284results about "Flow monitors" patented technology

An auto-occlusion safety device is provided for use in preventing rupture of infusion components during rapid infusion procedures. An occlusion valve is disclosed having a threshold pressure that is less than a rupture tolerance of the infusion system components. As the fluid pressure of the infusion system increases beyond the threshold pressure of the occlusion valve, the occlusion valve is automatically activated thereby occluding fluid flow upstream from a vulnerable infusion component. An accumulator is further disclosed for use in combination with the safety device to compensate for time delays in full activation of the occlusion valve.

A device may receive, by an intelligence analytics module of an intelligent dosing platform at least one applicable governance standard from a governance library. A device may determine, by the intelligence analytics module based on the at least one applicable governance standard, at least one analysis type to be performed regarding the request. A device may execute, by an artificial intelligence module of the intelligent dosing platform, the at least one analysis type with respect to the request according to the at least one applicable governance standard. A device may generate, based on a result of the at least one analysis type, a determination regarding whether to permit the requested dosage administration or the requested device control decision, wherein the determination accounts for compliance with the at least one applicable governance standard.

A monitoring apparatus for monitoring fluid flow into or out of a patient comprises a fluid flow sensor and an output means. The fluid flow sensor is configured to attach to a fluid line fluidly connected to the patient and measure fluid volume data comprising data proportional to the volume of fluid which has passed through the fluid line over a time period. The monitoring apparatus is configured to determine, using the fluid volume data, a volume of fluid which has passed through the fluid line over the time period. The output means is configured to provide an output based on the volume of fluid and the time period.

A liquid level sensor can include a circuit board and a thermistor bridge supported by the circuit board comprising a first pair of thermistors and a second pair of thermistors. A heat sink can be coupled to the circuit board proximate the first pair of thermistors and not the second pair of thermistors. A power supply can be configured to provide pulses of electrical current through the thermistor bridge. A controller in communication with the thermistor bridge can be configured to receive a measurement signal from the thermistor bridge output a low product indication when the measurement signal satisfies a predetermined condition.

Optimized bio-synchronous drug delivery begins with establishing a bio-synchronous treatment protocol that incorporates individual temporal and innate biological characteristics into a pharmacological treatment plan. The bio-synchronous treatment protocol is thereafter initiated using bioactive agent delivery device. Bio-synchronous drug delivery includes continual collection of patient data such as physical, psychological, temporal and environmental characteristics. This data is analyzed so to not only determine an initial treatment protocol but to also determining whether modification to the ongoing bio-synchronous treatment protocol is required. And, responsive to determining a modification is required the system modifies the bio-synchronous treatment protocol and use of delivery device. These modifications and treatment protocols can include reactive and proactive psychological support supplied to the patient in a variety of formats.

This application belongs to the field of medical injection and relates to an infusion alarm method, device, equipment, and storage medium. The method includes: acquiring the current infusion pressure value and a preset infusion pressure value; calculating the infusion pressure difference based on the current infusion pressure value and the preset infusion pressure value; determining whether the infusion pressure difference is greater than a preset infusion judgment threshold and less than or equal to a preset alarm judgment threshold; if the infusion pressure difference is greater than the preset infusion judgment threshold and less than or equal to the preset alarm judgment threshold, recording the duration value; determining whether the duration value is greater than or equal to a preset time threshold; if it is greater than or equal to, determining whether the current infusion pressure value is greater than or equal to the preset infusion pressure value, and triggering an alarm prompt based on the determination result; if it is less than, maintaining the current state; if it is greater than the preset alarm judgment threshold, generating a blockage alarm; if it is less than or equal to the preset infusion judgment threshold, maintaining the current state. This application can achieve accurate and effective alarm prompt judgment based on real-time infusion pressure.

The application discloses a control method and a control device of a liquid infusion system, and belongs to the technical field of clinical infusion. The liquid infusion system is used for liver surgery, and comprises a collection module and an infusion module. The collection module is used for collecting physiological indexes of a patient. The infusion module is used for preparing a liquid solution and infusing the liquid solution into the patient. The control method comprises the following steps: acquiring the physiological indexes of the patient, determining a target liquid formula according to the physiological indexes, controlling the infusion module to prepare the liquid solution according to the target liquid formula, and infusing the liquid solution into the patient, so as to eliminate abnormal items in the physiological indexes, thereby being favorable for improving the success rate of liver surgery, reducing the workload of medical staff in the surgical process, improving the treatment efficiency, and reducing the adverse prognosis rate.

The application provides an infusion pump empty bottle early warning method and device based on pipeline pressure and an infusion pump. The method comprises the following steps: acquiring a plurality of upper pressure sensing values, determining a reference pressure value of a target period, and taking the maximum value in the upper pressure sensing values as the reference pressure value; determining a first difference value according to the reference pressure value of the target period and a previous reference period; determining a second difference value according to adjacent first difference values; and when the number of consecutive negative second difference values meets a first preset threshold value and the first difference value of the target period is less than a second preset threshold value, performing an empty bottle early warning operation. According to the technical scheme of the embodiment of the application, the pressure sensing device has small space occupation and simple structure; the change of the upper pressure caused by the rapid drop of the liquid level at the bottle opening is utilized, the change trend of the upper pressure of the infusion tube is represented by the second difference value, the change amplitude of the upper pressure is represented by the first difference value, and the rapid and accurate detection of the empty bottle is realized in combination.

Systems for use with a medical device for controlling an infusion device are provided. In one aspect, a system includes an infusion device that is configurable with operating limit parameters for providing medication to a patient, and a limiting system. The limiting system receives laboratory information associated with a patient, compares current operating parameters of the infusion device with the operating limit parameters in view of the laboratory information for the patient before and during administration of the medication to the patient by the infusion device, determines that administration of the medication by the infusion device should be prevented based on comparing the operating parameters with the operating limit parameters in view of the laboratory information and, responsive to determining that the operation should be prevented, prevents the administration of the medication by the infusion device, and generates a notification indicating that the operating limit parameters require modification.

This present disclosure relates to systems, devices, and associated methods for fluid therapy based on patient data, including managing fluid levels of the patient based at least partially in response to data received from the patient before and / or during the fluid therapy. In some embodiments, the systems, devices, and methods described herein are used to treat a patient for fluid overload. To treat fluid overload, patients can be administered a diuretic which induces and / or increases urine production and a hydration fluid that replaces at least some of the fluid removed from the patient as urine. The diuretic and / or the hydration fluid can be administered according to a number of different administration regimens.

This invention relates to the field of clinical contrast-enhanced injection technology, and more particularly to a clinical contrast-enhanced injection device for cardiovascular medicine. The device includes a housing, a reservoir mounted on the top of the housing, a dispensing tube connected to the upper end of the reservoir, a heating tube installed inside the reservoir, a pressure plate installed inside the heating tube, a fixing column fixedly connected to the center of the reservoir, a transport tube connected to the bottom of the fixing column, a connector connected to the bottom of the transport tube, a pipe groove inside the housing, a sealing door installed at the groove opening, a receiving groove inside the pipe groove, a receiving mechanism installed inside the receiving groove, and a transport mechanism installed inside the housing. This invention allows for free control of the injection tube's length, and the heated injection tube is more adaptable to deformation, maintaining a small temperature difference with the contrast agent in the reservoir when extended for use, thus maintaining the stability of the contrast agent during use.

A system includes a flow sensor contained within a flow sensor housing, a base, and a seal. The base houses a controller that generates at least one operation modification signal, and the flow sensor is separable from and mountable onto the base. A bottom surface of the flow sensor housing includes the seal. The seal forms a liquid-tight engagement between the flow sensor housing and the base when the flow sensor is mounted onto the base.

A method includes receiving, by a master infusion device from a server, at least one fluid delivery protocol. The fluid delivery protocol includes one or more parameters for delivering a fluid to a user. The method also includes configuring, by the master infusion device, a first slave infusion pump with a first fluid delivery protocol of the at least one fluid delivery protocol. The method further includes configuring, by the master infusion device, a second slave infusion pump with a second fluid delivery protocol of the at least one fluid delivery protocol. The method also includes delivering, by the first slave infusion pump and based on the first fluid delivery protocol, the fluid to the user. Related methods and articles of manufacture, including apparatuses and computer program products, are also disclosed.

A venous monitoring system is disclosed that can include a fluid passageway formed in a housing to receive and direct fluid through the housing, a sensor coupled to the fluid passageway to detect data of the fluid in the fluid passageway, a communication unit to communicate data sensed by the sensor, and a power source, wherein the system of the present disclosure can be used for venous monitoring when coupled to a catheter or an intravenous set, or can include a catheter needle extending from the housing, and wherein the system of the present disclosure can detect characteristics such as placement of a catheter, fluid passageway occlusion or patency, and catheter extravasation or infiltration.

A method for tracking a dose pattern and patient response can include determining a dose pattern for delivering a medication to a patient based at least on one or more dose events at a pump configured to deliver the medication to the patient. One or more vital signs related to the patient can be received from a patient monitor. A presence of one or more abnormalities can be determined based at least on the dose pattern of the pump and the one or more vital signs of the patient. An electronic alert can be transmitted to a mobile device in response to determining the presence of the one or more abnormalities. Related methods and articles of manufacture, including devices and computer program products, are also disclosed.

A system includes a variable displacement pump (VDP) (102) in fluid communication with an inlet line and with an outlet line. The VDP includes a variable displacement mechanism configured to vary pressure to the outlet line. An electromechanical actuator (EMA) (136) is operatively connected to actuate the variable displacement mechanism for direct electromechanical control of the VDP.

An improved wearable device delivers a fluid medicament to the subcutaneous tissue of a user. The device is better suited for patients with Parkinson's Disease and other central nervous system disorders, than conventional infusion devices. The device can include a reusable part including a drive component (e.g., motor) and control electronics and a disposable part including one or two medicament reservoirs. Medicament can be evacuated from the medicament reservoir(s) by a plunger assembly that includes a plunger head attached to a lead screw that is linearly moved by a nut rotating in a bushing, all within the disposable part. The device can be fluidically coupled with the tissue via a flexible cannula.

There is described a flow meter comprising: a coupler adapted to couple to a drip chamber; a support member operatively coupled to the coupler; an image sensor having a field of view and operatively coupled to the support member, wherein the image sensor is positioned to view the drip chamber within the field of view; and at least one processor operatively coupled to the image sensor to receive image data therefrom, wherein the at least one processor compares an image of the image data to a reference image to estimate at least one parameter of liquid within the drip chamber.

A method and apparatus for determining an inactive time of a medical liquid dose calculator are provided. According to the method, an infusion error of a medical liquid infusion device may be detected, and an inactive time of the medical liquid dose calculator may be determined in response to detection of the infusion error.

Method and system for controllably administering and / or withdrawing fluid from a patient. In one embodiment, the system may include a needle assembly, an ultrasound imager, a fluid supply storage unit, a waste storage unit, a fluid pump, and a foot pedal assembly. A syringe may serve as the fluid supply storage unit and the waste storage unit. The pump may include a bi-directional motor and a gear coupled to the motor. The gear may be engageable with a rack on the syringe plunger to drive the plunger either for fluid aspiration or infusion. Depression of one portion of the foot pedal assembly causes the motor to drive the gear in one direction, and depression of another portion of the foot pedal assembly causes the motor to drive the gear the other direction. The system may include a control device to keep pressure in the fluid path from exceeding a limit.

One or more embodiments of the present disclosure may include an insulin delivery system that includes an insulin delivery device, a user interface that includes multiple user-selectable icons or buttons each representing different meal characteristics, memory to store one or more user-specific dosage parameter, and a processor in communication with the memory and adapted to receive blood glucose data. The processor may also be adapted to determine initial meal characteristics associated with each of the user-selectable icons or buttons based on at least one of the user-specific dosage parameters. The processor may also be adapted to update the meal characteristics associated with each of the user-selectable icons or buttons based upon the blood glucose data.

An intelligent dosing platform system for device lifecycle management and predictive maintenance comprising intelligent injection devices with sensors configured to detect operational parameters, device monitoring modules tracking sensor calibration state, battery life metrics, and device performance data. A predictive analytics module analyzes device operational data to forecast maintenance timing, sensor calibration requirements, and device replacement needs. The system includes maintenance scheduling modules that generate automated maintenance alerts based on predicted device performance degradation. A lifecycle documentation module maintains comprehensive device history records including deployment dates, calibration events, maintenance activities, and retirement tracking. The system optimizes device fleet performance through proactive maintenance scheduling, minimizes device downtime through predictive failure prevention, ensures patient safety through continuous device integrity monitoring, and maintains regulatory compliance through comprehensive lifecycle documentation and firmware management capabilities.

Systems and methods are provided for reconciling untrusted data of a subject using trusted data pertaining to the subject. Systems and methods are directed to evaluating differences in predicted data with respect to corresponding received data. Systems and methods estimate metabolic states from a combination of trusted and untrusted metabolic inputs, along with optionally using a personalized mathematical model with parameter optimization. Systems and methods provide for reconciled untrusted inputs with their measured impact of the glycemic signals that is consistent with a metabolic model. Estimation of future metabolic states for decision support and automated insulin dosing is enabled. Replay of scenarios with estimated or reconciled data is also provided.

A drug infusion device according to the present invention includes a drug injector that electrochemically drives an electroosmotic pump to aspirate a drug from a drug reservoir and expel the aspirated drug into an infusion target, and a controller that outputs a control signal to the drug injector corresponding to a rate-based infusion sequence that drives the electroosmotic pump in a basal infusion mode. The rate-based infusion sequence includes at least one pulse block that defines a voltage pulse or current pulse to be applied to the electroosmotic pump, and at least one pause block that maintains a 0 V voltage or 0 A current for a predetermined time after application of the pulse block. Each pulse block defines a pair of pulse signals that are applied to the electroosmotic pump and include a forward pulse and a reverse pulse that alternately generate negative and positive pressures. The electroosmotic pump alternately generates negative and positive pressures for each pulse block to aspirate and expel the drug.

Certain aspects of the disclosure provide a syringe pump monitoring system, method, and computer readable media for automated detection and monitoring of changes in measurements of syringe to be used in syringe pumps. An expected measurement may be determined from the measurements of syringes used in syringe pumps and used to determine such changes in measurements. A syringe loaded into a syringe pump may be compared to reference measurements and expected measurements to identify the syringe type, and to enable accurate infusion.

The fluid engineering system includes a cassette having a saline subsystem, a contrast agent subsystem, and a vacuum subsystem. The fluid engineering system further includes a splitter and a first tubing set coupled to the cassette and the splitter, the first tubing set having a single saline channel, a single contrast agent channel, and a single vacuum channel. The fluid engineering system further includes two or more hub assemblies, at least one of which has a third saline channel, a third contrast agent channel, and a third vacuum channel, and is configured to provide saline, contrast agent, and vacuum to the lumen of a catheter coupled to at least one of the two or more hub assemblies. The fluid engineering system further includes a second tubing set having a plurality of tube groups, each tube group coupled to the splitter and to one of the two or more hub assemblies.

Disclosed are a system, techniques and processes for monitoring and modifying a drug treatment regimen when a user partakes in a ketogenic diet. The disclosed system obtains ketone level measurements of a user and indicates a user's adherence to the ketogenic diet as well as modifying a user's total daily dosage of a drug based on the user's following the ketogenic diet.

The application discloses a kind of based on pressure sensor's intravenous infusion exosmosis detection device, it is related to intravenous infusion exosmosis detection tool technical field.The device includes adhesive tape, dustless belt, sterile dressing, insulating shell, intelligent processing module and interactive platform, sterile dressing is built-in magnesium sulfate storage cavity and slow-release switch, and inlay has the sensing mechanism of the pressure physical signal of collection puncture site;The intelligent processing module in insulating shell is detachable, can receive sensing mechanism signal and conversion, filter amplification generation exosmosis detection electric signal, by bluetooth and wireless radio frequency dual-mode transmission to interactive platform.This device realizes exosmosis whole process automation prevention and control, solves the pain point of traditional detection lag, high cost, management disorder, improves nursing efficiency, guarantees patient safety, with safety, economy and management.

The utility model provides a kind of infusion detector locking device, comprising: lock block and hanging rod;The side wall and bottom wall of lock block are equipped with first perforation and second perforation respectively, lock block is equipped with lock slot, and lock slot is communicated with first perforation and second perforation;Hanging rod is successively worn in first perforation and lock slot;The end of hanging rod is equipped with hooking portion, and hooking portion extends to lock block outside from second perforation;The end of hooking portion away from hanging rod abuts or is adjacent to lock block side wall, and gap exists between hooking portion and lock block bottom wall, to form locking space;Suspension hole is sleeved on hooking portion, and located in locking space.The utility model makes hooking portion extend to lock block outside and abut or be adjacent to lock block side wall, so that hooking portion cannot pass through lock slot from second perforation and enter first perforation;Infusion detector is hung in the part of corresponding locking space of hooking portion, so that infusion detector is blocked by lock block, prevent infusion detector from sliding or separating from hooking portion in the process of hanging, maintain the smooth progress of medical work.