JP2000126161A - Blood inspecting tool with puncture needle - Google Patents
Blood inspecting tool with puncture needleInfo
- Publication number
- JP2000126161A JP2000126161A JP10301171A JP30117198A JP2000126161A JP 2000126161 A JP2000126161 A JP 2000126161A JP 10301171 A JP10301171 A JP 10301171A JP 30117198 A JP30117198 A JP 30117198A JP 2000126161 A JP2000126161 A JP 2000126161A
- Authority
- JP
- Japan
- Prior art keywords
- puncture needle
- tubular member
- blood
- capillary
- base end
- 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.)
- Granted
Links
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は穿刺針を備えた血液
検査具に関し、より詳しくは、穿刺針によって刺通され
た皮膚から血液を採取し、これを直接検査薬に接触させ
て血液の検査をすることができる血液検査具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blood test device provided with a puncture needle, and more particularly, to a blood test by collecting blood from the skin pierced by the puncture needle and bringing the blood into direct contact with a test agent. The present invention relates to a blood test device that can perform
【０００２】[0002]
【従来の技術】血糖値の検査など血液検査のために微量
の血液を採取する用具として、従来、ランセットが多用
されている。このものは、先端に刃先を備えており、採
血は、ランセットを指先等の皮膚に刺通して、その傷口
から滲み出た微量の血液を採取することによって行われ
る。ランセットは原則として毎採血毎に取り替えられ、
使用済みのランセットは、通常、使用前に本体よりネジ
切られ分離されていたキャップに刃先部分を突き刺して
廃棄されている。2. Description of the Related Art Lancet has been frequently used as a tool for collecting a small amount of blood for a blood test such as a blood sugar level test. This device has a cutting edge at its tip, and blood is collected by piercing a lancet into the skin of a fingertip or the like and collecting a small amount of blood oozing from the wound. The lancet is changed in principle every blood sampling,
The used lancet is usually discarded by piercing the blade portion into a cap which has been separated from the main body by threading before use.
【０００３】血液検査に際しては、従来のランセットを
利用した採血方法では、一般に、傷口から滲み出た血液
を専用の採血管を用いて採取し、この採取された血液を
用いて血液検査を行う方法や、傷口に直接検査紙を押し
当てて検査紙に血液を付着させて血液検査を行う方法が
採用されている。しかしながら、上記のような方法は、
血液採取と検査を別々に行うため、血液に接触する機会
が多くなり、従って血液感染の機会が多くなるという欠
点を有している。[0003] In a blood test, in a conventional blood collection method using a lancet, generally, blood exuding from a wound is collected using a special blood collection tube, and a blood test is performed using the collected blood. Alternatively, a blood test is performed by directly pressing a test paper against a wound to attach blood to the test paper. However, such a method is
Since blood sampling and testing are performed separately, there is a disadvantage that the chance of contact with blood is increased, and thus the chance of blood infection is increased.
【０００４】[0004]
【発明が解決しようとする課題】本発明は上記の事情に
鑑みてなされたもので、採血と血液検査を一回の操作で
行うことのできる血液検査具を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a blood test tool which can perform blood collection and blood test by one operation.
