CN213911328U - Lacrimal sac irrigation assembly with reliable connection - Google Patents
Lacrimal sac irrigation assembly with reliable connection Download PDFInfo
- Publication number
- CN213911328U CN213911328U CN202021781235.6U CN202021781235U CN213911328U CN 213911328 U CN213911328 U CN 213911328U CN 202021781235 U CN202021781235 U CN 202021781235U CN 213911328 U CN213911328 U CN 213911328U
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- needle
- syringe
- flushing
- head
- boss
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Abstract
The utility model provides a connect reliable dacryocyst and wash subassembly, it includes syringe (1) and washing syringe needle (2), characterized by syringe (1) front end needle file (3) on be equipped with external screw thread (4), washing syringe needle (2) afterbody needle cover (5) in be equipped with internal thread (6), external screw thread (4) and internal thread (6) mutually support and realize syringe (1) and the sealing connection who washes syringe needle (2). The utility model realizes the reliable connection of the injector and the flushing needle head through the improvement of the connecting part, and has simple structure and convenient manufacture.
Description
Technical Field
The utility model relates to a medical article, in particular to a lacrimal sac flushing device, in particular to a lacrimal sac flushing component with reliable connection.
Background
At present, the lacrimal sac is frequently washed clinically, and the conventional method is to take a 5ml syringe which is filled with physiological saline and antibiotic solution and use a needle with an upward-bent right angle. The lacrimal sac can be flushed by sleeving the flushing head on the syringe, but the applicant finds that in the use process, because the needle sleeve of the flushing head and the needle seat of the syringe are sleeved together by friction force, the flushing head is easy to separate from the syringe due to increased pressure in the use process, and the flushing fails. Therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the flushing head is easy to fall off in the flushing process of the existing lacrimal sac flusher, and designs a lacrimal sac flushing component with reliable connection.
One of the technical schemes of the utility model is:
a tear sac flushing assembly reliable in connection comprises an injection needle cylinder 1 and a flushing needle head 2 and is characterized in that an external thread 4 is arranged on a needle seat 3 at the front end of the injection needle cylinder 1, an internal thread 6 is arranged in a needle sleeve 5 at the tail part of the flushing needle head 2, and the external thread 4 and the internal thread 6 are matched with each other to realize the sealing connection of the injection needle cylinder 1 and the flushing needle head 2.
The technical scheme of the utility model is secondly:
a reliably connected lacrimal sac flushing assembly comprises an injection needle cylinder 1 and a flushing needle 2 and is characterized in that an annular outer boss 7 is arranged on a needle base 3 at the front end of the injection needle cylinder 1, an annular inner boss 8 is arranged in a needle sleeve 5 at the tail part of the flushing needle 2, the inner boss 8 crosses the outer boss 7, and the outer boss 7 can prevent the inner boss from sliding out, so that the injection needle cylinder 1 and the flushing needle 2 are connected in a sealing manner.
The needle seat 3 and the needle sleeve 5 are both frustum-shaped hard medical engineering plastic parts.
The utility model has the advantages that:
the utility model realizes the reliable connection of the injector and the flushing needle head through the improvement of the connecting part, and has simple structure and convenient manufacture.
Drawings
Fig. 1 is one of the schematic structural diagrams of the present invention.
Fig. 2 is a second schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
The first embodiment.
As shown in fig. 1.
A lacrimal sac flushing assembly reliable in connection comprises an injection needle cylinder 1 and a flushing needle head 2, wherein the injection needle cylinder 1 and the flushing needle head 2 are both formed by medical engineering plastic compression molding, an external thread 4 is arranged on a needle seat 3 of a frustum-shaped structure at the front end of the injection needle cylinder 1, an internal thread 6 is arranged in a frustum-shaped needle sleeve 5 at the tail part of the flushing needle head 2, and the external thread 4 and the internal thread 6 are mutually matched to realize the sealing connection of the injection needle cylinder 1 and the flushing needle head 2.
The utility model discloses only need during the use to wash in the anterior needle file of afterbody screw in injection tube 1 of syringe needle 2 and utilize frustum structure and screw thread to realize sealing, if have must install the small-size sealing washer additional on the needle file in order to increase sealed effect, prevent weeping or leakage in the use.
Example two.
As shown in fig. 2.
A reliably connected lacrimal sac flushing assembly comprises an injection needle cylinder 1 and a flushing needle 2, wherein the injection needle cylinder 1 and the flushing needle 2 are both molded by medical engineering plastic through compression molding, an annular outer boss 7 is arranged on a frustum-shaped needle base 3 at the front end of the injection needle cylinder 1, an annular inner boss 8 is arranged in a frustum-shaped needle sleeve 5 at the tail part of the flushing needle 2, the inner boss 8 crosses the outer boss 7, and the outer boss 7 can prevent the inner boss from sliding out, so that the injection needle cylinder 1 and the flushing needle 2 are hermetically connected.
The utility model discloses during the use, only need to insert the afterbody of washing the head in the anterior needle file of injection tube, hear the knot sound can, sealing connection is realized to usable frustum face, as long as pressure is not very big in the use, injection tube and washing head can not be broken open.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (2)
1. The utility model provides a connect reliable dacryocyst and wash subassembly, it includes syringe (1) and washes syringe needle (2), characterized by syringe (1) front end needle file (3) on be equipped with external screw thread (4), wash needle sleeve (5) of syringe needle (2) afterbody in be equipped with internal thread (6), external screw thread (4) and internal thread (6) mutually support and realize syringe (1) and the sealing connection who washes syringe needle (2), needle file (3) and needle sleeve (5) be the medical engineering plastics of frustum form.
2. A tear sac flushing assembly reliable in connection comprises an injection needle cylinder (1) and a flushing needle head (2), and is characterized in that an annular outer boss (7) is arranged on a needle seat (3) at the front end of the injection needle cylinder (1), an annular inner boss (8) is arranged in a needle sleeve (5) at the tail part of the flushing needle head (2), the inner boss (8) crosses the outer boss (7), and the outer boss (7) can prevent the inner boss from sliding out, so that the injection needle cylinder (1) and the flushing needle head (2) are connected in a sealing manner; the needle seat (3) and the needle sleeve (5) are both frustum-shaped hard medical engineering plastic parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021781235.6U CN213911328U (en) | 2020-08-24 | 2020-08-24 | Lacrimal sac irrigation assembly with reliable connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021781235.6U CN213911328U (en) | 2020-08-24 | 2020-08-24 | Lacrimal sac irrigation assembly with reliable connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213911328U true CN213911328U (en) | 2021-08-10 |
Family
ID=77159879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021781235.6U Active CN213911328U (en) | 2020-08-24 | 2020-08-24 | Lacrimal sac irrigation assembly with reliable connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213911328U (en) |
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2020
- 2020-08-24 CN CN202021781235.6U patent/CN213911328U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |