Injection needle assembly for medicament delivery

Abstract

The utility model discloses an injection needle component for medicament delivery, which comprises an injection needle body, the top of the injection needle body comprises a needle tip, the bottom of the injection needle body comprises a needle seat, the outer side of the injection needle body comprises a needle handle, a mounting tube is arranged below the injection needle body, a connecting tube is arranged above the mounting tube, and the connecting tube is connected with the needle handle. According to the injection needle, the needle seat is placed in the mounting tube, the connecting tube and the mounting tube are connected through the mounting sleeve, and when the mounting tube is mounted at the bottom of the needle handle, the mounting tube is clamped in the limiting groove through the upper limiting block, so that after the injection needle is placed, the internal injection needle can be fixed; and when the connecting pipe is connected with the mounting sleeve, the sealing rubber ring is attached to the annular groove, so that a good sealing effect is achieved, the injection needle is placed, the injection needle is protected, carrying is convenient, and damage is not prone to occurring.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection needle technical field, concretely is a kind of injection needle assembly for medicament delivery. BACKGROUND

[0002] Injection needle is a common medical tool, mainly used to inject drugs, biological products into human body specific position, such as intradermal, subcutaneous, muscle, blood vessels, etc. This operation is usually carried out under aseptic conditions, and is one of the most commonly used medical operations in clinic. Injection needle can be divided into intradermal injection, subcutaneous injection, intramuscular injection, intravenous injection and other types according to different injection sites and drug properties. Injection needle has wide application range, including disease treatment, disease diagnosis and disease prevention. In the treatment aspect, injection administration can quickly deliver drugs into the body, and achieve faster efficacy, such as commonly used drugs such as antibiotics, analgesics, antiallergics, etc.

[0003] The existing injection needle is usually bagged, and the needle position is assembled with a protective sleeve. However, since the injection needle is relatively sharp, it may be squeezed when carrying the injection needle, so that the needle may be pierced into the protective sleeve on the needle, which may cause damage to the needle or packaging, thereby affecting subsequent use. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an injection needle assembly for medicament delivery to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An injection needle assembly for medicament delivery, comprising an injection needle body, the top of the injection needle body comprising a needle tip, the bottom of the injection needle body comprising a needle seat, the outer side of the injection needle body comprising a needle handle, the lower side of the injection needle body being provided with a mounting pipe, the upper side of the mounting pipe being provided with a connecting pipe, the upper side of the injection needle body being provided with a mounting sleeve, the bottom outer side of the mounting sleeve being provided with a threaded strip, the inner side of the connecting pipe being provided with a threaded groove, and the threaded strip being in threaded connection with the threaded groove.

[0007] In a preferred embodiment of the utility model, bolts and screw openings are respectively arranged at the connection of the mounting pipes on both sides, and the bolts and screw openings are in threaded connection.

[0008] In a preferred embodiment of the utility model, a cotton sheath is arranged inside the mounting sleeve, and an inclined surface is arranged at the bottom of the cotton sheath.

[0009] In a preferred embodiment of the utility model, the needle tip is placed in the cotton sheath, and the needle seat is placed in the mounting pipe.

[0010] In a preferred embodiment of the utility model, the mounting sleeve is above the needle handle, the mounting pipe is below the needle handle, and the connecting pipe is outside the needle handle.

[0011] In a preferred embodiment of the utility model, a limiting block is arranged below the inner side of the connecting pipe, limiting grooves are arranged around the needle handle, and the limiting block and the limiting groove are in sliding connection.

[0012] In a preferred embodiment of the utility model, a mounting ring is arranged above the threaded strip, and a sealing rubber ring is arranged at the bottom of the mounting ring.

[0013] In a preferred embodiment of the utility model, an annular groove is arranged at the top of the connecting pipe, and the sealing rubber ring is butted against the annular groove.

[0014] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or be known through the practice of the utility model.

[0015] Beneficial effects: the needle holder is placed in the mounting pipe, the threaded strip is connected with the threaded groove, so that the mounting sleeve is connected with the connecting pipe and the mounting pipe, when the mounting pipe is installed at the bottom of the needle handle, the upper limiting block is clamped in the limiting groove, so that the internal injection needle can be fixed after the placement of the injection needle, the injection needle cannot move, when the connecting pipe is connected with the mounting sleeve, the sealing rubber ring is attached to the annular groove, so that good sealing effect is achieved, the placement of the injection needle is completed, the injection needle is protected, and the injection needle is convenient to carry and not easy to be damaged.

[0016] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the utility model are described in detail with reference to the drawings. The specific embodiment of the utility model is given in detail by the following examples and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the utility model will become apparent and will be readily understood from the following description, taken in conjunction with the drawings, in which:

[0018] Figure 1 It is a schematic diagram of the main structure in an injection needle assembly for medicament delivery;

[0019] Figure 2 It is a schematic diagram of the connecting structure of two mounting pipes in an injection needle assembly for medicament delivery;

[0020] Figure 3 It is a schematic diagram of the injection needle structure in an injection needle assembly for medicament delivery;

[0021] Figure 4 Figure 1 is a schematic view of the inside structure of a mounting sleeve in an injection needle assembly for medicament delivery;

[0022] Figure 5 Figure 2 is a schematic view of the inside structure of a connecting tube in an injection needle assembly for medicament delivery.

[0023] In the figure: 1, injection needle body; 11, needle tip; 12, needle seat; 13, needle handle; 14, limiting groove; 2, mounting tube; 21, bolt; 22, screw port; 23, connecting tube; 24, limiting block; 25, threaded groove; 3, mounting sleeve; 31, cotton sheath; 32, inclined surface; 33, mounting ring; 34, threaded strip; 35, sealing rubber ring; 4, annular groove. DETAILED DESCRIPTION

[0024] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only to explain the present application, and cannot be understood as a limitation of the present application.

[0025] Please refer to Figures 1-5 The injection needle assembly for medicament delivery comprises an injection needle body 1, which is the body of the injection needle for medicament delivery. The injection needle body 1 comprises a needle tip 11 at the top, a needle seat 12 at the bottom, and a needle handle 13 on the outside. The needle tip 11, the needle seat 12, and the needle handle 13 are the main body structure of the injection needle, and other structures are components of the injection needle, which are used to place and protect the injection needle, and are convenient to carry, i.e., not easy to be damaged. A mounting tube 2 is arranged below the injection needle body 1, and a mounting sleeve 3 is arranged above the injection needle body 1. The mounting tube 2 and the mounting sleeve 3 are the main body structure of the injection needle assembly, which are used to place and protect the injection needle.

[0026] That is, by first placing the needle holder 12 in the mounting tube 2, a connecting tube 23 is provided above the mounting tube 2, the connecting tube 23 is a connecting structure, that is, fixedly connected above the mounting tube 2, a threaded strip 34 is provided on the outside of the bottom of the mounting sleeve 3, a threaded groove 25 is provided on the inside of the connecting tube 23, the threaded strip 34 is in threaded connection with the threaded groove 25, that is, the threaded strip 34 connects the threaded groove 25, so that the mounting sleeve 3 connects the connecting tube 23 and the mounting tube 2, the mounting sleeve 3 is located above the needle handle 13, the mounting tube 2 is located below the needle handle 13, and the connecting tube 23 is located outside the needle handle 13, that is, the needle handle 13 limits the mounting tube 2 and the mounting sleeve 3, so that their positions remain fixed, a limiting block 24 is provided on the inside of the connecting tube 23, limiting grooves 14 are provided around the needle handle 13, the limiting block 24 is in sliding connection with the limiting grooves 14, and when the mounting tube 2 is installed at the bottom of the needle handle 13, the upper limiting block 24 is clamped in the limiting groove 14, so that after the injection needle is placed, the internal injection needle can be fixed and cannot move.

[0027] A mounting ring 33 is provided above the threaded strip 34, the mounting ring 33 is a mounting structure, a sealing rubber ring 35 is provided at the bottom of the mounting ring 33, an annular groove 4 is provided at the top of the connecting tube 23, the sealing rubber ring 35 abuts the annular groove 4, when the connecting tube 23 is connected with the mounting sleeve 3, that is, the sealing rubber ring 35 is attached to the annular groove 4, so as to achieve good sealing effect, a cotton sheath 31 is provided inside the mounting sleeve 3, an inclined surface 32 is provided at the bottom of the cotton sheath 31, the needle tip 11 is placed in the cotton sheath 31 and kept stable when inserted through the inclined surface 32, so that the cotton sheath 31 protects the needle tip 11 to a certain extent, a bolt 21 and a screw opening 22 are respectively provided at the connecting portions of the two mounting tubes 2, the bolt 21 is in threaded connection with the screw opening 22, the same structure is installed on both mounting tubes 2, that is, the bolt 21 connects the screw opening 22, so that the two mounting tubes 2 are connected, that is, it is convenient to carry two injection needles.

[0028] The working principle of the utility model is: through placing the needle base 12 in the installation pipe 2, the installation pipe 2 is below the needle handle 13, the connecting pipe 23 is outside the needle handle 13, through the thread strip 34 connecting the thread groove 25, so that the installation sleeve 3 connects the connecting pipe 23 and the installation pipe 2, and the installation sleeve 3 is above the needle handle 13, namely the needle handle 13 limits the installation pipe 2 and the installation sleeve 3, so that its position keeps fixed, and when the installation pipe 2 is installed at the bottom of the needle handle 13, through the upper limiting block 24 clamping in the limiting groove 14, so that after the injection needle is placed, the internal injection needle can be fixed, so that it cannot move, when the connecting pipe 23 and the installation sleeve 3 are connected, namely through the sealing rubber ring 35 sticking to the annular groove 4, so that good sealing effect is achieved, the needle point 11 is placed in the cotton sheath 31, namely the placement of the injection needle is completed, so that it is protected, and it is convenient to carry, and damage is not prone to occur, through the bolt 21 connecting the screw mouth 22, so that the two installation pipes 2 are connected, namely two injection needles are conveniently carried.

[0029] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. An injection needle assembly for medicament delivery comprising an injection needle body (1), characterized in that: The top of the injection needle body (1) comprises a needle tip (11), the bottom of the injection needle body (1) comprises a needle seat (12), the outside of the injection needle body (1) comprises a needle handle (13), the bottom of the injection needle body (1) is provided with a mounting pipe (2), the top of the mounting pipe (2) is provided with a connecting pipe (23), the top of the injection needle body (1) is provided with a mounting sleeve (3), the bottom outside of the mounting sleeve (3) is provided with a threaded strip (34), the inside of the connecting pipe (23) is provided with a threaded groove (25), and the threaded strip (34) is in threaded connection with the threaded groove (25).

2. An injection needle assembly for use in medicament delivery according to claim 1, characterized in that The connecting portions of the mounting pipes (2) on both sides are respectively provided with bolts (21) and screw openings (22), and the bolts (21) and the screw openings (22) are in threaded connection.

3. An injection needle assembly for use in medicament delivery according to claim 1, characterized in that The inside of the mounting sleeve (3) is provided with a cotton sheath (31), and the bottom of the cotton sheath (31) is provided with an inclined surface (32).

4. An injection needle assembly for use in medicament delivery according to claim 1, characterized in that The needle tip (11) is placed in the cotton sheath (31), and the needle seat (12) is placed in the mounting pipe (2).

5. An injection needle assembly for use in medicament delivery according to claim 1, characterized in that The mounting sleeve (3) is located above the needle handle (13), the mounting pipe (2) is located below the needle handle (13), and the connecting pipe (23) is located outside the needle handle (13).

6. An injection needle assembly for use in medicament delivery according to claim 1, characterized in that The inside of the connecting pipe (23) is provided with a limiting block (24), the periphery of the needle handle (13) is provided with a limiting groove (14), and the limiting block (24) and the limiting groove (14) are in sliding connection.

7. An injection needle assembly for use in medicament delivery according to claim 1, characterized in that The threaded strip (34) is provided with a mounting ring (33) above, and the bottom of the mounting ring (33) is provided with a sealing rubber ring (35).

8. An injection needle assembly for use in medicament delivery according to claim 7, characterized in that The top of the connecting pipe (23) is provided with an annular groove (4), and the sealing rubber ring (35) is butted against the annular groove (4).

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