JP2009512467A - ランセットとテスト室とを備える分析補助手段 - Google Patents
ランセットとテスト室とを備える分析補助手段 Download PDFInfo
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- JP2009512467A JP2009512467A JP2008535945A JP2008535945A JP2009512467A JP 2009512467 A JP2009512467 A JP 2009512467A JP 2008535945 A JP2008535945 A JP 2008535945A JP 2008535945 A JP2008535945 A JP 2008535945A JP 2009512467 A JP2009512467 A JP 2009512467A
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- Prior art keywords
- lancet
- protective cap
- needle
- tip
- analysis
- Prior art date
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
- A61B5/15188—Constructional features of reusable driving devices
- A61B5/15192—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing
- A61B5/15194—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing fully automatically retracted, i.e. the retraction does not require a deliberate action by the user, e.g. by terminating the contact with the patient's skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/157—Devices characterised by integrated means for measuring characteristics of blood
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0295—Strip shaped analyte sensors for apparatus classified in A61B5/145 or A61B5/157
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1486—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using enzyme electrodes, e.g. with immobilised oxidase
- A61B5/14865—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using enzyme electrodes, e.g. with immobilised oxidase invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
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Abstract
Description
1.このディスポは(血糖)測定器具の収容装置へ差し込まれ、それによって固定される。マガジン収納式のディスポのために、ディスポのマガジンが測定器具へ挿入される。
2.穿刺ユニットの駆動メカニズムに応力がかけられて、ディスポの駆動装置に結合される。
3.ディスポが測定器具に固定されたときに、ディスポの接点が測定器具にある電気供給部と接触する。
4.利用者が分析補助手段の開口部に指で、または測定が実施されるべき身体部位で接触する。
5.穿刺プロセスが作動すると針が前方に向かって動き、その際に、防護キャップを通って高い速度で開口部から外に出る。穿刺プロセス全体が数ミリ秒の単位で進行する。
6.皮膚への穿刺が完了した後、針が再び引き戻される。このとき、ランセットにある捕捉装置が防護キャップおよび場合によりその他のシール材を一緒に引き戻す。駆動装置が場合により再び結合解除される。
a)ランセットをカウンター電極として使用するときは、ランセットが、駆動ユニットに組み込まれていてよい追加のばね接点と接続される。
7.利用者は(引き続き)補助手段の開口部にその採取装置で接触しており、それにより、吸引開口部(たとえば毛管)が血液滴を採取することができる。
8.試料液移送のための手段の吸引作用により、ディスポの血液は、検証部材を備えたテスト部材があるテスト室内の個所に移送される。
9.検証部材では、検証されるべき血液成分と検証試薬との反応が行われ、この反応がたとえば測光式または電気化学式の検出によって検出される。
10.電子データから測定結果が算出され、利用者に視覚的または音響的に表示される。
11.マガジン収納式のディスポの場合、マガジンを1サイクルだけ先に進める。使い捨てディスポの場合、使用済みのディスポは廃棄されるか、または手で取り外される。
(1)ハウジング部品を射出成形する。
(2)ランセット針の埋設を含めて、本体(防護キャップ)を射出成形する(場合により「針頭部」すなわち穿刺器具により把持可能な肉厚部の生成も含む)。
(3)針先端部を軟質プラスチックで押出被覆する。
(4)たとえば電離性放射線によって「未加工ディスポ」を滅菌する。
この「未加工ディスポ」は、たとえば断裁や打抜きによって個別ディスポに分割される帯状製品として存在しているのが好ましい。
(5)ハウジングへ電極を塗布(スパッタ、プリントなど)または埋設(レーザ剥離、エッチング、射出成形など)する。
(6)検証部材を備えるテスト部材をハウジングの電極の上に入れる。
(7)テスト組立、すなわち「未加工ディスポ」をハウジングと結合。
(8)ハウジングの閉鎖と梱包。
ランセット針の先端部は、どの実施形態でも未使用状態のときに菌を通さないよう遮蔽されており、すなわち、ランセットの使用直前まで菌がランセット先端部へ入ることがない。適当な滅菌の後、ランセット先端部は長期間にわたって滅菌状態に保たれる。
ランセット先端部の滅菌状態は、たとえばランセットとテスト部材を結合するための以後の製造ステップでも保証される。このとき、デリケートな針先端部は機械的な影響(曲げなど)から守られている。
本発明によるディスポの利用者は、未使用のランセット針による意図しないけがから守られる。本来の使用者以外の人物についても同様であるのは言うまでもない。
テスト室はランセットを使用する前に密閉されている。
テスト室のすべての開口部は防護キャップだけによって、もしくはさらに別のシール材との組み合わせで閉止されている。
本発明によるディスポは従来式の製造方法で低コストに大量個数を製造することができる。
