Arm supporting device

Abstract

The utility model relates to the technical field of medical instruments, and discloses a limb arm supporting device which comprises a clamping base and an installation cylinder hinged to the clamping base, a first arm support is installed on the top of the installation cylinder, a connecting rod is connected to the side wall of the installation cylinder in an inserted mode, and a second arm support and a shelf are installed on the top of the connecting rod respectively. And the second arm support is close to the first arm support. According to the limb arm supporting device, a connecting rod capable of moving leftwards and rightwards is inserted into the side wall of a mounting cylinder, so that a second arm support can move transversely, the length of a combined arm support composed of a first arm support and the second arm support can be adjusted conveniently, and the extension plate is in sliding connection with a shelf; according to the combined arm support and the combined shelf, the length of the combined shelf composed of the shelf and the extension plate can be adjusted conveniently, the mounting cylinder can rotate on the side wall of the clamping base in the mode that the mounting cylinder is hinged to the clamping base, and then the effect that the angle of the combined arm support and the combined shelf is adjusted conveniently is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a limb support device. Background Art

[0002] In coronary heart disease intervention surgery, due to the narrowness of the digital subtraction angiography machine, various limb and arm support devices are usually used to place the patient's arm and abduct it. At present, the limb and arm support devices used in surgery are mostly single-sided shelves. When performing vascular intervention surgery via the radial artery, puncture is performed on one side of the radial artery, and the shelf is placed under one side of the patient's arm.

[0003] However, since the arm lengths of different individuals are different, and the lengths of most shelves cannot be adjusted, it is impossible to ensure that they are suitable for patients of different body sizes during surgery. At the same time, the surgical instruments used in the operation are small and numerous, and the transfer of them by an assistant will increase the operation time to a certain extent, thereby reducing the treatment time. Therefore, a limb and arm support device is proposed. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a limb and arm supporting device having the advantages of easy adjustment of the length and angle of the shelf and the arm rest, thereby solving the problem that the limb and arm supporting device is inconvenient to adjust the length and angle of the shelf and the arm rest.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of facilitating the adjustment of the length and angle of the shelf and the arm support, the utility model provides the following technical solutions:

[0008] A limb support device comprises a base and a mounting tube hinged on the base, a first arm support is mounted on the top of the mounting tube, a connecting rod is inserted on the side wall of the mounting tube, a second arm support and a shelf are respectively mounted on the top of the connecting rod, wherein the second arm support is close to the first arm support, an extension plate is slidably connected to the bottom of the shelf, an elastic positioning assembly is mounted on the mounting tube, a positioning plate is mounted on the elastic positioning assembly, wherein the positioning plate is frictionally connected to the connecting rod.

[0009] As a preferred technical solution of the utility model, a mounting groove is provided on the side wall of the mounting tube, wherein the connecting rod is plugged into the side wall of the mounting tube through the mounting groove.

[0010] As a preferred technical solution of the utility model, a limiting groove is transversely provided on the inner wall of the installation groove, and a limiting block is installed on the connecting rod, wherein the limiting block is slidably connected to the limiting groove.

[0011] As a preferred technical solution of the utility model, the elastic positioning assembly includes a positioning spring installed at the bottom of the mounting tube, and a positioning rod installed inside the positioning spring, wherein one end of the positioning spring is fixedly connected to the bottom of the mounting tube, and the other end is fixedly connected to the side wall of the positioning rod, wherein the positioning plate is fixedly installed on the top of the positioning rod.

[0012] As a preferred technical solution of the utility model, the bottom of the positioning rod penetrates to the bottom of the installation tube and is fixedly mounted with a handle.

[0013] As a preferred technical solution of the utility model, a slide groove is transversely opened at the bottom of the shelf, and a slider is installed on the top of the extension plate, wherein the slider is slidably connected to the slide groove.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a limb arm support device, which has the following beneficial effects:

[0016] The limb support device has a connecting rod that can move left and right inserted into the side wall of the installation tube, so that the second arm support can move laterally, and the length of the combined arm support composed of the first arm support and the second arm support can be easily adjusted. The extension plate and the shelf are slidably connected, so that the length of the combined shelf composed of the shelf and the extension plate can be easily adjusted. The installation tube and the base are hinged, so that the installation tube can rotate on the side wall of the base, so that the combined arm support and the combined shelf can achieve the effect of easy adjustment of the angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view cross-sectional schematic diagram of the structure of the utility model;

[0018] Figure 2 The utility model structure Figure 1 A partial enlarged schematic diagram of the portion A shown;

[0019] Figure 3 It is a side view schematic diagram of the first arm support of the utility model structure.

[0020] In the figure: 1. base; 2. mounting tube; 3. mounting slot; 4. limit block; 5. limit slot; 6. connecting rod; 7. shelf; 8. first arm support; 9. second arm support; 10. slider; 11. slide slot; 12. extension plate; 13. positioning plate; 14. positioning rod; 15. positioning spring; 16. handle. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-3, a limb arm supporting device comprises a card seat 1 and a mounting tube 2 hinged on the card seat 1, wherein the card seat 1 is used to install a fixed arm support, and the mounting tube 2 can rotate on the card seat 1 by means of a hinge, and a first arm support 8 is installed on the top of the mounting tube 2, and the first arm support 8 can adjust its angle by rotating through the rotation of the mounting tube 2, and a connecting rod 6 is inserted on the side wall of the mounting tube 2, and a second arm support 9 and a shelf 7 are respectively installed on the top of the connecting rod 6, wherein the second arm support 9 is close to the first arm support 8, wherein a mounting groove 3 is opened on the side wall of the mounting tube 2, wherein the connecting rod 6 is inserted on the side wall of the mounting tube 2 through the mounting groove 3, so that the connecting rod 6 and the second arm support 9 can move left and right, thereby achieving the effect of adjusting the distance between the first arm support 8 and the second arm support 9, thereby achieving the effect of adjusting the length of the arm support, and the bottom of the shelf 7 is slidably connected with an extension plate 12, wherein a sliding groove 11 is opened horizontally at the bottom of the shelf 7, and the extension plate 1 A slider 10 is installed on the top of 2, wherein the slider 10 is slidably connected with the slide groove 11, so that the length can be adjusted by sliding the extension plate 12 horizontally at the bottom of the shelf 7, and an elastic positioning component is installed on the mounting tube 2, and a positioning plate 13 is installed on the elastic positioning component, wherein the positioning plate 13 is frictionally connected with the connecting rod 6, wherein the elastic positioning component includes a positioning spring 15 installed at the bottom of the mounting tube 2, and a positioning rod 14 installed inside the positioning spring 15, wherein one end of the positioning spring 15 is fixedly connected to the bottom of the mounting tube 2, and the other end is fixedly connected to the side wall of the positioning rod 14, wherein the positioning plate 13 is fixedly installed on the top of the positioning rod 14, so that the elastic force of the positioning spring 15 can make the positioning rod 14 move toward the direction of the connecting rod 6, thereby making the positioning plate 13 stably connected to the connecting rod 6, thereby achieving the effect of fixing the connecting rod 6, and further achieving the effect of fixing the second arm support 9 and the shelf 7.

[0025] In this embodiment, a limiting groove 5 is horizontally opened on the inner wall of the installation groove 3, and a limiting block 4 is installed on the connecting rod 6, wherein the limiting block 4 is slidably connected to the limiting groove 5. Through the slidable connection between the limiting block 4 and the limiting groove 5, the connecting rod 6, the second arm support 9, and the shelf 7 can only move horizontally but not rotate, thereby achieving the effect of limiting the movement of the connecting rod 6, the second arm support 9, and the shelf 7.

[0026] In this embodiment, the bottom of the positioning rod 14 passes through the bottom of the mounting tube 2 and is fixedly mounted with a handle 16, so that the positioning plate 13 and the connecting rod 6 can be released from their connection by pulling the handle 16 downward at the bottom of the mounting tube 2, thereby moving the connecting rod 6 laterally and adjusting the positions of the second arm support 9 and the shelf 7.

[0027] Working principle: when the length of the arm support needs to be adjusted, the handle 16 can be pulled downward, and then the position of the connecting rod 6 can be adjusted laterally until the second arm support 9 is adjusted to the desired position, so as to achieve the effect of facilitating the adjustment of the length of the combined arm support composed of the first arm support 8 and the second arm support 9. When the length adjustment is completed, the handle 16 is released, and the positioning rod 14 will extend the elastic force through the positioning spring 15 and move toward the connecting rod 6 until the positioning plate 13 is stably connected to the connecting rod 6, thereby achieving the effect of fixing the connecting rod 6 and the second arm support 9.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A limb support device, comprising a holder (1) and a mounting tube (2) hinged to the holder (1), characterized in that: A first arm support (8) is installed on the top of the installation tube (2), a connecting rod (6) is inserted on the side wall of the installation tube (2), and a second arm support (9) and a shelf (7) are installed on the top of the connecting rod (6), wherein the second arm support (9) is close to the first arm support (8), and the bottom of the shelf (7) is slidably connected with an extension plate (12), and an elastic positioning component is installed on the installation tube (2), and a positioning plate (13) is installed on the elastic positioning component, wherein the positioning plate (13) is frictionally connected to the connecting rod (6).

2. A limb support device according to claim 1, characterized in that: A mounting groove (3) is provided on the side wall of the mounting tube (2), wherein the connecting rod (6) is inserted into the side wall of the mounting tube (2) through the mounting groove (3).

3. A limb support device according to claim 2, characterized in that: A limiting groove (5) is transversely provided on the inner wall of the installation groove (3), and a limiting block (4) is installed on the connecting rod (6), wherein the limiting block (4) is slidably connected to the limiting groove (5).

4. The limb support device according to claim 1, characterized in that: The elastic positioning assembly comprises a positioning spring (15) installed at the bottom of the mounting tube (2), and a positioning rod (14) installed inside the positioning spring (15), wherein one end of the positioning spring (15) is fixedly connected to the bottom of the mounting tube (2), and the other end is fixedly connected to the side wall of the positioning rod (14), wherein the positioning plate (13) is fixedly installed on the top of the positioning rod (14).

5. The limb support device according to claim 4, characterized in that: The bottom of the positioning rod (14) penetrates through the bottom of the installation tube (2) and is fixedly mounted with a handle (16).

6. The limb support device according to claim 1, characterized in that: A sliding groove (11) is transversely provided at the bottom of the shelf (7), and a sliding block (10) is installed at the top of the extension plate (12), wherein the sliding block (10) is slidably connected to the sliding groove (11).

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