130 results about "Flexible endoscope" patented technology

An articulating flexible endoscope is provided. The articulating flexible endoscope comprises: an elongated member extending between a distal end and a proximal end, where the elongated member comprises a bending section steerable by one or more pull wires. The bending section comprises at least an inner flexure placed inside an outer flexure. The inner flexure is formed with outer structures to provide structural support for the one or more pull wires upon assembly with the outer flexure.

The invention discloses an auxiliary instrument for a soft endoscope, which comprises an operating part and a working part, the working part comprises a sheath tube part, a bending part and a forceps head part which are sequentially connected from a near end side to a far end side, and the auxiliary instrument is characterized in that the operating part comprises a steering control mechanism and a forceps head control mechanism; wherein the steering control mechanism can control the bending part to conduct multi-degree-of-freedom surrounding bending so as to drive the plier head part to be bent, and the plier head control part can control the plier head part to be opened and closed; the steering control mechanism comprises four steering traction wires, a steering push rod, a guide hemisphere, a hemisphere seat, a ball rod, a supporting frame, a balance spring, a pressing ring, a locking ring and an O-shaped ring,

The utility model discloses an inner tube cleaning device for a soft endoscope. The cleaning device comprises a fixing mechanism, a cleaning bin and a cleaning mechanism. According to the equipment, the position of the operation part of the soft endoscope is fixed through the fixing mechanism, and the operation part extends into the cleaning bin for cleaning operation; the cleaning mechanism comprises a plurality of cleaning medium pipelines, and the number of the cleaning medium pipelines is matched with the number of inner pipe bodies to be cleaned; the cleaning medium pipeline is a pressure-adjustable pipeline with a pumping device, the connecting-in end of the cleaning medium pipeline is provided with a connecting part matched with the connector / connector, and the connecting-out end of the cleaning medium pipeline is connected with a cleaning medium container. According to the flexible endoscope cleaning device, the cleaning effect and the cleaning efficiency of a pipeline in a flexible endoscope can be effectively improved, and the cleanliness of the flexible endoscope during use is guaranteed.

The invention relates to the technical field of medical endoscopes, and provides an endoscope with a temperature measurement function, the endoscope comprises an operation part and a soft lens catheter, and the operation part and the soft lens catheter are both internally provided with a liquid supply channel, a suction channel and a transmission medium channel; the flexible lens catheter is detachably arranged on the operating part through a connecting part, and the connecting part comprises a locking piece, a sealing insertion tube, an elastic contact piece and a sealing piece; the operation part and the flexible lens catheter are both provided with the abutting pipes communicated with the suction channel, and a sealing piece is arranged at the connecting position of the two abutting pipes. Through the arrangement of the connecting part, the flexible lens catheter can be quickly disassembled and replaced during use, the replacement time when the operation part breaks down in the operation process can be greatly shortened, and the flexible lens catheter can be disassembled and replaced without being taken out.

The flexible ureteroscope device comprises a flexible ureteroscope body and a sheathing canal body used for supporting the urethra to form a passage for the flexible ureteroscope body to enter, the flexible ureteroscope body comprises a miniature camera used for imaging and a holmium laser optical fiber used for cutting stones, a guide groove and a positioning groove are formed in the outer wall of the flexible ureteroscope body, and the guide groove and the positioning groove are communicated with each other. A balloon is connected into the sheath tube body and used for being matched with the flexible lens body to expand a narrow urethra area, a cross air pipe is fixedly connected to the outer side of the sheath tube body and used for injecting air into the balloon, a bearing seat is axially connected to the outer side of the sheath tube body in a sliding mode, and an adjusting assembly is connected into the bearing seat and used for driving the sheath tube body to move automatically. The adjusting assembly comprises a pressure sensor used for detecting the pressure in the ureter. According to the technical scheme, the operation cost is reduced, the operation period is shortened, and the stability of the operation process is improved.

