JPH0638910U - Blood collection needle - Google Patents
Blood collection needleInfo
- Publication number
- JPH0638910U JPH0638910U JP8450292U JP8450292U JPH0638910U JP H0638910 U JPH0638910 U JP H0638910U JP 8450292 U JP8450292 U JP 8450292U JP 8450292 U JP8450292 U JP 8450292U JP H0638910 U JPH0638910 U JP H0638910U
- Authority
- JP
- Japan
- Prior art keywords
- needle
- capsule
- blood
- blood collection
- elastic body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
(57)【要約】
【目的】 本考案は、微量の血液を指や耳たぶ以外の毛
細血管から採取するときの採血針を、安全かつ簡便なだ
けでなく、経済的にも負担の少ないよう供給することに
ある。
【構成】 貫通穴の一部をテーパ部(10)とした、カ
プセル(1)に、針先端方向に突起した弾性体(8)を
有する、採血針(5)が治まる(図3a)。カプセルを
針駆動装置に取り付け、針駆動装置を作動することによ
り、採血針の頭がたたかれると、針先端がカプセルから
飛び出し、皮膚に刺さる。このとき弾性体はテーパ面に
沿ってたわむ(図3b)。穿刺後、採血針は弾性体とテ
ーパ面の反発により復帰し、皮膚より抜ける。針駆動装
置により引圧を与えると、カプセルを通して皮膚に伝わ
り、採血される。
(57) [Summary] [Objective] The present invention provides a blood collection needle for collecting a small amount of blood from capillaries other than fingers and ear lobes so that it is not only safe and convenient but also economically burdensome. To do. [Structure] A blood collection needle (5) having an elastic body (8) protruding in the needle tip direction in a capsule (1) in which a part of a through hole is a tapered portion (10) is settled (Fig. 3a). When the capsule is attached to the needle driving device and the needle driving device is operated, when the head of the blood collecting needle is hit, the tip of the needle pops out of the capsule and pierces the skin. At this time, the elastic body bends along the tapered surface (FIG. 3b). After the puncture, the blood collection needle returns due to the repulsion of the elastic body and the tapered surface, and comes out of the skin. When a pulling force is applied by the needle driving device, it is transmitted to the skin through the capsule and blood is collected.
Description
【0001】[0001]
本考案は、微量の血液を採取するときに使用する針に関するものである。 The present invention relates to a needle used when collecting a small amount of blood.
【0002】[0002]
糖尿病患者のように、患者の血液中の血糖濃度を常に監視していなければなら ない人達は、指先、耳たぶ等の皮膚に損傷を与え、血液を採取している。 この血液採取は1日1回〜数回であり、その負担は極めて大きい。 この負担は、例えば穿刺時の痛みと恐怖心であるが、神経の敏感な指先や耳た ぶ以外からは採血できないため、この負担は倍増し、しかも使用頻度の高い指先 のような場合は、採血後の傷跡が残って、菌の侵入により感染症にかかり易い問 題もある。 People, such as diabetic patients, who need to constantly monitor the blood sugar level in the blood of a patient, damage the skin such as fingertips and ear lobes and collect blood. This blood collection is once to several times a day, and the burden is extremely heavy. This burden is, for example, pain and fear at the time of puncture, but since blood can be collected only from sensitive fingertips or ear lobes of nerves, this burden doubles, and in the case of frequently used fingertips, In some cases, scars remain after blood collection, and infection is likely to occur due to bacterial invasion.
【0003】[0003]
本出願人は、このような患者の負担をできるだけ軽減すべく、採血器の提案を した(特願平3−193544号、平成3年7月9日出願)。 この発明は、従来に較べ指先以外からも採血でき、痛みが少なく、衛生的であ るばかりでなく、操作が簡便で、恐怖心を軽減できる効果を持っていた。 The present applicant has proposed a blood sampling device to reduce such a burden on the patient as much as possible (Japanese Patent Application No. 3-193544, filed on July 9, 1991). The present invention has the effects that blood can be collected from other than the fingertips, pain is less, and hygiene is easier than before, and the operation is simple and fear can be reduced.
【0004】 しかし、上述した発明では、使い捨てとなる、針を収納したカプセル部分のコ ストが高くなってしまうという不満が残った。However, in the above-mentioned invention, there remains a complaint that the cost of the capsule portion that accommodates the needle becomes disposable and becomes high.
【0005】 よって、本考案は、上述した欠点を解決するために、コストの軽減を図ったも のである。Therefore, the present invention aims to reduce the cost in order to solve the above-mentioned drawbacks.
