65 results about "Flexible ureteroscope" patented technology

The invention discloses a combined rigid ureteroscope which comprises a rigid ureteroscope body and a tubular sheath which is sheathed outside a tubular part of the ureteroscope body, wherein a starting end of the sheath is tightly attached to the tubular part of the ureteroscope body; the rear end of the sheath is equipped with a locking mechanism; a locking part is arranged between the tubular part and an operation part of the ureteroscope body; and the locking mechanism is matched with the locking part so as to lock or loosen the rigid ureteroscope body and the tubular sheath. By adopting the combined rigid ureteroscope,, the locking mechanism between the ureteroscope body and the sheath can be loosened during operations for examination, diagnosis and treatment of ureter and kidney, the rigid ureteroscope body and the sheath can be separated, and the sheath is left in the ureter and utilized as a channel through which broken stones can be repeatedly taken out for multiple times or the ureteroscope body separately gets in and out of the ureter as well as an operation channel of a flexible ureteroscope, thereby saving the operation procedures, shortening the operation time and improving the operation safety; and moreover, in some operation procedures, the rigid ureteroscope can be used instead to implement projects that must be implemented by the flexible ureteroscope before,thereby avoiding the problems of difficult operation and easy damage of the flexible ureteroscope, and actually realizing safe, effective and low-cost clinical treatment.

Disclosed is a combined rigid ureteroscope which comprises a rigid ureteroscope body and a tubular sheath outwardly fitted on a tubular part of the ureteroscope body. A starting end of the sheath is closely engaged with the tubular part of the ureteroscope body. A locking mechanism is provided at a rear end of the sheath. A locking part is provided between the tubular part of the ureteroscope body and an operation part of the ureteroscope body. The locking mechanism is cooperated with the locking part to lock or unlock the rigid ureteroscope body and the tubular sheath. In operations of examining, diagnosing and treating the ureter and the kidney by employing this invention, it saves operation procedures, shortens operation time, improves operation safety, avoids problems of difficult operation and easy damage of the flexible ureteroscope, and realizes safety, effectiveness and low cost in the clinical treatment.

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 disclosure provides a robot operated flexible ureteroscope anti-bending mechanism comprising a sliding sleeve, a sliding sleeve fixing member, a polished rod, a distance measuring substrate, a distance measuring shaft, a distance measuring wheel, a first belt wheel, a linkage device and a clamping device; the sliding sleeve fixing member is nested on the sliding sleeve; the polished rod is nested in one end of the sliding sleeve, the polished rod is slidingly connected with the sliding sleeve, the distance measuring substrate is connected with the polished rod, the distance measuring shaftis connected with the distance measuring substrate, the distance measuring wheel is arranged on the distance measuring shaft in a sleeving manner and is connected with the distance measuring substrate, the first belt wheel is arranged on the distance measuring shaft in a sleeving manner and is connected with the distance measuring substrate, the linkage device is connected with the distance measuring wheel and the sliding sleeve, and the clamping device is connected with the first belt wheel via a synchronous belt. Via the mechanism disclosed in the disclosure, a flexible ureteroscope can beprevented from being bent during push processes, and the mechanism can be combined with a robot system; the mechanism is high in precision, stable in motion and high in safety and reliability.

The invention discloses a percutaneous flexible ureteroscopy for complex lesions of the upper urinary tract, which relates to a medical device and is used to solve the problem that the existing ureteral equipment hose is easily missed in the lower ureter, and the pump tube is easy to fall off, resulting in leakage of body fluid. question. It includes percutaneous puncture and dilation equipment, ureteroscope, cold light source, camera system, bedside B-ultrasound machine, intracavitary stone removal equipment, high-pressure balloon dilator, pressure-regulating water pump, holmium laser ureteroscope, and the ureteroscope includes The sheath tube, the hose inside the sheath tube, the push tube used to connect the sheath tube and the hose, the hand grip at the end of the sheath tube, and the cleaning valve. By rotating the combined sheath and hose, it is more suitable for complex kidney stone surgery.

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 relates to a flexible ureteroscope guide sheath. The flexible ureteroscope guide sheath solves the problem that existing flexible ureteroscope guide sheaths cannot achieve pressurized perfusion of normal saline to result in unsmooth internal pressure relief of pelvis and unsmooth blood clot discharge. The flexible ureteroscope guide sheath is composed of a front sheath body and a rear sheath body; the front portion of the front sheath body is a hollow straight pipe, the rear end of the straight pipe is connected with a bowl-shaped unit with a horn-shaped opening, and the center of the bottom of the bowl-shaped unit is communicated with the straight pipe; the rear sheath body is a case with an opening at the front end, the front end of the rear sheath body is threadedly connected with the rear end of the bowl-shaped unit, the rear end surface of the rear sheath body is provided with a flexible ureteroscope inlet for inletting a flexible ureteroscope, one side of the rear sheath body is provided with a water inlet connected with perfusion solution, the other side of the rear sheath body is provided with a water outlet connected with a negative pressure suction device, and the water inlet and the water outlet are provided with check valves. According to the flexible ureteroscope guide sheath, a cavity communicated with the straight pipe is arranged at the rear end, both sides of the cavity are provided with a water inlet channel and a water outlet channel respectively, so that normal saline can be infused to ensure operation field, and negative pressure suction can be performed to reduce internal pressure of the flexible ureteroscope and the pelvis and further to ensure operation safety.

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.