阅读说明：本技术 一种连续可调的骨牵引支架及其使用方法 (Continuously adjustable bone traction support and using method thereof ) 是由 李浪 于 2020-06-10 设计创作，主要内容包括：本发明公开一种连续可调的骨牵引支架及其使用方法,包括克氏针、牵引装置和固定板；所述固定板有两个,每个固定板包括左、右板,左、右板结合处设有连续齿槽,所述牵引装置上有与连续齿槽相适配的齿轮,所述牵引装置设置在固定板的左、右板结合处,齿轮与左、右板啮合,所述固定板的左、右板由螺栓连接,所述克氏针穿过两个固定板上对应的牵引装置的中心通孔,所述克氏针的两头设有克氏针固定装置；使用方法包括步骤：1、组装牵引支架；2、实施骨牵引。本发明结构简单,操作简便,可调节骨牵引的长度并精准控制,保护患者受伤部分的肢体。(The invention discloses a continuously adjustable bone traction bracket and a using method thereof, wherein the bone traction bracket comprises a Kirschner wire, a traction device and a fixing plate; the device comprises a left fixing plate and a right fixing plate, wherein the number of the fixing plates is two, each fixing plate comprises a left plate and a right plate, a continuous tooth socket is arranged at the joint of the left plate and the right plate, a gear matched with the continuous tooth socket is arranged on a traction device, the traction device is arranged at the joint of the left plate and the right plate, the gear is meshed with the left plate and the right plate, the left plate and the right plate of each fixing plate are connected through bolts, the Kirschner wire penetrates through central through holes of the corresponding traction devices on the two fixing plates, and Kirschner wire fixing devices are arranged at two ends of; the using method comprises the following steps: 1. assembling a traction bracket; 2. bone distraction is performed. The invention has simple structure and simple and convenient operation, can adjust the length of the bone traction, accurately control and protect the limbs of the injured part of the patient.)

1. A continuously adjustable distraction support, comprising: comprises a Kirschner wire (1), a traction device (2) and a fixing plate (3); fixed plate (3) have two, and every fixed plate (3) is including left and right board, and left and right board junction is equipped with continuous tooth's socket (302), draw gear (2) are gone up have with continuous tooth's socket (302) looks adaptation the gear, draw gear (2) set up in the left and right board junction of fixed plate (3), gear and left and right board meshing, the left and right board of fixed plate (3) is connected by bolt (4), ke shi needle (1) passes the central through-hole of the draw gear (2) that corresponds on two fixed plates (3), the both ends of ke shi needle (1) are equipped with ke shi needle fixing device (5).

2. The continuously adjustable distraction frame of claim 1, wherein: the traction device (2) comprises a sleeve (201) and a baffle (202); the baffle plates (202) are fixedly connected to two ends of the sleeve (201), the sleeve (201) is communicated with the central portion of the baffle plates (202), and the gear is arranged on the outer wall of the sleeve (201).

3. The continuously adjustable distraction frame of claim 1, wherein: the Kirschner wire fixing device (5) comprises a sleeve (501) and a fastening bolt (502); the side of sleeve (501) has the screw hole, and the screw hole communicates with the center through-hole of sleeve (501) is perpendicular, the outside diameter adaptation of the center through-hole internal diameter and ke shi needle (1) of sleeve (501), fastening bolt (502) and the screw hole adaptation of sleeve (501).

4. The continuously adjustable distraction frame of claim 1, wherein: the number of the kirschner wires (1) is two.

5. The continuously adjustable distraction frame of claim 1, wherein: the number of the traction devices (2) is four.

6. The continuously adjustable distraction frame of claim 1, wherein: the fixing plate (3) is in a long plate shape.

7. The continuously adjustable distraction frame of claim 1, wherein: the fixed plate (3) is longitudinally provided with scale marks (301).

