Image shooting auxiliary device

Abstract

The utility model provides an image shooting auxiliary device, including a stand, a lifting frame and a bracket; the stand is vertically arranged opposite to each other; the lifting frame includes a mounting beam, and the two ends of the mounting beam are respectively mounted on the stand in a lifting manner through a lifting device; there are two brackets, which are arranged opposite to each other on the left and right sides; one end of the bracket is mounted on the mounting beam in a movable manner on the left and right sides through a moving device, and the other end forms a support part suitable for supporting a human body from the armpit of the human body. When filming, the lifting frame is adjusted to a suitable height by operating the lifting device, and the two brackets are spaced at a suitable distance by operating the moving device. Then the patient is moved between the two brackets, so that the patient's armpits on both sides are supported on the two supporting parts, so that the patient can maintain an upright position for filming. The image shooting auxiliary device of the utility model enables patients who cannot stand independently to complete filming alone without assistance, thereby avoiding unnecessary radiation risks for medical staff, and also reducing the workload of medical staff.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, and in particular to an image shooting auxiliary device which can enable a patient who cannot stand independently to complete filming by himself without assistance. Background Art

[0002] X-rays are electromagnetic waves with a very short wavelength and strong penetrating power. They are widely used in clinical diagnosis and treatment, such as chest X-rays, abdominal plain films, cholecystography, gastrointestinal angiography and angiography. At the same time, since X-rays can inhibit, damage or even cause necrosis of biological cells when irradiating biological organisms, causing pathological or biochemical changes to varying degrees, X-rays are also used to treat certain human diseases, especially tumors.

[0003] When it is necessary to take an abdominal standing plain film or a chest plain film, the patient needs to be in an upright position for filming. For patients with lower limb paralysis or unable to stand normally, in order to ensure the smooth progress of filming, each filming requires the support of the patient's family or medical staff to keep the patient upright. In addition, when filming infants and young children, because they cannot maintain a standing posture independently and have poor compliance, 1-2 adult family members must assist. Whether it is for adult patients who cannot stand due to paralysis or for infants and young children who cannot stand independently due to their young age, others are required to assist when filming. X-rays are radioactive and are not good for human health. If the person who supports is a family member of the patient, the harm is relatively small due to the small number of films, and if the person who supports is a medical staff, due to the large number of films, it will have a greater impact on the health of the medical staff.

[0004] Therefore, how to design an auxiliary device that allows patients who are unable to stand independently to complete filming without assistance is a technical problem that has not been solved in reality. Utility Model Content

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the technical defects in the prior art that patients who are unable to maintain a standing posture due to lower limb paralysis or young age need to be supported by family members or medical staff to ensure filming in a standing position, which causes family members or medical staff to be exposed to unnecessary radiation, affects their health, and increases the workload of medical staff. The utility model thus provides an image shooting auxiliary device that enables patients who are unable to stand independently to complete filming alone without any assistance.

[0006] To this end, the utility model provides an image shooting auxiliary device, comprising:

[0007] The stand consists of two pieces, which are arranged vertically opposite to each other;

[0008] The lifting frame comprises a horizontally arranged mounting beam, and both ends of the mounting beam are respectively mounted on the vertical frame in a liftable manner through a lifting device;

[0009] There are two brackets, which are arranged opposite to each other on the left and right sides; one end of the bracket is installed on the mounting beam so as to be movable left and right through a moving device, and the other end extends in a direction away from the mounting beam, and a supporting part suitable for supporting a human body from the armpit is formed at the end.

[0010] Furthermore, the lifting device comprises:

[0011] The guide rails are in two groups, and are respectively arranged on the two vertical frames in the vertical direction;

[0012] There are two sliders, which are respectively installed on the two sets of guide rails and can be lifted and lowered along the guide rails; the two sliders are respectively fixedly connected to the two ends of the mounting beam;

[0013] The lifting and lowering adjustment mechanism is installed on the stand and is in driving connection with the slider; the lifting and lowering adjustment mechanism is used to drive the slider to move up and down along the guide rail.

[0014] Furthermore, the lifting and adjusting mechanism comprises:

[0015] There are two first pulleys, which are rotatably mounted on the inner sides of the two vertical frames and are opposite to each other on the left and right sides; the first pulleys are located below the guide rails;

[0016] There are two second pulleys, which are rotatably mounted on the inner sides of the two frames and are opposite to each other. The second pulleys are located above the guide rails. The two second pulleys are connected by a transmission rod to achieve synchronous rotation.

[0017] There are two sets of transmission belts, which are respectively arranged on the two vertical frames and are respectively fixedly connected to the sliders located on the same vertical frame; the transmission belts are respectively sleeved and installed on the first pulley and the second pulley located on the same vertical frame;

[0018] The transmission assembly is fixedly mounted on one of the vertical frames and has an output end and an input end; the transmission assembly is connected to the first pulley located on the same vertical frame through the output end to transmit the power input through the input end to the first pulley.

[0019] Furthermore, it also includes:

[0020] The first hand wheel is fixedly connected to the input end of the transmission assembly, and a first crank is arranged on the edge of the first hand wheel.

[0021] Furthermore, the mobile device comprises:

[0022] The sliding sleeves are in two groups and can be slidably mounted on the mounting beams.

[0023] There are two mounting plates, which are arranged opposite to each other on the left and right sides. The two groups of sliding sleeves are fixedly arranged on the mounting plates respectively. The mounting plates can slide left and right on the mounting beam under the guidance of the sliding sleeves. The two mounting plates are fixedly connected to one end of the two brackets respectively.

[0024] Furthermore, it also includes:

[0025] A transmission screw rod is arranged parallel to the mounting beam, and its two ends are rotatably connected to the two sliders respectively; the transmission screw rod is formed with an external thread;

[0026] The transmission nuts are divided into two groups and are respectively mounted on the two mounting plates; the two groups of transmission nuts are respectively threadedly connected to the transmission screws, and the thread directions of the two groups of transmission nuts are opposite.

[0027] Furthermore, one of the vertical frames is provided with a long guide groove parallel to the guide rail in the vertical direction, and one end of the transmission screw passes through the slider and then extends from the guide groove to the outside of the vertical frame;

[0028] It also includes a second hand wheel, which is fixedly connected to the end of the transmission screw extending to the outside of the stand; a second crank is installed on the edge of the second hand wheel.

[0029] Furthermore, it also includes:

[0030] There are two restraining shells in an arc-shaped form, which are respectively installed below the supporting parts of the two brackets, and the arc surfaces of the two restraining shells are opposite to each other on the left and right.

[0031] Furthermore, the front end and the rear end of the support portion are respectively provided with fixing buckles.

[0032] Furthermore, it also includes:

[0033] There are two handrail frames, which are respectively installed below the supporting parts of the two brackets and are opposite to each other on the left and right sides; the handrail frames are provided with grip rods suitable for hand grasping.

[0034] The technical solution provided by the utility model has the following advantages:

[0035] The image shooting auxiliary device of the utility model comprises a stand, a lifting frame and a bracket; wherein, the stand is two and vertically oppositely arranged; the lifting frame comprises a horizontally arranged mounting beam, and both ends of the mounting beam are respectively mounted on the stand in a liftable manner through a lifting device; there are two brackets, which are oppositely arranged left and right; one end of the bracket is mounted on the mounting beam in a movable manner left and right through a moving device, and the other end extends in a direction away from the mounting beam, and a support portion suitable for supporting a human body from the armpit of the human body is formed at the end.

[0036] When a patient who is unable to maintain a standing posture due to lower limb paralysis or young age needs to take an X-ray, the image shooting auxiliary device of the utility model first adjusts the height and spacing of the support parts on the two brackets according to the patient's body shape. Specifically, the lifting frame is raised and lowered by operating the lifting device so that the support parts on the two brackets are at a suitable height; the support parts on the two brackets are spaced at a suitable distance by operating the moving device. Then, the medical staff or family members move the patient between the two brackets, and further adjust the height and left-right spacing of the two support parts so that the patient's armpits on both sides are supported on the two support parts, thereby assisting the patient to maintain an upright position for X-ray.

[0037] The image shooting auxiliary device of the utility model can enable patients who are unable to stand independently to complete filming without assistance, thus eliminating the need for assistance from family members or medical staff, thus avoiding unnecessary radiation risks for family members or medical staff and reducing the workload of medical staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the technical solutions in the prior art or the specific implementation methods of the present utility model, the drawings used in the description of the prior art or the specific implementation methods are briefly introduced below.

[0039] Figure 1 It is a schematic diagram of the overall structure of the image shooting auxiliary device of the utility model.

[0040] Figure 2 It is a schematic diagram of the structure after the stand and bracket are removed.

[0041] Figure numerals: 1. stand; 11. guide groove; 2. lifting frame; 21. mounting beam; 22. transmission screw; 23. second hand wheel; 24. second crank; 3. lifting device; 31. guide rail; 32. slider; 33. first pulley; 34. second pulley; 35. transmission rod; 36. transmission belt; 37. transmission assembly; 38. first hand wheel; 39. first crank; 4. bracket; 41. support part; 42. restraining shell; 43. armrest; 431. fixing rod; 432. grip rod; 44. fixing buckle; 45. cushion; 5. moving device; 51. sliding sleeve; 52. mounting plate; 53. transmission nut. DETAILED DESCRIPTION

[0042] In order to make those skilled in the art better understand the present solution, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present application.

[0043] It should be noted that the terms "first", "second", etc. in the claims and description of the present application are used to distinguish similar objects, rather than to describe a specific order or sequence. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not limited to those steps or units clearly listed, but may also include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0044] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to being used to indicate orientation or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the present application can be understood according to the specific circumstances. In addition, the term "multiple" should mean two or more. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

[0045] The present application will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0046] This embodiment provides an image shooting auxiliary device, such as Figure 1 and Figure 2As shown, it includes a stand 1, a lifting frame 2 and a bracket 4; wherein, there are two stands 1, which are vertically opposite to each other; the lifting frame 2 includes a horizontally arranged mounting beam 21, and both ends of the mounting beam 21 are respectively mounted on the stand 1 so as to be liftable by a lifting device 3; there are two brackets 4, which are relatively arranged left and right; one end of the bracket 4 is mounted on the mounting beam 21 so as to be movably mounted left and right by a moving device 5, and the other end extends in a direction away from the mounting beam 21, and a supporting portion 41 suitable for supporting a human body from the armpit is formed at the end.

[0047] In the image shooting auxiliary device of this embodiment, when a patient who cannot maintain a standing posture due to lower limb paralysis or young age needs to take an X-ray, the height and spacing of the support parts 41 on the two brackets are first adjusted according to the patient's body shape. Specifically, the lifting frame 2 is raised and lowered by operating the lifting device 3 so that the support parts 41 on the two brackets 4 are at a suitable height; the support parts 41 on the two brackets 4 are spaced at a suitable distance by operating the moving device 5. Then, the patient is moved between the two brackets 4, and the height and left-right spacing of the two brackets 4 are further adjusted so that the patient's armpits on both sides are supported on the two support parts 41, thereby assisting the patient to maintain an upright position for X-ray.

[0048] The image shooting auxiliary device of this embodiment, the lifting device 3 includes a guide rail 31, a slider 32 and a lifting adjustment mechanism; wherein, the guide rail 31 is divided into two groups, which are respectively arranged on the two stands 1 in the vertical direction; there are two sliders 32, which are respectively installed on the two groups of guide rails 31 and can be lifted and moved along the guide rails 31; the two sliders 32 are respectively fixedly connected to the two ends of the mounting beam 21; the lifting adjustment mechanism is installed on the stand 1 and is transmission-connected to the slider 32; the lifting adjustment mechanism is used to drive the slider 32 to move up and down along the guide rail 31.

[0049] The image shooting auxiliary device of this embodiment, further, the lifting and adjusting mechanism includes a first pulley 33, a second pulley 34, a transmission belt 36 and a transmission assembly 37; wherein, there are two first pulleys 33, which are rotatably mounted on the inner sides of the two stands 1 and are opposite to each other; the first pulley 33 is located below the guide rail 31; there are two second pulleys 34, which are rotatably mounted on the inner sides of the two stands 1 and are opposite to each other; the second pulley 34 is located above the guide rail 31; the two second pulleys 34 are connected by a transmission rod 35 to realize Now they rotate synchronously; there are two groups of transmission belts 36, which are respectively arranged on the two vertical frames 1 and are respectively fixedly connected to the slider 32 located on the same vertical frame 1; the transmission belts 36 are respectively sleeved and installed on the first pulley 33 and the second pulley 34 located on the same vertical frame 1; the transmission assembly 37 is fixedly installed on one of the vertical frames 1, and has an output end and an input end; the transmission assembly 37 is transmission-connected with the first pulley 33 located on the same vertical frame 1 through the output end, so as to transmit the power input through the input end to the first pulley 33.

[0050] The image shooting auxiliary device of this embodiment further includes a first hand wheel 38 fixedly connected to the input end of the transmission assembly 37 , and a first crank 39 is provided on the edge of the first hand wheel 38 .

[0051] In the image shooting auxiliary device of this embodiment, when it is necessary to adjust the height of the support part 41, the first hand wheel 38 is rotated, and the first hand wheel 38 drives the input end of the transmission assembly 37 to rotate; the transmission assembly 37 outputs the power transmitted from the input end through the output end, driving the first pulley 33 connected to the output end to rotate; the first pulley 33 rotates and thereby drives the transmission belt 36 to move up and down between the first pulley 33 and the second pulley 34; the transmission belt 36 moves up and down and thereby drives the slider 32 fixedly connected thereto to move up and down; the slider 32 moves up and down and thereby drives the mounting beam 21 to move up and down; the mounting beam 21 moves up and down and thereby drives the bracket 4 to move up and down, thereby adjusting the height of the support part 41.

[0052] In the image shooting auxiliary device of this embodiment, the moving device 5 includes a sliding sleeve 51 and a mounting plate 52; wherein, the sliding sleeve 51 is divided into two groups and can be slidably mounted on the mounting beam 21 to the left and right; there are two mounting plates 52, which are arranged opposite to each other on the left and right, and the two groups of the sliding sleeves 51 are respectively fixedly arranged on the mounting plates 52, and the mounting plates 52 can slide left and right on the mounting beam 21 under the guidance of the sliding sleeves 51; the two mounting plates 52 are respectively fixedly connected to one end of the two brackets 4.

[0053] The image shooting auxiliary device of this embodiment drives the mounting plate 52 to slide left and right on the mounting beam 21 through the sliding sleeve 51, thereby adjusting the distance between the two brackets 4. The sliding cooperation between the sliding sleeve 51 and the mounting beam 21 can ensure that the adjustment process is more stable and the adjustment result is more accurate. There can be two mounting beams 21, which are arranged opposite to each other up and down. Accordingly, each set of sliding sleeves 51 can include at least two sliding sleeves 51, which are slidably mounted on the two mounting beams 21 respectively.

[0054] The image shooting auxiliary device of this embodiment also includes a transmission screw 22 and a transmission nut 53; wherein the transmission screw 22 is arranged parallel to the mounting beam 21, and both ends are rotatably connected to the two sliders 32 respectively; the transmission screw 22 is formed with an external thread; the transmission nut 53 is divided into two groups, which are respectively installed on the two mounting plates 52; the two groups of the transmission nuts 53 are respectively threadedly connected to the transmission screw 22, and the thread directions of the two groups of the transmission nuts 53 are opposite.

[0055] The image shooting auxiliary device of this embodiment, further, has one of the stands 1 having a vertically-arranged long guide groove 11 parallel to the guide rail 31, one end of the transmission screw 22 passes through the slider 32 and extends from the guide groove 11 to the outside of the stand 1; it also includes a second hand wheel 23, which is fixedly connected to the end of the transmission screw 22 extending to the outside of the stand 1; a second crank 24 is installed on the edge of the second hand wheel 23.

[0056] In this embodiment, when the spacing between the two brackets 4 needs to be adjusted, the second hand wheel 23 is rotated to drive the transmission screw 22 to rotate through the second hand wheel 23; the transmission screw 22 rotates to drive the two sets of transmission nuts 53 threadedly connected therewith to move left and right. Since the thread directions of the two sets of transmission nuts 53 are opposite, when the transmission screw 22 rotates, the movement directions of the two sets of transmission nuts 53 are opposite, that is, when the transmission screw 22 rotates, the two sets of transmission nuts 53 move in the opposite direction at the same time, that is, when the transmission screw 22 rotates, the two sets of transmission nuts 53 move in the direction of approaching each other at the same time, or move in the direction of moving away from each other at the same time, so that the spacing between the two brackets 4 can be adjusted accurately and quickly.

[0057] The image shooting auxiliary device of this embodiment further includes two restraining shells 42 in an arc shape, which are respectively installed below the supporting parts 41 of the two brackets 4, and the arc surfaces of the two restraining shells 42 are opposite to each other.

[0058] In this embodiment, when the patient is supported in an upright position on the two support parts 41, the restraint shells 42 are located exactly on both sides of the patient's body. Through the cooperation of the two opposite arc surfaces of the two restraint shells 42, the human body can be restrained and fixed, thereby helping the patient to maintain an upright position more easily, and at the same time preventing the patient's body from tilting and affecting the filming effect.

[0059] In the image shooting auxiliary device of this embodiment, further, the front end and the rear end of the support part 41 are respectively provided with fixing buckles 44. In this embodiment, the fixing buckles 44 can be used to fix the straps, and the straps can pass through the fixing buckles 44 and bind and restrain the patient's body. The straps can bind and restrain the patient and the bracket 4, thereby preventing the patient's body from falling during the filming process, improving the safety of the patient during the filming process, and also restraining patients with poor compliance to ensure the smooth progress of the filming process.

[0060] The image shooting auxiliary device of this embodiment also includes two armrests 43, which are respectively installed under the support parts 41 of the two brackets 4 and are opposite to each other on the left and right; the armrests 43 are provided with grip rods 432 suitable for hand grasping. The grip rods 432 can be used for patients to grasp and use force during filming, thereby assisting patients to maintain an upright position more stably. In this example, the armrest 43 includes two fixed rods 431 arranged vertically opposite to each other and a grip rod 432 arranged horizontally; the upper ends of the two fixed rods 431 are fixedly connected to the support part 41 at the same time, and the two ends of the grip rod 432 are fixedly connected to the middle or lower ends of the two fixed rods 431 at the same time. The number of grip rods 432 on each armrest 43 can be set to multiple, so that it can be suitable for patients of different body shapes to grasp and use force.

[0061] Obviously, the above embodiments are merely examples for clear explanation, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from them are still within the protection scope of this innovative technical solution.

Claims

1. An image shooting auxiliary device, characterized in that: include: Two vertical frames (1) are arranged vertically opposite to each other; The lifting frame (2) comprises a horizontally arranged mounting beam (21), wherein both ends of the mounting beam (21) are respectively mounted on the vertical frame (1) via a lifting device (3) so as to be liftable; There are two brackets (4) which are arranged opposite to each other on the left and right sides; one end of the bracket (4) is mounted on the mounting beam (21) via a moving device (5) so as to be movable left and right, and the other end extends in a direction away from the mounting beam (21), and a support portion (41) suitable for supporting a human body from the armpit of the human body is formed at the end.

2. The image capturing assisting device according to claim 1, wherein: The lifting device (3) comprises: The guide rails (31) are divided into two groups and are respectively arranged on the two vertical frames (1) along the vertical direction; There are two sliders (32), which are respectively mounted on the two sets of guide rails (31) and can be lifted and lowered along the guide rails (31); the two sliders (32) are respectively fixedly connected to two ends of the mounting beam (21); A lifting and lowering adjustment mechanism is mounted on the stand (1) and is in transmission connection with the slider (32); the lifting and lowering adjustment mechanism is used to drive the slider (32) to move up and down along the guide rail (31).

3. The image capturing assisting device according to claim 2, wherein: The lifting and lowering adjustment mechanism comprises: There are two first pulleys (33), which are rotatably mounted on the inner sides of the two upright frames (1) and are opposite to each other on the left and right sides; the first pulleys (33) are located below the guide rail (31); There are two second belt pulleys (34), which are rotatably mounted on the inner sides of the two upright frames (1) and are opposite to each other on the left and right sides; the second belt pulleys (34) are located above the guide rail (31); the two second belt pulleys (34) are connected by a transmission rod (35) to achieve synchronous rotation; The transmission belts (36) are in two groups, respectively arranged on the two vertical frames (1), and respectively fixedly connected to the sliders (32) located on the same vertical frame (1); the transmission belts (36) are respectively sleeved and installed on the first pulley (33) and the second pulley (34) located on the same vertical frame (1); A transmission assembly (37) is fixedly mounted on one of the vertical frames (1) and has an output end and an input end; the transmission assembly (37) is connected to the first pulley (33) located on the same vertical frame (1) via the output end, so as to transmit power input through the input end to the first pulley (33).

4. The image capturing assisting device according to claim 3, wherein: Also includes: A first hand wheel (38) is fixedly connected to the input end of the transmission assembly (37), and a first crank (39) is provided on the edge of the first hand wheel (38).

5. The image shooting auxiliary device according to any one of claims 2 to 4, characterized in that: The mobile device (5) comprises: The sliding sleeves (51) are in two groups and can be slidably mounted on the mounting beam (21) to the left and right; There are two mounting plates (52) which are arranged opposite to each other on the left and right sides. Two sets of the sliding sleeves (51) are respectively fixedly arranged on the mounting plates (52). The mounting plates (52) can slide left and right on the mounting beam (21) under the guidance of the sliding sleeves (51); the two mounting plates (52) are respectively fixedly connected to one end of the two brackets (4).

6. The image capturing assisting device according to claim 5, wherein: Also includes: A transmission screw rod (22) is arranged parallel to the mounting beam (21), and two ends of the transmission screw rod are respectively rotatably connected to the two sliding blocks (32); the transmission screw rod (22) is formed with an external thread; The transmission nuts (53) are in two groups and are respectively mounted on the two mounting plates (52); the two groups of transmission nuts (53) are respectively threadedly connected to the transmission screw rods (22), and the thread directions of the two groups of transmission nuts (53) are opposite.

7. The image capturing assisting device according to claim 6, wherein: A long guide groove (11) parallel to the guide rail (31) is formed on one of the vertical frames (1), and one end of the transmission screw (22) passes through the slider (32) and then extends from the guide groove (11) to the outside of the vertical frame (1); It also includes a second hand wheel (23) fixedly connected to one end of the transmission screw rod (22) extending to the outside of the stand (1); a second crank handle (24) is mounted on the edge of the second hand wheel (23).

8. The image capturing assisting device according to claim 1, wherein: Also includes: There are two restraining shells (42) in an arc-shaped shape, which are respectively installed below the supporting parts (41) of the two brackets (4), and the arc surfaces of the two restraining shells (42) are opposite to each other.

9. The image capturing assisting device according to claim 8, wherein: The front end and the rear end of the support portion (41) are also provided with fixing buckles (44) respectively.

10. The image capturing assisting device according to claim 1, wherein: Also includes: There are two handrail frames (43), which are respectively installed below the supporting parts (41) of the two brackets (4) and are opposite to each other on the left and right. The handrail frames (43) are provided with a gripping rod (432) suitable for hand gripping.

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