90 results about "Stoma" patented technology

The invention provides a digestive tract reconstruction device for protecting an anastomotic stoma, and relates to the field of medical instruments. The device comprises a nail anvil assembly, a nail bin assembly, a connection closing assembly and an anastomotic stoma protection assembly. A rotary guide mechanism is arranged in the nail bin assembly and drives the nail anvil assembly to rotate by a preset angle during axial movement, so that the short shaft of the oval nail anvil is aligned with the long shaft of the anastomotic stoma and exits without interference. And barbs are arranged in the cutting knife to hang and cut tissues, so that the nail anvil can be greatly overturned. The anastomotic stoma protection assembly comprises a degradable gasket and a folding flow guide tube, and the flow guide tube retreats and is unfolded along with the nail anvil to cover the anastomotic stoma and isolate pollutants. The mechanical injury of the anastomotic stoma when the nail anvil is withdrawn can be avoided, and the risks of infection, bleeding and leakage of the anastomotic stoma after operation are effectively reduced.

The invention provides a method and device for identifying real size information of a stoma based on machine vision, and belongs to the technical field of medical assistance. The method comprises the steps of obtaining calibration parameters, receiving equipment information which is input by a user and used for shooting, calling the calibration parameters according to the equipment information, obtaining an image which is input by the user and comprises a reference substance and a stoma, and inputting the image into a machine vision fusion deep learning model which is trained by using labeling information in advance, the method comprises the following steps: dividing a reference object area and a stoma area, extracting edge contours of the reference object area and the stoma area, performing size transformation according to calibration parameters, real size information of the reference object area and the edge contours of the reference object area and the stoma area, and calculating to obtain real size information of the stoma area. According to the method, the defects of manual trimming are overcome, full-closed-loop automatic operation from image acquisition, data processing to machining is achieved, and a complete technical chain of intelligent measurement, accurate cutting and efficient adaptation is formed.

The invention discloses a method for adjusting the pore opening degree of Shanghai green, and belongs to the technical field of plant detection. Shanghai leaves are placed in 20mL of open liquid containing (1) 0.5% potassium chloride and 100 [mu] M / L calcium chloride or (2) 0.5% potassium chloride and 50 [mu] M / L brassinolide or (3) 0.5% potassium chloride and 10 [mu] M / L cytokinin or (4) 0.5% potassium chloride and 5 [mu] M / L gibberellin or (5) 0.5% potassium chloride and 100 [mu] M / L methyl jasmonate, culture is performed under illumination, and the illumination time is set to be 5h, so that the pore opening degree of Shanghai is remarkably increased. Compared with a control group (containing 0.5% of potassium chloride), the pore openness of the treatment is respectively increased by 33.5%, 43.5%, 43.4%, 27.1% and 70.2%. The method disclosed by the invention lays a technical foundation for rapidly screening out the exogenous environmental stimulation factor (environical stimuli) capable of increasing the opening degree of the pore.

The present application belongs to the technical field of ostomy base plate, and particularly relates to a leakage-proof ostomy base plate for postoperative colorectal cancer, which comprises a suction cup, the upper side wall of the suction cup is fixedly connected with a connecting cylinder, the outer wall of the connecting cylinder is fixedly sleeved with two limiting rings matched with an ostomy bag, the outer wall of the suction cup is fixedly sleeved with an adhesive layer, the inner wall of the connecting cylinder is fixedly connected with an elastic film, and a center hole is formed in the center position of the elastic film. Before the ostomy base plate is used, the size and shape of the center hole of the ostomy base plate can be freely adjusted according to the use condition, so that the leakage risk of excrement caused by the size deviation of the manually cut traditional fixed circular center hole is avoided, the compression damage of the ostomy mucosa caused by the too small cutting is eliminated, the sealing property of the base plate and the skin around the ostomy is improved, the complications such as fecal dermatitis are reduced, the nursing operation difficulty is reduced, and the wearing comfort and the life quality of the patient are improved.

