CN113262044A - Microwave ablation needle capable of measuring temperature - Google Patents
Microwave ablation needle capable of measuring temperature Download PDFInfo
- Publication number
- CN113262044A CN113262044A CN202110531796.3A CN202110531796A CN113262044A CN 113262044 A CN113262044 A CN 113262044A CN 202110531796 A CN202110531796 A CN 202110531796A CN 113262044 A CN113262044 A CN 113262044A
- Authority
- CN
- China
- Prior art keywords
- microwave
- temperature
- puncture head
- head
- ceramic
- 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
Links
- 238000002679 ablation Methods 0.000 title claims abstract description 29
- 239000000919 ceramic Substances 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims 1
- 238000009529 body temperature measurement Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 238000002844 melting Methods 0.000 abstract description 4
- 230000008018 melting Effects 0.000 abstract description 4
- 239000000155 melt Substances 0.000 abstract description 2
- 238000010309 melting process Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000005676 thermoelectric effect Effects 0.000 description 1
Images
Classifications
-
- 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
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
-
- 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
- A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
-
- 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
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00714—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
- A61B2018/00791—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
- A61B18/18—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
Abstract
The invention discloses a microwave ablation needle capable of measuring temperature, which comprises a ceramic puncture head, wherein a microwave transmission cooling assembly is assembled on the side wall of the ceramic puncture head, and a temperature measuring assembly is installed outside the ceramic puncture head. Through set up microwave transmission cooling module in melting the ceramic puncture head of needle, transmit microwave energy through the microwave emitter, cool off the ceramic puncture head through the condenser tube passageway that sets up when transmitting microwave energy, prevent the risk of broken needle and take place, secondly through set up temperature measurement sensing element in the ceramic puncture head, peripheral temperature that microwave ablation was carried out to the ceramic puncture head through temperature measurement sensing element to increase the stability of the in-process system that melts and the security of melting process.
Description
Technical Field
The invention relates to the technical field of microwave ablation needles, in particular to a microwave ablation needle capable of measuring temperature.
Background
With the continuous expansion of microwave ablation technology, the microwave ablation needle used in clinical practice at present adopts metal (such as stainless steel) and a ceramic head (a radiation microwave window) to guide puncture to a patient body so as to ablate a focus. When the in-process of melting carries out the temperature measurement, current temperature measurement mode is mostly the separation head mode, melts the needle side promptly and inserts temperature sensor (side division temperature measurement needle) mode and realize, can't melt regional temperature with the patient and melt the needle and combine together, can bring the painful phenomenon that has the hole site of puncture and postoperative for the patient like this. Secondly, the temperature of the ablation region of the patient cannot be measured, so that the temperature of the ablation region is too high, carbonization and the like, and the ablation needle is broken in the body of the patient after the microwave standing wave ratio is abnormal.
Disclosure of Invention
The invention aims to provide a microwave ablation needle capable of measuring temperature, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a microwave ablation needle of measurable temperature, includes the pottery puncture head, the lateral wall of pottery puncture head is equipped with microwave transmission cooling module, the externally mounted of pottery puncture head has temperature measurement subassembly.
Preferably, the microwave transmission cooling assembly comprises a microwave emitting head assembled on the side wall of the ceramic puncture head, the microwave emitting head is connected with a coaxial line, and cooling water pipe channels are arranged outside the microwave emitting head and the coaxial line.
Preferably, the temperature measuring component comprises a temperature measuring sensing element assembled on the outer side wall of the ceramic puncture head, and the temperature measuring sensing element is connected with a temperature measuring compensation wire.
Preferably, a metal shielding pipe is sleeved outside the coaxial line and the cooling water pipe channel.
Preferably, the temperature measuring sensing element is two thin metal wires which are distributed up and down symmetrically.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides a microwave ablation needle of measurable temperature, combine together microwave ablation and temperature measurement, through set up microwave transmission cooling module in melting the ceramic puncture head of needle, convey microwave energy through the microwave emission head, cool off the ceramic puncture head through the condenser tube passageway that sets up when conveying microwave energy, prevent the risk of broken needle and take place, secondly through set up temperature measurement sensing element on ceramic puncture head surface, carry out temperature measurement and feedback control through temperature measurement sensing element to the peripheral temperature that the ceramic puncture head carried out the microwave ablation, thereby increase the stability of the in-process system of melting and the security of melting process.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
In the figure: 1. the microwave transmission and cooling device comprises a ceramic puncture head, 2, a microwave transmission and cooling component, 21, a microwave transmitting head, 22, a coaxial line, 23, a cooling water pipe channel, 3, a temperature measuring component, 31, a temperature measuring sensing element, 32, a temperature measuring compensation line, 4 and a metal shielding pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the present invention provides a technical solution: a microwave ablation needle capable of measuring temperature comprises a ceramic puncture head 1, the side wall of the ceramic puncture head 1 is provided with a microwave transmission cooling component 2, the ceramic puncture head 1 is used for puncturing and transmitting microwave energy to the ceramic puncture head through the microwave transmission cooling component 2 so that the ceramic puncture head 1 can perform microwave ablation, the microwave transmission cooling component 2 comprises a microwave transmitting head 21 assembled on the side wall of the ceramic puncture head 1, the microwave transmitting head 21 is connected with a coaxial line 22, a cooling water pipe channel 23 is arranged outside the microwave transmitting head 21 and the coaxial line 22, one end of the cooling water pipe channel 23 is connected with an external cooling system, the other end of the cooling water pipe channel 23 is connected with the ceramic puncture head 1, the coaxial line 22 is used for being connected with an external microwave ablation host end, and the microwave energy can be transmitted to the ceramic puncture needle 1 through the coaxial line 22 and the microwave transmitting head 21 by the external microwave ablation host, simultaneously in the process of carrying out microwave ablation, cool off ceramic puncture syringe needle 1 through condenser tube passageway 23, come effectual protection to ceramic puncture syringe needle 1 through the mode of water-cooling ceramic puncture syringe needle 1, prevent that ceramic puncture syringe needle 1 from taking place the broken needle.
The temperature measuring component 3 is arranged outside the ceramic puncture head 1, the temperature measuring component 3 comprises a temperature measuring sensing element 31 assembled on the side wall of the ceramic puncture head 1, the temperature measuring sensing element 31 is connected with a temperature measuring compensation wire 32, the temperature measuring compensation wire 32 is connected with an external host, data transmission is carried out on the temperature measured by the temperature measuring sensing element 31 through the temperature measuring compensation wire 32, the temperature measuring sensing element 31 is two thin metal wires which are distributed symmetrically up and down and have different thicknesses, the two metal wires are plated through a magnetron sputtering process and have nanometer-scale thicknesses (such as temperature measuring elements such as NiCr or K-type thermocouples) in the using process, the thermoelectric effect of the thermocouple is utilized, namely, the two metals generate weak pressure difference under different environmental temperatures, the temperature of an ablation area can be measured while ablation through calibration, so as to increase the ablation safety and stability of the system, and the temperature measuring component 3 is thin, The microwave oven is thin, does not influence the emission and the transmission of high-power microwave energy, and achieves the aim of one needle with multiple purposes.
Example two
Referring to fig. 1, the difference between the technical solution provided by the present invention and the technical solution in the first embodiment is: the metal shielding pipe 4 is arranged outside the coaxial line 22 and the cooling water pipe channel 23, the coaxial line 22 and the microwave emitting head 21 are protected by the metal shielding pipe 4, the metal shielding pipe 4 can shield external interference in the microwave transmission process, and the microwave transmission process is more stable.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a microwave ablation needle of measurable temperature, includes ceramic puncture head (1), its characterized in that: the microwave transmission cooling assembly (2) is assembled on the side wall of the ceramic puncture head (1), and the temperature measuring assembly (3) is designed outside the ceramic puncture head (1).
2. A temperature measurable microwave ablation needle as defined in claim 1 further comprising: microwave transmission cooling module (2) are including assembling in microwave emission head (21) of pottery puncture head (1) lateral wall, microwave emission head (21) are connected with coaxial line (22), the outside of microwave emission head (21) and coaxial line (22) is provided with condenser tube passageway (23).
3. A temperature measurable microwave ablation needle as defined in claim 1 further comprising: the temperature measuring component (3) comprises a temperature measuring sensing element (31) assembled on the side wall of the ceramic puncture head (1), and the temperature measuring sensing element (31) is connected with a temperature measuring compensation wire (32).
4. A temperature measurable microwave ablation needle as in claim 2 further comprising: and a metal shielding pipe (4) is sleeved outside the coaxial line (22) and the cooling water pipe channel (23).
5. A thermometric microwave ablation needle according to claim 3, wherein: the temperature measuring sensing element (31) is thin metal wires which are symmetrically distributed and made of two different materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110531796.3A CN113262044A (en) | 2021-05-14 | 2021-05-14 | Microwave ablation needle capable of measuring temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110531796.3A CN113262044A (en) | 2021-05-14 | 2021-05-14 | Microwave ablation needle capable of measuring temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113262044A true CN113262044A (en) | 2021-08-17 |
Family
ID=77231070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110531796.3A Pending CN113262044A (en) | 2021-05-14 | 2021-05-14 | Microwave ablation needle capable of measuring temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113262044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115429423A (en) * | 2022-11-07 | 2022-12-06 | 海杰亚（北京）医疗器械有限公司 | Waterless microwave ablation needle and microwave ablation system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6306132B1 (en) * | 1999-06-17 | 2001-10-23 | Vivant Medical | Modular biopsy and microwave ablation needle delivery apparatus adapted to in situ assembly and method of use |
| CN203328807U (en) * | 2013-06-17 | 2013-12-11 | 王万霞 | Water cooling microwave ablation needle assembly |
| CN204091954U (en) * | 2014-09-29 | 2015-01-14 | 余建军 | A kind of medical temperature sensitive puncture probe |
| CN106572884A (en) * | 2014-08-20 | 2017-04-19 | 柯惠有限合伙公司 | Systems and methods for spherical ablations |
| CN106798594A (en) * | 2017-02-15 | 2017-06-06 | 尚敏杰 | Microwave melt needle |
| CN209499889U (en) * | 2018-06-20 | 2019-10-18 | 南京亿高微波系统工程有限公司 | A kind of interventional minimally-invasive subtracts the ablation needle of tire application |
-
2021
- 2021-05-14 CN CN202110531796.3A patent/CN113262044A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6306132B1 (en) * | 1999-06-17 | 2001-10-23 | Vivant Medical | Modular biopsy and microwave ablation needle delivery apparatus adapted to in situ assembly and method of use |
| CN203328807U (en) * | 2013-06-17 | 2013-12-11 | 王万霞 | Water cooling microwave ablation needle assembly |
| CN106572884A (en) * | 2014-08-20 | 2017-04-19 | 柯惠有限合伙公司 | Systems and methods for spherical ablations |
| CN204091954U (en) * | 2014-09-29 | 2015-01-14 | 余建军 | A kind of medical temperature sensitive puncture probe |
| CN106798594A (en) * | 2017-02-15 | 2017-06-06 | 尚敏杰 | Microwave melt needle |
| CN209499889U (en) * | 2018-06-20 | 2019-10-18 | 南京亿高微波系统工程有限公司 | A kind of interventional minimally-invasive subtracts the ablation needle of tire application |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115429423A (en) * | 2022-11-07 | 2022-12-06 | 海杰亚（北京）医疗器械有限公司 | Waterless microwave ablation needle and microwave ablation system |
| CN115429423B (en) * | 2022-11-07 | 2023-01-24 | 海杰亚（北京）医疗器械有限公司 | Waterless microwave ablation needle and microwave ablation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1166067B1 (en) | Infrared thermometer with a heatable measuring tip and protective cap | |
| CN113262044A (en) | Microwave ablation needle capable of measuring temperature | |
| CN102401703A (en) | Microwave temperature measurement system based on fluorescence fiber temperature measurement | |
| EP0687866A1 (en) | Oven for the heat treatment of solid foodstuffs | |
| US20200352621A1 (en) | Thermal resistance heater | |
| CN205903307U (en) | Microwave ablation needle under visual scope that has a distal end temperature measurement function | |
| CN103017936B (en) | Thermochromic optical fiber temperature sensor and sensing method thereof | |
| GB2045921A (en) | Improvements relating to the measurement of temperature | |
| EP0515171A1 (en) | Coated optical fibre | |
| CN101173873A (en) | Nuclear grade platinum resistance thermometer and its method for reducing thermal response time | |
| CN206862521U (en) | Temperature measurement system for cable joint | |
| US10869605B2 (en) | Noninvasive microwave radiometric sensing of a tympanic membrane | |
| CN205353806U (en) | Small -size low temperature black matrix temperature regulating device | |
| CN109938831A (en) | A kind of tumor microwave ablation needle with optical fiber temperature-measurement function | |
| CN208443498U (en) | The temperature correction instrument that a kind of pair of electronic thermometer is calibrated | |
| CN208463623U (en) | Temperature measuring equipment and microwave cooking utensil | |
| CN105423273A (en) | Spectroscopic boiler anti-coking system and control method | |
| CN2576191Y (en) | Microwave thermal-treatment radiator | |
| CN206550213U (en) | The progressive die processed for micro-wave oven connection sheet | |
| CN111803209A (en) | Disposable laser metal thermotherapy target head | |
| CN2874444Y (en) | Non-contact type temperature sensor temperature measurer for high pressure water resistance startor | |
| CN202554107U (en) | Water-cooling microwave needle with function of measuring bar temperature | |
| CN201384485Y (en) | Ear thermometer with optical fiber conductor | |
| WO2008087649B1 (en) | Thermally insulated needles for dermatological applications | |
| CN205227276U (en) | Spectrum formula boiler anti -coking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210817 |