CN2857969Y - Convenient intravenous transfusion retaining needle - Google Patents
Convenient intravenous transfusion retaining needle Download PDFInfo
- Publication number
- CN2857969Y CN2857969Y CN 200520105991 CN200520105991U CN2857969Y CN 2857969 Y CN2857969 Y CN 2857969Y CN 200520105991 CN200520105991 CN 200520105991 CN 200520105991 U CN200520105991 U CN 200520105991U CN 2857969 Y CN2857969 Y CN 2857969Y
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- needle
- puncture
- handle
- pterygoid
- things convenient
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Abstract
The present utility model relates to a disposable medical appliance especially a convenient intravenous transfusion retaining needle used in medical clinic which includes puncture needle, retaining needle component and needle head protecting cap. It is characterized in that: the puncture needle is jointed with the retaining needle component, the retaining needle is jointed with the needle head protecting cap, the tube end of the retaining needle component has puncture pterygoid handle composed by connecting a horizontal handle with a folding handle that cross with each other of an 90 DEG angle, the folding handle can rotate 90 DEG and has bonding stripe. The convenient intravenous transfusion retaining needle has a puncture pterygoid handle with complete function, the puncture operation is convenient and the pain for patient is reduced; the front of the retaining needle tube can be closed, the thrombus is not easily caused to jam the needle head; the blood pollution for patient can be reduced.
Description
Technical field
This utility model relates to a kind of disposable medical apparatus, particularly a kind of a kind of venous transfusion remaining needle that makes things convenient in the clinical use of medical treatment.
Background technology
The venoclysis needle that uses clinically comprises common transfusion pin and remaining needle at present.The syringe needle that the common transfusion pin uses is a draw point, during intravenous injection, stays and easily runs pin on the blood vessel, pricks bad blood vessel; Remaining needle generally includes puncture needle and cover remaining needle and syringe needle helmet thereon, its function is, the indwelling syringe needle of remaining needle is retained in patient's the vein blood vessel, and the patient for the long-term chronic patient that needs transfusion and child or blood vessel are not easy to find uses remaining needle very convenient.At first, it is difficult for running pin, and under the situation of the long-time transfusion of needs, remaining needle can be kept somewhere for a long time; Secondly, have plug directly to seal when not using, only need when reusing plug is removed, connecting tube for transfusion can use, and need not puncture once more.But there is following shortcoming in the remaining needle that uses in venipuncture procedure at present: 1, not necessarily one-time puncture success in clinical piercing process usually, sometimes need repeated localised puncture, because remaining needle is double-deck, be difficult for seeing blood back, bring misery to the patient like this, also cause unnecessary trouble to the doctor; 2, the front end of remaining needle flexible pipe can't be closed, easily causes thrombosis to stop up syringe needle; 3, extract syringe needle after the puncture and cover plug again, easily pollute blood samples of patients; 4, the wing handle on indwelling needle assembly is not provided with adhesive strip, need tear rubberized fabric adhere in addition, and is very inconvenient.
Summary of the invention
The purpose of this utility model provides a kind of venous transfusion remaining needle that makes things convenient for, and its puncture pterygoid handle function is complete; Puncture is convenient, reduces the patient suffering; Keeping somewhere the needle tubing front end can be closed, is difficult for causing thrombosis to stop up syringe needle; Reducing blood samples of patients pollutes.
The technical solution of the utility model is, design a kind of venous transfusion remaining needle that makes things convenient for, it comprises puncture needle, indwelling needle assembly, syringe needle helmet, it is characterized in that: puncture needle is socketed with indwelling needle assembly outward, keep somewhere the needle tubing overcoat and be connected to the syringe needle helmet, the puncture pterygoid handle that is mutually 90 ° of angles that has horizontal shank and folding handle to connect and compose on the pipe tail of indwelling needle assembly, the folding handle of puncture pterygoid handle can rotate 90 °.
On the folding handle of described puncture pterygoid handle bonding strip is arranged.
Described indwelling needle assembly is to connect and compose successively by keeping somewhere syringe needle, infusion tube threeway, puncture pterygoid handle and pipe tail.
The pipe afterbody of described infusion tube threeway is socketed with plug.
Described plug is that the center has the stifled platform that matches with infusion tube three-way interface internal diameter, is connected with the protecting cover that matches with the interface outer-diameter threads on the plug, and the height of stifled platform is lower than the height of protecting cover port.
Described plug is a cylinder, and the elasticity combination petal that can open or close is arranged in the middle of it, in the port of cover plate protecting cover is arranged.
There is the undergauge section at described indwelling needle tubing front port place, and the indwelling needle assembly afterbody is connected with the undergauge thromboembolism.
Characteristics of the present utility model are: because the puncture pterygoid handle that is mutually 90 ° of angles that has horizontal shank and folding handle to connect and compose on the pipe tail of indwelling needle assembly, the folding handle of puncture pterygoid handle can rotate 90 °, on the folding handle of puncture pterygoid handle bonding strip is arranged, after puncture needle withdraws from, tear the pad pasting on the adhesive strip off, 90 ° on puncture pterygoid handle 6 longitudinal component transverse pipe tails are folding, be attached to the patient site of puncture and difficult drop-off; On indwelling needle assembly, be provided with the infusion tube threeway, when puncturing, can see blood back by the flexible pipe in the infusion tube threeway to the patient; Front end at remaining needle is the necking that can seal automatically, can be independently closed under the situation that infusion pressure reduces, and be difficult for causing thrombosis to stop up syringe needle; Simultaneously, but fixed the thromboembolism of undergauge at the pipe afterbody of remaining needle, shutoff needle tubing automatically when draw point is extracted in use reduces blood samples of patients and pollutes.Having designed plug at infusion tube three-way interface place and be two ends, to be cylindric centre be the elastic cover plate that can open lobe, there is protecting cover port at cover plate, or the height of stifled platform is lower than the plug of the height of protecting cover port, and convenient and safe like this health is unlikely to pollute the medicine interface.
Description of drawings
Below in conjunction with the embodiment accompanying drawing this utility model is described further.
Fig. 1 is the example structure sketch map;
Fig. 2 is embodiment 2 indwelling needle assembly structural representations;
Fig. 3 is embodiment 1 perspective view;
Fig. 4-the 1st, embodiment 2 plug structural front view;
Fig. 4-the 2nd, embodiment 2 plug structure upward views.
Among the figure: 1, indwelling needle assembly; 2, puncture needle; 3, keep somewhere syringe needle; 4, syringe needle helmet; 5, infusion tube threeway; 6, puncture pterygoid handle; 7, pipe tail; 8, undergauge thromboembolism; 9, plug.
The specific embodiment
Embodiment 1 as shown in Figure 1, a kind of venous transfusion remaining needle that makes things convenient for, it comprises puncture needle 2, indwelling needle assembly 1 and syringe needle helmet 4, is socketed with puncture needle 2 in the indwelling needle assembly 1, there is the undergauge section at indwelling syringe needle 3 front port places at indwelling needle assembly 1, and indwelling needle assembly 1 afterbody has undergauge thromboembolism 8; Indwelling needle assembly 1 is formed by keeping somewhere syringe needle 3, infusion tube threeway 5, puncture pterygoid handle 6 and pipe tail 7, and they connect respectively successively; The pipe afterbody rib-loop of infusion tube threeway 5 is connected with plug 9; Plug 9 is protecting cover shapes, there is the stifled platform that matches with dosing facility interface internal diameter the center of protecting cover, and the protecting cover internal diameter has the screw thread that matches with dosing facility interface outer-diameter threads, and the height of stifled platform is lower than the height of protecting cover port, convenient and safe like this health is unlikely to pollute the medicine interface.
Indwelling needle assembly 1 is nested together with puncture needle 2 during use, remove syringe needle helmet 4, be connected with the dosing facility by the interface in the infusion tube threeway 5, the length of the indwelling syringe needle 3 on the indwelling needle assembly 1 is less than the length of puncture needle 2, keep somewhere syringe needle 3 front port places the undergauge section is arranged, pinch puncture pterygoid handle 6 with hands during puncture, the venous transfusion remaining needle that is socketed with puncture needle 2 is thrust vein blood vessel, and with keep somewhere syringe needle 3 and push blood vessel in the lump, wait to puncture successfully, piercing needle is withdrawed from indwelling needle assembly 1, and extract out the undergauge thromboembolism 8 in pipe tail 7, when draw point is extracted, the undergauge thromboembolism 8 automatic shutoff needle tubings of indwelling needle assembly 1, so in use can prevent air admission, reduce the blood samples of patients pollution; Putting syringe needle helmet 4 when puncture needle 2 is extracted abandons in the lump.The infusion tube threeway 5 that connects on the indwelling needle assembly 1 is infused to the patient by the dosing facility, medicinal liquid enters vein blood vessel by pressure from keeping somewhere syringe needle 3 front ports, under the situation that medicinal liquid pressure reduces, the undergauge section of keeping somewhere syringe needle 3 front port places can be independently closed, be difficult for causing thrombosis to stop up syringe needle like this, bring convenience for doctor and patient.The material of undergauge section can adopt the retractive material that has no side effect.
