CN214910590U - Dispensing needle with cap - Google Patents
Dispensing needle with cap Download PDFInfo
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- CN214910590U CN214910590U CN202120384147.0U CN202120384147U CN214910590U CN 214910590 U CN214910590 U CN 214910590U CN 202120384147 U CN202120384147 U CN 202120384147U CN 214910590 U CN214910590 U CN 214910590U
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- needle
- cap
- hole
- shaped
- strip
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Abstract
The utility model discloses a dispensing syringe needle with a cap, relating to the technical field of medical instruments. The dispensing needle with the cap comprises a needle tube, a needle seat fixedly arranged at one end of the needle tube and a needle point fixedly arranged at the other end of the needle tube, wherein the needle point is a closed conical needle point, the needle seat is provided with the cap, the cap comprises a hollow cylinder with one open end and one sealed end, the outer diameter of the hollow cylinder is 3-5cm, and the length of the hollow cylinder is 4-6 cm; the outer surface of the needle base is provided with external threads, the inner wall of the hollow part of the cap is provided with internal threads, and the cap is detachably connected with the needle base through threads; one end of the needle tube close to the needle point is also provided with a strip-shaped through hole. The utility model discloses can prevent that the syringe needle that dispenses from receiving the pollution, atmospheric pressure still can be balanced, simplifies the operation of dispensing, improves dispensing efficiency.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a dispensing syringe needle with cap is related to.
Background
At present, when dispensing for patient, nursing staff mostly adopt the side hole of being connected with the syringe to dispense the syringe needle and insert the interior suction liquid medicine of bottle, and current side hole dispenses the syringe needle and mainly comprises needle file and needle tubing, and the needle file is connected with the syringe, as shown in figure 1, it does not be equipped with suitable block that is used for covering the needle file, but when dispensing the syringe needle not use or use accomplish after if do not have the lid to cover and can cause the syringe needle to receive the pollution (like external dust etc. will pollute the syringe needle). Simultaneously, at the in-process of suction liquid medicine, when the liquid medicine reduces, bottle internal pressure increases to cause the operation very difficult, waste time and energy, increased nursing staff's the work degree of difficulty.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a take cap syringe needle that dispenses is provided, and this take cap syringe needle that dispenses can prevent that the syringe needle that dispenses from receiving the pollution, and the operation of dispensing is simplified to balanced atmospheric pressure still, improves dispensing efficiency.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a dispensing needle with a cap comprises a needle tube, a needle seat fixedly arranged at one end of the needle tube and a needle point fixedly arranged at the other end of the needle tube, wherein the needle point is a closed conical needle point, the needle seat is provided with the cap, the cap is a hollow cylinder with one open end and one sealed end, the outer diameter of the hollow cylinder is 3-5cm, and the length of the hollow cylinder is 4-6 cm; the outer surface of the needle base is provided with external threads, the inner wall of the hollow part of the cap is provided with internal threads, and the cap is detachably connected with the needle base through threads; one end of the needle tube close to the needle point is also provided with a strip-shaped through hole.
Further, the axial length of the long strip-shaped through hole is greater than that of the sealing rubber plug of the medicine bottle.
Further, the length of the strip-shaped through hole is 7mm, and the width of the strip-shaped through hole is 0.2 mm.
Furthermore, the outer surface of the cap is also provided with anti-skid grains.
Furthermore, the cover cap is detachably connected with the needle seat through a connecting rope, and the connecting rope is an elastic connecting rope.
Furthermore, the length direction of the long strip-shaped through hole is parallel to the central axis of the needle tube.
Furthermore, two ports of the strip-shaped through hole are both elliptical arc-shaped ports or arc-shaped ports.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the cap which can be opened or covered is arranged on the needle seat, so that the cap can be opened when the dispensing needle head is used, and the normal liquid medicine suction or injection work can be carried out; when not in use, the cap is covered, thereby preventing the dispensing needle head from being polluted; and the cap is also connected with the needle base through the elastic connecting rope, so that the problem that the cap is easy to lose after the cap is opened (in the process of sucking or injecting liquid medicine) can be avoided. In addition, the arrangement of the long and thin strip-shaped through hole on the needle tube can balance air pressure, so that medical personnel do not need to exhaust or pump air independently inside the medicine bottle before and after sucking or injecting the liquid medicine, the medicine dispensing operation is simplified, and the medicine dispensing efficiency is improved; still make when the rubber buffer that seals of puncture medicine bottle, the part that seals the rubber buffer is difficult to extrude in rectangular shape through-hole, cuts when avoiding the push-and-pull syringe needle of dispensing and seals the rubber buffer, avoids producing rubber granule and blocks up the needle tubing, makes the absorption or the injection of liquid medicine more smooth and easy, prevents to pollute the liquid medicine, and it is extravagant to reduce the liquid medicine, reduces the repetitive labor that the personnel dispensed again.
Drawings
FIG. 1 is a schematic structural view of a conventional side-hole dispensing needle at present;
FIG. 2 is a schematic structural view of a dispensing needle with a cap according to an embodiment of the present invention;
fig. 3 is a bottom view of the cap in the dispensing needle with the cap of the embodiment of the utility model.
In the attached drawing, 1-a needle tube, 2-a needle seat, 3-a needle point, 4-a cover cap, 41-a hollow part, 42-an anti-slip pattern, 5-a strip-shaped through hole and 6-a connecting rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Examples
As shown in fig. 2 and 3, a dispensing needle with a cap includes a needle tube 1, a needle base 2 fixed at one end of the needle tube 1, and a needle tip 3 fixed at the other end of the needle tube 1, wherein the needle tip 3 is a closed conical needle tip, the needle base 2 is provided with a cap 4, the cap 4 is a hollow cylinder with one end open and the other end sealed, the outer diameter of the hollow cylinder is 3-5cm, the length of the hollow cylinder is 4-6cm, specifically, the outer diameter of the hollow cylinder is 4cm, and the length of the hollow cylinder is 6 cm. The hollow 41 of the cap 4 has a diameter matching the outer diameter of the needle hub 2. The outer surface of the needle base 2 is provided with external threads, the inner wall of the hollow part of the cover cap 4 is provided with internal threads, and the cover cap 4 is detachably connected with the needle base 2 through threads; and one end of the needle tube 1 close to the needle tip 3 is also uniformly provided with four strip-shaped through holes 5 along the circumferential direction of the needle tube 1. Wherein, the strip-shaped through hole 5 is processed by laser; the edge of the long strip-shaped through hole 5 formed by laser processing is smooth and mellow, so that the sealing rubber plug is prevented from being scraped; meanwhile, the size of the strip-shaped through hole 5 can be accurately controlled through laser processing.
Further, the axial length of rectangular shape through-hole 5 is greater than the axial length of the rubber buffer that seals of medicine bottle to when making the syringe needle puncture of dispensing seal the rubber buffer of medicine bottle, the one end of rectangular shape through-hole 5 is located outside the medicine bottle, and the other end is located the medicine bottle. Preferably, in this embodiment, the length of the elongated through hole 5 is 7mm, and the width thereof is 0.2 mm. And the length direction of the strip-shaped through hole 5 is parallel to the central axis of the needle tube 1. Through the setting of this long and thin rectangular shape through-hole 5 for when the rubber buffer that seals of puncture medicine bottle, the part that seals the rubber buffer is difficult to squeeze into rectangular shape through-hole 5 in, the cutting seals the rubber buffer when avoiding the push-and-pull syringe needle of dispensing, avoids producing rubber granules and blocks up needle tubing 1, makes absorption or the injection of liquid medicine more smooth and easy, prevents to pollute the liquid medicine, and it is extravagant to reduce the liquid medicine, reduces the repetitive labor that the personnel dispensed again.
