Covidien LP

Vivant Medical, Inc.

Joseph D Brannan

Casey M Ladtkow

Darion R Peterson

Richard A Willyard

William J Dickhans

Eric W Larson

Joseph A Paulus

Jason A Case

Francesca Rossetto

Kenlyn S Bonn

Kyle R Rick

Mani N Prakash

Kaylen J Haley

Robert J Behnke, Ii

Gene H Arts

Jeffrey L Jensen

Christopher A Deborski

William O Reid, Jr

Kurt R Smith

John R Vantuno

Anthony B Ross

Christopher T Rusin

Manoja D Weiss

Joshua C Glazier

Joshua Benjamin Stopek

Brian Kinting Shiu

Arnold V DeCarlo

Kathy E Rooks

Prakash Manley

Ian S Smith

Flor De Maria R Nonalaya

Giordana M Belenchia

John J Halbur

Eric Russell Larson

Anthony C Lee

James E Dunning

Robert J Behnke

Behzad Ghorbani Elizeh

A microwave antenna for ablating tissue in a patient includes a radiator configured to radiate microwave radiation. A cable is coupled to the radiator and includes a fluid inflow line and a fluid outflow line. The microwave antenna also includes a ceramic element coaxially disposed around the radiator. The ceramic element includes at least one internal channel configured to transport thermal energy away from the ceramic element.

Internally cooled ceramic element for a microwave ablation radiator and method

A method for calculating a corrected temperature value (RTP corrected). The method includes determining a measured temperature value from a remote thermocouple probe (RTP measured), determining a temperature value of a remote thermocouple module (RTM), determining a temperature value of a system controller module (SCM), determining a temperature value of a microwave module (MWM), and calculating the corrected temperature value (RTP corrected). The corrected temperature value (RTP corrected) is based on the determined temperature value of the remote thermocouple probe (RTP measured), the determined temperature value of the system controller module (SCM), and at least one of the determined temperature value of the remote thermocouple module (RTM) or the determined temperature value of the microwave module (MWM).

Microwave generator with dynamic correction of temperature measurements

An EM device is provided that includes an antenna assembly for radiating at least one electromagnetic field for electromagnetic navigation. The EM device also includes a moving arrangement coupled to the antenna assembly and configured to either move the antenna assembly toward and away from a CT scan plane or move a patient toward and away from the antenna assembly. An operating system is provided that includes a CT scanner defining a CT scan plane, and a patient table housing an antenna assembly and a moving arrangement. A method is provided that includes engaging a moving arrangement to move a patient, activating the CT scanner, and activating the antenna of an electromagnetic navigation system.

Electromagnetic navigation assembly and computed tomography scanner patient table, surgery system including the same, and method using the same

A microwave antenna assembly is disclosed. The antenna assembly includes a feedline having an inner conductor, an outer conductor and an inner insulator disposed therebetween. A radiating portion is also included having an unbalanced dipole antenna including a proximal portion and a distal portion that are of different lengths. The proximal portion includes at least a portion of the inner conductor and the inner insulator and the distal portion includes a conductive member.

Choked microwave antenna

A system and method enabling the receipt of image data of a patient, identification of one or more locations within the image data depicting symptoms of COPD, analyzing airways and vasculature proximate the identified locations; planning a pathway to the one or more locations, navigating an extended working channel to one of the locations, positioning a microwave ablation catheter proximate the location, and energizing the microwave ablation catheter to treat the locations depicting symptoms of COPD.

System and method for treating COPD and emphysema

A microwave ablation device including a cable assembly configured to connect a microwave ablation device to an energy source and a feedline in electrical communication with the cable assembly. The microwave ablation device further includes a balun on an outer conductor of the feedline, and a temperature sensor on the balun sensing the temperature of the balun.

Microwave energy-delivery device and system

A kit for delivering microwave ablative energy to tissue and methods for using the kit are included. The kit includes an access catheter, an implant deployment tool, and a microwave delivery device. The implant deployment tool is configured to be inserted into the access catheter and has an implant disposed therein in a contracted state and being slidable out of a distal opening and expandable into an expanded state. The microwave delivery device is configured to deliver the microwave ablative energy to the tissue and to be advanced through the access catheter and slidably disposable within the implant when the implant is in the expanded state.

Methods and tools for treating diseased tissue

The modular microwave ablation system of the present disclosure includes a microwave instrument, a microwave generator, and one or more auxiliary modules that include circuitry for performing functions related to the operation of the microwave generator. The one or more auxiliary modules are removably connected to the microwave generator. The microwave generator includes a microwave signal generator that generates a microwave signal; a microwave generator controller in communication with the microwave signal generator; one or more terminals that connect to the one or more auxiliary modules, respectively; and a power supply and/or a power distribution module coupled to the microwave signal generator, the microwave generator controller, and the one or more terminals. The one or more terminals provide (1) power from the power supply and/or power distribution module to the one or more respective auxiliary modules and (2) communication signals to and from the one or more respective auxiliary modules.

