DE69233585D1 - Lenkbare Kanüle - Google Patents

Lenkbare Kanüle

Info

Publication number
DE69233585D1
DE69233585D1 DE69233585T DE69233585T DE69233585D1 DE 69233585 D1 DE69233585 D1 DE 69233585D1 DE 69233585 T DE69233585 T DE 69233585T DE 69233585 T DE69233585 T DE 69233585T DE 69233585 D1 DE69233585 D1 DE 69233585D1
Authority
DE
Germany
Prior art keywords
cannula
straightener
elastic member
bending
steerable cannula
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.)
Expired - Lifetime
Application number
DE69233585T
Other languages
English (en)
Other versions
DE69233585T2 (de
Inventor
Lee M Middleman
Walter R Pyka
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.)
Medtronic Inc
Original Assignee
Medtronic Inc
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 Medtronic Inc filed Critical Medtronic Inc
Publication of DE69233585D1 publication Critical patent/DE69233585D1/de
Application granted granted Critical
Publication of DE69233585T2 publication Critical patent/DE69233585T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
    • 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
    • A61B1/00163—Optical arrangements
    • A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
    • 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
    • A61B1/005—Flexible endoscopes
    • A61B1/0058—Flexible endoscopes using shape-memory elements
    • 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
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/003—Steerable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/003—Steerable
    • A61B2017/00318—Steering mechanisms
    • A61B2017/00331—Steering mechanisms with preformed bends
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00867—Material properties shape memory effect
    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
    • A61M2025/015—Details of the distal fixation of the movable mechanical means
    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0141—Tip steering devices having flexible regions as a result of using materials with different mechanical properties
DE69233585T 1991-02-15 1992-02-14 Lenkbare Kanüle Expired - Lifetime DE69233585T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US656261 1991-02-15
US07/656,261 US5231989A (en) 1991-02-15 1991-02-15 Steerable cannula

Publications (2)

Publication Number Publication Date
DE69233585D1 true DE69233585D1 (de) 2006-01-26
DE69233585T2 DE69233585T2 (de) 2006-08-24

Family

ID=24632305

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69231804T Expired - Lifetime DE69231804T2 (de) 1991-02-15 1992-02-14 Lenkbare kanüle
DE69233585T Expired - Lifetime DE69233585T2 (de) 1991-02-15 1992-02-14 Lenkbare Kanüle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69231804T Expired - Lifetime DE69231804T2 (de) 1991-02-15 1992-02-14 Lenkbare kanüle

Country Status (8)

Country Link
US (2) US5231989A (de)
EP (2) EP1072280B1 (de)
JP (1) JP3394535B2 (de)
AT (1) ATE200738T1 (de)
AU (1) AU1429492A (de)
CA (1) CA2101168A1 (de)
DE (2) DE69231804T2 (de)
WO (1) WO1992014506A1 (de)

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JPH06505188A (ja) 1994-06-16
EP0571531B1 (de) 2001-04-25
CA2101168A1 (en) 1992-08-16
EP1072280B1 (de) 2005-12-21
ATE200738T1 (de) 2001-05-15
EP0571531A4 (de) 1994-01-19
DE69231804D1 (de) 2001-05-31
AU1429492A (en) 1992-09-15
DE69233585T2 (de) 2006-08-24
DE69231804T2 (de) 2001-08-09
WO1992014506A1 (en) 1992-09-03
US5231989A (en) 1993-08-03
JP3394535B2 (ja) 2003-04-07
US5345937A (en) 1994-09-13
EP1072280A2 (de) 2001-01-31
EP0571531A1 (de) 1993-12-01
EP1072280A3 (de) 2003-10-22

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