CN203943860U - Adjustable skull traction frame - Google Patents

Abstract

The utility model discloses an adjustable skull traction frame, which belongs to the field of medical equipment and comprises an angle adjustment device (3) fixed on the edge of a bed, and the angle adjustment device (3) is also supported on the ground by a support rod (4). , and the angle adjustment device (3) is hinged with a traction bracket (5) that can rotate relative to it, and the distal end of the traction bracket (5) is provided with a fixed pulley (51); it also includes a skull outer plate (1), a skull traction Bow (2) and traction rope (7), the outer plate of the skull (1) can match the lower jaw of the patient and the ear and temporal parts on both sides of the skull, and the outer plate of the skull (1) is fixedly connected to the traction bow (2) of the skull along the cranial top direction , the traction rope (7) bypasses the fixed pulley (51), one end is connected to the skull traction bow (2), and the other end is connected to the traction component (8). The utility model realizes the adjustment of the degree of extension and flexion of the cervical spine by adjusting the height of the traction bracket, and meets the special requirements of different cervical spine operations for the curvature of the cervical spine.

Description

Adjustable Skull Traction Frame

technical field

The utility model belongs to the field of medical equipment, in particular, it is an adjustable skull traction frame used for trauma treatment such as cervical vertebra fracture and dislocation.

Background technique

Anterior cervical decompression and fusion is one of the main ways to treat cervical spondylosis and cervical trauma. During anterior cervical surgery, it is very important to maintain exact fixation and proper curvature of the cervical spine. Due to the particularity of the position of the head and neck, it is not easy to fix it. At the same time, repeated operations on the neck will easily shift and move the head and neck, which is not conducive to the operation, especially when the spinal canal is opened, it may cause spinal cord injury. And different cervical spine surgeries have different requirements for the extension and flexion of the cervical spine. Therefore, stable fixation and reasonable cervical extension and flexion are very important for cervical spine surgery.

The commonly used skull traction method is to fix the skull traction bow on the patient's skull and implement traction. The structure of the skull traction bow is similar to a clamp-type bow body. The main body of the clamp-type bow body is two hinged arc-shaped clamping rods. The tail of the body is provided with a screw nut to adjust the size of the chuck opening. The screw passes through the two light holes at the tail of the clamp handle, and the two nuts are adjusted to adjust and fix the size of the chuck opening. There is a tie rod attached to the weight. This method has the following problems: 1. The position of the steel needle is off the top of the skull, and the steel needle is easy to fall off from the skull when traction is applied;

2. It is inconvenient to adjust the extension and flexion of different cervical vertebrae; 3. The steel needle is tightened and fixed by the screw nut adjustment. When the patient moves, the nut is easy to loosen, the fixation is not reliable, and the three-dimensional direction adjustment cannot be realized. It is easy to cause danger when transferred back and forth. It can be seen that the method of inserting the steel needle into the skull is neither safe nor convenient.

Contents of the invention

The utility model aims to provide an adjustable skull traction frame with simple installation, convenient operation, firm fixation and the ability to meet different operation requirements.

For realizing above-mentioned technical purpose, the technical scheme that the utility model adopts is as follows:

An adjustable skull traction frame, including an angle adjustment device fixed on the edge of the bed, the angle adjustment device is also supported on the ground through a support rod, and a traction bracket that can rotate relative to it is hinged on the angle adjustment device, and the traction bracket is hinged on the angle adjustment device. There is a fixed pulley at the distal end of the bracket; it also includes a skull outer plate, a skull traction bow and a traction rope. The skull outer plate can match the patient’s mandible and the ear temporal parts on both sides of the skull. The skull outer plate is fixed and connected to the skull traction along the cranial top direction Bow, the traction rope goes around the fixed pulley, one end is connected to the skull traction bow, and the other end is connected to the traction part.

The utility model adopts the above-mentioned technical solution, and the outer plate of the skull is pulled by the traction part, so as to fix the head and neck of the patient, prevent the operation from being affected by the displacement during the operation, and at the same time adjust the rotation position of the traction bracket to change the traction height, so as to realize the extension and flexion of the cervical spine The adjustment can meet the requirements of different cervical spine surgery for the curvature of the cervical spine.

It is further defined that the angle adjusting device is engaged on the edge of the bed through a U-shaped slot and fixed by bolts. The adjustable traction bracket and the operating bed are independent of each other, and are temporarily clamped with the bed edge through the U-shaped card slot. When needed, it can be temporarily installed and fixed, and can be easily removed when not needed to meet different surgical requirements without taking up extra space.

It is further defined that the angle adjustment device controls the rotation of the traction bracket through a hand-operated turbine lever. Hand-operated turbo lever control height adjustment is more common in medical equipment, which makes it easy for the operator to master and reduces operational errors caused by unfamiliarity with the equipment.

Compared with the prior art, the utility model is simple to operate, firmly fixed, and can adapt to the requirements of different patients on the extension and flexion of the cervical spine. The worm gear structure has a self-locking function, which makes it unnecessary to use additional mechanism locking when adjusting the angle of the traction bracket. It is safe, simple and effective, and it is easy to install and disassemble. It can be removed at any time when not in use to save space on the operating table.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the use status diagram of the utility model.

Detailed ways

In order to enable those skilled in the art to better understand the utility model, the technical solution of the utility model will be further described below in conjunction with the drawings and embodiments.

As shown in Figure 1 and Figure 2, an adjustable skull traction frame includes an angle adjustment device 3 fixed on the edge of the bed. The rod 4 is supported on the ground, so that the angle adjustment device 3 can be better positioned, and the angle adjustment device 3 is hinged with a traction bracket 5 that can rotate relative to it, wherein the proximal end of the traction bracket 5 is hinged on the angle adjustment device 3 through a rotating shaft , the far end is provided with fixed pulley 51.

It is also necessary to fix the outer skull plate 1 on the patient. The outer skull plate 1 can match the patient’s lower jaw and the ear temporal parts on both sides of the skull to prevent the patient’s skull from slipping out of the outer skull plate. Skull traction bow 2, the skull traction bow 2 forms a closed loop with the skull outer plate 1, the top of the skull traction bow 2 is connected to the traction rope 7, after the traction rope bypasses the fixed pulley 51, it generates traction by connecting the traction member 8.

For the safety of the patient, the two ends of the skull traction bow 2 can be fixed on the skull by steel needles, so that the connection between the skull traction bow 2 and the skull outer plate 1 is hinged to each other. The traction component 8 can adopt, for example, a weight device capable of adjusting the magnitude of the traction force, and different traction forces can be adjusted by selecting weights of different weights.

The angle adjusting device 1 controls the rotation of the traction bracket 5 through the hand turbine lever 31, and its specific structure is that the driving gear 32 on the hand turbine lever 31 drives the driven gear 33 connected to the traction bracket 5 to rotate.

The working principle of the skull traction frame is as follows: First, fix the patient's mandible and the ear temporal parts on both sides of the skull through the outer plate of the skull 1, and then adjust the position of the U-shaped card slot 6 and the bolt to fix it on the edge of the bed to ensure that the patient's skull is in two directions when being pulled. The lateral force is balanced to avoid the left or right deviation of the head and neck. The skull traction bow 2 is fixed on the outer plate of the skull 1 along the direction of the top of the skull. The traction rope 7 is connected to the top of the skull traction bow 2, and then the traction rope 7 bypasses the traction The fixed pulley 51 at the far end of the bracket 5 and the tail end add a weight of appropriate weight to form the traction member 8, and the above structure tracts and fixes the patient's head and neck through the conduction of force. In order to meet the requirements of different cervical spine operations for the extension and flexion of the cervical spine, the hand-operated turbine rod 31 can be adjusted to change the traction height and the traction direction of the traction bracket 5, thereby realizing the adjustment of the extension and flexion of the cervical spine. When not in use, untie the U-shaped card slot 6 and take off the skull traction frame.

The adjustable skull traction frame provided by the utility model has been introduced in detail above. The description of specific embodiments is only used to help understand the method and core idea of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (3)

1. An adjustable skull traction frame is characterized in that it comprises an angle adjustment device (3) fixed on the edge of the bed, and the angle adjustment device (3) is also supported on the ground by a support rod (4), and the angle adjustment The device (3) is hinged with a traction bracket (5) that can rotate relative to it, and the distal end of the traction bracket (5) is provided with a fixed pulley (51); It also includes a skull outer plate (1), a skull traction bow (2) and a traction rope (7). The skull outer plate (1) can match the patient’s mandible and the ear temporal parts on both sides of the skull. The skull outer plate (1) is The cranial top direction is fixedly connected with the skull traction bow (2), and the traction rope (7) walks around the fixed pulley (51), and one end is connected with the skull traction bow (2), and the other end is connected with the traction component (8). 2 . The adjustable skull traction frame according to claim 1 , characterized in that, the angle adjustment device ( 3 ) is engaged on the edge of the bed through a U-shaped slot ( 6 ) and fixed by bolts. 3 . 3 . The adjustable skull traction frame according to claim 1 , characterized in that, the angle adjustment device ( 3 ) controls the rotation of the traction bracket ( 5 ) through a hand-operated turbine rod ( 31 ).