348 results about "Fluid infusion" patented technology

In some embodiments, a system can include a fluid delivery assembly and a motor drive assembly. The fluid delivery assembly is configured to be releasably mechanically and, optionally, electrically coupled to the motor drive assembly. When the fluid delivery assembly is releasably coupled to the motor drive assembly, the motor drive assembly can control delivery of fluid from the fluid delivery assembly (e.g., to a patient). For example, the motor drive assembly can be releasably coupled to the fluid delivery assembly to control delivery of fluid from the fluid delivery assembly to provide continuous (e.g., non-pulsatile) fluid flow from the fluid delivery assembly.

The invention relates to a liquid medicine concentration automatic control correction method and system in the technical field of semiconductor manufacturing, and the method comprises the steps: if the concentration deviation exceeds a preset threshold value, comparing real-time monitoring data with a chemical equilibrium model, obtaining the offset of a reaction rate, and judging the specific parameters of the liquid supplementing amount and the adjustment time; a proportional-integral control algorithm is combined with a trigger condition and a liquid supplementing parameter, the liquid medicine concentration is dynamically adjusted, a compensation factor is introduced for temperature fluctuation, and an adjusted concentration control instruction is obtained; liquid level distribution data in the cleaning tank are synchronously collected through a liquid level detection device, and whether the uniformity of the liquid medicine in the tank reaches a preset standard or not is judged in combination with the adjusted concentration control instruction; and continuously acquiring a stable distribution result, comparing the stable distribution result with an initial data set, judging the optimization degree of the control precision and the response speed, and obtaining a concentration fluctuation range and a uniformity index after dynamic adjustment.

The invention provides an automatic liquid supplementing system of a rack-mounted CDU, which is arranged in a rack and comprises a liquid supplementing pipeline, a secondary side circulation pipeline and a control module, a liquid supplementing water tank, a liquid supplementing pump and a liquid supplementing pipe are arranged on the liquid supplementing pipeline, a liquid level sensor for detecting the liquid level is arranged on the liquid supplementing water tank, a liquid outlet end of the liquid supplementing pump is connected with the secondary side circulation pipeline, and a liquid outlet end of the liquid supplementing pump is connected with the secondary side circulation pipeline. The liquid inlet end is connected with a liquid supplementing water tank or a liquid supplementing pipe, and the liquid supplementing pipe is connected with a liquid storage device arranged outside the rack through a quick connector corresponding to an internal liquid supplementing mode or an external liquid supplementing mode; a pressure detection mechanism is arranged on the secondary side circulation pipeline, and the control module can control automatic liquid supplementing or liquid supplementing stopping and the liquid supplementing mode according to the pressure value detected by the pressure detection mechanism and the liquid level value detected by the liquid level sensor. By monitoring the pressure and the liquid level of the cooling medium in real time, automatic switching between an external liquid supplementing mode and an internal liquid supplementing mode can be achieved, automatic liquid supplementing is achieved, and the system stability and the operation and maintenance efficiency are improved.

The utility model relates to the technical field of liquid filling, in particular to a liquid filling device. The liquid filling valve comprises a shell, a liquid inlet pipe, a liquid outlet pipe and a pressure through hole which are communicated with an inner cavity of the shell are arranged on the shell, a valve element is arranged in the inner cavity of the shell, and the valve element has a liquid supplementing state enabling the liquid inlet pipe and the pressure through hole to be communicated with each other and a liquid injecting state enabling the liquid outlet pipe and the pressure through hole to be communicated with each other. The shell is further provided with a piston cylinder communicated with the pressure through hole, and a piston rod making reciprocating motion in the axial direction of the piston cylinder is arranged in the piston cylinder so that negative pressure or positive pressure can be generated on an inner cavity of the valve element when the valve element is in a liquid supplementing state or a liquid injecting state. On the basis that quantitative pouring and filling are achieved, cost is low, and good adaptability is achieved.

The utility model discloses a reusable vacuum container, which comprises a volume-variable container, a pump, a reversing valve, a fixed liquid outlet nozzle and a fixed liquid inlet nozzle, and is characterized in that the reversing valve is provided with a liquid inlet / outlet, a first liquid outlet, a second liquid outlet, a first liquid inlet and a second liquid inlet; a flow channel in the reversing valve is switched in a manner that when liquid is taken, the first liquid inlet is communicated with the first liquid outlet and is cut off from the liquid inlet and outlet, and the second liquid outlet is communicated with the liquid inlet and outlet and is cut off from the second liquid inlet; when liquid is supplemented, the first liquid inlet is communicated with the liquid inlet and outlet and is cut off from the first liquid outlet, and the second liquid outlet is communicated with the second liquid inlet and is cut off from the liquid inlet and outlet. Due to the fact that the vacuum container is provided with the pump and the reversing valve, and the reversing valve can change the flow direction of the pumped fluid, the fluid can be pumped out of the vacuum container and can also be pumped into the vacuum container, and the purpose that the vacuum container can be refilled with the fluid to be reused is achieved.

In some embodiments, a system for operating a fluid injection system may include at least one processor to receive patient data related to a patient undergoing a fluid injection procedure, in one embodiment, at least one parameter of an injection protocol for a fluid injection procedure is automatically generated based on patient data and independently of an input associated with a dose of a medical fluid for the fluid injection procedure received through a user interface associated with a fluid injection system performing the fluid injection procedure, when the at least one parameter is automatically generated, the at least one processor is configured to determine a dose of the medical fluid for the fluid injection procedure and provide the at least one parameter of the injection protocol to the fluid injection system. Methods and computer program products are also disclosed.

The utility model discloses a liquid injection device and an electronic atomization device, and relates to the technical field of electronic atomization. The liquid injection device comprises a body, a switching mechanism and a liquid injection part, a liquid storage cavity for storing an aerosol substrate and a first opening communicated with the liquid storage cavity are formed in the body, and the switching mechanism is arranged at the first opening to conduct or block the first opening; the liquid injection part is detachably connected to the switching mechanism and provided with a liquid injection hole, and the liquid injection hole communicates with the first opening; when the liquid injection piece and the switching mechanism are assembled together, the liquid injection device is used for injecting liquid, and the first opening is communicated with the liquid injection hole; when the liquid injection piece and the switching mechanism are not assembled together, the switching mechanism blocks the first opening, and the switching mechanism can conduct the first opening under the action of external force, so that the body can be installed in the electronic atomization device to supplement liquid to the electronic atomization device. In this way, the liquid injection device has multiple purposes, and the use experience of a user is improved.

The invention discloses an automatic liquid supplementing device used in the TGV electroplating process and an electroplating system and method. The automatic liquid supplementing device comprises an electroplating cavity, an external tank body, a circulating system, a potential applying assembly, a conductivity sensor and a control module. The external tank body is divided into a left cavity (provided with a soluble anode) and a right cavity (communicated with the electroplating cavity) through an ionic membrane, and the cation concentration of the right cavity is the same as that of the electroplating cavity; the potential applying assembly can adjust the potential difference of the left and right chambers according to electroplating working conditions; the conductivity sensor detects the conductivity of the electroplating liquid in real time, the control module determines the cation consumption based on the conductivity, and the flow velocity and potential difference of the circulating system are adjusted in a closed-loop mode. According to the method, automatic, continuous and accurate supplement of positive ions is achieved through the synergistic effect of concentration difference diffusion and potential difference in combination with closed-loop control, the problems that in the prior art, manual supplement is tedious, concentration fluctuation is large, supplement lags behind and the like are solved, and the stability of the electroplating liquid, the TGV hole filling yield and the uniformity of a plating layer are effectively improved.

The utility model relates to the technical field of oil field gathering and multiphase mixed transportation, in particular to a gas dredging and blocking removing device for petroleum mixed transportation, which comprises a multiphase mixing device, a gas dredging device and a blocking removing device, wherein the multiphase mixing device is provided with an input interface, a liquid supplementing interface and an output interface; the smile separation device is mounted on the pipeline, the smile separation device is mounted on the pipeline connected with the output interface of the multi-phase mixing device, and the smile separation device is provided with a pipe inlet, a pipe outlet and a liquid taking interface; the liquid taking connector is connected with a liquid inlet of the liquid storage tank through a pipeline, and a liquid outlet of the liquid storage tank is connected with the multi-phase mixing device through a pipeline; the multiphase pump is mounted on the pipeline between the multiphase mixing device and the smile separation device; the pressure sensor is mounted on a pipeline connected with the input interface of the multi-phase mixing device; and the flow sensor is arranged on a pipeline connected with the pipe outlet of the smile separation device. According to the air dredging and blockage removing device, the phase separation influence caused by the density difference of the multiphase medium of the incoming liquid can be reduced, so that the occurrence frequency of the air blockage phenomenon is reduced.

The invention belongs to the technical field of water electrolysis hydrogen production, and particularly discloses an electrolytic bath double-side liquid inlet concentration and liquid level balance testing system which comprises an electrolytic bath, a cathode circulation heating tank, an anode circulation heating tank, a liquid supplementing device, a concentration detecting device, a liquid level detecting device, a stirring device and a control device. And a cathode liquid inlet and an anode liquid inlet are respectively formed in the electrolytic bath. According to the electrolytic bath double-side liquid inlet concentration and liquid level balance testing system and the control method thereof, the concentration detection device, the liquid level detection device and the automatic liquid supplementing control device are integrated, double-side electrolyte parameters are monitored and dynamically adjusted in real time, the problems of concentration deviation and liquid level unbalance caused by manual detection hysteresis are effectively solved, and the service life of the electrolytic bath is prolonged. The device has the advantages of automatically adjusting the liquid level and concentration balance on the two sides in real time and improving the safety and operation efficiency of an electrolysis system.

The utility model discloses an automatic liquid adding device of a self-priming pump, which comprises a self-priming pump body, the self-priming pump body is provided with a liquid inlet end and a liquid outlet end, the liquid inlet end is connected with a liquid inlet pipe, the liquid outlet end is connected with a liquid outlet tee joint, the other two connectors of the liquid outlet tee joint are respectively connected with a liquid outlet pipe and a liquid storage tank, the liquid outlet pipe is connected with a liquid supplementing branch pipe, and the liquid supplementing branch pipe is connected with a liquid supplementing pipeline. The other end of the liquid supplementing branch pipe is communicated with the liquid storage tank, and an electromagnetic valve is installed on the liquid supplementing branch pipe and is in linkage control with a metal electrode bar fixed to the top of the liquid storage tank. By the adoption of the device, automatic liquid supplementing can be achieved subsequently only by filling the pump shell with the solution when the self-priming pump is installed, the problem that the self-priming pump can work only by adding the solution into the liquid storage tank every time before being started is solved, and the working efficiency is improved.

The invention is applicable to the technical field of tap water dosing, and provides a dosing device for tap water treatment, the dosing device comprises a device frame and a suspension plate fixedly mounted on the device frame, and a liquid storage tank for storing liquid medicine and a particle box for storing particle agents are fixedly mounted on the suspension plate; the top of the liquid storage tank is fixedly provided with a supplementing tank used for temporarily storing and supplementing liquid medicine, a liquid supplementing pipe is installed between the top of the liquid storage tank and the bottom of the supplementing tank, and an electromagnetic valve is installed on the liquid supplementing pipe and used for controlling supplementing of the liquid medicine. A liquid pump is fixedly installed on the device frame, a liquid discharging pipe is fixedly installed at the liquid inlet end of the liquid pump, and the liquid inlet end of the liquid discharging pipe is fixedly connected with the bottom of the liquid storage tank. According to the dosing device for tap water treatment, automatic generation of liquid medicine is achieved, supplementing and proportioning of the liquid medicine can be accurately controlled, manual intervention is reduced through automatic operation, the working efficiency is improved, meanwhile, stable supply of the liquid medicine is guaranteed, and shutdown is not needed.

A therapeutic fluid infusion system for administering a therapeutic fluid to a human body, the system comprising: a first assembly (20) comprising: a frame (300) configured for attachment to an epidermal region of the human body, a cannula (330) and a self-sealing septum (315), wherein a distal portion of the cannula (330) is configured for subcutaneous placement within the human body and wherein the self-sealing septum (315) separates a proximal portion of the cannula (330) from an external environment, and a second assembly (10) configured for removably attaching to the first assembly (20), wherein the second assembly (10) comprises: a pump (120), a container (220) for holding a therapeutic fluid and a connecting lumen (250) configured to penetrates the self-sealing diaphragm (315) to achieve fluid communication of the second fitting (10) with the first fitting (20).

The present technology is generally directed to flow cartridges configured to measure and / or detect analytes in urine. A representative flow cartridge includes a urine inlet configured to receive urine from a patient, a flow channel fluidly coupled to the urine inlet, and sensors fluidly coupled to the flow channel that are configured to measure parameters of the urine flow. The sensors are aligned with corresponding sensing zones of the flow channel and are operable to generate sensor data based on urine flow through the sensing zones. In some embodiment, the sensor data is used to provide fluid therapy to the patient by adjusting an amount or rate of diuretic and / or hydration fluid based on the sensor data.

A filter for use with a fluid infusion device is disclosed herein. In accordance with some embodiments, the present technology includes a system for delivering a fluid drug to a patient at an infusion site, the system comprising: a fluid conduit configured to deliver the fluid drug along at least a portion of a fluid path, the fluid path extends between a reservoir containing the fluid drug and a cannula inserted subcutaneously into a patient at an infusion site; and a filter disposed within the fluid conduit and configured to trap particles formed in the fluid drug, where the filter comprises a porous structure comprising glycerol.

The application provides a liquid storage bottle type one-way pressing and quantitative liquid taking device, which comprises a bottle body, a composite bottle cap, an inner slide rod assembly and a linkage assembly. A quantitative cavity is formed between the inner bottom plate and the outer bottom plate of the composite bottle cap. The inner end of the inner bottom plate is fixedly connected with an inner guide pipe, and the outer end of the outer bottom plate is fixedly connected with an outer guide pipe. A gas return pipe is fixed to the inner bottom plate. The quantitative cavity is provided with a gas supply pipe and is installed with a gas supply one-way valve. The inner slide rod of the inner slide rod assembly is fixedly connected with an inner sleeve pipe and an outer sleeve pipe at both ends, and is sleeved in the inner guide pipe and the outer guide pipe respectively. Only one side hole is located in the quantitative cavity at all times. The linkage assembly is used for driving the inner slide rod to slide axially outward or inward. The application realizes one-hand operation, and the batch quantitative liquid taking purpose can be achieved by sequentially and alternately pressing. The operation is simple, the speed of discharging the liquid medicine can be improved, the quantitative liquid medicine can be fully discharged, the problem of incomplete discharge of the liquid medicine is avoided, and the problem of deviation of the liquid supplementing quantity when the liquid is supplemented into the quantitative cavity next time by inverting is avoided.

The oral care rod comprises a rod body, a care head is installed at the top end of the rod body, a containing cavity is formed in the rod body, a pair of liquid outlet holes is formed in the top end of the rod body, the liquid outlet holes are symmetrically distributed and communicated with the containing cavity, a liquid storage barrel is arranged in the containing cavity, and a liquid outlet is formed in the top end of the rod body. The liquid storage cylinder is cylindrical, a pair of liquid guide holes is formed in the cylinder wall of the top end of the liquid storage cylinder, and a liquid supplementing piece is arranged in the liquid storage cylinder. The mouth wash can be supplemented at any time according to needs, the nursing head does not need to be dipped in the mouth wash again, friction force between the nursing head and the surfaces of teeth, tongue coating and oral mucosa can be increased through the bristles, so that the cleaning capacity of the nursing head is improved, the anti-skid performance is good, and holding is stable; the oral care rod can be prevented from slipping or slipping out of the hand due to the fact that the hand or the rod body is wetted when the oral care rod is held and used.

