CA2573181A1 - Minimally invasive surgical clamp having treatment elements - Google Patents

Minimally invasive surgical clamp having treatment elements Download PDF

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Publication number
CA2573181A1
CA2573181A1 CA002573181A CA2573181A CA2573181A1 CA 2573181 A1 CA2573181 A1 CA 2573181A1 CA 002573181 A CA002573181 A CA 002573181A CA 2573181 A CA2573181 A CA 2573181A CA 2573181 A1 CA2573181 A1 CA 2573181A1
Authority
CA
Canada
Prior art keywords
jaw
deflection mechanism
medical device
jaws
coupling
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.)
Granted
Application number
CA002573181A
Other languages
French (fr)
Other versions
CA2573181C (en
Inventor
Marwan Abboud
Daniel Nahon
Cristian Petre
Real Ste-Marie
Dan Wittenberger
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 Cryocath LP
Original Assignee
Cryocath Technologies Inc.
Marwan Abboud
Daniel Nahon
Cristian Petre
Real Ste-Marie
Dan Wittenberger
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 Cryocath Technologies Inc., Marwan Abboud, Daniel Nahon, Cristian Petre, Real Ste-Marie, Dan Wittenberger filed Critical Cryocath Technologies Inc.
Publication of CA2573181A1 publication Critical patent/CA2573181A1/en
Application granted granted Critical
Publication of CA2573181C publication Critical patent/CA2573181C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • 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
    • A61B18/04—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
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • A61B17/282—Jaws
    • 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
    • A61B18/0218—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques with open-end cryogenic probe, e.g. for spraying fluid directly on tissue or via a tissue-contacting porous tip
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00026—Conductivity or impedance, e.g. of tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00084—Temperature
    • 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
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00243—Type of minimally invasive operation cardiac
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00681—Aspects not otherwise provided for
    • A61B2017/00738—Aspects not otherwise provided for part of the tool being offset with respect to a main axis, e.g. for better view for the surgeon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2901—Details of shaft
    • A61B2017/2905—Details of shaft flexible
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2931—Details of heads or jaws with releasable head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2944—Translation of jaw members
    • 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
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • 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
    • A61B2018/00773—Sensed parameters
    • A61B2018/00839—Bioelectrical parameters, e.g. ECG, EEG
    • 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
    • A61B2018/00773—Sensed parameters
    • A61B2018/00875—Resistance or impedance
    • 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
    • A61B2018/0225—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 for clamping tissue, e.g. forceps
    • 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
    • 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
    • A61B2018/1465—Deformable electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor

Abstract

A medical device for ablating tissue comprising an elongate shaft structure defining an insulating portion (256); a handle (246) connected to the insulating portion (256) of the shaft structure; a bellows portion (258) having a first end and a second end; a cooling segment (260); and a coolant injection tube (262) for introducing coolant into the cooling segment (260); wherein the first end of the bellows portion (258) is connected to the insulating portion (256), and the second end of the bellows portion (258) is connected to the cooling segment (260) so that the insulating portion (256) and the cooling segment (260) can be laterally juxtaposed, substantially parallel to each other.

Claims (12)

1. A medical device for ablating tissue comprising:
a first jaw and a second jaw, wherein at least one of the first jaw and the second jaw includes an ablation element;
a shaft assembly operably coupled to the first jaw and the second jaw, the shaft assembly having a malleability such that the shaft assembly retains a first shape until manipulated to a second shape; and a jaw actuation assembly operably coupled to the first jaw and the second jaw to move the first jaw and the second jaw selectively from a first position proximate each other to a second open position.
2. The medical device of claim 1, wherein at least one of the first jaw and the second jaw includes a sensing element for transmurality assessment.
3. The medical device of claim 2, wherein the sensing element is a temperature sensor.
4. The medical device of claim 2, wherein the sensing element is an impedence sensor.
5. The medical device of claim 1, wherein the jaw actuation assembly comprises:
a deflection mechanism; and a linkage assembly operatively coupled to the deflection mechanism, wherein activation of the deflection mechanism displaces at least the first and the second jaw in a substantially parallel orientation.
6. The medical device of claim 5, wherein the linkage assembly comprises:
a first coupling connected to the deflection mechanism;
an anchor affixed to the shaft assembly; and a pair of jaw couplings movable upon activation of the deflection mechanism, wherein each jaw coupling is connected to a corresponding jaw such that a force applied to the deflection mechanism results in the jaws being in the first position and an opposing force applied to the deflection mechanism deflects the first and the second jaws resulting in the jaws being in the second position thereby creating a tissue clamping region.
7. The medical device of claim 5, wherein the deflection mechanism is controlled by a remote unit.
8. The medical device of claim 1, wherein the first position of the jaws results in an insertion diameter between 6 and 12 millimeters.
9. The medical device of claim 5, wherein the first jaw is fixed and does not move, the deflection mechanism displacing the second jaw.
10. The medical device of claim 5, wherein the linkage assembly comprises:
a first coupling connected to the deflection mechanism;
an anchor affixed to the shaft assembly, the anchor coupled to the second jaw;
a second coupling connected to the first coupling and to the first jaw, the second coupling movable upon activation of the deflection mechanism such that a force applied to the deflection mechanism results in the jaws being in the first position and an opposing force applied to the deflection mechanism results in the first jaw being,obliquely separated from the second jaw resulting in the jaws being in an offset open position.
11. The medical device of claim 5, wherein the linkage assembly comprises:
a first coupling connected to the deflection mechanism, the first coupling connected to the first jaw;
an anchor affixed to the shaft assembly; and a second coupling connected to the second jaw, the first and the second coupling movable about the anchor upon activation of the deflection mechanism such that a force applied to the deflection mechanism results in the jaws being in the first position and an opposing force applied to the deflection mechanism deflects the first and the second jaws resulting in the jaws being in an offset open position.
12. The medical device of claim 1, wherein the ablation element is removable from the jaw.
CA002573181A 2003-06-10 2005-07-13 Minimally invasive surgical clamp having treatment elements Expired - Fee Related CA2573181C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/458,745 US7044946B2 (en) 2003-06-10 2003-06-10 Surgical clamp having treatment elements
US10/890,364 US7347856B2 (en) 2003-06-10 2004-07-13 Minimally invasive surgical clamp having treatment elements
US10/890,364 2004-07-13
PCT/CA2005/001095 WO2006005188A1 (en) 2003-06-10 2005-07-13 Minimally invasive surgical clamp having treatment elements

Publications (2)

Publication Number Publication Date
CA2573181A1 true CA2573181A1 (en) 2006-01-19
CA2573181C CA2573181C (en) 2010-01-19

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CA2536201A Active CA2536201C (en) 2003-06-10 2004-06-10 Surgical clamp having treatment elements
CA002573181A Expired - Fee Related CA2573181C (en) 2003-06-10 2005-07-13 Minimally invasive surgical clamp having treatment elements

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US (2) US7044946B2 (en)
EP (3) EP2189126B1 (en)
AT (1) ATE521294T1 (en)
CA (2) CA2536201C (en)
WO (2) WO2006032951A2 (en)

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EP1781190B1 (en) 2013-04-03
ATE521294T1 (en) 2011-09-15
WO2006032951A3 (en) 2006-08-10
CA2536201A1 (en) 2004-12-10
EP1781190A4 (en) 2010-02-10
US7347856B2 (en) 2008-03-25
WO2006032951A8 (en) 2006-07-13
EP1706053A2 (en) 2006-10-04
EP1781190A1 (en) 2007-05-09
CA2573181C (en) 2010-01-19
WO2006032951A2 (en) 2006-03-30
US7044946B2 (en) 2006-05-16
US20040254607A1 (en) 2004-12-16
WO2006005188A1 (en) 2006-01-19
US20050043729A1 (en) 2005-02-24
CA2536201C (en) 2012-12-11
EP2189126A1 (en) 2010-05-26
EP2189126B1 (en) 2011-08-24

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