46 results about "RESECTOSCOPE" patented technology

The invention belongs to the technical field of medical equipment, and particularly discloses plasma operation equipment and a using method thereof, and the plasma operation equipment comprises a host used for generating plasma; the control machine is connected with the host and is used for controlling the host to operate; the resectoscope equipment comprises an inner sheath, an outer sheath, an electrode and a cleaning device, the inner sheath is in a slender rod shape, and a limiting block is connected to the inner sheath in a sliding and sleeving mode. Compared with traditional plasma operation equipment, the mode that the traditional plasma operation equipment depends on a pedal to control cutting parameters is abandoned, and the cutting time, the cutting interval and the cutting current parameters of the main machine are set, regulated and controlled innovatively through the independent control machine; therefore, the medical staff can accurately input parameters on the control machine before the operation according to the operation site, the tissue type and the individual difference of patients, the pedal does not need to be treaded frequently during the operation, the operation steps are effectively reduced, and the probability of operation errors is reduced.

High-frequency electrodes for handheld devices are primarily used in urology for electrosurgical procedures in the bladder, prostate, and urethra. It is known that a large active electrode area is advantageous. However, the size of the area is limited by the available space. Furthermore, higher energy is required to ignite the plasma in large electrodes. Increased energy, however, negatively impacts the temperature input into the irrigation fluid, which can be detrimental to the surrounding tissue. The invention provides a high-frequency electrode (18), an electrode instrument (16), and a resectoscope (10) in which the plasma can be more easily localized at the electrode (18) while simultaneously reducing the energy required to ignite the plasma. This is achieved by giving the high-frequency electrode (18) for use in a surgical handheld device the shape of a toroid (21).

The invention discloses a resectoscope, and relates to the technical field of medical instruments, the resectoscope comprises an outer sheath, an adapter, an operator, an instrument and an endoscope main body connected with the outer sheath, the endoscope main body is connected with a light path system and an imaging system, and one end, far away from the outer sheath, of the endoscope main body is connected with a fixing assembly; the fixing assembly is used for fixing the endoscope body and the operator or fixing the endoscope body and the adapter, the operator is connected with an electric cutting ring, when the operator is connected to the endoscope body, the electric cutting ring penetrates through the outer sheath and the adapter to be connected with an instrument, and when the instrument is installed on the adapter, one end of the cold knife instrument penetrates through the outer sheath. When an instrument needs to be replaced, the operator is separated from the endoscope body through the fixing assembly, the instrument only needs to be installed on the adapter, the use end of the instrument sequentially penetrates through the adapter, the endoscope body and the outer sheath and is located in the human body, the sheath sleeve does not need to be frequently taken out from the human body to replace the instrument, and the situation that human tissue is touched by mistake is reduced.

The invention provides a prostate cyst excision device based on ultrasonic guidance, and belongs to the technical field of medical instruments. Comprising a mounting plate mounted on an operating bed, a first positioning plate is fixedly connected to the top of the operating bed, a second positioning plate is slidably connected to the top of the first positioning plate, and a third positioning plate is slidably connected to one side of the second positioning plate; the ultrasonic probe and the resectoscope are installed on the first positioning plate and the third positioning plate respectively. By arranging the positioning assembly, the efficiency of medical staff for placing the ultrasonic probe and the resectoscope into the body of a patient can be improved, the positioning assembly can open a wide operation channel in the rectum of the patient, the convenience of placing the ultrasonic probe into the body of the patient is improved, the operation view is wider, and the operation efficiency is improved. And the positioning assembly can clamp and fix the glans penis of the patient, so that the efficiency of placing the resectoscope into the urethra of the patient is further improved.

