阅读说明：本技术 一种能升温的氩氦刀 (A kind of argon helium knife that can be heated up ) 是由 郑峥 安永辉 李娜 薄常文 马文华 邹长鹏 于 2019-08-26 设计创作，主要内容包括：本发明涉及一种能升温的氩氦刀,包括气体通道,气体通道的一端与供气罐连接,气体通道的另一端与氩氦刀刀头连接,气体通道上设有能够选择性控制气体通道内的流体温度的传热组件,传热组件包括第一气路切换阀门、第二气路切换阀门、加热单元和控温单元,第一气路切换阀门和第二气路切换阀门分别设置在气体通道上,加热单元分别与第一气路切换阀门、第二气路切换阀门连接,控温单元与加热单元连接,控温单元用于控制加热单元内的温度。(The present invention relates to a kind of argon helium knifes that can be heated up, including gas passage, one end of gas passage is connect with air feed tank, the other end of gas passage is connect with argon helium knife cutter head, gas passage is equipped with the heat-transferring assembly that can selectively control the fluid temperature (F.T.) in gas passage, heat-transferring assembly includes the first air way switch valve door, second air way switch valve door, heating unit and control temperature unit, first air way switch valve door and the second air way switch valve door are separately positioned on gas passage, heating unit respectively with the first air way switch valve door, the connection of second air way switch valve door, control temperature unit is connect with heating unit, control temperature unit is used to control the temperature in heating unit.)

1. a kind of argon helium knife that can be heated up, which is characterized in that including gas passage, one end of the gas passage and air feed tank connect It connects, the other end of the gas passage is connect with argon helium knife cutter head, and the gas passage, which is equipped with, can selectively control gas The heat-transferring assembly of fluid temperature (F.T.) in channel.

2. the argon helium knife according to claim 1 that can be heated up, which is characterized in that

The heat-transferring assembly includes the first air way switch valve door, the second air way switch valve door, heating unit and control temperature unit, described First air way switch valve door and the second air way switch valve door are separately positioned on the gas passage, the heating unit respectively with The first air way switch valve door, the connection of the second air way switch valve door, the control temperature unit is connect with the heating unit, described Control temperature unit is used to control the temperature in the heating unit.

3. the argon helium knife according to claim 2 that can be heated up, which is characterized in that the heating unit includes closed chamber Room, heat-exchanging spiral-coil, temperature element and heating element, one end of the heat-exchanging spiral-coil and the first air way switch valve door connect It connects, the other end of the heat-exchanging spiral-coil is connect with the second air way switch valve door, and the heat-exchanging spiral-coil is arranged described In chamber, the temperature element is arranged on the side wall of the chamber, and the heating element is arranged in the chamber.

4. the argon helium knife according to claim 3 that can be heated up, which is characterized in that the heating unit further includes thermal cycle wind Fan, the thermal cycle fan are arranged on the side wall of the chamber.

5. the argon helium knife according to claim 3 that can be heated up, which is characterized in that the chamber is cube with insulating layer The side of body, the chamber is equipped with gemel door.

6. it is according to claim 3 can heating argon helium knife, which is characterized in that the heat-exchanging spiral-coil be spiral plus Heat pipe.

7. the argon helium knife according to claim 6 that can be heated up, which is characterized in that the caliber of the heat-exchanging spiral-coil is 1mm To 10mm, the length of the heat-exchanging spiral-coil is 0.5m to 10m.

8. the argon helium knife according to claim 7 that can be heated up, which is characterized in that the caliber of the heat-exchanging spiral-coil is 3mm To 5mm, the length of the heat-exchanging spiral-coil is 3m to 8m.

9. the argon helium knife according to claim 3 that can be heated up, which is characterized in that the temperature element is Thermistor Temperature Measurement member Heating element described in part or thermocouple temperature measurement element be heating alloy or PTC heating sheet or ceramic heating chip or led pipe or Silicon controlled component.

10. it is according to claim 2 can heating argon helium knife, which is characterized in that the control temperature unit be PLC temperature controller or Node type temperature controller.

Technical field

The present invention relates to a kind of medical instruments, and in particular to a kind of surgical operating instrument for tumor cryoablation.

