83 results about "Gastrointestinal Endoscopes" patented technology

The invention relates to the field of medical apparatuses, and discloses a gastrointestinal endoscope based medical apparatus. The medical apparatus comprises a gastrointestinal endoscope, flexible mechanical arms which are connected to the gastrointestinal endoscope, a plurality of driving ropes which are connected to the flexible mechanical arms and a power module which is connected to the driving ropes, wherein the driving ropes, which are driven by virtue of the power module, can stretch, so that the flexible mechanical arms are drawn to do independent motions relative to the gastrointestinal endoscope. According to the gastrointestinal endoscope based medical apparatus provided by the invention, by arranging the flexible mechanical arms which can become bent towards different directions under the driving of the power module, the surgical apparatus (the medical apparatus) can be driven to do independent motions relative to the gastrointestinal endoscope; in comparison with a mode of driving the surgical apparatus to move by virtue of the gastrointestinal endoscope, flexible steering of the surgical apparatus can be achieved according to the invention, so that motion precision of the surgical apparatus is guaranteed; and in addition, a space required by motion of the surgical apparatus can be diminished, and an application scope of the gastrointestinal endoscope can be expanded.

The invention relates to an intelligent colonoscopy and belongs to intelligent electronic medical instruments. A gastrointestinal endoscope is a very indispensable and important instrument for routine examination of digestive tract diseases. However, an existing colonoscopy has no digestive tract intervening operation function and is manually operated to cause harm to a patient. Due to the facts that the physical performance of the contact face between the colonoscopy and the inner wall of the gastrointestinal tract is improved and the friction coefficients between the colonoscopy and the inner wall of the gastrointestinal tract are increased, the colonoscopy can acquire safe, stable and reliable running power in the gastrointestinal tract. The self-adaptive curve of the colonoscopy corresponds to the curve of the gastrointestinal tract, so that scientific and accurate colonoscopy examination can be smoothly and conveniently finished in the situation without any pain risk for the patient. Thus, the medical safety is guaranteed, and the medical quality is improved.

The invention discloses a mucous membrane staining system. A first staining fluid bottle (1) is connected with a first connector of a first tee joint (5) through a first pipeline (3), a second connector of the first tee joint (5) is connected with a second staining fluid bottle (2) or a flushing fluid bottle (6) through a second pipeline (4), and a pump tube (7) is connected to a third connector of the first tee joint (5), installed on a first power device (8) and connected with a flushing tube (9) or / and a spraying tube (10). A first switching device (11) is connected between the first pipeline (3) and the second pipeline (4). The functions of gastrointestinal tract mucous membrane flushing cleaning and gastrointestinal tract mucous membrane staining are integrated and can be rapidly switched, several modes are provided for selection, the diagnosis and treatment efficiency of a gastrointestinal endoscope and comfort of a patient can be improved, missed diagnosis and misdiagnosis can be easily reduced, the examination rate of a digestive tract early cancer is increased, and meanwhile accurate treatment under the gastrointestinal tract endoscope is facilitated.

The invention discloses a gastrointestinal endoscope image anomaly detection method based on local feature and class label embedding constraint dictionary learning. Firstly, an original image is preprocessed; eXTRACTING REGIONS OF INTEREST, extracting color and texture features from the image data and fusing the color and texture features; a test set and a training set are constructed; establishing a dictionary learning model using an atomic class label embedding item and a Profiles structural feature constraint item, inputting the training set matrix into the model for solving and iterative updating, respectively training a dictionary and a coding coefficient matrix, and obtaining classifier parameters by using the coding coefficient matrix and a mark matrix of the training sample; and finally, for a test image, obtaining a sparse coefficient and a prediction label thereof through an orthogonal matching pursuit algorithm, and classifying various disease images by comparing the label of the reconstructed test set with the label of the original test set. According to the invention, classification of different lesion images of the gastrointestinal endoscope can be realized; endoscopic diseases can be effectively classified.

Disclosed is a gastrointestinal endoscope, including a deflectable direction-change tube, which consists of plural ring units, each having a hollow section. Adjacent ring units are spaced by a predetermined distance, having opposing end faces between which at least two integrally formed connectors are provided to connect the adjacent ring units together. An end of the deflectable direction-change tube is operatively coupled to a direction-change operation device and an opposite end coupled to a capsule endoscope clamping structure. At least one control wire extends through a bore of the deflectable direction-change tube and connected between the direction-change operation device and the capsule endoscope clamping structure. By operating an operation capstan to have the control wire pulling the capsule endoscope clamping structure, the deflectable direction-change tube is controlled to change direction, thereby changing direction of a capsule endoscope retained by the capsule endoscope clamping structure.

The invention discloses a collector of a polyp removing gastrointestinal endoscope. The collector of the polyp removing gastrointestinal endoscope comprises a suction main pipe (1) and a recovery bottle (2). One end of the suction main pipe (1) is connected with a port of a gastrointestinal endoscope host suction pipe and the other end of the suction main pipe (1) is connected with the recovery bottle (2). The recovery bottle (2) is further connected with a negative pressure suction pipe (3). The collector of the polyp removing gastrointestinal endoscope is characterized in that the suction main pipe (1) is connected with a branch suction pipe (4) provided with a bypass shunt. The inlet end (41) of the branch suction pipe (4) is provided with a three-way valve (5). The outlet end (42) of the branch suction pipe (4) is provided with a filtering net (6). The collector of the polyp removing gastrointestinal endoscope is simple in structure, low in manufacturing cost, convenient to install and use, capable of rapidly taking out a polyp, short in full-process operation time, needless of plugging and unplugging the endoscope by many times, capable of effectively relieving pain of patients and capable of ensuring integrity of a polyp sample and does not affect the operation of removing the polyp.

The invention belongs to the technical field of intelligent processing of medical images, and specifically relates to a method of detecting and identifying lesions of a gastrointestinal endoscope, based on a sliding window. Early screening through endoscopy is an effective means of reducing the morbidity and mortality of cancers of the digestive tract. In traditional diagnostic methods, the diagnosis of a doctor is entirely a subjective judgment process, so that diagnosis is limited and influenced by the experience and knowledge level of the diagnostic doctor. Therefore, the method of detecting and identifying lesions of a gastrointestinal endoscope, based on a sliding window includes the steps: applying deep learning to lesion detection of a gastrointestinal endoscope, making a sample based on the frame of a lesion area marked by a doctor, and training a classifier; and proposing a candidate area in a gastrointestinal endoscope image to be detected, inputting the candidate area into the classifier, and performing post-processing on the classification result to achieve the purpose of lesion detection. The experiment result shows that the method of detecting and identifying lesionsof a gastrointestinal endoscope, based on a sliding window can accurately detect the lesion position of the gastrointestinal endoscope image so as to provide a reference for the doctor, thus showing that the artificial intelligence-assisted diagnosis and treatment of early digestive tract cancer has irreplaceable superiority.

The invention belongs to the medical technology assistance field, and relates to a real-time scoring system and method for gastrointestinal endoscope operation level. The real-time scoring system forgastrointestinal endoscope operation level includes a client and a server side, wherein the client is used for monitoring and uploading images collected by a current gastrointestinal endoscope devicethrough the network, the time of operation, and the number of endoscope reversing and return, receiving and displaying the results of scoring in real time; and according to the gastrointestinal endoscope images collected from the client, the server side scores the operation of a doctor by analyzing the features of parts, the operation time, and the visual field definition index, and feeds the result back to the client. Through the real-time scoring system for gastrointestinal endoscope operation level, the gastrointestinal endoscope operation process of the doctor is scored and displayed on the client; the doctor's operation level is quantitatively expressed objectively and directly; and the doctor is more aware of the skill level and stimulating the endoscope physicians to learn from eachother so as to constantly improve the level of operation.

The invention discloses a collecting device for resected specimens under a gastrointestinal endoscope. The device comprises a base, a sleeve plate is rotationally connected to the left side face of the base, cutter shafts are arranged in four shaft holes formed in the edge of the base, blades are fixed to the right end faces of the cutter shafts, and gears are fixed to the left end faces of the cutter shafts. The collecting device for the resected specimens under the gastrointestinal endoscope is simple in structure, tissue at the specimens is absorbed through a negative pressure pipe, cuttingand separating are conducted through rotation of the blades, the specimen tissue is absorbed in the negative pressure pipe, operation is easy, the position of the negative pressure pipe can be adjusted, the specimen tissue is absorbed conveniently, rotation of the blades is controlled through movement of the negative pressure pipe, swing of the negative pressure pipe and the blades is controlledthrough electromagnets, convenience is brought to operation, cutting of the specimen tissue can be achieved rapidly, the separation effect is good, adhesion does not occur, convenience is brought to extraction, the device is suitable for collection of focus tissue under the gastrointestinal endoscope, and subsequent diagnosis and treatment are facilitated.

The invention relates to the field of medical equipment and discloses a gastrointestinal endoscope structure with a mechanical arm and a gastrointestinal endoscope platform. The gastrointestinal endoscope structure comprises a gastrointestinal endoscope with a tail end, the mechanical arm and an outer sleeve with a channel hole. The mechanical arm and the tail end are in abreast arrangement, and the outer sleeve sleeves the tail end and the outer side of the mechanical arm to connect the mechanical arm to the tail end. The gastrointestinal endoscope structure can be used with an existing gastrointestinal endoscope, flexible assembly of the gastrointestinal endoscope and the mechanical arm is realized on the premise that an existing gastrointestinal endoscope structure is unchanged, and accordingly reduction of system research and development cost and subsequent popularization cost is benefited.

The invention discloses an examining table with adjustable height for the gastrointestinal endoscope department. The examining table comprises an adjusting block, a connecting plate, a hydraulic rod and a bed plate, wherein the right side of the adjusting block is provided with a supporting rod, the lower portion of the supporting rod is provided with a fitting block, the upper portion of the connecting plate is fixedly provided with a supporting block, the connecting plate is located above the connecting block, the inner side of the supporting block is provided with a rotating block, the right side of the rotating block is provided with a first rotating rod, a hydraulic machine is arranged under the first rotating rod, a fixing screw is arranged under the hydraulic machine, and a first fixing rod is arranged below the fixing screw. The examining table with the adjustable height for the gastrointestinal endoscope department has the advantages that through the arrangement of the first rotating rod, second rotating rod, hydraulic machine, hydraulic rod and groove, the hydraulic machine is started to drive the hydraulic rod to expand and contract, the hydraulic rod expands and contracts the second rotating rod upwards through the groove, and the second rotating rod expands and contracts the bed plate upwards, thereby adjusting the height of the bed plate to provide convenience forthe treatment of a patient.

The invention discloses a multifunctional pathological tissue embedding box, which is provided with a box body (1) for placing a tissue specimen and a box cover, wherein the box body (1) is a concave groove formed by a bottom surface and four side surfaces, the bottom surface is provided with louvers (2) and is further provided with at least two sinking wells (3), the inner diameter of each sinking well (3) is 0.5-2 cm, the depth is 0.2-1 mm, the well edge of each sinking well (3) is provided with an annular groove (4), the well bottom of the sinking well (3) is provided with a plurality of through holes (5), the distance between the through holes (5) is 0.2-1 mm, separated tissue placement chambers (6) are correspondingly arranged on the sinking wells (3), and the bottom end of the tissue placement chamber (6) is just inserted into the annular groove (4). According to the multifunctional pathological tissue embedding box, with the structure, multi-purpose-in-one-box can be achieved, dehydration embedding on conventional tissues, small tissues and gastrointestinal endoscope tissues can be achieved, the embedding efficiency of paraffin can be fundamentally improved, and the case analysis speed can be increased.

The invention discloses a gastrointestinal endoscope polyp removal auxiliary collector and method. The auxiliary collector comprises a storage box, a control screen, pull-back winding machines, steel wire ropes, a gastroscope tube and a removal device, the control screen is installed on a shell at the upper end of the storage box, a polyp storage chamber is arranged in a central shell of the storage box, the gastroscope tube is installed on the shell wall of the left side of the storage box, a removing device is arranged in a tube shell at the left end of the gastroscope tube, a removing assembly, a positioning assembly and a U-shaped conveying tube are arranged in the removing device, pull-back winding machines are installed on the right sides right corresponding to two ports of the right side of the U-shaped conveying tube,double-layer guide rods which are horizontally arranged up and down are installed in the U-shaped conveying tube, the double-layer guide rods are sleeved with a plurality of sets of collecting boxes arranged at equal intervals, the collecting boxes are tightly connected through the steel wire ropes, the two ends of the collecting boxes are connected with reels in the corresponding pull-back winding machines respectively, and a feeding port is formed in the arc-shaped pipe face of the left side of the U-shaped conveying tube.

The invention discloses an epiphyseal plate bone bridge removing device. The device comprises an operation part, an insertion part, a bent part, a front end part, a light guide hose, a light guide plug rod part, a drill bit, a lens, a light hole, a universal flexible shaft, an angle steel wire, a light guide bundle, an image guide bundle, an angle knob and an electric hand drill, wherein the frontend of the operation part is sequentially connected with the insertion part, the bent part and the front end part; the drill bit, the lens and the light hole are arranged on / in the end face of the front end part; the light guide hose and the angle knob are arranged on the side surface of the operation part; the detachable electric hand drill is arranged at the rear end of the operation part; andthe universal flexible shaft, the angle steel wire, the light guide bundle and the image guide bundle are arranged in the insertion part. The design principle of the epiphyseal plate bone bridge removing device is similar to that of a gastrointestinal endoscope, namely an instrument is carried by the insertion part to enter the body to operate a focus part, integrated combination of direct visionand surgical operation is achieved, and the angle of the lens and the angle of the drill bit can be flexibly adjusted during operation, so that the epiphyseal plate bone bridge is effectively and accurately removed.

The invention discloses a visual field enhancement system (ESCGV) for gastrointestinal endoscope diagnosis and treatment. A liquid delivery tube (2) is led out from a washing bottle (1), and the liquid delivery tube (2) bypasses a first peristaltic pump ( 3). The washing bottle (1) is also equipped with a stirring and heating subsystem capable of stirring and heating the washing liquid inside. The invention also discloses a method for enhancing the clarity of the visual field of gastroenteroscopy diagnosis and treatment, which comprises 1) adding a washing liquid into the washing bottle; 2) magnetically stirring the washing liquid in the washing bottle; meanwhile, heating the washing liquid; 3) The temperature of the rinsing liquid is 25-37°C; 4) The steps of sending the rinsing liquid into the observation window of the gastroenteroscope. The invention can significantly enhance the clarity of the visual field under the gastroenteroscope, is simple and convenient to operate, can greatly reduce missed diagnosis and misdiagnosis, and can significantly improve the treatment quality of the gastroenteroscope.

The invention discloses a capsule robot leg device for gastrointestinal endoscope diagnosis and treatment. The capsule robot leg device comprises a structure having extension springs arranged at the extension ends of adjacent legs of a leg type capsule robot to connect a group of extension legs, and driven legs which are not directly driven and extend by means of spring force are arranged betweentwo driving legs, directly driven by an internal mechanism of the robot, in the group of legs to simplify a leg driving mechanism. In the state that the legs of the robot are extended and the springsare stretched, the intestinal tract can be better expanded on the basis of reducing the damage to the intestinal tract so as to facilitate disease examination during fixed-point staying; in the statethat the legs of the robot are extended and the springs are stretched, the rotating action of a radially magnetized magnetic shell driven by external magnetic force is matched to rub and scratch the intestinal wall in contact with the springs, so that part of intestinal juice or tissue lesions is collected into the springs, and substances stored in the springs are sealed in the springs after the legs are contracted and the springs are tightened, so that biopsy sampling is realized.

The invention discloses a gastrointestinal endoscope polyp removal collector. The collector comprises a transparent tube, wherein the two ends of the transparent tube are connected with an absorption cover and a negative pressure device respectively, the transparent tube is connected with a collecting device between the absorption cover and the negative pressure device, the collecting device comprises an inner tube, a plurality of collecting tubes are connected to the interior of the inner tube, filter screens matched with the transparent tube are arranged in the collecting tubes, an outer tube is rotationally connected to the outside the inner tube, the outer wall of the inner tube is matched with the inner wall of the outer tube, the bottom of the inner tube is connected with the inner bottom wall of the outer tube through a spring, and a handle extending out of the outer tube is downwards arranged at the bottom of the inner tube. Compared with the prior art, the collector has the advantages that the structure is simple, polyps can be rapidly removed, and the polyps can be filtered and collected respectively.

The invention relates to the field of medical apparatuses and instruments, and discloses a flexible surgical instrument device. The flexible surgical instrument device comprises an instrument box, a branch unit and a tail end unit; the branch unit stretches out from an outlet of the instrument box, the tail end unit is connected with the stretching-out end of the branch unit, and a driving moduleis arranged in the instrument box, wherein the driving module is composed of a plurality of joint driving parts and a single integrated driving part, each joint driving part is connected with two spring tubes, the integrated driving part comprises a center shaft and a center branch, and the branch unit comprises an elastic tube and a center branch. The device can be adopted as a gastrointestinal endoscope tail end auxiliary device and can installed at the tail end of the gastrointestinal endoscope, rapid switching and flexible bending can be achieved, and the surgical instrument can freely andflexibly move in the endoscope treatment process.

The invention discloses a stitching instrument for a gastrointestinal endoscope and an operation method thereof. The stitching instrument for the gastrointestinal endoscope comprises a lens sleeve, aconnecting rod, an outer rail, an inner sliding ring, a stitching needle, a stitching needle driving device and a stitching line, and the outer rail is fixedly arranged at the front end of the lens sleeve through the connecting rod; a sliding groove is formed in the outer rail, and two inner sliding rings are arranged in the sliding groove in a sliding mode. A first reset spring is arranged between the two inner sliding rings, and a sliding groove is formed in the inner side face of the outer rail. A suture needle driving device is arranged in the inner slip ring; a suture needle sliding groove is formed in the inner sliding ring in a penetrating mode along an arc, and a receding groove is also formed in the inner side face of the inner sliding ring. The suture needle is arranged in the suture needle sliding groove in a sliding mode and driven by the suture needle driving device to rotate along the suture needle sliding groove. The stitching instrument has the innovation points that the device capable of directly using the gastrointestinal endoscope to perform surgical suturing on visceral organs which can be touched by gastrointestinal endoscopes such as human gastrointestinal tracts is provided for digestive endoscopic surgery, and the gastrointestinal endoscope can be directly used for suturing the visceral organs such as the gastrointestinal tracts through the device.

The invention discloses a gastrointestinal medical image multi-classification method based on a variance filtering algorithm. The gastrointestinal medical image multi-classification method comprises the following steps of 1) firstly, performing feature extraction on an input gastroscope picture and an input enteroscope picture, 2) carrying out normalization and dimension reduction processing on the extracted features, 3) fusing the features in pairs to obtain six groups of new features, 4) performing 10-fold cross validation on each group of features by adopting a LinearSVC multi-classification algorithm to obtain the maximum accuracy and four corresponding weights of each feature, 5) putting the weights of the features together to calculate a variance, and then sorting the features according to the variance, 6) carrying out IFS-LinearSVC multi-classification on the sorted features to obtain an accuracy rate acc and used features, and 7) selecting two feature fusion methods with relatively high accuracy as classification models, and carrying out multi-classification on the gastrointestinal endoscope medical image. According to the method, iconography evaluation can be carried out more accurately, the repeatability is high, the working efficiency can be remarkably improved, and misdiagnosis and missed diagnosis are reduced.

The invention discloses a multifunctional examination bed for a gastrointestinal endoscope, and belongs to the technical field of medical equipment. The multifunctional examination bed comprises a bedframe, a mattress and bed legs, wherein rectangular grooves are symmetrically formed in the middle of the left side of the mattress; round pipes are welded to the positions, located in the middles ofthe rectangular grooves, of the bed frame; symmetrical square grooves are formed in the middle of the right side of the mattress; auxiliary supporting devices are arranged in the rectangular grooves;each auxiliary supporting device comprises a head supporting device and a leg supporting device; each leg supporting device comprises a moving rod and an arc-shaped supporting leg support; each headsupporting device comprises a semicircular head cushion and a square rod; and the moving rods and the round pipes are fixed through screwing bolts. The multifunctional examination bed solves the technical problems of functional defects, high function realization cost and high maintenance cost of an existing medical bed, and is mainly applied to gastrointestinal endoscope surgeries.

The invention discloses a device for quickly cleaning an gastrointestinal endoscope. A motor A is arranged at the bottom of a box body, a motor shaft A is arranged at the output end of the motor A, the interior of the box body is connected with a cleaning barrel through a plurality of supporting rods, and the multiple supporting rods are annularly arranged on the outer side of the motor shaft A atequal intervals; the motor shaft A rotationally penetrates through the lower side wall of the cleaning barrel, the gastrointestinal endoscope needing to be cleaned can be grabbed and fixed through the fixing claws, after grabbing and fixing, the motor A can be controlled to work through external control, the motor A can drive the motor shaft A to rotate when working, and the telescopic rod can bedriven to rotate together while the motor shaft A rotates. The external controller can control the telescopic rod to work, the telescopic rod works to enable the fixing claw to be subjected to position adjustment in the box body, the spray-washing head can conduct spray-washing on the gastroenteroscope on the fixing claw, and when the fixing claw enters the washing barrel, the auxiliary washing device can wash one part of the gastroenteroscope on the fixing claw.

The invention relates to a fluorophor positioning device for jointly positioning and excising a diseased region by a gastrointestinal endoscope and a peritoneoscope, which is characterized in that the device is formed by a fluorophor base layer (4), a fluorophor layer (3), a protection layer (2) and a connecting, positioning and fixing mechanism, wherein the fluorophor layer (3) is arranged on the periphery of the fluorophor base layer (4); the protection layer (2) is arranged on the periphery of the fluorophor layer (3); the connecting, positioning and fixing mechanism is arranged on a horizontal central line of the fluorophor base layer (4) and the fluorophor layer (3); the fluorophor base layer (4) and the fluorophor layer (3) are designed to be oval spheres; and a through hole of a fine and long shaft (7) capable of penetrating through the connecting, positioning and fixing mechanism is arranged in the direction of a long axis of the oval sphere of the fluorophor base layer (4), and the size of the oval sphere is 1 cm*3 cm (the long axis*a short axis). The technology has the characteristics of simple structure, convenience for use, and capability of effectively solving the problem of accurately and timely positioning a focus in a gastrointestinal tract operation and the like.

The invention discloses a magnetic control non-contact capsule gastrointestinal endoscope which comprises a hose and a capsule body containing medicine, wherein three magnets are arranged at one end of the capsule body and connected with the capsule body through silica gel, three coils with the same number as the magnets are arranged outside a patient body, the coils are used for generating a gradient magnetic field and a uniform-intensity rotating magnetic field, moving directions of the three magnets are controlled through the gradient magnetic field and the uniform-intensity rotating magnetic field, one magnet controls the capsule body to move, and the other two magnets are used for driving the capsule body to rotate and crushing the capsule body to achieve drug delivery. The capsule gastrointestinal endoscope is particularly suitable for examination of digestive system diseases, the uniform-intensity rotating magnetic field is used for controlling the multiple small magnets installed in the capsule gastrointestinal endoscope in a patient body, and therefore the advancing direction and posture of the capsule gastrointestinal endoscope are changed to achieve the purposes of beingcontrollable in running direction of the capsule gastrointestinal endoscope and targeted drug treatment.

The invention discloses an LED light source for medical endoscopic spectral staining illumination. The LED light source comprises an LED light source assembly, an LED driver, a combined controller, a power supply, a fan, an air pump, a light-guiding rod and a combined color lens; a white light LED has the wavelength of 400-780nm, a red light LED has the wavelength of 617-630nm, a green light LED has the wavelength of 520-530nm and a blue light LED has the wavelength of 450-460nm. The invention further discloses an illumination method. The illumination method comprises the following steps: mixing lights of the white light LED, the red light LED, the green light LED and the blue light LED; controlling the color temperature and the intensity of the white light LED, the red light LED, the green light LED and the blue light LED for illumination. During the application of a high-color temperature and high-color rendering index white light source used by a high-definition electronic gastrointestinal endoscope as well as an intelligently-arranged pigment spectral light source for special diagnosis to conventional endoscopic observation and treatment as well as early cancer observation and diagnosis of a digestive tract and other organs, needs are met.

The invention relates to a sampling device for a gastrointestinal endoscope. The sampling device comprises a control device, a bendable sleeve and a driving wire, wherein one end of the bendable sleeve is connected with the control device; the driving wire is movably arranged on the inner side of the bendable sleeve, and one end of the driving wire is in driving connection with the control device. The sampling device for the gastrointestinal endoscope further comprises a fixed seat and a sampling ring; the fixed seat is fixedly connected with the other end of the bendable sleeve, and the fixed seat is provided with a fixed part; and the sampling ring is fixedly connected with the tail end of the driving wire, the sampling ring is arranged at one end of the fixed seat in a bending manner, and one end of the sampling ring is fixedly connected with the fixed part. The sampling ring which is unfolded in the shape of a butterfly is telescopically and movably arranged on the fixed seat, so that the whole sampling ring can directly face a lesion in the use process, the lesion part can be quickly searched, and the lesion part can be quickly extracted for sampling.

The invention discloses a gastrointestinal-endoscope drug-delivery device. The gastrointestinal-endoscope drug-delivery device comprises a fixed cover and a rotary seat and is characterized in that a slide groove is arranged in the inner side of the fixed cover, the rotary seat is provided with a boss corresponding to the slide groove, the fixed cover and the rotary seat are slidably connected through the slide groove and the boss, a mounting plate is arranged at the top end of the fixed cover, a motor is arranged at the bottom end of the mounting plate, a fixing plate is arranged at the top end of the rotary seat, the output shaft of the motor is fixedly connected with the fixing plate, a transfer bin is arranged in the inner cavity of the rotary seat, and a connecting pipe is arranged on the lateral side of the transfer bin. The gastrointestinal-endoscope drug-delivery device has the advantages that a switch group can be controlled to allow the motor to work according to image information collected by a camera, the position of a nozzle is allowed to correspond to the lesion area of a patient, drug liquid in a drug storage box can be sprayed from the nozzle through a booster pump to allow the drug liquid to directly reach the lesion area, medical staff can conveniently perform treatment on the patient, and use convenience is brought to the medical staff.

The invention discloses a cap-shaped blunt stripper special for a gastrointestinal endoscope. The stripper comprises a cap-shaped shell, a blunt stripping boss is arranged in the middle in the cap-shaped shell, and a bottom cover is connected to the lower side of the cap-shaped shell through hexagon socket-head cap screws; a camera is arranged in the middle of the upper side of the blunt strippingboss, four or more illumination lamps are arranged at the side, close to the camera, of the blunt stripping boss, three or more arc stripping plates distributed with the equal angle are arranged at the side, close to the illumination lamps, of the blunt stripping boss, and three or more toothed stripping plates distributed with the equal angle are arranged at the side, close to the arc strippingplate, of the blunt stripping boss; convenience is provided for medical staff to observe during stripping through the camera and the illumination lamps, stripping on a patient is facilitated through the cooperation of the arc stripping plates and the toothed stripping plates, the blunt stripping boss automatically draws back under the elastic function of a spring, the safe protection on the tissuein the body of the patient is facilitated, and the operation is convenient.

The invention discloses a minimal pain clinical gastrointestinal endoscope. A front camera, a rear camera and a main seat component are all arranged in a high-elasticity peristaltic balloon; a circuitcontroller is arranged in the main seat component; both the front camera and the rear camera are arranged respectively at two ends of the main seat component through a rotary component and a drivingcomponent in hinged manner, the front camera and the rear camera are driven by their respective driving components to rock so that the front and rear ends of the high-elasticity peristaltic balloon deform and creep to move the endoscope, and the high-elasticity peristaltic balloon is made of transparent material. The minimal pain clinical gastrointestinal endoscope is simple in structure and convenient to use, allows painless examination, can be swallowed like a capsule gastroscope during examination and be directionally controlled by controlling the rocking of the cameras so that examinationpositional accuracy is greatly improved, and can provide greatly improved comprehensiveness in examination and reduced pain for patients.

The invention discloses a medical mask with an operation opening. The mask comprises a mask body, the upper end of the mask body is provided with a pipe orifice, the peripheral edge of the lower end of the mask body is provided with an annular mask airbag which sealingly matches with the peripheral edge of the lower end of the mask body, the mask airbag is provided with an air tap extending downwards, the upper end of the mask body is provided with an operation opening corresponding to the human body mouth, the operation opening is provided with a extends downwardly with a tooth pad tube, andthe tooth pad tube is detachably fitted with an gas leak-proof sealing valve used for sealingly matching with a gastrointestinal endoscope body. The mask enables patients to perform oral surgery or endoscopy while performing oxygen supply or anesthesia.