243 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 The mechanical injury of the anastomotic stoma when the nail anvil is withdrawn can be avoided, and the risks of infection, bleeding and leakage of the anastomotic stoma after operation are effectively reduced.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 an intestinal postoperative fistula-proof device which comprises a fistula-proof membrane assembly and a degradable near-end ring mechanism, and the fistula-proof membrane assembly comprises a membrane cylinder and a first storage cavity; wherein the first storage cavity is formed in one end of the thin film cylinder, the first storage cavity is formed by turning over one end of the thin film cylinder, a degradation type near-end ring mechanism is arranged in the first storage cavity, and the end, away from the first storage cavity, of the thin film cylinder is fixedly connected with a far-end supporting ring; the degradable near-end ring mechanism is matched with the film cylinder to be fixed to an intestinal canal in a sewing mode, then the far-end supporting ring is moved to drive the film cylinder to completely cover an anastomotic stoma, the far-end supporting ring is used for supporting the film cylinder so that intestinal contents can be isolated from making contact with the anastomotic stoma, the anastomotic stoma is fully protected, and the anastomotic stoma is prevented from being damaged. And the whole anti-fistula device is a smooth channel, so that the resistance of intestinal contents is reduced, and the risk that the intestinal contents fall off in advance is 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.

Disclosed are a Solanum tuberosum drought tolerance-related transcription factor gene StPIF4 and the use thereof. A CDS sequence of StPIF4 has a length of 1554 bp, has a nucleotide sequence shown as SEQ ID No. 1, and encodes 517 amino acids, the amino acid sequence being shown as SEQ ID No. 2. The gene is located in a cell nucleus. The gene reduces the water loss of Solanum tuberosum seedlings under the drought stress by adjusting the opening degree of stomas, thus enhancing the drought tolerance of Solanum tuberosum. The present invention provides a new genetic material and a theoretical basis for analyzing the drought-tolerant molecular mechanism and drought-tolerant breeding improvement of Solanum tuberosum.

The invention belongs to the field of plant insect-resistant characteristic analysis, and particularly discloses a real-time in-situ detection method and system for the insect-resistant level of a plant, and the method specifically comprises the following steps: after a to-be-detected plant is irradiated by ultraviolet light of different doses, a hyperspectral stimulated Raman scattering imaging subsystem is adopted to carry out stomata imaging and spectral signal acquisition on leaves of the to-be-detected plant; performing qualitative analysis on different metabolites in the leaves by adopting spectral signals of different wavebands, and performing quantitative detection on the metabolites in combination with characteristic peak areas and peak intensity characteristics; acquiring pore structure change based on pore imaging; and calculating the correlation between the pore structure and metabolite change of the plant caused by different irradiation and the insect resistance, thereby realizing in-situ detection of the insect resistance of the plant. According to the method provided by the invention, the complex process of plant disease and insect pest resistance can be comprehensively analyzed, and the non-invasiveness, high specificity and qualitative and quantitative capability can provide important theoretical basis and practical guidance for developing a green disease and insect pest control technology.

Ostomy apparatuses and methods of use are disclosed herein. An example apparatus can include an ostomy interface configured to be inserted into a stoma of a patient, the ostomy interface being shaped so as to prevent disassociation of the ostomy interface from the stoma, the ostomy interface having an annular upper flange; and a securement interface that is configured to lockingly mate with the annular upper flange of the ostomy interface and couple an ostomy bag to the ostomy interface.

The invention discloses a film water collection negative pressure system for an antibacterial operation. The film water collection negative pressure system comprises a water collection main body, a waterproof film and a negative pressure drainage tube. The shape of the water collecting main body is configured to surround a water collecting area on the outer side of a surgical incision on the body surface of a patient, and microporous structures facing the stoma of the human body are distributed on the water collecting main body; the water collecting main body and the water collecting area are covered with the waterproof thin film, the waterproof thin film is provided with a surgical operation opening corresponding to the stoma of the human body in position, and the waterproof thin film is further provided with a liquid passing hole facing the micropore structure; the head end of a tube body of the negative pressure drainage tube is connected with the micropore structure in an attached mode. And the tail end of the tube body of the negative pressure drainage tube is communicated and connected with a negative pressure source. Sterile normal saline for lavage incision can be prevented from flowing to an operating table, a bed sheet and the ground along the body of a patient, the sterile environment of an operation area is guaranteed, the risks of low body temperature, postoperative infection and the like in the operation of the patient are reduced, and the experience of the patient in the perioperative period is improved.

