Puncture needle with guiding function

Abstract

This utility model relates to the field of puncture needle technology, specifically a puncture needle with a guiding function. The utility model includes an injection tube and a puncture needle head, which are fixed together. A piston is provided on the inner wall of the injection tube, and an operating rod is fixedly connected to the right end of the piston. A guiding component is provided on the left end of the injection tube, and an auxiliary collection component is provided at the lower end of the injection tube. By using the auxiliary collection component, when aspirating peritoneal fluid from a patient, a rubber tube is inserted into a connecting tube, the puncture needle head is inserted into the patient's abdomen, and the operating rod is dragged to move the piston, aspirating the fluid. Once the injection tube can aspirate the fluid, the cap is opened, and the collection bag is pressed, causing the air inside the collection bag to escape from the operating tube, thus creating a negative pressure inside the collection bag. The fluid in the injection tube is then drawn into the collection bag through the rubber tube, potentially achieving the goal of completely aspirating the patient's peritoneal fluid in one procedure.

Description

Technical Field

[0001] This utility model relates to the field of puncture needle technology, and in particular to a puncture needle with a guiding function. Background Technology

[0002] The puncture needle is used to aspirate fluid from the abdominal cavity. The puncture needle consists of an injection tube, an operating rod, a piston, and a puncture needle tip. When aspirating fluid from the patient's abdominal cavity, the doctor first disinfects the skin at the aspiration site, then marks the location. Next, the doctor holds the injection tube and inserts the puncture needle tip into the abdominal cavity from the marked location. Then, the doctor pulls the operating rod outward to move the piston, thereby aspirating the abdominal fluid.

[0003] The inventors discovered in their daily work that when using the puncture needle, due to the large amount of fluid in the abdomen, the fluid could not be completely aspirated in a single puncture, requiring two or more punctures. This not only made the fluid aspiration process cumbersome but also potentially increased the probability of large-area bleeding in the patient. Utility Model Content

[0004] The purpose of this invention is to solve the problem that in actual use, due to the large amount of abdominal fluid, the patient's fluid cannot be completely aspirated by the puncture needle in a single puncture, thus requiring two or more punctures. This not only makes the fluid aspiration process cumbersome but may also increase the probability of large-area bleeding in the patient's body. Therefore, this invention proposes a puncture needle with a guiding function.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a puncture needle with a guiding function, comprising an injection tube and a puncture needle head, wherein the puncture needle head and the injection tube are fixed, a piston is provided on the inner wall of the injection tube, an operating rod is fixedly connected to the right end of the piston, a guiding component is provided on the left end of the injection tube, and an auxiliary collection component is provided on the lower end of the injection tube. The auxiliary collection component includes a rubber tube fixedly connected to the right end of the piston, a collection bag is provided on the other end of the rubber tube, a connecting tube and an operating tube are fixedly connected to the upper end of the collection bag, and a cap is provided on the upper end of the operating tube.

[0006] The effect achieved by the above-mentioned components is as follows: By setting up the auxiliary collection component, when aspirating ascites from a patient, the rubber tube is inserted into the connecting tube, the puncture needle is inserted into the patient's abdomen, the operating lever is dragged to move the piston and aspirate the ascites. After the injection tube can be used to aspirate the ascites, the cap is opened and the collection bag is pressed to allow the air in the collection bag to be expelled from the operating tube, thereby creating a negative pressure inside the collection bag. The ascites in the injection tube is then drawn into the collection bag through the rubber tube, thus potentially achieving the goal of completely aspirating the patient's ascites in one go.

[0007] Preferably, the arc surface of the connecting pipe is provided with a one-way valve one, and the arc surface of the operating pipe is provided with a one-way valve two.

[0008] The effects achieved by the above components are as follows: by setting one-way valve one, the fluid in the collection bag cannot flow into the rubber tube, but can flow through; by setting one-way valve two, the fluid in the collection bag can flow out through one-way valve two, but cannot flow through.

