CN220676085U

CN220676085U - Venipuncture device

Info

Publication number: CN220676085U
Application number: CN202321134456.8U
Authority: CN
Inventors: 韦苇; 蒋丽芳
Original assignee: Nanning Fourth People's Hospital
Current assignee: Nanning Fourth People's Hospital
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2024-03-29
Anticipated expiration: 2033-05-11

Abstract

The utility model relates to the field of puncture, in particular to a venipuncture device. The utility model discloses a puncture needle which comprises a puncture needle and a joint groove fixedly connected to the end part of the puncture needle, wherein an extension tube is arranged on the surface of the puncture needle, the extension tube slides on the surface of the puncture needle, a symmetrical slot hole is formed in a quadrant point of the extension tube, which is close to the center, a dustproof tube is arranged on the surface of the extension tube, a symmetrical through groove is formed in a quadrant point of the dustproof tube, which is close to the center, the through groove and the slot hole have the same size, and a button is clamped between the through groove and the slot hole.

Description

Venipuncture device

Technical Field

The utility model relates to the field of puncture, in particular to a venipuncture device.

Background

When the disposable venipuncture bag which is popular in clinic is used for deep vein puncture and catheterization, firstly, a steel needle connected with a special syringe is used for puncturing human skin, and when the steel needle punctures a blood vessel and the syringe is withdrawn to see dark red blood, the vein blood vessel is judged to be correctly punctured; then fixing the steel needle, introducing the guide steel wire into a hole reserved at one end of the special injector, pushing the guide steel wire into the deep vein along the inner hole of the steel needle, pulling out the steel needle after a certain distance, and leaving the guide steel wire in the vein, thereby playing a role in guiding the deep vein catheter to be inserted into the vein; and then the special injector and the steel needle are extracted, the skin dilator is sleeved along the guide steel wire, the dilator is extracted after the skin is widened, the intravenous catheter can be placed into a blood vessel along the guide steel wire, and finally the guide steel wire is extracted. The above operation flow is relatively complex.

The deep vein puncture device with the publication number of CN214805209U comprises a puncture needle, wherein one end of the puncture needle is provided with a connecting part which is connected with a syringe, and the other end of the puncture needle can be penetrated into a human body; the expander is sleeved on the puncture needle; the driving mechanism is arranged on the connecting part and is in driving connection with the expander so as to drive the expander to slide along the length direction of the puncture needle.

However, in the puncture process, the expander of the puncture device is always exposed in the air, some fine particles and dust in the air are easy to adhere to the surface of the expander, and when the expander is inserted into a vein, the dust on the surface of the expander is easy to cause wound infection, so that the puncture operation is not easy to be carried out, and the needle head is always inserted into the vein, so that the subsequent operation is not easy to be carried out, therefore, the intravenous puncture device is proposed.

Disclosure of Invention

The present utility model is directed to a venipuncture apparatus that solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the utility model provides a venipuncture device, which comprises a puncture needle and a joint groove fixedly connected to the end part of the puncture needle, wherein an extension tube is arranged on the surface of the puncture needle, the extension tube slides on the surface of the puncture needle, a symmetrical through hole is arranged at a quadrant point of the extension tube near the center, a dustproof tube is arranged on the surface of the extension tube, a symmetrical through groove is arranged at a quadrant point of the dustproof tube near the center, the through groove has the same size as the through hole, and a button is clamped between the through groove and the through hole.

As a further improvement of the technical scheme, an elastic piece is arranged between the bottom of the button and the slotted hole and is used for compressing the button to the inner wall of the dustproof pipe.

As a further improvement of the technical scheme, the end face of the puncture needle is provided with a scale groove which is used for intuitively observing the length of the puncture needle inserted into the vein.

As a further improvement of the technical scheme, the end face of the joint groove is provided with a rubber gasket, and the rubber gasket is tightly attached when the joint groove is connected with the injection tube.

As a further improvement of the technical scheme, auxiliary plates are arranged at symmetrical quadrant points of the side edges of the joint grooves, and through grooves are formed in the surfaces of the auxiliary plates.

As a further improvement of the technical scheme, the end face of the through groove is provided with an air bag, and the air bag is of a hollow structure.

Compared with the prior art, the utility model has the beneficial effects that:

in this vein puncture device, through inserting the pjncture needle syringe needle in the vein, slide in the extension pipe tip of pjncture needle surface inserts in the vein hole along pinhole department, inwards press the button of extension pipe and dustproof pipe joint in quadrant point department, the button falls in the slotted hole of extension pipe, extension pipe and dustproof pipe separation, insert extension pipe along pinhole department to the inside vein, this is favorable to inserting the extension pipe in the vein, prevents that its surface from adhering with the dust, leads to pjncture needle hole department infection, directly takes out the pjncture needle after the extension pipe inserts the vein, convenient follow-up operation.

Drawings

FIG. 1 is a view showing the overall construction of embodiment 1 of the present utility model;

FIG. 2 is a cross-sectional view showing the overall structure of embodiment 1 of the present utility model;

fig. 3 is an enlarged view of structure a of embodiment 1 of the present utility model;

the meaning of each reference sign in the figure is: 1. a puncture needle; 11. a scale groove; 2. an expansion tube; 21. a slot hole; 3. a dust-proof tube; 31. a through hole; 4. a button; 5. an elastic member; 6. a joint groove; 7. an auxiliary plate; 71. a through groove; 8. an air bag.

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.

Examples

Referring to fig. 1-3, the present embodiment provides a venipuncture device, which includes a puncture needle 1, the puncture needle 1 and a joint groove 6 fixedly connected to the end of the puncture needle 1, the surface of the puncture needle 1 is provided with an extension tube 2, the extension tube 2 slides on the surface of the puncture needle 1, a quadrant point of the extension tube 2 near the center is provided with a symmetrical slot 21, the surface of the extension tube 2 is provided with a dustproof tube 3, the quadrant point of the dustproof tube 3 near the center is provided with a symmetrical through hole 31, the size of the through hole 31 is the same as that of the slot 21, a button 4 is clamped between the through hole 31 and the slot 21, therefore, in order to prevent dust from adhering to the surface of the extension tube 2 in the puncture process and causing wound infection, the end of the extension tube 2 sliding on the surface of the puncture needle 1 is inserted into a vein hole along the needle hole, the button 4 clamped at the quadrant point of the extension tube 2 and the dustproof tube 3 is pressed inwards, the button 4 falls into the quadrant point of the extension tube 2, the extension tube 2 is separated from the dustproof tube 3, the extension tube 2 is inserted into the vein along the quadrant point, the vein hole is beneficial to prevent dust adhering to the surface from adhering to the slot 21, and the needle hole from directly causing the infection after the puncture needle 1 is inserted into the vein hole, and the puncture needle 1 is directly removed after the operation is convenient.

The utility model is particularly used when: through inserting pjncture needle 1 syringe needle in the vein, slide in the extension pipe 2 tip of pjncture needle 1 surface inserts in the vein hole along pinhole department, inwards press extension pipe 2 and dustproof pipe 3 joint button 4 in quadrant point department, button 4 falls in extension pipe 2's slotted hole 21, extension pipe 2 separates with dustproof pipe 3, insert extension pipe 2 along pinhole department to the inside vein, this is favorable to inserting extension pipe 2 in the vein, prevent that its surface from adhering with the dust, lead to pinhole department infection, after extension pipe 2 inserts the vein, directly take out pjncture needle 1, convenient follow-up operation.

Considering that the clamping is carried out on the expansion tube 2 and the dustproof tube 3 quadrant point button 4, the expansion tube 2 and the dustproof tube 3 are easily separated due to the fact that the expansion tube 2 and the dustproof tube 3 are easily slipped to the position of the slotted hole 21 of the expansion tube 2, the expansion tube 2 is exposed in the air, dust is easily attached to the expansion tube 2, therefore, an elastic piece 5 is arranged between the bottom of the button 4 and the slotted hole 21, the elastic piece 5 is used for compressing the button 4 to the inner wall of the dustproof tube 3, the expansion tube 2 and the dustproof tube 3 are prevented from being separated when not in use, the surface of the expansion tube 2 is polluted by dust, and the puncture needle 1 is directly taken out after the expansion tube 2 is inserted into a vein, so that the subsequent operation is convenient.