This invention discloses a method for measuring stomatal conductance in maize leaves based on anchor-free target detection and stomatal conductance calculation, comprising the following steps: acquiring stomatal images of maize leaves; preprocessing, data augmentation, and stomatal labeling of the maize leaf stomatal images; constructing an optimal stomatal conductance model; constructing a deep learning model for stomatal identification and measurement, and training and testing the deep learning model. This invention improves upon the CenterNet target detection model, using DLA34 as the backbone network, replacing upsampled 2D convolution with deformable convolution, introducing an attention mechanism, and adding an angle prediction branch to automatically identify and measure stomata with tilt angles in maize leaf microscopic images. Simultaneously, a stomatal conductance loss function is introduced, and the optimal stomatal conductance model is used to automatically measure the stomatal conductance of maize leaves.

1. The name of the design product: suction disc (stoma base disc). 2. The use of the design product: It is suitable for stoma people with temporary stoma or permanent stoma after surgery. After combining the product with a stoma bag of the same size, it is used to collect stoma excretion and is adsorbed on the stoma waistline. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention belongs to the technical field of gene engineering, and particularly relates to a cornutgiella axataenae PdMYB44 gene and application thereof. The invention provides a cornutgiella dotacea PdMYB44 gene, wherein the CDS (Coding Sequence) of the PdMYB44 gene is as shown in SEQ ID NO. 1. The PdMYB44 gene disclosed by the invention is derived from the cornutgiium axataenense, so that the drought resistance of a transgenic plant can be improved, the flowering time is shortened, and the PdMYB44 gene can be applied to plant stress resistance genetic improvement. Results of embodiments show that according to a transgenic plant over-expressing the PdMYB44 gene, the proline content is increased, the malondialdehyde content is reduced, the transpiration rate and stomatal conductance are remarkably reduced, and the drought resistance of the transgenic plant is jointly improved by synergistically regulating three key mechanisms, namely accumulation of permeation protection substances, inhibition of membrane damage and optimization of stomatal behaviors.

This invention provides a storage bag-type stoma bag device and its usage method, relating to the technical field of stoma bags, including: a stoma bag, a stoma ring, a locking mechanism, and a cutting mechanism; the stoma ring has an annular receiving space, and the stoma bag is placed in the receiving space; the locking mechanism is disposed on the stoma ring, and the locking mechanism can lock the stoma bag to fix it; the cutting mechanism is used to cut and seal the stoma bag. When the stoma bag needs to be replaced, it is separated from the stoma bag by the locking mechanism, and the stoma bag is pulled out from the receiving space to increase the receiving volume of the stoma bag. Then, the stoma bag is cut and sealed by the cutting mechanism, so that the stoma bags on both sides are sealed to prevent odor. It does not require removing the stoma ring, which alleviates the technical problems of easily damaging the skin and intestines when changing the collection bag, exposing excrement and intestines, and causing a strong odor. It achieves the technical effects of avoiding the exposure of excrement and intestines, removing odor, and not easily damaging the skin and intestines.

The utility model relates to the technical field of medical instruments, and discloses a wound stoma measuring scale, the left end of the bottom of a first measuring scale is fixedly connected with a fixed arm, the front side of the first measuring scale is provided with a sliding groove, the interior of the sliding groove is slidably connected with a sliding block, the front side of the sliding block is fixedly connected with a push block, and the push block is fixedly connected with the fixed arm. The bottom of the front side of the sliding block is fixedly connected with a sliding arm, the front side of the top of the sliding block is fixedly connected with an indicating block, the left end of the rear side of the first measuring ruler is fixedly connected with a rotating shaft, and the surface of the rotating shaft is rotatably connected with a second measuring ruler. During use, the sliding arm is separated from the fixed arm, the fixed arm is aligned with one side of a stoma, then the sliding block slides in the sliding groove to drive the sliding arm to move to the other side of the stoma, the diameter of the stoma can be obtained by observing the scales on the first measuring ruler, operation is easy, the measuring efficiency is improved, the application range is widened, and use is convenient.

The application provides a stoma cleaning device, comprising a cover body, a cleaning mechanism and a waste liquid recovery mechanism; one end of the cover body is open; the cleaning mechanism is installed on the cover body and can spray water towards the opening of the cover body; and the waste liquid recovery mechanism can recover the waste water in the cover body after cleaning. In the application, the stoma cover is arranged in the cover body through the abutment of the opening of the cover body and the skin of the patient, then the cleaning mechanism is controlled to act, the cleaning mechanism sprays water towards the stoma to clean the stoma and the skin around the stoma, the waste liquid after cleaning is covered by the cover body, then the waste liquid recovery mechanism is controlled to act, and the waste liquid recovery mechanism recovers the waste water in the cover body after cleaning; thus, the cleaning of the stoma can be replaced by artificial cleaning, and the psychological burden of the patient and the family members is reduced.

This application relates to the field of microscopic image analysis technology and provides a method and related products for detecting plant stomatal aperture in exploratory experiments. The method includes: acquiring leaf epidermal images under different light intensities; segmenting the preprocessed leaf epidermal images; extracting multiple stomatal regions from the segmented leaf epidermal images; calculating stomatal aperture indices for each stomatal region under different light intensities; recording stomatal aperture data from each field of view; removing outliers from the stomatal aperture data to obtain an effective stomatal set; statistically calculating the average and standard deviation of the stomatal aperture data of the effective stomatal set under the same light intensity as representative values ​​for the corresponding light intensities; obtaining fitting results based on the light intensities under various experimental conditions and the representative values ​​for the corresponding light intensities; and generating exploratory experimental conclusions and reports based on the fitting results. This application enables a lightweight quantitative investigation of the relationship between stomatal opening and closing and environmental factors.

The embodiment of the invention provides an anastomat which is configured to reduce fluid resistance at an anastomotic stoma and comprises a nail anvil assembly and a nail bin assembly, and the nail anvil assembly comprises a nail anvil provided with a first patch; the staple cartridge assembly comprises a staple cartridge assembled with a second patch, the first patch is provided with a first pore part and a first cutting position, and the second patch is provided with a second pore part and a second cutting position. When the end surface of the nail anvil and the end surface of the nail bin are in a state of clamping the first patch and the second patch, the first pore part is overlapped with the second pore part; and the first cutting position is overlapped with the second cutting position. The first patch and the second patch are cut in response to an annular knife of the staple cartridge, the inner annular edges of the first patch and the second patch being toothed. The inner diameter tooth-shaped structure can enable the cut anastomotic stoma to be in a state that the periphery of the caliber is relatively relaxed, the circumferential pressure of the anastomotic stoma is weakened, and the fluid resistance of the anastomotic stoma is reduced.

The utility model provides a metal support for intestinal canal anastomosis and anastomotic leakage, which relates to the technical field of medical instruments and comprises a metal support, a drainage tube and a support release device, the metal support is arranged in the support release device before being released, and the metal support is dumbbell-shaped after being released and comprises a first raised section, a second raised section and a groove section, the groove section is a double-layer metal net and comprises an inner-layer metal net and an outer-layer metal net, a space is formed between the inner-layer metal net and the outer-layer metal net, the inner face and the outer face of the metal support are both wrapped with silica gel coatings, a plurality of round holes communicated with the space are formed in the silica gel coating of the outer-layer metal net, the drainage tube is connected with the groove section, and the interior of the drainage tube is communicated with the space. After being released, the metal stent can block a digestive tract ventage or support liquid secreted by an anastomotic stoma, intestinal mucosa, blood vessels and ventage tissue, the liquid can enter the space between the two layers of metal stent nets through the round holes in the silica gel coating of the outer-layer metal net and is sucked out by negative pressure, cleanliness of the anastomotic stoma and the ventage can be kept, and healing of the anastomotic stoma and the ventage is promoted.

1. Name of the product in this design: Air Hole Imaging Device (Outdoor). 2. Purpose of this design: For collecting stomatal phenotypic data of plants growing in field settings. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a stoma device based on radial wrinkle dynamic sealing and sequential control and an intelligent control system of the stoma device, and relates to the technical field of medical instruments. The device comprises a base assembly, a flexible sealing cylinder and a defecation guide assembly. The outer ring is rotationally driven to axially displace relative to the fixed ring, compression force is applied to the flexible sealing cylinder body, so that the flexible sealing cylinder body is subjected to unstable buckling to form annular wrinkles, and second main control sealing is realized by utilizing radial contraction force of the wrinkles; a sealing cover at the tail end of the defecation guiding assembly forms a first isolation seal. The system supports two-stage sequential control, allows a user to independently open the tail end seal for defecation preparation in the closed state of the main seal, and thoroughly eliminates the risk of opening while leaking. The invention further provides an upgraded and enhanced scheme, an intervention strategy is dynamically adjusted based on the pressure change rate, breathing guidance, logic lock operation and remote monitoring functions are provided, and the crossing from passive monitoring to active rehabilitation guidance is realized. According to the invention, bag-free dignate defecation is realized, and the safety, comfort and life quality of stoma patients are remarkably improved.

The application discloses a monitoring method and system for three-dimensional phenotype parameters of stoma cells of living plants, and comprises the following steps: S1, a plant confocal three-dimensional microscopic imaging and photosynthetic parameter measuring device is used, a self-made photosynthetic leaf chamber is used to realize cooperative monitoring of a down-positioned confocal microscope and a portable photosynthetic instrument, morphological changes of the same stoma under different environments are monitored, and three-dimensional Z-stack images and physiological parameters of a stoma complex of the living plants are synchronously obtained; and S2, a fluorescence image is automatically segmented and three-dimensional surface reconstruction is performed by using a granularity-based active contour model, so that three-dimensional phenotype parameters and pore characteristics of the stoma complex are obtained.

The utility model belongs to the technical field of embossed stoma base plates, and particularly relates to an embossed surface structure of an embossed stoma base plate, which comprises a bonding layer and an embossed mold. The bonding layer is located between the stoma base plate and the embossing die. The utility model provides the embossed surface structure of the embossed stoma base plate, the structural design of the embossed surface can realize complex and diversified embossed effects, the aesthetic property and the practicability of the base plate are improved, and the high requirement of the market on the embossed stoma base plate is met.

The application relates to a stoma base plate which is characterized in that the stoma base plate comprises a fitting layer, the middle of the fitting layer is provided with a through hole matched with the size of a stoma, the inner surface of the fitting layer is provided with textures, and the rigidity of the fitting layer is distributed in a gradient decreasing mode from the edge of the stoma to the peripheral direction; the rigidity of the contact part of the fitting layer and the concave area on the skin surface is lower than that of the adjacent flat area around the fitting layer, and the rigidity of the edge of the fitting layer is higher than that of the adjacent flat area around the fitting layer; and a buffer layer having a porous structure. According to the application, through the collaborative design of the stiffness gradient of the fitting layer, softening of the local concave area and edge hardening, the fitting layer can accurately adapt to the unique abdomen curved surface and skin microtopography of a patient, when the patient breathes and moves, dynamic deformation matching can be achieved through the design, the problem of excrement leakage caused by static non-fitting and dynamic gaps is solved, and the application range is widened. Complications such as skin inflammation, infection and the like caused by the traditional Chinese medicine composition are fundamentally prevented.

The invention relates to the field of leaf sample preparation and analysis, in particular to a sample preparation and phenotype analysis method based on full-leaf expanding plant stomata. The method comprises the following steps: S1, leaf pretreatment: selecting complete wheat leaves, spraying an ethanol solution on the surfaces of the leaves, and repeatedly and gently smearing the leaves so that the leaves are fully soaked in the ethanol solution; s2, a rubbing base is prepared, specifically, a double-faced adhesive tape section is flatly attached to clean lining paper through the adhesive face on one side, the adhesive face on the other side is exposed, the exposed adhesive face is covered with a transparent adhesive tape section with the same length, and a composite base is obtained; s3, sectioning and flaking; s4, curing the imprint; s5, transferring and sample preparation; s6, scanning a slide; and S7, performing phenotype analysis. The method provided by the invention can preprocess the epidermis wax coat of the leaf to eliminate wax and pigment interference, realizes forward and reverse extension of the whole leaf, is simple and efficient in sample preparation, clear and uniform in print, stable and easy to distinguish the sample, can present a clear and complete leaf stomata image, and can efficiently perform stomata analysis and data acquisition in combination with a phenotype analysis algorithm.

