JP2023030108A - 低い開放力および持続力を有するシリンジアセンブリのための漏れのないストッパ - Google Patents
低い開放力および持続力を有するシリンジアセンブリのための漏れのないストッパ Download PDFInfo
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Abstract
Description
Claims (29)
- シリンジアセンブリのためのストッパであって、前記ストッパはエラストマー体を含み、前記エラストマー体の圧縮永久ひずみは、25%の圧縮で70℃、22時間保持したとき、50%以下であり、前記エラストマー体の硬度は、40~70ショアAであり、前記エラストマー体の205℃における粘性が、せん断速度1,000秒-1で115Pa・s以上、せん断速度10,000秒-1で25Pa・s以上、およびせん断速度50,000秒-1で5Pa・s以上であり、前記エラストマー体はオレフィンブロック共重合体を含む、ストッパ。
- 前記エラストマー体の圧縮永久ひずみが、25%の圧縮で70℃、22時間保持したとき、45%以下である、請求項1に記載のストッパ。
- 前記エラストマー体の圧縮永久ひずみが、25%の圧縮で70℃、22時間保持したとき、35%~45%である、請求項1に記載のストッパ。
- 前記エラストマー体の硬度が、51~61ショアAである、請求項1に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度1,000秒-1で115~210Pa・sである、請求項1に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度1,000秒-1で165Pa・sである、請求項1に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度10,000秒-1で25~35Pa・sである、請求項1に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度10,000秒-1で30Pa・sである請求項1に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度50,000秒-1で5~9Pa・sである、請求項1に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度50,000秒-1で7Pa・sである、請求項1に記載のストッパ。
- シリンジアセンブリのためのストッパであって、前記ストッパはエラストマー体を含み、前記エラストマー体の圧縮永久ひずみは、25%の圧縮で70℃、22時間保持したとき、45%以下であり、前記エラストマー体の硬度は、40~70ショアAであり、前記エラストマー体の205℃における粘性が、せん断速度1,000秒-1で115Pa・s以上、せん断速度10,000秒-1で25Pa・s以上、およびせん断速度50,000秒-1で5Pa・s以上である、ストッパ。
- 前記エラストマー体の圧縮永久ひずみが、25%の圧縮で70℃、22時間保持したとき、35%~45%である、請求項11に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度1,000秒-1で115~210Pa・sである、請求項11に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度1,000秒-1で165Pa・sである、請求項11に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度10,000秒-1で25~35Pa・sである、請求項11に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度10,000秒-1で30Pa・sである、請求項11に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度50,000秒-1で5~9Pa・sである、請求項11に記載のストッパ。
- 前記エラストマー体の粘性が、せん断速度50,000秒-1で7Pa・sである、請求項11に記載のストッパ。
- 近位端、遠位端、およびその間に延びる側壁を有し、内部を有するチャンバを画定するシリンジバレルと、
前記シリンジバレルの内部に配置されたストッパであって、前記ストッパはエラストマー体を含み、前記エラストマー体の圧縮永久ひずみは、25%の圧縮で70℃、22時間保持したとき、50%以下であり、前記エラストマー体の205℃における粘性が、せん断速度1,000秒-1で115Pa・s以上、せん断速度10,000秒-1で25Pa・s以上、およびせん断速度50,000秒-1で5Pa・s以上であり、前記エラストマー体はオレフィンブロック共重合体を含む、ストッパと、
ストッパの一部分と係合可能な第1の端部を有するプランジャーロッドと、
を備えるシリンジアセンブリ。 - 前記エラストマー体の圧縮永久ひずみが、25%の圧縮で70℃、22時間保持したとき、45%以下である、請求項19に記載のシリンジアセンブリ。
- 前記エラストマー体の圧縮永久ひずみが、25%の圧縮で70℃、22時間保持したとき、35~45%である、請求項19に記載のシリンジアセンブリ。
- 前記エラストマー体の硬度が、51~61ショアAである、請求項19に記載のシリンジアセンブリ。
- 前記エラストマー体の粘性が、せん断速度1,000秒-1で115~210Pa・sである、請求項19に記載のシリンジアセンブリ。
- 前記エラストマー体の粘性が、せん断速度1,000秒-1で165Pa・sである、請求項19に記載のシリンジアセンブリ。
- 前記エラストマー体の粘性が、せん断速度10,000秒-1で25~35Pa・sである、請求項19に記載のシリンジアセンブリ。
- 前記エラストマー体の粘性が、せん断速度10,000秒-1で30Pa・sである、請求項19に記載のシリンジアセンブリ。
- 前記エラストマー体の粘性が、せん断速度50,000秒-1で5~9Pa・sである、請求項19に記載のシリンジアセンブリ。
- 前記エラストマー体の粘性が、せん断速度50,000秒-1で7Pa・sである、請求項19に記載のシリンジアセンブリ。
- シリンジアセンブリのためのストッパであって、
前記ストッパは、上部部分、下部部分、および上部部分と下部部分との間に延びる中間部分を含み、上部部分、下部部分、および中間部分が内部キャビティを画定し、少なくとも1つのアーム要素がストッパの上側部分の内部キャビティ内に設けられており、
前記ストッパはエラストマー体をさらに含み、エラストマー体の圧縮永久ひずみは、25%の圧縮で70℃、22時間保持したとき、45%以下であり、前記エラストマー体の205℃における粘性が、せん断速度1,000秒-1で115Pa・s以上、せん断速度10,000秒-1で25Pa・s以上、およびせん断速度50,000秒-1で5Pa・s以上であり、前記エラストマー体が少なくともオレフィンブロック共重合体を含む、ストッパ。
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