WO2006006989A3 - System and method for varying return pressure to control tip temperature of a cryoablation catheter - Google Patents

System and method for varying return pressure to control tip temperature of a cryoablation catheter Download PDF

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Publication number
WO2006006989A3
WO2006006989A3 PCT/US2005/012750 US2005012750W WO2006006989A3 WO 2006006989 A3 WO2006006989 A3 WO 2006006989A3 US 2005012750 W US2005012750 W US 2005012750W WO 2006006989 A3 WO2006006989 A3 WO 2006006989A3
Authority
WO
WIPO (PCT)
Prior art keywords
catheter tube
return line
valve
temperature
distal tip
Prior art date
Application number
PCT/US2005/012750
Other languages
French (fr)
Other versions
WO2006006989A2 (en
Inventor
Eric Ryba
Original Assignee
Cryocor 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 Cryocor Inc filed Critical Cryocor Inc
Priority to AT05736062T priority Critical patent/ATE556666T1/en
Priority to EP05736062A priority patent/EP1768593B1/en
Publication of WO2006006989A2 publication Critical patent/WO2006006989A2/en
Publication of WO2006006989A3 publication Critical patent/WO2006006989A3/en

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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
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • 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
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0212—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument inserted into a body lumen, e.g. catheter
    • 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
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0231—Characteristics of handpieces or probes
    • A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid

Abstract

A cryoablation device having a temperature control system includes an elongated catheter tube that has a central lumen and is formed with a closed distal tip. The distal end of a refrigerant supply line is positioned in the central lumen and distanced from the catheter tube’s distal tip to establish an expansion chamber therebetween. A return line, which can be established between the supply line and the catheter tube, is provided to exhaust expanded refrigerant from the chamber. The temperature control system includes a valve that is positioned at a predetermined location along the return line. The valve is adjustable to vary a pressure within the return line to control the operational temperature at the distal tip of the catheter tube. Specifically, the valve can be used to reduce the pressure in the return line to thereby increase the tip temperature, and vice versa.
PCT/US2005/012750 2004-06-30 2005-04-15 System and method for varying return pressure to control tip temperature of a cryoablation catheter WO2006006989A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT05736062T ATE556666T1 (en) 2004-06-30 2005-04-15 SYSTEM FOR VARYING BACK PRESSURE FOR CONTROLLING THE PEAK TEMPERATURE OF A CRYOABLATION CATHETER
EP05736062A EP1768593B1 (en) 2004-06-30 2005-04-15 System for varying return pressure to control tip temperature of a cryoablation catheter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/881,086 2004-06-30
US10/881,086 US7357797B2 (en) 2004-06-30 2004-06-30 System and method for varying return pressure to control tip temperature of a cryoablation catheter

Publications (2)

Publication Number Publication Date
WO2006006989A2 WO2006006989A2 (en) 2006-01-19
WO2006006989A3 true WO2006006989A3 (en) 2006-08-24

Family

ID=35514983

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/012750 WO2006006989A2 (en) 2004-06-30 2005-04-15 System and method for varying return pressure to control tip temperature of a cryoablation catheter

Country Status (4)

Country Link
US (1) US7357797B2 (en)
EP (1) EP1768593B1 (en)
AT (1) ATE556666T1 (en)
WO (1) WO2006006989A2 (en)

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US20120158104A1 (en) 2010-10-26 2012-06-21 Medtronic Ardian Luxembourg S.A.R.L. Neuromodulation cryotherapeutic devices and associated systems and methods
US9060754B2 (en) 2010-10-26 2015-06-23 Medtronic Ardian Luxembourg S.A.R.L. Neuromodulation cryotherapeutic devices and associated systems and methods
EP2701623B1 (en) 2011-04-25 2016-08-17 Medtronic Ardian Luxembourg S.à.r.l. Apparatus related to constrained deployment of cryogenic balloons for limited cryogenic ablation of vessel walls
US9241752B2 (en) 2012-04-27 2016-01-26 Medtronic Ardian Luxembourg S.A.R.L. Shafts with pressure relief in cryotherapeutic catheters and associated devices, systems, and methods
WO2013162700A1 (en) 2012-04-27 2013-10-31 Medtronic Ardian Luxembourg Sarl Cryotherapeutic devices for renal neuromodulation and associated systems and methods
US9101343B2 (en) 2012-08-03 2015-08-11 Thach Buu Duong Therapeutic cryoablation system
US9095321B2 (en) 2012-11-21 2015-08-04 Medtronic Ardian Luxembourg S.A.R.L. Cryotherapeutic devices having integral multi-helical balloons and methods of making the same
US9017317B2 (en) 2012-12-06 2015-04-28 Medtronic Ardian Luxembourg S.A.R.L. Refrigerant supply system for cryotherapy including refrigerant recompression and associated devices, systems, and methods
US10492842B2 (en) 2014-03-07 2019-12-03 Medtronic Ardian Luxembourg S.A.R.L. Monitoring and controlling internally administered cryotherapy
US9861422B2 (en) 2015-06-17 2018-01-09 Medtronic, Inc. Catheter breach loop feedback fault detection with active and inactive driver system
CN109414292A (en) 2016-05-05 2019-03-01 爱克斯莫医疗有限公司 Device and method for cutting off and/or melting unwanted tissue
US11510576B2 (en) 2017-04-27 2022-11-29 Medtronic Cryocath Lp Treatment device having multifunctional sensing elements and method of use
CN111839713B (en) * 2019-04-24 2023-03-24 上海美杰医疗科技有限公司 Multi-modal tumor ablation probe system and control method thereof
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Also Published As

Publication number Publication date
EP1768593B1 (en) 2012-05-09
WO2006006989A2 (en) 2006-01-19
US7357797B2 (en) 2008-04-15
ATE556666T1 (en) 2012-05-15
US20060004350A1 (en) 2006-01-05
EP1768593A2 (en) 2007-04-04
EP1768593A4 (en) 2008-09-17

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