CN215915981U - Transfusion needle structure and transfusion assembly with same - Google Patents
Transfusion needle structure and transfusion assembly with same Download PDFInfo
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- CN215915981U CN215915981U CN202121318257.3U CN202121318257U CN215915981U CN 215915981 U CN215915981 U CN 215915981U CN 202121318257 U CN202121318257 U CN 202121318257U CN 215915981 U CN215915981 U CN 215915981U
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- needle
- cap
- infusion
- needle body
- needle cap
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Abstract
The utility model discloses an infusion needle structure and an infusion assembly with the same, and mainly realizes shielding or exposure of a needle point on a needle body by arranging a needle cap which can move relative to the needle body. When the needle is used, the medical staff can move the needle body and the needle cap relatively to enable the needle cap to be in the first position and the needle point to be exposed, so that the medical staff can perform corresponding actions. The needle cap is in the second position before use/after needle withdrawal. At the moment, the needle point is shielded by the needle cap, so that the risk of stabbing and scratching of medical staff by the needle point is effectively reduced.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to an infusion needle structure and an infusion assembly with the same.
Background
Medical personnel are exposed to occupational exposure at all times during their work. Wherein most of the exposure risks are from the used infusion needle. The needle point of the transfusion needle is extremely sharp, and meanwhile, the transfusion needle inevitably contacts blood of a patient in the using process. After the needle is pulled out, medical staff is very easy to be punctured and scratched by the needle point of the infusion needle, and further occupational exposure is caused.
SUMMERY OF THE UTILITY MODEL
The application aims at providing an infusion needle structure and an infusion assembly with the same, which can reduce the occupational exposure risk of medical staff.
The scheme adopted by the application to solve the technical problems is as follows:
in a first aspect, the present application provides an infusion needle structure, the structure comprising:
the needle comprises a needle body, wherein one end of the needle body forms a needle point;
the needle cap is cylindrical and is sleeved on the needle body, and the needle cap and the needle body can move relatively along the axial direction of the needle body;
the needle cap is provided with a first position and a second position relative to the needle body, the needle cap in the first position shields the needle point, and the needle cap in the second position exposes the needle point.
In some embodiments of the present application, the structure comprises:
a stop assembly configured to limit relative movement between the needle body and the needle cap when the needle cap is in the first or second position.
In some embodiments of the present application, the limiting assembly includes a first connecting piece and a second connecting piece that are adapted to each other, the first connecting piece is disposed on one of the needle body and the needle cap, the second connecting piece is disposed on the other of the needle body and the needle cap, and the first connecting piece and the second connecting piece are used for being connected in a matching manner when the needle cap is located at the first position, so as to limit the relative movement between the needle body and the needle cap.
In some embodiments of the present disclosure, the first connecting member is a first buckle, and the second connecting member is a second buckle.
In some embodiments of the present application, the limiting component includes a third connecting element and a fourth connecting element that are adapted to each other, the third connecting element is disposed on one of the needle body and the needle cap, the fourth connecting element is disposed on the other of the needle body and the needle cap, and the third connecting element and the fourth connecting element are used for being connected in a matching manner when the needle cap is located at the second position, so as to limit the relative movement between the needle body and the needle cap.
In some embodiments of the present application, the third connector is a third buckle, and the fourth connector is a fourth buckle.
In some embodiments of the present application, the needle cap includes a dial portion that extends in a direction away from the needle body.
In some embodiments of the present application, the structure further comprises:
a needle handle connected on a side of the needle body;
the needle cap is provided with a groove which is communicated along the radial direction of the needle body, the groove is used for the needle handle to penetrate so as to be connected to the needle body, and the groove is also configured to enable the needle handle to move in the groove along the axial direction of the needle body relative to the needle cap.
In some embodiments of the present application, the groove is a sliding fit with the needle shaft.
In a second aspect, the present application provides an infusion assembly comprising an infusion tube and an infusion needle, the infusion needle being as in the first aspect the infusion needle structure.
Due to the adoption of the technical scheme, the beneficial effects realized by the application comprise:
the application the transfusion needle structure that provides and have its infusion subassembly mainly can carry out the needle cap that moves about relatively through the setting, and realize shielding or revealing to needle point on the needle body. When the needle is used, the medical staff can move the needle body and the needle cap relatively to enable the needle cap to be in the first position and the needle point to be exposed, so that the medical staff can perform corresponding actions. The needle cap is in the second position before use/after needle withdrawal. At the moment, the needle point is shielded by the needle cap, so that the risk of stabbing and scratching of medical staff by the needle point is effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an infusion set according to embodiment 1 of the present invention, wherein a needle cap is disposed between a first position and a second position.
Fig. 2 is a schematic structural view of a needle cap in embodiment 1 of the present invention.
