130results about How to "Avoid the risk of cross infection" patented technology

The invention discloses a non-contact vital sign monitoring method, device and system based on a millimeter-wave radar. The method comprises the steps that an echo signal based on a transmitted signal, which is reflected after encountering a to-be-detected target, is extracted; the transmitted signal and the echo signal are mixed to generate a mixed signal; AD sampling is performed on the mixed signal to generate a time-domain sampled signal; distance transformation is performed on the time-domain sampled signal to acquire a one-dimensional distance image of the radar; a maximum peak value inthe one-dimensional distance image is acquired to obtain a target distance unit, and a phase on the target distance unit is calculated; the steps of distance transformation and phase calculation are repeated according to radar frame refreshing frequency, a phase set of phases on the same distance unit through respective calculation is obtained, and phase difference processing is performed to obtain a phase difference set; and the phase difference set is filtered to obtain vital sign signals of the to-be-detected target, and the vital sign signals are transformed to obtain vital signs. Throughthe non-contact vital sign monitoring method, device and system, the problems of inconvenience and infection brought by contact detection in the prior art are solved, non-contact measurement is realized, practicability and convenience are high, and contact infection is avoided.

The invention relates to freezing storage liquid for freezing and storing mononuclear cells and a preparation method for the freezing storage liquid, and belongs to the technical field of biology. The freezing storage liquid for freezing and storing the mononuclear cells comprises blood plasma and dimethyl sulfoxide. The freezing storage liquid is mainly applied to the freezing storage of the mononuclear cells, and has the advantages of good freezing storage effect and cost conservation.

The invention relates to the technical field of poultry farming, and discloses a poultry body temperature detection method based on image fusion and a poultry house inspection system. The poultry bodytemperature detection method comprises the following steps: acquiring a thermal imaging image and a visible light image of poultry; performing image fusion on the thermal imaging image and the visible light image to obtain a fused image; establishing a deep neural network model, performing feature recognition on the key parts of the poultry in the fusion image, obtaining temperature information of the key parts of the poultry in the fusion image, and performing conversion according to the temperature information of the key parts of the poultry to obtain body temperature information of the poultry. Based on image fusion of thermal imaging and visible light, and thrugh the feature recognition of the deep neural network model and the corresponding temperature conversion, the intelligent detection of the poultry body temperature is realized, the accuracy of the detection result is ensured, the inspection requirements of the poultry house in various breeding environments are met, the inspection efficiency of the poultry house is greatly improved, and the poultry breeding cost is saved.

The invention relates to a serum-free cryopreservation medium and method for peripheral blood monouclear cells. The serum-free cryopreservation medium comprises recombinant human interleukin-2, humanserum albumin, polyethylene glycol, trehalose and a basic culture medium or sodium chloride for injection. The serum-free cryopreservation medium has the advantages that the recombinant human interleukin-2 (IL-2) is added into the cryopreservation medium, so that the activity stability of immune cells cultured by thawed cells can be increased greatly, the high activity of original cells can be kept, the immune cells can well keep the physiological function and biological feature of the thawed cells, and the problem of direct large-scale amplification of the thawed cells can be solved effectively; the polyethylene glycol and the trehalose are added into the cryopreservation medium, the cryopreservation medium can replace an existing dimethyl sulfoxide-based (DMSO-based) cryopreservation medium, the toxicity of the cryopreservation medium to the cells is lowered effectively, cell stability is maintained, the direct application safety of the thawed cells is increased, and the thawed cellscan be directly used.

The invention belongs to the technical field of medical equipment, and particularly relates to a self-service pharyngeal sample nucleic acid sampling device. The self-service pharyngeal sample nucleicacid sampling device comprises a mouth gag and a handheld tool, wherein a sampler puts the mouth gag in the mouth to play guiding and limiting roles; a pharyngeal sample at the front end of the handheld tool penetrates through a guide hole in the mouth gag, is inserted into the posterior pharyngeal wall, and rotates under the action of a rotating mechanism to scrape the posterior pharyngeal wallto complete a sampling action; and after sampling is completed, an end cover seals and isolates the sample. A camera at the front end of the handheld tool performs whole-process shooting on the sampling process, and wirelessly uploads the shooting result to a cloud server or a computer host, and background personnel or AI (Artificial Intelligence) performs auditing confirmation on the sampling process. The self-service pharyngeal sample nucleic acid sampling device is simple in structure, and is easy and convenient to operate; ordinary people can complete sampling in a self-service way; the sampler can be shunted effectively; the detection efficiency is increased; the risk of cross infection caused by contact between doctors and patients is avoided; and the working intensity of medical personnel is lowered greatly. The invention further discloses a method for performing self-service nucleic acid sampling by using the sampling device.

