294results about How to "Avoid the risk of infection" patented technology

A device for removing fluid from a first bodily cavity and for directing that fluid into a second bodily cavity while avoiding risks of infection and, in one embodiment, excessive dehydration of the first bodily cavity. The device includes an uptake tube having a proximal end in fluid communication with the first bodily cavity and a distal end in fluid communication with a pump, and an outflow tube having a proximal end in fluid communication with the pump and a distal end in fluid communication with the second bodily cavity. The distal end of the uptake tube may be coupled to a reservoir configured to expand upon ingression of fluid into the reservoir and to contract upon removal of fluid due to a negative pressure provided by the pump.

A sample test automation system which is capable of reducing the workload of an operator and precisely carrying out necessary processes of each of samples without stagnation. In the sample test automation system, a sample tray 120 on which a plurality of samples 150 can be installed is prepared, an identifier for distinguishing the sample tray 120 is attached to the sample tray 120, a sample introducing unit 10 is provided with an identifier reading apparatus 111 which reads the identifier of the sample tray 120, and information about the samples 150 is switched based on the read identifier of the sample tray 120.

The invention provides a composition of instant freeze-dried fibrinogen and thrombin preparation, a preparation method and a use thereof, and the composition comprises composition 1 composed of 35-70mg/ml of fibrinogen, 9-15mg/ml of sodium citrate, 7-12mg/ml of sodium chloride, 0.3-0.6mg/ml of polysorbate-80, 10-15mg/ml of mannitol, 4 -8mg/ml of arginine and 3.5-5.5mg/ml of glutamic acid by mg/ml and composition 2 composed of 700-1,200 mg/ml of thrombin, 3-6mg/ml of dextran 20, 15-25mg/ml of glycine, 5-7mg/ml of sodium chloride and 4-7mg/ml of calcium chloride by mg/ml. A sealant avoids the risk of spreading of AIDS virus, and the like, increases the drug stability, reduces the degeneration during the virus inactivation process by dry-heat method, protects biological activity, avoids local liquid storage of the using part caused by high permeability and the irritation of a large amount of inorganic salts to tissues, is conductive to the healing of trauma sites and ensures product safety and independent package to the maximum extent, thereby increasing storage time, facilitating use and meeting the clinical and field first-aid needs.

Disclosed is a vaccine composition for transdermal administration to induce cellular immunity, comprising an antigen, wherein Th1 cell ratio in a model animal for immunological evaluation that received the composition is 10% or more.

The invention discloses a focused ultrasonic-wave point treatment device, comprising a host machine and a treatment gun. The treatment gun is connected with the host machine through a connecting cable; an ultrasonic transducer that can generate focused ultrasonic-waves is arranged inside the treatment gun; an acoustic-field controlling unit that leads the ultrasonic transducer to generate a non-axial symmetry acoustic field is included inside the treatment gun. The focused ultrasonic-wave point treatment device is a noninvasive treatment device, effectively increases the therapeutic safety, and achieves the same curative effect with the traditional acupuncture.

The invention provides a method for scanning a two-dimensional code to conduct cloud printing. A configuration tool is utilized, by reading specific printer information of printing stations, a solely corresponding two-dimensional code is generated for each printing station, and the two-dimensional code can be displayed on a touch screen or a display screen of a printer or a photocopier. A user uploads a file to be printed to a cloud side, intelligent equipment is utilized to scan the two-dimensional code of the printer, two-dimensional code information recognition is conducted, and a current printer is matched. After matching is completed, a cloud printing gateway transmits the file uploaded by the user to the current printer from the cloud side. At this moment, the user pays a bill on line and starts printing. During implementation, the printing stations do not need to be provided with additional hardware for two-dimensional code recognition, and many problems that a traditional printing file is inconvenient to transmit, change is inconveniently conducted, and virus infection is caused are solved.