【0006】[0006]
採血針(5)を駆動させるための針駆動装置(14)に、取り付けるカプセル (1)を有し、カプセル(1)中央に貫通穴(7)を通す。貫通穴(7)は一部 分をテーパ部(10)とし、テーパ部(10)は基端方向(図面上方向)に向か って径が大きくなる形となっている。 採血針(5)は、側方に、先端方向(図面下方向)に向かって突起した弾性体 (8)を有している。 採血針(5)は、カプセル(1)の貫通穴(7)内に治まる。このとき、テー パ部(10)基端に弾性体(8)先端がのるようにし、弾性体(8)により採血 針(5)が支えられるようにする。 The needle driving device (14) for driving the blood collecting needle (5) has a capsule (1) to be attached, and a through hole (7) is passed through the center of the capsule (1). A part of the through hole (7) has a tapered portion (10), and the tapered portion (10) has a shape in which the diameter increases toward the base end direction (the upward direction in the drawing). The blood collection needle (5) has an elastic body (8) laterally protruding in the distal direction (downward in the drawing). The blood collection needle (5) is settled in the through hole (7) of the capsule (1). At this time, the tip of the elastic body (8) is placed on the base end of the taper part (10) so that the blood collecting needle (5) is supported by the elastic body (8).
【0007】[0007]
カプセル(1)を、針駆動装置(14)に取り付け、針駆動装置(14)を作 動させると、採血針(5)の基端がたたかれ、針先端がカプセル先端から飛び出 し、皮膚に刺さる。このとき、弾性体(8)はテーパ部(10)のテーパ面に沿 ってたわむ。 穿刺後、採血針(5)は弾性体(8)の反発力によって、基端方向に押され、 皮膚から抜かれ、もとの位置に戻る。針駆動装置(14)により引圧力を与える と、皮膚から血液が採取される。 When the capsule (1) is attached to the needle drive device (14) and the needle drive device (14) is activated, the proximal end of the blood collection needle (5) is hit, the needle tip pops out from the capsule tip, and the skin is removed. Stick in. At this time, the elastic body (8) bends along the tapered surface of the tapered portion (10). After the puncture, the blood collecting needle (5) is pushed in the proximal direction by the repulsive force of the elastic body (8), pulled out from the skin, and returned to its original position. When a pulling force is applied by the needle driving device (14), blood is taken from the skin.
【0008】[0008]
以下に、本考案の実施例を図面に基づき説明する。 図2に示すカプセル(1)は、中央に貫通穴(7)を通す。貫通穴(7)は一 部をテーパ部(10)とし、テーパ部(10)は基端方向(図面上方向)に向か って径の大きくなる形となっている。 図1に示す採血針(5)は、針(4)の回りを、側方に、先端方向(図面下方 向)に向かって突起した弾性体(8)を有した支持部(3)で覆い、針先端を支 持部(3)と一体で成形した保護部(6)で覆う。 支持部(3)の外径を、カプセル(1)のテーパ部(10)基端の径に合わせ 、採血針(5)が、貫通穴(7)内を穴方向に自由に動作できるように設定する 。 Embodiments of the present invention will be described below with reference to the drawings. The capsule (1) shown in FIG. 2 has a through hole (7) at its center. A part of the through hole (7) is a tapered portion (10), and the tapered portion (10) has a shape in which the diameter increases toward the base end direction (upward direction in the drawing). The blood collection needle (5) shown in FIG. 1 is covered with a support portion (3) having an elastic body (8) protruding laterally around the needle (4) toward the tip direction (downward in the drawing). , The tip of the needle is covered with a protection part (6) formed integrally with the support part (3). The outer diameter of the support portion (3) is adjusted to the diameter of the proximal end of the tapered portion (10) of the capsule (1) so that the blood collection needle (5) can freely move in the through hole (7) in the hole direction. To set.
