KR100647762B1 - 경피 인공보철 척추 디스크 수핵 및 그의 제작 방법 - Google Patents
경피 인공보철 척추 디스크 수핵 및 그의 제작 방법 Download PDFInfo
- Publication number
- KR100647762B1 KR100647762B1 KR1020007010193A KR20007010193A KR100647762B1 KR 100647762 B1 KR100647762 B1 KR 100647762B1 KR 1020007010193 A KR1020007010193 A KR 1020007010193A KR 20007010193 A KR20007010193 A KR 20007010193A KR 100647762 B1 KR100647762 B1 KR 100647762B1
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- KR
- South Korea
- Prior art keywords
- amorphous polymer
- polymer core
- hydrogel
- nucleus
- spinal disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Neurology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (26)
- 전체적으로 고정된 외주와 길이에 의해 결정된 전체적으로 고정된 최대 부피 (이 최대 부피는 수핵 공동의 부피 보다 작다)를 갖는 실질적으로 비탄성인 구속 자켓 (이 구속 자켓은 마주보는 종판들에 실질적으로 수직인 면에 상응하는 높이를 한정하며, 이식시 마주보는 종판들의 힘에 의해 타원형 단면의 구속 자켓이 초기 이식 부피를 가지도록 구성됨); 및상기 구속 자켓 내로 삽입되는 무정형 고분자 코어를 포함하며,상기 고분자 코어는 적어도 제1 상태에서 유동성인 구조이어서 삽입 시에 무정형 고분자 코어가 구속 자켓의 초기 이식 부피를 채워 구속 자켓 내에 내압을 발생시키며, 상기 구속 자켓은 초기 이식 부피로부터 최대 부피로 전이하는 구조이어서 상기 내압에 반응하여 실질적으로 높이를 증가시키는 것인, 마주보는 종판들을 형성하는 마주보는 한 쌍의 추체들(vertebral bodies)과 섬유륜(anulus)에 의해 한정되는 척추 디스크의 수핵 공동 내로 이식하기 위한 인공보철 척추 디스크 수핵.
- 제1항에 있어서, 상기 무정형 고분자 코어가 디스크 공간의 형상에 일치하는 형상인 인공보철 척추 디스크 수핵.
- 제1항에 있어서, 상기 무정형 고분자 코어가 비친수성 고분자이고, 상기 내압이 구속 자켓 내로 삽입시 무정형 고분자 코어의 충전압인 인공보철 척추 디스크 수핵.
- 제1항에 있어서, 상기 무정형 고분자 코어가 비수화 상태로부터 수화 상태로 팽창하는 구조의 히드로겔인 인공보철 척추 디스크 수핵.
- 제4항에 있어서, 상기 구속 자켓의 최대 부피가 비수화 상태의 무정형 고분자 코어의 부피 보다는 크지만 수화 상태의 무정형 고분자 코어의 부피 보다는 작고, 상기 내압은 비수화 상태로부터 수화 상태로 전이하는 무정형 고분자 코어의 팽창압인 인공보철 척추 디스크 수핵.
- 제4항에 있어서, 상기 히드로겔이 히드로겔 분말인 인공보철 척추 디스크 수핵.
- 제6항에 있어서, 상기 히드로겔 분말이 다수의 불규칙한 형상의 과립들로 이루어진 것인 인공보철 척추 디스크 수핵.
- 제7항에 있어서, 상기 다수의 불규칙한 형상의 과립들은 각각 높이가 폭 또는 길이 보다 작은 평평한 것인 인공보철 척추 디스크 수핵.
- 제7항에 있어서, 상기 다수의 불규칙한 형상의 과립들이 저마찰성 재료로 코팅된 것인 인공보철 척추 디스크 수핵.
- 제6항에 있어서, 상기 히드로겔 분말이 다수의 비구형 과립들을 포함하는 것인 인공보철 척추 디스크 수핵.
- 제6항에 있어서, 상기 히드로겔 분말이 점성 액체에 현탁된 것인 인공보철 척추 디스크 수핵.
- 제4항에 있어서, 상기 히드로겔이 유체 히드로겔인 인공보철 척추 디스크 수핵.
- 제12항에 있어서, 상기 유체 히드로겔이 물과 접촉하면 응결하는 구조인 것인 인공보철 척추 디스크 수핵.
- 제13항에 있어서, 상기 유체 히드로겔이 비요변성(non-thixotropic)인 것인 인공보철 척추 디스크 수핵.
- 제1항에 있어서, 상기 무정형 고분자 코어가 다수의 히드로겔 마이크로칩을 포함하는 것인 인공보철 척추 디스크 수핵.
- 제15항에 있어서, 상기 다수의 히드로겔 마이크로칩은 각각의 외면의 적어도 일부가 평평한 것인 인공보철 척추 디스크 수핵.
