982results about "Urethroscopes" patented technology

A system includes a uterine manipulator having a shaft. The uterine manipulator is coupled with the robotic arm. An imaging instrument is operable to provide an image of an exterior of the uterus of the patient. A console includes a display screen and is configured to provide a view from the imaging instrument of the exterior of the uterus of the patient, on the display screen. The console is further configured to provide an indicator on the view from the imaging instrument, on the display screen, the indicator indicating a location of a predefined anatomical structure, the indicator being provided as an overlay on the predefined anatomical structure.

The invention relates to an insertion structure and an endoscope. The insertion structure comprises a suction channel and an instrument channel, and the suction channel comprises an inclined section. The inclined section is designed to deviate to the instrument channel and intersect with the instrument channel, so that the working instrument penetrating out of the instrument channel can directly extend into the inclined section of the suction channel, the working instrument can directly extend out of the suction opening of the suction channel without being greatly bent, and then the bending amplitude of the working instrument is reduced; the risk of clamping stagnation of the working apparatus is reduced, the risk of breaking of the working apparatus caused by too large bending amplitude can be reduced, the use reliability of the working apparatus is improved, and the service life of the working apparatus is prolonged. Taking the insertion structure applied to the flexible ureteroscope as an example, the structure not only improves the stone breaking and stone removing efficiency, but also plays a role in preventing blockage.

Kidney stone removal system is disclosed having components including a handle mechanism, a nozzle tip, and a guiding device. The handle mechanism employs a trigger that enables control of irrigation and vacuum / suction. Depression of a trigger in the trigger mechanism conveys status of vacuum / suction and irrigation to a user by providing increased resistance at different points of depression. When the trigger is in a home (undepressed) position, irrigation and vacuum / suction are turned off. When the trigger is in a fully depressed position, irrigation and vacuum / suction are turned on. When the trigger is in an intermediate position, irrigation may be turned on, while vacuum / suction remains turned off. The nozzle includes one or more irrigation ports positioned at a distal end of the nozzle and having an irrigation port departure angle of 30 to 60 degrees for directing irrigation fluid forward and laterally from the distal end of the nozzle. The guiding device is configured to be removably positioned in the nozzle for receiving a debris fragmentizing device, such as a laser device. The guiding device is configured to prevent an unintended movement of the fragmentizing device when the fragmentizing device is positioned in the nozzle while allowing fluid and debris to flow past the fragmentizing device and through a vacuum tube.

The negative pressure flexible ureteroscope sheath with the front end actively bent and telescopic comprises a sheath tube body, an operation channel is formed in the sheath tube body, an operation channel connector is fixed to the rear end of the sheath tube body, and a negative pressure suction connector communicated with the operation channel is fixed to one side of the rear end of the sheath tube body; the sheathing canal body is integrally formed by a telescopic bending section and a straight pipe section, pneumatic telescopic bending adjusting mechanisms are arranged on the upper side, the lower side, the left side and the right side of the telescopic bending section, and a pneumatic telescopic bending control mechanism is arranged at the rear end of the sheathing canal body. The front end of the flexible ureteroscope sheath can be telescopically adjusted and can be bent in multiple directions, the sheath tube can be telescopically adjusted at the rear end and is extremely easy and convenient to operate and adjust, and the sheath tube can increase the trafficability of calculi at the upper section of the ureter and prevent the ureter from being damaged.

A ureteroscope system including a handpiece, a catheter, and a control system is described. The handpiece having a proximal end region, a distal end region opposite to the proximal end region, and an interior region. The catheter extends from the distal end region of the handpiece, and includes an active bend portion distal to the handpiece. The control system includes a sensor positioned in the interior region of the handpiece and configured to detect movement of the handpiece. The control system includes a motor positioned in the interior region of the handpiece and operably coupled to the sensor effective to activate the motor when the sensor detects movement of the handpiece. The ureteroscope system includes one or more wires secured to the active bend portion of the catheter and adjustable responsive to activation of the motor effective to at least partially bend the active bend portion of the catheter.

