CN205054347U - Guiding orientation ware - Google Patents

Abstract

The utility model belongs to the technical field of medical instruments, in particular to a guide locator for bone tissue drilling in surgical operations, comprising a guide mechanism and a handle, the guide mechanism is hinged to the handle, and the guide mechanism is wound around the The handle is flipped over to adjust the angle, and is locked and fixed by a locking mechanism between the guide mechanism and the handle. The beneficial effects of the utility model are: simple structure, convenient connection and installation, convenient locking and fixing operation by adjusting the turning of the guiding mechanism at different angles, more suitable for the requirements of different operation angles in the operation process, flexible and convenient operation, and improving the accuracy of the operation Spend.

Description

a guide locator

technical field

The utility model belongs to the technical field of medical instruments, in particular to a guide and locator for bone tissue drilling in surgical operations.

Background technique

Drilling of bone tissue is often required in surgical operations. In order to drill a specific position, a guide locator is needed to assist in the drilling of bone tissue. The guide structure of the traditional guide locator is different from that of The handle is fixedly connected, and the angle cannot be adjusted. During the actual drilling operation, it cannot meet the requirements for the positioning of bone tissue drilling at different positions. When adjusting the guide angle, it needs to be adjusted together with the entire handle. Very inconvenient and low flexibility to use.

Utility model content

In view of the above-mentioned shortcomings of the prior art, the purpose of this utility model is to provide a guide and locator, which is used to solve the problems in the prior art such as difficulty in bone tissue positioning and drilling guide, inconvenient adjustment of guide positioning angle, etc.

In order to achieve the above purpose and other related purposes, the utility model provides a guide locator, including a guide mechanism and a handle, the guide mechanism is hinged with the handle, and the guide mechanism rotates around the handle to make an angle Adjust, and lock and fix through the locking mechanism between the guide mechanism and the handle.

The beneficial effects of the utility model are: simple structure, convenient connection and installation, convenient locking and fixing operation by adjusting the turning of the guiding mechanism at different angles, more suitable for the requirements of different operation angles in the operation process, flexible and convenient operation, and improving the accuracy of the operation Spend.

Further, the guide mechanism includes a jigsaw cover and a jigsaw base, the jigsaw sleeve is connected to one end of the jigsaw base, the other end of the jigsaw base is provided with a bump, and the bump is connected to the jigsaw base. Articulated handle.

Further, the protrusion is hinged to the handle through a shaft.

Further, the end surface of the jig set far away from the jig holder is serrated, and the end face of the jig set in contact with the bone tissue is serrated to prevent the jig set from sliding during the operation.

Further, the locking mechanism includes a lock nut and a washer, the lock nut is threaded on the shaft, the washer is fixed on the end of the shaft by screws, and the lock nut is screwed Out to the end of the shaft, the washer bears against the lock nut.

The beneficial effect of adopting the above-mentioned further scheme is that the connection and rotation are simple, and it is convenient to adjust the turning angle of the drill holder, which is beneficial to adapt to different operation angles, and the tightness and fixation of the drill holder is adjusted through the lock nut and the gasket, and the operation is simple. Adjustment is quick and easy.

Further, the protrusion is provided with an inner hole, and mounting seats are symmetrically provided on both sides of one end of the handle, the protrusion is located between the two mounting seats, and the shaft passes through the mounting seats The handle and the jig base are connected with the inner hole.

Further, a slot for adjusting the distance between the two mounting seats is provided along the length direction of the handle, and the end of the slot away from the mounting seat is a hole-like structure.

The beneficial effect of adopting the above further scheme is: the distance between the two mounting seats can be adjusted by adjusting the opening range of the slot, the adjustment is simple and convenient, and one end of the slot is set as a hole-like structure, which is conducive to adjusting the distance between the two mounting seats , At the same time, it can buffer when adjusting the distance between the mounting seats, reduce stress concentration, and avoid damage to the handle during bending transition.

Further, the cross-sectional shape of the inner hole is polygonal, and the cross-sectional shape of a section of the shaft fitted with the inner hole matches the cross-sectional shape of the inner hole.

Further, the inner hole is a spline hole, and a section of the shaft fitted with the inner hole is a spline shaft.

The beneficial effect of adopting the above further scheme is that it is beneficial to the installation and cooperation of the shaft and the jig holder, and avoids the relative rotation of the shaft and the jig holder when the jig holder is fixed, which is not conducive to locking and fixing.

Further, a plurality of grooves are provided on the end surface of the protrusion perpendicular to the axis of the inner hole, and at least one groove matching the shape of the groove is provided on the side opposite to the protrusion on the mounting base. raised.