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

The invention discloses a multi-angle observation nerve flexible endoscope assembly, and relates to the technical field of endoscopes, the multi-angle observation nerve flexible endoscope assembly comprises an isolation tube, one end of the isolation tube is fixedly connected with an operation box, and the end, away from the operation box, of the isolation tube is provided with a shooting structure; mounting holes which are uniformly distributed are formed in the outer side of the operation box, a knob is mounted in each mounting hole, a limiting ring is fixedly connected to the interior of the mounting hole in the outer side of the operation box, the knob is rotationally connected to the interior of the limiting ring, and a connecting block is fixedly connected to the end, close to the interior of the operation box, of the knob; and two symmetrically-distributed positioning blocks are slidably connected into the connecting block. According to the nerve flexible endoscope assembly capable of achieving multi-angle observation, through the linkage design of the rotary knob, the winding sleeve and the pull rope, independent control over the visual angle of the camera and the form of the isolation pipe is achieved, the wavy groove structure of the limiting ring is adopted, it is ensured that the rotary knob can be locked step by step during adjustment, angle drift caused by misoperation is avoided, and the control precision is improved.

The utility model relates to the technical field of medical instruments, and discloses a medical endoscope which comprises an operating handle and a flexible endoscope tube. The operating handle comprises a shell, a wheel rod, a wheel sheet, a driving shaft and a plurality of pairs of traction wires; one end of the shell is coaxially provided with the wheel rod and the wheel sheet, and the other end of the shell is rotationally connected with the near end of the flexible endoscope tube; the wheel rod is rotationally connected with the shell, the driving shaft is located in the shell, the axis of the driving shaft perpendicularly intersects with the rotating axis of the wheel rod, the multiple pairs of traction wires are symmetrically arranged on the two sides of the rotating axis of the driving shaft, one ends of the traction wires are fixedly connected with the wheel rod, and the other ends of the traction wires extend to the far end of the flexible endoscope tube. And the far end of the flexible endoscope tube is fixedly connected with the far end of the flexible endoscope tube. The flexible endoscope has the advantages that when the flexible endoscope tube rotates, the far end of the flexible endoscope tube can be bent, accurate imaging of a focus in a multi-angle range can be achieved, and the flexible endoscope is simple in structure and convenient to adjust.

The utility model discloses a coaxial double-layer omni-directional catheter electric control steering device of a flexible endoscope robot, which comprises an outer moving track, an inner moving track, an outer moving seat, an inner moving seat and a catheter, and the outer moving seat and the inner moving seat are movably connected onto the outer moving track and the inner moving track respectively. The catheter comprises an inner catheter body and an outer catheter body, the outer catheter body is connected to the outer moving seat, the inner catheter body is connected to the inner moving seat, the inner catheter body is located in the outer catheter body and movably connected with the outer catheter body, and an endoscope lens tube or a functional surgical instrument can enter a human body through the inner catheter body. An endoscope lens soft rope and surgical instruments such as a clamp holder, scissors and a laser head can be arranged in the inner tube. By means of the voice coil motor and the corresponding control circuit, the problem that in the prior art, the steering speed and precision are limited is effectively solved, precise multi-freedom-degree steering of the catheter is achieved, and the requirement for high-precision surgery is met.

The invention discloses a multi-channel flexible lens Mini LED light supplementing module of a disposable medical endoscope, and belongs to the technical field of medical instruments. The light supplementing module (1) is inserted into the endoscope body (2) and provides light for normal work of the endoscope. The light supplementing module (1) comprises a top cover (10), an LED (13), a printed circuit piece and a bonding pad (16). The top cover is arranged at the top end of the printed circuit piece, and the LED (13) is fixedly arranged on the top cover (10) and electrically connected with a circuit in the printed circuit piece. The bonding pad (16) is fixedly arranged at the bottom of the printed circuit piece and electrically connected with a circuit in the printed circuit piece, and meanwhile the bonding pad (16) is connected with an external power supply circuit so as to supply power to the LED. According to the invention, the problems of secondary tin dissolution, lamp failure and uneven chromatic aberration and illumination when the traditional chip LED is packaged and used can be solved.

