KR101921555B1 - 골 보충재 함유 부직포 - Google Patents
골 보충재 함유 부직포 Download PDFInfo
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- KR101921555B1 KR101921555B1 KR1020137025388A KR20137025388A KR101921555B1 KR 101921555 B1 KR101921555 B1 KR 101921555B1 KR 1020137025388 A KR1020137025388 A KR 1020137025388A KR 20137025388 A KR20137025388 A KR 20137025388A KR 101921555 B1 KR101921555 B1 KR 101921555B1
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- nonwoven fabric
- bone
- bone filler
- woven
- sample
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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Abstract
Description
도 2는 본 발명의 부직포를 제조할 때에 이용하는 어스 전극의 일례를 나타낸다.
도 3은 본 발명의 부직포(및 일렉트로스피닝법에 의해 제조한 통상의 부직포)의 단면도를 나타낸다.
도 4는 본 발명의 부직포의 단면도(주사형 전자 현미경에 의한)를 나타낸다.
도 5는 본 발명의 부직포의 예인 샘플 1∼3의 세포 증식능을 검토한 결과를 나타낸다.
도 6a는 블록상 골 보충재(오스페리온(OSferion)의 블록)를 쥐에 이식했을 때의 블록상 골 보충재로의 결합 조직 침윤의 정도를 나타내는 조직 절편 관찰 화상이다. 외측의 파선이 이식한 골 보충재의 윤곽을 나타내고, 내측의 점선이 해당 골 보충재에 침윤한 조직의 선단을 나타낸다.
도 6b는 본 발명의 부직포를 쥐에 이식했을 때의 부직포로의 결합 조직 침윤의 정도를 나타내는 조직 절편 관찰 화상이다. 외측의 파선이 이식한 부직포의 윤곽을 나타내고, 내측의 점선이 해당 부직포에 침윤한 조직의 선단을 나타낸다.
도 7은 각 부직포를 발판으로 하여 세포를 배양한 후, HE염색하여 얻은 화상 및 해당 화상으로부터 측정한 세포 침윤 거리를 나타낸다.
도 8은 각 부직포의 공극도 측정 결과 및 각 부직포를 발판으로 하여 세포를 배양해서 HE염색하여 얻은 화상을 나타낸다.
도 9는 부직포의 섬유끼리의 사이의 거리(섬유 간 거리)의 측정 방법의 개요를 나타낸다.
도 10은 각 부직포의 공극도 측정 결과 및 각 부직포를 발판으로 하여 세포를 배양해서 HE염색하여 얻은 화상 및 해당 화상으로부터 측정한 세포 침윤 거리를 나타낸다.
제조한 부직포 | 분무량 | 분무 시간 | 1회의 골 보충재 첨가량 | 골 보충재 첨가 간격 | 골 보충재 전체 첨가량 |
골 보충재 없는 부직포(샘플 0) | 0.6μL/sec | 120min | ― | ― | ― |
입체 부직포(샘플 1) | 0.6μL/sec | 165min | 0.2g | 15min | 2g |
입체 부직포(샘플 2) | 1.2μL/sec | 165min | 0.2g | 15min | 2g |
입체 부직포(샘플 3) | 1.2μL/sec | 315min | 0.1g | 15min | 2g |
샘플 | 골 보충재 비율 | 두께 | 섬유 지름 | 부피 밀도 |
골 보충재 없는 부직포(샘플 0) | 0% | 0.163㎜±0.044 | 2.685㎛±0.322 | ― |
입체 부직포(샘플 1) | 97.4% | 2.415㎜±0.430 | 3.435㎛±0.741 | 0.179g/㎤ |
입체 부직포(샘플 2) | 91.6% | 2.733㎜±0.427 | 3.170㎛±0.997 | 0.194g/㎤ |
입체 부직포(샘플 3) | 89.0% | 2.500㎜±0.529 | 2.630㎛±0.473 | 0.216g/㎤ |
샘플 | 골 보충재 비율 (%) |
두께 (㎜) |
섬유 지름 (㎛) |
부피 밀도 (g/㎤) |
골 보충재 없음(부직포 A) | 0 | 0.24±0.02 | 2.52±0.20 | 0.273 |
입체 부직포 B | 75.0 | 1.70±0.18 | 1.99±0.26 | 0.379 |
입체 부직포 C | 92.43 | 2.96±0.17 | 2.43±0.23 | 0.214 |
입체 부직포 D | 94.0 | 3.59±0.39 | 2.20±0.33 | 0.152 |
입체 부직포 E | 92.1 | 4.68±1.09 | 2.08±0.15 | 0.145 |
입체 부직포 F | 90.9 | 1.16±1.34 | 2.25±0.31 | 0.595 |
샘플 | 부직포의 공극률(%) |
부직포의 섬유 부분의 공극률(%) |
골 보충재 없음 (부직포 A) |
78.3 | 78.3 |
입체 부직포 B | 83.5 | 91.7 |
입체 부직포 C | 92.5 | 98.6 |
입체 부직포 D | 94.8 | 99.2 |
입체 부직포 E | 94.9 | 99.1 |
입체 부직포 F | 78.6 | 81.6 |
샘플 | 골 보충재 비율 (%) |
두께 (㎜) |
섬유 지름 (㎛) |
부피 밀도 (g/㎤) |
입체 부직포 α | 95.0 | 3.91 | 0.35±0.17 | 0.156 |
샘플 | 부직포의 공극률(%) |
부직포의 섬유 부분의 공극률(%) |
입체 부직포 α | 94.7 | 99.3 |
샘플 | 골 보충재 비율 (%) |
두께 (㎜) |
섬유 지름 (㎛) |
부피 밀도 (g/㎤) |
입체 부직포 β | 89.0±1.1 | 6. 34±0.18 | 2.11±0.24 | 0.155 |
샘플 | 부직포의 공극률(%) |
부직포의 섬유 부분의 공극률(%) |
입체 부직포 β | 94.3 | 98.6 |
제작한 부직포 | 분무량 (mL/hour) |
분무 시간 (min) |
부직포(ⅰ) | 1.0 | 60 |
부직포(ⅱ) | 180 | |
부직포(ⅲ) |
Claims (12)
- 골 보충재를 함유하는 부직포로서,
골 보충재는 부직포를 구성하는 섬유 간에 포함되고,
부직포를 구성하는 섬유는 생체 적합성 섬유이고,
골 보충재의 입경이 50∼5000㎛이고,
부직포의 공극률이 78.5∼97%인
부직포.
- 제1항에 있어서,
생체 적합성 섬유가 생체 적합성 폴리머를 포함하여 이루어지는 섬유인
부직포.
- 제2항에 있어서,
생체 적합성 폴리머가 폴리유산, 폴리글리콜산, 폴리유산―폴리글리콜산 공중합체, 폴리카프로락톤, 키틴, 콜라겐, 폴리리신, 폴리아르기닌, 히알루론산, 세리신, 셀룰로오스, 덱스트란 및 풀루란으로 이루어지는 군으로부터 선택되는 적어도 1종인
부직포.
- 제1항 또는 제2항에 있어서,
골 보충재가 β-TCP(β―인산3칼슘), α-TCP(α―인산3칼슘), HA(하이드록시아파타이트), DCPD(제2인산칼슘), OCP(옥타칼슘포스페이트), 4CP(테트라칼슘포스페이트), 알루미나, 지르코니아, 칼슘알루미네이트(CaO-Al2O3), 알루미노실리케이트(Na2O-Al2O3-SiO2), 생체 활성화 유리, 석영 및 탄산칼슘으로 이루어지는 군으로부터 선택되는 적어도 1종인
부직포.
- 제1항 또는 제2항에 있어서,
부직포의 섬유 부분의 공극률이 80∼99.99%인
부직포.
- 제1항 또는 제2항에 있어서,
부직포의 부피 밀도(g/㎤)가 0.1∼0.6인
부직포.
- 제1항 또는 제2항에 기재된 부직포를 포함하는
골 재생용 재료.
- 제1항 또는 제2항에 기재된 부직포를 포함하는
골아 세포 배양 발판재.
- 제4항에 있어서,
부직포의 섬유 부분의 공극률이 80∼99.99%인
부직포.
- 제4항에 있어서,
부직포의 부피 밀도(g/㎤)가 0.1∼0.6인
부직포.
- 제4항에 기재된 부직포를 포함하는
골 재생용 재료.
- 제4항에 기재된 부직포를 포함하는
골아 세포 배양 발판재.
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WO2012118090A1 (ja) | 2012-09-07 |
ES2691749T3 (es) | 2018-11-28 |
TWI539977B (zh) | 2016-07-01 |
US9737634B2 (en) | 2017-08-22 |
CN103402559A (zh) | 2013-11-20 |
TW201240682A (en) | 2012-10-16 |
CA2828501C (en) | 2016-04-05 |
BR112013022042A2 (pt) | 2016-11-16 |
JPWO2012118090A1 (ja) | 2014-07-07 |
JP5925185B2 (ja) | 2016-05-25 |
KR20140009414A (ko) | 2014-01-22 |
MX2013009891A (es) | 2014-02-11 |
CN108452382A (zh) | 2018-08-28 |
EP2682135B1 (en) | 2018-08-22 |
BR112013022042B1 (pt) | 2019-06-11 |
US20130338790A1 (en) | 2013-12-19 |
MX348237B (es) | 2017-05-29 |
EP2682135A1 (en) | 2014-01-08 |
CN108452382B (zh) | 2021-07-27 |
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CA2828501A1 (en) | 2012-09-07 |
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