The beneficial effect of adopting the above-mentioned further scheme is: during the rotation process of the drill base, through the cooperation of the protrusion and the groove, it is easier to align and position with the drill sleeve when adjusting the turning angle of the drill base, and at the same time adjust the angle The rear fixation is also more secure and less prone to slipping and detaching.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the utility model.

Fig. 2 is a top view of the utility model embodiment.

Fig. 3 is a sectional view of A-A in Fig. 2 of the present utility model.

Fig. 4 is a schematic structural view of the handle of the embodiment of the present invention.

Fig. 5 is an enlarged schematic diagram of part B in Fig. 4 of the utility model.

Fig. 6 is a schematic structural view of the drill base of the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of the shaft of the embodiment of the present invention.

Part number description:

1—drilling set;

2—Drilling mold base;

21—bump;

211—groove;

212—inner hole;

3—axis;

4—locking mechanism;

41—lock nut;

42—washer;

5—handle;

51—grooving;

52—mounting seat;

521—protrusion;

6—Screw.

detailed description

The implementation of the present utility model is illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the utility model Therefore, it has no technical substantive meaning. Any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of The technical content disclosed by the utility model must be within the scope covered. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable range of the utility model, and the change or adjustment of its relative relationship, without any substantial change in the technical content, shall also be regarded as the practicable scope of the utility model.

As shown in Figures 1 to 6, the guide locator of the present utility model includes a guide mechanism (not marked in the figure) and a handle 5, and the guide mechanism is used for soft bone extraction drills and other bone drilling tools during surgery. The guide parts can include the jig cover 1 and the jig holder 2, the jig cover 1 and the jig holder 2 can be integrally formed or fixedly welded, or the jig cover 1 can be installed to the jig holder 2 by detachable installation. in the mounting hole. A positioning through hole is provided on the drilling template cover 1, and the bone drill bit of the bone drilling tool can pass through the positioning through hole of the drilling template cover 1, and the position of the bone drill bit is changed by moving the position of the guiding locator. The end face of the jig set 1 in contact with the bone tissue is serrated, and the jagged structure design can prevent the jig set 1 from sliding during the operation and affect the operation. When the other end of the jig cover 1 is connected to one end of the jig holder 2, if it is connected by a detachable installation method, it can be connected together by threaded connection or embedded installation, and the connection method can be selected according to requirements. The other end of the jig base 2 is provided with a bump 21, which is hinged with the handle 5, and the bump 21 and the handle 5 can be selected to be hinged by the shaft 3, and the hinged shaft 3 can be used for easy assembly and stable turning. The projection 21 turns around the handle 5 for angle adjustment, and is locked and fixed by the locking mechanism 4 between the projection 21 and the handle 5 . As shown in Figure 3, the locking mechanism 4 includes a lock nut 41 and a washer 42. The lock nut 41 is threaded on the shaft 3, and the washer 42 is fixedly mounted on the end of the shaft 3 by a screw 6. When tightening the nut 41 , the washer 42 is against the locking nut 41 to prevent the locking nut 41 from being separated from the shaft 3 . The lock nut 41 is provided with a stepped surface inside. When installing the lock mechanism 4, first put the lock nut 41 on the shaft 3, and then fix the washer 42 on the end of the shaft 3 through the screw 6. When the lock nut 41 When the end face of the shaft 3 is loosely screwed out, the washer 42 blocks the step surface to prevent the locking nut 41 from breaking away from the shaft 3 .

As shown in Figures 1 to 6, an inner hole 212 is provided on the projection 21 on the drilling mold base 2, and the inner hole 212 can be a polygonal hole or a spline hole, and the section where the shaft 3 and the inner hole 212 are installed together adopts an inner hole 212. The hole 212 is shaped to match the polygonal or splined shaft. When the cross-sectional shape of the inner hole 212 is a polygon, the cross-sectional shape of a section of the shaft that is installed with the shaft 3 and the inner hole 212 is a polygon that matches the inner hole 212; when the inner hole 212 adopts a spline hole, the shaft 3 and the inner hole One section of 212 cooperating installation adopts spline shaft. The inner hole 212 adopts a polygonal hole or a spline hole to cooperate with the shaft 3 to prevent relative rotation between the shaft 3 and the inner hole 212 when the locking nut 41 is tightened, which is not conducive to the locking operation. Both sides of one end of the handle 5 are symmetrically provided with mounts 52, and the projection 21 is located between the two mounts 52. The shaft 3 passes through the mounts 52 and the inner hole 212 to connect the handle 5 and the jig base 2. As shown in Figure 4, a slot 51 for adjusting the distance between the two mounts 52 is provided along the length direction of the handle 5. The end of the slot 51 far away from the mount 52 is a hole-like structure, and one end of the slot 51 adopts The hole structure allows the slot 51 to be buffered when the slot 51 is opened and closed by an external force, reducing stress concentration and avoiding damage to its structure. The hole structure is preferably a circular hole structure. As shown in Figure 5, a plurality of grooves 211 are provided on the end surface of the protrusion 21 perpendicular to the axis of the inner hole 212, and at least one protrusion matching the shape of the groove 211 is provided on the side of the mounting seat 52 opposite to the protrusion 21. 521 , the groove 211 is fitted with the protrusion 521 during the rotation of the protrusion 21 around the shaft 3 . The number of grooves 211 provided on the end surface of the protrusion 2 and the inner surface of the mounting seat 52 can be set according to requirements, and the protrusion 2 can be provided with grooves 211 on one end surface or two end surfaces perpendicular to the axis of the inner hole 212 . Since the groove 211 and the protrusion 521 are provided to cooperate, the alignment and positioning of the protrusion 21 and the mounting seat 52 are more convenient and accurate during the process of rotating and adjusting the angle, and the protrusion 521 cooperates with the groove 211 so that the locking drill base 2 Not easy to loose after.

Its working process is: the jig set 1 and the jig base 2 are fixedly connected together, the shaft 3 passes through the mounting base 52 and the inner hole 212 to connect the jig base 2 and the handle 5, and when the jig set 1 needs to be adjusted When the angle is specified, the lock nut 41 is loosened so that the distance between the two mounting seats 52 increases, and the mold holder 2 is rotated to adjust the mold cover 1 to the required angle, the protrusion 521 is stuck in the groove 211, and the screw Tightening the locking nut 41 reduces the distance between the two mounting seats 52 , and the protrusion 21 is locked and fixed to complete the angle adjustment. After the angle is adjusted, put the jagged end face of the jig set 1 against the bone tissue that needs to be operated on, so that the positioning through hole on the jig set 1 is aligned with the drilling position of the bone tissue, and the bone of the bone surgery tool is drilled. The drill bit is extended from the positioning through hole to the drilling site for surgical drilling operation.

The utility model has the advantages of simple structure, convenient manufacture and installation, and can adjust the guide angle of the drilling mold cover 1 according to the requirement during the operation, which is simple and convenient to adjust, improves the flexibility of operation, and prevents the surgical drilling tool from being dislocated or sliding during the operation.

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, but are not intended to limit the present utility model. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims (10)

1. an orienting locator, it is characterized in that: comprise guiding mechanism and hands handle, described guiding mechanism and described hands are hinged, and described guiding mechanism carries out angle adjustment around described hands upset, and by described guiding mechanism and described hands between retaining mechanism be locked.

2. a kind of orienting locator according to claim 1, it is characterized in that: described guiding mechanism comprises drill jig sleeve and jig seat, one end of described drill jig sleeve is connected with one end of described jig seat, and the other end of described jig seat is provided with projection, and described projection and described hands are hinged.

3. a kind of orienting locator according to claim 2, is characterized in that: described projection and described hands are being undertaken hinged by axle.

4. a kind of orienting locator according to claim 2, is characterized in that: described drill jig sleeve is zigzag away from the end face of one end of described jig seat.

5. a kind of orienting locator according to claim 3, it is characterized in that: described retaining mechanism comprises locking nut and packing ring, described locking nut connects on the shaft through thread bush, described packing ring is fixedly mounted on the end of described axle by screw, when described locking nut screws out the end to described axle, described packing ring keeps out described locking nut.

6. a kind of orienting locator according to claim 3, it is characterized in that: described projection is provided with endoporus, described hands is arranged with mount pad on the both sides of one end, described projection is between two described mount pads, and described hands handle and described jig seat couple together through described mount pad and described endoporus by described axle.

7. a kind of orienting locator according to claim 6, is characterized in that: the length direction along described hands handle is provided with the fluting of the spacing for adjusting two mount pads, and described fluting is cavernous structure away from one end of described mount pad.

8. a kind of orienting locator according to claim 6, is characterized in that: the cross sectional shape of described endoporus is polygon, and the cross sectional shape of a section that described axle and described inner hole are installed and the cross sectional shape of described endoporus match.

9. a kind of orienting locator according to claim 6, is characterized in that: described endoporus is splined hole, and described axle and described inner hole one section of installing is splined shaft.

10. a kind of orienting locator according to claim 6, it is characterized in that: the end face of described projection and described endoporus axes normal is provided with multiple groove, side relative with described projection on described mount pad is provided with the projection that at least one and described groove shapes match.