CN219231012U

CN219231012U - Anti-needling device

Info

Publication number: CN219231012U
Application number: CN202320225861.4U
Authority: CN
Inventors: 辛钰; 倪雪琴; 姜宁; 陈梅燕
Original assignee: Shandong Weigao Group Medical Polymer Co Ltd
Current assignee: Shandong Weigao Group Medical Polymer Co Ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-23
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses an anti-needling device, which relates to the technical field of medical appliances, and comprises a main body part which is slidably sleeved on a vein needle extension pipe, wherein a containing cavity for containing a vein needle tube is formed in the main body part, and the length of the containing cavity is longer than that of the vein needle tube; one end of the main body part is provided with a bayonet which is used for clamping a connecting column between the vein needle extension tube and the vein needle tube. According to the utility model, through sliding adjustment of the main body part on the vein needle extension tube, the whole vein needle tube can be accommodated in the accommodating cavity when sliding in place, the accommodating cavity forms a protection effect on the vein needle tube, the vein needle tube is prevented from being injured by naked, after the vein needle is used, medical staff only needs to hold the main body part, and then pulls the vein needle seat backwards by the other hand, so that the main body part can slide on the vein needle extension tube until the whole vein needle tube is completely immersed in the accommodating cavity and the connecting column is clamped at the bayonet, and the operation is convenient, simple and easy.

Description

Anti-needling device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an anti-needling device.

Background

Clinical infusion is a common treatment means. In intravenous infusion, the infusion set is typically provided with a intravenous needle for puncturing a vein of a patient. As shown in fig. 1, the main structure of the vein needle comprises a vein needle extension tube a, a vein needle tube b and a connecting column c, wherein part of the vein needle is also provided with a vein needle handle d and a vein needle seat e, and the diameter of the connecting column c is slightly larger than that of the vein needle extension tube a.

After the transfusion is finished, the intravenous needle is recovered and destroyed. In the process of using and destroying the infusion apparatus, the infusion apparatus needs to be treated by a plurality of medical staff, and the infusion apparatus has a great risk of being punctured by a vein needle. The needle tube used by the patient can carry germs due to contacting with the blood of the patient, thereby bringing great potential safety hazard to medical staff. Caregivers are a high risk group for needle sticks, and the incidence of blood-borne diseases caused by needle sticks is higher than other medical workers, and needle sticks have become one of the major safety concerns of caregivers.

At present, a vein needle is provided with a protective sleeve when leaving a factory, the traditional vein needle protective sleeve is generally a cylindrical protective sleeve, and the protective sleeve needs to be taken off when in use and is discarded along with medical wastes such as a sterilized cotton swab or the like or stored independently. After the transfusion is finished, the intravenous needle is collected to a treatment chamber together with the transfusion device for treatment, and in the process, if the needle head of the intravenous needle (i.e. the intravenous needle tube b) is not wrapped, related personnel are extremely easy to be stabbed. For this reason, in the prior art, after the intravenous needle is used, the medical staff has to reload the protective cover again to avoid the surrounding staff from being pricked by the intravenous needle.

However, in the process of reloading the protective sleeve, the medical staff usually needs to pick up the protective sleeve by using the intravenous needle, then hold the protective sleeve by using another hand, reload the protective sleeve, the needle is stabbed in the process with little carelessness, and the medical staff usually wears the glove with both hands, so that the accurate alignment operation between the intravenous needle and the protective sleeve is inconvenient to carry out. And, the protective sheath is also very easy to lose after can demolish from the dish on the vein needle, once losing, then medical personnel need hold the transfusion system that takes naked syringe needle and retrieve to the treatment room, and in this process, the vein needle is very easy to stab medical personnel or surrounding personnel.

Therefore, how to conveniently and easily realize the protection of the used intravenous needle and prevent the intravenous needle from injuring people due to bare parts is a technical problem faced by the person skilled in the art.

Disclosure of Invention

The utility model aims to provide an anti-needling device which can conveniently and easily realize the protection of a used intravenous needle and prevent the intravenous needle from injuring a person by exposure.

In order to solve the technical problems, the utility model provides an anti-needling device, which comprises a main body part which is slidably sleeved on a vein needle extension pipe, wherein a containing cavity for containing a vein needle tube is formed in the main body part, and the length of the containing cavity is longer than that of the vein needle tube; one end of the main body part is provided with a bayonet which is used for clamping a connecting column between the vein needle extension tube and the vein needle tube.

Preferably, a slide way is arranged on the side wall of the main body part and used for sliding the intravenous needle handle on the connecting column.

Preferably, the inner wall of the main body part is provided with a pressing block protruding inwards at the positions of two sides of the slideway and used for pressing the connecting column.

Preferably, a guiding opening is formed in the other end of the main body part, and the guiding opening is used for guiding the intravenous needle handle to slide into the slideway.

Preferably, the other end of the main body part is also provided with an inclined plane for foolproof prompting of the installation direction.

Preferably, the device further comprises a stop plate arranged at one end position of the main body part, and the bayonet is arranged on the stop plate.

Preferably, the bayonet is resilient.

Preferably, the stop plate is detachably connected to the main body.

Preferably, the main body portion is tubular or square.

Preferably, the guide opening is in a trapezoid necking shape.

The utility model provides an anti-needling device which mainly comprises a main body part, a containing cavity and a bayonet. The main body part is the main body structure of the device and is mainly used for installing the rest parts of the device. The main body part is internally provided with the accommodating cavity, so that the main body part forms a tubular structure to be sleeved on the vein needle extension tube and can slide on the vein needle extension tube to adjust the specific sleeved position. Meanwhile, the length of the accommodating cavity is larger than that of the vein needle tube, so that when the main body part slides to a preset position on the vein needle extension tube, the whole vein needle tube is completely accommodated, and a protective effect is formed on the vein needle tube. The bayonet is arranged at one end of the main body part and is mainly used for clamping a connecting column between the vein needle extension tube and the vein needle tube when the main body part slides in place so as to fix the whole vein needle extension tube and the vein needle tube at the current position, namely the vein needle tube is contained in the containing cavity at the moment. Therefore, the anti-needling device provided by the utility model can contain the whole vein needle tube through the containing cavity when the main body part is slid in place through sliding adjustment on the vein needle extension tube, the containing cavity forms a protection effect on the vein needle tube, the vein needle tube is prevented from injuring people by naked, and meanwhile, the relative position relation between the whole vein needle and the main body part is fixed through clamping the connecting column by the bayonet, so that the vein needle tube is prevented from easily falling out of the containing cavity. Compared with the prior art, after the intravenous needle is used, medical staff only needs to hold the main body part, then pulls the intravenous needle seat backwards by using the other hand, and can slide the main body part on the intravenous needle extension tube until the whole intravenous needle tube is completely immersed into the accommodating cavity and the connecting column is clamped at the bayonet, so that the operation is convenient, simple and feasible.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view showing a specific structure of a prior art intravenous needle.

Fig. 2 is a schematic diagram of an assembly structure of an anti-puncture device and a venous needle according to an embodiment of the present utility model.

Fig. 3 is a schematic view of the intravenous needle shown in fig. 2 assembled with an anti-lancing device after use.

Fig. 4 is a top view illustrating a structure of an anti-needling apparatus according to an embodiment of the present utility model.

Fig. 5 is a longitudinal sectional view of fig. 4.

Fig. 6 is a right side view of fig. 4.

Wherein, in fig. 1-6:

an intravenous needle extension tube-a, an intravenous needle tube-b, a connecting column-c, an intravenous needle handle-d and an intravenous needle seat-e;

the device comprises a main body part-1, a containing cavity-2, a bayonet-3, a slideway-4, a compression block-5, a guide opening-6, an inclined plane-7 and a stop plate-8.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 2 and 3, fig. 2 is a schematic diagram illustrating an assembly structure of the anti-piercing device and the intravenous needle according to an embodiment of the present utility model, and fig. 3 is a schematic diagram illustrating an assembly of the intravenous needle shown in fig. 2 and the anti-piercing device after use.

In one embodiment of the present utility model, the anti-needling apparatus mainly comprises a main body 1, a receiving cavity 2 and a bayonet 3.