- 전체적으로 고정된 외주와 길이에 의해 결정된 전체적으로 고정된 최대 부피 (이 최대 부피는 수핵 공동의 부피 보다 작다)를 갖는 고정된 외주와 실질적으로 비탄성인 구속 자켓 (이 구속 자켓은 수핵 공동의 횡단면에 상응하는 높이를 한정하며, 타원형 단면의 구속 자켓은 이식시 초기 이식 부피를 가질 수 있도록 구성됨)을 제공하는 단계;적어도 제1 상태에서 유동성인 무정형 고분자 코어를 제공하는 단계;상기 제1 상태의 무정형 고분자 코어를 상기 구속 자켓에 삽입하여, 무정형 고분자 코어가 구속 자켓의 초기 이식 부피를 채우도록 하는 단계; 및상기 구속 자켓 내에 내압을 발생시키는 단계를 포함하며,여기에서, 상기 구속 자켓은 초기 이식 부피로부터 최대 부피로 전이하여 상기 내압에 반응하여 실질적으로 높이를 증가시키는, 척추 디스크의 수핵 공동에 이식하기 위한 인공보철 척추 디스크 수핵의 제작 방법.
- 제17항에 있어서, 상기 무정형 고분자 코어를 제공하는 단계가 비수화 상태로부터 수화 상태로 팽창하는 구조의 히드로겔을 형성하는 단계를 포함하는 방법.
- 제18항에 있어서, 상기 무정형 고분자 코어가 비수화 상태로 구속 자켓 내로 삽입되고, 상기 내압을 발생시키는 단계가 무정형 고분자 코어를 수화시켜 수화 상태로 하는 단계를 포함하는 방법.
- 제17항에 있어서, 상기 무정형 고분자 코어가 비친수성 고분자이고, 상기 내압을 발생시키는 단계가 구속 자켓의 초기 이식 부피 보다 큰 부피의 상기 비친수성 고분자를 구속 자켓 내로 주입하여 충전압을 발생시키는 단계를 포함하는 방법.
- 제17항에 있어서, 상기 무정형 고분자 코어를 제공하는 단계가 히드로겔 분말을 제공하는 단계를 포함하는 방법.
- 제21항에 있어서, 상기 무정형 고분자 코어를 제공하는 단계가 히드로겔 분말의 개별 입자들을 저마찰성 재료로 코팅하는 단계를 추가로 포함하는 방법.
- 제17항에 있어서, 상기 무정형 고분자 코어를 제공하는 단계가 히드로겔 분말을 점성 액체에 현탁시키는 단계를 포함하는 방법.
- 제17항에 있어서, 상기 무정형 고분자 코어를 제공하는 단계가 유체 히드로겔을 제공하는 단계를 포함하는 방법.
- 제24항에 있어서, 상기 유체 히드로겔을 제공하는 단계가 히드로겔 분말을 용매에 용해시켜 유체 히드로겔이 수화 시에 응결되도록 하는 단계를 포함하는 방법.
- 제17항에 있어서, 상기 무정형 고분자 코어를 제공하는 단계가 다수의 히드로겔 마이크로칩을 형성하는 단계를 포함하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/039,582 | 1998-03-16 | ||
US09/039,582 US6022376A (en) | 1997-06-06 | 1998-03-16 | Percutaneous prosthetic spinal disc nucleus and method of manufacture |
US9/039,582 | 1998-03-16 |
Publications (2)
Publication Number | Publication Date |
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KR20010041891A KR20010041891A (ko) | 2001-05-25 |
KR100647762B1 true KR100647762B1 (ko) | 2006-11-23 |
Family
ID=21906240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020007010193A Expired - Fee Related KR100647762B1 (ko) | 1998-03-16 | 1999-03-16 | 경피 인공보철 척추 디스크 수핵 및 그의 제작 방법 |
Country Status (12)
Country | Link |
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US (1) | US6022376A (ko) |
EP (1) | EP1063948B1 (ko) |
JP (3) | JP2002506678A (ko) |
KR (1) | KR100647762B1 (ko) |
AT (1) | ATE355802T1 (ko) |
AU (1) | AU742901B2 (ko) |
BR (1) | BR9908824A (ko) |
CA (1) | CA2323922C (ko) |
DE (1) | DE69935425T2 (ko) |
ES (1) | ES2283108T3 (ko) |
WO (1) | WO1999047082A1 (ko) |
ZA (1) | ZA200005580B (ko) |
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2000
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Also Published As
Publication number | Publication date |
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KR20010041891A (ko) | 2001-05-25 |
ES2283108T3 (es) | 2007-10-16 |
JP2006116327A (ja) | 2006-05-11 |
AU3007699A (en) | 1999-10-11 |
EP1063948B1 (en) | 2007-03-07 |
DE69935425D1 (de) | 2007-04-19 |
ZA200005580B (en) | 2002-03-11 |
EP1063948A1 (en) | 2001-01-03 |
EP1063948A4 (en) | 2003-03-05 |
DE69935425T2 (de) | 2007-10-31 |
CA2323922A1 (en) | 1999-09-23 |
CA2323922C (en) | 2004-03-09 |
US6022376A (en) | 2000-02-08 |
JP2002506678A (ja) | 2002-03-05 |
JP2007289728A (ja) | 2007-11-08 |
WO1999047082A1 (en) | 1999-09-23 |
ATE355802T1 (de) | 2007-03-15 |
AU742901B2 (en) | 2002-01-17 |
BR9908824A (pt) | 2001-12-18 |
JP4105721B2 (ja) | 2008-06-25 |
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