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TW200400062A - Kneadable, pliable bone replacement material - Google Patents

Kneadable, pliable bone replacement material Download PDF

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TW200400062A
TW200400062A TW092102845A TW92102845A TW200400062A TW 200400062 A TW200400062 A TW 200400062A TW 092102845 A TW092102845 A TW 092102845A TW 92102845 A TW92102845 A TW 92102845A TW 200400062 A TW200400062 A TW 200400062A
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item
patent application
bone
scope
ceramic particles
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TW092102845A
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Giancarlo Rizzoli
Thierry Stoll
Reto Luginbuhl
Marc Bohner
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Mathys Medizinaltechnik Ag
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02Inorganic materials
    • A61L27/10Ceramics or glasses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/40Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • A61L27/44Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/40Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • A61L27/44Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
    • A61L27/446Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with other specific inorganic fillers other than those covered by A61L27/443 or A61L27/46
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02Inorganic materials
    • A61L27/12Phosphorus-containing materials, e.g. apatite
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/40Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/40Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • A61L27/44Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
    • A61L27/46Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with phosphorus-containing inorganic fillers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/50Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/52Hydrogels or hydrocolloids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/50Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/56Porous materials, e.g. foams or sponges
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/28Bones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2310/00Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005The prosthesis being constructed from a particular material
    • A61F2310/00179Ceramics or ceramic-like structures
    • A61F2310/00293Ceramics or ceramic-like structures containing a phosphorus-containing compound, e.g. apatite
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2430/00Materials or treatment for tissue regeneration
    • A61L2430/02Materials or treatment for tissue regeneration for reconstruction of bones; weight-bearing implants

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials For Medical Uses (AREA)
  • Dental Preparations (AREA)

Description

200400062 玖、發明說明: 【發明所屬之技術領域】 本發明關於申請專利範圍帛1項的引文的一種可揉捏 及可成型的骨取代物料。 在背景技術中已有人使用由合成方式產生的填賴構 成的塊料或顆粒以將骨缺陷處充填。這種材料的缺點在於 :這些塊料須酉己合所要供養(versorgen,英:provlde)的骨 缺陷切割’或者,當使用鬆的顆粒時,所費的時間很不划 一述“、技術的討論只用於說明本發明的領域,但並 不表:所述的背景技術在本發明申請的曰期或其優先權曰 之時就必然已實際公開或公開使用。 =於背景技術的缺點’本發明提出對策,本發明的目 的在提供-種可揉捏的骨取代物料’它可克服上 造型費事或使用起來費時)。 疋缺2 ( 本發明達成此目的之道,係利用具有申請專利範 項的特點#一種可揉_骨取代物料。 :此可達到一種優點,:不再需要將鬆 子費事地一個接一個放 尤拉 使用位置,它們如今可利 。°柔捏的骨取代物料迅速而簡單地施加到使用位置 構成水凝膠體(Hydrogel)的母質可由以下物 a) 純合成物質 、 b) 天然生物物質 200400062 C)生物工程方式產生的物質 當形成一種膠體(Kolloid)〔在該膠體中,該分散相( 膠體)與連續相(水)組成一種粘滯之凝膠狀的產物,例 如凝結(Koagulieren)的矽酸〕時,我們稱之為水凝膠體。 該水凝膠母質可由寡聚物或聚合物的成分構成,或由 匕們的組合構成,對所予之適應症(In(jikati〇n)可在該骨取 代物料中另外混入藥劑(Pharmakea)作為添加劑。水凝膠體 之凝膠化的液體可為水,特別是除離子水及/或與人體相 容的有機溶劑。 在本發明一較佳實施例,該陶瓷粒子具有不圓的形狀 ,且為有稜邊的形狀,與圓形粒子相較,在平均粒徑保持 相同的情況下’粒子表面積增大,且因此粒子與水凝膠體 之間互相附著的作用力提高。如此可確保該骨取代物料能 柔4成各種$狀,而不須提高水凝膠體的量比例或其濃度 取好,最少有50%重量(典型 ΐ )的陶瓷粒子具有不圓的形狀。
陶究粒子的孔1¾、士 | h I 隙大小且在1〜500微米範圍。最好, 該陶究粒子的孔隙大小耗圍最好
Et古此士 有邛刀在1〜100#範圍。ϋ 點有一好處,即: ’、小为佈為最佳,且可確保自兰 (autogen)組織生長穿古 呆 隙率在60卿 二孔隙。最好’該陶竟粒子的孔 丨卓羊在60〜90%範圍。 丁 可能大的體穑、·點# —好處,即該陶£粒子有德 的體積比例可讓自生的組織生長穿過。 該陶瓷粒子的平均直 且在100〜250#範圍,這點有 200400062 一好處,即該骨取代物料偎緊密,此外,如果粒子直徑不 小於100 //,則圍繞著粒子的組織實際上不會有刺激之反 應之虞。 陶瓷粒子的平均直徑也可在150〜500 #範圍,且宜在 0.5〜5.6删範圍,如此在充填中等大小及較大的缺陷時可 更有效率。 也可將平均直徑100〜250 #的陶瓷粒子與平均直徑 250〜500 #或平均直徑〇·5〜5·6咖的粒子混在一起。這點 有一好處,即:可確保骨取代物料的緊密性。因此,使用 粗粒材料在粗粒之間產生的間隙(interstitieU)的孔隙體積 〔孔隙無效體積(Poren-T〇tvolum,英:pore_dead_v〇iume) 〕可減至最少。此外,可使用不同大小的陶瓷粒子而改變 δ亥硬化的骨取代物料的崩解(Degra(jation)的時間段落。 該陶瓷粒子宜由一種磷酸鈣構成,典型的情形係由冷_ 磷酸三鈣構成。這點有一好處,即:使用之陶瓷的化學計 量組成和人骨組成相當。而且点_磷酸三鈣的崩解時間不會 太快也不會太慢,不會太快使得在崩解過程中空出的空腔 或植入物剩餘材料的支持空腔力量來不及讓組織長滿(以 維持構造的強度)或太慢使得所空出的空腔不夠生長的組 織佔據’陶瓷粒子也可由硫酸鈣或碳酸鈣構成。 在本發明一實施例中,該水凝膠體或該可浸脹成水凝 膠體的物質具有以下基材之一: a)聚胺基酸及其衍生物,宜為聚離胺酸(Polylysin)或 明膠(Gelatine); 200400062 b) 多醣及其衍生物,宜為糊精(Dextrin)或古阿樹膠 (Guar Gum); c) 聚脂質(Polylipid)、脂肪酸及其衍生物; d) 核苷酸及其衍生物;或 e) a)〜d)的基材的組合。 如果該水凝膠體為一種玻尿酸醋(Hyaluronat)的水溶液 ,則它宜含少於96·5%的水(典型的情形為少於95%的水 )。這種濃度有一好處,即可確保該骨取代物料有優異的 可成形性。 所用的玻尿酸的分子量宜大於1.5Χ106道爾頓,而小 於1 X 106道爾頓。 该玻尿酸由葡萄酸酸(Glucuronic acid)與乙醯葡糖胺 (Acetylglucosamin)組成,它們構成玻尿酸的雙醣酯,該玻 尿酸由於其線形不分枝的分子構造,故形成高粘度之水性 溶液。 該含約的多孔隙陶瓷粒子的比重宜在〇.5〜〇.8g/cm3範 圍。 本發明及本發明的進一步特點在以下利用數個實施例 更詳細說明。 〔實例1〕 將粒子大小約500 //的稜邊形粒子的召_磷酸三鈣(冷_ TCP)的顆粒1200·7 mg與玻尿酸納在除離子水中的溶 =2005.2 mg混合五分鐘。然後將此混合物在室溫放數小 柃,所侍之可揉捏物料出奇地適用於作可塑性骨取代物料 200400062 〔實例2〕 將粒子大小約1 〇〇 #的稜邊形粒子的冷-磷酸三鈣(冷-TCP)的顆粒600·2 mg以及粒子大小約500 //的稜邊形粒子 的/3 -鱗酸三鈣600.5 mg與玻尿酸納在除離子水中的5%溶 液2001.7 mg混合五分鐘。然後將此混合物在室溫放數小 時,所得之可揉捏物料出奇地適用於作可塑性骨取代物料 〇 〔實例3〕 將粒子大小約100#的稜邊形粒子的冷-磷酸三鈣(冷-TCP)的顆粒296.4 mg與粒子大小約5〇〇#的稜邊形粒子的 /3-磷酸三鈣(沒_TCp)的顆粒292·6 mg與玻尿酸納在除離 子水中的10%溶液970 mg混合五分鐘。然後將此混合物 在室溫放數小時,所得之可揉捏物料出奇地適用於作可塑 性骨取代物料。 〔實例5〕 將粒子大小約1〇〇"的稜邊形粒子的磷酸三鈣 TCP)的顆粒294.6 mg與粒子大小約5叫的稜邊形粒子的 点填酸三約(/3_TCP)的顆粒292.6叫與5〇吨玻尿酸納 混合。然後將950 mg除離子水加入,並將整體均句混合 15分。將造成之糊狀物在室溫放置數小時,所得之可揉捏 物料出奇地適用於作可塑性骨取代物料。

