62results about How to "Cause infection" patented technology

The invention discloses a safety venous indwelling needle with a needleless interface positive-pressure closing valve, comprising a puncture needle, a puncture needle seat and a handle, wherein, the puncture needle is formed into a puncture needle protection assembly by a puncture protection sleeve, a spring, a plunger latch and an escapement clamp; a venous indwelling needle is formed by an indwelling needle soft tube, a puncture needle guide tube, an indwelling needle seat and a sealing plug; a needless interface positive-pressure closing valve is formed by a shell, a piston, a seal ring, a spring, a connecting soft tube and a base; the positive-pressure closing valve and a liquid out plug separated structure do not involve the indwelling needle, are easy to operate, can reduce pain, and avoid the indwelling needle from taking off; the puncture needle protection sleeve can protect the puncture needle before and after the use of the indwelling needle, has the advantages of without added length, small and exquisite volume, good hand feel, accurate control, high puncture precision, and convenience for puncture operation and the like, can automatically retract to protect the puncture needle, can avoid acupuncture injury on medical workers, has positive pressure closing function, can prevent venous blood flowing back and overflowing, prevent blood from being polluted and avoid the blood from forming blocking in the indwelling needle, does not need heparin tube closing and other operation, has needless connection function, and can avoid needle injury, improve working efficiency and protect the safety of medical workers and patients.

The invention discloses a method for the noninvasive measurement of blood spectra and components, which comprises the following steps: 1, adopting a high-speed optical spectrometer to continuously measure the transmitted spectra of a measured body: Alambda:{A1, A2, A3, ellipsis, Am}, {A1, A2, A3, ellipsis, Am}, ellipsis {A1, A2, A3, ellipsis, Am}; 2, sequencing light intensity values of all wavelengths according to the time for a plurality of continuous spectra to obtain a pulse wave of each wavelength: A1: {A1, A1, A1, ..., A1}, A2:{A2, A2, A2, ellipsis, A2}, ellipsis, A1:{Am, Am, Am, ellipsis, Am}; 3, performing Fourier transformation on the pulse wave of each wavelength, taking a harmonic wave aj with the maximum amplitude value, and rearranging the amplitude value of the harmonic wave of each wavelength according to a time sequence to form a spectrum {a1, a2, a3, ellipsis, am} which is an artery blood spectrum for an artery part, wherein i is the harmonic wave with the maximum amplitude value, and j is the wavelength; and 4, performing stoichiometric analysis on the artery blood spectrum so as to detect out the blood components in a noninvasive mode. The method does not need to collect blood directly, cannot cause any damages and infections to a human body, can achieve real-time monitoring, and cannot cause secondary pollution.

The invention relates to a bladder power pump utilizing the magnetic force to assist the bladder to urinate, which comprises a magnetic active cell (1), a stator (2) and a magnetic controller (3), wherein, the magnetic controller (3) generates magnetic field if switched on and enables the magnetic force to work on the magnetic active cell (1); the magnetic active cell (1) comprises a flexible sheet (12) and a plurality of permanent magnetic sheets (13), and the permanent magnetic sheets (13) are enwrapped with the flexible sheet (12); the flexible sheet (12) enwrapping the permanent magnetic sheets (13) surrounds a gourd-shaped structure with the stator (2) to circle the outside of the bladder (10) to build a variable working cavity (11); the upper end of the flexible sheet (12) enwrapping the permanent magnetic sheets (13) is contacted and adhered with the stator (2); a through hole (9) of ureter communicating a ureter (8) with a ureter port (a) inside the bladder wall, and a urethra bayonet (7) held at a urethral meatus (b) of a urethra (8) are respectively arranged at the lower end of the flexible sheet (12) where the permanent magnetic sheets (13) are not enwrapped; and the lower end of the flexible sheet (12) where the permanent magnetic sheets (13) are not enwrapped is contacted and adhered with the stator (2). The invention can effectively assist the neurogenic bladder dysfunction sufferer to realize emiction and has the advantages of ingenious design, simple structure, safe use, convenience and practicality.

The invention relates to the technical field of medical devices, and discloses a nuclear magnetic resonance examination couch and a method for cleaning a nuclear magnetic resonance scanner. The nuclear magnetic resonance examination couch comprises a couch body, a couch base and a disinfection and sterilization device installed on the couch body, wherein the couch body moves along the couch base, the disinfection and sterilization device comprises a plastic arc-shaped frame and an alcohol cotton piece cleaning mechanism, the plastic arc-shaped frame is installed at the position, close to the nuclear magnetic resonance scanner, of the couch body, and the outer diameter of the plastic arc-shaped frame matches with the inner diameter of an examination space of the nuclear magnetic resonance scanner. According to the nuclear magnetic resonance examination couch and the method for cleaning the nuclear magnetic resonance scanner, the problem that the interior of the nuclear magnetic resonance scanner cannot be automatically and effectively sterilized in the prior art is solved.

The invention relates to the technical field of medical instruments for gynecological disease treatment, in particular to an easy-to-take pessary assembly for gynaecology and obstetrics. The assemblycomprises a pessary for supporting prolapsed pelvic organs and a pair of taking forceps for taking the pessary, wherein the pessary comprises a disc-shaped supporting body playing a supporting role and a plurality of suction cups arranged on the outer side of the supporting body for a circle and used for adsorbing the uterine wall; the supporting body comprises a middle supporting layer used for providing supporting capacity; a protective layer used for protecting the top of the pessary is connected to the upper portion of the middle supporting layer; a bottom connecting layer used for takingthe pessary is connected to the lower portion of the middle supporting layer; the taking forceps are divided into a left forceps body and a right forceps body; a balloon used for storing fluid media is arranged between forceps handles of the left forceps body and the right forceps body; and the balloon is used for relieving adsorption of the pessary to the uterus. The invention provides the easy-to-take pessary assembly.

The invention provides a steam driving urination boosting system based on magnetic resonance coupling. The system comprises a high-frequency power supply, a first compensation capacitor, a second compensation capacitor, resonance coils comprising a transmitting coil and a receiving coil, a bed frame which is fixed on the pubis, a urethra valve which is fixed on the bed frame and a driving sac of which the upper end is fixed on the bed frame, wherein a working medium is stored in the closed driving sac; the transmitting coil is held in a hand and presses the anterior abdominal wall; the receiving coil is fixed in the closed driving sac; the first compensation capacitor is connected in series with the transmitting coil and the high-frequency power supply; a heating wire is soaked in the liquid-state working medium, and is connected in series with the receiving coil and the second compensation capacitor; the bed frame and the urethra valve are fixed on the periphery of a covering film; the urethra valve is an elastic element coating urethra, and is fixed on the bed frame. The system has a simple and light structure, realizes high-efficiency non-contact electric transmission, has stable driving capacity, and does not cause infection, injury, urine leakage or backflow.

The invention discloses a negative pressure aspirator. The negative pressure aspirator comprises an anti-check valve and a liquid collecting bottle, wherein a suction tube is arranged at the upper endof the anti-check valve; check devices are arranged in the anti-check valve; each check device comprises a second piston and a screw rod, and the screw rod is arranged at the left end of the second piston; third pistons are arranged below the check devices; lockers are arranged below the third pistons; each locker comprises a first piston and a locking rod; and the anti-check valve is arranged between the suction tube and the liquid collecting bottle. The plurality of pistons, check devices and locking rods are arranged in the anti-check valve; linkage control is conducted on the check devices and the locking rods by means of a negative pressure environment in the liquid collecting bottle; in the negative pressure environment, the check devices can be opened, so that the suction tube cansuck liquid such as blood into the liquid collecting bottle; and when the negative pressure environment does not exist, the check devices can be closed immediately, so that the liquid in the suction tube cannot flow back to pollute an operating table to cause patient infection when a suction bag is replaced.

The invention discloses an emergency ward service system. The system comprises an intelligent emergency treatment injury examination system connected with a communication unit and used for shortening time for the injury examination after a wounded person arrives at an emergency room and enabling related medical workers to make preparations, a disinfection treatment device communicated with the communication unit and used for achieving surgery instrument disinfection, an emergency treatment electronic medical record system communicated with the communication unit and used for carrying along medical records, a controller communicated with the communication unit and used for achieving the coordinated work of the intelligent emergency treatment injury examination system, the disinfection treatment device and the emergency treatment electronic medical record system, and the communication unit connected with the connection controller through a serial port RS485 or SG or a network, and the controller is in communication with the intelligent emergency treatment injury examination system, the disinfection treatment device and the emergency treatment electronic medical record system. The emergency ward service system further comprises a vomit bag used for preventing the patient from vomiting. The efficiency of emergency treatment of the patient is improved, and a guarantee is provided for saving emergency time.

The invention discloses a big data-based waste medical instrument transfer and disinfection robot, which comprises supporting frames, an adjusting assembly I, an adjusting assembly II and an operation assembly, the two sides of the adjusting assembly I are both provided with the supporting frames, one side of each supporting frame is welded with a first slide rail, and one side of each supporting frame is welded with a first slide rail. By adjusting a first adjusting assembly, the left-right position of a pneumatic clamping device is adjusted, waste medical instruments placed at different positions can be conveniently clamped and transferred by a clamping plate, the use flexibility of the transfer and disinfection robot is achieved, a second sliding rail is welded to a connecting plate, it is guaranteed that the clamping plate is more stable when the position is adjusted left and right; and the height of the clamping plate is changed, so that the clamping plate can transfer waste medical instruments of different specifications conveniently, the waste medical instruments are transferred through the disinfection robot, on one hand, manpower can be saved, and on the other hand, the working efficiency can be improved.

The invention discloses a PCR sampling detection device. The device comprises a detection box, a PCR reaction prefabricated tube, a fluorescent probe, a heating device and a sampler. The upper end ofdetection box is opened, and a support ring is arranged in the upper end; the PCR reaction prefabricated tube is fixedly connected to the supporting ring, and the middle part of the PCR reaction prefabricated tube downwards protrudes out of a through hole in the center of the supporting ring; the fluorescent probe is fixedly connected to the lower end face of the supporting ring and right faces the downward-protruding part of the PCR reaction prefabricated tube; the heating device is installed below the middle of the PCR reaction prefabricated tube and fixedly connected into the detection box,and the sampler can cover the upper end of the detection box and squeeze liquid on the sampling test paper into the PCR reaction prefabricated tube. After the detection device is covered with the sampled sampler, a sample on the sampling test paper head of the sampler is squeezed into the PCR reaction prefabricated tube and subjected to a heating reaction, the fluorescent probe is adopted for detection, PCR rapid sampling detection is achieved, the structure is greatly simplified, carrying is convenient, the cost is greatly reduced, and constant-temperature detection can be achieved.

The invention discloses a photosensitive resin fracture dressing barrel, relating to the field of medical apparatus and instruments for the department of orthopaedics. The photosensitive resin fracture dressing barrel comprises an inner barrel body, an outer barrel body and a sealing cap, wherein the outer barrel body is made of a transparent rubber material; the inner barrel body is also made of the transparent rubber material; the diameter of the inner barrel body is smaller than that of the outer barrel body, the inner barrel body is sleeved by the outer barrel body, the inner barrel body and the outer barrel body are in central symmetry, and the length of the inner barrel body is equal to that of the outer barrel body; two ends of the outer surface of the inner barrel body and two ends of the inner surface of the outer barrel body are fixedly connected through the sealing cap; a cavity is formed between the inner barrel body and the outer barrel body, and filled with photosensitive resin filling liquid. The photosensitive resin fracture dressing barrel is simple in structure and convenient to use, the workload of a doctor is alleviated, and the recovery of the fracture patient is facilitated.

The invention relates to the technical field of medical automatic nursing, and discloses an automatic nursing device for a patient with mobility difficulties in the respiratory medicine department. The automatic nursing device comprises a machine body; a first lifting groove is formed in the middle of the left side of the machine body; a lead screw is rotatably connected into the first lifting groove; the upper end of a rod body of the lead screw is in threaded connection with a first connecting plate; the lower end of the rod body of the lead screw is in threaded connection with a second connecting plate; and a first fixing frame is fixedly installed on the left side of the first connecting plate. According to the automatic nursing device for the patient with mobility difficulties in the respiratory medicine department, a servo motor in a driving chamber is started to drive the lead screw to rotate, so that the first fixing frame and a second fixing frame are driven to move up and down, and the height of a wash trough is adjusted; and practical required heights of patients, family members and nurses with different heights can be conveniently adjusted, the practicability is high, the patient does not need to leave the bed for washing, and the convenience is greatly improved.

The invention relates to the technical field of beverage packaging, in particular to a bottle cap capable of avoiding mistaking. The bottle cap comprises a cap body, side grooves and labels, wherein aplurality of evenly distributed side grooves are arranged on the circumference of the cap body, and the depth of each side groove is 1 mm; the labels marked with different letters are stuck inside each side groove; and drinkers only need to tear down the respective selected letter labels by the fingers when the bottle cap is in use. The invention is convenient for making different markers when aplurality of drinkers drink the same beverage together, and further avoids the possibility that the drinker is infected with diseases by drinking the beverage of others; and compared with the prior art, the bottle cap is safer and more sanitary.

