308 results about "Oxygenator" patented technology

The embodiment of the invention provides a continuous blood oxygen monitoring system in extracorporeal circulation and a control method thereof. The continuous blood oxygen monitoring system comprises a vein sensor, an artery sensor, a blood flow sensor, an oxygen sensor, a carbon dioxide sensor, a controller and a display, the vein sensor monitors the vein blood oxygen saturation degree; the artery sensor monitors arterial oxygen saturation and hematocrit; the blood flow sensor monitors the blood flow of the artery pipeline; the oxygen sensor monitors the oxygen concentration of the oxygenator; the carbon dioxide sensor monitors the carbon dioxide concentration of the oxygenator; the display provides an interaction control, responds to a trigger operation acting on the interaction control, sends an interaction instruction to the controller, and updates information displayed in an interaction interface according to the control of the controller; the controller receives the interaction instruction and executes processing corresponding to the interaction instruction; the processing includes controlling display information of the display; the display information comprises information corresponding to the monitoring parameters. The scheme ensures the safety and effectiveness of the treatment process.

The invention provides an extracorporeal membrane oxygenation kit and a using method thereof.The extracorporeal membrane oxygenation kit comprises a pump head, an oxygenator and an extracorporeal circulation pipeline, the pump head is communicated with the oxygenator through the extracorporeal circulation pipeline, the extracorporeal circulation pipeline comprises a pipeline body and quick connectors, the two ends of the pipeline body are connected with the quick connectors, and the quick connectors are connected with the pump head. The pump head is communicated with one end of the pipeline through one quick connector, the oxygenator is communicated with the other end of the pipeline through the other quick connector, each quick connector comprises a female head and a male head, and the female head and the male head are connected in a clamped mode. According to the extracorporeal membrane oxygenation sleeve bag, the pump head, the oxygenator and the extracorporeal circulation pipeline are connected with one another through the quick connector, the quick connector is connected with the male connector in a clamped mode through the female connector for quick connection and disconnection, and therefore quick replacement can be conducted when thrombus appears in the extracorporeal membrane oxygenation sleeve bag.

A blood pump-oxygenator system (250A, 250B, 250C) for increasing perfusion and oxygen levels in the body of a patient (P), comprising: a blood inlet (80) and a blood outlet (90) connected to form a circuit operable as a cardiopulmonary bypass system suitable for extracorporeal treatment of the blood of the patient; a first blood pump (11) and a first oxygenator (20), wherein the first blood pump (11) is configured to deliver blood from the patient (P) through the circuit to the blood inflow port (80), through the first oxygenator (20), out of the blood outflow port (90) and back to the patient (P). The system further comprises a second blood pump (13) and a second oxygenator (21), wherein the second blood pump (13) is configured to deliver blood from the patient (P) through the circuit to the blood inflow port (80), through the second oxygenator (20), out of the blood outflow port (90) and back to the patient (P). The circuit comprises a first branch (101) and a second branch (102) arranged in parallel with each other, the first branch (101) accommodating the first blood pump (11) and the first oxygenator (20), and the second branch (102) accommodating the second blood pump (13) and the second oxygenator (21). The system further comprises a pump control unit (290) wherein the first and second blood pumps (11, 13) are configured to be controlled by the pump control unit (290) to increase or decrease the blood flow through the corresponding oxygenator (20, 21) by changing the proportion of the blood flow through the first and second oxygenator (20, 21).

The invention relates to the field of medical instruments, in particular to an extracorporeal membrane oxygenation device with mechanical protection, which comprises a main device and a consumable component, one side of the main device is provided with a connecting piece and a pump head driving seat, and the top of the main device is provided with a protection frame; the consumable assembly is detachably installed on the connecting piece, the consumable assembly is provided with a pump head connected with the pump head driving base, and the protection frame is suitable for forming external protection on the consumable assembly installed on the connecting piece. The oxygenator and the pump head are integrated on the consumable assembly and then installed on the connecting piece of the main equipment in a buckled and matched mode, a mechanical protection frame is formed for the consumable assembly based on the protection frame on the main equipment, the consumable assembly is not prone to being collided by machines in the transferring process, and the transferring safety is improved. The extracorporeal membrane oxygenation device is small in size, light in weight, convenient to operate, very convenient to transfer, and suitable for forming the portable and integrated extracorporeal membrane oxygenation device with mechanical protection, and the extracorporeal membrane oxygenation device is used for being transferred between long-distance hospitals.

The invention discloses a disposable isolated organ continuous oxygenation mechanical perfusion circulation system and a working method. A circulation pipeline of the circulation system is provided with a to-be-carried oxygen conveying pipeline and an oxygen-carrying perfusion pipeline; the output end of the organ low-temperature storage container is connected to the to-be-carried oxygen conveying pipeline, and the pump pipe and the oxygenator are arranged on the to-be-carried oxygen conveying pipeline; the organ transfer sleeve assembly is detachably mounted on the organ tray assembly; the organ tray assembly is arranged in a cavity of the organ low-temperature storage container; the output end of the oxygenator is connected to the oxygen-carrying perfusion pipeline, the automatic bubble separator installed on the oxygen-carrying perfusion pipeline is connected to the input end of the organ transfer sleeve assembly, and the pressure sensor is installed on the oxygen-carrying perfusion pipeline. The device has the following advantages: the device has an automatic bubble removal function; on the basis of a low-temperature mechanical perfusion function, the oxygenation function is achieved; light weight is taken into account, and portable transfer of perfusion equipment is facilitated; the method has higher safety and reliability.

The invention relates to the technical field of human body blood gas monitoring, and discloses a blood gas monitoring method and system of an extracorporeal circulation system.The method comprises the steps that current blood gas data of a patient is collected, cleaning is conducted, blood gas features are extracted, the features are input into a blood gas prediction model, and the change trend of the blood gas data of the patient in the future effective intervention period is predicted; if it is monitored that the blood gas data of the patient tends to be bad in the time period, parameters of the oxygenator are actively adjusted; meanwhile, according to the basic information of the patient and the current blood gas data, a corresponding oxygenation parameter adjustment strategy is screened, the change trend of the blood gas data of the patient is continuously predicted, and whether the oxygenation parameter adjustment strategy is replaced or not is judged according to the updated prediction result until the predicted blood gas data of the patient is in a good change trend; the technical problem that existing blood gas monitoring lacks effective early warning is solved.

The utility model provides a miniature extracorporeal membrane lung oxygenation device which comprises a circulating pump, an oxygenator and a heat preservation device which are respectively arranged on a base, a liquid medium to be tested is filled in the heat preservation device, the liquid medium to be tested is kept at a constant temperature through the heat preservation device, and an outlet end of the heat preservation device is communicated to an inlet end of the oxygenator through a first pipeline. The outlet end of the oxygenator is communicated to the inlet end of the heat preservation device through a second pipeline, a circulating pump is installed on the first pipeline, an oxygen passing hole is formed in the middle of the oxygenator, an air inlet pipe is installed in the oxygen passing hole, and the air inlet pipe is connected to air supply equipment. According to the miniature extracorporeal membrane oxygenation device, blood to be tested is subjected to heat preservation through the heat preservation device, then blood circulation of a human body is simulated in vitro through the circulating pump, important data support is provided for research and development of an ECMO oxygenator, meanwhile, the research and development progress of an ECMO overall sleeve bag can be greatly accelerated, the test cost is reduced, and the test efficiency is improved. The test efficiency is improved.

The utility model provides blood purification equipment with a respiratory support function, an oxygenator is arranged on a blood path of the blood purification equipment, and the oxygenator is arranged on a blood path output pipeline or a blood path input pipeline. According to the blood purification equipment, in-vitro oxygenation of blood can be carried out through the oxygenator while blood purification is carried out, carbon dioxide in the blood is removed, and a partial respiration support function is provided for a patient.