The invention belongs to the technical field of cleaning, particularly relates to a pretreatment agent special for a soft endoscope, and provides the following scheme aiming at the problems that an existing pretreatment agent does not have moisturizing and bacteriostatic functions, needs to be used after being diluted and does not allow foams to exist. The special pretreatment agent for the soft endoscope comprises the following raw materials in parts by weight: 5-10 parts of a PH buffer agent, 4-8 parts of modified grease, 5-15 parts of multienzyme, 1-5 parts of an enzyme stabilizer, 1-3 parts of a complexing agent, 1.00-3.00 parts of a penetrating agent, 2-5 parts of a foaming agent, 0.50-1.50 parts of a color, 0.05-0.10 part of essence and the balance of water, has certain foam, can be fully filled in a cavity of the endoscope, and can be used for preparing the soft endoscope. In the use process, dilution is not needed, direct use is achieved, the pretreatment efficiency is improved, bacteria are effectively inhibited, cross infection is prevented, and protein, fat, fiber, starch, sugar and other pollutants can be effectively decomposed.

The present invention relates to the technical field of medical devices, and discloses a quick clamping and control device for a ureteral flexible endoscope, which includes a clamping assembly, comprising a fixed frame and a clamping member. The fixed frame is installed on a surgical robot platform, and the clamping member is arranged on one side of the fixed frame for controlling the fixed frame to clamp the ureteral flexible endoscope; a rotating assembly, comprising a fixed connecting plate and a rotating member. The fixed connecting plate is fixedly connected to the side of the fixed frame away from the clamping member, and the rotating member is arranged on the fixed connecting plate for adjusting the angle of the ureteral flexible endoscope; a feeding assembly, comprising a fixed column and a conveying member. The fixed column is fixedly connected to the side of the fixed frame away from the clamping member, and the conveying member is arranged on the fixed column for conveying a laser guide wire, and the laser guide wire is connected to the ureteral flexible endoscope. The structure of the present invention is simple, the operation is convenient, the surgical steps of doctors are reduced, the operation time is reduced, thereby reducing the degree of damage to the patient's body and the probability of cross-infection.

FLEXIBLE SCOPE DEVICE There is provided a portable medical endoscope comprising: a flexible portion having a proximal end and a distal end, wherein the flexible portion comprises a bending section and a tip at the distal end, and wherein the tip comprises an image-capturing device; a controller portion disposed at the proximal end of the flexible portion, wherein the controller portion comprises: (i) an angulation mechanism coupled to the bending section and the tip, wherein the angulation mechanism controls movement of the tip; and (ii) a handle in a pistol grip configuration; and a detachable monitor configured to releasably engage the controller portion; wherein the flexible portion and the controller portion are integrally formed, waterproof, and capable of withstanding high level disinfection conditions.

The present invention discloses an auxiliary connector and a flexible endoscope-assisted suction device. The auxiliary connector includes a connector body, the rear end of which has a main channel and a secondary channel. The secondary channel is smaller than the main channel and is located to the side of the main channel. A main opening is provided at the front end of the connector body, which communicates with both the main channel and the secondary channel. In the longitudinal projection direction, the main opening is opposite to at least part of the main channel and the secondary channel, respectively. The present invention can improve the clarity of the visual field during surgery, facilitate surgical operations, and enhance safety.

The utility model relates to medical instrument technical field especially, more particularly to a kind of soft endoscope auxiliary sheath, comprising: sheath tube part, the connecting part of fixedly being arranged in the proximal end of the sheath tube part and the joint of detachably being arranged in the proximal end of the connecting part;Wherein, the sheath tube part along the axial direction of the sheath tube part respectively opens first sheath tube passage and second sheath tube passage, the outer surface of the sheath tube part close to the distal end is fixedly provided with first air bag, the axis of the first sheath tube passage is parallel with the axis of the second sheath tube passage;Wherein, the connecting part along the axial direction of the connecting part respectively opens first through-hole communicated with the first sheath tube passage and second through-hole communicated with the second sheath tube passage;The utility model's double sheath tube passage is in parallel, can simultaneously use multiple instruments, reduce plug frequency, and flexible material and rigid gradually change, improve the effect and safety of examination and treatment.