The invention discloses a non-invasive blood sugar detecting instrument which comprises a casing, a movement in the inner portion of the casing and a detecting head which is connected with the casing. The surface of the casing is provided with an operational push-button and an input key which marks the invasive blood sugar value, and the movement comprises a preamplifier, an A/D conversion circuit, a MCU system, a display, an acoustic prompting and warning circuit, a switch voltage stabilized source circuit, a power supply switch and an alternating current power supply socket. The detecting head is constituted by the connection of the temperature measuring contact of a temperature sensor on the front end and an ear notch accommodator on the rear portion, wherein the ear notch accommodator is constituted by a thermosensitive resistor temperature sensor on the middle portion, coated good heat conductor filling and metal shell, and the thermosensitive resistor temperature sensor is connected with a conversion circuit which transforms temperature signal into electrical signal and the preamplifier in the movement through wires. The invention solves the problems of non invasive, low cost and the precision detecting of blood sugar value.

The invention provides a blocking type intravenous infusion catheter device which comprises a rigid needle tube, a needle tube base, a flexible infusion catheter and an infusion catheter base, whereinthe rigid needle tube is used for piercing skin and vein walls; the bottom end of the needle tube is fixed in the needle tube base; the infusion catheter base is hermetically connected with the bottom end of the infusion catheter; the front end of the needle tube penetrates through a sealing plug and is positioned in the inner cavity of the infusion catheter; and the tip of the needle tube is exposed from an opening in the top end of the infusion catheter. The blocking type intravenous infusion catheter device is characterized by also comprising a movable blocking component which is externally isolated, at least the blocking part of the blocking component can enter the inner cavity of the infusion catheter through the inner cavity of the infusion catheter base under the driving of the external force, and the blocking part of the blocking component can move to the opening in the top end of the infusion catheter along the inner cavity of the infusion catheter and block the opening so asto prevent the blood from entering the inner cavity of the infusion catheter and simultaneously prevent the liquid medicine from entering veins.

The invention provides an umbilic clamping cutter, comprising a pushing and cutting rod, a mother clamp, an infant clamp and a clamp holder, wherein one end of the pushing and cutting rod is provided with a blade while the other end is a cartoon; one surface of the pushing and cutting rod is fixed with a pick matched with the infant clamp; and one end of the clamp holder is connected with the mother clamp and the infant clamp while an inwall chute at the other end thereof is matched with the pushing and cutting rod. As one end of the clamp holder is manufactured into a big opening, only one end of the clamp holder operates by fingers, the whole operation process can be seen clearly from the big opening; the umbilical cord is clamped by two clamps in advance so as to facilitate the blade to cut; when in operation, the pushing and cutting rod is driven by hands to cut the umbilical cord actively like an injector, thus having easy cut-off and good cutting effect, saving labor, and avoiding blood from sputtering, thereby ensuring physical and psychological health of medical care personnel. The umbilical cord is clamped at first and then the blade is moved to cut, so the length of the reserved umbilical head can be short so as to shorten the drying time thereof, accelerate drop of umbilical head and avoid infection risk induced by the overlong reserved umbilical head.

With an object of providing an artificial sphincter for which repeated shape changes are possible, and for which the quantity of shape change is sufficient so as to be used as a substitute for a large natural sphincter, an artificial sphincter 11 that opens and closes, as required, either the anus of a living body or part of the intestine 19 led outside the body is provided, wherein this artificial sphincter 11 comprises a pair of shape memory alloy elements 13 that change reversibly between two opposite shapes upon changes in temperature and hinges 15 that link the shape memory alloy elements 1 together in a cylindrical shape.

The invention provides an intelligent throat swab specimen collection robot. The intelligent throat swab specimen collection robot comprises an isolation screen, a collection swab storage box, a tongue depressor storage box, a collection swab manipulator and a tongue depressor manipulator are arranged on the outer side face of the isolation screen, and a conveying rail used for conveying reagent bottles and a cutting device used for cutting sampled collection swabs are arranged on the lower portion of the inner side face of the isolation screen; reagent bottle conveying holes are formed in thepositions, corresponding to the conveying rails, of the isolation screen, and storage boxes used for containing reagent bottles are arranged on the outer side face of the isolation screen; a bottle opening and closing device which is used for opening and closing bottle caps of the reagent bottles and can stretch out and draw back up and down and rotate is arranged at the position, above the conveying rail, of the inner side face of the isolation screen; the outer side face of the isolation screen is further provided with a motor box used for providing power for all components of the device. Atransverse through groove allowing the collection swab and the tongue depressor to penetrate and move and a vertical through groove allowing the collection swab mechanical arm to enter and exit are formed in the middle of the isolation screen. The accuracy and consistency of specimen collection are ensured, and the accuracy of specimen collection is improved.

