JPWO2019231907A5 - - Google Patents

Download PDF

Info

Publication number
JPWO2019231907A5
JPWO2019231907A5 JP2020566638A JP2020566638A JPWO2019231907A5 JP WO2019231907 A5 JPWO2019231907 A5 JP WO2019231907A5 JP 2020566638 A JP2020566638 A JP 2020566638A JP 2020566638 A JP2020566638 A JP 2020566638A JP WO2019231907 A5 JPWO2019231907 A5 JP WO2019231907A5
Authority
JP
Japan
Prior art keywords
probe assembly
delivery device
energy delivery
probe
pump
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.)
Pending
Application number
JP2020566638A
Other languages
Japanese (ja)
Other versions
JP2021528124A (en
Publication date
Application filed filed Critical
Priority claimed from PCT/US2019/034164 external-priority patent/WO2019231907A1/en
Publication of JP2021528124A publication Critical patent/JP2021528124A/en
Publication of JPWO2019231907A5 publication Critical patent/JPWO2019231907A5/ja
Withdrawn legal-status Critical Current

Links

Claims (10)

患者の身体にエネルギーを送達する医療用のプローブアセンブリであって、A medical probe assembly that delivers energy to the patient's body.
遠位領域及び近位領域を有する細長い部材を含む少なくとも1つのプローブであって、前記遠位領域が電気的に絶縁された外周部分を含む、該プローブと、With the probe, the probe comprising an elongated member having a distal region and a proximal region, wherein the distal region comprises an electrically isolated outer peripheral portion.
電気エネルギー及び高周波エネルギーのうちの一方を前記患者の前記身体に送達するために、前記電気的に絶縁された外周部分から遠位に延びる電気及び熱伝導性のエネルギー送達装置であって、導電性の外周面と、冷却流体を前記エネルギー送達装置の遠位端に循環させるように構成された1以上の内部ルーメンと、を含む、該エネルギー送達装置と、An electrically and thermally conductive energy delivery device extending distally from the electrically isolated outer peripheral portion for delivering one of the electrical energy and the high frequency energy to the body of the patient, which is conductive. And one or more internal lumens configured to circulate the cooling fluid to the distal end of the energy delivery device.
前記エネルギー送達装置の前記遠位端から延出する温度センサを含み、前記エネルギー送達装置に電気的に接続された電気及び熱伝導性の突出部と、An electrical and thermally conductive protrusion that includes a temperature sensor extending from the distal end of the energy delivery device and is electrically connected to the energy delivery device.
前記電気及び熱伝導性のエネルギー送達装置に前記冷却流体を循環させるための少なくとも1つのポンプアセンブリと、With at least one pump assembly for circulating the cooling fluid through the electrical and thermally conductive energy delivery device.
1以上の処置パラメータをモニタリングするための1以上のセンサと、One or more sensors for monitoring one or more treatment parameters, and
前記1以上のセンサに通信可能に接続され、1以上の処置を実行するように構成されたインピーダンス上昇検出エンジンを有するコントローラであって、前記1以上の処置は、前記1以上の処置パラメータに基づいて、インピーダンス上昇イベントが所定の期間内に発生する可能性が高いかどうかをリアルタイムで判定するステップを含む、該コントローラと、を含むことを特徴とするプローブアセンブリ。A controller having an impedance rise detection engine communicatively connected to the one or more sensors and configured to perform one or more actions, wherein the one or more actions are based on the one or more action parameters. The probe assembly comprises the controller and the step of determining in real time whether an impedance rise event is likely to occur within a predetermined period of time.
請求項1に記載のプローブアセンブリであって、The probe assembly according to claim 1.
前記1以上の処置は、前記インピーダンス上昇イベントが前記所定の期間内に発生する可能性が高いかどうかに基づいて、前記少なくとも1つのポンプアセンブリのコマンドを決定するステップをさらに含むことを特徴とするプローブアセンブリ。The one or more measures further comprise the step of determining a command for the at least one pump assembly based on whether the impedance rise event is likely to occur within the predetermined time period. Probe assembly.
請求項2に記載のプローブアセンブリであって、The probe assembly according to claim 2.
前記インピーダンス上昇イベントが前記所定の期間内に発生する可能性が高い場合、前記少なくとも1つのポンプアセンブリに対する前記コマンドは、前記ポンプアセンブリの前記流量の低下を含み、If the impedance rise event is likely to occur within the predetermined period, the command for the at least one pump assembly comprises a decrease in the flow rate of the pump assembly.