8. The method of using a continuously adjustable distraction frame according to any of claims 1-7, comprising the steps of:

step 1, assembling a traction support, wherein gears of a traction device (2) are respectively meshed with continuous tooth sockets (302) at the joint of a left plate and a right plate of a fixing plate (3), the left plate and the right plate of the fixing plate (3) are connected by bolts (4), a Kirschner wire (1) penetrates through bones of local four limbs (6), the bolts (4) are loosened, the meshing position between the traction device (2) and the left plate and the right plate of the fixing plate (3) is adjusted according to the puncture position of the Kirschner wire (1), the traction device (2) is preliminarily fixed, then two ends of the Kirschner wire (1) respectively penetrate through central through holes of the corresponding traction devices (2) on the two fixing plates (3), and then two ends of the Kirschner wire (1) are provided with Kirschner wire fixing devices (5);

step 2, implementing bone traction, loosening the bolts (4), adjusting the meshing positions between the traction device (2) and the left plate and the right plate of the fixing plate (3), driving the Kirschner wires (1) to move by the traction device (2), changing the relative positions between the two Kirschner wires (1), controlling the adjusting distance through scale marks (301) on the fixing plate (3), tightening the bolts (4) to fix the traction device (2) again, clamping local limbs (6) by the fixing plate (3) finally, and tightening fastening bolts (502) of the Kirschner wire fixing device (5) to clamp the fixing plate (3).

Technical Field

The invention relates to the field of medical equipment research, in particular to a continuously adjustable bone traction support and a using method thereof.

Background

In the clinical treatment of orthopedics, the fracture of limbs often needs to adopt bone traction technique to prevent muscle contraction, prevent and correct the contracture of soft tissue, fracture traction can stabilize the fracture to a certain extent simultaneously, reduces patient's pain, can regard as the final treatment mode of fracture under certain condition simultaneously.

However, the common clinical bone traction needs the patient to lie in bed for a long time, and the traction length cannot be adjusted and cannot be precise, so that a great deal of inconvenience and hidden danger are brought to the patient.

Disclosure of Invention

The invention aims to provide a continuously adjustable bone traction support and a using method thereof, which have the advantages of simple structure and simple and convenient operation, can adjust the length of bone traction, accurately control and protect the limbs of the injured part of a patient.

In order to achieve the aim, the invention provides a continuously adjustable bone traction bracket, which comprises a Kirschner wire, a traction device and a fixing plate; the fixed plate has two, and every fixed plate includes left and right board, and left and right board junction is equipped with continuous tooth's socket, draw gear go up have with the gear of continuous tooth's socket looks adaptation, draw gear sets up the left and right board junction at the fixed plate, gear and left and right board meshing, the left and right board of fixed plate is by bolted connection, the ke shi needle passes two fixed plates on corresponding draw gear's the central through-hole, the two of ke shi needle is equipped with ke shi needle fixing device.

Preferably, the traction device comprises a sleeve and a baffle; the baffle is fixedly connected with two ends of the sleeve, the sleeve (201) is communicated with the central part of the baffle, and the gear is arranged on the outer wall of the sleeve.

Preferably, the kirschner wire fixing device comprises a sleeve and a fastening bolt; the lateral surface of the sleeve is provided with a threaded hole, the threaded hole is vertically communicated with a central through hole of the sleeve, the inner diameter of the central through hole of the sleeve is matched with the outer diameter of the Kirschner wire, and the fastening bolt is matched with the threaded hole of the sleeve.

Preferably, the number of the kirschner wires is two.

Preferably, the traction device has four.

Preferably, the fixing plate has a long plate shape.

Preferably, the fixing plate is longitudinally provided with scale marks.

Further, the use method comprises the following steps:

step 1, assembling a traction support, wherein gears of a traction device are respectively meshed with continuous tooth sockets at the joint of a left plate and a right plate of a fixed plate, the left plate and the right plate of the fixed plate are connected by bolts, a Kirschner wire penetrates through bones of local limbs, the bolts are unscrewed, the meshing position between the traction device and the left plate and the right plate of the fixed plate is adjusted according to the puncture position of the Kirschner wire, the traction device is preliminarily fixed, then two ends of the Kirschner wire respectively penetrate through central through holes of the corresponding traction devices on the two fixed plates, and then the Kirschner wire fixing devices are installed on the two ends of the Kirschner wire;

and 2, performing bone traction, loosening the bolt, adjusting the meshing position between the traction device and the left and right plates of the fixing plate, driving the Kirschner wires to move by the traction device, changing the relative position between the two Kirschner wires, controlling the adjusted distance by the scale line on the fixing plate, tightening the bolt to fix the traction device again, clamping local four limbs by the fixing plate, and tightening the fastening bolt of the Kirschner wire fixing device to clamp the fixing plate.

