CN115779260A - System and method for estimating the position of an interventional blood pump - Google Patents
System and method for estimating the position of an interventional blood pump Download PDFInfo
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Abstract
The present application relates to the field of medical devices, and in particular, to an interventional blood pump and a method for estimating a position of an interventional blood pump system, during operation of the interventional blood pump system in a patient, an induced current generated by an action of blood in the heart of the interventional blood pump system is received, and a magnitude and/or a direction of the induced current changes with the operation of the interventional blood pump system, and the induced current forms a time-varying periodogram with respect to time, wherein the magnitude, the direction, a valley value and a combination thereof of the induced current in the time-varying periodogram may be used to determine a target position of the interventional blood pump system in the patient.
Description
Technical Field
The present application relates to the field of medical devices, and more particularly, to a system and method for estimating the position of an interventional blood pump.
Background
At present, the morbidity and mortality of cardiovascular diseases gradually increase in China, and serious cardiovascular diseases such as myocardial infarction and complications thereof directly threaten the life safety of patients and need emergency surgical treatment. According to the estimation, the incidence rate of the acute myocardial infarction in China is about forty-five to fifty-five of ten-thousandths, and the current trend is also rising. The development process of heart failure is slow, most of the heart failure is caused by that after various symptoms of a patient accumulate for many years, the heart gradually loses the blood pumping function, all the functions are gradually weakened, the heart is enlarged, the left ventricle is enlarged, the life quality and the clinical treatment of the patient are greatly influenced, the existing treatment scheme comprises drug treatment, auxiliary equipment and heart transplantation, but different treatment methods face great challenges.
For the existing cardiac surgery treatment scheme, the interventional cardiac treatment operation is a common treatment scheme, a stable blood power auxiliary device is used for matching the operation, wherein a heart pump for assisting the cardiac ejection function is the key point, and the relative position of the heart where the heart pump operates determines whether the operation is successful or not. In the prior art, an image positioning method is usually adopted for positioning a heart pump, but the image positioning is inaccurate under certain conditions, and the defect of unobvious imaging exists.
Disclosure of Invention
The present application has been made in view of the above and other more concepts.
One of the objects of the present application is to overcome the deficiencies of the prior art and to provide an interventional blood pump system and a method for estimating the position of an interventional blood pump system for the problems of difficult to determine the position of a blood pump when sensors fail and the problems of difficult to determine the position of a blood pump, e.g. using imaging or ultrasound techniques.
According to another aspect of the application, a method for estimating a position of an interventional blood pump system is provided, comprising the following steps during operation of the interventional blood pump system in a patient: the method comprises the following steps: receiving an induced current generated by the interventional blood pump system under the action of intracardiac blood; step two: the magnitude and/or direction of the induced current changes with operation of the interventional blood pump system, the induced current forming a time-varying periodogram with respect to time; step three: determining a target position of the interventional blood pump system in the patient according to a magnitude or a direction or a trough or a combination thereof of the induced current in the time-varying periodogram.
According to an embodiment, the induced current is received from a controller on the interventional blood pump system; the time-varying periodic diagram is a waveform diagram, and the lowest value of the induced current in each period is the trough of each fluctuation period; when the trough reaches a minimum in a time-varying periodogram, the induced current reaches a trough value and the interventional blood pump system reaches a target position.
According to an embodiment, when the lowest value of the induced current is a negative value and the induced current direction is a positive direction and a reverse direction, which occur alternately, the interventional blood pump system is located at a target position.
According to one embodiment, at least a first periodic waveform pattern and a second periodic waveform pattern appear in the time-varying periodogram; and when the first periodic waveform diagram appears, the intervention type blood pump system does not reach the target position, and when the second periodic waveform diagram appears, the intervention type blood pump system reaches the target position.
According to an embodiment, the time-varying periodogram further comprises a third periodogram; and, when a third periodic waveform pattern occurs, the interventional blood pump system has passed beyond a target position.
