Visual tunnel puncture mirror

Abstract

The utility model discloses a visual tunnel puncture mirror, and belongs to the field of medical instruments. The puncture mirror comprises a puncture mirror body, the puncture mirror body comprises a stainless steel tube cavity, a holding forceps unit and a miniature camera are arranged in the stainless steel tube cavity, and the holding forceps unit comprises a holding forceps operation hole, stainless steel holding forceps and a forceps rod connected with the stainless steel holding forceps; the micro camera is arranged at the front end of the forceps rod; the stainless steel holding forceps move back and forth along the length direction of the stainless steel tube cavity through the holding forceps operation hole; a closed and transparent sheath is arranged at the front end of the stainless steel tube cavity, so that the micro camera can observe the internal environment of the head end of the puncture mirror body through the sheath; an image acquired by the micro camera is output to the endoscope visualization system equipment; and a detection and analysis unit capable of monitoring physical and chemical parameters of a tissue structure of a to-be-punctured or to-be-marched part is also arranged in the stainless steel tube cavity. The puncture mirror establishes a tunnel gap in a vascular-free area of a fascia layer, and intraoperative complications are reduced.

Description

Technical Field

[0001] The present application belongs to the field of medical devices and relates to a visual tunnel puncture endoscope. Background Art

[0002] Peritoneal dialysis is one of the main treatments for end-stage renal disease. Laparoscopic insertion of a peritoneal dialysis catheter is fully visualized and has a significant effect in reducing postoperative complications. However, in the existing technology, the establishment of a dialysis external tube skin tunnel can only be done with the help of a tunnel needle or hemostatic forceps. This operation method is prone to cause bleeding in the subcutaneous fat layer, tunnel infection abscesses, and sinus formation. In severe cases, it can cause peritonitis and endanger life.

[0003] Therefore, it is necessary to design a visualized tunnel puncture scope to establish a tunnel gap in the avascular area of ​​the fascia layer, and combine it with laparoscopic direct guidance to complete the visualization of the entire peritoneal dialysis catheter insertion process, so as to provide convenience for controlling surgical injuries, reducing intraoperative complications, reducing postoperative pain, and improving surgical efficiency and safety. Utility Model Content

[0004] In order to solve the above problems, the present application proposes a visualized tunnel puncture endoscope, which can establish a tunnel gap in the avascular area of ​​the fascia layer or subcutaneous fat layer, reduce surgical damage and intraoperative complications, and reduce postoperative pain.

[0005] The specific technical solutions of this application are as follows:

[0006] The present application provides a visualized tunnel puncture scope, comprising: the puncture scope comprises a puncture scope body, and the puncture scope body comprises:

[0007] A stainless steel tube cavity, wherein a holding forceps unit and a miniature camera are arranged in the stainless steel tube cavity, wherein the holding forceps unit comprises a holding forceps operation hole, a stainless steel holding forceps, and a forceps rod connected to the stainless steel holding forceps; the miniature camera is arranged at the front end of the forceps rod; the stainless steel holding forceps moves back and forth along the length direction of the stainless steel tube cavity through the holding forceps operation hole; a cold light source is arranged above the miniature camera;

[0008] The front end of the stainless steel tube cavity is provided with a closed transparent outer sheath, so that the micro camera can observe the internal environment of the head end of the puncture end body through the outer sheath; the image obtained by the micro camera is output to the endoscope visualization system device, and the image is displayed on the display screen;

[0009] The stainless steel tube cavity is also provided with a detection and analysis unit capable of monitoring the physical and chemical parameters of the tissue structure of the part to be punctured or advanced.

[0010] Optionally, the miniature camera is fixed to the front end of the clamp rod through a joint bearing, so as to achieve multi-directional steering;

[0011] Optionally, the image captured by the micro camera is transmitted to a post-stage signal processing system in an image data acquisition device via an optical fiber to obtain an output image, which is displayed on a display screen of an endoscope visualization system device.

[0012] Optionally, the video transmission interface of the miniature camera and the optical fiber bundle interface of the optical fiber are respectively connected to different line interfaces on an endoscope visualization system device that is independent of the puncture scope.

[0013] Optionally, the length of the transparent outer sheath is 2-5 cm.

[0014] Optionally, the transparent outer sheath has a diameter of 1.2-1.4 cm.

[0015] Optionally, the diameter of the stainless steel tube cavity is 5-10 mm.

[0016] Optionally, the lens of the micro camera is set to 0°-3°, so that the situation on both sides of the micro camera and in the tunnel directly above it can be observed; preferably, the lens of the micro camera is set to 0°.

[0017] The beneficial effects of this application include but are not limited to:

[0018] 1. In the puncture endoscope of the present application, a closed transparent outer sheath is provided at the front end of the stainless steel tube cavity; the lens in the micro camera is a 0° lens, and the cold light source is located above the micro camera, so that when the puncture endoscope is inserted, the closed transparent outer sheath provided at the front end of the stainless steel tube cavity can be used to observe the tunnel conditions on both sides and directly in front of the puncture endoscope;

[0019] The miniature camera is fixed to the front end of the clamp rod through a joint bearing, and can realize multi-directional steering, so as to observe the internal environment of the head end of the puncture mirror body.

[0020] The stainless steel tube cavity is also equipped with a detection and analysis unit that can monitor the physical and chemical parameters of the tissue structure of the part to be punctured or advanced. The detection and analysis unit can distinguish the surrounding tissue and vascular area and the shape of the blood vessel, and can establish a tunnel gap in the non-vascular area, control surgical damage, reduce intraoperative complications, improve surgical efficiency, and facilitate the doctor's operation.

[0021] 2. As a preferred embodiment, the miniature camera is fixed to the front end of the clamp rod through a joint bearing, which can achieve multi-directional steering.

[0022] 3. As a preferred embodiment, the length of the transparent outer sheath is 2-5 cm and the diameter is 1.2-1.4 mm, which can provide sufficient observation space for the camera.

[0023] 4. As a preferred embodiment, the diameter of the stainless steel tube cavity is 5-10 mm, so as to reduce the wound surface as much as possible and ensure the stainless steel forceps have a suitable activity space. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the puncture endoscope device;

[0026] Figure 2 This is a schematic diagram of the cross section of the puncture mirror of this application;

[0027] Figure 3 for Figure 1 The enlarged structural diagram of part A in the middle;

[0028] List of parts and reference numerals:

[0029] 1. Stainless steel lumen, 2. Miniature camera, 3. Stainless steel holding forceps, 4. Cold light source, 5. Operating hole for holding forceps, 6. Forceps rod, 7. Transparent outer sheath, 8. Optical fiber bundle interface, 9. Video transmission connection port, 10. Eyepiece interface, 11. Display screen, 12. Endoscope visualization system equipment, 13. Detection and analysis unit. DETAILED DESCRIPTION

[0030] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0031] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0033] In addition, in the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0035] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0037] As a specific implementation method, Figure 1-3 As shown, a visualization tunnel puncture mirror comprises:

[0038] The puncture mirror includes a puncture mirror body, and the puncture mirror body includes:

[0039] A stainless steel tube cavity 1 (with a diameter of 8 mm), a holding forceps unit and a miniature camera 2 are arranged in the stainless steel tube cavity 1, the holding forceps unit comprises a holding forceps operation hole 5, a stainless steel holding forceps 3, and a forceps rod 6 connected to the stainless steel holding forceps 3; the miniature camera 2 is arranged at the front end of the forceps rod 6; the stainless steel holding forceps 3 moves back and forth along the length direction of the stainless steel tube cavity 1 through the holding forceps operation hole 5; a cold light source 4 is arranged above the miniature camera 2; the lens in the miniature camera 2 is a 0° lens setting;

[0040] The front end of the stainless steel tube cavity 1 is provided with a closed transparent outer sheath with a diameter of 1.2 mm and a length of 3 cm, so that the micro camera 2 can observe the internal environment of the head end of the puncture endoscope through the outer sheath; the image obtained by the micro camera 2 is output to the endoscope visualization system device 12, and the image is displayed on the display screen 11;

[0041] Furthermore, the video transmission interface, the eyepiece interface 10, and the optical fiber bundle interface 8 are respectively connected to different line interfaces on an endoscope visualization system device 12 that is independent of the puncture scope body, and together realize the transmission of images.

[0042] The stainless steel tube cavity 1 is also provided with a detection and analysis unit 13 capable of monitoring the physical and chemical parameters of the tissue structure of the part to be punctured or advanced.

[0043] During use, the cold light source 4 is arranged above the micro camera 2, and the lens in the micro camera 2 is set to a 0° lens so that when the puncture scope is inserted, the closed transparent outer sheath 7 arranged at the front end of the stainless steel lumen 1 can be used to observe the tunnel conditions on both sides of the puncture scope and in front of it, and the internal environment of the head end of the puncture scope body can be observed ( Figure 3 The range a° from line a to line b is the range observed by the front end of the lens); the image acquired by the micro camera 2 is transmitted to the endoscope visualization system device 12 through the optical fiber and displayed on the display screen 11;

[0044] Furthermore, the image captured by the micro camera 2 is transmitted to the post-stage signal processing system in the image data acquisition device through the optical fiber to obtain an output image, which is displayed on the display screen 11 of the endoscope visualization system device 12.