The present application relates to the technical field of electric resectoscope operation simulation training, and discloses a kind of training system of virtual simulation electric resectoscope operation, including preset model scene unit, simulation system configuration unit, simulation system guide prompt unit, simulation system operation unit and simulation system operation effect unit;Also disclosed is a kind of method of training system of virtual simulation electric resectoscope operation, comprising the following steps: S1, training scene and operation object construction;S2, preoperative preparation and simulation surgical instrument selection;S3, simulation surgical operation;S4, simulation training evaluation.The present application constructs training scene and corresponding operation object, and carries out electric resectoscope operation simulation training in virtual scene by guide prompt, and displays detailed simulation training performance evaluation table after training;Operator can carry out targeted training according to his weak point, and the training effect is better;And not subject to manpower, material resources and site restrictions, without the guidance of others, suitable for routine development.

A method and a system for navigation and / or control support for transurethral prostate resection, the method including: analyzing endoscopic images provided by a resectoscope and / or additional sensory data from within the resectoscope during TURP for one or more of several options, and at least one of: automatically disabling HF current to the resection electrode under several different outcomes of the analyzing, and outputting visual and / or acoustic information to an operator performing the TURP. The information including at least one of: a visual indication of an anatomical landmark inside and / or outside of the endoscopic image, a visual indication of a distance of the resection electrode to an anatomical landmark, and a visual or acoustic warning signal when the resection electrode comes closer than a predetermined allowable distance to one or more of the bladder neck, the verumontanum and the internal and / or external sphincter muscles.

The present application relates to the field of medical devices, and discloses a sheath structure, which comprises an inner sheath member and an outer sheath member, the inner sheath member is formed with an inner sheath channel and is provided with an inner sheath liquid inlet communicating with the inner sheath channel, the outer sheath member is formed with an outer sheath channel and the inner sheath member is arranged in the outer sheath channel, and the outer sheath member is provided with a liquid outlet communicating with the outer sheath channel; wherein a liquid outlet channel is formed between the outer periphery of the inner sheath member and the outer sheath channel, the liquid outlet communicates with the liquid outlet channel, the liquid outlet channel comprises a liquid inlet side for liquid inlet and a liquid outlet side at the liquid outlet, the gap of the liquid outlet channel at the liquid outlet side is larger than the gap of the liquid outlet channel at the liquid inlet side; and a resectoscope is also disclosed, which comprises an operating member and the sheath structure, and the operating member is sealingly connected with the sheath structure. The technical scheme of the present application aims to improve the liquid inlet and outlet convection effect of the resectoscope.

A method and TURP system and computer program product for imaging support for transurethral prostatectomy are provided. The method comprises: a) analyzing endoscopic images provided by the resectoscope during TURP and / or additional sensory data from within the resectoscope for performing one or more of several options and at least one of the following: b) automatically disabling HF current to the resection electrode under several different results of analyzing step a), c) outputting visual and / or auditory information to an operator performing the TURP, comprising at least one of i) a visual indication of an anatomical landmark inside and / or outside the endoscopic image, ii) a visual indication of a distance of the resection electrode to the anatomical landmark, and iii) a visual warning signal or an auditory warning signal when the resection electrode is closer to one or more of the bladder neck, vermifuga, and the internal sphincter and / or the external sphincter than a predetermined allowable distance.

The utility model discloses an electrotome of enhanced drainage function, it includes the sheath and the inner sheath, the sheath is set in the inner sheath outside and forms the flushing water channel between both, is equipped with the passageway in the inner sheath, the rear end lateral wall of sheath is fixed with the flush seat of flush water channel intercommunication, is equipped with a plurality of flush holes of flush water channel intercommunication on the front end lateral wall of sheath, the rear end of inner sheath is fixed with the fixed seat, flush seat seals the sleeve of the front end of fixed seat, the front end inner and outer lateral wall of inner sheath is synchronous and is outwardly convex and forms the boss of the close contact with sheath front end port, flush water channel is located between the boss and fixed seat, the rear end of boss is close to fixed seat, the front end of boss is away from fixed seat, the rear end of boss has part and is not outwardly convex and forms one or more than one and is spaced distribution and corresponds to the intercommunication notch of flush hole.

The utility model relates to a superfine-caliber bipolar plasma resectoscope and a combined suite. The utility model discloses a superfine-caliber bipolar plasma resectoscope which comprises an inner sheath, an electronic flexible lens, a plasma cutter and an operator, a connector is arranged at one end of the inner sheath and used for being connected with an external water source to inject water into the inner sheath. The electronic flexible lens and the plasma cutter are arranged in the inner sheath in a penetrating mode. According to the ultra-thin-caliber bipolar plasma resectoscope combination suite, the whole design thought is changed, a brand-new prostate bipolar plasma resectoscope structure which can keep the original function of the resectoscope unchanged and reduce the caliber is provided, an outer sheath is innovatively removed, a fistulization assembly is designed in a matched mode, and the structure is simple, convenient and practical. Meanwhile, the inner sheath serves as the outermost layer of the whole novel resectoscope structure, the electronic soft lens is used for replacing a traditional hard eyepiece, the diameter of the resectoscope is further reduced, and finally the diameter of the resectoscope stretching into the urethra can reach Fr6-Fr18.

The laser resectoscope comprises a sheath assembly, a laser hand part, a laser optical fiber and an electronic endoscope, the sheath assembly comprises an inner sheath and an outer sheath, the inner sheath is arranged in the outer sheath, the electronic endoscope comprises an endoscope tube, the laser optical fiber and the endoscope tube are arranged in the inner sheath in a penetrating mode, a light channel tube is arranged on the outer side of the laser optical fiber, and the laser hand part is arranged in the light channel tube. The head of the laser optical fiber protrudes out of the light channel pipe, a lens end is arranged at the head end of the lens pipe, an image sensor is installed in the lens end, and protective glass is installed on the outer side of the image sensor. The electronic endoscope is adopted for imaging, and an electronic camera system is mature, low in cost and simple in process; the field angle of the image sensor is large, and the visual range is wide; the head end of the image sensor is large, the rear end is a thin wire, and the overall outer diameter can be reduced.

The utility model relates to a specimen collecting device for transurethral electric resection, belongs to the technical field of medical instruments, and solves the technical problem that the existing specimen collecting device is easy to mix surgical specimens at different parts. The device comprises a waste liquid collecting container, a loader, a specimen collector and a sealing cover, wherein the loader is rotationally arranged in the waste liquid collecting container; a plurality of specimen collectors are arranged, and the plurality of specimen collectors are circumferentially arranged on the loader; the sealing cover is buckled at the opening of the waste liquid collecting container and is connected with the resectoscope sheath; and by rotating the loader, different specimen collectors can be switched to perform targeted collection on specimens at different parts. According to the utility model, different specimen collectors are switched by rotating the loader, so that specimens at different parts can be independently collected without replacing a new specimen collection device during multi-point focus tissue excision, and the confusion of surgical specimens at different parts is avoided.

An inner shaft for a working element of a resectoscope includes a distal end portion and at least three spacer elements which are arranged on an outer surface of the inner shaft. The spacer elements are distributed at different positions in the region of the distal end portion such that the inner shaft can be guided and / or placed within an outer shaft at a distance from the outer shaft in a predefined way at least in the distal end portion. A method produces the inner shaft and a resectoscope is provided with the inner shaft.

The utility model belongs to cup stand technical field discloses a resectoscope sheath cleaning effect inspection device, including endoscope and industrial computer, endoscope and industrial computer connection constitute visual inspection system, still including the positioning frame for positioning to the sheath, the positioning frame includes base, be equipped with vertical upward stand on the base, the top of stand is equipped with the transverse setting cross bar, be equipped with the locating block on the base, be equipped with the limiting slot for the bottom end portion of sheath position limiting on the locating block, and the cross bar is equipped with the pressing block for the bottom end portion of sheath press through the adjusting mechanism installation, and the pressing block is equipped with the end of endoscope insertion to the plug. The utility model is through endoscope and industrial computer and constitutes visual inspection system, and through setting specific positioning frame to position the sheath, to be able to detect the foreign matter in the sheath.

A method for controlling an electrosurgical instrument, in particular a resectoscope in transurethral resection, for cutting, vaporizing or thermally treating body tissues. The electrosurgical instrument has one or two instrument poles, and the electrosurgical instrument is controlled by an RF signal in order to control an electrical instrument current via one instrument pole or via the two instrument poles when the RF signal is activated. The method is prepared to identify a contact of one or both instrument poles with an electrically conductive solid.