The invention relates to the technical field of the Internet of Things, in particular to a multi-autonomous-robot collaborative operation control method and system based on the Internet of Things. The method comprises the following steps: acquiring multi-point leaf surface micro-wind speed detection data of plants in a greenhouse environment; analyzing plant stomata opening and closing state change characteristics according to blade surface micro wind speed detection data, and determining plant health state grades; detecting a plant stomata activity time distribution rule according to plant health state grading; determining detection time window data of the autonomous robot according to the plant stomata activity time distribution rule; and determining a time sequence collaborative operation scheme based on the plant stomatal activity time distribution rule and the detection time window data. According to the invention, airflow disturbance generated by movement of the robot is converted into a reference signal for environmental perception, and intelligent compensation of environmental disturbance is realized through comparative analysis of expected disturbance and an actual detection result.

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 invention relates to a tobacco stomatal aperture regulating factor and its application, belonging to the field of genetic engineering technology. The amino acid sequence of the stomatal aperture regulating factor NtMYB184 comprises: an R2 repeat sequence, an R3 repeat sequence, and an SG7 domain [K / R][R / x][R / K]xGRT[S / x][R / G]xx[M / x]K. The amino acid sequence of the stomatal aperture regulating factor NtMYB184 is shown in SEQ ID NO: 1. The stomatal aperture of wild-type tobacco is 0.3992, while the stomatal aperture of transgenic plants (OE) overexpressing the stomatal aperture regulating factor NtMYB184 gene is 0.4673. Compared with the wild-type, the stomatal aperture of the transgenic plants is increased by approximately 17%, indicating that overexpressing the stomatal aperture regulating factor NtMYB184 gene can increase stomatal aperture. Therefore, the tobacco stomatal aperture regulating factor NtMYB184 has great application prospects in regulating tobacco stomatal aperture.

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.

The present invention addresses the problem of clarifying the relationship between heat stress in grain-filling stage and the control of stomatal density and producing a useful plant by a novel method different from the conventional genetic engineering techniques. Provided is a method for producing a progeny of a plant which has a controlled stomatal density, the method including a step for controlling the temperature of the grain-filling stage of the plant. The control of the stomatal density is preferably achieved by the control of the methylation of a promoter region of a gene involved in the stomatal density.

The utility model relates to the technical field of medical instruments, and discloses a measuring scale for measuring stoma, which comprises a measuring device, the measuring device is characterized in that a first shell is provided with a rod body, one end of the rod body is provided with a shifting block, the other end of the rod body is provided with a plate body, and the portion, inside the first shell, of the rod body is sleeved with a first spring; a cutting device is arranged on the measuring device, and the cutting device comprises a connecting rod assembly arranged on the plate body and the first shell; a second shell is fixedly connected with the first shell through the connecting rod assembly, a third empty groove is formed in the second shell, a sliding rail is arranged on the third empty groove, and an inserting groove is formed in the second shell; a first sliding block is arranged at the top of the connecting rod assembly and slidably connected with the sliding rail, a block body and a blade are arranged at the top of the first sliding block through a third connecting rod, a second empty groove is formed in the block body, and an inserting block is arranged at the bottom of the block body and connected with the inserting groove in an inserted mode.

The present invention discloses a stoma device capable of reducing peculiar smell, which comprises a chassis and a bag body. The upper part of the front surface of the chassis is fixedly connected with a locking connection mechanism. On the front surface of the chassis on one side of the locking connection mechanism, there is also fixedly connected an odor treatment and discharge mechanism. A stoma sleeve is arranged on the front surface of the chassis below the locking connection mechanism. An annular sealing groove is formed on the outer side wall of the stoma sleeve, and a contact gasket is fixedly connected to the inner side wall of the stoma sleeve. A connection seat is arranged on the back surface of the bag body, and a rubber annular sealing protrusion is fixedly connected to the inner side wall of the connection seat. The connection seat is cooperatively connected with the stoma sleeve. By arranging the stoma sleeve on the chassis and forming the annular sealing groove, and arranging the connection seat on the bag body and fixing the rubber annular sealing groove, and by clamping the rubber annular sealing groove into the annular sealing groove, it can prevent peculiar smell from discharging from the gap between the stoma sleeve and the connection seat. Through the odor treatment and discharge mechanism, the peculiar smell can be filtered and adsorbed, effectively reducing the peculiar smell.

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.

An ostomy pouch for collecting body waste includes a flap formed from a cutout of an outer layer of the ostomy pouch. The flap covers a viewing option for viewing a stoma and an interior of the ostomy pouch. The flap includes a tab attached to the outer layer. The tab is configured to secure the flap closed.

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 stoma enema suite device comprises a fixing assembly, a pipe assembly, an enema assembly and an antifouling assembly, and the pipe assembly comprises a first pipeline for enema and a second pipeline communicated with the fixing assembly; the first pipeline is used for introducing enema liquid into the intestinal tract from the container through the stoma; the second pipeline is used for introducing gas or liquid into the fixing assembly, so that the fixing assembly is tightly combined with the stoma; the fixing assembly comprises at least two balloons, a conical fixing piece and a spiral supporting piece. A balloon is arranged on the conical tip side of the conical fixing piece; the other balloon and the spiral supporting piece are both arranged in the inner cavity of the conical fixing piece, and the balloon is located on the inner side of the cavity space formed by the spiral supporting piece. According to the stoma enema suite device, the risk of leakage due to the folded state of the stoma can be avoided, the contact area between the stoma and the stoma is increased, and the purpose of preventing enema liquid from overflowing is achieved.

