JP6647891B2 - 網膜血管血栓除去用器具 - Google Patents
網膜血管血栓除去用器具 Download PDFInfo
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- JP6647891B2 JP6647891B2 JP2016018614A JP2016018614A JP6647891B2 JP 6647891 B2 JP6647891 B2 JP 6647891B2 JP 2016018614 A JP2016018614 A JP 2016018614A JP 2016018614 A JP2016018614 A JP 2016018614A JP 6647891 B2 JP6647891 B2 JP 6647891B2
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- Prior art keywords
- linear body
- needle tube
- slide
- retinal
- blood vessel
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/70—Manipulators specially adapted for use in surgery
- A61B34/72—Micromanipulators
-
- 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
- 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
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22038—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with a guide wire
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22072—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other
- A61B2017/22074—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other the instrument being only slidable in a channel, e.g. advancing optical fibre through a channel
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Robotics (AREA)
- Surgical Instruments (AREA)
Description
また、網膜動静脈交叉部での網膜血管鞘切開は、静脈への動脈の圧迫を解除しているのみであり、静脈内の血栓を除去することはできなかった。
網膜動脈閉塞症に対しては、眼球マッサージ、血管拡張剤や血栓溶解剤の投与、前房穿刺では、血管内にできた血栓を多少動かすことはできても取り除くことは難しかった。
2 把持部
3 眼内挿入部
5 針管
7 線状体部
11 スライド操作部
17 スライド孔
18 操作体
19 補強部
Claims (6)
- 網膜の血管内の血栓を除去するための眼科用手術器具であって、
使用者が把持する把持部と、
前記把持部の先端に設けられた、眼内に挿入される、管状部材で構成された眼内挿入部と、
前記眼内挿入部の先端に設けられた、網膜の血管内に挿入される針管と、
前記眼内挿入部及び前記針管に内挿された、軸方向にスライド移動可能な、中実な円柱であり、先端面が丸みを帯びた形状である線状体部と、
前記把持部に設けられた操作体とからなり、
前記操作体を操作して前記線状体部を軸方向にスライド移動させることにより、前記線状体部を前記針管の先端から出没可能に構成した突出長調整手段を備えていることを特徴とする器具。 - 前記操作体として、前記把持部の側壁に前後方向に延びるスライド孔を形成すると共に前記スライド孔にスライド操作部を配設し、前記スライド操作部をスライド操作することにより、前記線状体部を軸方向にスライド移動させることを特徴とする請求項1に記載の器具。
- 前記針管が、湾曲していることを特徴とする請求項1または2に記載の器具。
- 前記線状体部と一体として移動する補強部を有し、前記補強部が前記操作体と連結していることを特徴とする請求項1〜3のいずれかに記載の器具。
- 前記線状体部が、血管の湾曲形状に応じて弾性的に湾曲することを特徴とする請求項1〜4のいずれかに記載の器具。
- 前記線状体部がニチノールで形成されていることを特徴とする請求項1〜5のいずれかに記載の器具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016018614A JP6647891B2 (ja) | 2016-02-03 | 2016-02-03 | 網膜血管血栓除去用器具 |
US15/376,088 US20170215898A1 (en) | 2016-02-03 | 2016-12-12 | Device for removing a thrombus from a retinal vessel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016018614A JP6647891B2 (ja) | 2016-02-03 | 2016-02-03 | 網膜血管血栓除去用器具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017136193A JP2017136193A (ja) | 2017-08-10 |
JP6647891B2 true JP6647891B2 (ja) | 2020-02-14 |
Family
ID=59385283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016018614A Active JP6647891B2 (ja) | 2016-02-03 | 2016-02-03 | 網膜血管血栓除去用器具 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20170215898A1 (ja) |
JP (1) | JP6647891B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110151395A (zh) * | 2018-02-13 | 2019-08-23 | 南京医科大学第一附属医院 | 眼科手术器具 |
DE102018215965A1 (de) * | 2018-09-19 | 2020-03-19 | Geuder Ag | Instrument zum intraokularen Eingriff |
CN112451042B (zh) * | 2020-11-20 | 2021-08-03 | 上海心玮医疗科技股份有限公司 | 一种径向可调节取栓装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9592151B2 (en) * | 2013-03-15 | 2017-03-14 | Glaukos Corporation | Systems and methods for delivering an ocular implant to the suprachoroidal space within an eye |
-
2016
- 2016-02-03 JP JP2016018614A patent/JP6647891B2/ja active Active
- 2016-12-12 US US15/376,088 patent/US20170215898A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2017136193A (ja) | 2017-08-10 |
US20170215898A1 (en) | 2017-08-03 |
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