CN211157667U - Portable monitoring host and cardiopulmonary bypass system - Google Patents
Portable monitoring host and cardiopulmonary bypass system Download PDFInfo
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- CN211157667U CN211157667U CN201920182202.0U CN201920182202U CN211157667U CN 211157667 U CN211157667 U CN 211157667U CN 201920182202 U CN201920182202 U CN 201920182202U CN 211157667 U CN211157667 U CN 211157667U
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Abstract
The utility model discloses a portable type monitoring host computer cardiopulmonary bypass system, this portable type monitoring host computer includes portable type control module, portable type power module and portable type sensing module, this portable type power module and this portable type sensing module respectively with this portable type control module electric connection, this portable type power module supplies power to this portable type control module and this portable type sensing module, this portable type sensing module monitors this blood's state, and produce sensing signal, and transmit this sensing signal to this portable type control module, this sensing signal is handled to this portable type control module, and obtain this blood's state data according to this sensing signal. The utility model discloses a cardiopulmonary bypass system uses above-mentioned portable type monitoring host computer, and the weight of portable type monitoring host computer carries the use under the emergency such as when being convenient for first aid or hospital are transported than the weight of the host computer of current cardiopulmonary bypass system.
Description
Technical Field
The utility model relates to a medical instrument field that is used for external life to support especially relates to a portable type monitoring host computer and cardiopulmonary bypass system.
Background
The cardiopulmonary bypass system, also known as extracorporeal membrane oxygenation (ECMO), is a percutaneous mechanical circulatory assist technique. Cardiopulmonary bypass systems are typically constructed of three parts, a main frame, a pump head, and a membrane oxygenator. The main machine controls and monitors the operation of the cardiopulmonary bypass system, the pump head is used for circulating blood inside and outside a human body, and the membrane oxygenator is used for supplying oxygen and exchanging carbon dioxide in the blood discharged from the human body. The cardiopulmonary bypass system mainly drains venous blood in a patient body to the outside of the body, and the blood is oxygenated by the membrane oxygenator and the blood with carbon dioxide removed from the blood is returned to the patient body. Depending on the route of blood return, the cardiopulmonary bypass system is mainly composed of two forms, the venous-venous (VV-ECMO) system, which has only a respiratory assistance effect, and the venous-arterial (VA-ECMO) system, which has both a circulatory and respiratory assistance effect.
The cardiopulmonary bypass system is usually used for patient first aid and patient transfer between hospitals, but the weight of the main machine of the cardiopulmonary bypass system is more than 10 kg, the power supply in the main machine can be used without being connected with the mains supply, but the independent working time is short, so that the portability of the cardiopulmonary bypass system is poor. Of course, the pump head can be directly powered by the battery without using the main machine, and the pump head directly drives the membrane oxygenator to operate, but in this mode, the flow rate and bubbles of blood discharged from the body cannot be detected without the main machine, and potential safety hazards are brought.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a portable monitoring host computer and cardiopulmonary bypass system to solve the difficult problem of carrying of cardiopulmonary bypass system.
In order to solve the technical problem, the utility model discloses a realize like this:
in a first aspect, a portable monitoring host is provided, which includes a portable control module, a portable power module and a portable sensing module, wherein the portable power module and the portable sensing module are electrically connected to the portable control module, respectively, the portable power module supplies power to the portable control module and the portable sensing module, the portable sensing module monitors the state of the blood and generates a sensing signal, and transmits the sensing signal to the portable control module, and the portable control module processes the sensing signal and obtains the state data of the blood according to the sensing signal.
In a second aspect, a cardiopulmonary bypass system is provided, which includes the portable monitoring host, a pump and a membrane oxygenator as described above, the portable monitoring host is electrically connected to the pump, the pump is connected to the membrane oxygenator through a pipeline, the pump and the membrane oxygenator are respectively connected to a blood vessel in a body through a medical cannula, and when blood in the blood vessel in the body circulates through the pump and the membrane oxygenator, the portable monitoring host monitors a state of the blood.
In the embodiment of the present invention, the weight of the portable monitoring host is smaller than the weight of the host used in the conventional cardiopulmonary bypass system, and the portable monitoring host can use the dc power of the on-board dc power supply and the built-in battery, so that the portable monitoring host and the cardiopulmonary bypass system can be used in emergency and without stable power supply.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a block diagram of a portable monitoring host according to a first embodiment of the present invention;
fig. 2 is another block diagram of a portable monitoring host according to the first embodiment of the present invention;
fig. 3 is a diagram illustrating a state of use of a lung bypass system according to a second embodiment of the present invention;
fig. 4 is a block diagram of a portable monitoring host according to a third embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1 and fig. 2, which are block diagrams of a portable monitoring host according to a first embodiment of the present invention; as shown, the present embodiment provides a portable monitoring host 11, and the portable monitoring host 11 can be used in the cardiopulmonary bypass system 1. The portable monitoring host 11 includes a portable control module 111, a portable power module 112, a portable sensing module 113 and a motor module 114, wherein the portable power module 112, the portable sensing module 113 and the motor module 114 are electrically connected to the portable control module 111 respectively. The portable control module 111 includes a portable processor 1111, a portable power converter 1112, a portable sensor signal converter 1113, and a motor driver and controller 1114, wherein the portable power converter 1112, the portable sensor signal converter 1113, and the motor driver and controller 1114 are electrically connected to the portable processor 1111 respectively.
The portable power conversion circuit 1112 is electrically connected to the portable power module 112, and is configured to adjust a voltage of a power signal input by the portable power module 112, and the adjusted power signal is supplied to the portable processor 1111. The portable power converter 1112 includes a transformer 11121, which depends on the source of the power signal provided by the portable power module 112, the power signal provided by the portable power module 112 includes at least one of the on-board dc power signal and the battery dc power signal, if there are multiple sources of the power signal provided by the portable power module 112, the portable power converter 1112 further includes a power selection circuit 11123, and the power selection circuit 11123 is electrically connected to the power output terminal of the transformer 11121 to switch the source of the power signal.
In this embodiment, the portable power module 112 can provide the above two power sources, which includes a dc power interface 1122 and a battery 1123, wherein the dc power interface 1122 is used for connecting to a vehicle power source or other external dc power source. The portable power conversion circuit 1112 electrically connected to the portable power module 112 of the present embodiment includes two transforming circuits 11122 and a power selection circuit 11123, wherein power input terminals of the two transforming circuits 11122 are electrically connected to the dc power interface 1122 and the battery 1123 electrically connected to an external vehicle power source or other dc power sources, respectively, and power output terminals of the two transforming circuits 11122 are electrically connected to the power selection circuit 11123, respectively. The power selection circuit 11123 is electrically connected to the portable processor 1111, and the power selection circuit 11123 is implemented by a power switch.
The portable power module 112 provides dc power, and the power selection circuit 11123 makes the dc interface 1122b, the transforming circuit 11122 electrically connected to the dc interface 1122b and the portable processor 1111 form a channel; alternatively, the power selection circuit 11123 allows the battery 1123, the transforming circuit 11122 electrically connected to the battery 1123, and the portable processor 1111 to form a path. The vehicle-mounted power supply enters the transforming circuit 11122 through the dc power signal provided by the dc power interface 1121 or the battery 1123, and the transforming circuit 11122 adjusts the voltage of the dc power signal to a voltage suitable for the dc power signal used by the portable processor 1111. The dc power signal or the adjusted dc power signal from the monitoring host 10 is transmitted to the portable processor 1111 through the power selection circuit 11123, so that the portable processor 1111 starts to operate.
The portable sensor signal conversion circuit 1113 is electrically connected to the portable sensor module 113, and is configured to receive the sensor signal transmitted by the portable sensor module 113; the format of the sensing signal can be converted, so that the converted sensing signal format conforms to the processing format of the portable processor 1111; it is further capable of processing the converted sensing signals and transmitting the processed sensing signals to the portable processor 1111. The portable sensor signal conversion circuit 1113 includes at least one of an analog-to-digital conversion circuit and a data conversion interface 11132, which is determined mainly by the format of the sensor signal generated by the portable sensor module 113, and if the sensor signal generated by the portable sensor module 113 is a digital signal, the sensor signal needs to be converted by the analog-to-digital conversion circuit. If the sensing signal generated by the portable sensing module 113 is an analog signal, the sensing signal can be transmitted through the data conversion interface 11132.
In this embodiment, the portable sensing module 113 includes a flow sensor 1131, and the sensing signal generated by the flow sensor 1131 is an analog signal. The portable sensor signal conversion circuit 1113 electrically connected to the portable sensor module 113 of this embodiment includes a data conversion interface 11132, and the data conversion interface 11132 is electrically connected to the flow sensor 1131 and the portable processor 1111. The flow sensor 1131 detects the flow of blood from the patient and generates a flow sensing signal, which is an analog signal, and the flow sensing signal is directly transmitted to the portable processor 1111 through the data conversion interface 11132. The portable processor 1111 analyzes the flow sensing signal. The portable sensing module 113 of the present embodiment has only a main sensor, and the portable sensing module 113 may further include at least one of a bubble sensor, a temperature sensor, a pressure sensor, and a blood oxygen saturation sensor. If the portable sensor module 113 uses a temperature sensor or a pressure sensor, and the sensing signal generated by the temperature sensor or the pressure sensor is an analog signal, the portable sensing signal conversion circuit 1113 should have an analog-to-digital conversion circuit, so as to convert the sensing signal generated by the temperature sensor or the pressure sensor into a digital signal by the analog-to-digital conversion circuit, so as to conform to the signal format that can be processed by the portable processor 1111.
The motor module 114 is electrically connected to the motor driving and controlling circuit 1114. The motor driving and controlling circuit 1114 is electrically connected to the portable processor 1111, and the portable processor 1111 controls the operation of the motor module 114 through the motor driving and controlling circuit 111. The motor module 114 of the present embodiment may not be disposed in the portable monitoring host 11, so as to reduce the weight of the portable monitoring host 11.
Please refer to fig. 3, which is a block diagram of a cardiopulmonary bypass system according to a second embodiment of the present invention; as shown in the drawings, the present embodiment provides a cardiopulmonary bypass system 1, the cardiopulmonary bypass system 1 of the present embodiment uses the portable monitoring host 11 of the first embodiment, and the cardiopulmonary bypass system 1 further includes a pump 12 and a membrane oxygenator 13. The portable monitoring host 11 is connected with a pump 12, and the pump 12 is connected with a membrane oxygenator 13.
In operation, the cardiopulmonary bypass system 1 of the present embodiment is first inserted into a blood vessel of a heart or a lung of a human body with two medical cannulas, one of the two medical cannulas is used as a blood output end, and the other one of the two medical cannulas is used as a blood input end. The pump 12 is connected to a medical cannula as a blood outlet, which is usually inserted into a venous blood vessel. The membrane oxygenator 13 is connected to a medical cannula as a fluid input, which is typically inserted into a venous or arterial blood vessel. The pump 12 is connected to the membrane oxygenator 13 via a pipeline. The portable monitoring host 11 drives the pump 12 to operate, the medical cannula as the blood output end outputs the blood of the internal vein, the blood of the internal vein flows through the pump 12 and flows into the membrane oxygenator 13, and the membrane oxygenator 13 oxygenates the blood of the internal vein and discharges carbon dioxide in the blood of the internal vein. The membrane oxygenator 13 outputs oxygenated blood, the oxygenated blood is input into a venous blood vessel or an arterial blood vessel from a medical cannula as a blood input end, so that the heart or the lung of the human body, the pump 12 and the membrane oxygenator 13 form a circulation, when the pump 12 is continuously operated, the venous blood in the heart or the lung is discharged, the membrane oxygenator 13 oxygenates the venous blood, and finally the oxygenated blood is output to the heart or the lung. The portable monitoring device 11 monitors the state of blood, such as the flow rate of blood, during the blood circulation.
Referring to fig. 2, the power supply provided by the portable power module 112 may be an external dc power supply or a battery 1123. In the embodiment, the power module 112 uses an external dc power, the external dc power is electrically connected to the dc interface 1122 electrically connected to the voltage transforming circuit 11122 in the power module 112, the dc power signal adjusts its voltage through the voltage transforming circuit 11122, and the adjusted dc power signal is transmitted to the portable processor 1111 of the portable monitoring host 11, the flow sensor 1131 of the portable sensing module 113 and the motor of the motor module 114, so that each module of the portable monitoring host 11 can operate normally.
Then, the portable processor 1111 generates a motor control signal and transmits the motor control signal to the motor driving and controlling circuit 1114, and the motor driving and controlling circuit 1114 drives and controls the motor module 114 according to the motor control signal, so that the motor module 114 drives the pump 12 to operate. After the pump 12 is started, the venous blood in the drainage fluid is oxygenated by the membrane oxygenator 13, and the membrane oxygenator 13 feeds the oxygenated blood to the venous blood vessel or the arterial blood vessel in the patient. During the blood circulation, the flow sensor 1131 of the portable sensor module 113 detects the flow of blood and generates a flow sensing signal, and transmits the flow sensing signal to the portable processor 1111, and the portable processor 1111 processes the flow sensing signal to obtain the current blood flow according to the flow sensing signal.
Please refer to fig. 4, which is a block diagram of a portable monitoring host according to a third embodiment of the present invention; as shown in the figure, the portable monitoring host 11 of the present embodiment further includes an alert module 115, the alert module 115 can send out alert information when the blood status data exceeds the monitoring threshold, and the user can perform other medical measures through the alert information. The user can set the monitoring threshold of the blood status data before the portable processor 1111, the portable processor 1111 determines whether the blood status data exceeds the monitoring threshold, if the blood status data exceeds the monitoring threshold, the portable processor 1111 generates the warning signal, so the portable monitoring host 11 of the embodiment further includes the warning module 115, the warning module 115 is electrically connected to the portable processor 1111 of the portable control module 111, the portable processor 1111 generates the warning signal and transmits the warning signal to the warning module 115, the warning module 115 generates the warning information according to the warning signal, wherein the warning module 115 can be a warning lamp or a buzzer, so the warning information can be light information or sound information, and the user can take other measures through the warning information.
The portable monitoring host 11 and the cardiopulmonary bypass system 1 of the present embodiment are used in emergency situations, including first aid and hospital bypass. The weight of the portable monitoring host 11 is lighter than that of the host used in the conventional cardiopulmonary bypass system, and the portability of the portable monitoring host 11 and the cardiopulmonary bypass system can be effectively improved. In addition, the portable power module 112 of the portable monitoring host 11 can use the onboard dc power and the dc power of the built-in battery 1123, so that the portable monitoring host 11 can be used in the absence of a stable power, thereby effectively improving the portability of the portable monitoring host 11. Meanwhile, the portable monitoring host 11 is provided with the portable sensing module 113 which can monitor the state of the blood of the patient, so that the portable monitoring host can have good safety in an emergency state. The portable sensor module 113 is only provided with the core flow sensor 1131, so that the complexity and power consumption of the portable monitoring host 11 are reduced, and the working time of the portable monitoring host 11 is prolonged.
