CN216985337U - Orthopedics external fixation device and splint fastening component - Google Patents

Abstract

The application relates to an orthopedics external fixation device and splint fastening components, it includes: one or more fastening units for connecting two enclosed clamping plates, each fastening unit comprising: the first connecting seat is used for connecting one clamping plate and is provided with a channel; the second connecting seat is used for connecting to the other clamping plate; one end of the movable clamping piece is movably connected to the second connecting seat through the first elastic limiting piece, and the height of the plane where the lower surface of the other end of the movable clamping piece is located is lower than that of the plane where the bottom wall of the channel is located. When the other end of the movable clamping piece extends into the channel, the first elastic limiting piece is stressed, and the movable clamping piece rotates for a certain angle; when the other end of the movable clamping piece extends out of the channel, the movable clamping piece is driven by the first elastic limiting piece to reset and is clamped with the first connecting seat; thereby avoided the operation of twisting the bolt many times, only need stir movable fastener can, be convenient for carry out the fastening and the dismantlement of splint.

Description

Orthopedics external fixation device and splint fastening component

Technical Field

The application relates to the technical field of medical instruments, in particular to an orthopedic external fixing device and a clamping plate fastening assembly.

Background

At present, the limbs and the trunk of a human body need to be subjected to fracture external fixation operation after fracture, the fracture external fixation means that the fracture part is reset manually or is cut and reset, the fracture part is fixed by using a splint, the fixation of the outside of the body is carried out, the resetting of a stable operation is realized, and the closing of gaps between bones is promoted, wherein when the fixation is carried out by using a splint mode, a fastening device is usually required to be installed to ensure that the splint is attached to the skin of an injured person, so that the fracture part of the injured person is accurately fixed.

In some related arts, the fastening device generally includes a plurality of bolts passing through two clamping plates and fixed by nuts, and the bolts are screwed to achieve detachment and installation, but there are the following problems:

(1) at the in-process that needs are fixed with splint and loosen, all need twist soon the bolt, the operation is comparatively loaded down with trivial details, installation and dismantlement not convenient for.

(2) When adopting bolted connection, different patients require differently to the tight degree of clamp of splint, can only rotate bolt and nut and adjust, because it is rigid contact with patient's fracture department, lead to being difficult to adjust to the tight degree of clamp that is fit for the patient when adjusting, influence patient's comfort level.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an orthopedic external fixing device and a clamping plate fastening assembly, and aims to solve the problems that bolts need to be screwed for multiple times when clamping plates are fixed and detached in the related art, and the operation is complex.

In a first aspect, there is provided a cleat fastening assembly, comprising:

one or more fastening units for connecting two enclosed cleats, each said fastening unit comprising:

-a first connection seat for connection to one of the jaws and provided with a passage;

-a second connecting seat for connecting to another clamping plate;

one end of the movable clamping piece is movably connected to the second connecting seat through a first elastic limiting piece, and the height of the plane of the lower surface of the other end of the movable clamping piece is lower than that of the plane of the bottom wall of the channel;

when the other end of the movable clamping piece extends into the channel, the first elastic limiting piece is stressed, and the movable clamping piece rotates for a certain angle;

when the other end of the movable clamping piece extends out of the channel, the movable clamping piece resets under the driving of the first elastic limiting piece and is clamped with the first connecting seat.

In some embodiments, an installation space is formed in the second connecting seat, an actuating member is horizontally arranged in the installation space, one end of the actuating member penetrates through the second connecting seat, and the other end of the actuating member is rotatably connected with the movable clamping member;

the two ends of the first elastic limiting part are respectively connected with the driving part and the movable clamping part, and the driving part and the movable clamping part are collinear.

In some embodiments, the second connecting seat is provided with a threaded groove, and the driving member includes:

the connecting plate is positioned in the mounting space, and one end of the connecting plate is rotatably connected with the movable clamping piece;

and the screw rod is connected to the second connecting seat through a thread groove, and one part of the screw rod extends into the mounting space and is rotatably connected with the other end of the connecting plate.

In some embodiments, two first guide rods distributed on the upper side and the lower side of the connecting plate are further arranged in the mounting space, the first guide rods are connected with the sliding blocks in a sliding mode, and the first guide rods are connected with the connecting plate through the sliding blocks.

In some embodiments, the first connecting seat is provided with a guide groove;

and a second guide rod penetrating through the guide groove is arranged on one surface of the second connecting seat, which is used for being in contact with the first connecting seat.

In some embodiments, the first elastic limiting member may be a torsion spring.

In some embodiments, the movable catch comprises:

a horizontal plate;

the rotating shaft is provided with a horizontal plate close to one end of the second connecting seat, and the first elastic limiting piece is arranged on the rotating shaft;

the clamping hook is arranged at one end, close to the first connecting seat, of the horizontal plate, and an inclined part extends downwards.

In some embodiments, a clamping groove for connecting with the clamping hook is arranged on one side of the first connecting seat, which is far away from the second connecting seat.

In a second aspect, there is provided an external fixation device for orthopedics, comprising:

two enclosed clamping plates;

the clamping plate fastening component is arranged on the clamping plate and connects the two enclosed clamping plates.

In some embodiments, each of the cleats comprises:

the first part is connected with the clamping plate fastening component and is provided with an arc-shaped groove;

the second part is positioned in the arc-shaped groove and connected with the first part through a second elastic limiting piece, and the second part is an arc-shaped plate and is used for contacting with a fracture part of a human body.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a clamping plate fastening assembly, a first connecting seat and a second connecting seat are respectively connected to two clamping plates which are enclosed, a channel is arranged on the first connecting seat, a movable clamping piece is connected to the second connecting seat through a first elastic limiting piece, the movable clamping piece has the characteristics of being pressed to rotate and reset after pressure relief, the plane height of the lower surface of the other end of the movable clamping piece is lower than the plane height of the bottom wall of the channel, when the two clamping plates are fastened, the movable clamping piece has two processes, when the other end of the movable clamping piece extends into the channel, the first elastic limiting piece is stressed, and the movable clamping piece rotates for a certain angle; when the other end of the movable clamping piece extends out of the channel, the movable clamping piece is driven by the first elastic limiting piece to reset and is clamped with the first connecting seat, so that the first connecting seat and the second connecting seat are fastened together; when the movable clamping piece is rotated during disassembly, the movable clamping piece enters the channel and resets after the movable clamping piece exits the channel, so that the bolt is prevented from being screwed for many times, only the movable clamping piece needs to be stirred, and the operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a general schematic view of an orthopedic external fixation device provided by an embodiment of the present application;

FIG. 2 is a schematic view of a cleat fastening assembly provided in accordance with an embodiment of the present application;

fig. 3 is a schematic structural diagram of the movable card provided in the embodiment of the present application.

In the figure: 1. a first connecting seat; 2. a splint; 200. a first portion; 201. a second portion; 3. a second connecting seat; 4. a movable fastener; 400. a horizontal plate; 401. a rotating shaft; 402. a hook is clamped; 5. a first elastic limiting part; 6. a drive member; 600. a connecting plate; 601. a screw; 7. a first guide bar; 8. a slider; 9. a second guide bar; 10. and a second elastic limiting part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides an orthopedic external fixation device and a splint fastening assembly, which are used for solving the problems that in the prior art, bolts need to be screwed for multiple times when splints are fixed and detached, and the operation is complex.

Referring to fig. 1-3, a clamping plate fastening assembly is provided, which includes a plurality of fastening units, each fastening unit includes two parts respectively disposed on two sides of two enclosed clamping plates 2, and each fastening unit includes a first connecting seat 1, a second connecting seat 3, a movable clamping member 4 and a first elastic limiting member 5.

Wherein, the first connecting seat 1 is used for connecting one splint 2 and is provided with a channel; the second connecting seat 3 is used for connecting to the other clamping plate 2; one end of the movable clamping piece 4 is movably connected to the second connecting seat 3 through a first elastic limiting piece 5, the height of the plane of the lower surface of the other end is lower than that of the plane of the bottom wall of the channel, the arrangement is to ensure that a part of the movable clamping piece 4 can be lifted upwards when passing through the channel, the first elastic limiting piece 5 is pressed, namely the movable clamping piece 4 rotates for a certain angle; the first elastic limiting part 5 enables the movable clamping part 4 to have the characteristics of pressed rotation and reset after pressure relief.

Therefore, in the process of fastening the first and second connector holders 1 and 3 to fasten the two clamping plates 2, the movable clamping member 4 has two processes:

firstly, when the other end of the movable clamping piece 4 extends into the channel, the first elastic limiting piece 5 is stressed, and the movable clamping piece 4 rotates for a certain angle;

secondly, when the other end of the movable clamping piece 4 rotating by the moving angle extends out of the channel, the movable clamping piece 4 is driven by the first elastic limiting piece 5 to reset and is clamped with the first connecting seat 1, so that the first connecting seat 1 and the second connecting seat 3 are fastened together;

when dismantling, rotate movable fastener 4, separate first connecting seat 1 and second connecting seat 3 simultaneously, movable fastener 4 gets into the passageway among the separation process, resets after movable fastener 4 withdraws from the passageway.

When fastening splint 2 through above setting, only need stir movable fastener 4 and can fasten, need not carry out the bolt of revolving many times to convenient operation carries out quick fixed and dismantlement.

It should be understood from the above that the sectional area of the passage is larger than the sectional area of the movable jaw 4 in order to facilitate the moving of the movable jaw 4 at the time of disassembly.

In some preferred implementations, if the movable clamping piece 4 is too long or the clamping contact with the first connecting seat 1 is not firm, the connection of the two clamping plates 2 is not stable; in addition, when the movable clamping piece 4 needs to be pulled, certain requirements are met, so that the connecting effect is further enhanced, and the movable clamping piece is convenient to use, and the following settings are carried out:

an installation space is arranged in the second connecting seat 3, and a driving piece 6 is horizontally arranged in the installation space; one end of the driving piece 6 penetrates through the second connecting seat 3, and the other end of the driving piece is rotatably connected with the movable clamping piece 4.

The two ends of the first elastic limiting part 5 are respectively connected with the driving part 6 and the movable clamping part 4, and the driving part 6 and the movable clamping part 4 are collinear, that is, in a normal state, the driving part 6 and the movable clamping part 4 are located in the same horizontal plane.

Therefore, after the movable clamping piece 4 is clamped with the first connecting seat 1, the movable clamping piece 4 can be pulled towards the second connecting seat 3 by the driving piece 6, so that the movable clamping piece 4 is clamped more tightly; when needing to dismantle, driving piece 6 promotes certain distance with movable fastener 4 to the direction of first connecting seat 1, then stirs movable fastener 4, separates second connecting seat 3 and first connecting seat 1 simultaneously.

Further, the specific arrangement of the driving member 6 is as follows:

a thread groove is arranged on the second connecting seat 3, the driving part 6 comprises a connecting plate 600 and a screw 601, wherein the connecting plate 600 is positioned in the mounting space, and one end of the connecting plate is rotatably connected with the movable clamping part 4; the screw 601 is connected to the second connecting holder 3 through a screw groove, and a portion of the screw extends into the mounting space to be rotatably connected to the other end of the connecting plate 600, and the pulling and pushing processes are performed by rotating the screw 601.

Further, in order to enable the track of the process of pulling and pushing the movable clamping piece 4 not to deviate from the designed track all the time, the channel passing is facilitated, first guide rods 7 distributed on the upper side and the lower side of the connecting plate 600 are further arranged in the installation space, sliding connection sliders 8 are arranged on the first guide rods 7, the first guide rods 7 are connected with the connecting plate 600 through the sliders 8, and therefore the screw 601 moves along the extending direction of the first guide rods 7 in the process of pulling or pushing the connecting plate 600.

In some preferred embodiments, in order to facilitate the connection between the first connecting seat 1 and the second connecting seat 3, a guide groove is formed on the first connecting seat 1, and a second guide rod 9 penetrating the guide groove is formed on one surface of the second connecting seat 3, which is used for contacting with the first connecting seat 1, so that the initial contact process between the first connecting seat 1 and the second connecting seat 3 is stable, and the movable clamping piece 4 can pass through the guide groove according to the extending direction of the channel.

In some preferred embodiments, the first elastic limiting member 5 may be a torsion spring, and the movable clamping member 4 includes a horizontal plate 400, a rotating shaft 401 and a hook 402; wherein the rotating shaft 401 is provided with one end of a horizontal plate 400 close to the second connecting seat 3, and a first elastic limiting piece 5 is sleeved on the rotating shaft;

the hook 402 is disposed at an end of the horizontal plate 400 near the first connector 1 and extends downward to form an inclined portion, which facilitates the horizontal plate 400 to enter the passage and provides a transition portion.

Furthermore, a clamping groove used for being connected with the clamping hook 402 is formed in one side, far away from the second connecting seat 3, of the first connecting seat 1, so that connection is strengthened.

The application also provides an orthopedics external fixation device, including foretell splint fastening components and two splint 2 that enclose to close, two splint 2 that enclose to close are connected through splint fastening components.

Owing to used splint fastening components, when using this orthopedics external fixation device, will contact with the fracture department of human body with two splint 2 earlier, then make movable fastener 4 among the splint fastening components pass the passageway to the joint is on first connecting seat 1, thereby fixes two splint 2 fast at the fracture department.

