JPS63192449A - Medical needle and medical instrument equipped therewith - Google Patents
Medical needle and medical instrument equipped therewithInfo
- Publication number
- JPS63192449A JPS63192449A JP62025307A JP2530787A JPS63192449A JP S63192449 A JPS63192449 A JP S63192449A JP 62025307 A JP62025307 A JP 62025307A JP 2530787 A JP2530787 A JP 2530787A JP S63192449 A JPS63192449 A JP S63192449A
- Authority
- JP
- Japan
- Prior art keywords
- hub
- needle
- medical
- hollow needle
- protector
- 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
- 230000001012 protector Effects 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 239000008280 blood Substances 0.000 description 13
- 210000004369 blood Anatomy 0.000 description 13
- 230000001954 sterilising effect Effects 0.000 description 9
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
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
【発明の詳細な説明】
（産業上の利用分野）
この発明は医療用針およびこれを備えてなる医療用器具
に係わり、特に採血針のハブとプロテクターとの嵌合部
の改良に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a medical needle and a medical instrument equipped with the same, and particularly relates to an improvement in a fitting portion between a hub of a blood sampling needle and a protector.
（従来の技術）
従来、医療用針を備えた医療用器具、たとえば採血針付
き血液バッグはに５図に示す如く、血液を収容する容器
本体１と、この容器本体１の内部と連通ずるようにして
接続されたチューブ２の一端に取り着けられた針部３と
、針部３を被冠するプロテクター４とを具備してなるも
のであった。(Prior Art) Conventionally, a medical device equipped with a medical needle, for example, a blood bag with a blood collection needle, has a container main body 1 containing blood, and the inside of the container main body 1 communicates with each other, as shown in FIG. The needle part 3 was attached to one end of a tube 2 which was connected to the needle part 3, and a protector 4 which covered the needle part 3.
なお本図中５Ｆｉ採取した血液の取出し、又は混注の九
めのポートである。In this figure, 5Fi is the ninth port for taking out the collected blood or for co-injecting it.
（発明が解決しようとする問題点）
この場合、第６図又は第７図に示すようにプロテクター
４は針部３のハブ３ａの周面に嵌合、密着するようにし
て採血針３を被冠するようになっている九め、その間の
通気性はほとんど無に等しいものであり７’ｊ、 ｔ、
九がって、この従来の空の血液バッグの滅菌はもっばら
オートクレーブ滅菌に限定されるという問題があり念。(Problems to be Solved by the Invention) In this case, as shown in FIG. 6 or FIG. The air permeability between the nine crowns is almost nil.7'j, t,
However, there is a problem in that conventional sterilization of empty blood bags is limited to autoclave sterilization.
この発明は上記事情に鑑みてなされたものであって、ガ
ス滅菌可能な医療用針を備えた医療用器具を提供するこ
とを目的とする。This invention has been made in view of the above circumstances, and an object thereof is to provide a medical instrument equipped with a medical needle that can be gas sterilized.
（問題点を解決するための手段）
すなわち、この発明は上記問題点を解決するための手段
として先端が尖端となった中空針と、該中空針の基端側
を支持するとともに他端にチューブを前記中空針と連通
ずるよう接続することができるハブとからなる針部と、
該ハブから露出する前記中空針を被冠するよう該ハブに
嵌合されたプロテクターとからなる医療用針において、
該ハブと該プロテクターとの嵌合部に外気と前記中空針
先端とを連通させる気体通路が形成でれてなることを特
徴とする医療用針を提供するものである。(Means for Solving the Problems) That is, as a means for solving the above problems, the present invention provides a hollow needle with a pointed tip, a tube supporting the proximal end of the hollow needle, and a tube at the other end. a needle portion comprising a hub that can be connected to communicate with the hollow needle;
A medical needle comprising a protector fitted to the hub so as to cover the hollow needle exposed from the hub,
The present invention provides a medical needle characterized in that a gas passage is formed at a fitting portion between the hub and the protector to communicate the outside air with the hollow needle tip.
さらにこの発明は上記医療用針において、上記気体通路
が上記ハブ周面に阿凸部又は凹溝を設けることにより形
成され、これにより上記問題点の解決を図らんとするも
のである。Further, in the medical needle of the present invention, the gas passage is formed by providing a convex portion or a groove on the circumferential surface of the hub, thereby attempting to solve the above-mentioned problems.
