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公开(公告)号：US12064175B2
公开(公告)日：2024-08-20
申请号：US17256588
申请日：2019-07-27
Applicant: CREO MEDICAL LIMITED
Inventor： Christopher Paul Hancock , Patrick Burn , Pallav Shah
CPC classification number: A61B18/1815 , A61B2018/00083 , A61B2018/00577 , A61B2018/00982 , A61B2018/1823 , A61B2018/1853 , A61B2018/1861 , A61B2018/1892
Abstract: An electrosurgical instrument for delivering microwave energy to biological tissue, in which a pair of conductive tuning elements are mounted in a radiating instrument tip to shape a microwave radiation profile of the instrument so that the radiation profile is constrained around the instrument tip. Such tuning elements may result in a radiation profile that is substantially spherical around the instrument tip, providing a well-defined ablation volume. The tuning elements act to improve the efficiency with which microwave energy can be delivered into target tissue.
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公开(公告)号：US12023093B2
公开(公告)日：2024-07-02
申请号：US16478841
申请日：2018-01-26
Inventor： Austin Pfannenstiel , Thomas M Keast , Henky Wibowo , Punit Prakash
CPC classification number: A61B18/1815 , A61B1/018 , A61B1/2676 , A61B2018/00023 , A61B2018/00541 , A61B2018/00577 , A61B2018/00642 , A61B2018/00785 , A61B2018/00791 , A61B2018/00982 , A61B2018/1823 , A61B2018/1838 , A61B2018/1853 , A61B2018/1861
Abstract: A novel microwave ablation applicator includes a flexible tubular shaft and a partially encapsulated antenna. The applicator is adapted to be used with an endoscope in order to access remote targets deep within an organ of a patient. Microwave power is emitted from the antenna in a desired radiation pattern by circulating an attenuating liquid through the shaft and across a portion of the antenna. Microwave ablation systems and methods are described.
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公开(公告)号：US20180344401A1
公开(公告)日：2018-12-06
申请号：US16050342
申请日：2018-07-31
Applicant: Covidien LP
Inventor： FRANCESCA ROSSETTO , JOSEPH D. BRANNAN , JOSEPH A. PAULUS
CPC classification number: A61B18/1815 , A61B1/0058 , A61B2017/00867 , A61B2018/00077 , A61B2018/00083 , A61B2018/00577 , A61B2018/1853 , A61B2018/1892 , C08L2201/12
Abstract: A device for directing energy to a target volume of tissue includes a monopole antenna assembly that includes a monopole antenna radiating section having a monopole antenna element surrounded by a dielectric material. The monopole antenna assembly also includes a ground plane disposed at a proximal end of the monopole antenna radiating section, wherein the ground plane is configured to direct energy into the target volume of tissue.
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公开(公告)号：US20180325590A1
公开(公告)日：2018-11-15
申请号：US15958219
申请日：2018-04-20
Applicant: Gyrus Medical Limited
Inventor： David Nicholas Williams
IPC: A61B18/18
CPC classification number: A61B18/18 , A61B2018/00577 , A61B2018/1853 , A61B2018/1869
Abstract: A microwave ablation antenna assembly (20) incorporates a choke assembly (40) having a dielectric element (42) and a conducting element (48). The conducting element (48) is chosen from a group of elements of fixed length, but with differing electrical lengths for providing cancellation properties for different wavelengths of microwave energy.
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公开(公告)号：US10058387B2
公开(公告)日：2018-08-28
申请号：US15191884
申请日：2016-06-24
Applicant: COVIDIEN LP
Inventor： Francesca Rossetto , Joseph D. Brannan , Joseph A. Paulus
CPC classification number: A61B18/1815 , A61B1/0058 , A61B2017/00867 , A61B2018/00077 , A61B2018/00083 , A61B2018/00577 , A61B2018/1853 , A61B2018/1892 , C08L2201/12
Abstract: A device for directing energy to a target volume of tissue includes a monopole antenna assembly that includes a monopole antenna radiating section having a monopole antenna element surrounded by a dielectric material. The monopole antenna assembly also includes a ground plane disposed at a proximal end of the monopole antenna radiating section, wherein the ground plane is configured to direct energy into the target volume of tissue.
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Patent Agency Ranking
公开(公告)号：US09913687B2
公开(公告)日：2018-03-13
申请号：US15352300
申请日：2016-11-15
Applicant: COVIDIEN LP
Inventor： Joseph D. Brannan , Casey M. Ladtkow , Darion R. Peterson , Eric W. Larson , William J. Dickhans , Richard A. Willyard , Jason A. Case
CPC classification number: A61B18/1815 , A61B34/10 , A61B34/25 , A61B2018/00017 , A61B2018/00023 , A61B2018/00166 , A61B2018/00178 , A61B2018/00297 , A61B2018/00482 , A61B2018/00494 , A61B2018/00511 , A61B2018/00529 , A61B2018/00541 , A61B2018/00577 , A61B2018/00678 , A61B2018/00684 , A61B2018/00702 , A61B2018/00708 , A61B2018/00791 , A61B2018/00797 , A61B2018/00821 , A61B2018/00982 , A61B2018/00988 , A61B2018/1823 , A61B2018/1838 , A61B2018/1846 , A61B2018/1853 , A61B2018/1861 , A61B2018/1892 , A61B2034/105 , A61B2034/107
Abstract: 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.
