31 results about "Flexible ureteroscopy" patented technology

The invention discloses an electronic flexible ureteroscope with a real-time pressure monitoring function, and belongs to the field of endoscopic medical instruments. The electronic flexible ureteroscope comprises a lens tube and an operation part connected with the lens tube, wherein the lens tube comprises a tip portion arranged at the end of the lens tube, the tip portion is provided with a camera module, a first channel and a second channel communicating with the tip portion are arranged in the lens tube, an illumination beam is inserted in the first channel, and a fiber optic pressure sensor used for monitoring the pressure in the working area where the tip portion is located is mounted in the second channel. The invention further discloses an operation method of the electronic flexible ureteroscope with the real-time pressure monitoring function. According to the method, the pressure in the working area is regulated in real time through automatic control and / or manual control. The electronic flexible ureteroscope with the real-time pressure monitoring function and the operation method thereof have the advantages that pressure change in the working area of the flexible ureteroscope can be monitored accurately in real time, and the pressure in the working area can be adjusted in time so as to improve the safety and success rate of surgery.

The invention discloses a minimally-invasive interventional operation robot for the urinary surgery. A flexible ureteroscope lifting module comprises a lifting table and a linear module fixing rack, the lifting table can adjust the height of a flexible ureteroscope and a sickbed, and the fixing rack is connected with the lifting table and a linear module; a flexible ureteroscope pushing module comprises a pushing mechanism and a flexible ureteroscope supporting mechanism, and can be used for pushing the flexile ureteroscope, and the supporting mechanism is used for providing a flexible part supporting force for the flexible ureteroscope; a flexible ureteroscope rotating module comprises a rotating shaft and a gear and drives the rotating shaft to rotate through rotation of a motor; a flexible ureteroscope bending module comprises flexible ureteroscope fixing support, a flexible ureteroscope carrying platform and a U-type knob which is matched with a flexible ureteroscope bending knob,and the flexible ureteroscope bending knob rotates along with rotation of the U-type knob. The minimally-invasive interventional operation robot can help a doctor to operate the flexible ureteroscopecorrespondingly during the surgery, relieve fatigue caused by the long-time surgery of the doctor, increase the speed of the surgery, and collect force data of flexible ureteroscope motion during thesurgery.

The invention discloses an intelligent lithotripsy system which is used in laser lithotripsy operation. The intelligent lithotripsy system consists of a laser lithotripsy machine, a flexible ureteroscope system, a display, a perfusion system and a main machine, wherein the laser fiber of the laser lithotripsy machine is capable of being fed into a human body through a working channel of a flexibleureteroscope; and the main machine receives an intracorporeal focus environment detected by the tip end of the flexible ureteroscope and judges the size of urinary stone and the distance between thetip end of the laser fiber and the urinary stone through an image recognition technique and a distance sensor mounted in the flexible ureteroscope. By adopting the intelligent lithotripsy system, whether a laser generator can be powered on or not can be judged according to a preset safe distance table, in addition, images can be automatically recognized through big data and artificial intelligence, situations of the urinary stone can be judged according to the images together with environment information such as temperatures, and suggestions about optimal laser pulse energy and laser pulse time can be provided for doctors.

The invention relates to the technical field of medical apparatus and instruments, and particularly discloses an electronic flexible ureteroscope, a system and a using method. The electronic flexibleureteroscope comprises a flexible ureteroscope body in a hose shape and a lens bracket arranged at the front end of the flexible ureteroscope body, wherein a lens is arranged in the lens bracket, an energy output channel is formed in the flexible ureteroscope body, an energy output part can be arranged in the energy output channel, a hydraulic pressure detection channel is arranged in the flexibleureteroscope body, the front end of the hydraulic pressure detection channel extends to the front end surface of the lens bracket, and a hydraulic pressure sensor is fixed in the hydraulic pressure detection channel. The system comprises a handle, an electronic endoscopy image processor, an energy instrument, a temperature measuring instrument, a pressure measuring instrument and an endoscope irrigation system. According to the using method, when pressure intensity, detected by the hydraulic pressure sensor, in a cavity is larger than a limiting value, alarm can be sent out, a user is reminded to change energy output of the energy instrument, and the conditions that urosepsis is caused and even the patient's life is endangered due to the fact that fluid flows reversely and substances containing bacteria, toxins and pyrogen are brought into blood under too high hydraulic pressure are avoided.

