478 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 invention discloses a fluid conveying device and a fluid conveying system. The fluid conveying device comprises a base part, a fluid storage part, a fluid conveying part and a fluid guiding part, wherein the base part is applied to a target; the fluid storage part is arranged on the base part and is used for storing fluid; the fluid conveying part is arranged on the base part and is used for pumping the fluid from the fluid storage part; the base part comprises a first face part close to a target and a second face part far away from the target, the second face part is used for bearing and fixing the fluid storage part and the fluid conveying part, and the fluid guiding part is communicated with the fluid storage part and the fluid conveying part, penetrates through the base part and is partially arranged in the target; the fluid delivery portion is configured such that a predetermined volume of fluid is obtained from the fluid storage portion and / or such that the predetermined volume of fluid is provided from the fluid guide portion to a target in a volume switching manner. Thus, by means of the fluid delivery device and the fluid delivery system, safer quantitative fluid infusion can be provided for a target.

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.

The invention relates to the technical field of medical boxes, in particular to a nursing medical box with a foldable and storable support frame, which comprises a box body and a box cover, the box body and the box cover are hinged through a hinge, a storable laminate assembly is arranged between the two walls of the box body, locking assemblies are arranged on the two sides of the storable laminate assembly, and the locking assemblies are arranged on the box body. The inner top face of the box cover is fixedly connected with a disinfection assembly, and two sliding grooves are formed in the bottom face of the inner side of the box body. And the storable laminate assembly comprises a sliding strip which is slidably connected to the interior of the sliding groove and folding connecting rods which are rotatably connected to the two sides of the box body. According to the improved nursing medical kit, layer plates and drawers are unfolded while the kit cover is opened, meanwhile, a lamp strip can be automatically turned on when the kit cover is opened, a locking assembly can be automatically driven to be unlocked when the kit cover is opened, a disinfection assembly can be automatically driven to automatically supplement liquid, and when the kit cover is closed, the disinfection assembly can automatically spray disinfectant to the interior of the kit body for disinfection; and external bacteria are prevented from entering the medical box to breed in the use process.

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 relates to an atomization device. The atomization device is provided with a liquid storage cavity; the liquid storage bottle accommodating position is positioned on one side of the liquid storage cavity and is communicated with the liquid storage cavity; the ventilation channel is located on the side, away from the liquid storage bottle containing position, of the liquid storage cavity, and the liquid storage cavity is communicated with the external atmosphere through the ventilation channel. When the atomization device is in an inverted liquid supplementing state, the liquid storage cavity is located below the containing position of the liquid storage bottle, and the atomized liquid in the liquid storage bottle is supplemented into the liquid storage cavity. In the liquid supplementing process, due to the fact that the air exchange channel is communicated with the liquid storage cavity and the external atmosphere, air in the liquid storage cavity can be discharged into the external atmosphere through the air exchange channel, the air pressure in the liquid storage bottle and the liquid storage cavity is kept balanced with the air pressure of the external atmosphere, and then atomized liquid is smoothly supplemented into the liquid storage cavity; and a liquid film does not appear to block the flowing of the atomized liquid, so that the use experience of the atomization device is improved.

The invention 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.

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 utility model relates to the technical field of medical instruments, in particular to an electroencephalogram electrode fluid infusion device. The device comprises a flexible liquid storage pipe, a liquid outlet pipe, a control assembly and an adjusting assembly, the control assembly comprises a ball seat fixed to the liquid outlet end of the liquid outlet pipe, a ball valve movably embedded in the ball seat, a tightening latch movably arranged in the liquid outlet pipe in a penetrating mode, a connecting seat with one end fixed to the bottom of the tightening latch and the other end abutting against the upper portion of the ball valve, and a cleaning sub-assembly arranged below the liquid outlet pipe, wherein the top of the cleaning sub-assembly is fixed to the lower portion of the ball valve. The cleaning sub-assembly comprises a first connecting rod penetrating through the lower wall face of the ball seat and fixed to the lower portion of the ball valve, second connecting rods symmetrically fixed to the two sides of the lower portion of the connecting rod, mounting rings fixedly arranged at the outer ends of the two second connecting rods in a sleeving mode and water absorption pads detachably connected to the bottoms of the mounting rings in a sleeving mode. The outer wall of the control assembly abuts against the inner wall of the liquid outlet pipe, and the inner wall of the control assembly abuts against the tightening latch. According to the device, redundant paste dripping onto the scalp of a patient can be cleaned, and the discomfort of the patient is reduced.

The utility model relates to the field of liquid cooling and heat dissipation, and specifically discloses a pump-driven two-phase liquid cooling system with an online liquid replenishment function, including a working medium circulation pipeline, an upper gas-liquid separator, a lower gas-liquid separator, a pressure relief bypass, a liquid replenishment valve, a liquid replenishment water tank, a liquid replenishment pump and a control circuit; the lower gas-liquid separator is connected in series between the circulation pump and the condenser of the working medium circulation pipeline; and the lower end of the upper gas-liquid separator is connected to the upper end of the lower gas-liquid separator through a first solenoid valve; the liquid replenishment water tank is connected to the upper end of the lower gas-liquid separator through a pressure relief bypass, and an exhaust pressure relief valve is provided on the pressure relief bypass; the liquid replenishment water tank is connected to the upper end of the upper gas-liquid separator through a liquid replenishment pipeline, and a liquid replenishment pump and a liquid replenishment valve are provided on the liquid replenishment pipeline. The utility model realizes the pressure relief and liquid replenishment self-circulation of the circulating working medium, and provides better hardware conditions for automatic liquid replenishment and pressure control.