The invention relates to an anti-virus-pollution recyclable mask and a preparation method, and belongs to the technical field of medical equipment. The mask comprises a mask body and ear bands, and ischaracterized in that the mask body comprises an inner layer and an outer layer, the inner layer is a skin-friendly medical non-woven fabric layer and a filtering layer, the outer layer is a filtering isolation layer and an outer side layer, and an adsorption sterilization layer is further attached to the outer layer to form an antimicrobial layer to inhibit and kill pathogenic microorganisms (such as high-activity viruses) attached and adsorbed to the outer layer of the mask. The layers are located on the mask outer layer and the outer filtering layer, edible salt is safe, and the mask is harmless to the human body and free of toxic and side effects. Aiming at viruses (such as 2019 new coronavirus) with long in-vitro survival time and strong infectivity, the possibility of infection andpropagation caused by the viruses attached to the outer side of the medical mask is avoided; when epidemic situations are tense and the mask supply is short, the disposable mask can be safely and repeatedly used, equivalently, the mask productivity is increased, and good social benefits are achieved.

The invention discloses paper diapers adopting water-absorbing macromolecule materials and a preparation method of the paper diapers adopting water-absorbing macromolecule materials, and belongs to the technical field of paper diapers. The paper diapers adopting water-absorbing macromolecule materials comprise a surface coating layer, an absorption sandwich layer and a backing cloth, wherein the surface coating layer adopts skin-friendly non-woven fabrics, the absorption sandwich layer adopts water-absorbing macromolecule materials, the backing cloth adopts PE films, the water-absorbing macromolecule materials consist of the following components of licorice roots, glabrous greenbrier rhizomes, honeysuckle flowers, gardenia stenophylla Merr, milk protein fibers, acrylic acid, acetyl chitin,polyacrylamide, methyl methacrylate, vinyl acetate, a cross-linking agent and an initiating agent. According to the paper diapers adopting water-absorbing macromolecule materials disclosed by the invention, the absorbing capacity and the absorbing rate of infant urine by the paper diapers can be effectively increased, the situation of urine leakage produced due to large urine discharging quantityof infants in the use process of the paper diapers can be avoided, besides, the bacterium restraining and bacterium resisting effects of the paper diapers can also be effectively improved, breeding of bacteria in the urine can be restrained, and the situation that bacteria bred in the urine infect infant skin can be avoided.

The invention discloses a respirator and an air passage auxiliary device thereof. The respirator comprises a box body. The lower end of the box body is fixedly connected with wheels. An ultraviolet sterilizing lamp is fixedly connected in the box body, the upper end of the box body is provided with a box cover through screws, and the upper end of the box cover is fixedly connected with a support column. The respirator and the air passage auxiliary device have the following technical advantage that (1) a connector of the respirator does not need to be directly connected with a breathing tube through threads but connected by matching of a threaded sleeve and a connecting sleeve to avoid damage to the connector; (2) the box cover of the box body is provided with a through slot for convenientstorage of a breathing head which is limited by a limit strip and prevented from being directly hung on the respirator and causing bacterial infection accordingly; (3) the bottom of the respirator isprovided with the box body provided with the ultraviolet sterilizing lamp to facilitate timely sterilization of the breathing head; (4) the ultraviolet sterilizing lamp can work as long as the breathing head enters the box body, and the fact that sterilization is forgotten is avoided.

The invention discloses an intelligent anti-infective nursing drug-changing plate, and relates to the technical field of medical equipment. The intelligent anti-infective nursing drug-changing plate comprises a drug plate body, a rotating disc, a top cover and a dirt box. A plurality of first grooves are formed in one surface of a rectangular block. A rectangular box is fixed to the inner bottom face of the drug plate body. A plurality of function keys are fixed to one surface of the drug plate body. A second cylinder is fixed to the inner bottom face of the drug plate body. A second groove isformed in one end of the second cylinder. A fixed table is fixed to the inner bottom face of the rotating disc. A plurality of labels are fixed to one surface of the fixed table. A sensor is fixed toone surface of the top cover. The dirt box is matched with the rectangular box. A plurality of fixed columns are fixed to one end face of the dirt box. According to the intelligent anti-infective nursing drug-changing plate, by arranging the replaceable dirt box, a dirt bag is placed in the dirt box, the dirt bag is sealed after drug changing is completed, and thus infection caused by dirt is avoided; and by arranging the intelligent rotating disc, corresponding drugs can be selected according to the needs, and the problems that as for an existing drug-changing plate, drugs are inconvenient to use and susceptible to infection are solved.

The invention provides a cell culture plate fixture structure which can conveniently and quickly press and fix a cell culture plate on a shaking table so as to determine the airtightness of connection between a plate cover of the cell culture plate and a culture plate main body. The cell culture plate fixture structure comprises a bottom plate, wherein a groove matched with the cell culture plate is formed in the bottom plate; support frames are symmetrically arranged on the two sides of the groove; rotating shafts are arranged at the upper ends of the support frames; a pressure rod comprises a pressure rod arm and a connecting part arranged at one end of the pressure rod arm, the connecting part is connected with the rotating shaft in a penetrating way, a torsion spring is arranged on the rotating shaft in a sleeving way, two spring legs of the torsion spring respectively lean against the lower end surface of the pressure rod arm and the upper end surface of the support frame, and a pressure strip is arranged on the other side of the connecting part opposite to the pressure rod arm and is arranged above the groove in parallel.

