CN2352818Y - 医用发光导管 - Google Patents

医用发光导管 Download PDF

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Publication number
CN2352818Y
CN2352818Y CN 98234856 CN98234856U CN2352818Y CN 2352818 Y CN2352818 Y CN 2352818Y CN 98234856 CN98234856 CN 98234856 CN 98234856 U CN98234856 U CN 98234856U CN 2352818 Y CN2352818 Y CN 2352818Y
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light guide
luminous
outer tube
transparent outer
medical use
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李平
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Abstract

本实用新型涉及一种医用发光导管。它由透明外管与光导纤维构成，光导纤维固定在透明外管内，导管发光段则由光导纤维之端点所组成。该产品用于外科手术中，很容易将腔道器官与病变组织区别开来，方便临床医生准确、快速地进行手术，避免损伤腔道器官及正常组织。

Description

医用发光导管
本实用新型涉及一种医用发光导管。
外科有很多手术涉及到腔道器官的(显示)辩认，以便在术中加以保护和避免损伤。为了解决这类问题，目前在外科手术中使用的是不能发光的导管，将其插入腔道器官内通过触摸来辨认。其缺点为费时、不方便和不够准确，在切除腔道外病变组织时很难掌握好切开的深度，精确地做到切除病变组织既要彻底，又不能损伤正常组织。在腔道器官周围手术时，由于不是直接显示，往往需要触摸辩认腔道器官的走行和位置，手术时常很麻烦，即便是做到小心，也难以避免不误伤腔道器官。
本实用新型的目的在于提供一种能在外科手术中准确辩认腔道器官与病变组织的医用发光导管。
本实用新型是这样实现的，它由透明外管与光导纤维构成，光导纤维固定在透明外管内，导管发光段则由光导纤维之端点所组成。
下面结合附图和实施例对本实用新型作详细描述。
图1为本实用新型之结构示意图。
本实用新型由透明外管(1)与光导纤维(2)构成，光导纤维(2)固定在透明外管(1)内，导管发光段则由光导纤维(2)之端点所组成，据此可制成发光导尿管、发光输尿管导管、发光胆道导管或外科手术用别的医用发光导管。
如发光导尿管用于保留尿道前列腺切除术中，将其插入尿道，在沿尿道外切除前列腺组织时，透过尿道壁通过光亮的多少来准确地掌握切开的深度，当达到尿道壁时可见到透过的光亮，以保证彻底切除前列腺组织而又不损伤尿道，手术时很方便。
发光输尿管导管用于腹部手术或输尿管手术中，将其插入输尿管内使其成为一条光亮的管道而清楚地显示出来，术中很容易发现或寻找输尿管。
发光胆道导管用于肝胆外科手术中胆道的辩认，如肝内胆管显露与切开时，需要与肝内血管相区别，切开胆管时不会损伤肝内血管。
本实用新型用于外科手术中，很容易将腔道器官与病变组织区别开来，方便临床医生准确、快速地进行手术，避免损伤腔道器官及正常组织。

Claims (1)

1．一种医用发光导管，其特征在于：它由透明外管与光导纤维构成，光导纤维固定在透明外管内，导管发光段则由光导纤维之端点所组成。
CN 98234856 1998-08-12 1998-08-12 医用发光导管 Expired - Fee Related CN2352818Y (zh)

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CN 98234856 CN2352818Y (zh) 1998-08-12 1998-08-12 医用发光导管

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CN 98234856 CN2352818Y (zh) 1998-08-12 1998-08-12 医用发光导管

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CN2352818Y true CN2352818Y (zh) 1999-12-08

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CN 98234856 Expired - Fee Related CN2352818Y (zh) 1998-08-12 1998-08-12 医用发光导管

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US8080000B2 (en) 2004-04-21 2011-12-20 Acclarent, Inc. Methods and apparatus for treating disorders of the ear nose and throat
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