As shown in Figure 3, the puncture pterygoid handle that is mutually 90 ° of angles that on the pipe tail of indwelling needle assembly, has horizontal shank and folding handle to connect and compose, the folding handle of puncture pterygoid handle can rotate 90 °.Wing shank portion on puncture pterygoid handle 6 folding shank portions and the puncture needle 2 is overlapping, on folding handle, adhesive strip is arranged, such one is to be convenient to medical personnel to hold the pin operation when puncture, when withdrawing from, puncture needle 2 is unlikely to indwelling needle assembly 1 is extracted in the lump, in addition, after puncture needle 2 withdraws from, tear the pad pasting on the adhesive strip off, 90 ° on puncture pterygoid handle 6 longitudinal component transverse pipe tails are folding, be attached to the patient site of puncture; The 2nd, in infusion process, make indwelling needle assembly 1 be attached to the patient site of puncture and difficult drop-off by the lateral part of puncture pterygoid handle 6.
Embodiment 2 as shown in Figure 2, its structure is substantially the same manner as Example 1, different is, and to keep somewhere syringe needle 3 front port positions are tapering shapes, the thickness of its front end is less than the thickness of rear end, be convenient to medical personnel's puncture like this, can prevent that again tampon stops up syringe needle, bring convenience for doctor and patient.
The plug 9 of embodiment 2 is shown in Fig. 4-1 and Fig. 4-2, and plug 9 can also be a cylinder, and the elasticity combination petal that can open or close is arranged in the middle of it, in the port of cover plate protecting cover is arranged.When needs are infused, only need the protecting cover on the plug 9 is opened, plug 9 is pushed open downwards, and the interface that is enclosed within the infusion tube threeway 5 in the plug 9 just can make up petal with elasticity and back down, and the dosing facility is communicated with just and can infuses with the interface of infusion tube threeway 5 by plug 9, transfusion finishes and throws off dosing facility interface, promote plug 9 again, elasticity combination petal restores to the original state again, covers protecting cover then, convenient and safe like this health is unlikely to pollute the medicine interface.
Claims (7)
1, a kind of venous transfusion remaining needle that makes things convenient for, it comprises puncture needle, indwelling needle assembly, syringe needle helmet, it is characterized in that: puncture needle is socketed with indwelling needle assembly outward, keep somewhere the needle tubing overcoat and be connected to the syringe needle helmet, the puncture pterygoid handle that is mutually 90 ° of angles that has horizontal shank and folding handle to connect and compose on the pipe tail of indwelling needle assembly, the folding handle of puncture pterygoid handle can rotate 90 °.
2, a kind of venous transfusion remaining needle that makes things convenient for according to claim 1 is characterized in that: on the folding handle of described puncture pterygoid handle bonding strip is arranged.
3, a kind of venous transfusion remaining needle that makes things convenient for according to claim 1 is characterized in that: described indwelling needle assembly is to connect and compose successively by keeping somewhere syringe needle, infusion tube threeway, puncture pterygoid handle and pipe tail.
4, a kind of venous transfusion remaining needle that makes things convenient for according to claim 3, it is characterized in that: the pipe afterbody of described infusion tube threeway is socketed with plug.
5, a kind of venous transfusion remaining needle that makes things convenient for according to claim 4, it is characterized in that: described plug is that the center has the stifled platform that matches with infusion tube three-way interface internal diameter, be connected with the protecting cover that matches with the interface outer-diameter threads on the plug, the height of stifled platform is lower than the height of protecting cover port.
6, a kind of venous transfusion remaining needle that makes things convenient for according to claim 4, it is characterized in that: described plug is a cylinder, and the elasticity combination petal that can open or close is arranged in the middle of it, in the port of cover plate protecting cover is arranged.
7, a kind of venous transfusion remaining needle that makes things convenient for according to claim 1 is characterized in that: there is the undergauge section at described indwelling needle tubing front port place, and the indwelling needle assembly afterbody is connected with the undergauge thromboembolism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105991 CN2857969Y (en) | 2005-12-27 | 2005-12-27 | Convenient intravenous transfusion retaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105991 CN2857969Y (en) | 2005-12-27 | 2005-12-27 | Convenient intravenous transfusion retaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2857969Y true CN2857969Y (en) | 2007-01-17 |
Family
ID=37610829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520105991 Expired - Fee Related CN2857969Y (en) | 2005-12-27 | 2005-12-27 | Convenient intravenous transfusion retaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2857969Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113209418A (en) * | 2021-04-27 | 2021-08-06 | 南通宁和衡信制药有限公司 | Transfusion needle head convenient for puncture |
-
2005
- 2005-12-27 CN CN 200520105991 patent/CN2857969Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113209418A (en) * | 2021-04-27 | 2021-08-06 | 南通宁和衡信制药有限公司 | Transfusion needle head convenient for puncture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |