CN201042519Y - Disposable medicine dispensing needle - Google Patents
Disposable medicine dispensing needle Download PDFInfo
- Publication number
- CN201042519Y CN201042519Y CNU2007200222661U CN200720022266U CN201042519Y CN 201042519 Y CN201042519 Y CN 201042519Y CN U2007200222661 U CNU2007200222661 U CN U2007200222661U CN 200720022266 U CN200720022266 U CN 200720022266U CN 201042519 Y CN201042519 Y CN 201042519Y
- Authority
- CN
- China
- Prior art keywords
- needle
- needle stand
- rear portion
- base
- communicated
- 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
- 239000003814 drug Substances 0.000 title abstract description 13
- 239000012528 membrane Substances 0.000 claims description 4
- 229940079593 drug Drugs 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 24
- 239000000843 powder Substances 0.000 description 13
- 239000012530 fluid Substances 0.000 description 6
- 241001411320 Eriogonum inflatum Species 0.000 description 2
- 239000004531 microgranule Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The utility model relates to a disposable drug dispensing needle, which is a medical appliance and comprises a needle tube and needle base, wherein the needle tube is connected with the needle base, two side needle holes are respectively provided at the front end and the rear portion of the needle tube, a side outlet hole is provided on the needle base, an inner core in the needle base divides the inner cavity of the needle base into two cavities, one cavity is communicated with a straight outlet hole of the needle base and the side needle hole at the rear portion of the needle tube, and the other cavity is communicated with the side outlet hole of the needle base and the side needle hole at the front end of the needle tube. The utility model can regulate the inside and outside pressure balance during drug dispensing, has simple and reasonable structure, easy drug dissolving and dispensing, and convenient, safe and reliable operation, and facilitates popularity and application.
Description
Technical field
This utility model relates to a kind of disposable use dispensing needle, is medical apparatus.
Background technology
Clinically, molten medicine, be extensive use of disposable syringe when making up a prescription.Use syringe in liquid bottles and powder bottle, to draw and when injecting medicinal liquid, because of the external and internal pressure imbalance, need substitution gas and medicinal liquid repeatedly, the labor intensity and the time that have increased the molten medicine of nurse and made up a prescription, the bottle stopper because syringe repeatedly punctures has simultaneously increased the probability that the microgranule of the chance of drug contamination and bottle stopper enters medicinal liquid.For this reason, people have developed many dispensation apparatus, as a kind of use bushing type drug feeding device, it is at the outside sleeve pipe that increases of needle tubing, though it can keep liquid bottles and powder bottle internal and external pressure balance, when it drew the powder bottle inner liquid medicine, the bushing type drug feeding device needed twice location, to draw whole medicinal liquids, increased time of compounding.
The utility model content
The purpose of this utility model is to provide a kind of disposable use dispensing needle, when absorption and injection medicinal liquid, and the one-time positioning success, efficient and convenient, dependable performance.
Disposable use dispensing needle described in the utility model, comprise needle tubing and needle stand, needle tubing is connected on the needle stand, front end and rear portion at needle tubing are respectively equipped with two side pin holes, needle stand is provided with side and portals, have inner core that the needle stand inner chamber is divided into two chambers in the needle stand, chamber is communicated with that needle stand directly portals and the rear portion side pin hole of needle tubing, and the side that another chamber is communicated with needle stand is portalled and the front pin hole of needle tubing.
Can on the side of needle stand is portalled, be equipped with connection cover, press-fit filter membrane, filter the microgranule in the input and output gas in connection cover the inner.
Under the normal assembled state, dispensing needle is furnished with helmet, guarantees safety.During use, earlier dispensing needle is connected with syringe, helmet is removed,, guarantee that the side pin hole at needle tubing rear portion enters below the liquid level, adjust air pressure, keep internal and external pressure balance by the side pin hole of needle tubing front end then with in needle tubing liquid bottles or the fluid bag.Draw the part medicinal liquid by syringe, needle tubing is extracted liquid bottles or fluid bag after, insert powder bottle medicinal liquid injected powder bottle, make the powder dissolving, then powder bottle is inverted, draw the powder bottle inner liquid medicine by syringe again, again medicinal liquid is injected in liquid bottles or the fluid bag, finish and make up a prescription.
Needle stand is the same with common syringe needle, and directly portalling is 6: 100 female cone joints, so that cooperate with syringe.
The disposable use dispensing needle of this utility model, rational in infrastructure simple, can adjust the internal and external pressure balance when making up a prescription, molten medicine, make up a prescription easily, easy to operate, safe and reliable, be beneficial to and apply.