[0009] Preferably, a spring is fixedly connected between the two sides of the inner wall of the collection bag.

[0010] The effect achieved by the above components is to reset the collection bag by setting a spring.

[0011] Preferably, a telescopic rod is fixedly connected between the two sides of the inner wall of the collection bag, and the spring is sleeved on the surface of the telescopic rod.

[0012] The effect achieved by the above components is to limit the spring by setting a telescopic rod.

[0013] Preferably, the guide assembly includes a perforated mounting plate fixedly connected to one end of the injection tube, a guide plate is provided at the left end of the perforated mounting plate, a limit post is fixedly connected to the right end of the guide plate, and a cross hole is provided on one side of the guide plate.

[0014] The effect achieved by the above components is as follows: when it is necessary to guide and assist the insertion of the puncture needle, after disinfecting the guide plate and the limiting post, align the cross hole with the cross mark marked by the doctor on the patient's abdominal skin, then drag the injection tube so that the perforated mounting plate is inserted into the limiting post, and then insert the puncture needle into the patient's abdomen, thereby assisting the puncture needle to be inserted into the patient's abdomen as much as possible.

[0015] Preferably, the left end of the guide plate is provided with auxiliary adhesive.

[0016] The effect achieved by the above components is to help limit the guide plate to the patient's skin surface by setting auxiliary adhesive.

[0017] Preferably, a transparent film is provided at the left end of the auxiliary adhesive.

[0018] The effect achieved by the above components is to protect the auxiliary adhesive from sticking to other places by setting a transparent film.

[0019] Preferably, a tear-off sticker is fixedly connected to the left end of the transparent film.

[0020] The effect achieved by the above components is to assist in peeling off the transparent film by setting up a tear-off tab.

[0021] In summary, the beneficial effects of this utility model are as follows:

[0022] In this invention, by setting up an auxiliary collection component, when aspirating peritoneal fluid from a patient, a rubber tube is inserted into a connecting tube, the puncture needle is inserted into the patient's abdomen, and the operating lever is dragged to move the piston and aspirate the fluid. Once the injection tube can be used to aspirate the fluid, the cap is opened, and the collection bag is pressed to expel the air from the operating tube, thereby creating a negative pressure inside the collection bag. The fluid in the injection tube is then drawn into the collection bag through the rubber tube, thus potentially achieving the goal of completely aspirating the patient's peritoneal fluid in one session. This solves the problem that, due to the possibility of a large amount of abdominal fluid, the fluid cannot be completely aspirated by the puncture needle in a single session, requiring two or more aspirations. This not only makes the fluid aspiration process cumbersome but also increases the probability of large-area bleeding in the patient. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a three-dimensional structural diagram of the guide component of this utility model;

[0025] Figure 3 This is a three-dimensional structural diagram of the auxiliary collection component of this utility model;

[0026] Figure 4 This is a three-dimensional structural schematic diagram of the cross-section of this utility model;

[0027] Figure 5 This is a three-dimensional structural diagram of the cross-section of the collection bag of this utility model.

[0028] Legend: 1. Injection tube; 2. Auxiliary collection assembly; 3. Guide assembly; 4. Operating rod; 5. Puncture needle; 6. Piston; 21. Rubber tube; 22. Collection bag; 23. Connecting tube; 24. Operating tube; 25. One-way valve one; 26. One-way valve two; 27. Cap; 28. Telescopic rod; 29. ​​Spring; 31. Perforated mounting plate; 32. Guide plate; 33. Limiting post; 34. Cross hole; 35. Auxiliary adhesive; 36. Transparent film; 37. Peel-off sticker. Detailed Implementation

[0029] Reference Figure 1 and Figure 4 As shown, this utility model provides a technical solution: a puncture needle with guiding function includes an injection tube 1 and a puncture needle head 5, the puncture needle head 5 and the injection tube 1 are fixed together, characterized in that: a piston 6 is provided on the inner wall of the injection tube 1, an operating rod 4 is fixedly connected to the right end of the piston 6, a guiding component 3 is provided on the left end of the injection tube 1, and an auxiliary collection component 2 is provided on the lower end of the injection tube 1.

[0030] The following section will explain the specific settings and functions of the auxiliary collection component 2 and the guiding component 3.

[0031] Reference Figure 3 and Figure 5 As shown in this embodiment: the auxiliary collection component 2 includes a rubber tube 21 fixedly connected to the right end of the piston 6. A collection bag 22 is provided at the other end of the rubber tube 21. A connecting tube 23 and an operating tube 24 are fixedly connected to the upper end of the collection bag 22. A cap 27 is provided at the upper end of the operating tube 24. By setting the auxiliary collection component 2, when aspirating peritoneal fluid from a patient, the rubber tube 21 is inserted into the connecting tube 23, the puncture needle 5 is inserted into the patient's abdomen, and the operating lever 4 is dragged to move the piston 6, aspirating the fluid. After the injection tube 1 can aspirate the fluid, the cap 27 is opened, and the collection bag 22 is pressed, causing the air inside the collection bag 22 to be discharged from the operating tube 24, thereby creating a negative pressure inside the collection bag 22. The fluid in the injection tube 1 is then drawn into the collection bag through the rubber tube 21. The collection bag 22 is designed to allow for the complete removal of peritoneal fluid from the patient's abdominal cavity in one procedure. A one-way valve 25 is installed on the arc-shaped surface of the connecting tube 23, and a one-way valve 26 is installed on the arc-shaped surface of the operating tube 24. The one-way valve 25 prevents fluid from flowing into the rubber tube 21, allowing it to flow. Similarly, the one-way valve 26 allows fluid to flow out of the collection bag 22, preventing it from flowing out. A spring 29 is fixedly connected between the two sides of the inner wall of the collection bag 22, resetting the bag. A telescopic rod 28 is also fixedly connected between the two sides of the inner wall of the collection bag 22, with the spring 29 fitted onto its surface. The telescopic rod 28 limits the movement of the spring 29.

[0032] Reference Figure 2 As shown in this embodiment: the guide assembly 3 includes a perforated mounting plate 31 fixedly connected to one end of the injection tube 1. A guide plate 32 is provided at the left end of the perforated mounting plate 31, and a limiting post 33 is fixedly connected to the right end of the guide plate 32. A cross hole 34 is provided on one side of the guide plate 32. When the guide plate 32 is required to guide the insertion of the puncture needle 5, after disinfecting the guide plate 32 and the limiting post 33, the cross hole 34 is aligned with the cross mark marked by the doctor on the patient's abdominal skin, and then the injection tube 1 is dragged so that the perforated mounting plate 31... Insert the limiting post 33, and then insert the puncture needle 5 into the patient's abdomen, thereby assisting the puncture needle 5 to be inserted into the patient's abdomen as much as possible. The left end of the guide plate 32 is provided with auxiliary adhesive 35. By providing auxiliary adhesive 35, the guide plate 32 is assisted in limiting the patient's skin surface. The left end of the auxiliary adhesive 35 is provided with transparent film 36. By providing transparent film 36, the auxiliary adhesive 35 is protected from sticking to other places. The left end of the transparent film 36 is fixedly connected with a tear-off sticker 37. By providing tear-off sticker 37, the transparent film 36 is assisted in being torn off.

[0033] Working principle:

[0034] When aspirating fluid from a patient's abdominal cavity, the doctor first disinfects the skin at the aspiration site and marks the location. Then, holding the injection tube 1, the doctor inserts the puncture needle 5 into the abdominal cavity from the marked location. The doctor then pulls the operating lever 4 outward, causing the piston 6 to move and aspirate the abdominal fluid. During aspiration, the rubber tubing 21 is inserted into the connecting tube 23, and the puncture needle 5 is inserted into the patient's abdomen. Dragging the operating lever 4 causes the piston 6 to move, aspirating the fluid. Once the injection tube 1 is ready to aspirate fluid, the cap 27 is opened, and the collection bag 22 is pressed, causing the air inside the collection bag 22 to escape through the operating tube 24, creating a negative pressure inside the collection bag 22. The fluid in the injection tube 1 is then drawn into the collection bag 22 through the rubber tubing 21, potentially achieving complete aspiration of the patient's abdominal fluid in one procedure. A one-way valve 25 prevents the fluid in the collection bag 22 from being drawn out. Fluid flows into the rubber tube 21, and vice versa. By setting a one-way valve 26, the fluid in the collection bag 22 can flow out through the one-way valve 26, and vice versa. By setting a spring 29, the collection bag 22 is reset. By setting a telescopic rod 28, the spring 29 is limited. When it is necessary to guide the insertion of the puncture needle 5, after disinfecting the guide plate 32 and the limiting post 33, the cross hole 34 is aligned with the cross mark marked by the doctor on the patient's abdominal skin. Then, the injection tube 1 is dragged so that the perforated mounting plate 31 is inserted into the limiting post 33. Then, the puncture needle 5 is inserted into the patient's abdomen, thereby assisting the insertion of the puncture needle 5 into the patient's abdomen as much as possible. By setting an auxiliary adhesive 35, the guide plate 32 is assisted to be limited on the patient's skin surface. By setting a transparent film 36, the auxiliary adhesive 35 is protected from sticking to other places. By setting a tear-off 37, the transparent film 36 is assisted to be torn off.

[0035] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may use the disclosed technical content to make changes or modifications to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, still fall within the protection scope of this utility model's technical solution. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through specific circumstances.

Claims

1. A puncture needle with a guide function, comprising a syringe (1) and a puncture needle head (5), the puncture needle head (5) and the syringe (1) being fixed, characterized in that: The inner wall of the injection tube (1) is provided with a piston (6), the right end of the piston (6) is fixedly connected with an operating rod (4), the left end of the injection tube (1) is provided with a guide assembly (3), the lower end of the injection tube (1) is provided with an auxiliary collecting assembly (2), the auxiliary collecting assembly (2) comprises a rubber tube (21) fixedly connected with the right end of the piston (6), the other end of the rubber tube (21) is provided with a collecting bag (22), the upper end of the collecting bag (22) is fixedly connected with a connecting tube (23) and an operating tube (24), the upper end of the operating tube (24) is provided with a cover (27).

2. The puncture needle with a guide function according to claim 1, characterized in that: The circular arc surface of the connecting tube (23) is provided with a one-way valve I (25), and the circular arc surface of the operating tube (24) is provided with a one-way valve II (26).

3. The puncture needle with a guide function according to claim 2, characterized in that: The inner wall of the collecting bag (22) is fixedly connected with a spring (29) between the two sides.

4. The puncture needle with a guide function according to claim 3, characterized in that: The inner wall of the collecting bag (22) is fixedly connected with a telescopic rod (28) between the two sides, and the spring (29) is sleeved on the surface of the telescopic rod (28).

5. The puncture needle with a guide function according to claim 4, characterized in that: The guide assembly (3) comprises a hole mounting plate (31) fixedly connected with one end of the injection tube (1), the left end of the hole mounting plate (31) is provided with a guide plate (32), the right end of the guide plate (32) is fixedly connected with a limiting column (33), and one side of the guide plate (32) is provided with a cross hole (34).

6. The puncture needle with a guide function according to claim 5, characterized in that: The left end of the guide plate (32) is provided with auxiliary glue (35).

7. The puncture needle with a guide function according to claim 6, characterized in that: The left end of the auxiliary glue (35) is provided with a transparent film (36).

8. The puncture needle with a guide function according to claim 7, characterized in that: The left end of the transparent film (36) is fixedly connected with a tear strip (37).

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