JPH07140138A - Erythrocyte sedimentation rate measuring tube - Google Patents

Abstract

PURPOSE:To perform inspection of blood easily in safety without requiring retry by providing required graduations in the longitudinal direction on the body of a hollow tube for measuring the erythrocyte sedimentation rate and inserting a blood stop member composed of a pulp, which transmits the air but does not transmit a liquid, integrally into the tube body at a predetermined graduation position. CONSTITUTION:Graduations 2 required for measurement of erythrocyte sedimentation rate are provided on the body of a hollow tube for measuring the erythrocyte sedimentation rate from the vicinity of lower end 4 to the vicinity of upper end of the body of a hollow tube, and a zero point is represented by a number 3. The body 1 has a constant inner diameter between the position 3 and the lower end 4. A blood stop member 5 made of a pulp, which transmits the air but does not transmit a liquid, is inserted from the upper mouth of the body 1 at the zero point position 3. When a blood to be inspected is loaded up to the level of the blood stop member 5, the adjustment of graduation can be facilitated. Furthermore, the blood stop member 5 serves to prevent overflow or mixing of foreign matter.

Description

【発明の詳細な説明】 【 ０００１ 】 【 産業上の利用分野 】本発明は血沈管に関するもの
である。 【 ０００２ 】 【 従来の技術 】一般に知られているように、血沈管
は通常長手方向にそって目盛りの付けられた中空で両端
の開放した管から成り、そしてその使用においては予定
のレベル（通常ゼロ目盛り位置）まで所要量のクエン酸
ナトリウムを混和した血液を吸引し、そして血液が漏れ
ない状態にして垂直に立てて血沈測定が行なわれてい
る。その際、血沈管に検査すべき血液を所要量吸引する
方法としては種々のものが報告されている。一つの方法
としては、採血しクエン酸ナトリウムと混和した血液を
入れた真空採血管の一端部を差し込み、他端部を口で吸
ってゼロ目盛り位置まで血液を吸い上げる方法がある。
また、口で吸い上げるかわりに、本発明者が先に提案し
た血沈管内に細長いピストン状棒状体を挿入し、このピ
ストン状棒状体を引き上げることによっ所要量の血液を
吸い上げる方法（特開昭６１−１４２４６５号広報参
照）や特開昭５７−１０７１４２号広報に開示されたよ
うに側面から注射針を挿入できる容器を血沈管の下端に
密封的に装着し、この容器内に注射器を用いて所要量の
血液を注入する方法、あるいは特開昭５９−２１８９５
５号公報に開示されたように真空採血管内に密封かつ可
動可能に適合された栓状体に設けた血沈管挿入孔に血沈
管下端を挿入し、押し下げることにより栓状体が真空採
血管の底にむかって押し下げられ、それにより血沈管挿
入孔に連続して底面に開口した細孔を介して真空採血管
に予め入れられていた検査すべき所定量の血液を血沈管
に注入する方法が用いられている。 【 ０００３ 】 【 発明が解決しようとする課題 】血沈管の一端から
口で吸って検査すべき血液を血沈管に吸引する場合には
操作は簡単であるが、血液ををゼロ目盛り位置まで正確
に吸い上げるのに相当な熟練が要求され、また誤って血
液を飲み込み、最近急激に流行の兆しのある後天性免疫
不全症候群（ＡＩＤＳ）やウイルス性肝炎、梅毒等に感
染する危険がある。また口で吸い上げるかわりに、上記
の各公報に記載されたような特別の器具を用いる場合
は、付属器具の取り扱いが厄介であるだけでなくコスト
的にも高価であり、血沈管を含めて血液等の付着した器
具等の取り扱いや洗浄、消毒、乾燥などの作業者がウイ
ルス等で汚染されたり感染する危険性もある。そこで本
発明は、これら従来技術における課題を解決するため、
検査すべき血液を所定のレベルまで容易に吸引でき作業
者が検査すべき血液に接触する危険性を極力なくし、し
かも検査すべき血液が外気に触れる機会を最小限にでき
る血沈管を提供することを目的としている。 【 ０００４】 【 課題を解決するための手段 】上記の目的を解決す
るために昭和６３年特許願い第１３２７９６号において
本発明のために水性合成樹脂を中空血沈管内に挿入し、
目的を達しられるようにしたが、この中空血沈管本体内
に適合するように製造するためコストダウンができない
欠点があったが、将来のコストアップを抑制し安定供給
と性能、品質向上の見地から本目的のためにパルプに澱
粉を混合しロール状にしその性質はパルプと澱粉を混合
し乾燥させると空気は透過するが血液は透過させなくす
る作用があるため、本目的を達することができた。本発
明による血沈管は中空血沈管本体の長手方向にそって必
要な測定目盛りを設け、予定の目盛り位置で上記中空血
沈管本体内に空気に対しては透過性であるが液体に対し
て不透過性のパルプから成る血液止め部材を一体的に挿
置したことを特徴としている。また本発明においては中
空血沈管本体内の予定の目盛り位置に一体的に挿置され
る血液止め部材は中空血沈管本体内に適合するようにさ
れたプラスチック製の型内に空気に対しては透過性であ
るが液体に対しては不透過性のパルプを詰め込んで構成
される。 【 ０００５ 】 【 作 用 】本発明による血沈管おいては、血沈管
の所定の目盛り位置に挿置されたパルプからなる血液止
め部材は空気にたいしては透過性であるが液体を通さな
いので、検査すべき血液を血液止め部材のレベルまで装
着することにより目盛り位置会わせを容易に行なうこと
ができる。それと共にこの血液止め部材は血沈管の上端
からの溢れや異物の混入を防ぐ作用をする。 【 実施例 】第１図には本発明による血沈管の一実施
例を示し図面において、１は中空血沈管本体でこの中空
血沈管本体１はプラスチック材料やガラス材料で構成さ
れ得る。また中空血沈管本体１の下端近くから上端近く
にかけて血沈測定に必要な測定目盛り２が付けられ、ゼ
ロ目盛り位置を３で示す。このゼロ目盛り位置を３から
下端４までの中空血沈管本体１の内径は一定である。中
空血沈管本体１のゼロ目盛り位置３の上部口には空気に
対して透過性であるが液体を通さないパルプ空なる血液
止め部材５が挿置されている。この血液止め部材５はこ
の実施例では上記性質をもつパルプ５ａを中空血沈管本
体１の上部口からゼロ目盛り位置３まで一定量詰め込む
ことにより構成されている。第２図には血液止め部材の
変形例を示し、この場合には図示したようにプラスチッ
ク製の型６内に空気透過性のパルプ５ａを詰め込み、こ
れを中空血沈管本体１の上部口に一体的に適合すること
によって構成されている。このように構成した図示血沈
管の使用あたって次のように取り扱われる。まず、血沈
管を凝固防止された血液の入っている試験管（図示な
し）の中に血沈管の下部口をいれ、そして血沈管の上部
口よりゴム球（図示なし）等を用いて血液を吸入する。
こうして血液のレベルが血沈管のゼロ目盛り位置３まで
上昇してくると血液は血液止め部材５に接触し、ゼロ目
盛り位置３で停止する。このようにして検査すべき血液
を吸引した血沈管は垂直に立てられ以後は血沈検査法に
よって時間毎に血沈値を読み取れば良い。 【 ０００７ 】 【 発明の効果 】以上説明してきたように本発明によ
れば血沈管のゼロ目盛り位置に空気透過性で液体不透過
性のパルプから成る血液止め部材を挿置しているで血液
検体を血沈管に吸引する際のゼロ目盛り合せは簡単かつ
迅速にでき、しかも血沈管の上部口から血液検体が溢れ
る危険がないと同時に血液検体が外気に触れる機会を最
小限度に抑えることができる。また、血沈管をプラスチ
ック材料で構成することにより安価なコストで提供する
ことができ、それにより血沈管を使い捨てにできる。し
たがって、本発明の血沈管によれば管血液検体の吸引操
作から後処理のまで従事者が血液に触れる危険性はな
く、それによりウイルスを含め血液を介しての各種疾病
に感染する危険性を実質的に回避できる。Description: FIELD OF THE INVENTION The present invention relates to a blood tube. [0002] As is generally known, a haemolysis tube usually consists of a hollow, open-ended tube calibrated along its length and, in its use, at a predetermined level (usually Blood is mixed with a required amount of sodium citrate to the zero scale position), and the blood is prevented from leaking. At that time, various methods have been reported as a method of sucking a required amount of blood to be inspected into a blood tube. As one method, there is a method in which one end of a vacuum blood collection tube containing blood collected and mixed with sodium citrate is inserted, and the other end is sucked with a mouth to suck up blood to the zero scale position.
Further, instead of sucking by mouth, a method of sucking a required amount of blood by inserting a slender piston-shaped rod into the blood-sending tube previously proposed by the present inventor and pulling up the piston-shaped rod (Japanese Patent Laid-Open No. Sho 61-61). As disclosed in JP-A-142465) and JP-A-57-107142, a container into which an injection needle can be inserted from the side is hermetically attached to the lower end of the blood tube, and a syringe is used in the container. A method of injecting an amount of blood, or JP-A-59-21895
As disclosed in Japanese Patent Publication No. 5, the lower end of the blood-collecting tube is inserted into the blood-collecting tube insertion hole provided in the plug-like body which is adapted to be sealed and movably accommodated in the vacuum blood-collecting tube, and the plug-like body is changed into a vacuum blood-collecting tube. A method of injecting a predetermined amount of blood to be inspected, which has been previously put into a vacuum blood collection tube, through the pores which are pushed down toward the bottom and are continuously opened to the bottom of the blood-collecting tube insertion hole by this, is a method. It is used. [0003] When the blood to be tested is sucked into the blood in the blood by sucking from one end of the blood in the blood into the blood in the blood by the mouth, the operation is simple, but the blood is accurately measured to the zero scale position. A considerable skill is required to suck it up, and there is a risk of accidentally swallowing blood and becoming infected with acquired immune deficiency syndrome (AIDS), viral hepatitis, syphilis, etc. Also, instead of sucking it up with the mouth, when using special instruments such as those described in the above publications, the handling of accessory instruments is not only cumbersome but also expensive, and the blood including the blood tube is not included. There is also a risk that workers such as handling, cleaning, disinfecting, and drying the attached equipment will be contaminated with virus or infected. Therefore, the present invention, in order to solve the problems in these conventional techniques,
(EN) To provide a hemostasis tube that can easily aspirate blood to be tested to a predetermined level, minimize the risk of workers coming into contact with blood to be tested, and minimize the chance that the blood to be tested comes into contact with the outside air. It is an object. [0004] In order to solve the above-mentioned object, in Patent Document No. 132796 of 1988, an aqueous synthetic resin was inserted into a hollow blood sedimentation tube for the purpose of the present invention.
Although it was possible to achieve the purpose, there was a drawback that the cost could not be reduced because it was manufactured so as to fit inside the hollow blood sedimentation tube body, but from the viewpoint of stable supply and performance, quality improvement while suppressing future cost increase. For this purpose, starch was mixed with pulp to form a roll, and the property was that when pulp and starch were mixed and dried, it had the effect of allowing air to permeate but not blood, thus achieving this objective. . The blood sedimentation tube according to the present invention is provided with a necessary measuring scale along the longitudinal direction of the hollow blood sedimentation tube main body, and is permeable to air but impermeable to liquid in the hollow blood sedimentation tube main body at a predetermined scale position. It is characterized in that a blood stopping member made of permeable pulp is integrally inserted. Further, in the present invention, the blood stopping member which is integrally inserted at the predetermined graduated position in the hollow blood tube is provided with a plastic mold adapted to fit in the hollow blood tube body with respect to air. It is composed of a pulp that is permeable but impermeable to liquids. [Operation] In the blood sedimentation tube according to the present invention, since the blood stopping member made of pulp inserted at a predetermined scale position of the blood sedimentation tube is permeable to air but impermeable to liquids, it is inspected. By mounting the blood to be processed up to the level of the blood stopping member, the scale can be easily aligned. At the same time, this blood stopping member acts to prevent overflow from the upper end of the blood tube and mixing of foreign matter. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of a blood tube according to the present invention. In the drawing, 1 is a hollow blood tube body, and the hollow blood tube body 1 may be made of a plastic material or a glass material. Further, a measurement scale 2 necessary for blood sedimentation measurement is attached from near the lower end to near the upper end of the hollow blood sedimentation tube main body 1, and a zero scale position is indicated by 3. From the zero scale position 3 to the lower end 4, the inner diameter of the hollow blood sedimentation tube main body 1 is constant. A blood stopper member 5, which is permeable to air but impermeable to liquid, is inserted into the upper opening of the zero scale position 3 of the hollow blood tube body 1. In this embodiment, the blood stopping member 5 is constructed by packing a certain amount of pulp 5a having the above-mentioned properties from the upper opening of the hollow blood sedimentation tube main body 1 to the zero scale position 3. FIG. 2 shows a modified example of the blood stopping member. In this case, as shown in the drawing, the plastic mold 6 is filled with the air permeable pulp 5a, which is integrated with the upper mouth of the hollow blood tube holder 1. It is configured by conforming to each other. When the illustrated blood-sending tube thus constructed is used, it is handled as follows. First, put the lower mouth of the blood tube into a test tube (not shown) containing blood with anticoagulation, and use a rubber ball (not shown) to put blood from the upper port of the blood tube. Inhale.
Thus, when the blood level rises to the zero scale position 3 of the blood tube, the blood comes into contact with the blood stopping member 5 and stops at the zero scale position 3. In this way, the blood sedimentation tube sucking the blood to be tested is set up vertically, and thereafter, the blood sedimentation value may be read every time by the blood sedimentation test method. As described above, according to the present invention, a blood stopper member made of air-permeable, liquid-impermeable pulp is inserted at the zero scale position of the blood-sending tube, so that a blood sample can be obtained. It is possible to easily and quickly set the zero scale when sucking the blood sample into the blood sedimentation tube, and there is no risk of the blood sample overflowing from the upper opening of the blood sedimentation tube, and at the same time, the opportunity for the blood sample to come into contact with the outside air can be minimized. Further, by forming the blood tube with a plastic material, the blood tube can be provided at a low cost, and thus the blood tube can be disposable. Therefore, according to the blood sedimentation tube of the present invention, there is no risk that a worker will come into contact with blood from aspiration operation of a tube blood sample to post-treatment, thereby causing a risk of being infected with various diseases via blood including virus. It can be practically avoided.

