34 results about "Blood processing" patented technology

An extracorporeal blood treatment apparatus (100) comprises: a treatment unit (200); an extracorporeal blood circuit (300) comprising a blood withdrawal line (301) connected to the treatment unit (200) and connectable to a first access port (A) or a second access port (B) of a patient and a blood return line (302) connected to an outlet (202) of the treatment unit (200) and connectable to the second access port (B) or the first access port (A) of the patient; a switching valve (1) in fluid communication with the blood withdrawal line (301) and the blood return line (302) and with the first access port (A) and the second access port (B), which is switchable between: (i) a first switching condition, wherein the first access port (A) and the second access port (B) are respectively fluidly connected to the blood withdrawal line (301) and the blood return line (302) to trigger a normal mode of operation; (ii) a second switching condition, wherein the first access port (A) and the second access port (B) are respectively fluidly connected to the blood return line (302) and the blood withdrawal line (301) to trigger a reversing mode of operation wherein blood coming from the patient is circulated through the treatment unit (200) according to an opposite / reverse direction and returned to the patient; (iii) a third switching condition, wherein the first access port (A) and the second access port (B) are fluidly connected to each other and the blood withdrawal line (301) and the blood return line (302) are fluidly connected to each other to trigger a recirculation mode, wherein the extracorporeal blood circuit (300) is not in fluid communication with the first (A) and the second access port (B).

The application belongs to the technical field of medical equipment, and provides a blood treatment system including a blood treatment assembly, an optical detection assembly and a control module. The blood treatment assembly uses a treatment liquid to treat blood of a target object to obtain waste liquid and treated blood, and the treated blood is transfused back to the target object. The optical detection assembly generates irradiation light of at least three wavelengths, wherein the irradiation light of the first wavelength is used for detecting bilirubin or free hemoglobin, the irradiation light of the second wavelength is used for detecting intracellular hemoglobin, and the irradiation light of the third wavelength is used for detecting the waste liquid. The optical detection assembly collects light information of emergent light of the at least three wavelengths. The control module obtains light change information corresponding to the at least three wavelengths according to the light information of the emergent light of the at least three wavelengths and the light information of the irradiation light of the at least three wavelengths. Whether the light change information corresponding to the at least three wavelengths satisfies a preset alarm condition is judged to determine whether to perform a hemolysis alarm or a blood leakage alarm, so that detection is distinguished.

The invention relates to a device for separating gas bubbles from a medical fluid, in particular blood, comprising a venous chamber with a reduced volume and comprising an optionally removable filling body. The invention also relates to a tubing set for use in a device for extracorporeal blood treatment.

Systems and methods are provided for separating blood components from whole blood. A blood processing device, as part of a blood processing system, has a controller configured to operate the blood processing device based on a plurality of collection protocols. The blood processing device is wirelessly connected to a remote computing device configured to maintain a plurality of collection protocols. At least one additional computing device is configured to update one or more of the plurality of collection protocols on said remote computing device by communicating changes to a protocol maintained on the remote computing device which updates the plurality of collection protocols at the controller of the blood processing device.

The application discloses an embedded blood treatment platform architecture system, which comprises a hardware layer, a hardware and software abstraction layer, a service layer and an application layer; the application is completely decoupled from the hardware through the hardware and software abstraction layer, the upper-layer business logic does not need to be repeatedly changed when new equipment is developed or function is upgraded, the development cycle is significantly shortened, the development and iteration cost can be reduced, the MCU procurement risk can be reduced, the MCU core boards of different types and different manufacturers can be replaced, only the bottom-layer driving registration needs to be updated, the chip supply chain fluctuation can be effectively coped with, new function modules do not need to be re-designed when the hardware modularization slot and the FPGA dynamic loading circuit are based, the hardware function plug-in is truly realized, the system expandability is improved, and finally, since the responsibilities of each layer are clear and can be independently verified, the system integration stage defects can be reduced, the test complexity is reduced, the development quality and test efficiency are greatly improved, and the application is suitable for popularization and application in the technical field of medical equipment.

