Lifting support mechanism and medical device

Abstract

The application relates to a lifting support mechanism, which comprises a seat body, a first connecting rod and a second connecting rod, a component carrier and a balancing member, the first connecting rod and the second connecting rod are hinged to the seat body, at least one of the first connecting rod and the second connecting rod is a balancing rod A, a first extension is formed at the bottom end of the balancing rod A beyond the hinging shaft of the balancing rod A; the two ends of the component carrier are respectively hinged to the top end of the first connecting rod and the top end of the second connecting rod; the balancing member applies a pulling force to the first extension, and the moment generated by the balancing member at the hinging shaft of the balancing rod A is equal to the moment generated by the component carrier and a component to be supported at the hinging shaft of the balancing rod A. The lifting support mechanism can balance the moment generated by the component to be supported during the lifting of the component to be supported, and a user can only use a small force to make the component to be supported reach a suitable position, and the lifting support mechanism has the advantages of simple and compact structure and small space occupation. The application also relates to a medical device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical device design and production, and particularly relates to a lifting support mechanism and a medical device. BACKGROUND

[0002] Taking an ultrasonic scanning device in the field of medical devices as an example, the ultrasonic scanning device is provided with a human-computer interaction panel, and the human-computer interaction panel is supported by a lifting support mechanism. The current lifting support mechanism is mostly a parallel four-bar linkage mechanism. Since the parallel four-bar linkage mechanism can ensure that the angle of the connecting rod is unchanged during lifting, the human-computer interaction panel is installed on the connecting rod. In order to improve the user experience, a spring is usually arranged in the four-bar linkage mechanism, so as to offset the weight of the human-computer interaction panel. The user can slightly use force to make the human-computer interaction panel lift, and when the hand is released, the human-computer interaction panel can hover at the adjusted position.

[0003] In the current lifting mechanism, the spring is arranged at a position close to the diagonal line of the four-bar linkage mechanism. Although the spring is a gas spring with a nearly constant elastic force, since the angle in the four-bar linkage mechanism is always changing during the lifting of the human-computer interaction panel, the moment generated by the gas spring and the moment generated by the weight of the human-computer interaction panel cannot always remain equal. Therefore, the deviation between the two moments needs to be balanced by friction in the lifting support mechanism. However, this method has the following problems:

[0004] If the deviation between the two moments is large, a large friction force is needed to balance the deviation between the two moments, which will greatly affect the user's hand feeling and reduce the user's satisfaction.

[0005] The test calculation of the deviation between the two moments and the design adjustment of the friction force are very complex, which increases the difficulty of design, production and installation and debugging of the entire lifting mechanism. SUMMARY

[0006] One of the purposes of the present application is to provide a lifting support mechanism which is compact and simple in structure and can always balance the moment generated by the supported component during the lifting movement of the supported component.

[0007] Another purpose of the present application is to provide a medical device using the above lifting support mechanism.

[0008] To achieve the above purpose, the lifting support mechanism provided by the present application comprises:

[0009] a seat body;

[0010] a first link and a second link, which are hingedly connected to the base body in a vertical direction, at least one of the first link and the second link being a balance bar A, a bottom end of the balance bar A being formed with a first extension beyond a hinging shaft of the balance bar A;

[0011] a component carrier, which is hingedly connected to a top end of the first link and a top end of the second link in a vertical direction;

[0012] a balance member, which applies a pulling force to the first extension so as to make a moment of force generated at the hinging shaft of the balance bar A equal to a moment of force generated at the hinging shaft of the balance bar A by the component carrier and a component to be supported.

[0013] Preferably, a third link and a fourth link are hingedly connected to the base body in a vertical direction, the third link being arranged in left-right symmetry with the first link, the fourth link being arranged in left-right symmetry with the second link, one side of the component carrier in a left-right direction being hingedly connected to the top end of the first link and the top end of the second link, the other side of the component carrier in the left-right direction being hingedly connected to the top end of the third link and the top end of the fourth link.

[0014] Preferably, the base body is provided with two ear plates arranged in left-right symmetry, the first link and the second link being hingedly connected to one of the ear plates, the third link and the fourth link being hingedly connected to the other ear plate.

[0015] Preferably, the first link, the second link, the third link and the fourth link are all hingedly connected to an inner side of the ear plate.

