WO2003080167A3 - Microcatheter having tip relief region - Google Patents

Microcatheter having tip relief region Download PDF

Info

Publication number
WO2003080167A3
WO2003080167A3 PCT/US2003/010084 US0310084W WO03080167A3 WO 2003080167 A3 WO2003080167 A3 WO 2003080167A3 US 0310084 W US0310084 W US 0310084W WO 03080167 A3 WO03080167 A3 WO 03080167A3
Authority
WO
WIPO (PCT)
Prior art keywords
microcatheter
relief region
tip relief
tip
cut
Prior art date
Application number
PCT/US2003/010084
Other languages
French (fr)
Other versions
WO2003080167A2 (en
Inventor
Lucas Latini
Original Assignee
Biocure Inc
Lucas Latini
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 Biocure Inc, Lucas Latini filed Critical Biocure Inc
Priority to EP03721517A priority Critical patent/EP1490139A4/en
Priority to AU2003224823A priority patent/AU2003224823A1/en
Publication of WO2003080167A2 publication Critical patent/WO2003080167A2/en
Publication of WO2003080167A3 publication Critical patent/WO2003080167A3/en

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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/008—Strength or flexibility characteristics of the catheter tip
    • 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
    • A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
    • 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
    • A61M25/0138—Tip steering devices having flexible regions as a result of weakened outer material, e.g. slots, slits, cuts, joints or coils

Abstract

A microcatheter (10) having a distal end with a tip relief region (18) comprising at least one spiral cut, preferably a full thickness cut, and preferably having decreasing pitch towards the distal tip (18). The microcatheter (10) is preferably made of medical grade superelastic nitinol. The microcatheter (10) can be used alone or as one catheter in a dual lumen microcatheter assembly (40).
PCT/US2003/010084 2002-03-19 2003-03-19 Microcatheter having tip relief region WO2003080167A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03721517A EP1490139A4 (en) 2002-03-19 2003-03-19 Microcatheter having tip relief region
AU2003224823A AU2003224823A1 (en) 2002-03-19 2003-03-19 Microcatheter having tip relief region

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US36594602P 2002-03-19 2002-03-19
US60/365,946 2002-03-19
US37036102P 2002-04-05 2002-04-05
US60/370,361 2002-04-05

Publications (2)

Publication Number Publication Date
WO2003080167A2 WO2003080167A2 (en) 2003-10-02
WO2003080167A3 true WO2003080167A3 (en) 2004-03-11

Family

ID=28457123

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/010084 WO2003080167A2 (en) 2002-03-19 2003-03-19 Microcatheter having tip relief region

Country Status (3)

Country Link
EP (1) EP1490139A4 (en)
AU (1) AU2003224823A1 (en)
WO (1) WO2003080167A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005063321A2 (en) * 2003-12-23 2005-07-14 Cytyc Corporation Medical instrument for accessing a breast duct for performing a medical procedure and methods thereof
US20050283179A1 (en) * 2004-06-17 2005-12-22 Lentz David J Introducer sheath
US20060258987A1 (en) * 2005-05-10 2006-11-16 Cook Incorporated Catheter stiffening member
US8257314B2 (en) 2005-11-16 2012-09-04 Cook Medical Technologies Llc Spiral shaft catheter
EP2722068A1 (en) 2008-04-08 2014-04-23 Karolinska Institutet Innovations AB Endoluminal medical access device
US20090318892A1 (en) * 2008-06-20 2009-12-24 Maria Aboytes Removable Core Implant Delivery Catheter
EP3677293A1 (en) * 2009-01-12 2020-07-08 Becton, Dickinson and Company In-dwelling rigid catheter with flexible features
WO2012004165A1 (en) 2010-07-08 2012-01-12 Karolinska Institutet Innovations Ab Novel endoluminal medical access device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5437288A (en) * 1992-09-04 1995-08-01 Mayo Foundation For Medical Education And Research Flexible catheter guidewire
US5843050A (en) * 1995-11-13 1998-12-01 Micro Therapeutics, Inc. Microcatheter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5437288A (en) * 1992-09-04 1995-08-01 Mayo Foundation For Medical Education And Research Flexible catheter guidewire
US5843050A (en) * 1995-11-13 1998-12-01 Micro Therapeutics, Inc. Microcatheter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1490139A4 *

Also Published As

Publication number Publication date
AU2003224823A1 (en) 2003-10-08
WO2003080167A2 (en) 2003-10-02
EP1490139A4 (en) 2010-01-20
EP1490139A2 (en) 2004-12-29

Similar Documents

Publication Publication Date Title
CA2361720A1 (en) Catheter with spiral cut transition member
USD533270S1 (en) Introducer cannula and cannula straightener
WO2006002192A3 (en) Triple lumen catheter with occlusion resistant tip
WO2002058776A3 (en) Multi-lumen catheter with attachable hub
WO2008076931A3 (en) Medical device including structure for crossing an occlusion in a vessel
WO2002049704A3 (en) Guidewire with tapered distal coil
ATE458520T1 (en) INTRAVASCULAR MICROCATHETER WITH CENTRAL PROXIMAL SHAFT WITH A CONNECTOR
WO2004087018A3 (en) Double ended intravascular medical device
WO2004075964A3 (en) Multiple diameter guidewire
WO2004110300A3 (en) Deformable tools and implants
WO2002096495A3 (en) Catheter having a low drag septum
WO2004062458A3 (en) Trans-luminal surgical device
WO2003074104A3 (en) Thrombectomy catheter
ATE290814T1 (en) ARTERIAL CANNULA COMPRISING AN INTRODUCER WITH A CUTTING ELEMENT
WO2003084592A3 (en) Catheter and guide wire exchange system
ATE291880T1 (en) HIGH PERFORMANCE CANNULAES
ATE466615T1 (en) ELONGATED INTRACORPORAL MEDICAL DEVICE
PL1651121T3 (en) High performance cannulas
WO2003030982A3 (en) Composite guidewire
WO2004026384A3 (en) Catheter with improved transition section
WO2003002180A3 (en) Catheter system having disposable balloon
WO2003011360A3 (en) Epidural catheter needle
WO2006033806A3 (en) Guiding catheter with embolic protection by proximal occlusion
WO2004054652A3 (en) Distal protection guidewire with nizinol core
WO2009100129A3 (en) Crossing occlusions in blood vessels

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SC SD SE SG SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2003721517

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 2003721517

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Country of ref document: JP