According to an embodiment, the interventional blood pump system comprises a blood inlet and a blood outlet; and, when the blood inlet and the blood outlet are both located in the aorta, the time-varying periodogram is a first waveform; the time-varying periodogram is a second waveform when the blood inlet is in a left ventricle and the blood outlet is in an aorta; the time-varying periodogram is a third waveform when the blood inlet and the blood outlet are both located in the left ventricle.
According to one embodiment, the lowest value of the induced current of the second periodic waveform pattern is smaller than the lowest value of the induced current of the third periodic waveform pattern, and the lowest value of the induced current of the third periodic waveform pattern is smaller than the lowest value of the induced current of the first periodic waveform pattern; and, the induced current maximum value of the second periodic waveform pattern is the smallest.
According to an embodiment, the inductor current maximum of the first periodic waveform pattern is close to the inductor current maximum of the third periodic waveform pattern.
According to an embodiment, the blood inlet is located in the left ventricle and the blood outlet is located in the aorta, and the interventional blood pump system is located at the target location.
According to an embodiment, the amplitude of the variation of the induced current of the first periodic waveform pattern is minimal.
According to an embodiment, the time-varying periodogram visually presents real-time data, waveforms, and current characteristics of the induced current, including peaks, valleys, amplitudes, frequencies, rates of change, first and second derivatives.
According to one embodiment, the method of the present invention is particularly important when medical images determine that the heart pump is not functioning significantly or other sensors used to determine location fail.
According to an embodiment, the magnitude of the change in the induced current generated by the blood inlet and the blood outlet being located in the left ventricle of the patient is larger than the magnitude of the change in the induced current generated by the blood inlet and the blood outlet being located in the aorta of the patient.
According to another aspect of the present application, an interventional blood pump system is provided comprising a blood pump, an elongated catheter, one or more sensors, and a controller.
According to one embodiment, the blood pump comprises a paddle, a housing and a motor, wherein the motor comprises a rotating shaft, an inner magnetic pole, a coil and an outer magnetic pole, and the coil and the outer magnetic pole are fixed on the housing; and the paddle, the rotating shaft and the inner magnetic pole are fixed together to form an integrated structure.
According to an embodiment, when the blood pump is driven by no current in the process of entering a human body, blood fluid generated by blood pumped by a natural heart of the human body impacts the paddle, the integrated structure rotates, the direction of a magnetic field formed by the inner magnetic pole and the outer magnetic pole is changed by the rotation of the inner magnetic pole, the magnetic field and the coil generate cutting motion, and the coil generates induction current.
According to one embodiment, the controller has a built-in analog-to-digital conversion device that converts the collected induced current into a digital signal and stores the digital signal in the controller memory.
According to an embodiment, the paddle is disposed at a distal end of the shaft.
According to one embodiment, the controller determines a current profile characteristic of the induced current and presents the current profile and its characteristics on an operator interface of the medical personnel for the medical personnel to view the patient physiological characteristics.
According to one embodiment, the controller has a judging function, and the position of the heart pump is judged in a programmed mode according to the induction current curve and the characteristic value of the induction current curve, so that the purpose of reducing judging steps of medical staff is achieved; and the system program of the controller displays corresponding adjustment measures on an operation end by combining with a specific algorithm so as to provide medical personnel for the next operation.
According to one embodiment, the motor is internally provided with a high-precision current sensor which is used for collecting driving current of the motor and induced current caused by blood fluid impact generated by pumping blood of a natural heart of a human body.
According to one embodiment, the controller has an automatic judgment function, monitors the patient in real time and judges the surgical state of the patient according to the acquired current data and a plurality of calculated characteristic values, and executes a corresponding alarm function.
Compared with the prior art, the technical scheme of the application has the advantages that at least the following steps are included:
1. the existing artificial heart pump generally judges the position of a pump body in a human body through image positioning or a sensor with a positioning function arranged outside a motor, and the image positioning is inaccurate under certain conditions and has the defect of unobvious imaging; the invention discloses a method for estimating the position of an interventional blood pump system, which comprises the steps of firstly, naturally shooting blood by a human body to push blades of the blood pump, generating induced current by the blood pump system according to an electromagnetic induction phenomenon, secondly, changing the size and/or the direction of the induced current along with the change of the position of the blood pump along with the advance of the blood pump in a blood vessel, and forming a time-varying periodic diagram relative to time by the induced current, so that an operator can judge whether the blood pump system is positioned at a target position by observing the size, the direction, the valley value and the combination of the induced current in the time-varying periodic diagram.
2. According to one concept of the present application, the time-varying periodic diagram of the present application is a waveform diagram, when the interventional blood pump system is located at different positions, positions and shapes of induced current curves of the time-varying periodic diagram are different, when a lowest value of the induced current is a negative value and the induced current direction alternately appears in a positive direction and a reverse direction, the interventional blood pump system is located at a target position, and the determination principle is as follows: when the heart of a human body is in a systolic period, the aortic valve is opened, the blood in the left ventricle is communicated with the blood in the aorta, the flowing direction of the blood is a positive direction, and the direction of the generated induced current is also the positive direction; when the heart is in diastole, the aortic valve is closed, but the aortic valve cannot be completely closed due to the fact that the blood pump crosses the aortic valve, the aortic blood pressure is larger than the left ventricular blood pressure, blood fluid flows from a high-pressure area to a low-pressure area, a slight backflow phenomenon is caused, the blades are reversed, the induced current corresponding to the motor of the blood pump is in the reverse direction, and therefore the induced current direction is the positive direction and the reverse direction alternately for a plurality of continuous and complete cardiac cycles.
3. According to one concept of the application, the interventional blood pump system comprises a blood inlet and a blood outlet, when the blood inlet and the blood outlet are both positioned in an aorta, the time-varying periodic chart is a first waveform chart, when the blood inlet is positioned in a left ventricle, the blood outlet is positioned in the aorta, the time-varying periodic chart is a second waveform chart, when the blood inlet and the blood outlet are both positioned in the left ventricle, the time-varying periodic chart is a third waveform chart, an operator can judge the first, second or third waveform chart according to the amplitude, peak, trough or other current characteristic values of induced current in the time-varying periodic chart, so that the position of a blood pump in the heart is judged, the judgment basis is very intuitive and simple, the blood pump system is percutaneously intervened, the first waveform chart appears through an aortic arch, the peak and trough of the first waveform chart are both positive numbers, and the amplitude is smaller; then a second oscillogram appears, the lowest value of the induced current is a negative value, and the direction of the induced current is a positive direction and a reverse direction which alternately appear, so that the target position is reached; if the third waveform pattern appears, the lowest value of the induced current of the third periodic waveform pattern is smaller than that of the first periodic waveform pattern, and the amplitude is larger than that of the first waveform pattern, the target position is exceeded, and the interventional blood pump system needs to be pulled towards the near end.
4. According to one concept of the present application, the time-varying periodogram visually represents real-time data, waveforms and current characteristic values of the induced current, the current characteristic values include peaks, valleys, amplitudes, frequencies, rates of change, first derivatives and second derivatives, and these data can assist medical personnel in determining the position of the blood pump in the blood vessel and can also analyze the blood pumping condition of the heart of the patient.
5. According to one concept of the application, the blood pump of the intervention type blood pump system comprises a blade, a shell and a motor, the motor comprises a rotating shaft, an inner magnetic pole, a coil and an outer magnetic pole, the blade, the rotating shaft and the inner magnetic pole are fixed together to form an integrated structure, when the blood pump is not driven by current, blood fluid generated by natural heart pumping of a human body impacts the blade, the integrated structure rotates, the rotation of the inner magnetic pole changes the direction of a magnetic field formed by the inner magnetic pole and the outer magnetic pole, the magnetic field and the coil generate cutting motion, the coil generates induction current, the blood pump can generate the induction current by utilizing the natural pumping blood of the human body under the condition that other structures are not arranged, and therefore the position of the blood pump is judged; in addition, the controller is internally provided with an analog-to-digital conversion device which converts the acquired induced current into a digital signal and stores the digital signal in the memory of the controller, and the data are backed up, so that the humanization level is high.
Embodiments of the present application are capable of achieving other advantageous technical effects not listed individually, which other technical effects may be described in part below and are anticipated and understood by those of ordinary skill in the art upon reading the present application.
Drawings
The above features and advantages and other features and advantages of these embodiments, and the manner of attaining them, will become more apparent and the embodiments of the application will be better understood by reference to the following description, taken in conjunction with the accompanying drawings, wherein:
FIG. 1 is a schematic diagram of the control logic for the method of the present invention for estimating the position of an interventional blood pump system.
Fig. 2a and 2b are schematic diagrams of the position in the heart and the corresponding first cycle waveforms when the blood pump of the present invention has not reached the target position.
Fig. 3a and 3b are schematic diagrams of the position within the heart and corresponding second periodic waveform diagrams of the blood pump of the present invention when the blood pump reaches a target position.
Fig. 4a and 4b are schematic diagrams of the position within the heart and corresponding third cycle waveforms of the blood pump of the present invention beyond the target position.
Fig. 5a to 5c are a schematic view of the whole structure and a schematic view of an integrated structure of the blood pump of the present invention.
The figures in the drawings indicate the following features:
1-blood pump, 2-paddle, 3-shell, 4-motor, 41-rotating shaft, 42-inner magnetic pole, 43-coil, 44-outer magnetic pole, 5-integrated structure, 6-blood inlet, 7-blood outlet and 8-slender catheter.
Detailed Description
The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below. Other features, objects, and advantages of the application will be apparent from the description and drawings, and from the claims.
It is to be understood that the embodiments illustrated and described are not limited in application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The illustrated embodiments are capable of other embodiments and of being practiced or of being carried out in various ways. Examples are provided by way of explanation of the disclosed embodiments, not limitation. Indeed, it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present application without departing from the scope or spirit of the disclosure. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. Accordingly, the disclosure is intended to cover such modifications and variations as fall within the scope of the appended claims and their equivalents.
Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," or "having" and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items.
The present application will be described in more detail below with reference to various embodiments and examples of several aspects of the application.
In this application, the term "proximal" or "proximal" refers to the end or side closer to the operator, and "distal" or "distal" refers to the end or side farther from the operator.
Example one
As shown in fig. 1, a method for estimating a position of an interventional blood pump system according to an embodiment of the present application is illustrated, during operation of the interventional blood pump system in a patient, an induced current generated by the interventional blood pump system under the action of intracardiac blood is received, and a magnitude and/or a direction of the induced current changes with the operation of the interventional blood pump system, the induced current forms a time-varying periodogram with respect to time, wherein the magnitude, the direction, the valley value and a combination thereof of the induced current in the time-varying periodogram may be used to determine a target position of the interventional blood pump system in the patient.
In a first embodiment, the induced current is received from a controller on the interventional blood pump system; the time-varying periodic diagram is a waveform diagram, and the lowest value of the induced current in each period is the trough of each fluctuation period; when the trough reaches a minimum in a time-varying periodogram, the induced current reaches a trough value and the interventional blood pump system reaches a target position.
In the first embodiment, when the lowest value of the induced current is a negative value and the induced current direction is a positive direction and a reverse direction, the interventional blood pump system is located at a target position, as shown in fig. 3a and 3 b.
In a first embodiment, at least a first periodic waveform diagram and a second periodic waveform diagram appear in the time-varying periodogram; and, when the first periodic waveform map occurs, the interventional blood pump system does not reach the target position, as shown in fig. 2a and 2b, and when the second periodic waveform map occurs, the interventional blood pump system reaches the target position, as shown in fig. 3a and 3 b.
In the first embodiment, the time-varying periodic diagram further includes a third periodic waveform diagram; and, when the third periodic waveform pattern occurs, the interventional blood pump system has passed the target position, as shown in fig. 4a and 4 b.
In the first embodiment, the interventional blood pump system comprises a blood inlet 6 and a blood outlet 7, as shown in fig. 5 a; and, when the blood inlet 6 and the blood outlet 7 are both located in the aorta, as shown in fig. 2a, the time varying periodogram is a first waveform, as shown in fig. 2 b; when the blood inlet 6 is located in the left ventricle and the blood outlet 7 is located in the aorta, as shown in fig. 3a, the time varying periodogram is a second waveform as shown in fig. 3 b; when the blood inlet 6 and the blood outlet 7 are both located in the left ventricle, as shown in fig. 4a, the time varying periodogram is a third waveform, as shown in fig. 4 b.
In a first embodiment, a lowest value of the induced current of the second periodic waveform diagram is smaller than a lowest value of the induced current of the third periodic waveform diagram, and the lowest value of the induced current of the third periodic waveform diagram is smaller than the lowest value of the induced current of the first periodic waveform diagram; and the highest value of the induced current of the second periodic waveform pattern is the smallest.
In this embodiment, the maximum value of the sense current of the first periodic waveform diagram is close to the maximum value of the sense current of the third periodic waveform diagram.
In this embodiment, when the blood inlet 6 is located in the left ventricle and the blood outlet 7 is located in the aorta, the interventional blood pump system is located at the target position.
In this embodiment, the variation amplitude of the induced current of the first periodic waveform pattern is the smallest.
In this embodiment, the time-varying periodogram visually represents real-time data, waveforms, and current characteristics of the induced current, including peaks, valleys, amplitudes, frequencies, rates of change, first derivatives, and second derivatives.
In the first embodiment, the variation of the induced current generated when the blood inlet 6 and the blood outlet 7 are located in the left ventricle of the patient is larger than the variation of the induced current generated when the blood inlet 6 and the blood outlet 7 are located in the aorta of the patient.
In a first embodiment, an interventional blood pump system is provided comprising a blood pump 1, an elongated catheter 8 and a controller (not shown).
In the first embodiment, the blood pump 1 includes a paddle 2, a housing 3 and a motor 4, as shown in fig. 5a and 5b, the motor 4 includes a rotating shaft 41, an inner magnetic pole 42, a coil 43 and an outer magnetic pole 44, and the coil 43 and the outer magnetic pole 44 are fixed on the housing 3; and, the paddle 2, the rotating shaft 41 and the inner magnetic pole 42 are fixed together to form an integrated structure 5, as shown in fig. 5 c.
In the first embodiment, when the blood pump is not driven by electric current during the process of entering the human body, blood fluid generated by pumping blood of the natural heart of the human body impacts the paddle 2, the integrated structure 5 rotates, the rotation of the inner magnetic pole 42 changes the direction of the magnetic field formed by the inner magnetic pole 42 and the outer magnetic pole 44, the magnetic field and the coil 43 generate cutting motion, and the coil 43 generates induced current.
In this embodiment, the controller is internally provided with a mode-to-electricity conversion device, and the mode-to-electricity conversion device converts the collected induced current into a digital signal and stores the digital signal in the memory of the controller.
In the first embodiment, the paddle 2 is disposed at the distal end of the rotating shaft 41.
In the first embodiment, the blood inlet 6 is disposed at the distal end of the paddle 2, and the blood outlet 7 is disposed at the proximal end of the paddle 2.
In a first embodiment, the controller determines a current curve characteristic of the induced current and presents the current curve and its characteristics on an operation interface of medical personnel for the medical personnel to observe physiological characteristics of the patient.
