11 results about "Serous membrane" patented technology

The present invention discloses a disposable sterile multi-serous cavity effusion drainage device, which is provided with an introducer and an inner tube; the introducer is a bullet-shaped cylinder, the lower part of the cylinder is provided with a conical tip with external threads, and an axial disconnection seam is arranged on the peripheral wall of the conical tip, the disconnection seam disconnects the wall of the conical tip, the inner tube is slidably placed in the inner cavity of the introducer, and the lower end of the inner tube is located in the lower part of the inner cavity of the conical tip. Its beneficial technical effects are: simple structure, convenient operation, enabling the effusion in the patient's organ to enter the effusion box through the inner tube and the drainage tube, having the characteristics of shortening the drainage treatment operation time, reducing the pain of the patient, improving the medical operation efficiency and reducing the cost.

The invention discloses a bipolar high-frequency electric snare, which relates to the field of medical equipment and comprises a ferrule assembly and one or more sleeves, and the sleeves are used for fixing the ferrule assembly. By the adoption of the bipolar snare, current can form a loop, instrument short circuit can be avoided, damage to an intestinal wall serosa layer can be reduced, the possibility of complications such as bleeding and perforation can be reduced, and the bipolar snare has the advantages of being easy to maintain, disassemble, assemble and adjust parameters due to the adoption of the modular design. The invention aims to provide the bipolar high-frequency electric snare which has the advantages of cooperative operation, high operation precision and modular design.

The invention relates to the technical field of medical auxiliary instruments, in particular to a uterine cavity puncture line hanging assembly which is characterized in that the uterine cavity puncture line hanging assembly comprises a puncture needle, an inner needle and a fixing line, the puncture needle is used for penetrating out of a uterine serous membrane layer from a uterine cavity, a cavity penetrating through the two ends of the puncture needle is formed in the puncture needle, and the fixing line is arranged in the cavity in a penetrating mode; the fixing line comprises a transverse line knot and a line body fixedly connected to the middle of the transverse line knot, the transverse line knot is perpendicular to the line body, a push head is arranged at one end of the inner needle, and the inner needle is used for being inserted into the cavity of the puncture needle and pushing the transverse line knot of the fixing line out of the cavity through the push head so that the transverse line knot can stretch and be fixed outside the uterine serosal layer. The fixing line can be fixed to the uterus and cannot fall off, the bearing capacity is high, fixation is firm, puncture operation is easy and convenient, and the effect of fixing the contraceptive ring or the medicine ring is achieved by knotting and fixing the fixing line and the tail wire of the contraceptive ring or the medicine ring.

The invention discloses a detection method for identifying serous cavity effusion type based on a dry chemical test strip, and relates to the technical field of medical diagnosis, the test strip comprises a substrate material, a detection area, a contrast area and an absorption area; the detection area is loaded with a chemical indicator aiming at specific components of serous cavity effusion and is used for distinguishing percolate and leaked liquid through a multi-parameter reaction; the substrate material is a cellulose membrane or a high-molecular polymer and is used for fixing a substrate and enabling a reagent to develop color; the absorption area is composed of a super absorbent polymer and is used for controlling the permeation amount of a sample and adsorbing a superfluous body fluid sample; the contrast area comprises a blank module and a reference module and is used for verifying the effectiveness of the test strip; according to the detection method for identifying the serous cavity effusion type based on the dry chemical test strip, a chemical indicator formula and an instrument algorithm are optimized, a plurality of detection areas are integrated, various components can be analyzed at the same time, the serous cavity effusion type can be accurately evaluated, and the detection method is high in detection sensitivity, high in specificity, easy and convenient to operate and high in efficiency.

A bipolar high-frequency electric snare, comprising a snare assembly (1) and a sleeve (2). The sleeve (2) is configured for fixing the snare assembly (1), and there are one or more sleeves (2). The bipolar snare can not only form a current loop, but also avoid a short circuit of an instrument, thereby reducing damage to the serosa layer of the intestinal wall and reducing the possibility of complications such as bleeding and perforation.

The present application relates to pericardial sealing elements for prosthetic heart valves. In one embodiment, a delivery assembly may include an annular frame, a leaflet structure positioned within and secured to the frame, and an outer skirt positioned about an outer surface of the frame. The annular frame may include an inflow end and an outflow end, and may be radially contracted and expanded between a radially contracted configuration and a radially expanded configuration. The outer skirt may include pericardial tissue having a fibrous wall layer defining a first surface of the outer skirt and a serosal wall layer defining a second surface of the outer skirt. The outer skirt may be positioned such that the first surface faces away from the frame and the second surface faces the frame.

