ureteroscope assembled by the flexible ureteroscope into the ureter; and the sheath core connecting piece and the outer sheath connecting piece are disconnected, and the sheath core and the flexible ureteroscope are withdrawn. The one-step sheath placement can be realized, the operation efficiency is greatly improved, the function of actively expanding the ureter is achieved, the sheath placement resistance is reduced, the sheath placement success rate is further improved, the soft and hard combined sheath is utilized, the tube cavity cannot deform after being extruded, the soft lens can coaxially rotate in the sheath tube cavity, and the target position can be more easily and accurately found.

An irrigation device is integrated into a ureteroscope housing. The surgeon can increase flow of irrigation fluid by squeezing a compressible chamber of the irrigation device with the same hand used to hold the ureteroscope housing. A standard fluid bag and tubing can deliver irrigation fluid to the irrigation device.

The invention provides a control device for a flexible ureteroscope robot and a flexible ureteroscope operation system. The control device comprises a first operation part which comprises a rotating part and enables the rotating part to rotate through operation so as to obtain a first rotating angle; the second operation part comprises a rolling piece, the rolling piece rotates around a first central axis of the rolling piece through operation to obtain a second rotation angle, and the rolling piece rotates around a second central axis with the extending direction different from that of the first central axis through operation to obtain a third rotation angle; and the control part is used for controlling the flexible ureteroscope of the flexible ureteroscope robot to move relative to the patient along a second direction based on the first rotation angle, controlling the flexible ureteroscope to rotate around an axis parallel to the second direction based on the second rotation angle, and controlling the flexible ureteroscope to bend based on the third rotation angle.

The utility model discloses an anti-reflux water sealing cap for a ureter endoscope, which comprises a water sealing cap body, the water sealing cap body consists of a straight cavity, a conical cavity and a connecting cap, the bottom end of the straight cavity is fixedly connected with the conical cavity, the inside of the conical cavity is communicated with the inside of the straight cavity, and the outer side of the straight cavity is fixedly connected with the connecting cap. According to the ureter endoscope, the connecting cap on the outer side of the straight cavity is in threaded connection with the outside of the ureter endoscope, water prevention and leakage prevention are achieved preliminarily through the silica gel sealing strip, and surgical instruments enter the straight cavity through the first cross-shaped incision in the conical opening and rapidly enter the conical cavity through the conical auxiliary groove and the through hole; the ureter endoscope and the anti-reflux water sealing cap can be quickly assembled, the operation efficiency is improved, the water sealing cap is prevented from loosening or the incision is prevented from expanding under the action of the silica gel plug and the silica gel waterproof plate, the service life of the water sealing cap is prolonged, and the ureter endoscope can be quickly assembled. And leakage and backflow are reduced.

The utility model discloses a plugging device for a flexible ureteroscope, and belongs to the technical field of medical equipment. Comprising a guide wire, a catheter and a water conveying pipe, the guide wire is sleeved with the catheter, and the catheter comprises a sleeving section and an expansion section; the sleeving section comprises a guiding section and a connecting section, the expansion section is located between the guiding section and the connecting section, and the expansion section is an expansion water bag; the water conveying pipe is used for conveying liquid media, one end of the water conveying pipe is connected to the outer side of the connecting section in a sleeving mode, and the connecting section is located between the guide wire and the water conveying pipe. And the liquid medium enters or flows out of the expansion water bag through the water conveying pipe and the gap of the connecting section, so that the expansion water bag is expanded or shrunk. According to the scheme, the diameter of the guide wire can be set to be thinner, so that the diameter of the whole pipeline of the plugging device is smaller, and the plugging device used by the flexible ureteroscope can be used for flexible ureteroscope operations.

The present disclosure teaches determining kidney stone size based on calibration data generated from an endoscopic imager. During a lithotripsy procedure, an image is received by a deployed endoscopic probe. Based on the received imaging data, the generated calibration data, and known characteristics of the endoscope probe, one or more kidney stones in the image are identified and sized. And displaying the determined size value together with the kidney stone image.

The present application relates to a kind of multi-degree-of-freedom fixed support device for ureter flexible mirror, belong to medical instrument technical field.The device includes adjusting support and support unit.Adjusting support is used to be fixed to operating bed and provide multi-degree-of-freedom pose adjustment.Support unit includes parallelogram support and the guiding clamping cylinder connected at its two ends.Core improvement is that: the inner wall of guiding clamping cylinder is equipped with sealed elastic thin liquid bag, bag is filled with viscous liquid, bag inner wall is equipped with long nose and short nose of internal cavity communication, form continuous fluid chamber, realize the adaptive, low damage distributed support and dynamic damping of mirror body.Viscous liquid is preferably electrorheological fluid, by control circuit adjustment electric field intensity, can realize the stepless switching from flexible damping to rigid lock of clamping state.The present application effectively solves the technical problems, such as the clamping stability and mirror protection of existing support device difficult to consider, unable to effectively inhibit micro-motion and feeding operation inconvenience.

A ureteroscope or endoscope in which a reusable portion is inserted into a pistol-grip handle of a single-use portion and a resilient cap covers the reusable portion and a hollow end of the handle. A hub assembly and cannula of the single-use portion can be rotated either under power or manually, and a tip portion of the cannula can be deflected manually or under power in a deflection plane. One or more ports can be attached to the hub assembly communicate with one or more lumen in the cannula. The ports are aligned in a luer plane that may be in-line with the deflection plane or at an angle relative to the deflection plane. A remote display connects to the ureteroscope or endoscope wirelessly or through a cable. A display shows the current relative orientation of an image sensor and a working channel and the current direction of view of the image sensor relative to the patient.

This invention discloses a method, device, and storage medium for preventing accidental injury during laser surgery for urinary tract stones based on a visual AI model. The method includes: acquiring and preprocessing a video stream captured in real-time by a monocular ureteroscope; inputting the image to be identified into a multi-task neural network model, simultaneously outputting a laser point detection box, a mucosal region segmentation mask, and a monocular depth map; determining the coordinates of the laser point center pixel based on the detection box, determining the coordinates of the nearest mucosal edge pixel based on the segmentation mask, and obtaining the corresponding first and second depth values ​​from the depth map; inputting the coordinates, depth values, and intrinsic parameter matrix into a three-dimensional distance calculation model, reconstructing the three-dimensional spatial point coordinates based on the pinhole imaging formula, and calculating the actual physical distance; comparing the actual physical distance with dynamically adjusted safety and warning thresholds, and determining the risk level through fuzzy logic; generating control commands based on the risk level and sending them to the laser host to achieve graded early warning, power adjustment, or emergency interruption.