CN203577062U - Safe intravenous needle - Google Patents
Safe intravenous needle Download PDFInfo
- Publication number
- CN203577062U CN203577062U CN201320786658.0U CN201320786658U CN203577062U CN 203577062 U CN203577062 U CN 203577062U CN 201320786658 U CN201320786658 U CN 201320786658U CN 203577062 U CN203577062 U CN 203577062U
- Authority
- CN
- China
- Prior art keywords
- conduit
- circular hole
- needle
- safe vein
- vein pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001990 intravenous administration Methods 0.000 title abstract description 9
- 229920006324 polyoxymethylene Polymers 0.000 claims abstract description 6
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 210000003462 vein Anatomy 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 14
- 239000008280 blood Substances 0.000 abstract description 12
- 210000004369 blood Anatomy 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003814 drug Substances 0.000 abstract description 6
- 238000010992 reflux Methods 0.000 abstract 3
- 239000004615 ingredient Substances 0.000 abstract 1
- 229920003048 styrene butadiene rubber Polymers 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the field of medical apparatus and instruments and particularly relates to a safe intravenous needle. The safe intravenous needle is provided by the utility model with the aims that the structure is simple, patients can operate by themselves and blood return can be effectively prevented. The intravenous needle consists of a needle stand, a guiding pipe, a needle head and a stopping clamp, wherein the guiding pipe is connected with the needle stand and the needle head and penetrates through a circular hole of the stopping clamp; the stopping clamp is made from medical-grade polyformaldehyde or acrylonitrile-styrene-butadiene copolymer. The safe intravenous needle has the effects that when liquid in the guiding pipe refluxes in some cases, the patients can operate to close the stopping clamp by themselves, and then, medicine liquid in the guiding pipe cannot reflux, so that the reflux of blood is prevented, the occurrence of blood return is prevented, and the operation is more convenient, timesaving and laborsaving; the double-layer light-shielded pipe plays a role in shielding light, a light-shielded effect required by light-shielded medicine can be achieved, and the contact between the medicine liquid and a light shielding ingredient is completely avoided.
Description
Technical field
This utility model belongs to medical instruments field, particularly a kind of safe vein pin.
Background technology
At present, the intravenous needle of common disposable transfusion device is comprised of the conduit of needle stand, syringe needle and connection needle stand and syringe needle.Before transfusion, the air of medical personnel in can first emptying transfusion device, and close actuator, puncture see blood back by syringe needle again along vein inserting needle a little, so complete being connected of medicinal liquid and human vein, after having infused, needs of patients finds medical personnel to operate and changes liquid or finish infusion treatment, in this process, when patient does not in time find that medicinal liquid is totally lost or medical personnel do not arrive in the very nick of time and processes, the liquid in conduit can occur to flow backwards and cause blood back.Blood back makes patient produce psychological doubt and fear to a certain extent, causes the negative effect for the treatment of.
Disposable use intravenous needle is conventional medical apparatus and instruments, the medicine of infusing under must lucifuge condition for some needs additional native silver or black cloth parcel while using, cumbersome in clinical use, careless a little, just may cause drug effect reduction, inefficacy even to become noxious substance.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, and patient can ownly operate, a kind of safe vein pin that can effectively anti-return blood.
The technical solution of the utility model is: a kind of safe vein pin, comprise needle stand, and conduit, syringe needle, only folder, conduit connects needle stand and syringe needle, and conduit passes from the circular hole only pressing from both sides.
Preferably, the described side of only pressing from both sides has a circular hole that is slightly larger than conduit external diameter, from circular hole, starts to having away from circular hole direction the gap that a width is more and more less.
Preferably, described only folder respectively has a circular hole that is slightly larger than conduit external diameter up and down, and two center of circular holes are on same axis.
Preferably, left and right, described only folder inner side two walls respectively have a triangle draw-in groove.
Preferably, the described upper left side direction designed openings of only pressing from both sides, open upper end is one to be the clamp of miter angle, and open lower end is that outer surface is screw-shaped card article, and clamp drives the triangle draw-in groove of right wall to drive the triangle draw-in groove of left wall to coordinate with card article and fastens conduit.
Preferably, described only folder adopts medical grade polyformaldehyde or acrylonitrile-butadiene-styrene copolymer manufacture.
Preferably, described conduit is Double-layer pipe, and the internal layer of Double-layer pipe is medical grade polyurethane material, and skin is medical grade pvc material, two-layerly by double-layer coextrusion mode, manufactures.
Preferably, conduit is Double-layer pipe, at skin, adds coloring agent, makes the light transmittance of the light between 290nm ~ 450nm be less than 15%.
The beneficial effects of the utility model are: intravenous needle is simple in structure, and when liquid in conduit flows backwards in some cases, patient can oneself operate closes apolipsis folder, medicinal liquid in conduit just can not flow backwards, thereby stops backflow of blood, the generation of anti-return blood, more convenient operation, time saving and energy saving.Double-deck lucifuge tubing has lucifuge effect, can reach the light-shading effect of lucifuge medicine requirement, has avoided contacting of medicinal liquid and lucifuge composition completely.
Accompanying drawing explanation
Fig. 1 is a kind of structure chart of safe vein pin, 1-needle stand, and 2-conduit, 3-syringe needle, 4-is folder only;
Fig. 2 is a kind of only structural representation of a preferred embodiment of folder of safe vein pin;
Fig. 3 is a kind of only structural representation of another preferred embodiment of folder of safe vein pin, the upper circular hole of 5-, circular hole under 6-, the left wall draw-in groove of 7-, the right wall draw-in groove of 8-, 10-clamp, 9-card article.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is further described.Following examples are used for illustrating this utility model, but are not used for limiting scope of the present utility model.
The technical solution of the utility model is: a kind of safe vein pin, comprise needle stand (1), and conduit (2), syringe needle (3), only folder (4), conduit connects needle stand and syringe needle, and conduit passes from the circular hole only pressing from both sides.
Preferably, the described side of only pressing from both sides has a circular hole that is slightly larger than conduit external diameter, from circular hole, starts to having away from circular hole direction the gap that a width is more and more less, as shown in Figure 2.
Preferably, described only folder respectively has a circular hole that is slightly larger than conduit external diameter up and down, as shown in Figure 3, upper circular hole (5), lower circular hole (6), two center of circular holes are on same axis, only left and right, folder inner side two walls respectively have a triangle draw-in groove, left wall draw-in groove (7), right wall draw-in groove (8).Only press from both sides upper left side direction designed openings, open upper end is one to be the clamp (10) of miter angle, and open lower end is that outer surface is screw-shaped card article (9), and clamp drives the triangle draw-in groove of right wall to drive the triangle draw-in groove of left wall to coordinate with card article and fastens conduit.
Preferably, described only folder adopts medical grade polyformaldehyde or acrylonitrile-butadiene-styrene copolymer manufacture.
Most preferably, described only folder adopts the manufacture of medical grade polyformaldehyde, is mainly that medical grade polyformaldehyde has the mechanical strength of doing, the highest fatigue strength, and environment repellence is good, and resistance to repeated stock is strong.
Preferably, described conduit is Double-layer pipe, and the internal layer of Double-layer pipe is medical grade polyurethane material, and skin is medical grade pvc material, two-layerly by double-layer coextrusion mode, manufactures.
Preferably, conduit is Double-layer pipe, at skin, adds coloring agent, makes the light transmittance of the light between 290nm ~ 450nm be less than 15%.
