CN2109832U - 泪道扩张冲洗导管 - Google Patents

泪道扩张冲洗导管 Download PDF

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Publication number
CN2109832U
CN2109832U CN 91216731 CN91216731U CN2109832U CN 2109832 U CN2109832 U CN 2109832U CN 91216731 CN91216731 CN 91216731 CN 91216731 U CN91216731 U CN 91216731U CN 2109832 U CN2109832 U CN 2109832U
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conduit
lacrimal
washing
dilating
lacrimal passage
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傅靖
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Abstract

本实用新型是为治疗泪道狭窄、泪道阻塞及慢性 泪囊炎等疾病研制而成的泪道扩张冲洗导管。本实 用新型的泪道扩张冲洗导管是由医用树脂制作,长 80mm,管外直径1mm,管内腔直径0.64mm,管外壁 每隔10mm有一色环,40mm为双环标志,管末端为 平滑钝尖的盲端,自盲端起在15mm、20mm、25mm、 处各有一椭圆形小孔与管内腔相通。在插入泪道后, 此三孔恰在泪囊部位,当自泪道扩张冲洗导管上端管 口注入冲洗液或药物时,即可自三小孔流入泪囊,既 可清洗泪囊中的分泌物及注药治疗,又可起到扩张泪 道作用。支撑钢芯是以20#钢丝制成,长80mm,顶 端一小圆圈。支撑钢芯插入泪道扩张冲管导管,在操 作时起支撑作用。

Description

本实用新型的泪道扩张冲洗导管,是为治疗泪道狭窄、泪道阻塞和慢性泪囊炎等疾病研制而成。
目前据知国内外已有技术为泪道探针探通术,泪道穿线及塑料管插入等疗法,但复发率高,另一类技术是泪束插管术及鼻泪管插管术,义管往往脱落而告失败。
本实用新型的目的是提供一种泪道扩张冲洗导管,它不仅能扩张泪道狭窄及阻塞部,而且能冲洗及注药泪道,从而提高上述疾病的治愈率。
本实用新型的目的是这样实现的:泪道扩张冲洗导管长80mm,管外直径1mm,管内腔直径0.64mm,管外壁每隔10mm有一色环,40mm为双环标志,管末端为平滑钝尖盲端。自盲端起在15mm、20mm、25mm处各有一椭园形小孔与管内腔相通(如图一)。在插入泪道后此三孔恰在泪囊部位,当自泪道扩张冲洗导管上端管口注入冲洗液或药物时,即可自管壁上三小孔流入泪囊,既可清除泪囊中的分泌物及注药治疗目的,而又起到扩张泪道作用,这完全不同于其它泪道插管只起扩张作用,而不能达到冲洗及注药治疗。支撑钢芯长80mm,一端为一小园圈(如图二)。以利操作掌握,此支撑钢芯插入泪道扩张冲洗导管起支撑作用。
本实用新到经临床验证治愈率为89.2%,总有效率为92.5%,其优点为结构简单,操作方便,患者无恐惧及痛苦,治愈后泪液仍从原泪道排出,完全符合生理要求,同时还缩短治疗时间,节约患者治疗费用,基层医院完全可以施行。

Claims (4)

1、一种泪道扩张冲洗导管,由泪道扩张冲洗导管和插入管腔中的支撑钢芯组成,其特征是:导管末端为平滑钝尖盲端,在管壁上有三小孔与导管内腔相通。
2、根据权利要求项1所述的泪道扩张冲洗导管,其特征在于导长80mm,管外壁直径为1mm,管内腔直径为0.64mm。
3、根据权利要求项1和2所述的泪道扩张冲洗导管,其特征在于导管外壁每隔10mm有一色环,40mm处为双环。
4、根据权利要求项1所述的泪道扩张冲洗导管,其特征在于导管末端为平滑钝尖盲端,自盲端起15mm、20mm、25mm处各有一椭园形小孔,与管内腔相通。
CN 91216731 1991-06-19 1991-06-19 泪道扩张冲洗导管 Granted CN2109832U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91216731 CN2109832U (zh) 1991-06-19 1991-06-19 泪道扩张冲洗导管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 91216731 CN2109832U (zh) 1991-06-19 1991-06-19 泪道扩张冲洗导管

Publications (1)

Publication Number Publication Date
CN2109832U true CN2109832U (zh) 1992-07-15

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ID=4924567

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Application Number Title Priority Date Filing Date
CN 91216731 Granted CN2109832U (zh) 1991-06-19 1991-06-19 泪道扩张冲洗导管

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CN (1) CN2109832U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111821098A (zh) * 2020-08-20 2020-10-27 蒋正轩 一种泪道插管

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111821098A (zh) * 2020-08-20 2020-10-27 蒋正轩 一种泪道插管

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