[0016] Preferably, one of the third link and the fourth link, which is arranged in left-right symmetry with the balance bar A, is a balance bar B, a bottom end of the balance bar B being formed with a second extension beyond a hinging shaft of the balance bar B, a connecting shaft being arranged between the first extension and the second extension, the balance member applying a pulling force to the first extension and the second extension through the connecting shaft.

[0017] Preferably, the connecting shaft is provided with a wire winding wheel with a wire slot, the balance member comprising:

[0018] a sliding block slidingly mounted on the base body and located below the first extension and the second extension;

[0019] a fixed pulley arranged on the sliding block;

[0020] a constant force spring fixed between the first link and the third link, or fixed between the second link and the fourth link.

[0021] A tension line, a first end of which is connected with the constant force spring, and a second end of which is fixed to the winding groove of the winding wheel after being wound around the fixed pulley from below.

[0022] Preferably, the constant force spring is arranged along the extension direction of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod.

[0023] Preferably, the plane in which the first connecting rod and the second connecting rod are located is a reference plane, the plane parallel to the reference plane and passing through the central axis of the constant force spring is a working plane, and the tension line is located on the working plane.

[0024] Preferably, the constant force spring is a gas spring, and the first end of the tension line is connected with the push rod of the gas spring.

[0025] Preferably, a wire sheath is further sleeved on the tension line between the sliding block and the gas spring, one end of the wire sheath is connected with the sliding block, and the other end is connected with the cylinder body of the gas spring or a fixing member for fixing the gas spring.

[0026] Preferably, an adjusting nut is threadedly connected to the top end of the push rod of the gas spring, and the first end of the tension line is fixedly connected with the adjusting nut.

[0027] Preferably, the counterweight is suspended on the connecting shaft, and the counterweight is arranged to rotate freely on the connecting shaft.

[0028] The medical device provided in the present application comprises a human-computer interaction panel and the lifting support mechanism disclosed in any one of the above, and the human-computer interaction panel is installed on the component carrier.

[0029] Preferably, the medical diagnostic device is an ultrasonic diagnostic device.

[0030] In the lifting support mechanism, the seat body, the first connecting rod, the second connecting rod and the component carrier actually constitute a parallel four-bar linkage mechanism, at least one of the first connecting rod and the second connecting rod forms a balance bar A, the bottom end of the balance bar A forms a first extension part after exceeding the hinge shaft thereof, in actual use, the component to be supported is installed on the component carrier, the balance bar A functions as a connecting rod and also constitutes a lever relative to the hinge shaft thereof, and the moment generated by the balance member at the hinge shaft of the balance bar A is equal to the moment generated by the component carrier and the component to be supported at the hinge shaft of the balance bar A.

[0031] The skilled in the art can understand that if the moments of force of the two ends of the lever relative to the fulcrum are equal, the moments of force of the two ends of the lever can always be balanced regardless of the change of the angle of the lever, and the lifting support mechanism disclosed in the application can always balance the moment of force generated by the supported part during the lifting of the supported part, without the need for friction to supplement the moment deviation, and the user only needs a small force to make the supported part reach the appropriate position, and the supported part can be suspended after the hand is released, effectively improving the hand feeling of the user, and the whole lifting support mechanism adopts a four-bar linkage mechanism combined with the principle of lever to achieve the purpose of moment balance, and has the advantages of simple and compact structure, small space occupation, low design, production and installation and debugging difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 A structural schematic view of one angle of the lifting support mechanism disclosed in the embodiment of the application;

[0033] Figure 2 A structural schematic view of another angle of the lifting support mechanism disclosed in the embodiment of the application;

[0034] Figure 3 A moment balance schematic view;

[0035] Figure 4 A structural schematic view of the ultrasonic diagnostic equipment disclosed in the embodiment of the application.

[0036] Among them, 1 is a seat body, 2 is a first connecting rod, 3 is a second connecting rod, 4 is a first extension, 5 is a part carrier, 6 is a third connecting rod, 7 is a fourth connecting rod, 8 is an ear plate, 9 is a second extension, 10 is a connecting shaft, 11 is a winding wheel, 12 is a sliding block, 13 is a fixed pulley, 14 is a constant force spring, 15 is a tension line, 16 is a wire sheath, 17 is a push rod, 18 is an adjusting nut, 001 is a human-computer interaction panel, 002 is a touch screen, 003 is a keyboard, 004 is a lifting support rod, 005 is a base, and 006 is a lifting support mechanism. DETAILED DESCRIPTION

[0037] One of the cores of the application is to provide a lifting support mechanism which is compact and simple in structure and can always balance the moment of force generated by the supported part during the lifting of the supported part.

