66 results about "Drip chamber" patented technology

The invention provides multi-cavity injection molding equipment for integrated forming of a drip chamber and a pipeline of an infusion apparatus, relates to the technical field of injection molding equipment, and adopts a first hydraulic cylinder to drive a moving seat to complete high-precision mold closing. And in the mold after mold closing, a second hydraulic cylinder and a third hydraulic cylinder drive mold cores to be in place in parallel, specifically, the second mold core penetrates through a hot melting cavity, an inlet of the second mold core is accurately blocked in a conical surface sealing mode, and an injection molding space is divided into an independent drip chamber forming cavity and an independent pipeline forming cavity. Then, the two independent feeders synchronously inject polyethylene and polyvinyl chloride melts. And after injection molding is completed, the equipment sequentially carries out cooling, depoling and local hot melting. The hot melter carries out secondary heating fusion on the junction area of the drip chamber and the pipeline in the mold, and an integrated product with high strength and high sealing performance is formed. All actions are coordinated by a control box through pre-programming logic, and closed-loop control is performed by combining a pressure sensor, a stroke sensor and a temperature sensor, so that independent injection molding and reliable fusion are ensured.

The utility model provides a floater for a drip chamber of a self-liquid-stopping infusion apparatus, which comprises a cylindrical body, and a plugging surface for plugging a liquid outlet of the drip chamber is arranged at the lower part or the lower part of the body; and a spiral blade is arranged on the side surface of the body. Due to the fact that the spiral blade is arranged on the side face of the body, when liquid medicine drips from the liquid inlet dropper of the drip chamber and flows to the spiral blade on the floater, the floater can rotate, and the liquid medicine in the drip chamber can float smoothly when reaching the theoretical liquid level height.

The invention belongs to the technical field of infusion apparatuses, and relates to an infusion apparatus capable of preventing large blood return of an infusion tube. Comprising a puncture needle, an upper connecting tube, a communicating shell, a first fixing shell, a second fixing shell, a lower connecting tube and an infusion needle which are fixedly connected and communicated in sequence, the lower connecting tube is provided with a flow regulator, a guide frame is fixedly connected in the first fixing shell, and a sliding seat is slidably connected in the first fixing shell in a sealed mode; the guide frame is located between the communicating shell and the sliding seat, the sliding seat is provided with a circulating opening and a blocking ball, the blocking ball is used for blocking the circulating opening of the sliding seat, and the guide frame is used for limiting the height of the blocking ball. The movable sliding seat and the blocking ball are arranged in the drip chamber, so that smoothness is kept during normal infusion; when backflow occurs, reverse liquid flow pushes the plugging ball to move upwards and be tightly attached to the guide frame, the circulation channel is automatically closed, and blood backflow is prevented.

Drip chambers are disclosed that can resist the formation of bubbles and turbulence in fluid moving through the drip chamber, and can include an inlet opening to an inner chamber formed at least in part by a sidewall having a portion that intersects a path of fluid droplets moving or falling from the inlet orifice into the inner chamber, where the path of fluid droplets causes the droplets to engage against a tangent impact plane at a location of the sidewall that is transverse relative to the path of fluid droplets such that the fluid droplets can slide from the impact plane into a pool of fluid within the inner chamber and exit the inner chamber through an outlet opening.

The invention relates to an infusion monitoring device (7) for monitoring a gravity infusion therapy, in particular the infusion rate of the gravity infusion therapy, comprising a housing (8), which has a cutout (10) for receiving a drip chamber (5) of an infusion set (2), the cutout extending continuously through the infusion monitoring device (7) along a central cutout axis (13) extending in the direction of gravity. The housing (8) has a first and a second horizontally extending guide structure (14.1,14.2), which are in the form of guide rails (9) and each of which adjoins one side of the cutout (10) and extends through the housing (8) perpendicularly to the central cutout axis (13). The first guide structure (14.1) has a holding mechanism in the form of a flexible component (12), in particular in the form of a spring-biased projection, which is provided and designed to block or release the guide rail (9) of the first guide structure (14.1). The invention also relates to a medical infusion system.

The utility model provides a claw type gluing mechanism which comprises a gluing pneumatic claw mounting plate, N gluing pneumatic claws are arranged on the gluing pneumatic claw mounting plate, N is a positive integer, each gluing pneumatic claw is provided with two gluing claws, and the gluing pneumatic claw mounting plate can do lifting motion and move in the front-back direction under the action of a driving unit; the gluing claw can clamp a glued gluing needle so that the gluing claw can hang glue, and the gluing claw with the glue can clamp a workpiece to be glued, so that the gluing operation of the workpiece can be realized. The claw type gluing mechanism can conduct gluing operation on the end, used for being assembled with the flow dividing umbrella, of the drip chamber cover, so that follow-up assembly production of the defoaming drip chamber is facilitated, namely follow-up assembly of the flow dividing umbrella and the drip chamber cover is facilitated.

The utility model discloses an empty liquid prompting device for infusion, and relates to the technical field of medical instruments. The device comprises a liquid dropping bin, a detection assembly, a power supply bin and a liquid stopping assembly, the detection assembly is arranged outside the liquid dropping bin, and the liquid stopping assembly is arranged at the top of the liquid dropping bin; the detection assembly comprises a mounting ring, the mounting ring movably sleeves the liquid dropping bin, a photoelectric switch generator and a photoelectric switch receiver are mounted outside the mounting ring, the photoelectric switch generator and the photoelectric switch receiver are oppositely arranged, a buoy movably sleeves the interior of the liquid dropping bin, and a fixing assembly is fixedly connected to the top of the mounting ring; a warning lamp and a buzzer are fixedly connected to the front face of the power supply bin, and a storage battery is installed in the power supply bin. According to the utility model, the buoy moves downwards along with the descending of the liquid level in the liquid dropping bin, so that the photoelectric switch generator is connected with the photoelectric switch receiver, and the warning lamp and the buzzer can be started to prompt medical staff to handle in time.

The drip chamber device can include a housing including an inlet portion and an outlet portion disposed downstream of the inlet portion, and a chamber defined by an inner circumferential surface of the housing. The chamber can fluidly connect the inlet portion with the outlet portion. A valve member can be disposed within the chamber to move between (i) a closed state and (ii) an open state based on a fluid level in the chamber, wherein the closed state blocks fluid communication between the inlet portion and the chamber, and the open state does not block fluid communication between the inlet portion and the chamber.

Drip chamber assemblies are described herein. A drip chamber assembly includes a drip chamber and a filter. The drip chamber includes a chamber body defining a chamber volume. The filter is disposed within the chamber volume. The filter includes a folded filter media, which defines an inlet portion of the chamber volume and an outlet portion of the chamber volume. The folded filter media permits inlet flow from the inlet portion of the chamber volume to the outlet portion of the chamber volume. The folded filter media captures particulate from the inlet flow.

The invention relates to a device for separating gas bubbles from a medical fluid, in particular blood, comprising a venous chamber with a reduced volume and comprising an optionally removable filling body. The invention also relates to a tubing set for use in a device for extracorporeal blood treatment.

The invention relates to an infusion monitoring device (7) for monitoring a gravity infusion therapy, in particular the infusion rate of the gravity infusion therapy, having a housing (8) with a first housing portion (9) and a second housing portion (19) which are connected to one another via at least one connecting portion (12, 14), wherein between the first housing portion (9) and the second housing portion (19) is a cutout(10) which is provided and designed to receive a drip chamber (5) of an infusion set (2) and extends along a central cutout axis (13) running in the direction of gravity between the first housing portion (9) and the second housing portion (19). The at least one connecting portion (12, 14) delimits an opening (18) extending through the housing (8) or has or forms said opening. The invention also relates to a medical infusion system.

The infusion apparatus structure comprises a puncture needle, an infusion hose, a drip chamber, an adjusting valve, a filter and a needle head, the puncture needle and the needle head are installed at the two ends of the infusion hose, and the drip chamber, the adjusting valve and the filter are sequentially connected in series through the infusion hose. A liquid inlet connector and a liquid outlet connector which are connected with an infusion hose are arranged at the upper end and the lower end of the filter respectively, the interior of the filter is composed of an inner cavity and an outer cavity, the two cavities are separated through a spherical structure composed of a filtering film and a breathable film, and the outer cavity of the filter is divided into a lower liquid cavity and an exhaust cavity through a separation block. A floating ball is mounted in an inner cavity formed by the filtering membrane and the breathable membrane in the filter, and the infusion hose is in sealed connection with the liquid inlet connector; by arranging the filter of a special structure, bubbles and large solid particles in liquid medicine can be filtered and eliminated, meanwhile, the internal bubbles can be automatically discharged, and potential safety hazards possibly occurring in the infusion process are eliminated.

The utility model relates to the technical field of infusion consumables, in particular to an infusion device, which comprises an infusion tube and a drip chamber, and is particularly additionally provided with a monitoring device such as a clamping component, an alarm and a flowmeter structure, the infusion regulator and the flow meter are both installed on the infusion tube, the flow meter is arranged above the infusion regulator, the flow meter is communicated with the infusion tube, the flow meter can monitor and record the amount of flowing liquid medicine in real time, and when the controller monitors that the amount of the liquid medicine reaches or exceeds a preset threshold value, the flow meter is started. The controller controls the clamping assembly in the monitoring device to cut off flow, meanwhile, the buzzer triggers the alarm function, medical staff is reminded to go to process in time, the risks of blood return and the like caused by negligence of monitoring are greatly reduced through the real-time monitoring and alarm function, and the problems that a traditional infusion device cannot give an alarm prompt, and the infusion safety is affected are solved. The potential risk of transfusion blood return exists.

The automated closed-loop gravity infusion system includes a fluid supply source, a drop counter operatively engaging a drip chamber of the fluid supply source, a roller clamp operatively associated with the drop counter, a processor operatively associated with the roller clamp, and a human-machine interface (HMI) operatively connected to the processor. Patient data is accessed through the HMI. The gravity infusion system utilizes the patient data and data from the drop counter to determine the appropriate position of the roller clamp. The drop counter continuously monitors the drip rate of the drip chamber and transmits the data to the processor. The processor analyzes the data and automatically adjusts the position of the roller clamp to administer the appropriate volume of fluid to the patient. The HMI is operatively linked to a remote centralized computing system capable of simultaneously monitoring multiple systems used to infuse different patients.

A robotic catheter system having fluidics system including a pump station interface with a contrast pump actuator, a camera, a peristaltic pump actuator, and an electrical interface, and a cassette having a distal side and a proximal side, the proximal side of the cassette configured to releasably couple to the pump station interface, the cassette comprising a contrast pump, a saline channel configured to interface with the peristaltic pump actuator, and a drip chamber and clot pod positioned in the cassette to be adjacent to the camera when the cassette is coupled to the interface.

This invention discloses a multi-channel clamp and a multi-channel venous catheter, comprising an inner plate and an outer plate. Along its length, the inner plate has a plurality of through holes centered on the midline at intervals. The outer plate includes a pair of mirror-image upper and lower clamps. Along its length, the upper and lower clamps have a plurality of arc-shaped plates, with the annulus formed by the arc-shaped plates concentric with the through holes. Using the inner plate as a base, the arc-shaped plates are adjusted laterally and longitudinally via the adjustable outer plate to achieve an overall clamping effect on multiple channels. Further fine-tuning of individual arc-shaped plates allows the multi-channel clamp to be adapted to channels of different diameters, and allows for localized fine-tuning. The deformable arc-shaped plates also enable control of the diameter of individual channels, thereby controlling the flow rate. Multi-channel intravenous catheters can be used as drip chambers or pre-stored drug bottles, effectively reducing the number of infusion bottles and thus the number of tubing. This facilitates suture management during surgery. Combined with multi-channel clamps, they can enable the individual or simultaneous infusion of various medications, and are easy to control, making them highly practical and widely applicable.

A portable electronic fluid dispensing system can provide pre-filled, pre-primed IV bag assemblies comprising therapeutic fluids. The same fluid line and connector in the IV bag assembly can be used to fill the IV bag as is used to withdraw fluid from the IV bag and infuse such fluid into the patient. The connection points along the IV assembly, such as the connection between the IV bag and a drip chamber, or between an IV bag and tubing, or between a drip chamber and tubing, or between tubing and a closeable, resealable connector, can each be resistant to disconnection by a user. The healthcare practitioner at the patient care site is not required to attach any of these components to each other, and the healthcare practitioner at the patient care site is not required to introduce a spike into a spike port on the IV bag.

An infusion set with self-venting and self-sealing capabilities includes, in sequence, an air inlet device, a stopper puncture device, an upper short tube, a drip chamber cap, a drip chamber, a long tubing, a flow regulator, an injection element, a drug filter, and an intravenous infusion needle. The drip chamber cap is equipped with a venting assembly, which includes a venting needle located inside the cap and a venting protrusion at the top of the cap. The venting protrusion has a stepped receiving groove communicating with the venting needle. The receiving groove is stepped, with a hydrophilic membrane welded to the bottom step by heat welding or ultrasonic welding, and a hydrophobic membrane welded to the top step by heat welding or ultrasonic welding. This invention improves the structure of the venting assembly, enabling the hydrophobic membrane to self-seal the venting hole in the venting core after venting, effectively preventing air from entering the infusion set during infusion, thus preventing the drip chamber from running dry or even the harmful effects of air entering the body.

The utility model relates to an infusion dripping speed detection alarm which comprises a shell, a cover plate, a power supply unit, a dripping speed detection sensor, a main control unit, an alarm unit and a near-field communication unit, wherein the power supply unit, the dripping speed detection sensor, the main control unit, the alarm unit and the near-field communication unit are arranged in the shell. The first side face of the shell is provided with a containing groove penetrating through the upper end and the lower end of the shell, and a drip chamber part of the infusion tube is located in the containing groove. The cover plate is detachably connected with the first side face of the shell, a drip chamber of the infusion tube is connected between the cover plate and the containing groove in an abutting mode, and an observation window is formed in the cover plate. The dripping speed detection sensors are arranged on the two sides of the containing groove, and the power supply unit, the alarm unit, the dripping speed detection sensors and the near field communication unit are all connected with the main control unit. The drip chamber of the infusion tube abuts against the portion between the cover plate and the containing groove, and disassembly and assembly are convenient and fast. An observation window is formed in the cover plate, so that the infusion dripping speed in the dripping bucket can be manually observed conveniently. According to the infusion dripping speed detection alarm, the dripping speed is quantified, and the conditions that potential safety hazards exist only through manual monitoring and the space is occupied by manual monitoring are avoided.

This utility model relates to the field of food testing technology and discloses a rapid detection device for food sweetness analysis. It includes a base plate with a detector mounted on it, a display screen, and a drip chamber. A bracket is fixedly connected to the base plate, and a disassembly / assembly mechanism and a pressing mechanism are mounted on the bracket. The pressing mechanism consists of a sealing component, a transmission component, a pressing component, a limiting component, and a filtering component. The transmission component includes a rack and a drive gear. The rack is connected to the pressing component and meshes with the drive gear. A driven gear meshes with the outer side of the drive gear. Both the drive gear and the driven gear are rotatably connected to the bracket. This utility model achieves the goal of detecting the sweetness of food while facilitating the cleaning of the pressing cylinder and avoiding the problem of juice overflow during sample pressing.

The utility model discloses an automatic waste liquid collecting device which comprises a mounting seat and a placing basket, a liquid falling cavity and a liquid storage cavity which are communicated with each other are formed in the mounting seat, a mounting cylinder is axially and rotatably arranged in the liquid falling cavity, and a placing cavity and a plurality of seepage holes communicated with the placing cavity are formed in the mounting cylinder. A placing groove for placing garbage is formed in the placing basket, and the placing basket is located in the placing cavity so as to synchronously rotate along with the mounting cylinder to filter out waste liquid to the liquid falling cavity along the liquid seepage holes. According to the automatic waste liquid collecting device provided by the utility model, the mounting cylinder is used for carrying the placing basket to synchronously and axially rotate, so that waste liquid in garbage in the placing basket can be thrown out of the liquid falling cavity from the liquid seepage holes due to centrifugal force, and then the waste liquid flows downwards to enter the liquid storage cavity to be collected and precipitated; and the problem that small garbage particles flow out along with waste liquid due to extrusion and crushing of kitchen garbage is avoided, the problem of blockage of seepage holes is avoided, and the use safety is improved.

The utility model provides a mechanism for transferring and unloading a combined defoaming drip chamber, which comprises a support frame, a support top plate of the support frame is rectangular-ambulatory-plane, a slide rail is arranged on the support top plate along the front-back direction, a slide block matched with the slide rail is fixed on the lower surface of a slide plate, a first cylinder is assembled on the slide plate, and the slide block is driven by the first cylinder to rotate under the action of the first cylinder. The lower surface of the adapter plate is connected with a pneumatic claw mounting plate, N unloading pneumatic claws are arranged on the pneumatic claw mounting plate, two unloading claws are arranged at the unloading pneumatic claws, an air cylinder mounting plate is arranged at the front end of the upper surface of the supporting top plate, a second air cylinder is assembled in the middle of the air cylinder mounting plate, and under the action of the second air cylinder, the N unloading pneumatic claws are arranged on the air cylinder mounting plate. The sliding plate can move in the front-back direction, two third air cylinders are further assembled on the air cylinder mounting plate, cylinder jacking heads are arranged at the telescopic rod ends of the third air cylinders and face the sliding plate, and the sliding plate can move backwards under the action of the third air cylinders. According to the mechanism, the defoaming drip chamber can be discharged from one station to the next station, and unqualified products can be removed.

The utility model discloses an infusion monitoring device and an infusion monitoring device, which comprise a shell, an infusion monitoring device, an infusion monitoring device and an infusion monitoring device, the shell is provided with a cavity, and the cavity is used for installing a drip chamber and a stilligout; the number of the motor assemblies is one or more, the motor assemblies are installed in the shell, each motor assembly comprises a motor and an extrusion head connected to the motor, and the extrusion heads are driven by the motors to stretch out and draw back; the monitoring assembly is arranged in the shell, and the monitoring assembly is used for monitoring the liquid dropping condition in the dropping funnel; and the control panel is arranged in the shell, and the motor assembly and the monitoring assembly are electrically connected with the control panel. The infusion monitoring device further comprises a drip chamber and a stilligout tube, the drip chamber is detachably installed in the shell, and the drip chamber is made of transparent materials. The stilligout tube is connected with the drip chamber, the number of the stilligout tube is one or more, and the stilligout tube extends out of the shell; and the extrusion head can extrude or loosen the stilligout. The infusion condition can be automatically monitored, and convenience is brought to patients and medical staff.

A system for measuring drip rate may include a drip chamber device comprising an elongated body including an inner surface defining a chamber, and a drip rate measurement device. The drip chamber may be fluidly coupled to a container containing an IV fluid configured to drip droplets of the IV fluid into the chamber. The drip rate measurement device may include a housing configured to be mounted to the elongated body of the drip chamber, and a load cell transducer mounted in the elongated body and extending into the chamber. The load cell transducer may be configured to measure a weight of the droplets of the IV fluid and convert the weight into an electrical signal. The drip rate measurement device may further include a controller electrically coupled to the load cell transducer to process the electrical signal and output at least one parameter associated with the IV fluid.

The present invention provides an innovative baby pacifier apparatus, system, and methods for feeding liquid food or medicine to infants. The pacifier comprises a protective guard with a detachable nipple on one side and a detachable food storage chamber or ring on the other. The system includes interchangeable components such as food pouches, feeding tubes, and protective caps, allowing customization based on the infant's needs. A feeding tube connects the pacifier to a liquid pouch via a connector. A flow controller, including a drip chamber in the feeding tube, enables caregivers to regulate the liquid flow rate for safe and efficient delivery. The food storage chamber, fillable through one or more ports, includes flow control valves for releasing liquid when the infant sucks on the nipple. Protective caps attach to the nipple and storage chamber for hygiene, offering a flexible, safe, and convenient solution for feeding in various settings.

The utility model relates to the technical field of invasive blood pressure monitoring, and discloses an anti-falling buckle for an invasive monitoring pressure sensor perfusion apparatus drip chamber, which comprises a first anti-falling half box, and a second anti-falling half box is movably arranged on the right side wall surface of the first anti-falling half box through a hinge. By arranging a first anti-falling half box, a second anti-falling half box, a buckle sleeve, a buckle block, a first anti-falling adjusting mechanism and a second anti-falling adjusting mechanism, the first anti-falling half box and the second anti-falling half box are arranged at the joint of a drip chamber and an infusion tube of the infusion apparatus in a sleeving mode, and the first anti-falling half box and the second anti-falling half box are clamped together through the buckle sleeve and the buckle block; the infusion apparatus drip chamber and the infusion tube are clamped and fixed together by adjusting the first anti-falling adjusting mechanism and the second anti-falling adjusting mechanism, the situation that the infusion apparatus drip chamber and the infusion tube are separated is prevented, the infusion apparatus drip chamber and the infusion tube of different models can be adapted to use, the overall structure is simple, operation is convenient, and the application range of the infusion apparatus drip chamber and the infusion tube is widened.

The utility model relates to the technical field of assembly, and discloses semi-automatic equipment for assembling a silicone tube of a pump type enteral nutrition device. Each assembly unit comprises a drip chamber base, a silicone tube base and a pump tube connector base which are arranged on the base, the drip chamber bases are used for containing drip chambers, the silicone tube bases are used for containing silicone tubes, and the pump tube connector bases are used for containing pump tube connectors; the hold-down mechanism comprises at least one group of rotary hold-down cylinders, and a drip chamber gland, a silicone tube hold-down block and a pump tube joint gland which are driven by the rotary hold-down cylinders; the ventilation assembly comprises a double-rod air cylinder and a ventilation pipe connected to the output end of the double-rod air cylinder, the ventilation pipe is used for ventilating the interior of a silicone tube to enable an inner hole of the silicone tube to expand, and the sealing performance and the mechanical firmness are further improved. And reliable guarantee is provided for liquid conveying safety in medical instrument application.

The utility model relates to the technical field of solid-phase extraction devices, in particular to a large-volume water sample automatic loading solid-phase extraction device which comprises a solid-phase extraction device main body, a solid-phase extraction column is arranged on the solid-phase extraction device main body, and a bottle with a cover for containing a large-volume water sample is arranged on the solid-phase extraction device main body. A bottle with a cap is arranged in the solid-phase extraction device main body, a disposable infusion apparatus is hermetically inserted into a bottle cap of the bottle with the cap, an infusion hose is arranged on the disposable infusion apparatus, a drip chamber, a particle filter, a flow regulator and an injection needle are sequentially mounted on the infusion hose from top to bottom, and a supporting base is arranged at the bottom of the solid-phase extraction device main body. The large-volume water sample automatic loading solid-phase extraction device can effectively reduce the manpower and material resource cost, the large-volume water sample is automatically loaded, the flow rate is controllable, pollution is avoided by disposable appliances, the volume of the water sample can be increased by serially connecting bottles, the detection efficiency is improved, and meanwhile, the blockage risk of the solid-phase extraction column is reduced by filtering particles.