The invention discloses bacillus subtilis JN005 and application thereof in prevention and control of rice blast. The preservation number of the strain JN005 is CCTCC No: M2015228. According to the invention, the strain JN005 is utilized to prevent and control the rice blast, so as to avoid potential bad influence of chemical prevention and control on environment and rice safety and disease risk of disease-resistant variety utilization. The strain JN005 living bacteria and metabolite thereof have good prevention and control effect on rice blast and have protection and control effects, and can be developed to dosage forms of the living bactericide and metabolite thereof. In addition, the strain JN005 has inhibition effect on multiple pathogeny indicator bacteria.

The present invention aims to provide a vaccine pharmaceutical composition universally usable for induction of humoral immunity against various antigens and exerting a high antibody production inducing effect. The present invention relates to a vaccine pharmaceutical composition for inducing humoral immunity, including: an antigen; and an immunity induction promoter that is a bisphosphonate.

The invention provides a sulfur-dioxide-free full juice fermented orange wine and a production process thereof, belonging to fermented fruit wines and production technologies thereof. The production process comprises the steps of making the juice turbid and making the pulp resist oxidation, adjusting the acidity of the juice and neutralizing bitter precursor substances, making the juice resist bacteria and adjusting the sugar content, preparing mother liquor of the wine, blending and fermenting the juice, ageing the wine base, fining and blending the aged wine base and adjusting the taste of the aged wine base, wherein the juice comprises essential oil, calcium oil and bitter substances. The orange wine has the beneficial effects that an innovative process of replacing SO2 with a composite of non-toxic materials such as antibacterial and oxidation-resistant D-erythorbic acid, nisin, sorbic acid, chitosan and the like is adopted; compared with traditional processes, in the production process, the operation of adding toxic gaseous and liquid SO2 step by step is safer and more convenient; the production process is an innovation of popularizing the traditional processes of wines for more than a hundred years to make wine with other fruit raw materials; the navel orange wine produced by the technology does not contain SO2 and has the advantages that the content of methanol is reduced by about 90%, the content of fusel oil is reduced by about 65% and the harmful ingredients such as bioamine, sulfate, methanol, fusel oil and the like are controlled compared with the fruit wines produced by the traditional processes.

The invention discloses an elevator button separating membrane automatic winding, unwinding and sterilizing device. The device comprises a human hand presence/absence photoelectric sensor, a disinfectant sprinkler head and a disinfectant feed pump which are mounted on a mounting bottom plate, a guide roller, a friction guide roller and a drive axle which are wound on the unwinding side of an unwinding position separating membrane drum, a guide roller wound on the winding side of the unwinding position separating membrane drum, and a transparent separating membrane arranged on the unwinding position separating membrane drum. The device is mounted in front of elevator buttons, and the transparent separating membrane in the device covers the front portions of the elevator buttons; a person only needs to make contact with the transparent separating membrane by hand so as to operate the elevator buttons, and accordingly, the hidden danger that the person is infected with infectious diseasesthrough the elevator buttons is avoided; each time the elevator buttons are operated, the device automatically winds up the used segment of the transparent separating membrane and replaces the used segment with an unused segment of the transparent separating membrane, and therefore, the hidden danger of infecting with infectious diseases through the transparent separating membrane is also avoided; and furthermore, the device can sterilize the used segment of the transparent separating membrane automatically, and the hidden danger that viruses on the used segment of the transparent separatingmembrane contaminate air in an elevator is avoided.

