1561results about "Blood sampling devices" patented technology

A bodily-fluid transfer device includes a housing, a pre-sample reservoir, and an actuator. The housing defines an inner volume between a substantially open proximal end portion and a distal end portion that includes a port couplable to a lumen-defining device. The pre-sample reservoir is fluidically couplable to the port to receive a first volume of bodily fluid. The actuator is at least partially disposed in the inner volume and has a proximal end portion that includes an engagement portion and a distal end portion that includes a sealing member. The engagement portion is configured to allow a user to selectively move the actuator between a first configuration such that bodily fluid can flow from the port to the pre-sample reservoir, and a second configuration such that bodily fluid can flow from the port to a sample reservoir defined at least in part by the sealing member and the housing.

An apparatus includes a cannula assembly, a housing, a fluid reservoir, a flow control mechanism, and an actuator. The housing includes an inlet port removably coupled to the cannula assembly and defines an inner volume. The fluid reservoir is fluidically coupled to the housing and configured to receive and isolate a volume of bodily fluid from a patient. The flow control mechanism is at least partially disposed in the inner volume. The actuator is operably coupled to the flow control mechanism and is configured to move the flow control mechanism between a first configuration, in which bodily fluid can flow, via a fluid flow path defined by the flow control mechanism, from the cannula assembly, through the inlet port and into the fluid reservoir, to a second configuration, in which the fluid reservoir is fluidically isolated from the cannula assembly.

This disclosure generally relates to medical devices that include a sensor transmitter assembly that includes a sensor assembly including a sensor module where a first sensor including a first sensor head having at least one first sensor contact pad is combined with a second sensor including a second sensor head having at least one second sensor contact pad. The sensor transmitter assembly also includes a transmitter assembly positioned on a top of the sensor assembly to form a single unit, the transmitter assembly having at least one transmitter contact disposed on a base of the transmitter assembly, where the first sensor contact pad(s) and the second sensor form a connection path with the transmitter contact(s).

The invention provides an abnormal blood sampling inspection data evaluation processing method and system of a blood sampling system. Wherein the diffusion track dynamic state of an anticoagulant-blood contact surface in a blood sampling tube is tracked in real time, dielectric response waveform distortion characteristics on the two sides are synchronously collected through a capacitance sensor array, and diffusion form parameters are generated; curvature sudden change is analyzed to trigger an acoustic fluid device to modulate audio frequency and flow velocity, and a composite disturbance field is formed; performing capacitance axial scanning on the disturbed mixed fluid, extracting phase angle offset and gradient abrupt change point coordinates, and constructing a dielectric anomaly three-dimensional map; matching a standard dielectric model, positioning a coordinate set of a concentration gradient imbalance area and a coordinate set of an eddy current attenuation area, and generating an anticoagulant abnormal index and a mixed defect matrix in combination with phase angle offset difference; and establishing a data anomaly degree evaluation function based on the anomaly index and the defect matrix, dynamically associating a clinical error threshold, and outputting a test evaluation result. According to the invention, anticoagulant diffusion can be monitored in real time, and the mixing quality error can be accurately evaluated.

The invention discloses a blood, urine and body fluid collecting, detecting, analyzing and uploading system based on multi-sensor integration, which comprises the following modules: a blood collecting module for collecting a blood sample; the urine collection module is used for detecting urine; the body fluid collecting module is used for detecting body fluid; the data processing module is used for preprocessing data; the feature extraction and classification module is used for constructing a multi-modal feature matrix based on a neural structure search network, a support vector machine and a random forest algorithm; the anomaly detection module is used for generating a weighted anomaly score in combination with an isolated forest and a depth anomaly detection model; the time sequence analysis module is used for analyzing the health trend by using a variational auto-encoder-generative adversarial network; the health portrait and risk assessment module is used for constructing a health map by adopting a graph convolutional network; and the encryption and uploading management module is used for encrypting by using AES and RSA and managing the data access authority based on the intelligent contract. According to the invention, a multi-modal sensor and an intelligent algorithm are integrated, and collection, detection, analysis, encryption and uploading of blood, urine and body fluid are realized.

The present invention provides a blood collection device, wherein a blood collection needle is arranged at the first end of a needle holder, and the second end of the needle holder contacts a piston via an elastic device. The needle holder is provided with a stop arm. When the needle holder moves along the first direction of the launch tube, the stop arm and the blocking member in the launch tube change from the first state to the second state, thereby controlling the blood collection needle to be excited along the first direction. Under the control of the elastic device, the blood collection needle moves a preset distance in the second direction, so that the blood collection needle cannot contact the skin again after a single excitation. The present invention also provides a method for using the blood collection device. The present invention adopts a technology that makes the blood collection needle ineffective after a single excitation, thereby avoiding the problem of cross infection caused by multiple punctures.

The invention discloses a precise and portable robot blood sampling instrument, and relates to the technical field of medical equipment, the precise and portable robot blood sampling instrument comprises a box body, a plurality of detection structures, a blood drawing structure and a driving structure, the box body forms a working cavity, each detection structure comprises a mounting seat and a plurality of detection devices, and the detection devices are arranged on the mounting seat. The multiple detection devices are mounted on the mounting base, the blood drawing structure comprises a puncture needle and a mounting part, the mounting part is arranged in the working cavity, the puncture needle is detachably mounted in the mounting part, and the driving structure comprises a manipulator, a plurality of first adjusting assemblies and a second adjusting assembly. The mechanical arm is installed in the working cavity, and the first adjusting assembly and the second adjusting assembly are both arranged at the movable end of the mechanical arm. The position of the detection structure is adjusted through the driving structure to detect the limbs of the patient to determine a proper blood drawing position, and the position of the blood drawing structure is adjusted according to the blood drawing position.

A data processing system is configured to identify treatment responsive to a health risk determined from feature data provided by one or more networked data sources. A classification engine generates a feature vector based on a natural language processing (NLP) of input data representing words provided by a user. Features of the feature vector represent health risk factors. Machine learning logic classifies the features to generate a classification metric indicating whether the features are indicative of health risks or not indicative of health risks. A prediction value is generated indicating a likelihood of each health risk factor for the patient. The patient can be diagnosed with a health condition or disease based on the identified health risks.

The invention provides an intermittent detection method and device for body fluid parameters and a related system.The method is applied to a body fluid parameter detection system, the system comprises an infusion tube, a detection module, an extraction and injection device, a liquid path switch and a flushing device.The method comprises the steps that the liquid path switch is controlled to execute a closing action, and the liquid path switch is controlled to close the infusion tube; controlling the extraction and injection device to extract a preset first volume of target body fluid from a preformed hole of a target user into the infusion tube, controlling the detection module to detect parameters of the target body fluid when the target body fluid in the infusion tube is detected to pass through the detection module, obtaining the parameters of the target body fluid, controlling the liquid path switch to execute an opening action, and controlling the liquid path switch to execute a closing action; and controlling the flushing device to inject a preset second volume of functional liquid into the infusion tube, and controlling the extraction and injection device to enable the target body fluid to flow back to the target user when the functional liquid in the infusion tube is detected to pass through the detection module. When blood gas parameter detection is carried out, blood waste and detection cost are reduced.

Provided herein is a blood draw syringe connectable to a vascular access device for performing a blood draw. The blood draw syringe includes a syringe barrel and a plunger assembly. The plunger assembly includes a plunger rod and a stopper positioned at the distal end of the plunger rod, with the plunger assembly moveable within the syringe barrel to move the stopper between a starting position and a stop position, with a first volume provided in the chamber with the stopper at the starting position and a second volume provided in the chamber with the stopper at the stop position. The syringe is configured to enable pre-setting of the plunger assembly within the syringe barrel prior to a blood draw, with the stopper being positioned at the starting to provide a first volume that limits a maximum vacuum pressure in the syringe barrel during the blood draw.

An apparatus includes a housing, a flow control mechanism, and an actuator. At least a portion of the flow control mechanism is movably disposed within the housing. The apparatus further includes an inlet port and an outlet port, and defines a fluid reservoir. The outlet port is fluidically coupled to a second fluid reservoir and is fluidically isolated from the first fluid reservoir. The actuator is configured to move the flow control mechanism between a first configuration, in which the inlet port is placed in fluid communication with the fluid reservoir such that the fluid reservoir receives a first flow of bodily-fluid, and a second configuration, in which the inlet port is placed in fluid communication with the outlet port.

The invention discloses an intelligent portable blood vessel detector and a use method, and relates to the technical field of blood vessel detection equipment, the intelligent portable blood vessel detector comprises a shell, a detection head, a display screen and a wrist strap, a main control chip and a power supply are arranged in the shell, the detection head is movably arranged on the shell, the main control chip is electrically connected with the detection head, and the display screen is electrically connected with the wrist strap. A polarization filter, a beam splitter prism, a multispectral CMOS sensor, a laser projector and a linear motor are arranged in the detection head, the display screen is arranged on the shell, and the wrist strap is arranged on the shell. When blood sampling is carried out on a patient, the puncture needle can help a worker to improve the success rate during puncture, and therefore the working time is saved.

The invention belongs to the field of biological microfluidics, and particularly relates to a detection device for biomarkers in blood. The invention provides a device for detecting biomarkers in blood. The device comprises a blood sampling layer, a detection layer and a micro-fluidic chip layer which are adjacent in sequence. According to the device for detecting the biomarkers in the blood, a blood sampling module, an anticoagulation module, a sample transmission module, a chemical reaction module and a signal detection module are integrated on a miniature wearable platform, and portable, painless, rapid and accurate detection is achieved.

Systems, devices, and methods for processing whole blood are disclosed. The system includes a reusable separation device, a disposable fluid circuit, and a controller configured to detect a flow restriction within a leukoreduction filter and to determine the cause of the flow restriction.

The invention relates to the technical field of medical detection, in particular to a microneedle array-containing S100A9 sample sampling and detecting device which comprises a base, a limiting column and a color developing assembly, the limiting column is fixedly connected to the top end of the base, and a working sliding groove for inserting the color developing assembly is formed between the limiting column and the base; a sampling groove is formed in the top end of the base, the inner bottom wall of the sampling groove is fixedly connected with a microneedle assembly used for puncturing the skin of a patient for sampling, and the top of the microneedle assembly communicates with a pretreatment assembly used for filtering an extracted sample; driving force is provided for the pretreatment assembly in the process that the color developing assembly is inserted into the working sliding groove, and the filtered sample is input into the color developing assembly to be detected. According to the invention, convenient sampling is realized through the microneedle assembly, and a sample is pertinently filtered by using the pretreatment assembly, so that macromolecular interference impurities such as cell debris and hemoglobin are effectively removed, the interference on S100A9 detection is reduced, and the accuracy and reliability of S100A9 detection are improved.

A glucose test arrangement is provided for use in a handheld meter. The arrangement comprises a disposable test pad responsive to glucose in a body fluid, and a supporting member adapted to support the test pad at an application site for applying body fluid from a user's skin onto a receiving area of the test pad. The receiving area faces away from the supporting member. One or more spacer elements are arranged on the supporting member adjacent to the test pad, wherein the one or more spacer elements have a skin-contacting end section which protrudes above the receiving area.

The invention belongs to the field of medical examination equipment, and provides a medical examination sampling device and a use method.The medical examination sampling device comprises a sampling table, a fixed baffle is fixedly installed on the edge of the upper surface of the sampling table, an operation window is formed in the bottom of one end of the fixed baffle, and a fixed groove is formed in the middle of the top end of the sampling table; the conveying mechanism comprises supporting rollers, the supporting rollers are symmetrically and rotationally installed on the two side edges of the inner wall of the fixing groove, the outer surfaces of the supporting rollers are sleeved with a conveying belt, a stepping motor is installed in the middle of one end of each supporting roller, positioning assemblies are arranged on the outer surface of the conveying belt at certain intervals, and limiting clamping pipes are installed on the portions, in the positioning assemblies, of the outer surface of the conveying belt. By means of the automatic separating and collecting structure (the connecting rotary disc, the fixing clamping sleeve and the collecting box), non-contact recycling of blood sampling parts is achieved, direct contact between medical workers and blood samples and sharp tools is reduced, and occupational exposure risks are remarkably reduced.

A graphical representation may be displayed including at least a plurality of transducer graphical elements, each transducer graphical element of the plurality of transducer graphical elements representative of a respective transducer of a plurality of transducers of a transducer-based device. A set of user input may be received including an instruction set to reposition a first transducer graphical element in a state in which the first transducer graphical element is located at a first location in the graphical representation and a second transducer graphical element is located at a second location in the graphical representation, the second location closer to a predetermined location in the graphical representation than the first location. In response to conclusion of receipt of the set of user input, the first transducer graphical element may be repositioned from the first location in the graphical representation to the predetermined location in the graphical representation.

The invention relates to the technical field of medical instrument detection, in particular to gestational hypertension related hormone rapid detection equipment which comprises a gestational hypertension monitor body, and a cleaning module is connected to the outer portion of the gestational hypertension monitor body in a hooked mode; the cleaning module comprises a mounting structure, a driving mechanism connected with the mounting structure and a water spraying mechanism fixed to the mounting structure and used in cooperation with the driving mechanism. The driving mechanism comprises a connecting shaft connected with the mounting structure, a sliding seat arranged outside the mounting structure in a sliding manner, and a swinging structure mounted between the connecting shaft and the sliding seat; the water spraying mechanism comprises a liquid storage tank fixed to the outer surface of the mounting structure, a water delivery pump and a pressure adjusting pipe, the water delivery pump communicates with the liquid storage tank and the pressure adjusting pipe through water delivery pipes, and an arc-shaped abutting seat abutting against the water delivery pump is mounted on the outer surface of the sliding seat. The device has the advantages of high efficiency, automation, excellent cleaning effect, high adjusting flexibility, compact and stable structure, energy conservation, environment friendliness, easiness in maintenance and operation and the like.

The invention relates to the technical field of blood collection, in particular to a blood collection device for medical examination, which comprises a blood collection tube preprocessing module, a tourniquet binding module arranged above a placement platform and used for carrying out tourniquet on a patient and a vein recognition and positioning module used for recognizing and positioning veins of the patient, a circulating rotation disinfection module used for being in contact with the arm of the patient is further arranged in the placement platform; the tourniquet is tightened through the tourniquet retracting and releasing device, the pressure sensor can detect the compression force on the arm of a patient, automatic adjustment is achieved, manual binding is not needed, too loose and too tight conditions are not prone to occurring, the binding quality is ensured, the vein recognition and positioning module can recognize the vein position below the arm epidermis, infrared positioning is adopted, and the positioning accuracy is improved. The blood collection tube pretreatment module can automatically shake a vacuum collection tube after blood drawing is completed, it is ensured that an anticoagulant is mixed with a blood sample, and the blood sample quality is ensured.

A delivery device for delivering an instrument into a catheter assembly may include a housing having a proximal end, a distal end, and a slot. The delivery device may include a guide feature, which may be disposed within the housing. The guide feature may extend through the slot. The delivery device may include an instrument disposed within the housing and extending through the guide feature. In response to movement of the guide feature along the slot in the distal direction a first distance, a first end of the instrument may be advanced in the distal direction a second distance, which may be greater than the first distance. A second end of the instrument may be stationary with respect to the housing.

A device includes a pre-sample reservoir, an actuator mechanism, and a diverter. The pre-sample reservoir can be fluidically coupled to a delivery member to receive and isolate a predetermined volume of bodily-fluid withdrawn from a patient. The actuator mechanism is operably coupled to the pre-sample reservoir such that, when actuated, a negative pressure is formed in the pre-sample reservoir that urges the bodily-fluid to flow into the pre-sample reservoir. The diverter can selectively control fluid flow between the delivery member and the pre-sample reservoir. The diverter includes a flow control mechanism that defines a first fluid flow path and a second fluid flow path. The diverter is movable between a first configuration in which the bodily-fluid flows through the first fluid flow path to the pre-sample reservoir, and a second configuration in which the bodily-fluid flows through the second fluid flow path to a sample reservoir coupled to the diverter.

Applicators for applying an on-skin assembly to skin of a host and methods of their use and / or manufacture are provided. An applicator includes an insertion assembly configured to insert at least a portion of the on-skin assembly into the skin of the host, a housing configured to house the insertion assembly, the housing comprising an aperture through which the on-skin assembly can pass, an actuation member configured to, upon activation, cause the insertion assembly to insert at least the portion of the on-skin assembly into the skin of the host, and a sealing element configured to provide a sterile barrier and a vapor barrier between an internal environment of the housing and an external environment of the housing.

The utility model relates to the technical field of blood sampling devices, and discloses sampling equipment for blood detection, which comprises an operating table, a moving block is arranged in the operating table, a screw rod is rotatably connected to the bottom of the inner wall of the operating table, and a second bevel gear is fixedly connected to the top of the screw rod. A first bevel gear is rotatably connected to the right side of the operation table, a movable clamping plate is arranged on the upper portion of the operation plate, a spring is fixedly connected to the left side of the movable clamping plate, a pedal is rotatably connected to the interior of the operation table, and a pull rope is fixedly connected to the top of the pedal. By rotating the handle, rotating the first bevel gear, rotating the second bevel gear and the screw rod, and moving the moving block up and down, the device adapts to arms with different heights, and by stepping on the pedal to rotate, pulling the pull rope, moving the moving clamping plate leftwards, compressing the spring, loosening the foot, releasing the spring, moving the moving clamping plate rightwards, and resetting the pedal, the device is suitable for the arms with different heights. The use is convenient.

The invention relates to the field of medical image processing and artificial intelligence, in particular to an inflammation active retinopathy prediction system and method based on artificial intelligence, and the system comprises an image processing module which comprises an image acquisition unit, a blood vessel density analysis unit, a blood-retina barrier integrity imaging analysis unit and a data integration module. The core innovation of the invention lies in that a blood vessel density analysis unit constructs a blood vessel structure analysis framework by introducing topology and differential geometry theories, comprises a topological manifold representation module, a curvature flow dynamic analysis module and a non-European interactive network module, maps fundus image data into a topological manifold structure, and extracts topological features of a blood vessel network; curvature flow evolution analysis is carried out based on the blood vessel network topology features, and blood vessel form dynamic features are generated; a non-European metric space of a vascular network and inflammatory factors is constructed, an interaction relationship between the vascular network and the inflammatory factors is analyzed, and vascular-inflammation interaction characteristics and blood-retina barrier integrity index data are integrated.

The present invention relates to a sensor applicator assembly for a continuous glucose monitoring system and provides a sensor applicator assembly for a continuous glucose monitoring system, which is manufactured with a sensor module assembled inside an applicator, thereby minimizing additional work by a user for attaching the sensor module to the body and allowing the sensor module to be attached to the body simply by operating the applicator, and thus can be used more conveniently. A battery is built in the sensor module and a separate transmitter is connected to the sensor module so as to receive power supply from the sensor module and be continuously used semi-permanently, thereby making the assembly economical. The sensor module and the applicator are used as disposables, thereby allowing accurate and safe use and convenient maintenance.

The present disclosure relates to wearable systems, devices and methods for measuring and analyzing bodily fluids. Systems, devices, and methods are described herein for various embodiments of a sample analysis system worn by a user configured to collect a sample of bodily fluid, and to measure and analyze the bodily fluid to determine characteristics and / or health parameters of the bodily fluid of the user (e.g., degree of hydration, electrolyte loss, rate of perspiration, etc.