WO1996028094A1 - Contamination-proof vacuum blood-sampling tube - Google Patents
Contamination-proof vacuum blood-sampling tube Download PDFInfo
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- WO1996028094A1 WO1996028094A1 PCT/JP1996/000629 JP9600629W WO9628094A1 WO 1996028094 A1 WO1996028094 A1 WO 1996028094A1 JP 9600629 W JP9600629 W JP 9600629W WO 9628094 A1 WO9628094 A1 WO 9628094A1
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- WIPO (PCT)
- Prior art keywords
- blood collection
- vacuum blood
- collection tube
- absorbing member
- opening
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
- B01L3/5082—Test tubes per se
- B01L3/50825—Closing or opening means, corks, bungs
Definitions
- the present invention relates to a vacuum blood collection tube used in combination with a vacuum blood collection needle used for blood collection, and capable of collecting an amount of blood according to an internal negative pressure.
- this type of vacuum blood collection tube is hermetically fitted with a rubber stopper B at the opening at one end of a test tube type vacuum blood collection tube body A made of a transparent plastic material, as shown in Fig. 1.
- the inside of the blood collection tube is maintained at a predetermined negative pressure level according to the blood S to be collected.
- the flashback force is applied to the vacuum blood collection needle and the rubber stopper of the vacuum blood collection tube when removing the blood collection tube from the vacuum blood collection needle after blood collection from the subject.
- Blood may be generated or adhere to fingers or the like of a blood sampling person such as a doctor or nurse, or may be left as a dry residue.
- multiple blood collections are often performed instead of vacuum blood collection tubes, and in such a case, there is a danger of contacting the collected blood every time the vacuum blood collection needle is withdrawn from the vacuum blood collection needle . As a result, there is a risk of secondary infections occurring in blood collection and testing operations. Disclosure of the invention
- the present invention is intended to prevent the occurrence of an infection accident due to the contact with blood and the dry residue of blood attached to the outer surface of the plug of a vacuum blood collection tube during the blood collection and testing operations. It is an object of the present invention to provide a contamination-prevention vacuum blood collection tube capable of preventing blood from dripping and scattering due to the separation of the vacuum blood collection needle and the vacuum blood collection tube and maintaining a sanitary environment at all times.
- a member that absorbs blood adhered to a vacuum blood collection needle when a vacuum blood collection needle is withdrawn or inserted into the vacuum blood collection needle is used. Blood can be prevented from dripping and scattering to the outside due to separation from the vacuum blood collection tube.
- a vacuum blood collection tube with contamination prevention has a vacuum-collecting blood tube main body having an open end and a negative pressure inside, and a stopper made of an elastic material which is hermetically fitted into the opening of the vacuum blood-collecting blood tube main body. It is characterized by comprising a body and an absorbing member which is positioned at least in an opening portion through which the blood collection needle penetrates and is made of an elastic material exhibiting absorptivity to liquid.
- the absorbent member may be composed of any one of chemical fibers, cotton fibers, paper, and synthetic resin materials that absorb liquid, or a composite material of two or more of them.
- the absorbing member has a sheet shape and is fixed on the outer surface of the plug.
- the sheet-shaped absorbing member can be formed as an outer surface layer of the plug using a coating or coating means.
- the absorbing member has a lump shape and is fixed on the outer surface of the plug.
- the massive absorbent member can be fitted and secured within the plug.
- the vacuum blood collection tube with contamination prevention has the above structure. In addition to this, it has a cap attached outside the opening of the vacuum blood collection tube body to prevent contamination of the outside of the opening of the vacuum blood collection tube body.
- the absorbing member, Ru can also be integrated with the plug body and the or cap c
- a vacuum blood collection tube with pollution prevention is provided with a vacuum blood collection tube main body whose one end is open and the inside of the vacuum blood collection tube is made to be in a negative pressure state, and an edge of the opening of the vacuum blood collection blood tube main body.
- a sealing member hermetically attached to the sealing member, a plug member fixed to at least a portion of the sealing member through which the blood collection needle penetrates, and an elastic material fixed to the plug member to absorb liquid.
- an absorbing member comprising:
- the absorption member combined with the stopper accumulates at the distal end of the vacuum blood collection needle and the vacuum blood collection tube when separating the blood collection needle during the blood collection operation.
- the collected blood is absorbed by the absorbing member combined with the plug, and does not drip or scatter outside.There is a risk that the blood collector may accidentally touch the blood or adhere to the outer surface of the vacuum blood collection tube, leaving a dry residue. Can be prevented beforehand, a sanitary environment can be maintained at all times, and blood collection and testing operations can be performed safely and easily.
- FIG. 1 is a schematic sectional view showing an example of a conventional vacuum blood collection tube.
- FIG. 2 is a schematic sectional view showing one embodiment of the vacuum blood collection tube of the present invention.
- FIG. 3 is a schematic sectional view showing a modified example of the vacuum blood collection tube of the present invention.
- FIG. 4 is a schematic sectional view showing another embodiment of the vacuum blood collection tube of the present invention.
- FIG. 5 is a schematic sectional view showing still another embodiment of the vacuum blood collection tube of the present invention.
- FIG. 6 is a schematic sectional view showing a main part of still another embodiment of the vacuum blood collection tube of the present invention. It is.
- FIG. 7 is a schematic sectional view showing a main part of a modification of the apparatus shown in FIG.
- FIG. 8 is a schematic enlarged sectional view showing a configuration example of the absorbing member.
