Angle-adjustable puncture device for color ultrasound guidance

Abstract

The utility model discloses an angle-adjustable puncture device for color ultrasound guidance, which relates to the technical field of medical instruments and comprises a fixing ring, a clamping groove and an adjusting piece are arranged on the outer surface of the fixing ring, the adjusting piece comprises a clamping block clamped in the clamping groove, a fixing plate perpendicular to the clamping block is fixed on the side wall of the clamping block, and the fixing plate is fixed on the side wall of the clamping block. A plurality of limiting grooves with different inclination angles are fixed to the side wall of the fixing plate, a fixing sleeve is clamped in one of the limiting grooves through a sliding block fixedly connected with the fixing sleeve, a check block for limiting the position of the sliding block is fixed to the bottom of each limiting groove, and when the sliding blocks are attached to the check blocks, the end of the puncture needle body is located under the probe. Through the step-by-step movement design of the check block at the bottom of the limiting groove and the sliding block, the puncture needle body can gradually go deep according to the mode of progressive by 10 mm each time, it is ensured that a doctor can accurately control the puncture depth in the puncture process, and the safety and controllability of puncture operation are improved.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to an adjustable angle puncture device for color Doppler ultrasound guidance. Background Technology

[0002] In clinical practice, ultrasound-guided puncture technology is widely used in medical procedures such as tissue biopsy, local anesthesia, drug injection, and drainage. This technology uses ultrasound equipment to display the dynamic position of the target tissue and the puncture needle in real time, thereby improving the accuracy of the puncture.

[0003] In existing ultrasound-guided puncture procedures, the puncture needle is usually held by the doctor and adjusted with the assistance of the ultrasound probe. Different clinical needs require the puncture needle to be inserted into the target tissue at different angles. However, the traditional hand-held method relies on the doctor's experience to adjust the angle and lacks an effective angle fixing and adjustment device, which easily leads to puncture angle deviation. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an adjustable angle puncture device for color Doppler ultrasound guidance.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] An adjustable-angle puncture device for color Doppler ultrasound guidance, fixed to the bottom side wall of the probe, is used to fix the angle of the puncture needle body, comprising:

[0007] The retaining ring has a groove on its outer surface;

[0008] The adjusting component includes a locking block that engages with a locking slot, a fixing plate perpendicular to the locking block is fixed to the side wall of the locking block, and a plurality of limiting grooves with different inclination angles are fixed to the side wall of the fixing plate.

[0009] The fixing sleeve is engaged with one of the aforementioned limiting grooves by a slider that is fixedly connected to it;

[0010] Each of the aforementioned limiting grooves has a stop fixed at its bottom to restrict the position of the slider. When the slider is in contact with the stop, the end of the puncture needle body is located directly below the probe.

[0011] Preferably, the adjustment member is located in the middle of the curved side or the middle of the planar side of the probe, and the slot corresponds to the position of the adjustment member.

[0012] Preferably, when the adjustment member is located in the middle of the curved side of the probe, the limiting groove is set to 3.

[0013] Preferably, when the adjustment member is located in the middle of the side of the probe plane, the limiting groove is set to 4.

[0014] Preferably, when the puncture needle body contacts the stop block at the bottom of each limiting groove in sequence from the outside to the inside, the bottom end of the puncture needle body penetrates 10 mm in sequence.

[0015] Preferably, the slider and the stop are fixed by magnetic connection.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. Through the step-by-step movement design of the stop block at the bottom of the limiting groove and the slider, the puncture needle body can gradually penetrate deeper in increments of 10 mm each time, ensuring that the doctor can accurately control the puncture depth during the puncture process, avoiding puncture that is too shallow and cannot reach the target tissue, or puncture that is too deep and damages internal organs, thus improving the safety and controllability of the puncture operation.

[0018] 2. The device provides limiting grooves with different tilt angles, allowing doctors to select the appropriate puncture angle based on the different probe installation positions. This adjustable angle design improves the adaptability of the puncture device, making it suitable for different patient body types, organ positions, and clinical needs, thereby enhancing the flexibility of ultrasound-guided puncture and improving clinical applicability. Attached Figure Description

[0019] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0020] Figure 1 This is a schematic diagram of the structure where the adjustment element is located in the middle of the side surface of the probe plane;

[0021] Figure 2 for Figure 1 Cross-sectional view of the fixing ring and adjusting component;

[0022] Figure 3 This is a schematic diagram of the structure where the adjustment component is located in the middle of the curved side of the probe;

[0023] Figure 4 for Figure 3 Cross-sectional view of the fixed ring and adjusting component.

[0024] Explanation of annotations in the image:

[0025] 11. Probe; 12. Puncture needle body; 2. Retaining ring; 21. Slot;

[0026] 3. Adjusting component; 31. Locking block; 32. Fixing plate; 33. Limiting groove; 34. Stop block;

[0027] 41. Slider; 42. Fixing sleeve. Detailed Implementation

[0028] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0029] Example

[0030] like Figures 1-4 As shown, an adjustable angle puncture device for color Doppler ultrasound guidance is fixed to the bottom side wall of the probe 11 to fix the angle of the puncture needle body 12. It includes a fixing ring 2, an adjusting member 3, and a fixing sleeve 42. The fixing ring 2 surrounds and is fixed to the bottom side wall of the probe 11. The adjusting member 3 is engaged by a slot 21 opened on the fixing ring 2. The slot 21 at a suitable position can be determined as needed, and the adjusting member 3 that is used in accordance with the suitable position can be selected. The adjusting member 3 is engaged in the slot 21 of the fixing ring 2 so that the puncture needle body 12 can be inserted into the patient's body.

[0031] In one embodiment, such as Figure 2 , Figure 4 As shown, the outer surface of the fixing ring 2 has a slot 21. The adjusting component 3 includes a locking block 31 that engages with the slot 21. A fixing plate 32 perpendicular to the locking block 31 is fixed to the side wall of the locking block 31. Several limiting grooves 33 with different inclination angles are fixed to the side wall of the fixing plate 32. A slider 41 fixedly connected to the slider 41 engages with one of the limiting grooves 33. A stop 34 that restricts the position of the slider 41 is fixed to the bottom of each limiting groove 33. When the slider 41 is in contact with the stop 34, the puncture needle body... The end of 12 is located directly below the probe 11. When the puncture needle body 12 needs to be inserted to different depths, a suitable inclined groove 33 is selected according to the required insertion depth, so that the slider 41 that is fitted with the puncture needle body 12 is inserted into the selected groove 33, and the slider 41 carries the puncture needle body 12 into the patient's body through the fixing sleeve 42. When the slider 41 is magnetically attracted to the stop 34 at the bottom of the groove 33, the bottom end of the puncture needle body 12 is inserted to a suitable depth.

[0032] If it is necessary to replace the puncture needle body 12 with one of different diameters, the puncture needle body 12 can be removed from the fixing sleeve 42 and replaced with a puncture needle body 12 of appropriate diameter for use.

[0033] In one embodiment, such as Figure 1 , Figure 3As shown, the adjusting component 3 is located in the middle of the curved side or the middle of the flat side of the probe 11. The slot 21 corresponds to the position of the adjusting component 3. The slot 21 on the fixing ring 2 is arranged according to the installation position of the adjusting component 3, so that the adjusting component 3 can be stably locked into the fixing ring 2. By selecting the position of the adjusting component 3, different puncture requirements can be adapted, making the puncture operation more flexible.

[0034] In one embodiment, such as Figures 3-4 As shown, when the adjusting member 3 is located in the middle of the curved side of the probe 11, there are three limiting grooves 33, each corresponding to a different tilt angle to accommodate different puncture angle requirements. The limiting grooves 33 allow the puncture needle body 12 to be fixed at three different angles, thus meeting different clinical operation needs. Figures 1-2 As shown, when the adjusting member 3 is located in the middle of the side of the probe 11 plane, there are 4 limiting grooves 33, and each limiting groove 33 corresponds to a different tilt angle to adapt to different puncture angle requirements.

[0035] In one embodiment, such as Figure 2 , Figure 4 As shown, when the puncture needle body 12 contacts the stop block 34 at the bottom of each limiting groove 33 sequentially from the outside to the inside, the bottom end of the puncture needle body 12 penetrates 10 mm at a time. When the puncture needle body 12 is in the outermost limiting groove 33, its insertion depth is the shallowest; as it moves to the innermost limiting groove 33, the puncture depth increases, advancing 10 mm each time. This design ensures precise control of the puncture depth and reduces the risk of accidental puncture or failure to reach the target area.

[0036] In one embodiment, such as Figure 2 , Figure 4 As shown, the slider 41 and the stop 34 are fixed by magnetic connection. When the slider 41 is engaged in the limiting groove 33, the slider 41 and the stop 34 generate a magnetic attraction, keeping the puncture needle body 12 stable in a fixed state. This magnetic connection method enhances the stability of the puncture needle and also facilitates the adjustment and replacement of the puncture needle body 12, improving operational convenience.

[0037] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. An adjustable angle puncture device for color Doppler ultrasound guidance, fixed to the bottom side wall of the probe (11), used to fix the angle of the puncture needle body (12), characterized in that, include: A fixing ring (2) is provided with a slot (21) on its outer surface; Adjustment component (3), the adjustment component (3) includes a locking block (31) that is locked into the locking slot (21), the side wall of the locking block (31) is fixed with a fixing plate (32) perpendicular to the locking block (31), and the side wall of the fixing plate (32) is fixed with a plurality of limiting grooves (33) with different inclination angles. The fixed sleeve (42) is snapped into one of the limiting grooves (33) by a slider (41) fixedly connected thereto; Each of the limiting grooves (33) has a stop (34) fixed at the bottom to limit the position of the slider (41). When the slider (41) is in contact with the stop (34), the end of the puncture needle body (12) is located directly below the probe (11).

2. The adjustable angle puncture device for color Doppler ultrasound guidance according to claim 1, characterized in that: The adjusting member (3) is located in the middle of the curved side or the middle of the planar side of the probe (11), and the slot (21) corresponds to the position of the adjusting member (3).

3. The adjustable angle puncture device for color Doppler ultrasound guidance according to claim 2, characterized in that: When the adjusting member (3) is located in the middle of the curved side of the probe (11), the limiting groove (33) is set to 3.

4. The adjustable angle puncture device for color Doppler ultrasound guidance according to claim 2, characterized in that: When the adjusting member (3) is located in the middle of the side of the probe (11) plane, the limiting groove (33) is set to 4.

5. An adjustable-angle puncture device for color Doppler ultrasound guidance according to any one of claims 3 or 4, characterized in that: When the puncture needle body (12) contacts the stop block (34) at the bottom of each limiting groove (33) from the outside to the inside, the bottom end of the puncture needle body (12) penetrates 10 mm in each step.

6. The adjustable angle puncture device for color Doppler ultrasound guidance according to claim 5, characterized in that: The slider (41) and the stop (34) are fixed by magnetic connection.

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