CN217448669U - Multifunctional integrated tunnel needle assembly - Google Patents
Multifunctional integrated tunnel needle assembly Download PDFInfo
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- CN217448669U CN217448669U CN202122918681.8U CN202122918681U CN217448669U CN 217448669 U CN217448669 U CN 217448669U CN 202122918681 U CN202122918681 U CN 202122918681U CN 217448669 U CN217448669 U CN 217448669U
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- needle
- tunnel
- injection
- tail end
- assembly
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Abstract
The utility model discloses a multi-functional integral type tunnel needle subassembly is provided, it includes: the tunnel needle body comprises a hollow tunnel needle, and the tunnel needle body sequentially comprises a needle head end, a needle body end and a needle tail end from the head end to the tail end; an injection assembly comprising an injection needle and a syringe connection port; the injection needle penetrates through the needle tail end and penetrates out of the needle head end after passing through the needle body end. The utility model provides a multi-functional integral type tunnel needle subassembly, it can realize sending into the tunnel needle while injecting the saline through setting up tunnel needle body and syringe needle head to once only accomplish the establishment in tunnel, avoided secondary damage, effectively improve the efficiency that the tunnel was established.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to multi-functional integral type tunnel needle subassembly.
Background
At present, when the peritoneal dialysis tube-implanting operation is clinically performed, the tube-implanting operation of the peritoneal dialysis is mainly realized by adopting a tunnel needle. Because the tunnel has little damage to the subcutaneous tissue, the operation is time consuming and not easy to bring skin bacteria to the deep tissue. The main body of the existing tunnel needle is a cylinder, and the front part of the existing tunnel needle is in a conical tip structure.
The existing tunnel needle is solid, and needs to be used for injecting saline or lidocaine subcutaneously by using a syringe, separating subcutaneous tissues, and then used for expanding the skin along a saline tunnel and slowly sending the skin into the subcutaneous tissues to establish the tunnel. The operation steps are complex, and damage and difficulty in establishing the secondary tunnel are easily increased.
In view of the foregoing, there is a need to design a multifunctional one-piece tunnel needle assembly that overcomes the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming that exists among the prior art, provide a multi-functional integral type tunnel needle subassembly, it can realize sending into the tunnel needle while injecting the saline through setting up tunnel needle body and injection subassembly to once only accomplish the establishment in tunnel, avoided secondary damage, effectively improve the efficiency that the tunnel was established.
In order to realize the purpose, the utility model discloses a technical scheme is:
a multi-functional unitary tunnel needle assembly, comprising:
the tunnel needle body comprises a hollow tunnel needle, and the tunnel needle body sequentially comprises a needle head end, a needle body end and a needle tail end from the head end to the tail end;
an injection assembly comprising an injection needle and a syringe connection port;
the injection needle penetrates through the needle tail end and penetrates out of the needle head end at any time after passing through the needle body end.
Further, the inner diameter of the cavity of the tunnel needle is slightly larger than the diameter of the tail end of the injection needle;
the anti-skidding rubber plug is arranged at the position, close to the inner wall of the needle tail end, of the cavity of the tunnel needle, and the anti-skidding rubber plug is clamped at the inlet of the needle tail end of the tunnel needle.
Further, the length of the injection needle head of the injector is larger than that of the tunnel needle, and the injection needle head penetrates out of the tunnel needle by 2-3 mm.
Further, the length of the tunnel needle is 14cm, and the diameter of the tunnel needle is 2 mm.
Further, the needle head end is a needle tip used for connecting and guiding a PICC catheter.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a multi-functional integral type tunnel needle subassembly, it is through setting up tunnel needle body and injection module, the application of the device has effectively reduced the operating procedure, reduces the degree of difficulty that the secondary set up the tunnel, reduces the damage that the secondary set up the tunnel brought;
the utility model discloses a multi-functional integral type tunnel needle subassembly can realize sending into the tunnel needle while injecting the saline to once only accomplish the establishment in tunnel, effectively improve the efficiency that the tunnel was established.
Drawings
Fig. 1 is a schematic structural view of the multifunctional integrated tunnel needle assembly of the present invention;
FIG. 2 is a schematic view of the multifunctional integrated tunnel needle assembly of the present invention in use;
fig. 3 is a schematic structural view of the tunnel needle of the present invention;
figure 4 is a schematic view of the injection assembly of the present invention;
description of reference numerals:
1. a tunnel needle body; 11. a tunnel needle; 111. a needle end; 112. a needle body end; 113. a needle tail end; 12. an anti-slip rubber plug;
2. an injection assembly; 21. an injection needle; 22. a syringe connection port;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-4, the utility model discloses a multi-functional integral type tunnel needle subassembly, it includes:
the tunnel needle comprises a tunnel needle body 1, a needle head end 111, a needle body end 112 and a needle tail end 113, wherein the tunnel needle body comprises a hollow tunnel needle 11 from the head end to the tail end;
an injection assembly 2 comprising an injection needle 21 and a syringe connection port 22;
the injection needle 21 penetrates from the needle tail end 113, and then passes through the needle body end 112 and then penetrates from the free needle end 111.
The utility model provides a multi-functional integral type tunnel needle subassembly of this application embodiment, its in-process that uses:
when in use, the tunnel needle 11 is internally provided with the injection needle head 21, and a syringe 3 with a proper specification is selected to be connected with the syringe connecting port 22; after the connection is finished; injecting physiological saline, sending to a certain position, withdrawing the injection needle 21, sleeving a PICC catheter on the needle end 111, and passing out of the subcutaneous tunnel, so as to complete the placement of the tunnel PICC; when the tunnel is established, the physiological saline can be injected and sent into the tunnel needle 11 at the same time, and the establishment of the tunnel is completed at one time.
According to the multifunctional integrated tunnel needle assembly, the tunnel needle 11 with the hollow design is superior to the existing solid tunnel needle 11; the front end of the catheter can be connected with a PICC catheter, the PICC catheter is sleeved at the front end of the tunnel needle 11, and the tunnel needle 11 plays a role in threading the needle to enable the catheter to be transmitted out from the subcutaneous part.
As shown in fig. 1, in the multifunctional integrated tunnel needle assembly of the present invention, the inner diameter of the cavity of the tunnel needle 11 is slightly larger than the diameter of the needle tail 113 of the injection needle 21;
an anti-skid rubber plug 12 is arranged on the inner wall of the cavity of the tunnel needle 11 close to the needle tail end 113, and the anti-skid rubber plug 12 is clamped at the inlet of the needle tail end 113 of the tunnel needle 11.
The multifunctional integrated tunnel needle assembly provided by the embodiment of the application is provided with the anti-skidding rubber plug 12 at the inner wall of the needle tail end 113, so that the stability of the injection needle 21 can be ensured, and the problem of displacement of the injection needle can be avoided.
As shown in figure 1, the utility model discloses a multi-functional integral type tunnel needle subassembly, the length of injection needle 21 of injection subassembly 2 is greater than the length of tunnel needle 11 and it wears out its 2-3 mm.
According to the multifunctional integrated tunnel needle assembly, the hollow tunnel needle 11 is sleeved with the injection needle 21, and the rear end of the injection needle can be connected with a common injector through the injector connecting port 22; the needle head of a 5ml syringe is required to be put down; it is also required that the length of the injection needle head 21 is greater than the length of the tunnel needle 11 and that it passes out of it by 2-3 mm.
As shown in FIG. 3, the tunnel needle 11 of the multifunctional integrated tunnel needle assembly of the present invention has a length of 14cm and a diameter of 2 mm.
As shown in fig. 3, the needle end 111 of the multifunctional integrated tunnel needle assembly of the present invention is a needle tip for connecting and guiding a PICC catheter.
According to the multifunctional integrated tunnel needle assembly, the front end of the tunnel needle 11 is slightly thin, so that a PICC catheter can be conveniently sleeved; the PICCs of different models select tunnel needle 11 with the same diameter as long as the catheter can be sleeved at the front end.
The present invention has been further described with reference to the embodiments, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. A multi-functional integrated tunnel needle assembly, comprising:
the tunnel needle comprises a tunnel needle body (1) and a needle body, wherein the tunnel needle body comprises a hollow tunnel needle (11) which sequentially comprises a needle head end (111), a needle body end (112) and a needle tail end (113) from the head end to the tail end;
an injection assembly (2) comprising an injection needle (21) and a syringe connection port (22);
the injection needle head (21) penetrates through the needle tail end (113) and penetrates out of the needle head end (111) after passing through the needle body end (112).
2. The multi-functional unitary tunnel needle assembly of claim 1, wherein:
the inner diameter of the cavity of the tunnel needle (11) is slightly larger than the diameter of the needle tail end (113) of the injection needle head (21);
the cavity of tunnel needle (11) is close to the inner wall department of needle tail end (113) is equipped with anti-skidding plug (12), anti-skidding plug (12) card is located the entrance of needle tail end (113) of tunnel needle (11).
3. The multi-functional unitary tunnel needle assembly of claim 2, wherein:
the length of the injection needle head (21) of the injection assembly (2) is larger than that of the tunnel needle (11) and the length of the tunnel needle penetrates out of the tunnel needle by 2-3 mm.
4. A multi-functional one-piece tunnel needle assembly of claim 3, wherein:
the length of the tunnel needle (11) is 14cm, and the diameter is 2 mm.
5. The multi-functional unitary tunnel needle assembly of claim 4, wherein:
the needle end (111) is a needle tip for connecting, guiding a PICC catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122918681.8U CN217448669U (en) | 2021-11-25 | 2021-11-25 | Multifunctional integrated tunnel needle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122918681.8U CN217448669U (en) | 2021-11-25 | 2021-11-25 | Multifunctional integrated tunnel needle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217448669U true CN217448669U (en) | 2022-09-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122918681.8U Active CN217448669U (en) | 2021-11-25 | 2021-11-25 | Multifunctional integrated tunnel needle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217448669U (en) |
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2021
- 2021-11-25 CN CN202122918681.8U patent/CN217448669U/en active Active
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