The invention relates to the technical field of rectum irrigators, in particular to a rectum irrigator used during rectum anastomosis, which comprises a first cleaning structure and a second cleaning structure, and the second cleaning structure is fixedly arranged on the first cleaning structure; the first cleaning structure is used for cleaning treatment, the injection part is communicated with the spraying pipe through a connecting pipe and a guide pipe, and the auxiliary injection mechanism is communicated with the injection pipe through a butt joint pipe and used for liquid supplementing treatment; the second cleaning structure is used for strengthening cleaning treatment, an inflation pipe communicates with a first connecting air pipe through a butt-joint communicating base and a second connecting air pipe, the first connecting air pipe communicates with a butt-joint connecting air pipe and an air bag, the size of a channel in the spraying treatment pipe is controlled, and therefore pressurized cleaning is conducted, and a metal wire and a lifting head change a flow channel in the control mechanism; and large-flow cleaning treatment is carried out. Through the arrangement of the structure, rectum flushing work is facilitated.

Devices, systems, and method for treating abdominal aortic aneurysms are disclosed. An illustrative system can include an occlusion catheter with an elongate catheter shaft. The elongate catheter shaft can have a first expandable member and a second expandable member. The elongate catheter shaft can have a therapeutic fluid infusion port disposed in an isolated area between the first expandable member and the second expandable member, where the occlusion catheter is configured to infuse a therapeutic fluid via the elongate catheter shaft and through the therapeutic fluid infusion port to a position proximate to an abdominal aortic aneurysm in the isolated area. The illustrative system including an elongate light-emitting catheter including a light-emitting element, wherein the light-emitting element is configured to emit light and be disposed at the position.

The present application relates to the technical field of automatic peritoneal dialysis machine, and particularly relates to a peritoneal dialysis fluid constant-temperature supply and flow self-adaptive regulation and control system; comprising: a liquid supply driving module, a non-contact end heating module, a multi-dimensional signal sensing module and a temperature-pressure coupling multi-state collaborative control module; the present application introduces a non-contact electromagnetic resonance end heating structure and a temperature-pressure coupling multi-state collaborative control algorithm, on the one hand, uses air gap and high-frequency electromagnetic eddy current to realize safe endogenous heat of dialysis fluid in the pipeline, effectively avoids the risk of local thermal deformation and plasticizer precipitation of the pipeline caused by traditional contact heating, improves the biological safety of fluid infusion, constructs a feedforward defense mechanism based on the change rate of end temperature, and through extraction of the dynamic amplitude and static component of the hydraulic waveform, realizes accurate identification of cold stimulation spasm, regular physiological disturbance and pipeline mechanical obstruction, and after diagnosing mechanical obstruction, actively drives the stepping motor to perform reverse backflushing action.

The invention relates to the technical field of electrolytic baths, in particular to a device for improving the current efficiency of an ionic membrane electrolytic bath, which comprises a bath body, an anode body, a cathode body and an ionic membrane body, and further comprises a first liquid supplementing port and a second liquid supplementing port which are arranged on the two sides of the bath body, and liquid supplementing cooling mechanisms are arranged inside and outside the bath body; the vertical cylinder is rotationally connected to the surface of the partition plate; in the liquid supplementing process, liquid pushes the rotating disc to rotate so as to drive the vertical cylinder and the ribs to rotate under the action of the transmission rod, the ribs capture bubbles around the anode through micropores in the surface in the rotating process and cut the bubbles through crushing teeth in the ribs, and then the situation that a large number of bubbles are gathered around the anode body is prevented; and meanwhile, through the power generated by the flowing of the supplemented liquid, the energy consumption of the device can be saved.

