【考案の詳細な説明】
本考案は医療用薬液を混合する混合針に関する
ものである。従前に施て、真空ビンに保存されて
いた抗生物質粉体又は薬液等に蒸留水を注入して
混合する場合は、蒸留水ビンに空気針を注入して
次にビニール細管の両端に注射針を結合した連結
器具の一方の注射針を深く刺通し、次に他方の注
射針を抗生物質粉体又は薬液等を保存しているビ
ンに刺通して、蒸留水を真空ビン内へ吸引移転さ
せて、該薬剤と蒸留水は混合する。しかし乍ら、
真空ビン内部にガスが発生した場合にはその真空
ビンの真空度が失なわれて、前記した混合方法で
は、充分に蒸留水を該真空ビン内へ吸引移転させ
ることは困難なことがある。そこで、かかる問題
点を鑑みて、真空又は常圧の場合であつても、薬
液混合の作業が極めて楽にしかも薬液の移転が円
滑に出来る混合針を提供するものである。次に本
考案を一実施例の図面によつて詳細に説明をす
る。第１図は従前の一実施例の側面断面図であ
る。蒸留水１と抗生物質粉体又は薬液等薬剤とを
混合する場合は、蒸留水ビン１ａに空気針３を刺
通して次にビニール製連結管４の注射針４ａをビ
ン１ａに刺通してクランプ４ｂをスイツチ閉にし
て該管４の他方の注射針４ｃを真空ビン２ｂへ刺
通する。次にクランプ４ｂのスイツチを開にし
て、蒸留水１をビン２ｂへ吸引移転させる。この
場合に、ビン２ｂが真空度を失なつた分だけ、蒸
留水１を吸引することが出来ない。第２図は本考
案一実施例の側面断面図である。二通路を有した
針管５の薬液ビンを保持する針基６は一体成型を
成し外周面から該二通路の各々に連通した空気通
路６ａ，６a′を設けて空気採取口６ｂ，６b′にフ
イルター７，７′を薬液の逆流出を防止し設けて
ある。第３図は、第２図の一使用例の態様を示す
側面断面図である。蒸留水１′が真空ビン９内へ
移転する。真空ビン９内のガス１０はビン８内へ
移転する。更にガス１０の圧力によつては、空気
通路６a′から外部へ抜ける。外気は空気通路６ａ
からビン８内へ導入されて蒸留水１′の移転は加
速される。更にフイルター７，７′は蒸留水等薬
液が外部へ流出させない役目をしているので、作
業中は薬液の流出は防止されている。[Detailed Description of the Invention] The present invention relates to a mixing needle for mixing medical liquids. When injecting distilled water into the previously applied antibiotic powder or drug solution stored in a vacuum bottle and mixing it, inject an air needle into the distilled water bottle and then insert the injection needle into both ends of the vinyl tube. Deeply pierce one needle of the connecting device with which the The drug and distilled water are mixed. However,
If gas is generated inside the vacuum bottle, the degree of vacuum in the vacuum bottle is lost, and it may be difficult to suction and transfer sufficient distilled water into the vacuum bottle using the mixing method described above. Therefore, in view of these problems, it is an object of the present invention to provide a mixing needle that allows the mixing operation of chemical liquids to be extremely easy and the transfer of chemical liquids to be carried out smoothly even in the case of a vacuum or normal pressure. Next, the present invention will be explained in detail with reference to the drawings of one embodiment. FIG. 1 is a side sectional view of a conventional embodiment. When mixing distilled water 1 and a drug such as antibiotic powder or liquid medicine, first pierce the distilled water bottle 1a with the air needle 3, then pierce the syringe needle 4a of the vinyl connecting tube 4 into the bottle 1a, and then tighten the clamp 4b. The switch is closed and the other injection needle 4c of the tube 4 is inserted into the vacuum bottle 2b. Next, the switch of the clamp 4b is opened to suction and transfer the distilled water 1 to the bottle 2b. In this case, the distilled water 1 cannot be sucked in to the extent that the bottle 2b loses its degree of vacuum. FIG. 2 is a side sectional view of one embodiment of the present invention. The needle base 6 of the needle tube 5 which has two passages and which holds the medicinal liquid bottle is integrally molded, and has air passages 6a and 6a' communicating with each of the two passages from the outer circumferential surface, and air intake ports 6b and 6b'. Filters 7 and 7' are provided to prevent backflow of the chemical solution. FIG. 3 is a side sectional view showing an aspect of an example of use in FIG. 2. FIG. Distilled water 1' is transferred into vacuum bottle 9. Gas 10 in vacuum bottle 9 is transferred into bottle 8. Furthermore, depending on the pressure of the gas 10, it may escape to the outside through the air passage 6a'. Outside air is air passage 6a
The distilled water 1' is introduced into the bottle 8 and the transfer of the distilled water 1' is accelerated. Furthermore, the filters 7, 7' serve to prevent chemical solutions such as distilled water from flowing out to the outside, so that the chemical solutions are prevented from flowing out during work.
以上の様にして、本考案は、一実施例によれ
ば、針基６の空気通路６ａ，６a′を設けて、真空
圧又は常圧の場合であつても、薬液混合が中断す
ることがなく円滑に行うことが出来る等の特徴を
有している。 As described above, according to one embodiment of the present invention, the air passages 6a and 6a' of the needle base 6 are provided so that mixing of the drug solution can be prevented even under vacuum pressure or normal pressure. It has the characteristics that it can be carried out smoothly without any problems.
【図面の簡単な説明】[Brief explanation of the drawing]
第１図…従前の一実施例の側面断面図。第２図
…本考案の一実施例の側面断面図。第３図…第２
図の一使用例態様を示す側面断面図。
１，１′……蒸留水、１ａ……ビン、２，２′…
…薬剤、２ｂ……真空ビン、３……空気針、４…
…連結管、４ａ，４ｃ……注射針、４ｂ……クラ
ンプ、５……二通路を有した針管、５ａ，５a′…
…刃の先端、６……針基、６ａ，６a′……空気通
路、６ｂ，６b′……空気採取口、７，７′……フ
イルター、８……ビン、９……真空ビン、１０…
…ガス。
FIG. 1: A side sectional view of a previous embodiment. FIG. 2: A side sectional view of an embodiment of the present invention. Figure 3…Second
FIG. 2 is a side cross-sectional view showing one usage example mode of the figure. 1,1'...distilled water, 1a...bottle, 2,2'...
...Drug, 2b...Vacuum bottle, 3...Air needle, 4...
... Connecting tube, 4a, 4c... Hypothesis needle, 4b... Clamp, 5... Needle tube with two passages, 5a, 5a'...
...Blade tip, 6... Needle base, 6a, 6a'... Air passage, 6b, 6b'... Air sampling port, 7, 7'... Filter, 8... Bottle, 9... Vacuum bottle, 10 …
…gas.