Further, the outer surface of the cap 4 is further provided with anti-slip threads 42, so that the cap 4 can be screwed on the needle base 2 conveniently or the cap 4 can be screwed out conveniently.
Further, the cap 4 is detachably connected with the needle base 2 through a connecting rope 6, the connecting rope 6 is an elastic connecting rope, and the cap 4 is prevented from being lost easily when the cap 4 is opened to suck or inject liquid medicine.
Further, the both ends mouth of rectangular shape through-hole 5 is oval arc port or convex port, and oval arc port or convex port are smooth port, can prevent that rectangular shape through-hole 5 from scraping the rubber buffer that seals of medicine bottle, cause the rubber buffer particle that seals to fall out. An elliptical arc port is preferred in the embodiment.
When the medicine bottle is used, the cap 4 is opened by screwing, the needle point 3 of the dispensing needle head is pushed to puncture a sealing rubber plug of the medicine bottle, one end of the strip-shaped through hole 5 is communicated with the interior of the medicine bottle, the other end of the strip-shaped through hole 5 is communicated with the external air pressure, the dispensing needle head is stopped being pushed, and the strip-shaped through hole 5 can balance the air pressure inside and outside the medicine bottle; then the dispensing needle head is continuously pushed until the strip-shaped through hole 5 is completely positioned in the medicine bottle, and then the injector is connected with the needle seat 2 to begin to suck or inject medicine liquid; treat to absorb or inject and accomplish the back, extract the syringe needle of dispensing and make the one end of rectangular shape through-hole 5 and the inside intercommunication of medicine bottle, the other end and the outside atmospheric pressure intercommunication of rectangular shape through-hole 5 pause to atmospheric pressure inside and outside the balanced medicine bottle of rectangular shape through-hole 5 continues to extract the syringe needle of dispensing after that, covers block 4 on needle file 2 again at last, screws up, can prevent that the syringe needle of dispensing from receiving the pollution.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (7)
1. The utility model provides a take cap syringe needle that dispenses, includes the needle tubing, set firmly in the needle file of needle tubing one end with set firmly in the needle point of the needle tubing other end, the needle point is confined conical needle point, its characterized in that: a cap is arranged on the needle base, the cap is a hollow cylinder with one open end and one sealed end, the outer diameter of the hollow cylinder is 3-5cm, and the length of the hollow cylinder is 4-6 cm; the outer surface of the needle base is provided with external threads, the inner wall of the hollow part of the cap is provided with internal threads, and the cap is detachably connected with the needle base through threads; one end of the needle tube close to the needle point is also provided with a strip-shaped through hole.
2. A capped dispensing needle according to claim 1, wherein: the axial length of the strip-shaped through hole is greater than that of the sealing rubber plug of the medicine bottle.
3. A capped dispensing needle as defined in claim 2, wherein: the length of the strip-shaped through hole is 7mm, and the width of the strip-shaped through hole is 0.2 mm.
4. A capped dispensing needle as defined in claim 2, wherein: the outer surface of the cap is also provided with anti-skid grains.
5. A capped dispensing needle according to claim 4, wherein: the block still can dismantle with the needle file through a connecting rope and be connected, the connecting rope is the elastic connection rope.
6. A capped dispensing needle as defined in claim 2, wherein: the length direction of the long strip-shaped through hole is parallel to the central axis of the needle tube.
7. A capped dispensing needle as defined in claim 2, wherein: and two ports of the strip-shaped through hole are both elliptical arc ports or circular arc ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120384147.0U CN214910590U (en) | 2021-02-20 | 2021-02-20 | Dispensing needle with cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120384147.0U CN214910590U (en) | 2021-02-20 | 2021-02-20 | Dispensing needle with cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214910590U true CN214910590U (en) | 2021-11-30 |
Family
ID=79098095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120384147.0U Active CN214910590U (en) | 2021-02-20 | 2021-02-20 | Dispensing needle with cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214910590U (en) |
-
2021
- 2021-02-20 CN CN202120384147.0U patent/CN214910590U/en active Active
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