CN1140230C - 羟基磷灰石喷涂生物钛颅骨种植体 - Google Patents

羟基磷灰石喷涂生物钛颅骨种植体 Download PDF

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CN1140230C
CN1140230C CNB011064714A CN01106471A CN1140230C CN 1140230 C CN1140230 C CN 1140230C CN B011064714 A CNB011064714 A CN B011064714A CN 01106471 A CN01106471 A CN 01106471A CN 1140230 C CN1140230 C CN 1140230C
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biological titanium
bone implant
hydroxyapatite
cranial bone
titanium
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CN1370508A (zh
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李雅娟
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Li Yajuan
Yuan Yongsheng
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Abstract

一种羟基磷灰石喷涂生物钛颅骨种植体,它由羟基磷灰石粉、生物钛片、生物钛螺钉组成,羟基磷灰石粉(1)完全覆盖生物钛片(2)表面;羟基磷灰石喷涂生物钛颅骨种植体为半圆弧形,直径:8-30cm,弧高为:0.5-10cm,厚度为:0.5-1.5mm;圆弧面上外圈有固定孔(3),内圈为引流生长孔(4);生物钛螺钉穿过固定孔(3)与颅骨相固定。它具有抗冲击力强、容易塑形,可和自体骨相融合的特点。

Description

羟基磷灰石喷涂生物钛颅骨种植体
技术领域
本发明涉及一种医疗器械的颅骨种植体,具体地讲涉及一种羟基磷灰石喷涂生物钛颅骨种植体。
背景技术
人工颅骨在颅骨缺损修补中,目前国内外有如下几种:1、钛金属颅骨修复材料,只有片状。其优点是抗冲击力强。缺点是塑形困难,温度传导性强,病人易产生颅内不适,不能和自体骨相融合。2、羟基磷灰石类生物材料,羟基磷灰石和骨骼中的无机成份相同,因而它具有生物相容性好、可和自体骨相融合的特点,美国已使用,它需先行订制,现场无法塑形,价格昂贵,容易断裂。
发明内容
本发明的目的在于提供一种抗冲击力强、容易塑形、生物相容性好、可和自体骨相融合的新型颅骨缺损修复材料—羟基磷灰石喷涂生物钛颅骨种植体。
为了实现上述目的,本发明的技术方案是:一种羟基磷灰石喷涂生物钛颅骨种植体,它由羟基磷灰石粉、生物钛片、生物钛螺钉组成,羟基磷灰石粉1完全覆盖生物钛片2表面;羟基磷灰石喷涂生物钛颅骨种植体为半圆弧形,直径:8-30cm,弧高为:0.5-10cm,厚度为:0.5-1.5mm;圆弧面上外圈有固定孔3,内圈为引流生长孔4;生物钛螺钉穿过固定孔3与颅骨相固定。
固定孔3、引流生长孔4可为方形或者菱形或圆形,固定孔(5)、引流生长孔(6)的孔径为:1-3mm,孔心距为:1.5-4mm。
羟基磷灰石喷涂生物钛颅骨种植体其边缘可设有4至5个切口。
本发明由于采用了生物钛片2表面完全覆盖羟基磷灰石粉1,因而增强了抗冲击力;又由于采用了羟基磷灰石粉1完全覆盖生物钛片2表面,外层为羟基磷灰石粉,羟基磷灰石粉和骨骼中的无机成份相同,因而它具有生物相容性好、可和自体骨相融合的特点;羟基磷灰石喷涂生物钛颅骨种植体为半圆弧形,与现有的片形相比,尤其是羟基磷灰石喷涂生物钛颅骨种植体其边缘设有4至5个切口时,只需略加塑形或者不用塑形就可直接使用。
附图说明
下面结合各附图对本发明作进一步详细地说明。
图1是本发明的主视图。
图2是图1的俯视图。
图3是本发明边缘设有4至5个切口时的俯视图。
图4是现有的生物钛片的主视图。
具体实施方式
如图1、图2所示,本发明由羟基磷灰石粉、生物钛片、生物钛螺钉组成,羟基磷灰石粉1完全覆盖生物钛片2表面;羟基磷灰石喷涂生物钛颅骨种植体为半圆弧形,直径:8-30cm,弧高为:0.5-10cm,厚度为:0.5-1.5mm;圆弧面上外圈有固定孔3,内圈为引流生长孔4;生物钛螺钉穿过固定孔3与颅骨相固定。固定孔3、引流生长孔4可为方形或者菱形或圆形。如图3所示,羟基磷灰石喷涂生物钛颅骨种植体其边缘可设有4至5个切口。
本发明的制备方法:1、将现有的生物钛片(如图4所示)冲压成形。2、将上述冲压成形的半圆弧形生物钛等离子喷涂羟基磷灰石。3、无菌包装、辐照消毒。
本发明的使用过程:1、切头皮,显露缺损骨区域。2、打开包装,取出合适规格的产品,略加塑形或者不用塑形就可直接使用。3、放在颅骨缺损上方,用生物钛螺钉穿过固定孔与颅骨相固定。4、缝合头皮。

Claims (7)

1.一种羟基磷灰石喷涂生物钛颅骨种植体,它由羟基磷灰石粉、生物钛片、生物钛螺钉组成,生物钛片上外圈有固定孔,内圈为引流生长孔;生物钛螺钉穿过固定孔与颅骨相固定,其特征在于:羟基磷灰石粉(1)完全覆盖生物钛片(2)表面;羟基磷灰石喷涂生物钛颅骨种植体为半圆弧形。
2.如权利要求1所述的羟基磷灰石喷涂生物钛颅骨种植体,其特征在于:半圆弧形的直径:8-30cm,弧高为:0.5-10cm,厚度为:0.5-1.5mm。
3.如权利要求1所述的羟基磷灰石喷涂生物钛颅骨种植体,其特征在于:固定孔(3)、引流生长孔(4)为方形。
4.如权利要求1所述的羟基磷灰石喷涂生物钛颅骨种植体,其特征在于:固定孔(3)、引流生长孔(4)为菱形。
5.如权利要求1所述的羟基磷灰石喷涂生物钛颅骨种植体,其特征在于:固定孔(3)、引流生长孔(4)为圆形。
6.如权利要求1或3或4或5所述的羟基磷灰石喷涂生物钛颅骨种植体,其特征在于:固定孔(5)、引流生长孔(6)的孔径为:1-3mm,孔心距为:1.5-4mm。
7.如权利要求1所述的羟基磷灰石喷涂生物钛颅骨种植体,其特征在于:羟基磷灰石喷涂生物钛颅骨种植体其边缘可设有4至5个切口。
CNB011064714A 2001-02-15 2001-02-15 羟基磷灰石喷涂生物钛颅骨种植体 Expired - Fee Related CN1140230C (zh)

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