162results about How to "Reduce the likelihood of infection" patented technology

A urinary directional device for improving the directional urination and health of a male user is provided, in which the device comprises a conduit for the passage of urine and having a proximal end adapted for engagement with the penis of the user and a distal end having a distal aperture to enable the passage of urine from the conduit, the device having an interior surface providing one or more of a cleansing, an anti-bacterial or antiseptic or an anti-fungal function whereby the penis of the user can be cleansed by wiping on the interior surface of the device after urination and the device optionally further comprising a health detection indicator capable of indicating abnormalities in urine indicative of disease or health-related conditions.

A process for the manufacture of a prosthetic sheet with improved tissue healing characteristics useful in reinforcing tissue defects is disclosed. Generally the prosthetic may be comprised of any material that does not promote fibrosis and inflammation. In particular, the prosthetic may be comprised of non-absorbable hydrogel reinforced with fiber, so that the fiber reinforcement is encapsulated and shielded from interaction with tissue. The prosthetic may contain pores that pass through it to encourage tissue through-growth. These pores may be made by removing material from a sheet of reinforced hydrogel or the reinforcement means may contain a porosity around which the hydrogel is formed and the porosity is maintained.

The invention discloses an implantable human blood glucose concentration continuous monitoring system based on optical fiber attenuation total reflection, consisting of double optical paths and comprising a light source, an attenuator, a spectroscope, an optical fiber coupling device, an optical fiber ATR sensor, a measurement photodetector, a reference photodetector, a data collection system anda computer, wherein after being attenuated by the attenuator, the light source is divided into two optical paths formed by a measurement light and a reference light; in one optical path, the measurement light enters the optical fiber ATR sensor in a coupling way through a coupling method by the optical fiber coupling device and is received by the measurement photodetector via a transmission lightof the optical fiber ATR sensor; in the other optical path, the reference light is directly received by the reference photodetector; signals recevied by the measurement photodetector and the reference photodetector are synchronously collected by the data collection system, are sent to the computer and are in analysis treatment, and the computer displays a measurement result and is also connected with the light source. The invention adopts a direct measurement in vivo method to directly measure the glucose concentration in a tissue fluid, thereby avoiding an error of measurement in vitro.

A cardiac assist device includes a cannula that terminates in a flexible tip. The tip is generally Y-shaped and includes a proximal end that extends from the end of the cannula, and a bifurcated distal end opposed to the proximal end. The bifurcated distal end includes a first portion detached from a second portion, and the tip further includes a pair of through channels extending from the proximal end to the bifurcated distal end. The tip is configured so that one channel of the pair of channels extends through the first portion, and the other channel of the pair of channels extends through the second portion.

The invention discloses a gel composition for vagina, containing buffering agent, bioadhesive polymer, water, phase transition temperature regulator and one or more poloxamer of poloxamer 237, poloxamer338 and poloxamer407. The weight percentage of the poloxamer is 15-30 percent, the weight percentage of the phase transition temperature regulator is 1.5-6.75 percent; the weight ratio of the poloxamer and the phase transition temperature regulator is 20:1-20:9; and the pH of the composition is 3.0-5.5. The invention also discloses a preparation method of the gel composition and the application of the gel composition in preparing conception control preparation, vagina lubricant, preparation or medicament for preventing sexually transmitted diseases or medicaments for preventing gynecological diseases. The gel composition for vagina is liquid under room temperature and is semi-solid in vagina, is convenient to prepare and use, has the pH value similar to the vagina environment and has better acidic buffering capability and viscosity without damaging the vagina.

An adhesive including a mixture of isocyanate capped molecules formed by reacting multi-isocyanate functional molecules with multi-functional precursor molecules including terminal functional groups selected from the group consisting of a hydroxyl group, a primary amino group and a secondary amino group. Preferably, the functional groups are hydroxyl groups. The multi-functional precursor compounds are biocompatible. Multiamine functional precursors of the multi-isocyanate functional molecules are also biocompatible. As discussed, above, the mixture of molecules preferably has an average isocyanate functionality of at least 2.1 and, more preferably, has an average isocyanate functionality of at least 2.5. As also described above, the mixture of molecules preferably has a viscosity in the range of approximately 1 to approximately 100 centipoise. The mixture of molecules forms a crosslinked polymer network upon contact with the organic tissue in the presence of water. The crosslinked polymer network is biocompatible and biodegradable. The crosslinked polymer network degrades into degradation products including the precursor molecules and the multi-amine functional precursors.

The present invention relates to biostatic compositions, as well as coatings and methods for preparing biostatic articles using the same. The compositions contain a hydrophilic polymer possessing a functional group which covalently bonds to an amine, thiol, carboxyl, or hydroxyl active group of an antimicrobial agent. The functional group is capable of reacting with and covalently bonding to an antimicrobial agent without effectively reducing antimicrobial property of the antimicrobial agent below its capability of acting as a biostatic agent and without releasing the antimicrobial agent into a solution.

The invention provides an atomizer. The atomizer comprises a cartridge, a base component detachably connected with the smoke bomb and an atomizer head arranged on the base component, the cartridge comprises a smoke flue in airflow communication with the atomizer head, and the cartridge is movably connected with the atomizer head in an axial direction; fluid communication between the cartridge andthe atomizer head is communicated or cut off by axial displacement, when the cartridge is in fluid communication with the atomizer head, the atomizer body protrudes from the smoke flue to make a usertake a cigarette. According to the atomizer, when the cartridge is separated with the base component, a drip tip can be retracted, and an exposed area of the drip tip can be reduced to decrease the possibility of bacterial infection. The invention further provides an electronic cigarette with the atomizer.

The invention discloses a closed full-automatic fat transplantation device and a fat transplantation method thereof. The fat transplantation device comprises a liposuction needle tube, a lipochondrionseparation and purification cylinder and a fat injection device. The lipochondrion separation and purification cylinder is connected with the liposuction needle tube and the fat injection device through hoses separately; the liposuction needle tube comprises an outer tube, an inner tube, a liposuction handle, a water injection tube and a first motor, the lipochondrion separation and purificationcylinder comprises a cover body and a cylinder body, the cover body covers the upper portion of the cylinder body to form a full-closed fat storage barrel, the cover body is provided with a negative pressure interface and a fat suction interface, the fat injection device comprises an injector, a control box and a transmission device, the injector is clamped to the transmission device, and the control box is located on a shell of the transmission device. The problems that in the fat transplanting process, lipochondrion damage is large, infection is likely to be caused in the purification process, the operation intensity is large, and the blood vessel blockage risk exists are solved.

The invention relates to a skin beauty and skin drug delivery device and a purpose of the skin beauty and skin drug delivery device. A protection cover is additionally arranged on the device and a movable connecting mode of multidirectional sliding or multi-angle movable embedding is adopted by a handle and a support of a fixed support so that transdermal drug delivery, transdermal absorption and system slow release are improved. A rolling needle is capable of producing a large amount of micro-tubes at a short time so that drugs, beauty products and the like can directly penetrate through epidermal layer cells and corium layer cells of the skin. A wound in the epidermal layer is small and healing of the wound is rapid so that possibility of bacterial infection is obviously reduced, the skin is not hardened or skin cells are not contracted, epidermal tissue does not become thinner and the device is capable of being reused. The device can further be used for massaging the skin on the head so that hair can be stimulated to grow. The device is simple in manufacturing technology, low in cost and side effect, obvious in effect, good in controllability, convenient to use, capable of being controlled by simple training, strong in practicality, capable of being directly used in daily life, particularly suitable for mass production and business application for industries and businesses of medicine, beauty and the like and remarkable in benefit.

An apparatus for raising poultry and livestock may comprise a plurality of elevated boards configured to be assembled with each other, and each of the elevated boards has a platform. At least two paralleled supporting boards respectively protrude from a bottom portion of the platform, and a flowing channel is formed between the two supporting boards. A top surface of the platform has a plurality of holes penetrating the platform, and each of a first pair of adjacent sides of the platform has at least a connecting slot while each of a second pair of adjacent sides of the platform comprises at least a protruding piece which is configured to engage with the connecting slot when two elevated boards connected. The present invention can fit any size of the farm and prevent poultry and livestock from being infected by their excrement.

The invention discloses a conduit fixing device and a fixing method. The conduit fixing device comprises a fixing main body, wherein the fixing main body comprises a fixed ring and a rotating ring which are concentric and controllable and are in two-way rotary connection, wherein a non-adhesive side of a skin adhesive layer is fixedly connected with the fixed ring, and an opening is formed in a region, limited by the fixed ring, of the skin adhesive layer; one end of a strake is connected on the fixed ring, and the other end of the strake is connected on the rotating ring; and due to the rigidity of the strake, the own shape of the flexible strake can be maintained under the effect of gravity. The conduit fixing device ensures that a conduit is kept stationary relative to patient skin, so that uncomfortable feeling can be prevented, and conduit falloff or patient pains caused by drawing can be prevented; and conduit fixing can be relieved by simple operation in use, so that water-absorbing dressing can be replaced conveniently.

