Penicillin bottle needle

Abstract

The invention discloses a penicillin bottle needle head which comprises a needle head piece, a flow stopping piece, a buffering piece and a penicillin bottle. Wherein the needle head piece is sleeved with a buffering piece, a flow stopping piece is arranged on the top of the needle head piece and makes contact with the buffering piece, and the bottom of the penicillin bottle is in sliding connection with the top of the needle head piece and makes contact with the flow stopping piece. The penicillin bottle, the flow stopping part, the buffering part and the needle part are combined to form an integrated structure, the penicillin bottle is pressed downwards to drive the flow stopping part to move, the buffering part is compressed, liquid in the penicillin bottle passes through the flow stopping part and enters the needle part to flow out, controllable flowing-out is achieved, the penicillin bottle is reset under the action of the buffering part after use, and the liquid in the penicillin bottle is prevented from flowing out. Therefore, medicine pollution is avoided, operation is convenient and fast, and the problem that medicine is prone to being polluted by impurities is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to a syringe needle. Background Art

[0002] At present, there are some problems with the commonly used needles when extracting liquid medicine from vials during medical treatment. When the traditional needle is inserted into the rubber stopper of the vial, it is easy for the rubber stopper debris to fall off and enter the liquid medicine, which will pollute the liquid medicine and affect the quality of the medicine and the safety of the patient's medication. Moreover, during the process of extracting the liquid medicine, due to the change of pressure in the bottle, the liquid medicine may splash or be extracted poorly, which will bring inconvenience to the operation of medical staff, reduce work efficiency, and may also cause waste of liquid medicine and environmental pollution. Summary of the invention

[0003] The present invention aims to provide a syringe needle to solve the technical problem of being easy to use and avoiding waste of liquid medicine.

[0004] In order to solve the above technical problems, the specific technical solutions of the present invention are as follows:

[0005] In some embodiments of the present application, a syringe needle is provided, comprising: a needle part, a flow stop part, a buffer part and a syringe bottle; wherein the needle part is provided with a buffer part, and a flow stop part is provided on the top of the needle part, the flow stop part is in contact with the buffer part, and the bottom of the syringe bottle is slidably connected with the top of the needle part and in contact with the flow stop part.

[0006] In some embodiments of the present application, the needle component is a combined structure, including: a rebound soft shell, an infusion channel, a needle seat, a needle seat guard plate, and a steel needle; wherein, the rebound soft shell is provided with an installation cavity inside, the needle seat is provided at the bottom of the installation cavity, and is fixedly connected to the rebound soft shell, the needle seat guard plate is provided at the bottom of the needle seat, and is fixedly connected to the needle seat, the steel needle is arranged on the needle seat in a matrix and passes through the needle seat guard plate; a liquid guide channel is provided inside the needle seat; the infusion channel is provided at the top of the needle seat, and a flow channel is provided inside the needle seat, the flow channel is connected to the liquid guide channel, and a first liquid inlet is provided at the top of the flow channel.

[0007] In some embodiments of the present application, the buffer is a spring, which is sleeved on the infusion flow channel, one end of which is connected to the infusion flow, and the other end is connected to the flow stopper. The buffer is a spring, which is sleeved on the infusion flow channel, one end of which is connected to the infusion flow, and the other end is connected to the flow stopper.

[0008] In some embodiments of the present application, the flow stopper is a combined structure, including:

[0009] A stop valve, which is sleeved on the infusion channel and is slidably connected to the infusion channel, and is provided with a second liquid inlet;

[0010] A sealing ring is arranged at the bottom of the stop valve and between the stop valve and the infusion channel.

[0011] Compared with the prior art, the beneficial effect of the present invention lies in that the vial is combined with a flow stopper, a buffer member and a needle member to form an integrated structure, the flow stopper is driven to move by pressing the vial downward, the buffer member is compressed, and the liquid inside the vial passes through the flow stopper and enters the needle member to flow out, thereby achieving controllable outflow. After use, the buffer member resets the vial, so that the flow stopper seals the vial, thereby avoiding drug contamination. Not only is the operation convenient, but also the problem of drugs being easily contaminated by impurities is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0013] Figure 1 A schematic diagram of the overall internal structure provided by an embodiment of the present invention;

[0014] Figure 2 A schematic diagram of the overall structure provided by an embodiment of the present invention; DETAILED DESCRIPTION

[0015] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0016] In order to better understand the purpose, structure and function of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings.

[0017] See attached Figure 1-2 As shown, according to some embodiments of the present application, it includes: a needle part, a flow stop part, a buffer part 6 and a syringe bottle 1; wherein, the buffer part 6 is provided on the needle part, and a flow stop part is provided on the top thereof, the flow stop part is in contact with the buffer part 6, and the bottom of the syringe bottle 1 is slidably connected with the top of the needle part and in contact with the flow stop part.

[0018] It should be noted that the needle head component is a combined structure, including: a rebound soft shell 3, an infusion channel 4, a needle seat 7, a needle seat guard plate 8, and a steel needle 10; wherein, the rebound soft shell 3 is provided with an installation cavity inside, the needle seat 7 is provided at the bottom of the installation cavity, and is fixedly connected to the rebound soft shell 3, the needle seat guard plate 8 is provided at the bottom of the needle seat 7, and is fixedly connected to the needle seat 7, the steel needle 10 is arranged in a matrix on the needle seat 7, and passes through the needle seat guard plate 8 to exit; a liquid guide channel is provided inside the needle seat 7; the infusion channel 4 is provided at the top of the needle seat 7, and is provided with a flow channel inside, the flow channel is connected with the liquid guide channel, and a first liquid inlet is provided at the top of the flow channel, and the rebound soft shell 3 is also provided with a fixing ring 9 at the position of the needle seat guard plate 8, and the needle seat guard plate 8 is fixed by the fixing ring 9.

[0019] The buffer 6 is a spring, which is sleeved on the infusion channel 4, with one end connected to the infusion flow channel and the other end connected to the flow stopper.

[0020] The flow stopper is a combined structure, including:

[0021] The stop valve 2 is sleeved on the infusion channel 4 and is slidably connected to the infusion channel 4. A second liquid inlet is provided on the stop valve 2;

[0022] The sealing ring 5 is arranged at the bottom of the stop valve 2 and between the stop valve 2 and the infusion channel 4 .

[0023] Through the above technical solution, the technical effects produced in the embodiments of the present application are:

[0024] Before use, the assembly is performed according to the above-mentioned installation relationship, and the stop valve 2 is driven to move by pressing the syringe bottle 1 downward, so that the buffer 6 is compressed, and the liquid inside the syringe bottle 1 enters the first liquid inlet of the infusion channel through the second liquid inlet of the stop valve 2 and enters the flow channel through the liquid guide channel and enters the steel needle 10, thereby flowing out, thereby achieving controllable outflow. After use, the buffer 6 is reset to make the stop valve 2 seal the syringe bottle 1, thereby avoiding drug contamination. This is not only convenient to operate, but also avoids the problem of drugs being easily contaminated by impurities.

[0025] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0026] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0027] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0029] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A syringe needle, characterized in that: include: A needle part, a flow stopper, a buffer part and a syringe bottle; wherein the buffer part is sleeved on the needle part, and a flow stopper is provided on the top of the needle part, the flow stopper is in contact with the buffer part, and the bottom of the syringe bottle is slidably connected to the top of the needle part and in contact with the flow stopper.

2. A vial needle according to claim 1, characterized in that: The needle head component is a combined structure, including: a rebound soft shell, an infusion channel, a needle seat, a needle seat guard plate, and a steel needle; wherein, a mounting cavity is provided inside the rebound soft shell, the needle seat is provided at the bottom of the mounting cavity, and is fixedly connected to the rebound soft shell, the needle seat guard plate is provided at the bottom of the needle seat, and is fixedly connected to the needle seat, the steel needle is arranged on the needle seat in a matrix and passes through the needle seat guard plate; a liquid guide channel is provided inside the needle seat; the infusion channel is provided at the top of the needle seat, and a flow channel is provided inside the needle seat, the flow channel is connected to the liquid guide channel, and a first liquid inlet is provided at the top of the flow channel.

3. A vial needle according to claim 1, characterized in that: The buffer is a spring, which is sleeved on the infusion channel, one end of which is connected to the infusion flow channel, and the other end is connected to the flow stopper.

4. A vial needle according to claim 1, characterized in that: The flow stopper is a combined structure, comprising: A stop valve, which is sleeved on the infusion channel and is slidably connected to the infusion channel, and is provided with a second liquid inlet; A sealing ring is arranged at the bottom of the stop valve and between the stop valve and the infusion channel.

Images