CN209847953U - Extracorporeal membrane oxygenation device - Google Patents
Extracorporeal membrane oxygenation device Download PDFInfo
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- CN209847953U CN209847953U CN201820944347.5U CN201820944347U CN209847953U CN 209847953 U CN209847953 U CN 209847953U CN 201820944347 U CN201820944347 U CN 201820944347U CN 209847953 U CN209847953 U CN 209847953U
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Abstract
The utility model discloses an external membrane lung oxygenation device, the utility model discloses simply will be connected to the intelligent control host computer of system by devices such as oxygenator, centrifugal blood pump head, microembolus filter fast, the alternating temperature water tank has been integrated to the intelligent control host computer, and the alternating temperature water tank can convenient and fast ground be dismantled and make up, the utility model discloses a device can hand-carry out, provides a very portable life support equipment, and the intelligent control host computer has integrated big dipper location and global communication data transmission function, can long-range current geographical position and the operational data of equipment of monitoring this equipment at any time, the utility model discloses become membrane lung oxygenation device controller, alternating temperature water tank combination together and can dismantle the whole that can make up, greatly reduced system cost, volume and weight. The utility model provides high portability, integrated nature, operation convenience and the intellectuality of device.
Description
Technical Field
The utility model relates to the life health field especially involves an external membrane lung oxygenation device.
Background
Extracorporeal membrane oxygenation (ECMO), which is an extracorporeal life support technology, is based on the principle that venous blood in a body is led out of the body through a pipeline and conveyed to an oxygenator through a centrifugal blood pump, the blood and oxygen are combined and carbon dioxide is discharged, and then the oxygenated blood is conveyed to the body of a patient, so that partial or all cardiopulmonary substitution is performed, and oxygenation blood supply of human organ tissues is maintained. The ECMO device can monitor blood flow, venous and arterial blood pressure, blood temperature, venous oxygen saturation, etc. The rotating speed of the centrifugal blood pump can be adjusted by the equipment through a knob
In the prior art, the equipment of the type can only be used in an ICU (intensive care unit) due to larger volume and heavier weight, is inconvenient to carry when transporting critical patients, cannot be placed on an ambulance for emergency needs, and is more inconvenient to carry and apply by an emergency team under special disaster medical conditions.
The temperature-changing water tank is separated from the host machine, the temperature-changing water tank is not integrated on the host machine, and the temperature of the circulating blood can be controlled only by additionally configuring the temperature-changing water tank. The water tank is bulky and heavy. There is a lack of portable transportation devices that conveniently carry the equipment.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problem, an object of the present invention is to provide an extracorporeal membrane oxygenation device.
In order to achieve the above object, the present invention is realized according to the following technical solution:
an extracorporeal membrane pulmonary oxygenation device is characterized by comprising a thrombus filter, an oxygenator, a flow sensor, a centrifugal blood pump, a variable temperature water tank, an intelligent control host, an arterial cannula and a venous cannula, wherein an input port of the centrifugal blood pump is connected with the venous cannula through a pipeline, a pressure sensor and 2 three-way valves are installed on the pipeline, the 2 three-way valves are used for rapid pre-charging, the oxygenator is provided with an O2 input port, a CO2 discharge port, a water flow inlet and a water flow outlet, the water flow inlet and the water flow outlet are used for heat exchange, an output port of the centrifugal blood pump is connected with the water flow inlet of the oxygenator through a closed pipeline, an inlet of the variable temperature water tank is connected with the water flow outlet of the oxygenator through a closed pipeline, an outlet of the variable temperature water tank is connected with the water flow inlet and outlet of, the water outlet of the oxygenator is connected to the inlet of the thrombus filter through a closed pipeline, the outlet of the thrombus filter passes through the flow sensor through a closed pipeline and is connected to the arterial cannula, the arterial cannula and the venous cannula are inserted into the arteriovenous blood vessel of a human body, the intelligent control host and the variable temperature water tank are combined into a whole, the pump head of the centrifugal blood pump is fixed on the pump head driving interface of the control host, and the oxygenator and the micro-thrombus filter are fixed on the hanging rod.
Among the above-mentioned technical scheme, centrifugal blood pump's pump head fixing device is located on the wall of control host computer left side, contain an annular magnet on the pump head fixing device, annular magnet passes through metal construction and is connected with driving motor, driving motor's rotation drives the magnet rotation, and centrifugal blood pump's pump head is driven by rotatory annular magnet.
