Ultrasound-guided puncture to locate structures

Abstract

The utility model discloses a puncture positioning structure under ultrasound guidance, including a fixing mechanism, a positioning mechanism installed on the fixing mechanism, the fixing mechanism including a shell, a moving groove is provided on the surface of the shell, a connecting groove is provided on the top of the moving groove, a clamping groove is provided on the bottom of the moving groove, a friction strip is fixedly connected to the inner bottom of the clamping groove, the positioning mechanism includes a moving block and a connecting block, the moving block is installed inside the moving groove, the connecting block is installed inside the connecting groove, a spring is installed between the moving block and the connecting block, a friction block is fixedly connected to the bottom of the moving block, and the lower surface of the friction block is in contact with the upper surface of the friction strip. Compared with the existing structure, the utility model can change the position of the puncture needle by moving, thereby changing the landing point of the puncture needle, which is convenient for the use of the puncture needle.

Description

Technical Field

[0001] The utility model relates to the technical field of puncture positioning, in particular to a puncture positioning structure under ultrasound guidance. Background Art

[0002] The ultrasound-guided puncture positioning structure is also called the ultrasound probe puncture frame or puncture guide. It mainly plays the role of positioning the puncture needle. By installing the puncture frame on the ultrasound probe, the puncture needle can be introduced into the target position of the human body under ultrasound guidance to achieve cytological biopsy, histological biopsy, cyst aspiration and treatment, etc.

[0003] The puncture positioning frame needs to be installed on the ultrasound probe when in use, and then the puncture needle is installed on the positioning frame for use. To ensure the accuracy of the puncture, the puncture needle needs to be adjusted in angle and position. The puncture needle on the existing puncture positioning frame can only be adjusted at a small angle on the positioning frame. When the position adjustment is required, the ultrasound probe needs to be moved, which brings inconvenience to clinical operation. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a puncture positioning structure under ultrasound guidance.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a puncture positioning structure under ultrasound guidance, including a fixing mechanism, a positioning mechanism is installed on the fixing mechanism, the fixing mechanism includes a shell, a movable groove is opened on the surface of the shell, a connecting groove is opened on the top of the movable groove, a clamping groove is opened on the bottom of the movable groove, a friction strip is fixedly connected to the inner bottom of the clamping groove, the positioning mechanism includes a movable block and a connecting block, the movable block is installed inside the movable groove, the connecting block is installed inside the connecting groove, a spring is installed between the movable block and the connecting block, the bottom of the movable block is fixedly connected to the friction block, and the lower surface of the friction block is in contact with the upper surface of the friction strip.

[0006] Furthermore, a limiting hole is opened on the upper surface of the movable block, and the number of the limiting holes is two. The two limiting holes are respectively located on the left and right sides of the spring. The lower surface of the connecting block is fixedly connected to a limiting column, and the number of the limiting columns is two. The bottoms of the two limiting columns are respectively located inside the two limiting holes.

[0007] Furthermore, a side plate is fixedly connected to the front of the moving block, and the number of the side plates is two, and the two side plates are respectively located on the left and right sides of the moving block.

[0008] Furthermore, a fixed column is fixedly connected between the two side panels, a rotating column is movably connected to the outer surface of the fixed column, and a panel is fixedly connected to the front side of the rotating column.

[0009] Furthermore, a fixing buckle is fixedly connected to the front side of the panel, and an arc-shaped cavity is arranged inside the fixing buckle.

[0010] Furthermore, an arc-shaped groove is formed on the surface of the side plate, and a rotating rod is fixedly connected to the outer surface of the rotating column, and the rotating rod is located inside the arc-shaped groove.

[0011] Furthermore, the outer surface of the side panel is provided with scale markings.

[0012] Furthermore, a buckle is fixedly connected to the bottom of the shell, the number of the buckle is two, the two buckles are respectively located on the left and right sides of the shell, and the buckle is an arc-shaped structure.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] By setting a fixing mechanism and a positioning mechanism, the shell is installed on the ultrasonic probe and the puncture needle is installed on the fixing buckle during use. Then the moving block is moved along the moving groove to adjust the position of the fixing buckle. The position of the puncture needle can be changed, thereby changing the landing point of the puncture needle, which is convenient for the use of the puncture needle.

[0015] By setting a positioning mechanism, after the position of the moving block is determined, the spring under the connecting block will be stretched downward, pushing the moving block to move downward, so that the friction block at the bottom of the moving block can contact the friction strip at the bottom of the card slot, increasing the friction between the outer shell of the moving block, so that the moving block will not move randomly after stopping, which is convenient for the puncture needle to determine the landing point of puncture. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of the internal structure of the utility model from the first perspective;

[0018] Figure 3 For the utility model Figure 2 A magnified view of the structure at center;

[0019] Figure 4 This is a cross-sectional view of the internal structure of the utility model from a second viewing angle;

[0020] Figure 5 For the utility model Figure 4 Enlarged view of the structure at point B in the middle.

[0021] Legend:

[0022] 1. Fixing mechanism; 101. Shell; 102. Moving groove; 103. Connecting groove; 104. Card slot; 105. Friction strip; 106. Buckle; 2. Positioning mechanism; 201. Moving block; 202. Limiting hole; 203. Connecting block; 204. Limiting column; 205. Spring; 206. Friction block; 207. Side plate; 208. Arc groove; 209. Fixing column; 210. Rotating column; 211. Panel; 212. Fixing buckle; 213. Rotating rod. DETAILED DESCRIPTION

[0023] The technical solution of the embodiment of the utility model is described in detail below with reference to the accompanying drawings.

[0024] Reference Figure 1-5 In this embodiment, a puncture positioning structure under ultrasound guidance includes a fixing mechanism 1, which is installed on an ultrasound probe for use, and a positioning mechanism 2 is installed on the fixing mechanism 1; a puncture needle is installed on the positioning mechanism 2, and the position and angle of the puncture needle can be changed by the positioning mechanism 2. The fixing mechanism 1 includes a shell 101, and a movable groove 102 is provided on the surface of the shell 101, a connecting groove 103 is provided on the top of the movable groove 102, and a card slot 104 is provided on the bottom of the movable groove 102, and a friction strip 105 is fixedly connected to the inner bottom of the card slot 104; the positioning mechanism 2 includes a movable block 201 and a connecting block 203, and the movable block 201 is installed inside the movable groove 102, and the movable block 201 can move inside the movable groove 102, and the connecting block 203 is installed inside the connecting groove 103, and the connecting block 203 can move inside the connecting groove 103. The spring 205 is installed between the moving block 201 and the connecting block 203, and the spring 205 will expand and contract outward to push the moving block 201 to move downward; the bottom of the moving block 201 is fixedly connected with a friction block 206, and the lower surface of the friction block 206 fits the upper surface of the friction strip 105. The moving block 201 moves downward under the action of the spring 205 so that the friction block 206 contacts the friction strip 105. After the friction block 206 contacts the friction strip 105, the friction force between the two will limit the moving block 201, so that the moving block 201 will not be displaced at will.

[0025] A limiting hole 202 is provided on the upper surface of the movable block 201, and there are two limiting holes 202, which are respectively located on the left and right sides of the spring 205. A limiting column 204 is fixedly connected to the lower surface of the connecting block 203, and there are two limiting columns 204, and the bottoms of the two limiting columns 204 are respectively located inside the two limiting holes 202. By installing the limiting columns 204 inside the limiting holes 202, the connecting block 203 and the movable block 201 can be connected together, and the position between the two can be limited so that the position between the two will not be offset.

[0026] The front of the moving block 201 is fixedly connected to a side plate 207, and there are two side plates 207, which are respectively located on the left and right sides of the moving block 201. A fixed column 209 is fixedly connected between the two side plates 207, and a rotating column 210 is movably connected to the outer surface of the fixed column 209. The front of the rotating column 210 is fixedly connected to a panel 211, and the front of the panel 211 is fixedly connected to a fixing buckle 212, and an arc-shaped cavity is provided inside the fixing buckle 212. When in use, the puncture needle is installed in the fixing buckle 212, and the panel 211 can rotate around the rotating column 210. The puncture needle can also be adjusted to a certain angle for easy use. The puncture position is determined by an ultrasonic probe, and then the puncture needle is used for puncture sampling.

[0027] An arc groove 208 is provided on the surface of the side plate 207, and a rotating rod 213 is fixedly connected to the outer surface of the rotating column 210. The rotating rod 213 is located inside the arc groove 208. A scale mark is provided on the outer surface of the side plate 207. The rotating rod 213 rotates with the rotating column 210. The deflection angle of the puncture needle can be reflected according to the scale on the surface of the side plate 207, which is convenient for the use of the puncture needle.

[0028] The bottom of the shell 101 is fixedly connected with a buckle 106. There are two buckles 106, which are respectively located on the left and right sides of the shell 101. The buckle 106 is an arc-shaped structure. The shell 101 can be fixed on the ultrasound probe through the buckle 106, which is convenient for the use of the puncture positioning structure.

[0029] Working principle: When in use, the shell 101 is installed on the ultrasonic probe, and the puncture needle is installed on the fixing buckle 212. Then, the moving block 201 is moved along the moving groove 102 to adjust the position of the fixing buckle 212 to change the position of the puncture needle, thereby changing the landing point of the puncture needle and facilitating the use of the puncture needle.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A puncture positioning structure under ultrasound guidance, comprising a fixing mechanism (1), characterized in that: The fixing mechanism (1) is provided with a positioning mechanism (2), the fixing mechanism (1) comprising a housing (101), a movable groove (102) being provided on the surface of the housing (101), a connecting groove (103) being provided at the top of the movable groove (102), a clamping groove (104) being provided at the bottom of the movable groove (102), and a friction strip (105) being fixedly connected to the inner bottom of the clamping groove (104); the positioning mechanism (2) comprising a movable block (201) and a connecting block (203), the movable block (201) being installed inside the movable groove (102), the connecting block (203) being installed inside the connecting groove (103), a spring (205) being installed between the movable block (201) and the connecting block (203), a friction block (206) being fixedly connected to the bottom of the movable block (201), and the lower surface of the friction block (206) being in contact with the upper surface of the friction strip (105).

2. The ultrasound-guided puncture positioning structure according to claim 1, characterized in that: The upper surface of the moving block (201) is provided with a limiting hole (202), the number of the limiting holes (202) being two, and the two limiting holes (202) being respectively located on the left and right sides of the spring (205); the lower surface of the connecting block (203) is fixedly connected with a limiting column (204), the number of the limiting columns (204) being two, and the bottoms of the two limiting columns (204) being respectively located inside the two limiting holes (202).

3. The ultrasound-guided puncture positioning structure according to claim 1, characterized in that: The front side of the moving block (201) is fixedly connected with a side plate (207), and the number of the side plates (207) is two, and the two side plates (207) are respectively located on the left and right sides of the moving block (201).

4. The ultrasound-guided puncture positioning structure according to claim 3, characterized in that: A fixed column (209) is fixedly connected between the two side panels (207), a rotating column (210) is movably connected to the outer surface of the fixed column (209), and a panel (211) is fixedly connected to the front surface of the rotating column (210).

5. The ultrasound-guided puncture positioning structure according to claim 4, characterized in that: A fixing buckle (212) is fixedly connected to the front side of the panel (211), and an arc-shaped cavity is provided inside the fixing buckle (212).

6. The ultrasound-guided puncture positioning structure according to claim 4, characterized in that: An arc-shaped groove (208) is formed on the surface of the side plate (207), and a rotating rod (213) is fixedly connected to the outer surface of the rotating column (210), wherein the rotating rod (213) is located inside the arc-shaped groove (208).

7. The ultrasound-guided puncture positioning structure according to claim 3, characterized in that: The outer surface of the side plate (207) is provided with scale markings.

8. The ultrasound-guided puncture positioning structure according to claim 1, characterized in that: A buckle (106) is fixedly connected to the bottom of the shell (101), the number of the buckles (106) is two, the two buckles (106) are respectively located on the left and right sides of the shell (101), and the buckles (106) are arc-shaped structures.

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