Modular artificial intelligence cardiac pneumatic functional unit

By using a modular AI-powered cardiac pneumatic functional unit, the problem of poor matching between ventricular assist devices and the heart is solved, achieving stable assistance and adaptive adjustment of cardiac function, and reducing the risk of cardiac damage and complications.

CN117138223BActive Publication Date: 2025-12-05SUZHOU HEART INTELLIGENT MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202310412271.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-18
Publication Date
2025-12-05
Estimated Expiration
2043-04-18

AI Technical Summary

Technical Problem

Existing ventricular assist devices cannot perfectly match the heart, resulting in unstable connection sites, changes in heart structure, valve problems, inability to adapt to changes in heart size, and device misalignment that interferes with heart function.

Method used

The modular AI-powered cardiac pneumatic functional unit, comprising an adjustment module and a pneumatic module, is used. Through a sandwich structure consisting of a balloon, a fixing metal ring, and a navigation guidewire, it achieves modular installation and adjustment, adapting to the heart's contraction and relaxation. It is equipped with a fixation frame and guidewire lock for fixation, and the balloon assists cardiac function.

Benefits of technology

It improves the fit between the cardiac assist device and the heart, reduces cardiac deformation, lowers the risk of complications, facilitates module replacement, adapts to changes in heart size, and improves treatment outcomes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a modular artificial intelligence heart pneumatic function unit, which comprises an adjusting module and a plurality of pneumatic modules connected with the adjusting module, wherein the pneumatic module is a sandwich structure comprising an inner plate and an outer plate, the top ends of the inner plate and the outer plate are connected through a balloon, and the bottom ends are rotationally connected; a plurality of navigation guide wires and guide wire locks are mounted on the surface of the outer plate; the plurality of pneumatic modules are connected with a plurality of fixed pipes on a fixed metal ring, the fixed pipes are clamped with the top ends of the outer plates, and the fixed pipes are connected with the plurality of navigation guide wires; the adjusting module comprises an adjusting guide wire and an adjusting knob which are respectively mounted on the inside and the bottom of an adjusting rod, and the adjusting guide wire passes through the plurality of fixed pipes; the adjusting module is mounted on the outside of a heart apex cap, and the pneumatic module is clamped with the heart apex cap through a connecting plate; the modular pneumatic function unit is designed, and relevant parameters of the pneumatic function unit are adjusted, so that the pneumatic function unit is highly attached to the surface of the heart, and the best treatment effect can be achieved when the heart is assisted to contract and relax.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a modular artificial intelligence heart pneumatic function unit. BACKGROUND

[0002] Heart failure is the final destination of most cardiovascular diseases, and is a common, high medical cost and potentially fatal disease. There are usually two ways to solve the problem of heart failure in the prior art: one is drug treatment, and the other is a ventricular assist device. However, compared with drug treatment, the ventricular assist device has a significant effect, and the ventricular assist device can be divided into a ventricular blood pump and a heart power pump.

[0003] The existing heart power pump has the following problems: 1. The shape of the existing device heart sleeve cannot completely match the actual shape of the heart, resulting in a tight or suspended state at the joint; 2. The existing device pericardial pump (AdjuCor-BEAT) will make the heart become approximately triangular after long-term use, thereby changing the structure and function of the heart valve ring; 3. The heart valve of a heart failure patient is mostly problematic, and if mechanical valve replacement is performed, the pericardial pump will cause paravalvular leakage; 4. After the heart failure improves, the size of the heart will change, and the existing device cannot change with the size change of the heart; 5. When the device cannot be attached to the heart, the device will be offset, the assisted part of the heart will change, and the function of the heart will be interfered. SUMMARY

[0004] The present application overcomes the shortcomings of the prior art and provides a modular artificial intelligence heart pneumatic function unit, which aims to solve the problem of how to better attach to the heart and accurately apply force to the assisted part in the prior art, while ensuring the integrity of the heart function and structure and changing with the size change of the heart after the heart failure improves.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: a modular artificial intelligence heart pneumatic function unit, comprising an adjusting module and a plurality of pneumatic modules connected with the adjusting module,

[0006] The pneumatic module is a sandwich structure comprising an inner plate and an outer plate, the top end between the inner plate and the outer plate is connected by a balloon, and the bottom end is a rotary connection, the outer surface of the outer plate is provided with a plurality of navigation guide wires and guide wire locks; a plurality of the pneumatic modules are connected with a fixed metal ring, the fixed metal ring is provided with a plurality of fixed pipes, the fixed pipes are connected with the top end of the outer plate, and the fixed pipes are connected with a plurality of the navigation guide wires;

[0007] The adjusting module comprises an adjusting guide wire and an adjusting knob installed in the inner part and the bottom part of an adjusting rod respectively, and the adjusting guide wire passes through a plurality of the fixed pipes;

[0008] The adjusting module is mounted outside the apex cap and is arranged between the adjacent pneumatic modules, and the pneumatic modules are clamped with the apex cap through the connecting plate.

[0009] It should be noted that the connecting plate is clamped with the apex cap at the same time, and has a rotation angle of 15-35 degrees in the direction of the axis and the direction away from the axis, so as to facilitate the installation of the pneumatic module after being expanded to the maximum extent, and adapt to the contraction and diastole of the heart, and the contraction can continue in the subsequent auxiliary treatment process to meet the size of the heart after the heart failure is improved.

[0010] In a preferred embodiment of the application, the balloon is connected with a balloon catheter, and the balloon catheter penetrates through the outer plate and is connected with the total balloon catheter on the apex cap through the catheter joint.

[0011] In a preferred embodiment of the application, the balloon material is polyurethane, the wall thickness is 10-20 microns, the axial length is 20-30 mm, and the diameter is 10-15 mm, and the inner diameter of the balloon catheter is 2-3 mm.

[0012] In a preferred embodiment of the application, the diameters of the fixed metal ring, the adjusting guide wire and the navigation guide wire are 0.2-0.3 mm, the materials of the fixed metal ring and the navigation guide wire are both stainless steel, and the fixed metal ring has high elasticity. The elastic metal ring can continue to adapt to the size of the heart with improved heart function after the heart failure is improved.

[0013] In a preferred embodiment of the application, the fixed tube material is stainless steel, the inner diameter is 1.1-1.3 mm, the outer diameter is 1.9-2.1 mm, and the length is 20-40 mm.

[0014] In a preferred embodiment of the application, the number of the pneumatic modules is 3-8, and the size and shape of each pneumatic module are different. The pneumatic modules with different shapes can be highly matched with the "terrain" of the heart with heart failure, and thus better fit the heart.

[0015] Preferably, the number of the pneumatic modules is 5-6, the right ventricular contractility is smaller, and 1-2 pneumatic modules are suitable for being arranged on the surface, the left ventricular contractility is larger, and 3-5 pneumatic modules are suitable for being arranged on the surface.

[0016] In a preferred embodiment of the application, a heart rear fixing frame and a heart front fixing frame are further arranged on the pneumatic modules, and the fixing frames are used for fixing the general positions of the pneumatic modules on the heart.

[0017] In a preferred embodiment of the application, the inner plate and the outer plate are made of titanium alloy material with a thickness of 0.2-0.3 mm.

[0018] In a preferred embodiment of the present application, the total balloon catheter is connected with a control host, and the number of catheter joints is the same as the number of pneumatic modules, and the host inflates and deflates the balloon between the inner plate and the outer plate in the module through the balloon catheter, and the inner plate is pushed forward or pulled backward, to provide compensation power for the heart of heart failure.

[0019] In a preferred embodiment of the present application, the inner plate and the outer plate are made of medical stainless steel, titanium alloy or polyurethane composite material, which is suitable for the physiological environment in the human body and will not cause rejection reaction after implantation.

[0020] The present application solves the defects in the background art and has the following beneficial effects:

[0021] (1) In the present application, the functional units around the heart are divided into several modules, and several pneumatic modules with different shapes and sizes are arranged according to the corresponding heart regions, so that the inner plate can be highly attached to the surface of the heart after the balloon is inflated; a fixing frame is arranged at the bottom end of the pneumatic module, which can fix the position of the pneumatic module in the vertical direction of the heart during installation and use, and the pneumatic module and the apical cap are rotatably connected to facilitate the installation of the device on the outside of the heart after expansion, and then shrink and attach to the surface of the heart; at the same time, after the outer plate is fixed, the inner plate and the outer plate are rotatably connected, which can rotate with the inflation and deflation of the balloon, and is completely synchronized with the systole and diastole rhythm of the heart, further improving the fit of the artificial intelligent heart functional unit with the irregular heart, reducing the deformation and function influence of the heart due to different shapes, and achieving the best auxiliary effect.

[0022] (2) In the present application, the pneumatic module, the fixed metal ring, the apical cap and the total balloon catheter are all clamped, and when the components in the functional unit work in the liquid environment in the body for a long time, aging may occur, the single module can be disassembled and replaced, and since the parts are small, only minimally invasive replacement is needed during replacement, which is convenient and fast, and causes less secondary damage to the patient's body.

[0023] (3) In the present application, a fixed navigation system is also provided, which adjusts the circumference of the pneumatic module through a knob, so that it is adapted to the size of the autologous heart, and each module can be very firmly fixed in the corresponding position through a guide wire lock to prevent displacement during heart assistance; when the heart failure symptoms improve, the circumference of the pneumatic module can be adjusted again through the knob, so that it is matched with the reduced heart, improves the heart assistance effect during the whole treatment process and after the treatment, and at the same time, the heart function of the heart failure patient is restored to normal, and the myocardial damage is significantly recovered.

[0024] (4) the pneumatic module is provided with a balloon, when the heart contracts, the balloon is inflated through a catheter penetrating out of the module, under the support of the outer plate, the balloon expands to the heart chamber, assisting the heart to contract; when the heart relaxes, the balloon is deflated through the catheter penetrating out of the module, so that a negative pressure is formed between the inner plate and the outer surface of the heart, promoting the heart to fully relax, thereby partially replacing the function of the heart with heart failure and improving the blood pumping capacity of the heart; meanwhile, all the components of the application are located between the outer surface of the heart and the pericardium, the damage to the structure in the heart is reduced, and meanwhile, no part is in direct contact with the blood, reducing the probability of complications such as bleeding, thrombosis and heat production in the body. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0026] Figure 1 is a perspective view of the preferred embodiment of the present application;

[0027] Figure 2 is a structural view of the pneumatic module of the preferred embodiment of the present application;

[0028] In the figure: 1, pneumatic module; 2, fixed tube; 3, navigation guide wire; 4, guide wire lock; 5, balloon catheter; 6, apex cap; 7, total balloon catheter; 8, adjusting knob; 9, adjusting rod; 10, adjusting guide wire; 11, fixed metal ring; 12, inner plate; 13, balloon; 14, connecting plate; 15, outer plate; 16, adjusting module; 17, catheter joint; 18, rotating shaft. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0030] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.

[0031] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0032] In the description of the present application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0033] As shown in Figure 1 A perspective view of a modular artificial intelligence heart pneumatic functional unit, comprising an adjusting module 16 and 3-8 pneumatic modules 1 connected with the adjusting module 16, and the shape and size of the pneumatic modules 1 are all different, a plurality of pneumatic modules 1 are connected with a high-elasticity stainless steel fixed metal ring 11 with a diameter of 0.2-0.3 mm, a plurality of stainless steel fixed pipes 2 with an inner diameter of 1.1-1.3 mm, an outer diameter of 1.9-2.1 mm and a length of 20-40 mm are arranged on the fixed metal ring 11, the fixed pipes 2 are clamped with the top end of an outer plate 15, a plurality of navigation guide wires 3 and guide wire locks 4 are arranged on the surface of the outer plate 15, and the fixed pipes 2 are connected with a plurality of stainless steel navigation guide wires 3 with a diameter of 0.2-0.3 mm.

[0034] The adjusting module 16 comprises an adjusting guide wire 10 and an adjusting knob 8 arranged inside and at the bottom of an adjusting rod 9 respectively, the adjusting guide wire 10 has a diameter of 0.2-0.3 mm and passes through a plurality of fixed pipes 2, and the adjusting module 16 is arranged outside a heart apex cap 6 and between adjacent pneumatic modules 1, and the pneumatic modules 1 are clamped with the heart apex cap 6 through a connecting plate 14.

[0035] As shown in Figure 2As shown in the figure, a modular artificial intelligence heart pneumatic function unit pneumatic module structure diagram, wherein the pneumatic module 1 is a sandwich structure, including the inner plate 12 and the outer plate 15, the thickness of the inner plate 12 and the outer plate 15 is 0.2-0.3mm, the top end of the inner plate 12 and the outer plate 15 is connected through the balloon 12, the bottom end is connected through the rotating shaft 17, and the inner plate 12 and the outer plate 15 are composed of medical plastics, titanium alloy or polyurethane composite material.

[0036] The balloon 13 is connected with a balloon catheter 5, and the balloon catheter 5 penetrates through the outer plate 15 and is connected with the total balloon catheter 7 on the apex cap 6 through the catheter joint 17, wherein the material of the balloon 13 is polyurethane, the wall thickness is 10-20um, the axial length is 20-30mm, the diameter is 10-15mm, and the inner diameter of the balloon catheter is 2-3mm.

[0037] The application includes the following steps when implemented:

[0038] S1, a minimally invasive incision is made on the left anterior chest wall about 5cm, the pericardium is incised, and the heart is exposed;

[0039] S2, implanting an artificial intelligence heart (AIH) navigation fixing system, and fixing the fixing tube in the corresponding functional part;

[0040] S3, different modules are placed in the pericardium along the corresponding track one by one, and are fixed and locked;

[0041] S4, connecting the total air pipe of the AIH in-vivo unit with the external host computer;

[0042] S5, starting the equipment, starting to work, and observing the changes of various indexes of heart function;

[0043] S6, the indexes of heart function, such as LVEF, BP, SaO2 and LVDP, are close to or within the normal range, so that the equipment is determined to be effective.

[0044] In the application, the function unit of the pericardium is divided into several modules, and several pneumatic modules with different shapes and sizes are arranged according to the corresponding heart region, so that the inner plate can be highly attached to the surface of the heart after the balloon is inflated; the fixing frame is arranged at the bottom end of the pneumatic module, which can fix the position of the pneumatic module in the vertical direction of the heart during installation and use, and the pneumatic module and the apex cap are rotatably connected to facilitate the installation of the device on the outside of the heart after expansion and the attachment of the device on the surface of the heart after contraction; meanwhile, after the outer plate is fixed, the inner plate and the outer plate are rotatably connected and can rotate with the inflation and deflation of the balloon to meet the expansion and contraction rules of the heart, further improve the fitting degree of the in-vivo function unit of the artificial intelligence heart and the irregular heart, reduce the deformation and function influence of the heart caused by different shapes, and achieve the best auxiliary effect.

[0045] The pneumatic module is detachably connected with the fixed metal ring, the apex cap and the total balloon catheter, and when the components in the functional unit are aged after long time work in the liquid environment in the body, the single module can be disassembled and replaced, and since the parts are small, only minimally invasive replacement is needed, which is convenient and fast and causes less secondary damage to the patient's body.

[0046] The fixed navigation system is arranged in the application, the circumference of the pneumatic module is adjusted by the knob to adapt to the size of the heart, and each module is fixed in the corresponding position by the guide wire lock to prevent displacement during the heart assistance, the circumference of the pneumatic module is adjusted by the knob again to match the heart after the size of the heart is reduced when the heart failure symptom is improved, the heart assistance effect during the treatment and after the treatment is improved, and the myocardial injury is significantly recovered when the heart function of the heart failure patient is recovered.

[0047] The balloon is arranged in the pneumatic module, the balloon is inflated by the control of the host through the catheter when the heart contracts, the balloon expands to the ventricle direction under the support of the outer plate to assist the heart contraction, the balloon is deflated through the catheter when the heart relaxes, the negative pressure is formed between the inner plate and the outer surface of the heart to promote the heart to fully relax, the function of the heart failure heart is partially replaced, and the heart pumping capacity is improved, all the parts of the application are located between the outer surface of the heart and the pericardium, the damage degree of the structure in the heart is reduced, and no part is directly contacted with the blood, so the probability of the complications such as bleeding, thrombus and heat production in the body is reduced.

[0048] According to the above ideal embodiments of the application, the related personnel can make various changes and modifications without deviating from the technical idea of the application. The technical scope of the application is not limited to the content in the specification, and must be determined according to the scope of claims.

Claims

1. A modular artificial intelligence heart aerodynamic functional unit, comprising an adjusting module and a plurality of aerodynamic modules connected with the adjusting module, characterized in that, the aerodynamic module is a sandwich structure, comprising an inner plate and an outer plate, the top end of the inner plate and the outer plate is connected by a balloon, and the bottom end is a rotary connection, the outer surface of the outer plate is provided with a plurality of navigation guide wires and guide wire locks; a plurality of the aerodynamic modules are connected with a fixed metal ring, the fixed metal ring is provided with a plurality of fixed tubes, the fixed tubes are clamped with the top end of the outer plate, and the fixed tubes are connected with a plurality of the navigation guide wires; wherein the size and shape of each aerodynamic module are different; the adjusting module comprises an adjusting guide wire and an adjusting knob installed in the inner part and the bottom of an adjusting rod respectively, the adjusting guide wire passes through a plurality of the fixed tubes; the adjusting module is installed outside a heart apex cap and is arranged between adjacent aerodynamic modules, and the aerodynamic modules are clamped with the heart apex cap through a connecting plate.

2. The modular artificial intelligent cardio-aerobics functional unit according to claim 1, characterized in that: the balloon is connected with a balloon catheter, and the balloon catheter penetrates through the outer plate and is connected with a total balloon catheter on the heart apex cap through a catheter joint.

3. The modular artificial intelligent cardio-aerobics functional unit according to claim 2, characterized in that: the balloon material is polyurethane, the wall thickness is 10-20 μm, the axial length is 20-30 mm, the diameter is 10-15 mm, and the inner diameter of the balloon catheter is 2-3 mm.

4. The modular artificial intelligent cardio-aerobics functional unit according to claim 1, wherein: the diameter of the fixed metal ring, the adjusting guide wire and the navigation guide wire is 0.2-0.3 mm, and the materials of the fixed metal ring and the navigation guide wire are stainless steel or titanium alloy, and the fixed metal ring has high elasticity.

5. The modular artificial intelligent cardio-aerobics functional unit according to claim 1, wherein: the fixed tube material is stainless steel, the inner diameter is 1.1-1.3 mm, the outer diameter is 1.9-2.1 mm, and the length is 20-40 mm.

6. The modular artificial intelligent cardio-aerobics functional unit according to claim 1, wherein: the number of the plurality of aerodynamic modules is 3-8.

7. The modular artificial intelligent cardio-aerobics functional unit according to claim 1, wherein: a heart rear fixing frame and a heart front fixing frame are further arranged on the plurality of aerodynamic modules.

8. The modular artificial intelligent cardio-aerobics functional unit according to claim 1, wherein: the thickness of the inner plate and the outer plate is 0.2-0.3 mm.

9. The modular artificial intelligent cardio-aerobics functional unit according to claim 2, characterized in that: the total balloon catheter is connected with a control host computer, and the number of the catheter joint is the same as the number of the aerodynamic modules.

10. The modular artificial intelligent cardio-aerobics functional unit according to claim 3, characterized in that: the inner plate and the outer plate are composed of medical stainless steel, titanium alloy or polyurethane composite material.

Citation Information

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