In the technical scheme, the intelligent control host comprises a touch display screen, a pressure sensor, a temperature sensor, a blood oxygen saturation sensor, a power switch, an adjusting knob, a key, an indicator light, a motor, a water tank and a control circuit; the power switch is fixed on the panel of the host computer and is positioned on the right side of the sensor socket; the touch display screen is connected with the main control panel through a flat cable, one end of the pressure sensor is installed on the pipeline, the other end of the pressure sensor is connected on a panel of the host machine, the temperature sensor is connected on the oxygenator and leads out a temperature sensor socket connected with a panel of the host machine through a cable, the oxyhemoglobin saturation sensor is clamped on a finger of a person and leads out a oxyhemoglobin saturation sensor socket connected with a panel of the host machine through a cable, the adjusting knob and the keys are installed on a circuit board, a sensor connector on the panel of the host machine is connected to the circuit board of the main controller through a wire, the circuit board is fixed on the panel on the right side of the display screen of the host machine, the keys and the adjusting knob are operated on the panel of the host machine, the indicating lamp is positioned above the keys on the panel of the host machine, and the heating plate, the motor is fixed inside the host computer, and centrifugal blood pump head coupling part one end links to each other with the motor shaft, and the other end is fixed in host computer machine case shell left side, and centrifugal blood pump swiftly installs and dismantles on pump head connecting device.
In the technical scheme, the intelligent control host machine also comprises a lithium battery and a controller, the controller controls the rotation speed of the motor, the rotation of the water pump, the heating of the water tank and collects sensor data in real time, monitors the blood pressure, the blood flow, the blood oxygen saturation, the temperature and the bubble size in the blood circulation loop, an NB-IoT internet of things communication module integrated in the controller carries out GPS or Beidou positioning and carries out global data transmission and communication at the same time, and the lithium battery is used for providing power for the whole control circuit outdoors or under the power-off condition.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses can be simply will be by the oxygenator fast, the blood circulation oxygenation closing device that centrifugal blood pump head, microembolus filter, pipeline, and intubate are constituteed is connected to the main control system of system, and the alternating temperature water tank has been integrated to the host computer, but alternating temperature water tank convenient and fast ground dismantles and makes up. The control host combined with the water tank is still very small in size, light in weight and very convenient to carry, can be carried out with a person, and can be carried to an ambulance and an airplane, so that very portable life support equipment is provided for the first aid of cardiopulmonary critical patients. The data and the geographical position location of the equipment operation can be transmitted to the cloud in real time in a global range, and a feasible scheme is provided for remote monitoring and internet diagnosis and treatment of the extracorporeal membrane oxygenation device.
The utility model combines the membrane lung oxygenating device controller and the temperature-changing water tank into a whole which can be disassembled and combined, thereby greatly reducing the system cost, the volume and the weight. The portability, the integration and the operation convenience of the equipment are improved. The global positioning function and the global communication data transmission function are integrated, the running data and the geographic position location of the equipment can be transmitted to the cloud in real time in a global range, and a feasible scheme is provided for remote monitoring and internet diagnosis and treatment of the extracorporeal membrane oxygenation device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an extracorporeal membrane oxygenation device of the present invention;
the system comprises a thrombus filter 1, an oxygenator 2, a flow sensor 3, a centrifugal blood pump 4, a touch display screen 5, a pressure, temperature and blood oxygen saturation sensor 6, a power switch 7, an adjusting knob 8 and 9, a key 10, an indicator light 11, an intelligent control host 12, a hanging rod 13 and a hook 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
FIG. 1 is a schematic diagram of an extracorporeal membrane pulmonary oxygenation device of the present invention, as shown in FIG. 1, the extracorporeal membrane pulmonary oxygenation device of the present invention comprises a thrombus filter, an oxygenator, a flow sensor, a centrifugal blood pump, a temperature-variable water tank, an intelligent control host, an arterial cannula and a venous cannula, wherein an input port of the centrifugal blood pump is connected with the venous cannula through a pipeline, a pressure sensor and 2 three-way valves are installed on the pipeline, 2 three-way valves are used for rapid priming, the oxygenator is provided with an O2 input port, a CO2 discharge port, a water flow inlet and a water flow outlet, the water flow inlet and the water flow outlet are used for heat exchange, an output port of the centrifugal blood pump is connected with the water flow inlet of the oxygenator through a closed pipeline, an inlet of the temperature-variable water tank is connected with the water flow outlet of the oxygenator, the outlet of the variable temperature water tank is connected with the water flow inlet and outlet of the oxygenator through a closed pipeline, the water flow outlet of the oxygenator is connected to the inlet of the thrombus filter through a closed pipeline, the outlet of the thrombus filter penetrates through the closed pipeline through the flow sensor and is connected to the artery intubation tube, the artery intubation tube and the vein intubation tube are inserted into the artery and vein blood vessels of a human body, the intelligent control host is combined with the variable temperature water tank into a whole, the centrifugal blood pump head is fixed on the pump head driving interface of the control host, and the oxygenator and the micro-thrombus filter are fixed on the hanging rod.