【０００５】[0005]
【課題を解決するための手段】本発明者は、上記の課題
を解決するために、検査薬と採血手段の一体化に付いて
鋭意検討の結果、穿刺針の内腔に毛細管を挿着固定する
ことにより、毛細管から採血された血液をその儘検査薬
に接触させることができることに想到し、本発明に到達
した。すなわち、本発明は、先端と基端を有する合成樹
脂製管状部材と、該管状部材の内径と等しい外径を有し
ており該管状部材の内腔にその先端から刃先が所定長突
出するように挿着固定された中空の穿刺針と、該穿刺針
の内径と等しい外径を有しており該穿刺針の内腔にその
刃先の位置まで挿着された毛細管、および該毛細管の基
端に隣接して配設された検査薬を含んでなり、前記毛細
管の基端が前記穿刺針の基端と同一または該穿刺針から
突出した位置にあり、前記検査薬が外部から観察可能に
されてなる、穿刺針を備えた血液検査具である。ここ
で、検査薬は濾紙に染み込まされたものや、脱脂綿に染
み込まされたものが好ましく採用される。また、毛細管
の基端は管状部材の基端から所定長後退した位置にあっ
ても、管状部材の基端と同じ位置にあってもよく、前者
の場合、検査薬は管状部材の内腔に収容され、後者の場
合、検査薬は例えば管状部材の基端を閉鎖する透明なキ
ャップ部材の天面内壁に設けられる。毛細管の基端が管
状部材の基端から所定長後退した位置にある場合、管状
部材の基端から毛細管の基端にかけての管状部材の内腔
は拡径されていてもよい。Means for Solving the Problems To solve the above-mentioned problems, the present inventors have made intensive studies on the integration of a test reagent and blood sampling means, and as a result, inserted and fixed a capillary tube into the lumen of a puncture needle. By doing so, the present inventors have conceived that the blood collected from the capillary can be brought into contact with the test agent as it is, and have reached the present invention. That is, the present invention provides a synthetic resin tubular member having a distal end and a proximal end, and has an outer diameter equal to the inner diameter of the tubular member, and the cutting edge protrudes from the distal end into the lumen of the tubular member by a predetermined length. A hollow puncture needle fixedly inserted into the puncture needle, a capillary having an outer diameter equal to the inner diameter of the puncture needle, and inserted into the lumen of the puncture needle up to the position of its cutting edge, and the proximal end of the capillary And a test agent disposed adjacent to the probe, wherein the base end of the capillary is the same as the base end of the puncture needle or at a position protruding from the puncture needle, and the test agent is made observable from outside. This is a blood test device provided with a puncture needle. Here, as the test agent, those soaked in filter paper and those soaked in absorbent cotton are preferably used. In addition, the proximal end of the capillary may be at a position retreated by a predetermined length from the proximal end of the tubular member, or may be at the same position as the proximal end of the tubular member.In the former case, the test agent is placed in the lumen of the tubular member. In the latter case, the test agent is provided, for example, on the top inner wall of a transparent cap member closing the proximal end of the tubular member. When the proximal end of the capillary is at a position receded from the proximal end of the tubular member by a predetermined length, the lumen of the tubular member from the proximal end of the tubular member to the proximal end of the capillary may be enlarged.
【０００６】[0006]
【発明の実施の形態】次に本発明の実施例について図面
に基づいて説明する。図１は本発明の一実施例を示す縦
断面図であり、図２および図３は他の実施例を示す縦断
面図である。図１〜図３に示すように、本発明の血液検
査具は、管状部材１と中空の穿刺針２と毛細管３と検査
薬４を含んでなり、穿刺針２は管状部材２の内腔１２に
その先端から刃先２１が所定長突出するように挿着固定
され、毛細管３は穿刺針２の内腔２２にその刃先２１の
位置まで挿着され、検査薬は毛細管３の基端に隣接して
配設されている。そして、毛細管３の基端は穿刺針２の
基端と同一または穿刺針２から突出した位置にあり、検
査薬４、４０は外部から観察可能になっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a longitudinal sectional view showing one embodiment of the present invention, and FIGS. 2 and 3 are longitudinal sectional views showing another embodiment. As shown in FIGS. 1 to 3, the blood test device of the present invention includes a tubular member 1, a hollow puncture needle 2, a capillary tube 3, and a test agent 4, and the puncture needle 2 has a lumen 12 of the tubular member 2. The capillary 21 is inserted and fixed so that a blade 21 protrudes from the distal end thereof by a predetermined length, the capillary 3 is inserted into the lumen 22 of the puncture needle 2 up to the position of the blade 21, and the test agent is adjacent to the proximal end of the capillary 3. It is arranged. The proximal end of the capillary tube 3 is located at the same position as the proximal end of the puncture needle 2 or at a position protruding from the puncture needle 2, so that the test agents 4 and 40 can be observed from the outside.
【０００７】管状部材１は外部から観察可能な様に、透
明または半透明な合成樹脂の例えばポリエチレンやポリ
プロピレン、ポリエステル、ポリ塩化ビニル等で形成さ
れており、穿刺針２の外径と等しい径の内腔１２を有し
ている。この内腔１２にはその先端から刃先が所定長
（通常２〜４ｍｍ）突出するように中空の穿刺針２が挿
着され固定されている。管状部材１と穿刺針２の固定
は、インサート成形または接着剤を用いて行うことがで
きる。穿刺針２はステンレスなどで形成された細い中空
針であり、毛細管３の外径と等しい径の内腔２２を有し
ている。この内腔２２にはその刃先の位置まで毛細管３
が挿着されており、毛細管３の基端は穿刺針２の基端と
同一または穿刺針２から突出している。尚、穿刺針２
は、皮膚に刺通した時の痛みを少なくするために、外径
０．８ｍｍ以下に形成するのが好ましい。The tubular member 1 is made of a transparent or translucent synthetic resin such as polyethylene, polypropylene, polyester, polyvinyl chloride or the like so as to be observable from the outside, and has a diameter equal to the outer diameter of the puncture needle 2. It has a lumen 12. The hollow puncture needle 2 is inserted into and fixed to the inner cavity 12 such that the cutting edge protrudes from the distal end by a predetermined length (usually 2 to 4 mm). The tubular member 1 and the puncture needle 2 can be fixed by insert molding or using an adhesive. The puncture needle 2 is a thin hollow needle formed of stainless steel or the like, and has a lumen 22 having a diameter equal to the outer diameter of the capillary tube 3. This lumen 22 has a capillary 3 up to the position of its cutting edge.
Is inserted, and the proximal end of the capillary 3 is the same as the proximal end of the puncture needle 2 or protrudes from the puncture needle 2. In addition, puncture needle 2
Is preferably formed with an outer diameter of 0.8 mm or less in order to reduce pain when penetrating the skin.
【０００８】毛細管３は合成樹脂やガラス、ステンレス
などで形成された極細管（内径は毛細管現象の生ずる範
囲であれば特に限定されない）であり、毛細管３の基端
にはこれに隣接して検査薬４、４０が設けられている。
毛細管３の基端は管状部材１の基端から所定長（特に限
定するものでは無いが、通常３〜５ｍｍ）後退した位置
にあっても、管状部材１の基端と同じ位置にあってもよ
く、前者の場合、検査薬４、４０は、図１および図２に
示すように、管状部材１の内腔１２に挿着され、後者の
場合、検査薬４、４０は、例えば図３に示すように、管
状部材１の基端を閉鎖する透明なキャップ部材６の天面
内壁に設けることができる。毛細管３の基端が管状部材
１の基端から所定長後退した位置にある場合、図２に示
すように、管状部材１の基端から毛細管３の基端にかけ
ての管状部材１の内腔１３は拡径されていてもよい。The capillary 3 is an ultrafine tube made of synthetic resin, glass, stainless steel or the like (the inner diameter is not particularly limited as long as the capillary phenomenon occurs). Drugs 4 and 40 are provided.
The proximal end of the capillary 3 may be at a position retracted from the proximal end of the tubular member 1 by a predetermined length (not particularly limited, usually 3 to 5 mm), or at the same position as the proximal end of the tubular member 1. In the former case, the test agents 4 and 40 are inserted into the lumen 12 of the tubular member 1 as shown in FIGS. 1 and 2, and in the latter case, the test agents 4 and 40 are, for example, as shown in FIG. As shown, a transparent cap member 6 closing the proximal end of the tubular member 1 can be provided on the top inner wall. When the proximal end of the capillary 3 is located at a position retracted from the proximal end of the tubular member 1 by a predetermined length, the lumen 13 of the tubular member 1 extends from the proximal end of the tubular member 1 to the proximal end of the capillary 3 as shown in FIG. May be enlarged in diameter.
【０００９】検査薬は、図１および図３に示すようにこ
れを濾紙に染み込ませたもの４であっても、図２に示す
ように脱脂綿に染み込ませたもの４０であってもよく、
毛細管３に隣接して設けることにより、毛細管現象によ
り毛細管３の内腔３２を通って吸い上げられた血液と短
時間で接触できるようになっている。尚、図１や図２に
示すように、管状部材１の内腔１２、１３に検査薬４、
４０を収容した場合には、異物が混入したり、検査薬４
が外に出ないように、管状部材１の基端側の内腔１２、
１３は合成樹脂のカバーフィルム５で閉鎖するのが好ま
しい。また、管状部材１が不透明な材料で形成されてお
り、検査薬４、４０が外部から観察しにくい場合には、
検査薬収容部分に閉鎖された透明な窓（図示していな
い）を設けてもよい。閉鎖された透明な窓は、管状部材
１に窓を設けこの窓を例えば透明なフィルムで閉鎖する
などして形成することができる。As shown in FIGS. 1 and 3, the test agent may be a filter paper 4 impregnated with filter paper, or a test agent impregnated with absorbent cotton 40 as shown in FIG.
By providing the capillary tube 3 adjacent to the capillary tube 3, it is possible to contact the blood sucked through the lumen 32 of the capillary tube 3 in a short time by the capillary phenomenon. As shown in FIG. 1 and FIG. 2, the test agent 4 is provided in the lumens 12 and 13 of the tubular member 1.
In the case where 40 is accommodated, foreign matter may be
, So as not to go outside, the lumen 12 on the proximal side of the tubular member 1,
13 is preferably closed with a synthetic resin cover film 5. When the tubular member 1 is formed of an opaque material and the test agents 4 and 40 are difficult to observe from the outside,
A closed transparent window (not shown) may be provided in the test agent containing portion. The closed transparent window can be formed by providing a window in the tubular member 1 and closing the window with a transparent film, for example.
【００１０】次に本発明の血液検査具の使用について説
明する。本発明の血液検査具は手で持って直接指などに
刺通することも可能であるが、手で刺通する場合、触れ
などが生じて患者に必要以上の苦痛を与えることがある
ので、通常、これを専用のインジェクター（図示してい
ない）にセットして使用する。血液検査具をインジェク
ターにセットし、これを例えば指に当てて穿刺針押出ボ
タンを押すと、血液検査具の穿刺針２がインジェクター
の先端から突出して指の皮膚を刺通する。この時、穿刺
針２は刃先２１の１．５〜２ｍｍ程度が皮膚に入る。ボ
タンを押し続けると血液が穿刺針２に挿着された毛細管
３を介して毛細管現象により自動的に吸引され、検査薬
４と接触するので、外から検査薬４の色を観察すること
により瞬時に血液検査結果を知ることができる。突出し
た穿刺針３はボタンを離せばインジェクターの内部に引
っ込めることができる。Next, the use of the blood test device of the present invention will be described. Although the blood test device of the present invention can be pierced directly with a finger or the like by holding it with a hand, if pierced with a hand, the patient may feel unnecessarily suffering from touch and the like, Usually, this is set in a dedicated injector (not shown) and used. When the blood test device is set on the injector and put on the finger, for example, and the puncture needle push button is pressed, the puncture needle 2 of the blood test device protrudes from the tip of the injector and penetrates the skin of the finger. At this time, about 1.5 to 2 mm of the cutting edge 21 of the puncture needle 2 enters the skin. When the button is kept pressed, blood is automatically aspirated by capillary action via the capillary tube 3 inserted into the puncture needle 2 and comes into contact with the test agent 4, so that the color of the test agent 4 can be observed from the outside by instantaneous observation. You can know the blood test results. The protruding puncture needle 3 can be retracted into the injector by releasing the button.
【００１１】[0011]
【発明の効果】以上説明してきたことから明らかなよう
に、本発明の血液検査具を採用することにより、採血と
血液検査を一回の操作で行うことができるので、簡単．
迅速に検査を行うことができる。また、血液に接触する
機会が無いので血液感染の危険を回避することができ
る。As is clear from the above description, by employing the blood test device of the present invention, blood collection and blood test can be performed in a single operation.
Inspection can be performed quickly. Further, since there is no opportunity to come into contact with blood, the risk of blood infection can be avoided.
【図１】 本発明の一実施例を示す縦断面図である。FIG. 1 is a longitudinal sectional view showing one embodiment of the present invention.