The invention discloses a flexible ureteroscope leading-in sheath with an adjustable tube diameter and capable of displaying the tube diameter. The flexible ureteroscope leading-in sheath comprises acatheter body with a tube cavity, the catheter body is arranged to be an arc-shaped piece with a first opening edge and a second opening edge, and an overlapping area is formed between the first opening edge and the second opening edge; the first end of the catheter body is provided with an adjusting assembly used for controlling the inner diameter of a catheter cavity of the catheter body, and the adjusting assembly is connected with the catheter body. The adjusting assembly comprises a first arc-shaped operating rod arranged at the first end of the arc-shaped piece and a rotating wheel arranged at the first end of the first arc-shaped operating rod. Medical staff operate the rotating wheel clockwise or anticlockwise to achieve the purpose that the pipe diameter of the catheter body is increased or decreased according to actual use requirements.

The invention relates to the technical field of medical surgical instruments, in particular to a flexible ureteroscope. The flexible ureteroscope comprises an operating handle, a shifting piece for controlling the bending direction and angle of the flexible ureteroscope is arranged on the operating handle, the shifting piece is rotatably connected to the operating handle, an angle indicating device is arranged on the operating handle, and the angle indicating device is positioned on one side of the shifting piece. The angle indicating device is arranged on the operating handle, the shifting piece is adjusted to enable a pointer to correspond to different numerical values on the angle indicating device, the bending state of the in-vivo flexible ureteroscope can be obtained according to data of the in-vitro flexible ureteroscope, so that operation and learning of the flexible ureteroscope are executed according to data and quantitative standards, the convenience in the operation process is improved, the operation difficulty is reduced, and a learning curve of the flexible ureteroscope operation is shortened.

The invention discloses a pair of biopsy forceps of a flexible ureteroscope. The pair of biopsy forceps comprises a telescopic rod and a handle which movably sleeves outside the telescopic rod in an axial direction, and the telescopic rod is greater than the handle in axial length; a grip is arranged at one end of the handle, and the end of the telescopic rod, at a corresponding side, is provided with a pull ring; an elastic part, by which the grip and the pull ring approach to a tightened state, are assembled between the grip and the pull ring; a metal net bag, which is woven by metal wires, is assembled between the other end of the handle and the telescopic rod at the corresponding side; in-vivo samples can be collected through bending and shrinking of the metal net bag; and furthermore, through high-frequency electricity, in the coordination with the metal net bag, the in-vivo tissue samples can be removed and collected.

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

The invention relates to a ureteral rapid liquid-gas expansion pipeline suite and a using method thereof. The ureteral rapid liquid-gas expansion pipeline suite comprises a first ureteral catheter and a second ureteral catheter. The ureter is pre-expanded through the first ureteral catheter, the first ureteral catheter is not suitable for remaining in the ureter for a long time due to the fact that a pelvis drainage channel is removed from the first ureteral catheter, the problem that the pressure in the kidney of the working side is increased is solved, and therefore the first ureteral catheter is only prepared for short-time expansion and preliminary expansion of the ureter; and after the diameter of the ureter is increased, the second ureteral catheter can be more conveniently placed for long-time expansion, the expansion time is several hours or ten hours or longer, the ureteral expansion effect and safety are greatly improved, the placing success rate of the second ureteral catheter is increased, then the operation success rate of a flexible ureteroscope is increased, the process requirement and price of the flexible ureteroscope are reduced, the performance of the flexible ureteroscope is improved, the diameter of a water flow channel is increased, and the safety and effect of the flexible ureteroscope are rapidly improved.

The invention discloses a water injection device for a flexible ureteroscope, belonging to the technical field of medical instruments. The water injection device for the flexible ureteroscope comprises a medical infusion tee joint, a medical one-way valve, a medical injector and a medical spring, wherein the medical infusion tee joint and the medical infusion one-way valve form a T-shaped anti-reflux combination valve, and the medical injector and the medical spring form a power system with return force. A first port of the T-shaped anti-reflux combination valve is connected with a water filling bag, a second port of the T-shaped anti-reflux combination valve is connected with the flexible ureteroscope, and a third port of the T-shaped anti-reflux combination valve is connected with a syringe port of the medical injector; the medical spring is arranged in a syringe of the medical injector; and one end of the medical spring abuts against the syringe port of the medical injector, and theother end of the medical spring is connected with a piston handle of the medical injector. The water injection device for the flexible ureteroscope can improve the simplicity and convenience of waterinjection operation for the flexible ureteroscope; and while use effect is guaranteed, surgical personnel can be reduced, labor intensity is reduced, working efficiency is improved, manpower is saved, and cost is low.