The invention relates to a disposable electronic medical endoscope device comprising an operation control portion and a disposable service portion; the operation control portion is connected with the disposable service portion; the operation control portion includes an operation control portion shell, a bending drive control unit arranged in the operation control portion shell, and a bending drive unit; the disposable service portion includes an insertion control portion, an insertion hose portion and a pilot head portion that are connected in sequence; the insertion control portion is releasably connected with the operation control portion shell; the bending drive control unit controls the bending drive unit, the bending drive unit drives the insertion control portion, and the angle of the insertion hose portion and that of the pilot head portion are under control. The disposable electronic medical endoscope device has the advantages that the front end of the operation control portion and the rear end of the insertion control portion are provided with releasable connection means for connecting an operation portion and an insertion portion, the disposable service portion is removed and discarded after using and is replaced with a new disposable service portion, and disposability of an electronic medical endoscope is truly achieved.

The invention discloses a fry rearing device for large-scale family rearing, and belongs to the technical field of aquiculture equipment. The fry rearing device for large-scale family rearing comprises a thermal insulation water tank and a hatching rearing barrel which is arranged in the thermal insulation water tank, wherein a water level control drainage pipe is arranged in the thermal insulation water tank and is vertically inserted into the bottom of the thermal insulation water tank; the upper end of the water level control drainage pipe is lower than the height of the thermal insulationwater tank; the hatching rearing barrel consists of a barrel body and a pipe fitting which is arranged on the barrel; and the pipe fitting comprises an overflow pipe, an upper pumping pipe, a lower pumping pipe, an upper drainage pipe, a lower drainage pipe, a suction drum, a valve a, a valve b, an elbow a, an elbow b and a three-way pipe. By using the fry rearing device for fry rearing, the riskof cross infection is avoided in a water changing process, the drop speed of water temperature in the batching rearing barrel is slowed, the electric energy consumed for heating the fry rearing wateris reduced, and meanwhile, the fry rearing device is easy and convenient to operate, quick and labor-saving.

The invention discloses a system and a method for separating and treating the pollutant sources of a large-scale pig farm. The system comprises a pollutant source separation hog house, an excrement conveying device, an excrement fermenting device, a liquid conveying device, a fecaluria liquid fermenting device, a fence washing water SBR reactor and an ecological wetland, wherein the pollutant source separation hog house adopts the structure that short beams running through the whole hog house in the length direction are established in a hogcote, transverse beams and longitudinal beams are established between the short beams, a slatted floor is paved on the transverse beams and the longitudinal beams, every two short beams and a V-shaped bottom surface form a U-shaped excrement groove, the higher ends of the U-shaped excrement grooves are connected to an excrement collection pool, the lower ends of the U-shaped excrement grooves are connected to a liquid collection pool, and an excrement scrapping system is arranged in each U-shaped excrement groove. The separation of fecaluria from rainwater, drinking residual water and fence washing water and the separation of excrement from fecaluria liquid in advance are realized, so that the problem of difficult solid-liquid separation in subsequent procedures is solved, and the resource utilization and pollution treatment effect is good.

The invention relates to a reagent uniform mixing device which comprises a driving device and a reagent bottle. The driving device comprises a mounting mechanism and a transmission mechanism. The reagent bottle comprises a reagent body and a reagent bottle base mounted on the driving device. The reagent bottle base is used for loading the reagent bottle body; a through hole, through which the reagent bottle body is inserted, is formed in the reagent bottle base; and a transmission part is arranged on the reagent bottle body. The reagent bottle body is arranged on the transmission part of the reagent bottle body to rotate in the through hole driven by the transmission mechanism, and at the moment, a reagent in the reagent bottle body generates a turbulent flow under a rotating action, so that a purpose of mixing the reagent uniformly is achieved, and the risk of cross infection is avoided. The reagent uniform mixing device is high in uniform mixing efficiency, simple in structure and low in cost. A reagent uniform mixing technique is popularized and applied favorably. In addition, the invention also provides a regent uniform mixing method.

The invention relates to an intelligent unpacking, sleeving and disinfecting device for a medical ultrasonic probe isolation sleeve, and belongs to the technical field of medical equipment. The devicecomprises a disinfection case and a control device. A manipulator fixing frame, an ultraviolet lamp, a spray head, a crawler frame, a baffle plate, a cutter and a mechanical arm are arranged in the disinfection case. When an ultrasonic probe is placed on the manipulator fixing frame, a light operated sensor confirms whether the ultrasonic probe is a body surface ultrasonic probe or an intracavityultrasonic probe to perform corresponding automatic disinfection or disinfection, unpacking and sleeving. Regardless of disinfection or unpacking and sleeving of the isolation sleeve, contact of a doctor with the isolation sleeve and the ultrasonic probe is completely avoided. The device is very sanitary and safe, prevents the risk of cross infection of bacteria to patients by the external environment, and greatly saves time for the doctor to disinfect the ultrasonic probe and the isolation sleeve.

