15 results about "Endoscopic resection" patented technology

The invention relates to a multi-view fusion cervical cancer precancerous lesion image classification method based on self-supervised learning, and the method comprises the steps: collecting video screenshot data of a prostate endoscopic resection operation, and carrying out the preprocessing, and obtaining an optimized model weight; a second visual Transform model and a third visual Transform model which are optimized are obtained, and the second visual Transform model and the third visual Transform model which are optimized are obtained; and carrying out weighted fusion on the classification result of the colposcope acetic acid picture of the precancerous lesion and the classification result of the colposcope iodine picture of the precancerous lesion to obtain a final classification result. According to the method, a self-supervised learning method is introduced, and a large amount of label-free medical picture data is utilized, so that the generalization ability and classification accuracy of a ViT model, namely a visual Transform model, in cervical cancer precancerous lesion classification are improved; according to the method, efficient auxiliary diagnosis of CIN grading is achieved, especially in areas with limited medical resources, an efficient and low-cost solution is provided for automatic screening, doctors are helped to improve the diagnosis accuracy, the missed diagnosis rate is reduced, and important technical support is provided for early cervical cancer prevention.

The utility model relates to the technical field of medical instruments, and discloses a digestive endoscopy resection specimen recycling bag, which comprises a handheld device and a recycling bag, and one end of the handheld device is connected with a sleeve; the supporting ring at the end of the pull rod and the recycling bag arranged on the periphery of the pull rod in a sleeving mode are shrunk to the end of the recycling hole, and then the opening of the end of the recycling bag is tightened, so that the opening of a sample subjected to endoscopic resection is tightened in the recycling bag, and the sample subjected to surgical resection is transferred in a closed mode; according to the device, falling and extrusion deformation and breakage of samples and instruments in the carrying process are avoided, the recovery bag can be unfolded with the pull rod and the supporting ring through sliding of the movable block, synchronous recovery of the excision samples of the digestive system department operation is achieved, meanwhile, multiple samples of the same operation site can be collected synchronously, secondary endoscope entering recovery is avoided, and use is convenient and fast.

The invention provides a tumor endoscopic resection difficulty prediction system based on detection data, and belongs to the field of tumor detection. The problem of inaccurate prediction of the tumor excision difficulty is solved; specifically, the medical record acquisition module acquires tumor reference data; the medical record analysis module is used for calculating standard treatment time and a treatment time equation of each tumor; the difficulty analysis module is used for calculating a judgment equation of each tumor; obtaining a medical examination report of the patient, determining the treatment difficulty of the tumor type of the patient, and obtaining the medical examination report; the doctor interaction module is used for feeding back the medical examination report to a doctor; continuously acquiring a medical examination report of the patient, and generating the medical examination report; by acquiring, processing and analyzing the related data of the tumor patient, the tumor type, the treatment difficulty and the treatment sequence of the patient are determined, and a doctor can conveniently perform a tumor endoscopic resection operation.

This invention discloses a method and apparatus for endoscopic resection. The apparatus includes at least two components (including a puncture tip and an optional stop) and a coiled central portion connecting the at least two components. A first component is attached to one mucosal edge of the lesion, and a second component is attached to another mucosal edge of a catheter. Releasing the apparatus and allowing the central portion to coil pulls the first and second components together to contract and compress the lesion, thereby reducing the size of at least one lesion. A deployment catheter for releasing the apparatus onto the lesion includes an outer catheter and an inner catheter with a mechanism for delivering the resection device.

The invention relates to the field of biomedical materials, and discloses a sodium glucosamine carboxylate gel which is characterized by comprising the following components in percentage by weight / volume: 1%-2% w / v of sodium hyaluronate, 0.5%-1% w / v of polyacrylic acid, 5%-10% w / v of glycerol, 0.1% w / v of EDTA-2Na, 1%-2% w / v of calcium chloride, 0.5% w / v of sodium carboxymethyl cellulose, 1%-3% w / v of sodium glucosamine carboxylate, 0.5% w / v of PLGA nanoparticles and the balance of purified water. The anti-adhesion hemostatic agent has remarkable hemostatic, wound healing and anti-adhesion effects after endoscopic resection, can be injected and sprayed, and has wide application potential in endoscopic surgery.

The invention relates to an endoscopic resection cap with a built-in oscillating detacher. The endoscopic resection cap may include a housing and an arm. The housing may be configured for engagement around an outer circumferential surface of an endoscope and may include a first cavity. The arm may include at least one cutting surface and may be movably received within the first cavity. The arm may be configured to perform a first predetermined motion at least along a first plane at a predetermined frequency.

A medical device for facilitating minimally invasive surgery may include a housing and an arm. The housing may be configured to engage around an outer circumferential surface of an endoscope and may include a first cavity. The arm may include at least one cutting surface and may be movably received within the first cavity. The arm may be configured to perform a first predetermined motion at a predetermined frequency at least along a first plane.

The invention discloses a digestive endoscopy resection specimen collecting device in the field of medical instruments, which comprises a negative pressure assembly, a collecting assembly and a controller, and the negative pressure assembly comprises a negative pressure tube and a negative pressure generator; the collecting assembly comprises a shell, a mounting cavity is formed in the shell, one end of the shell communicates with the negative pressure pipe, the mounting cavity is fixedly connected with a plurality of vertical plates, sliding grooves are formed in the tops of the vertical plates, vertical rods are arranged in the sliding grooves in a sliding fit mode, and cutting assemblies are installed on the vertical rods. The cutting assembly comprises a baffle, an electric cutter is installed on the outer side of the baffle, a channel is formed in the vertical plate, a sliding block is in sliding fit in the channel, and the sliding block and the vertical rod are directly connected with a flexible connecting piece; the controller controls the power and starting and stopping of the negative pressure generator, and after the sample with the required size is adsorbed in the shell, the controller starts the electric cutter to cut off the sample. The problems that a traditional collecting device is long in operation time, low in excision accuracy, poor in specimen stability, tedious in operation and low in excision efficiency of large-shaped specimens are solved.

A medical device for facilitating a minimally invasive surgical procedure may include a housing and an arm. The housing may be configured for engagement around an outer circumferential surface of an endoscope and may include a first cavity. The arm may include at least one cutting surface and may be movably received within the first cavity. The arm may be configured to perform a first predetermined movement along at least a first plane at a predetermined frequency.

The present application belongs to the technical field of tumor diagnosis system, and particularly relates to a CLE combined with ME-NBI multi-modal endoscopic image early esophageal cancer grading and treatment decision system. The system comprises an image access module, an ME-NBI lesion coordinate establishment module, a CLE sampling point mapping module, an image evidence stratification module, a cross-modal feature recording module, an image grade determination module, an auxiliary path prompting module and a result output module. Based on the lesion outer edge line, the longest diameter axis and the like, the CLE sampling points are mapped to the corresponding coordinate positions, and the image quality grades and the like are generated. According to this, the lesion image grade label, the evidence credibility mark, the review prompt mark and the auxiliary path prompt label are outputted. The macroscopic endoscopic observation and the microscopic CLE sampling form a spatial corresponding relationship, the traceability of the early esophageal lesion grading result is improved, and the auxiliary basis for review sampling, additional biopsy, endoscopic resection or comprehensive treatment evaluation is provided.

The invention relates to the technical field of medical instruments, and discloses a sterile liquid dressing, a sterile liquid dressing product and a preparation method of the sterile liquid dressing, and the sterile liquid dressing is prepared from the following components by taking the total mass of the liquid dressing as 100wt%: 0.1 wt%-3wt% of sodium carboxymethyl cellulose, 0.5 wt%-5wt% of glycerol and 0.1 wt%-1wt% of hyaluronic acid. According to the invention, a liquid pad which is not easy to disperse is formed before endoscopic excision or stripping for early cancer or precancerous lesions such as polyp, intraepithelial neoplasia and the like of the digestive tract wall, the boundary of the lesions is well exposed, and treatment is facilitated; after the focus is cut off, wound covering protection, hemostasis and tiny damage repair are facilitated.

To provide a medical device for facilitating a minimally invasive surgical procedure.SOLUTION: An endoscopic resection cap 100 may include a housing 102 and an arm. The housing may be configured for engagement around an outer circumferential surface of an endoscope and may include a first cavity 108. The arm may include at least one cutting surface 125 and may be movably received within the first cavity. The arm may be configured to perform a first predetermined movement along at least a first plane at a predetermined frequency.SELECTED DRAWING: Figure 1

The utility model discloses a digestive endoscopy resection specimen collecting device which is characterized in that an inlet connecting pipe and a discharge connecting pipe are arranged on the two sides of a collecting box respectively, an air guide plate is arranged in the collecting box and used for enabling a negative pressure suction route to be from the inlet connecting pipe to the discharge connecting pipe, and a collecting hopper is arranged at the bottom of the collecting box; the supporting frame is inserted into the collecting box, and sterile gauze is arranged in the supporting frame; and the specimen bottle is arranged below the collecting hopper. The inlet connecting pipe is connected with a suction pipe arranged in the digestive endoscope, the discharge connecting pipe is connected with a connecting port of a suction device, the suction pipe of the digestive endoscope sucks a specimen into the collecting box, and the specimen falls to the lower portion of the collecting box under the guiding effect of an air guide plate and enters a specimen bottle through a collecting hopper and a connecting nozzle. The collection of the specimens is completed, tedious specimen taking-out operation is avoided, manpower is saved, the external world is prevented from making contact with the specimens, and the probability that the specimens are damaged and polluted is reduced.

The application discloses a wire snare for use under a digestive endoscope, which comprises a snaring device and an operating assembly. The snaring device comprises a resin clamp, a spring, a connecting hole, a metal wire and a baffle. The spring is installed on the resin clamp. The resin clamp is provided with the connecting hole for fixing the metal wire. The end of the resin clamp is provided with the baffle. The operating assembly comprises a snaring device base, a resin clamp operating rod, a resin clamp loose clamp rod, a resin clamp operating rod handle and a metal wire operating handle. The device can make up for the shortage of the traditional snare. When the resin clamp is fixed to the intestinal wall mucosa, the other end of the metal wire is made to surround the polypus bottom through the metal wire operating handle. After being tightened, the metal wire connected with the resin clamp forms a closed loop. In the case of power supply, the polypus as large as possible or the polypus with a more tricky position can be removed under the endoscope. The device is convenient and fast, improves the operation efficiency and the safety of the operation of the patient.