KR20200074149A - 정형 외과용 생체흡수성 임플란트들 - Google Patents
정형 외과용 생체흡수성 임플란트들 Download PDFInfo
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Abstract
Description
도 2 는 필라멘트 프리폼의 예시적인 예의 프린팅을 도시한다.
도 3 은 새롭게 압축 성형된 임플란트를 도시한다.
도 4 는 압축 성형된 요골 원위부 (distal radius) 플레이트를 도시한다.
도 5 는 자동 제조 모듈의 개략도를 도시한다.
도 6 은 세개의 임플란트 샘플들의 기계적 테스트들의 결과들을 도시한다.
도 7, 도 8 및 도 9 는 요골 원위부 플레이트에서 섬유 배향의 uCT 뷰를 도시한다.
Claims (21)
- 복수의 연속적인 연속 층들 (continuous successive layer) 에서 자유롭게 사전결정된 섬유 배향으로 연속적인 보강된 복합 필라멘트를 포함하는 정형 외과용 임플란트로서,
상기 연속적인 보강된 복합 필라멘트는 생체흡수성 폴리머 매트릭스 및 연속적인 생체흡수성 보강 섬유 또는 섬유 번들을 포함하고,
이로써 연속 층들의 상기 연속적인 생체흡수성 보강 섬유 또는 섬유 번들은 적어도 부분적으로 서로 섞이고 및/또는 서로 엮여서 3차원적으로 서로 맞물리는 연속적인 섬유 구조를 형성하는, 정형 외과용 임플란트. - 제 1 항에 있어서,
상기 임플란트는 하나 이상의 구멍(들) 을 포함하고, 이로써 상기 구멍(들) 은 상기 연속적인 보강된 복합 필라멘트에 의해 적어도 한번 둘러싸이는, 정형 외과용 임플란트. - 제 1 항 또는 제 2 항에 있어서,
상기 연속적인 생체흡수성 보강 섬유 또는 섬유 번들은 연속적인 생체흡수성 유리 섬유 또는 섬유 번들인, 정형 외과용 임플란트. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 정형 외과용 임플란트는 상기 보강된 복합 필라멘트의 2 내지 200, 바람직하게 2 내지 20, 보다 바람직하게 2 내지 10, 가장 바람직하게 2 내지 6 층들을 포함하는, 정형 외과용 임플란트. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
연속적인 보강된 복합 필라멘트의 평균 필라멘트 직경은 0.05 mm 내지 20 mm, 바람직하게 0.5 mm 내지 3.0 mm, 보다 바람직하게 0.8 mm 내지 2.0 mm 인, 정형 외과용 임플란트. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
단일의 연속적인 보강 섬유의 평균 섬유 직경은 1 내지 35 ㎛, 바람직하게 5 내지 30 ㎛, 보다 바람직하게 10 내지 15 ㎛ 인, 정형 외과용 임플란트. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 연속적인 생체흡수성 유리 섬유는 멜트 유도된 생체흡수성 유리 섬유인, 정형 외과용 임플란트. - 제 7 항에 있어서,
상기 연속적인 생체흡수성 보강 섬유는 멜트 유도된 생체흡수성 유리 섬유이고 다음의 중량% 범위들 (상기 유리 섬유 조성의 총 중량에 걸쳐 퍼센트로서) 의 조성을 갖는, 정형 외과용 임플란트.