Background technique

Argon helium knife principle, Argon helium freeze ablation technology abbreviation argon helium knife, from 1998 by U.S. FDA approval, IEC and EMC certification, is a kind of advanced medical technology of minimally invasive superfreeze ablated tumor.Lung cancer, liver cancer, brain can be effectively treated The entity tumors such as cancer, breast cancer.Satisfied clinical effect can be obtained with chemotherapy, radiotherapy, biological therapy and traditional Chinese medicine combined treatment Fruit.It is after radiofrequency ablation therapy, microwave, laser, ultrasound aggregation knife, and the oncotherapy that gamma knife etc. grows up later is high-new Technology.Argon helium knife operation is punctured in the case where B ultrasound, CT, magnetic resonance etc. guide and monitor, and is positioned, and accurate puncture enters tumour In vivo, then cool down by argon gas in point of a knife throttling expansion, pathological tissues are refrigerated to subzero 140 DEG C ~ 170 in a short time ℃.After after certain time, switch helium makes pathological tissues rapidly be warming up to 20 by helium in the throttling expansion of point of a knife ℃~40℃.It is multiple then to repeat above-mentioned cold and hot process, wipes out tumor tissues, achievees the purpose that treatment.Argon helium knife cooling and Speed, time and the temperature of heating, destroy the size and shape in region, influence on therapeutic effect very big.

Argon helium knife is in lung cancer, liver cancer, hepatic hemangioma, cancer of pancreas, breast cancer, the proliferation of mammary gland, brain tumor, membrane of spinal cord tumor, forefront Gland cancer, hyperplasia of prostate, kidney, adrenal tumor, perineum tumour, uterine cancer, cervical carcinoma, oophoroma, carcinoma of penis, skin Cancer, melanoma, hemangioma, osteosarcoma, carcinoma of tonsil, bottleneck throat tumour, nasopharyngeal carcinoma, neurofibroma, embryonal-cell lipoma, oral cavity The treatments such as cancer, tongue cancer, Oral and facial tumor, tumor colli obtain good effect.

It is all made of and is cooled down by argon gas in cutter head throttling expansion both at home and abroad at present, subzero 140 DEG C of tumor by local tissue of realization ~ Subzero 170 DEG C of freezing is then heated up by being passed through normal temperature high voltage helium in cutter head throttling, and final heating can be to 20 DEG C ~ 40 DEG C. Repeatedly freezed-heating treatment after, tumor tissues are destroyed, so that dead.Though the above process achieves in oncotherapy It is preferable as a result, but helium injection gas heating rate it is slow, temperature is not high enough, impacts to surgical effect.

Summary of the invention

The main object of the present invention, which is to provide one kind, to be rapidly heated, and the method that can be increased to higher temperature, and with The method devises a kind of argon helium knife that can be heated up.

In order to complete above-mentioned purpose, the present invention provides a kind of argon helium knife that can be heated up, including gas passage, gas passages One end connect with air feed tank, the other end of gas passage is connect with argon helium knife cutter head, gas passage be equipped with can be selective The heat-transferring assembly of the fluid temperature (F.T.) in gas flow is controlled, heat-transferring assembly includes the first air way switch valve door, the switching of the second gas circuit Valve, heating unit and control temperature unit, the first air way switch valve door and the second air way switch valve door are separately positioned on gas passage On, heating unit is connect with the first air way switch valve door, the second air way switch valve door respectively, and control temperature unit and heating unit connect It connects, control temperature unit is used to control the temperature in heating unit.

Preferably, heating unit includes closed chamber, heat-exchanging spiral-coil, temperature element and heating element, and exchange heat spiral One end of pipe is connect with the first air way switch valve door, and the other end of heat-exchanging spiral-coil is connect with the second air way switch valve door, heat exchange Helix tube is arranged in chamber, and temperature element is arranged on the side wall of chamber, and heating element is arranged in chamber.

It is further preferred that heating unit further includes thermal cycle fan, thermal cycle fan is arranged on the side wall of chamber.

It is further preferred that chamber is the cube with insulating layer, the side of chamber is equipped with gemel door.

It is further preferred that heat-exchanging spiral-coil is the heating tube spiraled.

Still more preferably, the caliber of heat-exchanging spiral-coil is 1mm to 10mm, the length of heat-exchanging spiral-coil be 0.5m extremely 10m。

Still more preferably, the caliber of heat-exchanging spiral-coil is 3mm to 5mm, and the length of heat-exchanging spiral-coil is 3m to 8m.

It is further preferred that temperature element is Thermistor Temperature Measurement element or thermocouple temperature measurement element heating element is alloy electricity Heated filament or PTC heating sheet or ceramic heating chip or led pipe or silicon controlled component.

Preferably, control temperature unit is PLC temperature controller or node type temperature controller.

The invention has the benefit that in the present invention, when implementing cooling therapeutic, the first air way switch valve door and second Air way switch valve door is in pass-through state, so that argon gas flows directly into argon helium knife cutter head without heating element, flows into argon helium knife After cutter head, cool down through throttling, low-temperature treatment is implemented to pathological tissues；When needing hyperthermic therapy, argon gas is closed, by the first gas circuit Switch valve and the second air way switch valve door are switched to heating element, open helium at this time, flow behind the door through the first air way switch valve Enter heating unit, after being warming up to the numerical value of needs, flows into argon helium knife head through the second air way switch valve door, heat up through throttling, it is right Pathological tissues implement heating ablation processing.Since heating unit temperature is strict control, to ensure that helium enters argon helium knife Certain stable temperature value is had reached before cutter head, temperature further increases after throttling, to greatly accelerate heating ablation speed, improves It to the treatment effect of pathological tissues, while also promoting the closure of capilary, reduces bleeding.

Detailed description of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the structural schematic diagram of the heating unit of the argon helium knife that can be heated up of the invention.

Description of symbols

1, gas passage；2, the first air way switch valve door；3, the second air way switch valve door；

4, chamber；5, heat-exchanging spiral-coil；6, thermal cycle fan；

7, temperature element；8, heating element.

Specific embodiment

With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground description.In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.

As shown in Figure 1, a kind of argon helium knife that can be heated up, including gas passage 1 are present embodiments provided, gas passage 1 One end is connected with air feed tank (being not shown in the figure, air feed tank includes helium tank and argon tanks), the other end and argon helium of gas passage 1 Knife cutter head 10 connects, and gas passage 1 is equipped with the heat transfer that can selectively control fluid (i.e. helium) temperature in gas passage 1 Component, heat-transferring assembly include the first air way switch valve door 2, the second air way switch valve door 3, heating unit and control temperature unit, first Air way switch valve door 2 and the second air way switch valve door 3 are separately positioned on gas passage, and heating unit is cut with the first gas circuit respectively Valve 1, the connection of the second air way switch valve door 3 are changed, control temperature unit is connect with heating unit, and control temperature unit is for controlling heating unit Interior temperature.In the present embodiment, when implementing cooling therapeutic, at the first air way switch valve door 2 and the second air way switch valve door 3 In pass-through state, so that argon gas flows directly into argon helium knife cutter head without heating element, after flowing into argon helium knife cutter head, dropped through throttling Temperature implements low-temperature treatment to pathological tissues, that is to say, that when implementing cooling therapeutic, so that fluid switches by the first gas circuit Argon helium knife cutter head 10 is flowed to after being directly over the second air way switch valve door 3 when valve 2, that is, the first air way switch valve door 2, which is closed, to be added The channel in hot cell direction, the second air way switch valve door 3 close the channel in heating unit direction；When needing hyperthermic therapy, close Argon gas is closed, the first air way switch valve door 2 and the second air way switch valve door 3 are switched to heating element, it is (specific to open helium at this time The common structure that structure uses in the present embodiment, this is the prior art, is well known to those skilled in the art, therefore, specifically Switching construction repeat no more in the present embodiment), flow into heating unit after the first air way switch valve door 2, when be warming up to need After the numerical value wanted, the second air way switch valve door 3 is opened, argon helium knife head is flowed into through the second air way switch valve door 3, heats up through throttling, Heating ablation processing is implemented to pathological tissues, that is to say, that helium is oriented to heating unit direction by the first air way switch valve door 2, together When closes the gas passage in straight-through direction, and (pipeline between first air way switch valve door the second air way switch valve of 2- door 3 is to close Close), helium flows to argon helium knife cutter head 10 by the second air way switch valve door 3, during this, the second air way switch valve door 3 Circulating direction is heating unit -10 direction of argon helium knife cutter head.In the present embodiment, since heating unit temperature is by control temperature unit Strict control, certain stable temperature value is had reached before helium enters argon helium knife cutter head to ensure that, temperature is into one after throttling Step increases, to greatly accelerate heating ablation speed, improves the treatment effect to pathological tissues, while also promoting capilary Closure, reduce bleeding.

In the present embodiment, heating unit includes closed chamber 4, heat-exchanging spiral-coil 5, temperature element 7 and heating element 8, one end of heat-exchanging spiral-coil 5 is connect with the first air way switch valve door 2, and the other end of heat-exchanging spiral-coil 5 and the second gas circuit switch Valve 3 connects, and heat-exchanging spiral-coil 5 is arranged in chamber 4, and temperature element 7 is arranged on the side wall of chamber 4, and heating element 8 is arranged In chamber.Specifically, in the present embodiment, compartment being equipped in chamber 4, heating element 8 is placed in compartment, to make It obtains heat to distribute out of compartment, and then is dispersed into entire chamber 4.In addition, in the present embodiment, in order to enable in chamber 4 Heat accelerates flowing, and thermal cycle fan 6 is additionally provided on the side wall of chamber.Further, in order to prevent in chamber 4 heat stream It loses, in the present embodiment, chamber 4 is made of the cube with insulating layer, and the side of cube is provided with door assembly with hinge and glass in right hand and left Door, and door close on cube after, cube can be sealed.Further, in the present embodiment, heat-exchanging spiral-coil 5 heating tube by spiraling is made, and the caliber Application Range 1mm to 10mm of heat-exchanging spiral-coil 5, it is preferred that uses caliber for 3mm To 5mm, the length of heat-exchanging spiral-coil 5 is in 0.58m between 10m, it is preferred that uses 3m to 8m.Since the present embodiment is used Be that helical pipe is heated, therefore helium can be enabled sufficiently to heat in chamber 4.

For the ease of manufacture, temperature element 7 used by the present embodiment is Thermistor Temperature Measurement element or thermocouple temperature measurement member Part.Meanwhile heating element 8 employed in the present embodiment is heating alloy or PTC heating sheet or ceramic heating chip or led Pipe or silicon controlled component.Control temperature unit be PLC temperature controller or node type temperature controller, control temperature unit respectively with temperature element 7 and plus Thermal element 8 connects, so that the temperature in chamber 4 is in stabilising arrangement always.When the temperature is low, control temperature unit can then control heating Element 8 starts to heat, and after reaching suitable temperature, control temperature unit then stops the work of heating element 8.Meanwhile thermometric list Member 7 is by the temperature real-time display of survey on display screen on control temperature unit.

The specifically used method of the present embodiment are as follows: firstly, heating element 8 is opened, to start to improve the temperature in chamber 4 Degree observes the temperature in chamber 4 by temperature element 7, after temperature reaches certain altitude, heating element 8 is closed, so that chamber Temperature in 4 is kept in a certain range, in the process, controls the temperature in chamber 4 by control temperature unit, i.e., when temperature is low When, control temperature unit can then control heating element 8 and start to heat, and after reaching suitable temperature, control temperature unit then stops heating The work of element 8.And in order to accelerate the rate of heat exchange of the temperature in the fluid and chamber 4 in heat-exchanging spiral-coil 5, by chamber 4 Interior thermal cycle fan 6 is opened, so that the gas in chamber 4 flows.In this way, when needing logical cooling therapeutic, so that the first gas Road switch valve 2 and the second air way switch valve door 3 keep connected state, at this point, argon gas can't pass through heating unit, argon gas is straight It connected gas passage 1 and reaches argon helium knife cutter head 10, the gas flow in gas passage 1 are as follows: switch for the-the first gas circuit of argon tanks Valve 2- the second air way switch valve door 3- argon helium knife cutter head 10.When needing to carry out hyperthermic therapy, closes for argon tanks, then cut The first air way switch valve door 2 and the second air way switch valve door 3 are changed, to make helium by heating unit, is opened for helium tank, So that the gas flow in gas passage 1 are as follows: cut for helium tank the-the first air way switch valve door 2- heat-exchanging spiral-coil the second gas circuit of 5- Change valve 3- argon helium knife cutter head 10.

Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.