CN87201669U - 蝶鞍正位定点体层取层尺 - Google Patents

蝶鞍正位定点体层取层尺 Download PDF

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CN87201669U
CN87201669U CN 87201669 CN87201669U CN87201669U CN 87201669 U CN87201669 U CN 87201669U CN 87201669 CN87201669 CN 87201669 CN 87201669 U CN87201669 U CN 87201669U CN 87201669 U CN87201669 U CN 87201669U
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于风珍
陈静
任德印
马俊
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SHANDONG PROV MEDICAL IMAGE SCIENCE INST
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Abstract

蝶鞍正位定点体层取层尺,能准确无误的确定蝶鞍中心层位置和以中心层为基础的其它各层位置。在确定正确位置的基础上,通过X线体层可发现垂体肿瘤对蝶鞍的侵犯及破坏程度,用以发现病变并指导手术。

Description

蝶鞍正位定点体层取层尺
本实用新型涉及一种蝶鞍正位定点体层取层尺。
从已有的书籍记载,像:《X线体层摄影技术》,《X线投影技术》、《X线体层摄影术讲义》,《X线摄影学》和《X线体层摄影技术》对颅腔内蝶鞍中心层的X线摄影,首先,确定蝶鞍中心层的位置,而从上述书籍的记载中,是采取听眦线垂直水平面,以外耳孔向前量取2.5cm,确定蝶鞍中心层位置。但因人年龄、性别、地域及种族等差异,这种确定蝶鞍中心层的方法是很不准确的。加之,蝶鞍中心层与听眦线是不成空间垂直的,所以通过该定位方法拍摄的蝶鞍中心层不是真正的中心层。
本实用新型的目的是:设计一种蝶鞍正位定点体层取层尺,准确的测量出蝶鞍中心层在体表的位置和其它各层的位置。
本实用新型是这样实现的:测量尺(1)固定在角度盒(2)上;测量尺(1)上有滑尺(3)和与之相垂直的横滑尺(4)。滑尺(3)上带有外耳孔塞(5),蝶鞍体表定点尺(6)的角度尺(7)。
本实用新型能准确无误的确定蝶鞍中心层在体表的位置和以中心层为基础的其它各层位置。在确定正确位置的基础上,通过X线体层可发现垂体肿瘤对蝶鞍的侵犯及破坏程度,用以发现病变并指导手术。
以下结合附图,用实施例对本实用新型做进一步的说明:
附图中:
(1)、测量尺;
(2)、角度盒;
(3)、滑尺;
(4)、横滑尺;
(5)、外耳孔塞;
(6)、蝶鞍体表定点尺;
(7)、角度尺。
从蝶鞍侧位平片上,量出听眶线和听眉线的夹角,量出鞍底在平面坐标中的位置。而后,将蝶鞍正位定点体层取层尺放到病人头部,头枕角度盒(2),把外耳孔塞(5)塞入病人耳孔内,将在侧位平片上量得的数据在蝶鞍正位点体层取层尺上调整,滑尺(3)和角度尺(7)之间的夹角等于听眶线和听眉线之间的夹角,将量出的鞍底在平面坐标中的尺寸反映到蝶鞍体表定点尺(6)上,待滑尺(3)和角度尺(7)夹角调好,蝶鞍体表定位点确定后,将横滑尺(4)调到相交定点处,此时,横滑尺(4)两端所示数值为蝶鞍取层值。

Claims (2)

1、蝶鞍正位定点体层取层尺,其特征是:测量尺(1)上有滑尺(3)和与之相垂直的横滑尺(4)。滑尺(3)上带有外耳孔塞(5),蝶鞍体表定点尺(6)的角度尺(7)。
2、根据权利要求1所述的蝶鞍正位定点体层取层尺,其特征是:测量尺(1)固定在角度盒(2)上。
CN 87201669 1987-07-10 1987-07-10 蝶鞍正位定点体层取层尺 Withdrawn CN87201669U (zh)

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Application Number Priority Date Filing Date Title
CN 87201669 CN87201669U (zh) 1987-07-10 1987-07-10 蝶鞍正位定点体层取层尺

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Application Number Priority Date Filing Date Title
CN 87201669 CN87201669U (zh) 1987-07-10 1987-07-10 蝶鞍正位定点体层取层尺

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CN87201669U true CN87201669U (zh) 1988-02-24

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CN 87201669 Withdrawn CN87201669U (zh) 1987-07-10 1987-07-10 蝶鞍正位定点体层取层尺

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102920460A (zh) * 2012-10-18 2013-02-13 夏和桃 一种下肢矫形尺
CN104434114A (zh) * 2014-11-28 2015-03-25 江南大学 人体体表测量尺

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102920460A (zh) * 2012-10-18 2013-02-13 夏和桃 一种下肢矫形尺
CN102920460B (zh) * 2012-10-18 2014-04-02 夏和桃 一种下肢矫形尺
CN104434114A (zh) * 2014-11-28 2015-03-25 江南大学 人体体表测量尺

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