The invention relates to a fingerprint identification device with high identification precision for hospitals. The fingerprint identification device comprises a shell, a fixed plate arranged in the shell, a fingerprint acquisition mechanism, a driving mechanism, a line removing mechanism and a cleaning and disinfecting mechanism. The high-recognition-precision fingerprint identification device forhospitals carries out fingerprint collection and identification through a fingerprint identification mechanism; compared with the existing fingerprint identification device, the fingerprint identification device can perform fingerprint identification only after fingers are disinfected, so that the risk of cross infection is greatly avoided; fingerprints are clearer through the cleaning and disinfecting mechanism; sterilization and disinfection are carried out at the same time; compared with an existing disinfection mechanism, the fingerprint identification device can perform disinfection before and after fingers extend into a cleaning pipe for keeping the cleaning pipe to be clean all the time; dust is cleaned through the fingerprint removing mechanism while fingerprints are wiped away, so that the safety is guaranteed while the precision is improved; and the fingerprint identification device realizes pushing of the fingerprint acquisition mechanism, cleaning and disinfection of fingers and linkage of dust removal and fingerprint removal of the fingerprint collecting block through the motor, and is more practical.

The invention discloses a medical negative pressure sample sampling cabin, and belongs to the technical field of medical supplies and infectious disease prevention and control. The medical negative pressure sample sampling cabin comprises a workshop and a plurality of mutually independent sampling chambers, the workshop is provided with a first cabin door, each sampling chamber is provided with asecond cabin door, the workshop is connected with each sampling chamber correspondingly through a transparent sampling window, a first isolating cabin and a second isolating cabin are correspondinglyarranged on the two sides of the transparent sampling window in each sampling chamber, an introducing conveying belt for feeding a conveying box for sample sampling into the first isolating cabin andan outflow conveying belt for feeding sampled samples in the second isolating cabin to the outside of the sampling chambers are correspondingly arranged on the two sides of the interiors of the sampling chambers, sterilization devices are arranged at the tops of the sampling chambers. According to the medical negative pressure sample sampling cabin, sampled people and samplers are completely separated in physical space, the cross infection risk of operators and the sampled people can be reduced to the greatest extent, rapid response of great epidemic diseases can be realized by combining withthe movable design, and multiple scenes are rapidly assembled.

The invention relates to the technical field of Internet of Things, in particular to a rework epidemic prevention passing system and method using health code data in combination with temperature measuring equipment, and the system comprises the temperature measuring equipment which is used for detecting the body temperature of passing personnel; the identity information identification equipment is used for acquiring identity information of passing persons; the communication module is connected with the identity information identification equipment, the temperature measurement equipment and a health cloud big data center and is used for acquiring health data of the passing personnel according to the identity information; the back-end processing module is connected with the communication module, judges whether to release the current person or not according to the authority corresponding to the identity information and/or the health data and/or the body temperature, and transmits the passing record of the passing person to the health cloud big data center, and the rework epidemic prevention passing system further comprises a voice broadcast device. And the voice broadcast module is connected with the rear-end processing module and carries out voice broadcast according to a judgment result of the rear-end processing module.

The invention discloses a bagged product peeling machine and a control method thereof. The bagged product peeling machine comprises a shell. The feeding platform is arranged in the shell, and bagged products are placed on the feeding platform; the first driving assembly is arranged on one side of the discharging port of the shell, and the first driving assembly is used for driving bagged products on the feeding platform to move and can be used for clamping and fixing the first end of a packaging bag; and the second driving assembly is arranged in the shell, and the second driving assembly is used for driving the bagged products on the feeding platform to move and can be used for clamping and fixing the second end of the packaging bag. The bagged product peeling machine can be used for peeling reagent bags and the like, through mutual cooperation of the second driving assembly and the first driving assembly, materials are relatively ejected out from the front ends of packaging bags, the stability of peeling the materials and the packaging bags is enhanced, and therefore the time cost and the economic cost of peeling are reduced, and the working efficiency is improved; and in the process of stripping the materials and the packaging bags, manual participation is not needed, and the risk of cross infection is avoided.

