Quantitative uniform-seepage porous structure blunt needle

Abstract

The utility model discloses a quantitative uniform infiltration porous structure blunt needle, which comprises a needle head and a needle tube, one end of the needle tube is communicated and connected with the needle head, the other end of the needle tube is blunt round, a plurality of liquid holes are arranged on the needle tube, the plurality of liquid holes are divided into a plurality of groups, and the plurality of groups of liquid holes are distributed on the needle tube. The plurality of liquid holes in each group are distributed along the circumferential direction of the needle tube; a thermoplastic tube can also be sleeved on the needle tube, and the thermoplastic tube can shield the liquid hole; the liquid holes are formed in the needle tube and distributed in the different positions of the needle tube, and therefore medicine can be output from the different positions of the needle tube under the action of external force, and support is provided for filling human tissue with the medicine rapidly and efficiently.

Description

Technical Field

[0001] The utility model relates to the technical field of blunt needles, in particular to a blunt needle with a quantitative uniform infiltration porous structure. Background Art

[0002] In the field of medical aesthetics, blunt needles are used to achieve smooth injections or safer punctures in specific areas during procedures such as facial fillers, lip fillers, nose sculpting, and body contouring. Because blunt needles have rounded tips, they are less likely to puncture blood vessels during insertion, reducing the risk of bleeding and bruising. For example, when performing facial fillers, blunt needles allow for smoother penetration of the subcutaneous layer, achieving a uniform filling effect.

[0003] The structure of a blunt needle has been disclosed in the prior art. For example, a Chinese patent with patent number CN219646438U discloses a blunt needle for micro-plastic surgery, which includes a needle tube and a connector. One end of the needle tube is in the shape of a bullet head, and a liquid outlet is provided on the side wall of the needle tube near its bullet head end. A spherical head is fixed to the other end of the needle tube, and an infusion hole is provided through the spherical head. A perforation is provided on the connector for the needle tube to pass through, and a receiving cavity for accommodating the spherical head is provided in the connector. In the present application, the spherical head is spherical, and its outer diameter is larger than the outer diameter of the needle tube. Before the blunt needle tube and the needle are assembled, under the action of the spherical head, the end of the needle tube near the spherical head is in a tilted state, so that the staff can quickly pick up the needle tube placed on the work surface and quickly assemble the blunt needle, thereby improving the assembly efficiency of the blunt needle.

[0004] The solution disclosed in the aforementioned patent and the actual structure of existing blunt needles indicate that the blunt needle has only one liquid outlet at its end, which is oriented in a single direction. Therefore, when injecting medication using this blunt needle, a single puncture can result in fewer drug delivery points and a smaller skin activation area. To ensure that the medication fills a larger area of ​​human tissue, a worker must adjust the orientation of the liquid outlet after the blunt needle is inserted, or control the movement of the blunt needle to inject the medication during the movement. Either of these operations increases discomfort for the patient. Utility Model Content

[0005] The utility model aims to provide a blunt needle with a quantitative uniform infiltration porous structure, aiming to improve the problem that the blunt needle has a single injection direction for drugs and cannot fill a large area with drugs.

[0006] The utility model is realized as follows: a quantitative uniform infiltration porous structure blunt needle comprises a needle head and a needle tube, one end of the needle tube is connected to the needle head, and the other end is configured as a blunt circle; a plurality of liquid holes are provided on the needle tube, the plurality of liquid holes are divided into a plurality of groups, the plurality of groups of liquid holes are distributed on the needle tube, and the plurality of liquid holes in each group are distributed along the circumferential direction of the needle tube; a thermoplastic tube can also be sleeved on the needle tube, and the thermoplastic tube can cover the liquid holes.

[0007] Preferably, a plurality of first scales are provided on the needle tube, the plurality of first scales are evenly distributed along the length direction of the needle tube, and the first scales are located in the gap of the liquid hole.

[0008] Preferably, a plurality of second scales are provided between two adjacent first scales, and the plurality of second scales are evenly distributed along the length direction of the needle tube.

[0009] Preferably, the liquid hole is set as a first liquid hole, and the direction of the first liquid hole is parallel to the diameter direction of the needle tube.

[0010] Preferably, the plurality of first liquid holes in each group are evenly distributed along the circumferential direction of the needle tube, and the first liquid holes in two adjacent groups are staggered.

[0011] Preferably, the liquid hole is set as a second liquid hole, and the second liquid hole is set to be inclined relative to the diameter of the needle tube.

[0012] Preferably, the plurality of second liquid holes in each group are evenly distributed along the circumferential direction of the needle tube, and the second liquid holes in two adjacent groups are staggered.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model is provided with multiple liquid holes on the needle tube, and the multiple liquid holes are distributed at different positions of the needle tube. Therefore, the medicine can be discharged from different positions of the needle tube under the action of external force, providing support for quickly and efficiently filling the medicine into human tissue.

[0015] 2. The present invention is provided with a thermoplastic tube, which can shrink and fit the needle tube when heated and block the corresponding liquid hole, thereby facilitating the injection of drugs into human tissues and avoiding drug leakage due to the exposed and unblocked liquid hole.

[0016] 3. The utility model sets the liquid hole at an obtuse angle or a right angle to the direction of drug flow, so as to avoid human tissue entering the liquid hole due to impact, causing blockage and affecting the output of the drug. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a first structural diagram of the present utility model;

[0018] Figure 2 It is a second structural schematic diagram of the utility model;

[0019] Figure 3 This is a third structural diagram of the present utility model;

[0020] Figure 4 This is a fourth structural diagram of the present utility model;

[0021] Figure 5 This is the fifth structural diagram of the present utility model.

[0022] In the figure: 1, needle; 2, needle tube; 3, first scale; 4, second scale; 5, first liquid hole; 6, second liquid hole; 7, thermoplastic tube. DETAILED DESCRIPTION

[0023] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0024] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0025] Example 1

[0026] In order to enable the drug to quickly and widely fill human tissue, this embodiment improves the existing blunt needle. The specific technical solution is shown below.

[0027] like Figure 1-5 As shown, before introducing the improvements of the blunt needle, let's first briefly introduce the structure of the blunt needle. Currently, the blunt needle includes a needle head 1 and a needle tube 2. One end of the needle tube 2 is connected to the needle head 1, and the other end is configured as a blunt rounded shape, that is, without a sharp tip. Therefore, it is not easy to puncture blood vessels during the advancement process, reducing the risk of bleeding and bruising. In addition, the needle hole (i.e., the liquid outlet) of the existing blunt needle is provided with one, and it is located at the end of the needle tube 2. Therefore, the injection rate of the drug is relatively low.

[0028] like Figure 1-5 As shown, in order to achieve rapid injection of the drug, a plurality of liquid holes are provided on the needle tube 2, and the plurality of liquid holes are divided into a plurality of groups. The plurality of liquid holes are distributed along the length direction of the needle tube 2, and the plurality of liquid holes in each group are distributed along the circumferential direction of the needle tube 2. Since there are a plurality of liquid holes and they are distributed at different positions on the needle tube 2, the drug can be output from different positions, which facilitates the rapid and efficient injection of the drug.

[0029] like Figure 1-5As shown, to control the depth of needle tube 2 inserted into human tissue, needle tube 2 is provided with multiple first scale marks 3, evenly distributed along the length of needle tube 2 and located within the gap between the fluid holes. Multiple second scale marks 4 are positioned between adjacent first scale marks 3, evenly distributed along the length of needle tube 2. Therefore, the combination of first scale marks 3 and second scale marks 4 facilitates quantitative control of the distance needle tube 2 penetrates into human tissue, providing support for drug injection.

[0030] like Figure 5 As shown, if the liquid hole does not completely enter the human tissue, in order to achieve drug injection, a thermoplastic tube 7 can be set on the needle tube 2. When heated, the thermoplastic tube 7 will fit the needle tube 2 and then block the liquid hole to prevent the drug from leaking out due to the unobstructed liquid hole.

[0031] like Figure 1 、 Figure 3 Specifically, the liquid holes are configured as first liquid holes 5 oriented parallel to the diameter of the needle tube 2 . This arrangement allows the drug to be delivered perpendicular to the needle tube 2 from different positions, facilitating rapid drug delivery into human tissue. The multiple first liquid holes 5 in each group are evenly distributed along the circumference of the needle tube 2 , with the first liquid holes 5 in adjacent groups being staggered. This arrangement increases the directionality of drug delivery and facilitates rapid drug delivery into human tissue.

[0032] Example 2

[0033] In order to enable the drug to quickly and widely fill human tissue, this embodiment improves the existing blunt needle. The specific technical solution is shown below.

[0034] like Figure 1-5 As shown, before introducing the improvements of the blunt needle, let's first briefly introduce the structure of the blunt needle. Currently, the blunt needle includes a needle head 1 and a needle tube 2. One end of the needle tube 2 is connected to the needle head 1, and the other end is configured as a blunt rounded shape, that is, without a sharp tip. Therefore, it is not easy to puncture blood vessels during the advancement process, reducing the risk of bleeding and bruising. In addition, the needle hole (i.e., the liquid outlet) of the existing blunt needle is provided with one, and it is located at the end of the needle tube 2. Therefore, the injection rate of the drug is relatively low.

[0035] like Figure 1-5 As shown, in order to achieve rapid injection of the drug, a plurality of liquid holes are provided on the needle tube 2, and the plurality of liquid holes are divided into a plurality of groups. The plurality of liquid holes are distributed along the length direction of the needle tube 2, and the plurality of liquid holes in each group are distributed along the circumferential direction of the needle tube 2. Since there are a plurality of liquid holes and they are distributed at different positions on the needle tube 2, the drug can be output from different positions, which facilitates the rapid and efficient injection of the drug.

[0036] like Figure 1-5 As shown, to control the depth of needle tube 2 inserted into human tissue, needle tube 2 is provided with multiple first scale marks 3, evenly distributed along the length of needle tube 2 and located within the gap between the fluid holes. Multiple second scale marks 4 are positioned between adjacent first scale marks 3, evenly distributed along the length of needle tube 2. Therefore, the combination of first scale marks 3 and second scale marks 4 facilitates quantitative control of the distance needle tube 2 penetrates into human tissue, providing support for drug injection.

[0037] like Figure 5 As shown, if the liquid hole does not completely enter the human tissue, in order to achieve drug injection, a thermoplastic tube 7 can be set on the needle tube 2. When heated, the thermoplastic tube 7 will fit the needle tube 2 and then block the liquid hole to prevent the drug from leaking out due to the unobstructed liquid hole.

[0038] like Figure 2 、 Figure 4 As shown, specifically, the liquid hole is configured as a second liquid hole 6, and the orientation of the second liquid hole 6 is arranged at an angle relative to the diameter of the needle tube 2. For example, the orientation of the second liquid hole 6 forms an obtuse angle with the direction of drug flow. This arrangement, while ensuring that the drug is delivered from different positions, can prevent skin tissue from blocking the second liquid hole 6 and affecting drug delivery. Because the orientation of the second liquid hole 6 is opposite to the direction of movement of the needle tube 2, human tissue will not be blocked by the second liquid hole 6 due to impact. The multiple second liquid holes 6 in each group are evenly distributed along the circumference of the needle tube 2, and the second liquid holes 6 of two adjacent groups are staggered. This arrangement can increase the direction of drug delivery and facilitate rapid filling of human tissue.

[0039] The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A blunt needle with a quantitative uniform infiltration porous structure, comprising a needle head (1) and a needle tube (2), wherein one end of the needle tube (2) is connected to the needle head (1) and the other end is configured as a blunt circle, characterized in that: A plurality of liquid holes are provided on the needle tube (2), the plurality of liquid holes being divided into a plurality of groups. The plurality of groups of liquid holes are distributed on the needle tube (2), and the plurality of liquid holes in each group are distributed along the circumferential direction of the needle tube (2); a thermoplastic tube (7) can also be sleeved on the needle tube (2), and the thermoplastic tube (7) can cover the liquid holes.

2. The blunt needle with a quantitative uniform infiltration porous structure according to claim 1, characterized in that: A plurality of first scales (3) are provided on the needle tube (2), the plurality of first scales (3) are evenly distributed along the length direction of the needle tube (2), and the first scales (3) are located in the gap of the liquid hole.

3. The quantitative uniform infiltration porous structure blunt needle according to claim 2, characterized in that: A plurality of second scales (4) are arranged between two adjacent first scales (3), and the plurality of second scales (4) are evenly distributed along the length direction of the needle tube (2).

4. The quantitative uniform infiltration porous structure blunt needle according to claim 3, characterized in that: The liquid hole is configured as a first liquid hole (5), and the direction of the first liquid hole (5) is parallel to the diameter direction of the needle tube (2).

5. The quantitative uniform infiltration porous structure blunt needle according to claim 4, characterized in that: The plurality of first liquid holes (5) in each group are evenly distributed along the circumferential direction of the needle tube (2), and the first liquid holes (5) in two adjacent groups are staggered.

6. The blunt needle with a quantitative uniform infiltration porous structure according to claim 3, characterized in that: The liquid hole is configured as a second liquid hole (6), and the second liquid hole (6) is configured to be inclined relative to the diameter of the needle tube (2).

7. The blunt needle with a quantitative uniform infiltration porous structure according to claim 6, characterized in that: The plurality of second liquid holes (6) in each group are evenly distributed along the circumferential direction of the needle tube (2), and the second liquid holes (6) in two adjacent groups are staggered.

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