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 invention discloses a remote control offshore unmanned platform positive and negative circulation well washing and killing system and process, the system comprises a water injection manifold, a killing manifold, a closed discharge manifold and a mixed transportation subsea pipeline, and a remote control hydraulic control ball valve group, a first remote control electric oil nozzle, a flowmeter and one or more pressure transmitters are sequentially arranged between the water injection manifold and the killing manifold; the well killing manifold is respectively connected with the well killing pump, the pressure relief pipeline and the Christmas tree service manifold, the pressure relief pipeline is connected with the closed discharge manifold, the Christmas tree service manifold is connected with the mixed transportation subsea pipeline, the pressure relief pipeline is suitable for remote opening and closing pressure relief, and the Christmas tree service manifold is suitable for remote control opening and closing of positive and negative circulation well washing and killing operation. According to the system, positive and reverse circulation well washing and killing, annulus fluid infusion, oil pipe positive extrusion and oil pipe seal examining operation can be remotely and rapidly carried out in a central processing platform (CEP) or an unmanned platform central control room, the technological process is simple, and operation is convenient.

The utility model discloses a total-factor surgery simulation visual suturing and knotting practice platform. The device comprises an operation table and a control table which highly simulate human tissues, the operating table comprises a simulated human tissue suturing model of which the two sides of an incision are respectively provided with a resistance strain sensor, a simulated blood vessel suturing and knotting model arranged in a blood vessel layer, and a blood pumping device communicated with the simulated human tissue suturing model through a catheter; the blood pumping device simulates the flow velocity and pressure of blood flowing in the liquid supplementing tank centrifugal pump and the simulated blood vessel suture knotting model through a liquid guide pipe; annular pressure sensors for detecting the tension of the blood vessel walls on the two sides during suturing are mounted in interlayers of the inner wall and the outer wall on the two sides of the incision of the sutured blood vessel in an embedded manner, and first annular resistance strain sensors for reflecting the knotting pressure of the blood vessel are mounted on the inner wall of the incision of the sutured blood vessel; a second annular resistance strain type sensor used for detecting the blood vessel ligation pressure value is arranged in an interlayer of the inner wall and the outer wall of the ligation blood vessel.

The utility model relates to the technical field of dissolution instruments, in particular to a liquid supplementing mechanism of a dissolution instrument, which comprises a dissolution instrument main body and a liquid box, a water bath box for heating is fixed on the outer side of the dissolution instrument main body through screws, a dissolution cup for dissolving medicines is placed in the water bath box, and the liquid box is connected with the dissolution instrument main body. A motor for driving the threaded lead screw to rotate is in bolted connection with the interior of the dissolution instrument main body, a transmission sleeve connected with a driving rod is in threaded connection with the outer side of the threaded lead screw, a supporting plate for fixing an electric telescopic rod is welded to the outer side of the driving rod, and a liquid supplementing head for supplementing liquid into the dissolution cup is fixed to one side of the electric telescopic rod through a screw; a conveying pipe connected with the pump body is fixed on one side of the liquid supplementing head through a screw; through the arrangement of the electric telescopic rod, the liquid supplementing head, the liquid box, the pump body, the motor, the threaded screw rod, the transmission sleeve, the driving rod and the supporting plate, the problem that when an existing dissolution instrument liquid supplementing mechanism is used, liquid supplementing treatment is inconvenient to conduct on dissolution cups at different positions is solved.

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 utility model provides a solid-liquid combination type snorting bar which comprises a first suction pipe and a second suction pipe, one end of the first suction pipe and one end of the second suction pipe are fixedly connected with a bottom cover, one end of the first suction pipe and one end of the second suction pipe are fixedly connected with a partition plate, one end of the partition plate is fixedly connected with a lotus-shaped plug, one end of the bottom cover is provided with a magnet groove, and the other end of the bottom cover is fixedly connected with a splice plate. The magnet grooves are internally provided with the metal sheets, the two sides of the bottom cover can be inserted into the magnet grooves through the multiple circular magnets to be positioned and attracted, and the bottom cover is fixedly connected with the magnet grooves through the multiple circular magnets. A user can install suction pipes with different tastes on the two sides of the bottom cover to carry the suction pipes, the suction pipes can be alternately used during use, the situation that the refreshing effect is reduced due to the single taste is avoided, meanwhile, the content can be directly seen through the transparent glass material, the shape is more attractive, the remaining amount of the liquid content can be directly observed, and liquid supplementing and replacing are convenient.

The utility model discloses a separation forceps with a flushing head, comprising two forceps rods, the two forceps rods are hinged, one end of the forceps rods is equipped with a clamp, the end of the forceps rods away from the clamps is equipped with a gripping part, and the inside of the forceps rods, the clamps and the gripping part are jointly provided with an infusion hole. The utility model uses the gripping part to hold the separation forceps, expand the tip of the forceps into the abscess cavity, and inject flushing liquid into the infusion hole. The flushing liquid passes through the infusion hole and sprays out from the tip of the forceps to flush the abscess cavity. After the abscess cavity is expanded, flushing can be performed without switching tools for complicated operations, thereby reducing the complexity of the operation.

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.