CN210612210U - Internal fistula puncture needle - Google Patents
Internal fistula puncture needle Download PDFInfo
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- CN210612210U CN210612210U CN201921029714.XU CN201921029714U CN210612210U CN 210612210 U CN210612210 U CN 210612210U CN 201921029714 U CN201921029714 U CN 201921029714U CN 210612210 U CN210612210 U CN 210612210U
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- needle
- opening
- sleeve
- cap
- latex plug
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Abstract
The utility model belongs to the technical field of medical instrument, particularly, relate to an internal fistula pjncture needle, including syringe needle, needle tubing and luer cap, needle tubing one end is equipped with the syringe needle, and the syringe needle other end is equipped with luer cap, is equipped with the opening on the needle tubing, and trompil department is equipped with the interface part. The distance between the opening and the luer cap is 1/3 the length of the needle cannula. The interface part comprises a sleeve, a heparin cap, a latex plug and two protective wings, the sleeve is sleeved at the opening of the needle tube and is fixedly connected with the needle tube, the heparin cap is arranged on the mounting opening of the sleeve, the latex plug is screwed into the mounting opening to seal the mounting opening, and two opposite sides outside the sleeve are respectively and fixedly connected with a protective wing. The latex plug is provided with a penetrable needle hole which is normally closed under the elasticity of the latex plug. The utility model discloses simple structure through set up the opening on the needle tubing and at opening part installation interface part, has prevented to repack behind the blood sampling and has lured the emergence that luer cap in-process blood splashed the phenomenon, has stopped the waste of blood.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, particularly, relate to an internal fistula pjncture needle.
Background
Internal fistula puncture needles are used mainly clinically to collect blood samples or to inject drugs into patients. When the existing internal fistula puncture needle is used for collecting a blood sample, the luer cap needs to be opened for collection, and after collection is finished, blood is easy to splash in the process of installing the luer cap. Therefore, the luer cap is generally replaced with a heparin cap, but even then, after the blood sample is collected, the blood may be splashed. In order to better protect the blood of a patient, the existing internal fistula puncture needle is continuously improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides an internal fistula pjncture needle that exists for solving the internal fistula pjncture needle that prior art exists and appearing splashing the defect of spilling blood after blood sample collection finishes easily, the utility model provides an internal fistula pjncture needle.
The technical scheme of the utility model as follows:
the utility model provides an internal fistula pjncture needle, including syringe needle, needle tubing and luer cap, above-mentioned needle tubing one end is equipped with above-mentioned syringe needle, and the above-mentioned syringe needle other end is equipped with above-mentioned luer cap, is equipped with the opening on the above-mentioned needle tubing, and above-mentioned trompil department is equipped with the interface part.
The distance between the opening and the luer cap is 1/3 the length of the needle cannula.
The interface part comprises a sleeve, a heparin cap, a latex plug and two protective wings, the sleeve is sleeved at the opening of the needle tube and is fixedly connected with the needle tube, the heparin cap is arranged on the mounting opening of the sleeve, the latex plug is screwed into the mounting opening to seal the mounting opening, and the two opposite sides outside the sleeve are respectively and fixedly connected with the protective wings.
In the embodiment of the present invention, the latex stopper is provided with a penetrable needle hole, and the needle hole is normally closed under the elastic force of the latex stopper.
The utility model provides an in the embodiment, still the cover is equipped with the protective sheath on the above-mentioned syringe needle.
In the embodiment provided by the utility model, a clip is further arranged on the needle tube.
In the embodiment provided by the utility model, one side of the needle head close to the needle tube is also provided with a needle handle.
In the embodiment provided by the present invention, the fixing connection is a cyclohexanone adhesive.
Has the advantages that: the utility model discloses simple structure through set up the opening on the needle tubing and at opening part installation interface part, the medicine of being convenient for is injected, accords with the infection requirement of hospital, has also avoided simultaneously taking a blood sample in-process to twist off the operation of luer cap, has prevented to repack behind the blood sampling and has luer cap in-process blood spattered the emergence of spilling the phenomenon, has stopped the waste of blood.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a structural diagram of an internal fistula puncture needle provided by the utility model;
FIG. 2 is a view showing a structure of an interface part according to the present invention;
fig. 3 is a cross-sectional view of fig. 2 taken along a-a.
Shown in the figure: 1-internal fistula puncture needle; 2-a needle head; 3-a needle tube; 4-luer cap; 5-an interface section; 6-a sleeve; 7-heparin cap; 8-latex plug; 9-protecting wings; 10-pinhole; 11-a protective sleeve; 12-a clip; 13-needle handle.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Example (b):
as shown in fig. 1, the present embodiment provides an internal fistula puncture needle 1, which includes a needle 2, a needle tube 3, and a luer cap 4, wherein the needle 2 is disposed at one end of the needle tube 3, the luer cap 4 is disposed at the other end of the needle tube 2, an opening is disposed on the needle tube 3, and a connecting portion 5 is disposed at the opening.
