CN103006315A - Freezing-heating tool - Google Patents
Freezing-heating tool Download PDFInfo
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- CN103006315A CN103006315A CN2013100078891A CN201310007889A CN103006315A CN 103006315 A CN103006315 A CN 103006315A CN 2013100078891 A CN2013100078891 A CN 2013100078891A CN 201310007889 A CN201310007889 A CN 201310007889A CN 103006315 A CN103006315 A CN 103006315A
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- liquid nitrogen
- tool
- cold
- thermocouple
- knife bar
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Abstract
The invention discloses a freezing-heating tool which comprises a body, a heat insulating jacket, a tool bit, a first thermocouple, a radio-frequency hyperthermia antenna, a liquid nitrogen tube, a liquid nitrogen nozzle and a gas backflow cavity, wherein the body consists of a tool handle, a tool rod and a tool shell. The tool shell peripherally surrounds the tool rod and the tool bit, one end of the tool rod is connected with the tool handle, and the other end of the tool rod is connected with the tool bit. The liquid nitrogen tube is positioned in the tool rod, one end of the liquid nitrogen nozzle is connected with the liquid nitrogen tube, and the other end of the liquid nitrogen nozzle is positioned in the tool bit. The heat insulating jacket is inlayed to the inner periphery of a non-therapeutic section of the tool rod, a free space formed by the liquid nitrogen tube and the heat insulating jacket inlayed to the inner periphery of the tool rod is the gas backflow cavity, a part of the radio-frequency hyperthermia antenna penetrates out of the tool bit, and the first thermocouple is arranged in the tool bit. Using the freezing-heating tool for surgeries is small in surgical trauma, free of side effects and low in cost, and patients can recover quickly, do not need to be hospitalized, and can leave as long as treatment is completed.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly, relate to a kind of cold and hot cutter.
Background technology
At present, people's living environment constantly worsens, and the sickness rate of malignant tumor improves constantly, and presents the trend of rejuvenation.Traditional excision, wound is large, and is hemorrhage many, and patient recovers slowly, and the hospital stays is long.Radiation and chemotherapy is also together killed normal cell and immunocyte when killing and wounding cancerous cell.Traditional remedies not only success rate is not high, and has a strong impact on patient's orthobiosis, most people's disability.
Summary of the invention
In view of this, the invention provides a kind of cold and hot cutter, realizing reducing the wound to patient, and be applicable to treat the tumor of different times.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of cold and hot cutter comprises: the body, jacket, cutter head, the first thermocouple, radio-frequency (RF) thermotherapeutic antenna, liquid nitrogen pipe, liquid nitrogen nozzle and the gas back cavity that are comprised of handle of a knife, knife bar and cutter shell; Wherein:
Described cutter girdle is around in the periphery of described knife bar and described cutter head;
Described knife bar one end is connected with described handle of a knife, and the other end is connected with described cutter head;
Described liquid nitrogen pipe is positioned at described knife bar;
Described liquid nitrogen nozzle one end is connected with described liquid nitrogen pipe, and the other end is positioned at described cutter head;
Described jacket be embedded in the non-treatment section of described knife bar in enclose;
Described liquid nitrogen pipe and the described free space that is embedded in the jacket formation of enclosing in the described knife bar are the gas backstreaming chamber;
Described radio-frequency (RF) thermotherapeutic antenna passes a part from described cutter head;
Described the first thermocouple is arranged in the described cutter head.
Preferably, described cold and hot cutter also comprises the second thermocouple and heater strip; Wherein:
Described the second thermocouple is located on the described jacket;
Described heater strip is embedded in the periphery of described jacket.
Preferably, described liquid nitrogen pipe is one or more.
Preferably, described liquid nitrogen pipe is titanium alloy tube.
Preferably, described handle of a knife is made by politef or acrylonitrile-butadiene-styrene copolymer.
Preferably, described radio-frequency (RF) thermotherapeutic antenna is made by titanium alloy or copper alloy.
Can find out from above-mentioned technical scheme, a kind of cold and hot cutter disclosed by the invention, by adopting the radio-frequency (RF) thermotherapeutic antenna that tumor tissues is heated, compare with traditional helium heating, the radio-frequency (RF) thermotherapeutic antenna can be heated to higher temperature to tumor tissues, and because the wavelength of radio-frequency (RF) thermotherapeutic antenna is longer, strong to the penetration capacity of tissue, heat can be penetrated into darker tumor tissues, therefore can play better therapeutic effect; Simultaneously; when adopting liquid nitrogen that tumor tissues is carried out cold therapy; non-treatment section at cold and hot cutter is inlayed jacket by enclosing in knife bar; can effectively reduce the heat exchange of liquid nitrogen pipe and knife bar periphery; thereby effectively reduced liquid nitrogen and arrived the gasification of effectively treating section; also protected the not frost bitten of organizing around the non-treatment section of cold and hot cutter so that the wound of operation little, have no side effect, expense is low, recoverys is fast, need not in hospital, can be with controlling with walking.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of cold and hot cutter of the embodiment of the invention;
Fig. 2 is the structural representation of the disclosed a kind of cold and hot cutter of another embodiment of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention discloses a kind of cold and hot cutter, realizing reducing the wound to patient, and be applicable to treat the tumor of different times.
As shown in Figure 1, a kind of cold and hot cutter comprises: the body, jacket 104, cutter head 105, the first thermocouple 106, radio-frequency (RF) thermotherapeutic antenna 107, liquid nitrogen pipe 108, liquid nitrogen nozzle 109 and the gas back cavity 110 that are comprised of handle of a knife 101, knife bar 102 and cutter shell 103; Wherein:
Knife bar 102 1 ends are connected with handle of a knife 101, and the other end is connected with cutter head 105;
Radio-frequency (RF) thermotherapeutic antenna 107 passes a part from cutter head 105;
The first thermocouple 106 is arranged in the cutter head 105.
Concrete, the liquid nitrogen pipe in the cold and hot cutter can for one also can be for more than one.
Concrete, liquid nitrogen pipe is titanium alloy tube.
Concrete, handle of a knife is made by politef or acrylonitrile-butadiene-styrene copolymer.
Concrete, the radio-frequency (RF) thermotherapeutic antenna is made by titanium alloy or copper alloy.
In the above-described embodiments, when carrying out cold treatment, the beginning liquid nitrogen flows to liquid nitrogen nozzle 109 by liquid nitrogen pipe 108, and liquid nitrogen is sprayed onto gas backstreaming chamber 110 by liquid nitrogen nozzle 109, and liquid nitrogen gasifies rapidly, and nitrogen is flowed back to by gas backstreaming chamber 110.Because the nitrogen temperature after the gasification is very low, effectively treatment section (part that not insulated cover is inlayed in the knife bar) generally is refrigerated in second below-190 ℃ at 5-30, therefore, near the effectively treatment section tissue is by freezing rapidly, and along with constantly carrying out of cold treatment process, ice hockey constantly grow up (ice hockey is axially outer generation centered by effective treatment section).The temperature of the feedback point of a knife that built-in the first thermocouple 106 of cutter head 105 is real-time, thus can be real-time cold treatment process is controlled.
When carrying out thermotherapy, send the long rf wave of wavelength by radio-frequency (RF) thermotherapeutic antenna 107 to the top at cold and hot cutter, tumor tissues intermediate ion concussion heat production around exciting, raise the temperature to the temperature (minimum temperature of killing malignant cell is 42 ℃) of effective kill tumor cell, and keep a period of time.The temperature of the feedback point of a knife that built-in the first thermocouple 106 of cutter head 105 is real-time, thus can be real-time cold treatment process is controlled.
As shown in Figure 2, another embodiment of the present invention also discloses a kind of cold and hot cutter, comprising: the body, jacket 204, cutter head 205, the first thermocouple 206, radio-frequency (RF) thermotherapeutic antenna 207, liquid nitrogen pipe 208, liquid nitrogen nozzle 209, gas backstreaming chamber 210, the second thermocouple 211 and the heater strip 212 that are comprised of handle of a knife 201, knife bar 202 and cutter shell 203; Wherein:
Knife bar 202 1 ends are connected with handle of a knife 201, and the other end is connected with cutter head 205;
Radio-frequency (RF) thermotherapeutic antenna 207 passes a part from cutter head 205;
The first thermocouple 206 is arranged in the cutter head 205;
The second thermocouple 211 is located on the jacket 204;
Concrete, the liquid nitrogen pipe in the cold and hot cutter can for one also can be for more than one.
Concrete, liquid nitrogen pipe is titanium alloy tube.
Concrete, handle of a knife is made by politef or acrylonitrile-butadiene-styrene copolymer.
Concrete, the radio-frequency (RF) thermotherapeutic antenna is made by titanium alloy or copper alloy.
In the above-described embodiments, when carrying out cold treatment, the beginning liquid nitrogen flows to liquid nitrogen nozzle 209 by liquid nitrogen pipe 208, and liquid nitrogen is sprayed onto gas backstreaming chamber 210 by liquid nitrogen nozzle 209, and liquid nitrogen gasifies rapidly, and nitrogen is flowed back to by gas backstreaming chamber 210.Because the nitrogen temperature after the gasification is very low, effectively treatment section (part that not insulated cover is inlayed in the knife bar) generally is refrigerated in second below-190 ℃ at 5-30, therefore, near the effectively treatment section tissue is by freezing rapidly, and along with constantly carrying out of cold treatment process, ice hockey constantly grow up (ice hockey is axially outer generation centered by effective treatment section).The temperature of the feedback point of a knife that built-in the first thermocouple 206 of cutter head 205 is real-time, thus can be real-time cold treatment process is controlled.
When carrying out thermotherapy, send the long rf wave of wavelength by radio-frequency (RF) thermotherapeutic antenna 207 to the top at cold and hot cutter, tumor tissues intermediate ion concussion heat production around exciting, raise the temperature to the temperature (minimum temperature of killing malignant cell is 42 ℃) of effective kill tumor cell, and keep a period of time.The temperature of the feedback point of a knife that built-in the first thermocouple 206 of cutter head 205 is real-time, thus can be real-time cold treatment process is controlled.
Cold and hot cutter disclosed by the invention other knife bar 202 parts except the treatment section all are inlaid with jacket 204, and are provided with the second thermocouple 211 at jacket 204, are inlaid with heater strip 212 in the periphery of jacket 204.When treating, can regulate in real time according to the temperature that the second thermocouple 211 gathers the heat compensation amount of heater strip 212, can keep certain temperature so that the non-treatment section of cold and hot cutter is peripheral, thereby protect not frost bitten of normal structure.
Cold and hot cutter disclosed by the invention can be worked under nuclear magnetic resonance imaging system (MRI) guiding in real time, because nuclear magnetic resonance, NMR can dynamically observe, imaging does not exist pseudo-shadow and resolution high, especially to soft tissue can clear display structure.Therefore, in therapeutic process, cold and hot cutter disclosed by the invention is targeting destroyed tumor tissue accurately.For example, when carrying out cold treatment, when nuclear magnetic resonance imaging system monitors ice hockey and surrounds whole tumor tissues, then control cold and hot cutter and stop cold treatment process.
Each embodiment adopts the mode of going forward one by one to describe in this description, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a cold and hot cutter is characterized in that, comprising: the body, jacket, cutter head, the first thermocouple, radio-frequency (RF) thermotherapeutic antenna, liquid nitrogen pipe, liquid nitrogen nozzle and the gas back cavity that are comprised of handle of a knife, knife bar and cutter shell; Wherein:
Described cutter girdle is around in the periphery of described knife bar and described cutter head;
Described knife bar one end is connected with described handle of a knife, and the other end is connected with described cutter head;
Described liquid nitrogen pipe is positioned at described knife bar;
Described liquid nitrogen nozzle one end is connected with described liquid nitrogen pipe, and the other end is positioned at described cutter head;
Described jacket be embedded in the non-treatment section of described knife bar in enclose;
Described liquid nitrogen pipe and the described free space that is embedded in the jacket formation of enclosing in the described knife bar are the gas backstreaming chamber;
Described radio-frequency (RF) thermotherapeutic antenna passes a part from described cutter head;
Described the first thermocouple is arranged in the described cutter head.
2. cold and hot cutter according to claim 1 is characterized in that, also comprises the second thermocouple and heater strip; Wherein:
Described the second thermocouple is located on the described jacket;
Described heater strip is embedded in the periphery of described jacket.
3. cold and hot cutter according to claim 1 and 2 is characterized in that, described liquid nitrogen pipe is one or more.
4. cold and hot cutter according to claim 3 is characterized in that, described liquid nitrogen pipe is titanium alloy tube.
5. cold and hot cutter according to claim 4 is characterized in that, described handle of a knife is made by politef or acrylonitrile-butadiene-styrene copolymer.
6. cold and hot cutter according to claim 5 is characterized in that, described radio-frequency (RF) thermotherapeutic antenna is made by titanium alloy or copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310007889.1A CN103006315B (en) | 2013-01-09 | 2013-01-09 | Freezing-heating tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310007889.1A CN103006315B (en) | 2013-01-09 | 2013-01-09 | Freezing-heating tool |
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| Publication Number | Publication Date |
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| CN103006315A true CN103006315A (en) | 2013-04-03 |
| CN103006315B CN103006315B (en) | 2015-05-27 |
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| CN201310007889.1A Active CN103006315B (en) | 2013-01-09 | 2013-01-09 | Freezing-heating tool |
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| US20060004351A1 (en) * | 1999-12-09 | 2006-01-05 | Cryocath Technologies Inc. | Catheter with cryogenic and electrical heating ablation |
| CN2458995Y (en) * | 2001-01-20 | 2001-11-14 | 中国科学院理化技术研究所 | Submersion cooling type cryoprobe capable of speedup of quick heating and thawing frozen tumor tissue |
| CN2579358Y (en) * | 2002-11-25 | 2003-10-15 | 罗昌渠 | Controllable radio frequency cold and heat pole |
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| Publication number | Publication date |
|---|---|
| CN103006315B (en) | 2015-05-27 |
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Address after: Jinzhai road in Baohe District of Hefei city of Anhui Province, No. 96 230026 Applicant after: University of Science and Technology of China Address before: 230026 Jinzhai Road, Anhui, China, No. 96, No. Applicant before: University of Science and Technology of China |
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