The present invention discloses a micro snake bone assembly, belonging to the technical field of flexible endoscope accessories. The micro snake bone assembly includes a plurality of snake bone ring segments connected end to end. At least two upwardly protruding buckle positions are symmetrically arranged at the upper end of each snake bone ring segment; buckle grooves matching the buckle positions are symmetrically arranged at the lower end of the snake bone ring segment; corner positioning ribs are arranged on the inner wall of the buckle position, and the lower ends of both sides of the corner positioning ribs are smoothly transitioned with the upper end of the snake bone ring segment; a corner positioning groove for accommodating the corner positioning ribs is arranged on the inner wall of the buckle groove; during assembly, the buckle position of one snake bone ring segment is snap-fitted into the buckle groove of the next snake bone ring segment, and the corner positioning rib is clamped in the corner positioning groove, so that every two adjacent snake bone ring segments are rotatably connected. The micro snake bone assembly of the present invention can realize the bending and turning function in a thinner flexible endoscope, has a small volume, a thin diameter, flexible corners, does not need to be riveted and connected by rivets, is convenient for assembly, and can effectively prevent loosening.

The present application provides a control method, device, equipment and medium for a flexible endoscope control system, wherein the flexible endoscope control system includes a first mechanical arm, a second mechanical arm and a binocular camera, and the method includes: obtaining image information collected by the binocular camera; determining multiple plane deviation distances and multiple position relationship information between multiple feature points in the flexible endoscope and a target plane according to the image information; determining the torsion state of the flexible endoscope according to the multiple plane deviation distances and multiple position relationship information; determining the movement control mode of the flexible endoscope control system for the flexible endoscope according to the torsion state of the flexible endoscope. In this method, during the movement of the flexible endoscope, it is possible to accurately determine whether the flexible endoscope is twisted and handle it in time to avoid damage to the flexible endoscope and ensure the safety of the movement process of the flexible endoscope.

Disclosed is an active bending sheath-type urological flexible endoscope (1), comprising an active bending sheath (20), wherein the active bending sheath (20) comprises a bendable sheath main body (21) and a control handle (22) connected to the rear end of the bendable sheath main body (21) and is provided with a connecting channel (24); and a flexible endoscope main body (30), wherein the flexible endoscope main body (30) comprises a flexible endoscope inner core (31) and a flexible endoscope handle (32) connected to the rear end of the flexible endoscope inner core (31). The flexible endoscope inner core (31) is suitable for being inserted into the connecting channel (24). The active bending sheath (20) is sleeved on the outside of the flexible endoscope main body (30), the bendable sheath main body (21) is sleeved on the flexible endoscope inner core (31), and the control handle (22) is sleeved on the flexible endoscope handle (32). The bendable sheath main body (21) is suitable for bending to drive the flexible endoscope inner core (31) to bend.

The present invention relates to a medical instrument, and in particular, to a flexible electronic endoscope with a built-in peristaltic pump. The technical problem to be solved by the present invention is that current flexible electronic endoscopes themselves do not have the function of pressurized perfusion, resulting in the problems of limited space and poor portability when externally connected to perfusion pumps and externally connected to negative pressure pipelines. The present invention provides a flexible electronic endoscope with a peristaltic pump built into a handle. A lavage pipe of the endoscope is provided with a small peristaltic pump, both ends of a pump tube of the peristaltic pump are connected to the lavage pipe, and the pump tube forms a part of the lavage pipe. In this way, the flexible electronic endoscope is allowed to have an independent pressurized perfusion function.

The invention discloses throat diagnosis and treatment equipment based on photocatalyst sterilization, and relates to the technical field of medical equipment.The throat diagnosis and treatment equipment comprises a bent rod body and a soft lens arranged in the rod body and used for observing the throat, the rod body is provided with multiple sets of supporting mechanisms, and the supporting mechanisms are arranged in the circumferential direction of the rod body; the supporting mechanism can deform to have a first state close to the rod body and a second state supporting the throat. According to the throat diagnosis and treatment equipment based on photocatalyst disinfection, the multiple sets of supporting mechanisms are in the second state and can support multiple positions of the inner wall of the throat, so that the view field of the soft lens is expanded, and the influence of the retching reaction on the soft lens is reduced; when the soft lens needs to observe the inner wall of the throat where the supporting mechanisms are located, the corresponding supporting mechanisms are switched to the first state, the inner wall of the throat where the supporting mechanisms are located can be exposed, and meanwhile the other supporting mechanisms are used for supporting the throat.

