JP4905759B2 - 骨治療用成形体及びその製造方法 - Google Patents
骨治療用成形体及びその製造方法 Download PDFInfo
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- JP4905759B2 JP4905759B2 JP2005152654A JP2005152654A JP4905759B2 JP 4905759 B2 JP4905759 B2 JP 4905759B2 JP 2005152654 A JP2005152654 A JP 2005152654A JP 2005152654 A JP2005152654 A JP 2005152654A JP 4905759 B2 JP4905759 B2 JP 4905759B2
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Description
実施例1:ゾーン21における予備成形体14の中心部及び外周部の温度が70℃となるように前段ヒータ10(熱風トンネル)で加熱。ゾーン22における予備成形体14の外周部の温度が90℃となるように後段ヒータ12(円筒型トンネルヒーター)で加熱。
比較例1:ゾーン21における予備成形体14の中心部及び外周部の温度が90℃となるように前段ヒータ10で加熱。後段ヒータ12は不使用。
比較例2:ゾーン21における予備成形体14の中心部及び外周部の温度が70℃となるように前段ヒータ10で加熱。後段ヒータ12は不使用。
ゾーン21の長さ:600mm
ゾーン22の長さ:70mm
延伸倍率:3倍
引き取りニップ部8の引き取り速度:225mm/min
14、14a、14b:予備成形体
16:延伸域
21:上流がわのゾーン(上流の域)
22:下流がわのゾーン(下流の域)
40:バッチ式延伸装置
50:静水圧押出し延伸装置
Claims (1)
- 生分解性ポリマーからなる予備成形体を延伸する成形体の製造方法であって、連続延伸における延伸域の上流の域で予備成形体の少なくとも中心部を前記生分解性ポリマーのガラス転移温度以上かつ該温度より20℃高い温度以下の一の温度に加熱し、該延伸域の該上流の域より下流の域で、該予備成形体の外周部を該一の温度より10℃高い温度以上の温度に加熱する骨治療用成形体の製造方法。
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JP2005152654A JP4905759B2 (ja) | 2005-05-25 | 2005-05-25 | 骨治療用成形体及びその製造方法 |
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JP2005152654A JP4905759B2 (ja) | 2005-05-25 | 2005-05-25 | 骨治療用成形体及びその製造方法 |
Related Child Applications (1)
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JP2011247013A Division JP2012081280A (ja) | 2011-11-11 | 2011-11-11 | 骨治療用成形体 |
Publications (2)
Publication Number | Publication Date |
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JP2006325862A JP2006325862A (ja) | 2006-12-07 |
JP4905759B2 true JP4905759B2 (ja) | 2012-03-28 |
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JP2005152654A Expired - Fee Related JP4905759B2 (ja) | 2005-05-25 | 2005-05-25 | 骨治療用成形体及びその製造方法 |
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JP (1) | JP4905759B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5188857B2 (ja) * | 2008-03-28 | 2013-04-24 | グンゼ株式会社 | 骨接合材料の製造方法 |
JP5452308B2 (ja) * | 2010-03-24 | 2014-03-26 | グンゼ株式会社 | 延伸高分子成形体製造方法及び装置 |
JP2012179072A (ja) * | 2011-02-28 | 2012-09-20 | Gunze Ltd | ねじ及びその製造装置 |
JP2012081280A (ja) * | 2011-11-11 | 2012-04-26 | Gunze Ltd | 骨治療用成形体 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2587664B2 (ja) * | 1987-12-28 | 1997-03-05 | タキロン株式会社 | 生体内分解吸収性の外科用材料 |
JP2619760B2 (ja) * | 1991-12-25 | 1997-06-11 | グンゼ株式会社 | 骨治療用具及びその製造法 |
EP0795336B1 (en) * | 1995-09-14 | 2003-06-11 | Takiron Co. Ltd. | Osteosynthetic material, composited implant material, and process for preparing the same |
JP3215047B2 (ja) * | 1995-12-25 | 2001-10-02 | タキロン株式会社 | 骨接合材の製造方法 |
US6719935B2 (en) * | 2001-01-05 | 2004-04-13 | Howmedica Osteonics Corp. | Process for forming bioabsorbable implants |
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2005
- 2005-05-25 JP JP2005152654A patent/JP4905759B2/ja not_active Expired - Fee Related
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JP2006325862A (ja) | 2006-12-07 |
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