CN211675690U

CN211675690U - Transfusion needle structure

Info

Publication number: CN211675690U
Application number: CN201922411155.5U
Authority: CN
Inventors: 姜晓芳; 姜波; 舒小梅
Original assignee: Nanjing Yuzhang Information Technology Co ltd
Current assignee: Nanjing Yuzhang Information Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-10-16
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a transfusion needle structure contains syringe needle, connector and transfer line, the connector both ends are connected the syringe needle with the transfer line, wherein, the connector contains stationary blade and connecting pipe, the stationary blade symmetry sets up the both sides of connecting pipe, the connecting pipe communicates with each other for both ends, and inside is equipped with the passageway that supplies the liquid medium circulation, the connecting pipe is close to the inside flexion that evenly is equipped with of syringe needle one end, just flexion one end is hugged closely the connecting pipe inner wall, the other end to the central line that the axial direction was followed to the connecting pipe is close to, and to transfer line one side is extended, and prior art compares, and this structural design is reasonable, and convenient operation can raise the efficiency.

Description

Transfusion needle structure

Technical Field

The utility model relates to the field of medical treatment, in particular to transfusion needle structure.

Background

Along with the development of science and technology, the medical industry has made rapid progress, for example, in order to make the surgical staff recover fast, often need to carry out infusion treatment to patient, when the infusion, need use the infusion syringe needle, but everyone's vascular diameter exists the difference, especially meet the patient that the vascular diameter is little, need change the little syringe needle of diameter and insert in to patient's blood vessel, carry out the infusion, because syringe needle and pipe fixed connection, when changing the small diameter syringe needle, need change whole syringe needle and pipe together, the design is unreasonable, be not convenient for operate, influence work efficiency.

Therefore, how to provide a transfusion needle structure which has reasonable design, convenient operation and improved efficiency is the problem to be solved at present.

Disclosure of Invention

The utility model aims at providing an infusion needle structure, reasonable in design, convenient operation can raise the efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an infusion needle structure, contains the syringe needle, connector and transfer line, the connector both ends are connected the syringe needle with the transfer line, wherein, the connector contains stationary blade and connecting pipe, the stationary blade symmetry sets up the both sides of connecting pipe, the connecting pipe communicates with each other for both ends, and inside is equipped with the passageway that supplies the liquid medium circulation, the connecting pipe is close to the inside flexion that evenly is equipped with of syringe needle one end, just flexion one end is hugged closely the connecting pipe inner wall, the other end to the connecting pipe is close to along axial direction's central line, and to transfer line one side extends.

Furthermore, the fixing piece is of a rectangular structure, is close to the end of the infusion tube and is far away from one side of the needle head, and a notch is arranged on one side of the needle head, and the shape of the notch is of a triangular structure.

Furthermore, the peripheral chamfer of the fixing piece is an arc chamfer.

Further, the shape of the bending part is similar to an L-shaped structure.

Further, the length of the connecting pipe in the axial direction is greater than that of the fixing piece.

Furthermore, a bonding adhesive tape is arranged on the fixing piece, and a protective layer is arranged on the bonding surface of the bonding adhesive tape.

Furthermore, the protective layer and the bonding adhesive tape are mutually attached, and the surface area of the protective layer is larger than that of the bonding adhesive tape.

Furthermore, the infusion tube is made of polyethylene.

Furthermore, a fixing cap is arranged on the needle head.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of transfusion needle structure comprises syringe needle, connector and transfer line, the connector both ends are connected the syringe needle with the transfer line, wherein, the connector contains stationary blade and connecting pipe, the stationary blade symmetry sets up the both sides of connecting pipe, the connecting pipe communicates with each other for both ends, and inside is equipped with the passageway that supplies the liquid medium circulation, the connecting pipe is close to the inside flexion that evenly is equipped with of syringe needle one end, just flexion one end is hugged closely the connecting pipe inner wall, the other end to the connecting pipe is close to along axial direction's central line, and to transfer line one side is extended. Whole infusion needle structure comprises syringe needle, connector and transfer line triplex, connects syringe needle and transfer line through the connecting pipe both ends, conveniently dismantles syringe needle and transfer line, is convenient for change. Because the stationary blade symmetry sets up the both sides of connecting pipe, through install the stationary blade additional and increase the area of contact with patient's infusion position, avoid the connecting pipe to appear rocking, guarantee infusion safety. Simultaneously because the connecting pipe is close to the inside flexion that evenly is equipped with of syringe needle one end, just flexion one end is hugged closely the connecting pipe inner wall, the other end to the connecting pipe is close to along axial direction's central line, and to transfer line one side is extended, and the flexion extrudees the syringe needle, conveniently fixes the syringe needle, and when needs change syringe needle simultaneously, the syringe needle can be followed in the flexion and extracted, changes the syringe needle of different diameters, and whole structural design is reasonable, and convenient operation can raise the efficiency.

Drawings

FIG. 1 is a schematic view of the structure of the infusion needle of the present invention;

FIG. 2 is a perspective view of the connecting tube of the present invention;

fig. 3 is a top view of the connecting tube of the present invention;

fig. 4 is a schematic structural view of the bending portion of the present invention;

FIG. 5 is a schematic view of the structure of the fixing sheet, adhesive tape and protective layer of the present invention;

fig. 6 is a top view of the adhesive tape and the protective layer according to the present invention.

Description of reference numerals:

1 needle 2 transfusion tube

3 fixed piece 4 connecting pipe

5 bent part 6 notch

7 adhesive tape 8 protective layer

And 9, fixing the cap.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the spirit of the present invention will be described in detail with reference to the accompanying drawings, and any person skilled in the art can change or modify the techniques taught by the present invention without departing from the spirit and scope of the present invention after understanding the embodiments of the present invention.

The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention. Additionally, the same or similar numbered elements/components used in the drawings and the embodiments are used to represent the same or similar parts.

As used herein, the terms "first," "second," …, etc. do not denote any order or sequential importance, nor are they used to limit the invention, but rather are used to distinguish one element from another or from another element or operation described in the same technical language.

With respect to directional terminology used herein, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology used is intended to be illustrative and is not intended to be limiting of the present teachings.

As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.

As used herein, "and/or" includes any and all combinations of the described items.

As used herein, the terms "substantially", "about" and the like are used to modify any slight variation in quantity or error that does not alter the nature of the variation. Generally, the range of slight variations or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. It should be understood by those skilled in the art that the aforementioned values can be adjusted according to actual needs, and are not limited thereto.

Certain words used to describe the present application are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the present application.

The embodiment of the utility model provides an infusion needle structure, as in fig. 1, fig. 2, fig. 3 and fig. 4 are shown, contain syringe needle 1, connector and transfer line 2, syringe needle 1 and transfer line 2 are connected at the connector both ends, wherein, the connector contains stationary blade 3 and connecting

pipe

4, 3 symmetries of stationary blade set up in the both sides of connecting pipe 4, connecting pipe 4 communicates with each other for both ends, inside is equipped with the passageway that supplies the flow of liquid medium, connecting pipe 4 is close to 1 one end of syringe needle inside evenly is equipped with

flexion

5, and 4 inner walls of connecting pipe are hugged closely to 5 one end of flexion, the other end is close to along axial direction's central line to connecting pipe 4, and extend to 2.

Specific saying so, this kind of transfusion needle structure is by syringe needle 1, connector and transfer line 2 are constituteed, syringe needle 1 and transfer line 2 are connected at the connector both ends, wherein, the connector contains stationary blade 3 and connecting pipe 4, the 3 symmetry of stationary blade sets up the both sides at connecting pipe 4, connecting pipe 4 communicates with each other for both ends, inside is equipped with the passageway that supplies the liquid medium circulation, connecting pipe 4 is close to 1 one end inside evenly being equipped with flexion 5 of syringe needle, and 4 inner walls of connecting pipe are hugged closely to 5 one end of flexion, the other end is close to 4 central lines along axial direction of connecting pipe, and extend to 2 one side. Whole infusion needle structure comprises syringe needle 1, connector and 2 triplexes of transfer line, and liquid is through looping through transfer line 2, later gets into the syringe needle behind the connector, finally gets into patient's blood vessel through the syringe needle, connects syringe needle 1 and transfer line 2 through 4 both ends of connecting pipe, conveniently dismantles syringe needle 1 and transfer line 2, the change of being convenient for. Because the stationary blade 3 symmetry sets up in the both sides of connecting pipe 4, through installing stationary blade 3 additional and increase the area of contact with patient's infusion position, avoid connecting pipe 4 to appear rocking, and then guarantee that syringe needle 1 is stable, guarantee infusion safety. Simultaneously because connecting pipe 4 is close to 1 one end of syringe needle inside evenly is equipped with

flexion

5, and 4 inner walls of connecting pipe are hugged closely to 5 one ends of flexion, the other end is close to along axial direction's central line to connecting pipe 4, and extend to 2 one sides of transfer line, flexion 5 extrudes syringe needle 1, conveniently fix syringe needle 1, when needs change syringe needle 1, syringe needle 1 can be followed in the flexion 5 and extracted, change syringe needle 1 of different diameters, whole structural design is reasonable, convenient operation, can improve efficiency.

It should be noted that, for convenience of fixing, the fixing piece 3 is conveniently bent, for example, the fixing piece 3 is a rectangular structure, and a notch 6 is provided at a side close to the infusion tube 2 and far away from the needle 1, for example, the notch has a triangular shape. Further, in order to prevent the patient from being scratched by the periphery of the fixing piece, for example, the peripheral chamfer of the fixing piece 3 is an arc chamfer, and due to the arrangement of the arc chamfer, the contact area is increased, and the risk that the patient is scratched is reduced.

In addition, as shown in fig. 1 and 4, in order to fix the needle 1 at the bending part 5 and ensure that the needle is fixed firmly, the bending part may be shaped like an L-shaped structure. It should be mentioned that, as shown in fig. 1, in order to ensure the cleanliness and hygiene of the needle 1, a fixed cap 9 is provided on the unused needle 1.

In the present embodiment, in order to facilitate observation of whether the connection tube 4 is connected to the needle 1 during the infusion, for example, the length of the connection tube 4 in the axial direction is longer than the length of the fixing piece 3.

It is worth mentioning that, in order to fix the connector conveniently, the adhesive tape 7 is arranged on the fixing piece 4, so that the medical staff can use the connector conveniently, meanwhile, in order to avoid the adhesive tape 7 from bonding other impurities when not in use, the protective layer 8 is arranged on the bonding surface, and only the protective layer needs to be uncovered when in use, so that the bonding surface of the adhesive tape 7 is connected with the skin of a patient.

Note that, as shown in fig. 5 and 6, in order to facilitate the use of the adhesive tape 7, the protective layer 8 and the adhesive tape 7 are adhered to each other, and the surface area of the protective layer 8 is larger than that of the adhesive tape 7.

In order to reduce the weight of the infusion tube 2 and facilitate folding, the infusion tube 2 is made of polyethylene, for example.

One or more of the above embodiments or a portion of one embodiment and a portion of another embodiment or embodiments may be combined with each other and have corresponding technical effects.

The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims

1. The utility model provides an infusion needle structure which characterized in that: contain the syringe needle, connector and transfer line, the connector both ends are connected the syringe needle with the transfer line, wherein, the connector contains stationary blade and connecting pipe, the stationary blade symmetry sets up the both sides of connecting pipe, the connecting pipe communicates with each other for both ends, and inside is equipped with the passageway that supplies the liquid medium circulation, the connecting pipe is close to the inside flexion that evenly is equipped with of syringe needle one end, just flexion one end is hugged closely the connecting pipe inner wall, the other end to the connecting pipe is close to along axial direction's central line, and to transfer line one side is extended.

2. The infusion needle structure according to claim 1, wherein: the fixing piece is of a rectangular structure, is close to the end of the infusion tube and is far away from one side of the needle head, and a notch is arranged on one side of the infusion tube, and the shape of the notch is of a triangular structure.

3. The infusion needle structure according to claim 1, wherein: the peripheral chamfer of the fixing piece is an arc chamfer.

4. The infusion needle structure according to claim 1, wherein: the shape of the bending part is similar to an L-shaped structure.

5. The infusion needle structure according to claim 1, wherein: the length of the connecting pipe in the axial direction is greater than that of the fixing piece.

6. The infusion needle structure according to claim 1, wherein: the fixing piece is provided with a bonding adhesive tape, and the bonding surface of the bonding adhesive tape is provided with a protective layer.

7. The infusion needle structure according to claim 6, wherein: the protective layer is closely attached to the bonding adhesive tape, and the surface area of the protective layer is larger than that of the bonding adhesive tape.

8. The infusion needle structure according to claim 1, wherein: the infusion tube is made of polyethylene materials.

9. The infusion needle structure according to claim 1, wherein: the needle head is provided with a fixing cap.