Auxiliary external fixing device for lower limb fracture

Abstract

The utility model relates to the technical field of medical auxiliary equipment, and discloses a lower limb fracture auxiliary external fixing device which comprises a fixing assembly and an adjusting assembly, the fixing assembly comprises a rotating shaft, a connecting shell and a fixing shell, the connecting shell is fixed to the top of the rotating shaft, and the fixing shell is fixed to the top of the connecting shell; the adjusting assembly is arranged on the front face of the connecting shell and comprises an outer shell, a connecting plate, an adjusting piece, a transmission piece and a fixing piece, the outer shell is fixed to the front face of the connecting shell, the connecting plate is fixed to the bottom of the front face of the fixing shell, the bottom of the connecting plate extends into the outer shell, and the adjusting piece is arranged in the connecting plate. The lower limb fixing device has the advantages that better stability and supporting force can be provided for the lower limbs of a patient through the fixing assembly so as to promote fracture healing, and the lower limb fixing device can be flexibly adjusted according to the conditions of different patients through the adjusting assembly so as to achieve the best treatment effect and comfort.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, in particular to an auxiliary external fixation device for lower limb fractures. Background Art

[0002] The auxiliary external fixator for lower limb fractures is a medical device used to fix and stabilize the treatment of lower limb fractures. It is usually made of metal or plastic and includes a series of fixators, connectors and fixation straps. The external fixator can fix and control the position of the fracture by installing fixators on healthy bone tissue near the fracture site to promote fracture healing. The design of the external fixator enables it to provide stable support, prevent abnormal movement of the fracture site, reduce fracture pain and further damage, and it can also allow a certain degree of movement to help maintain the range of motion of the joint and promote recovery.

[0003] However, the auxiliary external fixation device for lower limb fractures in the prior art usually adopts an integrated fixation design, which cannot flexibly adapt to the needs of different patients, resulting in the device not being able to properly fit the patient's lower limbs, causing discomfort, pressure or excessive restraint, affecting the rehabilitation effect. In order to solve the above problems, we propose an auxiliary external fixation device for lower limb fractures. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an auxiliary external fixation device for lower limb fractures, which solves the problem that the existing auxiliary external fixation devices for lower limb fractures cannot be flexibly adjusted according to the patient's lower limb conditions.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an auxiliary external fixation device for lower limb fractures, comprising a fixing component and an adjusting component.

[0006] The fixed assembly includes a rotating shaft, a connecting shell and a fixing shell, wherein the connecting shell is fixed to the top of the rotating shaft, and the fixing shell is fixed to the top of the connecting shell; and

[0007] An adjusting component is arranged on the front side of the connecting shell, and includes an outer shell, a connecting plate, an adjusting member, a transmission member and a fixing member. The outer shell is fixed to the front side of the connecting shell, the connecting plate is fixed to the bottom of the front side of the fixed shell, and the bottom extends to the inside of the outer shell, the adjusting member is arranged inside the connecting plate, the transmission member is arranged on one side inside the fixed shell, and the fixing member is arranged inside the fixed shell.

[0008] In a further solution, the adjusting member includes a placement shell, a vertical plate, a spring, a movable plate and a fixed rod, the placement shell is fixed to the bottom of the inner cavity of the connecting plate, the vertical plate is fixed inside the placement shell, the spring is fixed to both sides of the vertical plate, the movable plate is slidably connected to both sides of the inner cavity of the placement shell, and one side is fixedly connected to the spring, and the fixed rod is fixed to one side of the movable plate.

[0009] In a further solution, the transmission member includes a threaded rod and a hand-cranked wheel, the threaded rod is movably connected to one side of the inner cavity of the fixed shell, and the hand-cranked wheel is fixed to the front side of the threaded rod.

[0010] In a further solution, the fixing member includes a threaded sleeve and a fixing plate, the threaded sleeve is threadedly connected to both sides of the surface of the threaded rod, and the fixing plate is fixed to one side of the threaded sleeve.

[0011] In a further solution, limiting holes are provided on both sides of the shell, and the fixing rod is slidably connected to the inside of the limiting holes.

[0012] In a further solution, a limit pin is provided at the top of the front side of the hand-cranked wheel, and one end of the limit pin extends into the interior of the fixed shell.

[0013] In a further solution, the inner wall of the fixed shell is fixedly connected to a limit block, and the threaded sleeve is slidably connected to the surface of the limit block.

