31 results about "Blood separation device" patented technology

The utility model discloses a blood platelet rich plasma preparation device which comprises a middle sleeve, an upper storage body, an upper storage cover, a lower storage body and a lower storage cover, a hyperbolic PRP channel and a hyperbolic red blood cell channel are arranged in the upper storage body and the lower storage body respectively, an upper locking bolt and a lower locking bolt are fixed in the middle sleeve, and after the upper locking bolt and the PRP channel are locked in a matched mode, the upper locking bolt and the lower locking bolt are locked in a matched mode. The upper storage body and the upper storage cover form a PRP storage chamber, after the lower locking bolt and the red blood cell channel are matched and locked, the lower storage body and the lower storage cover form a red blood cell storage chamber, the middle sleeve is a plasma storage chamber, a PRP suction opening is formed in the upper storage cover, and the required PRP amount is accurately extracted through the suction opening through the needle head. According to the blood separation device, two times of centrifugal separation can be carried out under the condition that blood is not exposed to air, the blood separation concentration is high, and the PRP extraction amount is accurate.

A blood separation device includes a pump system, a separator, and a controller. The controller is programmed to execute a blood separation procedure including a red blood cell collection stage in which blood is conveyed into the separator, red blood cells are separated from the blood in the separator, and the separated red blood cells are conveyed from the separator into a collection container. The red blood cell collection stage is ended when a target volume of blood has been separated in the separator. The controller then determines a percentage of the red blood cells from the target volume of blood that have been collected in the collection container based on the volume of red blood cells and the hematocrit of the fluid in the collection container, a volumetric flow rate of pure red blood cells in the blood conveyed into the separator, and the procedure time.

A system for whole blood sampling and separation includes a blood draw device coupled to a catheter assembly, with the blood draw device including a catheter tube, a housing that movably receives the catheter tube, and an advancement member to move the catheter tube between first and second positions, to enable a distal end of the catheter tube to be disposed within or past a distal tip of an indwelling catheter. A blood separation device is attached to the blood draw device to directly receive a blood sample therefrom and comprises a centrifuge-free mechanism configured to separate a plasma or serum sample from the blood sample. A sample collection container is coupled with the separation device and provides a vacuum pressure that draws the blood sample into the separation device, with the separated plasma or serum sample being drawn into the sample collection container.

The utility model discloses a full-automatic blood separating device which comprises an adjustable blood separating mechanism, a sealing mechanism, a control mechanism and a stabilizing mechanism, the adjustable blood separating mechanism comprises a shell, an electric sliding rail is arranged in the shell, a sliding block is arranged in the electric sliding rail, one side of the sliding block is fixedly connected with a connecting rod, and the other side of the sliding block is fixedly connected with the sealing mechanism. One end of the connecting rod is fixedly connected with a mounting frame, and a mounting groove is formed in the mounting frame. Through the arrangement of the adjustable blood separation mechanism, after a blood sample is placed in the placing groove, the rotating shaft and the blood separation frame are driven by the motor to rotate at a high speed, so that blood cells and blood plasma of the blood sample are separated, and when the blood sample is taken out or placed, the blood sample can be taken out or placed conveniently. A sliding block can be driven to ascend and descend through an electric sliding rail, so that a mounting frame is driven to ascend and descend through a connecting rod, and a part of the blood separating frame can be moved out of the shell, so that a blood sample is more convenient to place and take out.

The application provides a non-invasive blood separation process monitoring method and system based on infrared imaging, and relates to the technical field of medical detection and biological separation, and comprises the following steps: acquiring an infrared image sequence of a blood separation device through an infrared camera, and capturing the thermal radiation distribution characteristics of blood components; adopting a sliding window Kalman filtering algorithm to perform time domain noise reduction on the infrared image sequence, and adaptively adjusting the sliding window length, dynamically updating the noise covariance, and outputting the noise-reduced infrared image; processing the noise-reduced infrared image based on a multi-model switching convolutional neural network architecture, dynamically selecting and loading a convolutional neural network model matched with the current blood separation stage, so as to extract blood separation interface morphological characteristics; and calculating key separation parameters based on the separation interface morphological characteristics, and triggering an early warning signal when the parameters are abnormal. The application realizes non-invasive dynamic monitoring of clinical blood separation.

