内切式腹膜活检枪
申请公布号:CN2322556Y
申请号:CN98213548.3
申请日期:1998.03.22
申请公布日期:1999.06.09
发明人:薛庆法;尚佳;王玉章;李玉魁;史念曾
分类号:A61B10/00
主分类号:A61B10/00
地址:450003河南省郑州市第五人民医院功能科
摘要:本实用新型提供了一种医用内切式腹膜活检枪。是一种对伴腹水的腹膜病变进行活检的弹切装置。由槽状主体,滑柱,弹簧,穿刺针卡座,针芯卡座滑块,扳机及各自带钩状槽的穿刺针芯及穿刺针组成。其特征是:滑柱位于主体内,滑柱后段上有弹簧,中段有针芯卡座滑块,前段有穿刺针卡座。滑块两侧有横柄,并可后移由扳机锁定及由弹簧推出使针芯切取腹膜组织。本实用新型克服了已有技术的不足,使穿刺针切割部强度增大,装卸针具方便,提高了取材成功率。
主权项:1、一种内切式腹膜活检枪,它包括槽状主体(1),上盖(2),滑柱(3),弹簧(4),针芯卡座滑块(5),扳机(6),横柄(7),穿刺针卡座(8)及穿刺针(9)穿刺针芯(10),其特征是:滑柱(3)位于槽状主体(1)内两端由螺钉固定于槽状主体(1)的前后端盖上,滑柱(3)后段有弹簧(4),其前端顶在位于滑柱(3)中段的针芯卡座滑块(5)上,主体(1)底部有一扳机装置(6)可锁定针芯卡座滑块(5),滑块(5)朝向上盖(2)侧有一凹半园结构卡住针芯(10)尾部,滑块(5)另两侧各有一横柄(7)位于槽状主体(1)两侧的纵槽内,滑柱(3)前段固定一穿刺针尾卡座(8),穿刺针(9)及针芯(10)前末段同侧各有一方向相对的钩状槽。
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