【図２】 他の実施例を示す縦断面図である。FIG. 2 is a longitudinal sectional view showing another embodiment.
【図３】 他の実施例を示す縦断面図である。FIG. 3 is a longitudinal sectional view showing another embodiment.
１ 管状部材 １２ 内腔 １３ 拡大された内腔 ２ 穿刺針 ２１ 刃先 ２２ 内腔 ３ 毛細管 ３２ 内腔 ４、４０ 検査薬 ５ カバーフィルム ６ キャップ部材 Reference Signs List 1 tubular member 12 lumen 13 enlarged lumen 2 puncture needle 21 blade 22 lumen 3 capillary 32 lumen 4, 40 test agent 5 cover film 6 cap member
Claims (6)
と、該管状部材の内径と等しい外径を有しており該管状
部材の内腔にその先端から刃先が所定長突出するように
挿着固定された中空の穿刺針と、該穿刺針の内径と等し
い外径を有しており該穿刺針の内腔にその刃先の位置ま
で挿着された毛細管、および該毛細管の基端に隣接して
配設された検査薬を含んでなり、前記毛細管の基端が前
記穿刺針の基端と同一または該穿刺針から突出した位置
にあり、前記検査薬が外部から観察可能にされてなる、
穿刺針を備えた血液検査具。1. A tubular member made of synthetic resin having a distal end and a proximal end, and having an outer diameter equal to the inner diameter of the tubular member so that a cutting edge protrudes from the distal end of the tubular member by a predetermined length from the distal end thereof. A hollow puncture needle that is inserted and fixed, a capillary having an outer diameter equal to the inner diameter of the puncture needle, and inserted into the lumen of the puncture needle up to the position of its cutting edge, and a proximal end of the capillary. Including a test agent disposed adjacent to, the base end of the capillary is the same as the base end of the puncture needle or at a position protruding from the puncture needle, the test agent is made observable from the outside Become,
Blood test device with puncture needle.
項１に記載の血液検査具。2. The blood test device according to claim 1, wherein the test agent is soaked in filter paper.
求項１に記載の血液検査具。3. The blood test device according to claim 1, wherein the test agent is impregnated in absorbent cotton.
長後退した位置にあり、検査薬が管状部材の内腔に収容
されてなる請求項１〜３のいずれかに記載の血液検査
具。4. The blood test according to claim 1, wherein the base end of the capillary is located at a position receded from the base end of the tubular member by a predetermined length, and the test agent is contained in the lumen of the tubular member. Utensils.
ての管状部材の内腔が拡径されてなる請求項４に記載の
血液検査具。5. The blood test device according to claim 4, wherein the inner diameter of the tubular member from the base end of the capillary to the base end of the tubular member is enlarged.
置にあり、検査薬が管状部材の基端を閉鎖する透明なキ
ャップ部材の天面内壁に設けられてなる請求項１〜３の
いずれかに記載の血液検査具。6. The method according to claim 1, wherein the base end of the capillary is located at the same position as the base end of the tubular member, and the test agent is provided on the top inner wall of the transparent cap member closing the base end of the tubular member. The blood test device according to any one of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30117198A JP3633317B2 (en) | 1998-10-22 | 1998-10-22 | Blood test tool with puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30117198A JP3633317B2 (en) | 1998-10-22 | 1998-10-22 | Blood test tool with puncture needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000126161A true JP2000126161A (en) | 2000-05-09 |
| JP3633317B2 JP3633317B2 (en) | 2005-03-30 |
Family
ID=17893655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30117198A Expired - Fee Related JP3633317B2 (en) | 1998-10-22 | 1998-10-22 | Blood test tool with puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3633317B2 (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002071063A1 (en) * | 2001-03-01 | 2002-09-12 | Isaksson Bjoern | System for handling body fluids |
| JP2004249078A (en) * | 2002-06-25 | 2004-09-09 | Bayer Healthcare Llc | Sensor with integrated lance |
| JP2009509646A (en) * | 2005-09-30 | 2009-03-12 | インテュイティ メディカル インコーポレイテッド | Fluid sample transport apparatus and method |
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