CN203123026U - Dispensing needle - Google Patents
Dispensing needle Download PDFInfo
- Publication number
- CN203123026U CN203123026U CN 201320136181 CN201320136181U CN203123026U CN 203123026 U CN203123026 U CN 203123026U CN 201320136181 CN201320136181 CN 201320136181 CN 201320136181 U CN201320136181 U CN 201320136181U CN 203123026 U CN203123026 U CN 203123026U
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- CN
- China
- Prior art keywords
- needle
- liquid
- cavity
- tapping
- liquid discharge
- 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 - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a dispensing needle. The dispensing needle adopts the structure that a liquid pumping needle and a liquid discharge needle are mounted on a needle base; a liquid pumping cavity and a liquid pumping ventilation cavity are formed in the liquid pumping needle, the liquid pumping cavity is communicated with the needle base, and a filter core and a liquid feeding one-way valve are arranged between the liquid pumping cavity and the needle base; one end, located at the needle base side, of the liquid pumping ventilation cavity is communicated with the outside; a liquid discharge cavity and a liquid discharge ventilation cavity are formed in the liquid discharge needle; the liquid discharge cavity is communicated with the needle base, and a liquid discharge one-way valve is arranged between the liquid discharge cavity and the needle base; and one end, located at the needle base side, of the liquid discharge ventilation cavity is communicated with the outside. The dispensing needle can prevent bottle plug scraps from mixing into an agent, due to the cavities used for ventilation, the air pressure in a bottle can keep balance when a liquid medicine is sucked in and discharged out, and the operation is more convenient and faster.
Description
Technical field
This utility model belongs to medical apparatus and instruments, relates to a kind of dispensing needle.
Background technology
Medical personnel are when giving patient infusion, need configuration medicinal liquid earlier, at present, dispose medicinal liquid clinically and use disposable syringe mostly, this kind operation exists various disadvantages: 1. disposable syringe is when inserting medicine bottle, be easy to cause the fragmentation of plastic cement bottle stopper, cause crumb of bottle stopper to be brought in the medicament with syringe needle, cause medicament to pollute.2. medical personnel are when extracting medicament, each extraction all needs to extract in advance liquid or gas in infusion bottle or ampoule, all need repeat this during one bottle of medicament of every extraction and move to reach internal and external pressure balance, so operation brings very big difficulty for medical personnel's the work of making up a prescription.
The utility model content
For overcoming the prior art deficiency, it is a kind of simple in structure that this utility model provides, and it is convenient to extract medicament, can avoid chip to fall into the dispensing needle of ampoule.
For realizing above-mentioned technical purpose, this utility model by the following technical solutions: a kind of dispensing needle is equipped with liquid pumping needle and tapping pin at the different directions of needle stand; Be provided with drawing liquid chamber isolation and that be respectively equipped with side opening and drawing liquid venting cavity in the liquid pumping needle; The drawing liquid chamber is communicated with needle stand, and is provided with filter element and feed liquor check valve between the two; The end that the drawing liquid venting cavity is positioned at needle stand communicates with the external world; Be provided with tapping chamber isolation and that be respectively equipped with side opening and tapping venting cavity in the tapping pin; The tapping chamber is communicated with needle stand, and is provided with the tapping check valve between the two; The end that the tapping venting cavity is positioned at needle stand communicates with the external world.
The beneficial effects of the utility model are: do not adopt same puncture needle owing to suck in the process of making up a prescription with discharge, so can prevent crumb of bottle stopper sneaks in the medicament, because it is provided with the tract for ventilation, the bottle internal gas pressure can keep balance, faster and more convenient operation when sucking and discharge medicinal liquid.
Description of drawings
Fig. 1 is this utility model structural representation.
Among the figure, 1, liquid pumping needle, 2, the drawing liquid chamber, 3, the tapping check valve, 4, the drawing liquid venting cavity, 5, side opening, 6, cross filter element, 7, the feed liquor check valve, 8, needle stand, 9, the tapping pin, 10, the tapping chamber, 11, the tapping venting cavity.
The specific embodiment
Referring to shown in Figure 1, a kind of dispensing needle is equipped with liquid pumping needle 1 and tapping pin 9 at the different directions of needle stand 8; Be provided with drawing liquid chamber 2 and drawing liquid venting cavity 4 isolation and that be respectively equipped with side opening 5 in the liquid pumping needle 1; Drawing liquid chamber 2 is communicated with needle stand 8, and is provided with filter element 6 and feed liquor check valve 7 between the two; The end that drawing liquid venting cavity 4 is positioned at needle stand 8 communicates with the external world; Be provided with tapping chamber 10 and tapping venting cavity 11 isolation and that be respectively equipped with side opening 5 in the tapping pin 9; Tapping chamber 10 is communicated with needle stand 8, and is provided with tapping check valve 3 between the two; The end that tapping venting cavity 11 is positioned at needle stand 8 communicates with the external world.
Claims (1)
1. dispensing needle, it is characterized in that: the different directions at needle stand is equipped with liquid pumping needle and tapping pin; Be provided with drawing liquid chamber isolation and that be respectively equipped with side opening and drawing liquid venting cavity in the liquid pumping needle; The drawing liquid chamber is communicated with needle stand, and is provided with filter element and feed liquor check valve between the two; The end that the drawing liquid venting cavity is positioned at needle stand communicates with the external world; Be provided with tapping chamber isolation and that be respectively equipped with side opening and tapping venting cavity in the tapping pin; The tapping chamber is communicated with needle stand, and is provided with the tapping check valve between the two; The end that the tapping venting cavity is positioned at needle stand communicates with the external world.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320136181 CN203123026U (en) | 2013-03-13 | 2013-03-13 | Dispensing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320136181 CN203123026U (en) | 2013-03-13 | 2013-03-13 | Dispensing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203123026U true CN203123026U (en) | 2013-08-14 |
Family
ID=48931061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320136181 Expired - Fee Related CN203123026U (en) | 2013-03-13 | 2013-03-13 | Dispensing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203123026U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997510A (en) * | 2016-08-03 | 2016-10-12 | 深圳市库贝尔生物科技股份有限公司 | Puncture needle |
| CN106092705A (en) * | 2016-06-12 | 2016-11-09 | 上海裕隆生物科技有限公司 | A kind of self-closed type single current to dyeing pin group |
| CN106176222A (en) * | 2016-08-25 | 2016-12-07 | 莱芜钢铁集团有限公司医院 | A kind of medicated powder dosing auxiliary device |
| CN108294945A (en) * | 2018-01-25 | 2018-07-20 | 江苏苏云医疗器材有限公司 | Dispenser |
-
2013
- 2013-03-13 CN CN 201320136181 patent/CN203123026U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092705A (en) * | 2016-06-12 | 2016-11-09 | 上海裕隆生物科技有限公司 | A kind of self-closed type single current to dyeing pin group |
| CN105997510A (en) * | 2016-08-03 | 2016-10-12 | 深圳市库贝尔生物科技股份有限公司 | Puncture needle |
| CN106176222A (en) * | 2016-08-25 | 2016-12-07 | 莱芜钢铁集团有限公司医院 | A kind of medicated powder dosing auxiliary device |
| CN106176222B (en) * | 2016-08-25 | 2018-09-25 | 莱芜钢铁集团有限公司医院 | A kind of medicinal powder matches liquid auxiliary device |
| CN108294945A (en) * | 2018-01-25 | 2018-07-20 | 江苏苏云医疗器材有限公司 | Dispenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140313 |