The invention discloses an electronic flexible ureteroscope, a device, a system and a use method. The flexible ureteroscope comprises a flexible ureteroscope body; a pressure detection channel and / ora temperature detection channel are / is arranged in the flexible ureteroscope body; a pressure transmission part or a pressure sensor is arranged in the pressure detection channel; through indirect useof the pressure transmission part or direct use of the pressure sensor, the pressure of liquid, gas or a gas-liquid mixture of a detected and examined part, an operated part or a treated part to thepressure sensor or a pressure tester; and a temperature sensor is arranged in the temperature detection channel. The device comprises the flexible ureteroscope and a handle. The system comprises the device, an electronic endoscope image processor, the pressure tester and / or a temperature tester, an endoscope washing system and lighting equipment. When the pressure in a cavity is larger than a limit value and / or the temperature detected by the temperature sensor exceeds the standard, an alarm is given, so that accidental injury to the human body due to reverse flow of liquid and / or over-high temperature caused by over-high pressure is avoided.

The invention discloses a portable flexible ureteroscope robot, which relates to the field of master-slave medical endoscope robot systems. After the size and the performance parameter of portable flexible ureteroscope robot remote control equipment are determined, a tripod is customized to serve as a base for supporting a whole robot system. The tripod is foldable and is provided with a level indicator, and the height of the tripod is adjustable. An integral part can be split into independent parts, wherein the sizes of the parts are reasonable, and the weight of the parts does not exceed 25kg. The portable flexible ureteroscope robot can be conveniently placed in a customized aluminum case or suitcase, unordered communication and ineffective communication among specialties except the medicine can be reduced, and the robot is favorable for subsequent mass production and can be carried by a doctor with the flexible ureteroscope.

The invention relates to a noninvasive positioning device for a flexible ureteroscope parapelvic cyst, and discloses a detection device. By using the detection device, a number one detection head is rapidly positioned above a kidney of a patient through identification spotlight, and detection is performed on a waist of the patient through a number two detector to form three-dimensional imaging. Aholding rod is divided into two sections from the middle; one section is a hollow structure, and the other end is a solid structure; one end of a bending rod is arranged in the hollow section of the holding rod; a limiting ring is arranged at one end of the bending rod; a spring is arranged in the middle section of the holding rod; one end of the spring is connected with the holding rod; the otherend of the spring is connected with one end of a bending rod; and the identification spotlight is arranged at the other end of the holding rod, an emitter faces downwards, a connecting block is fixedly arranged at a bottom of the solid section of the holding rod, one end of a number one connecting rod is clamped on the connecting block at the bottom of the holding rod and hinged to the connectingblock through a hinge shaft, and a number one detector is arranged at the other end of the number one connecting rod.

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

The invention belongs to the technical field of urologic surgery, and particularly relates to a urologic surgery operation auxiliary device and a using method thereof. The urologic surgery operation auxiliary device comprises an operation table, and further comprises linear guide rails, a supporting mechanical arm, a supporting device, a fixing device and a disinfecting device, and the outer surfaces of the two linear guide rails are fixedly installed on the two sides of the lower surface of the operation table respectively. According to the urologic surgery auxiliary device and the using method thereof, by arranging the fixing device, medical instruments used by doctors can be fixed, the fatigue feeling of the doctors can be relieved, an used flexible ureteroscope is fixed through an electric clamping jaw, the doctors do not need to hold the flexible ureteroscope with hands, the burden of the doctors is relieved, one end of the flexible ureteroscope passes through a disinfection ring, an ultraviolet disinfection lamp strip in the disinfection ring can disinfect the outer surface of the flexible ureteroscope, the disinfected flexible ureteroscope enters an isolation sleeve to be isolated, adhesion of bacteria and viruses is prevented, and therefore the doctors do not need to bear the gravity of the flexible ureteroscope.

The present invention provides a kind of integrated equipment for medical stone crushing and stone removal, which includes a stone crushing tube for flexible ureteroscopic lithotripsy. The stone crushing tube is also provided with a negative pressure chamber for stone removal. The primary crushing device includes a movable The stone crushing tool I and the grabbing tool are set; the secondary crushing device includes a number of stone crushing tools II evenly distributed on the inner wall of the end of the stone crushing tube, and a control device is installed at the end of the stone crushing tube away from the mouth. The expansion fixture of the expansion distance of the lithotripsy tool II relative to the inner diameter of the stone crushing tube, when the grabbing tool holds the stone against the port of the secondary crushing device, the expansion fixture is in the position where the lithotripsy tool II is located The state of the inner diameter of the stone crushing tube, and the stone crushing tool I is in working state. The present invention improves the efficiency of crushing and discharging stones through the cooperation of the primary crushing device, the secondary crushing device and the negative pressure chamber.

The invention discloses design and synthesis of in-situ gel and application of the in-situ gel in medicines for removing stones and fragments, and belongs to the technical field of medical material methods. According to the in-situ gel provided by the technical scheme of the invention, the in-situ gel can be formed in an ultrafast manner in a neutral environment in vivo, and stones and fragments thereof can be specifically and tightly wrapped; the technical scheme is applied to removal of calculi and fragments thereof, has the advantages of good biocompatibility, degradability, strong operability, specific coating of calculi and fragments thereof and the like, can effectively improve the operation efficiency and the removal rate of calculi and fragments thereof, reduces the number of operations, reduces the recurrence rate of calculi, and has a good application prospect. And the method has application prospects in urinary system intracavity operations such as flexible ureteroscope and the like.

A ureteroscope system includes a handle; an elongated shaft extends from the handle to a distal end and includes a working channel which is opened at the distal end; an external member extends from a proximal end to a distal end and is coupled to the shaft, the member includes a hub and a tube defining a first external channel; and a coupling mechanism defines first and second tubes and is coupled the distal end of the member to the distal end of the shaft. The first tube defines a first lumen and the second tube defines a second lumen which is sized and shaped to receive a distal end of the member. A proximal portion of the first tube is sized and shaped to be inserted into a distal portion of the shaft such that the first lumen is opened to the working channel.

The invention provides a flexible ureteroscope pushing mechanism and a surgical instrument adopting the flexible ureteroscope pushing mechanism. The flexible ureteroscope pushing mechanism comprises afirst pushing assembly, a supporting base, a second pushing assembly and a sliding base, wherein the first pushing assembly comprises a first unthreaded rod group, a first screw rod and a second screw rod, a first end of the first unthreaded rod group is connected with a first unthreaded rod support, and a second end of the first unthreaded rod group is connected with a second unthreaded rod support; a first end of the first screw rod is connected with the first unthreaded rod support, and a second end of the first screw rod is connected with a third unthreaded rod support. The first screw rod is driven by a motor; a first end of the second screw rod is connected with the third unthreaded rod support, and a second end of the second screw rod is connected with the second unthreaded rod support; the first unthreaded rod group and the first screw rod are in embedded connection with the supporting base; the second pushing assembly is connected with a robot installation base; the sliding base is connected with the first pushing assembly and the second pushing assembly. By means of the flexible ureteroscope pushing mechanism, active and passive pushing of a flexible ureteroscope is achieved, the calculus removal time is effectively shortened, and the surgical efficiency is improved.

The invention discloses a recoverable self-expanding flexible ureteroscope sheath, and belongs to the technical field of medical instruments, the recoverable self-expanding flexible ureteroscope sheath comprises a mounting seat, a through hole is formed in the middle position of the mounting seat, reset springs are uniformly fixed on the inner wall of the through hole, sheath wall plates are fixed on the reset springs, the sheath wall plates are attached to each other, and the sheath wall plates are fixed on the mounting seat. And air cavities are formed in the sheath wall plates, and strip-shaped pistons are arranged at the two ends of the interior of each air cavity in a sliding mode. Through the arrangement of the soft endoscope sheath composed of the four sheath wall plates, the air cavities in the sheath wall plates, the strip-shaped pistons and the connecting rods, in the using process, the soft endoscope sheath can be expanded and shrunk by inflating air into the air cavities, the PVC soft endoscope sheath can be bent due to the soft characteristic of the PVC soft endoscope sheath, and it is effectively avoided that in the operation process, the flexible endoscope sheath is not prone to being damaged; and moreover, the burden of a patient and the cost of seeing a doctor are reduced, the practicability is higher, and the use is more convenient.

The invention relates to the technical field of auxiliary flexible ureteroscope perfusion equipment, and discloses flexible ureteroscope perfusion equipment having an air pressure perfusion pump. Theperfusion equipment includes infusion water bags; the infusion water bags are connected to a flexible ureteroscope through an infusion tube; the outer sides of the infusion water bags are wrapped withair pressure bags; and the air pressure bags are connected to an air pump with controllable pressure. Through the adopting of an air pressure perfusion mode, the air pressure bags wrapping the infusion water bags can be adopted as pressurized perfusion media, and the air pump can inflate and pressurize the air pressure bags so as to make the pressure of the infusion water bags increased; and dueto the compressibility of gas, the pressure can be stabilized during perfusion, so that excessive instantaneous pressure can be avoided.

The invention relates to an auxiliary implantation device for a flexible ureteroscope sheath. The auxiliary implantation device comprises a main body tube and a cap-shaped connecting piece, an annular air bag is arranged on the outer side of the main body tube, a first channel is formed in the main body tube, an air bag catheter is arranged in the first channel, and a first connecting part is arranged at the in-vitro end; the cap-shaped connecting piece is provided with a second connecting part; the cap-shaped connecting piece is provided with a through hole into which the soft lens sheath is inserted; the cap-shaped connecting piece is further provided with an inflation connector. The main body tube is arranged, then the main body tube and the cap-shaped connecting piece are connected, the annular air bag is made to fill the ureter, then the soft lens sheath and the soft lens core are arranged into the first channel through the through hole, the air valve is connected to the inflation connector, the first channel and the interior of the ureter are in a sealed state, and then the air valve is used for inflation; and the flexible sheath and the flexible core are continuously placed into the ureter, and finally, the main body tube and the flexible core can be taken out, so that the placement of the flexible sheath can be completed.

The invention discloses a self-cleaning flexible ureteroscope transfer trolley which comprises a trolley body, a storage box and a cover plate, the cover plate covers the upper portion of the storage box, a flexible ureteroscope fixing assembly is arranged in the storage box, and a cleaning structure is arranged at the bottom of the storage box. The soft lens fixing assembly comprises a groove, a through hole, a first fixing block, a second fixing block, a placement groove and a clamping seat, the groove is formed in the position, close to one side, of the bottom of the interior of the storage box, the through hole is formed in the lower surface of the storage box, and the first fixing block and the second fixing block are symmetrically installed in the position, close to the other side, of the bottom of the interior of the storage box; the containing groove is formed between the first fixing block and the second fixing block, and the clamping base is installed on the inner wall of the storage box. According to the self-cleaning type flexible ureteroscope transfer trolley, the convenience and stability of flexible ureteroscope fixing are effectively improved, the circulating cleaning and drying functions are achieved, and the functionality of the transfer trolley is effectively improved.

The invention provides medical calculus crushing and removing integrated equipment. The medical calculus crushing and removing integrated equipment comprises a calculus crushing tube for flexible ureteroscope lithotrity, wherein a negative-pressure chamber for calculus removing is further arranged in the calculus crushing tube, and a primary crushing device comprises a calculus crushing tool I and a gripping tool which are arranged movably; and a secondary crushing device comprises a plurality of calculus crushing tools II which are uniformly distributed on the internal sidewall of the end part of the calculus crushing tube, dilation clamping devices which are used for controlling the calculus crushing tools II to dilate outwards by a distance relative to the inside diameter of the calculus crushing tube are arranged at one end far away from an orifice of the calculus crushing tube, the dilation clamping devices are in a state that the inside diameter of the calculus crushing tube where the calculus crushing tools II are located is dilated when a calculus is clamped by the gripping tool and is abutted against a port of the secondary crushing device, and the calculus crushing tool I is in an operating state. According to the medical calculus crushing and removing integrated equipment, through matching among the primary crushing device, the secondary crushing device and the negative-pressure chamber, the efficiency of calculus crushing and removing is increased.

The invention relates to a pelvis internal pressure monitoring device which comprises a flexible ureteroscope, an operation channel is formed in the flexible ureteroscope, the flexible ureteroscope is used for entering a pelvis from a ureter, a pressure detection lantern ring is arranged on the annular outer side wall of the flexible ureteroscope in a surrounding mode, a pressure measurement channel is formed in the pressure detection lantern ring, and the pressure measurement channel is communicated with the operation channel. A pressure measuring pipeline is arranged in the pressure measuring channel, one end of the pressure measuring pipeline is flush with the pressure measuring channel, the other end of the pressure measuring pipeline extends outwards and is connected with a pressure detector, and a fixing bag is arranged on the annular outer side wall of the pressure detecting lantern ring in a surrounding mode and used for fixing the position of the ureter. In conclusion, according to the technical scheme, the flexible ureteroscope has the advantages that the flexible ureteroscope is consistent with an existing flexible surgical scope and has the functions of illumination, lithotripsy, liquid injection and the like, and the pressure detection ring on the flexible ureteroscope can detect the pressure of the pelvis after the liquid is injected; and then the pressure in the pelvis is further adjusted by adjusting the water injection speed and the water injection amount through the flexible ureteroscope.