CN215079482U - C-shaped guider for orthopedic surgery - Google Patents

Abstract

The utility model belongs to the field of medical equipment, and relates to a C-shaped guider for orthopedic surgery, which comprises a semi-C-shaped left support arm and a semi-C-shaped right support arm which are spliced with each other, wherein a through threaded through hole is formed at the splicing part of the left support arm and the right support arm, and a handle is connected with the through threaded through hole of the left support arm and the right support arm through a thread; the lower extreme fixed mounting of left support arm has left drill bushing, and the lower extreme fixed mounting of right support arm has right ring cover, and right ring cover female connection has right drill bushing, and the one end fixed mounting that left drill bushing was kept away from to right drill bushing has the hexagon nut that the direction hole was seted up at the middle part, has the unable accuracy of guide pin once only to put into and not convenient to detach when solving current director and putting into the guide pin, puts into repeatedly and causes the problem of artificial osteoporosis easily.

Description

C-shaped guider for orthopedic surgery

Technical Field

The utility model belongs to the field of medical equipment, a C type director is used in orthopedic surgery is related to.

Background

Minimally invasive osteosynthesis has become a popular trend. The fracture treatment principle proposed in the early stage of establishment by the International organization for fixation (AO tissue) has been replaced by the BO (biological osteopathy) concept after decades of research and application. The core of BO is to protect the blood supply at the fracture site and to perform stable internal fixation, not strong internal fixation, using a rational reduction technique without exposing the fracture ends as much as possible. Thereby providing a good biological environment for fracture healing. Especially for irregular bone fracture, the internal fixation is more required to be minimally invasive as much as possible, and because the joint surfaces are multiple, the bone blood supply is easy to be damaged during incision and reduction, and the internal fixation of the closed reduction guide cylinder is a preferred choice for treating irregular bone fracture. Such as carpal fracture, heel fracture, talus fracture and the like, require minimally invasive internal fixation to reduce the possibility of bone nonunion, osteonecrosis and the like. The closed reset guide cylinder needs accurate guidance for the screw to reach the expected position when being placed and be stably fixed.

At present, the guide cylinder internal fixation at home and abroad mainly depends on blind insertion of a guide pin, and the insertion of the guide pin usually needs repeated insertion and positioning under the perspective of a C-arm machine. Artificial osteoporosis is easily caused when the screw is repeatedly placed, and the fixation of the guide cylinder is not facilitated, so that the firmness of the internal fixing screw is influenced. The design of the guider mainly facilitates the smooth insertion of the guide pin of the guide cylinder, and the guider is convenient to detach after the use is finished.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a solve above-mentioned current director and have the unable once only of accuracy of guide pin and put into and be not convenient for dismantle when putting into the guide pin, put into repeatedly and cause the problem of artificial osteoporosis easily, provide a C type director for orthopedic operation.

In order to achieve the above purpose, the utility model provides a following technical scheme: a C-shaped guider for orthopedic surgery comprises a semi-C-shaped left support arm and a semi-C-shaped right support arm which are spliced with each other, wherein a through threaded through hole is formed at the splicing position of the left support arm and the right support arm, and a handle is connected to the through threaded through hole of the left support arm and the through threaded through hole of the right support arm in a threaded manner;

the lower end of the left support arm is fixedly provided with a left drill bushing, the lower end of the right support arm is fixedly provided with a right ring sleeve, the right ring sleeve is in threaded connection with a right drill bushing, and one end, far away from the left drill bushing, of the right drill bushing is fixedly provided with a hexagon nut with a guide hole in the middle.

The beneficial effect of this basic scheme lies in: the handle is in threaded connection with the left support arm and the right support arm which are spliced with each other, so that the left support arm and the right support arm can be conveniently assembled and disassembled; the right drill bushing in the right ring sleeve at the lower end of the right support arm is in threaded connection with the right ring sleeve, the bone surface of the limb of the patient can be fixed by screwing the right drill bushing, the clamping force can be adjusted, and the guide pin can be conveniently and linearly inserted into the limb of the patient.

Furthermore, the splicing part of the left support arm and the right support arm is in a step shape, and a screw rod matched with the threaded through hole is fixedly installed at the front end of the handle. Has the advantages that: the left support arm and the right support arm are convenient to assemble in a stepped splicing mode.

Furthermore, the opposite sides of the left drill bushing and the right drill bushing are in a sawtooth shape, and the side, away from the right drill bushing, of the left drill bushing is in a closed shape. Has the advantages that: the left drill sleeve and the right drill sleeve with the sawtooth-shaped end parts can improve the friction force of the contact between the left drill sleeve and the right drill sleeve and the bone surface of the limb, and prevent the left drill sleeve and the right drill sleeve from slipping off the surface of the limb.

Furthermore, eight saw teeth are evenly distributed on the left drill sleeve and the right drill sleeve. Has the advantages that: the left drill bushing and the right drill bushing with the eight sawteeth are attractive and have strong anti-skidding capacity.

Furthermore, the diameter of the guide hole is 1-5 mm. Has the advantages that: the guide holes have different inner diameters and are suitable for the insertion of guide pins with different diameters.

Further, the diameter of the guide hole is 3.5 mm.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a C type director for bone surgery can be fit for fracture positions such as wrist navicular bone, calcaneum, talus bone, behind the tight patient limbs bone face of left drill bushing and the cooperation of right drill bushing clamp in the director, and the guide pin can be once only put into accurately, can avoid putting into the guide pin repeatedly and cause artificial osteoporosis, influences treatment's problem.

2. The utility model discloses a C type director for bone surgery, right drill bushing and right side ring cover threaded connection in the right side support arm lower extreme right side ring cover can be fixed patient's limbs bone surface through revolving the right drill bushing soon to the centre gripping dynamics can be adjusted, and the guide pin straight line of being convenient for inserts patient's limbs, and the left drill bushing and the right drill bushing of cockscomb structure, can avoid the director to follow the slippage of limbs bone surface.

3. The utility model discloses a C type director for bone surgery is applicable to irregular bone fracture closed internal fixation that resets, can obviously reduce fracture department blood supply damage to the possibility that infection takes place when reducing the incision and resetting can also avoid the blood supply of irregular bone and the nerve blood vessel that closes on as far as possible, reduces iatrogenic source's damage.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of the C-shaped guide for orthopedic surgery of the present invention;

FIG. 2 is a schematic structural view of the left support arm of the C-shaped guider for orthopedic surgery of the present invention;

FIG. 3 is a schematic structural view of the right support arm of the C-shaped guider for orthopedic surgery of the present invention;

FIG. 4 is a schematic structural view of the left drill bushing of the C-shaped guider for orthopedic surgery of the present invention;

FIG. 5 is a schematic structural view of the right drill sleeve of the C-shaped guider for orthopedic surgery of the present invention;

fig. 6 is a schematic structural view of the handle of the C-shaped guider for orthopedic surgery of the present invention.

Reference numerals: the drill bit comprises a left support arm 1, a right support arm 2, a handle 3, a left drill bushing 4, a right ring sleeve 5, a right drill bushing 6, a threaded through hole 7 and a hexagon nut 8.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

As shown in fig. 1 ~ 6C type director for orthopedic surgery, including half C type left support arm 1 and the right support arm 2 of splicing each other, the screw thread through-hole 7 that link up is seted up in the concatenation department of left support arm 1 and right support arm 2, and threaded connection has handle 3 on the screw thread through-hole 7 that left support arm 1 and right support arm 2 link up, and left support arm 1 and 2 concatenation departments of right support arm are the echelonment promptly, and the front end fixed mounting of handle 3 has the screw rod with 7 looks adaptations of screw thread through-hole.

The lower end of the left support arm 1 is fixedly provided with a left drill bushing 4, the left drill bushing 4 is fixed at the lower end of the left support arm 1 in a welding mode, the lower end of the right support arm 2 is fixedly provided with a right ring sleeve 5, the right ring sleeve 5 is in threaded connection with a right drill bushing 6, the central lines of the left drill bushing 4 and the right drill bushing 6 are on a straight line, one side of the left drill bushing 4, which is opposite to the right drill bushing 6, is in a sawtooth shape, eight sawteeth are uniformly distributed on the left drill bushing 4 and the right drill bushing 6, and one side of the left drill bushing 4, which is far away from the right drill bushing 6, is in a closed shape. The one end fixed mounting that right drill bushing 6 kept away from left drill bushing 4 has the hexagon nut 8 that the guide hole was seted up at the middle part, and the diameter of guide hole is 1 ~ 5mm, and the diameter of guide hole is preferred 3.5mm, and the guide hole internal diameter is different, is applicable to putting into of various different diameter guide pins.

Before the C-shaped guider for orthopedic surgery is used, the handle 3 is sequentially in threaded connection with the right support arm 2 and the left support arm 1, the handle 3, the right support arm 2 and the left support arm 1 are fixedly connected, then the left drill bushing 4 is welded at the lower end of the left support arm 1, the right ring sleeve 5 is welded at the lower end of the right support arm 2, and finally the right drill bushing 6 is screwed in the right ring sleeve 5 in a threaded manner to complete the pre-installation of the C-shaped guider.

When the C-shaped guider for the orthopedic surgery is used, a limb bone surface to be fixed is placed between the left drill sleeve 4 and the right drill sleeve 6, the right drill sleeve 6 is screwed to enable one end of a sawtooth of the right drill sleeve 6 to abut against the limb bone surface, and a guide pin is inserted from the outer end of the right drill sleeve 6. And under the condition that the perspective fracture alignment of the C-arm machine is good, pressing the guide pin, and enabling the guide pin to penetrate through the bone surface of the limb into the left drill sleeve 4.

After the C-shaped guider for the orthopedic surgery is used, the handle 3 is reversely rotated, the handle 3 is screwed out from the splicing position of the left support arm 1 and the right support arm 2, the left support arm 1 and the left drill bushing 4 are taken down from the left side of the guide pin, the right support arm 2, the right ring sleeve 5 and the right drill bushing 6 are taken down from the right side of the guide pin, and the disassembly of the C-shaped guider is completed.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims (6)

1. A C-shaped guider for orthopedic surgery is characterized by comprising a semi-C-shaped left support arm and a semi-C-shaped right support arm which are spliced with each other, wherein a through threaded through hole is formed at the splicing position of the left support arm and the right support arm, and a handle is connected with the through threaded through hole of the left support arm and the right support arm in a threaded manner; the lower end of the left support arm is fixedly provided with a left drill bushing, the lower end of the right support arm is fixedly provided with a right ring sleeve, the right ring sleeve is in threaded connection with a right drill bushing, and one end, far away from the left drill bushing, of the right drill bushing is fixedly provided with a hexagon nut with a guide hole in the middle.

2. The C-shaped guider for orthopedic surgery as defined in claim 1, wherein the splicing part of said left and right arms is stepped, and the front end of the handle is fixedly installed with a screw rod matching with the threaded through hole.

3. The orthopedic C-shaped guide of claim 2, wherein the opposite sides of the left and right drill sleeves are serrated, and the side of the left drill sleeve away from the right drill sleeve is closed.

4. The C-shaped guider for orthopedic surgery as defined in claim 3, wherein eight saw teeth are uniformly distributed on the left drill sleeve and the right drill sleeve.

5. The C-shaped guider for orthopedic surgery of claim 1, wherein the diameter of the guide hole is 1-5 mm.

6. The orthopedic C-guide of claim 1, wherein said guide hole has a diameter of 3.5 mm.

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