CN1836737A - 同种骨骨片 - Google Patents

同种骨骨片 Download PDF

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Publication number
CN1836737A
CN1836737A CN 200510056785 CN200510056785A CN1836737A CN 1836737 A CN1836737 A CN 1836737A CN 200510056785 CN200510056785 CN 200510056785 CN 200510056785 A CN200510056785 A CN 200510056785A CN 1836737 A CN1836737 A CN 1836737A
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CN
China
Prior art keywords
bone
sclerite
fracture
same kind
osteocomma
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Pending
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CN 200510056785
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English (en)
Inventor
李宝兴
陈学英
邢力
赵亚平
张康荣
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AORUI BIOLOGICAL MATERIAL Co Ltd SHANXI
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AORUI BIOLOGICAL MATERIAL Co Ltd SHANXI
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Application filed by AORUI BIOLOGICAL MATERIAL Co Ltd SHANXI filed Critical AORUI BIOLOGICAL MATERIAL Co Ltd SHANXI
Priority to CN 200510056785 priority Critical patent/CN1836737A/zh
Publication of CN1836737A publication Critical patent/CN1836737A/zh
Pending legal-status Critical Current

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Abstract

一种同种骨骨片,用于外伤性骨折对位治疗。它由人类四肢骨或肋骨经在乙醇中超声清洗脱脂、在盐酸中超声清洗脱矿至半透明、柔韧易弯曲而成,其厚度为1.5~2.5mm、宽为20~30mm、长为50~100mm。这种脱矿骨片可用于外伤性骨折对位手术中包绕骨折对位处周围,保护骨折裂隙不被外围软组织长入,从而避免了由之引起的骨不连,减少了患者二次手术的痛苦和经济上的负担。

Description

同种骨骨片
技术领域
本发明涉及一种由人类同种骨制成的、用于外伤性骨折对位治疗的骨片。
背景技术
发明名称为“同种骨骨粉及其制备方法”、申请号为03150100.1的专利申请公开了一种由人类同种骨制成的用作骨缺失填充材料的同种骨骨粉及其制备方法(公开日:2005.02.16,公开号:CN1579561)。这种材料可以通过与生物调合剂复合重塑各种非天然结构的骨植入材料,为临床上提供广泛的材料来源,还可以直接作为填充材料应用于口腔科骨缺损的治疗。但是在多数外伤性骨折的对位治疗中,由于对位不紧密或各种原因引起的对位后固定不牢,造成断端松动,产生缝隙,使骨折处周围软组织长入其中,造成骨不连或延长愈合时间,给患者带来二次手术的痛苦和经济上的负担的问题,对此,上述申请提供的骨粉材料却难以解决。
发明内容
本发明的目的在于公开一种可以用于外伤性骨折对位治疗中防止软组织长入骨折处缝隙的同种骨骨片。
所说的同种骨骨片由人类四肢骨或肋骨经在乙醇中超声清洗脱脂、在盐酸中超声清洗脱矿至半透明、柔韧易弯曲状而成,其厚度为1.5~2.5mm、宽为20~30mm、长为50~100mm。
在外伤性骨折对位手术中使用本发明紧密包绕骨折对位处周围,可以起到保护骨折裂隙不被外围软组织长入的作用,从而避免了由之引起的骨不连,减少了患者二次手术的痛苦和经济上的负担。
而且,用盐酸脱矿的骨片经动物试验证明其具有较强的诱导纤维细胞成骨的作用,促进骨折部位的成骨愈合,提高骨折一期愈合率,缩短病程。
具体实施方式
下面通过实施例对本发明作更为详细的描述。本发明是经下述步骤制备而成的。
1.制片
将人类四肢骨或者肋骨用车床等工具加工成为厚度为1.5~2.5mm、宽为20~30mm、长度为50~100mm的长条片状,然后用去离子纯净水洗去其表面的污渍与骨髓血细胞等污物。骨片的大小可根据需要有所不同,但临床中常用的多为上述尺寸。
2.脱脂处理
将清洗干净的骨片放入浓度为95%的乙醇中,通过超声清洗进行脱脂处理,清洗时间应不低于8小时。
3.脱矿处理
将骨片放入不锈钢容器中,加入浓度为0.6mol/l的盐酸中,在超声清洗槽内进行清洗,中间每隔大约1小时要换酸1次,直至骨片经肉眼观察呈半透明,且用镊子夹持时表现为柔韧易弯曲。
4.清洗去酸
用去离子纯净水反复漂洗脱矿的骨片,再将之在超声波槽内超洗,中间经多次换水,直到超洗液酸度大于或等于6.5。
5.冷冻干燥
将脱矿骨片放入75%的乙酸中浸泡消毒,再将之在冷冻机中干燥至骨片含水量小于6%。
6.包装和二次灭菌
将干燥后的骨片进行包装,并放入钴60γ射线辐照装置中进行辐照灭菌,辐照剂量为20KGy。
经过上述处理的脱矿骨片即可根据实际手术的需要,用于外伤性骨折对位手术中包绕骨折对位处周围。

Claims (1)

1.一种同种骨骨片,其特征在于:它由人类四肢骨或肋骨经在乙醇中超声清洗脱脂、在盐酸中超声清洗脱矿至半透明、柔韧易弯曲状而成,其厚度为1.5~2.5mm、宽为20~30mm、长50~100mm。
CN 200510056785 2005-03-25 2005-03-25 同种骨骨片 Pending CN1836737A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200510056785 CN1836737A (zh) 2005-03-25 2005-03-25 同种骨骨片

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200510056785 CN1836737A (zh) 2005-03-25 2005-03-25 同种骨骨片

Publications (1)

Publication Number Publication Date
CN1836737A true CN1836737A (zh) 2006-09-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200510056785 Pending CN1836737A (zh) 2005-03-25 2005-03-25 同种骨骨片

Country Status (1)

Country Link
CN (1) CN1836737A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110151283A (zh) * 2019-06-18 2019-08-23 上海亚朋生物技术有限公司 一种颅骨缺损修复的拼接式同种异体骨塞及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110151283A (zh) * 2019-06-18 2019-08-23 上海亚朋生物技术有限公司 一种颅骨缺损修复的拼接式同种异体骨塞及其制备方法

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