发明申请
- 专利标题： SEPARATE TYPE MEDICAL MATERIAL
- 专利标题（中）： 分离型医用材料
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申请号： US12027365申请日： 2008-02-07
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公开(公告)号： US20080132585A1公开(公告)日： 2008-06-05
- 发明人: Yoshiaki Miyata , Yasukazu Himeda , Masamichi Hashimoto , Toshihiko Umeda , Teruzou Miyoshi
- 申请人： Yoshiaki Miyata , Yasukazu Himeda , Masamichi Hashimoto , Toshihiko Umeda , Teruzou Miyoshi
- 申请人地址： JP Chuo-ku
- 专利权人： Denki Kagaku Kogyo Kabushiki Kaisha
- 当前专利权人： Denki Kagaku Kogyo Kabushiki Kaisha
- 当前专利权人地址： JP Chuo-ku
- 主分类号： A61K47/36
- IPC分类号： A61K47/36 ; A61P19/02
摘要：
A separate type medical material containing a hyaluronic acid ester derivative, which satisfies the storage stability of a hyaluronic acid ester derivative and avoidance of irritation and pain at the time of injecting a therapeutic agent for joints, is provided.A separate type medical material comprising liquid (A) which is an aqueous solution containing a hyaluronic acid ester derivative and buffered to a pH of from 4.5 to 6.5, and liquid (B) which is an aqueous solution having such a buffering power that when it is mixed with the liquid (A), the mixed liquid has a pH within a range of from 6.8 to 7.8, kept separately from each other.
公开/授权文献
- US07807657B2 Separate type medical material 公开/授权日：2010-10-05
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