The present invention discloses a method for recovering a target protein expressed in an apoplast, comprising a step of injecting a buffer into a plant body that expresses the target protein in an apoplast through a stoma, a water pore, or a cross-section of the plant body; and a step of extracting a buffer present inside the plant body through a stoma, a water pore, or a cross-section.

The present application belongs to the technical field of Dioscorea alata Blume anthracnose prevention and treatment, and particularly relates to application of a biological agent material for enhancing expression of DaMYB48 in resisting anthracnose. The application of the biological agent material for enhancing expression of DaMYB48 in resisting anthracnose is characterized in that the nucleotide sequence of DaMYB48 is shown as SEQ ID NO. 3. The expression of DaMYB48 is enhanced to enhance the resistance of the plant to anthracnose. The application of the agent for enhancing expression of DaMYB48 in resisting anthracnose of Dioscorea alata Blume can significantly enhance the resistance of the plant to anthracnose, and the area of the disease spot is significantly reduced, and the prevention and treatment effect is stable. The material used in the present application is a biological material, and will not pollute the environment. On the other hand, the present application reduces the invasion of anthracnose by regulating the closure of stomata of leaves, belongs to physical action, and thus will not cause the anthracnose pathogen to produce drug resistance.

The invention discloses a step locking type disposable circumcision anastomat and an application method thereof, and particularly relates to the technical field of circumcision anastomats.The step locking type disposable circumcision anastomat comprises an outer ring and an inner ring which are connected in a sleeved mode, the outer ring comprises a first half ring and a second half ring, and the first half ring and the second half ring are oppositely arranged and can be closed to form an annular structure; a first limiting block is arranged on the outer side of the first half ring, and a second limiting block is arranged on the outer side of the second half ring. The ladder-shaped clamping groove is matched with the clamping block, so that reliable locking is provided. The problem of springback or slipping possibly caused by traditional locking depending on single elastic deformation is solved, the state is stable after locking, loosening caused by movement or tissue edema fading of a patient is not prone to occurring, the operation effect is ensured, and secondary operation risks such as bleeding and poor healing caused by loosening of an anastomotic stoma are avoided. The clamping block is matched with the stepped clamping groove, and is mainly used for overcoming the longitudinal opening force generated by the girdling blade during cutting and anastomosis.

An annular flange 20 has an outer face 21 to adhere to a user's skin surrounding a stoma, an inner face 22 for connection to a collection bag 2, 3 for receiving material discharged through the stoma, and an inner margin 23 joining the inner and outer faces. The inner margin 23 of the annular flange is provided with a non-return valve 40 to prevent back-flow of material discharged from the stoma. The non-return valve 40 has two flexible impervious wall members 41, 42 disposed face-to-face and resiliently urged into a normal state such that there is little or no through passage between them.

The invention discloses a synergist for improving drought tolerance of corn and a preparation method and application of the synergist, and belongs to the technical field of fertilizer synergism. Silk fibroin liquid, hyaluronic acid, calcium chloride and compound trace elements serve as raw materials, rapid closing of air holes is adjusted, osmotic potential is reduced, expression of cell wall elastin XTH is enhanced, and the drought tolerance of corn is improved. The oxidation resistance of corn plants is improved, and drought stress is resisted through the cooperation of three mechanisms of low water loss, high water retention and strong oxidation resistance. The synergist for improving the drought tolerance of the corn, which is prepared by the invention, is respectively sprayed in a seedling stage, a jointing stage and a large horn mouth stage, so that the drought tolerance of the corn is greatly improved.

An insertable anti-leaking ostomy device includes a tube having an internal end and an external end, and a first inflatable balloon positioned at or near the internal end. The device is configured to be inserted through a stoma into a patient's body, with the first inflatable balloon positioned inside the body and the external end remaining outside. After insertion, the first inflatable balloon is inflated via an inflation valve to retain the device beneath a fascial layer and to provide a sealed flow channel for effluent. In some embodiments, a second inflatable balloon is positioned at or near the external end to help funnel effluent into a normally attached ostomy pouch and reduce leakage. An applicator with a base and a plunger can facilitate insertion and deployment of the device.

The utility model relates to the technical field of medical care, and discloses a stoma base plate adaptable to various catheters, which comprises a base plate, the base plate comprises a plastic plate, a gum plate is fixed on the back of the plastic plate, connecting grooves are formed in the center of the plastic plate and the center of the gum plate, connecting rings are fixed in the connecting grooves, and a fixing component is mounted on the front of the base plate. The fixing assembly comprises a wrapping mechanism installed on the front face of the connecting ring and used for opening and closing the connecting groove and fixing the catheter. By arranging the wrapping mechanism and the rope winding mechanism, a flexible elastic film is utilized to actively wrap and hoop a catheter under the traction of a binding rope, and the rotatable design of a winding button allows medical staff to effectively and flexibly adjust the tightness of rope winding, so that the device adapts to catheters with different diameters and provides proper clamping force; meanwhile, the locking mechanism can reliably keep the fixed state, it is guaranteed that the position of the catheter is stable in various daily activities, and the risk of unplanned catheter drawing is greatly reduced.

This utility model discloses an ostomy bag that is easy to assemble and disassemble. Its features include: a movable transition chamber with a flexible adsorption pad detachably connected to its inner side; the flexible adsorption pad adsorbs the movable transition chamber onto the stoma; the flexible adsorption pad has an outlet that communicates with the inner cavity of the movable transition chamber; when the flexible adsorption pad is attached to the stoma, the edge of the outlet adheres to the edge of the stoma, thus placing the stoma within the inner cavity of the movable transition chamber; a cleaning window is provided on the outer side of the movable transition chamber, and a sealing cap is detachably connected to the cleaning window; a drain outlet is provided at the bottom of the movable transition chamber, and the ostomy bag body is mounted on the drain outlet; this application, by setting up a movable transition chamber and connecting the ostomy bag body through the movable transition chamber, makes the ostomy bag body easier to disassemble; in addition, the flexible adsorption pad forms a spherical structure with the end that contacts the body, resulting in higher sealing performance and preventing leakage.

The utility model belongs to the technical field of stoma protection, in particular to a protective cover structure for protecting a stoma, which comprises a cover frame main body and a sealing cover, the cover frame main body is a hollow frame body structure, negative pressure suckers are uniformly distributed on the bottom surface of the frame of the cover frame main body, and a plurality of first magnetic steels are uniformly distributed, embedded and fixed on the top surface of the frame of the cover frame main body; the sealing cover is a cavity with an open bottom surface and a closed top surface, the shape of the bottom surface of the sealing cover is the same as that of the top surface of the cover frame main body, a plurality of second magnetic steels are uniformly distributed and fixed on the bottom surface of the sealing cover, and the plurality of first magnetic steels and the plurality of second magnetic steels are magnetically attracted and connected; human excrement such as excrement or urine at the stoma can flow into the sealing cover firstly and then is discharged through the vertical drainage tube and the bent guide tube in sequence, in addition, the human excrement such as the excrement or the urine discharged at the stoma can flow to a set area by rotating the bent guide tube, the human excrement is prevented from flowing everywhere, and the stoma drainage device is convenient to use. The pain of the patient and the working intensity of nursing personnel are reduced.

1. Name of the product in this design: Pore Imaging Device (Indoor). 2. Purpose of this design: For collecting plant stomatal phenotypic data in indoor environments such as rain shelters and artificial climate chambers. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.