The invention relates to a construction site emergency management system. The construction site emergency management system comprises an intelligent robot, an intelligent detection device and a dronedisinfection unit, the intelligent robot is connected with a grade-A tertiary hospital health system, the intelligent robot, the drone disinfection unit and a monitoring group are connected with an administrator computer data terminal and a cloud database, the intelligent robot comprises a robot main body, mechanical arms arranged on the two sides of the robot body, a throat swab sample storage box arranged in the center, a medical high-definition camera, a voice guiding device, a medical material storage box arranged at the lower portion, a daily material storage box, a moving device arrangedat the bottommost portion and a telescopic device arranged at the bottom, wherein the medical high-definition camera and the voice guiding device are arranged at the top of the robot, and the intelligent detection device comprises a body temperature detector, a heart rate detector, a virus nucleic acid detector and an alarm device. The construction site emergency management system is novel in design, high in practicability, high in safety degree, good in timeliness, high in social benefit, good in development prospect and high in intelligent degree.

The invention relates to the field of medical treatment, and particularly relates to a medical cotton swab processing device. The medical cotton swab processing device comprises a working frame plate,a fixed bottom plate, a feeding port, an operation control screen, a transfer mechanism, a cotton ball separation mechanism, a storage cabin and a stick collection mechanism, wherein the working frame plate is welded with the fixed bottom plate. The medical cotton swab processing device has the advantages that used cotton swabs are collected in time, the risk of cross infection caused by volatilization of liquid with germs is prevented, the cotton swabs are separated from cotton balls and sticks, the cotton balls with the liquid are placed in a centralized manner, the cotton balls can be processed in a centralized manner, the sticks are stacked in order, space is saved, and subsequent processing is benefited.

The invention relates to recombinant lactic acid bacteria of pig interleukin 10. Ribose nucleic acid (RNA) in pig spleen cells is used as a template; poIL-10 genes are obtained by reverse transcription-polymerase chain reaction (RT-PCR) technology; the poIL-10 genes are transformed into escherichia coli after being connected with a pMD18T vector of a cloning vector; and the poIL-10 genes are inserted into an escherichia coli-lactic acid bacterium shuttle expression plasmid pW425et to build a recombinant plasmid pW425et-poIL-10 and electrically transform the recombinant plasmid pW425et-poIL-10into the lactic acid bacteria to obtain the recombinant lactic acid bacteria capable of stably expressing the pig interleukin 10. The recombinant lactic acid bacteria can be planted in intestinal canals through oral administration, stably express the pig interleukin 10, effectively regulate immune functions of organisms, stimulate proliferation of cells B, improve the levels of IgG, IgM and IgA of serum, improve the capability of the organisms generating specific antibodies for pathogenic microorganisms, ensure healthy growth of pigs and promote sustainable and healthy development of animal husbandry.

The invention belongs to the technical field of plant grafting, and particularly discloses a grafting and cultivating method for kiwifruit. The method includes the steps of A, rootstock selection and treatment; B, scion preparation; C, scion cutting, wherein all scions which need to be cut are fixed side by side on a plane firstly so that the bud points on all the scions can be on the same horizontal line, the 4-5 cm position under each bud is cut off with a cutting knife, the cutting knife is used for cutting under each bud point to form a long cutting surface with the length of 2.5-3 cm, the opposite sides of the cutting surfaces of all the scions are cut by the cutting knife to form short cutting surfaces with the length which is one third of the length of each long cutting surface, each long and short cutting surfaces have xylem, the thin-soft part of the bottom of each scion is cut away by the cutting knife, and finally, the 2-3 cm position on each bud is cut off by the cutting knife; D, grafting. Through the grafting and cultivating method for the kiwifruit, the sections of the scions are smooth, the scions and rootstock are bonded more tightly, multiple scions are cut one time, and the survival rate is high.

The invention provides a movable throat swab sampling robot. The movable throat swab sampling robot comprises a multi-degree-of-freedom mechanical arm, a cap screwing and shearing system, an inactivation box, a throat swab tube array fixing position, a mouthpiece bracket and a culture solution tube array fixing position, so that full-automatic or semi-automatic throat swab sampling operation is carried out; a positioning sensor is arranged at the bottom of a storage groove in the throat swab tube array fixing position, and the positioning sensor is used to judge whether a throat swab tube exists in the storage groove at present or not; a containing cavity is formed inside the throat swab tube array fixing position and communicates with the storage groove; a clamping piece is arranged inside the containing cavity; and the end, away from the containing cavity, of the clamping piece extends into the storage groove. The multi-degree-of-freedom mechanical arm is controlled to grab according to a real-time feedback result, so that the repetition of the moving path of the multi-degree-of-freedom mechanical arm when passing through the position of the storage groove with no test tube is avoided, and the throat swab tube grabbing efficiency of the multi-degree-of-freedom mechanical arm is effectively improved.