The invention discloses a control positioner for acetabular reamer, acetabular bone defect accurately grinding shaping, including thickness adjusting support member (2), columnar shape, and the top of acetabulum file (4) is connected to the connecting rod supporting rod (4); acetabular reamer acetabular support member (3) and, the acetabular support member (2) fixedly connected with the bottom, hemispherical and acetabulum file (5) to match the shape, set in the acetabulum file (5) for supporting the bottom of acetabulum file (5), the control rod drives the acetabulum file (4) file (5) around the acetabular thickness adjusting support one (2) in the acetabular fossa (3) on the rotating support. The acetabulum file locator is adopted to locate the acetabulum file through the acetabulum locator, and realizes the accurate filing and shaping of the acetabulum file to the bone defect part above the acetabulum, and ensures the stability of the prosthesis after being implanted into the human acetabulum.
【技术实现步骤摘要】
髋臼锉把持定位器
本专利技术涉及医疗用器械,尤其涉及一种髋臼锉把持定位器。
技术介绍
在治疗髋关节病变时采用人工髋关节假体置换手术,将患者体内已发生病变的股骨头取出,将相应的髋臼垫块假体安装上去,而其中,必须将人体的髋臼窝进行磨削至符合髋臼垫块假体的外形尺寸,故对于置换术中的辅助手术器械也有更高的要求,髋臼锉用于进行磨削作业,同时髋臼锉把持器在临床上存在着重要的作用。现有的髋臼锉连杆只能对整个完整球面结构的髋臼窝外形磨削时才能保证其稳定性,无法精确地按照髋臼垫块假体的尺寸对人体髋臼我进行磨削,髋臼窝的塑形与髋臼垫块假体不能精确匹配时,假体植入人体后稳定性会非常差,大大增加了术后松动的风险。
技术实现思路
本专利技术的目的在于提供一种能够实现髋臼锉对髋臼上方骨缺损部位进行精确磨削塑形的髋臼锉把持定位器。为实现上述目的,本专利技术的髋臼锉把持定位器的具体技术方案为:一种髋臼锉把持定位器,用于对髋臼上方骨缺损部位进行精确磨削塑形,包括:厚度调节支撑件,呈柱状形,顶部与髋臼锉连杆相连,用于支撑髋臼锉连杆;髋臼窝支撑件,与髋臼窝支撑件的底部固定连接,呈半球形,与髋臼锉的形状相匹配,设置在髋臼锉的底部用于支撑髋臼锉,通过控制髋臼锉连杆带动髋臼锉围绕厚度调节支撑件在髋臼窝支撑件上转动。进一步,厚度调节支撑件的顶部垂直设置有连杆,通过连杆与厚度髋臼窝支撑件固定连接。进一步,厚度调节支撑件远离髋臼窝支撑件的另一端设置有手柄,手柄相对于厚度调节支撑件与髋臼窝支撑件之间的连杆倾斜设置。进一步,厚度调节支撑件的顶部为U形槽,髋臼锉连杆放入U形槽内,厚度调节支撑件用于支撑髋臼锉连杆。进 ...
【技术保护点】
一种髋臼锉把持定位器,用于对髋臼上方骨缺损部位进行精确磨削塑形,其特征在于,包括:厚度调节支撑件(2),呈柱状形,顶部与髋臼锉连杆(4)相连,用于支撑髋臼锉连杆(4);髋臼窝支撑件(3),与髋臼窝支撑件(2)的底部固定连接,呈半球形,与髋臼锉(5)的形状相匹配,设置在髋臼锉(5)的底部用于支撑髋臼锉(5),通过控制髋臼锉连杆(4)带动髋臼锉(5)围绕厚度调节支撑件(2)在髋臼窝支撑件(3)上转动。
【技术特征摘要】
1.一种髋臼锉把持定位器,用于对髋臼上方骨缺损部位进行精确磨削塑形,其特征在于,包括:厚度调节支撑件(2),呈柱状形,顶部与髋臼锉连杆(4)相连,用于支撑髋臼锉连杆(4);髋臼窝支撑件(3),与髋臼窝支撑件(2)的底部固定连接,呈半球形,与髋臼锉(5)的形状相匹配,设置在髋臼锉(5)的底部用于支撑髋臼锉(5),通过控制髋臼锉连杆(4)带动髋臼锉(5)围绕厚度调节支撑件(2)在髋臼窝支撑件(3)上转动。2.根据权利要求1所述的髋臼锉把持定位器,其特征在于,厚度调节支撑件(2)的顶部垂直设置有连杆(21),通过连杆(21)与厚度髋臼窝支撑件(3)固定连接。3.根据权利要求1...
【专利技术属性】
技术研发人员:史春宝,陈立叶,解凤宝,尚希福,周建生,项征,查正,庄金奎,丁涛,
申请(专利权)人:北京市春立正达医疗器械股份有限公司,
类型:发明
国别省市:北京,11
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