The invention discloses a first-aid auxiliary device for clinical medicine, and belongs to the technical field of medical instruments and equipment. The clinical medicine first-aid auxiliary device comprises a first-aid bed, a bed head lifting device, a moving device, an infusion device and fastening devices. The first-aid bed is arranged on a horizontal plane, the bed head lifting device is arranged at the bottom of the first-aid bed, and the moving device is arranged on the side wall of the first-aid bed; the infusion device is arranged at the moving end of the moving device, the infusion end of the infusion device extends to the position over the first-aid bed, the number of the fastening devices is four, and the four fastening devices are symmetrically arranged on the first-aid bed in pairs. When a patient needs first aid, the patient is placed on the first-aid bed, the height of the head of the patient can be adjusted through the bed head lifting device, the infusion device can be used for infusion of the patient, the infusion device is moved through the moving device, infusion of different parts of the patient is facilitated, the hands and the feet of the patient are fastened through the fastening device, and the patient is prevented from touching a wound due to pain. Infection is caused.

The present invention discloses a gastrointestinal fluid pressure reducing device for gastrointestinal surgery, relates to the technical field of gastrointestinal fluid pressure reducing devices for gastrointestinal surgery, and solves problems that patients are uncomfortable in pressure reduction and gastrointestinal fluid and body fluid are inconvenient to treat. The gastrointestinal fluid pressure reducing device for the gastrointestinal surgery comprises a protection device, a sliding device is arranged at a lower end of the protection device, a heating box is arranged at one side of the protection device, eight sealing lids are arranged at an upper end of the protection device, one of the sealing lid is internally provided with a connecting shaft sleeve, an upper end of the connectingshaft sleeve is provided with an intubation tube, one end of the connecting shaft sleeve is provided with a rotary plate, one end of the rotary plate is provided with a pressing column, the pressingcolumn is connected with the rotary plate through a welding connection column, an outer surface of a lower end of the pressing column is provided with a spring ball, a lower end of the spring ball isprovided with a clamping groove, and a lower end of the connecting shaft sleeve is provided with a transporting tube. The gastrointestinal fluid pressure reducing device is comfortable for patients during pressure reducing and convenientto treat gastrointestinal fluid and body fluid.

The invention discloses an artificial respirator for nursing in the cardiology department, belonging to the technical field of artificial respirators. The respirator comprises an oxygen tank, whereina barometer is mounted at the top end of the oxygen tank; the right side of the oxygen tank is fixedly connected with a gas conveying pipe; a gas conveying valve is mounted in the gas conveying pipe;the right side of the gas conveying pipe is fixedly connected with a mask of a patient; fixing bands are fixedly connected to the two sides of the mask of the patient; a connector is connected to thetop end of the mask of the patient in an embedded manner; and the bottom end of the connector is connected with a gas outlet head in a matched mode. The artificial respirator for nursing in the cardiology department can realize artificial respiration of the patient, avoids the mouth-to-mouth direct contact between a doctor and the patient, prevents the spreading of diseases, effectively protects the body health of the doctor, can provide oxygen for the patient in time when the patient restores breathing so as to facilitate breathing of the patient, and is capable of purifying and disinfectingair entering the body of the patient during artificial expiration of the patient so as to facilitate the recovery of the patient.

The invention discloses a virus sampler. The device comprises a cylinder, a sampling test paper head, a piston and a push-pull rod; the front end of the cylinder is a test paper cavity with a conicalstructure; a sampling reagent bag is arranged in a through hole in the side face of the front end of the cylinder; a piercing mechanism is arranged at the outer end of the sampling reagent bag; the piston is elastically connected into the cylinder in a sealed mode; a push-pull rod is fixedly connected to the center of the rear end of the piston; the front end of the piston is fixedly connected with the sampling test paper head through a connecting rod; and the rear end of the push-pull rod extends out of the lower end of the cylinder. The sampling test paper head is pushed to enter the throatof the oral cavity for sampling, the puncture mechanism is adopted to puncture the reagent bag, and reagents in the reagent bag are mixed with a sampled sample after sampling, so that rapid collectionof the sample is achieved, time and labor are saved, inaccurate detection caused by sample transfer is avoided, and detection accuracy is improved. Through pushing of the piston, a guiding effect isexerted, and accurate positioning is achieved.