さらに、この発明は先端が尖端となった中空針と、該中
空針の基端側を支持するとともに他端にチューブを前記
中空針と連通ずるよう接続することができるハブとから
なる針部と、該ハブから露出する前記中空針を被冠する
よう該ハブに嵌合されたプロテクターとからなり、該ハ
ブとプロテクターとの嵌合部に外気と前記中空針先端と
を連通させる気体通路が形成されてなる医療用針と、液
体を収容する容器と、一端が前記中空針と連通ずるよう
に前記ハブの基端に接続されかつ他端が前記容器と連通
接続し几チューブとを備えてなることを特徴とする医療
用器具を提供するものである。Further, the present invention provides a needle portion comprising a hollow needle having a pointed tip, and a hub that supports the proximal end side of the hollow needle and can connect a tube to the other end so as to communicate with the hollow needle. , a protector fitted to the hub so as to cover the hollow needle exposed from the hub, and a gas passage that communicates the outside air with the tip of the hollow needle is formed at the fitting portion between the hub and the protector. a container containing a liquid; and a tube having one end connected to the proximal end of the hub so as to communicate with the hollow needle and the other end communicating with the container. The present invention provides a medical device characterized by the following.
（作 用）
この発明に係わる医療用針を備えた医療用器具によれば
医療用針のハブ局面と、プロテクター内壁面との間に滅
菌ガス（たとえばエチレンオキサイドガス）が透過可能
な気体通路が形成されているため、ガス滅菌が可能とな
り、したがって滅菌処理の容易化、高効率化を図ること
が可能となる。(Function) According to the medical device equipped with the medical needle according to the present invention, a gas passage through which sterilizing gas (for example, ethylene oxide gas) can pass is provided between the hub surface of the medical needle and the inner wall surface of the protector. Because of this, gas sterilization is possible, and therefore sterilization can be performed easily and with high efficiency.
（実施例） 以下、この発明を図示の実施例を参照して説明する。(Example) The present invention will be described below with reference to illustrated embodiments.
第１図は本発明の一実施例における医療用針を一部拡大
して示す斜視図であって、中空針１ノの基端を固定する
ハブ１２の周面上にその軸方向に延びた凹溝１３が４本
、等間隔に離間して設けられている。この上うな凹溝１
３が設けられる結果、第２図に示すように、プロテクタ
ー１４を針部３に被冠したとき、プロテクタ−１４内壁
面１４ａと凹溝１３間に気体通路１５が形成される。ハ
ブ１２とプロテクター１４は、同じ材料のものが好まし
く、オレフィン系グラスチックとくにポリプロピレンで
構成するのが好適である。FIG. 1 is a partially enlarged perspective view of a medical needle according to an embodiment of the present invention, in which a hub 12 extends in the axial direction on the circumferential surface of a hub 12 that fixes the proximal end of a hollow needle 1. Four grooves 13 are provided at equal intervals. This upper eel concave groove 1
3, a gas passage 15 is formed between the inner wall surface 14a of the protector 14 and the groove 13 when the protector 14 is placed over the needle portion 3, as shown in FIG. The hub 12 and the protector 14 are preferably made of the same material, preferably olefinic glass, particularly polypropylene.
したがって、このような気体通路１５をハブ１２周面上
に設けた医療用針′ｌ＆：第５図に示す如き空の血液バ
ッグにチューブ２を介して取り着け、ガス滅菌すると、
滅菌ガス（たとえばエチレンオキサイドガス）は気体通
路１５を介してチューブ２に通り、容器本体１内に導入
され、空の血液バング内部全体をガス滅菌することがで
きる。Therefore, when a medical needle with such a gas passage 15 provided on the peripheral surface of the hub 12 is attached to an empty blood bag as shown in FIG. 5 via the tube 2 and sterilized with gas,
A sterilizing gas (e.g. ethylene oxide gas) is introduced into the tube 2 via the gas passage 15 into the container body 1 so that the entire interior of the empty blood bung can be gas sterilized.
一般に、接続用チューブは可読性の塩化ビニル系樹脂で
構成される。Generally, the connecting tube is made of a legible vinyl chloride resin.
なお、第１図に示す実施例においては気体通路１５を形
成させるためノ・１１２周面上に軸方向に延びる凹溝１
３を形成させる例について説明したが、これに限らず任
意の形状の凹凸をハブ１２周面上に形成させることによ
り、プロテクター内面との間に採血針先端に連通ずる空
隙、すなわち気体通路１５を形成させるようにすること
ができる。In the embodiment shown in FIG. 1, a groove 1 extending in the axial direction is provided on the circumferential surface of No. 112 in order to form the gas passage 15.
3 has been described, by forming unevenness of any shape on the circumferential surface of the hub 12, it is possible to create a gap, that is, a gas passage 15, which communicates with the tip of the blood collection needle between the inner surface of the protector and the inner surface of the protector. can be caused to form.
たとえば第３図に示す如く多数の３角形状の突起１６ｆ
ｔ：ハブ１２周面上に突設させ念もの、あるいは第４図
に示す如く、ネジ様線条突起１７をハブ１２周面上に突
設させたものなど任意の形状を選択し得る。また、プロ
テクターの内面に凹溝ま友は任意の形状の凹凸を設けて
もよい。なお、血液バッグ等の採血用の液体収容容器を
構成する塩化ビニル系樹脂としては塩化ビニルのホモポ
リマーの他に塩化ビニリデン、酢酸ビニル、ビニルアル
コール等と塩化ビニルとのコポリマーがある。For example, as shown in FIG. 3, a large number of triangular protrusions 16f
t: An arbitrary shape can be selected, such as a projection provided on the peripheral surface of the hub 12, or a projection provided with a screw-like linear protrusion 17 projected on the peripheral surface of the hub 12, as shown in FIG. Furthermore, the inner surface of the protector may be provided with irregularities of any shape. In addition to homopolymers of vinyl chloride, vinyl chloride resins constituting liquid containers for blood collection such as blood bags include copolymers of vinyl chloride, vinyl acetate, vinyl alcohol, etc., and vinyl chloride.
（発明の効果）
以上、詳述し之如く本発明によれば、医療用針を備えた
医療用器具の医療用針のハブ周面と、これに嵌合するプ
ロテクター内面との間に気体通路を形成し、気体が採血
針外部からこの気体通路を介して上記医療用器具内部に
自由に通過し得るようにしたから、医療用針を備えた医
療用器具の滅菌処理に際し、ガス滅菌法を採用すること
が可能となり、したがって滅菌処理の迅速化、効率化を
著るしく向上させることができる。(Effects of the Invention) As described above in detail, according to the present invention, a gas passage is provided between the hub peripheral surface of the medical needle of a medical device equipped with a medical needle and the inner surface of the protector that fits therein. , allowing gas to freely pass from the outside of the blood collection needle into the medical device through this gas passage, making it possible to use the gas sterilization method when sterilizing medical devices equipped with medical needles. Therefore, the speed and efficiency of sterilization processing can be significantly improved.
第１図は本発明の一実施例に係わる医療用針のハブ部分
を拡大して示す斜視図、第２図は第１図に示すハブにプ
ロテクターを被冠させｔときの状態を示す断面図、第３
図およびｇ４図は本発明の他の実施例を示す採血針のハ
ブ部分の拡大斜視図、第５図は医療用針を備えた医療用
器具の平面図、Ｋ６図は針部とプロテクターとの嵌合関
係を示す平面図、第７図は従来の採血針とキャップとの
嵌合状態を示す一部断面図である。
図中、１・・・容器本体、２・・・チューブ、３・・・
針部、３ａ・・・ハブ、４・・・プロテクター、１１・
・・中空針、１２・・・ハブ、１３・・・凹溝、１４・
・・プロテクター、１４ａ・・・キャップ内面、１５・
・・気体通路、１６・・・３角形状突起、１７・・・ネ
ジ様線条突起。
第１図 第２図
第３図 第４図FIG. 1 is an enlarged perspective view of a hub portion of a medical needle according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view showing a state in which the hub shown in FIG. 1 is covered with a protector. , 3rd
Figures 4 and 4 are enlarged perspective views of the hub portion of a blood collection needle showing other embodiments of the present invention, Figure 5 is a plan view of a medical instrument equipped with a medical needle, and Figure K6 is a diagram showing the relationship between the needle portion and the protector. FIG. 7 is a plan view showing a fitting relationship, and a partial cross-sectional view showing a fitting state of a conventional blood collection needle and a cap. In the figure, 1... Container body, 2... Tube, 3...
Needle part, 3a... hub, 4... protector, 11.
...Hollow needle, 12...Hub, 13...Concave groove, 14.
...Protector, 14a...Inner surface of cap, 15.
