554 results about "Operation room" patented technology

The invention discloses a pole climbing robot for a wind power tower pole, which is characterized in that the robot mainly comprises a robot body, 4-8 pole climbing mechanisms, a snake-shaped swing arm and a movable studio, wherein the snake-shaped swing arm and the movable studio are mounted on one side of the robot body; the robot body is an annular body formed by combining two semicircular cambered bodies or three equal cambered bodies; the diameter of an internal ring of the circular body is matched with the diameter of the wind power tower pole; the pole climbing mechanisms mainly comprise upper foot wheels, lower foot wheels, connecting arms, driving gears, thrust screw rods, nut gears and supporting seats; the upper foot wheels are connected with the lower foot wheels by the connecting arms through wheel shafts; the connecting arms are connected with the thrust screw rods by connecting pin shafts on the connecting arms, and form movable hinges; the 4-8 pole climbing mechanisms are distributed in the circular robot body uniformly; the snake-shaped swing arm consists of three swing arm parts, namely a large arm, a middle arm and a small arm; and the movable studio comprises two paralleled linear guide rails, a walk driving device and an operation room.

The invention discloses a non-contact operating room intelligent voice control method supporting multi-role voiceprint recognition, and relates to the technical field of voice interaction control, and the method comprises the following steps: S100, collecting full-band noise signals of all high-frequency operation equipment in an operating room in different operation states, extracting harmonic frequency, amplitude and phase features, and carrying out the recognition of the full-band noise signals; and constructing a harmonic noise characteristic database, and establishing and dynamically updating an environmental noise baseline model. According to the invention, through the dynamic environment noise baseline model and personalized voiceprint recognition, frequency spectrum isolation and accurate voice separation of high-frequency operation equipment noise and doctor voiceprint are realized. In combination with space and frequency spectrum dual-domain decoupling and voice integrity detection, and through dual verification of voiceprint identity and non-contact action, it is ensured that an instruction sender is true and effective. And a closed-loop defense mechanism is formed through permission level comparison and context semantic verification, so that error identification and error control are effectively prevented, and the safety, accuracy and continuity of the operation process are guaranteed.

The invention relates to an exterior mirror system and method for fluorescence imaging, and relates to the technical field of image processing, the system can detect fluorescence under a white light operation condition in a tumor excision process, and imaging in a dark or dim operating room is not needed; white light in the fluorescent light is separated, so that a clear fluorescent light image is presented; in addition, fluorescence images can be displayed in a 3D mode, and development is more visual. According to the invention, the technical problems of dark fluorescence image, poor definition and complicated operation in the developing process in the prior art are solved.

The utility model discloses a special plasma beveling machine for H-shaped steel, and belongs to the technical field of H-shaped steel machining. The device comprises a workpiece input line, a workpiece overturning line and a workpiece output line, the output end of the workpiece input line is connected with a first cutting gun operation chamber, the output end of the workpiece overturning line is connected with a second cutting gun operation chamber, and the two ends of the workpiece overturning line are movably connected with the first cutting gun operation chamber and the second cutting gun operation chamber respectively. According to the utility model, in the process of simultaneously beveling and cutting four edges of a plurality of H-shaped steels and patterned H-shaped steels, the cutting gun performs straight seam cutting along the length direction of the lower flange of the workpiece, and when the workpiece completely enters the workpiece overturning line, the workpiece is overturned by 180 degrees, and then the lower flange of the overturned workpiece is cut; the four edges of a workpiece can be beveled at the same time, the consistency of the grooves of the workpiece is effectively guaranteed, the assembling and welding technology of the next procedure is facilitated, the cutting process is rapid and safe, and the cutting efficiency is high.

The invention relates to an underground diaphragm wall groove section foundation cleaning and slurry replacement device and method. Besides a driving function, mobile driving equipment is loaded with an air pump and a slurry suction pump, is connected with a slurry pipe and an air pipe, and realizes slurry replacement by a pump suction reverse circulation method; the slurry pipe is wound on the slurry pipe disc and is hung in the groove section through the guide frame; the viscometer and the densimeter are fixed at the tail end of the slurry pipe, are connected to a control panel in the operation room through an electronic circuit tightly attached to the outer wall of the slurry pipe, and are used for accurately testing the viscosity and specific gravity parameters of the slurry; the slurry pipe disc is mechanically controlled to rotate, so that the slurry pipe is controlled to sink and lift; the control panel is in driving connection with the slurry pipe disc and controls the slurry pipe to be lowered, lifted and stopped. The device replaces a simple slurry taking device to extract slurry for ground detection, and the working efficiency is greatly improved; slurry detection and slurry replacement are combined, pertinence of ground wall foundation cleaning and slurry replacement is improved, and the stability of a ground wall groove section and the quality of ground wall engineering are greatly improved.

An object of the present invention is to provide an information input system for a work machine capable of performing various kinds of settings of a work machine by using an information terminal while preventing an erroneous operation of the work machine. Therefore, in an information input system for a work machine including: a controller that is mounted on the work machine; and an information terminal that inputs information to the controller via communication, an input of the information from the information terminal to the controller is disabled in a case where the information terminal is located at a predetermined position in an operation room of the work machine.

The invention belongs to the technical field of medical training, and particularly relates to a method and a system for constructing a virtual operating room resource library for reappearing an offshore operation scene, and the method comprises the following steps: 1, collecting offshore medical data and scene demands: collecting an offshore environment and medical data, and determining medical care core capability demands; in the application, coupling parameters generated by a sea condition dynamic sensing module drive a mixed reality scene rendering module to present real shake and environment change; meanwhile, parameters are synchronously input to the equipment modeling module, fault response of virtual equipment is triggered, a user operates the virtual equipment through the interaction module and executes an operation on a virtual human body model, and the resource library management module guarantees reusability and updatability of resources in the whole process. Through real-time data linkage among the modules, total-factor dynamic coupling of sea conditions, scenes, equipment and operation objects is finally realized, and the problem of simulation distortion of a traditional system is solved.

The invention provides an operation nursing personnel post matching system and method, a storage medium and electronic equipment, and the system comprises a personnel management module, a capability evaluation module, an operation management module and a post matching module, and the personnel management module is used for constructing a nursing resource library; the ability evaluation module is used for constructing an ability cultivation path for the nursing personnel in the nursing resource library and generating operation ability evaluation results of all the nursing personnel in real time according to the current ability cultivation condition in the ability cultivation path; the operation management module is used for performing operation scheduling on to-be-scheduled operations according to the operation application instruction so as to generate operation scheduling information of each operation room; and the personnel and post matching module is used for matching the operation scheduling information with the operation ability evaluation result to obtain an operation nursing personnel configuration result of each operation room. According to the method, the ability cultivation path is established to clarify the cultivation process, and the operation scheduling information is matched with the operation ability evaluation result, so that the scheduling efficiency of operation nursing personnel is improved.

The invention discloses access equipment and method for a full-automatic germplasm resource medium-term library, and the equipment comprises a germplasm storage shelf which is disposed in the medium-term library; the automatic access robot is arranged in the medium-term warehouse; the connection conveying line is arranged in the middle-stage warehouse, the front chamber conveying system is arranged in a front chamber of the middle-stage warehouse, an automatic pre-cooling cabinet and an automatic recovery cabinet are arranged in the front chamber of the middle-stage warehouse, and a material box is conveyed to the automatic pre-cooling cabinet, the automatic recovery cabinet and a warehouse door of the middle-stage warehouse through the front chamber conveying system; the operation room conveying system is arranged corresponding to the front chamber conveying system; the sorting mechanism is mounted in the middle-stage warehouse front chamber; an inventory management system; the storage positions of the germplasm storage shelves are respectively provided with an RFID tag. Through cooperation of the automatic storing and taking robot and the connection conveying line, automatic storing and taking of a whole box, a single germplasm bottle and a plurality of germplasm bottles with discontinuous warehousing numbers are achieved, and the working efficiency is improved.

The utility model relates to the field of portal cranes, in particular to a rail type container portal crane which comprises a portal frame, an operation room is arranged at the top of the portal frame, a hoisting mechanism is arranged at the bottom of the operation room, a connecting assembly is arranged on the side wall of the hoisting mechanism, and a supporting assembly is arranged at the bottom of the connecting assembly. The supporting assembly comprises a supporting rod and a base, the base is fixedly installed at the bottom of the supporting rod, and the supporting rod is movably inserted into the connecting assembly; the clamping groove is formed in the hoisting mechanism to be in butt joint with the connecting assembly and matched with the supporting assembly at the bottom of the connecting assembly, so that when the hoisting mechanism is placed, the hoisting mechanism can be supported, the clamping arm is in contact with the ground before the clamping arm is in contact, the supporting assembly is used for buffering, and the clamping arm is protected; and the phenomenon that the clamping arms collide with the ground is prevented.

The invention relates to the technical field of medical education, and discloses a virtual simulation method for an interactive anesthesia crisis skill training scene, and the method comprises the following steps: constructing a high-fidelity operating room and a crisis processing scene in a virtual environment; physiological parameter changes of the patient are simulated in real time and fed back to the student interface; recording and analyzing operation steps, decision-making time and physiological feedback of the trainee in training; and the learning path of the trainee is dynamically adjusted through a multi-objective optimization algorithm, so that the training effect is enhanced. According to the invention, through a personalized learning path and a real-time feedback mechanism, the effectiveness of anesthesia crisis skill training is improved. Students practice in a vivid virtual environment, and the clinical decision-making ability and the operation accuracy are enhanced. Meanwhile, the system is continuously updated to ensure that the training content is consistent with the latest medical practice, high-quality medical professionals are cultivated, and the medical service quality is comprehensively improved.

The invention discloses a shield type assembly cantilever crane comprehensive construction operation platform, and aims to solve the problems of high tunnel construction cost, large potential safety hazard and low construction efficiency. The platform comprises a walking system, a shield system, an intelligent operation room, a frame supporting system and an operation arm system. The top of the walking system is connected with the frame supporting system, the intelligent operation room is arranged at the top of the frame supporting system, the operation arm systems are carried on the two sides, and the shield system covers the walking system in an arc shape. The walking system adopts a crawler-type chassis and is equipped with a power supply unit. The operation arm system is symmetrically distributed on the two sides and comprises a slagging-off system, a rock drilling arm, an anchor rod arm and an arch frame-concrete spraying arm which have unique structures and functions. Multiple functions are integrated, the number of times of equipment entering and exiting a field is reduced, the cost is reduced, the shield system improves the safety, the comprehensive operation requirement can be met, and the tunnel construction efficiency and quality are effectively improved.

The invention relates to the technical field of medical information, in particular to a data processing method and system for a digital operating room, and the method comprises the following steps: obtaining operation plan information, decomposing an operation process into a plurality of links, classifying various operating room data collected in real time according to the operation links, and generating an operation data classification result. According to the method, the operation process is divided into a plurality of links, accurate classification of operating room data, dynamic assessment of operation risks in combination with physiological data and timely sending of early warning prompts to medical staff are achieved, and the bandwidth allocation priority is dynamically adjusted by analyzing the bandwidth requirement of each data stream in different operation links, so that the operation efficiency is improved. The data transmission efficiency in the operation process is improved, the storage priority of the data is adjusted according to the storage and reading behaviors of the data, optimized utilization of storage resources is achieved, the access permission of the data is dynamically adjusted by means of the timeliness of the data, and accurate management and safety control over the access permission of the data are achieved.

The invention discloses an inflatable high-voltage switch cabinet with a phase control function, and relates to the technical field of high-voltage switch cabinets, the inflatable high-voltage switch cabinet comprises a switch cabinet body, the switch cabinet body comprises an operation room, a control room, a cable room, a recovery room and a switch room, the control room is connected to the top of the operation room, the cable room is connected to the bottom of the operation room, and the recovery room is connected to the bottom of the switch room. According to the application, the SF6 gas in the switch chamber can be directly and actively recycled into the storage tank through the storage tank in the recycling chamber when the SF6 gas leaks, so that the problem that the SF6 gas is not recycled when the SF6 gas leaks in the switch chamber of the high-voltage switch cabinet is solved, and the safety performance of the high-voltage switch cabinet is improved; the SF6 gas can be liquefied by compressing and then cooling the SF6 gas, so that the problem that the gaseous SF6 gas occupies more storage volume than the liquid SF6 gas when the SF6 gas is directly recovered is solved, the space occupation of the storage tank is reduced, and the recovery rate of the SF6 gas is improved.

The invention relates to the technical field of energy-saving refrigeration, in particular to an ultra-low power consumption operating room refrigeration method which comprises the following steps: acquiring carbon dioxide concentration and freezing a fresh air inlet, reading an oxygen concentration and temperature control curve to adjust an oxygen release channel, and linking the running state of a compressor and the output of a condensation flow rate correction channel. And guiding heat into a heat exchange surface channel, extracting air supply data and analyzing a synchronous trend to obtain a low-power-consumption refrigeration closed-loop operation state. According to the method, the gradient of the carbon dioxide concentration is monitored, the air door state is frozen, fresh air introduction is adjusted, the clean environment is maintained with low air volume, the opening and closing proportion of an oxygen channel is adjusted in combination with heat exchanger thermal response, compressor power and condensation flow speed linkage analysis is conducted, channel output is corrected, cooling capacity lag is reduced, and hot air flow direction and temperature difference distribution are extracted; and the heat is guided to be reused to a heat exchange channel, the tail end air temperature, humidity and gas concentration are compared with a main control state, a synchronous change section is recognized, a closed-loop feedback path is constructed, and the adjusting sensitivity and the energy consumption precision are improved.

Apparatus and associated methods relate to dynamically monitoring radiation exposure of sensitive objects. In an illustrative example, a dynamic hazard visualization system may provide real time radiation exposure monitoring for medical personnel in an operation room. A dynamic hazard visualization system (e.g., DHVS), for example, may include a data store comprising a plurality of predetermined radiation intensity models. For example, the DHVS may receive at least one image received from a camera installed in the operation room. Based on the received image and one or more predetermined radiation intensity models, the DHVS may generate an inter-object properties data structure (e.g., IOPD) of the operation room. The DHVS may use the IOPS to generate, in real time, an instantaneous radiation intensity profile based on a dynamic geometry generated based on updated images received from the camera. Various embodiments may advantageously monitor radiation exposure of the medical personnel in real time.

The utility model relates to the technical field of electrical equipment, and discloses a high-voltage shock resistance testing machine which comprises an equipment bottom plate, an electric shock operation chamber is fixedly installed at the top end of the equipment bottom plate, two limiting installation plates are fixedly installed in the electric shock operation chamber, and limiting knobs are installed on the limiting installation plates in a penetrating mode. The electric shock operation room is fixedly provided with limiting rotary knobs, the limiting rotary knobs are arranged on the limiting rotary knobs, the sides, close to each other, of the limiting rotary knobs are provided with tested equipment in a clamping mode, the top end of the electric shock operation room is fixedly provided with a high-voltage generator, and the bottom end of the high-voltage generator is provided with two electrified cables. In actual use, the problems that certain electrical potential safety hazards exist when existing electric shock test equipment is used for high-voltage operation, particularly, protection on operators is not enough, and the operators and the equipment are prone to being damaged due to electric leakage are effectively solved.

The invention relates to the technical field of fruit tree fertilization equipment, in particular to an intelligent fertilization device for yellow peach planting, which comprises a machine body, the machine body is composed of a crawler propelling part, a rotary base and an operation room, a supporting table is fixed on the machine body, the intelligent fertilization device further comprises an incomplete round cover, a supporting frame is relatively fixed on the incomplete round cover, and a fertilizer application device is arranged on the incomplete round cover. Arc-shaped rods are fixed to the supporting frames, under the cooperation of the incomplete circular cover, the annular guiding part and the excavating and backfilling part, the whole process of excavating and backfilling soil around fruit trees is automatic, workers only need to control the excavating and backfilling device during operation, the automation degree is high, and the labor intensity of the workers is greatly reduced; the digging and backfilling part is guided by the diameter control part, so that workers can dig the peripheries of the fruit trees with different diameters or growth postures, and the applicability of the equipment is higher.

The present invention relates to a manual high-pressure parts washer for safe and effective machine part washing while maintaining cleaning solution quality and protecting pump performance.The washer includes a main body (10) with internal space divided by partition (11) and vertical plate (12) into upper operation room (13), lower machine room (14), and water storage room (15). An opening (16) with door (20) is formed at the upper side. A cleaning solution spray pipe (30) is provided inside the main body (10). A glove-shaped sleeve (40) extends into the operation room (13) through fixing hole (22a) in door (20) for user hand insertion. Water supply unit (50) supplies cleaning solution from water storage room (15) to spray pipe (30).The operator arranges parts in operation room (13) and sprays cleaning solution for washing. This provides simple structure for easy parts cleaning.

The embodiment of the invention provides a variable-level fresh air system control method and system for a clean operating room, and the method comprises the steps: obtaining air quality information in the clean operating room, and preprocessing the air quality information to obtain optimization information; comparing the optimization information with set air quality condition information to obtain an air quality deviation rate; current fresh air parameter information is obtained, and an air quality difference interval is analyzed based on the air quality deviation rate; setting correction coefficients of different grades based on the air quality difference interval; performing grade adjustment on the current fresh air parameter information based on the correction coefficients of different grades to obtain fresh air control information, and transmitting the fresh air control information to the terminal in real time; by analyzing the air quality in the clean operating room and judging the difference interval of the air quality between the set condition information, parameter adjustment of different levels is set according to the difference of the air quality, the fresh air variable-level air volume control is achieved, and the control flexibility is improved.

The invention discloses an operation line fixing structure for operating room nursing and a method thereof.The operation line fixing structure comprises a shell, a winding roller in the shell and an operation line wound around the winding roller, a fixator, a guide roller, a disinfection roller set, a liquid storage cavity, a cutting and locking mechanism and an electric line conveying roller set are further arranged in the shell, and a line taking opening is formed in the shell; the fixator is used for fixing the winding roller, an operation line output by the winding roller is wound and folded by the guide roller and then is input into the electric line conveying roller set through the disinfection roller set, the operation line output by the electric line conveying roller set passes through the cutting and locking mechanism and then is output into the line taking opening, the disinfection roller set comprises a movable roller and a fixed roller, and the movable roller is arranged in the shell through the position adjusting mechanism; an outlet of the liquid storage cavity is connected with a liquid conveying pipe, and an outlet of the liquid conveying pipe is matched with the disinfection roller set in position. The technical problems that in the prior art, the cut-off position of an operation line falls into a fixing structure, the line end is difficult to take out when the operation line is used next time, and the end of the operation line is exposed and polluted can be solved.

The invention provides an operation room personnel intrusion detection method and device, and the method comprises the steps: recognizing a target video frame related to an operation room, and determining a door target contained in the target video frame; according to the area of the door target, the door state of the door target is determined, and the door state comprises an opening state and a closing state; when the door state is the closed state, identifying a personnel target contained in the target video frame; a reference object target in the target video frame is recognized, the position relation between the person target and the door target is determined according to the reference object target, and the position relation is an intrusion relation or a non-intrusion relation; and according to the position relationship, generating an alarm instruction and reporting the alarm instruction to a preset alarm device. Whether personnel intrude into the operation room or not is accurately detected in real time, the situations of missing detection and false detection are reduced, and reliable safety guarantee is provided for industrial production.

The invention relates to the technical field of medical information security, and discloses a patient privacy data protection method used in an operating room. The method comprises the following steps: uniformly coding patient privacy into a binary system, zero-filling the binary system into a square matrix, and filling according to rows; a disturbance seed is generated through combination of operating room environment temperature and noise quantification, and chaotic mapping is driven to carry out two-dimensional replacement on a matrix; applying position-related mask XOR to the sub-blocks, and overturning odd columns or even rows according to global parameters; and then linearization is carried out according to rows and filling is eliminated, and a final ciphertext is output. Meanwhile, disturbance control parameters are constructed and bound, and then Hash check is calculated and structured packaging is carried out. Through global and local double-layer disturbance, field seed driving and reversible coding, the scheme enhances the resistance to statistical analysis, plaintext attack and replay attack on the premise of no fixed key, and gives consideration to real-time performance, security and traceability.

1. The name of this design product: Public Toilet (Post Station). 2. Purpose of this design product: This design product is used to provide related supporting services in the park, including sales, tea breaks, toilets, operation rooms, tool rooms, management rooms and other functions. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. The bottom surface of this design product is difficult to see or cannot be seen during use, so the top view is omitted.

The application discloses a master-slave separated embolism agent mixed injection device, which solves the liquid layering phenomenon in the operation process, and comprises an execution end arranged in an operating room and a control end arranged in a control room and capable of controlling the execution end. The control end comprises an embedded controller, a signal collector and an injection handle, the control end and the execution end are in wireless communication, the execution end comprises a drug carrying module, a shaking module and an injection module; the drug carrying module is used for carrying a needle cylinder carrying a drug; the injection module is used for pushing the needle cylinder on the drug carrying module in an injection direction to perform injection; and the shaking module is used for reciprocating the needle cylinder in the drug carrying module in a direction perpendicular to the injection direction. In the application, the shaking module realizes reciprocating operation by cooperation of a rack and a non-complete gear, the needle cylinder can realize small-range shaking in a horizontal plane, and finally the purpose of mixing the drug liquid is achieved, which is close to the artificial mixing process.

The embodiment of the invention relates to the technical field of lubricating oil injection, and provides an automatic lubricating oil injection device and system.The device comprises a quick-change lubricating assembly, the quick-change lubricating assembly is used for being installed on equipment to be lubricated to provide lubricating oil, and the quick-change lubricating assembly comprises a quick-change main body, a feeding cavity and a discharging cavity, the feeding cavity is provided with a first discharging opening, and the first discharging opening is used for supplying lubricating oil; the first piston is arranged in the feeding cavity in a sliding mode and used for pushing out lubricating oil in the feeding cavity. The elastic piece is used for pushing the first piston to push out the lubricating oil; and the first plug is arranged at the first discharging opening and used for sealing the first discharging opening, and the first discharging opening can be opened after the first plug is inserted. According to the technical scheme, the technical problem that in the prior art, mechanical equipment lubricating liquid in a glove box and a radiation shielding operation chamber is inconvenient to add is solved.

The invention relates to the field of medical data processing, in particular to a delivery room and operating room nursing optimization system based on data analysis, and the system comprises the steps: collecting the heart rate data of a puerpera and a fetus, and storing the data into an array; acquiring a fetal heart rate data fluctuation error factor according to the relative size of the puerpera and fetal heart rate data; acquiring a confidence factor of the fetal heart rate data according to the continuous change of the fluctuation error factor of the fetal heart rate data; obtaining a puerpera heart rate data abnormal factor according to the fluctuation of the difference between the puerpera heart rate and the previous heart rate data value and the difference between the puerpera heart rate and all adjacent heart rate data; acquiring abnormal degree parameters of the heart rate data of the fetus in combination with the parameters and the factors; and continuing to collect the heart rate data and update the array, setting a fetal heart rate abnormity degree parameter threshold value, judging whether the fetal heart rate data is abnormal or not, reminding medical personnel to nurse, and completing the nursing optimization of the delivery room and the operating room based on data analysis. According to the method, fetal heart rate abnormity judgment is more accurate.

The utility model relates to the technical field of operating room air supply devices, in particular to an operating room air supply device which comprises a base, the top of the right side of the base is fixedly connected with the bottom of an air inlet piece, and air enters an air outlet box through a fan after being filtered by a filter plate. When the air outlet box is opened, the rotating shaft rotates and drives a limiting shaft to rotate through a transmission belt at the same time, when the limiting shaft rotates, a rotating rod is indirectly driven to rotate through meshing force between a first gear and a second gear, then a second protection plate rotates around the rotating rod, and an ultraviolet lamp in a groove can sterilize air; after the device is used, the motor rotates reversely to drive the first protection plate and the second protection plate to rotate reversely, so that the device can open the air outlet box and the groove during air supply and can be closed when not used, dust and pollutants are effectively prevented from entering the device, and the device is kept clean and stable in performance.

The invention relates to a specimen liquid extractor with a quantification function, and belongs to the technical field of medical instruments, the specimen liquid extractor comprises a main control module, a suction device, an anti-reflux protection device, a human-computer interaction interface and an extractor shell, the main control module comprises an MCU core controller, a lithium polymer battery and a miniature camera, and the lithium polymer battery supplies power to the MCU core controller and the micro camera. According to the sample liquid extractor, the problem that a traditional sample liquid extractor possibly loses efficacy due to the fact that liquid viscosity is too high or contains impurities when quantitative operation is conducted through a flow sensor is solved, image recognition is not affected by liquid physical characteristics by directly observing the liquid level height, and a better quantitative function is achieved; through image recognition, a probe or other quantitative sensors do not need to be inserted into liquid, the risk of cross contamination can be effectively avoided while automatic quantification is achieved, rapid quantitative and accurate extraction of the sample liquid can be effectively achieved, the risk of contamination in an operation is reduced, and the sterile requirement of an operating room is met.