1. The name of this design product: blood separation device. 2. Purpose of this product design: This product design is used for centrifugal separation of blood. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. The top view of Design 1 is an enlarged view of the top view of Design 1, and the top view of Design 1 is omitted; the bottom view of Design 1 is an enlarged view of the bottom view of Design 1, and the bottom view of Design 1 is omitted; the top view of Design 2 is an enlarged view of the top view of Design 2, and the top view of Design 2 is omitted; the bottom view of Design 2 is an enlarged view of the bottom view of Design 2, and the bottom view of Design 2 is omitted; the top view of Design 3 is an enlarged view of the top view of Design 3, and the top view of Design 3 is omitted; the bottom view of Design 3 is an enlarged view of the bottom view of Design 3, and the bottom view of Design 3 is omitted ;The enlarged top view of Design 4 is the enlarged top view of Design 4, and the top view of Design 4 is omitted; the enlarged bottom view of Design 4 is the enlarged bottom view of Design 4, and the top view of Design 4 is omitted; the enlarged top view of Design 5 is the enlarged top view of Design 5, and the top view of Design 5 is omitted; the enlarged bottom view of Design 5 is the enlarged bottom view of Design 5, and the top view of Design 5 is omitted; the enlarged top view of Design 6 is the enlarged top view of Design 6, and the top view of Design 6 is omitted; the enlarged bottom view of Design 6 is the enlarged bottom view of Design 6, and the top view of Design 6 is omitted. 6. Designate Design 1 as the base design.

A two-way blood plasma separating device is used for extruding and outputting liquid in a blood bag 10 and comprises a horizontal pushing extruder and a flow controller, the horizontal pushing extruder is provided with a fixing clamping plate 20 and an extruding clamping plate 30, the plate face of the extruding clamping plate 30 is parallel to the plate face of the fixing clamping plate 20, and a first output hose 11 and a second output hose 12 are arranged at the two ends of the blood bag 10. The squeezing clamping plate 30 squeezes the blood bag in the direction perpendicular to the plate face of the fixing clamping plate 20, and the flow controller 40 is provided with a first flow control valve and a second flow control valve. The blood bag provided with the double output hoses is adopted, the horizontal pushing squeezer is adopted for horizontally pushing and squeezing the blood bag, simultaneous output of upper and lower layers of blood components in the blood bag can be achieved, the blood bag can be stably and evenly squeezed, and the flow controller can control the flow of the two output hoses of the blood bag and balance the output speed of the upper and lower blood components. And the flow controller is divided into an upper valve body and a lower valve body, so that loading and unloading of the output hose are facilitated.

A controller for a blood processing device has a body that may dock and undock with a first blood processing device to connect the controller to the first blood processing device and disconnect the controller from the first blood processing device. A processor within the controller controls the first blood processing device when the controller is docked with the first blood processing device and remotely controls the first blood processing device when undocked. The controller also has a user interface that displays information regarding the first blood processing device and an ongoing apheresis procedure when the controller is docked to the first blood processing device and when the controller is undocked from the first blood processing device.

The utility model provides a blood separation device for preparing PRP (platelet rich plasma), which comprises a tube body, two ends of the tube body are respectively in threaded connection with an upper cover and a lower cover, the tube body is vertically arranged, and a filter is arranged at the upper end of the tube body and used for filtering red blood cells; a notch is formed in the pipe wall of the pipe body, and an adhesive tape is installed on the notch and used for blocking the notch so that PPP can be taken out; the lower cover is provided with a lower rubber plug used for taking out the PRP. Blood is injected from the upper cover; due to the fact that the tube body is vertically arranged, blood can fall down under the action of gravity, after the blood is filtered by the filter, red blood cells are left on the filter, and blood plasma without the red blood cells flows into an area below the filter. Then centrifugal separation is carried out, so that PPP and PRP are layered, a needle tube penetrates through an adhesive tape, and PPP is taken out; the needle tube penetrates through the lower rubber plug to take out the PRP; according to the utility model, PRP can be separated only through one-time centrifugal separation, so that the efficiency is high; the red blood cells are filtered by the filter, so that the filtering precision and efficiency are higher, and no red blood cells are left in the centrifugally separated plasma.

The application discloses a blood separation method and a separation device, relates to the field of blood separation, and needs to use a blood separation device, wherein the blood separation device comprises a centrifugal device and a separation tube; the separation tube is in circular motion with the rotation center of the centrifugal device as the center during use; the separation tube comprises a blood inlet, a plasma outlet, a red blood cell outlet and a nucleated cell outlet; the plasma outlet is located at one end close to the rotation center; the red blood cell outlet and the nucleated cell outlet are located at one end away from the rotation center; blood is continuously injected into the blood inlet after the movement of the separation tube, and the plasma, the red blood cells and the nucleated cells in the separation tube continuously or intermittently flow out when the volumes of the plasma, the red blood cells and the nucleated cells reach a separation threshold value during the period. Compared with the prior art, the application adopts a continuous centrifugal method to separate various components in blood by guaranteeing a centrifugal sedimentation distance, so that the separation effect is obviously improved, and the actual effect is very remarkable.

1. Name of the product in this design: Blood separation device. 2. Application of this design: This design is used for centrifugation of blood to prepare platelet-rich plasma. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of umbilical cord blood separation devices, and discloses a blood plasma separation clamp for umbilical cord blood separation, which comprises a base, a side plate is fixedly connected to the side face of the base, a push rod is movably sleeved on the side face of the base, a vertical plate is movably sleeved on the upper portion of the base, a connecting sleeve is movably sleeved inside the front end of the vertical plate, and the connecting sleeve is movably sleeved on the connecting sleeve. A first clamping plate is fixedly connected to the front end of the side face of the connecting sleeve, a pressing plate is clamped to the inner side of the first clamping plate, and a sliding rail is arranged in the side face of the pressing plate. According to the blood plasma separation clamp for umbilical cord blood separation, a threaded rod is rotated, the threaded rod and a sliding rod do threaded motion, namely, the sliding rod drives a vertical plate to adjust the position of the upper portion of a base, namely, the distance between the lower end of a pressing plate and a side plate can be adjusted, meanwhile, the pressing plate is controlled to conduct extrusion limiting on a blood bag, and the extrusion force can be adjusted; and the blood bag is prevented from being extruded and damaged due to overlarge extrusion force.

The invention relates to the technical field of biomedicine, in particular to a micro-fluidic chip, a blood separation device and a blood separation method. The micro-fluidic chip comprises a chip base body, a micro-channel, a micro-channel inlet and a micro-channel outlet, the micro-channel, the micro-channel inlet and the micro-channel outlet are arranged in the chip base body, a plurality of grooves are formed in the bottom wall of the micro-channel, and the micro-channel is distributed in an Archimedes spiral shape. The micro-fluidic chip provided by the invention comprises micro-channels distributed in an Archimedes spiral shape, a plurality of grooves are formed in the bottom walls of the micro-channels, sound wave processing is coupled to construct an oscillating micro-bubble array during blood separation, micro-bubble resonance is excited to realize efficient control on cells in blood, red blood cells, white blood cells and blood platelets are effectively separated, and the blood separation efficiency is improved. The efficient preparation of the high-purity plasma matrix is realized.

A blood separation device that allows high quality plasma to be generated using a single power source. The device includes a housing with an inlet port adapted to receive the blood sample, a first chamber having a first chamber flow channel in fluid communication with the inlet port, a second chamber having a second chamber flow channel, a separation member disposed between the first chamber and the second chamber. In some embodiments, the blood separation device detects or tests for the presence of a substance, such as an antigen or an antibody.

Systems and methods are provided for separating blood into two or more components. A blood separation system includes a blood separation device and a fluid flow circuit configured to be mounted to the blood separation device. The blood separation device includes a centrifugal separator and a spinning membrane separator drive unit incorporated into a common case, which allows for fluid separation by two different methods. Depending on the separation procedure to be carried out, the fluid flow circuit paired with the blood separation device may include only one separation chamber configured to be mounted to the centrifugal separator or spinning membrane separator drive unit or two separation chambers, with one being mounted to the centrifugal separator and the other to the spinning membrane separator drive unit. The system may be used to separate and collect any combination of red blood cells, plasma, and platelets.

The invention discloses blood separation equipment with a calling function, and relates to the technical field of medical instruments, and the blood separation equipment comprises an equipment main body, a power shaft, a turntable, a material placing frame and sample bottles. The invention further discloses a separation method of the blood separation equipment with the calling function. The separation method comprises the following steps of sample placement, sample separation and sample taking down. According to the centrifugal separation device, the power shaft, the rotating disc, the discharging frame and the sample bottles are arranged, the rotating disc and the power shaft are detachably connected in an inserted mode through the spline shaft and the spline groove, and when samples are centrifugally separated, the discharging frame and the sample bottles turn over under the action of centrifugal force, so that the sample bottles tend to be parallel, and the samples in the sample bottles are layered conveniently; after the sample bottles are recovered to be in the vertical state, the layered samples can be kept in the layered state, so that the standing layering effect is omitted, and the layering efficiency of the device is improved while the sample bottles are convenient to take and place.

The present invention relates to the technical field of blood separation, and to a blood separation device and method for livestock and poultry, comprising a plurality of linear actuators, a first electric telescopic rod connected below the linear actuator, a mounting frame connected below the first electric telescopic rod, a second electric telescopic rod provided at the top of the mounting frame, a movable plate connected below the second electric telescopic rod, a plurality of groups of liquid suction devices provided on the bottom of the movable plate, the liquid suction device comprising a sleeve block, a rotatable round block provided inside the sleeve block, a pull rod fixedly connected below the round block, a piston provided at the bottom of the pull rod, a hollow cylinder matched with the piston, a first bearing sleeved on the hollow cylinder, the first bearing installed at the bottom of the mounting frame, a cylinder head provided at the bottom of the hollow cylinder; a gear sleeved on the hollow cylinder, a transmission wheel meshed with the gear, a motor connected to the transmission wheel; a blood pool correspondingly provided below the liquid suction device, a red blood cell pool, a platelet and white blood cell pool, and a plasma pool provided on one side of the blood pool in sequence. The present invention can achieve blood separation better.

Systems and methods are provided for separating blood into two or more components for collection of red blood cells, plasma, or both red blood cells and plasma. A blood separation system includes a blood separation device and a fluid flow circuit configured to be mounted to the blood separation device. The blood separation device includes a centrifugal separator and a spinning membrane separator drive unit, with the blood being separated into its constituents by the centrifugal separator. Separated plasma may be collected following separation by the centrifugal separator or may first be conveyed from the centrifugal separator into the spinning membrane separator drive unit to separate cellular blood components from the plasma prior to collection of the filtered plasma. The cellular blood components filtered from the plasma may be retained in the circuit as a waste product or may be flushed out of the circuit to a recipient.

The utility model provides a centrifugal blood separation test tube rack and a centrifugal blood separation device, and relates to the technical field of blood centrifugation. The centrifugal blood separation test tube rack comprises a main rack body, a movable cover and a plurality of test tube sleeves, the main frame body is arranged in the centrifugal cavity and is in transmission connection with the centrifugal driving unit so as to rotate under the driving action of the centrifugal driving unit; a movable cavity is formed in the main frame body; the movable cover is detachably connected with the main frame body, and the movable cover is provided with a plurality of rotating grooves; each test tube sleeve is rotatably connected to one rotating groove, part of the test tube sleeve is accommodated in the movable cavity, and each test tube sleeve is used for sleeving one separation test tube; and the test tube sleeve is tangent to the movable cover relative to the rotating axis direction of the rotating groove. The centrifugal blood separation test tube rack is simple in structure, flexible and convenient to operate, good in universality, wide in application range and beneficial to reduction of centrifugal treatment cost and improvement of centrifugal treatment efficiency.

