JP7286657B2 - 涙道内挿管システム - Google Patents
涙道内挿管システム Download PDFInfo
- Publication number
- JP7286657B2 JP7286657B2 JP2020538264A JP2020538264A JP7286657B2 JP 7286657 B2 JP7286657 B2 JP 7286657B2 JP 2020538264 A JP2020538264 A JP 2020538264A JP 2020538264 A JP2020538264 A JP 2020538264A JP 7286657 B2 JP7286657 B2 JP 7286657B2
- Authority
- JP
- Japan
- Prior art keywords
- lacrimal
- tube
- tubular member
- optical waveguide
- endoscope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F9/00—Methods 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
- A61F9/007—Methods or devices for eye surgery
- A61F9/00772—Apparatus for restoration of tear ducts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/32—Devices for opening or enlarging the visual field, e.g. of a tube of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F9/00—Methods 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
- A61F9/007—Methods or devices for eye surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0612—Eyes
Description
一方側および他方側に形成されている筒状部は、それぞれ、涙道チューブの遠近方向の位置を特定するための目盛を有していることが好ましい。
10:涙道チューブ
10A:第1区間
10B:第2区間
10C:中央区間
10D:涙道チューブの一方端
10AP:第1区間の近位端面
10BP:第2区間の近位端面
11:開口
12:挿入口
20:内視鏡
20A:内視鏡の遠位端
21:光導波部
21A:光導波部の遠位端
21B:光導波部の近位端
22:屈曲部
23:大径部
24:対物レンズ
25:照明レンズ
26:注液チャンネル
27:外筒
28:操作部
30:筒状部材
31:筒状部材
30A:筒状部材の遠位端
30B:筒状部材の近位端
32:溝
40:固定部材
50:涙道
51:涙点
52:涙小管
53:涙嚢
54:鼻涙管
55:筒状部
56:中央部
57:目盛
Claims (10)
- 一方側と他方側を有し、該一方側と該他方側の双方が涙道内に挿管される涙道チューブと、
遠位側と近位側を有する内視鏡であって、前記近位側から前記遠位側へ向かう方向に延在している光導波部を有し、該光導波部が前記涙道チューブの内腔に挿通される内視鏡と、
前記光導波部を内包している筒状部材と、を有し、
前記筒状部材が、ポリイミド系樹脂、フッ素系樹脂、ポリエチレン系樹脂、ポリアミド系樹脂のうち少なくとも一種を含んでいることを特徴とする涙道内挿管システム。 - 前記筒状部材が、前記涙道チューブの内腔に配置されている請求項1に記載のシステム。
- 前記光導波部の遠位端が、前記筒状部材の遠位端よりも遠位側に配置されている請求項1または2に記載のシステム。
- 前記涙道チューブは、前記内視鏡に対して遠位側または近位側に移動し、
前記筒状部材は、前記内視鏡に対して遠位側または近位側に移動しないものである請求項1~3のいずれか一項に記載のシステム。 - 前記筒状部材の遠位端では、前記筒状部材の径方向における前記筒状部材と前記光導波部の隙間が、前記筒状部材と前記涙道チューブの隙間に対して0.5倍以上2倍以下の広さを有している請求項1~4のいずれか一項に記載のシステム。
- 前記光導波部の遠位端が、前記涙道チューブの一方端または他方端よりも遠位側に配置されている請求項1~5のいずれか一項に記載のシステム。
- 前記筒状部材の近位端が、前記光導波部の近位端に揃えて配置されている請求項1~6のいずれか一項に記載のシステム。
- 前記筒状部材の近位端が、前記光導波部の近位端よりも遠位側に配置されている請求項1~6のいずれか一項に記載のシステム。
- 前記光導波部の少なくとも一部が、金属から構成されている請求項1~8のいずれか一項に記載のシステム。
- 前記涙道チューブは、一方側および他方側にそれぞれ形成されている筒状部と、一方側の該筒状部と他方側の該筒状部との間の中央部とを有しており、
一方側および他方側に形成されている筒状部は、それぞれ、前記近位側から前記遠位側に向かう方向における前記涙道チューブの位置を特定するための目盛を有している請求項1~9のいずれか一項に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018157488 | 2018-08-24 | ||
JP2018157488 | 2018-08-24 | ||
PCT/JP2019/030008 WO2020039866A1 (ja) | 2018-08-24 | 2019-07-31 | 涙道内挿管システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020039866A1 JPWO2020039866A1 (ja) | 2021-08-10 |
JP7286657B2 true JP7286657B2 (ja) | 2023-06-05 |
Family
ID=69592812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020538264A Active JP7286657B2 (ja) | 2018-08-24 | 2019-07-31 | 涙道内挿管システム |
Country Status (3)
Country | Link |
---|---|
US (1) | US20210275354A1 (ja) |
JP (1) | JP7286657B2 (ja) |
WO (1) | WO2020039866A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111202626B (zh) * | 2020-03-13 | 2023-11-10 | 潍坊眼科医院有限责任公司 | 一种泪小管结石清除装置及清除泪小管结石的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4658816A (en) | 1984-11-14 | 1987-04-21 | Concept Incorporated | Lighted canaliculus intubation sets |
JP2006181054A (ja) | 2004-12-27 | 2006-07-13 | Sugimoto Ganka Iin | 涙道内挿管器具 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4273109A (en) * | 1976-07-06 | 1981-06-16 | Cavitron Corporation | Fiber optic light delivery apparatus and medical instrument utilizing same |
US4305395A (en) * | 1979-07-30 | 1981-12-15 | Concept, Inc. | Method of positioning tubing in lacrimal ducts and intubation set therefor |
US4317003A (en) * | 1980-01-17 | 1982-02-23 | Gray Stanley J | High tensile multiple sheath cable |
US4921326A (en) * | 1989-03-23 | 1990-05-01 | Victor F. Wild | Fiber optic probe |
US5437625A (en) * | 1992-04-06 | 1995-08-01 | Kurihashi; Katsuaki | Apparatus for intubation of lacrimal drainage pathway |
DE19520277C1 (de) * | 1995-06-02 | 1996-11-21 | Winter & Ibe Olympus | Endoskopisches Instrument |
EP2807993A4 (en) * | 2012-01-26 | 2015-09-23 | Kaneka Corp | TUBE FOR LACRYMAL TRACKS |
US10058451B2 (en) * | 2013-01-24 | 2018-08-28 | Kaneka Corporation | Lacrimal duct tube |
WO2015111553A1 (ja) * | 2014-01-22 | 2015-07-30 | 株式会社カネカ | 涙道チューブ |
-
2019
- 2019-07-31 WO PCT/JP2019/030008 patent/WO2020039866A1/ja active Application Filing
- 2019-07-31 US US17/261,276 patent/US20210275354A1/en active Pending
- 2019-07-31 JP JP2020538264A patent/JP7286657B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4658816A (en) | 1984-11-14 | 1987-04-21 | Concept Incorporated | Lighted canaliculus intubation sets |
JP2006181054A (ja) | 2004-12-27 | 2006-07-13 | Sugimoto Ganka Iin | 涙道内挿管器具 |
Also Published As
Publication number | Publication date |
---|---|
US20210275354A1 (en) | 2021-09-09 |
JPWO2020039866A1 (ja) | 2021-08-10 |
WO2020039866A1 (ja) | 2020-02-27 |
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