An exemplary procedure for using and controlling the heart assist system 1 of the first embodiment is as follows:
1. the blood pump 1 is delivered to the ascending aorta through the femoral artery, the descending aorta and the aortic arch by a surgical operation, as shown in fig. 2a, the blood pushes the blades 2 of the blood pump 1 to rotate, and the controller receives the induced current and shows a first periodic waveform chart, as shown in fig. 2 b;
2. continuing to push the blood pump 1 towards the far end, wherein the controller shows a second periodic waveform diagram, the induced current direction of the second periodic waveform diagram appears as the positive direction and the reverse direction alternately, and the blood pump 1 reaches the vicinity of the target position;
3. adjusting the blood pump 1 position such that the blood inlet 6 is located in the left ventricle and the blood outlet 7 is located in the aorta, as shown in fig. 3a and 3 b; if a third periodic waveform pattern occurs, the trough of the induced current being higher than the trough of the induced current of the second periodic waveform pattern, as shown in fig. 4a and 4b, the blood pump 1 is pulled proximally; if the first periodic waveform diagram appears and the amplitude of the induced current is smaller than that of the second periodic waveform diagram, pushing the blood pump 1 towards the far end;
4. the blood pump 1 is started, and the motor 4 drives the blades 2 to rotate, so that a blood pumping function is realized;
5. the controller collects current data from the motor 4 and stores it in the controller memory.
The foregoing description of several embodiments of the application has been presented for purposes of illustration. The foregoing description is not intended to be exhaustive or to limit the application to the precise configuration, construction, and/or steps disclosed, and obviously many modifications and variations are possible in light of the above teaching. It is intended that the scope of the invention and all equivalents be defined by the following claims.
Claims (13)
1. A method for estimating a position of an interventional blood pump system, characterized by: during the operation of the interventional blood pump system in a patient, comprising the steps of:
the method comprises the following steps: receiving an induced current generated by the interventional blood pump system under the influence of intracardiac blood;
step two: the induced current changes in magnitude and/or direction with operation of the interventional blood pump system, the induced current forming a time-varying periodogram with respect to time;
step three: determining a target position of the interventional blood pump system in the patient according to a magnitude or a direction or a trough or a combination thereof of the induced current in the time-varying periodogram.
2. The method for estimating the position of an interventional blood pump system according to claim 1, characterized in that: the induced current is received from a controller on the interventional blood pump system; the time-varying periodic diagram is a waveform diagram, and the lowest value of the induced current in each period is the wave trough of each fluctuation period; when the trough reaches a minimum in a time-varying periodogram, the induced current reaches a trough value and the interventional blood pump system reaches a target position.
3. The method for estimating the position of an interventional blood pump system according to claim 1 or 2, characterized in that: when the lowest value of the induced current is a negative value and the direction of the induced current is a positive direction and a reverse direction, the intervention type blood pump system is positioned at a target position.
4. The method for estimating the position of an interventional blood pump system of claim 1, characterized in that: at least a first periodic waveform pattern and a second periodic waveform pattern appear in the time-varying periodogram; and when the first periodic waveform image appears, the interventional blood pump system does not reach the target position, and when the second periodic waveform image appears, the interventional blood pump system reaches the target position.
5. The method for estimating the position of an interventional blood pump system according to claim 4, characterized in that: the time-varying periodogram further comprises a third periodogram; and, when a third periodic waveform pattern occurs, the interventional blood pump system has exceeded a target position.
6. The method for estimating the position of an interventional blood pump system according to claim 5, characterized in that: the interventional blood pump system comprises a blood inlet and a blood outlet; and, when the blood inlet and the blood outlet are both located in the aorta, the time varying periodogram is a first waveform plot; the time-varying periodogram is a second waveform when the blood inlet is in a left ventricle and the blood outlet is in an aorta; the time-varying periodogram is a third waveform when the blood inlet and the blood outlet are both located in the left ventricle.
7. The method for estimating the position of an interventional blood pump system according to claim 5 or 6, characterized in that: the lowest value of the induced current of the second periodic waveform diagram is smaller than that of the third periodic waveform diagram, and the lowest value of the induced current of the third periodic waveform diagram is smaller than that of the first periodic waveform diagram; and, the induced current maximum value of the second periodic waveform pattern is the smallest.
8. The method for estimating the position of an interventional blood pump system according to claim 4 or 5, characterized in that: the magnitude of the change in induced current of the first periodic waveform pattern is minimized.