[ description of reference ]
1-needle body, 1 a-needle tip;
2-needle cap, 2 a-stirring part, 21-groove;
3-needle handle;
41-a first buckle, 42-a second buckle, 43-a third buckle and 44-a fourth buckle;
5-transfusion tube.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or including indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as exemplary is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the utility model with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles disclosed herein.
Example 1
Referring to fig. 1, the main body of the present embodiment is an infusion set, which includes an infusion tube 5 and an infusion needle structure.
Regarding the infusion needle structure, in the present embodiment, the structure comprises:
the needle comprises a needle body 1, wherein one end of the needle body 1 forms a needle point 1 a;
the needle cap 2 is cylindrical, the needle cap 2 is sleeved on the needle body 1, and the needle cap 2 and the needle body 1 can move relatively in the axial direction of the needle body 1;
the needle cap 2 has a first position and a second position relative to the needle body 1, the needle cap 2 at the first position shields the needle point 1a, and the needle cap 2 at the second position exposes the needle point 1 a.
The transfusion needle structure and the transfusion assembly with the transfusion needle structure provided by the utility model mainly realize shielding or exposure of the needle point 1a on the needle body 1 by arranging the needle cap 2 capable of moving relative to the needle body 1. In use, the medical staff can move the needle body 1 and the needle cap 2 relatively to make the needle cap 2 in the first position and expose the needle point 1a, so that the medical staff can perform corresponding actions. The needle cap 2 is in the second position before use/after needle withdrawal. At this time, the needle point 1a is shielded by the needle cap 2, thereby effectively reducing the risk of the medical staff being punctured or scratched by the needle point 1 a.
It is noted that the needle cap 2 is shown in fig. 1 between the first and second positions and is not moved to either of the first and second positions described above.
The needle cap 2 may be made of a material having a certain flexibility, for example, rubber. However, for the technical scheme of using rubber as the material of the needle cap 2, the needle cap 2 is always in the second position in the transportation process of the whole structure, so that the needle point 1a is very easy to be inserted into the needle cap 2 under the action of external vibration, and further, a certain impurity is adhered to the inner hole of the needle point 1 a. These impurities are easily injected into the patient body at a later stage, and affect the health of the patient. Therefore, in the present embodiment, the needle cap 2 is made of hard plastic, which can effectively prevent impurities from adhering to the inner hole of the needle tip 1 a.
Wherein, if the needle body 1 and the needle cap 2 are configured freely, they are easy to move relatively during the transportation process, which affects the aesthetic degree of the product and the safety of the transportation operator, therefore, in this embodiment, the structure includes:
a stop assembly configured to limit relative movement between the needle body 1 and the needle cap 2 when the needle cap 2 is in the first or second position.
Wherein, spacing subassembly can be spacing to needle body 1, needle cap 2 effectively, and then guarantee the security of whole structure around transportation, use, still effectively ensured the stability of structure in the middle of the use.
In this embodiment, the limiting assembly includes a first connecting piece and a second connecting piece that are matched with each other, the first connecting piece is disposed on one of the needle body 1 and the needle cap 2, the second connecting piece is disposed on the other of the needle body 1 and the needle cap 2, and the first connecting piece and the second connecting piece are used for being connected in a matching manner when the needle cap 2 is located at the first position, so as to limit the relative movement between the needle body 1 and the needle cap 2.
In this embodiment, the first connecting member is specifically disposed on the needle cap 2, and the second connecting member is specifically disposed on the needle body 1, so that the practitioner can specifically select the attachment relationship between the first connecting member and the second connecting member according to his own requirements.
The first connecting piece and the second connecting piece can be a plug and a jack seat which are mutually inserted and matched. However, as for the first connecting piece and the second connecting piece, the first connecting piece and the second connecting piece are limited by the insertion fit between the first connecting piece and the second connecting piece, and the connection is inconvenient to release/establish.
Meanwhile, most of the transfusion needle structures are injection-molded products, the shearing resistance is very limited, and the transfusion needle structures and the injection-molded products are matched in an inserting mode, so that the transfusion needle structures and the injection-molded products can obviously provide very high shearing resistance requirements for the transfusion needle structures and the injection-molded products. Therefore, in this embodiment, the first connecting member is a first buckle 41, the second connecting member is a second buckle 42, and the first buckle 41 and the second buckle 42 are a male buckle and a female buckle, and are connected in a clamping manner.
Similarly, in this embodiment, the limiting component includes a third connecting element and a fourth connecting element that are adapted to each other, the third connecting element is disposed on one of the needle body 1 and the needle cap 2, the fourth connecting element is disposed on the other of the needle body 1 and the needle cap 2, and the third connecting element and the fourth connecting element are configured to be connected in a matching manner when the needle cap 2 is located at the second position, so as to limit the relative movement between the needle body 1 and the needle cap 2. The third connector is a third buckle 43, and the fourth connector is a fourth buckle 44.
The first catch 41 and the second catch 42 may be divided into a first component for limiting in the first position, and the third catch 43 and the fourth catch 44 may be divided into a second component for limiting in the second position. The first component and the second component may have the same or different structures, and the present disclosure is not limited thereto.
Furthermore, in the present embodiment, in order to facilitate the medical staff to move the entire needle cap 2, the needle cap 2 includes a striking part 2a, and the striking part 2a extends in a direction away from the needle body 1. Referring again, the entire dial portion 2a extends along the radial direction of the needle body 1, thereby forming a structure similar to a handle. Meanwhile, the first connecting piece is also arranged on the toggle part 2 a.
The implementer can add on the toggle part 2a and establish structures such as anti-skidding line to promote its stability.
As for the structure of the transfusion needle, a needle handle 3 is generally arranged for medical staff to apply force, so that the needle point 1a can conveniently penetrate into a human body. That is, the above structure should take into account the presence of the needle shaft 3 to avoid interference between the needle cap 2 and the needle shaft 3. Therefore, in this embodiment, the structure further includes:
a needle handle 3, the needle handle 3 being connected to a side portion of the needle body 1;
wherein, the side of the needle cap 2 is provided with a groove 21 penetrating along the radial direction of the needle body 1, the groove 21 is used for the needle handle 3 to penetrate for connecting on the needle body 1, and the groove 21 is also configured to enable the needle handle 3 to move in the groove 21 along the axial direction of the needle body 1 relative to the needle cap 2.
The groove 21 can effectively avoid the interference between the needle handle 3 and the needle cap 2. The groove 21 and the needle shaft 3 may be arranged to be a sliding fit or a clearance fit.
Please refer to fig. 1 and fig. 2, it should be noted that, in the present embodiment, the second position-limiting members and the second position-limiting members are both directly formed on the needle body 1, and the number of the grooves 21 is two and is symmetrically arranged around the entire circumference of the needle body 1. The groove 21 on one side is used for the needle handle 3 to extend into, and the groove 21 on the other side is used for the second limiting member and the third limiting member to extend out.
While the present invention has been described in detail with reference to the embodiments and the specific embodiments thereof, the principles and embodiments of the present invention are described herein with reference to specific embodiments, which are provided merely for the purpose of understanding the method and the core concept of the present invention.
Meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An infusion needle structure, characterized in that the structure comprises:
the needle comprises a needle body, wherein one end of the needle body forms a needle point;
the needle cap is cylindrical and is sleeved on the needle body, and the needle cap and the needle body can move relatively along the axial direction of the needle body;
the needle cap has a first position and a second position relative to the needle body, the needle cap in the first position shields the needle point, and the needle cap in the second position exposes the needle point; the structure includes: a stop assembly configured to limit relative movement between the needle body and the needle cap when the needle cap is in the first or second position;
the limiting assembly comprises a first connecting piece and a second connecting piece which are mutually matched, the first connecting piece is arranged on one of the needle body and the needle cap, the second connecting piece is arranged on the other of the needle body and the needle cap, and the first connecting piece and the second connecting piece are used for being matched and connected when the needle cap is located at the first position so as to limit the relative movement between the needle body and the needle cap;
the first connecting piece is a first buckle, and the second connecting piece is a second buckle.
2. The infusion needle structure according to claim 1, wherein the limiting component comprises a third connecting member and a fourth connecting member which are adapted to each other, the third connecting member is disposed on one of the needle body and the needle cap, the fourth connecting member is disposed on the other of the needle body and the needle cap, and the third connecting member and the fourth connecting member are adapted to be coupled to each other when the needle cap is in the second position so as to limit the relative movement between the needle body and the needle cap.
3. The infusion needle structure according to claim 2, wherein the third connector is a third snap and the fourth connector is a fourth snap.
4. The infusate needle structure of claim 1, wherein the needle cap includes a dial portion that extends in a direction away from the needle body.
5. The infusion needle structure according to claim 1, further comprising:
a needle handle connected on a side of the needle body;
the needle cap is provided with a groove which is communicated along the radial direction of the needle body, the groove is used for the needle handle to penetrate so as to be connected to the needle body, and the groove is also configured to enable the needle handle to move in the groove along the axial direction of the needle body relative to the needle cap.
6. The infusion needle structure according to claim 5, wherein the groove is in sliding engagement with the needle shank.
7. An infusion set comprising an infusion tube and an infusion needle, wherein the infusion needle is an infusion needle arrangement according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121318257.3U CN215915981U (en) | 2021-06-11 | 2021-06-11 | Transfusion needle structure and transfusion assembly with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121318257.3U CN215915981U (en) | 2021-06-11 | 2021-06-11 | Transfusion needle structure and transfusion assembly with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215915981U true CN215915981U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121318257.3U Active CN215915981U (en) | 2021-06-11 | 2021-06-11 | Transfusion needle structure and transfusion assembly with same |
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| Country | Link |
|---|---|
| CN (1) | CN215915981U (en) |
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2021
- 2021-06-11 CN CN202121318257.3U patent/CN215915981U/en active Active
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