- FIG. 9 is a schematic sectional view showing a modification of the apparatus shown in FIG.
- FIG. 2 shows a vacuum blood collection tube according to an embodiment of the present invention.
- the illustrated vacuum blood collection tube is composed of a vacuum blood collection tube main body 1 having an open end and a negative pressure inside. 1 is made of a suitable transparent plastic material, and a stopper 2 made of rubber or an elastic polymer such as neoprene, isoprene or black mouth is fitted in an opening la at one end thereof.
- the outer surface of the plug 2 is formed in a concave shape, and a sheet-shaped absorbing member 3 made of an elastic material exhibiting absorptivity to liquid is fixed to the concave outer surface.
- the sheet-shaped absorbing member 3 can be fixed to the concave outer surface of the plug 2 by means such as adhesion, fusion, or welding, and the thickness thereof can sufficiently absorb blood from the needle tip. Is selected as follows.
- the absorbing member 3 may be made of any one of chemical fibers, cotton fibers, non-woven fabrics, paper, and synthetic resin materials which absorb a liquid, or a composite material of two or more of them. it can.
- a porous tetrafluoroethylene resin material or a polymeric porous material, which is usually referred to as an aqueous synthetic resin may be used.
- a cap 4 is attached to cover 3 to prevent contamination of the outside of the opening of the main body of the vacuum blood collection tube.
- the cap 4 has an opening 4a at the center.
- a medicine having the intended purpose is applied to the absorbing member 3 or a medicine is applied to the upper surface of the stopper 2 so that the blood collection tube main body 1 and the absorbing member 3 can be integrally formed.
- Blood collection tubes can be manufactured at low cost and are economical.
- a negative pressure is applied to the inside of the blood collection tube by puncturing a blood collection needle (not shown) at the center during blood collection, so that blood is suctioned by this negative pressure. Then, the amount of blood corresponding to the negative pressure level can be collected.
- blood flashback occurs on the upper surface, that is, the outer surface of the rubber plug 2, but the blood is absorbed by the absorbing member 3, and the scattering and leakage of the blood can be reliably prevented.
- FIG. 3 shows a modified embodiment of the present invention.
- the cap 4 has an opening 4a at the center, but in this modified embodiment, the opening of the vacuum blood collection tube main body is provided.
- the central portion 5a of the cap 5 for preventing the outer portion from being contaminated is formed with an outer force ⁇ concave and thin.
- Other configurations are substantially the same as those in FIG.
- FIG. 4 shows another embodiment of the present invention, and portions corresponding to those of the embodiment of FIG. 2 are denoted by the same reference numerals.
- the sheet-shaped absorbing member 6 is composed of two layers fused or bonded to each other, and these two layers can be made of the same material or different materials.
- FIG. 5 shows still another embodiment of the present invention.
- the absorbing member 7 is incorporated into the cap 8 and is integrally formed, and the cap 8 is provided on the peripheral portion of the outer surface of the plug 2. It is fixed.
- FIG. 6 shows still another embodiment, in which a sealing member 9 made of, for example, a laminate material is hermetically attached to a peripheral portion lb of one end of the vacuum blood collection tube main body 1.
- a plug member 10 made of rubber or an elastic polymer is fixed to at least a portion through which the blood collection needle penetrates, and an absorbing member 11 made of an elastic material that absorbs liquid is fixed on the plug member 10.
- FIG. 7 shows a modification of the embodiment shown in FIG. 6, in which a plug member 10 and an absorbing member 11 are provided as shown with a sealing member 9 interposed therebetween.
- the absorbing member is formed in a sheet shape.
- the absorbing member may be formed in a lump, and in such a case, the absorbing member is fixed to the outer surface of the plug similarly to the illustrated embodiment.
- it can be configured integrally with the plug, or it can be configured by incorporating the massive absorbing member 12 into the plug 2 as shown in FIG.
- the bulk absorbent member can be composed of any one or a combination of two or more of a chemical fiber, cotton fiber, paper, synthetic resin material that is absorbent to liquids.
- a chemical fiber, cotton fiber, paper, synthetic resin material that is absorbent to liquids.
- a plug may be formed by using a massive absorbent member as a core and surrounding the core member with an elastic member such as rubber.
- the mass-absorbing member is integrally formed with the cap, and is attached to the stopper or the edge of the opening la at one end of the vacuum blood collection tube body 1 together with the cap by, for example, bonding, welding, or screwing. It can be fixed directly.
- a sheet-shaped or lump-shaped absorbing member may be sandwiched between the plug and the cap so as to be integrally formed.
- the material constituting the absorbing member is applied to the outer surface of the plug 2 by using a coating or other appropriate film forming technique to form the absorbing member. It can also be formed as layer 13. In a modification of this case, an absorbing member layer can be formed on the inner surface of the cap 5 in the case of an apparatus as shown in FIG.
- the present invention has a small opening in the vacuum blood collection tube main body. At least, at the opening where the blood collection needle penetrates, an absorption member made of elastic material that absorbs liquid is provided, so that after the blood collection needle is removed, blood that comes out to the outside by flashback Is absorbed by the absorbing member and does not adhere to other parts or dry and scatter, so it can be used safely without danger of coming into contact with blood, and as a result, danger of secondary infection by hepatitis virus, AIDS virus, etc. Can be provided.
Abstract
A contamination-proof vacuum blood-sampling tube comprising a vacuum blood-sampling tube body (1) provided with an absorbent member (3) made from a liquid-absorbing elastic material at least at that part of the opening (1a) through which a blood-sampling needle will penetrate in order to prevent leakage or scattering of the blood after sampling.
Description
明 細 書 Specification
汚染防止付真空採血管 Vacuum blood collection tube with contamination prevention
技術分野 Technical field
本発明は、 採血の際に使用される真空採血針と組合わせて用いられ、 内部 の負圧に応じた量の血液を採取できるようにした真空採血管に関するもので のる。 TECHNICAL FIELD The present invention relates to a vacuum blood collection tube used in combination with a vacuum blood collection needle used for blood collection, and capable of collecting an amount of blood according to an internal negative pressure.
背景技術 Background art
従来、 この種の真空採血管は第 1図に示すように、 透明なプラスチック材 料から成る試験管型の真空採血管本体 Aの一端の開口にゴム製の栓体 Bを密 封的に装着したものから成り、 採血管内部は採取しょうとする血 ¾Sに応じ て予め設定したレベルの負圧状態に保持されるようにしている。 Conventionally, this type of vacuum blood collection tube is hermetically fitted with a rubber stopper B at the opening at one end of a test tube type vacuum blood collection tube body A made of a transparent plastic material, as shown in Fig. 1. The inside of the blood collection tube is maintained at a predetermined negative pressure level according to the blood S to be collected.
このような真空採血管を用いて採血する際には、 まずホルダーに装着され た真空採血針の一端を被検者の血管に刺し、 そして真空採血針の他端を真空 採血管本体 Aの一端の開口に装着されたゴム製の栓体 Bに突き刺し貫通させ て真空採血管本体 A内と連通させる。 それにより真空採血管本体 Aの内部の 負圧に応じた量の血液を採取することができる。 こうして血液の採取が終了 したら真空採血管から真空採血針を抜き取り、 血液の入つた真空採血管は試 験や検査へ回されることになる。 When blood is collected using such a vacuum blood collection tube, one end of the vacuum blood collection needle attached to the holder is pierced into the blood vessel of the subject, and the other end of the vacuum blood collection needle is connected to one end of the vacuum blood collection tube body A. Pierce and penetrate the rubber stopper B attached to the opening of, and communicate with the inside of the vacuum blood collection tube main body A. As a result, an amount of blood corresponding to the negative pressure inside the vacuum blood collection tube main body A can be collected. When blood collection is completed in this way, the vacuum blood collection needle is withdrawn from the vacuum blood collection tube, and the blood-collected blood collection tube is sent for testing and inspection.
このような従来の真空採血管においては、 被検者からの採血後、 真空採血 針から真空採血管をはずす際に、 真空採血針と真空採血管のゴム製の栓体と にフラッシュバック力《生じたり血液が医師や看護婦等の採血する者の手指等 に付着したり乾燥残さとなる恐れがある。 特にこの種の採血にはしばしば真 空採血管を代えて複数本採血する場合があり、 そのような場合には真空採血 針から真空採血管を引き抜く度毎に採血した血液に接触する危険がある。 そ の結果、 採血業務や検査業務には 2次感染発生の恐れがある。
発明の開示 In such a conventional vacuum blood collection tube, the flashback force is applied to the vacuum blood collection needle and the rubber stopper of the vacuum blood collection tube when removing the blood collection tube from the vacuum blood collection needle after blood collection from the subject. Blood may be generated or adhere to fingers or the like of a blood sampling person such as a doctor or nurse, or may be left as a dry residue. Especially in this type of blood collection, multiple blood collections are often performed instead of vacuum blood collection tubes, and in such a case, there is a danger of contacting the collected blood every time the vacuum blood collection needle is withdrawn from the vacuum blood collection needle . As a result, there is a risk of secondary infections occurring in blood collection and testing operations. Disclosure of the invention
そこで本発明は、 このような採血業務や検査業務に伴う血液との接触や真 空採血管の栓体外表面に付着した血液の乾燥残さによる感染事故を防止する ため、 採血業務や検査業務時における真空採血針と真空採血管との分離に伴 う血液の外部への垂れ、 飛散を防止して常に衛生的環境を保持できる汚染防 止付真空採血管を提供することを目的としている。 Therefore, the present invention is intended to prevent the occurrence of an infection accident due to the contact with blood and the dry residue of blood attached to the outer surface of the plug of a vacuum blood collection tube during the blood collection and testing operations. It is an object of the present invention to provide a contamination-prevention vacuum blood collection tube capable of preventing blood from dripping and scattering due to the separation of the vacuum blood collection needle and the vacuum blood collection tube and maintaining a sanitary environment at all times.
上記の目的を達成するために、 本発明においては真空採血針に対して真空 採血管を抜き取ったり差し込む際に真空採血針に付着した血液を吸収する部 材が使用され、 これにより真空採血針と真空採血管との分離に伴う血液の外 部への垂れ、 飛散を防止することができるようになる。 In order to achieve the above object, in the present invention, a member that absorbs blood adhered to a vacuum blood collection needle when a vacuum blood collection needle is withdrawn or inserted into the vacuum blood collection needle is used. Blood can be prevented from dripping and scattering to the outside due to separation from the vacuum blood collection tube.
