2949results about "Blood sampling devices" patented technology

An apparatus includes a housing, a fluid reservoir, a flow control mechanism, and an actuator. The housing defines an inner volume and has an inlet port that can be fluidically coupled to a patient and an outlet port. The fluid reservoir is disposed in the inner volume to receive and isolate a first volume of a bodily-fluid. The flow control mechanism is rotatable in the housing from a first configuration, in which a first lumen places the inlet port is in fluid communication with the fluid reservoir, and a second configuration, in which a second lumen places the inlet port in fluid communication with the outlet port. The actuator is configured to create a negative pressure in the fluid reservoir and is configured to rotate the flow control mechanism from the first configuration to the second configuration after the first volume of bodily-fluid is received in the fluid reservoir.

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.

An apparatus includes a housing, a fluid reservoir, a flow control mechanism, and an actuator. The housing defines an inner volume and has an inlet port that can be fluidically coupled to a patient and an outlet port. The fluid reservoir is disposed in the inner volume to receive and isolate a first volume of a bodily-fluid. The flow control mechanism is rotatable in the housing from a first configuration, in which a first lumen places the inlet port is in fluid communication with the fluid reservoir, and a second configuration, in which a second lumen places the inlet port in fluid communication with the outlet port. The actuator is configured to create a negative pressure in the fluid reservoir and is configured to rotate the flow control mechanism from the first configuration to the second configuration after the first volume of bodily-fluid is received in the fluid reservoir.

An apparatus includes a housing, a fluid reservoir, a flow control mechanism, and an actuator. The housing defines an inner volume and has an inlet port that can be fluidically coupled to a patient and an outlet port. The fluid reservoir is disposed in the inner volume to receive and isolate a first volume of a bodily-fluid. The flow control mechanism is rotatable in the housing from a first configuration, in which a first lumen places the inlet port is in fluid communication with the fluid reservoir, and a second configuration, in which a second lumen places the inlet port in fluid communication with the outlet port. The actuator is configured to create a negative pressure in the fluid reservoir and is configured to rotate the flow control mechanism from the first configuration to the second configuration after the first volume of bodily-fluid is received in the fluid reservoir.

Examples of syringe assemblies and sets of components are disclosed for transferring a fluid sample for testing. In some examples, the syringe assembly comprises a housing, a barrel, a plunger reciprocally moveable in the barrel, a narrow tube connected to the barrel, and a metering actuator configured to control movement of the plunger at least in a proximal direction relative to the barrel. The metering actuator is configured to draw a precise microvolume of the fluid sample into a fluid chamber within the syringe assembly. In some examples, while the fluid chamber holds the fluid sample, the distal tip of the narrow tube remains covered, for example inside the housing or a reaction container. The syringe assembly is configured to expel the fluid sample from the fluid chamber into the reaction container.

The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.

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).

A fluid control device includes an inlet configured to be placed directly or indirectly in fluid communication with a bodily fluid source and an outlet configured to be placed in fluid communication with a fluid collection device. The fluid control device has a first state in which a negative pressure differential produced from an external source such as the fluid collection device is applied to the fluid control device to draw an initial volume of bodily fluid from the bodily fluid source, through the inlet, and into a sequestration portion of the fluid control device. The fluid control device has a second state in which (1) the sequestration portion sequesters the initial volume, and (2) the negative pressure differential draws a subsequent volume of bodily fluid, being substantially free of contaminants, from the bodily fluid source, through the fluid control device, and into the fluid collection device.

A method of attaching a magnetic element to a needle assembly. The needle assembly can include a cannula extending along a longitudinal axis. The method can include placing the magnetic element in a magnetic field such that a magnetic axis of the magnetic element substantially aligns with the magnetic field. The method can further include securing the magnetic element to a portion of the needle assembly while the magnetic element is substantially aligned with the magnetic field such that the magnetic axis of the magnetic element is secured in a desired predetermined orientation.

An extension set may include a tube having an outer surface. An instrument, such as a tubing or a probe, may be disposed within the tube and may include a proximal end and a distal end. A translation handle may be coupled to the outer surface of the tube and may move along the outer surface between a proximal position and a distal position to translate the distal end of the instrument between a retracted position and an advanced position. In the advanced position, the distal end of the instrument may extend beyond the distal end of the tube and into a catheter assembly and / or vasculature of a patient.

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 utility model discloses a sample collection and detection device. The sample collection and detection device comprises a shell, a sampling head and a detection assembly, the sampling head is installed on the shell, the sampling head is provided with a capillary channel, and the capillary channel has a preset volume and is used for quantitatively collecting a sample. The detection assembly is arranged in the shell, and the detection assembly is matched with the sampling head and is used for receiving the sample and detecting the sample. According to the sample collection and detection device, the operation steps can be simplified, the risk that the blood sample is polluted can be reduced, the sample can be quantitatively collected, and therefore the accuracy of the detection result can be improved.

This application discloses a rapid detection method for screening of dwarfism in children, which belongs to the field of intelligent medical technology. It includes the following steps: Step 1, accurately sampling through capillary effect, and automatically diluting the sample to ensure accurate concentration; Step 2, introducing the collected sample into a multi-channel microfluidic detection chip to achieve parallel quantitative detection of endocrine hormones; Step 3, real-time acquisition and amplification of weak biomolecule recognition signals to effectively improve the signal-to-noise ratio; Step 4, multi-dimensional analysis of the test results to achieve quantitative evaluation of growth and development, body mass index and sexual development indicators and risk prediction of endocrine diseases; Step 5, automatically integrating the analysis results and generating a standardized test report; Step 6, establishing a quality control mechanism throughout the entire detection process, including real-time monitoring of sample quality, tracking of detection process parameters, result consistency evaluation, and full traceability of detection data.

A monitor device for an ostomy system comprising an ostomy appliance with a base plate and a method of monitoring an ostomy appliance is disclosed. The monitor device comprises a processor configured to apply a processing scheme; memory; a first interface connected to the processor and the memory, the first interface configured for collecting ostomy data from the base plate coupled to the first interface; and a second interface connected to the processor, wherein to apply a processing scheme comprises: obtain first parameter data, second parameter data, and third parameter data based on the ostomy data; and determine an operating state of the base plate of the ostomy appliance based on the first parameter data, the second parameter data and the third parameter data, wherein the operating state is indicative of a degree of radial erosion of the base plate and / or acute leakage risk for the ostomy appliance, wherein the monitor device is configured to, in accordance with a determination that the operating state is a first operating state, transmit a first monitor signal comprising monitor data indicative of the first operating state of the base plate via the second interface; and in accordance with a determination that the operating state is a second operating state, transmit a second monitor signal comprising monitor data indicative of the second operating state of the base plate via the second interface.

The invention belongs to the technical field of blood glucose detection, and particularly relates to an intelligent 5G blood glucose detector and a using method.The intelligent 5G blood glucose detector is characterized in that an inflatable finger sleeve is arranged on the front side of a shell, and an air pump, an infrared detection probe, detection test paper, a detection device and a control circuit board are arranged in the shell; the detection device comprises a guide power mechanism, a blood glucose detector and a telescopic rod, a pressure sensor is arranged in an inflatable finger sleeve, blood glucose can be conveniently and rapidly detected, data can be transmitted to a cloud background through a 5G module on a control circuit board, uploading and recording of detection data are achieved, and a patient and a doctor can check the detection data; the illness state control of diabetic patients is promoted. The detection test paper in the 5G intelligent blood glucose detector is specially-made triplet type test paper, continuity of three times of work of disinfection, blood sampling and binding of blood glucose detection is achieved, troubles caused by frequent different operations of a user are reduced, and blood glucose of a patient with hyperglycemia can be efficiently, conveniently and safely collected at any time.

The invention relates to equipment (12) for positioning and supporting an upper limb of a patient (14) intended to undergo a medical procedure, the equipment being characterised in that it further comprises: a cavity (22) for accommodating the elbow of the upper limb of the patient, configured to define a space for positioning and supporting the elbow of the patient; gripping means (24) for gripping, by a hand, the upper limb of the patient; means (30a, 30b, 34) for moving the gripping means (24) in translation in a longitudinal direction relative to the cavity (22) for accommodating the elbow of the patient so that the upper limb of the patient can extend, once the gripping means (24) have been grasped by the patient and the elbow is accommodated in the accommodating cavity (22), between the elbow accommodating cavity and the gripping means, regardless of the length of the upper limb of the patient.

A computer-implemented system for a remote examination is disclosed. The computer-implemented system includes a treatment device, a master console, a user interface, and a control system. The treatment device comprises one or more slave sensors and a slave pressure system, the treatment device configured to be manipulated while a patient performs a treatment plan. The master console comprises a master device. The user interface comprises an output device configured to present telemedicine information associated with a telemedicine session. The control system comprises one or more processing devices operatively coupled to the master console and the treatment device. The one or more processing devices are configured to receive slave sensor data from the one or more slave sensors, use a manipulation of the master device to generate a manipulation instruction, transmit the manipulation instruction, and during the telemedicine session, use the manipulation instruction to cause the slave pressure system to activate.

Disclosed is a modular diagnostic information acquiring device with a base device (1), a microfluidic chip (2), and an optical measurement device. The base device (1) includes a patient body attachment interface, a microfluidic chip receptacle for removably accommodating the microfluidic chip (2) and a pneumatic control device. The microfluidic chip includes a pneumatic microfluidic chip compartment (23), wherein the pneumatic microfluidic chip compartment (is pneumatically coupled with the pneumatic control device and an optical measurement compartment. The optical measurement compartment inlet is fluidically coupled with the pneumatic microfluidic chip compartment. The optical measurement compartment and the optical measurement device are optically coupled, thereby allowing optical measurements inside the optical measurement compartment. The modular diagnostic information acquiring device is configured to autonomously execute a measurement protocol. The measurement protocol including repeatedly executing a measurement cycle. Each measurement cycle includes a respective sampling phase and a subsequent respective measuring phase. In the sampling phase, a whole blood sample is aspirated into the pneumatic microfluidic chip compartment. In the measuring phase, the whole blood sample is forced out of the pneumatic microfluidic chip compartment and an assay, the assay including either the whole blood sample or a component of the whole blood sample, is forced through the optical measurement compartment. A series of optical measurement data is acquired from the assay while passing the optical measurement compartment.

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.

A probe advancement device may be configured to couple to a catheter assembly. The probe advancement device may include a flexible housing, which may include a proximal end and a distal end. The probe advancement device may include a probe advancement element coupled to the proximal end of the flexible housing. The probe advancement element may include a probe extending in a distal direction within the flexible housing. The flexible housing may be configured to collapse along an axis in response to the probe being advanced in the distal direction. The probe may include a tube for blood collection, a guidewire, or another suitable element.

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.

The embodiment of the present application discloses a sample collection device and a sample collection method. The sample collection device includes: a collection part, a detection part, and a connection part connecting the collection part and the detection part; the collection part includes a core body, the connection part includes a hollow structure, and at least part of the core body is arranged in the hollow structure; the core body is hydrophilic. The sample collection device of the present application is provided with a highly hydrophilic core body in the collection part. The core body has a large hydrophilic surface, and the sample is absorbed by the core body, which can increase the amount and efficiency of the collected sample, and the core body has a maintaining effect on the sample, so that the collection angle is not restricted.

The invention relates to a device for collecting fluid (10) including a tubular body (11) having a first open free end (13) and a second open free end (14), and including at least one conduit (30) and a flared section (20) extending from the conduit (30), and having an increasing diameter from the conduit (30) to the first open free end (13), and a part (21), referred to as top part, of the first open free end (13) being more radially spaced relative to the conduit (30) than another part (22), referred to as bottom part, of the first open free end (13), which is diametrically opposite the top part (21). It also relates to a system for quantifying fluid loss including such a device and a quantification receptacle connected to the conduit (30) of the device (10).

A flexible sensor configured for use in a bladder is flexible and moveable from a first position in which it is configured to not be discharged from the bladder to a second position in which it is configured to be inserted into the bladder. A sensor insertion tool includes an over sheath, a push rod configured to be inserted into a first lumen of the over sheath. The flexible sensor is positioned in the first lumen of the over sheath, the push rod is then inserted partially into the over sheath behind the flexible sensor. The sensor insertion tool is then positioned at a location, such as the opening to the bladder, in which the sensor is to be deployed.

The self-service AIDS detection device comprises a detection box, an auxiliary detection unit, detection test paper, an observation window, a switch button and a blood sampling assembly, the auxiliary detection unit is fixedly installed in the detection box, and the bottom of the detection test paper is fixedly installed at the inner bottom of the detection box. According to the invention, self-help AIDS detection is carried out, the first carriage and the second carriage move back and forth in the opposite direction or the opposite direction, the first carriage and the second carriage move to drive the connecting plate, and then the connecting plate drives the finger squeezing curved plate to squeeze the fingers, so that the punctured fingers continuously flow blood; a displacement toothed plate, a cylindrical gear pair, a bevel gear pair, a transmission shaft rod and an elliptical block are driven to rotate, and the elliptical block rotates to enable a first nitrocellulose membrane and a second nitrocellulose membrane to move in an opening and closing manner, so that blood and a blood diluent are effectively mixed; the mixed liquid flows to the detection test paper along the guide conical cylinder and the guide cylinder, and the detection test paper is used for detecting AIDS.

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 discloses a painless minimally invasive blood glucose testing device, and particularly relates to the technical field of blood glucose testing devices, the painless minimally invasive blood glucose testing device comprises a fingerstall mechanism, a needle replacing mechanism is fixedly installed at the bottom of the fingerstall mechanism, the needle replacing mechanism comprises an installation sleeve, and a needle storage box is movably installed on one side of the installation sleeve; a plurality of blood taking needle mechanisms are movably installed in the needle storage box, and a material pushing protrusion is fixedly installed on one side of the installation shaft. According to the painless minimally invasive blood glucose testing device, an air cylinder drives a mounting shaft to move towards a blood sampling hole, a blood sampling needle mechanism in a needle storage box is pushed into a mounting sleeve through a material pushing protrusion in the displacement process, and after a finger pulp is punctured, the air cylinder is started to drive the mounting shaft to move towards the side away from the blood sampling hole; in the displacement process, the blood taking needle mechanism is driven by the first clamping hook to move, and when the blood taking needle mechanism moves to one side of the discharging hole, the blood taking needle mechanism is thrown out of the interior of the discharging hole under the cooperation of the second spring and the second spring.