JP2000201908A - Blood taking tube holder - Google Patents
Blood taking tube holderInfo
- Publication number
- JP2000201908A JP2000201908A JP11005372A JP537299A JP2000201908A JP 2000201908 A JP2000201908 A JP 2000201908A JP 11005372 A JP11005372 A JP 11005372A JP 537299 A JP537299 A JP 537299A JP 2000201908 A JP2000201908 A JP 2000201908A
- Authority
- JP
- Japan
- Prior art keywords
- blood collection
- collection tube
- holder
- blood
- blood taking
- 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、採血管を用いて採
血する際に採血管を保持するための採血管用ホルダーに
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blood collection tube holder for holding a blood collection tube when collecting blood using the blood collection tube.
【０００２】[0002]
【従来の技術】真空採血管による採血は、採血針を採血
管用ホルダーに取り付け、この採血針を血管に穿刺した
あと、真空採血管をホルダーに挿入することによって行
われる。採血針を血管に穿刺する際、採血針のホルダー
側の端面が開放されていると、血液が漏洩するので、一
般的な採血針はこの端面に鞘ゴムがかぶせてある。採血
の際には、採血管の封止部で鞘ゴムを圧縮しながら採血
針のホルダー側の端面が採血管の封止部を貫通して血管
と採血管内が連通することによって、血液が採血管内に
流入し、規定量を採血後、採血管をホルダーから抜き取
ると、鞘ゴムが弾性により復元されて採血針のホルダー
側の端面を覆うことにより、血液の漏洩が防止される
（特開昭５８−１８８５６０、特開昭５８−１８３１７
２）。2. Description of the Related Art Blood collection by a vacuum blood collection tube is performed by attaching a blood collection needle to a blood collection tube holder, piercing the blood collection needle into a blood vessel, and inserting the vacuum blood collection tube into the holder. When puncturing a blood collection needle into a blood vessel, blood leaks if the end face of the blood collection needle on the holder side is open, so that a general blood collection needle is covered with a sheath rubber on this end face. At the time of blood collection, the end face of the blood collection needle on the holder side penetrates through the sealing portion of the blood collection tube and the blood vessel communicates with the inside of the blood collection tube while compressing the sheath rubber at the sealing portion of the blood collection tube, so that blood is collected. When blood flows into the tube and a specified amount of blood is collected, and the blood collection tube is removed from the holder, the sheath rubber is restored by elasticity and covers the end face of the blood collection needle on the holder side, thereby preventing blood leakage (Japanese Patent Application Laid-Open No. HEI 9-163556). 58-188560, JP-A-58-18317
2).
【０００３】しかしながら、このような鞘ゴムを用いた
採血針を用いて採血を行う場合、鞘ゴムの復元力によっ
て採血管が押し戻され、採血管が採血針から抜けてしま
う場合がある。この現象は一般にキックバックと呼ばれ
るが、キックバックが起こると、規定量の採血を行うこ
とができない。However, when blood is collected using a blood collection needle using such a sheath rubber, the blood collection tube may be pushed back by the restoring force of the sheath rubber, and the blood collection tube may fall out of the blood collection needle. This phenomenon is generally called kickback. When kickback occurs, it is not possible to collect a specified amount of blood.
