CN116172825B

CN116172825B - Leg support

Info

Publication number: CN116172825B
Application number: CN202310449161.8A
Authority: CN
Inventors: 孔祥朋; 柴伟; 杨敏之; 谷旺; 张帅; 黄一健; 智信; 张少坤; 毛联甲
Original assignee: Beijing AK Medical Co Ltd
Current assignee: Beijing AK Medical Co Ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-07-28
Anticipated expiration: 2043-04-24
Also published as: CN116172825A

Abstract

The present invention provides a leg support, comprising: the mounting seat is provided with a sickbed connecting part; the lower end of the first vertical rod section is connected with the mounting seat, the upper end of the first vertical rod section is connected with the first end of the first transverse rod section, and the first mounting rod is rotatable relative to the mounting seat around the axis of the first vertical rod section; the lower end of the second vertical rod section is connected with the second end of the first transverse rod section, the upper end of the second vertical rod section is connected with the first end of the second transverse rod section, the second end of the second transverse rod section is provided with a suspension piece, and the second mounting rod is rotatable relative to the first mounting rod around the axis of the second vertical rod section; the first locking piece can limit the rotation of the first mounting rod relative to the mounting seat; the second locking member is capable of restricting rotation of the second mounting bar relative to the first mounting bar. Through the technical scheme that this application provided, can solve the unable problem of adjusting the position of hanging in a flexible way according to patient's actual conditions among the correlation technique.

Description

Leg support

Technical Field

The invention relates to the technical field of lower limb surgery, in particular to a leg support.

Background

The artificial hip joint replacement is a standard orthopedic treatment technology aiming at the rehabilitation treatment of the hip joint diseases in the orthopedic field, and is a mature and reliable treatment means for reconstructing the normal functions of the hip joint of a patient. The artificial prosthesis is fixed on normal bone by bone cement and screws to replace diseased joints, and comprises acetabulum and femur parts. The artificial hip joint replacement mainly comprises two postures of a lying position and a lateral lying position. At present, more than 90% of doctors in China use the lateral position to perform hip joint replacement operation, and the lateral position is adopted to perform hip joint replacement operation, so that the operation sterilization, towel spreading, monitoring and nursing are facilitated, postoperative infection (the infection rate is less than 1%) can be effectively avoided, lower limbs of patients are not limited by an operation table top, and the patients can bend forwards, stretch backwards or rotate left and right, so that the operation is facilitated.

In the related art, hip replacement surgery is performed in a lateral position, and a leg of a patient to be operated needs to be lifted up to a certain height.

However, in the related art, the leg of the patient is suspended by the infusion support, and the suspension position cannot be flexibly adjusted according to the actual situation of the patient.

Disclosure of Invention

The invention provides a leg support, which solves the problem that the suspension position can not be flexibly adjusted according to the actual condition of a patient in the related technology.

The present invention provides a leg support, the leg support comprising: the mounting seat is provided with a sickbed connecting part; the first mounting rod comprises a first vertical rod section and a first transverse rod section, the lower end of the first vertical rod section is connected with the mounting seat, the upper end of the first vertical rod section is connected with the first end of the first transverse rod section, and the first mounting rod is rotatable relative to the mounting seat around the axis of the first vertical rod section; the second installation rod comprises a second vertical rod section and a second transverse rod section, the lower end of the second vertical rod section is connected with the second end of the first transverse rod section, the upper end of the second vertical rod section is connected with the first end of the second transverse rod section, the second end of the second transverse rod section is provided with a suspension piece, and the second installation rod is rotatable relative to the first installation rod around the axis of the second vertical rod section; the first locking piece can limit the rotation of the first mounting rod relative to the mounting seat around the axis of the first vertical rod section; the second locking piece can limit the rotation of the second mounting rod relative to the first mounting rod around the axis of the second vertical rod section.

Further, the mount includes: the sickbed connecting part is arranged on the first side of the base body; the rotating seat is arranged on the second side of the base body, the lower end of the first vertical rod section is rotatably connected with the rotating seat around the axis of the lower end of the first vertical rod section, the rotating seat is rotatable relative to the base body, the rotating axis of the rotating seat relative to the base body is parallel to the first horizontal direction, a locking structure is arranged between the base body and the rotating seat, and the locking structure can limit the rotating seat to rotate relative to the base body.

Further, the rotating seat includes: the connecting column extends along the first horizontal direction, and one end of the connecting column is connected with the first side of the base body; the movable sleeve is movably sleeved on the connecting column along the axial direction of the connecting column, the lower end of the first vertical rod section rotatably penetrates through the movable sleeve around the axis of the first vertical rod section, and when the movable sleeve is abutted with the mounting seat, the locking structure can limit the rotation of the rotating seat relative to the base body.

Further, the locking structure includes: the first tooth-shaped structure is arranged on the movable sleeve; the second tooth-shaped structure is arranged on the base body, the second tooth-shaped structure can be meshed with the first tooth-shaped structure, the first tooth-shaped structure and the second tooth-shaped structure are annular gear rings extending along the circumference of the movable sleeve, and when the movable sleeve is abutted against the mounting seat, the first tooth-shaped structure and the second tooth-shaped structure are meshed.

Further, a round hole is formed in the movable sleeve, a strip-shaped hole extending in the first horizontal direction is formed in the connecting column, and the lower end of the first vertical rod section is movable in the axial direction and rotatably penetrates through the round hole and the strip-shaped hole around the axis of the lower end of the first vertical rod section.

Further, the first locking piece is worn to locate the spliced pole and with spliced pole screw thread cooperation along the axial of spliced pole, and first locking piece stretches into the bar downthehole, and first locking piece can with first vertical pole section butt to make the pore wall butt in first vertical pole section and bar hole, movable sleeve and base member butt.

Further, the outer side wall of the connecting column is provided with a protrusion, the outer side wall of the movable sleeve is provided with a guide hole, the guide hole is a strip-shaped through hole extending along the first horizontal direction, the protrusion extends into the guide hole, and the protrusion can move in the guide hole along the first horizontal direction.

Further, the first mounting rod further comprises a third vertical rod section, the lower end of the third vertical rod section is connected with the second end of the first transverse rod section, the upper end of the third vertical rod section is movable along the axis of the third vertical rod section and rotatably penetrates through the second vertical rod section around the axis of the third vertical rod section, and the second locking piece penetrates through the side wall of the second vertical rod section and is abutted against the side wall of the third vertical rod section so as to limit the rotation and movement of the third vertical rod section relative to the second vertical rod section.

Further, the suspension member includes: the hanging ring is arranged at the second end of the second transverse rod section; and both ends of the nylon belt are connected with the hanging rings.

Further, the sickbed connecting portion is a compatibility groove arranged on the mounting seat, the compatibility groove penetrates through two ends of the mounting seat along a second horizontal direction, the second horizontal direction is perpendicular to the first horizontal direction, the leg support further comprises a third locking piece, the third locking piece penetrates through the mounting seat along the vertical direction and stretches into the compatibility groove, and the third locking piece is in threaded fit with the mounting seat.

According to the technical scheme, the leg support comprises the mounting seat, the first mounting rod, the second mounting rod, the first locking piece and the second locking piece, the mounting seat is connected with the sickbed through the sickbed connecting part, the relative position of the mounting seat in the length direction of the sickbed is changed, and accordingly the relative position of the hanging piece in the length direction of the sickbed is changed. The double rotation is utilized to avoid the change of the relative position of the suspension piece in the length direction of the sickbed, so that the position adjustment of the suspension piece in the length direction of the sickbed and the position adjustment of the suspension piece in the width direction of the sickbed are mutually independent, and the suspension position is flexibly adjusted according to the actual condition of a patient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 shows a schematic structural view of a leg support provided according to an embodiment of the present invention;

FIG. 2 illustrates a partial cross-sectional view of a first mounting bar, a second mounting bar, and a suspension of a leg bracket provided in accordance with an embodiment of the present invention;

FIG. 3 shows a partial enlarged view at A in FIG. 2;

FIG. 4 illustrates a side view of a first mounting bar, a second mounting bar, and a suspension of a leg bracket provided in accordance with an embodiment of the present invention;

FIG. 5 shows a cross-sectional view of a mounting base for a leg support provided in accordance with an embodiment of the present invention;

FIG. 6 illustrates a side view of a mounting base for a leg support provided in accordance with an embodiment of the present invention;

fig. 7 shows a schematic view of a leg support, a hospital bed and a patient provided according to an embodiment of the invention.

