CN220524831U - Auxiliary tool for measuring accuracy of surgical accessories - Google Patents

Abstract

The utility model provides a tool for assisting in measuring the precision of an operation accessory, which comprises a base, wherein at least one first assembling groove is formed in the base, and when the operation accessory is a tracking unit, the first assembling groove is used for assembling the tracking unit; the upper surface of base is equipped with a plurality of mounting holes that are regular arrangement, the frock of supplementary measurement operation annex precision still includes six piece at least stands, and every stand can assemble in selected mounting hole department, and the upper surface of stand is equipped with first recess, and optical locating ball can assemble in first recess department, has still seted up the second recess downwards in first recess's lower extreme department, and the size of the pointed end of tracking probe is adapted to the size of second recess, and the second recess is used for when the operation annex is the measurement of precision for the condition of tracking probe, makes the pointed end of tracking probe place in the second recess. The tool can provide accurate and stable position information when measuring the precision of the surgical accessory, provides a more definite moving path, and ensures the rapidness of precision measurement and the accuracy of data.

Description

Auxiliary tool for measuring accuracy of surgical accessories

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a tool for assisting in measuring the precision of surgical accessories.

Background

The surgical accessories used with the electromagnetic navigation system need to be accurately detected before leaving the factory, such as a tracking probe, a tracking unit (for example, a position reading device used with the electromagnetic navigation system as disclosed in chinese patent CN 202022700723.6), and the like, as shown in fig. 1-2.

The existing method for detecting the precision of the surgical accessory is to move the handheld surgical accessory in the magnetic field range, detect the magnetic field coordinates of the surgical accessory after each movement, and then calculate the precision of the surgical accessory, but the detection method has the problems that the moving distance of the surgical accessory is inaccurate and the surgical accessory is easy to shake, so that the precision measurement error is large, and therefore, a tool for assisting in measuring the precision of the surgical accessory is needed.

Disclosure of Invention

In order to solve the problems in the prior art, the application provides a tool for assisting in measuring the precision of a surgical accessory, which is matched with an electromagnetic navigation system to provide accurate and stable position information when the precision of the surgical accessory is measured, and meanwhile, a more definite moving path is provided, so that the accuracy of precision measurement and the accuracy of data are ensured.

In order to achieve the above object, the present application proposes a tool for assisting in measuring accuracy of a surgical accessory, comprising a base, wherein at least one first assembling groove is provided on the base, and the first assembling groove is used for assembling a tracking unit when the surgical accessory is the tracking unit; the tool for assisting in measuring the precision of the surgical accessory comprises a base, wherein the upper surface of the base is provided with a plurality of assembling holes which are regularly arranged, the tool for assisting in measuring the precision of the surgical accessory further comprises at least six stand columns, each stand column can be assembled at a selected assembling hole, the upper surface of each stand column is provided with a first groove, an optical positioning ball can be assembled at the first groove, the bottommost end of the first groove is further provided with a second groove downwards, the size of the second groove is matched with the size of the tip of the tracking probe, and when the second groove is used for measuring the precision of the surgical accessory, the tip of the tracking probe is arranged in the second groove.

In some embodiments, the tracking unit is fixed at the first fitting groove by a cover bolt when the first fitting groove is provided at a side surface of the base.

In some embodiments, a plurality of assembly holes are arranged on the upper surface of the base in an array mode, and the assembly holes adopt threaded holes.

In some embodiments, the first recess is a hemispherical recess and the second recess is a hemispherical recess.

In some embodiments, the structure of the post is as follows: the connecting part is matched with the assembly hole to fix the upright post at the assembly hole; the first groove is formed in the upper surface of the cuboid portion.

In some embodiments, the heights of the individual posts are different.

In some embodiments, a second assembly groove and a wiring groove communicated with the second assembly groove are further arranged at the center position of the upper surface of the base, the wiring groove extends to the edge of the upper surface of the base, the second assembly groove is used for assembling a tracking unit, and cables in the tracking unit are led out through the wiring groove.

The beneficial effect of this scheme of this application lies in above-mentioned frock of auxiliary measurement operation annex precision, uses with electromagnetic navigation cooperation, simple structure, easy and simple to handle, installs and removes the convenience, can provide accurate, stable positional information when measuring operation annex precision, provides more clear and definite moving path simultaneously to guarantee precision measurement's swiftly and the accuracy of data.

Drawings

Fig. 1 shows a schematic diagram of the structure of a tracking probe in the prior art.

Fig. 2 shows a schematic diagram of the structure of a tracking unit according to the prior art.

Fig. 3 shows a schematic structural diagram of a tool for assisting in measuring the accuracy of a surgical accessory in an embodiment.

Fig. 4 shows a schematic diagram of an exploded structure of a tool for assisting in measuring the accuracy of a surgical accessory when an optical locating ball is not installed in an embodiment.

Fig. 5 shows a schematic structural view of the column in the embodiment.

Fig. 6 shows a schematic cross-sectional view of the partial structure of fig. 5.

Reference numerals: the device comprises an A-tracking probe, a B-tracking unit, a 1-base, a 2-assembly hole, a 3-upright post, a 301-cuboid part, a 302-cylinder part, a 303-connecting part, a 304-first groove, a 305-second groove, a 4-optical positioning ball, a 5-first assembly groove, a 6-cover plate bolt, a 7-second assembly groove and an 8-wiring groove.

Detailed Description

The following describes the embodiments of the present application further with reference to the accompanying drawings.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order, and that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," etc. indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

As shown in fig. 3 to 6, the tool for assisting in measuring the precision of a surgical accessory according to the present application includes a base 1, in this embodiment, the base 1 is in a cuboid shape, at least one first assembly groove 5 is provided on the base 1, when the precision of the surgical accessory is measured as a tracking unit B, the first assembly groove 5 is used for assembling the tracking unit B, and when the first assembly groove 5 is provided on a side surface of the base 1, the tracking unit B is fixed at the first assembly groove 5 by a cover bolt 6. Specifically, a screw hole matched with the cover plate bolt 6 is formed in the base 1, the screw hole is communicated with the first assembly groove 5, and the tail end of the cover plate bolt 6 can enter the first assembly groove 5 through the screw hole until the tracking unit B is fixed. In this embodiment, first assembly grooves 5 are respectively formed at two ends of the front surface of the base 1, first assembly grooves 5 are respectively formed at two ends of the rear surface of the base 1, and cover plate bolts 6 matched with each other are arranged at each first assembly groove 5. When the surgical accessory is a tracking unit B, the base 1 and the first assembly groove 5, or the base 1, the first assembly groove 5 and the cover plate bolt 6 are adopted to carry out auxiliary measurement of the accuracy of the tracking unit B.

The upper surface of the base 1 is provided with a plurality of assembling holes 2 which are regularly arranged (for example, in an array mode), the assembling holes 2 are concretely provided with threaded holes, the tool for assisting in measuring the precision of the surgical accessory further comprises at least six upright posts 3, each upright post 3 can be assembled at the selected assembling hole 2 (the distribution position of each upright post is determined according to the actual requirement), the upper surface of each upright post 3 is provided with a first groove 304, the first groove 304 is concretely provided with a hemispherical groove, the optical positioning ball 4 can be assembled at the first groove 304, the lowest end of the first groove 304 is also provided with a second groove 305 downwards, the second groove 305 can be provided with a hemispherical groove, the diameter of the second groove 305 is adapted to the size of the tip of the tracking probe A, for example, the diameter of the second groove 305 is 0.5 mm-1.5 mm, and when the second groove 305 is used for measuring the precision of the surgical accessory which is the tracking probe A, the tip of the tracking probe A is placed in the second groove 305, so as to ensure the accuracy of the measuring position as much as possible. When the surgical accessory is a tracking probe A, the base 1, the assembly hole 2, the upright post 3 and the optical positioning ball 4 are adopted to carry out auxiliary measurement of the precision of the tracking probe A.

In this embodiment, the structure of the upright 3 is as follows: the connecting part 303 is matched with the assembly hole 2 to fix the upright post 3 at the assembly hole 2, and in the embodiment, the connecting part 303 is provided with external threads and is matched with the assembly hole 2. A first groove 304 is formed in the upper surface of the rectangular parallelepiped 301, the optical positioning ball 4 can be assembled in the first groove 304, and a second groove 305 is formed at the lowest end of the first groove 304.

The upright post 3 that this application relates to designs the upper end into the cuboid shape, can guarantee to provide better frictional force at the in-process that upright post 3 assembled to mounting hole 2, makes the assembly process easier, and the clear structure of cuboid edges and corners can guarantee under electromagnetic navigation system as far as possible simultaneously, when wanting to realize the registration function, has more clear registration point to select, guarantees the accuracy of registering as far as possible.

The heights of the upright posts 3 are different, and the design is to enable the optical positioning balls 4 not to be in the same plane as much as possible in the process of measuring the precision of the tracking probe A, so that the optical coordinates of the optical positioning balls 4 can be accurately obtained when the optical coordinates of the optical positioning balls 4 are measured by optical displacement measurement, and the measurement accuracy of the precision of the tracking probe A is improved. Through at least six stand columns 3 with different heights, a plurality of moving paths can be matched in the process of measuring the precision of the tracking probe A, so that a plurality of possibilities are provided when the precision of the tracking probe A is measured, and the measuring accuracy is ensured as much as possible.

Under an electromagnetic navigation system, when the registration function is required to be realized, a base 1, an assembly hole 2, an upright post 3, an optical positioning ball 4 and a first assembly groove 5 are required to be adopted; or, a base 1, an assembly hole 2, a column 3, an optical positioning ball 4, a first assembly groove 5 and a cover plate bolt 6 are adopted.

In order to make the registration more accurate, the central position department of base 1 upper surface still be equipped with second assembly groove 7 and with the wiring groove 8 that second assembly groove 7 is linked together, wiring groove 8 extends to the edge of base 1 upper surface, second assembly groove 7 is used for assembling tracking unit B, the cable in the tracking unit B is passed through wiring groove 8 draws forth, in order to realize the registration function this moment, adopts base 1, mounting hole 2, stand 3, optical locating ball 4 and second assembly groove 7. The cylindrical portion 302 of the column 3 according to the present utility model is designed to ensure that the column 3 is not interfered with the tracking unit B in the second fitting groove 7 when the column 3 is fixed near the second fitting groove 7 on the upper surface of the base 1.

The tool for assisting in measuring the precision of the surgical accessory is matched with an electromagnetic navigation system, is simple in structure, convenient to operate and convenient to assemble and disassemble, can provide accurate and stable position information when measuring the precision of the surgical accessory, and simultaneously provides a more definite moving path, so that the accuracy of precision measurement and the accuracy of data are guaranteed.

The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, within the scope of the present application, should make equivalent substitutions or modifications according to the technical solution and the concept of the present application, and should be covered by the scope of the present application.

Claims (7)

1. The utility model provides an auxiliary measurement operation annex precision's frock which characterized in that: the surgical accessory comprises a base, wherein at least one first assembling groove is formed in the base, and the first assembling groove is used for assembling a tracking unit when the surgical accessory is the tracking unit; the tool for assisting in measuring the precision of the surgical accessory comprises a base, wherein the upper surface of the base is provided with a plurality of assembling holes which are regularly arranged, the tool for assisting in measuring the precision of the surgical accessory further comprises at least six stand columns, each stand column can be assembled at a selected assembling hole, the upper surface of each stand column is provided with a first groove, an optical positioning ball can be assembled at the first groove, the bottommost end of the first groove is further provided with a second groove downwards, the size of the second groove is matched with the size of the tip of the tracking probe, and when the second groove is used for measuring the precision of the surgical accessory, the tip of the tracking probe is arranged in the second groove.

2. The tool for assisting in measuring the precision of a surgical attachment according to claim 1, wherein: when the first fitting groove is provided at the side surface of the base, the tracking unit is fixed at the first fitting groove by a cover bolt.

3. The tool for assisting in measuring the precision of a surgical attachment according to claim 1, wherein: the upper surface of the base is provided with a plurality of assembly holes which are arranged in an array mode, and the assembly holes adopt threaded holes.

4. The tool for assisting in measuring the precision of a surgical attachment according to claim 1, wherein: the first groove adopts a hemispherical groove, and the second groove adopts a hemispherical groove.

5. The tool for assisting in measuring the precision of a surgical attachment according to claim 1, wherein: the structure of the upright post is as follows: the connecting part is matched with the assembly hole to fix the upright post at the assembly hole; the first groove is formed in the upper surface of the cuboid portion.

6. The tool for assisting in measuring the precision of a surgical accessory according to claim 1 or 5, wherein: the heights of the upright posts are different.

7. The tool for assisting in measuring the precision of a surgical attachment according to claim 1, wherein: the central position of the upper surface of the base is also provided with a second assembly groove and a wiring groove communicated with the second assembly groove, the wiring groove extends to the edge of the upper surface of the base, the second assembly groove is used for assembling a tracking unit, and a cable in the tracking unit is led out through the wiring groove.