A manual and automatic integrated blood pump drive device

Abstract

The present application relates to a manual and automatic integrated blood pump drive device, comprising: an automatic drive component, a manual drive component and a permanent magnet coupling drive component. The permanent magnet coupling drive component includes a permanent magnet coupling drive unit, and the automatic unidirectional drive unit and the manual unidirectional drive unit are connected to the permanent magnet coupling drive unit together, so that the automatic unidirectional drive unit drives the permanent magnet coupling drive unit to move in one direction when there is power, and the manual unidirectional drive unit drives the permanent magnet coupling drive unit to move in one direction when there is no power. Therefore, there is no need to manually replace the manual blood pump drive source device, and the blood pump drive source device can be driven by directly manually driving the manual unidirectional drive unit. This not only saves rescue work time, but also prevents insufficient blood supply to the injured person, thus avoiding secondary damage and major medical accidents.

Description

Technical Field

[0001] The present application relates to the field of extracorporeal oxygenation equipment, and in particular to a manual and automatic integrated blood pump drive device. Background Art

[0002] Currently, a common extracorporeal oxygenator is the ECMO (extracorporeal membrane oxygenation) system, which primarily provides oxygen through membrane oxygenation outside the body. If a patient has respiratory failure, poor lung function, or no lung exchange function, or if their heart is failing and unable to pump blood, an artificial extracorporeal membrane oxygenator can replace the heart and lungs to provide oxygen.

[0003] However, the traditional ECMO system in China is powered by a blood pump drive device. The blood pump drive device is an electric drive device and does not have an integrated manual drive function. Therefore, in an emergency power outage, it is impossible to quickly switch the working mode from electric drive to manual drive. After the power outage, the manual blood pump drive source device can only be replaced as quickly as possible. This manual replacement method not only delays rescue work time, but also the insufficient blood supply to the injured person may cause secondary damage and even lead to major medical accidents. Summary of the Invention

[0004] The present application provides a manual and automatic integrated blood pump drive device to solve the problem that the non-manual replacement method not only delays the rescue work time, but also the insufficient blood supply to the injured person may cause secondary damage and even lead to major medical accidents.

[0005] The present application provides a manual and automatic integrated blood pump drive device, comprising: an automatic drive component, a manual drive component, and a permanent magnetic coupling drive component, wherein the automatic drive component and the manual drive component are jointly connected to the permanent magnetic coupling drive component;

[0006] The automatic drive assembly includes an automatic unidirectional drive unit and a drive unit, and the automatic unidirectional drive unit is connected to the permanent magnet coupling drive assembly;

[0007] The manual drive assembly includes a manual one-way drive unit, and the manual one-way drive unit is connected to the permanent magnet coupling drive assembly;

[0008] The permanent magnet coupling drive assembly includes a permanent magnet coupling drive unit, and the automatic one-way drive unit and the manual one-way drive unit are connected to the permanent magnet coupling drive unit together, so that when there is power, the automatic one-way drive unit drives the permanent magnet coupling drive unit to move in one direction, and when there is no power, the manual one-way drive unit drives the permanent magnet coupling drive unit to move in one direction.

[0009] Optionally, the manual one-way drive unit includes a first overrunning clutch, a low-speed wheel, a first commutator and an accelerator, the low-speed wheel is sleeved on the outer wall of the first overrunning clutch, the first commutator is connected to an external drive source, the low-speed wheel is rotationally connected to the accelerator, and the accelerator is rotationally connected to the permanent magnet coupling drive unit.

[0010] Optionally, the manual drive assembly further includes a manual drive unit, and the manual drive unit is connected to the manual one-way drive unit.

[0011] Optionally, the manual drive unit includes a connecting shaft, a handle and a second commutator, the handle is connected to the connecting shaft, the first commutator is connected to the second commutator, and the commutator is connected to the acceleration member.

[0012] Optionally, the manual drive assembly further includes a gear pair and a speed measuring component, the accelerator is provided with a low-speed input shaft and a high-speed output shaft, the low-speed input shaft is connected to the low-speed wheel, the high-speed output shaft is respectively connected to the permanent magnet coupling drive unit and the gear pair, and the gear pair is connected to the speed measuring component.

[0013] Optionally, the automatic one-way drive unit includes a second overrunning clutch, an output shaft gear and a direction-changing idler gear, the output shaft gear is sleeved on the second overrunning clutch, the second overrunning clutch is sleeved on the high-speed output shaft of the manual one-way drive unit, the high-speed output shaft of the manual one-way drive unit is connected to the permanent magnet coupling drive unit, the output shaft gear is meshed with the direction-changing idler gear, and the direction-changing idler gear is meshed with the output gear of the DC brushless motor.

[0014] Optionally, the driving unit further includes the first driving member and a DC brushless motor output gear, and the first driving member is connected to the DC brushless motor output gear.

[0015] Optionally, the permanent magnet coupling drive unit includes an output shaft and a permanent magnet coupling drive, the automatic drive assembly and the manual drive assembly are commonly connected to the output shaft, and the output shaft is connected to the permanent magnet coupling drive.

[0016] Optionally, a fixed shell is further included, the automatic drive component and the manual drive component are arranged in the fixed shell, the fixed shell is provided with a through hole, and the permanent magnetic coupling drive unit extends out of the through hole.

[0017] Optionally, a fixed blood pump component is further included, and the connecting member is arranged on the fixed shell and corresponds to the through hole, so that the permanent magnetic coupling driver unit is connected to the blood pump in a contactless manner.

[0018] The present application includes a permanent magnet coupling drive unit through the permanent magnet coupling drive assembly, and the automatic one-way drive unit and the manual one-way drive unit are connected to the permanent magnet coupling drive unit together, so that the automatic one-way drive unit drives the permanent magnet coupling drive unit to move in one direction when there is power, and the manual one-way drive unit drives the permanent magnet coupling drive unit to move in one direction when there is no power. Therefore, there is no need to manually replace the manual blood pump drive source device, and the blood pump drive source device can be driven by directly manually driving the manual one-way drive unit. This not only saves rescue work time, but also prevents insufficient blood supply to the injured person, thereby avoiding secondary damage and major medical accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0021] Figure 1 A schematic diagram of a manual and automatic integrated blood pump drive device provided in an embodiment of the present application;

[0022] Figure 2 A specific schematic diagram of a permanent magnetic coupling drive unit of a manual and automatic integrated blood pump drive device provided in an embodiment of the present application.

[0023] The following are the names and numbers of the main components:

[0024] Automatic drive assembly 200, automatic one-way drive unit 210, second overrunning clutch 211, output shaft gear 212, direction-changing idler gear 213, first drive member 222, DC brushless motor output gear 221;

[0025] Manual drive assembly 100, manual one-way drive unit 110, first overrunning clutch 111, low-speed wheel 112, accelerator 113, manual drive unit 120, connecting shaft 125, handle 121, first commutator 115, second commutator 122, gear pair 130, speed measuring element 140, low-speed input shaft 123, high-speed output shaft 124;

[0026] Permanent magnetic coupling drive assembly 300 , permanent magnetic coupling drive unit 310 , output shaft 311 , permanent magnetic coupling drive member 312 , fixed shell 320 , and fixed blood pump component 313 . DETAILED DESCRIPTION

[0027] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0028] Currently, ECMO can be applied to a variety of acute and severe heart failure and respiratory failure. As of 2019, there were approximately 365 ECMO centers in China, performing 6,526 ECMO treatments. It is conservatively estimated that the domestic market size exceeds 1 billion yuan per year and is growing rapidly. With the improvement of medical standards, the application of ECMO will continue to expand, and it has broad market prospects. However, the power source of traditional domestic ECMO systems is an electric drive device, and there is no integrated manual drive function. Therefore, in the event of an emergency power outage, it is impossible to quickly switch from electric drive to manual drive mode. After the power outage, the only option is to replace the manual blood pump drive source device as quickly as possible. This not only delays rescue work time, but also causes insufficient blood supply to the injured person, which may cause secondary damage and even lead to major medical accidents. Based on this, the present invention comprehensively considers the normal working electric drive design and the emergency manual drive design, and invents a manual and automatic integrated blood pump drive device for use in ECMO systems. While maintaining the electric drive, the present invention couples the manual drive mechanism design to provide the ECMO system with the functions of a manual and automatic integrated blood pump drive device, effectively avoiding the problem of insufficient blood pump power source in the ECMO system in an emergency.

[0029] like Figure 1As shown, the present application provides a manual and automatic integrated blood pump drive device, including: an automatic drive component 200, a manual drive component 100 and a permanent magnet coupling drive component 300, the automatic drive component 200 and the manual drive component 100 are connected to the permanent magnet coupling drive component 300, the automatic drive component 200 includes an automatic unidirectional drive unit 210 and a drive unit, the automatic unidirectional drive unit 210 is connected to the permanent magnet coupling drive component 300, the manual drive component 100 includes a manual unidirectional drive unit Element 110, the manual one-way drive unit 110 is connected to the permanent magnetic coupling drive assembly 300, and the permanent magnetic coupling drive assembly 300 includes a permanent magnetic coupling drive unit 310. The automatic one-way drive unit 210 and the manual one-way drive unit 110 are both connected to the permanent magnetic coupling drive unit 310, so that when power is applied, the automatic one-way drive unit 210 unidirectionally drives the permanent magnetic coupling drive unit 310 to move, and when power is not applied, the manual one-way drive unit 110 unidirectionally drives the permanent magnetic coupling drive unit 310 to move. Thus, there is no need to manually replace the manual blood pump drive source device, and the blood pump drive source device can be driven directly by manually driving the manual one-way drive unit 110. This not only saves rescue time, but also prevents insufficient blood supply to the injured person, thus avoiding secondary injuries and major medical accidents.

[0030] Optionally, the automatic one-way drive unit 210 and the manual one-way drive unit 110 are both single-phase outputs, that is, when the automatic one-way drive unit 210 is powered on, it only drives the permanent magnet coupling drive unit 310 to move, and the manual one-way drive unit 110 will not work. When there is no electricity, the automatic one-way drive unit 210 stops working. At this time, it is necessary to manually drive the manual one-way drive unit 110, which drives the permanent magnet coupling drive unit 310 to move, thereby realizing manual driving of the permanent magnet coupling drive unit 310 to move when there is no electricity, and will not delay the rescue work time. Moreover, the manual and automatic integrated design makes the device smaller in size and lighter in weight, and has two working modes of electric drive and hand-crank drive in both power-on and power-off conditions. Both manual and electric can keep the drive head rotating clockwise, and the manual end does not operate when electric, relying on the internal one-way bearing.

[0031] In one embodiment, the manual one-way drive unit 110 includes a first overrunning clutch 111, a low-speed wheel 112, a first commutator 115 and an accelerator 113. The low-speed wheel 112 is sleeved on the outer wall of the first overrunning clutch 111, that is, the first overrunning clutch 111 and the low-speed wheel 112 are key-connected, the first commutator 115 is connected to an external drive source, the low-speed wheel 112 is rotationally connected to the accelerator 113, and the accelerator 113 is rotationally connected to the permanent magnet coupling drive unit 310. Optionally, the low-speed wheel 112 is designed with a one-way function. That is, when the automatic one-way drive unit 210 is in operation, the first overrunning clutch 111 is disengaged from the low-speed wheel 112, so that the accelerator 113 does not operate. That is, the low-speed wheel 112 moves in one direction. When the first overrunning clutch 111 is driven to rotate in the first direction, the low-speed wheel 112 is driven to move, causing the accelerator 113 to operate and drive the permanent magnetic coupling drive unit 310 to move. Under the action of magnetic coupling, the permanent magnetic coupling drive unit 310 drives the magnetic wheel inside the blood pump to rotate, providing a stable driving force for the blood pump. In the event of a power failure, a backup solution is provided for manually driving the blood pump, so that the product has both electric drive capability and manual drive capability in an emergency.

[0032] In one embodiment, the manual drive assembly 100 further includes a manual drive unit 120, which is connected to the manual unidirectional drive unit 110. Optionally, the manual drive unit 120 includes a connecting shaft 125, a handle 121, and a second commutator 122, wherein the handle 121 is connected to the connecting shaft 125, the first commutator 115 is connected to the second commutator 122, and the second commutator 122 is connected to the accelerator 113. Specifically, the handle 121 is rotated in the first direction to drive the connecting shaft 125 to rotate, and the connecting shaft 125 drives the first overrunning clutch 111 to rotate. The first overrunning clutch 111 causes the low-speed wheel 112 to rotate, and the low-speed wheel 112 drives the accelerator 113 to work, wherein the manual input speed is first increased through two commutators at the same time, completing a speed increase from the manual input speed to the input shaft at the low-speed end of the accelerator 113, and the speed increase ratio is 1:2. After the manual speed is increased by 2 times, the low-speed end wheel drives the input shaft at the low-speed end of the accelerator 113 to rotate, and the manual input speed is increased for the second time through the accelerator 113. The speed ratio of the input shaft at the low-speed end of the accelerator 113 and the output shaft 311 at the high-speed end of the accelerator 113 is 1:28, thereby driving the permanent magnet coupling drive unit 310 to rotate at high speed.

[0033] In one embodiment, the manual drive assembly 100 further includes a gear pair 130 and a speed measuring element 140. The accelerator 113 is provided with a low-speed input shaft 123 and a high-speed output shaft 124. The low-speed input shaft 123 is connected to the low-speed wheel 112, and the high-speed output shaft 124 is respectively connected to the permanent magnetic coupling drive unit 310 and the gear pair 130. The gear pair 130 is connected to the speed measuring element 140. By monitoring the rotational speed of the gears, the final rotational speed of the permanent magnetic coupling drive unit 310 is determined. The rotational speed of the permanent magnetic coupling drive unit 310 can be adjusted at any time based on the detected rotational speed, ensuring normal operation of the permanent magnetic coupling drive unit 310. Optionally, when the drive handle 121 is rotated in a first opposite direction, the first overrunning clutch 111 is disengaged, the accelerator 113 is deactivated, and the speed measuring element 140 and the commutator are deactivated.

[0034] In one embodiment, the automatic one-way drive unit 210 includes a second overrunning clutch 211, an output shaft gear 212, and a direction-changing idler gear 213. The output shaft gear 212 is mounted on the second overrunning clutch 211, and the second overrunning clutch 211 is mounted on the high-speed output shaft 124 of the manual one-way drive unit 110. The high-speed output shaft 124 of the manual one-way drive unit 110 is connected to the permanent magnetic coupling drive member 312. The output shaft gear 212 is meshed with the direction-changing idler gear 213, and the direction-changing idler gear 213 is meshed with the DC brushless motor output gear 221. Under normal power supply conditions, current drives torque transmission between the DC brushless motor output gear 221, the direction-changing idler gear 213, and the output shaft gear 212, driving the permanent magnetic coupling drive unit 310 to rotate. Under the action of magnetic coupling, the magnetic wheel inside the blood pump rotates. Under the action of eddy current and centrifugal force, blood is pushed forward outside the human body, acting as a substitute for the human heart and achieving extracorporeal blood pumping function. The output shaft gear 212 is designed with a one-way function, that is, it can only rotate in one direction, so that when there is no power, the electric drive assembly will not work. When the DC brushless motor is working normally, the accelerator 113 does not operate, ensuring that the normal power supply working mode has no effect on the hand-cranked drive input end of the no-power supply working mode. Optionally, under manual or electric working conditions, the permanent magnet coupling drive unit 310 is designed to have a consistent rotation direction, that is, the permanent magnet coupling drive unit 310 can only rotate in the same reverse direction to ensure the pumping direction of the blood pump and achieve the goal of stable and continuous operation of the blood pump under different working conditions.

[0035] Optionally, the automatic drive assembly 200 further includes a first drive member 222 and a brushless DC motor output gear 221. The first drive member 222 is connected to the brushless DC motor output gear 221, and the brushless DC motor output gear 221 is meshed with the direction-changing idler gear 213. Specifically, the first drive member 222 can be a brushless DC motor. When the first drive member 222 is energized, the brushless DC motor output gear 221 is driven to rotate, thereby causing the direction-changing idler gear 213 and the output shaft gear 212 to rotate in sequence.

[0036] In one embodiment, the permanent magnet coupling drive unit 310 includes an output shaft 311 and a permanent magnet coupling drive member 312. The automatic drive assembly 200 and the manual drive assembly 100 are commonly connected to the output shaft 311, and the output shaft 311 is connected to the permanent magnet coupling drive member 312. Optionally, the first drive member 222 or the handle 121 is used as a power source to drive the output shaft 311 to rotate, thereby driving the permanent magnet coupling drive member 312 to rotate, thereby driving the internal magnetic wheel of the blood pump to rotate and complete the extracorporeal blood pumping work. The permanent magnet coupling drive member 312 is axially fixed to the output shaft by screws, and is circumferentially fixed by connecting the outer ring of the second overrunning clutch 211 with the inner hole key of the output shaft gear 212, and dynamic balancing is performed to ensure the high-speed rotation stability of the permanent magnet coupling drive member 312. The magnetic rear chamber inside the blood pump is magnetically coupled to the permanent magnetic coupling driver 312 with a non-contact connection. In the power-on working mode or the hand-crank working mode, the output shaft drives the permanent magnetic coupling driver 312 to rotate. Under the action of the magnetic force, the magnetic wheel inside the blood pump is driven to rotate. The centrifugal force and pressure difference generated push the blood forward to complete the blood pumping function.

[0037] like Figure 1 and Figure 2 As shown, in one embodiment, it further includes a fixed shell 320, and the automatic drive component 200 and the manual drive component 100 are arranged in the body of the fixed shell 320. The fixed shell 320 is provided with a through hole, and the permanent magnetic coupling drive component 312 extends out of the through hole. Optionally, it also includes a fixed blood pump component 313, and the connecting member is arranged on the fixed shell 320 and corresponds to the through hole, so that the permanent magnetic coupling drive component 312 is contactlessly connected to the blood pump. Optionally, the entire skeleton of the permanent magnetic coupling drive component 312 is made of polyphenylene sulfide PPS, which has outstanding thermal stability and is flame retardant. It has excellent creep resistance and electrical insulation properties, good dimensional stability, low water absorption, easy processing, good adhesion to metals and inorganic materials, and resistance to chemical corrosion. In order to ensure the head induction strength of the permanent magnet coupling driver 312, 6 pairs of neodymium iron boron magnets are selected, with a magnetic induction strength of up to 500Gs. At the same time, a two-component resin potting glue is used to pot the magnets and the permanent magnet coupling driver 312 to ensure that the magnets are firm and protect the magnets from corrosion.

[0038] Optionally, the permanent magnet coupling driver 312 is installed inside the fixed shell 320 by screws, and completely extends out of the fixed shell 320. A fixed blood pump component 313 is installed between the permanent magnet coupling driver 312 and the blood pump. The component that fixes the blood pump is installed on the outer shell of the chassis 12 by screws to achieve a contactless connection between the permanent magnet coupling driver 312 and the blood pump.

[0039] This application designs the mechanism to be lightweight and miniaturized while ensuring strength. The fixed shell 320 is designed with aluminum alloy and is designed to be lightweight. Some gears inside the fixed shell 320 are made of engineering plastics. While reducing the weight of the mechanism, the operating noise of the device is reduced. After the device is three-dimensionally designed and given material properties, the estimated weight of the mechanism is 2kg-2.8kg.

[0040] This application couples electric drive and manual drive to design a manual-automatic drive mechanism for providing a driving source for the blood pump in the ECMO system. It realizes that the blood pump can be driven by the DC brushless motor inside the device, and can also be driven in the manual working mode. During manual drive, the speed can reach the same working speed as the electric drive after the speed is increased inside the device. At the same time, under the action of the first overrunning clutch 111 and the second overrunning clutch 211, the consistency of the rotation direction of the permanent magnet coupling drive part 312 in the electric drive or manual drive working mode is guaranteed, and the output speed of the mechanism is monitored in the manual working mode.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0042] The foregoing description is intended only to provide specific embodiments of the present invention, which will enable those skilled in the art to understand and implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not intended to be limited to the embodiments shown herein, but is intended to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A manual and automatic integrated blood pump drive device, characterized in that: include: An automatic drive component, a manual drive component, and a permanent magnet coupling drive component, wherein the automatic drive component and the manual drive component are connected to the permanent magnet coupling drive component; The automatic drive assembly includes an automatic unidirectional drive unit and a drive unit, and the automatic unidirectional drive unit is connected to the permanent magnet coupling drive assembly; The manual drive assembly includes a manual one-way drive unit, and the manual one-way drive unit is connected to the permanent magnet coupling drive assembly; The permanent magnet coupling drive assembly includes a permanent magnet coupling drive unit, and the automatic one-way drive unit and the manual one-way drive unit are commonly connected to the permanent magnet coupling drive unit, so that when there is power, the automatic one-way drive unit drives the permanent magnet coupling drive unit to move in one direction, and when there is no power, the manual one-way drive unit drives the permanent magnet coupling drive unit to move in one direction; the permanent magnet coupling drive unit includes an output shaft and a permanent magnet coupling drive member, the automatic drive assembly and the manual drive assembly are commonly connected to the output shaft, and the output shaft is connected to the permanent magnet coupling drive member; The manual one-way drive unit includes a first overrunning clutch, a low-speed wheel, a first commutator and an accelerator. The low-speed wheel is sleeved on the outer wall of the first overrunning clutch, the first commutator is connected to an external drive source, the low-speed wheel is rotationally connected to the accelerator, and the accelerator is rotationally connected to the permanent magnet coupling drive unit; the manual drive assembly also includes a gear pair and a speed measuring part, the accelerator is provided with a low-speed input shaft and a high-speed output shaft, the low-speed input shaft is connected to the low-speed wheel, the high-speed output shaft is respectively connected to the permanent magnet coupling drive unit and the gear pair, and the gear pair is connected to the speed measuring part.

2. The manual and automatic integrated blood pump drive device according to claim 1, characterized in that: The manual drive assembly further includes a manual drive unit connected to the manual one-way drive unit.

3. The manual and automatic integrated blood pump drive device according to claim 2, characterized in that: The manual drive unit includes a connecting shaft, a handle, and a second commutator. The handle is connected to the connecting shaft, the first commutator is connected to the second commutator, and the second commutator is connected to the accelerator.

4. The manual and automatic integrated blood pump drive device according to claim 1, characterized in that: The driving unit further includes a first driving member and a DC brushless motor output gear, and the first driving member is connected to the DC brushless motor output gear.

5. The manual and automatic integrated blood pump drive device according to claim 4, characterized in that: The automatic one-way drive unit includes a second overrunning clutch, an output shaft gear and a direction-changing idler gear. The output shaft gear is sleeved on the second overrunning clutch. The second overrunning clutch is sleeved on the high-speed output shaft of the manual one-way drive unit. The high-speed output shaft of the manual one-way drive unit is connected to the permanent magnet coupling drive component. The output shaft gear is meshed with the direction-changing idler gear. The direction-changing idler gear is meshed with the output gear of the DC brushless motor.

6. The manual and automatic integrated blood pump drive device according to any one of claims 1 to 5, characterized in that: It also includes a fixed shell, the automatic drive component and the manual drive component are arranged in the fixed shell, the fixed shell is provided with a through hole, and the permanent magnetic coupling drive component extends out of the through hole.

7. The manual and automatic integrated blood pump drive device according to claim 6, characterized in that: It also includes a fixed blood pump component, and a connecting piece is arranged on the fixed shell and corresponds to the through hole, so that the permanent magnetic coupling driving piece is connected to the blood pump in a contactless manner.

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