SiO2 40 내지 90 wt%,
Na2O 5 내지 30 wt%,
K2O 0 내지 20 wt %,
CaO 5 내지 30 wt%,
MgO 0 내지 10 wt%,
P2O5 0 내지 10 mol%,
B2O3 0 내지 15 wt%,
Al2O3 0 내지 5 wt%,
CaF3 0 내지 25 wt%,
SrO 0 내지 10 wt%, 및
Li2O 0 내지 1 wt%. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 생체흡수성 폴리머 매트릭스는 생체흡수성 폴리에스테르들, PLLA (폴리-L-락티드), PDLLA (폴리-DL-락티드), PLDLA, PGA (폴리-글리콜산), PLGA (폴리-락티드-글리콜산), PCL (폴리카프로락톤), PLLA-PCL 및 그 조합들로 이루어지는 그룹으로부터 선택되는, 정형 외과용 임플란트. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 연속적인 보강된 복합 필라멘트는 필라멘트 프리폼을 형성하도록 연속적인 연속 층들에서 사전결정된 섬유 배향으로 3차원적으로 제어되는 섬유 스트랜드 피딩 기계에 의해 디포짓되고 상기 상기 프리폼은 상기 정형 외과용 임플란트의 최종 형상을 형성하도록 몰드에서 성형되는, 정형 외과용 임플란트. - 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,
상기 필라멘트 프리폼은 상기 정형 외과용 임플란트의 최종 형상을 형성하도록 몰드에서 압축 성형되는, 정형 외과용 임플란트. - 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,
상기 필라멘트 프리폼은 상기 정형 외과용 임플란트의 최종 형상을 형성하도록 몰드에서 사출 성형되는, 정형 외과용 임플란트. - 제 1 항 내지 제 12 항 중 어느 한 항에 있어서,
상기 정형 외과용 임플란트는 상기 보강된 복합 필라멘트로 이루어지는, 정형 외과용 임플란트. - 정형 외과용 임플란트를 제조하기 위한 방법으로서,
(a) 필라멘트 프리폼을 형성하도록 연속적인 연속 층들에서 자유롭게 사전결정된 섬유 배향으로 3차원적으로 제어되는 섬유 배치 디바이스에 의해 생체흡수성 폴리머 매트릭스 및 연속적인 생체흡수성 섬유 또는 섬유 번들을 포함하는 연속적인 보강된 복합 필라멘트를 디포짓하는 단계, 및
(b) 상기 정형 외과용 임플란트의 최종 형상을 갖는 성형된 제품을 얻도록 몰드에서 상기 필라멘트 프리폼을 성형하는 단계를 포함하는, 정형 외과용 임플란트를 제조하기 위한 방법. - 제 14 항에 있어서,
상기 방법은 상기 필라멘트 프리폼의 상기 자유롭게 사전결정된 섬유 배향을 설계하는 단계를 추가로 포함하는, 정형 외과용 임플란트를 제조하기 위한 방법. - 제 14 항 또는 제 15 항에 있어서,
상기 정형 외과용 임플란트를 얻도록 상기 성형된 제품을 표면 마무리하는 단계를 추가로 포함하는, 정형 외과용 임플란트를 제조하기 위한 방법. - 제 14 항 내지 제 16 항 중 어느 한 항에 있어서,
연속적인 상기 필라멘트 프리폼은 상기 정형 외과용 임플란트의 최종 형상을 갖는 성형된 제품을 얻도록 몰드에서 압축 성형되는, 정형 외과용 임플란트를 제조하기 위한 방법. - 제 14 항 내지 제 17 항 중 어느 한 항에 있어서,
상기 연속적인 보강된 복합 필라멘트 구조는 소프트웨어에 의한 프리 드로잉 (free drawing) 을 사용하여 층마다 규정되는, 정형 외과용 임플란트를 제조하기 위한 방법. - 제 14 항 내지 제 17 항 중 어느 한 항에 있어서,
상기 연속적인 보강된 복합 필라멘트 구조는 소프트웨어에 의한 프리 드로잉 및 컴퓨터 연산의 조합을 사용하여 층마다 규정되는, 정형 외과용 임플란트를 제조하기 위한 방법. - 제 14 항 내지 제 17 항 중 어느 한 항에 있어서,
상기 연속적인 보강된 복합 필라멘트 구조는 소프트웨어에 의한 컴퓨터 연산을 사용하여 층마다 규정되는, 정형 외과용 임플란트를 제조하기 위한 방법. - 제 1 항 내지 제 13 항 중 어느 한 항의 정형 외과용 임플란트를 손상된 뼈에 도입하는 단계를 포함하는 손상된 뼈의 치료 방법.
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| EP17196561.9 | 2017-10-16 | ||
| EP17196561.9A EP3470097B1 (en) | 2017-10-16 | 2017-10-16 | Orthopedic bioabsorbable implants |
| PCT/EP2018/078007 WO2019076788A1 (en) | 2017-10-16 | 2018-10-15 | BIOABSORBABLE ORTHOPEDIC IMPLANTS |
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| CN113171224B (zh) * | 2021-04-08 | 2022-06-28 | 浙江大学 | 一种促进骨损伤修复的植入绷带及制备方法 |
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| Publication number | Publication date |
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| RU2749635C1 (ru) | 2021-06-16 |
| ES2871104T3 (es) | 2021-10-28 |
| JP2020536719A (ja) | 2020-12-17 |
| CN111447957B (zh) | 2022-07-08 |
| WO2019076788A1 (en) | 2019-04-25 |
| IL273957A (en) | 2020-05-31 |
| IL273957B (en) | 2022-09-01 |
| CN111447957A (zh) | 2020-07-24 |
| BR112020007397A2 (pt) | 2020-09-29 |
| JP7021359B2 (ja) | 2022-02-16 |
| EP3470097B1 (en) | 2021-03-31 |
| EP3470097A1 (en) | 2019-04-17 |
| US20200323573A1 (en) | 2020-10-15 |
| US11813007B2 (en) | 2023-11-14 |
| KR102485794B1 (ko) | 2023-01-05 |
| BR112020007397B1 (pt) | 2023-10-31 |
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