【０００４】この問題を解決するために、特開平１−２
９１８３０号公報には、図７に示したように、ホルダー
に設けられた凸部と採血管の封止部との間の摩擦力を利
用してキックバックを防止する採血管ホルダーが記載さ
れている。しかしながら、このホルダーでは種々の大き
さの封止部を有する採血管に適合できないという問題点
があった。すなわち、封止部の径が小さい採血管を保持
する場合にはホルダーの凸部を大きくする必要がある
が、凸部を大きくしたホルダーに封止部の径が大きな採
血管を挿入しようとする場合、摩擦抵抗が大きいため大
きな力で採血管を挿入しなければならず、採血者の負担
が大きくなる。また、このホルダーに使用する採血管の
封止部はある程度の摩擦抵抗を有する必要があり、摩擦
抵抗の少ない材質でできた封止部の場合は、キックバッ
クを起こすという問題点があった。In order to solve this problem, Japanese Patent Laid-Open Publication No. 1-2
Japanese Patent No. 91830 discloses a blood collection tube holder that prevents kickback by using a frictional force between a convex portion provided on the holder and a sealing portion of the blood collection tube, as shown in FIG. I have. However, this holder has a problem that it cannot be adapted to a blood collection tube having a sealing portion of various sizes. That is, when holding a blood collection tube having a small diameter of the sealing portion, it is necessary to make the convex portion of the holder large, but an attempt is made to insert a blood collection tube having a large diameter of the sealing portion into the holder having the large convex portion. In this case, since the frictional resistance is large, the blood collection tube must be inserted with a large force, and the burden on the blood collector increases. Further, the sealing portion of the blood collection tube used for this holder needs to have a certain degree of frictional resistance, and in the case of a sealing portion made of a material having low frictional resistance, there is a problem that kickback occurs.
【０００５】また、実開平５−３５１０６号公報には、
板状に切り出された先端を有するアタプターが設けられ
た採血筒が記載されている。しかし、かかる採血筒も、
採血管の封止部が摩擦抵抗の少ない材質の場合には、キ
ックバックを起こすという問題点があった。In Japanese Utility Model Laid-Open No. 5-35106,
A blood collection cylinder provided with an adapter having a plate-shaped cut end is described. However, such blood collection tubes also
When the sealing portion of the blood collection tube is made of a material having low frictional resistance, there is a problem that kickback occurs.
【０００６】[0006]
【発明が解決しようとする課題】本発明の目的は、上記
に鑑み、採血管の封止部の大きさや材質に関らずキック
バックを起こすことのない採血管用ホルダーを提供する
ことである。SUMMARY OF THE INVENTION In view of the above, it is an object of the present invention to provide a holder for a blood collection tube which does not cause kickback regardless of the size or material of the sealing portion of the blood collection tube.
【０００７】[0007]
【課題を解決するための手段】請求項１記載の発明は、
一端が開口し他端が閉塞した有底管体、および、有底管
体の開口部を封止し、採血針が刺通可能とされている封
止部からなり、該封止部の最大径が、該有底管体の外径
よりも大きくなされていることを特徴とする採血管に用
いられ、一端に採血管挿入用の開口部を有し、他端に採
血針固定機構を設けた閉塞面を有する筒状の採血管用ホ
ルダーであって、該ホルダーの内壁面側には凸部が形成
され、該凸部は、上記採血管の挿入時に、弾性変形でき
るように構成され、上記採血管が挿入された状態におい
て、該凸部により上記採血管の封止部の最大径部分が係
止されることで採血管が保持されることを特徴とする採
血管用ホルダーである。According to the first aspect of the present invention,
A bottomed tube body that is open at one end and closed at the other end, and a sealing portion that seals the opening of the bottomed tube body so that a blood collection needle can be pierced, The diameter is used for a blood collection tube characterized by being made larger than the outer diameter of the bottomed tubular body, has an opening for inserting a blood collection tube at one end, and has a blood collection needle fixing mechanism at the other end. A cylindrical blood collection tube holder having a closed surface, wherein a convex portion is formed on the inner wall surface side of the holder, and the convex portion is configured to be elastically deformable when the blood collection tube is inserted, In a blood collection tube holder, the blood collection tube is held by locking the maximum diameter portion of the sealing portion of the blood collection tube with the convex portion in a state where the blood collection tube is inserted.
【０００８】請求項２記載の発明は、請求項１記載の採
血管用ホルダーであって、該凸部の頂点と上記閉塞面と
の採血管挿入方向の長さが、６ｍｍ以上１５ｍｍ以下と
されていることを特徴とする採血管用ホルダーである。According to a second aspect of the present invention, there is provided the blood collection tube holder according to the first embodiment, wherein a length of the apex of the convex portion and the closed surface in the blood collection direction is 6 mm or more and 15 mm or less. A blood collection tube holder.
【０００９】（作用）本発明の採血管用ホルダーにおい
ては、ホルダー内壁面側に設けられた弾性変形可能な凸
部が、採血管の封止部の最大径部分を係止することで採
血管を保持することにより、鞘ゴムの復元力により採血
管を押し戻す力が働いても、キックバックを防止するこ
とができる。(Function) In the blood collection tube holder of the present invention, the elastically deformable convex portion provided on the inner wall surface side of the holder locks the maximum diameter portion of the sealed portion of the blood collection tube, thereby forming the blood collection tube. By holding, kickback can be prevented even if a force for pushing back the blood collection tube is exerted by the restoring force of the sheath rubber.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施の形態を、図
面を参照しながら説明する。本発明の採血管ホルダーに
用いる採血管は、一端が開口し他端が閉塞した有底管体
７、および、有底管体の開口部を封止し、採血針が刺通
可能とされている封止部６からなり、該封止部６の最大
径が、該有底管体７の外径よりも大きくなされているこ
とを特徴とするものであり、例えば、図５・６に示され
るような形状のものを用いることができる。Embodiments of the present invention will be described below with reference to the drawings. The blood collection tube used for the blood collection tube holder of the present invention has a bottomed tubular body 7 that is open at one end and is closed at the other end, and seals the opening of the bottomed tubular body so that a blood collection needle can be pierced. The maximum diameter of the sealing portion 6 is set to be larger than the outer diameter of the bottomed tubular body 7, for example, as shown in FIGS. Can be used.
【００１１】図５に示される採血管は、有底管体７と封
止部６が嵌合でき、かつ、分離可能に構成されているも
のである。材質としては特に限定されないが、例えば、
有底管体については、プラスチックやガラスを、封止部
には、ゴムやエラストマーを用いることができる。ま
た、図６に示される採血管は、封止部６のうち最大径部
分６ａが有底管体７と一体的に構成され、封止部頂面６
ｂが採血針が刺通可能な材料で構成されるものである。
封止部頂面を構成する、採血針が刺通可能な材料として
は、たとえば、アルミ箔、各種フィルム、ゴムやエラス
トマー等を用いることができる。The blood collection tube shown in FIG. 5 is configured such that the bottomed tubular body 7 and the sealing portion 6 can be fitted and separated. The material is not particularly limited, for example,
For the bottomed tube, plastic or glass can be used, and for the sealing portion, rubber or elastomer can be used. In the blood collection tube shown in FIG. 6, the largest diameter portion 6a of the sealing portion 6 is formed integrally with the bottomed tube 7, and the top surface 6
"b" is made of a material through which a blood collection needle can be pierced.
As a material constituting the top surface of the sealing portion and penetrable by a blood collection needle, for example, aluminum foil, various films, rubber, elastomer, and the like can be used.
【００１２】本発明の採血管用ホルダーには、ホルダー
の内壁面側に凸部が形成され、例えば、図１〜４に示さ
れるような凸部２が設けられる。上記凸部の形状として
は特に限定されないが、図２・４の凸部２に示されるよ
うにホルダーの採血管挿入方向の断面が、略円弧状とな
るような形状とすることができる。この凸部の数は、特
に限定されないが、１つの場合には、ホルダーに採血管
を挿入した際、採血管が傾く場合があるので、２つ以上
設けることが好ましく、より好ましくは３つ以上設ける
のがよい。図１・３においては、凸部２を３つ設けた実
施態様を、図２・４においては、２つ設けた実施態様を
示す。In the blood collection tube holder of the present invention, a convex portion is formed on the inner wall surface side of the holder, and for example, a convex portion 2 as shown in FIGS. The shape of the convex portion is not particularly limited. However, as shown by the convex portion 2 in FIGS. 2 and 4, the cross section of the holder in the blood collection tube insertion direction may have a substantially arc shape. The number of the protrusions is not particularly limited, but in the case of one, it is preferable to provide two or more, more preferably three or more, since the blood collection tube may be inclined when the blood collection tube is inserted into the holder. It is good to provide. 1 and 3 show an embodiment in which three projections 2 are provided, and FIGS. 2 and 4 show an embodiment in which two projections 2 are provided.
【００１３】上記凸部は、上記採血管の挿入時に、弾性
変形できるように構成される。これは、採血管をホルダ
ーに挿入する際に、採血管の封止部と接触することによ
って凸部が変形して採血管の最大径部分がホルダーの閉
塞面側まで挿入されることが可能であり、かつ、採血管
を挿入した状態で凸部が回復し採血管を保持することが
できれば、その手段は特に限定されない。例えば、ホル
ダーの内壁面側に弾性変形可能な材料で上記凸部を設け
るか、ホルダー内壁面のうち該凸部の付け根付近を弾性
変形できる材料で構成すればよい。また、最も簡単に
は、図１〜４の凸部２に示されるように、円筒状のホル
ダーの壁面を外側から二次加工することによって、壁面
の一部を内側に凸型に突出させる方法を用いることがで
きる。The projection is configured to be elastically deformable when the blood collection tube is inserted. This is because when the blood collection tube is inserted into the holder, the convex portion is deformed by coming into contact with the sealing portion of the blood collection tube, and the largest diameter portion of the blood collection tube can be inserted to the closed surface side of the holder. The means is not particularly limited as long as the convex portion recovers and the blood collection tube can be held while the blood collection tube is inserted. For example, the protrusion may be provided on the inner wall surface side of the holder with an elastically deformable material, or a material capable of elastically deforming the vicinity of the root of the protrusion on the inner wall surface of the holder. In the simplest case, as shown in the convex portion 2 in FIGS. 1 to 4, the wall surface of the cylindrical holder is subjected to secondary processing from the outside so that a part of the wall surface protrudes inwardly. Can be used.
【００１４】本発明の採血管用ホルダーは、上記採血管
が挿入された状態において、該凸部により上記採血管の
封止部の最大径部分が係止されることで採血管が保持さ
れることを特徴とする。すなわち、本発明においては、
上述のような凸部が設けられ、採血管の封止部の最大径
部分が該凸部によって引っかけられることでキックバッ
クが防止される。例えば、図４に示したように、封止部
の最大径と有底管体の外径との外径差を利用して係止さ
れてもよいし、封止部自体に外径差を設け、その外径差
を利用して係止されてもよい。従って、使用する採血管
の封止部の大きさや材質は特に限定されるものではな
い。[0014] In the blood collection tube holder of the present invention, when the blood collection tube is inserted, the maximum diameter portion of the sealing portion of the blood collection tube is locked by the projection, thereby holding the blood collection tube. It is characterized by. That is, in the present invention,
The convex portion as described above is provided, and kickback is prevented by the maximum diameter portion of the sealed portion of the blood collection tube being hooked by the convex portion. For example, as shown in FIG. 4, the outer diameter difference between the maximum diameter of the sealing portion and the outer diameter of the bottomed tubular body may be used for locking, or the outer diameter difference may be applied to the sealing portion itself. It may be provided and locked using the difference in outer diameter. Therefore, the size and material of the sealing portion of the blood collection tube to be used are not particularly limited.
【００１５】本発明の採血管ホルダーでは、上記凸部の
頂点と上記ホルダーの閉塞面との採血管挿入方向の長さ
が、６ｍｍ以上１５ｍｍ以下とされることがより好まし
い。これは、多くの採血管の封止部の採血管挿入方向の
長さは、６ｍｍ以上の長さを有するので、上記凸部の頂
点と上記ホルダーの閉塞面との長さが、６ｍｍ未満では
係止することができないからである。また、採血針の採
血管側の長さは、一般的に２０ｍｍ程度であるが、一般
的な封止部の採血針刺通部は、２〜５ｍｍの肉厚を持つ
ため、上記凸部の頂点と上記ホルダーの閉塞面との採血
管挿入方向の長さが１５ｍｍより大きいと、採血針が刺
通部を貫通した状態のままで該凸部により封止部を係止
することできないからである。In the blood collection tube holder of the present invention, it is more preferable that the length in the blood collection tube insertion direction between the apex of the convex portion and the closed surface of the holder is 6 mm or more and 15 mm or less. This is because the length of the sealing portion of many blood collection tubes in the blood collection tube insertion direction has a length of 6 mm or more, so that the length between the apex of the convex portion and the closed surface of the holder is less than 6 mm. This is because they cannot be locked. The length of the blood collection needle on the blood collection tube side is generally about 20 mm. However, since the blood collection needle piercing portion of a general sealing portion has a thickness of 2 to 5 mm, If the length of the apex and the closed surface of the holder in the direction of inserting the blood collection tube is larger than 15 mm, the sealing portion cannot be locked by the projection while the blood collection needle passes through the piercing portion. is there.
【００１６】本発明の採血管ホルダーにおいては、例え
ば採血管の栓体が本体から抜ける等して採血管ホルダー
内に血液が漏洩した場合でも、採血管ホルダー外に血液
が漏洩するのを防止するため、外側にカバーが設けられ
ることも可能である。In the blood collection tube holder of the present invention, even if blood leaks into the blood collection tube holder due to, for example, the plug of the blood collection tube coming out of the main body, the blood is prevented from leaking out of the blood collection tube holder. Therefore, a cover can be provided on the outside.
【００１７】本発明のホルダーの材質としては特に限定
されないが、金属、プラスチック等が好ましく、プラス
チックの中では、ポリエチレン、ポリプロピレン等がよ
り好ましい。Although the material of the holder of the present invention is not particularly limited, metals, plastics and the like are preferable, and among plastics, polyethylene, polypropylene and the like are more preferable.
【００１８】[0018]
【発明の効果】本発明により、採血管の封止部の大きさ
や材質に関らずキックバックを起こすことのない採血管
用ホルダーを提供することができる。According to the present invention, it is possible to provide a blood collection tube holder that does not cause kickback regardless of the size or material of the sealing portion of the blood collection tube.
【図１】 本発明の採血管ホルダーの実施例を示す斜視
図。FIG. 1 is a perspective view showing an embodiment of a blood collection tube holder of the present invention.
【図２】 本発明の採血管ホルダーの実施例を示す断面
図。FIG. 2 is a sectional view showing an embodiment of the blood collection tube holder of the present invention.
【図３】 本発明の採血管ホルダーの実施例を示す上面
図。FIG. 3 is a top view showing an embodiment of the blood collection tube holder of the present invention.
【図４】 本発明の採血管ホルダーの実施例を使用した
状態を示す断面図。FIG. 4 is a sectional view showing a state in which an embodiment of the blood collection tube holder of the present invention is used.
【図５】 本発明の採血管ホルダーに使用する採血管の
例を示す断面図。FIG. 5 is a cross-sectional view showing an example of a blood collection tube used for the blood collection tube holder of the present invention.
【図６】 本発明の採血管ホルダーに使用する採血管の
例を示す断面図。FIG. 6 is a sectional view showing an example of a blood collection tube used for the blood collection tube holder of the present invention.
【図７】 従来の採血管ホルダーを使用した状態を示す
断面図。FIG. 7 is a sectional view showing a state in which a conventional blood collection tube holder is used.
１…採血管ホルダー本体 ２…凸部 ３…採血針固定機構 ４…フランジ ５…採血針 ６…封止部 ６ａ…最大径部分 ６ｂ…封止部頂面 ７…有底管体 ８…従来技術における凸部 DESCRIPTION OF SYMBOLS 1 ... Blood collection tube holder main body 2 ... Convex part 3 ... Blood collection needle fixing mechanism 4 ... Flange 5 ... Blood collection needle 6 ... Sealing part 6a ... Maximum diameter part 6b ... Sealing part top surface 7 ... Bottomed tube body 8 ... Conventional technology Convex part in
Claims (2)
および、有底管体の開口部を封止し、採血針が刺通可能
とされている封止部からなり、該封止部の最大径が、該
有底管体の外径よりも大きくなされていることを特徴と
する採血管に用いられ、 一端に採血管挿入用の開口部を有し、他端に採血針固定
機構を設けた閉塞面を有する筒状の採血管用ホルダーで
あって、 該ホルダーの内壁面側には凸部が形成され、 該凸部は、上記採血管の挿入時に、弾性変形できるよう
に構成され、 上記採血管が挿入された状態において、該凸部により上
記採血管の封止部の最大径部分が係止されることで採血
管が保持されることを特徴とする採血管用ホルダー。1. A bottomed tubular body having one end opened and the other end closed,
And, the opening of the bottomed tubular body is sealed, and a blood collecting needle is formed of a sealed portion that is pierceable, and the maximum diameter of the sealed portion is larger than the outer diameter of the bottomed tubular body. A tubular blood collection tube holder having an opening for inserting a blood collection tube at one end and a closed surface provided with a blood collection needle fixing mechanism at the other end, which is used for a blood collection tube. A convex portion is formed on the inner wall surface side of the holder, and the convex portion is configured to be elastically deformable when the blood collection tube is inserted. When the blood collection tube is inserted, the convex portion forms A blood collection tube holder, wherein the blood collection tube is held by locking a maximum diameter portion of a sealing portion of the blood collection tube.
て、該凸部の頂点と上記閉塞面との採血管挿入方向の長
さが、６ｍｍ以上１５ｍｍ以下とされていることを特徴
とする採血管用ホルダー。2. The blood collection tube holder according to claim 1, wherein the length between the apex of the projection and the closed surface in the blood collection tube insertion direction is 6 mm or more and 15 mm or less. Blood collection tube holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00537299A JP4142784B2 (en) | 1999-01-12 | 1999-01-12 | Blood collection tube holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00537299A JP4142784B2 (en) | 1999-01-12 | 1999-01-12 | Blood collection tube holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000201908A true JP2000201908A (en) | 2000-07-25 |
| JP4142784B2 JP4142784B2 (en) | 2008-09-03 |
Family
ID=11609350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00537299A Expired - Fee Related JP4142784B2 (en) | 1999-01-12 | 1999-01-12 | Blood collection tube holder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4142784B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009165819A (en) * | 2007-12-14 | 2009-07-30 | Tyco Healthcare Group Lp | Blood collection device with tube retaining structure |
| CN106388799A (en) * | 2016-09-26 | 2017-02-15 | 柳州市人民医院 | An invasive pressure monitoring sensor liquid injection tube and a needle tube matching the same |
-
1999
- 1999-01-12 JP JP00537299A patent/JP4142784B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009165819A (en) * | 2007-12-14 | 2009-07-30 | Tyco Healthcare Group Lp | Blood collection device with tube retaining structure |
| CN106388799A (en) * | 2016-09-26 | 2017-02-15 | 柳州市人民医院 | An invasive pressure monitoring sensor liquid injection tube and a needle tube matching the same |
| CN106388799B (en) * | 2016-09-26 | 2023-06-06 | 柳州市人民医院 | Invasive pressure monitoring sensor liquid injection tube and needle tube matched with same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4142784B2 (en) | 2008-09-03 |
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