前記インピーダンス上昇イベントが前記所定の期間内に発生する可能性が低い場合、前記少なくとも1つのポンプアセンブリに対する前記コマンドは、前記ポンプアセンブリの前記流量の上昇を含むことを特徴とするプローブアセンブリ。The probe assembly, characterized in that the command for the at least one pump assembly comprises an increase in the flow rate of the pump assembly if the impedance rise event is unlikely to occur within the predetermined period.
請求項1~3のいずれかに記載のプローブアセンブリであって、The probe assembly according to any one of claims 1 to 3.
前記1以上の処置パラメータは、組織の温度、前記組織のインピーダンスまたは前記エネルギー送達装置の電力需要のうちの少なくとも1つを含むことを特徴とするプローブアセンブリ。The probe assembly, wherein the one or more treatment parameters include at least one of the temperature of the tissue, the impedance of the tissue, or the power demand of the energy delivery device.
請求項4に記載のプローブアセンブリであって、The probe assembly according to claim 4.
前記温度センサは、前記組織の前記温度を測定するように構成されることを特徴とするプローブアセンブリ。The temperature sensor is a probe assembly configured to measure said temperature of said tissue.
請求項5に記載のプローブアセンブリであって、The probe assembly according to claim 5.
前記温度センサの延出長さは、前記エネルギー送達装置の前記遠位端から約1ミリメートル(mm)未満であることを特徴とするプローブアセンブリ。A probe assembly characterized in that the extension length of the temperature sensor is less than about 1 millimeter (mm) from the distal end of the energy delivery device.
請求項4に記載のプローブアセンブリであって、The probe assembly according to claim 4.
前記ポンプアセンブリは、少なくとも1つの制御モジュールに通信可能に接続された少なくとも1つのポンプを含むことを特徴とするプローブアセンブリ。The pump assembly comprises a probe assembly communicably connected to at least one control module.
請求項4に記載のプローブアセンブリであって、The probe assembly according to claim 4.
前記コントローラは、前記エネルギー送達装置の前記電力需要を所定の閾値と比較するようにさらに構成され、The controller is further configured to compare the power demand of the energy delivery device with a predetermined threshold.
前記電力需要が前記所定の閾値よりも大きい場合、前記少なくとも1つのポンプアセンブリの前記コマンドは、前記少なくとも1つのポンプの速度の低下を含み、If the power demand is greater than the predetermined threshold, the command for the at least one pump assembly comprises slowing down the at least one pump.
前記電力需要が前記所定の閾値よりも小さい場合、前記少なくとも1つのポンプアセンブリの前記コマンドは、前記少なくとも1つのポンプの速度の、所定の最大流量または回転速度までの上昇を含むことを特徴とするプローブアセンブリ。When the power demand is less than the predetermined threshold, the command of the at least one pump assembly comprises increasing the speed of the at least one pump to a predetermined maximum flow rate or rotational speed. Probe assembly.
請求項7に記載のプローブアセンブリであって、The probe assembly according to claim 7.
前記ポンプアセンブリは、前記少なくとも1つの制御モジュールに通信可能に接続された複数のポンプを含み、The pump assembly comprises a plurality of pumps communicably connected to the at least one control module.
前記複数のポンプのそれぞれは、異なるプローブアセンブリと個別に流体連通することを特徴とするプローブアセンブリ。Each of the plurality of pumps is a probe assembly characterized in that it communicates with a different probe assembly individually.
請求項1~9のいずれかに記載のプローブアセンブリであって、The probe assembly according to any one of claims 1 to 9.
前記1以上の処置は、The above-mentioned one or more treatments
組織を治療するための所定の閾値温度を定義するステップと、Steps to define a given threshold temperature for treating tissue,
電源により、前記エネルギー送達装置を介して前記組織の温度を前記所定の閾値温度まで上昇させるステップと、A step of raising the temperature of the tissue to the predetermined threshold temperature by means of a power source via the energy delivery device.
前記組織内に損傷を作成するために、前記組織の前記温度を前記所定の閾値温度に維持するステップと、をさらに含むことを特徴とするプローブアセンブリ。A probe assembly comprising:
JP2020566638A 2018-05-30 2019-05-28 Systems and methods for mitigating impedance rise by pump assembly during use of cooled high frequency probes Withdrawn JP2021528124A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862677714P 2018-05-30 2018-05-30
US62/677,714 2018-05-30
PCT/US2019/034164 WO2019231907A1 (en) 2018-05-30 2019-05-28 System and method for mitigtating rising impedance via a pump assembly during use of cooled radiofrequency probes

Publications (2)

Publication Number Publication Date
JP2021528124A JP2021528124A (en) 2021-10-21
JPWO2019231907A5 true JPWO2019231907A5 (en) 2022-04-26

Family

ID=66912971

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020566638A Withdrawn JP2021528124A (en) 2018-05-30 2019-05-28 Systems and methods for mitigating impedance rise by pump assembly during use of cooled high frequency probes

Country Status (6)

Country Link
US (1) US20210169556A1 (en)
EP (1) EP3801330A1 (en)
JP (1) JP2021528124A (en)
AU (1) AU2019277125A1 (en)
MX (1) MX2020012330A (en)
WO (1) WO2019231907A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240016538A1 (en) * 2020-09-14 2024-01-18 Baylis Medical Technologies Inc. Electrosurigcal Device and Methods
US20230066333A1 (en) * 2021-08-24 2023-03-02 Medtronic Holding Company Sàrl Cooled bipolar radio-frequency ablation probe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999004710A1 (en) * 1997-07-25 1999-02-04 Cosman Eric R Cluster ablation electrode system
US8882755B2 (en) * 2002-03-05 2014-11-11 Kimberly-Clark Inc. Electrosurgical device for treatment of tissue
US6958064B2 (en) * 2003-11-14 2005-10-25 Boston Scientific Scimed, Inc. Systems and methods for performing simultaneous ablation

Similar Documents

Publication Publication Date Title
JP6095886B2 (en) System for controlling tissue ablation using temperature sensors
US20210212757A1 (en) Multi-rate fluid flow and variable power delivery for ablation electrode assemblies used in catheter ablation procedures
CA2861622C (en) Methods and apparatuses for remodeling tissue of or adjacent to a body passage
AU2013206097B2 (en) Methods and systems for enhancing ultrasonic visibility of energy-delivery devices within tissue
EP3158961A1 (en) System and method for controlling catheter power based on renal ablation response
EP2347727A1 (en) System for method for monitoring ablation size
JP2012517864A (en) Apparatus and method for supplying fluid to an electrophysiological device
CN109498152B (en) Apparatus and method for laser hyperthermia for controlling immunostimulation
CN107019554B (en) Temperature controlled short duration ablation
EP2470260A1 (en) Method and system for preventing nerve injury during a medical procedure
CN106994043B (en) Temperature controlled short duration ablation
JP6214940B2 (en) Irrigated electrode with improved heat conduction
CN106994044B (en) Temperature controlled short duration ablation
JP6673598B2 (en) High resolution mapping of tissue with pacing
WO2013123020A1 (en) Ablation catheter with optic energy delivery system for photoacoustic tissue response
CN103386173B (en) A kind of apparatus for ultrasonic therapeutic treatment and high-strength focus supersonic therapeutic system
WO2013191878A1 (en) Systems and methods for detecting channel faults in energy delivery systems
JPWO2019231907A5 (en)
JP2003502105A (en) Submucosal high frequency tonsillectomy device
WO2019231907A8 (en) System and method for mitigating rising impedance via a pump assembly during use of cooled radiofrequency probes
JP2020081879A (en) Irrigation control during ablation
BR102019022866A2 (en) IRRIGATION CONTROL DURING ABLATION
JP7455610B2 (en) Energy-guided radiofrequency (RF) ablation
US20080161743A1 (en) Ablation device having a piezoelectric pump