Wherein the above figures include the following reference numerals:

10. a mounting base; 11. a sickbed connection part; 111. a compatibility groove; 12. a base; 13. a rotating seat; 131. a connecting column; 1311. a bar-shaped hole; 132. a movable sleeve; 1321. a round hole;

20. a first mounting bar; 21. a first vertical pole segment; 22. a first transverse bar segment; 23. a third vertical pole segment;

30. a second mounting bar; 31. a second vertical pole segment; 32. a second transverse bar segment; 321. a suspension member; 3211. a hanging ring; 3212. a nylon belt;

41. a first locking member; 42. a second locking member; 43. and a third locking member.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1 to 7, the embodiment of the present invention provides a leg support, the leg support includes a mounting base 10, a first mounting bar 20, a second mounting bar 30, a first locking member 41 and a second locking member 42, the mounting base 10 has a sickbed connection 11, the first mounting bar 20 includes a first vertical bar section 21 and a first lateral bar section 22, a lower end of the first vertical bar section 21 is connected to the mounting base 10, an upper end of the first vertical bar section 21 is connected to a first end of the first lateral bar section 22, the first mounting bar 20 is rotatable about an axis of the first vertical bar section 21 with respect to the mounting base 10, the second mounting bar 30 includes a second vertical bar section 31 and a second lateral bar section 32, a lower end of the second vertical bar section 31 is connected to a second end of the first lateral bar section 22, a second end of the second lateral bar section 32 is provided with a hanger 321, the second mounting bar 30 is rotatable about an axis of the second vertical bar section 21 with respect to the first mounting bar section 20 about a first axis of the second mounting bar section 31, and the second mounting bar section 30 is rotatable about the first axis of the first mounting bar section 20 with respect to the first axis of the second locking member 42 is restrained about the first axis of the first mounting bar section 20.

By applying the leg support provided in this embodiment, the mounting base 10 is connected to the hospital bed by the hospital bed connecting portion 11, the relative position of the mounting base 10 in the length direction of the hospital bed is changed, and thus the relative position of the suspension 321 in the length direction of the hospital bed is changed, since the first mounting bar 20 includes the first vertical bar section 21 and the first lateral bar section 22, the second mounting bar 30 includes the second vertical bar section 31 and the second lateral bar section 32, the first mounting bar 20 is rotatable with respect to the mounting base 10 about the axis of the first vertical bar section 21, the second mounting bar 30 is rotatable with respect to the first mounting bar 20 about the axis of the second vertical bar section 31, and the second end of the second lateral bar section 32 is provided with the suspension 321, whereby the relative position of the suspension 321 in the width direction of the hospital bed can be changed by the rotation of the first mounting bar 20 with respect to the mounting base 10 and the rotation of the second mounting bar 30 with respect to the first mounting bar 20, and after adjustment, the first locking member 41 can be fixed with respect to the first mounting bar 20 by the second locking member 42, depending on the position of the patient in the width direction of the hospital bed. By utilizing the double rotation, the relative position of the suspension piece 321 in the length direction of the sickbed is prevented from being changed, so that the position adjustment of the suspension piece 321 in the length direction of the sickbed and the position adjustment of the suspension piece 321 in the width direction of the sickbed are mutually independent, and the suspension position is flexibly adjusted according to the actual condition of a patient.

And, avoid when adjusting the position of suspension 321 in the width direction of sick bed, suspension 321 takes place to remove in the length direction of sick bed to avoid causing the pulling to patient's joint, reduce the damage to the patient.

As shown in fig. 1, the mounting base 10 comprises a base body 12 and a rotating base 13, the base body 12 has a first side and a second side, the sickbed connecting portion 11 is arranged on the first side of the base body 12, the rotating base 13 is arranged on the second side of the base body 12, the lower end of the first vertical rod section 21 is rotatably connected with the rotating base 13 around the axis thereof, the rotating base 13 is rotatable relative to the base body 12, the rotating axis of the rotating base 13 relative to the base body 12 is parallel to the first horizontal direction, a locking structure is arranged between the base body 12 and the rotating base 13, and the locking structure can limit the rotation of the rotating base 13 relative to the base body 12. The rotation of the rotating seat 13 relative to the base 12 can change the relative position of the suspension 321 in the length direction of the sickbed, and after the adjustment is finished, the locking structure is used for fixing the relative position of the rotating seat 13 relative to the base 12, so that the position adjustment of the suspension 321 in the length direction of the sickbed is easy to operate without disassembling the mounting seat 10.

As shown in fig. 5, the rotating base 13 includes a connecting post 131 and a movable sleeve 132, the connecting post 131 extends along a first horizontal direction, one end of the connecting post 131 is connected with the first side of the base 12, the movable sleeve 132 is movably sleeved on the connecting post 131 along an axial direction of the connecting post 131, the lower end of the first vertical rod section 21 rotatably penetrates through the movable sleeve 132 around an axis thereof, and when the movable sleeve 132 abuts against the mounting base 10, the locking structure can limit the rotating base 13 to rotate relative to the base 12. When the movable sleeve 132 moves to switch the locking state of the locking structure, the moving direction of the movable sleeve 132 is ensured to be stable and reliable by the connecting post 131.

In this embodiment, the locking structure includes a first tooth-shaped structure and a second tooth-shaped structure, the first tooth-shaped structure is disposed on the movable sleeve 132, the second tooth-shaped structure is disposed on the base 12, the second tooth-shaped structure can be meshed with the first tooth-shaped structure, the first tooth-shaped structure and the second tooth-shaped structure are ring-shaped gear rings extending along the circumference of the movable sleeve 132, and when the movable sleeve 132 is abutted against the mounting base 10, the first tooth-shaped structure and the second tooth-shaped structure are meshed. By adopting the first tooth-shaped structure and the second tooth-shaped structure, in the moving process of the movable sleeve 132, if the first tooth-shaped structure and the second tooth-shaped structure are meshed, the movable sleeve 132 can be limited to rotate relative to the mounting seat 10, and if the first tooth-shaped structure and the second tooth-shaped structure are separated, the movable sleeve 132 can rotate relative to the mounting seat 10.

As shown in fig. 5, the movable sleeve 132 is provided with a circular hole 1321, the connecting post 131 is provided with a bar-shaped hole 1311 extending in the first horizontal direction, and the lower end of the first vertical rod section 21 is movable in the axial direction thereof and rotatably penetrates through the circular hole 1321 and the bar-shaped hole 1311 around the axis thereof. During movement of the movable sleeve 132, the first mounting bar 20 is allowed to move within the bar-shaped hole 1311 with movement of the movable sleeve 132.

As shown in fig. 5, the first locking member 41 penetrates the connecting post 131 along the axial direction of the connecting post 131 and is in threaded fit with the connecting post 131, the first locking member 41 extends into the bar-shaped hole 1311, and the first locking member 41 can be abutted with the first vertical rod section 21 so that the first vertical rod section 21 is abutted with the wall of the bar-shaped hole 1311, and the movable sleeve 132 is abutted with the base 12. With the above-described structure, the rotation of the first vertical pole segment 21 with respect to the mount 10 and the movement of the movable sleeve 132 with respect to the base 12 can be simultaneously restricted by the first locking piece 41.

Moreover, the first vertical rod section 21 is movable along its axis relative to the mounting base 10, so that the height of the first transverse rod section 22 can be adjusted according to the height of the side rail of the hospital bed, avoiding that the rotation of the first mounting rod 20 is limited by the side rail.

In this embodiment, the outer sidewall of the connecting post 131 is provided with a protrusion, the outer sidewall of the movable sleeve 132 is provided with a guide hole, the guide hole is a bar-shaped through hole extending along the first horizontal direction, the protrusion extends into the guide hole, and the protrusion can move in the guide hole along the first horizontal direction. With the above-mentioned protrusions and guide holes, the movable sleeve 132 is prevented from rotating relative to the connection post 131 during the movement of the movable sleeve 132 relative to the connection post 131, and the circular hole 1321 and the bar-shaped hole 1311 are ensured to be aligned all the time.

As shown in fig. 1 to 3, the first mounting rod 20 further includes a third vertical rod section 23, the lower end of the third vertical rod section 23 is connected to the second end of the first transverse rod section 22, the upper end of the third vertical rod section 23 is movable along its axis and rotatably penetrates the second vertical rod section 31 around its axis, and the second locking member 42 penetrates the side wall of the second vertical rod section 31 and abuts against the side wall of the third vertical rod section 23 to limit the rotation and movement of the third vertical rod section 23 relative to the second vertical rod section 31. With the above-described structure, the relative position of the suspension 321 in the height direction can be adjusted according to the height of the patient, and the rotation and movement of the third vertical pole segment 23 relative to the second vertical pole segment 31 can be simultaneously restricted by the second locking member 42.

As shown in fig. 1, the suspension member 321 includes a hanging ring 3211 and a nylon belt 3212, the hanging ring 3211 is disposed at a second end of the second transverse rod segment 32, and two ends of the nylon belt 3212 are connected to the hanging ring 3211. By adopting the hanging piece 321, the length of the nylon belt 3212 and the interval between the two ends of the nylon belt 3212 are proper, in the lateral position, the legs of a patient can be firmly fixed, the slipping of the legs of the patient is avoided, medical staff specially supporting the legs is omitted, and the problems of fracture caused by side-lying operation patient leg disinfection requirement and over-heavy lower limb weight are solved.

The inventor finds that the problem that the leg of the patient is not firmly fixed by adopting the infusion support to suspend the leg of the patient in the related art is solved, the problem that the leg of the patient with heavy weight is very easy to roll over and slip and has fracture risk in the suspension process is solved, and special medical care personnel are required to support the leg of the patient, in the embodiment, the leg of the patient is fixed by utilizing the nylon belt 3212, the leg of the patient is prevented from slipping, the medical care personnel special for supporting the leg are omitted, and the problem that the leg disinfection requirement of the patient in the lateral position and the problem that the leg of the patient with heavy weight of the lower limb causes the roll over and slip to cause fracture is solved.

As shown in fig. 5, the sickbed connecting portion 11 is a matching groove 111 arranged on the mounting base 10, the matching groove 111 penetrates through two ends of the mounting base 10 along a second horizontal direction, the second horizontal direction is perpendicular to the first horizontal direction, the leg support further comprises a third locking piece 43, the third locking piece 43 penetrates through the mounting base 10 along a vertical direction and stretches into the matching groove 111, and the third locking piece 43 is in threaded fit with the mounting base 10. The above-mentioned matching groove 111 can be used to match with 90% of the commercial surgical beds, and the third locking member 43 can be used to firmly fix the mounting base 10 to the side of the hospital bed.

The inventor found that the problem of low suitability of the operation bed is also caused by the use of the infusion support to suspend the leg of the patient in the related art, and the device for suspending the leg of the patient in the related art can be applied to only a specific and dedicated operation bed, but the present embodiment can improve the suitability of the leg support to the operation bed by providing the compatibility groove 111 in the mount 10.

The first horizontal direction refers to the width direction of the hospital bed, and the second horizontal direction refers to the length direction of the hospital bed.

The device provided by the embodiment has the following beneficial effects:

(1) The positions of the hanging pieces 321 are adjusted in all directions by utilizing the rotation of the first vertical rod section 21 relative to the mounting seat 10 around the axis thereof, the rotation of the rotating seat 13 relative to the base body 12, the rotation of the second vertical rod section 31 relative to the third vertical rod section 23 around the axis thereof and the movement of the second vertical rod section 31 relative to the third vertical rod section 23 along the axis thereof, the sterilization requirements of patients with different ages, heights and weights are met, the joint angles are controlled according to the operation requirements, and the joints of patients with loose joints can be properly pulled, so that the sterilization is convenient, and the operation infection risk is reduced;

(2) By utilizing the movement of the first vertical rod section 21 along the axis thereof relative to the mounting seat 10, the height of the first transverse rod section 22 can be adjusted according to the height of the side guardrails of the sickbed, so that the rotation of the first mounting rod 20 is prevented from being limited by the side guardrails;

(3) By adopting the hanging ring 3211 and the nylon belt 3212, the length of the nylon belt 3212 and the distance between the two ends of the nylon belt 3212 are proper, in the lateral position, the legs of a patient can be firmly fixed, the legs of the patient are prevented from slipping, medical staff specially used for supporting the legs is omitted, and the problems of fracture caused by side-lying operation patient leg disinfection requirement and side-lying caused by slippage due to overlarge weight of lower limbs are solved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A leg support, the leg support comprising:

a mounting base (10) provided with a sickbed connecting part (11);

the first mounting rod (20) comprises a first vertical rod section (21) and a first transverse rod section (22), wherein the lower end of the first vertical rod section (21) is connected with the mounting seat (10), the upper end of the first vertical rod section (21) is connected with the first end of the first transverse rod section (22), and the first mounting rod (20) is rotatable relative to the mounting seat (10) around the axis of the first vertical rod section (21);

the second mounting rod (30) comprises a second vertical rod section (31) and a second transverse rod section (32), wherein the lower end of the second vertical rod section (31) is connected with the second end of the first transverse rod section (22), the upper end of the second vertical rod section (31) is connected with the first end of the second transverse rod section (32), the second end of the second transverse rod section (32) is provided with a suspension piece (321), and the second mounting rod (30) is rotatable relative to the first mounting rod (20) around the axis of the second vertical rod section (31);

a first locking member (41) capable of limiting the rotation of the first mounting bar (20) about the axis of the first vertical bar section (21) with respect to the mounting seat (10);

a second locking member (42) capable of limiting the rotation of the second mounting bar (30) about the axis of the second vertical bar section (31) relative to the first mounting bar (20);

the mounting seat (10) comprises a base body (12) and a rotating seat (13), the base body (12) is provided with a first side and a second side, the sickbed connecting part (11) is arranged on the first side of the base body (12), the rotating seat (13) is arranged on the second side of the base body (12), the lower end of the first vertical rod section (21) is rotatably connected with the rotating seat (13) around the axis of the first vertical rod section, the rotating seat (13) is rotatable relative to the base body (12), the rotating seat (13) is parallel to the first horizontal direction relative to the rotating axis of the base body (12), and a locking structure is arranged between the base body (12) and the rotating seat (13);

the rotary seat (13) comprises a connecting column (131) and a movable sleeve (132), the connecting column (131) extends along the first horizontal direction, one end of the connecting column (131) is connected with the first side of the base body (12), the movable sleeve (132) is movably sleeved on the connecting column (131) along the axial direction of the connecting column (131), and the lower end of the first vertical rod section (21) rotatably penetrates through the movable sleeve (132) around the axis of the lower end of the first vertical rod section;

the movable sleeve (132) is provided with a round hole (1321), the connecting column (131) is provided with a strip-shaped hole (1311) extending along the first horizontal direction, and the lower end of the first vertical rod section (21) is axially movable along the first vertical rod section and rotatably penetrates through the round hole (1321) and the strip-shaped hole (1311) around the axis of the first vertical rod section;

the first locking piece (41) is arranged on the connecting column (131) in a penetrating mode along the axial direction of the connecting column (131) and is in threaded fit with the connecting column (131), the first locking piece (41) stretches into the strip-shaped hole (1311), the first locking piece (41) can be abutted to the first vertical rod section (21), so that the first vertical rod section (21) is abutted to the hole wall of the strip-shaped hole (1311), the movable sleeve (132) is abutted to the base body (12), and the locking structure can limit the rotation of the rotating seat (13) relative to the base body (12).

2. The leg rest of claim 1, wherein the locking structure comprises:

the first tooth-shaped structure is arranged on the movable sleeve (132);

the second tooth-shaped structure is arranged on the base body (12), the second tooth-shaped structure can be meshed with the first tooth-shaped structure, the first tooth-shaped structure and the second tooth-shaped structure are annular gear rings extending along the circumferential direction of the movable sleeve (132), and when the movable sleeve (132) is abutted to the mounting seat (10), the first tooth-shaped structure is meshed with the second tooth-shaped structure.

3. Leg support according to claim 1, characterized in that the outer side wall of the connecting column (131) is provided with a protrusion, the outer side wall of the movable sleeve (132) is provided with a guide hole, the guide hole is a bar-shaped through hole extending in the first horizontal direction, the protrusion extends into the guide hole, and the protrusion can move in the guide hole in the first horizontal direction.

4. A leg rest according to any one of claims 1 to 3, wherein the first mounting bar (20) further comprises a third vertical bar section (23), the lower end of the third vertical bar section (23) being connected to the second end of the first transverse bar section (22), the upper end of the third vertical bar section (23) being movable along its axis and rotatably threaded through the second vertical bar section (31) about its axis, the second locking member (42) being threaded through a side wall of the second vertical bar section (31) and abutting against a side wall of the third vertical bar section (23) to limit rotation and movement of the third vertical bar section (23) relative to the second vertical bar section (31).

5. A leg rest according to any one of claims 1 to 3, characterized in that the suspension (321) comprises:

a lifting ring (3211) disposed at a second end of the second transverse pole segment (32);

and the two ends of the nylon belt (3212) are connected with the hanging ring (3211).

6. A leg support according to any one of claims 1 to 3, wherein the hospital bed connecting part (11) is a matching groove (111) arranged on the mounting seat (10), the matching groove (111) penetrates through two ends of the mounting seat (10) along a second horizontal direction, the second horizontal direction is perpendicular to the first horizontal direction, the leg support further comprises a third locking piece (43), the third locking piece (43) penetrates through the mounting seat (10) vertically and stretches into the matching groove (111), and the third locking piece (43) is in threaded fit with the mounting seat (10).