CN214907973U - Orthopedics operation passageway sighting device - Google Patents

Abstract

The utility model discloses an orthopedic operation channel aiming device, which comprises a bracket, wherein one end of the bracket is provided with at least two positioning through holes which are arranged in the same direction, and detachable Kirschner wires are arranged in the positioning through holes; the other end sliding connection of support has the leading truck, be equipped with the direction through-hole that at least three syntropy set up on the leading truck, the direction through-hole is used for pegging graft kirschner wire. Compared with the prior art, the positioning of the support is realized through the kirschner wire in the positioning through hole by the scheme, so that the bone of the patient can be driven into at a determined angle under the guiding of the guiding through hole to realize supporting and fixing, the technical requirements and physical requirements of the operator are greatly reduced, and the support has better practicability.

Description

Orthopedics operation passageway sighting device

Technical Field

The utility model relates to the technical field of orthopedic medical equipment, in particular to an orthopedic operation channel aiming device.

Background

Fracture is a common accidental injury in real life, and may occur in various age stages. Currently, the method for realizing fixation by penetrating a kirschner wire into bones is a commonly adopted treatment mode.

In operation, a plurality of kirschner wires are generally required to be driven into the bone at a specific angle so as to realize the supporting and fixing of the fracture part. However, in the process of drilling the kirschner wires into the bone by holding a heavy electric drill by an operator, it is difficult to ensure that all the kirschner wires are kept in the optimal angle range, if the kirschner wires are deviated, the rehabilitation effect is influenced if the kirschner wires are light, and if the kirschner wires are heavy, the kirschner wires need to be driven again after being pulled out. The multiple needle threading can cause the loosening of the kirschner wire, the local osteonecrosis and the bone absorption, has high probability of the iatrogenic injury of soft tissues, unstable fracture fixation and other consequences, and increases the damage of the X-ray to the bodies of the doctor and the patient due to the repeated fluoroscopy in the operation, so the traditional kirschner wire implantation operation has higher requirements on the technology and physical ability of the operator.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: provides an orthopedic operation channel aiming device which is convenient for an operator to use when implanting a kirschner wire and enables a plurality of kirschner wires to be driven into the bone of a patient at a better angle.

The technical scheme of the utility model is that: the orthopedic operation channel aiming device comprises a bracket, wherein one end of the bracket is provided with at least two positioning through holes which are arranged in the same direction, and detachable Kirschner wires are arranged in the positioning through holes; the other end sliding connection of support has the leading truck, be equipped with the direction through-hole that at least three syntropy set up on the leading truck, the direction through-hole is used for pegging graft kirschner wire.

When in use, the positioning through hole of the bracket is firstly moved to the position above the bone of a patient, and the guide through hole on the guide frame is moved to the position of the fracture of the patient; then at least two Kirschner wires respectively penetrate through the two positioning through holes and are driven into the bone, so that the support is fixed relative to a patient; finally, the other Kirschner wire is driven into the corresponding fracture position through the guide of the guide through hole on the guide frame, so that the support and fixation of the bone of the patient can be realized. Compared with the prior art, the positioning of the support is realized through the kirschner wire in the positioning through hole by the scheme, so that the bone of the patient can be driven into at a determined angle under the guiding of the guiding through hole to realize supporting and fixing, the technical requirements and physical requirements of the operator are greatly reduced, and the support has better practicability.

Preferably, the number of the guide through holes is five, three of the guide through holes are arranged in the middle of the guide frame in a triangular shape, and the other two guide through holes are respectively positioned on the left side and the right side of the three guide through holes. The operator can freely select whether to insert the kirschner wires into the three guide through holes in the middle or the three guide through holes on the left side/the right side according to the fracture position, so that the operator can be better adapted to the affected part.

Preferably, the axes of the guide through holes are all arranged in parallel, so that the kirschner wires inserted into the bone through the guide through holes are ensured to be parallel to each other.

Preferably, the support includes the horizontal pole, positioning hole is in along vertical setting the one end of horizontal pole, the other end of horizontal pole is connected with the montant, the leading truck along horizontal sliding connection in the lower extreme of montant to make the ke shi needle in the positioning hole and the ke shi needle in the leading hole can form the contained angle, thereby fix a position and fix patient's bone better.

Preferably, the bottom of montant is equipped with the orientation the guide hole that positioning hole's below set up, be equipped with the guide bar on the leading truck, guide bar sliding connection in the guide hole guarantees that the leading truck can slide more steadily relative to the support.

Preferably, the middle part of the cross rod is provided with a telescopic sliding part; the middle part of montant is equipped with the telescopic portion of sliding to make horizontal pole and montant all adjustable length, be convenient for adapt to different affected parts.

Preferably, the cross rod is further provided with a pin hole communicated to the hole wall of the positioning through hole, and a positioning pin is arranged in the pin hole, so that the kirschner wire in the positioning through hole can be more effectively fixed.

Preferably, the guide frame is cylindrical so that the sharp projection causes secondary injury to the patient.

Drawings

Fig. 1 is an axial view of an orthopedic operation passage aiming device according to the present invention;

fig. 2 is a schematic front view of an orthopedic operation passage aiming device according to the present invention;

fig. 3 is a right-side view schematically illustrating an orthopedic operation passage aiming device according to the present invention;

fig. 4 is a right-view schematic diagram of the orthopedic operation passage aiming device of the present invention after hiding the guide frame;

in the drawings: 1-a scaffold; 1.1-cross bar; 1.2-vertical bar; 1.3-a glide part; 1.4-guide holes; 1.5-pin hole; 2-positioning the through hole; 2.1-kirschner wire; 3-a guide frame; 3.1-guiding through holes; 3.2-guide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an orthopedic operation passage aiming device provided in an embodiment of the present invention includes a bracket 1, at least two positioning through holes 2 arranged in the same direction are provided at one end of the bracket 1, and detachable kirschner wires 2.1 are provided in the positioning through holes 2; the other end sliding connection of support 1 has leading truck 3, is equipped with at least three syntropy setting's direction through-hole 3.1 on the leading truck 3, and direction through-hole 3.1 is used for pegging graft ke shi needle 2.1.

When in use, the positioning through hole 2 of the bracket 1 is firstly moved to the position above the bone of a patient, and the guide through hole 3.1 on the guide frame 3 is moved to the position of the fracture of the patient; then at least two Kirschner wires 2.1 respectively penetrate through the two positioning through holes 2 and are driven into the bone, so that the support 1 is fixed relative to a patient; finally, at least three other kirschner wires 2.1 are driven into corresponding fracture positions through the guide of the guide through holes 3.1 on the guide frame 3, and the supporting and fixing of the patient bone can be realized. It should be noted that the at least three guiding through holes 3.1 are provided because the fixing effect on the patient's bone is better when the kirschner wires 2.1 form a triangular arrangement, and the actual number of the guiding through holes 3.1 can be increased or decreased as required.

In addition, the two positioning through holes 2 are arranged in the same direction, which means that the two positioning through holes 2 are approximately in the same direction, for example, both are downward, but the two positioning through holes 2 may be parallel to each other, and a certain deviation angle is allowed; the same applies to the arrangement of the guide through holes 3.1 in the same direction.

In this embodiment, support 1 includes horizontal pole 1.1 and montant 1.2, two positioning hole 2 are along vertical setting at the left end of horizontal pole 1.1, the right-hand member end of horizontal pole 1.1 is connected to montant 1.2's upper end, horizontal sliding connection in montant 1.2's lower extreme is followed to leading truck 3, thereby make 2 Kirschner wire 2.1 in the positioning hole and the Kirschner wire 2.1 in the guiding hole 3.1 can form the contained angle, thereby fix a position and fix patient's bone better.

As an optimization of the above embodiment, the middle part of the cross rod 1.1 is provided with a telescopic sliding part 1.3; the middle part of montant 1.2 is equipped with telescopic portion of sliding 1.3 to make horizontal pole 1.1 and montant 1.2 all adjustable length, be convenient for adapt to different affected parts. Specifically, the left side of the middle part of the cross rod 1.1 is provided with a sliding groove arranged along the long edge direction, and the right side of the middle part of the cross rod 1.1 is inserted in the sliding groove in a sliding manner, so that the total length of the cross rod 1.1 can be freely stretched; in a similar way, the upper side at the middle part of the vertical rod 1.2 is provided with a sliding groove arranged along the long edge direction, and the lower side at the middle part of the vertical rod 1.2 is inserted into the sliding groove in a sliding manner, so that the total length of the vertical rod 1.2 can be freely stretched. In addition, the flexible length of horizontal pole 1.1 and montant 1.2 can be decided by the frictional force in the spout, also can set up the holding hole at the cell wall of spout, decides through the holding screw of pegging graft in the holding hole. Of course, the sliding parts 1.3 of the cross bar 1.1 and the vertical bar 1.2 may be other structures, such as sliding sleeve, sliding bearing connection.

The left end of the cross rod 1.1 can also be provided with a pin hole 1.5, and the pin hole 1.5 is communicated with the hole wall of the positioning through hole 2. A positioning pin (not shown in the figure) is arranged in the pin hole 1.5, so that the kirschner wire 2.1 in the positioning through hole 2 can be more effectively fixed. Of course, it is also possible to provide a thread in the positioning through hole 2, so that the kirschner wire 2.1 can be detachably connected in the positioning through hole 2.

The bottom of montant 1.2 is equipped with two guide holes 1.4 that set up towards the below of positioning hole 2, is equipped with guide bar 3.2 on the leading truck 3, and guide bar 3.2 sliding connection is in guide hole 1.4 to guarantee that leading truck 3 can slide more steadily relative support 1.

As shown in fig. 3, in the present embodiment, there are five guide through holes 3.1, three of the guide through holes 3.1 are arranged in the middle of the guide frame 3 in a triangular shape, and the other two guide through holes 3.1 are respectively located at the left and right sides of the three guide through holes 3.1. Preferably, the distances between adjacent guide through holes 3.1 are equal, so that five guide through holes 3.1 form three equilateral triangles. The operator can freely select whether to insert the kirschner wire 2.1 into the three guide through holes 3.1 at the middle part or to insert the kirschner wire 2.1 into the three guide through holes 3.1 at the left/right side according to the fracture position, thereby being better adapted to the affected part.

Preferably, the axes of the guide through holes 3.1 are all arranged in parallel, so that the kirschner wires 2.1 inserted into the bone through the guide through holes 3.1 are ensured to be parallel to each other, and a better supporting and fixing effect is achieved.

Furthermore, the guide frame 3 is preferably cylindrical, so that the sharp protrusions cause secondary injuries to the patient. The middle part of the guide frame 3 can be hollowed out to reduce the weight.

Compared with the prior art, above-mentioned scheme realizes the location to support 1 through the ke shi needle 2.1 in the positioning hole 2 to make all the other ke shi needles 2.1 can squeeze into patient's bone with definite angle under the guide of guiding hole 3.1 and realize supporting fixedly, greatly reduced to executing art person's technical requirement and physical stamina requirement, possess better practicality.

The present invention has been described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (8)

1. The orthopedic operation channel aiming device is characterized by comprising a support (1), wherein one end of the support (1) is provided with at least two positioning through holes (2) which are arranged in the same direction, and detachable Kirschner wires (2.1) are arranged in the positioning through holes (2); the other end sliding connection of support (1) has leading truck (3), be equipped with at least three syntropy setting's direction through-hole (3.1) on leading truck (3), direction through-hole (3.1) are used for pegging graft kirschner wire (2.1).

2. An orthopedic operation channel aiming device according to claim 1, characterized in that the number of guide through holes (3.1) is five, three of the guide through holes (3.1) are arranged in the middle of the guide frame (3) in a triangular shape, and the other two guide through holes (3.1) are respectively located at the left and right sides of the three guide through holes (3.1).

3. An orthopedic working channel aiming device according to claim 2, characterized in that the axes of the guide through holes (3.1) are all arranged in parallel.

4. An orthopedic operation channel aiming device according to any one of claims 1-3, characterized in that the support (1) comprises a cross bar (1.1), the positioning through hole (2) is vertically arranged at one end of the cross bar (1.1), the other end of the cross bar (1.1) is connected with a vertical bar (1.2), and the guide frame (3) is transversely slidably connected with the lower end of the vertical bar (1.2).

5. An orthopedic operation channel aiming device according to claim 4, characterized in that the bottom end of the vertical rod (1.2) is provided with a guide hole (1.4) arranged towards the lower part of the positioning through hole (2), the guide frame (3) is provided with a guide rod (3.2), and the guide rod (3.2) is slidably connected with the guide hole (1.4).

6. An orthopedic operation channel aiming device according to claim 4, characterized in that the middle of the cross bar (1.1) is provided with a telescopic sliding part (1.3); the middle part of the vertical rod (1.2) is provided with a telescopic sliding part (1.3).

7. The aiming device for the orthopedic operation channel is characterized in that the cross rod (1.1) is further provided with a pin hole (1.5), the pin hole (1.5) is communicated to the hole wall of the positioning through hole (2), and a positioning pin is arranged in the pin hole (1.5).

8. An orthopedic procedure channel aiming device according to claim 4, characterized in that the guiding frame (3) is cylindrical.

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