Considering that some practical nursing is in operation, the depth of the insertion of the puncture needle 1 cannot be intuitively felt, the puncture needle 1 is easy to puncture the vein surface layer, the vein surface layer is wrongly pricked for many times, and the operation delay is possibly caused, therefore, the end face of the puncture needle 1 is provided with the scale groove 11, the scale groove 11 is used for intuitively observing the length of the insertion of the puncture needle 1 into the vein, and the damage to the cortex caused by the deep insertion of the puncture needle 1 can be effectively avoided by observing the scale of the insertion of the scale groove 11 into the vein.

Because the joint groove 6 needs to be connected with the injection tube, in order to avoid the gap at the joint position to influence the use, the end face of the joint groove 6 is provided with the rubber gasket 9, and the rubber gasket 9 is tightly attached when being used for connecting the joint groove 6 with the injection tube, so that the joint groove 6 is effectively prevented from being connected with the injection tube, and a gap exists.

In order to facilitate the insertion of the puncture needle 1 into a vein, therefore, the symmetrical quadrant points of the side edges of the joint groove 6 are provided with auxiliary plates 7, the surfaces of the auxiliary plates 7 are provided with through grooves 71, fingers are conveniently clamped in the through grooves 71, the inconvenient pinching caused by smooth surfaces of the joint groove 6 is effectively prevented, and the puncture efficiency is improved.

Considering that the finger is easy to be tired due to the small contact surface when the finger is clamped in the through groove 71, the air bag 8 is arranged on the end surface of the through groove 71, and the air bag 8 is of a hollow structure, so that the finger fatigue can be relieved when the finger is clamped in the air bag 8.

When the intravenous puncture device is specifically used, the needle head of the puncture needle 1 is inserted into a vein, the end part of the expansion tube 2 sliding on the surface of the puncture needle 1 is inserted into a vein hole along a needle hole, the button 4 which is clamped at a quadrant point between the expansion tube 2 and the dustproof tube 3 is pressed inwards, the button 4 falls into the slotted hole 21 of the expansion tube 2, the expansion tube 2 is separated from the dustproof tube 3, and the expansion tube 2 is inserted into the vein along the needle hole, so that the expansion tube 2 is favorably inserted into the vein, dust is prevented from adhering to the surface of the expansion tube 2, the needle hole is infected, the puncture needle 1 is directly taken out after the expansion tube 2 is inserted into the vein, and the subsequent operation is convenient.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A venipuncture apparatus comprising a puncture needle (1), characterized in that: puncture needle (1) and fixed connection connect groove (6) at puncture needle (1) tip, puncture needle (1) surface is equipped with extension pipe (2), extension pipe (2) slip is on puncture needle (1) surface, extension pipe (2) are close to center department quadrant point and are equipped with symmetrical slotted hole (21), extension pipe (2) surface is equipped with dustproof pipe (3), dustproof pipe (3) are close to center department quadrant point and are equipped with symmetrical through-hole (31), through-hole (31) are the same with slotted hole (21) size, joint has button (4) between through-hole (31) and slotted hole (21).

2. The venipuncture apparatus as claimed in claim 1, wherein: an elastic piece (5) is arranged between the bottom of the button (4) and the slotted hole (21), and the elastic piece (5) is used for compressing the button (4) to the inner wall of the dustproof pipe (3).

3. The venipuncture apparatus as claimed in claim 1, wherein: the end face of the puncture needle (1) is provided with a scale groove (11), and the scale groove (11) is used for intuitively observing the length of the puncture needle (1) inserted into a vein.

4. The venipuncture apparatus as claimed in claim 1, wherein: the end face of the joint groove (6) is provided with a rubber gasket (9), and the rubber gasket (9) is tightly attached when the joint groove (6) is connected with the injection tube.

5. The venipuncture apparatus as claimed in claim 4, wherein: auxiliary plates (7) are arranged at symmetrical quadrant points of the side edges of the joint grooves (6), and through grooves (71) are formed in the surfaces of the auxiliary plates (7).

6. The venipuncture apparatus as claimed in claim 5, wherein: an air bag (8) is arranged on the end face of the through groove (71), and the air bag (8) is of a hollow structure.