The main body 1 is a main body structure of the device and is mainly used for installing other parts of the device. The main body 1 is provided with a containing cavity 2, so that the main body 1 forms a tubular structure to be sleeved on the vein needle extension tube a and can slide on the vein needle extension tube a to adjust the specific sleeved position. Meanwhile, the length of the accommodating chamber 2 is longer than that of the vein needle tube b so as to completely accommodate the whole vein needle tube b when the body part 1 is slid to a preset position on the vein needle extension tube a, thereby forming a protective effect on the vein needle tube b.

The bayonet 3 is arranged at one end of the main body 1, and is mainly used for clamping a connecting column c between the vein needle extension tube a and the vein needle tube b when the main body 1 slides in place so as to fix the whole vein needle extension tube a and the vein needle tube b at the current position, wherein the vein needle tube b is contained in the containing cavity 2. The bayonet 3 is in particular circular-hole-shaped to cooperate with a connecting post c of cylindrical shape. Generally, the diameter of the connecting column c is slightly larger than that of the intravenous needle extension tube a, and is slightly larger than the inner diameter of the bayonet 3, but the connecting column c is a plastic product and has elasticity, so that the connecting column c can be clamped in the bayonet 3 through a certain degree of elastic deformation to form interference fit.

So, the anti-needling device provided by this embodiment, through the slip regulation of main part 1 on vein needle extension pipe a, can all hold whole vein needle tubing b in place through holding chamber 2 when sliding, form the protective effect by holding chamber 2 to vein needle tubing b, avoid vein needle tubing b to expose the injury people, clamp spliced pole c through bayonet socket 3 simultaneously, it is fixed with the relative positional relationship of whole vein needle and main part 1, ensure that vein needle tubing b can not deviate from easily and hold chamber 2.

Compared with the prior art, after the intravenous needle is used, medical staff only needs to hold the main body part 1, then pulls the intravenous needle seat e backwards by the other hand, and can slide the main body part 1 on the intravenous needle extension tube a until the whole intravenous needle tube b is completely immersed into the accommodating cavity 2 and the connecting column c is clamped at the bayonet 3, so that the operation is convenient, simple and easy.

As shown in fig. 4, 5 and 6, fig. 4 is a top view of a structure of an anti-needling apparatus according to an embodiment of the present utility model, fig. 5 is a longitudinal sectional view of fig. 4, and fig. 6 is a right side view of fig. 4.

In an alternative embodiment of the main body 1, the main body 1 is generally tubular, and the cross-sectional shape is particularly rectangular or circular, i.e. circular or square. Of course, the specific shape of the main body portion 1 is not fixed, and for example, the cross-sectional shape may also be polygonal or irregular.

In addition, considering that in the structure of a part of the vein needle, a vein needle handle d is provided on the connecting post c, in order to avoid the movement interference of the vein needle handle d on the main body 1 when the main body 1 slides on the vein needle extension tube a, a slide 4 is added in the present embodiment. Specifically, the slideway 4 is opened on the side wall of the main body 1, and extends along the length direction or the axial direction of the main body 1, and the tail end of the slideway 4 can be sealed or unsealed, and is mainly used for being matched with the intravenous needle handle d so as to enable the intravenous needle handle d to slide in the slideway 4.

In order to strengthen the clamping effect of the bayonet 3 on the connecting column c, a compression block 5 is additionally arranged in the embodiment. Specifically, the compression block 5 is disposed on the inner wall of the main body 1 and located at two sides of the slide 4, and two compression blocks are generally disposed at the same time, and the compression block 5 extends inward to form a convex structure, and is mainly used for compressing the outer circumferential surface of the connecting column c, acting together with the clamping action of the bayonet 3 on the connecting column c, so as to enhance the clamping stability of the connecting column c, and meanwhile, after the connecting column c is compressed by the compression block 5 from a specific direction (the direction from the side wall where the slide 4 is located to the opposite side wall), the vein needle tube b is difficult to tilt and extend out of the slide 4.

Considering that the intravenous needle handle d is generally located at a certain distance from the front end of the main body 1 in a state before the intravenous needle is used, when the intravenous needle extension tube a is pulled backwards, the intravenous needle handle d gradually retreats and enters the slideway 4, so as to ensure that the intravenous needle handle d can stably and smoothly enter the slideway 4 and avoid the phenomenon of motion clamping stagnation, in the embodiment, a guiding opening 6 is formed at the front end of the slideway 4, so that the intravenous needle handle d is guided to smoothly slide into the slideway 4 through the guiding effect of the guiding opening 6 on the intravenous needle handle d.