The invention discloses a low-temperature plasma electrode used under a soft endoscope, and belongs to the technical field of medical instruments, the low-temperature plasma electrode comprises a first electrode assembly, first insulating ceramic and a first loop electrode, a plurality of first grooves are uniformly formed in the outer circumference of the front end of a first working electrode, and a working electrode cavity is formed in the rear end of the first working electrode in the length direction of the first working electrode; a working electrode cable is welded and fixed in the working electrode cavity, the working electrode cable extends in the direction deviating from the first working electrode, and the loop electrode cable extends in the direction deviating from the first working electrode. By means of parameter design of a first groove and a second groove in the first working electrode and the first loop electrode and a second groove in the second working electrode and the second loop electrode, low-temperature cutting, ablation, gasification and electrocoagulation of human tissue under the soft endoscope are achieved, the surgical operation temperature is low, the tissue solidification layer can be controlled within 2mm, and the operation efficiency is high. And the problems of tissue carbonization and too deep electrocoagulation depth caused by high temperature of the existing electrode are effectively avoided.

The invention discloses a medical flexible endoscope cleaning and sterilizing device and a cleaning and sterilizing method.The medical flexible endoscope cleaning and sterilizing device comprises a medical flexible endoscope hanging frame, a cleaning cabin, a sterilizing cabin, a conveying assembly and a controller, and the cleaning cabin comprises a first mechanical arm assembly used for brushing the outer surface of an endoscope body of a flexible endoscope, a pressurized air water pump, a first spraying pipe and a second spraying pipe; an outlet of the first spraying pipe faces the outer surface of the mirror body; the medical soft lens hanging frame comprises a basket frame, a small water tank, a thin pipeline distributor and an inflatable water pump, the basket frame is used for containing a soft lens, a lens body is arranged in a drooping mode, and outlets of a plurality of pipelines are communicated with a biopsy opening, an air path opening and a water path opening in a soft lens handle; the sterilization cabin comprises a water tank used for containing a sterilizing agent, a first circulating pump, a third spraying pipe and a fourth spraying pipe, and an outlet of the third spraying pipe faces the endoscope body. According to the medical flexible lens cleaning and sterilizing device and the cleaning and sterilizing method provided by the invention, the purposes of fully cleaning the outer surface and the inner pipeline of the flexible lens body, thoroughly removing pollutants and more thoroughly sterilizing are achieved.

A flexible endoscope includes a flexible shaft and an ultrasound transducer. The shaft extends from a proximal end connected to a handle to a distal portion configured to be inserted into a living body to a site adjacent to target tissue to be treated. The shaft includes adjacent to a distal end thereof a port from which a tissue treatment device may be extended out of the shaft along a path. The transducer is within a housing coupled to a portion of the shaft extending distally of the port. The transducer is aimed so that the path passes through a field of view provided by the transducer to a user of the device. The transducer is movable relative to the port to broaden the field of view.

1. Name of the design product: Graphical user interface of the flexible endoscope system of an electronic device. 2. Use of the design product: An electronic device. 3. Design key points of the design product: Lies in the graphical user interface. 4. Picture or photograph that best shows the design key points: Front view. 5. Use of the graphical user interface: For shooting, displaying, image adjustment and control. 6. Description of the change states of the graphical user interface: Click the "System Information" button icon in the upper right corner of the front view, jump to the interface change state diagram, enter the system information interface, and display the time information, capacity information and system information sub-function interface of the system.

This invention relates to the field of ureteroscopic surgery technology, providing a disposable flexible cystoscopic, pyelonephric, and ureteroscopic system with intelligent temperature and pressure control functions. The system includes a disposable flexible endoscope body and an intelligent temperature and pressure control unit. The disposable flexible endoscope body includes a mid-section flexible insertion tube, a distal sensing lens tip, and a proximal operating handle. The distal sensing lens tip integrates an in-situ temperature and pressure measurement sensor, a miniature imaging module, an illumination fiber optic bundle, an instrument operating channel outlet, an irrigation channel outlet, and a suction channel outlet. Precise real-time monitoring is achieved through the in-situ temperature and pressure sensor at the tip, combined with dual-channel closed-loop control, keeping renal pelvic pressure fluctuations and temperature errors within a safe range, thus reducing the risk of infection and thermal damage at the source. The integrated structure eliminates the need for a pressure measuring sheath, resulting in less trauma and lower cost. Furthermore, the fully automated control significantly shortens the learning curve, greatly improving safety and practicality.

