Calibrating device adaptive to various types of surgical puncture needles

Abstract

The utility model discloses a calibration device adapted to various types of surgical puncture needles, which comprises a to-be-calibrated device, the to-be-calibrated device comprises a puncture needle body, a structure module and a positioning module, and the puncture needle body comprises a sharp end and a connecting end; 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; the calibration device comprises a support module and a measurement module, the support module is used for being in butt joint with a puncture needle body, and the measurement module is used for determining the posture and the position of the calibration device. Accurate positioning and puncturing can be achieved, serious medical negligence is avoided, and surgical risks caused by mechanical errors of the puncture needle are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to surgical puncture needle field especially a kind of calibration device of adaptation multiple model surgical puncture needle. BACKGROUND

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

[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, through percutaneous puncture technology, tissue biopsy or minimally invasive treatment is increasingly important in clinical work. Precise positioning and puncture are the key to ensure diagnosis and treatment effect and avoid complications. The existing puncture needle needs to determine the position of needle head when adjusting, so as to accurately penetrate the affected area;Or after long-term use, it is necessary to confirm whether the position of the needle head of the puncture needle deviates again to ensure the safety of the continued use of the puncture needle. However, the existing technology is blank in the calibration of the position of the needle head of the puncture needle itself, and doctors can only determine whether the puncture needle is straight by naked eye and determine whether the puncture needle can be used by experience, which is easy to cause serious medical accidents and increase the risk of surgery.

[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 it forms prior art that is publicly known. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a kind of calibration device of adaptation multiple model surgical puncture needle, can solve the problems in the background art.

[0006] To achieve the above object, the utility model provides a kind of calibration device of adaptation multiple model surgical puncture needle, it is characterized by, including: to be calibrated device, the to be calibrated device includes puncture needle body, structure module and positioning module, the puncture needle body includes sharp end and connecting end;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;The positioning module includes spatial positioning piece and support, the support is connected on the same side surface of the rigid body;Calibration device, the calibration device includes support module and surveying module, the support module is used to butt joint with puncture needle body, the surveying module is used to determine the attitude and position of the calibration device.

[0007] In one or more embodiments, the calibration device for adapting to surgical puncture needles of multiple models further comprises a tracking module, the tracking module comprising a camera and an analysis device.

[0008] In one or more embodiments, the puncture needle body is a hollow structure, the hollow position being an injection channel, the sharp end being used for puncturing a surgical patient for surgery, and the connecting end being used for fixing with the connecting piece; the calibration device for adapting to surgical puncture needles of multiple models further comprises a locking nut, and the injection channel and the rigid body are linked through the locking nut.

[0009] In one or more embodiments, the support module is a bifurcated structure, the support module comprising a branch, a docking portion and a core, the branch being a long strip structure, and a plurality of the branches being arranged in multiple directions of the core.

[0010] In one or more embodiments, the docking portion is a long strip structure, both ends of the docking portion being connected to the ends of the plurality of branches, and the middle part of the docking portion comprising a docking groove.

[0011] In one or more embodiments, the docking groove is shaped to match the shape of the sharp end.

[0012] In one or more embodiments, the docking groove is in the shape of an inverted conical cavity structure, and the vertex of the docking groove is connected to the sharp end.

[0013] In one or more embodiments, the alignment module comprises a reflective marker ball.

[0014] In one or more embodiments, the camera is a camera, and the analysis device is a processor, the camera being used to capture the arrangement of the reflective marker ball, and the analysis device being used to further determine the spatial position of the sharp end.

[0015] 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:

[0016] By means of the additional calibration device, the array of the reflective marker ball is identified in space, the orientation of the calibration device and the device to be calibrated is determined, the position of the puncture needle tip is determined according to the relative position and distance, and calibration is realized to facilitate precise surgery. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and can be considered as a combination of multiple combinations of preferred embodiments, and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 The utility model provides a whole structure schematic drawing of adapting to various model surgical puncture needle,

[0019] The reference numerals in the drawing respectively represent: 11-puncture needle body, 12-structure module, 13-positioning module, 111-sharp end, 211-branch, 212-docking part, 213-core, 2121-docking groove, 22-accurate measurement module. DETAILED DESCRIPTION

[0020] Unless otherwise specifically defined, the term "comprising" or variations such as "comprise" or "comprises" as used throughout this document and claims, is to be interpreted to mean the inclusion of the stated elements or components but not the exclusion of others.