The utility model belongs to the technical field of medical treatment, and particularly relates to a blood separation device for blood detection, which comprises a placing seat, a working groove and a plurality of placing grooves are arranged on the placing seat, the working groove is positioned at the middle position of the placing seat, the plurality of placing grooves are respectively annularly arrayed on the outer side of the working groove, and a placing mechanism is arranged on the placing seat. The placing mechanism comprises an electric push rod fixed on the inner side of the working groove in the placing seat, an output of the electric push rod is fixedly provided with a mounting seat, the mounting seat is rotatably connected with a plurality of connecting rods, one end, far away from the mounting seat, of each connecting rod is rotatably connected with a connecting piece, and the connecting piece is fixedly provided with a rectangular rod slidably connected with the placing seat. When a plurality of test tubes are subjected to blood separation, each test tube is ensured to be timely fixed in a pre-clamping mode and a secondary clamping mode when being placed, so that the test tubes are prevented from inclining or falling off. Therefore, the safety, smoothness and efficiency of operation are improved.

The utility model relates to the technical field of blood protein feed processing, and discloses a blood protein feed based plasma and blood separation device which comprises a supporting base, one side of the supporting base is fixedly connected with an extending supporting base, and the upper surface of the supporting base is fixedly connected with a separation driving mechanism. The top of the separation driving mechanism is integrally connected with a separation centrifugal machine, the top of the separation centrifugal machine is fixedly connected with a liquid inlet pipeline, the end, close to the extending supporting base, of the side face of the separation centrifugal machine is fixedly connected with an animal plasma outlet, and a cooling device is arranged between the upper surface of the extending supporting base and the animal plasma outlet. According to the animal blood separation device, separated blood plasma can be kept in a low-temperature environment before being separated from the centrifugal device and entering a storage device, decomposition of various nutritional ingredients in the blood plasma is delayed, the pollution risk is reduced, the blood coagulation reaction is reduced, and the quality of the blood plasma is guaranteed.

The invention provides a non-invasive blood separation process monitoring method and system based on infrared imaging, and relates to the technical field of medical detection and biological separation.The non-invasive blood separation process monitoring method comprises the steps that an infrared image sequence of a blood separation device is collected through an infrared camera, and heat radiation distribution characteristics of blood components are captured; performing time domain noise reduction on the infrared image sequence by adopting a sliding window Kalman filtering algorithm, adaptively adjusting the length of a sliding window, dynamically updating a noise covariance, and outputting a noise-reduced infrared image; a convolutional neural network architecture based on multi-model switching processes the infrared image after noise reduction, and dynamically selects and loads a convolutional neural network model matched with the current blood separation stage to extract morphological characteristics of a blood separation interface; key separation parameters are calculated based on the separation interface morphological characteristics, and an early warning signal is triggered when the parameters are abnormal. According to the invention, noninvasive dynamic monitoring of clinical blood separation is realized.

The invention provides a blood separation device, and relates to the technical field of blood detection clinical instruments. Comprising a base, a separation disc and a power mechanism, the separation disc is detachably connected with the power mechanism, and the power mechanism is arranged on the base; a placement groove is formed in the separation disc, and a test tube fixing piece is arranged in the placement groove; the test tube fixing piece comprises a clamping piece and a temperature control bag, and the temperature control bag is annular; the temperature control bag is provided with a filling opening, and the filling opening is filled with cooling liquid. The device further comprises a cooling liquid pressurizing and filling device. Compared with the prior art, the structure is simple, the use is convenient, the sample temperature in the separation process can be effectively controlled and stabilized, and the blood separation effect is effectively ensured.

The utility model relates to the technical field of medical instruments, and discloses a centrifugal blood separation device which comprises a positioning plate, an upper cover, a plurality of test tube racks, a rotary table and a lower cover, the lower cover is installed at the bottom of the rotary table through bolts, the lower cover and the rotary table form a plurality of movable cavities, and the movable cavities are symmetrically arranged along the edge of the rotary table. The bottoms of the multiple movable cavities incline from the center of the lower cover to the edge, the multiple test tube racks are installed in the multiple movable cavities in a swinging mode, the upper cover is installed on the top of the rotating disc through bolts, the multiple test tube racks are limited on the upper cover, and the positioning plate is installed on the upper cover through bolts. The blood centrifugal tube does not need to be obliquely arranged in advance, the blood centrifugal tube is in an inclined state under centrifugal rotation, separation of samples in the blood centrifugal tube is facilitated, the movable cavity can prevent the blood centrifugal tube from generating heat due to friction with air, and therefore the centrifugal rotating speed is increased; in a static state, the blood centrifuge tube automatically recovers to a vertical state under the action of gravity, so that a user can conveniently take out the blood centrifuge tube.

A capillary driven microfluidic device with blood plasma separation means that can be used to separate, meter and transfer a blood sample. The blood separation means can be arranged as a capillary pump by the configuration of a porous membrane and the microfluidic device.

Systems and methods are provided for separating blood into two or more components for collection of red blood cells, plasma, or both red blood cells and plasma. A blood separation system includes a blood separation device and a fluid flow circuit configured to be mounted to the blood separation device. The blood separation device includes a centrifugal separator and a spinning membrane separator drive unit, with the blood being separated into its constituents by the centrifugal separator. Separated plasma may be collected following separation by the centrifugal separator or may first be conveyed from the centrifugal separator into the spinning membrane separator drive unit to separate cellular blood components from the plasma prior to collection of the filtered plasma. The cellular blood components filtered from the plasma may be retained in the circuit as a waste product or may be flushed out of the circuit to a recipient.

The invention discloses a blood separation device, which comprises a base, a blood collection device, a blood collection device, a blood collection device, a blood collection device, a blood collection device and a blood collection device, and is characterized in that the base is internally provided with a cavity and is provided with an inlet area and an outlet area; the micro-column module is arranged in the cavity; the cover plate is connected with the micro-column module to form a blood separation flow channel communicated with fluid in the inlet area and the outlet area, the micro-column module is composed of a plurality of micro-column arrays, and adjacent rows of micro-columns are transversely arranged in a staggered mode. The plasma-rich components are collected from the first outlet area, the blood cell-rich components are collected from the second outlet area, the structure is simple, the design is reasonable, and the separation time is remarkably shortened by combining a deterministic lateral displacement separation method; the device adopts a miniaturized design, is convenient to carry and assemble, and is particularly suitable for instant use in emergency treatment, community clinics and mobile medical scenes.

The present invention provides a blood analysis platform comprising: a blood separation chip in which whole blood mixed with a magnetic fluid is injected into a separation space formed in the center thereof, and the injected whole blood is separated into blood cells and plasma in the separation space; and a blood separation means which has the blood separation chip received inside the center thereof and provides an external force so as to enable the whole blood received in the blood separation chip to be separated into blood cells and plasma. Thus, without using a syringe injection pump, whole blood not diluted in a buffer may be separated into blood cells and plasma, and the blood may be analyzed using the separated blood cells and plasma.

The invention provides a blood separation device for forensic DNA extraction and a method thereof. The device comprises a separation box body, a liquid medicine tank, a rotating cavity and a separation driving mechanism, a rotating cavity is rotationally connected to the middle, close to the top end, in the separation box body, a plurality of test tube containing cavities are formed in the rotating cavity, test tubes containing blood are placed in the test tube containing cavities, liquid medicine tanks are further installed on the separation box body, and a separation driving mechanism is further installed at the position, below the rotating cavity, in the separation box body. The separation driving mechanism comprises a driving motor, a planetary gear, a first electromagnetic clutch, a driving shaft, an eccentric cycloid mechanism, an eccentric shaft and a second electromagnetic clutch. Through cooperation of the first electromagnetic clutch, the second electromagnetic clutch and the hydraulic rod, a blood sample in a test tube and liquid medicine are subjected to premixing treatment, uniform mixing treatment and high-speed centrifugal rotation treatment, blood separation operation can be completed conveniently and efficiently, and popularization and application are facilitated.

Apparatus and methods for separating blood components are disclosed in which an apparatus for separating blood generally includes a tube defining a channel and configured for receiving a quantity of blood and a float contained within the tube and having a density which is predefined so that the float is maintained at equilibrium between a first layer formed from a first fractional component of the blood and a second layer formed from a second fractional component of the blood. Upon completion of the centrifugation, the first layer may be removed from the tube while the float isolates the second layer from the first layer.