[0014] The beneficial effects of the utility model are: through the setting of the fixing component, better stability and support can be provided to the patient's lower limbs to promote fracture healing; through the setting of the adjustment component, it can be flexibly adjusted according to the conditions of different patients to achieve the best treatment effect and comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a front sectional view of the housing of the utility model;

[0017] Figure 3 For the utility model Figure 2 A magnified view of middle;

[0018] Figure 4 It is a schematic diagram of a fixing member of the utility model.

[0019] Explanation of marks in the figure: 1. fixed component; 101. rotating shaft; 102. connecting shell; 103. fixed shell; 2. adjusting component; 201. outer shell; 202. connecting plate; 203. adjusting member; 204. transmission member; 205. fixed member; 2031. placing shell; 2032. vertical plate; 2033. spring; 2034. moving plate; 2035. fixed rod; 2041. threaded rod; 2042. hand wheel; 2051. threaded sleeve; 2052. fixed plate. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0023] Example 1

[0024] Reference Figure 1-4 , which is the first embodiment of the utility model, and provides an auxiliary external fixation device for lower limb fractures, including a fixing component 1 and an adjusting component 2,

[0025] The fixing assembly 1 includes a rotating shaft 101, a connecting shell 102 and a fixing shell 103, wherein the connecting shell 102 is fixed to the top of the rotating shaft 101, and the fixing shell 103 is fixed to the top of the connecting shell 102; and

[0026] The adjusting component 2 is arranged on the front side of the connecting shell 102, and includes a shell 201, a connecting plate 202, an adjusting member 203, a transmission member 204 and a fixing member 205. The shell 201 is fixed on the front side of the connecting shell 102, the connecting plate 202 is fixed on the bottom of the front side of the fixing shell 103, and the bottom extends to the inside of the shell 201, the adjusting member 203 is arranged inside the connecting plate 202, the transmission member 204 is arranged on one side inside the fixing shell 103, and the fixing member 205 is arranged inside the fixing shell 103.

[0027] Specifically: there are two connecting shells 102, both of which are fixed on the top and right side of the rotating shaft 101; there are two fixed shells 103, both of which are fixed on the top and right side of the connecting shell 102; there are also two connecting plates 202 and two outer shells 201, both of which are fixed on the front and back sides of the connecting shell 102 and the fixed shell 103; by setting the adjusting member 203, the use length can be adjusted according to the conditions of different patients, thereby increasing the practicality during use; by setting the transmission member 204 and the fixing member 205, the tightness of the fixation can be adjusted according to the conditions of the patient, thereby increasing the reliability during use.

[0028] The adjusting member 203 includes a placing shell 2031, a vertical plate 2032, a spring 2033, a movable plate 2034 and a fixed rod 2035. The placing shell 2031 is fixed to the bottom of the inner cavity of the connecting plate 202, the vertical plate 2032 is fixed inside the placing shell 2031, the spring 2033 is fixed on both sides of the vertical plate 2032, the movable plate 2034 is slidably connected to both sides of the inner cavity of the placing shell 2031, and one side is fixedly connected to the spring 2033, the fixed rod 2035 is fixed to one side of the movable plate 2034, the transmission member 204 includes a threaded rod 2041 and a hand-cranked wheel 2042, the threaded rod 2041 is movably connected to one side of the inner cavity of the fixed shell 103, the hand-cranked wheel 2042 is fixed to the front of the threaded rod 2041, the fixing member 205 includes a threaded sleeve 2051 and a fixed plate 2052, the threaded sleeve 2051 is threadedly connected to both sides of the surface of the threaded rod 2041, and the fixed plate 2052 is fixed to one side of the threaded sleeve 2051.

[0029] Specifically: there are two springs 2033, both fixed on both sides of the vertical plate 2032, there are two movable plates 2034, both slidably connected to both sides of the inner cavity of the placement shell 2031, there are two fixed rods 2035, which are respectively fixed on the left and right sides of the movable plate 2034, the threaded rod 2041 is movably connected to one side of the inner cavity of the fixed shell 103 through a bearing, the hand wheel 2042 can drive the threaded sleeve 2051 to move through the screw, and there are two threaded sleeves 2051, which are threadedly connected to both sides of the surface of the threaded rod 2041.

[0030] Example 2

[0031] Reference Figure 1-4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0032] Limiting holes are opened on both sides of the shell 201, and the fixing rod 2035 is slidably connected to the inside of the limiting hole. A limiting pin is set on the top of the front of the hand wheel 2042, and one end of the limiting pin extends to the inside of the fixed shell 103. The inner wall of the fixed shell 103 is fixedly connected to the limiting block, and the threaded sleeve 2051 is slidably connected to the surface of the limiting block.