Generally, the specific shape of the guide opening 6 is a trapezoid necking shape or a Y-shaped structure, which is equivalent to that a chamfer is provided at the head end position of the side walls at two sides of the slideway 4, so as to be abutted with the intravenous needle handle d by using the chamfer structure, and the intravenous needle handle d is driven to automatically slide into the middle area of the slideway 4 by using the abutment force of the two sides inwards. Of course, the guide opening 6 may also be arc-shaped and necked, etc.

In addition, in this embodiment, the inclined surface 7 or the wedge-shaped surface is further provided at the head end of the main body 1, and the inclined surface 7 has a certain inclination angle, which is equivalent to a notch surface formed by cutting a part of the head end of the main body 1, so that the guiding function of the guiding opening 6 can be enhanced to avoid interference to the intravenous needle handle d, and the head end and the tail end of the main body 1 can be different in shape to prevent the installation direction from being fooled, so that the intravenous needle is prevented from being reversely installed in the main body 1 in the assembling process.

In an alternative embodiment of the bayonet 3, the bayonet 3 may be provided directly on the end face of the body 1 or may be provided by a stop plate 8. Specifically, in the present embodiment, the stop plate 8 is disposed at one end (far from the opening end of the slideway 4 or near the end of the slideway 4) of the main body 1, specifically on the end face of the end of the main body 1, and the bayonet 3 is disposed on the stop plate 8, generally at the center of the stop plate 8.

In general, the stop plate 8 may be adhered to the end surface of the main body 1 by an adhesive or the like, or may be integrally formed with the end surface of the main body 1. Of course, the stop plate 8 may also be detachably connected to the end surface of the main body 1, for example by a fastener such as a screw.

Further, considering that the connection post c in a part of the intravenous needle may have insufficient elastic properties due to different materials, it is difficult to generate elastic deformation and clamp with the bayonet 3, for this, in this embodiment, the bayonet 3 is specifically an elastic member, or the stop plate 8 is specifically an elastic member, so that when the connection post c passes through the bayonet 3, the connection post c is clamped by the elastic deformation of the bayonet 3 itself. In general, the stopper plate 8 may be made of polyurethane plate, hard rubber plate, or the like.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The anti-needling device is characterized by comprising a main body part (1) which is sleeved on a vein needle extension tube (a) in a sliding manner, wherein a containing cavity (2) for containing a vein needle tube (b) is formed in the main body part (1), and the length of the containing cavity (2) is larger than that of the vein needle tube (b); one end of the main body part (1) is provided with a bayonet (3), and the bayonet (3) is used for clamping a connecting column (c) between the vein needle extension tube (a) and the vein needle tube (b).

2. The anti-needling device according to claim 1, characterized in that the side wall of the body part (1) is provided with a slideway (4) for sliding the intravenous needle handle (d) on the connecting column (c).

3. The needling prevention device according to claim 2, characterized in that the inner wall of the main body part (1) is provided with pressing blocks (5) inwards protruding at the positions of two sides of the slideway (4) for pressing the connecting column (c).

4. The anti-needling device according to claim 2, characterized in that the other end of the body part (1) is provided with a guiding opening (6) for guiding the intravenous needle handle (d) to slide into the slideway (4).

5. The needling prevention device according to claim 4, characterized in that the other end of the main body part (1) is also provided with an inclined surface (7) for foolproof indication of the installation direction.

6. The needling prevention device of any of claims 1-5, further comprising a stop plate (8) provided at one end of the body portion (1), the bayonet (3) being open on the stop plate (8).

7. An anti-needling device according to claim 6, characterized in that the bayonet (3) is elastic.

8. The anti-needling device of claim 6, characterized in that the stop plate (8) is detachably connected to the main body (1).

9. The needling prevention device of claim 1, characterized in that the body part (1) is in the shape of a circular or square tube.

10. The needling prevention device of claim 4, wherein the guide opening (6) is in the form of a trapezoidal constriction.