本発明による汚染防止付真空採血管は、一端が開口し、 内部を負圧状態に される真空採血管本体と、 この真空採血管本体の開口に密封的に嵌合される 弾性材料から成る栓体と、 少なくとも採血針の貫通する開口部位に位置決め され、 液体に対して吸収性を示す弾性材料で構成された吸収部材とから成る ことを特徴としている。 A vacuum blood collection tube with contamination prevention according to the present invention has a vacuum-collecting blood tube main body having an open end and a negative pressure inside, and a stopper made of an elastic material which is hermetically fitted into the opening of the vacuum blood-collecting blood tube main body. It is characterized by comprising a body and an absorbing member which is positioned at least in an opening portion through which the blood collection needle penetrates and is made of an elastic material exhibiting absorptivity to liquid.
好ましくは、 吸収部材は、 液体に対して吸収性を示す化学繊維、 木綿繊維 、 紙、 合成樹脂材料の内の任意の一つの材料或いは二つまたはそれ以上の複 合材料で構成され得る。 Preferably, the absorbent member may be composed of any one of chemical fibers, cotton fibers, paper, and synthetic resin materials that absorb liquid, or a composite material of two or more of them.
本発明の一つの実施の形態によれば、 吸収部材は、 シート状を成し、 栓体 の外表面上に固着される。 その場合、 シート状の吸収部材は、 塗布またはコ 一ティング手段を用いて栓体の外表面層として形成することもできる。 また本発明の別の実施の形態によれば、 吸収部材は、 塊状を成し、 栓体の 外表面上に固着される。 代りに、 塊状の吸収部材は栓体内に嵌合して固着さ れ得る。 According to one embodiment of the present invention, the absorbing member has a sheet shape and is fixed on the outer surface of the plug. In this case, the sheet-shaped absorbing member can be formed as an outer surface layer of the plug using a coating or coating means. Further, according to another embodiment of the present invention, the absorbing member has a lump shape and is fixed on the outer surface of the plug. Alternatively, the massive absorbent member can be fitted and secured within the plug.
更に本発明の別の実施の形態によれば、 汚染防止付真空採血管は、 上記構
成に加えて、 真空採血管本体の開口の外側に装着され、 真空採血管本体の開 口外側部の汚染を防止するキヤップを有する。 According to still another embodiment of the present invention, the vacuum blood collection tube with contamination prevention has the above structure. In addition to this, it has a cap attached outside the opening of the vacuum blood collection tube body to prevent contamination of the outside of the opening of the vacuum blood collection tube body.
また吸収部材は、 栓体及びまたはキヤップと一体的に構成することもでき る c The absorbing member, Ru can also be integrated with the plug body and the or cap c
本発明のさらに別の実施の形態によれば、 汚染防止付真空採血管は、 一端 が開口し、 内部を負圧状態にされる真空採血管本体と、 この真空採血管本体 の開口の縁部に密封的に装着された密封部材と、 この密封部材の、 少なくと も採血針の貫通する部位に固着された栓部材と、 栓部材上に固着され、 液体 に対して吸収性を示す弾性材料から成る吸収部材とから成ることを特徴とし ている。 According to still another embodiment of the present invention, a vacuum blood collection tube with pollution prevention is provided with a vacuum blood collection tube main body whose one end is open and the inside of the vacuum blood collection tube is made to be in a negative pressure state, and an edge of the opening of the vacuum blood collection blood tube main body. A sealing member hermetically attached to the sealing member, a plug member fixed to at least a portion of the sealing member through which the blood collection needle penetrates, and an elastic material fixed to the plug member to absorb liquid. And an absorbing member comprising:
このように構成した本発明による真空採血管においては、 栓体に組み合わ せた吸収部材により、 採血業務時にお L、て真空採血針と真空採血管とを分離 する際に針の先端に溜まっている血液は栓体に組み合わせた吸収部材により 吸収されて、 外部へ垂れたり飛散することがなく、 採血する者が誤って血液 に触れたり、 真空採血管の外面に付着して乾燥残さとなる危険を未然に防ぐ ことができ、 常に衛生的環境を保持でき採血業務や検査業務を安全且つ容易 に実施できるようになる。 In the thus constructed vacuum blood collection tube of the present invention, the absorption member combined with the stopper accumulates at the distal end of the vacuum blood collection needle and the vacuum blood collection tube when separating the blood collection needle during the blood collection operation. The collected blood is absorbed by the absorbing member combined with the plug, and does not drip or scatter outside.There is a risk that the blood collector may accidentally touch the blood or adhere to the outer surface of the vacuum blood collection tube, leaving a dry residue. Can be prevented beforehand, a sanitary environment can be maintained at all times, and blood collection and testing operations can be performed safely and easily.
図面の簡単な説明 BRIEF DESCRIPTION OF THE FIGURES
第 1図は従来の真空採血管の一例を示す概略断面図である。 FIG. 1 is a schematic sectional view showing an example of a conventional vacuum blood collection tube.
第 2図は本発明の真空採血管の一実施例を示す概略断面図である。 FIG. 2 is a schematic sectional view showing one embodiment of the vacuum blood collection tube of the present invention.
第 3図は本発明の真空採血管の変形例を示す概略断面図である。 FIG. 3 is a schematic sectional view showing a modified example of the vacuum blood collection tube of the present invention.
第 4図は本発明の真空採血管の別の実施例を示す概略断面図である。 第 5図は本発明の真空採血管のさらに別の実施例を示す概略断面図である ο FIG. 4 is a schematic sectional view showing another embodiment of the vacuum blood collection tube of the present invention. FIG. 5 is a schematic sectional view showing still another embodiment of the vacuum blood collection tube of the present invention.