To sum up, the utility model provides a portable type monitoring host computer and cardiopulmonary bypass system, the weight of portable type monitoring host computer is less than the weight of the host computer that current cardiopulmonary bypass system used, and the portable type monitoring host computer can use the DC power supply of on-vehicle DC power supply and built-in battery, makes the utility model discloses a portable type monitoring host computer and cardiopulmonary bypass system can use under emergency and the no steady power state.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (10)
1. A portable monitoring host is characterized by comprising a portable control module, a portable power module and a portable sensing module, wherein the portable power module and the portable sensing module are electrically connected with the portable control module respectively, the portable power module supplies power to the portable control module and the portable sensing module, the portable sensing module monitors the state of blood, generates a sensing signal and transmits the sensing signal to the portable control module, and the portable control module processes the sensing signal and obtains the state data of the blood according to the sensing signal.
2. The portable monitoring host according to claim 1, wherein the portable control module comprises a portable processor, a portable power conversion circuit and a portable sensing signal conversion circuit, the portable power conversion circuit and the portable sensing signal conversion circuit are electrically connected to the portable processor respectively, the portable power module is electrically connected to the portable power conversion circuit, and the portable sensing module is electrically connected to the portable sensing signal conversion circuit.
3. The portable monitoring host of claim 2, wherein the portable power module includes at least one of a second dc electrical interface and a battery.
4. The portable monitoring host according to claim 3, wherein the power module is at least one of the DC interface and the battery, and the portable power conversion circuit comprises at least one transformer circuit, and at least one of the DC interface and the battery is electrically connected to the corresponding transformer circuit, and the transformer circuit is electrically connected to the portable processor.
5. The portable monitoring host of claim 4, wherein the portable power conversion circuit further comprises a power selection circuit electrically connected between the portable processor and the transformer circuit.
6. The portable monitoring host of claim 1, wherein the portable sensing module comprises at least one of a flow sensor, a temperature sensor, a pressure sensor, and an oximetry sensor.
7. The portable monitoring host according to claim 6, wherein the portable sensing module comprises at least one of the flow sensor and the oximetry sensor, the portable sensing signal conversion circuit comprises at least one data conversion interface, and at least one of the flow sensor and the oximetry sensor is electrically connected to the corresponding data conversion interface, and the data conversion interface is electrically connected to the portable processor.
8. The portable monitoring host according to claim 6, wherein the portable sensing module comprises at least one of the temperature sensor and the pressure sensor, the portable sensing signal conversion circuit comprises at least one analog-to-digital conversion circuit, at least one of the temperature sensor and the pressure sensor is electrically connected to the corresponding analog-to-digital conversion circuit, and the analog-to-digital conversion circuit is electrically connected to the portable processor.
9. The portable monitoring host according to claim 1, further comprising an alert module electrically connected to the portable control module, wherein the control module generates an alert signal according to the sensing signal and transmits the alert signal to the alert module, and the alert module generates alert information according to the alert signal.
10. A cardiopulmonary bypass system comprising the portable monitoring host of any one of claims 1-9, a pump, and a membrane oxygenator, the portable monitoring host being electrically connected to the pump, the pump being connected to the membrane oxygenator via a tube, the pump and the membrane oxygenator being connected to a body vessel via a medical cannula, respectively, the portable monitoring host monitoring a state of the blood as the blood circulates through the pump and the membrane oxygenator.
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| CN201920182202.0U CN211157667U (en) | 2019-02-01 | 2019-02-01 | Portable monitoring host and cardiopulmonary bypass system |
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| CN201920182202.0U CN211157667U (en) | 2019-02-01 | 2019-02-01 | Portable monitoring host and cardiopulmonary bypass system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745591A (en) * | 2019-02-01 | 2019-05-14 | 江苏赛腾医疗科技有限公司 | A kind of Ambulatory monitoring host and cardiopulmonary bypass system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745591A (en) * | 2019-02-01 | 2019-05-14 | 江苏赛腾医疗科技有限公司 | A kind of Ambulatory monitoring host and cardiopulmonary bypass system |
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