In some preferred examples, considering that the orthopedic external fixation device can be adapted to different patients and can be adjusted adaptively, the following settings are made:

each clamping plate 2 comprises a first part 200, a second part 201 and a second elastic limiting piece 10; the first portion 200 is connected to the cleat fastening assembly and is provided with an arcuate slot; the second part 201 is located in the arc-shaped groove and is connected with the first part 200 through a second elastic limiting piece 10; the second portion 201 is an arcuate plate and is adapted to contact a fracture in the human body.

When the second elastic limiting member 10 is a spring, the second portion 201 contacts with the fracture site of the human body and applies a certain pressure to the second portion 201, so that the second elastic limiting member 10 is compressed, the distance between the second portion 201 and the first portion 200 is reduced, and the elastic force of the second elastic limiting member 10 also acts on the second portion 201, so that the second portion 201 is attached to and closely contacts with the fracture site of the human body, and the maximum compression amount of the second elastic limiting member 10 is the maximum amount of self-adaptive adjustment of the second portion 201.

Thereby need not carry out adjusting bolt and adapt to different patients, can carry out the self-adaptation through above setting, need not operating personnel and adjust.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A cleat fastening assembly, comprising:

one or more fastening units for connecting two enclosing cleats (2), each fastening unit comprising:

-a first connection seat (1) for connection to one of the clamping plates (2) and provided with a passage;

-a second connection seat (3) for connection to another clamping plate (2);

-a movable clip (4), one end of which is movably connected to the second connecting seat (3) through a first elastic limiting member (5), and the height of the plane of the lower surface of the other end of the movable clip (4) is lower than the height of the plane of the bottom wall of the channel;

when the other end of the movable clamping piece (4) extends into the channel, the first elastic limiting piece (5) is stressed, and the movable clamping piece (4) rotates for a certain angle;

when the other end of the movable clamping piece (4) extends out of the channel, the movable clamping piece (4) resets under the driving of the first elastic limiting piece (5) and is clamped with the first connecting seat (1).

2. A cleat fastening assembly as defined in claim 1, wherein:

an installation space is arranged in the second connecting seat (3), a driving piece (6) is horizontally arranged in the installation space, one end of the driving piece (6) penetrates through the second connecting seat (3), and the other end of the driving piece is rotatably connected with the movable clamping piece (4);

the two ends of the first elastic limiting part (5) are respectively connected with the driving part (6) and the movable clamping part (4), and the driving part (6) and the movable clamping part (4) are collinear.

3. A cleat fastening assembly as claimed in claim 2, characterised in that the second connecting seat (3) is provided with a threaded groove, and the driving member (6) comprises:

a connecting plate (600) which is positioned in the mounting space and one end of which is rotatably connected with the movable clamping piece (4);

and the screw rod (601) is connected to the second connecting seat (3) through a thread groove, and a part of the screw rod extends into the mounting space and is rotatably connected with the other end of the connecting plate (600).

4. The cleat fastening assembly of claim 3, wherein:

still be equipped with two first guide bar (7) that distribute in both sides about connecting plate (600) in the installation space, sliding connection slider (8) on first guide bar (7), first guide bar (7) are connected with connecting plate (600) through slider (8).

5. The cleat fastening assembly of claim 1, wherein:

a guide groove is formed in the first connecting seat (1);

and a second guide rod (9) penetrating through the guide groove is arranged on one surface of the second connecting seat (3) which is used for being in contact with the first connecting seat (1).

6. The cleat fastening assembly of claim 1, wherein:

the first elastic limiting part (5) can be a torsion spring.

7. A cleat fastening assembly according to claim 1, characterised in that the movable catch (4) comprises:

a horizontal plate (400);

the rotating shaft (401) is provided with a horizontal plate (400) close to one end of the second connecting seat (3), and the first elastic limiting piece (5) is arranged on the rotating shaft;

and the clamping hook (402) is arranged at one end of the horizontal plate (400) close to the first connecting seat (1) and extends downwards to form an inclined part.

8. The cleat fastening assembly of claim 7, wherein:

and a clamping groove used for being connected with the clamping hook (402) is formed in one side, far away from the second connecting seat (3), of the first connecting seat (1).

9. An orthopedic external fixation device, comprising:

two enclosed clamping plates (2);

the cleat fastening assembly of any of claims 1-8, being provided on a cleat (2) and connecting two enclosing cleats (2).

10. The orthopaedic external fixation device according to claim 9, characterized in that each of said splints (2) comprises:

a first portion (200) connected to the cleat fastening assembly and provided with an arcuate slot;

the second part (201) is positioned in the arc-shaped groove and is connected with the first part (200) through a second elastic limiting piece (10), and the second part (201) is an arc-shaped plate and is used for being in contact with a fracture part of a human body.

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