The invention discloses a blackberry RubHLH1 gene as well as an expression protein and application thereof, and belongs to the technical field of plant genetic engineering. The nucleotide sequence of the blackberry RubHLH1 gene provided by the invention is as shown in SEQ ID NO. 1, and the amino acid sequence of expressed protein is as shown in SEQ ID NO. 2. The RubHLH1 gene is genetically transformed into arabidopsis thaliana, and a RubHLH transgenic arabidopsis thaliana plant shows a plurality of beneficial characters compared with a wild type plant at the same growth time, including that the stem length is fast and thick, the SPAD value is high, and podding is carried out in advance; wherein stem segments and petiole epithelium spines of the bHLH-3 strain are more than those of a wild type, the leaf surface is more shrunk, and the number of pores is large. The activities of POD, SOD and CAT and the contents of MDA, H2O2, total phenols and flavonoids in a transgenic plant are higher than those in a CK contrast. The invention provides an efficient gene resource and a molecular tool for cultivating excellent transgenic plant varieties by using a molecular breeding means.

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 invention relates to the field of urinary stoma, and discloses a urinary stoma device with a urine drainage function, the urinary stoma device comprises a bag body and a waistband, the lower end of the bag body is provided with a liquid outlet, the front surface of the waistband is provided with a fixing assembly, the outer wall of the liquid outlet is provided with a connecting assembly, the connecting assembly comprises a connecting sleeve, and the connecting sleeve is provided with a urine drainage opening. The connecting sleeve is connected to the outer wall of the liquid outlet in a sleeving mode, a connector is connected to the inner wall of the liquid outlet in an inserted mode, a sealing cap is installed on the upper surface of the connector, a drainage assembly is arranged on the outer wall of the waistband, the drainage assembly comprises a clamping sleeve, and the clamping sleeve is fixedly connected to the outer wall of the waistband. According to the drainage belt, by arranging the connecting assembly, when a patient needs drainage operation, the sealing cap can be rotated firstly to drive the sealing gasket to be separated from the interior of the connector, then the drainage assembly can be taken down from the exterior of the belt, the positioning head is fixed to the upper portion of the connector, and then the drainage opening can be turned over to be vertically downward.

The invention discloses a construction method of a summer maize hierarchical upscaling model, which relates to the technical field of agriculture. The method includes collecting key data for model construction; determining the growth period of research, screening typical days, and stratifying the summer maize canopy; fitting a stomatal conductance model according to the collected observation results; evaluating the fitted stomatal conductance models of different layers, and screening the optimal stomatal conductance model for each layer; performing upscaling integration on the optimal stomatal conductance models of each layer according to the stratified LAI, and accumulating layer by layer, and finally obtaining the summer maize hierarchical upscaling model. The invention has rich sample data, improves the reliability of the estimation model, reflects the differences in stomatal conductance among leaves of different canopies, and the obtained conclusions have important significance for regional research.

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 present invention relates to a system and method for inverting the stomatal conductance of vegetation using remote sensing data, comprising a remote sensing data acquisition module, an inversion processing module, and a meteorological acquisition module distributed in each region, wherein the remote sensing data acquisition module is used to collect remote sensing inversion data of each region, the meteorological acquisition module is used to obtain the saturated water vapor pressure difference of the region, and the inversion processing module is used to obtain the regional stomatal conductance according to the remote sensing inversion data and the saturated water vapor pressure difference, and the regional stomatal conductance is summarized to obtain the total stomatal conductance. The system divides the mountainous area into several regions, collects parameters for each region respectively, and inverts the stomatal conductance for each region based on the collected data, so that the obtained data is more accurate, and the collection component is fixed above the canopy layer by setting a weather balloon and a winding rope fixing method, and can be dropped by a drone, which is easy to operate, so that the inversion method can be applied to mountain vegetation, which is beneficial to vegetation ecology research.

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.

A cellulose composition for sealing around a stoma, an ostomy device or an accessory for an ostomy device comprising the composition, and a method for sealing around a stoma. The composition comprises a continuous phase and a discontinuous phase, with the continuous phase comprising a cellulose derivate material and a plasticizer and the discontinuous phase comprising an absorbent material. The cellulose derivate material is soluble in the plasticizer, and the composition comprises 15-40% (w / w) cellulose derivative material, 10-30% (w / w) plasticizer; and 40-70% (w / w) absorbent material.