JP5030963B2 - 使い捨ての針及びハブの組立体 - Google Patents
使い捨ての針及びハブの組立体 Download PDFInfo
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
ymax=(P×L3)/(3×E×I) (1)
ここで、yはカニューレ/ビームの先端撓み、Pは先端に加えられる横方向の力、Lは剛体と見做される接着剤から突出している「露出された」針長さ、Eは曲げ弾性係数、Iは慣性モーメントであり、そして、P、E、及びIは一定に保たれていると仮定すると、長さLを増大させる能力は最大撓みyにおいて指数関数的に改善され、より柔軟で、かくてより寛大なカニューレが、よじれ及び/又は破損を減らすことを可能にする。
Claims (16)
- 貯留部から物質を注射する際に用いられるための注射針であって、
末端側に画成された皮膚係合面を有する第1の突出部を備える末端部と、
前記ハブの前記末端部に画成されたチャンネルを有し、且つ該ハブを通って前記皮膚係合面から基端側に離れて延在している前記ハブ内の軸方向の空所と、
前記第1の突出部を実質的に取り囲み、前記ハブに配置された末端面を有する第2の突出部であって、該突出部の末端面が、皮膚係合面と同一平面上に、または、末端側に位置されている第2の突出部と、
尖らされた末端部および基端部を有し、前記基端部が前記貯留部と流動可能に連通され且つ前記末端部が前記皮膚係合面から所定の距離延在している状態で、前記チャンネルに固定されている針カニューレであって、前記皮膚係合面が前記針カニューレの前記末端部の患者の皮膚の所定の層への刺し込みを制限している針カニューレと、
実質的に凹状の基端部を有する第3の突出部であって、これから前記針カニューレの基端部が出現している第3の突出部と、
を有しているハブを備えることを特徴とする注射針。 - 前記第1の突出部または前記第2の突出部に摺動可能に配置されている針シールドをさらに備えることを特徴とする請求項1に記載の注射針。
- 前記第1の突出部に摺動可能に配置されている針シールドをさらに備えることを特徴とする請求項1に記載の注射針。
- 医薬品配送器具を受け入れるための開口基端部を有するハブをさらに備えることを特徴とする請求項1に記載の注射針。
- 皮膚係合面が、第1の突出部の狭間付きのセクションの末端側の面により画成されて、そして、前記第1の突出部は当該狭間付きのセクションの間に形成された少なくとも1つの放射方向の空所を有していることを特徴とする請求項1に記載の注射針。
- 当該第1の突出部の狭間付きのセクションは刺し込み指示器を形成し、それによって、針が患者の皮膚内に挿入され、狭間付きのセクションが残存可視マークを皮膚に残した後に、完全な刺し込みが起こったことを示すことを特徴とする請求項5に記載の注射針。
- 針カニューレは、前記医薬品配送器具内のカートリッジへの挿入のために尖らされた基端部を有していることを特徴とする請求項4に記載の注射針。
- 当該第3の突出部は当該ハブの前記開口基端部内に配置されていることを特徴とする請求項7に記載の注射針。
- 貯留部から物質を注射する際に用いられるための注射針であって、
狭間付の第1の突出部を備える末端部であって、皮膚係合面が狭間付のセクションの末端面によって画成され、且つ前記第1の突出部が少なくとも1つの放射方向の空所を有している末端部と、
前記ハブの前記末端部に画成されたチャンネルを有し、且つ該ハブを通って前記皮膚係合面から基端側に離れて延在している前記ハブ内の軸方向の空所であって、前記少なくとも1つの放射方向の空所が当該チャンネルに流動可能に連通され、且つ前記チャンネルが所定の容積を有している前記ハブ内の軸方向の空所と、
尖らされた末端部および基端部を有し、前記基端部が前記貯留部と流動可能に連通され且つ前記末端部が前記皮膚係合面から所定の距離延在している状態で、前記チャンネルに位置されている針カニューレであって、前記皮膚係合面が前記針カニューレの前記末端部の患者の皮膚の所定の層への刺し込みを制限している針カニューレと、
当該チャンネルの容積を充満することにより当該針カニューレを当該チャンネルに固定する接着剤であって、当該接着剤の容量は、過剰な量の接着剤が当該少なくとも1つの放射方向の空所を介して当該チャンネルから出て、当該皮膚係合面を実質的に接着剤から自由に保つように、当該チャンネルの容積よりも大である接着剤と、
を有しているハブを備えることを特徴とする注射針。 - 当該第1の突出部の狭間付きのセクションは刺し込み指示器を形成し、それによって、針が患者の皮膚内に挿入され、狭間付きのセクションが残存可視マークを皮膚に残した後に、完全な刺し込みが起こったことを示すことを特徴とする請求項9に記載の注射針。
- 前記第1の突出部を実質的に取り囲み、前記ハブに配置された末端面を有する第2の突出部であって、該突出部の末端面が、皮膚係合面と同一平面上に、または、末端側に位置されている第2の突出部をさらに備えることを特徴とする請求項9に記載の注射針。
- 前記第1の突出部または前記第2の突出部に摺動可能に配置されている針シールドをさらに備えることを特徴とする請求項11に記載の注射針。
- 医薬品配送器具を受け入れるための開口基端部を有するハブをさらに備えることを特徴とする請求項12に記載の注射針。
- 針カニューレは、カートリッジへの挿入のために尖らされた基端部を有していることを特徴とする請求項13に記載の注射針。
- 当該ハブは、実質的に凹状の基端部を有する第3の突出部を有し、当該第3の突出部は当該ハブの前記開口基端部内に配置され、これから当該針カニューレの尖らされた基端部が出現していることを特徴とする請求項14に記載の注射針。
- 注射針の生産方法であって、
狭間付の第1の突出部を備える末端部であって、皮膚係合面が狭間付の第1の突出部の末端面によって画成され、且つ前記狭間付の第1の突出部が少なくとも1つの放射方向の空所を有している末端部と、前記ハブの前記末端部に画成され、且つ該ハブを通って前記皮膚係合面から基端側に離れて延在しているチャンネルであって、前記少なくとも1つの放射方向の空所が前記チャンネルに流動可能に連通され、且つ前記チャンネルが所定の容積を有しているチャンネルと、を有しているハブを用意し、
尖らされた末端部および基端部を有している針カニューレを前記チャンネル内に挿入し、
前記針カニューレを、前記針カニューレの前記末端部が前記皮膚係合面から所定の距離延在するように、位置決めし、
当該チャンネルの容積を充満することにより当該針カニューレを当該チャンネルに固定する接着剤であって、当該チャンネルの容積よりも大である容量の接着剤を施し、
過剰な量の接着剤が当該少なくとも1つの放射方向の空所を介して当該チャンネルから出ることを許容して、これにより、当該皮膚係合面を実質的に接着剤から自由に保つようにし、そして
当該接着剤を硬化させること、
を備えることを特徴とする注射針の生産方法。
Applications Claiming Priority (5)
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US72563705P | 2005-10-13 | 2005-10-13 | |
US60/725,637 | 2005-10-13 | ||
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JP2009511192A JP2009511192A (ja) | 2009-03-19 |
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EP (1) | EP1933906B1 (ja) |
JP (1) | JP5030963B2 (ja) |
CA (1) | CA2625041C (ja) |
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