The distance between the opening and the luer cap 4 is 1/3 the length of the needle cannula 3.
As shown in fig. 2 and 3, the interface part 5 includes a sleeve 6, a heparin cap 7, a latex plug 8 and two protection wings 9, the sleeve 6 is sleeved on the opening of the needle tube 3 and is fixedly connected with the needle tube 3, the heparin cap 7 is installed on the installation opening of the sleeve 6, the latex plug 8 is screwed into the installation opening for sealing the installation opening, and two opposite sides of the sleeve 6 are respectively and fixedly connected with the protection wings 9. The protective wings 9 play a role in reinforcing and protecting the interface part 5, so that the interface part 5 is prevented from being easily damaged.
In this embodiment, the latex plug 8 is provided with a penetrable needle hole 10, and the needle hole 10 is normally closed under the elastic force of the latex plug 8. The external luer can be punctured into the needle hole 10, so that the blood collected at the needle head 2 flows into the luer along the needle tube 3, the opening of the needle tube 3 and the needle hole 10, and after the luer is drawn out to the needle hole 10, the needle hole 10 is completely closed under the self elasticity of the latex plug 8, so that the blood in the needle tube 3 can not flow out to the outside of the needle tube 3 any more.
In this embodiment, the needle 2 is further sleeved with a protective sleeve 11. Preventing the needle 2 from accidentally injuring medical staff.
In this embodiment, the needle tube 3 is further provided with a clip 12.
In this embodiment, a needle handle 13 is further provided on the side of the needle head 2 close to the needle tube 3. A needle handle 13 for mounting or dismounting the needle 2 to the needle tube 3.
In this embodiment, the fixed connection is an adhesive. The adhesive is cyclohexanone.
The operation principle of the internal fistula puncture needle 1 provided by the embodiment is as follows: screwing the luer cap 4 onto the needle tube 3, taking off the protective sleeve 11 on the needle head 2, inserting the needle head 2 into the body of a patient, firmly adhering the internal fistula puncture needle 1 to the skin of a blood sampling position of the patient by using an adhesive tape, penetrating the luer into the needle hole 10 on the latex plug 8, allowing blood to flow into the luer along the needle tube 3, the opening of the needle tube 3 and the needle hole 10 under the action of human blood pressure, drawing out the luer to the needle hole 10 after the blood sampling is finished, completely sealing the needle hole 10 under the self elasticity of the latex plug 8 at the moment, preventing the blood in the human body from entering the needle tube 3, and preventing the blood in the needle tube 3 from flowing out of the needle tube 3.
The internal fistula puncture needle provided by the embodiment has the beneficial effects that: the utility model discloses simple structure through set up the opening on the needle tubing and at opening part installation interface part, the medicine of being convenient for is injected, accords with the infection requirement of hospital, has also avoided simultaneously taking a blood sample in-process to twist off the operation of luer cap, has prevented to repack behind the blood sampling and has luer cap in-process blood spattered the emergence of spilling the phenomenon, has stopped the waste of blood. The above description is not intended to limit the present invention in any way, and although the present invention has been disclosed in terms of the preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art will be able to make modifications or changes to equivalent embodiments without departing from the scope of the present invention.
Claims (6)
1. An internal fistula puncture needle is characterized by comprising a needle head, a needle tube and a luer cap, wherein the needle head is arranged at one end of the needle tube, the luer cap is arranged at the other end of the needle head, an opening is formed in the needle tube, and a connecting part is arranged at the opening;
the distance between the opening to the luer cap is 1/3 the needle cannula length;
the interface part comprises a sleeve, a heparin cap, a latex plug and two protection wings, the sleeve is sleeved at the opening of the needle tube and is fixedly connected with the needle tube, the heparin cap is installed on the mounting opening of the sleeve, the latex plug is screwed into the mounting opening and is used for sealing the mounting opening, and the two opposite sides outside the sleeve are respectively and fixedly connected with the protection wings.
2. The fistula puncture needle according to claim 1, wherein the latex plug is provided with a penetrable needle hole which is normally closed under the elasticity of the latex plug.
3. An internal fistula puncture needle according to claim 1, wherein a protective sheath is also provided over the needle.
4. The fistula puncture needle of claim 1, wherein a clip is further provided on the needle cannula.
5. The fistula puncture needle of claim 1, wherein a needle handle is further provided on a side of the needle head adjacent to the needle tube.
6. An internal fistula puncture needle according to claim 1, wherein the securing connection is a cyclohexanone bond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029714.XU CN210612210U (en) | 2019-07-03 | 2019-07-03 | Internal fistula puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029714.XU CN210612210U (en) | 2019-07-03 | 2019-07-03 | Internal fistula puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210612210U true CN210612210U (en) | 2020-05-26 |
Family
ID=70749085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921029714.XU Active CN210612210U (en) | 2019-07-03 | 2019-07-03 | Internal fistula puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210612210U (en) |
-
2019
- 2019-07-03 CN CN201921029714.XU patent/CN210612210U/en active Active
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