【0009】 採血針(5)先端の保護部(6)をはずし、カプセル(1)の基端側から採血 針(5)をカプセル(1)に差し込む。このとき、カプセル(1)の基端からテ ーパ部(10)先端までの長さを、針先端から弾性体(8)先端までの長さより 、長く設定することにより、針先端を痛めることなく採血針(5)をカプセル( 1)内に治めることができる。 採血針(5)は、カプセル(1)内のテーパ部(10)基端に弾性体(8)先 端がのるように治まる。(図3a)。このとき、支持部(3)の基端部は、カプ セル(1)内から突出し、使用者はここをつまんで採血針(5)の抜き差しを行 う。これにより、安全かつ簡単に操作が行える。The protective portion (6) at the tip of the blood collecting needle (5) is removed, and the blood collecting needle (5) is inserted into the capsule (1) from the proximal end side of the capsule (1). At this time, the needle tip is damaged by setting the length from the base end of the capsule (1) to the tip of the taper part (10) longer than the length from the needle tip to the tip of the elastic body (8). The blood collection needle (5) can be set in the capsule (1) without the need. The blood collection needle (5) is settled so that the distal end of the elastic body (8) lies on the proximal end of the tapered portion (10) in the capsule (1). (Fig. 3a). At this time, the base end part of the support part (3) projects from the inside of the capsule (1), and the user pinches this and pulls out the blood collection needle (5). This allows safe and easy operation.
【0010】 採血針(5)の治まったカプセル(1)を、針駆動装置(14)に取り付ける (図4)。カプセル(1)基端を、針駆動装置(14)先端の穴に差し込むだけ で取り付けることができる。 押し部(13)を押すことによって、針駆動装置(14)を作動させると、例 えば、バネの反発力、あるいは、磁石の吸引力等によってハンマー(15)が飛 び出し、採血針(5)の基端をたたく。採血針(5)は、その先端がカプセル( 1)先端から飛び出し、皮膚に刺さる。このとき、弾性体(8)は、テーパ部( 10)に沿ってたわむ(図3b)。穿刺後、ハンマー(15)が後退すると、採 血針(5)は、弾性体(8)の反発力により、皮膚から抜かれ、もとの位置に戻 る(図3a)。弾性体(8)がテーパ面を滑ることで、小さな穴内で比較的長い ストロークを得ることができ、しかも、弾性体(8)は、採血針(5)と一体で 成形できるため、コストの軽減もはかれる。 針駆動装置(14)により引圧力を与えると、引圧力がカプセル(1)を通し て皮膚に伝わり、皮膚から血液が採取される。The capsule (1) in which the blood collection needle (5) has settled is attached to the needle driving device (14) (FIG. 4). It can be attached simply by inserting the base end of the capsule (1) into the hole at the tip of the needle driving device (14). When the needle driving device (14) is actuated by pushing the pushing part (13), the hammer (15) jumps out by the repulsive force of the spring or the attractive force of the magnet, and the blood collecting needle (5) ) Hit the base end. The blood sampling needle (5) has its tip protruding from the tip of the capsule (1) and piercing the skin. At this time, the elastic body (8) bends along the tapered portion (10) (FIG. 3b). When the hammer (15) retracts after the puncture, the blood collecting needle (5) is pulled out of the skin by the repulsive force of the elastic body (8) and returns to its original position (Fig. 3a). By sliding the elastic body (8) on the tapered surface, a relatively long stroke can be obtained in a small hole, and the elastic body (8) can be molded integrally with the blood sampling needle (5), which reduces the cost. It is also scratched. When a pulling force is applied by the needle driving device (14), the pulling force is transmitted to the skin through the capsule (1) and blood is collected from the skin.
【0011】 血液採取後、採血針(5)をカプセル(1)からはずし、針先端に保護部(6 )をはめる。保護部(6)により、使用前後の採血針(5)が、衛生的かつ安全 に保たれる。After the blood collection, the blood collecting needle (5) is removed from the capsule (1), and the protective portion (6) is attached to the tip of the needle. The protective part (6) keeps the blood collection needle (5) before and after use hygienic and safe.
【0012】 本実施例においては、カプセル(1)は、繰り返し使用とし、採血針(5)だ けを使い捨てとして使用している。これにより、安い針だけを使用者に提供でき 、使用者の経済的負担も軽減できる。 別の実施例として、採血針(5)が始めからカプセル(1)内に治まっていて 、カプセル(1)も使い捨てにした場合でも、針の復帰に使う弾性体(8)が採 血針(5)と一体で成形されているため、コストが大幅に増えるわけではなく、 しかも、操作がより簡便になる利点が得られる。 また、図5に示すように、弾性体(8)と針(4)はプレス成形により、一体 で製造することができ、これにより、さらにコストを下げることができる。In this embodiment, the capsule (1) is used repeatedly and only the blood sampling needle (5) is used as a disposable item. As a result, only cheap needles can be provided to the user, and the financial burden on the user can be reduced. As another example, even when the blood collecting needle (5) is settled in the capsule (1) from the beginning and the capsule (1) is also disposable, the elastic body (8) used for returning the needle is the blood collecting needle (5). Since it is molded integrally with 5), the cost does not increase significantly, and there is the advantage that the operation becomes simpler. Further, as shown in FIG. 5, the elastic body (8) and the needle (4) can be integrally manufactured by press molding, which can further reduce the cost.
【図1】採血針の全体図を示す。FIG. 1 shows an overall view of a blood collection needle.
【図2】カプセルの全体図を示す。FIG. 2 shows an overall view of a capsule.
【図3】採血針の動作図であり、aは穿刺前の針がセッ
トされた状態を示し、bは穿刺した状態を示す。FIG. 3 is an operation diagram of a blood collection needle, in which a shows a state in which a needle before puncturing is set, and b shows a state in which puncturing is performed.
【図4】針駆動装置の全体図を示す。FIG. 4 shows an overall view of a needle driving device.
【図5】針と弾性体を一体でプレス成形した場合の採血
針の全体図を示す。FIG. 5 is an overall view of a blood collection needle when a needle and an elastic body are integrally press-molded.
1;カプセル、3;支持部、4;針、5;採血針、6;
保護部、7;貫通穴、8;弾性体、10;テーパ部、1
3;押し部、14;針駆動装置、15;ハンマ1; Capsule, 3; Support part, 4; Needle, 5; Blood collection needle, 6;
Protective part, 7; Through hole, 8; Elastic body, 10; Tapered part, 1
3; push part, 14; needle drive device, 15; hammer
Claims (1)
(7)の一部をテーパ部(10)としたカプセル(1)
と、 針先端方向に突起した弾性体(8)を有する針(4)よ
り成る採血針。1. A capsule (1) having a through hole (7) in the center thereof, wherein a part of the through hole (7) is a tapered portion (10).
And a needle (4) having an elastic body (8) protruding toward the tip of the needle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8450292U JPH0638910U (en) | 1992-10-27 | 1992-10-27 | Blood collection needle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8450292U JPH0638910U (en) | 1992-10-27 | 1992-10-27 | Blood collection needle |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0638910U true JPH0638910U (en) | 1994-05-24 |
Family
ID=13832425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8450292U Pending JPH0638910U (en) | 1992-10-27 | 1992-10-27 | Blood collection needle |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0638910U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002100272A1 (en) * | 2001-06-11 | 2002-12-19 | Arkray, Inc. | Puncturing element integration mounting body, and method of producing the same |
WO2007018215A1 (en) * | 2005-08-10 | 2007-02-15 | Izumi-Cosmo Company, Limited | Needle insertion device, and lancet assembly and injector assembly that form the same |
JPWO2006028096A1 (en) * | 2004-09-06 | 2008-05-08 | テルモ株式会社 | Puncture tool |
WO2009148133A1 (en) * | 2008-06-05 | 2009-12-10 | 株式会社ライトニックス | Puncture needle cartridge and puncture device |
WO2010147148A1 (en) * | 2009-06-19 | 2010-12-23 | 泉株式会社 | Lancing mechanism |
-
1992
- 1992-10-27 JP JP8450292U patent/JPH0638910U/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002100272A1 (en) * | 2001-06-11 | 2002-12-19 | Arkray, Inc. | Puncturing element integration mounting body, and method of producing the same |
JPWO2006028096A1 (en) * | 2004-09-06 | 2008-05-08 | テルモ株式会社 | Puncture tool |
JP4644678B2 (en) * | 2004-09-06 | 2011-03-02 | テルモ株式会社 | Puncture tool |
WO2007018215A1 (en) * | 2005-08-10 | 2007-02-15 | Izumi-Cosmo Company, Limited | Needle insertion device, and lancet assembly and injector assembly that form the same |
WO2009148133A1 (en) * | 2008-06-05 | 2009-12-10 | 株式会社ライトニックス | Puncture needle cartridge and puncture device |
JPWO2009148133A1 (en) * | 2008-06-05 | 2011-11-04 | 株式会社ライトニックス | Puncture needle cartridge and puncture device |
JP5386673B2 (en) * | 2008-06-05 | 2014-01-15 | 株式会社ライトニックス | Puncture needle cartridge and puncture device |
US8679144B2 (en) | 2008-06-05 | 2014-03-25 | Lightnix, Inc. | Puncture needle cartridge and puncture device |
WO2010147148A1 (en) * | 2009-06-19 | 2010-12-23 | 泉株式会社 | Lancing mechanism |
JP2011000322A (en) * | 2009-06-19 | 2011-01-06 | Izumi-Cosmo Co Ltd | Lancet puncture mechanism |
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