Portable artificial heart simulation test device

Abstract

The utility model discloses a portable artificial heart simulation test device, which relates to the technical field of medical instruments and comprises a base, a left ventricular cavity simulation component, an aortic cavity simulation component and a left atrial cavity simulation component, and a flow channel for sequentially communicating the left ventricular cavity simulation assembly, the aortic cavity simulation assembly and the left atrial cavity simulation assembly is formed in the base. The left ventricular cavity simulation assembly, the aorta cavity simulation assembly and the left atrial cavity simulation assembly can be installed on the base in a detachable connection mode for use. During transportation, the left ventricular cavity simulation assembly, the aorta cavity simulation assembly and the left atrial cavity simulation assembly are disassembled from the base, and disassembly is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, a kind of portable artificial heart simulation test device. BACKGROUND

[0002] Due to the world population is aging increasingly serious, cardiovascular disease especially heart failure disease patient is more and more, the most effective way of treating late heart failure is heart transplantation in the past, but heart transplantation exists heart donor shortage, donor waiting time is long, postoperative rejection and other problems, patient often " one heart difficult to seek ". Nowadays, the technical progress of artificial heart brings hope to heart failure patient, artificial heart is a kind of using mechanical or biomechanical means partially or completely replaces natural heart to supply blood for human auxiliary device, it can replace the " pump " function of human heart, play the role of engine, let blood bypass damaged heart, perfusion whole body, artificial heart can not only improve the survival rate of heart failure patient, also help myocardial function recovery.

[0003] In order to let the public more clearly understand the knowledge of cardiovascular disease, usually through propaganda and education activities, improve the public awareness and attention to heart health, when popularizing artificial heart, artificial heart endurance test equipment is usually used. However, the structure of artificial heart endurance test equipment in the prior art is complex, installation and debugging are tedious, the time of disassembly process and assembly process is long, it is more difficult to meet the timeliness requirement of exhibition, and it is extremely inconvenient when cooperating with artificial heart to exhibit simulation running. Artificial heart endurance test equipment has many high-precision sensors or high-value key components, and the daily maintenance cost is high. UTILITARY MODEL CONTENT

[0004] The utility model aims at providing a kind of portable artificial heart simulation test device, it is easy to install, convenient for exhibition use.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of portable artificial heart simulation test device, including base and the left ventricular cavity simulation component, aortic cavity simulation component and left atrial cavity simulation component of detachable connection in the upper portion of base, the flow channel that is sequentially communicated with each other of left ventricular cavity simulation component, aortic cavity simulation component and left atrial cavity simulation component is opened in base.

[0006] The technical principle of the utility model is as follows: left ventricular cavity simulation component, aortic cavity simulation component and left atrial cavity simulation component can be used by being installed to base by detachable connection mode;Left ventricular cavity simulation component, aortic cavity simulation component and left atrial cavity simulation component can be removed from base during transportation, and disassembly is convenient.

[0007] Further, the aortic cavity simulation assembly comprises a first aortic simulation part and a second aortic simulation part which are structurally identical.

[0008] In the base, a first working cavity, a second working cavity, a third working cavity and a fourth working cavity are sequentially and mutually communicated from bottom to top, and the left ventricular cavity simulation assembly, the first aortic simulation part, the second aortic simulation part and the left atrial cavity simulation assembly are arranged in the base.

[0009] The side wall of the base is provided with a first opening and a second opening which are respectively communicated with the first working cavity and the second working cavity, and the inlet end of the artificial heart is communicated with the first opening 111, and the outlet end of the artificial heart is communicated with the second opening.

[0010] Further, the left ventricular cavity simulation assembly comprises a first mounting seat, a dust cover and a first sealing cover which are sequentially arranged from bottom to top, and the first mounting seat is detachably connected to the base.

[0011] The first mounting seat is provided with a support and a telescopic motor, the support and the base are provided with an elastic diaphragm which is fixedly installed on the base, the support is detachably installed on the base, the telescopic motor is fixedly installed on the side of the support away from the base, and the telescopic shaft of the telescopic motor penetrates through the installation through slot and abuts against the elastic diaphragm, the dust cover is coaxially sleeved outside the telescopic motor, and the first sealing cover abuts against the side of the telescopic motor away from the base.

[0012] Further, the first aortic simulation part comprises a second mounting seat, a mounting cylinder and a second sealing cover which are sequentially arranged from bottom to top, the second mounting seat is detachably connected to the base, and the second sealing cover is provided with a three-way valve which is communicated with the mounting cylinder.

[0013] Further, the left atrial cavity simulation assembly comprises a third mounting seat and a left atrial simulation cylinder which are sequentially arranged from bottom to top, and the third mounting seat is detachably connected to the base.

[0014] Further, the base is fixedly installed with a blocking assembly, the blocking assembly is used for blocking the flow channel between the second working cavity and the third working cavity, and blocking the flow channel between the third working cavity and the fourth working cavity.

[0015] Further, the blocking assembly comprises a positioning seat, a blocking piece and a handle, the positioning seat is fixedly installed on the base, the blocking piece is vertically and slidably arranged in the blocking piece, the blocking piece can be arranged in the flow channel, and the handle is fixedly installed on the side of the blocking piece away from the base.

[0016] Further, the side wall of the base is further provided with a third opening, a fourth opening, a fifth opening, a sixth opening, a seventh opening and an eighth opening.

[0017] The third opening communicates with the second working chamber, and the third opening and the second opening are respectively located on the side walls of adjacent sides of the base;

[0018] Both the fourth and fifth openings are connected to the third working chamber, and the fourth and fifth openings are respectively located on the side walls of adjacent sides of the base.

[0019] Both the sixth and seventh openings are connected to the fourth working chamber, and the sixth and seventh openings are respectively located on the side walls of adjacent sides of the base.

[0020] The eighth opening is connected to the first working cavity, and the eighth opening and the first opening are respectively located on the side walls of adjacent sides of the base;

[0021] An interface sealing cap is provided on the first opening, second opening, third opening, fourth opening, fifth opening, sixth opening, seventh opening and eighth opening.

[0022] Furthermore, a first Luer connector, a second Luer connector, and a drain pipe are fixedly installed on the side wall of the base. A control valve is provided on the drain pipe. The drain pipe and the first Luer connector are connected to the first working chamber, and the second Luer connector is connected to the fourth working chamber. Both the first Luer connector and the second Luer connector penetrate the interface sealing cover.

[0023] The beneficial effects of this utility model are as follows:

[0024] 1. This device can be installed or disassembled via a detachable connection, making it easy to operate and convenient for exhibition and use;

[0025] 2. Disassembly, assembly, and sealing can be completed manually. Easy to maintain and repair, and convenient for replacing parts;

[0026] 3. This device can control the water level in the aortic cavity simulation component by adjusting the stroke of the telescopic motor, thereby simulating the human body environment for clinical use of an artificial heart. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of this utility model;

[0028] Figure 2 This is a schematic diagram of the base structure in this utility model;

[0029] Figure 3 This is a schematic diagram of the second structure of the base in this utility model;

[0030] Figure 4 This is a perspective view of the base in this utility model;

[0031] Figure 5 This is a cross-sectional view of the left ventricular cavity simulation component in this utility model.

[0032] In the above figures:

[0033] 1, base; 101, first working cavity; 102, second working cavity; 103, third working cavity; 104, fourth working cavity; 105, first mechanical valve; 106, second mechanical valve; 107, drain pipe; 108, first luer connector; 109, second luer connector; 110, interface sealing cover; 111, first opening; 112, second opening; 113, third opening; 114, fourth opening; 115, fifth opening; 116, sixth opening; 117, seventh opening; 118, eighth opening; 119, flow channel;

[0034] 2, left ventricular cavity simulation assembly; 201, first mounting seat; 202, elastic diaphragm; 203, support; 204, dust cover; 205, first sealing cover; 206, telescopic motor;

[0035] 3, aortic cavity simulation assembly; 301, first aortic simulation part; 3011, second mounting seat; 3012, mounting cylinder; 3013, second sealing cover; 3014, three-way valve; 302, second aortic simulation part;

[0036] 4, left atrial cavity simulation assembly; 401, third mounting seat; 402, left atrial simulation cylinder;

[0037] 5, blocking assembly; 501, positioning seat; 502, blocking piece; 503, handle. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to 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 the embodiments; the structures described in various embodiments can be freely combined without structural or principle conflicts.

[0039] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0041] The following description, in conjunction with the accompanying drawings, describes some embodiments of the present invention:

[0042] like Figures 1 to 5 As shown, this utility model proposes a portable artificial heart simulation test device, including a base 1 and a left ventricular cavity simulation component 2, an aortic cavity simulation component 3 and a left atrial cavity simulation component 4 detachably connected to the base 1. The base 1 has a flow channel 119 that connects the left ventricular cavity simulation component 2, the aortic cavity simulation component 3 and the left atrial cavity simulation component 4 to each other in sequence.

[0043] The detachable connection method can be selected from threaded connection, snap-fit, pin connection, etc. To ensure the sealing of the device after installation, threaded connection is preferred. The left ventricular cavity simulation component 2, aortic cavity simulation component 3 and left atrial cavity simulation component 4 can be installed on the base 1 by threaded connection, which is convenient for installation. During transportation, the left ventricular cavity simulation component 2, aortic cavity simulation component 3 and left atrial cavity simulation component 4 can be removed from the base 1, which is convenient for disassembly.

[0044] Existing artificial heart testing devices measure 500mm (length) * 500mm (width) * 1100mm (height) and weigh 50kg. This device measures no more than 400mm (length) * 400mm (width) * 490mm (height) and weighs less than 3kg (15kg including motor and controller). The base 1, left ventricular cavity simulation component 2, aortic cavity simulation component 3, and left atrial cavity simulation component 4 of this device are all made of transparent PC material, making them lightweight and compact, easy to carry and transport.

[0045] Furthermore, the aortic cavity simulation component 3 includes a first aortic simulation part 301 and a second aortic simulation part 302 with identical structures;

[0046] In the base 1, the left ventricular cavity simulation assembly 2, the first aortic simulation part 301, the second aortic simulation part 302 and the left atrial cavity simulation assembly 4 are sequentially and mutually communicated with the first working cavity 101, the second working cavity 102, the third working cavity 103 and the fourth working cavity 104; the first mechanical valve 105 and the second mechanical valve 106 are arranged between the first working cavity 101 and the second working cavity 102 and the fourth working cavity 104 respectively;

[0047] The side wall of the base 1 is provided with the first opening 111 communicated with the first working cavity 101 and the second opening 112 communicated with the second working cavity 102, the inlet end of the artificial heart is communicated with the first opening 111, and the outlet end of the artificial heart is communicated with the second opening 112.

[0048] When the device works, water is filled into the fourth working cavity 104 through the left atrial cavity simulation assembly, the working direction of the first mechanical valve 105 is from the first working cavity 101 to the second working cavity 102, and the working direction of the second mechanical valve 106 is from the fourth working cavity 104 to the first working cavity 101, the water in the fourth working cavity 104 is sucked into the first working cavity 101 through the flow channel 119 of the left ventricular simulation assembly, and then the water is pressed from the first working cavity 101 into the second working cavity 102 and the third working cavity 103, the first mechanical valve 105 and the second mechanical valve 106 are opened under positive pressure and closed under negative pressure, so that the water cannot flow back, and under the action of the left ventricular simulation assembly, the water in the device can circulate in the first working cavity 101 to the fourth working cavity 104, so as to simulate the movement of blood in the human heart.

[0049] The flow of water in the device can be adjusted through the left ventricular simulation assembly, so as to simulate the insufficient blood supply of the heart in heart failure. The inlet end of the artificial heart is communicated with the first opening 111, and the outlet end is communicated with the second opening 112, so that the water in the first working cavity 101 can be pumped into the aortic simulation assembly through the assistance of the artificial heart, so as to simulate the working condition of the artificial heart in the human body in heart failure.

[0050] Further, as shown in Figure 1 and Figure 5 The left ventricular cavity simulation assembly 2 comprises a first mounting seat 201, a dust cover 204 and a first sealing cover 205 arranged from bottom to top, and the first mounting seat 201 is detachably connected to the base 1;

[0051] The first mounting base 201 is provided with a support 203 and a telescopic motor 206, the support 203 is provided with an elastic diaphragm 202 fixedly installed on the base 1 between the support 203 and the base 1, the support 203 is detachably installed on the base 1, the telescopic motor 206 is fixedly installed on the upper side of the support 203, and the telescopic shaft of the telescopic motor 206 penetrates through the installation through slot and abuts against the elastic diaphragm 202, the dust cover 204 is coaxially sleeved outside the telescopic motor 206, and the first sealing cover 205 abuts against the upper side of the telescopic motor 206.

[0052] The support 203 supports the telescopic motor 206, the first mounting base 201 limits the telescopic motor 206 and is also used for installing the dust cover 204, the pressure in the first working cavity 101 can be changed through the elastic diaphragm 202 when the telescopic motor 206 moves, the blood supply shortage condition in heart failure can be simulated by controlling the movement frequency of the telescopic motor 206, the frequency of the telescopic motor 206 can be adjusted to 40-150 times / min, different heart failure conditions can be simulated, the first mounting base 201 is connected with the base 1 through threads, is convenient to install and detach, the telescopic motor 206 can be dustproof through the dust cover 204 and the first sealing cover 205, and the service life of the device is improved.

[0053] Further, as shown in Figure 1 The first aorta simulation part 301 includes a second mounting base 3011, an installation cylinder 3012 and a second sealing cover 3013, the second mounting base 3011 is threadedly connected on the base 1, the installation cylinder 3012 is fixedly and coaxially installed on the second mounting base 3011, and the installation cylinder 3012 is in communication with the second working cavity 102, the second sealing cover 3013 is threadedly connected on the end of the installation cylinder 3012 away from the base 1, the second sealing cover 3013 is provided with a three-way valve 3014 in communication with the installation cylinder 3012, the second aorta simulation part 302 is in communication with the third working cavity 103.

[0054] The second mounting base 3011 is threadedly connected on the base 1, and is convenient to install and detach. When water is poured into the device through the left atrium simulation assembly, the three-way valve 3014 on the second sealing cover 3013 is opened, and the air pressure balance in the device is maintained. When the left atrium simulation assembly and the fourth working cavity 104 are filled, the telescopic motor 206 is started, the water in the fourth working cavity 104 is pumped into the second working cavity 102 and the third working cavity 103, and the gas in the second working cavity 102 and the third working cavity 103 is discharged, and the three-way valve 3014 is closed when the gas in the second working cavity 102 and the third working cavity 103 is exhausted.

[0055] When working, the telescopic motor 206 is started, and the telescopic motor 206 will pump water into the second working chamber 102 and the third working chamber 103, and the water level in the installation cylinder 3012 above the second working chamber 102 and the third working chamber 103 will rise, simulating the condition of blood flowing in the human body, and there is air in the installation cylinder 3012, which will compress the air in the installation cylinder 3012 when the water level rises, and at the same time, the air in the installation cylinder 3012 will form a reaction force on the water, that is, the contraction of the blood vessels can be simulated, thereby improving the simulation effect of the device.

[0056] The installation cylinder 3012 is made of transparent PC material, and the water level height in the installation cylinder 3012 can simulate the condition of heart failure when the device is working.

[0057] Further, as shown in Figure 1 , the left atrial cavity simulation assembly 4 includes a third mounting seat 401 and a left atrial simulation cylinder 402, the third mounting seat 401 is threadedly connected to the base 1, and the left atrial simulation cylinder 402 is coaxially fixedly installed on the third mounting seat 401, and the left atrial simulation cylinder 402 is in communication with the fourth working chamber 104.

[0058] The third mounting seat 401 is threadedly connected to the base 1, facilitating installation and disassembly. The water can be poured into the third working chamber 103 through the third mounting seat 401.

[0059] Further, as shown in Figure 1 , the base 1 is fixedly installed with a blocking assembly 5, the blocking assembly 5 is used for blocking the flow channel 119 between the second working chamber 102 and the third working chamber 103, and blocking the flow channel 119 between the third working chamber 103 and the fourth working chamber 104.

[0060] The blocking assembly 5 can simulate the thrombus and other lesions of the aorta, enriching the simulation conditions of the device.

[0061] Further, as shown in Figure 1 , the blocking assembly 5 includes a positioning seat 501, a blocking piece 502 and a handle 503, the positioning seat 501 is fixedly installed on the base 1, the blocking piece 502 is vertically slidably arranged in the blocking piece 502, and the blocking piece 502 can be arranged in the flow channel 119, and the handle 503 is fixedly installed on the side of the blocking piece 502 away from the base 1.

[0062] The blocking piece 502 is placed in the flow channel 119 in the base 1 through the handle 503, and the flow of water in the base 1 is blocked, thereby simulating the thrombus and other conditions.

[0063] Further, as shown in Figures 2-4 , the side wall of the base 1 is also provided with a third opening 113, a fourth opening 114, a fifth opening 115, a sixth opening 116, a seventh opening 117 and an eighth opening 118;

[0064] The third opening 113 is in communication with the second working cavity 102, and the third opening 113 and the second opening 112 are arranged on the side walls of the base 1 on two adjacent sides respectively;

[0065] The fourth opening 114 and the fifth opening 115 are both in communication with the third working cavity 103, and the fourth opening 114 and the fifth opening 115 are arranged on the side walls of the base 1 on two adjacent sides respectively;

[0066] The sixth opening 116 and the seventh opening 117 are both in communication with the fourth working cavity 104, and the sixth opening 116 and the seventh opening 117 are arranged on the side walls of the base 1 on two adjacent sides respectively;

[0067] The eighth opening 118 is in communication with the first working cavity 101, and the eighth opening 118 and the first opening 111 are arranged on the side walls of the base 1 on two adjacent sides respectively;

[0068] The first opening 111, the second opening 112, the third opening 113, the fourth opening 114, the fifth opening 115, the sixth opening 116, the seventh opening 117 and the eighth opening 118 are all provided with an interface sealing cover 110.

[0069] Through the arrangement of the third opening 113, the fourth opening 114, the fifth opening 115, the sixth opening 116, the seventh opening 117 and the eighth opening 118, other devices can be externally connected to simulate more human heart conditions. When not in use, the above openings can be sealed by the interface sealing cover 110. The interface sealing cover 110 has the same size and improves the interchangeability of the interface sealing cover 110.

[0070] Further, as shown in Figure 1 and Figure 4 The first luer connector 108, the second luer connector 109 and the drain pipe 107 are fixedly installed on the side wall of the base 1. The drain pipe 107 is provided with a control valve. The drain pipe 107 and the first luer connector 108 are in communication with the first working cavity 101. The second luer connector 109 is in communication with the fourth working cavity 104. The first luer connector 108 and the second luer connector 109 both penetrate the interface sealing cover 110.

[0071] When the device is used up, the water in the device can be discharged through the drain pipe 107. The pressure in the device can be monitored by the upper computer through the first luer connector 108 and the second luer connector 109.

Claims

1. A portable artificial heart simulation testing device, characterized by: The base (1) is provided with the left ventricular cavity simulation assembly (2), the aortic cavity simulation assembly (3) and the left atrial cavity simulation assembly (4) which are detachably connected above the base (1), and the base (1) is provided with the flow channel (119) which is communicated with the left ventricular cavity simulation assembly (2), the aortic cavity simulation assembly (3) and the left atrial cavity simulation assembly (4) in sequence.

2. The portable artificial heart simulation test device according to claim 1, wherein The first aortic simulation part (301) comprises the second mounting seat (3011), the mounting cylinder (3012) and the second sealing cover (3013) which are sequentially arranged from bottom to top, the second mounting seat (3011) is detachably connected to the base (1), and the second sealing cover (3013) is provided with the three-way valve (3014) which is communicated with the mounting cylinder (3012).

3. The portable artificial heart simulation test device according to claim 2, wherein The left atrial cavity simulation assembly (4) comprises the third mounting seat (401) and the left atrial simulation cylinder (402) which are sequentially arranged from bottom to top, and the third mounting seat (401) is detachably connected to the base (1).

4. The portable artificial heart simulation test device according to claim 1, wherein The left atrial cavity simulation assembly (4) comprises the third mounting seat (401) and the left atrial simulation cylinder (402) which are sequentially arranged from bottom to top, and the third mounting seat (401) is detachably connected to the base (1).

5. The portable artificial heart simulation test device according to claim 2 or 3, wherein The base (1) is fixedly installed with a blocking assembly (5), which is used for blocking the flow channel (119) between the second working cavity (102) and the third working cavity (103), and blocking the flow channel (119) between the third working cavity (103) and the fourth working cavity (104).

6. The portable artificial heart simulation test device according to claim 5, wherein The blocking assembly (5) comprises a positioning seat (501), a blocking piece (502) and a handle (503), the positioning seat (501) is fixedly installed on the base (1), the blocking piece (502) is vertically and slidingly arranged in the blocking piece (502), and the blocking piece (502) can be arranged in the flow channel (119), and the handle (503) is fixedly installed on the side of the blocking piece (502) away from the base (1).

7. A portable artificial heart simulation test device according to claim 2, 3, 4 or 6, wherein The side wall of the base (1) is also provided with a third opening (113), a fourth opening (114), a fifth opening (115), a sixth opening (116), a seventh opening (117) and an eighth opening (118); The third opening (113) is in communication with the second working cavity (102), and the third opening (113) and the second opening (112) are arranged on the side walls of the adjacent two sides of the base (1) respectively; The fourth opening (114) and the fifth opening (115) are both in communication with the third working cavity (103), and the fourth opening (114) and the fifth opening (115) are arranged on the side walls of the adjacent two sides of the base (1) respectively; The sixth opening (116) and the seventh opening (117) are both in communication with the fourth working cavity (104), and the sixth opening (116) and the seventh opening (117) are arranged on the side walls of the adjacent two sides of the base (1) respectively; The eighth opening (118) is in communication with the first working cavity (101), and the eighth opening (118) and the first opening (111) are arranged on the side walls of the adjacent two sides of the base (1) respectively; The first opening (111), the second opening (112), the third opening (113), the fourth opening (114), the fifth opening (115), the sixth opening (116), the seventh opening (117) and the eighth opening (118) are all provided with an interface sealing cover (110).

8. The portable artificial heart simulation test device according to claim 7, wherein The side wall of the base (1) is fixedly installed with a first luer joint (108), a second luer joint (109) and a drain pipe (107), the drain pipe (107) is provided with a control valve, the drain pipe (107) and the first luer joint (108) are both in communication with the first working cavity (101), the second luer joint (109) is in communication with the fourth working cavity (104), and the first luer joint (108) and the second luer joint (109) both penetrate through the interface sealing cover (110).

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