9. The method for estimating the position of an interventional blood pump system of claim 1, characterized in that: the time-varying periodogram visually presents real-time data, waveforms, and current characteristics of the induced current, including peaks, valleys, amplitudes, frequencies, rates of change, first and second derivatives.
10. An interventional blood pump system, comprising: comprising a blood pump, an elongated catheter and a controller configured to: performing the method according to any one of claims 1-9.
11. The interventional blood pump system of claim 10, wherein: the blood pump comprises a paddle, a shell and a motor, wherein the motor comprises a rotating shaft, an inner magnetic pole, a coil and an outer magnetic pole, and the coil and the outer magnetic pole are fixed on the shell; and the paddle, the rotating shaft and the inner magnetic pole are fixed together to form an integrated structure.
12. The interventional blood pump system of claim 11, wherein: when the blood pump is driven by no current, blood fluid generated by pumping blood of a natural heart of a human body impacts the paddle, the integrated structure rotates, the direction of a magnetic field formed by the inner magnetic pole and the outer magnetic pole is changed by the rotation of the inner magnetic pole, the magnetic field and the coil generate cutting motion, and the coil generates induced current.
13. The interventional blood pump system of claim 12, wherein: the controller is internally provided with a mode-electricity conversion device which converts the collected induced current into a digital signal and stores the digital signal in the memory of the controller.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211484638.8A CN115779260A (en) | 2022-11-24 | 2022-11-24 | System and method for estimating the position of an interventional blood pump |
| PCT/CN2023/126158 WO2024109422A1 (en) | 2022-11-24 | 2023-10-24 | System and method for estimating position of interventional blood pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211484638.8A CN115779260A (en) | 2022-11-24 | 2022-11-24 | System and method for estimating the position of an interventional blood pump |
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| CN115779260A true CN115779260A (en) | 2023-03-14 |
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| CN202211484638.8A Pending CN115779260A (en) | 2022-11-24 | 2022-11-24 | System and method for estimating the position of an interventional blood pump |
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| CN (1) | CN115779260A (en) |
| WO (1) | WO2024109422A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117018434A (en) * | 2023-10-07 | 2023-11-10 | 心擎医疗（苏州）股份有限公司 | Interventional pump position determination method, interventional pump position determination device, interventional pump control device and ventricular assist device |
| CN117298443A (en) * | 2023-11-27 | 2023-12-29 | 安徽通灵仿生科技有限公司 | IABP control method and device |
| CN117919584A (en) * | 2024-03-22 | 2024-04-26 | 生命盾医疗技术(苏州)有限公司 | Intervention type heart pump abnormality early warning method and device, storage medium and electronic equipment |
-
2022
- 2022-11-24 CN CN202211484638.8A patent/CN115779260A/en active Pending
-
2023
- 2023-10-24 WO PCT/CN2023/126158 patent/WO2024109422A1/en unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117018434A (en) * | 2023-10-07 | 2023-11-10 | 心擎医疗（苏州）股份有限公司 | Interventional pump position determination method, interventional pump position determination device, interventional pump control device and ventricular assist device |
| CN117018434B (en) * | 2023-10-07 | 2023-12-26 | 心擎医疗（苏州）股份有限公司 | Interventional pump position determination method, interventional pump position determination device, interventional pump control device and ventricular assist device |
| CN117298443A (en) * | 2023-11-27 | 2023-12-29 | 安徽通灵仿生科技有限公司 | IABP control method and device |
| CN117298443B (en) * | 2023-11-27 | 2024-03-12 | 安徽通灵仿生科技有限公司 | IABP control method and device |
| CN117919584A (en) * | 2024-03-22 | 2024-04-26 | 生命盾医疗技术(苏州)有限公司 | Intervention type heart pump abnormality early warning method and device, storage medium and electronic equipment |
| CN117919584B (en) * | 2024-03-22 | 2024-05-24 | 生命盾医疗技术(苏州)有限公司 | Intervention type heart pump abnormality early warning method and device, storage medium and electronic equipment |
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| Publication number | Publication date |
|---|---|
| WO2024109422A1 (en) | 2024-05-30 |
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