The invention discloses a serous cavity effusion sample property identification method and system based on data statistics, and the method comprises the following steps: S1, preparing a serous cavity effusion sample slide, the operation comprising manual slide pushing and dyeing; s2, checking the prepared slide, wherein the checking content comprises whether cell distribution is uniform or not and whether dyeing is clear or not, and re-flaking the sample of which the flaking quality does not meet the item checking requirement; s3, observing the image of the slide under the microscope, judging the type and number of cells according to the serous cavity effusion cell morphological map, and recording the result; s4, carrying out statistical analysis on a recording result obtained in the step S3, and calculating the proportion of the total number of cancer cells in all the visual fields to the total number of nucleated cells in all the visual fields; and S5, judging the sample property according to the ratio and the number of the total number of cancer cells in the visual field. The invention provides a clear judgment rule and an implementation method of the sample property, and provides a clear judgment rule for the result in the gray region, so that the accuracy of the final result is ensured.

This invention belongs to the field of bioinformatics, specifically relating to a deep learning-based method for perspective 3D reconstruction of serous epidermis. The method includes the following steps: First, stained continuous sections of the serous epidermis are acquired; second, the stained continuous sections are input into a reference point analysis module to obtain reference point descriptions; then, the reference point descriptions and stained continuous sections are processed by a continuous section registration module to obtain aligned continuous sections; subsequently, the aligned continuous sections are spatially filled in using a continuous section interpolation module to obtain filled continuous sections; finally, the filled continuous sections are spatially modeled using a continuous section stitching module to obtain an initial 3D reconstruction, and then a perspective 3D reconstruction is obtained using a section background removal module and a 3D data denoising module. This invention proposes a complete set of 3D reconstruction methods for serous epidermis based on deep learning technology, capable of performing perspective 3D reconstruction under a conventional microscope, possessing both color layer information and internal structure representation capabilities.

According to the serous cavity effusion extraction device, a first connecting base is fixed to one side of a top cover of an effusion box, an air extraction pipe is installed on the first connecting base, a second connecting base is fixed to the other side of the top cover of the effusion box, an extraction pipe is installed on the second connecting base, and an extraction needle head is installed at the tail end of the extraction pipe; an inner cylinder is fixed to the outer side of the end of the suction pipe, the outer wall of the inner cylinder is attached to the inner wall of an outer cylinder, the outer side face of the outer cylinder is rotationally connected with the top of the inner side face of a supporting plate through a side shaft, a positioning suction cup is installed at the bottom end of the supporting plate, and a shifting plate is arranged at the top of one end of the outer wall of the inner cylinder. According to the serous cavity effusion extraction device, the novel structural design is adopted, the insertion angle can be conveniently and rapidly adjusted in a rotating mode, the suction pipe and the suction needle head can be stably and linearly pushed and stably locked, and abnormally accumulated liquid in the thoracic cavity or the abdominal cavity or the pericardial cavity is comprehensively sucked.

The utility model relates to the technical field of medical instruments, in particular to a serous cavity effusion filtering device, which comprises a base, an outer cylinder fixedly mounted on the base, a detachable mounting cover mounted on the outer cylinder, an inner cylinder rotatably mounted in the outer cylinder, detachable filtering structures equidistantly arranged along the circumferential direction of the inner cylinder, and the detachable filtering structures are arranged on the inner cylinder when the inner cylinder rotates. The detachable filtering structure is used for filtering serous membrane cavity accumulated liquid; the pressurizing assembly comprises a driving structure and a lifting structure, and the lifting structure is arranged on the mounting cover and comprises a lifting part which is elastically arranged on the mounting cover in a sliding mode; the driving structure is mounted on a mounting plate fixedly arranged on the base and connected with the inner cylinder, and when the inner cylinder rotates, the driving structure can drive the lifting structure to act so as to drive the lifting part to ascend and descend relative to the outer cylinder; by arranging the pressurizing assembly, the filtering speed of serous membrane cavity effusion can be increased, and therefore the time needed by overall inspection is shortened.

The invention belongs to the technical field of animal experiment model construction, and relates to a construction method of a porcine endometrial injury model. The construction method is non-traumatic, can simulate the pathological state of clinical intrauterine adhesion on the premise of not damaging the full-thickness structure of the uterus of a pig, and comprises the following specific steps: intramuscularly injecting 1.5 mg / kg of Shutai to calm an experimental pig, then carrying out anesthesia induction and analgesia, intramuscularly injecting phloroglucinol and probing the cervix uteri after the anesthesia induction succeeds and vital signs are stable, and carrying out intramuscular injection on the experimental pig. The cervix uteri is ensured to be relaxed; a sixth curette enters the uterus body from the cervix gently and slowly, and the endometrium is mechanically scraped until the surface is coarse; and then injecting 95% ethanol and staying for a specific time, and finally removing the residual ethanol. According to the method, laparotomy is not needed, the operation path is simple, the full-layer structure of the uterine muscular layer and the serosal layer can be completely reserved, the modeling effect is highly similar to the clinical intrauterine adhesion condition, the success rate is as high as 95%, the repeatability is good, the modeling effect is stable, and a standardized large animal model capable of being popularized is provided for intrauterine adhesion mechanism research and clinical intervention evaluation.