第 6図は本発明の真空採血管のさらに別の実施例の要部を示す概略断面図
である。 FIG. 6 is a schematic sectional view showing a main part of still another embodiment of the vacuum blood collection tube of the present invention. It is.
第 7図は第 6図の装置の変形例の要部を示す概略断面図である。 FIG. 7 is a schematic sectional view showing a main part of a modification of the apparatus shown in FIG.
第 8図は吸収部材の構成例を示す概略拡大断面図である。 FIG. 8 is a schematic enlarged sectional view showing a configuration example of the absorbing member.
第 9図は第 2図の装置の変形例を示す概略断面図である。 FIG. 9 is a schematic sectional view showing a modification of the apparatus shown in FIG.
発明を実施するための最良の形態 BEST MODE FOR CARRYING OUT THE INVENTION
以下添附図面の第 2図〜第 9図を参照して本発明の実施例につ L、て説明す る o Hereinafter, embodiments of the present invention will be described with reference to FIGS. 2 to 9 in the accompanying drawings.o
第 2図には本発明の一実施例による真空採血管を示し、 図示真空採血管は 、 一端が開口し、 内部を負圧状態にされる真空採血管本体 1から成り、 この 真空採血管本体 1は適当な透明プラスチック材料から成り、 その一端の開口 laには、 ゴム、 或いはネオプレン、 イソプレン、 クロ口プレンのような弾性 重合体から成る栓体 2が密封的に嵌合されている。 この栓体 2の外表面は凹 状に形成され、 この凹状外表面に液体に対して吸収性を示す弾性材料から成 るシート状吸収部材 3が固着されている。 栓体 2の凹状外表面へのシート状 吸収部材 3の固着は接着、 融着、 または溶着等の手段により行なうことがで き、 またその厚さは、 針先からの血液を充分に吸収できるように選定される 。 この吸収部材 3は、 液体に対して吸収性を示す化学繊維、 木綿繊維、 不織 布、 紙、 合成樹脂材料の内の任意の一つの材料或いは二つまたはそれ以上の 複合材料から成ることができる。 好ましくは、 通常、 はつ水性合成樹脂と呼 ばれる四ふつ化工チレン樹脂多孔質材料、 高分子多孔質材料が用いられ得る また真空採血管本体 1の一端の開〇la、 栓体 2及び吸収部材 3を覆ってキ ャップ 4が装着され、 真空採血管本体の開口外側部の汚染を防止している。 またキヤップ 4は中央部に開口 4aを備えている。 FIG. 2 shows a vacuum blood collection tube according to an embodiment of the present invention. The illustrated vacuum blood collection tube is composed of a vacuum blood collection tube main body 1 having an open end and a negative pressure inside. 1 is made of a suitable transparent plastic material, and a stopper 2 made of rubber or an elastic polymer such as neoprene, isoprene or black mouth is fitted in an opening la at one end thereof. The outer surface of the plug 2 is formed in a concave shape, and a sheet-shaped absorbing member 3 made of an elastic material exhibiting absorptivity to liquid is fixed to the concave outer surface. The sheet-shaped absorbing member 3 can be fixed to the concave outer surface of the plug 2 by means such as adhesion, fusion, or welding, and the thickness thereof can sufficiently absorb blood from the needle tip. Is selected as follows. The absorbing member 3 may be made of any one of chemical fibers, cotton fibers, non-woven fabrics, paper, and synthetic resin materials which absorb a liquid, or a composite material of two or more of them. it can. Preferably, a porous tetrafluoroethylene resin material or a polymeric porous material, which is usually referred to as an aqueous synthetic resin, may be used. In addition, an opening la at one end of the vacuum blood collection tube body 1, a plug 2, and an absorbing member A cap 4 is attached to cover 3 to prevent contamination of the outside of the opening of the main body of the vacuum blood collection tube. The cap 4 has an opening 4a at the center.
栓体 2上面に一定の厚さをもったシート状吸収部材 3を接着、 融着、 溶着
するには、 この吸収部材 3にその目的をもつた薬剤を塗布するか栓体 2上面 に薬剤を塗布して採血管本体 1と吸収部材 3を一体的に構成することができ 、 これにより真空採血管を安価に製造でき、 経済的である。 Attaching, fusing, and welding a sheet-shaped absorbent member 3 with a certain thickness on the top surface of the stopper 2 For this purpose, a medicine having the intended purpose is applied to the absorbing member 3 or a medicine is applied to the upper surface of the stopper 2 so that the blood collection tube main body 1 and the absorbing member 3 can be integrally formed. Blood collection tubes can be manufactured at low cost and are economical.
このように構成した図示真空採血管の使用においては、 採血時に中央部に 図示してない採血針を穿刺することにより、 採血管内部は負圧状態にあるた め、 血液はこの負圧力により吸引され、 その負圧レベルに応じた量血液を採 取することができる。 そして、 抜針する際にはゴム栓体 2の上面すなわち外 表面に血液のフラッシュバックが生じるが、吸収部材 3によつて血液は吸収 され， 血液の飛散や漏れは確実に防止され得る。 In the use of the illustrated vacuum blood collection tube configured as described above, a negative pressure is applied to the inside of the blood collection tube by puncturing a blood collection needle (not shown) at the center during blood collection, so that blood is suctioned by this negative pressure. Then, the amount of blood corresponding to the negative pressure level can be collected. When the needle is withdrawn, blood flashback occurs on the upper surface, that is, the outer surface of the rubber plug 2, but the blood is absorbed by the absorbing member 3, and the scattering and leakage of the blood can be reliably prevented.
第 3図は本発明の変形実施例を示し、 第 2図の実施例ではキャップ 4は中 央部に開口 4aを備えているが、 この変形実施例の場合には、 真空採血管本体 の開口外側部の汚染を防止するキャップ 5の中央部 5aは外側力《凹状に薄く形 成されている。 その他の構成は第 2図の場合と実質的に同じである。 FIG. 3 shows a modified embodiment of the present invention. In the embodiment shown in FIG. 2, the cap 4 has an opening 4a at the center, but in this modified embodiment, the opening of the vacuum blood collection tube main body is provided. The central portion 5a of the cap 5 for preventing the outer portion from being contaminated is formed with an outer force << concave and thin. Other configurations are substantially the same as those in FIG.
第 4図には本発明の別の実施例を示し、 第 2図の実施例と対応した部位は 同じ符号で示す。 この実施例ではシート状吸収部材 6は互いに融着または接 着、 張り合わせた二層から成っており、 これら二つ層は同じ材料または異な る材料で構成することができる。 FIG. 4 shows another embodiment of the present invention, and portions corresponding to those of the embodiment of FIG. 2 are denoted by the same reference numerals. In this embodiment, the sheet-shaped absorbing member 6 is composed of two layers fused or bonded to each other, and these two layers can be made of the same material or different materials.
第 5図には本発明のさらに別の実施例を示し、 この実施例においては吸収 部材 7はキャップ 8に組み込まれて一体的に形成され、 キヤップ 8は栓体 2の外表面の周縁部に固着されている。 FIG. 5 shows still another embodiment of the present invention. In this embodiment, the absorbing member 7 is incorporated into the cap 8 and is integrally formed, and the cap 8 is provided on the peripheral portion of the outer surface of the plug 2. It is fixed.
第 6図にはさらに別の実施例を示し、 真空採血管本体 1の一端の周縁部 lbに、 例えばラミネート材から成り得る密封部材 9が密封的に装着され、 こ の密封部材 9上の、 少なくとも採血針の貫通する部位にはゴムや弾性重合体 から成り得る栓部材 10が固着され、 そして栓部材 10上には液体に対して吸収 性を示す弾性材料から成る吸収部材 11が固着されている。
第 7図には第 6図に示す実施例の変形例を示し、 この場合には密封部材 9を挾んで図示したように、 栓部材 10及び吸収部材 11が設けられている。 ところで図示実施例ではいずれも吸収部材はシート状に形成されているが 、 代りに吸収部材を塊状に構成することもでき、 その場合には図示実施例と 同様に栓体の外表面に固着するか、 栓体と一体的に構成することができ、 あ るいは第 8図に示すように塊状吸収部材 12を栓体 2内に組み込んで構成する こともできる。 この場合も塊状吸収部材は液体に対して吸収性を示す化学繊 維、 木綿繊維、 紙、 合成樹脂材料の内の任意の一つの材料或いは二つまたは それ以上の複合材料から成ることができる。 またこの場合にはそして紙で構 成する場合には紙にコンスターチ等の »粉成分を塗布または含浸させて適当 な形状に整形して乾燥させたものを使用するのが好ましい。 FIG. 6 shows still another embodiment, in which a sealing member 9 made of, for example, a laminate material is hermetically attached to a peripheral portion lb of one end of the vacuum blood collection tube main body 1. A plug member 10 made of rubber or an elastic polymer is fixed to at least a portion through which the blood collection needle penetrates, and an absorbing member 11 made of an elastic material that absorbs liquid is fixed on the plug member 10. I have. FIG. 7 shows a modification of the embodiment shown in FIG. 6, in which a plug member 10 and an absorbing member 11 are provided as shown with a sealing member 9 interposed therebetween. By the way, in each of the illustrated embodiments, the absorbing member is formed in a sheet shape. Alternatively, the absorbing member may be formed in a lump, and in such a case, the absorbing member is fixed to the outer surface of the plug similarly to the illustrated embodiment. Alternatively, it can be configured integrally with the plug, or it can be configured by incorporating the massive absorbing member 12 into the plug 2 as shown in FIG. Again, the bulk absorbent member can be composed of any one or a combination of two or more of a chemical fiber, cotton fiber, paper, synthetic resin material that is absorbent to liquids. In this case, and when it is composed of paper, it is preferable to use paper that is coated or impregnated with a powder component such as constarch, shaped into an appropriate shape, and dried.
代りに、 塊状吸収部材を芯としてその周囲を弾性部材例えばゴムで包囲し て栓体として構成することもできる。 Alternatively, a plug may be formed by using a massive absorbent member as a core and surrounding the core member with an elastic member such as rubber.
また代りに、 塊状吸収部材をキャップと一体的に構成して、 キャップと共 に栓体または真空採血管本体 1の一端の開口 laの縁部に例えば接着、 溶着あ るいはねじ係合等により直接固着することもできる。 Alternatively, the mass-absorbing member is integrally formed with the cap, and is attached to the stopper or the edge of the opening la at one end of the vacuum blood collection tube body 1 together with the cap by, for example, bonding, welding, or screwing. It can be fixed directly.
さらに、 本発明においては栓体とキヤップとの間にシー卜状または塊状の 吸収部材を挾持させてこれらを一体的に構成することもできる。 Further, in the present invention, a sheet-shaped or lump-shaped absorbing member may be sandwiched between the plug and the cap so as to be integrally formed.
さらにまた、 本発明においては、 第 9図に示すように吸収部材を構成して いる材料を塗布ゃコーティングやその他の適当な成膜技術を利用して栓体 2 の外表面に施して吸収部材層 13として形成することもできる。 またこの場合 の変形例として第 3図に示すような装置の場合にはキャップ 5の内面に吸収 部材層を形成することもできる。 Further, in the present invention, as shown in FIG. 9, the material constituting the absorbing member is applied to the outer surface of the plug 2 by using a coating or other appropriate film forming technique to form the absorbing member. It can also be formed as layer 13. In a modification of this case, an absorbing member layer can be formed on the inner surface of the cap 5 in the case of an apparatus as shown in FIG.
産業上の利用可能性 Industrial applicability
以上説明してきたように、 本発明は、 真空採血管本体の開口において、 少
なくとも採血針の貫通する開口部位に、 液体に対して吸収性を示す弾性材料 力、ら成る吸収部材を設けているので、 採血針を抜いた後に、 フラッシュバッ クにより外部へ出てくる血液は吸収部材によって吸収され、 他に付着したり 乾燥して飛散することがないため、 血液に接触する危険なく安全に使用する ことができ、 その結果肝炎ウィルス、 エイズウイルス等の 2次感染の危険を 未然に防止することができる真空採血管を提供することができる。
As described above, the present invention has a small opening in the vacuum blood collection tube main body. At least, at the opening where the blood collection needle penetrates, an absorption member made of elastic material that absorbs liquid is provided, so that after the blood collection needle is removed, blood that comes out to the outside by flashback Is absorbed by the absorbing member and does not adhere to other parts or dry and scatter, so it can be used safely without danger of coming into contact with blood, and as a result, danger of secondary infection by hepatitis virus, AIDS virus, etc. Can be provided.
Claims
1. 一端が開口し、 内部を負圧状態にされる真空採血管本体と、 この真空採 血管本体の開口に密封的に嵌合される弾性材料から成る栓体と、 少なくとも 採血針の貫通する開口部位に位置決めされ、 液体に対して吸収性を示す弾性 材料から成る吸収部材とから成ることを特徴とする汚染防止付真空採血管。 1. A vacuum blood collection tube body that is open at one end and has a negative pressure inside, a stopper made of an elastic material that is hermetically fitted into the opening of the vacuum blood collection tube body, and at least a blood collection needle penetrates. A pollution-preventing vacuum blood collection tube, characterized by comprising an absorbing member made of an elastic material that is positioned at an opening and absorbs liquid.
2. 吸収部材が、 液体に対して吸収性を示す化学繊維、 木綿繊維、 紙、 合成 樹脂材料の内の任意の一つの材料或いは二つまたはそれ以上の複合材料から 成っている請求の範囲 1に記載の汚染防止付真空採血管。 2. The absorbent member is made of any one or a composite of two or more of synthetic fibers, cotton fibers, paper, and synthetic resin materials that absorb liquid. Vacuum blood collection tube with contamination prevention described in 1.
3. 吸収部材が、 シート状を成し、 栓体の外表面上に固着されている請求の 範囲 1に記載の汚染防止付真空採血管。 3. The vacuum blood collection tube with contamination prevention according to claim 1, wherein the absorbing member has a sheet shape and is fixed on an outer surface of the plug.
4. シート状の吸収部材が、 栓体の外表面層として形成されている請求の範 囲 3に記載の汚染防止付真空採血管。 4. The vacuum blood collection tube with contamination prevention according to claim 3, wherein the sheet-shaped absorbing member is formed as an outer surface layer of the plug.
5. 吸収部材が、 塊状を成し、 栓体の外表面上に固着されている請求の範囲 1に記載の汚染防止付真空採血管。 5. The vacuum blood collection tube with contamination prevention according to claim 1, wherein the absorbing member is formed in a lump and fixed on the outer surface of the plug.
6. 吸収部材が、 塊状を成し、 栓体内に嵌合して固着されている請求の範囲 1に記載の汚染防止付真空採血管。 6. The vacuum blood collection tube with contamination prevention according to claim 1, wherein the absorbing member is formed in a lump shape and fitted and fixed in the stopper.
7. 吸収部材が、 栓体と一体的に構成されている請求の範囲 1に記載の汚染 防止付真空採血管。 7. The vacuum blood collection tube with contamination prevention according to claim 1, wherein the absorbing member is integrally formed with the stopper.
8. 一端が開口し、 内部を負圧状態にされる真空採血管本体と、 この真空採 血管本体の開口に密封的に嵌合される弾性材料から成る栓体と、 少なくとも 採血針の貫通する開口部位に位置決めされ、 液体に対して吸収性を示す弾性 材料から成る吸収部材と、 真空採血管本体の開口の外側に装着され、 真空採 血管本体の開口外側部の汚染を防止するキャップとから成ることを特徵とす る汚染防止付真空採血管。 8. A vacuum blood collection tube body that is open at one end and has a negative pressure inside, a stopper made of an elastic material that is hermetically fitted into the opening of the vacuum blood collection tube body, and at least a blood collection needle penetrates. An absorbing member made of an elastic material that is positioned at the opening and absorbs liquid, and a cap that is attached to the outside of the opening of the vacuum blood collection tube main body and prevents contamination of the outside of the opening of the vacuum blood collection tube main body. Vacuum blood collection tube with anti-pollution featured to be formed.