[0033] Specifically: there are eight limiting holes, which are symmetrically opened on both sides of the shell 201. Through the setting of the limiting holes, the connecting plate 202 can be limited to facilitate subsequent adjustment work. Through the setting of the limiting pin, the hand-cranked wheel 2042 can be limited to prevent it from rotating after fixation, causing the fixation to loosen and affect the rehabilitation effect. Through the setting of the limiting block, the threaded sleeve 2051 can be limited to prevent it from rotating during movement.

[0034] The working principle of the utility model is: when the use length needs to be adjusted, the medical staff squeezes the fixed rod 2035, the fixed rod 2035 pushes the movable plate 2034 to move, the movable plate 2034 squeezes the spring 2033, and then the medical staff pulls the fixed shell 103. When it is adjusted to a suitable position, the spring 2033 pushes the movable plate 2034 to move through its own elasticity, the movable plate 2034 pushes the fixed rod 2035 to move, and the fixed rod 2035 moves to the inside of the limiting hole, so as to achieve the purpose of adjusting the use length. When the patient's lower limbs need to be fixed, the medical staff turns the hand wheel 2042, the hand wheel 2042 drives the threaded rod 2041 to rotate, the threaded rod 2041 drives the threaded sleeve 2051 to move, and the threaded sleeve 2051 drives the fixed plate 2052 to move, so as to achieve the purpose of fixing the lower limbs of different patients.

[0035] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An auxiliary external fixation device for lower limb fractures, Features: It comprises a fixing component (1) and an adjusting component (2), The fixed assembly (1) comprises a rotating shaft (101), a connecting shell (102) and a fixing shell (103), wherein the connecting shell (102) is fixed to the top of the rotating shaft (101), and the fixing shell (103) is fixed to the top of the connecting shell (102); and The adjustment component (2) is arranged on the front of the connecting shell (102), and comprises a shell (201), a connecting plate (202), an adjustment member (203), a transmission member (204) and a fixing member (205); the shell (201) is fixed to the front of the connecting shell (102); the connecting plate (202) is fixed to the bottom of the front of the fixing shell (103), and the bottom extends to the inside of the shell (201); the adjustment member (203) is arranged inside the connecting plate (202); the transmission member (204) is arranged on one side inside the fixing shell (103); and the fixing member (205) is arranged inside the fixing shell (103).

2. The auxiliary external fixation device for lower limb fractures according to claim 1, Features: The adjusting member (203) comprises a placement shell (2031), a vertical plate (2032), a spring (2033), a movable plate (2034) and a fixing rod (2035); the placement shell (2031) is fixed to the bottom of the inner cavity of the connecting plate (202); the vertical plate (2032) is fixed inside the placement shell (2031); the spring (2033) is fixed to both sides of the vertical plate (2032); the movable plate (2034) is slidably connected to both sides of the inner cavity of the placement shell (2031), and one side is fixedly connected to the spring (2033); and the fixing rod (2035) is fixed to one side of the movable plate (2034).

3. The auxiliary external fixation device for lower limb fractures according to claim 1, Features: The transmission member (204) comprises a threaded rod (2041) and a hand-cranked wheel (2042); the threaded rod (2041) is movably connected to one side of the inner cavity of the fixed shell (103); and the hand-cranked wheel (2042) is fixed to the front side of the threaded rod (2041).

4. The auxiliary external fixation device for lower limb fractures according to claim 1, Features: The fixing member (205) comprises a threaded sleeve (2051) and a fixing plate (2052), wherein the threaded sleeve (2051) is threadedly connected to two sides of the surface of the threaded rod (2041), and the fixing plate (2052) is fixed to one side of the threaded sleeve (2051).

5. The auxiliary external fixation device for lower limb fractures according to claim 2, Features: Limiting holes are provided on both sides of the housing (201), and the fixing rod (2035) is slidably connected inside the limiting holes.

6. The auxiliary external fixation device for lower limb fractures according to claim 3, Features: A limit pin is provided at the top of the front face of the hand-cranked wheel (2042), and one end of the limit pin extends into the interior of the fixed shell (103).

7. The auxiliary external fixation device for lower limb fractures according to claim 4, Features: The inner wall of the fixed shell (103) is fixedly connected to a limit block, and the threaded sleeve (2051) is slidably connected to the surface of the limit block.

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