Description of drawings
Fig. 1, this utility model one example structure sketch map.
Among the figure: 1, needle stand 2, connection cover 3, filter membrane 4, needle tubing 5,6, side pin hole 7, inner core.
The specific embodiment
The utility model is described in further detail in conjunction with the foregoing description accompanying drawing.
As shown in the figure, disposable use dispensing needle described in the utility model, comprise needle tubing 4 and needle stand 1, needle tubing 4 is connected on the needle stand 1, the front end of needle tubing 4 and rear portion are respectively equipped with two side pin holes 5,6, needle stand 1 is provided with side and portals, there is inner core 7 that the needle stand inner chamber is divided into two chambers in the needle stand 1, a chamber is communicated with the rear portion side pin hole 6 of directly portalling of needle stand 1 and needle tubing 4, the side that another chamber is communicated with needle stand 1 is portalled and the front pin hole 5 of needle tubing 4, be fitted with connection cover 2 on the side of needle stand 1 is portalled, connection cover 2 the inners are pressed with filter membrane 3, and side is portalled and communicated with atmosphere.
Under the normal condition, dispensing needle has helmet, guarantees safety.During use, earlier dispensing needle is connected with syringe by needle stand 1, helmet is removed, then needle tubing 4 is inserted in liquid bottles or the fluid bag, the side pin hole 6 that guarantees needle tubing 4 and needle stand 1 rear portion is below liquid level, adjust air pressure by needle tubing 4 forward side pin holes 5, keep internal and external pressure balance, draw the part medicinal liquid by syringe, needle tubing 4 is extracted liquid bottles or fluid bag after, insert powder bottle medicinal liquid is injected powder bottle, make the powder dissolving, then powder bottle is inverted, draw the powder bottle inner liquid medicine by syringe, again medicinal liquid is injected in liquid bottles or the fluid bag, finish and make up a prescription.
Claims (2)
1. disposable use dispensing needle, comprise needle tubing and needle stand, needle tubing is connected on the needle stand, the front end and the rear portion that it is characterized in that needle tubing are respectively equipped with two side pin holes, needle stand is provided with side and portals, have inner core that the needle stand inner chamber is divided into two chambers in the needle stand, chamber is communicated with that needle stand directly portals and the rear portion side pin hole of needle tubing, and the side that another chamber is communicated with needle stand is portalled and the front pin hole of needle tubing.
2. disposable use dispensing needle according to claim 1, the side that it is characterized in that needle stand is fitted with connection cover on portalling, and connection cover the inner is pressed with filter membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200222661U CN201042519Y (en) | 2007-05-24 | 2007-05-24 | Disposable medicine dispensing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200222661U CN201042519Y (en) | 2007-05-24 | 2007-05-24 | Disposable medicine dispensing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201042519Y true CN201042519Y (en) | 2008-04-02 |
Family
ID=39257403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200222661U Expired - Lifetime CN201042519Y (en) | 2007-05-24 | 2007-05-24 | Disposable medicine dispensing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201042519Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458853A (en) * | 2011-03-31 | 2013-12-18 | 松下电器产业株式会社 | Drug infusion needle and drug infusion method |
| CN106580698A (en) * | 2017-01-22 | 2017-04-26 | 山东威高集团医用高分子制品有限公司 | Air filtering needle |
| CN108714107A (en) * | 2017-05-26 | 2018-10-30 | 信远德怡医疗科技（北京）有限公司 | Configuration needle and configuration device with air pressure balance function |
-
2007
- 2007-05-24 CN CNU2007200222661U patent/CN201042519Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458853A (en) * | 2011-03-31 | 2013-12-18 | 松下电器产业株式会社 | Drug infusion needle and drug infusion method |
| CN106580698A (en) * | 2017-01-22 | 2017-04-26 | 山东威高集团医用高分子制品有限公司 | Air filtering needle |
| CN106580698B (en) * | 2017-01-22 | 2024-01-26 | 山东威高集团医用高分子制品有限公司 | Air filtering needle |
| CN108714107A (en) * | 2017-05-26 | 2018-10-30 | 信远德怡医疗科技（北京）有限公司 | Configuration needle and configuration device with air pressure balance function |
| CN108714107B (en) * | 2017-05-26 | 2024-02-09 | 信远德怡医疗科技（北京）有限公司 | Configuration needle and configuration device with air pressure balance function |
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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: 20080402 |
|
| CX01 | Expiry of patent term |