90 results about "Drip chamber" patented technology

The invention discloses an infusion detection method, belongs to the technical field of medical monitoring, and particularly relates to an infusion detection method and system based on computer vision, and the infusion detection method comprises a data acquisition module, a data processing module and a data display module, transfusion target single-frame images and continuous single-frame images are collected at fixed time intervals through an industrial camera, and then material, capacity information, residual dose information and drip chamber speed information detection is conducted on the infusion target single-frame images and the continuous single-frame images; and finally, uploading the material, capacity information, residual medicine amount information and dripping bucket speed information of the infusion target to a medical care terminal, the image of the infusion bag / bottle can be captured through the camera, the liquid level position is automatically identified in combination with a target detection algorithm, and the residual medicine amount is accurately calculated through an image segmentation technology. Abnormal conditions can be fed back in real time, and medical accident risks are reduced.

The invention relates to the technical field of infusion nursing, and discloses an intelligent monitoring method and system for nursing infusion in an operating room, and the method comprises the steps: collecting the pressure intensity, flow velocity and liquid level height of an infusion pipeline, and obtaining physiological parameters; in a non-transfusion state, collecting N frames of drip chamber images to establish a coordinate system and a background template; m frames of images are obtained in the infusion process, a binary foreground difference image is constructed, a connected domain is extracted, barycentric coordinates are calculated, and whether the images are the same liquid drop track or not is judged through the barycentric distance; counting the number of liquid drops and calculating the flow velocity by combining the drop ratio; constructing infusion indexes including a time sequence consistency score and a pressure diagnosis factor; risk vectors are constructed through patient parameters and infusion indexes, and normalization processing is carried out to generate dynamic risk mapping; and designing a risk scoring algorithm, setting grades according to risk values, and taking different treatment measures.

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 relates to the technical field of hemodialysis pipelines, and discloses a blood path dialysis tube dripping opening chamber which comprises a dripping opening chamber body, the dripping opening chamber body is integrally formed through the extrusion forming technology, and a cavity used for blood flowing is formed between the first end and the second end of the dripping opening chamber body. The first end and the second end are fixedly connected with an upper cover and a lower cover respectively, and the upper cover and the lower cover are both in interference fit with the drip chamber main body; a first containing groove is formed in the side, facing the drip opening chamber body, of the lower cover. A filter screen is pressed and fixed between the bottom wall of the first accommodating groove and the second end; the lower cover is additionally arranged, when the filter screen is installed, the filter screen can be placed in the cavity from the opening in the end, where the filter screen is installed, of the drip chamber body, then the filter screen is stably pressed and fixed in the cavity through the lower cover, the stability of the position of the filter screen is guaranteed, the problem that the filter screen is difficult to install is solved, the assembly efficiency and the assembly quality are improved, and the assembly cost is reduced. And the problems that the filter screen is damaged and the filter screen is not pressed in place in the assembling process are avoided.

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 disposable blood transfusion apparatus comprises a bottle penetrating needle, a liquid stopping clamp, a drip chamber, a flow regulator, a needle head and a plurality of transfusion catheters, the flow regulator comprises a shell, a rotating shaft, a rolling wheel and a locking device, a channel allowing the transfusion catheters to penetrate through is formed in the shell, and movable through grooves are formed in the side walls of the two sides of the shell respectively; the locking device comprises two moving blocks and a locking piece, sliding grooves are formed in the outer walls of the two sides of the shell respectively, the two moving blocks are detachably connected to the two ends of the rotating shaft respectively, the two moving blocks slide in the two sliding grooves respectively, and the two moving blocks are detachably connected to the two ends of the rotating shaft respectively. The locking piece is used for locking the position of the moving block in the sliding groove. The purpose of adjusting the infusion speed is achieved by rolling the infusion catheter through the rolling wheel and changing the sectional area of the infusion catheter, after the infusion speed is adjusted, the locking piece locks the positions of the rotating shaft and the rolling wheel by locking the position of the moving block, and the situation that the rolling wheel is prone to sliding can be improved.

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.

Drip chamber detection assemblies for intravenous sets used with an infusion pump are provided. A drip chamber detection assembly includes a sensor coupled to a drip chamber. The sensor is positioned to generate signals related to the fluid level within the drip chamber. The signal data is transmitted to an infusion pump or a controller. A fluid level status or condition is determined and used for closed loop control of the infusion system, which generates an alarm and / or stops the infusion pump based on abnormal conditions. Methods of operating drip chamber detection assemblies are also provided.

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.

Modular intravenous (IV) assemblies are provided. The modular IV assembly includes a drip chamber having a body and an inlet connector, a base housing coupled directly to a base portion of the drip chamber, the base housing having an inlet port in fluid connection with the drip chamber and a flow path cavity in fluid connection with the inlet port and a flow control assembly coupled directly to a first portion of the base housing. Any of a filter assembly, an anti-run dry member, a check valve and an air vent assembly may be included in the modular IV assembly. IV sets and methods of use are also provided.

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.

Dialysis systems and methods are described which can include a number of features. The dialysis systems described can be to provide dialysis therapy to a patient in the comfort of their own home. The dialysis system can be configured to prepare purified water from a tap water source in real-time that is used for creating a dialysate solution. The dialysis systems described also include features that make it easy for a patient to self-administer therapy. For example, the dialysis systems include disposable cartridge and patient tubing sets that are easily installed on the dialysis system and automatically align the tubing set, sensors, venous drip chamber, and other features with the corresponding components on the dialysis system. Methods of use are also provided, including automated priming sequences, blood return sequences, and dynamic balancing methods for controlling a rate of fluid transfer during different types of dialysis, including hemodialysis, ultrafiltration, and hemodiafiltration.

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 an environmentally friendly disposable infusion set, including a puncture device, an infusion tubing, a drip chamber, and a flow regulator. The puncture device, infusion tubing, drip chamber, and flow regulator are all made of PP and / or TPE. The two connected sections are fixed by ultrasonic welding, laser welding, or electric heating. This invention uses PP and / or TPE, which are compatible with each other and do not require cyclohexyl ketone adhesive for connection. This makes the raw materials used in infusion products more consistent, which can make the recycling of medical waste easier and achieve the purpose of recycling. At the same time, it avoids the recycling difficulties caused by the inability to classify waste and ends the old treatment method of incineration.

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 device for detecting a drop coefficient identifier of an intravenous infusion (IV) line set includes a housing having a recess, a drop coefficient sensor, and a drop speed sensor. A recess in the housing is configured to couple the device to a puncture outfit of an IV tubing set. The recess is also configured to receive a portion of a drip chamber connected to the puncture device when the device is coupled to the puncture device. The drop coefficient sensor is configured to detect a drop coefficient identifier of the IV tubing set when the device is coupled to the puncture outfit via the recess. The drop coefficient identifier indicates a drop coefficient for the IV line set. A drip rate sensor is configured to detect a drip rate of the IV tubing set when the device is coupled to the puncture outfit via the recess.

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.