Before transfusion, a kind of safe vein pin is open mode, facilitates the air in the first emptying transfusion device of medical personnel, and closes actuator, puncture see blood back by syringe needle again along vein inserting needle a little, complete being connected of medicinal liquid and human vein.After having infused or when liquid in conduit flows backwards in some cases, patient can oneself operate and close apolipsis folder, and the medicinal liquid in conduit just can not flow backwards, thereby stops backflow of blood, the generation of anti-return blood, and more convenient operation, time saving and energy saving.Intravenous needle is simple in structure, double-deck lucifuge tubing has lucifuge effect, can reach the light-shading effect of lucifuge medicine requirement, has avoided contacting of medicinal liquid and lucifuge composition completely.
Above embodiment is only for this utility model is described, and is not limitation of the utility model, and the those of ordinary skill in relevant technologies field, in the situation that not departing from spirit and scope of the present utility model, can also make a variety of changes and modification.Therefore all technical schemes that are equal to also belong to protection category of the present utility model.
Claims (8)
1. a safe vein pin, is characterized in that a kind of safe vein pin is by needle stand, conduit, and syringe needle, only folder composition, conduit connects needle stand and syringe needle, and conduit passes from the circular hole that stops folder.
2. according to a kind of safe vein pin described in claim 1, it is characterized in that, the described side of only pressing from both sides has a circular hole that is slightly larger than conduit external diameter, from circular hole, starts to having away from circular hole direction the gap that a width is more and more less.
3. according to a kind of safe vein pin described in claim 1, it is characterized in that, described only folder respectively has a circular hole that is slightly larger than conduit external diameter up and down, and two center of circular holes are on same axis.
4. according to a kind of safe vein pin described in claim 3, it is characterized in that, left and right, described only folder inner side two walls respectively have a triangle draw-in groove.
5. according to a kind of safe vein pin described in claim 3, it is characterized in that, the described upper left side direction designed openings of only pressing from both sides, open upper end is one to be the clamp of miter angle, open lower end is that outer surface is screw-shaped card article, and clamp drives the triangle draw-in groove of right wall to drive the triangle draw-in groove of left wall to coordinate with card article and fastens conduit.
6. according to a kind of safe vein pin described in any one in claim 1-5, it is characterized in that, described only folder adopts medical grade polyformaldehyde or acrylonitrile-butadiene-styrene copolymer manufacture.
7. according to a kind of safe vein pin described in any one in claim 1-5, it is characterized in that, described conduit is Double-layer pipe, and the internal layer of Double-layer pipe is medical grade polyurethane material, skin is medical grade pvc material, two-layerly by double-layer coextrusion mode, manufactures.
8. according to a kind of safe vein pin described in any one in claim 1-5, it is characterized in that, described conduit is Double-layer pipe, and the outer coloring agent that adds, makes the light transmittance of the light between 290nm ~ 450nm be less than 15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320786658.0U CN203577062U (en) | 2013-12-04 | 2013-12-04 | Safe intravenous needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320786658.0U CN203577062U (en) | 2013-12-04 | 2013-12-04 | Safe intravenous needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203577062U true CN203577062U (en) | 2014-05-07 |
Family
ID=50575044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320786658.0U Expired - Lifetime CN203577062U (en) | 2013-12-04 | 2013-12-04 | Safe intravenous needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203577062U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105194764A (en) * | 2015-09-30 | 2015-12-30 | 上卫医疗器械（苏州）有限公司 | Liquid flow stop clamp |
| CN107349486A (en) * | 2017-06-28 | 2017-11-17 | 安徽光大医疗科技股份有限公司 | A kind of biliquid is the same as defeated type disposable transfusion device |
-
2013
- 2013-12-04 CN CN201320786658.0U patent/CN203577062U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105194764A (en) * | 2015-09-30 | 2015-12-30 | 上卫医疗器械（苏州）有限公司 | Liquid flow stop clamp |
| CN107349486A (en) * | 2017-06-28 | 2017-11-17 | 安徽光大医疗科技股份有限公司 | A kind of biliquid is the same as defeated type disposable transfusion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |