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WO2023070795A1 - Dispositif d'électrode d'ablation à micro-ondes ayant une fonction hémostatique de suivi d'aiguille par radiofréquence, système et procédé - Google Patents

Dispositif d'électrode d'ablation à micro-ondes ayant une fonction hémostatique de suivi d'aiguille par radiofréquence, système et procédé Download PDF

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Publication number
WO2023070795A1
WO2023070795A1 PCT/CN2021/132668 CN2021132668W WO2023070795A1 WO 2023070795 A1 WO2023070795 A1 WO 2023070795A1 CN 2021132668 W CN2021132668 W CN 2021132668W WO 2023070795 A1 WO2023070795 A1 WO 2023070795A1
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Prior art keywords
microwave
temperature
radio frequency
ablation
host
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Ceased
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PCT/CN2021/132668
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English (en)
Chinese (zh)
Inventor
唐淑君
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.)
Shanghai Medvida Medical Technology Co Ltd
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Shanghai Medvida Medical Technology Co Ltd
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Publication of WO2023070795A1 publication Critical patent/WO2023070795A1/fr
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    • 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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • 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
    • 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
    • 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
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1425—Needle
    • 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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • A61B2018/1869—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument interstitially inserted into the body, e.g. needles

Definitions

  • the invention relates to the technical field of medical devices, in particular to an intelligent 5G microwave ablation electrode device, system and implementation method with a radio frequency needle tract hemostasis function.
  • Existing microwave ablation systems generally include a microwave power generator, which can usually generate high-power microwave energy of about 100W.
  • the generator usually includes functional modules such as system control and temperature monitoring, and also includes disposable electrode needles, including transmission lines Cables, coaxial cables, water-cooled circulation pipelines and other components, as well as a water pump cooling system, are used to provide cooling water for disposable electrode needles, so that the electrode needles are safe and reliable during use.
  • Existing radiofrequency ablation systems are usually used for solid organs such as the liver, and the composition of the system is roughly the same as that of microwave systems.
  • Chinese invention patent (application publication number CN 109124761 A) discloses a microwave and radio frequency energy transmission tissue ablation system, including a handle part and a shaft assembly extending distally from the handle part, the shaft assembly includes an outer shaft, and the shaft assembly extending through the outer shaft A coaxial cable and an electrode connected to a distal portion of the outer shaft, the distal portion of the coaxial cable forming a microwave antenna, transmits microwave energy radially outward through the outer shaft.
  • the microwave antenna of the system is positioned on the part of the tissue to be treated, transmits microwave energy into the part of the tissue, pre-coagulates the part, stops the microwave energy transmission, moves the electrode needle, and excises a part of the tissue with radiofrequency energy.
  • the difference between this system and the present invention is that in the process of combining the radio frequency function with the microwave ablation system, the present invention adds a microwave antenna and two temperature measurement points on the electrode device, and the main function of the present invention is to pass the system
  • the setting of intelligent one-button ablation realizes the intelligent one-button ablation function, and detects the temperature of the ablation process in real time and gives an alarm when the temperature is too high.
  • the present invention provides a microwave electrode device with a radio frequency needle tract hemostasis function; also provides an intelligent 5G microwave ablation system with a radio frequency needle tract hemostasis function; also provides a Implementation method of intelligent 5G microwave ablation system with radiofrequency needle tract hemostasis function.
  • the first aspect of the present invention provides a microwave electrode device with radio-frequency needle tract hemostasis function, including a ceramic needle, a stainless steel outer tube, a plastic inner tube, a microwave antenna, a coaxial cable, and a handle;
  • the ceramic needle is connected to the stainless steel outer tube
  • the front end, the handle is connected to the rear end of the stainless steel outer tube
  • the plastic inner tube is located inside the stainless steel outer tube
  • the coaxial cable is located inside the plastic inner tube
  • the microwave antenna is located inside the ceramic needle
  • the coaxial cable connected
  • the handle is provided with a water-cooling circulation pipeline, and the water-cooling circulation pipeline includes a water injection port and a water outlet.
  • the above-mentioned microwave electrode device with radio frequency needle tract hemostasis function also includes a first temperature measurement point and a second temperature measurement point, the first temperature measurement point is set on the outer wall of the stainless steel outer tube of the electrode needle near the handle, and is the temperature of the outer tube; the second temperature measuring point is located on the inner wall of the water-cooling circulation pipe at the handle, and the measured temperature is the temperature of the water circulation.
  • the two temperature measuring points are equipped with corresponding high temperature alarm devices.
  • the second aspect of the present invention provides an intelligent 5G microwave ablation system with radio frequency needle tract hemostasis function, including the above-mentioned microwave electrode device, a host, and an electrode plate.
  • the host is equipped with an operation panel, a microwave port, and a temperature measurement interface. a radio frequency port; the electrode plate is connected to a radio frequency port of the host through a connection line, the electrode needle device handle is connected to the host through a connection line, and the temperature measurement interface is connected to the first temperature measurement point and the second temperature measurement point.
  • the temperature measuring points are connected.
  • the host includes a temperature monitoring module, a radio frequency function module, a microwave function module, and a switch.
  • the radio frequency function module includes a radio frequency signal source and a radio frequency power amplification module;
  • the microwave function module includes a microwave signal source and a microwave power amplification module.
  • the above switch controls the host computer to perform radio frequency function or microwave function. The operator performs operations such as data input and function switching through the operation panel.
  • the temperature monitoring module includes a first temperature monitoring module and a second temperature monitoring module, the first temperature monitoring module monitors the feedback data of the first temperature measurement point, and the second temperature monitoring module monitors the first temperature monitoring module The feedback data of the second temperature measurement point.
  • the first temperature monitoring module includes a first temperature detection system and a first high temperature alarm system, and the first temperature detection system triggers the first high temperature alarm system when the temperature exceeds 60°C and is maintained for no more than 15 seconds according to system settings , the first high temperature alarm system is connected to a radio frequency functional module, and the radio frequency functional module stops outputting radio frequency power after the first high temperature alarm system is triggered.
  • the second temperature monitoring module includes a second temperature detection system and a second high temperature alarm system, the second temperature detection system immediately triggers the second high temperature alarm system when the temperature exceeds 45°C, and the second high temperature alarm system is connected to A microwave functional module, the microwave functional module stops microwave power output after the second high temperature alarm system is triggered.
  • a method for realizing an intelligent 5G microwave ablation system with radio frequency needle tract hemostasis function includes the following steps:
  • Step 1 Connect the electrode to the microwave port of the host through the connecting wire, turn on the host, and the system defaults to the microwave ablation mode after booting;
  • Step 2 Set the time and power of microwave ablation through the operation panel of the host, the system starts microwave ablation according to the setting, and the second temperature measurement point feeds back the microwave ablation temperature to the temperature detection module;
  • Step 3 after the system completes the microwave ablation, without moving the electrodes, connect the connecting wire to the radio frequency port of the host;
  • Step 4 Select the radio frequency ablation function through the operation panel of the host, the system suspends the water cooling cycle in the handle, starts the first temperature measurement point, and feeds back the measured temperature data to the temperature detection module.
  • the second high temperature alarm system When the temperature measured at the second temperature measurement point in the above step 2 exceeds 45°C, the second high temperature alarm system is triggered, the second high temperature alarm system is connected to the microwave functional module, and the microwave functional module stops the microwave power after the second high temperature alarm system is triggered. output.
  • the first high temperature alarm system When the temperature measured at the first temperature measurement point in the above step 4 exceeds 60°C, the first high temperature alarm system is triggered, the first high temperature alarm system is connected to the radio frequency function module, and the radio frequency function module stops the radio frequency power after the first high temperature alarm system is triggered. output.
  • the present invention has the following beneficial effects:
  • an integrated radio frequency module is added to the microwave ablation system.
  • the main function of the radio frequency module is to ablate and stop bleeding in the needle tract. Therefore, too high output power is not required, and the output power is mainly concentrated at a low power within 50W.
  • the 5G data transmission function Through the 5G data transmission function, the data transmission speed is accelerated, the data transmission efficiency is improved, and the one-key ablation function is realized to avoid insufficient or excessive ablation caused by the operator's inexperience or operational errors.
  • the present invention designs an independent radio frequency module in the microwave ablation host, improves the system architecture, and changes the grounding mode, so that the improved host can be switched by a switch, and can simultaneously have the functions of microwave ablation and radio frequency ablation.
  • the microwave ablation electrode needle After the microwave ablation electrode needle is improved, it can also have the function of a radio frequency electrode. Through the use of radiofrequency function, bleeding during needle withdrawal can be avoided, and radiofrequency ablation can be used to prevent implant metastasis, which has a positive effect on reducing patient pain and promoting patient recovery.
  • the microwave ablation electrode adopted in the present invention When used in the improved system architecture, it also has the function of a radio frequency electrode. Through switching, one-key ablation can be realized, and the functions of microwave ablation and radio frequency ablation can be realized by a set of systems, and the operation is simple. Fully functional.
  • Fig. 1 is a schematic structural diagram of an intelligent 5G microwave ablation system with radio frequency needle tract hemostasis function according to the present invention.
  • Ceramic needle 1 stainless steel outer tube 2, plastic inner tube 3, microwave antenna 4, coaxial cable 5, handle 6, water injection port 61, water outlet 62, first temperature measurement point 71, second temperature measurement point 72, temperature measurement Interface 73 , host 8 , operation panel 81 , radio frequency port 82 , microwave port 83 , radio frequency connection line 821 , microwave connection line 831 , and electrode plate 9 .
  • a microwave electrode device with radio frequency needle tract hemostasis function including ceramic needle 1, stainless steel outer tube 2, plastic inner tube 3, microwave antenna 4, coaxial cable 5, handle 6, ceramic needle 1 connected
  • the plastic inner tube 3 is set inside the stainless steel outer tube 2
  • the coaxial cable 5 is set inside the plastic inner tube 3
  • the microwave antenna 4 is set inside the ceramic needle 7, and is connected with the coaxial cable 5.
  • a water-cooling circulation pipeline is provided inside the handle 6 , and the water-cooling circulation pipeline includes a water injection port 61 and a water outlet 62 .
  • the device includes a first temperature measurement point 71 and a second temperature measurement point 72, the first temperature measurement point 71 is arranged on the outer wall of the stainless steel outer tube 2 near the handle 6, and the temperature of the outer tube is measured; the second temperature measurement point 72 is located on the inner wall of the water-cooling circulation pipe at the handle 6, and the measured temperature is the temperature of the water cycle (in Figure 1, the positions of the first temperature measurement point 71 and the second temperature measurement point 72 seem to coincide, the former is on the outer wall, and the latter is on the inner wall ).
  • the two temperature measuring points are equipped with corresponding high temperature alarm devices.
  • the present invention also provides an intelligent 5G microwave ablation system with radio-frequency needle tract hemostasis function, including the above-mentioned electrode device, a host 8, and an electrode plate 9.
  • the host 8 is provided with an operation panel 81, a microwave port 83, and a temperature measurement interface 73.
  • Two A radio frequency port 82, the electrode plate 9 is connected with a radio frequency port 82 of the host 8 through a connecting line
  • the handle 6 is connected with the host 8 through a connecting line
  • the radio frequency connecting line 821 is connected with the radio frequency port 82
  • the microwave connecting line 831 is connected with the microwave
  • the ports 83 are connected
  • the temperature measurement interface 73 is connected with the first temperature measurement point 71 and the second temperature measurement point 72 .
  • the host 8 includes a temperature monitoring module, a radio frequency function module, a microwave function module, and a switch.
  • the radio frequency function module includes a radio frequency signal source and a radio frequency power amplification module;
  • the microwave function module includes a microwave signal source and a microwave power amplification module.
  • the switch controls the host to perform radio frequency or microwave functions. The operator performs operations such as data input and function switching through the operation panel.
  • the microwave ablation mode When using the microwave ablation mode, insert the microwave connection line 831 at the handle 6 into the microwave port 83 of the host 8. After the host 8 passes the power-on self-inspection, the system defaults to the microwave ablation mode; in this mode, the operator 8, set the ablation time and power; then, the system performs microwave ablation according to the set time and power.
  • the second temperature measuring point 72 detects the ablation temperature in real time, and the high temperature alarm device located at the second temperature measuring point 72 communicates with the second high temperature alarm system in the host computer 8.
  • the microwave ablation has ended at this time, and the ablation operation of the needle tract can be performed.
  • the operator switches the switch to the radiofrequency ablation mode through the operation panel on the host computer 8 .
  • the operator does not need to move the electrode needle, and connects the radio frequency connection line 821 on the handle 6 to a radio frequency port 82 on the host machine 8; the other radio frequency port 82 is a non-ablation electrode, and the contact area of the electrode plate 9 is relatively large, and is usually attached to the Patient's thigh; the operator operates on the host computer 8 and selects the radiofrequency ablation function; at this time, the system suspends the cold water circulation, the water cooling circulation in the electrode needle stops, and the temperature monitoring function of the first temperature measurement point 71 on the surface of the needle track is turned on.
  • the second temperature measurement point 72 connected to the microwave ablation module monitors the ablation temperature of the electrode needle in real time. When the temperature exceeds 45°C, the second high temperature alarm system is triggered. The second temperature measurement point 72 The high temperature alarm device is activated, and the system instructs the microwave power output to stop.
  • the first temperature measurement point 71 monitors the electrode needle ablation temperature in real time, and when the temperature exceeds 60°C, the first high temperature alarm system is triggered, and the high temperature alarm device at the first temperature measurement point 71 Start up, prompting the operator that the temperature is too high, and the system will stop the RF power output at the same time.
  • the system of the present invention has the characteristics of fast transmission speed and high efficiency in the 5G frequency band. Because needle tract bleeding and planting are likely to be caused during the needle withdrawal process, the present invention uses radio frequency function to ablate the needle tract after performing microwave ablation. damage.
  • the microwave ablation and radio frequency ablation modules are provided with temperature monitoring and high temperature alarm functions respectively, so as to increase the safety of ablation operation.
  • the operator only needs to input the ablation time and power on the operation panel of the host, and the system can automatically perform the ablation throughout the whole process, realizing the one-button ablation function without the need for the operator to manually move the electrode needle, which can greatly improve the Improve the accuracy of the operation and provide convenience for the operator.

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Abstract

Dispositif d'électrode à micro-ondes ayant une fonction hémostatique de suivi d'aiguille par radiofréquence, comprenant une aiguille en céramique (1), un tube externe en acier inoxydable (2), un tube interne plastique (3), une antenne à micro-ondes (4), un câble coaxial (5), une poignée (6), et des points de mesure de température (71, 72). L'antenne à micro-ondes (4) est disposée à l'intérieur de l'aiguille en céramique (1) et est raccordée au câble coaxial (5). Système d'ablation par micro-ondes 5G intelligent ayant une fonction hémostatique de suivi d'aiguille par radiofréquence et un procédé de mise en œuvre. Le système d'ablation par micro-ondes 5G intelligent comprend un dispositif d'électrode à micro-ondes, un hôte (8), une ligne de connexion par radiofréquence (821), une ligne de connexion par micro-ondes (831), un système de détection de température, et un système d'alarme à haute température. L'hôte (8) est pourvu d'un panneau de fonctionnement (81), d'un orifice de micro-ondes (83), et d'un orifice de radiofréquences (82). Lorsqu'il est utilisé dans une architecture de système, le dispositif d'électrode à micro-ondes possède en outre la fonction d'une électrode à radiofréquence, une ablation clé peut être atteinte par commutation, des fonctions d'ablation par micro-ondes et d'ablation par radiofréquence peuvent être atteintes à l'aide d'un ensemble de systèmes, le fonctionnement est facile, et les fonctions sont complètes.
PCT/CN2021/132668 2021-10-29 2021-11-24 Dispositif d'électrode d'ablation à micro-ondes ayant une fonction hémostatique de suivi d'aiguille par radiofréquence, système et procédé Ceased WO2023070795A1 (fr)

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CN202111269361.2 2021-10-29
CN202111269361.2A CN113974825A (zh) 2021-10-29 2021-10-29 带射频针道止血功能的微波消融电极装置及系统和方法

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115778526B (zh) * 2022-07-11 2023-08-29 南京康友医疗科技有限公司 一种微波、射频和测温一体式消融针

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101579256A (zh) * 2008-05-13 2009-11-18 上海导向医疗系统有限公司 同心、可拆、可互换多功能靶向肿瘤手术刀
CN206630670U (zh) * 2016-12-26 2017-11-14 翟月 一种具有微波和化学消融功能的消融针
CN109124761A (zh) * 2017-06-19 2019-01-04 柯惠有限合伙公司 微波和射频能量传输组织消融系统
CN110236671A (zh) * 2019-07-01 2019-09-17 南京航空航天大学 一种具有薄膜电阻多点测温功能的肿瘤微波消融针
US20190298994A1 (en) * 2018-03-30 2019-10-03 Minnetronix, Inc. Medical devices for ablating tissue
CN210582634U (zh) * 2019-06-26 2020-05-22 浙江伽奈维医疗科技有限公司 一种便携式针道消融系统
CN112932659A (zh) * 2021-01-26 2021-06-11 上海优医基微能医疗科技有限公司 一种微波消融电极针及其消融系统
CN113425406A (zh) * 2021-05-31 2021-09-24 南京航空航天大学 一种智能双频微波消融治疗系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7311703B2 (en) * 2003-07-18 2007-12-25 Vivant Medical, Inc. Devices and methods for cooling microwave antennas
CN104546120A (zh) * 2015-01-14 2015-04-29 浙江伽奈维医疗科技有限公司 一种止血针芯及活检针

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101579256A (zh) * 2008-05-13 2009-11-18 上海导向医疗系统有限公司 同心、可拆、可互换多功能靶向肿瘤手术刀
CN206630670U (zh) * 2016-12-26 2017-11-14 翟月 一种具有微波和化学消融功能的消融针
CN109124761A (zh) * 2017-06-19 2019-01-04 柯惠有限合伙公司 微波和射频能量传输组织消融系统
US20190298994A1 (en) * 2018-03-30 2019-10-03 Minnetronix, Inc. Medical devices for ablating tissue
CN210582634U (zh) * 2019-06-26 2020-05-22 浙江伽奈维医疗科技有限公司 一种便携式针道消融系统
CN110236671A (zh) * 2019-07-01 2019-09-17 南京航空航天大学 一种具有薄膜电阻多点测温功能的肿瘤微波消融针
CN112932659A (zh) * 2021-01-26 2021-06-11 上海优医基微能医疗科技有限公司 一种微波消融电极针及其消融系统
CN113425406A (zh) * 2021-05-31 2021-09-24 南京航空航天大学 一种智能双频微波消融治疗系统

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