[0038] Another core of the application is to provide a medical device adopting the above lifting support mechanism.

[0039] Please refer to Figure 1The lifting support mechanism disclosed in the present application comprises a seat body 1, a first connecting rod 2, a second connecting rod 3, a component carrier 5 and a balancing member, the first connecting rod 2 and the second connecting rod 3 are respectively hinged on the seat body 1, and the first connecting rod 2 and the second connecting rod 3 are arranged in vertical direction, at least one of the first connecting rod 2 and the second connecting rod 3 is a balancing lever A, the bottom end of the balancing lever A is formed with a first extension 4 beyond the hinge shaft of the balancing lever A, the component carrier 5 is provided for mounting a component (for example, a human-computer interaction panel) to be supported, the two ends of the component carrier 5 in the vertical direction are respectively hinged with the top end of the first connecting rod 2 and the top end of the second connecting rod 3, and the balancing member is used for applying a pulling force to the first extension 4, and the moment generated by the balancing member at the hinge shaft of the balancing lever A is equal to the moment generated by the component carrier 5 and the component to be supported at the hinge shaft of the balancing lever A.

[0040] In fact, the first connecting rod 2, the second connecting rod 3, the seat body 1 and the component carrier 5 jointly constitute a parallel four-bar mechanism, and the parallel four-bar mechanism can realize the up-down lifting movement of the component carrier 5 without changing the angles of the seat body 1 and the component carrier 5.

[0041] At the same time, since the bottom end of the balancing lever A is formed with the first extension 4 beyond the hinge shaft of the balancing lever A, the balancing lever A constitutes a lever with respect to the hinge shaft of the balancing lever A while serving as a connecting rod, and the moment generated by the balancing member at the hinge shaft of the balancing lever A is equal to the moment generated by the component carrier 5 and the component to be supported at the hinge shaft of the balancing lever A.

[0042] Please understand in combination with Figure 3 F represents the pulling force applied by the balancing member to the balancing lever A, G represents the pressure applied by the component carrier 5 and the component to be supported to the balancing lever A, the fulcrum of the balancing lever A represents the hinge shaft of the balancing lever A, the dashed line represents the vertical direction, θ is the included angle between the balancing lever A and the vertical direction, L1 is the distance between the end of the first extension 4 of the balancing lever A and the hinge shaft of the balancing lever A, and L2 is the distance between the top end of the balancing lever A and the hinge shaft of the balancing lever A, according to the above technical solution, the following equation is established:

[0043] FL1×sinθ=GL2×sinθ, that is, as long as FL1=GL2 is ensured, the moment balance on both sides of the balancing lever A can be maintained all the time, and the balancing state is not affected by the angle change of the balancing lever A, so that the pulling force F applied by the balancing member to the balancing lever A is equal to GL2 / L1.

[0044] Therefore, if the moments of force of the two ends of the lever relative to the fulcrum (i.e. the hinge shaft of the balance lever A) are equal, the moments of force of the two ends of the lever can be kept balanced all the time regardless of the change of the angle of the lever, and the lifting support mechanism disclosed in the above embodiment can balance the moment of force generated by the component to be supported all the time during the lifting of the component to be supported, without the need of friction force to compensate for the moment deviation, and the user can only use a small force to make the component to be supported reach the appropriate position and can make the component to be supported hover after releasing the hand, effectively improving the hand feeling of the user, and the whole lifting support mechanism adopts the four-bar linkage mechanism combined with the lever principle to achieve the purpose of moment balance, and has the advantages of simple and compact structure, small space occupation, low design, production and installation and debugging difficulty.

[0045] The parallel four-bar linkage mechanism formed by the first connecting rod 2, the second connecting rod 3, the seat body 1 and the component carrier 5 is a single four-bar linkage mechanism, in order to further improve the stability of the whole lifting support mechanism, the technical solution disclosed in the embodiment further includes the third connecting rod 6 and the fourth connecting rod 7 which are hingedly connected to the seat body in the vertical direction and are spaced from each other, the third connecting rod 6 is arranged left-right symmetrically with the first connecting rod 2, and the fourth connecting rod 7 is arranged left-right symmetrically with the second connecting rod 3, please refer to Figure 1 and Figure 2 One side of the component carrier 5 in the left-right direction is hingedly connected to the top ends of the first connecting rod 2 and the second connecting rod 3, and the other side in the left-right direction is hingedly connected to the top ends of the third connecting rod 6 and the fourth connecting rod 7, and those skilled in the art can understand that after the third connecting rod 6 and the fourth connecting rod 7 are added, the whole lifting support mechanism forms a double four-bar linkage mechanism, which on the one hand enhances the supporting capacity of the lifting support mechanism, and on the other hand improves the supporting stability of the lifting support mechanism.

[0046] It needs to be explained that the left-right direction in the case is defined as follows: when a person stands in front of the lifting support mechanism and stands facing the component carrier 5, the left hand side is defined as the left side of the lifting support mechanism, and the right hand side is defined as the right side of the lifting support mechanism.

[0047] In one embodiment, the seat body 1 is provided with two left-right symmetrically arranged ear plates 8, the first connecting rod 2 and the second connecting rod 3 are hingedly connected to one of the ear plates 8, and the third connecting rod 6 and the fourth connecting rod 7 are hingedly connected to the other ear plate 8, the opposite side of the two ear plates 8 is called the inner side, and the other side of the ear plate 8 is the outer side, it is not difficult to understand that the first connecting rod 2, the second connecting rod 3, the third connecting rod 6 and the fourth connecting rod 7 can all be arranged on the outer side of the ear plate 8, which can realize the technical solution of the present application, but it will bring difficulties to the arrangement of the balancing member, therefore, in the embodiment, the first connecting rod 2, the second connecting rod 3, the third connecting rod 6 and the fourth connecting rod 7 are all hingedly connected to the inner side of the ear plate 8, as Figure 1 and Figure 2As shown in the figure, the arrangement can be facilitated for the balancing member, and generally, the inside of the seat body 1 can be provided as a cavity, and the balancing member is arranged in the cavity to facilitate the application of tension to the balancing rod A.

[0048] Further, one of the third link 6 and the fourth link 7 which is left-right symmetrical to the balancing rod A is the balancing rod B, and the bottom end of the balancing rod B is formed with a second extension 9 beyond the hinge shaft of the balancing rod B, and a connecting shaft 10 is arranged between the first extension 4 and the second extension 9, please refer to Figure 1 and Figure 2 , and the balancing member applies tension to the first extension 4 and the second extension 9 through the connecting shaft 10.

[0049] In an embodiment, the connecting shaft 10 is provided with a winding wheel 11 with a wire slot, and the balancing member specifically includes a sliding block 12, a fixed pulley 13, a constant force spring 14, and a tension wire 15, please refer to Figure 1 , the constant force spring 14 is preferably arranged along the extension direction of each link, the sliding block 12 is located below the first extension 4 and the second extension 9, and the sliding block 12 is slidingly installed on the seat body 1, the bottom of the sliding block 12 is provided with the fixed pulley 13, the constant force spring 14 is fixedly connected between the first link 2 and the third link 6, or fixedly connected between the second link 3 and the fourth link 7, the first end of the tension wire 15 is connected with the constant force spring 14, and the second end is fixedly connected on the winding slot of the winding wheel 11 after passing through the fixed pulley 13 on the sliding block 12 from below, the second end of the tension wire 15 can be fixed on the winding slot through a pin body or a screw, or can be welded on the winding slot, in order to ensure that the tension wire 15 can always be tangent to the winding slot during the lifting and lowering of the component carrier 5, the tension wire 15 should at least be wound on the winding slot for half a turn (i.e. an angle range of 180°), when the winding wheel 11 rises and falls with the balancing rod A and the balancing rod B, the first end of the tension wire 15 is shortened after overcoming the elastic force of the constant force spring 14 under the pulling action of the second end, or the first end of the tension wire 15 is elongated under the elastic force of the constant force spring 14, and the tension wire 15 is always tangent to the winding slot, at the moment when the winding wheel 11 rises and falls with the balancing rod A and the balancing rod B, the tension wire 15 between the winding wheel 11 and the fixed pulley 13 is in an inclined state, and the tension wire 15 will generate a lateral tension on the sliding block 12 through the fixed pulley 13 at this time, dragging the sliding block 12 to move, when the tension wire 15 between the winding wheel 11 and the fixed pulley 13 reaches a vertical state, the sliding block 12 stops moving, and the entire lifting and supporting mechanism reaches a balanced state. Since the length of the balancing rod A and the balancing rod B as levers does not change, the proportion of the force arms on both sides of the hinge shaft of the lever will not change, so as long as the tension wire 15 between the winding wheel 11 and the fixed pulley 13 reaches a vertical state, the lifting and supporting mechanism can reach a balanced state.