Modular microwave generators and methods for operating modular microwave generators

A system for ultrasound interrogation of a lung including a memory, an electromagnetic (EM) board, an extended working channel (EWC), an EM sensor, a US transducer, and a processor. The memory stores a three dimensional (3D) model and pathway plan for navigating a luminal network. The EM board generates an EM field. The EWC is configured to navigate the luminal network toward a target following the pathway plan. The EM sensor extends distally from a distal end of the EWC and is configured to sense the EM field. The US transducer extends distally from a distal end of the EWC, generates US waves, and receives US waves reflected from the luminal network. The processor processes the sensed EM field to synchronize a location of the EM sensor in the 3D model, to process the reflected US waves to generate images, or to integrate the generated images with the 3D model.

System and method for lung visualization using ultrasound

A system for ultrasound interrogation of a lung includes a memory, an electromagnetic (EM) board, an extended working channel (EWC), an EM sensor, a US transducer, and a processor. The memory stores a three dimensional (3D) model, a pathway plan for navigating a luminal network. An EM board generates an EM field. The EWC is configured to navigate the luminal network of a patient toward a target following the pathway plan and the EM sensor extends distally from the EWC and senses the EM field. The US transducer extends distally from a distal end of the EWC and generates US waves and receives US waves reflected from the luminal network and the processor processes the sensed EM field to synchronize a location of the EM sensor in the 3D model, to process the reflected US waves to generate images, or to integrate the generated images with the 3D model.

Microwave applicators are disclosed which include a first transmission line segment, a second transmission line segment, and a third transmission line segment. The first transmission line segment includes a first inner conductor, a first dielectric disposed on the first inner conductor, and a first outer conductor disposed on the first dielectric. The second transmission line segment includes a second inner conductor, a second dielectric disposed on the second inner conductor, and a second outer conductor disposed on the second dielectric. The third transmission line segment includes a third inner conductor disposed on the third inner conductor, a third outer conductor disposed on the proximal end of the third dielectric. The impedance of the second transmission line segment can be adjusted by adjusting the length of the third transmission line segment.

Miniaturized microwave ablation assembly

A method for treating tissue through a branched luminal network of a patient is provided. A pathway to a point of interest in branched luminal network of a patient is generated. An extended working channel is advanced transorally into the branched luminal network and along the pathway to the point of interest. The extended working channel may be positioned in a substantially fixed orientation at the point interest. A tool is advanced though the extended working channel to the point of interest. Tissue at the point of interest is treated.

Microwave ablation system

A system including a catheter navigable to a location within a patient, a lumen extending through the catheter and ending at the distal end in an orifice, a fluid controller in fluid communication with the lumen of the catheter and capable of supplying a fluid to or removing a fluid from an area proximate the desired location. The control of the fluid in the area proximate the desired location affecting a dielectric constant of the area proximate the desired location. The system includes a microwave energy source, and a microwave ablation probe connected to the microwave energy source, the microwave ablation probe being navigable to a desired location within the patient. Application of energy from the microwave energy source to the microwave ablation probe in an area proximate the desired location having the affected dielectric constant results in a substantially spherical tissue effect in the area proximate the desired location.

Systems and methods for spherical ablations

Ablation systems and methods detect and address distortion caused by a variety of factors. A method includes measuring a temperature curve at target tissue; applying ablation energy to the target tissue; determining a peak temperature on the temperature curve; if the peak temperature is greater than the predetermined peak temperature, determining a time at which the temperature curve crosses to a lower temperature; and if the determined time is greater than a predetermined time, generating a message indicating that the target tissue was successfully ablated. Another method includes determining a distance between a remote temperature probe and an ablation probe, applying ablation energy to target tissue, measuring temperature at the remote temperature probe, estimating ablation size based on the determined distance and the temperature measured by the remote temperature probe, and determining whether the target tissue is successfully ablated based on the estimated ablation size.

Systems and methods for thermal ablation distortion detection

A system for recording or recalling ablation information includes a workstation, and control circuitry. The workstation may include a display, a user input device, and a memory. The workstation may be configured to be in electrical communication with an ablation device. The control circuitry may be in electrical communication with the ablation device and the memory. The control circuitry may be configured to receive input associated with an ablation procedure performed by the ablation device, and associate the input with an anatomical structure of the patient.

Growing community of inventors

Erie, CO, United States of America

Joseph D Brannan