The utility model discloses a kind of filtering devices special for animal blood processing, belong to animal blood processing technical field, its technical scheme main points include jar body, the outside of the jar body is connected with liquid inlet pipe, the bottom of the jar body is connected with liquid outlet pipe, the inside of the jar body is provided with filter assembly, the top of the jar body is provided with flushing assembly, staff by the animal blood through liquid inlet pipe is added to the inside of jar body, then by filter assembly can be realized in the process that staff filters animal blood, impurity in blood can be filtered multiple times, so blood can be filtered more thoroughly in impurity, so as not to produce influence to later use, and when staff disassembles and cleans filter plate, it is relatively simple, thus improve the overall practicability, so as to facilitate the use of staff, then by flushing assembly, manual flushing cleaning can be realized in its inside without staff.

This utility model relates to the technical field of animal blood processing devices, specifically, to a device for removing rabbit fecal pellets from rabbit blood. It includes a secondary processing cylinder with its top connected to the outside. A conical hopper is fixedly installed at the bottom of the secondary processing cylinder. An arc-shaped perforated plate is detachably installed inside the secondary processing cylinder, and a microporous filter membrane is provided on the inner surface of the arc-shaped perforated plate. A primary filter cylinder is also detachably installed inside the secondary processing cylinder. The primary filter cylinder has a perforated cylindrical structure, and a vertical pipe is fixedly installed at its bottom. A valve is fixedly installed on the vertical pipe. Temperature-controlled electric heaters are fixedly installed on both sides of the secondary processing cylinder, and heat-conducting plates are integrally formed on both sides of the secondary processing cylinder. This utility model enables filtration and is convenient for loading, unloading, and cleaning, making it easy to use.

1. Name of the product in this design: Control panel of a blood processing machine. 2. Application of this design: The entire product is used as a blood processing machine, a medical device for centrifuging blood; the protected part is used as the control panel of the blood processing machine. 3. The key design features of this product are the shapes of the parts shown by solid lines in each view. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted. 6. Other situations requiring explanation: The dashed lines in the views are for illustrative purposes only and do not constitute part of the design patent.

The present invention relates to blood treatment systems, machines and methods used for extracorporeal blood treatment procedures, and is provided, for example, to consolidate components, reduce costs, simplify setup, and enhance performance. According to embodiments of the present disclosure, the blood treatment machine includes a treatment module with a structure for releasably coupling with a dialyzer. The blood treatment machine also includes a blood treatment machine console that controls the treatment module. The blood treatment machine further includes one or more sensors that are operable to determine motion of the treatment module in relation to the blood treatment machine console. The treatment module is mounted to an arm extending from the blood treatment machine console.

1. Name of the product in this design: Graphical user interface for displaying blood processing icons in an electronic device. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: To display icons so that operators can interact with them to select blood processing procedures, enter parameters for the selected procedure, and control the procedure, while the screen displays information about the selected procedure.

A blood treatment system with pressure sensors may be configured to control blood flow to and from the patient and use readings of the pressure sensors to determine a change in a pressure drop across a flow restriction in the blood circuit to estimate a condition of the machine or the patient, or outputting data responsive to the estimation. Further embodiments employ measurement of pressure drop to detect abnormal viscosity or viscosity variations in order to detect possible infection.

The present invention relates to a method and a device for verifying an air sensor (250) in an extracorporeal blood treatment device (200), wherein the method comprises passing a mixture of blood and air through the air sensor (250) of the extracorporeal blood treatment device (200) and measuring a measured air quantity (Am) with the air sensor (250), and passing the mixture of blood and air into a measuring chamber (132) of a verification device (100), as well as taking an X-ray image (510) of the mixture of blood and air in the measuring chamber (132) of the verification device (100) and determining a determined air quantity (Ad) in the mixture of blood and air based on the X-ray image (510); and verifying the air quantity (Am) measured with the air sensor (250) by the air quantity (Ad) determined in the verification device (100) by means of the X-ray image (510).

A blood processing apparatus includes an optional heat exchanger and a gas exchanger disposed within a housing. In some instances, the gas exchanger can include a screen filter spirally wound into the gas exchanger such that blood passing through the gas exchanger passes through the screen filter and is filtered by the spirally wound screen filter a plurality of times.

The utility model discloses a kind of platelet-rich plasma preparation devices, it is related to medical instrument technical field;To solve the problem that blood separation mode is easy to pour red blood cell, inconvenient operation, and platelet recovery rate and efficiency are lower, the following technical scheme is proposed: it includes storage cavity, separation cavity and handle, the lower end of separation cavity is arranged in storage cavity, the lower end of storage cavity rotatably sets handle, the upper end surface of separation cavity is clamped with upper cover, and the lower connecting end of storage cavity is equipped with lower cover;Storage cavity is nested in reversal portion, and the cavity of storage cavity is communicated with separation cavity through reversal portion, and the lower chamber of storage cavity is equipped with piston, and the lower end surface of piston is abutted with the thread rod end surface of handle.The utility model realizes the complete independent separation storage of platelet-rich layer, plasma layer and red blood cell layer after whole blood centrifugal separation.Improve work efficiency and recovery rate, also ensure the safety and reliability of blood treatment, with extensive application prospect and popularization value.

Provided is a blood processing module for an automatic blood viscosity measurement device, and more specifically, a blood processing module for an automatic blood viscosity measurement device which scans blood collection tube information through scan, mixes a blood sample by rotating a blood collection tube 360° to completely prevent an erythrocyte sedimentation phenomenon that may occur during waiting time, and furthermore, can improve accuracy of blood viscosity measurement through uniform mixing of the blood sample by sucking and dispensing blood by using a pipette tip to achieve secondary mixing of blood.

The application discloses a kind of main control architecture system and its control method for unified blood processing platform, which includes top-down decision layer, execution layer and perception layer;Through the three-layer decoupling architecture of "decision layer-execution layer-perception layer", it is first realized in the field of blood processing Unified platform control across device types, across physical principles;Second, cross-device unified interface, realize plug and play extension;Third, based on the scheduling mechanism of capability unit, realize device-independent control;In addition, the application supports dynamic updating of strategy, enables intelligent evolution, and the state-strategy mapping library can be realized using a rule engine or a machine learning model, and supports dynamic updating;Finally, through the capability mapping mechanism of device adapter, the same main control system can uniformly manage multiple treatment scenarios such as plasma separation, hemodialysis, hemoperfusion, etc.

1. Name of the product in this design: Blood Processing Station. 2. Application of this design: It is used in blood matching and other operations in the fields of medicine, biomedicine, and medical science experiments. 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.

A medical blood treatment apparatus for extracorporeal blood treatment and a method for priming an extracorporeal blood tubing set on the blood treatment apparatus are presented to enable a user to prime the extracorporeal blood tubing set with a priming liquid from a liquid container while completely emptying the liquid container, wherein at the same time the unintentional introduction of air into the extracorporeal blood tubing set shall be avoided. After a first step of an automatic priming with a partial amount of the priming liquid, a user-controlled selection of a manual continuation of the priming as a second step is enabled to completely empty the liquid container.

The present disclosure relates to an extracorporeal blood treatment apparatus having an extracorporeal circuit, a dialyzer, a dialysate circuit and a control unit. A sensor is provided not only in the venous section but also in the arterial section of the extracorporeal circuit, which is designed to detect the hematocrit fraction in the liquid flowing through the respective section. The control unit is designed to control the reinfusion of blood in such a way that dialysate is provided from the dialysate circuit via the dialyzer membrane to the extracorporeal circuit, which, upon reinfusion, expels blood present in the extracorporeal circuit towards the patient in order to infuse the blood back to the patient via the venous section and the arterial section. Here, the reinfusion in the respective section of the extracorporeal circuit is interrupted when the hematocrit fraction is detected by the respective sensor or is calculated or predicted by the control unit on the basis of information detected by the respective sensor to be below a predetermined limit value.

The disclosure relates to an extracorporeal blood treatment machine (1), in particular a dialysis machine, with fluid lines (8, 10) each segmented and configured into sections (8b, 8c, 10b, 10c), and electrically conductive fluid channels (32, 34) through which two sections (8b, 8c, 10b, 10c) of the respective fluid line (8, 10) are fluidically connected, wherein the fluid channels (32, 34) are provided for electrical connection with an electrical reference potential (16) or are electrically connected to an electrical reference potential (16), characterized in that at least two of the fluid channels (32, 34) are combined to form an electrically conductive fluidic connector (14; 114; 214). The disclosure further relates to an electrically conductive fluidic connector for an extracorporeal blood treatment machine.

A control system operates (201) an apparatus for extracorporeal blood processing to extract, process and return the blood of an individual while removing fluid from the blood in accordance with a set value for ultrafiltration rate, UFR. The control system further obtains (202) sensor data representing one or more physiological parameters of the individual, and intermittently performs an optimization procedure (203) to generate the set value based on the sensor data. The optimization procedure comprises: evaluating (203A) the sensor data for detection of a limiting physiological status, LPS, sequentially controlling (203B) the apparatus in accordance with a test sequence of UFRs until the LPS is detected for a current UFR, and updating (203C) the set value based on the current UFR for use in operating the apparatus subsequent to the optimization procedure. The control system may perform a series of temporally separated optimization procedures during a treatment session to adapt the UFR to the individual.

1. The name of the design product: integrated blood treatment module. 2. The use of the design product: for continuous blood purification pipeline. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view 1.

To provide a concentration calculation device that can highly accurately measure concentration of substances such as albumin without increase in the number of groups to be classified pointlessly.SOLUTION: A concentration calculation device 16 comprises: an irradiation unit 80 that irradiates a concentration calculation object with excitation light; a detection unit 81 that detects fluorescence emitting from the concentration calculation object irradiated by the irradiation unit 80; a classification unit 71 that classifies a fluorescence spectrum of the fluorescence detected by the detection unit 81 into a first group not required for a correction and a second group required for the correction on the basis of a first and second amounts of characteristic extracted from the fluorescence spectrum thereof; a correction unit 94 that corrects the fluorescence spectrum classified into the second group; and a concentration calculation unit 72 that calculates concentration of a substance included in the concentration calculation object on the basis of fluorescence intensity of a plurality of wavelengths in a prescribed wavelength range of the fluorescence spectrum classified into the first group, fluorescence intensity of a plurality of wavelengths in a prescribed wavelength range of a fluorescence spectrum after being corrected by the correction unit 94 and a specific calibration model.SELECTED DRAWING: Figure 8

Extracorporeal blood treatment apparatus comprising a disposable set, the disposable set comprising: a blood circuit with a blood withdrawal line extending between a first end connected to the treatment unit and a second end, and with a blood return line extending between a first end connected to the treatment unit and a second end; a fluid infusion line with a pressure valve and extending between a first end connected to the blood circuit and a second end for connection to an infusion source, wherein the pressure valve is configured to switch from an interception position to a flow position when a differential pressure across the pressure valve exceeds an aperture pressure and from the flow position to the interception position when said differential pressure across the pressure valve falls below a closure pressure, and the closure pressure is below the aperture pressure; further wherein the apparatus comprises a blood pump, an infusion pump and a control unit configured to perform a pulsed infusion procedure.

A disposable set for an extracorporeal blood treatment apparatus, the disposable set comprising a treatment unit, a blood circuit with a blood withdrawal line extending between a first end connected to the treatment unit and a second end, and with a blood return line extending between a first end connected to the treatment unit and a second end; the set further comprises a fluid infusion line extending between a first end connected to the blood circuit and a second end for connection to an infusion source, and a degassing chamber on the blood return line; said degassing chamber comprising a blood inlet for blood entry; a blood outlet for blood output; and a fluid infusion inlet connected to the first end of the fluid infusion line; wherein said fluid infusion inlet is interposed between said blood inlet and said blood outlet.

An extracorporeal blood treatment apparatus includes an extracorporeal circuit, a dialysis fluid circuit, and a dialyzer. A blood side and a dialysis fluid side of the dialyzer are separated by a membrane. A control unit automatically empties the dialyzer by setting a reduced pressure or negative pressure in the dialysis fluid circuit and by a passage of fluid from the blood side to the dialysis fluid side via the membrane. Once fluid has passed from the blood side to the dialysis fluid side and the blood side has been emptied, the control unit brings about a passage of air from the blood side to the dialysis fluid side via the membrane, and a displacement of the fluid out of the dialysis fluid side toward a dialysis fluid outflow by continued setting of the reduced pressure or negative pressure in the dialysis fluid circuit.