183 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.

Disclosed is a multifunctional automatic bottle changing infusion apparatus, which comprises a first bottle stopper puncture head (2) connected to a first infusion bottle (A). The first bottle stopper puncture head (2) is in communication with a first infusion hose (11), and the first infusion hose (11) is in communication with a first inlet of the upper portion of a first drip chamber (5). A second bottle stopper puncture head (3) is connected to the upper portion of a first extrusion hose (9). The lower end of the first extrusion hose (9) is in communication with a second inlet of the upper portion of the first drip chamber (5). The upper portion of a first buoyancy hose (14) extends into the lower portion of the first extrusion hose (9). The outer diameter of the first buoyancy hose (14) is larger than the inner diameter of the first extrusion hose (9). The lower portion of the first buoyancy hose (14) extends into the inner cavity of the first drip chamber (5). The lower portion of the first buoyancy hose (14) communicates with the inner cavity of a first floating ball. The friction resistance generated between the upper portion of the first buoyancy hose (14) and the lower portion of the first extrusion hose (9) is smaller than the combined gravity of the first buoyancy hose (14) and the first floating ball. The sum of the friction resistance and the buoyancy of a liquid medicine to the first floating ball is larger than the combined gravity of the first buoyancy hose (14) and the first floating ball. The infusion apparatus has low cost and high safety performance and can be randomly connected with a plurality of infusion bottles.

A system for regulating fluid flow having a processor configured to reduce image noise is provided. The system includes an image sensor to capture an image of the drip chamber. The processor captures the image of the drip chamber using the image sensor, performs an edge detection on the image to generate a first processed image, and performs a Boolean-operation on a pixel on a first side of an axis of the first processed image with a corresponding pixel on a second side of the axis of the first processed image to generate a second processed image.

A method for adjusting a flow rate of a fluid line is disclosed that includes one or more acts of: capturing an image of a drip chamber using an image sensor; identifying a plurality of pixels of interest within the image; determining a subset of pixels within the plurality of pixels of interest, wherein each pixel of the plurality of pixels is determined to be within the subset of pixels when there is a path to a baseline corresponding to the drip chamber; performing a rotation operation on the subset of pixels; estimating a volume of the drop within the drip chamber by counting a number of pixels within the rotated subset of pixels; and / or adjusting a flow rate of fluid flowing through a fluid line.

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 infusion exhaust device comprises a drip chamber, one end of the drip chamber is communicated with a lower infusion pipeline, the other end of the drip chamber is provided with a drip chamber cover in a sealed mode, the drip chamber cover is communicated with an upper infusion pipeline and a one-way exhaust assembly, and an air suction bag is detachably arranged at the tail end of the one-way exhaust assembly. Compared with an infusion apparatus in the prior art, the air suction bag in the infusion exhaust device can suck air in the drip chamber through the one-way exhaust assembly, the pressure intensity in the drip chamber is reduced, the air dissolution rate of liquid medicine in the drip chamber is reduced, gas-liquid mixtures are avoided, and bubbles are avoided; the needle head of the intravenous infusion needle is prevented from being excessively exposed in the air, and liquid medicine is not wasted. The problems that an infusion apparatus is prone to being polluted and liquid medicine is prone to being wasted during exhausting are solved.

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.

An automated, closed-loop gravity infusion system (10) includes a fluid source (14), a drop counter (20) operatively engaged with a drip chamber (16) of the fluid source (14), a roller clamp (24) functionally linked with the drop counter (20), a processor (26a) operably engaged with the roller clamp (24), and a HMI (28) functionally linked with the processor (26a). Patient data is accessed by the HMI (28). The system utilizes the patient data and data from the drop counter (20) to determine an appropriate roller clamp position. The drop counter (20) continuously monitors the drip chamber's drip rate and feeds the data to the processor (26a) which then analyzes the data and automatically adjusts the roller clamp's position to provide an appropriate fluid dosage to the patient. The HMI (28) is functionally linked to a remote centralized computing system configured to simultaneously monitor several identical systems, each of which is being used to infuse a different patient.

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 invention provides a device for assembling a drip chamber body and a two-way pipe of a defoaming drip chamber, which comprises a workbench, a driving mechanism is arranged on the workbench, the driving mechanism drives a rotating plate to rotate, and four storage moulds are arranged on the rotating plate at intervals along the circumferential direction; a drip chamber feeding station, a gluing station, a two-way pipe assembling station and a transfer discharging station are assembled on the workbench, the four stations are distributed in the circumferential direction of the rotating plate, and when the rotating plate stops rotating, the four storage molds correspond to the four stations respectively. The drip chamber body feeding station is used for feeding drip chamber bodies into the storage mould; the gluing station is used for gluing the drip chamber body in the material storage mould; the two-way pipe assembling station is used for assembling the two-way pipe and the drip chamber body coated with glue in the storage mould; the transfer discharging station is used for discharging the drip chamber bodies and the two-way pipes which are combined in the material storage mould to the corresponding stations and can remove the drip chamber bodies which are not assembled with the two-way pipes in the material storage mould. According to the device, the drip chamber body and the two-way pipe can be quickly and efficiently assembled.

The utility model relates to an infusion apparatus with a length-controllable infusion tube, which is provided with an infusion bag, a puncture outfit, an infusion tube, a dropper, an adjusting valve used for adjusting the infusion flow rate in the infusion tube and a needle head, the puncture outfit is fixed at one end of the infusion tube, and the needle head is fixed at the other end of the infusion tube. A needle on the infusion tube is communicated with the infusion tube through the puncture outfit, the dropper is arranged on the infusion tube and integrally formed with the infusion tube, and the adjusting valve is fixedly arranged on the outer wall of the infusion tube and located between the puncture outfit and the dropper. An adjusting assembly is arranged between the dropper and the needle head, the adjusting assembly comprises an adjusting box body, two first adjusting wheels and a first sliding shaft, the outer wall of each first adjusting wheel is provided with a caulking groove coaxial with the first adjusting wheel, and the adjusting box body is provided with a leading-in opening for leading-in of an infusion tube and a leading-out opening for leading-out of the infusion tube. The device is ingenious in structure, convenient and practical.

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.

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 relates to an infusion alarm system which comprises a dropper controller and a server, the dropper controller is in communication connection with the server, and the dropper controller comprises a shell, an infrared sensor, an electric control unit, a display unit, a sound-light alarm unit, a communication unit, a motor and a knife switch. A groove used for containing the drip chamber is formed in one side in the shell, the knife switch is arranged in the shell in a sliding mode and partially stretches into the groove to abut against an infusion tube at the output end of the drip chamber, the infrared sensor is arranged on the portion, on the outer side of the drip chamber, of the shell, and the electric control unit is in communication connection with the display unit, the motor and the communication unit. And the motor is in transmission connection with the knife switch. The infusion apparatus has the advantages that the electric control unit controls the switch blade to change the infusion caliber of the infusion tube, and the infrared sensor accurately collects and calculates liquid medicine flowing through the infusion tube in unit time, so that the infusion progress is known, and a nurse is more accurately and actively informed of the real state of current infusion.

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.

The utility model discloses a disposable convenient infusion apparatus, and particularly relates to the field of infusion apparatuses. An arc-shaped clamp comprises a left clamp body and a right clamp body; a fixing groove is formed in one side of the containing plate, arc-shaped blocks capable of heating are installed on the two sides of the fixing groove, and the two arc-shaped blocks can move in the face-to-face direction or the back-to-back direction. After one section of the flow guide pipe is placed between the left clamp body and the right clamp body by opening the corresponding left clamp body and the right clamp body, the arc-shaped clamp clamps the surface of the flow guide pipe, the flow guide pipe is pressed in the placing groove, then the connecting belt bypasses the surface of an object, and the snap fastener male end 34 is inserted into the snap fastener female end; therefore, the guide-in needle, the regulator, the drip chamber and the bottle inserting needle are fixed, and finally the sealing cover is closed. Through the cooperative arrangement of the structure, reasonable storage of the disposable infusion apparatus body before use is achieved, and the disposable infusion apparatus body is stably stored, so that the effect of being convenient to carry is achieved, and the problem that flow guide pipes are wound together is solved.

The utility model discloses an in vitro fixing device of hemodialysis tube, which is applied to a dialysis machine, the hemodialysis tube comprises a drip chamber and connecting tubes, the right side of the dialysis machine is provided with the drip chamber, the top end and the bottom end of the drip chamber are both provided with the connecting tubes, the in vitro fixing device of the hemodialysis tube is characterized by further comprising a fixing mechanism, and the right side of the dialysis machine is provided with a baffle. When the in-vitro fixing device for the hemodialysis tube starts to be used, hemodialysis work is carried out on a patient through matched use of a dialysis machine, a drip chamber and a connecting tube, and through use work of a fixing mechanism, the hemodialysis tube is fixed in the use process, and the hemodialysis tube is fixed through the matched use of the structure, so that the hemodialysis tube is more convenient to use. The problems that when an existing dialysis tube fixing device is used, a dialysis tube is not stably fixed and is prone to falling off, and the dialysis tube is prone to being extruded, so that the blood flow speed is changed are solved.

The utility model discloses a central venous pressure measuring device, and belongs to the technical field of central venous pressure measurement. A central venous pressure measuring device comprises an infusion tube, a puncture outfit for puncturing a normal saline bag is arranged at one end of the infusion tube, a drip chamber and a flow regulator for controlling the flow of the drip chamber are arranged on the infusion tube, and a three-way valve is connected to the end, away from the puncture outfit, of the infusion tube. The other two interfaces of the three-way valve are movably connected with a piezometric tube and a venous catheter connected with a central vein; the central venous pressure measuring tube can be used for directly measuring the central venous pressure of a patient, medical staff do not need to disassemble and assemble other tubes, and the problems that the number of consumed materials is large, operation is complex, and infection is caused by contact with bacteria easily during central venous pressure measurement are solved.

The article is a drip chamber with integrated flow regulator for an infusion line. The article has a drip chamber with a spike or perforator, a flow regulator attached to the spike base, and a manually operable graduated disc for controlling the flow regulator.

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.

To provide a drip chamber that can be primed in a single action.SOLUTION: A drip chamber comprises an inlet, an outlet, and a chamber body. The chamber body defines a chamber volume in fluid communication with the inlet and the outlet. The chamber body is movable between a collapsed configuration having a first volume and an expanded configuration having a second volume. The second volume is larger than the first volume, and the chamber body is configured to be moved from the collapsed configuration to the expanded configuration to draw in a medical fluid from the inlet into the chamber volume to prime the drip chamber.SELECTED DRAWING: Figure 1

Medical device for infusion or transfusion lines comprising a tubular spike (2) for insertion into a liquid container and a flow regulator (3) for the manual control of the passage by gravity of the liquid from the spike (2) to a drip chamber (1), comprising a control wheel (11) rotatable around an axis (A) orthogonal to the axis (B) of the spike ( 2 ).

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.