DE10168535T1 - Zusammengesetzte Ophthalmische Mikrokanuele - Google Patents

Zusammengesetzte Ophthalmische Mikrokanuele Download PDF

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Publication number
DE10168535T1
DE10168535T1 DE10168535T DE10168535T DE10168535T1 DE 10168535 T1 DE10168535 T1 DE 10168535T1 DE 10168535 T DE10168535 T DE 10168535T DE 10168535 T DE10168535 T DE 10168535T DE 10168535 T1 DE10168535 T1 DE 10168535T1
Authority
DE
Germany
Prior art keywords
microcannula
distal tip
light
schlemm
canal
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.)
Pending
Application number
DE10168535T
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English (en)
Inventor
Jeffrey Christian
David J. Kupiecki
Stanley R. Conston
John Mckenzie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iscience Interventional Corp
Original Assignee
Iscience Interventional Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Iscience Interventional Corp filed Critical Iscience Interventional Corp
Publication of DE10168535T1 publication Critical patent/DE10168535T1/de
Pending legal-status Critical Current

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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
    • A61F9/00781—Apparatus for modifying intraocular pressure, e.g. for glaucoma treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M2025/0042—Microcatheters, cannula or the like having outside diameters around 1 mm or less
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids

Abstract

Mikrokanüle für eine 360° Kanülierung des Schlemm-Kanals eines Auges mit:
einem flexiblen länglichen Element mit einem Verbinder an dem proximalen Ende, einer distalen Spitze und einem Kommunikationskanal dazwischen und mit einem Außendurchmesser von nicht mehr als 350 μm,
wobei der Kommunikationskanal ein Lichtwellenleiter zum Transport von Lichtenergie ist,
wobei der Verbinder zum Verbinden mit einer Lichtquelle und zum Bereitstellen einer Quelle für sichtbares Licht an der distalen Spitze dient und
wobei die distale Spitze abgerundet ist.

Claims (7)

  1. Mikrokanüle für eine 360° Kanülierung des Schlemm-Kanals eines Auges mit: einem flexiblen länglichen Element mit einem Verbinder an dem proximalen Ende, einer distalen Spitze und einem Kommunikationskanal dazwischen und mit einem Außendurchmesser von nicht mehr als 350 μm, wobei der Kommunikationskanal ein Lichtwellenleiter zum Transport von Lichtenergie ist, wobei der Verbinder zum Verbinden mit einer Lichtquelle und zum Bereitstellen einer Quelle für sichtbares Licht an der distalen Spitze dient und wobei die distale Spitze abgerundet ist.
  2. Mikrokanüle nach Anspruch 1, wobei die Biegesteifigkeit weniger als 7,5·10–10 kN·m2 beträgt.
  3. Mikrokanüle nach Anspruch 1, wobei die Biegesteifigkeit weniger als 2,86·10–10 kN·m2 beträgt.
  4. Mikrokanüle nach Anspruch 1, wobei, wenn Licht zu der abgerundeten Spitze geleitet wird, die abgerundete Spitze dahingehend wirkt, das Licht für eine bessere Visualisierung außerhalb der optischen Achse zu verteilen.
  5. Mikrokanüle nach Anspruch 1, die weiter eine schlüpfrige äußere Beschichtung aufweist.
  6. Mikrokanüle nach Anspruch 1, wobei das flexible längliche Element innerhalb einer Polymerröhre enthalten ist.
  7. Verfahren zum Platzieren der Mikrokanüle nach Anspruch 1 um den vollen Umfang des Schlemm-Kanals des Auges, wobei das Verfahren die Schritte aufweist: (a) Einsetzen der Mikrokanüle in eine Dissektion zu dem Schlemm-Kanal, (b) Aktivieren einer Signallichtquelle, die es ermöglicht, eine Position einer distalen Spitze der Mikrokanüle zu identifizieren, (c) Identifizieren der Position der distalen Spitze der Mikrokanüle, indem die Position der Quelle des Lichtsignals durch die Sklera lokalisiert wird, (d) und Vorschieben der Mikrokanüle entlang des Schlemm-Kanals.
DE10168535T 2004-01-23 2005-01-24 Zusammengesetzte Ophthalmische Mikrokanuele Pending DE10168535T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53862504P 2004-01-23 2004-01-23
US538625P 2004-01-23
PCT/US2005/002603 WO2005070490A2 (en) 2004-01-23 2005-01-24 Composite ophthalmic microcannula

Publications (1)

Publication Number Publication Date
DE10168535T1 true DE10168535T1 (de) 2011-03-17

Family

ID=34807201

Family Applications (2)

Application Number Title Priority Date Filing Date
DE602005025599T Active DE602005025599D1 (de) 2004-01-23 2005-01-24 Zusammengesetzte ophthalmische mikrokanüle
DE10168535T Pending DE10168535T1 (de) 2004-01-23 2005-01-24 Zusammengesetzte Ophthalmische Mikrokanuele

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE602005025599T Active DE602005025599D1 (de) 2004-01-23 2005-01-24 Zusammengesetzte ophthalmische mikrokanüle

Country Status (16)

Country Link
US (3) US7207980B2 (de)
EP (2) EP1715827B1 (de)
JP (2) JP5064806B2 (de)
KR (2) KR20120039700A (de)
CN (1) CN1909859B (de)
AT (1) ATE493097T1 (de)
AU (1) AU2005206212A1 (de)
CA (1) CA2554257C (de)
DE (2) DE602005025599D1 (de)
DK (1) DK1715827T3 (de)
ES (2) ES2358908T3 (de)
HK (2) HK1095260A1 (de)
PL (1) PL1715827T3 (de)
PT (2) PT1715827E (de)
SG (2) SG183072A1 (de)
WO (1) WO2005070490A2 (de)

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