9. 吸収部材がキャップと一体的に構成されている請求の範囲 7に記載の汚
染防止付真空採血管。 9. The contamination according to claim 7, wherein the absorbing member is integrally formed with the cap. Vacuum blood collection tube with stain prevention.
10. 一端が開口し、 内部を負圧状態にされる真空採血管本体と、 この真空採 血管本体の開口の縁部に密封的に装着された密封部材と、 この密封部材の、 少なくとも採血針の貫通する部位に固着された栓部材と、 栓部材上に固着さ れ、 液体に対して吸収性を示す弾性材料から成る吸収部材とから成ることを 特徴とする汚染防止付真空採血管。
10. A vacuum blood collection tube body that is open at one end and has a negative pressure inside, a sealing member hermetically attached to an edge of the opening of the vacuum blood collection tube body, and at least a blood collection needle of the sealing member. A pollution-preventing vacuum blood collection tube, comprising: a plug member fixed to a portion penetrating through the tube; and an absorbing member fixed to the plug member and made of an elastic material that absorbs liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96906005A EP0760226A4 (en) | 1995-03-13 | 1996-03-13 | Contamination-proof vacuum blood-sampling tube |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8992295 | 1995-03-13 | ||
| JP7/89922 | 1995-03-13 | ||
| JP8/55652 | 1996-03-13 | ||
| JP8055652A JPH08308816A (en) | 1995-03-13 | 1996-03-13 | Vacuum blood-collecting vessel with pollution control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1996028094A1 true WO1996028094A1 (en) | 1996-09-19 |
Family
ID=26396555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1996/000629 WO1996028094A1 (en) | 1995-03-13 | 1996-03-13 | Contamination-proof vacuum blood-sampling tube |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0760226A4 (en) |
| JP (1) | JPH08308816A (en) |
| WO (1) | WO1996028094A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LT4692B (en) | 1998-11-04 | 2000-08-25 | Higienos Institutas | Vacuum container for collecting and storing blood |
| CN106618605A (en) * | 2016-12-26 | 2017-05-10 | 江苏康捷医疗器械有限公司 | Full-automatic equipment vacuum blood collection tube |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2375487B (en) * | 1997-12-04 | 2003-03-12 | Agilent Technologies Inc | Lancet cartridge for sampling blood |
| CN100575203C (en) * | 2002-08-20 | 2009-12-30 | 贝克顿·迪金森公司 | A plurality of container assemblies |
| ITPD20040048A1 (en) * | 2004-02-20 | 2004-05-20 | Vizaplastik Societa Accom Semp | PERFECTED BLOOD COLLECTION TUBE CAP. |
| JP4816218B2 (en) * | 2006-04-19 | 2011-11-16 | ニプロ株式会社 | Depressurized blood collection tube |
| JP4760507B2 (en) * | 2006-04-19 | 2011-08-31 | ニプロ株式会社 | Depressurized blood collection tube |
| US8530231B2 (en) | 2006-12-27 | 2013-09-10 | Kaneka Corporation | Vacuum blood collection tube |
| JP2010085276A (en) * | 2008-09-30 | 2010-04-15 | Toru Obata | Gel particle generation apparatus, and gel particle measuring device using it |
| JP3209316U (en) * | 2016-12-26 | 2017-03-09 | 株式会社島津製作所 | Liquid container and pretreatment device using the liquid container |
| CN108413749B (en) * | 2018-05-09 | 2019-12-20 | 谭宏伟 | Blood collection tube drying and sterilizing device |
| JP6863437B2 (en) * | 2019-11-20 | 2021-04-21 | 株式会社島津製作所 | Liquid storage container and pretreatment equipment using the liquid storage container |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6449543A (en) * | 1987-08-19 | 1989-02-27 | Material Eng Tech Lab Inc | Blood collection tube |
| JPH0138502B2 (en) * | 1985-04-25 | 1989-08-15 | Terumo Corp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4111326A (en) * | 1976-03-04 | 1978-09-05 | Becton, Dickinson And Company | Closure for air evacuated container |
| JPH02212768A (en) * | 1989-02-13 | 1990-08-23 | Terumo Corp | Blood sampling tube |
-
1996
- 1996-03-13 WO PCT/JP1996/000629 patent/WO1996028094A1/en not_active Application Discontinuation
- 1996-03-13 JP JP8055652A patent/JPH08308816A/en active Pending
- 1996-03-13 EP EP96906005A patent/EP0760226A4/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0138502B2 (en) * | 1985-04-25 | 1989-08-15 | Terumo Corp | |
| JPS6449543A (en) * | 1987-08-19 | 1989-02-27 | Material Eng Tech Lab Inc | Blood collection tube |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP0760226A4 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LT4692B (en) | 1998-11-04 | 2000-08-25 | Higienos Institutas | Vacuum container for collecting and storing blood |
| CN106618605A (en) * | 2016-12-26 | 2017-05-10 | 江苏康捷医疗器械有限公司 | Full-automatic equipment vacuum blood collection tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08308816A (en) | 1996-11-26 |
| EP0760226A4 (en) | 1999-06-16 |
| EP0760226A1 (en) | 1997-03-05 |
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