140 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.

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 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.

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.

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.

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.

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 present invention relates to the technical field of medical devices, in particular to an assembly mechanism for a drip chamber and a drip core of a blood transfusion set, which includes a bottom plate. A divider is provided on the upper side of the bottom plate, a turntable is provided on the upper side of the divider, and a number of drip chamber housing jigs are provided on the upper side of the turntable. A drip core pushing and gluing mechanism is provided at the left end of the upper side of the bottom plate. Support columns one and two are provided above the bottom plate. A pushing and rotating type plug-in assembly mechanism is provided on the upper sides of support columns one and two. A module bottom plate is provided on the upper side of support column one. This assembly mechanism for the drip chamber and drip core of the blood transfusion set replaces manual labor with machinery, reduces defective products, provides strong quality assurance for blood transfusion equipment, has uniform gluing, no glue leakage resulting in blood leakage, reduces labor, and increases production efficiency.

The multifunctional infusion monitor comprises a control system and a box body, and the box body is divided into a functional part and a clamping part. The function part comprises a pair of concave shells, and components such as a storage groove, a sliding groove, a moving rod, a sliding block, a connecting rod and an extrusion block are arranged in the concave shells and used for adapting to drip cups of different sizes, and it is ensured that the extrusion block can stably make contact with the fingers of a patient for monitoring. The control system comprises a control module, a blood oxygen and heart rate monitoring module, a dripping speed monitoring module and a power module, and real-time monitoring of the dripping speed, the heart rate and blood oxygen is achieved. When abnormal conditions are monitored, the device can send out alarm information to remind medical staff to take measures in time. The infusion monitoring device is simple in structure and convenient to operate, the accuracy and safety of infusion monitoring can be effectively improved, and the requirement for comprehensive monitoring of physiological indexes of a patient in clinical treatment is met.

An apparatus, system and method for regulating fluid flow are disclosed. The apparatus includes a flow rate sensor and a valve. The flow rate sensor uses images to estimate flow through a drip chamber and then controls the valve based on the estimated flow rate. The valve comprises a rigid housing disposed around the tube in which fluid flow is being controlled. Increasing the pressure in the housing controls the size of the lumen within the tube by deforming the tube, therefore controlling flow through the tube.

The invention discloses a multi-connected intravenous infusion apparatus which comprises a bag body, a hanging groove is formed in the top of the bag body, and a liquid inlet, a liquid outlet and a liquid supplementing opening are formed in the bottom of the bag body. The liquid feeding assembly comprises a liquid feeding pipeline connected with the liquid inlet, a plurality of branch pipes and an exchanger, the tail end of the liquid feeding pipeline is branched into a first branch pipe, a second branch pipe and a third branch pipe, the first branch pipe and the second branch pipe converge through a fourth branch pipe, and the fourth branch pipe and the third branch pipe converge and then are connected into the liquid feeding pipeline; the alternating current device is arranged at the converging position of the branch pipes and comprises a shell, a sliding block and a spring, the sliding block is driven by liquid medicine flowing thrust to alternately seal the flow dividing opening, and multiple bottles of liquid medicine are independently conveyed in sequence; the liquid injection assembly comprises a liquid injection pipeline connected with the liquid outlet, a drip cup and a flow regulator, the drip cup is used for buffering the flow speed of the liquid medicine and observing the dripping speed, and the flow regulator linearly presses the liquid injection pipeline through a roller to regulate the pipe diameter so as to control the infusion speed.

The present invention relates to a regulator-integrated drip chamber having a locking device and an infusion kit comprising the same, and more particularly, to a regulator-integrated drip chamber having a locking device, the drip chamber being connected to an infusion bag such that infusion liquid in the infusion bag is supplied to the drip chamber. The instillation chamber includes: a body unit connected to the infusion bag such that the infusion liquid stored in the infusion bag is supplied into the body unit in a droplet form, a lower end portion of the body unit being provided with a discharge hole and connected to a supply hose; a regulator integrally coupled to one side of the lower portion of the body unit so as to regulate a flow rate of the infusion liquid supplied from the body unit to the supply hose; and a filter member provided on one side inside the lower end of the body unit. The adjuster includes a top body unit, a bottom body unit, a gasket inserted between the top body unit and the bottom body unit, and a locking device that restricts or releases rotation of the bottom body unit.

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 invention discloses a medical blood transfusion apparatus, and relates to the technical field of blood infusion, the medical blood transfusion apparatus comprises a soft delivery tube and an intravenous infusion needle mounted at one end of the soft delivery tube, and further comprises a drip chamber assembly used for observing the dripping speed in the blood infusion process to assist in controlling the blood transfusion speed; the puncture assembly is arranged at the front end of the drip chamber assembly in a communicating mode and used for being in puncture connection with a blood transfusion bag in a blunt end mode; the adjusting assembly is arranged in the drip chamber assembly and used for adjusting and controlling the state of the puncture assembly. When the medical blood transfusion apparatus is used, the puncture assembly is arranged to be a blunt end, and when the puncture assembly is connected with the blood bag in an inserted mode, the puncture hole diameter of the puncture assembly is adjusted and controlled in a contraction mode, it can be guaranteed that the blood bag can be punctured into the blood bag rapidly and effectively, and the probability that the blood bag is punctured when the medical blood transfusion apparatus is connected with the blood bag in a punctured mode can also be reduced; and in the puncture connection process, opening and closing control is synchronously conducted on the conveying pipeline by adjusting the puncture hole diameter, and use of the medical blood transfusion apparatus is more convenient.

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.