CN204429326U - Trace medicine powder suction means - Google Patents
Trace medicine powder suction means Download PDFInfo
- Publication number
- CN204429326U CN204429326U CN201520090059.4U CN201520090059U CN204429326U CN 204429326 U CN204429326 U CN 204429326U CN 201520090059 U CN201520090059 U CN 201520090059U CN 204429326 U CN204429326 U CN 204429326U
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- CN
- China
- Prior art keywords
- isolated tube
- hollow straw
- division board
- air bag
- diameter
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of micro-medicine powder suction means, comprise air bag, hollow straw and isolated tube, one end of described isolated tube is communicated with one end of hollow straw, the other end of described isolated tube is communicated with air bag, the diameter of described isolated tube is greater than the diameter of hollow straw, be provided with just to the division board of hollow straw in described isolated tube, the diameter of described division board is not less than the diameter of hollow straw and leaves gap between division board and the inwall of isolated tube, and the free end of described hollow straw is provided with the port plug matched with the port of hollow straw.The utility model is simple to operate, comparatively easily and accurately can control the chemical feeding quantity of medicine powder, and the utility model is provided with isolated tube, be provided with just to the division board of hollow straw in isolated tube, only between division board and the inwall of isolated tube, leave gap, enter hollow straw for the flow conductance sucked or blow out, so medicinal powder can not be made to be sucked in air bag, avoid drug contamination or waste.
Description
Technical field
The utility model relates to experiment apparatus technical field, is specifically related to a kind of micro-medicine powder suction means.
Background technology
At present when preparing micro-medicine powder, experimenter mainly takes following two kinds of modes to get it filled:
One, be poured on paper by medicinal powder, be then placed on assay balance and weigh, its shortcoming is: 1. paper non-sterile, and medicine is likely contaminated, thus affects experimental result; 2. the amount pouring medicinal powder into is difficult to control, and easily causes drug waste.
Two, pour in centrifuge tube by medicinal powder, be then placed on assay balance and weigh, shortcoming is: the amount pouring medicinal powder into relies on the vibration of medicine bottle to control completely, and dose is also difficult to control, thus causes drug waste.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of micro-medicine powder suction means, comparatively easily and accurately can control the chemical feeding quantity of medicine powder, and not have drug contamination or waste.
For achieving the above object, the utility model provides following technical scheme:
Micro-medicine powder suction means of the present utility model, comprise air bag, hollow straw and isolated tube, one end of described isolated tube is communicated with one end of hollow straw, the other end of described isolated tube is communicated with air bag, the diameter of described isolated tube is greater than the diameter of hollow straw, be provided with just to the division board of hollow straw in described isolated tube, the diameter of described division board is not less than the diameter of hollow straw and leaves gap between division board and the inwall of isolated tube, and the free end of described hollow straw is provided with the port plug matched with the port of hollow straw.
Further, described division board is connected with the inwall of isolated tube by the dowel arranged along isolated tube radial direction.
Further, described port plug is connected by connecting band with the free end outer wall of hollow straw.
Further, described air bag is rubber extruded air bag.
The beneficial effects of the utility model are:
The utility model is when drawing medicinal powder, the free end of hollow straw is placed in the medicinal powder face of medicine bottle, pinch air bag gently, now air bag produces negative pressure, suction conducts to hollow straw by air bag, can medicinal powder be sucked in hollow straw, then clog the port of hollow straw by port plug, prevent medicinal powder from discharging; Hollow straw is shifted out medicine bottle, the free end of hollow straw is stretched into in the test tube of splendid attire medicinal powder or centrifuge tube, extract port plug, then pinch a lower gasbag, make it produce the air-flow of blowout, the medicinal powder in hollow straw is blown in test tube or centrifuge tube.
The utility model is simple to operate, comparatively easily and accurately can control the chemical feeding quantity of medicine powder, and the utility model is provided with isolated tube, be provided with just to the division board of hollow straw in isolated tube, only between division board and the inwall of isolated tube, leave gap, enter hollow straw for the flow conductance sucked or blow out, so medicinal powder can not be made to be sucked in air bag, avoid drug contamination or waste.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of micro-medicine powder suction means of the present utility model;
Fig. 2 is the cross-sectional structure schematic diagram of isolated tube.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Fig. 1 is the structural representation of micro-medicine powder suction means of the present utility model, Fig. 2 is the cross-sectional structure schematic diagram of isolated tube, as shown in the figure, micro-medicine powder suction means of the present utility model, comprise air bag 1, hollow straw 2 and isolated tube 3, one end of described isolated tube 3 is communicated with one end of hollow straw 2, the other end of described isolated tube 3 is communicated with air bag 1, the diameter of described isolated tube 3 is greater than the diameter of hollow straw 2, be provided with just to the division board 4 of hollow straw 2 in described isolated tube 3, the diameter of described division board 4 is not less than the diameter of hollow straw 2 and leaves gap between the inwall of division board 4 and isolated tube 3, the free end of described hollow straw 2 is provided with the port plug 5 matched with the port of hollow straw 2.
In the utility model, described division board 4 is connected with the inwall of isolated tube 3 by the dowel 6 arranged along isolated tube 3 radial direction.
In the utility model, described port plug 5 is connected by connecting band 7 with the free end outer wall of hollow straw 2.
In the utility model, described air bag 1 is rubber extruded air bag.
The utility model is when drawing medicinal powder, the free end of hollow straw 2 is placed in the medicinal powder face of medicine bottle, pinch air bag 1 gently, now air bag 1 produces negative pressure, suction conducts to hollow straw 2 by air bag 1, medicinal powder can be sucked in hollow straw 2, then clog the port of hollow straw 2 by port plug 5, prevent medicinal powder from discharging; Hollow straw 2 is shifted out medicine bottle, the free end of hollow straw 2 is stretched into in the test tube of splendid attire medicinal powder or centrifuge tube, extract port plug 5, then pinch a lower gasbag 1, make it produce the air-flow of blowout, the medicinal powder in hollow straw 2 is blown in test tube or centrifuge tube; Leave gap between the inwall of division board 4 and isolated tube 3, enter hollow straw 2 for the flow conductance sucked or blow out, so medicinal powder can not be made to be sucked in air bag 1, avoid drug contamination or waste.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.
Claims (4)
1. a micro-medicine powder suction means, it is characterized in that: comprise air bag, hollow straw and isolated tube, one end of described isolated tube is communicated with one end of hollow straw, the other end of described isolated tube is communicated with air bag, the diameter of described isolated tube is greater than the diameter of hollow straw, be provided with just to the division board of hollow straw in described isolated tube, the diameter of described division board is not less than the diameter of hollow straw and leaves gap between division board and the inwall of isolated tube, and the free end of described hollow straw is provided with the port plug matched with the port of hollow straw.
2. micro-medicine powder suction means according to claim 1, is characterized in that: described division board is connected with the inwall of isolated tube by the dowel arranged along isolated tube radial direction.
3. micro-medicine powder suction means according to claim 1, is characterized in that: described port plug is connected by connecting band with the free end outer wall of hollow straw.
4. micro-medicine powder suction means according to claim 1, is characterized in that: described air bag is rubber extruded air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090059.4U CN204429326U (en) | 2015-02-09 | 2015-02-09 | Trace medicine powder suction means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090059.4U CN204429326U (en) | 2015-02-09 | 2015-02-09 | Trace medicine powder suction means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204429326U true CN204429326U (en) | 2015-07-01 |
Family
ID=53597247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520090059.4U Expired - Fee Related CN204429326U (en) | 2015-02-09 | 2015-02-09 | Trace medicine powder suction means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204429326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957365A (en) * | 2020-08-22 | 2020-11-20 | 江苏科华医疗器械科技有限公司 | Multi-range quantitative pipette and pipetting method thereof |
-
2015
- 2015-02-09 CN CN201520090059.4U patent/CN204429326U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957365A (en) * | 2020-08-22 | 2020-11-20 | 江苏科华医疗器械科技有限公司 | Multi-range quantitative pipette and pipetting method thereof |
| CN111957365B (en) * | 2020-08-22 | 2023-08-04 | 江苏科华医疗器械科技有限公司 | Multi-range quantitative pipette and pipetting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20160209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |