CN215739418U - Tracker support and tracker - Google Patents
Tracker support and tracker Download PDFInfo
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- CN215739418U CN215739418U CN202121709874.6U CN202121709874U CN215739418U CN 215739418 U CN215739418 U CN 215739418U CN 202121709874 U CN202121709874 U CN 202121709874U CN 215739418 U CN215739418 U CN 215739418U
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- tracker
- bracket
- surgical tool
- ball mounting
- hole
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- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000001681 protective effect Effects 0.000 description 9
- 230000000399 orthopedic effect Effects 0.000 description 8
- 238000001356 surgical procedure Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The application relates to a tracker bracket and a tracker. The tracker mount includes: the bracket is provided with a plurality of reflecting ball mounting holes; the connecting column is arranged on the lower surface of the bracket; the connecting lug comprises a first end and a second end which are opposite, the first end of the connecting lug is connected with the connecting column, the second end of the connecting lug is used for abutting against an operation tool, and the tracker bracket is provided with a through hole used for being connected with the operation tool. The tracker support of this application is connected stably with the operation instrument, improves the operation success rate.
Description
Technical Field
The application relates to the field of medical equipment, in particular to a tracker bracket and a tracker.
Background
In the orthopedic surgery, a tracker is usually required to be installed on a surgical tool, and an orthopedic surgery navigation positioning system identifies the tracker to determine the spatial position of the surgical tool.
When the existing tracker is connected with an operation tool, the tracker is positioned through a semi-cylindrical surface. The positioning mode causes poor connection firmness of the tracker and the surgical tool due to small contact surface and uneven stress, and the tracker and the surgical tool are easy to micro-move and not easy to identify in the using process. The orthopedic surgery navigation positioning system has the problem that the positioning precision of the surgical tool is inaccurate.
SUMMERY OF THE UTILITY MODEL
Based on above-mentioned problem, this application provides a tracker support and tracker, and the tracker support is connected firmly with the operation instrument, improves the operation success rate.
One embodiment of the present application provides a tracker mount comprising: the bracket is provided with a plurality of reflecting ball mounting holes; the connecting column is arranged on the lower surface of the bracket; the connecting lug comprises a first end and a second end which are opposite, the first end of the connecting lug is connected with the connecting column, and the second end of the connecting lug is used for being abutted against the surgical tool; the tracker bracket is provided with a first through hole for connecting with a surgical tool.
According to some embodiments of the present application, the tracker bracket further includes a support post including a second through hole, the support post being connected with the connection post, the connection bump being located in the second through hole.
According to some embodiments of the present application, the second end of the connection protrusion is provided with a first inclined surface and a second inclined surface which are symmetrically arranged, and the closer to the end of the second end, the smaller the distance between the first inclined surface and the second inclined surface is.
According to some embodiments of the application, the second end of the connection lug is provided with a through slot extending from the first ramp to the second ramp.
According to some embodiments of the present application, an inner wall of the through groove of the connection boss is a cambered surface.
According to some embodiments of the present application, the bracket includes a plurality of branch struts extending in different directions from a center of the bracket, and the plurality of branch struts are each provided with a light reflecting ball mounting hole.
According to some embodiments of the present application, the upper surface of the branch rod is provided with a protective cover for protecting the reflective ball, and the protective cover is located outside the reflective ball mounting hole.
According to some embodiments of the present application, the shield may extend obliquely from the edge of the branch rod toward a direction away from the axis of the reflective ball mounting hole.
According to some embodiments of the present application, the branch bar is provided with lightening holes.
One embodiment of the present application provides a tracker comprising: a tracker mount as described above; and the plurality of reflective balls are respectively arranged in the corresponding reflective ball mounting holes.
The tracker support of this application has increased the area of contact of tracker support with surgical tools, is used for strengthening being connected of tracker support and surgical tools through installing the nail in the through-hole on the tracker support simultaneously, has improved the stability that the tracker support is connected with surgical tools, has avoided influencing orthopedics navigation positioning system's positioning accuracy because of connecting unstability, has improved the success rate of operation. The protective cover is arranged on the bracket, so that the reflective ball is prevented from being damaged.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on these drawings without exceeding the protection scope of the present application.
FIG. 1 is a first schematic view of an embodiment of a tracker support of the present application;
FIG. 2 is a second schematic view of an embodiment of a tracker mount of the present application;
FIG. 3 is a first schematic view of the connection tab of the tracker bracket of the present application;
FIG. 4 is a second view of the attachment tab of the tracker bracket of the present application;
FIG. 5 is a first schematic view of another embodiment of a tracker bracket of the present application;
FIG. 6 is a second schematic view of another embodiment of a tracker bracket of the present application;
FIG. 7 is a schematic view of the present application with a tracker frame coupled to a surgical tool.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, not all, of the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 and 2, the present embodiment provides a tracker bracket 100. The tracker bracket 100 includes a bracket 1, a connection post 2, and a connection projection 3. The bracket 1 is used for mounting the reflective ball, and the connecting projection 3 is used for connecting with a joint of a surgical tool.
Wherein, be equipped with a plurality of reflection of light ball mounting holes 11 on the bracket 1, install a reflection of light ball in every reflection of light ball mounting hole 11. The number and the positions of the reflective ball mounting holes 11 are set according to requirements. The orthopedic surgery navigation positioning system determines the spatial position of a surgical tool by identifying the positions of a plurality of light reflecting balls.
The connecting column 2 is arranged on the lower surface of the bracket 1. In this embodiment, the top surface of the connecting pole 2 is connected to the center of the bracket 1.
As shown in fig. 3 and 4, the connection projection 3 includes opposite first and second ends 3a and 3 b. The first end 3a of the connecting bump 3 is connected with the lower surface of the connecting column 2. The second end 3b of the connection lug 3 is intended to abut against a joint of a surgical tool.
The tracker bracket 100 is provided with a first through hole 5 for connection with a surgical tool. Alternatively, the first through hole 5 in the present embodiment is located at the center of the bracket 1, and the first through hole 5 penetrates the bracket 1, the connection post 2, and the connection projection 3. When the tracker support 100 is used, the second end 3b of the connecting convex block 3 is abutted to a joint of a surgical tool, and a screw penetrates through the first through hole 5 to be in threaded connection with the surgical tool, so that the tracker support 100 is fixedly connected with the surgical tool.
Optionally, the second end 3b of the connecting protrusion 3 is V-shaped, and specifically, the second end 3b of the connecting protrusion 3 is provided with a first inclined surface 31 and a second inclined surface 32 which are symmetrically arranged. The closer to the end of the second end 3b, the smaller the distance between the first slope 31 and the second slope 32, forming a V-shaped second end 3 b. The second end 3b of the connecting lug 3 is provided with a through slot 33, the through slot 33 extending from the first inclined surface 31 to the second inclined surface 32.
The second end 3b of the connecting lug 3 is used for connecting a joint of a surgical tool, a V-shaped groove corresponding to the shape of the second end 3b of the connecting lug 3 is arranged on the joint of the surgical tool, and the second end 3b of the connecting lug 3 is inserted into the V-shaped groove of the surgical tool. Compared with the traditional connection mode, the embodiment increases the contact area between the tracker support 100 and the surgical tool, improves the connection stability between the tracker support 100 and the surgical tool, avoids the influence on the positioning precision of the orthopedic navigation positioning system due to unstable connection, and improves the success rate of surgery.
As shown in fig. 5 and 6, the tracker bracket 100 further includes a support column 4, and the support column 4 includes a second through hole 41 extending in the axial direction of the support column 4. The top end of the supporting column 4 is connected with the lower surface of the connecting column 2, and the connecting bump 3 is positioned in the second through hole 41.
To illustrate the connection form of the tracker bracket 100 and the surgical tool 200, as shown in fig. 7, the joint of the surgical tool 200 is inserted into the second through hole 41 of the support column 4, and the second end 3b of the connection projection 3 is butted against the V-shaped groove 201 of the surgical tool 200. Optionally, the second through hole 41 is in interference fit with the joint of the surgical tool 200, so that the tracker support 100 and the surgical tool 200 do not move relatively during the surgical procedure. When it is desired to separate the tracker bracket 100 and the surgical tool 200, the surgeon may first unscrew the screw and then force the two apart.
In order to facilitate recognition of the installation direction of the tracker bracket 100, a positioning piece 42 is provided at the bottom of the support column 4, and a stepped surface corresponding to the positioning piece 42 is provided on the surgical tool 200. During assembly, the positioning plate 42 is tightly attached to the step surface, so that the installation direction of the tracker bracket 100 is prevented from being wrong. Other identifiers may be provided on the support column 4 as needed, and the shape, structure, and the like of the identifiers are not limited as long as the installation direction of the tracker bracket 100 is easily recognized by a doctor.
Optionally, in an embodiment of the present application, the inner wall of the through groove 33 of the connecting protrusion 3 is a cambered surface to match with the protrusion in the V-shaped groove 201 of the surgical tool 200, so as to further improve the stability of the connection between the tracker bracket 100 and the surgical tool 200.
Optionally, in an embodiment of the present application, the bracket 1 includes a plurality of branch bars 12, and the plurality of branch bars 12 extend from the center of the bracket 1 to different directions. The center of the bracket 1 in this embodiment is where a plurality of branch bars 12 are connected to each other. The extension direction and length of the different branch bars 12 can be set according to the requirement. Each branch strut 12 is provided with a reflective ball mounting hole 11. By supporting the corresponding reflective balls by the sub-rods 12, the weight of the bracket 1 can be reduced.
Optionally, in an embodiment of the present application, the upper surface of the plurality of branch bars 12 is provided with a protective cover 13. The protective cover 13 is located at the outer side of the corresponding reflective ball mounting hole 11. The protective cover 13 can protect the reflective ball.
Alternatively, in an embodiment of the present application, the protective cover 13 extends obliquely upward from the edge of the branch rod in a direction away from the axis of the reflective ball mounting hole 11. The height of the protective cover 13 gradually increases along with the distance from the center of the bracket 1, so that the protective cover 13 is prevented from shielding the reflective ball, and the identification of the orthopedic operation navigation positioning system on the reflective ball is influenced.
In order to further reduce the weight of the bracket 1, the present embodiment is provided with lightening holes 14 on each of the plurality of branch rods 12. The shape of the lightening holes 14 can be set according to the shape of the branch rods 12, and in the embodiment, the shape of the lightening holes 14 is oval.
The present embodiment provides a tracker, including: as described above, the tracker mount 100 and the plurality of reflective balls are respectively disposed in the corresponding reflective ball mounting holes 11.
The tracker bracket 100 is connected with the surgical tool 200 to be positioned, and the reflective ball on the tracker bracket 100 is identified through the orthopedic navigation positioning system so as to position the surgical tool 200.
The embodiments of the present application are described in detail above. The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the technical solutions and the core ideas of the present application. Therefore, the person skilled in the art should, according to the idea of the present application, change or modify the embodiments and applications of the present application based on the scope of protection of the present application. In view of the above, the description should not be taken as limiting the application.
Claims (10)
1. A tracker mount, comprising:
the bracket is provided with a plurality of reflecting ball mounting holes;
the connecting column is arranged on the lower surface of the bracket;
the connecting lug comprises a first end and a second end which are opposite, the first end of the connecting lug is connected with the connecting column, and the second end of the connecting lug is used for being abutted against a surgical tool;
the tracker bracket is provided with a first through hole for connecting with the surgical tool.
2. The tracker mount of claim 1 further comprising a support post, said support post including a second through hole, said support post being connected to said attachment post, said connection tab being located in said second through hole.
3. The tracker carriage according to claim 1 or 2, wherein said second end of said coupling projection is provided with a first inclined surface and a second inclined surface symmetrically arranged, the distance between said first inclined surface and said second inclined surface being smaller closer to the end of said second end.
4. The tracker carriage of claim 3, wherein said second end of said coupling lug defines a through slot extending from said first ramp to said second ramp.
5. The tracker mount of claim 4, wherein an inner wall of the through slot of said connection lug is a curved surface.
6. The tracker holder according to any one of claims 1 to 5, wherein said bracket includes a plurality of branch bars extending in different directions from a center of said bracket, and said reflection ball mounting hole is provided in each of said branch bars.
7. The tracker holder according to claim 6, wherein said branch bar is provided at an upper surface thereof with a shield for protecting the reflective ball, said shield being located outside said reflective ball mounting hole.
8. The tracker holder according to claim 7, wherein said shield is inclined to extend from an edge of said branch rod in a direction away from an axis of said reflective ball mounting hole.
9. The tracker carriage of claim 6 wherein said sub-beams have lightening holes.
10. A tracker, comprising:
the tracker mount of any one of claims 1 to 9;
and the plurality of light reflecting balls are respectively arranged in the corresponding light reflecting ball mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709874.6U CN215739418U (en) | 2021-07-26 | 2021-07-26 | Tracker support and tracker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709874.6U CN215739418U (en) | 2021-07-26 | 2021-07-26 | Tracker support and tracker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215739418U true CN215739418U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121709874.6U Active CN215739418U (en) | 2021-07-26 | 2021-07-26 | Tracker support and tracker |
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| CN (1) | CN215739418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732481A (en) * | 2022-02-23 | 2022-07-12 | 上海电气集团股份有限公司 | A straight osteotome for peri-acetabular osteotomy that can be identified with navigation |
-
2021
- 2021-07-26 CN CN202121709874.6U patent/CN215739418U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732481A (en) * | 2022-02-23 | 2022-07-12 | 上海电气集团股份有限公司 | A straight osteotome for peri-acetabular osteotomy that can be identified with navigation |
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