The invention relates to the technical field of medical monitoring, in particular to a patient cardiopulmonary function monitoring system and method and a computer readable storage medium, the monitoring system comprises a breathing machine, a pulmonary membrane oxygenation device, a first monitoring module and a second monitoring module, and the breathing machine comprises a breathing circuit, a processing module and a display module; the pulmonary membrane oxygenation equipment comprises an oxygenator; the first monitoring module is used for monitoring carbon dioxide exhaling parameters in gas exhaled by a patient in real time; the second monitoring module is used for monitoring carbon dioxide discharge parameters in gas discharged by the oxygenator in real time. By means of real-time monitoring of exhaling parameters of carbon dioxide in gas exhaled by a patient and discharging parameters of carbon dioxide in gas discharged by an oxygenator, continuous monitoring of the change condition of the cardiac function and / or the lung function of the patient is achieved, oxygen consumption of the patient can be truly reflected, parameter adjustment of a breathing machine and lung membrane oxygenation equipment is facilitated, and the patient experience is improved. And guidance is provided for turning of the pulmonary membrane oxygenation equipment.

The invention discloses an organ mechanical perfusion system which comprises a liquid storage container used for storing perfusion liquid; the perfusion pump is used for extracting the perfusion liquid in the liquid storage container and perfusing the organ through the perfusion pipeline; the oxygenator is used for oxygenating perfusate and organs; the temperature control module is used for maintaining the temperature of the organ and the perfusate in a set range; the main control module is used for controlling the perfusion pump and the temperature control module according to the perfusion parameters, controlling the temperature control module to place the organ in a low-temperature state in a first time period, and controlling the perfusion pump to stop perfusion action or perform slow perfusion action in the low-temperature state so as to enter a maintenance stage; and in the second time period, the temperature control module is controlled to place the organ in a normal temperature or sub-normal temperature state, and the perfusion pump is controlled to execute normal perfusion action in the normal temperature or sub-normal temperature state, so that a normal perfusion stage is started. Wherein the maintenance stage of the first time period and the normal perfusion stage of the second time period can be alternately carried out.

The utility model belongs to the technical field of organ transplantation auxiliary equipment, and particularly relates to an animal organ perfusion system and equipment. The animal organ perfusion system comprises a temperature control pipeline loop and at least one perfusion pipeline loop. The perfusion pump, the filter, the oxygenator, the bubble remover, the flow sensor, the pressure sensor and the organ chamber are sequentially connected through the perfusion pipeline. The temperature control pipeline loop comprises a circulating liquid pipeline, and a temperature control device, a temperature sensor, a circulating pump and a bathtub which are sequentially connected through the circulating liquid pipeline. Wherein the bathtub is used for containing circulating liquid, the temperature control pipeline loop is used for regulating and controlling the temperature of the circulating liquid, and the organ chamber is arranged in the bathtub so as to be capable of exchanging heat with the circulating liquid. The animal organ perfusion equipment provided by the utility model is provided with the animal organ perfusion system so as to realize automatic perfusion of organs of small animals. The device is relatively miniaturized, the manufacturing cost is relatively low, and the cost of the small animal organ perfusion experiment is relatively low.

A blood pump-oxygenator system (1; ...; 10) comprises at least one blood pump (11), at least one oxygenator (20, 21), a blood flow inlet (80), and a blood flow outlet (90), which are connected so as to form a circuit to be operable as a cardiopulmonary bypass system adapted for extracorporeal processing of the patient's blood, wherein the first blood pump (11) is configured to convey blood through the circuit from the patient (P) into the blood flow inlet (80), through the oxygenator (20, 21) and out of the blood flow outlet (90) back into the patient (P). The system (1; ...; 10) further comprises a recirculation loop (100) arranged between the blood flow inlet (80) and the blood flow outlet (90), wherein the recirculation loop (100) accommodates the first blood pump (11) and the oxygenator (20, 21), wherein the first blood pump (11) is configured to circulate at least part of the blood in the circuit through the recirculation loop (100) such that the blood passes through the oxygenator (20, 21) multiple times such that the blood is repeatedly subject to the exchange of O2 and CO2 within the oxygenator (20, 21). At least a first valve (31) is provided positioned between the recirculation loop (100) and the blood flow outlet (90) and configured to control an amount of blood flowing through the recirculation loop (100).

The utility model belongs to the technical field of fixing mechanisms, particularly relates to a fixing device for a membrane type oxygenator, and provides the following scheme aiming at the problems that the existing fixing device is difficult to fix, a tube is separated, the membrane type oxygenator is easy to fall off, and the membrane type oxygenator needs to be fixed by two persons and is inconvenient to use, the fixing device comprises a connecting rod; a limiting ring is arranged at the side end of the connecting rod, the supporting ring is arranged in the limiting ring and used for supporting the membrane type oxygenator to be fixed, a set of connecting assemblies are arranged between the limiting ring and the supporting ring, and the connecting assemblies are used for disassembling the supporting ring; a fixing block is arranged at the side end of the connecting rod, and the clamping and positioning assembly is arranged in the fixing block and used for clamping and positioning the membrane oxygenator; the membrane type oxygenator fixing device can effectively and quickly fix a membrane type oxygenator, is convenient for a single person to operate, can replace a new supporting ring through a connecting assembly, can adapt to supporting of membrane type oxygenators with different sizes, and is convenient to use.

A blood pump-oxygenator system (250A; 250B, 250C) for increasing perfusion and oxy-gen level in a patient (P) comprises a blood flow inlet (80), and a blood flow outlet (90), which are connected so as to form a circuit to be operable as a cardiopulmonary bypass system adapted for extracorporeal processing of the patient's blood, a first blood pump (11) and a first oxygenator (20), wherein the first blood pump (11) is configured to convey blood through the circuit from the patient (P) into the blood flow inlet (80), through the first oxygenator (20) and out of the blood flow outlet (90) back into the patient (P). The system further comprises a second blood pump (13) and a second oxygenator (21), wherein the second blood pump (13) is configured to convey blood through the circuit from the patient (P) into the blood flow inlet (80), through the second oxygenator (20) and out of the blood flow outlet (90) back into the patient (P). The circuit comprises a first branch (101) and a second branch (102) arranged in parallel with each other, the first branch (101) accommodating the first blood pump (11) and the first oxygenator (20), and the second branch (102) accommodating the second blood pump (13) and the second oxygenator (21). The system also comprises a pump control unit (290), wherein the first and second blood pumps (11, 13) are configured to be controlled by the pump control unit (290) to increase or decrease a flow rate of blood through the respective oxygenator (20, 21) in such a manner to vary a ratio of flow rates of blood through the first and second oxygenators (20, 21).

The invention discloses a biological organ culture device. The biological organ culture device is characterized in that a plurality of culture chamber placement grooves for mounting culture chambers are formed in a culture chamber support; the eight-way pipe heads of the first liquid path slip ring and the second liquid path slip ring are respectively connected with the first end and the second end of the culture chamber support; in a working state, the culture chamber is mounted in the culture chamber placement groove of the culture chamber support, an outlet of the nutrient solution tank is connected to an inlet of the peristaltic pump, an outlet of the peristaltic pump is connected to a liquid inlet of the oxygenator, a fluid inlet of the culture chamber is communicated with a liquid outlet of the oxygenator through the first liquid path slip ring, and a fluid outlet of the culture chamber is communicated with a liquid outlet of the oxygenator through the second liquid path slip ring. A fluid outlet of the culture chamber is connected into the nutrient solution tank through a second liquid path slip ring to form a circulating liquid path; the culture chamber support driving device is in driving connection with the culture chamber support and drives the culture chamber support to rotate so as to realize suspension culture of cells in the culture chamber.

The invention relates to an oxygenator, which comprises a shell, a blood inlet, a blood outlet, a water inlet, a water outlet, an air inlet and an air outlet, wherein the upper part of the shell is provided with a blood inlet; the lower part of the shell is provided with a blood outlet; the top of the shell is provided with a water inlet and a water outlet; the oxygenation temperature changing assembly is vertically arranged in the shell and sequentially comprises a mandrel, a temperature changing film, a partition plate and an oxygenation film from inside to outside, the temperature changing film is communicated with the water inlet and the water outlet, the oxygenation film is communicated with the air inlet and the air outlet, the blood inlet end of the mandrel is communicated with the blood inlet, and the blood outlet end of the mandrel corresponds to the upper portion of the temperature changing film; wherein blood reaches the variable-temperature film from the blood inlet through the mandrel, is diffused towards the periphery by taking the mandrel as the center, obliquely penetrates through the variable-temperature film, the partition plate and the oxygenation film from top to bottom and then flows out of the blood outlet; and the blood inlet and the blood outlet are positioned on the same vertical line. According to the oxygenator, blood uniformly penetrates through the oxygenation membrane for gas exchange, the flow field is uniform, and the gas exchange utilization efficiency of the oxygenation membrane is high.

A perfusion system (100) includes a perfusion module (110) configured to circulate a perfusate. The perfusion module includes an oxygenator (112) configured to oxygenate the perfusate, the oxygenator configured to be fluidly coupled with an oxygen source and configured to receive oxygen therefrom, and a first and a second pump, each pump operably coupled with the oxygenator and configured to circulate the perfusate through the oxygenator. The system further comprises a cannister (140) and a tissue interface (150) disposed between the perfusion module and the cannister. The first and second pumps can be diaphragm pumps. The oxygen source can be in fluid communication with the perfusion module to allow flow of oxygen and pressurization of the pump diaphragms (128).

The invention provides a sequential balloon pulsation blood pump, system and method for an artificial uterus, and relates to the technical field of medical instruments. The blood pump comprises a pump body which is arranged in a blood flowing loop of an artificial placenta and comprises a first pump cavity and a second pump cavity; the first pump cavity and the second pump cavity are connected in parallel through a catheter, the two ends of the catheter are a blood inlet end and a blood outlet end respectively, the inlet end is communicated with the umbilical artery of a fetus, and the outlet end is communicated with the umbilical vein of the fetus through an oxygenator; the controller is in communication connection with the first air bag assembly and the second air bag assembly; and the heart acquisition unit is arranged on the outer surface of the artificial uterus and is in communication connection with the controller. The device has the advantages that pulsatile blood flow can be generated, the device can adapt to high heart rate of a fetus, the afterload balance of the heart of the fetus is not affected, and umbilical vessel intubation spasm is avoided.

A first chamber and a second chamber are formed between the two ends, in the first direction, of a medium exchange module and a shell, a gas inflow cavity and a heat medium inflow cavity are formed between one end, in the second direction, of the medium exchange module and the shell, and a gas outflow cavity and a heat medium outflow cavity are formed between the other end and the shell. Two ends of the first / third gas exchange pad are respectively communicated with the first and second chambers, two ends of the second gas exchange pad are respectively communicated with the gas inflow / outflow cavity, and two ends of the heat exchange pad are respectively communicated with the heat medium inflow / outflow cavity. The first cavity is communicated with the gas inflow cavity, the second cavity is communicated with the gas outlet, the gas inflow cavity is communicated with the gas inlet, the thermal medium inflow cavity is communicated with the thermal medium inlet, and the thermal medium outflow cavity is communicated with the thermal medium outlet.

The invention belongs to the field of medical equipment, and provides an organ perfusion device, which comprises a liquid storage bin, a perfusion device and a control device, the organ bin is used for storing isolated organs; the pump is used for driving perfusate; the perfusion pipeline is used for perfusion of an isolated organ, is provided with two or more flow division pipelines and is used for perfusion and flow division; the temperature maintaining system is used for maintaining the perfusate and the isolated organ at different temperatures; the oxygenator is used for oxygenating the perfusate; the central control system is used for system control; the perfusion pipeline is driven by the pump to extract perfusion liquid from the liquid storage bin to perfuse the isolated organ in the organ bin. Metabolic waste can be prevented from entering circulation again through one-way perfusion, low-temperature and normal-temperature double-phase automatic switching is achieved, one-way tidal perfusion is achieved, the device structure is obviously simplified, and the overall performance such as safety, stability and portability is improved.

The invention provides a membrane type oxygenator water vapor condensation prevention device which is applied to the technical field of medical instruments.The membrane type oxygenator water vapor condensation prevention device comprises a clamping frame and a constant-temperature heating mechanism, the clamping frame is used for fixing a membrane type oxygenator, and the constant-temperature heating mechanism is used for emitting heat at the preset temperature; and heat can be transferred to the membrane oxygenator through the clamping frame, so that generation of condensed water in the membrane oxygenator is prevented. When the membrane type oxygenator starts to work, the constant-temperature heating mechanism can be started, the constant-temperature heating mechanism emits heat and transmits the heat to the membrane type oxygenator, and therefore condensate water in the membrane type oxygenator is prevented from being generated. Compared with the prior art, the water vapor condensation prevention device of the membrane type oxygenator can be used for supporting and fixing the membrane type oxygenator in clinical application and can continuously prevent condensate water for the membrane type oxygenator, so that the condensate water is not generated in the membrane type oxygenator for a long time, and the gas-blood exchange performance is improved.

An oxygenation device for use with extracorporeal blood circulation is disclosed. The device includes an oxygenator housing having a blood inlet end cap having a blood inlet opening, a blood outlet end cap having a blood outlet opening, and a gas collector housing between the blood inlet opening and the blood outlet opening. The gas collector housing defines a gas compartment having a gas inlet chamber with a gas inlet port and a gas outlet chamber with a gas outlet port. Heating devices are disposed against the gas collector housing and include a first heating device in the gas inlet chamber and a second heating device in the gas outlet chamber. During operation of the oxygenation device, the heating devices heat the gas compartment.

The invention relates to an ECMO rapid pre-filling system suitable for out-of-hospital emergency rescue and a using method.The rapid pre-filling system sequentially comprises a pre-filling bag, a rolling pump, a centrifugal pump and an oxygenator in the pre-filling liquid flowing direction, the pre-filling bag is provided with a liquid outlet and a liquid return opening, the liquid outlet of the pre-filling bag is communicated with the rolling pump through a first pipeline, and the rolling pump is communicated with the centrifugal pump through a second pipeline; the rolling pump is communicated with a liquid inlet of the centrifugal pump through a second pipeline, a liquid outlet of the centrifugal pump is communicated with a liquid inlet of the oxygenator through a third pipeline, and a liquid outlet of the oxygenator is communicated with a liquid return opening of the pre-filling bag through a fourth pipeline. The rolling pump is additionally arranged in the pre-filling liquid loop to serve as a power source, so that the pre-filling liquid can be quickly injected into the pipeline loop to be pre-filled, the efficiency is high, and the time is short.

The present invention relates to a high-performance membrane-adsorption coupled oxygenator, which belongs to the field of medical devices. A high-performance membrane-adsorption coupled oxygenator, the oxygenator includes at least one membrane-adsorption coupled oxygenator unit, the oxygenator unit includes the following equipment units: a shell; a plurality of gas separation membranes, and at least part of the cavity formed by the gas separation membrane is filled with carbon dioxide adsorbent; a blood inlet; a blood outlet; a gas inlet; a gas outlet, wherein the gas separation membrane is at least one of a tubular membrane, a hollow fiber membrane, a flat membrane or a rolled membrane. The present invention provides a high-performance membrane-adsorption coupled oxygenator, which mainly realizes the process of removing carbon dioxide from blood and injecting oxygen by filling the oxygenator with adsorbent and separation membrane, respectively, solving the problem that the separation membrane needs to take into account both the permeability and selectivity and improve them at the same time.

The utility model discloses an aerator for mixing air, oxygen and liquid, which comprises a shell, a driving mechanism and an oxygen conveying component, and the shell is provided with a water inlet and a water outlet; the driving mechanism comprises a driving unit, a transmission shaft and an impeller, the impeller can drive fluid to be output from the water inlet to the shell and sent out from the water outlet, the transmission shaft is a hollow shaft and is provided with an air inlet and an air outlet which are connected to an inner cavity of the transmission shaft, and the air outlet is located at the position corresponding to the impeller; an oxygen outlet of the oxygen conveying assembly is formed in the position corresponding to the impeller or located on a fluid advancing path, when the impeller drives water to flow, negative pressure can be formed at the air outlet, external air is sucked in from the air inlet, the air is continuously sucked in from the air inlet, and meanwhile the oxygen conveying assembly can be used for conveying oxygen. The oxygen conveying assembly can convey oxygen to be mixed with water flow to further improve the dissolved oxygen amount, air, oxygen and water are fully mixed, and therefore the dissolved oxygen amount of the water body is greatly improved, and the problem of layering of the water body of the fishpond can be well solved.

The invention provides a membrane type oxygenator and an extracorporeal life support system, the oxygenator comprises: a housing assembly, the housing assembly is provided with a liquid inlet, at least two liquid outlets, an air inlet and an air outlet, the housing assembly comprises a first end cover, an outer cylinder and a second end cover which are connected in sequence; the inner cylinder is arranged in the outer cylinder, the inner cylinder and the outer cylinder form an oxygenation cavity, and the inner cylinder is connected with the first end cover to form a liquid separation cavity; and the plurality of oxygenation membrane wires are arranged in the oxygenation cavity. The liquid outlet direction of each liquid outlet is perpendicular to the liquid inlet direction of the liquid inlet. The device can accord with the physiological characteristics of umbilical cord blood vessels of the premature infants, facilitates connection of the oxygenator and is suitable for providing in-vitro life support for the premature infants. Moreover, due to the fact that the flowing path of blood in the oxygenation cavity is minimum, extremely low transmembrane pressure difference is achieved, blood pressure generated by the heart of the premature infant can be directly utilized, and blood extracorporeal circulation can be achieved through the membrane type oxygenator without depending on a blood pump.

An oxygenerator (4) has a blood side (2), a gas side (6) and a semi-permeable membrane (8), where the membrane (8) separates the blood side (2) from the gas side (6), the blood side (2) has an inlet (18) and an outlet (20), the gas side (6) has an inlet (14) and an outlet (16), and during operation of the oxygenerator (4), the gas side (6) has an inlet (14) and an outlet (16). A flow of gas flows into the inlet (14) to the outlet (16) at a gas flow rate and a flow of blood flows into the inlet (18) to the outlet (20) at a blood flow rate, where gas flowing into the inlet (14) of the gas side (6) and blood flowing into the inlet (18) of the blood side (2) flow along the membrane (8) in the same direction to their respective outlets (16, 20).

1. The name of the design product: oxygenation machine (paddle wheel type). 2. The use of the design product: oxygenation equipment for oxygenating water bodies for aquaculture. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The present invention provides an organic fluid oxygenator (10) comprising a container body (20); a first hole (21) for oxygen entry and a second hole (22) for exhaust gas exit; a third hole (23) for entry of organic fluid to be oxygenated and a fourth hole (24) for exit of oxygenated organic fluid; an oxygenation chamber (30) for oxygenating the organic fluid to be oxygenated, defined within the container body (20); and a mass (31) of capillary fibers (32) impermeable to liquids but permeable to gases, arranged parallel to each other in a first direction (X) to be wrapped by the organic fluid within the oxygenation chamber (30).

The utility model provides a portable low-temperature oxygen-carrying organ transfer box which comprises a machine shell and a cover plate, a miniature oxygen generator is installed on the machine shell, two sets of air outlet connectors are arranged on the machine shell, and the miniature oxygen generator is connected with the two sets of air outlet connectors through connecting pipes. The cover plate is rotatably connected with the shell to form a placement cavity, a storage assembly is arranged in the placement cavity, the storage assembly comprises a covering shell, a container bag and an oxygenator are arranged in the covering shell, two groups of oxygen circulation openings are formed in the container bag, one group of air outlet connectors are connected with the oxygenator, and the other group of air outlet connectors are connected with one group of oxygen circulation openings; a control panel is arranged on the machine shell, and a power supply and a main control board are installed on one side of the machine shell. According to the transfer box, the miniature oxygen generator is installed on the machine shell, the miniature oxygen generator is communicated with the oxygenator and the container bag in the storage assembly through the connecting pipe, oxygen can be supplied to organs at low temperature, accumulation of toxic metabolites of the organs is effectively avoided, and the risk of ischemia reperfusion injury is reduced.