This utility model relates to the field of medical device technology and discloses a flexible endoscope, including a tube and a handle. The tube includes an outer tube and a snake-bone tube, a lens, a flexible working tube, and a rigid working tube disposed within the outer tube. The handle has a first interface at its front end and a second interface at its rear end. The first and second interfaces are respectively connected to the interior of the handle. The rear end of the outer tube is inserted into the first interface. The snake-bone tube is disposed within the front end of the outer tube. The front ends of the lens and the flexible working tube are disposed within the front end of the snake-bone tube. The rear end of the flexible working tube extends beyond the rear end of the snake-bone tube and is fixedly connected to the front end of the rigid working tube. The rear end of the rigid working tube extends beyond the rear end of the outer tube and passes through the first interface and the interior of the handle sequentially before being inserted into the second interface. This utility model ensures that the front end of the lens can bend normally while preventing bending in the middle of the tube.

1. Name of the Design Product: Endoscope Dryer. 2. Use of the Design Product: For drying flexible endoscopes. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1.

The invention discloses an endoscope control method and device based on a soft endoscope robot, and the method comprises the steps: detecting whether the actual conveying completion degree of an endoscope meets the requirement or not based on the deviation value between the actual displacement of the endoscope and the target displacement after an endoscope conveying instruction is received; if the actual delivery completion degree of the endoscope does not meet the requirement and the delivery friction force of the endoscope is greater than or equal to a friction force threshold value, an injection pump is controlled to increase the injection amount of mucus added to the surface of the endoscope, and a clamping motor is controlled to increase the clamping force on the endoscope, so that the front-end resistance is reduced, and the delivery force is increased; if the actual delivery completion degree of the endoscope does not meet the requirement and the delivery friction force of the endoscope is smaller than the friction force threshold value, the injection pump is controlled to reduce the injection amount of mucus added to the surface of the endoscope, so that the friction force is increased, and slipping is reduced. According to the flexible endoscope robot, the endoscope conveying performance of the flexible endoscope robot can be improved, and the displacement loss generated in the endoscope conveying process is reduced.

The utility model discloses a soft endoscope transport case, which contains a soft endoscope and comprises a case body, a suspension bracket, a fixing block and ultraviolet lamps, the suspension bracket, the fixing block and the ultraviolet lamps are arranged in the case body, the suspension bracket and the fixing block are sequentially arranged along the length direction of the case body, and the ultraviolet lamps are arranged at two ends of the case body along the length direction. An operation part of the soft endoscope and a plug part of the soft endoscope are both mounted on the suspension bracket, and a hose of the soft endoscope is mounted on the fixing block. According to the soft endoscope transportation box, the soft endoscope is placed in the transportation box after being cleaned and disinfected, the sterile requirement of the soft endoscope in the transportation process can be guaranteed, and meanwhile it can be guaranteed that the soft endoscope is not damaged in the long-distance transportation process.

This invention discloses a quick-change flexible endoscope actuator and transport device. The actuator includes a housing and a clamping and transporting mechanism disposed inside the housing. The clamping and transporting mechanism includes multiple rotating mechanisms arranged circumferentially, forming a transport channel for the flexible endoscope to pass through. Each rotating mechanism is equipped with a clamping action mechanism, which reduces the space of the transport channel formed by the rotating mechanisms to clamp or release the flexible endoscope. During operation, the rotating mechanisms move the clamped flexible endoscope back and forth. This actuator effectively prevents slippage, achieves continuous transport, and is compact, small in size, and lightweight. It is easy and quick to install and replace, adaptable to flexible endoscopes of various diameters, and protects the flexible endoscope during use, preventing damage due to excessive clamping force.