WO2008042229A3 - Implant-catheter attachment mechanism using snare and method of use - Google Patents

Implant-catheter attachment mechanism using snare and method of use Download PDF

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Publication number
WO2008042229A3
WO2008042229A3 PCT/US2007/020876 US2007020876W WO2008042229A3 WO 2008042229 A3 WO2008042229 A3 WO 2008042229A3 US 2007020876 W US2007020876 W US 2007020876W WO 2008042229 A3 WO2008042229 A3 WO 2008042229A3
Authority
WO
WIPO (PCT)
Prior art keywords
snare
systems
delivery
securement
pfo
Prior art date
Application number
PCT/US2007/020876
Other languages
French (fr)
Other versions
WO2008042229A2 (en
Inventor
Ryan Cahill
Original Assignee
Nmt Medical Inc
Ryan Cahill
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 Nmt Medical Inc, Ryan Cahill filed Critical Nmt Medical Inc
Publication of WO2008042229A2 publication Critical patent/WO2008042229A2/en
Publication of WO2008042229A3 publication Critical patent/WO2008042229A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
    • A61B2017/00592—Elastic or resilient implements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
    • A61B2017/00606—Implements H-shaped in cross-section, i.e. with occluders on both sides of the opening
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
    • A61B2017/00619—Locking means for locking the implement in expanded state
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
    • A61B2017/00623—Introducing or retrieving devices therefor
    • 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

Abstract

Devices, delivery systems and delivery techniques for an occlusion device for the closure of physical anomalies, such as an atrial septal defect, a patent foramen ovale (PFO), and other septal and vascular defects are described. The devices, delivery systems and delivery techniques relate particularly to, but are not limited to, a patent foramen ovale (PFO) occluder made from a polymer tube. The securement systems enable the deployment (and retrieval) of the device. In one aspect, the second securement system employs a snare connection. The snare connection may have various configurations, including a single snare, double snare, and double criss-cross snare. The securement systems are detached when the device has been properly positioned. The securement systems can be manipulated by control systems provided in the control portion of the delivery system.
PCT/US2007/020876 2006-09-28 2007-09-27 Implant-catheter attachment mechanism using snare and method of use WO2008042229A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84770306P 2006-09-28 2006-09-28
US60/847,703 2006-09-28

Publications (2)

Publication Number Publication Date
WO2008042229A2 WO2008042229A2 (en) 2008-04-10
WO2008042229A3 true WO2008042229A3 (en) 2008-08-07

Family

ID=39268978

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/020876 WO2008042229A2 (en) 2006-09-28 2007-09-27 Implant-catheter attachment mechanism using snare and method of use

Country Status (2)

Country Link
US (1) US8992545B2 (en)
WO (1) WO2008042229A2 (en)

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