Passive leg lifting test rack convenient to operate

By designing a passive leg lift test frame with fixed base plate, load stage, telescopic rod and other components, the comfort problem caused by the small contact area between the leg lift plate and the patient's legs is solved, and a larger support area and convenient User experience.

CN222218189UActive Publication Date: 2024-12-24兴化市人民医院
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Patent Information

Application Number
CN202322796518.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-10-18
Publication Date
2024-12-24
Estimated Expiration
2033-10-18

AI Technical Summary

Technical Problem

The existing passive leg lift test frame has a small contact area between the leg lift plate and the patient's legs, resulting in a large squeeze pressure at the edge of the leg, affecting the comfort of the leg lift.

Method used

A passive leg lift test frame is designed including fixed base plate, load stage, telescopic rod, connecting ring, connecting plate, fixing rod, bearing plate, Velcro, lock firmware and other components. Through the combination of these components, the patient's legs are extended. The support area of ​​the part reduces the pressure per unit area, and through the cooperation of the tooth plate and the spring, the automatic downward movement and fixation of the telescopic rod is achieved, improving comfort and convenience.

Benefits of technology

It effectively extends the support area of ​​the patient's legs, reduces the pressure per unit area, improves the comfort of lifting the legs, and improves the convenience of use through automatic adjustment and fixing functions, and solves the comfort problem.

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Abstract

The utility model discloses a passive leg lifting test rack convenient to operate, which belongs to the technical field of medical equipment and comprises a fixed bottom plate and a bearing table, two telescopic rods are symmetrically arranged on the bearing table, connecting rings are arranged on the telescopic rods, two connecting plates are symmetrically arranged on the outer sides of the connecting rings, fixed rods are arranged at the end parts of the connecting plates, and the fixed rods are connected with the fixed bottom plate. Two fixing frames are symmetrically arranged on one side of the top of the fixing rod, a bearing plate is arranged between the fixing frames and the fixing frame on the fixing rod on the other side, a hook-and-loop fastener is arranged on the bearing plate, a groove is formed in the middle of one side of the bearing plate, a fixing plate is arranged at one end of the top of the telescopic rod, and a plurality of locking pieces are arranged at the bottom of the fixing plate. The locking piece comprises a rotating plate, a bearing clamping plate and a fixing block, and a leg lifting plate is arranged on the top of the fixing plate. The fixing frame, the bearing plate and other parts are used in cooperation, the contact area with the legs of the patient can be effectively increased, the pressure of the contact edge of the legs of the patient is reduced, and the comfort of lifting the legs is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a passive leg-lifting test stand which is easy to operate. Background Art

[0002] When treating patients with hemodynamic instability, adequate intravascular volume support is the basis of treatment. In clinical practice, for patients with hemodynamic instability, an early and reasonable fluid resuscitation plan is one of the important and indispensable treatment methods, but excessive fluid therapy will lead to the deterioration of the patient's condition. The passive leg raising test combined with dynamic monitoring of stroke volume or other surrogate indicators can predict the body's volume responsiveness.

[0003] However, the existing easy-to-operate passive leg-lifting test stand has the following problems during use: due to the small contact area between the leg-lifting board and the patient's legs, the squeezing force at the edge of the patient's legs is large, which affects the comfort of leg-lifting. Therefore, it is necessary to design a corresponding technical solution to solve the existing technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a passive leg-lifting test stand that is easy to operate, which solves the technical problem of affecting the comfort of leg lifting due to the small contact area between the leg-lifting board and the patient's legs and the large squeezing force at the edge of the patient's legs, thereby meeting actual use needs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: it includes a fixed bottom plate and a bearing platform, two telescopic rods are symmetrically arranged on the bearing platform, a connecting ring is arranged on the telescopic rod, two connecting plates are symmetrically arranged on the outer side of the connecting ring, a fixing rod is arranged on the end of the connecting plate, two fixing frames are symmetrically arranged on one side of the top of the fixing rod, a receiving plate is arranged between the fixing frame and the fixing frame on the fixing rod on the other side, Velcro is arranged on the receiving plate, a groove is opened in the middle of one side of the receiving plate, a fixing plate is arranged on one end of the top of the telescopic rod, a plurality of locking pieces are arranged on the bottom of the fixing plate, the locking pieces include a rotating plate, a receiving card plate and a fixing block, and a leg lifting plate is arranged on the top of the fixing plate.

[0006] As a preferred embodiment of the utility model, the supporting platform is fixed as a whole in the middle of the top of the fixed base plate, an anti-slip layer is bonded to the bottom of the fixed base plate, fastening bolts are installed on the telescopic rod, a connecting frame is installed in the middle of the bottom of the fixed plate, and the connecting frame is rotatably connected to the end of the telescopic rod.

[0007] As a preferred embodiment of the utility model, two guide slide rods are symmetrically arranged inside the load-bearing platform, a moving block is arranged between the guide slide rods, a tooth plate 1 is arranged inside the bottom of the load-bearing platform, a moving slider is arranged at a position close to one end of the bottom of the telescopic rod, a tooth plate 2 is arranged on one end of the bottom of the telescopic rod, a limiting plate is arranged on the telescopic rod at a position located at the bottom of the moving slider, and two springs are symmetrically arranged at the bottom of the limiting plate.

[0008] As a preferred embodiment of the utility model, the moving block and the guide slide rod are slidably connected, a through hole is opened in the middle of the moving block, a part of the telescopic rod is located in the through hole, and the tooth plate 2 is meshed and connected with the tooth plate 1.

[0009] As a preferred embodiment of the utility model, the movable slider is located on the bearing platform and is slidably connected therebetween. A movable hole for cooperating with the movable slider is provided on the bearing platform. The cross-section of the movable slider presents an "I"-shaped structure. The limit plate and the spring are both located inside the bearing platform. The bottom end of the spring is fixedly connected to the movable block.

[0010] As a preferred embodiment of the utility model, the connecting ring and the telescopic rod are movably connected, a positioning slider is provided on the end of the connecting plate, a sliding groove used to cooperate with the positioning slider is provided on one side of the fixing rod, the receiving plate is an arc-shaped structure, a pillow pad is placed on the receiving plate and is connected to the Velcro.

[0011] As a preferred embodiment of the utility model, the bottom of the fixed plate is provided with a groove body used in conjunction with the connecting plate and the fixed rod, the leg lifting plate is in an arc-shaped structure, a clamping belt is installed on the top of the fixed plate, the rotating plate is located on the fixed block and is rotatably connected therebetween, the cross-section of the fixed block is in a "T"-shaped structure, the receiving card plate is in an "L"-shaped structure as a whole, and the other end of the rotating plate is located on the receiving card plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] By using the fixed rod and the receiving plate and other components in coordination, the patient's legs can be placed between the leg-lifting board and the receiving plate, which can effectively extend the support area of ​​the patient's legs, reduce the pressure per unit area, and improve the comfort when lifting the legs. At the same time, after use, the fixed rod can be moved as a whole to the load-bearing platform without affecting the movement, and the telescopic rod is fixed in position by tooth plate one and tooth plate two. When the patient's legs are not placed on the leg-lifting board, the spacing between the telescopic rods can be conveniently adjusted. When the patient's legs are placed on the leg-lifting board, the telescopic rod automatically moves down, and tooth plate one and tooth plate two engage to fix the position of the telescopic rod, which is easy to use, thereby solving the problem affecting the comfort of leg lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall schematic diagram of the utility model;

[0015] Figure 2 This is a structural diagram of the receiving plate described in the utility model;

[0016] Figure 3 This is a structural diagram of the connecting plate described in the utility model;

[0017] Figure 4 This is a structural diagram of the fixed plate described in the utility model;

[0018] Figure 5 This is a structural diagram of the locking element of the utility model;

[0019] Figure 6 This is a structural diagram of the support platform described in the utility model;

[0020] Figure 7 This is a structural diagram of the movable slider described in the utility model.

[0021] In the figure: fixed base plate -1, bearing platform -2, fixed rod -3, telescopic rod -4, fixed plate -5, leg lifting plate -6, fixed frame -7, groove -8, connecting plate -9, receiving plate -10, Velcro -11, connecting ring -12, positioning slider -13, clamping belt -14, connecting frame -15, fixed block -16, rotating plate -17, receiving card plate -18, moving slider -19, moving block -20, tooth plate two -21, tooth plate one -22, guide slide rod -23, spring -24, limit plate -25. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-7 The utility model provides a technical solution: a passive leg-lifting test frame that is easy to operate, comprising: a fixed bottom plate 1 and a bearing platform 2, two telescopic rods 4 are symmetrically arranged on the bearing platform 2, a connecting ring 12 is arranged on the telescopic rod 4, two connecting plates 9 are symmetrically arranged on the outer side of the connecting ring 12, a fixing rod 3 is arranged on the end of the connecting plate 9, two fixing frames 7 are symmetrically arranged on one side of the top of the fixing rod 3, a receiving plate 10 is arranged between the fixing frame 7 and the fixing frame 7 on the other side of the fixing rod 3, a Velcro 11 is arranged on the receiving plate 10, a groove 8 is opened in the middle of one side of the receiving plate 10, a fixing plate 5 is arranged on one end of the top of the telescopic rod 4, a plurality of locking pieces are arranged on the bottom of the fixing plate 5, the locking piece comprises a rotating plate 17, a receiving card plate 18 and a fixing block 16, and a leg-lifting plate 6 is arranged on the top of the fixing plate 5. Through the coordinated use of components such as the fixing rod 3 and the receiving plate 10, the contact area with the patient's legs can be effectively extended, the pressure on the contact edge of the patient's legs can be reduced, and the comfort of leg lifting can be improved.

[0024] For further improvement, the supporting platform 2 is fixed as a whole in the middle of the top of the fixed base plate 1, the bottom of the fixed base plate 1 is bonded with an anti-slip layer, the telescopic rod 4 is installed with fastening bolts, and a connecting frame 15 is installed in the middle of the bottom of the fixed plate 5. The connecting frame 15 and the end of the telescopic rod 4 are rotatably connected, and the rotation between the connecting frame 15 and the telescopic rod 4 has damping. After the leg is lifted, the overall position of the fixed plate 5 can be manually moved back.

[0025] As a further improvement, two guide slides 23 are symmetrically arranged inside the load-bearing platform 2, a moving block 20 is arranged between the guide slides 23, a tooth plate 22 is arranged at the bottom of the load-bearing platform 2, a moving slider 19 is arranged at a position near one end of the bottom of the telescopic rod 4, a tooth plate 21 is arranged at one end of the bottom of the telescopic rod 4, a limiting plate 25 is arranged at a position located at the bottom of the moving slider 19 of the telescopic rod 4, and two springs 24 are symmetrically arranged at the bottom of the limiting plate 25.

[0026] As a further improvement, the moving block 20 is slidably connected to the guide slide rod 23 , a through hole is provided in the middle of the moving block 20 , a part of the telescopic rod 4 is located in the through hole, and the tooth plate 21 is meshedly connected with the tooth plate 1 22 .

[0027] As a further improvement, the movable slider 19 is located on the supporting platform 2 and is slidably connected therebetween. A movable hole is provided on the supporting platform 2 for use with the movable slider 19. The cross-section of the movable slider 19 is an "I"-shaped structure. The limit plate 25 and the spring 24 are both located inside the supporting platform 2, and the bottom end of the spring 24 is fixedly connected to the moving block 20.

[0028] As a further improvement, the connecting ring 12 and the telescopic rod 4 are movably connected, a positioning slider 13 is provided on the end of the connecting plate 9, a slide groove for cooperating with the positioning slider 13 is provided on one side of the fixed rod 3, the receiving plate 10 is an arc-shaped structure, a pillow pad is placed on the receiving plate 10 and connected to the Velcro 11.

[0029] As a further improvement, a groove body is provided at the bottom of the fixed plate 5 for cooperating with the connecting plate 9 and the fixed rod 3, the leg lifting plate 6 is in an arc-shaped structure, a clamping belt 14 is installed on the top of the fixed plate 5, the rotating plate 17 is located on the fixed block 16 and is rotatably connected therebetween, the cross-section of the fixed block 16 is in a "T"-shaped structure, the receiving card plate 18 is in an "L"-shaped structure as a whole, and the other end of the rotating plate 17 is located on the receiving card plate 18.

[0030] When in use: the utility model first moves the fixed bottom plate 1 as a whole to a suitable operating position, then moves the two telescopic rods 4, adjusts the distance between the telescopic rods 4 to a suitable position, then moves the two fixed rods 3 upwards, and snaps them into the groove at the bottom of the fixed plate 5, and rotates the rotating plate 17 so that one end snaps into the receiving card plate 18, so that the fixed rods 3 can be fixed as a whole, and then the patient's legs are placed on the leg-lifting plate 6 and the receiving plate 10. Through the leg-lifting plate 6 and the receiving plate 10, the support area of ​​the patient's legs can be effectively extended. , reducing the pressure per unit area and improving the comfort when lifting the legs. When the patient's legs are placed on the leg-lifting plate 6 and the receiving plate 10, the weight of the patient's legs will drive the telescopic rod 4 to move downward, so that the tooth plate 1 22 and the tooth plate 2 21 are engaged and contacted, and the position of the telescopic rod 4 can be fixed, which improves the convenience of use. At the same time, when the legs are placed, affected by the overall inclination of the legs, in conjunction with the connecting frame 15, the fixing plate 5 and the receiving plate 10 can be driven to incline synchronously with the inclination of the legs as a whole, thereby ensuring comfort during use.

[0031] The utility model comprises a fixed bottom plate 1, a bearing platform 2, a fixed rod 3, a telescopic rod 4, a fixed plate 5, a leg lifting plate 6, a fixed frame 7, a groove 8, a connecting plate 9, a receiving plate 10, a Velcro 11, a connecting ring 12, a positioning slider 13, a pressing belt 14, a connecting frame 15, a fixed block 16, a rotating plate 17, a receiving card plate 18, a moving slider 19, a moving block 20, a tooth plate 21, a tooth plate 1 22, a guide slide bar 23, a spring 24, and a limit plate 2 5. All the components are universal standard parts or components known to the technical personnel in this field. Their structures and principles can be known by the technical personnel in this field through the technical manual or through conventional experimental methods. The problem solved by the utility model is that the contact area between the leg lifting board and the patient's legs is small, and the squeezing force at the edge of the patient's legs is large, which affects the comfort of leg lifting. The utility model combines the above components with each other. The support assembly composed of the fixing rod 3, the receiving plate 10, the connecting plate 9 and the fixing frame 7 of the utility model can well extend the support area for the patient's legs. The fixing rod 3 moves upward and is inserted into the groove body at the bottom of the fixing plate 5, and the rotating plate 17 is rotated so that one end is inserted into the receiving card plate 18, so that the fixing rod 3 can be fixed as a whole. Then, the patient's legs are placed on the leg lifting board 6 and the receiving plate 10. Through the leg lifting board 6 and the receiving plate 10, the support area of ​​the patient's legs can be effectively extended, the pressure per unit area can be reduced, and the comfort when lifting the legs is improved. The tooth plate 1 22 and the tooth plate 2 21 in the utility model The fixing assembly composed of the moving slider 19 and the moving block 20 can, after the patient's legs are placed on the leg-lifting board 6, use the patient's leg weight to drive the telescopic rod 4 to move downward, so that the tooth plate 1 22 and the tooth plate 2 21 are engaged and contacted, so as to fix the position of the telescopic rod 4, thereby improving the convenience of use. At the same time, when the legs are placed, affected by the overall inclination of the legs, in conjunction with the connecting frame 15, the fixing plate 5 and the receiving plate 10 can be driven to incline synchronously with the inclination of the legs as a whole, thereby ensuring comfort during use.

[0032] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A passive leg raising test stand that is easy to operate, characterized by: The invention comprises a fixed bottom plate (1) and a bearing platform (2), wherein two telescopic rods (4) are symmetrically arranged on the bearing platform (2), a connecting ring (12) is arranged on the telescopic rod (4), two connecting plates (9) are symmetrically arranged on the outer side of the connecting ring (12), a fixed rod (3) is arranged on the end of the connecting plate (9), two fixing frames (7) are symmetrically arranged on one side of the top of the fixed rod (3), a receiving plate (10) is arranged between the fixing frame (7) and the fixing frame (7) on the other side of the fixed rod (3), a Velcro (11) is arranged on the receiving plate (10), a groove (8) is opened in the middle of one side of the receiving plate (10), a fixed plate (5) is arranged on one end of the top of the telescopic rod (4), a plurality of locking pieces are arranged on the bottom of the fixing plate (5), the locking pieces comprise a rotating plate (17), a receiving card plate (18) and a fixing block (16), and a leg lifting plate (6) is arranged on the top of the fixing plate (5).

2. The easy-to-operate passive leg raising test stand according to claim 1, characterized in that: The supporting platform (2) is integrally fixed in the middle of the top of the fixed base plate (1); an anti-slip layer is bonded to the bottom of the fixed base plate (1); a fastening bolt is installed on the telescopic rod (4); a connecting frame (15) is installed in the middle of the bottom of the fixed plate (5); and the connecting frame (15) is rotatably connected to the end of the telescopic rod (4).

3. The easy-to-operate passive leg raising test stand according to claim 1, characterized in that: Two guide slide bars (23) are symmetrically arranged inside the bearing platform (2), a moving block (20) is arranged between the guide slide bars (23), a tooth plate 1 (22) is arranged inside the bottom of the bearing platform (2), a moving slide block (19) is arranged at a position close to one end of the bottom of the telescopic rod (4), a tooth plate 2 (21) is arranged at one end of the bottom of the telescopic rod (4), a limit plate (25) is arranged at a position located at the bottom of the moving slide block (19), and two springs (24) are symmetrically arranged at the bottom of the limit plate (25).

4. The easy-to-operate passive leg raising test stand according to claim 3, characterized in that: The moving block (20) and the guide slide rod (23) are slidably connected, a through hole is provided in the middle of the moving block (20), a part of the telescopic rod (4) is located in the through hole, and the tooth plate 2 (21) is meshedly connected with the tooth plate 1 (22).

5. The easy-to-operate passive leg raising test stand according to claim 3, characterized in that: The movable slider (19) is located on the bearing platform (2) and is slidably connected thereto. The bearing platform (2) is provided with a movable hole for use with the movable slider (19). The cross section of the movable slider (19) is in an "I"-shaped structure. The limit plate (25) and the spring (24) are both located inside the bearing platform (2). The bottom end of the spring (24) is fixedly connected to the movable block (20).

6. The easy-to-operate passive leg raising test stand according to claim 1, characterized in that: The connecting ring (12) and the telescopic rod (4) are movably connected, a positioning slider (13) is provided on the end of the connecting plate (9), a sliding groove for cooperating with the positioning slider (13) is provided on one side of the fixing rod (3), the receiving plate (10) is in an arc-shaped structure, a pillow is placed on the receiving plate (10) and is connected to the Velcro (11).

7. The easy-to-operate passive leg raising test stand according to claim 1, characterized in that: The bottom of the fixed plate (5) is provided with a groove body used in conjunction with the connecting plate (9) and the fixed rod (3); the leg-lifting plate (6) is in an arc-shaped structure; a clamping belt (14) is installed on the top of the fixed plate (5); the rotating plate (17) is located on the fixed block (16) and is rotatably connected thereto; the cross-section of the fixed block (16) is in a "T"-shaped structure; the receiving card plate (18) is in an "L"-shaped structure as a whole; the other end of the rotating plate (17) is located on the receiving card plate (18).