CN108324424A - 泪道环钻畅通置管系统 - Google Patents

泪道环钻畅通置管系统 Download PDF

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CN108324424A
CN108324424A CN201710041325.8A CN201710041325A CN108324424A CN 108324424 A CN108324424 A CN 108324424A CN 201710041325 A CN201710041325 A CN 201710041325A CN 108324424 A CN108324424 A CN 108324424A
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trepan
lacrimal passage
pipe
knife
edge
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闵晓洁
肖长旭
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007Methods or devices for eye surgery
    • A61F9/00709Instruments for removing foreign bodies
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007Methods or devices for eye surgery
    • A61F9/00736Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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Abstract

本发明涉及泪道环钻畅通置管系统,主要用于对人体眼部泪道进行手术。目前治疗的方法,成本高,太繁琐,损伤骨壁,易粘连,成功率极低。采用本系统手术,泪道阻塞时,将合体探针探入→探明阻塞物→注水验证阻塞→环钻环切阻塞物→注水验证通畅→置入下置管,探通和环钻一体连贯性完成,操作简单方便,环切准确,避免多次治疗损伤组织;带保护芯的环钻,既能当探针使用,又可拔出保护芯,即可当环钻刀使用,使手术没有皮肤切口,又可彻底环切泪道任何部位的阻塞物;将上下两根置管尾部用连接线打结,不容易将泪小点撑裂,置管也不易从睑裂中窜出;术后,可以方便地活动植入泪道的硅胶软管,避免了置管长时间植入所导致的与组织发生的粘连。

Description

泪道环钻畅通置管系统
技术领域
医学领域中,治疗眼科泪道阻塞微创手术。
背景技术
眼睛泪道的作用是将泪液导入鼻腔。如果有任一部位泪管阻塞,则会引起泪溢,影响视力和形象美观,给患者造成极大的痛苦。由于泪道狭长,管径细小,极易发生堵塞。目前治疗的方法,主要是通过泪囊鼻腔吻合手术改变泪液流出通道,或激光治疗鼻泪管阻塞,清除堵塞物,或泪道直接置管扩张泪管。采用这几种方法治疗,其中,泪囊鼻腔吻合手术方法,太繁琐,损伤骨壁,成功率极低;激光方法,成本高,较繁琐,容易粘连,影响治疗效果;直接置管方法,用于不完全阻塞。如果完全阻塞,则很难达到有效治疗。
发明内容
(一)系统的构成。泪道环钻畅通置管系统,由合体探针和置管两部分构成。合体探针(附图1),由环钻和环钻刀口保护芯组成。环钻(附图2),为一个根空心的金属管,前端为环形的钻刀口;环钻刀口保护芯(附图3),为实心圆柱金属杆,直径与环钻的内径相等,前端形状与环钻的前端形状相同,顶部为半球体。半球体突出于环钻刀口处,形成合体探针的半球形探头,起到保护环刀口作用,避免合体探针探通泪道时,损伤泪道组织。保护芯尾端为梯形插扣,起到锁定环钻作用,防止环钻刀口上下窜动,避免环刀口突出于保护芯前端,损失组织;置管由下置管和上置管组成。下置管(附图4),为一根直径等于环钻内径的实心硅胶软管,两端形状为半球体,尾端带一根连接线;上置管(附图5),为一根两端为盲端空心硅胶软管,管体前端等距离开设3个小孔,使管壁内外相通,用于注射无菌水,通过上置管流入鼻腔。上置管的尾端带一根连接线。(二)合体探针的使用。泪道手术用此系统进行,先将合体探针从下泪小点插入,经下泪小管、总泪管、泪囊、探至鼻泪管阻塞处时被阻挡。此时,拔出环钻刀口保护芯,将注射器针头插入环钻尾部管内,注水,鼻腔及口腔未流出注水,即验证此处阻塞,停止注水,拔出注水针头。将环钻留在泪道中。(三)环切阻塞物和置硅胶管。合体探针验证泪道阻塞后,用环钻前端环形刀口环形切除阻塞物,使泪道畅通。之后,再次注水验证,确定证实泪管畅通。此时,将下置硅胶软管经环钻尾部插入环钻内,从环钻刀口穿出至鼻部下鼻道,用器械从鼻孔引出后,再拔出套在下置管外的环钻,留硅胶软管于下泪道中,并使下置管尾端连接线留在下泪小点外部。下置管植入完成。下置管植入完成后,将上置管内部穿上球后注射针头,从上泪小点插入,经上泪管、总泪管、泪囊至鼻泪管,连接注射器,注水,验证上置管已放置于鼻泪管中,然后拔出球后针头,经鼻孔取出上置硅胶软管,完成上置管植入。之后,调整好置管位置,用胶布将上、下置管前端固定在鼻孔下。再将上、下置管的尾端连接线打结,留在睑裂鼻侧(附图6)。完成泪道通畅手术。术后,前三天和每周可上下活动或转动置管,减少粘连,一个月后拔管。(四)主要优点。采用本系统手术,优点较明显:合体探针探入→探明阻塞物→注水验证阻塞→环钻环切阻塞物→注水验证通畅→置入下置管,以上步骤在一个管道系统完成,操作简单方便,提高了手术成功率,避免了器械重复插入泪道给组织造成损伤;带保护芯的环钻,既能当探针使用,又可拔出保护芯,即可当环钻刀使用,这样,使手术没有皮肤切口,又可彻底环切泪道任何部位的阻塞物;将置管分为上下两根置管,尾部用连接线打结,不容易将泪小点撑裂,置管也不易从睑裂中窜出;环切准确方便,成功率高,从而保证了治疗效果,避免多次治疗损伤组织;术后,可以方便地活动植入泪道的硅胶软管,避免了置管长时间植入所导致的与组织发生的粘连。
附图说明
图1为合体探针剖面结构示意图
图2为环钻剖面示意图
图3为环钻刀口保护芯示意图
图4为下置管示意图
图5为上置管剖面示意图
图6为上、下置管尾端连接线打结示意图

Claims (3)

1.泪道环钻畅通置管系统,用于医学领域中,治疗眼科泪道阻塞微创手术。其特征有:本系统由合体探针和置管两部分构成;合体探针,由环钻和环钻刀口保护芯组成;置管由下置管和上置管组成。
2.根据权利要求1所述的泪道环钻畅通置管系统,其特征在于,合体探针由环钻和环钻刀口保护芯组成,环钻,为一根空心的金属管,前端为环形的钻刀口;环钻刀口保护芯,为实心圆柱金属杆,直径与环钻的内径相等,顶部为半球体,半球体突出于环钻刀口处,形成合体探针的半球形探头,起到保护环刀口作用,避免合体探针探通泪道时,损伤泪道组织;保护芯尾端为梯形插扣,起到锁定环钻作用,防止环钻刀口上下窜动,避免环刀口突出于保护芯前端,损失组织。
3.根据权利要求1所述的泪道环钻畅通置管系统,其特征在于,置管由下置管和上置管组成,下置管为一根直径等于环钻内径的实心硅胶软管,尾端带一根连接线;上置管为一根两端为盲端空心硅胶软管,管体前端等距离开设3个小孔,尾端也带有一根连接线。
CN201710041325.8A 2017-01-20 2017-01-20 泪道环钻畅通置管系统 Pending CN108324424A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111904711A (zh) * 2020-07-15 2020-11-10 中国人民解放军陆军军医大学第二附属医院 一种泪道疏通用手动旋切装置
CN111920578A (zh) * 2020-06-03 2020-11-13 永康市第一人民医院 一种泪道检查治疗器械
CN111920577A (zh) * 2020-06-03 2020-11-13 永康市第一人民医院 泪道瓣膜探通扩张器械

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111920578A (zh) * 2020-06-03 2020-11-13 永康市第一人民医院 一种泪道检查治疗器械
CN111920577A (zh) * 2020-06-03 2020-11-13 永康市第一人民医院 泪道瓣膜探通扩张器械
CN111920577B (zh) * 2020-06-03 2022-07-15 永康市第一人民医院 泪道瓣膜探通扩张器械
CN111904711A (zh) * 2020-07-15 2020-11-10 中国人民解放军陆军军医大学第二附属医院 一种泪道疏通用手动旋切装置

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Application publication date: 20180727