The invention discloses a chemotherapy puncture positioning device capable of adjusting a positioning distance, solves the problems of unstable positioning and non-adjustable positioning distance of apuncture needle in the prior art, and has the effects that the positioning distance can be adjusted according to different puncture depths, the positioning is stable, and a contact area between a puncture position and an external environment is reduced. According to the technical scheme, the device comprises a transverse adjusting mechanism capable of clamping or loosening the puncture needle, the transverse adjusting mechanism is connected with a fixing mechanism through a plurality of longitudinal telescopic mechanisms which are evenly arranged at intervals, and the fixing mechanism is connected with a protection device; the transverse adjusting mechanism is adjusted to enable the longitudinal telescopic mechanism to extend or retract to change the positioning distance; wherein the transverse adjusting mechanism comprises a first positioning ring and a driving ring which are arranged together in a sleeved mode, the driving ring can rotate relative to the first positioning ring, anda transverse telescopic mechanism is arranged on the inner side of the first positioning ring.

A portable device for collecting and sterilizing the flying saliva of SARS patient is composed of a face mask with air or oxygen inlet and air outlet connected to sterilizer via a tube, and a sterilizer consisting of disinfectant storage, coiled exhaust tube, and air-drawing fan installed in its exhaust outlet. Its advantages are simple structure and high effect on cutting off the infection source.

The invention relates to a painless skin rolling needle used for fast cutaneous penetration or cosmetic products. A handle and a support of the fixing frame of the device are movably connected in a multidirectional sliding or multi-angle moving embedded mode, a rolling wheel seat is a hollow column cylinder, transdermal drug delivery, transdermal absorption and controlled-release system are improved, large numbers of micro pipelines can be formed through the rolling needle in a short time, medicines, the cosmetic products and the like are directly penetrated through epidermal cells, an epidermal wound is micro and is fast healed, and possibilities of bacterial infection are remarkably lowered. Skin hardening and cell shrinkage cannot be caused, an epidermal tissue also cannot become thin, and the skin rolling needle can be used for multiple times and further can be used for scalp massage to stimulate hairs to grow. The skin rolling needle is simple in preparation process, low in cost and side effect, obvious in effect, good in controllability, convenient to use, strong in practicality, capable of being directly used for daily life, suitable for large-scale production and commercial application in medical and cosmetic industries, and remarkable in benefit. In addition, a user can master the skin rolling needle through simple training.

The invention discloses a medical garbage can. The medical garbage can comprises a bottom plate, a convex plate, a reserved port, a vertical plate, hinges, a cover plate, an inductive controller, a small hydraulic machine, a hydraulic rod, a connecting piece and a guard bar; the convex plate is installed in the middle of the top of the bottom plate, the back portion of the bottom plate is connected with the bottom of the vertical plate, the cover plate is connected to the inner side of the top of the vertical plate through the hinges, the inductive controller is installed in the right side of the convex plate, the reserved port is integrally formed in the back side of the top of the convex plate, the small hydraulic machine is installed in the convex plate, the hydraulic rod arranged on the small hydraulic machine is connected with the connecting piece arranged at the bottom of the cover plate through the reserved port formed in the convex plate, the small hydraulic machine is electrically connected with the inductive controller and connected with a power supply, and when the inductive controller detects an object, the small hydraulic machine controls the hydraulic rod to rise upwards to jack the cover plate. According to the medical garbage can, the structure is simple, design is reasonable, the condition that medical personnel touch a garbage can cover with hands is avoided through an inductive switch, therefore, the bacterial infection possibility is reduced, and patients are in a safe environment.

The invention discloses a blood purifier. The blood purifier comprises an artery pipe, a vein pipe and a blood filter. The artery pipe communicates with an artery kettle after bypassing a blood pump, and the vein pipe communicates with a vein kettle. A displacement liquid communicates with the vein kettle after bypassing a displacement liquid pump through pipes. A liquid waste output port of the blood filter communicates with a liquid waste collecting bag after bypassing a liquid waste pump through pipes. One in-film joint of the blood filter communicates with a first multi-pipe gating switch, and the other in-film joint of the blood filter communicates with a second multi-pipe gating switch. The first multi-pipe gating switch communicates with the vein kettle, and the second multi-pipe gating switch communicates with the artery kettle. Both the first multi-pipe gating switch and the second multi-pipe gating switch have ports connected with a blood filter to be replaced. The blood purifier can solve the problems, such as blood exosmosis, increase of financial burden for a patient caused by frequently whole pipe replacement, influence on blood filtration, and increase of risk of blood infection, caused by direct separation of cruor in pipes during blood purification and installation of pipes and a blood filter.