本発明によるディスポは大幅に小型化されており、したがって、コンパクトな自動式のシステムで採用するのに適している。
分析テスト部材として、電気化学式または光学式のセンサの公知のバリエーションを採用することができる。
電気化学測定の場合、ランセットを(それが導電性材料で製作されていれば)液位計および/またはカウンター電極として利用することができる。
Claims (12)
- 分析補助手段において、
i)ランセットを含んでおり、該ランセットは、
ランセット針を含んでおり、該ランセット針は先端部と、
前記ランセット針を少なくとも前記先端部の領域で全面的に取り囲む防護キャップとを備えており、
前記ランセット針は前記防護キャップに対して相対的に変位可能であり、前記ランセットは、前記ランセットが引き戻されたときに前記防護キャップを一緒に引き戻すように前記防護キャップと協働作用し、
ii)試薬系を含む室を備えたテスト部材を含んでおり、前記室は前記防護キャップで閉止された開口部を有している分析補助手段。 - 前記防護キャップの材料はエラストマーであることを特徴とする請求項1記載の分析補助手段。
- 前記防護キャップは前記針先端部を滅菌状態に取り囲むことを特徴とする請求項1または2記載の分析補助手段。
- 前記分析補助手段は試料液移送をするための手段を有していることを特徴とする請求項1〜3のいずれか1項に記載の分析補助手段。
- 試料液移送をするための前記手段は毛管間隙、毛管通路、吸引能力のある材料からなる芯材、または吸引能力のある材料からなるウェブであることを特徴とする請求項4記載の分析補助手段。
- 前記補助手段は、前記ランセットおよび前記補助手段に対して相対的に変位可能なシール材によって密閉された第2の開口部を有していることを特徴とする請求項1〜5のいずれか1項に記載の分析補助手段。
- 前記防護キャップは前記両方の開口部を密閉することを特徴とする請求項6記載の分析補助手段。
- 前記ランセットには、前記ランセットが引き戻されるときに前記ランセットにより突き破られた前記防護キャップを一緒に引き戻す捕捉装置または表面構造があることを特徴とする請求項1〜7のいずれか1項に記載の分析補助手段。
- 前記ランセットが引き戻されるときに引き戻された前記防護キャップは、前記ランセットに対して相対的に変位可能な第2のシール材を一緒に引き戻し、換気口が開口されることを特徴とする請求項8記載の分析補助手段。
- 前記ランセットは試料液位測定をするための手段を有しており、および/またはカウンター電極としての役目を果たすことを特徴とする請求項1〜9のいずれか1項に記載の分析補助手段。
- 分析補助手段を製造する方法において、
ランセット針の先端部が防護キャップの中にあるランセットを準備するステップと、
前記ランセットが引き戻されるときに前記防護キャップを一緒に引き戻す捕捉装置を前記ランセットに準備するステップと、
試薬系と室の開口部とを含む、室を備えたテスト部材を準備するステップと、
前記ランセットを滅菌するステップと、
前記ランセットを前記室へ挿入し、前記防護キャップが前記室の前記開口部を閉止するようにするステップとを有している方法。 - 分析補助手段を備える分析システムにおいて、
ランセットを含んでおり、該ランセットは、
ランセット針を含んでおり、該ランセット針は先端部と、
前記ランセット針を少なくとも前記先端部の領域で全面的に取り囲む防護キャップとを備えており、
前記ランセットが引き戻されるときに前記防護キャップを一緒に引き戻す、ランセットにある捕捉装置または表面構造と、
試薬変化が起きたときに生じる信号を検知する検出ユニットと、
前記信号に基づいて分析物の濃度を判定する評価装置とを含んでいる分析システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05022830A EP1776925A1 (de) | 2005-10-20 | 2005-10-20 | Analytisches Hilfsmittel mit einer Lanzette und einer Testkammer |
PCT/EP2006/009944 WO2007045411A1 (de) | 2005-10-20 | 2006-10-14 | Analytisches hilfsmittel mit sterilschutz für die lanzette und testkammer |
Publications (2)
Publication Number | Publication Date |
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JP2009512467A true JP2009512467A (ja) | 2009-03-26 |
JP2009512467A5 JP2009512467A5 (ja) | 2009-09-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008535945A Pending JP2009512467A (ja) | 2005-10-20 | 2006-10-14 | ランセットとテスト室とを備える分析補助手段 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20080243032A1 (ja) |
EP (2) | EP1776925A1 (ja) |
JP (1) | JP2009512467A (ja) |
CN (1) | CN101291621B (ja) |
AT (1) | ATE474502T1 (ja) |
DE (1) | DE502006007496D1 (ja) |
HK (1) | HK1125019A1 (ja) |
WO (1) | WO2007045411A1 (ja) |
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WO2016187780A1 (en) * | 2015-05-25 | 2016-12-01 | Coyote Bioscience Yixing Co., Ltd. | Device and method for sample collection |
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HK1125019A1 (en) | 2009-07-31 |
DE502006007496D1 (de) | 2010-09-02 |
EP1940289A1 (de) | 2008-07-09 |
US20080243032A1 (en) | 2008-10-02 |
ATE474502T1 (de) | 2010-08-15 |
EP1940289B1 (de) | 2010-07-21 |
EP1776925A1 (de) | 2007-04-25 |
WO2007045411A1 (de) | 2007-04-26 |
CN101291621A (zh) | 2008-10-22 |
CN101291621B (zh) | 2010-09-01 |
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