Optical tracking tool for surgical puncture needle

Abstract

The utility model discloses an optical tracking tool for a surgical puncture needle, which comprises a puncture needle body, a needle holder, a needle holder and a needle holder. The structural module comprises a rigid body, the rigid body comprises a connecting piece, a structural piece and a medium channel, and the connecting piece is connected with the connecting end; the positioning module comprises a space positioning piece and a supporting piece, and the supporting piece is connected to the same side face of the rigid body. According to the utility model, the cost of designing and producing a plurality of integrated puncture needles is reduced, the possibility that the interior of the puncture needle can be cleaned is provided when the puncture needle is detached, and the effects of reducing the occupied space of the puncture needle and reducing the weight of the puncture needle are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to surgical puncture needle field especially a kind of optical tracking tool of surgical puncture needle. BACKGROUND

[0002] The utility model is mainly directed to the problem that the direction of puncture needle and the spatial position of needle tip cannot be tracked, and realizes the real-time tracking of the direction of puncture needle and the position of needle tip by installing trackable tool.

[0003] With the continuous development and progress of medical imaging technology, doctors can obtain more detailed and clear patient anatomical structure information, and these images provide accurate navigation targets and reliable basis for puncture surgery navigation positioning system. At present, the position of implementing tissue biopsy or minimally invasive treatment through percutaneous puncture technology in clinical work is increasingly important. Precise positioning and puncture are the key to ensure diagnosis and treatment effect and avoid complications. The existing puncture needle tracking tools are mostly integrated with puncture needle, which can realize tracking, but the cost is high. There is lack of technology with convenient installation and disassembly and low processing cost, and the puncture needle that can realize precise positioning function cannot be realized, which is the main problem of the prior art.

[0004] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present utility model and should not be regarded as an acknowledgment or any form of suggestion that this information forms prior art that is publicly known. SUMMARY

[0005] The utility model aims at providing a kind of x, can solve the problem existing in the background art.

[0006] To achieve the above object, the utility model provides a kind of optical tracking tool of surgical puncture needle, it is characterized by including: puncture needle body, the puncture needle body includes sharp end and connecting end;Structure module, the structure module includes rigid body, the rigid body includes connecting piece, structural member and medium channel, the connecting piece is connected with the connecting end;Positioning module, the positioning module includes spatial positioning piece and support, the support is connected on the same side of the rigid body.

[0007] In one or more embodiments, the optical tracking tool of surgical puncture needle further includes tracking module, and the tracking module includes camera piece and analysis piece.

[0008] In one or more embodiments, the puncture needle body is hollow structure, and the hollow position is injection channel, the sharp end is used to be stabbed into surgical patient body to carry out operation, and the connecting end is used to be fixed with the connecting piece.

[0009] In one or more embodiments, the optical tracking tool of the surgical puncture needle further comprises a locking nut, and the injection channel and the rigid body are linked by the locking nut.

[0010] In one or more embodiments, the structure is a bifurcated structure, and the structure comprises branches and a core, the branches are long strip structures, and a plurality of the branches are arranged in multiple directions of the core.

[0011] In one or more embodiments, the core further comprises a through hole, and the through hole penetrates two opposite surfaces of the core.

[0012] In one or more embodiments, the medium channel is arranged inside the connecting piece, one end of the medium channel is located at the interface between the connecting piece and the connecting end, and the other end penetrates the inside of the connecting piece and is arranged on the inner wall of the through hole, wherein the medium refers to a fluid flowing through the puncture needle body during the operation and playing a therapeutic role.

[0013] In one or more embodiments, the through hole is used for the medium to flow through.

[0014] In one or more embodiments, the spatial positioning piece is a reflective marker ball, the support piece is a stick structure, one end of the support piece is connected with the reflective marker ball, and the other end is connected with the farthest end of the branch from the core.

[0015] In one or more embodiments, the camera is a camera, and the analysis piece is a processor, the camera is used to capture the arrangement mode of the reflective marker ball, and the analysis piece is used to further determine the spatial position of the sharp end.

[0016] Compared with the prior art, the multiple technical solutions and embodiments provided by the utility model have at least the following technical effects or advantages:

[0017] By arranging the detachable puncture needle, the cost of designing and producing multiple integrated puncture needles is reduced; by intelligently arranging the segmented medium channel, the possibility of cleaning the inside of the puncture needle when the puncture needle is disassembled is provided; the through hole is arranged for the medium to pass through, the space occupied by the puncture needle is reduced, the weight of the puncture needle is reduced, and the operation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, and the schematic embodiments of the present application and the description thereof are used to explain the present application, can be considered as a combination result of the preferred embodiments, and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1The utility model provides a kind of optical tracking tool of surgical puncture needle overall structure schematic diagram.

[0020] The reference signs in the drawing represent: 1-puncture needle body, 21-connector, 221-core, 2211-through hole, 222-branch, 3-lock nut, 41-space positioning element, 42-supporting element. DETAILED DESCRIPTION

[0021] Unless otherwise specifically indicated, throughout the specification and claims, the term "comprising" or variations such as "comprise" or "comprises" or "including" or "includes" or "contain" or "contains" or "characterized by" to be construed as including a stated element or step but not excluding others.

[0022] The utility model aims at providing a kind of optical tracking tool of surgical puncture needle, realize the cost of reducing the design and the production multiple integrated puncture needle, and provide the possibility of being able to clean its inside when disassembling puncture needle, reduce the effect of puncture needle space occupation, reduce puncture needle.

[0023] Embodiment one:

[0024] The utility model provides a kind of optical tracking tool of surgical puncture needle, it is characterized in that, including: puncture needle body 1, the puncture needle body 1 includes sharp end and connecting end;Structure module, the structure module includes rigid body, the rigid body includes connector 21, structural element and medium channel, the connector 21 is connected with the connecting end;Positioning module, the positioning module includes space positioning element 41 and supporting element 42, the supporting element 42 is connected in the rigid body same side surface.It is preferably that the optical tracking tool of the kind of surgical puncture needle further include tracking module, the tracking module includes camera piece and analysis element.

[0025] Specifically, in order to solve the problem that the integrated surgical puncture needle is high in cost and cannot balance the precise positioning function, the puncture needle body 1 and the fixing module are separated, the puncture needle can be replaced arbitrarily, the cost of designing and producing multiple integrated puncture needles is reduced, and the possibility of cleaning the inside of the puncture needle is provided when the puncture needle is disassembled. Specifically, the puncture needle body 1 is connected with one end of the medium channel, a pipeline conveying liquid is connected with the other end of the medium channel to realize modularization and disassembly of the structure; the positioning module is provided as multiple, when the optical tracking tool of the surgical puncture needle is connected, the positions of multiple positioning modules are identified by the tracking module, the three-dimensional spatial positions of the positioning modules are analyzed in the analysis element, and the position of the sharp end of the puncture needle body 1 is calculated according to the spatial relative positions of the positioning modules and the puncture needle body 1, so as to further regulate and control the sharp end position, realize precise control of the puncture depth and puncture position of the puncture needle, and the significance of providing multiple positioning modules is that at least three points are needed to determine the spatial coordinates, that is, the positions of the three end points of a triangular pyramid are calculated according to the relative positions, therefore, the more the number of the positioning modules is, the higher the identification precision is, preferably, the number of the positioning modules is 4.

[0026] As a preferred embodiment of the present embodiment, the puncture needle body 1 is a hollow structure, the hollow position is an injection channel, the sharp end is used for puncturing into the body of a surgical patient for surgery, and the connecting end is used for fixing with the connecting element 21.

[0027] As a preferred embodiment of the present embodiment, the optical tracking tool of the surgical puncture needle further includes a locking nut 3, and the injection channel and the rigid body are linked through the locking nut 3.

[0028] Specifically, in order to the sealing property of the injection channel and the medium channel, the puncture needle body 1 and the cylinder are tightly connected through the locking nut 3, the gap at the interface of the injection channel and the medium channel is eliminated, and the interface is clamped tightly.

[0029] As a preferred embodiment of the present embodiment, the structural element is a bifurcated structure, the structural element includes a branch 222 and a core 221, the branch 222 is a long strip structure, and multiple branches 222 are divergently arranged in multiple directions of the core 221. Preferably, the spatial positioning element 41 is a reflective marker ball, the supporting element 42 is a stick structure, one end of the supporting element 42 is connected with the reflective marker ball, and the other end is connected with the farthest end of the branch 222 from the core 221.

[0030] Specifically, the divergent arrangement means that the branch 222 is arranged radially outward with a point as the center, and specifically, reference can be made toFigure 1 The structure shown, and can be changed arbitrarily without changing its functional effect, the functional effect refers to the meaning of setting the branch 222 is to separate the reflective marker ball by a long distance, facilitate the tracking module to identify the marker ball position, reduce the error interval, obtain more accurate spatial data, therefore the skilled person can know the technical means and purpose of the present application after disclosure, more setting replacement. The branch 222 is radially arranged around the core 221, the reflective marker ball is at one end of the support 42, the other end of the support 42 is connected to the distal end of the branch 222, and the reflective marker ball is also radially spaced.

[0031] As a preferred embodiment of the present embodiment, the core 221 further comprises a through hole 2211 which penetrates through the two opposite surfaces of the core 221. Preferably, the medium channel is opened inside the connecting piece 21, one end of the medium channel is located at the interface between the connecting piece 21 and the connecting end, and the other end penetrates through the inside of the connecting piece 21 and is opened in the inner wall of the through hole 2211, wherein the medium refers to the fluid flowing through the puncture needle body 1 during the operation and playing a therapeutic role.

[0032] Specifically, the existing puncture needle medium flow channel and puncture needle are integrated, so it is not possible to simply achieve the same means of the present application by dividing the puncture needle into a modular structure as a whole. In other words, the prior art cannot reasonably divide the medium channel, even if it is divided, it is necessary to set up additional pipelines, which increases a large amount of invalid space. The advantage of the technical scheme of the present application is that the flow of medium is realized by using the internal space of the rigid body, specifically, the through hole 2211 is arranged in the core 221, and the injection channel is connected through the medium channel, the other end of the medium channel is opened in the inner wall of the through hole 2211, and the pipeline for conveying medium penetrates into the inside of the through hole 2211 and is connected to one end of the medium channel, thereby saving a large amount of space. The injection channel, the medium channel and the pipeline for conveying medium can be detached from each other, which provides the possibility of cleaning the inside.

[0033] As a preferred embodiment of the present embodiment, the through hole 2211 is used for medium flow, which means that the through hole 2211 can be connected to the pipeline for conveying medium.

[0034] As a preferred embodiment of the present embodiment, the camera is a camera, and the analysis device is a processor. The camera is used to capture the arrangement mode of the reflective marker ball, and the analysis device is used to further determine the spatial position of the sharp end.

[0035] The foregoing description of specific exemplary embodiments of the present application is intended to be illustrative only and is not intended to limit the application to the precise forms disclosed. Many modifications and variations are possible in light of the above teachings without departing from the spirit or essential characteristics of the application. The exemplary embodiments were chosen and described in order to explain the principles of the application and its practical application and to allow others skilled in the art to understand the application for various exemplary embodiments with various modifications being applicable. The scope of the application is intended to be defined by the claims and their equivalents.

Claims

1. An optical tracking tool for a surgical puncture needle, characterized in that, The application relates to a surgical puncture needle optical tracking tool. The puncture needle body comprises a sharp end and a connecting end. The structure module comprises a rigid body, a connecting piece, a structure piece and a medium channel. The positioning module comprises a spatial positioning piece and a support piece.

2. An optical tracking tool for a surgical puncture needle as defined in claim 1, characterized in that The puncture needle body is a hollow structure, the hollow position is an injection channel, the sharp end is used for puncturing a surgical patient to perform surgery, and the connecting end is used for fixing the connecting piece.

3. An optical tracking tool for a surgical puncture needle as defined in claim 2, characterized in that The puncture needle body is a hollow structure, the hollow position is an injection channel, the sharp end is used for puncturing a surgical patient to perform surgery, and the connecting end is used for fixing the connecting piece.

4. An optical tracking tool for a surgical puncture needle as defined in claim 3, characterized in that The structure piece is a bifurcated structure, the structure piece comprises a branch and a core, the branch is a strip-shaped structure, and a plurality of branches are arranged in multiple directions of the core.

5. An optical tracking tool for a surgical puncture needle as defined in claim 4, characterized in that The spatial positioning piece is a reflective marker ball, the support piece is a stick-shaped structure, one end of the support piece is connected with the reflective marker ball, and the other end is connected with the farthest end of the branch from the core.

6. An optical tracking tool for a surgical puncture needle as defined in claim 5, characterized in that The core further comprises a through hole, and the through hole penetrates through two opposite surfaces of the core.

7. An optical tracking tool for a surgical puncture needle as defined in claim 6, characterized in that The medium channel is arranged in the connecting piece, one end of the medium channel is located at the interface between the connecting piece and the connecting end, and the other end penetrates through the inside of the connecting piece and is arranged on the inner wall of the through hole.

8. An optical tracking tool for a surgical puncture needle as defined in claim 7, characterized in that The through hole is used for medium flow.

9. An optical tracking tool for a surgical puncture needle as defined in claim 7, wherein The camera is used for capturing the arrangement mode of the reflective marker ball, and the processor is used for further determining the spatial position of the sharp end.

10. An optical tracking tool for a surgical puncturing needle according to any one of claims 2 to 9, characterized in that, ​

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