[0021] The utility model aims at providing a kind of calibration device of adapting to various model surgical puncture needle, by accurate calibration puncture needle tip position, realize accurate positioning and puncture, avoid the effect of causing serious medical accident, aggravate the risk of operation.

[0022] Embodiment one:

[0023] The embodiment provides a kind of calibration device of adapting to various model surgical puncture needle, it is characterized in that, including: to be calibrated device, the to be calibrated device includes puncture needle body 11, structure module 12 and positioning module 13, the puncture needle body 11 includes sharp end 111 and connecting end;The structure module 12 includes rigid body, the rigid body includes connecting piece, structural member and medium passage, the connecting piece is connected with the connecting end;The positioning module 13 includes spatial positioning piece and support piece, the support piece is connected in the same side of the rigid body;Calibration device, the calibration device includes bracket module and accurate measurement module 22, the bracket module is used to be docked with puncture needle body 11, the accurate measurement module 22 is used to determine the attitude and position of the to be calibrated device.

[0024] Specifically, in order to be able to calibrate the needle position of puncture needle, the present application is arranged calibration device outside to be calibrated device, the relative position of the accurate measurement module 22 of the calibration device and the calibration device is determined position, the relative position of the sharp end 111 and the to be calibrated device is unknown, by docking sharp end 111 with the accurate measurement module 22, and determining the relative position of the calibration device and the to be calibrated device, the relative position of the sharp end 111 and the to be calibrated device is determined by mathematical calculation.

[0025] As a preferred embodiment of the present embodiment, the calibration device for adapting to various types of surgical puncture needles further comprises a tracking module, the tracking module comprising a camera and an analysis component. Specifically, the camera of the tracking module captures the calibration device and the device to be calibrated, and the analysis component is used to analyze the relative position of the calibration device and the device to be calibrated, and then determine the position of the sharp end 111.

[0026] As a preferred embodiment of the present embodiment, the puncture needle body 11 is a hollow structure, the hollow position is an injection channel, the sharp end 111 is used to penetrate into the body of a surgical patient for surgery, and the connecting end is used to be fixed with the connecting piece; the calibration device for adapting to various types of surgical puncture needles further comprises a locking nut, and the injection channel and the rigid body are linked through the locking nut.

[0027] Specifically, the locking nut is used to seal the injection liquid flow channel and provide air tightness.

[0028] As a preferred embodiment of the present embodiment, the support module is a bifurcated structure, the support module comprises a branch 211, a butt joint part 212 and a core 213, the branch 211 is a long strip structure, and a plurality of the branches 211 are arranged in multiple directions of the core 213. Further, the butt joint part 212 is a long strip structure, the two ends of the butt joint part 212 are respectively connected to the ends of the plurality of branches 211, and the middle part of the butt joint part 212 comprises a butt joint groove 2121; further, the shape of the butt joint groove 2121 is matched with the shape of the sharp end 111; further, the butt joint groove 2121 is in the shape of an inverted conical cavity structure, and the vertex of the butt joint groove 2121 is connected with the sharp end 111.

[0029] Specifically, the bifurcated support module is provided in the present embodiment, and the bifurcated structure can refer to the structure shown in Figure 1 , and any change can be made without changing the functional effect. In order to provide the calibration strategy of the sharp end 111, the butt joint groove 2121 is provided in the present embodiment, and the position of the vertex of the bottom end of the butt joint groove 2121 is the position of the sharp end 111 after the butt joint groove 2121 is connected with the sharp end 111. Since the position of the vertex of the butt joint groove 2121 can be determined according to the drawing, the position of the sharp end 111 can be determined by identifying the orientation of the calibration device. When the orientation of the device to be calibrated is identified by the tracking module, the relative distance can be calculated to determine whether the sharp end 111 is in the target position, and then the sharp end 111 is calibrated.