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公开(公告)号：US20170156795A1
公开(公告)日：2017-06-08
申请号：US15434158
申请日：2017-02-16
Applicant: COVIDIEN LP
Inventor： JOSEPH D. BRANNAN
IPC: A61B18/18
CPC classification number: A61B18/1815 , A61B18/18 , A61B90/06 , A61B2018/00017 , A61B2018/00023 , A61B2018/00136 , A61B2018/00178 , A61B2018/00577 , A61B2018/00636 , A61B2018/00642 , A61B2018/00684 , A61B2018/00702 , A61B2018/00744 , A61B2018/00863 , A61B2018/0094 , A61B2018/00988 , A61B2018/1823 , A61B2018/1838 , A61B2018/1853 , A61B2018/1869 , A61B2090/062 , A61B2090/064
Abstract: A microwave ablation system includes an antenna assembly configured to deliver microwave energy from a power source to tissue and a coolant source operably coupled to the power source and configured to selectively provide fluid to the antenna assembly via a fluid path. The system also includes a controller operably coupled to the power source and a sensor operably coupled to the fluid path and the controller. The sensor is configured to detect fluid flow through the fluid path and the controller is configured to control the energy source based on the detected fluid flow.
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公开(公告)号：US20160249981A1
公开(公告)日：2016-09-01
申请号：US15149737
申请日：2016-05-09
Applicant: COVIDIEN LP
Inventor： MANI N. PRAKASH , EMILIE JOHNSON , TAO NGUYEN , BRIAN SHIU
CPC classification number: A61B18/1815 , A61B18/14 , A61B18/148 , A61B18/149 , A61B18/18 , A61B2018/00023 , A61B2018/00577 , A61B2018/1807 , A61B2018/1838 , A61B2018/1853
Abstract: A microwave antenna assembly comprising an elongate shaft having proximal and distal ends and a lumen defined therebetween, a conductive member at least partially disposed within the inner lumen of elongate shaft, conductive member being selectively deployable relative to a distal end of elongate shaft from a first condition wherein a distal end of conductive member at least partially abuts the distal end of elongate shaft to a second condition wherein the distal end of conductive member is spaced relative to the distal end of elongate shaft and a first dielectric material disposed between elongate shaft and conductive member, wherein a portion of conductive member is distal to the distal end of elongate shaft and adapted to penetrate tissue.
Abstract translation: 一种微波天线组件，包括具有近端和远端以及限定在其间的腔的细长轴，至少部分地设置在细长轴的内腔内的导电构件，导电构件可相对于细长轴的远端从第一 其中导电构件的远端至少部分地邻接细长轴的远端到第二状态，其中导电构件的远端相对于细长轴的远端间隔开，并且第一介电材料设置在细长轴与导电之间 构件，其中导电构件的一部分远离细长轴的远端并且适于穿透组织。
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公开(公告)号：US09375272B2
公开(公告)日：2016-06-28
申请号：US12250171
申请日：2008-10-13
Applicant: Francesca Rossetto , Joseph D. Brannan , Joseph A. Paulus
Inventor： Francesca Rossetto , Joseph D. Brannan , Joseph A. Paulus
CPC classification number: A61B18/1815 , A61B1/0058 , A61B2017/00867 , A61B2018/00077 , A61B2018/00083 , A61B2018/00577 , A61B2018/1853 , A61B2018/1892 , C08L2201/12
Abstract: A device for directing energy to a target volume of tissue includes a monopole antenna assembly that includes a monopole antenna radiating section having a monopole antenna element surrounded by a dielectric material. The monopole antenna assembly also includes a ground plane disposed at a proximal end of the monopole antenna radiating section, wherein the ground plane is configured to direct energy into the target volume of tissue.
Abstract translation: 用于将能量引导到组织的目标体积的装置包括单极天线组件，其包括具有由电介质材料包围的单极天线元件的单极天线辐射部。 单极天线组件还包括设置在单极天线辐射部分的近端处的接地平面，其中接地平面被配置为将能量引导到组织的目标体积中。
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公开(公告)号：US20160135887A1
公开(公告)日：2016-05-19
申请号：US15005504
申请日：2016-01-25
Applicant: COVIDIEN LP
Inventor： MANI N. PRAKASH , FRANCESCA ROSSETTO , ANTHONY C. LEE , STEVEN KIM , TED SU , JONATHAN L. GLASSMAN
IPC: A61B18/18
CPC classification number: A61B18/1815 , A61B18/18 , A61B2018/00077 , A61B2018/00083 , A61B2018/00136 , A61B2018/00142 , A61B2018/00178 , A61B2018/00577 , A61B2018/1823 , A61B2018/1838 , A61B2018/1853 , A61B2018/1869 , A61B2018/1892 , Y10T29/49005 , Y10T29/49007 , Y10T29/49016 , Y10T29/49018
Abstract: Various high-strength microwave antenna assemblies are described herein. The microwave antenna has a radiating portion connected by a feedline to a power generating source, e.g., a generator. The antenna is a dipole antenna with the distal end of the radiating portion being tapered and terminating at a tip to allow for direct insertion into tissue. Antenna rigidity comes from placing distal and proximal radiating portions in a pre-stressed state, assembling them via threaded or overlapping joints, or fixedly attaching an inner conductor to the distal portion. The inner conductor is affixed to the distal portion by, e.g., welding, brazing, soldering, or by adhesives. A junction member made from a hard dielectric material, e.g., ceramic, can be placed between the two portions and can have uniform or non-uniform shapes to accommodate varying antenna designs. Electrical chokes may also be used to contain returning currents to the distal end of the antenna.
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