The invention has the following beneficial effects:

1. the structure is simple, and the operation is simple and convenient;

2. the length of the bone traction can be adjusted and accurately controlled;

3. a support is integrally formed to protect the limb of the injured part of the patient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic view of the overall structure of the present invention mounted on a partial extremity;

FIG. 2 is a schematic longitudinal cross-sectional structure of the present invention;

FIG. 3 is a schematic structural view of the traction device of the present invention;

FIG. 4 is a schematic structural view of the K-wire fixing device of the present invention;

in the figure: 1-Kirschner wire, 2-traction device, 201-sleeve, 202-baffle, 3-fixing plate, 301-graduation line, 302-continuous tooth socket, 4-bolt, 5-Kirschner wire fixing device, 501-sleeve, 502-fastening bolt and 6-local four limbs.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, cannot be understood as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention relates to a continuously adjustable bone traction bracket, which comprises a Kirschner wire 1, a traction device 2 and a fixing plate 3; fixed plate 3 has two, and every fixed plate 3 includes left and right board, and left and right board junction is equipped with continuous tooth's socket 302, draw gear 2 is last have with the gear of continuous tooth's socket 302 looks adaptation, draw gear 2 sets up the left and right board junction at fixed plate 3, gear and left and right board meshing, the left and right board of fixed plate 3 is connected by bolt 4, ke shi needle 1 passes the central through-hole of draw gear 2 that corresponds on two fixed plates 3, two of ke shi needle 1 are equipped with ke shi needle fixing device 5.

Preferably, the traction device 2 comprises a sleeve 201 and a baffle 202; the baffle 202 is fixedly connected to two ends of the sleeve 201, the sleeve 201 is communicated with the central part of the baffle 202, and the gear is arranged on the outer wall of the sleeve 201.

Preferably, the kirschner wire fixing device 5 comprises a sleeve 501 and a fastening bolt 502; the side of sleeve 501 has the screw hole, and the screw hole communicates with the central through-hole of sleeve 501 perpendicularly, the outer diameter adaptation of the central through-hole internal diameter and the ke shi needle 1 of sleeve 501, fastening bolt 502 and the screw hole adaptation of sleeve 501.

Preferably, there are two kirschner wires 1.

Preferably, there are four traction devices 2.

Preferably, the fixing plate 3 has a long plate shape.

Preferably, the fixing plate 3 is provided with scale marks 301 in the longitudinal direction.

Further, the use method comprises:

step 1, assembling a traction support, wherein gears of a traction device 2 are respectively meshed with continuous tooth sockets 302 at the joint of a left plate and a right plate of a fixed plate 3, the left plate and the right plate of the fixed plate 3 are connected by bolts 4, a Kirschner wire 1 penetrates through bones of local limbs 6, the bolts 4 are unscrewed, the meshing position between the traction device 2 and the left plate and the right plate of the fixed plate 3 is adjusted according to the puncture position of the Kirschner wire 1, the traction device 2 is preliminarily fixed, then two ends of the Kirschner wire 1 respectively penetrate through central through holes of the corresponding traction devices 2 on the two fixed plates 3, and then the Kirschner wire fixing devices 5 are installed at two ends of the Kirschner wire 1;

and 2, performing bone traction, loosening the bolt 4, adjusting the meshing position between the traction device 2 and the left and right plates of the fixing plate 3, driving the Kirschner wire 1 to move by the traction device 2, changing the relative position between the two Kirschner wires 1, controlling the adjusting distance by the scale mark 301 on the fixing plate 3, tightening the bolt 4 to fix the traction device 2 again, and finally enabling the fixing plate 3 to clamp local limbs 6 and tightening the fastening bolt 502 of the Kirschner wire fixing device 5 to clamp the fixing plate 3.