Adipose tissue cryopreservation liquid at a clinical application level and a cryopreservation method. The adipose tissue cryopreservation liquid at the clinical application level comprises 15-50-mmol/L saccharose, 15-50-mmol/L mannitol injection, 1-5-mmol/L glucose injection, 1-3-mol/L adenosine injection, 0.5-5-mmol/L reduced glutathione, 1-4.5-mol/L trehalose and 0.1-1-mmol/L EDTA-2Na; and the components are mixed to form mixed liquid, and the mixed liquid is the adipose tissue cryopreservation liquid at the clinical application level. By means of the adipose tissue cryopreservation liquid,in combination with the cryopreservation method thereof, at the clinical application level, the defect of adverse reaction due to 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid (HEPES), phenol red, DMSO, animal serum, blood platelet extracts and the like which are used in the prior art is effectively overcome.

The invention belongs to the technical field of stem cells, in particular to a method for large-scale expansion of mesenchymal stem cells. The method provided by the invention adopts a biodegradable gelatin microcarrier and combines with an intermittent stirring method to carry out suspension culture and jointly promotes the culture of mesenchymal stem cells. At the same time, in the cell cultureprocess, the serum-free medium is used instead of animal serum medium as the cell culture medium, which will not bring any mycoplasma and virus, thus avoiding the risk of virus infection. The method of the invention is simple in operation and low in cost, and can not only promote the culture of mesenchymal stem cells, but also maintain cell dryness and differentiation potential.

The invention discloses a medical needle stick injury preventing device, which is characterized in that: an outer shell is internally provided with a lock catch; the lock catch is internally provided with a limit stop which is provided with a through hole used for the passing-through of a needle tube; the needle tube is provided with a lug boss; the inner wall of the outer shell is provided with a concave groove; the front end of the outer shell is provided with a lug boss; the lock catch is internally provided with an empty cavity used for containing the limit stop; the surface of the lock catch is provided with a convex piece; the rear end of the lock catch is provided with a base body; the inner wall of the base body is provided with a concave and convex part; the surface of the limit stop is provided with a concave and convex part; the front end of the lock catch has two spring plates in shape of '7'. Due to that the needle stick injury preventing device is additionally arranged on the invention, the lock catch is arranged inside the outer shell, and the limit stop is arranged inside the lock catch, when in use and when the normal puncture operation of infusion and injection is completed, medical staff pull out the needle tube and move the base of the needle tube, and put the tip of the needle tube into the lock catch of the needle stick injury preventing device; the function of the lock catch ensures the needle tip does not extend out of the lock catch and the outer shell, thus preventing needle stick injuries and avoiding the danger of inflection of the medical staff due to the needle stick injury; in addition, the medical needle stick injury preventing device has the advantages of simple structure and convenient operation.

The utility model relates to an adaptive drive system of an aortic blood pump position, belonging to the field of biomedical engineering. The system consists of an in vitro permanent magnet rotor (1), a brushless motor (3) and an in vivo aortic blood pump body (2), wherein an in vitro permanent magnet is a radially magnetized cylindrical permanent magnet, and the aortic blood pump body consists of a blood pump housing and a radially magnetized impeller arranged in the blood pump housing; and the in vitro permanent magnet is driven by the in vitro brushless motor, and the in vitro permanent magnet rotor drives the aortic blood pump to rotate to supply blood to the human body because of the presence of magnetic coupling. The invention adopts the in vitro rotating magnetic field to directly supply kinetic energy to the blood pump without built-in batteries and transcutaneous leads, so that the risk of infection is avoided, and the quality of life of patients is improved. The system can adjust and ensure that the in vivo blood pump and the in vitro permanent magnet rotor are parallel or form a minimum angle, and the position of the in vivo blood pump can be adjusted by the in vitro permanent magnet rotor.

The invention discloses a disposable circumcision anastomat which comprises an external ring and an internal ring, wherein the external ring or internal ring is at least provided with double-knife-edge structures, a plurality of cutting blades for cutting necrotic foreskin into pieces are arranged between every two adjacent double-knife-edge structures, the cutting blade is not lower than the adjacent knife edges, and the double-knife-edge structures naturally form drug cavities and barriers for blocking the entry of outside bacteria, thereby simplifying the instrument, increasing the functions and enhancing the surgical standardized operability. By adopting the structure, the disposable circumcision anastomat is safer, more sanitary, and more convenient and efficient to use.