【図面の簡単な説明】 第１図は本発明の一実施例を示す概略部分断面図であ
り、第２図は血液止め部材の変形例を示す部分拡大断面
図である。 【 図 中 】 １ ： 中空血沈管本体 ２ ： 血沈測定に必要な測定目盛り ３ ： ゼロ目盛り位置 ４ ： 下端 ５ ： 血液止め部材 ５ａ ： 空気透過性で液体不透過性のパルプBRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic partial cross-sectional view showing an embodiment of the present invention, and FIG. 2 is a partial enlarged cross-sectional view showing a modified example of the blood stop member. [In the figure] 1: Hollow blood sedimentation tube main body 2: Measurement scale required for blood sedimentation measurement 3: Zero scale position 4: Lower end 5: Blood stop member 5a: Air permeable and liquid impermeable pulp

Claims (1)

【特許請求の範囲】 【 請求項 １ 】両端が開放した中空血沈管本体長手
方向に沿って血沈測定に必要な測定目盛りを設け、予定
の目盛り位置で上記中空血沈管本体内に、空気に対して
は透過性であるが液体に対しては不透過性の澱粉混合パ
ルプ（以下パルプ）から成る血液止め部材を一体的に配
置したことを特徴とする血沈管。 【 請求項 ２ 】中空血沈管本体内の予定の目盛り一
に一体的に配置される血液止め部材が、 中空血沈管本体内に密着するようにプラスチック製の型
内に空気に対しては透過性であるが液体に対しては不透
過性のパルプを詰め込んで構成した請求項１に記載血沈
管。Claims: 1. A measurement scale necessary for blood sedimentation measurement is provided along the longitudinal direction of the hollow blood sedimentation tube main body having open both ends, and the hollow blood sedimentation tube main body is provided with a scale at a predetermined scale position with respect to air. A blood-precipitating tube characterized in that a blood stopping member made of starch mixed pulp (hereinafter referred to as pulp) which is permeable to liquid but impermeable to liquid is integrally arranged. 2. A blood stopper member, which is integrally arranged at a predetermined scale in the hollow blood tube body, is permeable to air in a plastic mold so as to be in close contact with the hollow blood tube body. The blood-condensing tube according to claim 1, wherein the blood-impermeable tube is filled with pulp impermeable to liquid.