The utility model relates to rehabilitation medical equipment, and discloses a movable rehabilitation exercise auxiliary device which comprises a support (1), a moving wheel set (2), a drainage hooking unit (3) and a fluid infusion hooking unit (4). The support (1) is provided with a handrail (11), the handrail (11) is suitable for being held by a patient to support the patient, the moving wheel set (2) is arranged at the bottom of the support (1), the drainage hooking unit (3) is arranged on the support (1) and is suitable for hooking a drainage bag, and the fluid infusion hooking unit (4) is arranged on the support (1) and is suitable for hooking a fluid infusion device. According to the movable rehabilitation exercise auxiliary device, a drainage bag and a fluid infusion device which are carried by a patient can be conveniently hung, and the patient can conveniently and safely get out of bed to move.

The medical device comprises a liquid storage tank, an injector assembly and a double-one-way-valve system, the injector assembly comprises an injector body and an elastic body, a piston is located in an injection cylinder, one end of a piston rod is connected with the piston, the other end of the piston rod is connected with an end baffle, and the end baffle is connected with the elastic body. The piston rod is sleeved with the elastic body, and the two ends of the elastic body abut against the syringe and the end baffle respectively. The double-one-way valve system comprises a first one-way valve, a second one-way valve and a three-way pipeline, three ports of the three-way pipeline are connected with a discharge port of the first one-way valve, an inlet port of the second one-way valve and a suction and discharge port of the syringe respectively, and the inlet port of the first one-way valve is communicated with the liquid storage tank through a pipeline; compared with full-manual equipment, the automatic liquid replenishing device can realize automatic liquid replenishing and is more convenient to operate. Compared with full-automatic equipment, flexibility of manual pushing injection is reserved, and meanwhile automatic liquid supplementing can be achieved through a simple mechanical structure.

The invention discloses a time pressure filling method which comprises the following steps: setting a target weight G1 which is 75%-85% of a target filling weight; setting a target weight G2; a first pinch valve opening degree and a second pinch valve opening degree are set, and the second pinch valve opening degree is smaller than the first pinch valve opening degree; the container is located at a filling weighing station, and the filling steps comprise the steps that S1, the pinch valve is opened to a first opening degree and is kept until the detected weight of the filling device reaches G1; s2, opening the pinch valve to a second opening degree, keeping the second opening degree until the detected weight of the filling device reaches G2, and closing the pinch valve; and S3, waiting for a set time length, and ending filling. According to the time pressure filling method, the process of filling while weighing and the low-pressure filling mode are integrated, the functions of filling without bottles and supplementing liquid are achieved through filling while weighing, and the filling precision and the liquid medicine utilization rate of the emptying, calibration, production and tail liquid stages are improved through the low-pressure filling mode.

This utility certificate discloses a cleaning device's liquid storage tank, an automatic cleaning device, and a cleaning base station. It relates to the technical field of cleaning devices and primarily aims to prevent cleaning fluid from being discharged through an overflow orifice when the cleaning fluid is injected into the liquid storage tank, thus ensuring normal replenishment of the liquid storage tank. The main technical solution described in this utility certificate is as follows.The liquid storage tank of the cleaning device comprises: a tank body including a receiving cavity, and a liquid inlet, a liquid outlet and an overflow orifice communicating with the receiving cavity, respectively, where the liquid inlet and the overflow orifice are provided adjacent to each other; and a liquid blocking element, provided in the receiving cavity and situated between the liquid inlet and the overflow orifice, and configured to prevent the liquid flowing into the receiving cavity via the liquid inlet from flowing into the overflow orifice.