The utility model relates to the technical field of surgical instruments, in particular to a human body urinary tract inner diameter measuring instrument which comprises a measuring catheter and a rotating sleeve, the measuring catheter is of a hollow tube body structure, and one end of the measuring catheter is provided with a positioning bag cavity used for being fixed in a bladder. An air hole is formed in the position, located in the positioning bag cavity, of the measuring catheter, and the air hole is communicated with the positioning bag cavity and the measuring catheter; the rotating sleeve is arranged on the outer side surface of the measuring catheter in a sleeving mode, and a displacement sensor is arranged at the end, close to the positioning bag cavity, of the rotating sleeve. And a rotating sleeve is arranged at the other end of the rotating casing pipe, and the rotating sleeve is rotationally connected with the rotating casing pipe. The novel resectoscope effectively solves the problems that the existing resectoscope cannot adapt to differences of different races, so that the existing resectoscope cannot be used due to urethrostenosis in domestic operations or the urethra is easily damaged when the existing resectoscope is used, and the like.

The present invention relates to the technical field of plasma resectoscopes, and proposes a continuous cutting plasma resectoscope, which provides hardware support for the precision of surgery, improves the surgical effect as much as possible, reduces the fatigue of surgeons, reduces patient trauma, and improves safety under the premise of ensuring surgical safety. The resectoscope comprises an electrosurgeon body, a telescopic part, and a rotating ring. The electrosurgeon body comprises an outer sheath and an electrosurgery tube. The outer sheath is sleeved on the electrosurgery tube, and an electrosurgery arc is provided on the electrosurgery tube. The telescopic part is fixedly connected to the electrosurgery tube, and a rotating ring is fixedly sleeved on the telescopic part. The rotating ring is rotatably sleeved on the outer sheath. The outer sheath is provided with a rotating cutting component for driving the telescopic part to swing left and right. The rotating ring is rotatably sleeved on the electrosurgery tube, and a moving rod is fixedly connected to the rotating ring. A moving groove for moving the moving rod is opened on the outer sheath, and an automatic electrosurgery component for driving the moving rod to move is provided on the outer sheath.

The invention discloses a plasma electric resection and laser enucleation integrated mirror assembly. The assembly comprises an operation cylinder; the front end of the operating cylinder is provided with an operating port, the rear end is provided with an operating handle, the operating cylinder is hollow, and the inner wall is fixedly connected with a driving gear; the front end of the operation hole is provided with a switching groove in sliding connection with a switching handle. The lower end of the switching handle is provided with a switching disc rotationally connected with the inner wall of the operating handle; extension holes are symmetrically formed in the two sides of the switching disc and rotationally connected with the rotary drum, and limiting keys are arranged on one sides of the extension holes. The front end of the drum is provided with a planetary gear meshing driving gear, and the inner wall is provided with extending threads; the switching disc is driven to rotate through the switching handle on the operation handle, and function switching of the plasma resectoscope and the laser optical fiber sleeve can be rapidly completed.

The present application belongs to the field of medical device technology. The embodiment of the present application provides an electrosurgical resectoscope, including an outer sheath and an inner sheath that are mutually sleeved; and a guide assembly that is movably inserted into the inner sheath, with a flexible continuum provided at the distal end of the guide assembly; an electrosurgical cutting ring assembly that is detachably provided at the distal end of the flexible continuum; a lens assembly that is provided at the distal end of the flexible continuum and exposed to the electrosurgical cutting ring assembly; and a handle assembly that includes a gripping portion and a connecting portion that are rotatably connected to each other, with the distal end of the connecting portion connected to the proximal end of the guide assembly, and the gripping portion connected to the flexible continuum via a pulling structure. The present application controls the degree of freedom between the gripping portion and the connecting portion by an external force, so as to drive the pulling structure to pull the flexible continuum to bend, thereby changing the posture of the electrosurgical cutting ring assembly and the lens assembly at the distal end of the flexible continuum, so as to increase the visible area and the operable area during the surgical operation and reduce the difficulty of the operation.

The invention discloses a resectoscope of a plasma laser public first piece, and relates to the technical field of resectoscopes, the resectoscope comprises a support, the outer side of the support is sleeved with an inner sheath, one end of the inner sheath is connected with an outer sheath, one end of the support is connected with a lens, and an electric resectoscope ring is connected in the inner sheath in a penetrating mode. One end of the support is provided with a moving mechanism used for driving the electric resection ring to move, and the middle of the support is fixedly connected with a connecting block. According to the resectoscope of the plasma laser common first piece, through cooperation of triple design of double sealing, quick assembly disassembly and adjustable operation resistance, the problems that a traditional resectoscope is low in sealing fault-tolerant rate, switching between plasma and laser resection is tedious, and excessive operation is prone to occurring in a fine operation are solved, flushing fluid is prevented from overflowing through double sealing, double-mode quick switching is achieved through a quick disassembly structure, and the working efficiency is improved. Resistance adjustment guarantees accurate operation, triple design gives consideration to sealing reliability, use flexibility and operation safety, medical cost is reduced, and operation efficiency and accuracy are improved.

The utility model discloses a multi-angle adjustable polyp resection device, and relates to the technical field of medical instruments, in particular to a multi-angle adjustable polyp resection device which comprises an outer tube, a connecting sliding groove is formed in the outer tube, a connecting steel wire is connected in the connecting sliding groove in a sliding mode, one end of the connecting steel wire is provided with a resection ring, and the other end of the connecting steel wire is provided with a connecting rod. A control ring is arranged at the end, away from the excision ring, of the connecting steel wire, the control ring and the excision ring are located at the two ends of the outer pipe correspondingly, an adjusting sliding groove is formed in the outer pipe, and an adjusting steel wire is slidably connected into the adjusting sliding groove; an adjusting ring is arranged at the end, away from the cutting ring, of the adjusting steel wire and abuts against the outer surface of the outer pipe. According to the multi-angle adjustable polyp resection device, through cooperative arrangement of the adjusting ring, the adjusting steel wire and the resection ring, the multi-angle adjustable polyp resection device has the effect of conveniently and rapidly adjusting the angle of the resection device.

The utility model discloses a rimless double-mirror plasma resectoscope, which relates to the technical field of plasma resectoscopes and comprises an operation main frame and a fixing frame, a first connecting groove is arranged at one end of the fixing frame, the other end of the fixing frame is fixedly connected with a connecting seat, a spring button and an inner sheath piece are arranged on the connecting seat, and the inner sheath piece is detachably mounted on the operation main frame. The outer sheath piece is arranged on the inner sheath piece in a sleeving mode, the Olympus lens comprises a first lens piece, and a first connector is installed at one end of the first lens piece. The resectoscope is reasonable in design structure, the resectoscope can be compatible with different types of lenses by designing the replaceable Olympus type lens and the common lens, the application range of the resectoscope is expanded, the requirements of different operation scenes are met, and the resectoscope is suitable for popularization and application. The Olympus lens and the common lens are installed on the connecting base through the spherical connectors, flushing fluid can be prevented from seeping out, and the sealing performance is better.

The invention discloses a resectoscope inner sheath, a resectoscope and a washing control method of the resectoscope. The inner sheath comprises a sheath tube body, a sheath tube seat is arranged at the tail end of the sheath tube body, and a liquid outlet tube head communicated with an inner cavity of the sheath tube body is arranged on the side wall of the sheath tube seat; the flow deflecting end is arranged at the front end of the sheathing canal body and provided with a main hole channel coaxially communicated with the sheathing canal body and an auxiliary hole channel communicated with the liquid flow channel, a flow deflecting face is arranged on the inner wall of the end, away from the sheathing canal body, of the auxiliary hole channel and guides fluid in the auxiliary hole channel to deflect, and a plurality of flow deflecting grooves are formed in the outer side wall of the flow deflecting end. The resectoscope is composed of an inner sheath, an outer sheath, a handle assembly, an endoscope and an electric resection ring, a plurality of liquid spraying openings are formed between the flow deflecting end and the outer sheath, fluid in the liquid flow channel is sprayed out through the liquid spraying openings and sprayed in a divergent mode under the action of the flow deflecting groove, and fluid flowing out of the auxiliary hole channel can deflect towards the main hole channel and flushes a lens area of the endoscope. The problem that the operation view is affected by bubbles generated during working and bleeding in an operation is solved.