[0050] The constant force spring 14 is arranged to provide a constant tension to the tension line 15, according to the above embodiment, when the elastic force of the constant force spring 14 is F=GL2 / L1, the moment generated by the component carrier 5 and the component to be supported can be balanced, the constant force spring 14 can be a spiral spring or a gas spring, and in the embodiment, the constant force spring 14 is a gas spring, and the first end of the tension line 15 is connected with the push rod 17 of the gas spring.

[0051] It is easy to understand that it is more ideal to arrange the tension line 15 parallel to the axis of the constant force spring 14, therefore, in the embodiment, the plane where the first connecting rod and the second connecting rod are arranged is a reference plane, the plane parallel to the reference plane and passing through the central axis of the constant force spring 14 is a working plane, and the tension line 15 is arranged on the working plane, which can ensure that the tension line is parallel to the axis of the constant force spring 14, so that the tension line 15 can better pull the constant force spring 14, or the constant force spring 14 can better pull the tension line 15.

[0052] Please refer to Figure 1 and Figure 2 In an embodiment, a wire sheath 16 is further sleeved on the tension line 15 between the sliding block 12 and the gas spring, one end of the wire sheath 16 is fixedly connected with the sliding block 12, and the other end is fixedly connected with the cylinder of the gas spring or a fixing member for fixing the gas spring, from Figure 2 it can be seen that the fixing member for fixing the gas spring is an annular fixing member, one end of the wire sheath is fixedly connected with the sliding block 12, and the other end is connected with the annular fixing member.

[0053] Considering that the length of the tension line 15 needs to be adjusted adaptively, in the embodiment, the top end of the push rod 17 of the gas spring is threadedly connected with an adjusting nut 18, the first end of the tension line 15 is fixedly connected with the adjusting nut 18, and the tightness of the tension line 15 can be adjusted by rotating the adjusting nut 18.

[0054] Of course, the balancing member also has other implementation forms, for example, in an embodiment, the balancing member is a counterweight suspended on the connecting shaft 10, the counterweight is arranged on the connecting shaft 10 to be freely rotatable through a shaft sleeve or a roller bearing, so as to ensure that the tension of the counterweight to the connecting shaft 10 is always in the vertical direction, and the above embodiment is referred to for understanding, if the mass of the counterweight is m and the acceleration of gravity is g, as long as mg=GL2 / L1 is satisfied, the moment generated by the component carrier 5 and the component to be supported can be balanced.

[0055] In the embodiment, a medical device is also disclosed, which includes but is not limited to an ultrasonic diagnostic device, the medical device comprises a man-machine interaction panel and the lifting mechanism disclosed in any one of the above embodiments, and the man-machine interaction panel is installed on the component carrier 5.

[0056] Please refer to Figure 4 , Figure 4 The application discloses an ultrasonic scanning diagnosis equipment, which comprises a base 005 provided with a roller, a lifting support 004 arranged on the base 005, an operation table arranged on the lifting support 004, input devices such as a keyboard 003 and a touch screen 002 arranged on the operation table, a lifting support mechanism 006 disclosed in the above embodiment arranged on the operation table, and a human-computer interaction panel 001 arranged on a component carrier of the lifting support mechanism 006, wherein the human-computer interaction panel 001 is specifically a display panel of the ultrasonic diagnosis equipment, and under the support of the lifting support mechanism 006, a position of the human-computer interaction panel 001 can be easily adjusted by an operator according to requirements.

[0057] It should be noted that in addition to supporting the human-computer interaction panel, the lifting support mechanism in the above embodiment can also support other components that need to be lifted, such as an operation table in a medical equipment, a load platform for placing articles and the like.

[0058] The lifting support mechanism and the medical equipment provided by the application are described in detail above. The principle and the implementation mode of the application are described by applying specific examples in the present text, and the above embodiment is only used for helping to understand the method of the application and the core idea thereof. It should be pointed out that for ordinary skilled in the art, some improvements and modifications can be made to the application without departing from the principle of the application, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims

1. A lifting support mechanism for a medical device, characterized by, The utility model relates to a kind of balance mechanism, including: Seat body (1); First connecting rod (2) and second connecting rod (3), the first connecting rod (2) and the second connecting rod (3) are hinged to the seat body (1) in vertical direction mutually spaced, at least one of the first connecting rod (2) and the second connecting rod (3) is balanced pole A, the bottom end of the balanced pole A is formed first extension after exceeding the hinged shaft of itself; Component carrier (5), both ends in vertical direction of the component carrier (5) are respectively hinged with the top end of the first connecting rod (2) and the top end of the second connecting rod (3); Balancing member, the balancing member is by the first extension (4) to the force of pulling, to make the moment of force that it is generated at the hinged shaft of the balanced pole A with the moment of force that component carrier (5) and the component to be supported are generated at the hinged shaft of the balanced pole A equal; It further includes third connecting rod (6) and fourth connecting rod (7) that are hinged to the seat body (1) in vertical direction mutually spaced, the third connecting rod (6) is arranged left-right symmetry with the first connecting rod (2), the fourth connecting rod (7) is arranged left-right symmetry with the second connecting rod (3), one side in left-right direction of the component carrier (5) is hinged with the top end of the first connecting rod (2) and the top end of the second connecting rod (3), and the top end of the third connecting rod (6) and the top end of the fourth connecting rod (7) are hinged with the other side in left-right direction; One of the third connecting rod (6) and the fourth connecting rod (7) that is left-right symmetry with the balanced pole A is balanced pole B, the bottom end of the balanced pole B is formed second extension (9) after exceeding the hinged shaft of itself, and a connecting shaft (10) is arranged between the first extension (4) and the second extension (9), and the balancing member is by the connecting shaft (10) to the first extension (4) and the second extension (9) to the force of pulling; A wire winding wheel (11) with wire slot is arranged on the connecting shaft (10), and the balancing member includes: Sliding block (12) slidingly installed on the seat body (1) and located below the first extension (4) and second extension (9); Fixed pulley (13) arranged on the sliding block (12); Constant force spring (14) fixed between the first connecting rod (2) and the third connecting rod (6), or fixed between the second connecting rod (3) and the fourth connecting rod (7);Wherein, the constant force spring (14) is arranged along the extension direction of each connecting rod; Pulling line (15), the first end of the pulling line (15) is connected with the constant force spring (14), and the second end is fixed to the wire winding groove of the wire winding wheel (11) after passing the fixed pulley (13) from below.

2. The lifting support mechanism of claim 1, wherein, The seat body (1) has two ear plates (8) arranged left-right symmetry, the first connecting rod (2) and the second connecting rod (3) are hinged to one of the ear plates (8), and the third connecting rod (6) and the fourth connecting rod (7) are hinged to the other ear plate (8).

3. The lifting support mechanism of claim 2, wherein, The first connecting rod (2), the second connecting rod (3), the third connecting rod (6) and the fourth connecting rod (7) are all hinged to the inner side of the ear plate (8).

4. The lifting support mechanism of claim 1, wherein, The constant force spring is arranged along the extension direction of the first connecting rod (2), the second connecting rod (3), the third connecting rod (6) and the fourth connecting rod (7).

5. The lifting support mechanism of claim 4, wherein, The plane in which the first connecting rod and the second connecting rod are located is a reference plane, and the plane parallel to the reference plane and passing through the central axis of the constant force spring is a working plane, and the tension line is located on the working plane.

6. The lifting support mechanism of claim 1, wherein, The constant force spring (14) is a gas spring, and the first end of the tension line (15) is connected with the push rod of the gas spring.

7. The lifting support mechanism of claim 6, wherein, A wire sheath (16) is further sleeved on the tension line (15) between the slider (12) and the gas spring, one end of the wire sheath (16) is connected with the slider (12), and the other end is connected with the cylinder body of the gas spring or a fixing member for fixing the gas spring.

8. The lifting support mechanism of claim 6, wherein, The push rod (17) of the gas spring is threadedly connected with an adjusting nut (18) at the top end, and the first end of the tension line (15) is fixedly connected with the adjusting nut (18).

9. A medical device, characterized by The medical device is an ultrasonic diagnostic device.

10. The medical device of claim 9, wherein, The medical device is an ultrasonic diagnostic device.

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