WO1999012489A3 - Expandable vein ligator catheter and method of use - Google Patents

Expandable vein ligator catheter and method of use Download PDF

Info

Publication number
WO1999012489A3
WO1999012489A3 PCT/US1998/019181 US9819181W WO9912489A3 WO 1999012489 A3 WO1999012489 A3 WO 1999012489A3 US 9819181 W US9819181 W US 9819181W WO 9912489 A3 WO9912489 A3 WO 9912489A3
Authority
WO
WIPO (PCT)
Prior art keywords
vein
catheter
anatomical structure
leads
energy
Prior art date
Application number
PCT/US1998/019181
Other languages
French (fr)
Other versions
WO1999012489A2 (en
Inventor
Christopher S Jones
Brian E Farley
Douglas M Petty
Mark P Parker
Joseph M Tartaglia
Dawn A Henderson
Arthur W Zikorus
Original Assignee
Vnus Med Tech 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
Priority claimed from US08/927,251 external-priority patent/US6200312B1/en
Priority to EP98948228A priority Critical patent/EP1035796A2/en
Priority to BR9814738-2A priority patent/BR9814738A/en
Priority to IL13500898A priority patent/IL135008A0/en
Priority to CA002303021A priority patent/CA2303021C/en
Priority to JP2000510391A priority patent/JP4131609B2/en
Application filed by Vnus Med Tech Inc filed Critical Vnus Med Tech Inc
Priority to AU94845/98A priority patent/AU740000B2/en
Priority to NZ503367A priority patent/NZ503367A/en
Publication of WO1999012489A2 publication Critical patent/WO1999012489A2/en
Publication of WO1999012489A3 publication Critical patent/WO1999012489A3/en
Priority to IL135008A priority patent/IL135008A/en
Priority to NO20001267A priority patent/NO328108B1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • 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
    • A61B2017/22051—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 inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
    • 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
    • A61B2017/22051—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 inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
    • A61B2017/22065—Functions of balloons
    • A61B2017/22067—Blocking; Occlusion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
    • A61B2018/0022—Balloons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345—Vascular system
    • A61B2018/00404—Blood vessels other than those in or around the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00482—Digestive system
    • A61B2018/00488—Esophagus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00589—Coagulation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00898—Alarms or notifications created in response to an abnormal condition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A61B2018/124—Generators therefor switching the output to different electrodes, e.g. sequentially
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A61B2018/1246—Generators therefor characterised by the output polarity
    • A61B2018/1253—Generators therefor characterised by the output polarity monopolar
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A61B2018/1246—Generators therefor characterised by the output polarity
    • A61B2018/126—Generators therefor characterised by the output polarity bipolar
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/378—Surgical systems with images on a monitor during operation using ultrasound
    • A61B2090/3782—Surgical systems with images on a monitor during operation using ultrasound transmitter or receiver in catheter or minimal invasive instrument
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002—Irrigation

Abstract

A catheter (10) includes a plurality of primary leads (30) to deliver energy for ligating a hollow anatomical structure (52). Each of the primary leads (30) includes an electrode (34) located at the working end (15) of the catheter (10). Separation is maintained between the primary leads (30) such that each primary lead (30) can individually receive power of selected polarity. The primary leads (30) are constructed to expand outwardly to place the electrodes (34) into apposition with a hollow anatomical structure (52). High frequency energy can be applied from the leads (30) to create a heating effect in the surrounding tissue of the anatomical structure (52). The diameter of the hollow anatomical structure (52) is reduced by the heating effect, and the electrodes (34) of the primary leads (30) are moved closer to one another. Where the hollow anatomical structure is a vein (52), energy is applied until the diameter of the vein (52) is reduced to the point where the vein (52) is occluded. In one embodiment, a balloon (64) is inflated to occlude the structure before the application of energy. Where the structure is a vein (52), the inflated balloon (64) obstructs blood flow and facilitates the infusion of saline, medication, or a high-impedance fluid to the vein (52) in order to reduce the occurrence of coagulation and to improve the heating of the vein by the catheter (10). The catheter (10) can include a lumen (49) to accommodate a guide wire (53) or to allow fluid delivery.
PCT/US1998/019181 1997-09-11 1998-09-11 Expandable vein ligator catheter and method of use WO1999012489A2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NZ503367A NZ503367A (en) 1997-09-11 1998-09-11 Expandable vein ligator catheter and method of use
BR9814738-2A BR9814738A (en) 1997-09-11 1998-09-11 Expandable vein connection catheter and process of use
IL13500898A IL135008A0 (en) 1997-09-11 1998-09-11 Expandable ligator catheter having multiple electrode leads, and method of use
CA002303021A CA2303021C (en) 1997-09-11 1998-09-11 Expandable ligator catheter having multiple electrode leads, and method
JP2000510391A JP4131609B2 (en) 1997-09-11 1998-09-11 Expandable venous ligation catheter
EP98948228A EP1035796A2 (en) 1997-09-11 1998-09-11 Expandable vein ligator catheter and method of use
AU94845/98A AU740000B2 (en) 1997-09-11 1998-09-11 Expandable vein ligator catheter and method of use
IL135008A IL135008A (en) 1997-09-11 2000-03-09 Expandable catheter for ligating hollow body vessels
NO20001267A NO328108B1 (en) 1997-09-11 2000-03-10 Expandable catheter for venous binding

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/927,251 US6200312B1 (en) 1997-09-11 1997-09-11 Expandable vein ligator catheter having multiple electrode leads
US08/927,251 1997-09-11
US08/958,766 US6165172A (en) 1997-09-11 1997-10-26 Expandable vein ligator catheter and method of use
US08/958,766 1997-10-26

Publications (2)

Publication Number Publication Date
WO1999012489A2 WO1999012489A2 (en) 1999-03-18
WO1999012489A3 true WO1999012489A3 (en) 1999-06-17

Family

ID=27129940

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/019181 WO1999012489A2 (en) 1997-09-11 1998-09-11 Expandable vein ligator catheter and method of use

Country Status (13)

Country Link
US (6) US6401719B1 (en)
EP (1) EP1035796A2 (en)
JP (1) JP4131609B2 (en)
CN (1) CN1154447C (en)
AU (1) AU740000B2 (en)
BR (1) BR9814738A (en)
CA (1) CA2303021C (en)
IL (1) IL135008A0 (en)
NO (1) NO328108B1 (en)
NZ (1) NZ503367A (en)
PL (1) PL339518A1 (en)
RU (1) RU2207822C2 (en)
WO (1) WO1999012489A2 (en)

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