871 results about "Cross infection" patented technology

The invention relates to the technical field of medical instruments, in particular to an oral cavity opening device clinically applicable to the stomatology department, and aims to solve the technical problems that an existing oral cavity opening device is simple in structure and single in function, the opening size cannot be freely adjusted, and meanwhile during examination, the opening size cannot be freely adjusted. In the prior art, medical staff need to observe pathological changes in the oral cavity of a patient with naked eyes, efficiency is low, and the risk of cross infection is brought to the medical staff. According to the technical scheme, the device comprises a fixing support, two positioning blocks are fixedly installed in an inner cavity of the fixing support, and a limiting rod is rotationally connected between the opposite sides of the two positioning blocks through a bearing. The oral cavity expanding device has the advantages that by arranging the expanding unit, the opening and closing degree of the oral cavity of a patient can be adjusted, by arranging the positioning unit, the expanding unit can be positioned, the use stability of the expanding unit is improved, by arranging the camera shooting mechanism, the oral cavity of the patient can be shot, and cross infection caused by visual inspection of medical staff is avoided.

The invention relates to the technical field of oral instrument cleaning, and particularly discloses an oral instrument disinfection and cleaning device and a cleaning method.The oral instrument disinfection and cleaning device comprises a cleaning and disinfection box, and a disinfection isolation frame is arranged in the cleaning and disinfection box; the cleaning mechanism comprises an ultrasonic cleaning tank, a circulating pump, two water conveying pipes, a cleaning pipe, a lifting mechanism and two positioning strips, the circulating pump is installed in the middle of the bottom end of the ultrasonic cleaning tank, and the number of the water conveying pipes and the number of the positioning strips are both two; a synchronous belt is driven through a motor, two lifting screws are driven to enable two lifting frames to move upwards, then an ultrasonic cleaning tank is driven to ascend, oral instruments are soaked in cleaning liquid in the ultrasonic cleaning tank, high-frequency vibration of ultrasonic waves can penetrate through small gaps and grooves of the oral instruments, meanwhile, a circulating pump inputs the cleaning liquid into a cleaning pipe and sprays the cleaning liquid out, and the cleaning effect is achieved. The flowing effect of cleaning liquid is enhanced, more thorough cleaning is achieved, and the risk of cross infection is effectively reduced.

The present invention provides a blood collection device, wherein a blood collection needle is arranged at the first end of a needle holder, and the second end of the needle holder contacts a piston via an elastic device. The needle holder is provided with a stop arm. When the needle holder moves along the first direction of the launch tube, the stop arm and the blocking member in the launch tube change from the first state to the second state, thereby controlling the blood collection needle to be excited along the first direction. Under the control of the elastic device, the blood collection needle moves a preset distance in the second direction, so that the blood collection needle cannot contact the skin again after a single excitation. The present invention also provides a method for using the blood collection device. The present invention adopts a technology that makes the blood collection needle ineffective after a single excitation, thereby avoiding the problem of cross infection caused by multiple punctures.

The invention discloses postoperative rehabilitation auxiliary equipment for an anus operation, and relates to the technical field of anorectal administration devices. The inlet end of the pushing pipe is provided with a tip part of which the maximum outer diameter is greater than the outer diameter of the pushing pipe; first liquid outlet holes are uniformly formed in the side wall of the butt joint area of the tip part and the pushing pipe in the circumferential direction; a guide pipe for guiding the pushing pipe and the tip part is arranged in the middle of the positioning flushing cover; the rotary isolating membrane is of a tubular elastic soft membrane structure with one sealed end, and one end of the rotary isolating membrane penetrates through a top end through hole of the tip part and is arranged in the pushing tube; the rotary isolating membrane positioned outside the pushing pipe is folded and coated outside the sharp head part and the pushing pipe; a second liquid outlet hole is formed in the side wall of the rotary isolating membrane, and after the sealed end of the rotary isolating membrane is completely folded from the interior of the pushing pipe to cover the tip part and the exterior of the pushing pipe, a hole channel between the second liquid outlet hole and the first liquid outlet hole is communicated. According to the device, liquid medicine flushing can be carried out on the perianal wound surface and the inner anal tail end, and cross infection is prevented.

The utility model provides a plantar pressure analyzer which comprises a weighing plate and a data processor arranged on one side of the weighing plate, an unwinding assembly and a winding assembly are fixedly arranged on the top face of the weighing plate, and the unwinding assembly and the winding assembly are located on the side close to the data processor and the side away from the data processor respectively. An unwinding roller is rotationally connected in the unwinding assembly, a dustproof film is wound outside the unwinding roller, a winding roller is rotationally connected in the winding assembly, one end of the dustproof film extends in the direction of the winding roller and is wound on the winding roller, and a power part used for driving the winding roller to rotate is fixedly arranged on one side of the weighing plate. Through the arrangement of the unwinding roller, the winding roller, the dustproof film and the power part, the dustproof film at the top of the weighing plate is updated once a test is completed, so that the problem of foot bacterial cross infection is avoided, the dustproof film is attached to the top surface of the weighing plate through the arrangement of the pressing roller, a tested person can conveniently carry out the test, and the test efficiency is improved. And interference on the test is avoided.

The invention provides multifunctional ophthalmology intelligent examination equipment which comprises a base and an examination equipment body. The front side of the examination equipment body is connected with a chin support and a forehead support through supports. First teeth are evenly arranged on the opposite side walls of the quadrangular prism, first tooth blocks are slidably arranged in the first sliding grooves respectively, a first driving assembly is arranged on the chin support, and a positioning assembly is arranged on the forehead support; fixing columns are arranged on the two sides of the chin support respectively, the opposite side walls of the fixing columns are connected with fixing sleeves through elastic telescopic pieces respectively, second telescopic disinfection blocks are arranged at the upper ends of the inner rods respectively, make contact with the working face of the forehead support and slide in the length direction, and first telescopic disinfection blocks are arranged at the lower ends of the opposite side walls of the sleeves respectively. A second driving assembly is arranged at the lower end of the chin support. The heights of the chin support and the forehead support can be conveniently and rapidly adjusted, and the examination efficiency is improved; disinfection is convenient, fast, timely, clean and sanitary, the experience feeling of a patient is improved, and cross infection is effectively avoided; and the system is connected with the Internet, so that doctors can diagnose conditions timely.

The invention relates to the technical field of medical instruments, and discloses a detachable sterile protection structure of an electronic endoscope. The structure comprises an end seat module and a disposable detachable far end cover. The clamp lifting shifting block of the end seat module can rotate within the range of 0-90 degrees under the driving of the pull rod, and the clamp lifting block of the disposable detachable far end cover rotates synchronously under the driving of the clamp lifting shifting block. Reliable connection and transmission of the clamp lifting shifting block and the clamp lifting block are achieved through an accurate butt joint structure. And the end seat module and the disposable detachable far-end cover are both provided with waterproof sealing rings, so that the sealing performance and the waterproof performance of the equipment are ensured. The working state of the endoscope can be observed conveniently through the transparent tip seat cover cap, and the stability of the clamp lifting shifting block at the preset angle is guaranteed through the locking mechanism. The operation convenience and safety of the endoscope are improved, the equipment maintenance process is simplified, cross infection is effectively prevented, and the use efficiency is improved.

The invention discloses an ultrasonic soft tissue cutting hemostasis tool bit with a reusable tool bar, and relates to the technical field of minimally invasive medical instruments, the ultrasonic soft tissue cutting hemostasis tool bit comprises a sheath, a tool handle, a cutting assembly and the tool bar, the sheath comprises an outer tube and the tool handle, a mounting groove is formed in the sheath and used for placing the tool bar and a transducer, and the tool bar is in threaded connection with the transducer; a non-return shaft on the knife rod is matched with a non-return shaft bayonet in the knife sheath, the cutting assembly is used for pressing a pressing block to adjust the inner tube, the extending length of the inner tube is adjusted to meet the requirements of different operation scenes, the outer tube on one side of the knife sheath is movably connected with the knife sheath through a rotary knob, and a clamp mouth is arranged on one side of the outer tube and used for clamping soft tissue. According to the device, through the detachable cutter head assembly, the repeated use of the cutter bar is achieved, the cost of surgical consumables is reduced, the burden of a patient is relieved, and the risk of cross infection is reduced.

The invention relates to the technical field of medical auxiliary instruments, and particularly discloses an infusion port pressure sore prevention fixing device which comprises an injection fixing cover, a normal saline arc storage frame is fixedly connected to the outer side of the bottom end of the injection fixing cover, and a pressure sore prevention nursing arc frame is fixedly connected to the outer end of the normal saline arc storage frame; after the infusion port injection fixing cover is installed stably, a butt joint pressing plate is pressed to enable a lifting conduction arc plate to move downwards in a pressure sore prevention nursing arc frame, and normal saline in a normal saline arc storage frame flows into a hook-and-loop fastener cleaning and wiping cotton cushion through a normal saline seepage hole to be absorbed by the hook-and-loop fastener cleaning and wiping cotton cushion; the hook-and-loop fastener cleaning and wiping cotton pad cleans the skin outside the infusion port implantation position of a patient, the pressure sore risk caused by long-time pressing of the skin is reduced, the hook-and-loop fastener cleaning and wiping cotton pad wipes normal saline on the skin of the affected part to reduce friction and stimulation to the skin, the comfort of the patient is improved, meanwhile, the occurrence rate of pressure sores is further reduced, and the use safety of the patient is improved. The risk of cross infection is reduced by automatic delivery of normal saline.

The visual balloon type urethral dilation device comprises a urethral endoscope and a balloon dilator arranged in the urethral endoscope in a penetrating mode, and the urethral endoscope and the balloon dilator are matched with the urethra of the human body. The observation field of view of the urethra endoscope covers the dilation balloon of the balloon dilator, and visual dilation of the dilation balloon is achieved. The balloon dilator is provided with an independently-controlled fixing balloon, the fixing balloon and a balloon-shaped cavity in the urethra endoscope probe form a detachable fixing structure, the balloon dilator can penetrate through a middle shaft of the probe to move axially when fixing is removed, and the guiding function of the probe is achieved. The balloon dilator can be used in a disposable mode, and cross infection is prevented. And the probe is provided with a panoramic camera and a light supplementing lamp which are symmetrical, so that the visualization precision is improved. The urethra dilatation operation accuracy, safety and diagnosis and treatment efficiency are greatly improved from the aspects of high visualization, dilatation precision adjustment and the like.

The invention relates to the technical field of medical auxiliary instruments, and discloses a medical supporting device special for ophthalmologic examination.The medical supporting device comprises an adjustable base, a lower jaw supporting seat, a side cheek clamping seat and an adjusting mechanism, the adjustable base comprises an adjustable bottom plate, and hollow grooves are formed in the head contact surfaces of the lower jaw supporting seat and the side cheek clamping seat; lower jaw supporting rollers are evenly and rotatably connected to the interior of a hollow groove in the lower jaw supporting seat, side cheek clamping rollers are evenly and rotatably connected to the interior of a hollow groove in the side cheek clamping seat, and cleaning and disinfecting parts are arranged outside the lower jaw supporting rollers and the side cheek clamping rollers. Every time the head of a patient is supported and fixed, the lower jaw supporting roller and the side cheek clamping roller making contact with the patient can be conventionally cleaned and disinfected autonomously, the middle base, the front plate and the back plate which form the structure can be manually disassembled for deep cleaning and disinfection, and the phenomenon of cross infection in the ophthalmic examination process is avoided.

The invention relates to the technical field of livestock breeding, and discloses a livestock breeding breeding house for preventing disease infection, which comprises a breeding house body, a cleaning mechanism, a driving mechanism and a defecation opening. The cleaning mechanisms are arranged in the breeding house body and comprise excrement cleaning plates and first driving parts, the excrement cleaning plates are arranged below the feeding troughs, the lower edges of the excrement cleaning plates are attached to the bottom face in the breeding house body, the first driving parts are used for driving the excrement cleaning plates to move in a reciprocating mode, and the two cleaning mechanisms are symmetrically arranged along the middle line of the width direction of the bottom face in the breeding house body; the driving mechanism is arranged on the upper portion in the breeding house body and comprises a connecting rod, blocking cloth and a second driving part, the connecting rod is connected to the second driving part, one end of the blocking cloth is connected to the connecting rod, the other end of the blocking cloth is perpendicular to the interior of the breeding house body, and the second driving part is used for driving the blocking cloth to reciprocate. Excrement can be independently cleaned in the breeding house, so that cross infection among different breeding houses is effectively avoided, and the risk of germ breeding or spreading caused by excrement accumulation can be reduced.

The utility model discloses a stirring body and a stirring mechanism, and belongs to the technical field of washing, the stirring body comprises a hard part and a deformable part, the deformable part covers the surface of the hard part, and the deformable part is in contact with washings during washing. One end of the driving device is connected with a driving shaft. The stirring mechanism comprises a stirring body and a driving device, a mounting cavity is formed in the center of the hard part and the center of the deformable part, the driving shaft is connected into the mounting cavity, and torque transmission of the driving device is achieved through a power transmission mechanism between the stirring body and the driving device. By arranging the deformable part on the stirring body, flexible contact between the stirring mechanism and the washings is achieved, abrasion of the washings in the washing process is reduced, the stirring body can be independently taken down through the connecting assembly to be cleaned, and the risk of cross infection is reduced.

The invention relates to the technical field of medical guide wire storage, and discloses a guide wire storage mechanism for coronary heart disease interventional therapy, which comprises a shell, a motor I is arranged on the outer wall of the shell, the output end of the motor I penetrates through the interior of the shell and is fixedly provided with a screw rod, and the outer wall of the screw rod is in threaded connection with a sliding block I; a sliding rod is slidably connected to the interior of the first sliding block, the two ends of the sliding rod are fixedly connected to the inner wall of the shell, a triangular plate is fixedly connected to the lower surface of the first sliding block, a sprinkling can is arranged on the lower surface of the triangular plate, a spraying head is arranged on the inner wall of the sprinkling can, and a telescopic pipe is fixedly connected to the outer wall of the sprinkling can. A plurality of guide wires can be stored through the partition plate, the guide wires can be disinfected in cooperation with a first motor, a lead screw, a first sliding block, a sliding rod, a triangular plate, a sprinkling can and a spray head when the guide wires are stored, cross infection among different patients in subsequent use is prevented, the guide wires at different positions can be disinfected independently, and manpower and disinfection resources are saved.

When the automatic film covering device is used, the two side edges of an ultrasonic isolating film (film for short) are clamped through an electric clamping jaw, and a driving motor drives the electric clamping jaw to pull the film to move, so that the film penetrates through a conveying assembly and is located between a probe extending opening and a film covering opening; when the cutting assembly cuts off the film, the electric clamping jaw is loosened, an ultrasonic inspection operation doctor enables an ultrasonic probe to stretch into the film laminating opening from the probe stretching opening and abut against the film to downwards penetrate through the film laminating opening, and the film is completely attached to the outer surface of the front end of the ultrasonic probe through the film pressing assembly; after film covering is completed, the ultrasonic probe is pulled out, and the outer surface of the film is coated with a layer of coupling agent for ultrasonic inspection; after the examination is finished, the film is torn off from the ultrasonic probe, the film is re-covered when a new patient is examined, and the device adopts a physical isolation mode to block medical cross infection caused by conventional operation of medical staff, so that the risk of cross infection between different patients and between the medical staff and the patient is avoided.

The utility model discloses a safety injection device for injecting insulin, which comprises a needle seat, and an inner sheath and a fixing sleeve which are sequentially sleeved outside the needle seat, a needle tube penetrates through the inner sheath to be fixed with the needle seat, the inner sheath is connected with the needle seat through a clamping point, the fixing sleeve is connected with the needle seat through a buckle, and a protruding outer edge is arranged at the bottom of the inner sheath. An elastic protruding block is arranged on the inner wall of the fixing sleeve, when the outer edge moves to the position above the elastic protruding block, the inner sheath is prevented from being pressed downwards, a spring is installed on the top of the needle base, one end of the spring is connected with the needle base, and the other end of the spring makes contact with the inner sheath. By designing a safety protection structure, the risk of cross infection caused by accidental touch due to the fact that a traditional common needle tube is exposed outside after injection is completed is avoided, and meanwhile the phenomenon that an injection needle is reused can be prevented.

The invention discloses a novel intelligent lung function instrument, and belongs to the technical field of lung function instruments. Comprising an intelligent lung function instrument used for detecting the lung ventilation respiratory function to evaluate the lung function, a buccal device used for being held in the mouth of a patient for detection, and adjusting equipment used for pressing the buccal device. The auxiliary wearing equipment is used for assisting in wearing the intelligent lung function instrument on the ear; the disinfection equipment is used for disinfecting the interior of the buccal device; the buccal device is arranged on the intelligent lung function instrument and is communicated with the intelligent lung function instrument; according to the device, lung ventilation respiratory function detection operation can be carried out by blowing in a mode that a patient holds the device by hand, in the detection process, the patient can accurately carry out the blowing detection operation for the needed duration, multiple persons can continuously carry out lung ventilation respiratory function detection operation, disinfection can be carried out in real time, and the detection efficiency is improved. The normal influence on the detection result is avoided, and meanwhile, the risk of cross infection between patients is avoided.

The invention belongs to the field of ultrasonic detection devices, particularly relates to an ultrasonic detection device for portable mobile medical ultrasonic equipment, and provides the following scheme aiming at the problems that an existing ultrasonic detection device does not have a cleaning and disinfecting function, a detection probe is mostly directly wiped with paper after being used, bacteria are easy to breed, and cross infection is caused. The rollers are arranged at the bottom of the storage box, so that the storage box is convenient to move; the lifting plate is mounted in the storage box in a sliding manner; the lifting mechanism is arranged on the storage box and used for adjusting the height of the lifting plate; the ultrasonic detection device body is arranged at the top of the lifting plate; the mounting seat is fixedly mounted at the top of the lifting plate; the liquid storage cavity and the disinfection cavity are formed in the mounting seat, the liquid storage cavity is used for storing a disinfectant, and a placement opening is formed in the inner wall of one side of the disinfection cavity; by means of the probe cleaning and disinfecting device, a probe can be effectively cleaned and disinfected, and cross infection is avoided.

The arterial indwelling catheter pulling-out device comprises an operation table, a baffle, a mechanical arm, a mounting base, an electric clamping jaw, a first vision module, a first distance measuring sensor and a controller. The two ends of the baffle are connected with the operation table, and a channel for limbs to stretch into is arranged between the baffle and the operation table. One end of the mechanical arm is fixedly connected with the baffle plate; the mounting seat is fixedly connected with the other end of the mechanical arm; a first clamping finger and a second clamping finger are arranged on the electric clamping jaw, and the electric clamping jaw can drive the first clamping finger and the second clamping finger to get close to each other or get away from each other; the first visual module and the electric clamping jaw have the same orientation; the first distance measuring sensor and the electric clamping jaw have the same orientation; the electric clamping jaw, the first visual module and the first distance measuring sensor are all electrically connected with the controller and fixedly connected with the mounting base. The arterial indwelling catheter is beneficial to saving time of medical staff, meanwhile, after the arterial indwelling catheter is pulled out, a puncture point is not prone to bleeding, and the risk of cross infection is reduced.

The invention provides a pressure-adjustable negative pressure drainage tube and a using method thereof.The pressure-adjustable negative pressure drainage tube comprises a negative pressure ball assembly, a drainage tube assembly and a negative pressure adjusting assembly, the negative pressure ball assembly comprises a negative pressure ball body and a threaded connector, a negative pressure opening is formed in the upper end of the negative pressure ball body, the threaded connector is installed at the negative pressure opening, and the drainage tube assembly comprises an upper drainage tube and a lower drainage tube; the upper end portion and the lower end portion of the negative pressure ball are further provided with an upper liquid outlet and a lower liquid inlet respectively, the upper drainage tube is installed on the upper liquid outlet, the lower drainage tube is installed on the lower liquid inlet, and the negative pressure adjusting assembly is connected with the negative pressure ball body. The drainage efficiency can be improved; the anti-backflow assembly is adopted to prevent cross infection caused by backflow of drainage liquid, the floating valve movably connected with the anti-backflow assembly is arranged in the anti-backflow connecting end, the floating valve can move in the flowing direction of the liquid, and the automatic anti-backflow purpose is achieved.

The invention relates to the field of wound surface disinfection, and particularly discloses a clinical wound surface disinfection device, comprising: a disinfection gun mechanism comprising a disinfection gun assembly, a push rod assembly slidably clamped and embedded in the disinfection gun assembly, a spring sleeving the outer side of the push rod assembly, and a connector assembly rotatably clamped and embedded at one end of the disinfection gun assembly; the disinfection gun assembly comprises a disinfection gun body, and a threaded connector is arranged at one end of the disinfection gun body; according to the disinfection device, the disinfection cotton ball can be extruded and released by simply pushing the push handle, so that a disinfectant can be uniformly smeared on a wound surface, the convenience and efficiency of disinfection operation are greatly improved, and a medical worker can quickly complete the disinfection process without complex operation; according to the invention, the replacement groove is arranged, so that medical staff can conveniently replace the cotton ball stained with disinfectant at any time, the risk of cross infection possibly caused by repeated use of the same cotton ball is avoided, and the sanitation and safety in the disinfection process are ensured.

The micro cutting ring comprises a ring body, a connecting part and a cutter body, the ring body and the cutter body are arranged at the two ends of the connecting part respectively, the ring body is a closed circular ring, the outer side of the ring body is fixedly connected with the connecting part, and the ring body is used for taking out infected and necrotic tissue of the sebaceous cyst. The annular structure is not prone to causing secondary injury to a patient, clinical safety and convenience are achieved, the cutter body is fixedly connected to the other end of the connecting part, the free end of the cutter body is provided with the cutting edge used for cutting and stripping the cyst, the handheld plate is arranged on the connecting part, and an operator can stably operate and use the micro cutting ring conveniently; the knife and the ring are manufactured into a whole, use is convenient, the knife is a disposable sterile medical instrument product, a doctor can conveniently take and use the knife, cross infection of a patient is prevented, an open surgery for removing sebaceous cyst is changed into a minimally invasive surgery, a wound is easy to heal, the treatment cost of the patient is reduced, and the knife is worthy of clinical application and popularization.

The utility model discloses a dental treatment machine auxiliary device and dental treatment machine, the dental treatment machine auxiliary device comprises an instrument hanging platform, the rear part of the instrument hanging platform is detachably provided with a tray, and the tray space of the dental treatment machine can be increased. A dentist and a nurse can have more spaces for placing various tools, liquid medicine, gauze, absorbent cotton and medical waste in a classified manner, so that the working efficiency is improved; meanwhile, after each time of diagnosis and treatment, the device can be detached for disinfection treatment, so that the risk of cross infection can be effectively reduced; besides, the hollowed-out tray matched with the tray is embedded in the tray, the tray does not make contact with the bottom of the hollowed-out tray, liquid medicine can flow to the tray through hollowed-out holes, and pollution of accumulated liquid to tools and medicine is prevented.

The utility model discloses a disposable sterile steering drill bit which comprises a steering sleeve, a drill bit body is placed in one end of the steering sleeve, a transmission rod is placed in the other end of the steering sleeve, one end of the transmission rod extends out of the steering sleeve, and a handle is fixedly connected to the extending position of the transmission rod. A locking assembly is arranged at the position, close to the handle, of the steering sleeve and used for fixing connection between the transmission rod and the steering sleeve. A first taper gear is arranged on the end face of the end, close to the drill bit, of the transmission rod, a second taper gear is arranged on the end face of the end, close to the transmission rod, of the drill bit, the bevel gears are meshed with each other, and the transmission rod and the drill bit are fixedly connected through meshing transmission between the first taper gear and the second taper gear. According to the utility model, the detachable design is adopted, the selection and assembly of various drill bit specifications are facilitated, the use is convenient, the connection structure is simple and firm, the operation is convenient, and the transmission ratio of transmission forces generated by the transmission of the handle is 1: 1, so that the force of the handle can be manually controlled, and the risk of cross infection is reduced.

The invention discloses a hemostasis device for a radial artery puncture part after coronary angiography. The hemostasis device comprises a fixing assembly, a fixing sleeve, a rotating ring and a pressing head. The fixing sleeve is arranged outside the fixing assembly in a sleeving mode, the fixing sleeve and the fixing assembly are connected through the large spring, the lower end of the fixing assembly is movably connected with the rotating ring, the pressing head is arranged in the rotating ring in a sleeving mode, and the pressing head is arranged in the fixing assembly in a sleeving mode. The pressing head can be detachably fixed through the arranged fixing assembly, one-key fixing can be achieved only by directly pulling the fixing sleeve in the fixing process, fixing is rapid and convenient, meanwhile, the fixing head is made into a detachable form, the pressing head can be installed in the using process, the pressing head can be replaced due to the detachable installation arrangement, and the pressing head is convenient to use. The risk caused by cross infection can be effectively reduced, and meanwhile materials can be saved to a great extent.

The utility model discloses a timed loosening and tightening device for a tourniquet. The timed loosening and tightening device comprises a body, a first channel, a second channel, a first key, a second key, a first pressing strip and a second pressing strip, the first channel and the second channel are symmetrically arranged in the body, the first key is located above the first channel, the first pressing strip is connected below the first key, the second key is located above the second channel, and the second pressing strip is connected below the second key; and a timer circuit is arranged in the first key. The timed tightening device is particularly suitable for disposable tourniquets, and is simple to operate, cost-saving and capable of reducing the risk of cross infection.

An orthodontic push spring taking pen comprises a pen body, a cutting blade, a pushing device and a spring outlet, and the pen body comprises a pen point and a pen holder; the pen body is provided with a spring storage tube for placing the push spring; a first limiting hole matched with the cutting blade is formed in one side of the pen point, and a spring outlet is formed in the other side of the pen point. The pushing device comprises a ratchet mechanism and a circulating rack; one end of the pen holder is fixedly connected with the pen point, and the other end of the pen holder is provided with a second limiting hole. The length of the push spring can be selected clinically, operation is simple and fast, diagnosis and treatment speed is increased in clinical diagnosis and treatment, direct contact with the whole push spring is avoided, the risk of cross infection is reduced, the push spring can be stored in the spring storage tube for a long time, adverse effects on the performance of the push spring material due to repeated disinfection are avoided, and the service life of the push spring is prolonged. And meanwhile, the spring storage pipe can realize replacement of the push spring, so that the push spring pen can be repeatedly used.

The invention discloses a meal delivery robot, and relates to the technical field of automatic processes, the meal delivery robot comprises a transportation base, the upper surface of the transportation base is provided with a box body, and the box body is internally provided with an air-drying mechanism for air-drying water stains on the surface of a tray; a disinfection mechanism for avoiding incomplete disinfection caused by external mistaken touch in the disinfection process of a robot tray is arranged in the box body, and an alarm mechanism for prompting that the external tray is in a disinfection state is arranged in the box body. The purpose that the disinfection lamp cleans and sterilizes the surface of the containing tray, and the containing tray cannot stretch out again after a certain time is reached is achieved, automatic cleaning and sterilization of the tray are achieved, it can be guaranteed that the tray for meal delivery every time is clean and sanitary, and the risks of food poisoning and cross infection are reduced.

The utility model belongs to the technical field of medical instruments, and particularly relates to a device for connecting a heparin cap and an infusion apparatus needle, which comprises a fixing component for reinforcing the joint of the heparin cap and the infusion apparatus needle. The fixing assembly comprises two fixing shells, inserting rails which are symmetrically arranged on the sides, close to each other, of the two fixing shells and located on the upper portions of the fixing shells, and fixing pieces which are symmetrically arranged on the inner side walls of the two fixing shells and used for preventing infusion apparatus needles from slipping off from the interiors of the fixing shells. The preformed holes are symmetrically formed in the two fixing pieces, and the fixing rings are symmetrically arranged below the fixing pieces and used for limiting infusion apparatus needles. According to the utility model, the heparin cap and the infusion apparatus needle head are fixed by arranging the fixing assembly, so that the heparin cap and the infusion apparatus needle head can be stably connected together, the probability that the heparin cap and the infusion apparatus needle head are easy to fall off after being connected is reduced, and the working efficiency of medical personnel is improved; and meanwhile, the situation of cross infection caused by connection by using an adhesive tape can be avoided.

This invention relates to the field of medical devices, and more specifically, to a soft nasal swab based on pneumatic growth and a sampling method, comprising an axial drive section, an auxiliary support surface section, a middle folding surface section, and a front brush section connected sequentially from back to front; it addresses the problems of existing nasal swabs lacking elasticity, resulting in a poor sampling experience; the risk of cross-infection due to direct contact between medical personnel and subjects; and the inability to achieve automatic sampling. The axial drive end allows for deformation through inflation of different sections to adapt to movement in the sampling direction within the nasal cavity; the auxiliary support surface section controls the force transmission of the nasal swab during use; the middle folding surface section enables automatic folding and rotation; the front brush section improves sampling accuracy while achieving automatic sampling; the specific sampling method steps reduce cross-infection; the gas pressure drive and structural design of different parts of the nasal swab simplify the drive source; and safety risks are reduced.