1223 results about "Fluid administration" patented technology

The invention relates to the technical field of medical monitoring, and discloses a novel infusion alarm and an infusion alarm system. The system comprises an infusion state monitoring module, an alarm decision module and an alarm execution module. A multi-source sensing unit of the infusion state monitoring module is distributed in a liquid level detection area, a drip chamber area and a patient contact area of an infusion tube assembly and collects optical refractive index, gravity change and real-time image data, and a data fusion unit performs heterogeneous signal fusion on the data to generate a multi-mode infusion state signal. A state analysis unit of the alarm decision module receives the signal and outputs a liquid level prediction signal and an infusion abnormal risk signal, and an alarm rule engine generates an alarm trigger threshold according to the signal. And a sound-light alarm unit of the alarm execution module responds to the threshold value to start a sound-light alarm sequence, a remote notification unit generates a graded alarm notification based on the abnormal risk signal, and a man-machine interaction interface outputs a comprehensive risk index.

An atraumatic vessel occlusive system includes a flexible tubular member with an infusion lumen, a vessel occluder mounted at the distal end of the tubular member, and a pressure sensor located within a chamber defined by the occluder. The occluder has a braided construct provided with a fluid impermeable membrane over its proximal portion and a fluid permeable covering over its distal portion. The pressure sensor is adapted to sense pressure within the vessel through the fluid permeable membrane without being subject to the effects of turbulent flow at the exit of the infusion lumen. The accurately sensed pressure can be used to determine a dwell time for the occluder.

The invention provides an intelligent infusion monitoring method and system based on multi-sensor fusion, and relates to the technical field of intelligent infusion monitoring. The method comprises the following steps: acquiring infusion process data through a visual sensor, a weight sensor and an infrared sensor; aligning the time sequence labels and synchronously generating a fusion data stream; extracting a liquid level height characteristic, a weight change rate and a real-time dripping speed value, and carrying out dynamic weighting calculation; acquiring infusion doctor's advice data of a hospital information system, and extracting a preset dripping speed range and a total liquid amount; calculating the residual infusion time based on the weighted data and the total liquid amount correlation; when the weighted real-time dripping speed value deviates from a preset range, the weighted weight change rate is not matched with the liquid level height trend or the dripping speed pulse signal is lost, an early warning instruction is generated; and the remaining time and the early warning state are visually displayed at the nurse station terminal. Through multi-source data fusion and cross validation, the problems of incomplete monitoring, time sequence dislocation and early warning lag are solved, and infusion safety and management efficiency are improved.

The invention provides an intelligent nursing system and method. The intelligent nursing system comprises at least two infusion devices and a control terminal. The infusion devices are arranged in infusion areas respectively; the control terminal is provided with an infusion management module and a cluster scheduling module; the infusion management module is used for managing the current infusion progress of the infusion equipment; the cluster scheduling module generates infusion nursing tasks of all time periods according to the infusion progress of all the infusion devices and schedules medical staff of all the time periods according to the infusion nursing tasks. Compared with the prior art, the intelligent nursing system and the intelligent nursing method have the advantages that the infusion equipment, the patients and the medical staff in one or more infusion areas are managed and scheduled in a unified manner, the efficiency of infusion nursing service is maximized, and the efficiency and the quality of the infusion nursing service are improved.

The invention relates to the technical field of drainage control, in particular to an intelligent cerebrospinal fluid drainage rate and pressure cooperative control system and method. The system comprises a drainage pipeline module, a positioning adjustment module, an intelligent pump control module, a monitoring sensing module, a cooperative control module and a man-machine interaction module, and can be used for establishing a cerebrospinal fluid drainage channel and being connected with a drainage bag; a laser positioning pen fixed on the infusion rod emits a laser beam which is horizontal to a preset drainage plane and adjusts the hanging height; an infusion pump and a pump body controller drive cerebrospinal fluid to flow according to set parameters and generate flow velocity, flow and drainage time control signals, meanwhile, real-time intracranial pressure data, real-time flow and flow velocity data and physical sign data are collected, and a drainage height adjusting instruction or a pump control parameter adjusting instruction is generated; cooperative control over the drainage rate and the intracranial pressure is achieved, and system operation parameters, patient monitoring data and the drainage state are displayed. The drainage device can accurately control the drainage amount of cerebrospinal fluid.

A liquid transfer device is provided having a trifurcated body that includes a vial adapter at a first end configured to telescopically mount on the crown of an IV bottle to puncture a stopper in the crown with a cannula, an IV port extending from an opposing second end of the trifurcated body, and a needleless self-sealing port extending from a third end of the trifurcated body and configured to couple with the male connector of an additive transfer device. Methods of using the liquid transfer device with an IV bottle, additive transfer device, and an infusion set to prepare an infusion liquid for administration to a patient are also provided.

A technical solution for monitoring operation of a medical delivery device such as a wearable patch pump for occlusion is provided that employs sensing pump motor current during at least one of a dispense stroke and an aspirate in a pump cycle. The solution can be implemented alone or in combination with other occlusion sensing methods that use one or more of pump measurement data such as pump stroke duration (e.g., duration of aspirate stroke or dispense stroke in a rotational metering-type pump or a reciprocating-type pump), end-stop or limit switch activation, and duration difference between aspirate and dispense strokes to detect occlusion. Accuracy of occlusion detection based on measured data in a fluid delivery device is improved by using dead band normalization of loaded measured data to unloaded measured data.

The utility model relates to the technical field of medical auxiliary equipment, in particular to an operation rotary table for infusion and injection and a multifunctional clamp thereof, the operation rotary table for infusion and injection and the multifunctional clamp thereof comprise a circular clamp body, and the clamp body is sequentially provided with an upper positioning groove, a limiting groove and a lower positioning groove which are communicated with one another in the axis direction; the upper positioning groove, the limiting groove and the lower positioning groove form openings in the side wall of the clamp body, the upper positioning groove and the lower positioning groove penetrate through the upper end face and the lower end face of the clamp body respectively, the width of the upper positioning groove is smaller than that of the lower positioning groove, and the width of the lower positioning groove is smaller than that of the limiting groove. According to the multifunctional clamp, after the puncture opening is clamped in, the multifunctional clamp is rotated, the opening is closed through the inner wall of the rotating disc used for installing the multifunctional clamp, and therefore the puncture opening can be fixed, and the multifunctional clamp can be suitable for installation of various puncture openings.

The invention discloses a central vein vascular access complication risk management method and related equipment. The method comprises the steps that based on basic physiological information and edema related information of a patient, ideal pressure values of different edema parts of the patient are determined through a treatment pressure decision model, and the treatment pressure decision model is obtained through training according to historical clinical treatment data; displaying the ideal pressure values of the different edema parts of the patient; in the binding process, the actual pressure value between the bandage and the skin of the patient is obtained, and the actual pressure value is displayed. The problems that in the prior art, complication supervision of a patient after a central venous catheter is implanted through a peripheral vein and infusion port implantation stays in static inquiry, the response speed is low, emergency situations cannot be recognized in time, the data collection mode is single, and the evaluation accuracy is insufficient can be solved.

The present invention discloses a high-precision chip-type micropump wearable precision syringe, which specifically relates to the technical field of medical devices. The present invention evacuates a hydraulic liquid supply tank to a vacuum to form a negative pressure, and then the needle tip of a liquid-filled injection needle pierces a heparin cap, so that the drug driving liquid is pressed into the hydraulic liquid supply tank and squeezes the piston of the pushing unit to move to one side. The volume of the hydraulic liquid supply tank increases, and the drug driving liquid enters the micropump unit through the micropump liquid inlet hole. Since the micropump unit swings to a fixed value each time, the drug driving liquid is accurately driven and controlled, and the injection volume is accurately controlled. The piston member in the cartridge bottle is pushed forward to quantitatively push the injection liquid, and the liquid drives the liquid, so that the infusion is accurate and reliable; the implanted spring pushes the indwelling needle catheter seat to be clamped into the convex ring cavity. Afterwards, the stainless steel needle is withdrawn, leaving only the soft indwelling needle catheter in the blood vessel. Injection is performed through the indwelling needle catheter without waiting for too long, thereby reducing the discomfort and pain caused to the patient.

The invention discloses an infusion state and vital sign intelligent monitoring method based on multi-modal fusion, and relates to the technical field of sign monitoring, and the method comprises the following steps: respectively collecting infusion dripping speed, pipeline liquid state, infusion pressure and breathing and heart rate signals of a patient; filtering the original signal of each sensor; key features are extracted from the processed signals, wherein the key features comprise parameters including the average dripping speed, the liquid existence proportion, the pressure change rate, the respiratory rate and the heart rate; carrying out normalization and confidence weighted fusion on the extracted infusion and vital sign characteristics, calculating an infusion state index and a vital sign index, and further obtaining a combined abnormal index; performing three-level anomaly judgment according to the fused index; monitoring data and alarm information are uploaded to a hospital information system in real time. By introducing a judgment algorithm based on multi-modal data fusion and confidence coefficient weighting, monitoring and graded alarming of the infusion state and the vital signs of the patient can be achieved.

Disclosed herein are drug delivery devices including catheter assemblies, infusion systems, pre-filled syringes, methods of use, combination products, kits of parts, and drug products with parts lists for independent sourcing, for use in the otic administration of a drug product to a subject in need thereof.

The invention relates to the technical field of medical instrument control and medical automation, and discloses a cardiovascular interventional therapy postoperative patient infusion supervision system and method. The method comprises the following steps: preheating an arterial pressure sensor to heat balance, and collecting baseline data according to a set interval and duration to calculate zero offset and noise; then, steady-state blood pressure is obtained at low, medium and high speeds, an average value is corrected, a calibration point is provided for quadratic polynomial mapping, and a coefficient is analyzed and solved; blood pressure is collected in real time, after zero correction, median filtering and moving average, the recommended infusion rate is calculated, amplitude limiting is conducted within the safe upper and lower limits, and the infusion rate is converted into a pump driving instruction; meanwhile, theoretical and actual accumulated infusion quantities are tracked, errors are calculated, and intelligent alarming is conducted by combining an error threshold value and signal effectiveness.

The invention provides a system and a method for optimizing endovascular interventional radiography and flushing based on an image technology. The system comprises a transfusion module, an image acquisition module and an intelligent control module, the infusion module is used for executing liquid injection operation in an interventional operation; the image acquisition module is used for acquiring and storing multi-real-phase blood vessel image data generated by each radiography operation; the intelligent control module is used for analyzing blood vessel image data and intelligently controlling and adjusting the liquid injection process; by fusing real-time image analysis and dynamic pressure regulation and control, individualized, intelligent and safe and efficient control of the radiography liquid injection process is achieved.

The invention relates to the technical field of medical apparatus and instruments, and discloses an anti-falling infusion device for child nursing, comprising: an infusion seat, one side of which is provided with an infusion support for hanging an infusion bottle; the armrest block is mounted in the armrest area of the infusion seat and used for supporting the hand of the child patient; the finger limiting assembly is installed at the front end of the armrest block and used for limiting fingers of the child patient, and the finger limiting assembly can elastically stretch out and draw back in the length direction of the armrest block when subjected to external force; the protection assembly is mounted on the armrest block and used for covering the arms of the child patient to limit the movement range of the child patient. Through the synergistic effect of the finger ring piece, the elastic loading piece, the rod type elastic piece and the protection assembly, excessive movement of the hand of a child patient is limited, arm shaking is buffered, the needle falling risk is reduced, temperature adjustment in winter and summer is achieved through the detachable water bag piece, the comfort degree is improved, the abutting assembly and the finger limiting assembly are linked, an infusion tube is automatically locked, mistaken touch is prevented, and the safety of the child patient is improved. And the infusion safety and stability are enhanced.

The invention discloses an infusion monitoring and automatic blocking device and method. The device comprises a blocking mechanism, a monitoring module and a control module. The blocking mechanism controls the first abutting piece and the second abutting piece to be close to each other through the driving piece so as to clamp the infusion tube. The monitoring module adopts a double-sensor scheme of an upper sensor and a lower sensor and is used for monitoring liquid drop pulse and liquid level height. And the control module operates a weighted average data fusion algorithm based on confidence, and calculates the actual dripping speed after fusion. According to the device, the accuracy and reliability of infusion state monitoring are improved through a dynamic calibration algorithm and data fusion. The control module can accurately identify three main risk states, namely dripping speed and flow abnormity, infusion completion and pipeline gas abnormity. When it is judged that the infusion tube flow channel is abnormal, the control module drives the blocking mechanism to rapidly block the infusion tube flow channel, a double confirmation mechanism is arranged to provide safety redundancy, a safety closed loop of'detection-decision-execution 'is formed, and the safety and management efficiency of clinical infusion are improved.

The invention discloses a radiopharmaceutical infusion support. The technical problem that in the existing radiopharmaceutical infusion process of a patient, medical staff or accompanying family members and other persons are prone to being affected by radiation is solved. The device comprises a height-adjustable support, and the support is provided with a hollow lead tank used for containing a radiopharmaceutical injector, a driving mechanism used for driving the radiopharmaceutical injector to infuse radiopharmaceuticals and a control unit connected with the driving mechanism. By designing the driving mechanism used for driving the radiopharmaceutical injector to infuse radiopharmaceuticals, constant-speed infusion is achieved, the accuracy of nuclear drug therapy administration dosage is guaranteed, and the operation process is simplified. The liquid crystal control screen can achieve visualization and semi-automation, contact radiation is reduced, and meanwhile time benefit optimization is achieved.

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 relates to the technical field of clinical decision support and medical data intelligent analysis, in particular to a critical patient individualized liquid resuscitation decision support system, which is characterized in that a data acquisition unit acquires pulse pressure variation waveform and multi-dimensional physiological data of each stroke volume; a volume benefit analysis channel of the dynamic decision-making unit segments a respiratory cycle, extracts pulse pressure fluctuation characteristics, outputs a per-stroke volume increase probability value through a machine learning classifier, an organ injury early warning channel calculates a blood lactic acid and creatinine clearance rate change rate, and generates an acute kidney injury risk sign in combination with inferior vena cava image verification; the execution control unit sends an infusion control or limit instruction according to the combined state; and the feedback optimization unit adjusts the weight of the model according to the actual value of blood lactic acid removal, and recalculates the probability value, so that individualized precise resuscitation, balance capacity benefit and organ protection are realized, and the treatment safety and effectiveness are improved.

A fluid administration device is disclosed. According to one example implementation, the fluid administration device includes a connector, a tube, and an applicator. The connector is configured to connect to a corresponding device, such as a syringe or other vessel filled with medication, colostrum, or other fluid. A proximal end of the tube can be affixed to the connector. A distal end of the tube can be connected to the applicator. Fluid from the corresponding device can flow into the fluid administration device via the connector, into the tube, and into the foam applicator. The applicator can be inserted into the buccal cavity of a patient and massaged along the buccal mucosa to administer the fluid.

The invention discloses uniform mixing equipment for preparing antiviral oral liquid, and belongs to the technical field of pharmaceutical preparation production, the uniform mixing equipment comprises a mixing part, the mixing part comprises a mixing equipment main body, a stirring assembly for mixing liquid medicine is arranged in the mixing equipment main body, and a first sliding groove and a plurality of teeth are arranged in the mixing equipment main body; a buffer thin-wall layer for slowly conducting heat is arranged on the stirring assembly; the cooling part comprises a liquid conveying assembly and a cooling assembly which are arranged in the stirring assembly and is used for uniformly conveying a solvent and cooling a medicament in the mixing process, and through the collaborative design of rotation of a main stirring paddle and synchronous liquid spraying of a liquid outlet, purified water is uniformly dispersed to all positions of an inner cavity of the mixing tank body in the stirring process; the problems that local liquid medicine is too thick and is slowly dispersed due to traditional top single-point water adding are solved, the raw materials and the solvent can be rapidly and evenly mixed without long-time stirring, the mixing period is greatly shortened, and meanwhile heat accumulation generated by long-time stirring is reduced.

The utility model relates to the technical field of medical equipment. The replaceable blood transfusion pressurizing device comprises a box body, a box cover is hinged to the outer surface of one end of the upper end of the box body, hooks are connected to the outer surfaces of the two ends of a hinged shaft at the hinged joint of the box body and the box cover through bearings, and pressurizing structures are arranged in the box body and the box cover. A needle head is inserted into a rubber plug, so that an infusion tube is connected with a blood bag, the interior of a clamping block is attached to the outer surfaces of an output tube, the rubber plug and a fixed infusion block, and a clamping ring and a magnetic connecting column are clamped into a clamping groove; meanwhile, the rotating box cover is hinged to enable the clamping groove to clamp and fix the clamping block, so that the output tube, the rubber plug and the fixed infusion block are synchronously clamped and fixed in the clamping block, the situation that the infusion tube is separated from a blood bag due to external force such as mistaken touch in the blood transfusion process can be avoided, and the situation that the blood transfusion tube is polluted is avoided.

The invention relates to the technical field of medical infusion, in particular to an infusion device with an automatic liquid medicine switching function, which comprises a liquid medicine placing frame, a plurality of medicine bags are arranged at the top of the liquid medicine placing frame, infusion assemblies are arranged at the bottoms of the medicine bags, and an auxiliary assembly is arranged in the middle of the liquid medicine placing frame. The auxiliary assembly is matched with the infusion assembly, and a plurality of counterweight assemblies are arranged at the bottom of the liquid medicine containing frame. According to the infusion device with the automatic liquid medicine switching function, the multiple medicine bags are arranged at the top of the liquid medicine containing frame, stable hanging of the medicine bags is achieved through the combination of the hanging plate and the hook structure, falling is avoided, loads are evenly distributed, the bottoms of the medicine bags are connected with the infusion assembly through the liquid outlet pipes, and the infusion assembly is convenient to use. An electromagnetic valve and a liquid medicine sensor are embedded in the liquid outlet pipe, liquid medicine flowing is accurately controlled through the electromagnetic valve, liquid level detection and state monitoring are achieved in cooperation with the sensor, and then automatic switching of multiple bags of liquid medicine and infusion safety guarantee are achieved.

The utility model discloses a medical transfer flatcar which comprises a supporting plate, fixing boxes are fixedly installed on the left side and the right side of the surface of the supporting plate, four movable rods are evenly distributed above the fixing boxes, and the lower ends of the movable rods are rotationally connected with the fixing boxes through damping shaft seats. The upper ends of the four movable rods are rotationally provided with the same transverse frame through damping rotating shafts, a plurality of clamps are fixedly installed on the outer side of the transverse frame, a collecting groove is formed in the upper surface of the transverse frame, a supporting rod is rotationally installed on the inner surface of one end of the collecting groove through a damping shaft, and a hanging mechanism is arranged on the outer side of the top end of the supporting rod. When infusion is carried out in the process of transporting a patient, the hanging stability of a medicine bottle can be ensured, the situation that the medicine bottle shakes and falls off is avoided, meanwhile, the situation that an infusion tube shakes in the moving process, consequently, the whole tube body shakes synchronously can be avoided, and the phenomenon that a needle deviates in the vein of the patient along with shaking of the infusion tube is avoided.

The utility model relates to the field of medical instruments, in particular to a telescopic sky rail infusion support which comprises a sliding hanging frame, the lower end of the sliding hanging frame is fixedly connected with a telescopic sleeve rod, a telescopic rod is arranged in the telescopic sleeve rod in a sleeved mode, and the lower end of the telescopic rod is connected with a transverse adjusting device. The transverse adjusting device comprises a rotating disc; the rotating disc rotationally sleeves the lower end of the telescopic rod; the infusion support has the advantages that the transverse adjusting device is arranged, so that when different patients have different requirements for infusion positions, the transverse position of the hook can be adjusted through the transverse adjusting device, it is guaranteed that an infusion tube is perpendicular to infusion to the greatest extent, the infusion tube is bent to cause blockage, and the use adaptability of the infusion support is improved.

The utility model belongs to the technical field of medical instruments, and particularly relates to an infusion port compression fixing device which comprises a binding ring plate, the outer wall of the binding ring plate is fixedly connected with a lower binding belt used for being bound to the armpit portion of a patient, and an upper binding belt relatively perpendicular to the lower binding belt is installed on the lower binding belt. Two symmetrical transverse binding holes are formed in the binding ring plate, the lower binding belt is in sliding connection with the transverse binding holes, and vertical binding holes matched with the upper binding belt are formed in the transverse binding holes; the constraint ring plate can be located at the position corresponding to the implantation position of the infusion port under the support of the lower constraint belt and the upper constraint belt, after a salt bag is placed in the constraint ring plate in a matched mode, the infusion port can be pressed and limited, and after a patient gets up, the center plate can apply pressure to one side of the salt bag through the cooperation of the sliding frame, the center plate, the frame plate and the adjusting rod; the chest is implanted into the position of the infusion port.

The utility model relates to a special hospital bed convenient to nurse for internal medicine patients, which belongs to the technical field of medical instruments and comprises a bed body, four supporting seats, a backrest and a backrest cushion, an adjusting and placing mechanism is arranged at the bottom of the bed body and comprises a mounting plate fixedly mounted on the outer wall of the bottom of the bed body, and the mounting plate is fixedly mounted on the outer wall of the bottom of the bed body. A limiting seat is fixedly mounted on the outer wall of the bottom of the bed body, and a sliding rod is fixedly mounted on the outer wall of the right side of the mounting plate. According to the sickbed special for the internal medicine patient and facilitating nursing, a medicine containing box is connected and installed under the action of a connecting rod, the medicine containing box is conveniently driven to adjust the moving position under the action of an adjusting sliding seat, a friction ring, a limiting seat and a limiting rod, and the medicine containing box is supported under the action of a side plate, a supporting rod, a supporting block, an adjusting seat and a supporting base; the stability of the medicine containing box in the using process is improved, meanwhile, medicine taking and placing work is facilitated, and the convenience of infusion and medicine input of internal medicine patients is improved.

The utility model relates to a disposable surgical operation flushing tube which comprises an instrument tube with a sealing body. The infusion apparatus further comprises a flushing pipe and two fixed protective shells with cavity structures, one end of the flushing pipe is fixedly communicated with an infusion needle, the other end of the flushing pipe is communicated with the interior of one of the fixed protective shells, and a flow regulator is installed on the flushing pipe; the bottom faces of the fixed protection shells are open, the top faces of the fixed protection shells fixedly communicate with the instrument pipes, the outer side of each fixed protection shell fixedly communicates with an arc-shaped drainage pipe with a first switch valve, and the end, away from the corresponding fixed protection shell, of each drainage pipe is higher than the other end of the corresponding drainage pipe. According to the utility model, when in use, it can be ensured that an operation field is clear and visible, so that the operation time can be shortened; and secondly, the discharged flushing fluid can be prevented from flowing back to the position of the incision, so that the infection probability is reduced.