[0045] At this time, the detection and analysis unit 13 performs the following work:

[0046] The working process of the detection and analysis unit 13 includes:

[0047] Step 1: Real-time monitoring of the physical and chemical parameters of each part of the output image;

[0048] Step 2: Compare the values ​​of the physical and chemical parameters of each part to determine the location of the vascular area and the shape of the vascular. The determination method is: use the Hessian matrix technology to process the output image. The specific steps are:

[0049] In the output image, the Hessian matrix of each pixel is calculated, including the eigenvalue and eigenvector of the matrix; based on the characteristic that the blood vessels are darker in color than the surrounding tissues, the pixels with positive eigenvalues ​​are judged as blood vessels, so that the surrounding tissues and the blood vessel areas and the blood vessel shapes can be distinguished. When the puncture endoscope moves along the extension direction of the fat layer or fascia layer, it can automatically avoid the blood vessel areas therein. The channel finally constructed is composed of a path channel passing through one or more fascia local tissues and one or more fat local tissues;

[0050] After the tunnel is established, use stainless steel clamps to pull the dialysis outer tube into the tunnel, fix it, and remove it.

[0051] As a preferred embodiment, the miniature camera 2 is fixed to the front end of the clamp rod 6 through a joint bearing, which can achieve multi-directional steering.

[0052] As a preferred embodiment, the length of the transparent outer sheath 7 is 2-5 cm and the diameter is 1.2-1.4 cm, so as to provide the camera with sufficient observation space.

[0053] As a preferred embodiment, the diameter of the stainless steel lumen 1 is 5-10 mm, so that the wound surface can be reduced as much as possible and the stainless steel forceps 3 can be guaranteed to have a suitable movement space.

[0054] As a preferred embodiment, the lens of the micro camera 2 is set as a 0°-3° lens, so that the situation on both sides of the micro camera 2 and in the tunnel directly above it can be observed; wherein the lens of the micro camera 2 is set as a 0° lens; in this way, the situation on both sides of the puncture mirror and in the tunnel directly in front can be better observed.

[0055] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0056] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0057] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A visual tunnel puncture mirror, It is characterized in that include: The puncture mirror comprises a puncture mirror body, and the puncture mirror body comprises: A stainless steel tube cavity, wherein a holding forceps unit and a miniature camera are arranged in the stainless steel tube cavity, wherein the holding forceps unit comprises a holding forceps operation hole, a stainless steel holding forceps, and a forceps rod connected to the stainless steel holding forceps; the miniature camera is arranged at the front end of the forceps rod; the stainless steel holding forceps moves back and forth along the length direction of the stainless steel tube cavity through the holding forceps operation hole; a cold light source is arranged above the miniature camera; The front end of the stainless steel tube cavity is provided with a closed transparent outer sheath, so that the micro camera can observe the internal environment of the head end of the puncture end body through the outer sheath; the image obtained by the micro camera is output to the endoscope visualization system device, and the image is displayed on the display screen; The stainless steel tube cavity is also provided with a detection and analysis unit capable of monitoring the physical and chemical parameters of the tissue structure of the part to be punctured or advanced.

2. The puncture mirror according to claim 1, It is characterized in that The miniature camera is fixed to the front end of the clamp rod through a joint bearing.

3. The puncture mirror according to claim 2, It is characterized in that The micro camera can be steerable in multiple directions.

4. The puncture mirror according to claim 1, It is characterized in that The image captured by the micro camera is transmitted to the post-stage signal processing system in the image data acquisition device through the optical fiber to obtain the output image, which is displayed on the display screen of the endoscope visualization system equipment.

5. The puncture mirror according to claim 4, It is characterized in that The video transmission interface of the miniature camera head and the optical fiber bundle interface of the optical fiber are respectively connected to different line interfaces on an endoscope visualization system device that is independent of the puncture scope body.

6. The puncture mirror according to claim 1, It is characterized in that The length of the transparent outer sheath is 2-5 cm.

7. The puncture mirror according to claim 1, It is characterized in that The diameter of the transparent outer sheath is 1.2-1.4 cm.

8. The puncture mirror according to claim 1, It is characterized in that The diameter of the stainless steel tube cavity is 5-10 mm.

9. The puncture mirror according to claim 1, It is characterized in that The lens of the miniature camera is set to 0°-3°, so that the situation on both sides of the miniature camera and in the tunnel directly above it can be observed.

10. The puncture mirror according to claim 1, It is characterized in that The lens of the miniature camera is set as a 0° lens.

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