The invention discloses a quantifiable anesthetic gas purification device used for the anesthesiology department. The device comprises a housing. The upper end of the housing is opened. The upper endof the housing is fixedly connected with the lower end of a gasbag. The interior of the gasbag communicates with the interior of the housing. The middle of the bottom surface in the housing is fixed with a fan. Two gas inlet holes in the lower part of the left side surface of the housing respectively communicate with one end of a gas inlet pipe of anesthetic gases and one end of an oxygen gas inlet pipe. Only when a patient inhale, mixed gases of anesthetic gases and oxygen gas are provided. The power of a gas pump is adjustable. The quantifiable supply of anesthetic gases is achieved while resources are saved. An annular heating coil is used in conjunction with a fan such that anesthetic gases and oxygen gas are uniformly mixed and the temperature is proper. A patient feels more comfortable. An ultraviolet germicidal lamp is used for sterilizing the mixed gases of anesthetic gases and oxygen gas, which lowers the possibility of infections of the patient.

The invention discloses an auxiliary instrument for brain surgery of the neurosurgery department. The auxiliary instrument comprises a fixed seat and an auxiliary ring; the fixed seat comprises a rectangular frame; a plurality of first supporting rods are fixed to one surface of the rectangular frame; the circumferential side faces of the first supporting rods are fixedly connected with first springs; a pillow seat is fixed to the other ends of the first springs; a plurality of second supporting rods are fixed to the other surface of the rectangular frame; a second penetrating hole is formed in one surface of each second supporting rod; the second penetrating holes and the circumferential side faces of clamping fixing rods are slidably matched; the second supporting rods are connected withthe auxiliary ring in a threaded mode through bolts; third penetrating holes are formed in the two ends of the auxiliary ring correspondingly; a plurality of disinfection spray heads are fixed to theinner surface of the auxiliary ring; and a plurality of surgery lighting lamps are fixed to the opposite faces of the auxiliary ring. The surgery lighting lamps are fixed to the opposite faces of theauxiliary ring, the disinfection spray heads are fixed to one surface of the auxiliary ring, a massage contact is fixed to one end of each clamping fixing rod, thus a surgeon can operate accurately,the possibility of surgical site infection is decreased, and the mental tension of a patient is relieved.

The invention relates to the field of agricultural automation, and provides an anti-interference laser cultivating and harvesting integrated machine. The anti-interference laser cultivating and harvesting integrated machine comprises a seedling cultivating carrier, and the seedling cultivating carrier is provided with cultivating containers for containing culture compost. The anti-interference laser cultivating and harvesting integrated machine further comprises an optical scanning system. The optical scanning system comprises a laser light source located on the left side of the seedling cultivating carrier and a right photosensitive element located on the right side of the seedling cultivating carrier. The right photosensitive element is provided with a photosensitive hood. The laser light source and the right photosensitive element form a bijection layout. The height of the right photosensitive element and the height of the laser light source are equal to the set seedling growing height. The anti-interference laser cultivating and harvesting integrated machine further comprises a microprocessor system, and the right photosensitive element is connected to the microprocessor system. The anti-interference laser cultivating and harvesting integrated machine is capable of increasing the yield effectively while saving the cost and guaranteeing the seedling quality.

The invention discloses a method and system for environmental monitoring and epidemic-prevention disinfection and sterilization. The system disclosed by the invention comprises a disinfection-sterilization cloud platform and intelligent terminal equipment, wherein the intelligent terminal equipment comprises a disinfection-sterilization controller, a terminal executor and a sensor and is connectedwith the disinfection-sterilization cloud platform through the disinfection-sterilization controller; and the sensor collects characteristic data of a disinfection-sterilization object, the characteristic data at least includes space and / or environmental data, the sensor transmits the characteristic data of the disinfection-sterilization object to the disinfection-sterilization controller, the disinfection-sterilization controller analyzes the characteristic data of the disinfection-sterilization object and uploads the characteristic data of the disinfection-sterilization object to the disinfection-sterilization cloud platform, the disinfection-sterilization cloud platform issues a disinfection-sterilization flow to the disinfection-sterilization controller, and the disinfection-sterilization controller sends the disinfection-sterilization flow to the terminal executor so as to execute the disinfection-sterilization flow. According to the method and the system, the problems of low disinfection-sterilization efficiency and relatively high virus infection rate in an existing disinfection-sterilization manner are solved.

The present invention relates to methods of inducing an immune response to cytomegalovirus (CMV) using a genetically modified CMV that is conditionally replication defective. The methods of the invention can be used to treat and / or prevent primary CMV infection, infection due to reactivation of a latent CMV and a super-infection of a different strain of CMV that had been previously encountered. The present invention also relates to a replication defective CMV which has been recombinantly altered to allow for external control of viral replication. Compositions comprising the replication defective CMV are also encompassed by the present invention.

The invention relates to a pneumatic direct ventricle assisting device and a controller thereof in medical device technology field, which includes an air compressor, a first medical air canal, a pressure maintaining valve, a second medical air canal, an electrical proportional valve, a third medical air canal, a first medical tee joint T, a fourth medical air canal, an electromagnetic valve, a fifth medical air canal, a vacuum dump, a six medical air canal, a second medical tee joint T, a seventh medical air canal, an air pressure sensor, an eighth medical air canal, a third medical tee joint T, a ninth medical air canal, a tenth medical air canal, a cyathiform body, and a blood pressure sensor. The controller controls the air compressor and the vacuum valve to alternately deliver air through the respective air canals to the cyathiform body, so as to help the heart being assisted to contract and relax. When the air is periodically filled in the space between the shell and the intima, contraction force for the outer wall of the heat is supplied; when the air is periodically pumped out from between the shell and the intima, the intima restates, and the diastole happens.

The invention discloses a suture specially for medical protective equipment. The suture is characterized by taking full drawn yarns (FDYs) as raw materials, primarily twisting the FDYs and then combining the two strands and secondarily twisting the strands into a thread and finally carrying out waterproofing treatment on the thread to obtain the suture. The suture has high strength, prevents leakage, does not have hairiness, is specially used for the medical protective equipment and ensures the medical protective equipment to be used more safely.

A prepuce girdling device comprises a positioning device, an actuating device and a driving device. The positioning device is structured to position a glans penis of a human body and blood vessels on prepuce, the actuating device comprises a main frame, a ligating device and an excising device, the positioning device is mounted on the main frame, the ligating device is mounted on the main frame and structured to drive multiple fastening members to fasten multiple positioned blood vessels on the prepuce respectively, the excising device is mounted on the main frame and comprises an annular cutter, and the driving device is mounted on the main frame and structured to drive the ligating device and the excising device to enable the ligating device to drive the fastening members to fasten the blood vessels and then to enable the annular cutter of the excising device to excise overlong prepuce. By the prepuce girdling device, the blood vessels on the prepuce can be ligated for hemostasis before the overlong prepuce is excised, so that safety of operation is ensured.

The invention relates to a puncturing instrument, which comprises a puncturing needle and a guide wire, wherein the puncturing needle is used for puncturing the human body and forming a puncturing channel in the human body; the guide wire is suitable to be sent into the human body along the needle tubing of the puncturing needle and is left in the puncturing channel to serve as a puncturing guide piece for the next time after the puncturing needle is pulled out. The use method for the puncturing instrument comprises the following steps: putting the core of the puncturing needle into the puncturing needle to form into a whole; puncturing a patient; after the puncturing needle reaches a proper position, pulling out the core of the puncturing needle for drainage; after the drainage is finished, sending the front part of the guide wire into the human body along the tail end of the needle tubing of the puncturing needle; pulling out the puncturing needle, covering and fixing the guide wire on the body surface of the human body by aseptic dressing; during secondary puncturing, causing the puncturing needle to reach the puncturing position along the guide wire. The puncturing instrument disclosed by the invention is suitable for patients who need to receive paracentesis for multiple times, one-time success of the subsequent puncturing is guaranteed when the puncturing instrument is used, somatic damage and psychological burden caused by multi-time puncturing to the patient can be avoided, and complications, such as headache, lumbago and the like, are greatly reduced.

The invention relates to a puncture instrument and a use method thereof. The puncture instrument comprises a puncture needle and a guide wire, wherein the puncture needle is used for puncturing a human body and forms a puncture channel in the body; and the guide wire is put into the human body along a needle tube of the puncture needle and is left in the puncture channel to be used as a guide part after the puncture needle is pulled out. The use method of the puncture instrument comprises the following steps: placing a puncture needle core into the puncture needle to form an integrated structure to puncture a patient; pulling out of the puncture needle core after puncturing in place, and draining; placing the front end of the guide wire into the human body along the tail end of the needle tube of the puncture needle after drainage is finished; pulling out of the puncture needle; leading the guide wire to be covered and fixed on the body surface of the human body by utilizing a aseptic dressing; and then puncturing again, so that the puncture needle achieves the puncture part along the guide wire. The puncture instrument is suitable for patients need multiple times of paracentesis; with adoption of the puncture instrument, one-time success of follow-up puncture can be ensured when the puncture instrument is used; body injuries and psychological burdens caused by multiple times of puncturing patients can be avoided; and the occurrences of complications such as headache and backache and the like can be greatly reduced.