The utility model relates to the technical field of specimen separation and collection, and particularly discloses a resectoscope operation washing waste liquid and specimen separation collector which comprises surrounding cloth, a plastic support is arranged at one end of the surrounding cloth, a bent pipe is fixedly connected to the end, away from the plastic support, of the surrounding cloth in a penetrating mode, and a filtering structure is connected to the end, away from the surrounding cloth, of the bent pipe in a threaded mode. The outer surface of the end, away from the bent pipe, of the filtering structure is in threaded connection with a drainage pipe, a collecting barrel is arranged on the lower portion of the drainage pipe, and the filtering structure comprises a filter screen outer sleeve, a specimen collecting filter screen, a leakage opening, a connecting inner threaded pipe and a fixed inner threaded pipe; the ventage is fixedly connected to the top end of the specimen collection filter screen, and the connecting internal thread pipe is movably connected in the ventage in a penetrating manner; the surgical gown collecting device is convenient to operate, the surgical gown of a surgeon cannot be splashed, the sterile principle is met, and the surgical gown collecting device has the advantages of being simple in specimen collection, rapid in collection, labor-saving and consumable-saving.

The present invention relates to a resectoscope device (10) comprising an insertion sleeve (12) that can be introduced into a cavity (14) of a patient and has an oval cross-section (110), and a shaft (18) that extends through the insertion sleeve (12) and that has a first shaft section (130) and a second shaft section (140) that are arranged at different positions along a longitudinal axis (120) of the shaft (18), wherein at least in one application configuration the first shaft section (130) is arranged in the insertion sleeve (12) and is rotatable within the insertion sleeve (12), and wherein the second shaft section (140) is arranged outside the insertion sleeve (12) in the application configuration.

The invention relates to a video generation method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a multi-lens prompt text, a multi-lens noise video and lens cutting time indication information; respectively coding the multi-shot prompt text and the multi-shot noise video to obtain a multi-shot text feature and an initial multi-shot noise feature; performing rotation position coding on the resectoscope time indication information to obtain a first rotation position coding feature (used for indicating a resectoscope time position); performing rotation transformation on the initial multi-lens noise feature according to the first rotation position coding feature to obtain a target multi-lens noise feature added with a tangent time position identifier; and performing multi-shot video generation processing on the multi-shot text features and the target multi-shot noise features based on a video generation diffusion model to obtain a multi-shot generated video. According to the technical scheme provided by the invention, flexible lens cutting can be realized in multi-lens video generation, and the video clip corresponding to each lens can be in any duration.

This invention provides a hysteroscopic electrosurgical resection endoscope, belonging to the field of electrosurgical resection technology. It includes an endoscope, with an operating body sleeved on its outer wall. An electrode connector is slidably connected to the outer wall of the operating body, and a pushing component is rotatably connected to the outer wall of the electrode connector. The pushing component is rotatably connected to the outer wall of the operating body, and a connecting block is fixedly connected to the outer wall of the operating body. A sealing assembly is also included, used to assist medical personnel in inserting an outer and inner sheath into the patient's uterine cavity. The sealing assembly is connected to the electrode connector, the connecting block, the outer sheath, and the inner sheath. By setting up the sealing assembly, after the two semi-circular parts close to form a blunt-tipped structure, the window at the end of the outer and inner sheaths away from the connecting block can be sealed, preventing damage to the uterine cavity caused by the window at the end of the outer and inner sheaths when medical personnel control their insertion into the patient's uterine cavity, thus facilitating use by medical personnel.