The invention provides a hysteroscope uterine distention medium intelligent management and control system and method based on bimodal data fusion. The system comprises an intelligent sensing execution device and a central management and control server. The intelligent sensing execution device is configured to be detachably installed on the outer wall of the fluid infusion pipeline and used for collecting physical state data of the uterus expanding medium in a non-contact mode and executing on-off control. The central management and control server is configured with a bimodal data fusion engine and synchronously receives the operation video stream and the physical state data; a deep learning algorithm is used to identify a surgical operation stage, and a real-time flow rate and an accumulated consumption amount calculated by physical data are combined to derive a dynamic residual available time length; and generating a hierarchical control instruction according to the matching of the calculation result and the operation stage. According to the invention, fluid control information is superposed to an operation picture through an augmented reality technology, and fluid excessive absorption monitoring and microbubble detection logic are integrated, so that intelligent closed-loop control and active security defense of a hysteroscope operation fluid medium are realized.

The utility model discloses a liquid supplementing barrel processing device, which comprises a barrel body, a liquid supplementing barrel body, a liquid supplementing barrel body and a liquid supplementing barrel body, the flow uniformizing plate is arranged in the containing cavity, and a pipe hole and a plurality of defoaming through holes are formed in the flow uniformizing plate; and the liquid inlet pipe penetrates through the upper surface of the barrel body and extends into the accommodating cavity, and the liquid inlet pipe penetrates through the pipe hole and feeds liquid towards the lower bottom surface of the accommodating cavity. According to the embodiment of the utility model, the liquid level floating condition during liquid feeding in the liquid supplementing barrel can be reduced, liquid level bubbles are reduced, the liquid level position in the liquid supplementing barrel is conveniently measured, and the detection accuracy is improved.

This application discloses a liquid replenishment method, apparatus, and medium for a gas concentration detection sensor, relating to the field of liquid replenishment technology. The liquid replenishment system includes an infusion tube, a delivery device, a liquid replenishment bottle, and a controller connected to the delivery device. The liquid replenishment method is applied to the controller and includes: acquiring temperature and humidity change data of the sensor's environment from the previous moment to the current moment; substituting the temperature and humidity change data into a neural network model to obtain the chemical reagent consumption; and if the chemical reagent consumption exceeds a set consumption threshold, initiating the chemical reagent replenishment process for the sensor. By combining the neural network model to determine the sensor's chemical reagent consumption and replenishing the sensor with chemical reagents based on the consumption, the problem of frequent or untimely liquid replenishment can be avoided by manually replenishing chemical reagents based on experience. The controller controls the delivery device to deliver chemical reagents according to the liquid replenishment method, achieving automatic liquid replenishment and saving labor costs.

The utility model discloses a corneal contact lens storage device which comprises a first base and a second base, the first base is connected with the second base, a care solution packaging bottle is arranged on the first base, an external thread connector is arranged on the second base, a screw cap is in threaded connection with the external thread connector, and a storage cavity is formed in the second base. According to the nursing device, the height of the water level of nursing liquid in the storage cavity is reduced, the first floating ball droops under the action of gravity, and therefore the connecting rod is driven to rotate downwards in the storage cavity; when the corneal contact lens is stored, the conical plug rotates to open the blocked liquid supplementing pipe hole, care liquid in the care liquid packaging bottle is automatically supplied into the storage cavity along the liquid supplementing pipe hole, it is guaranteed that sufficient care liquid is always stored in the storage cavity, storage of the corneal contact lens is facilitated, and use is convenient.

The utility model relates to a single-drive double-needle-tube liquid supply system with synchronous liquid supply and replenishment, which comprises a liquid storage barrel, a liquid supply three-way mechanism, a liquid outlet three-way mechanism, a three-way electromagnetic valve A, a three-way electromagnetic valve B, a double-needle-tube liquid supply and replenishment mechanism, a spray head three-way electromagnetic valve and a spray head, and the double-needle-tube liquid supply and replenishment mechanism comprises a rack, a needle tube A, a needle tube B and a driving mechanism. The driving mechanism drives the piston handle of the needle tube A and the tail end of the needle barrel of the needle tube B to lift up and down, so that the effects of liquid supplementing and liquid discharging can be realized within the same driving time, and the single-drive double needle tubes realize a quantitative liquid supply mode of synchronous liquid supply and replenishment.