JPS5892946U - Venting needle for infusion - Google Patents
Venting needle for infusionInfo
- Publication number
- JPS5892946U JPS5892946U JP18573981U JP18573981U JPS5892946U JP S5892946 U JPS5892946 U JP S5892946U JP 18573981 U JP18573981 U JP 18573981U JP 18573981 U JP18573981 U JP 18573981U JP S5892946 U JPS5892946 U JP S5892946U
- Authority
- JP
- Japan
- Prior art keywords
- infusion
- needle
- ventilation passage
- venting needle
- ventilation
- 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.)
- Pending
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の輸液用通気針の使用状態を示す説明図、
第２図は同じく通気針内に流入した輸液の逆流現象を示
す説明図、第３図はこの考案に係る通気針の一実施例を
示す断面図、第４図は同じく他の実施例を示す断面図で
ある。
８・・・通気針、９・・・基部、１０・・・通気路、１
１・・・刺針部、１２． １３・・・エアフィルター、
１４・・・ホルダー。FIG. 1 is an explanatory diagram showing how a conventional infusion vent needle is used;
FIG. 2 is an explanatory diagram showing the backflow phenomenon of the infusion fluid that has flowed into the ventilation needle, FIG. 3 is a sectional view showing one embodiment of the ventilation needle according to this invention, and FIG. 4 similarly shows another embodiment. FIG. 8... Ventilation needle, 9... Base, 10... Ventilation path, 1
1... Needle part, 12. 13...Air filter,
14...Holder.
Claims (1)
部を設けた通気針において、前記基部の通気路に複数個
のエアフィルターを重ね合せて配置して、該エアフィル
ターを通して外気を流入させるようにさせ、かつ該エア
フィルターのうち、少なくとも前記刺針部側に配設され
たエアフィルターを撥水性を有する疎水性物質で形成し
たことを特徴とする輸液用通気針。In the ventilation needle, which has a base having a ventilation passage and a prick that communicates with the ventilation passage, a plurality of air filters are arranged one on top of the other in the ventilation passage of the base, and outside air flows in through the air filter. 1. A venting needle for infusion, characterized in that at least one of the air filters disposed on the pricking needle side is made of a hydrophobic substance having water repellency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18573981U JPS5892946U (en) | 1981-12-15 | 1981-12-15 | Venting needle for infusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18573981U JPS5892946U (en) | 1981-12-15 | 1981-12-15 | Venting needle for infusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5892946U true JPS5892946U (en) | 1983-06-23 |
Family
ID=29987061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18573981U Pending JPS5892946U (en) | 1981-12-15 | 1981-12-15 | Venting needle for infusion |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5892946U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5895840U (en) * | 1981-12-22 | 1983-06-29 | 株式会社石川製作所 | Air needle using a syringe needle |
| CN104306155A (en) * | 2014-11-07 | 2015-01-28 | 广州德米医用设备有限公司 | Method for fixing air filter membrane and air inlet of disposable medicine feeder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3157481A (en) * | 1961-12-11 | 1964-11-17 | Abbott Lab | Air filter assembly |
| JPS449835Y1 (en) * | 1967-02-08 | 1969-04-21 |
-
1981
- 1981-12-15 JP JP18573981U patent/JPS5892946U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3157481A (en) * | 1961-12-11 | 1964-11-17 | Abbott Lab | Air filter assembly |
| JPS449835Y1 (en) * | 1967-02-08 | 1969-04-21 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5895840U (en) * | 1981-12-22 | 1983-06-29 | 株式会社石川製作所 | Air needle using a syringe needle |
| CN104306155A (en) * | 2014-11-07 | 2015-01-28 | 广州德米医用设备有限公司 | Method for fixing air filter membrane and air inlet of disposable medicine feeder |
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