The pump head fixing device of the centrifugal blood pump is located on the wall of the left side face of the control host, the pump head fixing device is provided with an annular magnet, the annular magnet is connected with the driving motor through a metal structure, the rotation of the driving motor drives the magnet to rotate, and the pump head of the centrifugal blood pump is driven by the rotating annular magnet.
In the specific embodiment of the utility model, the intelligent control host comprises a touch display screen, a pressure sensor, a temperature sensor, a blood oxygen saturation sensor, a power switch, an adjusting knob, a button, an indicator light, a motor, a water tank and a control circuit; the power switch is fixed on the panel of the host computer and is positioned on the right side of the sensor socket; the touch display screen is connected with the main control panel through a flat cable, one end of the pressure sensor is installed on the pipeline, the other end of the pressure sensor is connected on a panel of the host machine, the temperature sensor is connected on the oxygenator and leads out a temperature sensor socket connected with a panel of the host machine through a cable, the oxyhemoglobin saturation sensor is clamped on a finger of a person and leads out a oxyhemoglobin saturation sensor socket connected with a panel of the host machine through a cable, the adjusting knob and the keys are installed on a circuit board, a sensor connector on the panel of the host machine is connected to the circuit board of the main controller through a wire, the circuit board is fixed on the panel on the right side of the display screen of the host machine, the keys and the adjusting knob are operated on the panel of the host machine, the indicating lamp is positioned above the keys on the panel of the host machine, and the heating plate, the motor is fixed inside the host computer, and centrifugal blood pump head coupling part one end links to each other with the motor shaft, and the other end is fixed in host computer machine case shell left side, and centrifugal blood pump swiftly installs and dismantles on pump head connecting device.
The touch display screen is used for displaying the running rotating speed, the flow, the time, the pressure, the temperature, the blood oxygen saturation, the heart rate parameter and the parameter setting of the touch change host in real time, and controlling starting and stopping. The mixed venous blood oxygen saturation sensor measures the blood oxygen saturation of venous blood in a pipeline through the absorption degree of reflective hemoglobin to red light and infrared light with specific wavelengths. Arterial oxygen saturation and heart rate measurements were acquired by finger-clipped sensors.
The intelligent control host machine also comprises a lithium battery and a controller, the controller controls the rotation speed of the motor, the rotation of the water pump, the heating of the water tank and the real-time acquisition of sensor data, monitors the blood pressure, the blood flow, the blood oxygen saturation, the temperature and the bubble size in the blood circulation loop, the NB-IoT communication module integrated in the controller is used for carrying out GPS or Beidou positioning, meanwhile, global data transmission and communication are carried out, the remote monitoring and adjustment can be carried out on the operation parameters of the equipment, and the remote analysis and diagnosis by doctors are facilitated. The lithium battery is used for supplying power to the whole control circuit outdoors or under the condition of power failure.
The cellular-based narrowband Internet of Things (NB-IoT) NB-IoT is constructed in a cellular network, only the bandwidth of about 180KHz is consumed, and the cellular-based narrowband IoT can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrade.
The utility model discloses an utilize control method of external membrane lung oxygenation device control oxygenation blood supply, utilize foretell external membrane lung oxygenation device to realize, including following step:
firstly, after a centrifugal blood pump is controlled by a controller to rotate, an input port of the centrifugal blood pump generates negative pressure to lead blood out of venous blood from a human body, and the venous blood is conveyed to an oxygenator by pressure difference generated by the centrifugal blood pump;
secondly, CO2 in venous blood is discharged by the oxygenator and is combined with oxygen to form oxygen-enriched arterial blood, the blood exchanges heat with constant-temperature water flow in the oxygenator, and the arterial blood flowing out of the oxygenator passes through the microembolus filter and then is infused back to a human body through the arterial cannula;
and finally, the controller detects blood flow, drainage blood pressure of the venous cannula, blood pressure before and after the oxygenator, mixed venous blood oxygen saturation, arterial blood oxygen saturation of a human body, heart rate, bubble detection in a pipeline and bubble size measurement data, the data are displayed on a liquid crystal display screen in real time, the controller controls the rotating speed of the motor to achieve the set target flow or rotating speed, and the rotating speed of the blood pump and the temperature of the water tank are controlled on the same interface to be set and adjusted through a knob and a key.
The data and the geographical position location of the equipment operation can be transmitted to the cloud in real time in a global range, and a feasible scheme is provided for remote monitoring and internet diagnosis and treatment of the extracorporeal membrane oxygenation device.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (4)
1. An extracorporeal membrane pulmonary oxygenation device is characterized by comprising a thrombus filter, an oxygenator, a flow sensor, a centrifugal blood pump, a variable temperature water tank, an intelligent control host, an arterial cannula and a venous cannula, wherein an input port of the centrifugal blood pump is connected with the venous cannula through a pipeline, a pressure sensor and 2 three-way valves are installed on the pipeline, the 2 three-way valves are used for rapid pre-charging, the oxygenator is provided with an O2 input port, a CO2 discharge port, a water flow inlet and a water flow outlet, the water flow inlet and the water flow outlet are used for heat exchange, an output port of the centrifugal blood pump is connected with the water flow inlet of the oxygenator through a closed pipeline, an inlet of the variable temperature water tank is connected with the water flow outlet of the oxygenator through a closed pipeline, an outlet of the variable temperature water tank is connected with the water flow inlet and outlet, the water outlet of the oxygenator is connected to the inlet of the thrombus filter through a closed pipeline, the outlet of the thrombus filter passes through the flow sensor through a closed pipeline and is connected to the arterial cannula, the arterial cannula and the venous cannula are inserted into the arteriovenous blood vessel of a human body, the intelligent control host and the variable temperature water tank are combined into a whole, the pump head of the centrifugal blood pump is fixed on the pump head driving interface of the control host, and the oxygenator and the micro-thrombus filter are fixed on the hanging rod.
2. The extracorporeal membrane oxygenation device of claim 1, wherein the pump head fixture of the centrifugal blood pump is located on the left side wall of the control console, the pump head fixture includes a ring magnet, the ring magnet is connected to the drive motor through a metal structure, the rotation of the drive motor drives the magnet to rotate, and the pump head of the centrifugal blood pump is driven by the rotating ring magnet.
3. The extracorporeal membrane lung oxygenation device of claim 1, wherein the intelligent control host comprises a touch display screen, a pressure sensor, a temperature sensor, a blood oxygen saturation sensor, a power switch, an adjusting knob, a key, an indicator light, a motor, a water tank and a control circuit; the power switch is fixed on the panel of the host computer and is positioned on the right side of the sensor socket; the touch display screen is connected with the main control panel through a flat cable, one end of the pressure sensor is installed on the pipeline, the other end of the pressure sensor is connected on a panel of the host machine, the temperature sensor is connected on the oxygenator and leads out a temperature sensor socket connected with a panel of the host machine through a cable, the oxyhemoglobin saturation sensor is clamped on a finger of a person and leads out a oxyhemoglobin saturation sensor socket connected with a panel of the host machine through a cable, the adjusting knob and the keys are installed on a circuit board, a sensor connector on the panel of the host machine is connected to the circuit board of the main controller through a wire, the circuit board is fixed on the panel on the right side of the display screen of the host machine, the keys and the adjusting knob are operated on the panel of the host machine, the indicating lamp is positioned above the keys on the panel of the host machine, and the heating plate, the motor is fixed inside the host computer, and centrifugal blood pump head coupling part one end links to each other with the motor shaft, and the other end is fixed in host computer machine case shell left side, and centrifugal blood pump swiftly installs and dismantles on pump head connecting device.
4. The extracorporeal membrane lung oxygenation device of claim 3, wherein the intelligent control host further comprises a lithium battery and a controller, the controller controls motor rotation speed, rotation of the water pump, water tank heating, and collects sensor data in real time, monitors blood pressure, blood flow, blood oxygen saturation, temperature, and bubble size in the blood circulation loop, and an NB-IoT internet of things communication module integrated in the controller performs GPS or Beidou positioning and performs global data transmission and communication at the same time; the lithium battery is connected to the main control circuit and used for supplying power to the whole control circuit outdoors or under the condition of power failure.
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| CN201820944347.5U CN209847953U (en) | 2018-06-19 | 2018-06-19 | Extracorporeal membrane oxygenation device |
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| CN201820944347.5U CN209847953U (en) | 2018-06-19 | 2018-06-19 | Extracorporeal membrane oxygenation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108744099A (en) * | 2018-06-19 | 2018-11-06 | 广州军区广州总医院 | The control method that a kind of extracorporeal membrane oxygenation device and its control oxygenated blood supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744099A (en) * | 2018-06-19 | 2018-11-06 | 广州军区广州总医院 | The control method that a kind of extracorporeal membrane oxygenation device and its control oxygenated blood supply |
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