... Gas passage, 16... Triangular projection, 17... Screw-like striated projection. Figure 1 Figure 2 Figure 3 Figure 4
Claims (5)
を支持するとともに他端にチューブを前記中空針と連通
するよう接続することができるハブとからなる針部と、
該ハブから露出する前記中空針を被冠するよう該ハブに
嵌合されたプロテクターとからなる医療用針において、
該ハブと該プロテクターとの嵌合部に外気と前記中空針
先端とを連通させる気体通路が形成されてなることを特
徴とする医療用針。(1) A needle portion consisting of a hollow needle with a pointed tip and a hub that supports the proximal end side of the hollow needle and can connect a tube to the other end so as to communicate with the hollow needle;
A medical needle comprising a protector fitted to the hub so as to cover the hollow needle exposed from the hub,
A medical needle characterized in that a gas passage is formed in a fitting portion between the hub and the protector to communicate the outside air with the hollow needle tip.
により構成されてなる特許請求の範囲第１項記載の医療
用針。(2) The medical needle according to claim 1, wherein the gas passage is constituted by an uneven portion formed on the peripheral surface of the hub.
より構成されてなる特許請求の範囲第１項記載の医療用
針。(3) The medical needle according to claim 1, wherein the gas passage is constituted by a groove formed on the peripheral surface of the hub.
より構成されてなる特許請求の範囲第１項記載の医療用
針。(4) The medical needle according to claim 1, wherein the gas passage is constituted by a convex portion formed on the peripheral surface of the hub.
を支持するとともに他端にチューブを前記中空針と連通
するよう接続することができるハブとからなる針部と、
該ハブから露出する前記中空針を被冠するよう該ハブに
嵌合されたプロテクターとからなり、該ハブとプロテク
ターとの嵌合部に外気と前記中空針先端とを連通させる
気体通路が形成されてなる医療用針と、液体を収容する
容器と、一端が前記中空針と連通するように前記ハブの
基端に接続されかつ他端が前記容器と連通接続したチュ
ーブとを備えてなることを特徴とする医療用器具。(5) a needle portion consisting of a hollow needle with a pointed tip and a hub that supports the proximal end side of the hollow needle and can connect a tube to the other end so as to communicate with the hollow needle;
and a protector fitted to the hub so as to cover the hollow needle exposed from the hub, and a gas passage that communicates the outside air with the tip of the hollow needle is formed at the fitting portion between the hub and the protector. a medical needle, a container containing a liquid, and a tube having one end connected to the proximal end of the hub so as to communicate with the hollow needle and the other end communicating with the container. Characteristic medical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62025307A JPS63192449A (en) | 1987-02-05 | 1987-02-05 | Medical needle and medical instrument equipped therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62025307A JPS63192449A (en) | 1987-02-05 | 1987-02-05 | Medical needle and medical instrument equipped therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63192449A true JPS63192449A (en) | 1988-08-09 |
Family
ID=12162353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62025307A Pending JPS63192449A (en) | 1987-02-05 | 1987-02-05 | Medical needle and medical instrument equipped therewith |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63192449A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002282359A (en) * | 2001-03-27 | 2002-10-02 | Nihon Medi Physics Co Ltd | Prefilled syringe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613953U (en) * | 1979-07-13 | 1981-02-05 | ||
| JPS57139349A (en) * | 1981-02-20 | 1982-08-28 | Terumo Corp | Body liquid sampling and blood transfusion apparatus and production thereof |
| JPS5825171A (en) * | 1981-08-06 | 1983-02-15 | テルモ株式会社 | Syringe |
| JPS58155866A (en) * | 1982-03-12 | 1983-09-16 | テルモ株式会社 | Medical bag and production thereof |
-
1987
- 1987-02-05 JP JP62025307A patent/JPS63192449A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613953U (en) * | 1979-07-13 | 1981-02-05 | ||
| JPS57139349A (en) * | 1981-02-20 | 1982-08-28 | Terumo Corp | Body liquid sampling and blood transfusion apparatus and production thereof |
| JPS5825171A (en) * | 1981-08-06 | 1983-02-15 | テルモ株式会社 | Syringe |
| JPS58155866A (en) * | 1982-03-12 | 1983-09-16 | テルモ株式会社 | Medical bag and production thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002282359A (en) * | 2001-03-27 | 2002-10-02 | Nihon Medi Physics Co Ltd | Prefilled syringe |
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