[0030] As a preferred embodiment of the present application, the alignment module 22 comprises reflective marker balls. Specifically, the tracking module captures the position information of the passive reflective marker balls, and determines the position and attitude of the calibration device according to the relative positions of the reflective marker balls.

[0031] As a preferred embodiment of the present application, the camera is a camera, and the analysis component is a processor. The camera is configured to capture the arrangement of the reflective marker balls, and the analysis component is configured to further determine the spatial position of the sharp end 111.

[0032] The calibration device is similar in shape to the device to be calibrated, and preferably, the device to be calibrated can be manufactured in the same structure as the calibration device. That is, the alignment module 22 can be installed on the tail of each puncture needle, and the positions of the needle tip tracking points can be determined by connecting two or more puncture needles end to end, thereby unifying the test and the measurement and reducing the test cost.

[0033] The foregoing description of specific exemplary embodiments of the present application is provided for the purpose of explanation and illustration. Such description is not intended to limit the application to the exact form described, and it is apparent that various modifications and variations can be made in light of the above teachings. The exemplary embodiments were chosen and described in order to explain the principles of the application and its practical application, thereby enabling others skilled in the art to implement and utilize the application in various embodiments and with various modifications as are suited to the particular use contemplated. The scope of the application is defined by the following claims and their equivalents.

Claims

1. An alignment device for adapting a plurality of models of surgical puncture needles, characterized by, The application relates to a calibration device for surgical puncture needles. The calibration device comprises a support module and a calibration module, the support module is used for interfacing with the puncture needle body, and the calibration module is used for determining the posture and position of the calibration device. The calibration device for the surgical puncture needles of various types further comprises a tracking module, the tracking module comprises a camera and an analysis device.

2. The calibrating device of claim 1, wherein the calibrating device is adapted to calibrate a plurality of surgical puncture needles of different sizes. The puncture needle body is a hollow structure, the hollow position is an injection channel, the sharp end is used for puncturing into a surgical patient for surgery, and the connecting end is used for being fixed with the connecting piece; the calibration device for the surgical puncture needles of various types further comprises a locking nut, and the injection channel and the rigid body are linked through the locking nut.

3. A calibrating device for adapting various types of surgical puncture needles according to any one of claims 1, 2, characterized in that, The support module is a bifurcated structure, the support module comprises branches, an interfacing part and a core, the branches are long strip structures, and a plurality of the branches are arranged in multiple directions of the core.

4. The calibrating device for adapting various types of surgical puncture needles according to any one of claims 1, 2, wherein The interfacing part is a long strip structure, two ends of the interfacing part are respectively connected to the ends of the branches, and the middle part of the interfacing part comprises an interfacing groove.

5. The calibrating device of claim 4, wherein the plurality of types of surgical puncture needles include a 16 gauge needle, a 17 gauge needle, an 18 gauge needle, a 19 gauge needle, and a 20 gauge needle. The shape of the interfacing groove is matched with the shape of the sharp end.

6. The calibrating device of claim 5, wherein the plurality of types of surgical puncture needles include a 16 gauge needle, a 17 gauge needle, an 18 gauge needle, a 19 gauge needle, and a 20 gauge needle. The interfacing groove is a reversed conical cavity structure, and the vertex of the interfacing groove is connected with the sharp end.

7. The calibrating device of claim 6, wherein the calibrating device is adapted to calibrate a plurality of surgical puncture needles of different sizes. The calibration module comprises a reflective marker ball.

8. The calibrating device of claim 7, wherein the plurality of types of surgical puncture needles include a 16 gauge needle, a 17 gauge needle, an 18 gauge needle, a 19 gauge needle, and a 20 gauge needle. The camera is used for capturing the arrangement mode of the reflective marker ball, and the analysis device is used for further determining the spatial position of the sharp end.

9. The calibrating device of claim 2, wherein the calibrating device is adapted to calibrate a plurality of surgical puncture needles of different sizes. ​

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