Kidney stone removal system is disclosed having components including a handle mechanism, a nozzle tip, and a guiding device. The handle mechanism employs a trigger that enables control of irrigation and vacuum / suction. Depression of a trigger in the trigger mechanism conveys status of vacuum / suction and irrigation to a user by providing increased resistance at different points of depression. When the trigger is in a home (undepressed) position, irrigation and vacuum / suction are turned off. When the trigger is in a fully depressed position, irrigation and vacuum / suction are turned on. When the trigger is in an intermediate position, irrigation may be turned on, while vacuum / suction remains turned off. The nozzle includes one or more irrigation ports positioned at a distal end of the nozzle and having an irrigation port departure angle of 30 to 60 degrees for directing irrigation fluid forward and laterally from the distal end of the nozzle. The guiding device is configured to be removably positioned in the nozzle for receiving a debris fragmentizing device, such as a laser device. The guiding device is configured to prevent an unintended movement of the fragmentizing device when the fragmentizing device is positioned in the nozzle while allowing fluid and debris to flow past the fragmentizing device and through a vacuum tube.

A female insertion system is provided. The system includes a conformable insert shaped for insertion into one or more structures of a female human that are associated with at least one of reproduction and one or more erogenous zones; one or more sensors, at least one of the sensors included in the insert, and configured to measure and to relay data, wherein the data is acquired on one of a one-time basis and a multiple-time basis included one of a non-continuous period, a continuous period, and an intermittent temporal period; and a processor configured to: control the insert; generate a treatment for one of the structures of the female human; store the data; and based on the data, automatically affect one or more of the structures via the insert.

The invention discloses a sealing structure, a negative pressure suction sheath and an endoscope assembly, and belongs to the technical field of medical instruments. The sealing structure is used for the negative pressure suction sheath and comprises a first cover body detachably connected with the near end of a sheath base of the negative pressure suction sheath, a first through hole is formed in the middle of the first cover body, and a first air hole is formed in the radial outer side of the first through hole; the second cover body is arranged on the outer side of the first cover body in a sleeving mode and detachably connected with a sheath base of the negative pressure suction sheath, a second through hole is formed in the middle of the second cover body, and a second air hole is formed in the radial outer side of the second through hole; the second cover body and the first cover body are in sliding fit, and the overlapping opening degree of the first air hole and the second air hole is adjusted through relative sliding; the second cover body axially limits the first cover body and provides support when the endoscope is inserted, so that the first cover body is prevented from collapsing. The sealing structure is used for the negative-pressure suction sheath, the branch switch is prevented from additionally occupying the operation space, and the operation safety is improved.

The utility model provides a guiding device and dilator for improving pressure measurement accuracy, the guiding device comprises a pressure measurement sheath, the pressure measurement sheath comprises a handle and a sheath tube, the size and shape of the sheath tube are suitable for entering a target area in a body through a body lumen, the sheath tube longitudinally extends from a near end to a far end, the sheath tube defines a first lumen suitable for entering of an external instrument, and the first lumen is communicated with the handle. A pressure measuring tube cavity longitudinally extending from the near end to the far end is formed in the tube wall of the sheath tube, a pressure measuring opening used for sensing the pressure of liquid in the body is formed in the far side of the pressure measuring tube cavity, and the dilator is arranged in the first tube cavity in a supporting and penetrating mode so that the pressure measuring sheath can enter the body conveniently. And the dilator is provided with a blocking part for limiting foreign matters from entering the pressure measuring tube cavity through the pressure measuring port.

According to the anti-blocking adsorption laser operation endoscope and the method, the anti-blocking adsorption laser operation endoscope is installed at the position far away from an endoscope body and an adsorption opening through an adsorption switch, or the adsorption opening is a plane or a curved surface and comprises a structure of at least two open holes and matched size design. Or an ultrasonic device and an installation mode of the ultrasonic device are adopted, so that the probability that the broken stones block the suction channel is greatly reduced, and blockage is prevented, and meanwhile, the stones are continuously reset at the position of the suction port through a method that the suction switch repeatedly and continuously connects and disconnects the suction port and the suction source; therefore, the continuous laser lithotripsy performance during the operation is kept; through the program control of the suction switch of the anti-blocking adsorption laser operation endoscope, the working intensity of an operation doctor during the operation for controlling an instrument is reduced, so that the operation is more convenient and simpler; through the design of the quick-connection type connector of the anti-blocking broken stone adsorption laser operation endoscope component, instrument sterilization is more convenient, function expansion is more flexible, or independent production is arranged; the invention relates to a method for treating human and animal focuses, especially calculi, by using an anti-clogging laser surgery endoscope catheter.

The utility model relates to a ureter guiding sheath and a ureter pyeloscope system, the guiding sheath comprises a sheath tube, and the sheath tube is provided with an inner cavity along the axial direction; the sheath tube comprises a first section and a second section in the axial direction, the maximum outer diameter of the first section is smaller than the minimum outer diameter of the second section, and the maximum diameter of an inner cavity of the first section is smaller than the minimum diameter of an inner cavity of the second section. The upper urinary tract of a human body comprises a ureter and a kidney, the outer diameter of the ureter of an adult is usually 3-6 mm, the lower urinary tract of the human body comprises a urethra and a bladder, and the outer diameter of the urethra of the adult is usually 7-15 mm. The first section of the sheathing canal is located on the side, opposite to the second section, of the far end of the sheathing canal, during operation, the first section enters the urine feeding section with a smaller cavity, and the second section only enters the urine discharging section. According to the two-section type structure, it is only needed to ensure that the first section meets the requirement of the upper urinary tract, the second section is relatively flexible in arrangement and is not limited by the size of the ureter any more, and therefore the same specification can adapt to more patients, and the universality of the product is improved.

A system to treat a patient comprises a user interface that allows a physician to view an image of tissue to be treated in order to develop a treatment plan to resect tissue with a predefined removal profile. The image may comprise a plurality of images, and the planned treatment is shown on the images. The treatment probe may comprise an anchor, and the image shown on the screen may have a reference image marker shown on the screen corresponding to the anchor. The planned tissue removal profile can be displayed and scaled to the image of the target tissue of an organ such as the prostate, and the physician can adjust the treatment profile based on the scaled images to provide a treatment profile in three dimensions. The images shown on the display may comprise segmented images of the patient with treatment plan overlaid on the images.

The endoscope system comprises the sheathing canal, one end of the sheathing canal is connected with a handle, the other end of the sheathing canal is slidably connected with a head end fixing ring, and a flexible channel is connected between the head end fixing ring and the sheathing canal; an endoscope channel and a suction channel are arranged in the sheath tube, the endoscope channel and the sheath tube are eccentrically arranged, the suction channel has a crescent outline, and the front end of the endoscope is arranged in the endoscope channel in a penetrating manner; the head end fixing ring comprises an inner ring and an outer ring, the outer wall of one side of the inner ring is tangent to the inner wall of the outer ring, a crescent channel is formed between the outer wall of the other side of the inner ring and the inner wall of the outer ring, and the inner ring sleeves the periphery of the endoscope and can axially move along the endoscope; the two ends of the flexible channel are fixedly connected with the crescent channel and the suction channel respectively, in the initial state, the flexible channel is folded in the suction channel, and the head end fixing ring moves away from the far end of the sheathing canal to enable the flexible channel to be unfolded into a tubular working channel. On the basis that the size of the head end of the endoscope is not changed, a stable and larger suction channel is provided, and discharging of large stones is facilitated.

The invention relates to the technical field of intelligent urethral surgical instruments, and particularly discloses a urethral dilation path planning system integrating visual SLAM and force perception, which synchronously acquires image data of the internal environment of the urethra and contact force data between the instrument and tissues through an image sensor and a force sensing unit integrated at the front end of the dilation instrument; constructing a three-dimensional environment model in the urethra by utilizing a visual SLAM technology, and positioning the position of an instrument in real time; the force data and the three-dimensional model are fused to generate a dynamic force distribution diagram, and a safe expansion path is planned based on the distribution diagram and the current position of the instrument; dynamically adjusting the advancing direction and the expansion force of the instrument through a closed-loop control system to enable the instrument to move along a planned path; meanwhile, path deviation and force abnormity are detected in real time through a monitoring mechanism, and model updating and path re-planning are triggered.

The utility model discloses an extracting piece, an operating mechanism and an endoscope, and relates to the technical field of medical instruments. The extracting piece is integrated on the endoscope and comprises a sleeve rope, a sleeve ring is formed at the far end of the sleeve rope, the sleeve rope at least has a first state, a second state and a third state, when the sleeve rope is in the first state, the sleeve rope is contained in an insertion part of the endoscope, and the far end of the sleeve rope is located in the far end area of the insertion part; when the sleeve rope is in the second state, the sleeve rope extends out of the end face of the insertion part, and the sleeve ring is released and located at the far end of the insertion part; when the sleeve rope is in the third state, the sleeve ring is sleeved with the target object, and the size of the sleeve ring in the third state is smaller than that of the sleeve rope in the second state. When the extracting piece is used for extracting the target object, the extracting piece can improve the extracting efficiency of the target object from two aspects of simplifying the insertion process and reducing the stroke of the extracting piece.

The negative pressure suction sheath comprises a sheath tube, a negative pressure connector and an expander, the negative pressure connector comprises a main channel cavity and a negative pressure suction channel cavity located on one side of the main channel cavity, the near end of the sheath tube is connected with the far end of the main channel cavity, and the expander is inserted from the near end of the main channel cavity and extends out of the far end of the sheath tube. The main channel cavity is detachably connected with the main channel cavity; a side channel opening is formed in one side of the main channel cavity, and the negative pressure suction channel cavity communicates with the side channel opening. The cavity wall of the main channel cavity is further provided with a pressure adjusting opening, the pressure adjusting opening corresponds to the side channel opening or is located at the end, away from the sheathing canal, of the side channel opening, the negative pressure in the sheathing canal can be adjusted by adjusting the opening size of the pressure adjusting opening, and therefore an operator does not need to leave to adjust the negative pressure device to adjust the suction force in the sheathing canal. The negative pressure in the sheathing canal can be adjusted only by adjusting the size of the pressure adjusting opening in the handheld negative pressure connector.

The invention relates to a ureteral access sheath (10) for insertion in the ureter (56) of a human or animal patient, wherein the access sheath (10) has, at a proximal end, an introduction portion (16) for a medical instrument and has an elongate portion (18) which extends from the proximal introduction portion (16) to a distal end (12) of the access sheath (10), wherein the elongate portion (18) comprises, over at least substantially the length of the elongate portion (18), at least one lumen (20) for guiding through the medical instrument. According to the invention, at least in some regions along the elongate portion (18), an elastically deformable cover element (22) is arranged on an outer wall of the lumen (20), wherein the cover element (22) can be deformed between a basic position, in which the cover element (22) rests against the outer wall of the lumen (20), and a guide-wire position, in which the cover element (22) is moved away from the outer wall of the lumen (20) by a guide wire (24) and forms a guide channel (26) for the guide wire (24).

The invention provides a sheath-free seminal vesicle endoscope, a visual expansion seminal vesicle endoscope assembly, a visual expansion sheath and an expansion method, which are suitable for entering a seminal vesicle along an ejaculatory duct to execute corresponding operations and comprise an endoscope main body, an imaging element and a lighting element, the endoscope body comprises an endoscope tube wall, a working channel and a suction and discharge channel, the working channel and the suction and discharge channel are separated by the endoscope tube wall, and the working channel and the suction and discharge channel are longitudinally and independently arranged on the endoscope body so as to independently conduct perfusion, suction and discharge and instrument operation. The imaging element and the lighting element are installed at the front end of the endoscope body, the lighting element provides a light source for the imaging element so that the view field of the front end of the endoscope body can be clearly presented, and the sheath-free seminal vesicle endoscope can enter an ejaculation tube under the visual condition and execute corresponding operation in a seminal vesicle under the visual condition.

A tele-endoscopy system and method enable low-cost hand-held endoscopes to be used both (i) when linked so that a local endoscope controls a remote endoscope and (ii) individually so that a remote endoscope can carry out or continue a procedure even if the link to the remote endoscope degrades or there is no link. The system fills a gap between expensive telesurgery that critically depend on a high quality communication link and individually used endoscopes and is particularly intuitive and user-friendly.

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

Disclosed herein is a transurethral resection device. The device comprising: a housing defining a channel, the channel extending along an axial direction; a grasper assembly disposed in the channel, the grasper assembly being movable relative to the channel along the axial direction, the grasper assembly including: a grasper; a first elongated body; and a first continuum joint coupled between the first elongated body and the grasper; and a cutter assembly disposed in the channel, the cutter assembly being movable relative to the channel along the axial direction, the cutter assembly including: a cutter; a second elongated body; and a second continuum joint coupled between the second elongated body and the cutter, the second continuum joint being actuatable to displace the cutter in relative to the second elongated body, wherein the first continuum joint and the second continuum joint are actuatable independently of one another.

The invention relates to the technical field of medical instruments, and discloses a flexible ureteroscope sheath device and a pressure control method thereof.The flexible ureteroscope sheath device is characterized in that one end of a connector tube seat is connected with a sheath tube, the other end of the connector tube seat is provided with three connectors, the first connector is connected with a pressure relief device and a control device, the second connector is used for a flexible ureteroscope and perfusion, and the third connector is used for negative pressure suction; a central channel is arranged in the sheathing canal, and passage type pressure measuring sensors are axially and uniformly arranged around the channel; the control device comprises an adjusting key, a digital display, an indicating lamp and a buzzer, and is electrically connected with the pressure measuring sensor and the pressure relief device; the control device comprises an automatic pressure relief module which is used for collecting analog voltage signals and converting the analog voltage signals into pressure data values, and when a detection value reaches a set threshold value, the electric control pressure relief device automatically relieves pressure. According to the invention, real-time and continuous detection and control of the pressure in the cavity are realized.

Various embodiments disclosed relate to urological fluid management systems and methods. A system may receive a measured inflow pressure of fluid flow through the inflow pathway. A system may determine a calculated inflow pressure based on a target inflow rate of fluid through the inflow pathway. A system may compare the calculated inflow pressure with the measured inflow pressure. If the measured inflow pressure exceeds the calculated inflow pressure, the system may automatically adjust a bypass flow control valve. The bypass control valve may be between the inflow pathway and the outflow pathway. The bypass control valve may be between the inflow pathway and a waste pathway.

The present invention discloses a sheath placement device and a method for using the same. The sheath placement device includes an inner layer member having an operating handle and an insertion portion connected to the operating handle, the insertion portion having an imaging portion; an outer sheath having a drainage port and a distal open end; the insertion portion operatively inserted into the outer sheath and at least partially operatively extended from the distal open end; and a first passageway operatively spaced apart from the outer sheath to form a connection between the drainage port and the distal open end; and a middle layer member operatively inserted between the outer sheath and the insertion portion and at least partially operatively extended from the distal open end; when the middle layer member is withdrawn from between the inner layer member and the outer sheath, a first passageway is formed between the inner layer member and the outer sheath. Compared to existing technologies, this system is easy to use and can simplify surgical procedures while reducing surgical costs, lowering surgical risks, and alleviating patient pain.

A system includes a speculum device, an adapter, and a sheath. The device includes a sight glass cap and a shaft extending longitudinally from a proximal end to a distal end. The shaft includes a working passage. The cap is coupled to the distal end such that the inlet opening of the cap communicates with and is aligned with the passageway. The adapter has a generally tubular body mountable on the cap such that a distal chamber defined via the adapter and the cap opens into and communicates with the opening of the cap such that when negative pressure is applied through the passageway, a suction force is applied through the distal chamber to attract calculi from the region into or against the chamber. The sheath delivers fluid to the region via a space extending between an interior of the sheath and an exterior of the shaft.

The visual balloon type urethral dilation device comprises a urethral endoscope and a balloon dilator arranged in the urethral endoscope in a penetrating mode, and the urethral endoscope and the balloon dilator are matched with the urethra of the human body. The observation field of view of the urethra endoscope covers the dilation balloon of the balloon dilator, and visual dilation of the dilation balloon is achieved. The balloon dilator is provided with an independently-controlled fixing balloon, the fixing balloon and a balloon-shaped cavity in the urethra endoscope probe form a detachable fixing structure, the balloon dilator can penetrate through a middle shaft of the probe to move axially when fixing is removed, and the guiding function of the probe is achieved. The balloon dilator can be used in a disposable mode, and cross infection is prevented. And the probe is provided with a panoramic camera and a light supplementing lamp which are symmetrical, so that the visualization precision is improved. The urethra dilatation operation accuracy, safety and diagnosis and treatment efficiency are greatly improved from the aspects of high visualization, dilatation precision adjustment and the like.

Systems and methods of in situ pressure control at an anatomical environment during a procedure are disclosed. An exemplary irrigation and suction system comprises a user input configured to receive from a user a desired pressure to be applied to the anatomical environment, or a desired flow condition corresponding to the desired pressure. The system comprises a pressure sensor to sense a pressure at or near the anatomical environment, and a control module to adjust one or more of an irrigation flow rate or a suction flow rate of at least one working channel of a medical device to maintain the pressure of the anatomical environment at substantially a level of the desired pressure, or to maintain the desired flow condition in the working channel during the procedure.

A system to treat a patient comprises a user interface that allows a physician to view an image of tissue to be treated in order to develop a treatment plan to resect tissue with a predefined removal profile. The image may comprise a plurality of images, and the planned treatment is shown on the images. The treatment probe may comprise an anchor, and the image shown on the screen may have a reference image marker shown on the screen corresponding to the anchor. The planned tissue removal profile can be displayed and scaled to the image of the target tissue of an organ such as the prostate, and the physician can adjust the treatment profile based on the scaled images to provide a treatment profile in three dimensions. The images shown on the display may comprise segmented images of the patient with treatment plan overlaid on the images.

The invention belongs to the technical field of medical instruments, and provides a resectoscope which comprises an outer sheath tube and an inner sheath tube which are arranged in a sleeving mode. The guiding assembly is movably arranged in the inner sheath tube in a penetrating mode, and a flexible continuous body is arranged at the far end of the guiding assembly; the electric cutting ring assembly is detachably arranged at the far end of the flexible continuous body; the lens assembly is arranged at the far end of the flexible continuous body and is exposed out of the electric cutting ring assembly; the handle assembly comprises a holding part and a connecting part which are rotationally connected with each other, the far end of the connecting part is connected with the near end of the guiding assembly, and the holding part is connected with the flexible continuum through a traction structure. The degree of freedom between the holding part and the connecting part is controlled through external force, so that the traction structure is driven to pull the flexible continuum to be bent, the posture change of the flexible continuum far-end electric cutting ring assembly and the posture change of the lens assembly are achieved, the visual area and the operable area in surgical operation are increased, and the surgical difficulty is reduced.

The invention discloses an insertion part and an endoscope, and relates to the technical field of medical instruments. The insert includes a first tubular structure and a plurality of segments. The multiple sections are arranged on the first pipe structure at intervals in the extending direction of the first pipe structure, and every two adjacent sections can relatively rotate with the first pipe structure between the two adjacent sections as a support, so that the insertion part is bent. The first pipe structure sequentially penetrates through the sections, and the far end of the first pipe structure is communicated with the external space of the insertion part. The insertion part realizes the sharing of a rotating structure for bending the insertion part and a medium conveying channel. The compactness of each structure in the insertion part can be improved, and the size of the insertion part can be reduced.