Claims (1)

  1. 200400062 拾、申請專利範圍: 1. 一種可揉捏及可成型的骨取代物料,其係含以下成 份: A) 含鈣之陶瓷粒子; B) —種水凝膠體或可浸脹成一水凝膠體的物質; 其特徵在: C) 邊陶瓷粒子係為完全合成之來源者; D) 該個別之陶瓷粒子具有至少部分地結在一齊的多 孔隙構造。 2 ·如申請專利範圍第1項之骨取代物料,其中: 該陶兗材料具有不圓的形狀,且宜為具稜邊的形狀。 3 ·如申請專利範圍第1或第2項之骨取代物料,其中 該陶莞粒子至少有50%重量(且宜至少90%重量) 具有不圓的形狀。 4.如申請專利範圍第1或第2項之骨取代物料,其中 該陶究粒子的孔隙大小在1〜500 μ範圍。 5·如申請專利範圍第1或第2項之骨取代物料,其中 至少50%的陶瓷粒子的孔隙大小在100〜5〇〇 ν範圍 〇 6·如申請專利範圍第5項之骨取代物料,其中: 該孔隙大小在1〜1〇〇 μ範圍。 11 200400062 申明專利範圍第5項之骨取代物料,其中: 該孔隙大小在340〜450 “範圍。 , 申明專利範圍第1或第2項之骨取代物料,其中 該陶瓷粒子的孔隙率在60〜90%範圍。 9·如申凊專利範圍第1或第2項之骨取代物料,其中 °亥陶瓷粒子的鬆密度在〇·2 g/Cm3〜0.8 g/cm3範圍。 1〇_如申凊專利範圍第1或第2項之骨取代物料,其中、馨 ^ 究粒子的鬆密度在0.5 g/cm3〜0.8 g/cm3範圍。 11 ·如申請專利範圍第1或第2項之骨取代物料,其中 °亥陶瓷粒子的平均直徑在100〜250 //範圍。 • 12·如申請專利範圍第1或第2項之骨取代物料,其中 修 忒陶瓷粒子的平均直徑在25〇〜500 //範圍。 鲁 • 13·如申請專利範圍第1或第2項之骨取代物料,其中 忒陶瓷粒子的平均粒徑在0.5〜5·ό mm範圍。 14·如申凊專利範圍第u項之骨取代物料,其中·· 將具有平古/ - 刁直搜100〜250 //的陶瓷粒子與平均粒徑 25〇〜500 "的陶曼粒子以及/或平均直徑〇 5〜5·6麵的陶 瓷粒子一起使用。 12 200400062 1 5·如申請專利範圍第1或第2項之骨取代物料,其中 該陶兗粒子由一種構酸I弓構成’其Ca/P莫耳比例在 1.0〜2·〇範圍。 16 ·如申請專利範圍第15項之骨取代物料,其中: 該陶瓷粒子由一種填酸奶構成,其Ca/P莫耳比例在 1·45〜1.52範圍。 17·如申請專利範圍第16項之骨取代物料,其中: 該陶瓷粒子由一種構酸鈣構成,其Ca/P莫耳比例在 1.45〜1.49範圍。 1 8·如申請專利範圍第1或第2項之骨取代物料,其中 該陶兗粒子由一種硫酸鈣構成。 19·如申請專利範圍第1或第2項之骨取代物料,其中 該陶兗粒子由一種碳酸鈣構成。 20·如申睛專利範圍第1或第2項之骨取代物料,其中 該水凝膠體或可浸脹成一種水凝膠體的物質係由以下 之物選出: a) 純粹合成物質 b) 天然生物物質,或 C)用生物工程方式產生的物質。 21.如申請專利範圍第丨或第2項之骨取代物料,其中 13 200400062 該水凝膠體或可浸脹成一種水凝膠體的物質含有以下 的一種基材: a) 聚胺基酸及其衍生物,且宜為聚離胺酸或明膠; b) 多醣及其衍生物,宜為糊精或古阿樹膠; c) 聚脂質、脂肪酸及其衍生物; d) 核苷酸及其衍生物;或 e) a)〜d)的基材的組合。 22. 如申請專利範圍第1或第2項之骨取代物料,其中 該水凝膠體或可浸脹成一種水凝膠體的物質係呈一種 葡糖胺聚糖形式或一種蛋白葡聚糖醣或二者的混合物。 23. 如申請專利範圍第22項之骨取代物料,其中: 該葡糖胺聚糖為一種玻尿酸酯、硫酸軟骨素、硫酸微 纖維素、硫酸肝素、或硫酸角質素。 24·如申請專利範圍第1或第2項之骨取代物料,其中 該水凝膠體的濃度或可浸脹成一種水凝膠體的物質的 濃度在0·1%〜20.0%範圍。 25·如申喷專利範圍第1或第2項之骨取代物料, 異中 該水凝膠體為一種玻尿酸酯的水溶液。 26.如申請專利範圍第25項之骨取代物料,其中: 該水溶液含水量少於96.5%,且宜少於95%。 200400062 •如申請專利範圍第23項之骨取代物料,其中: 4所有之玻尿酸的分子量大於1·5 XI06道爾頓。 28·如申請專利範圍第23項之骨取代物料,其中· "亥所用之玻尿酸的分子量在1 X 1〇6〜1.5 X 1〇6道爾頓 範圍。 29·如申請專利範圍第23項之骨取代物料,其中: 該所用之玻尿酸的分子量小於1 X 1 〇6道爾頓。 3 0 ·如申5月專利範圍第1或第2項之骨取代物料,其中 名3鈣多孔隙陶瓷粒子的比重在〇·5〜1〇 g/e瓜3範圍 〇 31.如申請專利範圍第1或第2項之骨取代物料,其中 該水凝膠體與含詞陶$ ^ ^间光粒子的凝膠體的重1比例B/A 大於1·〇,且宜大於Μ。 捨壹、囷式: 無 15 200400062 柒、指定代表圖: (一) 本案指定代表圖為:第(無)圖。 (二) 本代表圖之元件代表符號簡單說明: 無 捌、本案若有化學式時,請揭示最能顯示發明特徵的化學式
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JP2012066124A (ja) 2012-04-05
BRPI0308944B8 (pt) 2021-06-22
ATE338570T1 (de) 2006-09-15
US20050124720A1 (en) 2005-06-09
IL164369A0 (en) 2005-12-18
DE50304952D1 (de) 2006-10-19
CA2481383A1 (en) 2003-10-09
KR100975381B1 (ko) 2010-08-13
CN1652828A (zh) 2005-08-10
WO2003082365A1 (de) 2003-10-09
MXPA04009685A (es) 2005-05-27
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US20140093571A1 (en) 2014-04-03
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US8603184B2 (en) 2013-12-10
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KR20050012230A (ko) 2005-01-31
AU2003215485B2 (en) 2006-07-06
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