Orthopaedic nail removing device

Technical Field

The utility model relates to a field of medical devices, in particular to a device for orthopedic nail.

Background Art

At present, in the built-in on the steel plate of the bone, are often using a screwdriver is inserted in the bone nail groove of the nail head, slowly rotated until its removal, this approach not only troublesome operation, time and labor consuming, and when the nail groove immodesty be worn at the time of destruction, it is very difficult to take out the bone. In addition there is also a solution is to use two of the artificial nail, this approach requires aculeated the end of a lower clamping plate, so that the lower surface of the in-depth bone nail nail head , however, such are easy to hurt the patient.

Content of the utility model

The purpose of the utility model is to provide a device for orthopedic nail, the above-mentioned in order to solve the issues raised in the background technology.

In order to achieve the above-mentioned purpose, the present utility model provides the following technical scheme:

A device for orthopedic nail, including a vertical rod, fixed column and a fixing clamp, there are two of the vertical, is arranged below the vertical with fixing bolts shape sleeve chuck U; the two is arranged between the vertical cross bar, said cross bar is fixed on the right side of the vertical direction of the right side of, the left side of the transverse rods is sleeved with a sleeve, the sleeve is provided with a locking nut, the sleeve is fixed at the left side, the left side of the vertical pole; the middle part of said transverse rod is provided with a vertically disposed rotating shaft, the rotating shaft with the bearing with the cross bar; is arranged between the U-shaped guide rail, the U-shaped guide rail is provided with a rack, said rack and cooperates with the gear in the middle of the rotating shaft; the fixed column is arranged at the lower end of the rotating shaft, the fixed column are symmetrically arranged at the lower end of a fixing clip; between the fixing clip is provided with a cutter head, the cutter head is connected with the lower end of the fixed column; the fixing clip is provided with a sliding sleeve; the fixing clip the outer side is provided with a plurality of jacks, the jack is set in matching the bolt with it.

As the utility model has the further programme: the cutter head is that a character of the cutter head.

As the utility model further programme: the fixing clip of the circular arc section.

As the utility model further programme: the sliding sleeve is sleeved on the fixed clamp and the outer surface of the lower moving along the fixing clamp.

Compared with the prior art, the beneficial effect of the utility model is: arranged sleeve, locking nut, U and shape sleeve chuck the fixed bolts can be fixed on different sizes of beds or on the operating table, is fixed is convenient, strong practicability; when in use, the retaining clip on the edge of the bone, the sliding sleeve downward so as to tighten the clamp, the bolt inserted into the corresponding in the jack of the upward movement of the sliding sleeve, so that the tool bit in the groove in the bone, clamp the bone nails, at this time the rack is inserted in the U-shaped guide rail, the engagement of the rack and the gear, the rack end face lightly with a hammer, by the rack the gear is driven to rotate, and then the rotating shaft drives the fixed rotary, bone is taken out, in the course of the entire nail, through the driving gear a large torque to the rotating shaft, and the percussion hammer of the rack will generate vibration in the process, so it is easy to take out the bone nail, bone screw is not easy to occur the phenomenon of fracture, reducing the difficulty of the nail, to reduce the secondary injury, and easy to use, to facilitate the operation.

To sum up, the structure of the model is reasonable design, can be fixed on the beds of different sizes, the practicability is strong; the screw is not easy to occur the phenomenon of fracture, reducing the difficulty of the nail, to reduce the secondary injury, surgical convenience to the doctor.

Description of drawings

Figure 1 is the structure diagram of device for orthopedic nail.

Figure 2 is the partial enlarged view of the nail is A of orthopedics in the device.

In the Figure: 1-a fixing bolt, 2-U shape sleeve chuck , 3-sleeve, 4-locking nut, 5-pole, 6-rotating shaft, 7-bearing, 8-cross bar, 9-rack, 10-U-shaped guide rail, 11-gear, 12-fixed column, 13-bolt, 14-jack, 15-fixing clamp, 16-sliding sleeve, 17-bit.

Mode of execution

The combination of the embodiment of the utility model the accompanying drawing, to the embodiment of the utility model in a clear the technical scheme, complete described, obviously, the embodiment described is only a part of the utility model embodiment, , but not all, of the embodiment. Based on the embodiment of the utility model, one of ordinary skill in the art without making creative work is obtained on the premise that all of the other embodiments, all belong to the scope of protection of the utility model.

Please refer to the chart 1-2, a bone nail device, including a vertical rod 5, the fixed column 12 and a fixing clip 15, the upper end of the vertical 5 with two, of the vertical 5 the lower part of the fixing bolt is provided with a 1 U shape sleeve chuck of 2 ; the upper end of the vertical 5 is arranged between the two transverse rods 8, the transverse bar 8 is fixed to the right of the right side of the 5 upper, the transverse bar 8 is sleeved with the left side of the sleeve 3, the sleeve 3 is provided with a locking nut 4, the sleeve 3 is fixed on the left side of the left side of 5 the upper; the transverse bar 8 is provided with a vertically arranged at the middle of the rotating shaft 6, the rotating shaft 6 and the transverse rod 8 on bearing 7 with; the states the cross rod 8 is arranged between the U-shaped guide rail 10, the U-shaped guide rail 10 is provided with a rack 9, the rack 9 is provided on the rotating shaft 6 in the middle of the gear 11 with; the rotating shaft 6 is arranged at the lower end of the fixed column 12, the fixed column 12 are symmetrically arranged at the lower end of a fixing clip 15 ; the fixing clip 15 is arranged between the head 17, the cutter head 17 and the fixed column 12 is connected with the lower end of; the fixing clip 15 is provided with a sliding sleeve 16 ; the fixing clip 15 is provided with a plurality of jacks on the outer side 14, the jack 14 is provided in the matching the bolt 13.

The working principle of the utility model is: set up sleeve 3, the locking nut 4, U shape sleeve chuck 2 and the fixing bolt 1 can make this model is fixed at the different size of the beds or an operating table, is fixed is convenient, strong practicability; when in use, the fixing clip 15 on the edge of the bone, the downward sliding of the sliding sleeve 16 so as to tighten the fixing clip 15, the bolt 13 is inserted into the corresponding jack 14 from sliding sleeve 16 to move upwards, so that the tool bit 17 in the groove in the bone, clamp the bone nails, at this time the rack 9 is inserted into the U-shaped guide rail 10 in, to make the rack 10 and the gear 11 engaged, rack youll with a hammer 9 end face, which comprises a rack bar 9 drives the gear 11 to rotate, and then through the rotating shaft 6 of the fixing clip of the drives below the 15 rotary, bone is taken out, in the course of the entire nail, rack 9 through the driving gear 11 to the rotation shaft 6 of the torque are relatively great, and the percussion hammer rack 9 to be produced in the process of vibration, so it is easy to take out the bone nail, bone screw is not easy to occur the phenomenon of fracture, reducing the difficulty of the nail, to reduce the secondary injury, and easy to use, to facilitate the operation.

For the purposes of the technical personnel in this field, it is clear that the utility model is not limited to the details of the above-mentioned exemplary embodiment, but without departing from the spirit or basic characteristic of the circumstances, can in other specific forms of the utility model is realized. Therefore, no matter from which point of view, the embodiment shall be regarded as the exemplary, but non-restrictive, the scope of the utility model by the appended claim rather than to the foregoing limit, therefore aimed at in the equivalent of the claim and the elements within the scope of the meaning of all changes in swept in the utility model. In a claim should not be of any the Figure mark regarded as limiting the claim.

Furthermore, it should be understood, although this specification described in accordance with the embodiment, but not every embodiment only includes an independent technical scheme, this narrative description is only for the sake of clarity, the technicians of this field should be the specification as a whole, in the technical scheme of the embodiment can also be suitably combined, form the technicians of this field will be understood other embodiments.