CN2418844Y - Steam probe thermatological instrument for tumors - Google Patents
Steam probe thermatological instrument for tumors Download PDFInfo
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- CN2418844Y CN2418844Y CN 00234475 CN00234475U CN2418844Y CN 2418844 Y CN2418844 Y CN 2418844Y CN 00234475 CN00234475 CN 00234475 CN 00234475 U CN00234475 U CN 00234475U CN 2418844 Y CN2418844 Y CN 2418844Y
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Abstract
The utility model relates to a micro wound type steam probe thermotherapy instrument for treating tumors. Both ends of a probe pipe are respectively connected with a steam generator and a probe head, and the probe pipe comprises a steam cavity, an annular water channel and a probe pipe body. The center of probe pipe body is communicated with the steam cavity at a steam channel, and the outer side of the steam channel is axially and concentrically provided with a water return channel and a circular vacuum chamber. The front end of the probe head forms a round shape or an arc shape, and the axial center of the front end of the probe head is provided with a steam incoming flow channel which is communicated with the steam channel. The outer side of the steam incoming flow channel is axially provided with a liquid return channel, and the top of the probe head is provided with a thermocouple for measuring the temperature of the position of the treated tumor. The utility model has the advantages of compact structure, convenient use and remarkable therapeutic effect.
Description
This utility model relates to a kind of thermal therapeutic apparatus that utilizes local tumor in the high-temperature steam treatment human body, be particularly related to and a kind ofly simple in structure, with low cost high-temperature steam can be transported to tumor locus to be treated, and probe is not caused hot injury's the microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy along journey surrounding health tissue.
The high temperature thermotherapy is the another important treatment means after radiotherapy, chemotherapy in oncotherapy.Now developed at the various device for tumor thermotherapy machines between the shallow table of human body, intracavity, tissue, but, existed such-and-such deficiency in the heating that often is difficult to aspect deep or the regional heating reach satisfied.Mainly from microwave, radio frequency, ultrasonic, laser etc., their common defects is that complex structure, price are very expensive to the thermal source of these heat therapy machines, and is implemented on oncotherapy and also is subjected to many factors restrictions.To produce microwave output,,, and must adopt preventer at the probe place as the circuit of the confidential employing complexity of microwave heat therapeutic in order to avoid normal structure is caused damage so thermometric is had relatively high expectations because the electromagnetic field that himself produces can cause interference to temperature survey; And other heat therapy machine such as radio frequency, ultrasonic etc. cause overheated pain easily during no cold water.All owing to use complicated launching site effect, its Cooling System Design is comparatively difficult for all these heat therapy machines probes (promptly treating parts), and dosage is difficult to determine during the enforcement thermotherapy.Aspect Steam Heating, the existing beautifying device that utilizes steam to improve looks on the market, but do not see the tumor probe therapy instrument of developing based on the Steam Heating principle as yet; In addition, adopting hot water to carry out the general tumour treatment by the way of hemoperfusion also has report, but has shortcomings such as complicated operation, optional equipment and supervising device be too much.
The purpose of this utility model provides a kind of vapor probe thermotherapeutic instrument that is used for oncotherapy simple in structure, with low cost, it can be used for heating to treat of tumor tissues such as human body deep, body cavity, tract, and can realize the thermotherapy effect of big heat (latent heat release) discharging raising local tumor, its the most significant characteristics are to be dependent on tumor locus to be treated, and have invasive or complete noinvasive.
Embodiment of the present utility model is as follows:
The microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy that this utility model provides is characterized in that: comprise steam generator 1, probe tube 2 and probe 3, probe tube 2 one ends and steam generator 1 are connected, the other end probe 3 that is threaded; Probe tube 2 is one by the integrative-structure that constitutes to preceding hollow vapor chamber 26, annular water cavity road 25 and the circular probe tube body of placing successively 27 from the back, its axial centre is provided with the round steam passage 24 that communicates with hollow vapor chamber 26, axially being provided with successively and round steam passage 24 annular water return flow line 23 and annular vacuum chambers 21 concentric and that communicate with annular water cavity road 25 outside the round steam passage 24, the tube wall of circular probe tube body 27 is provided with the vacuum orifice 22 that communicates with annular vacuum chamber 21; The probe 3 that is connected with steam generator 1 is one by from the back to the annular fluid return passageway 34 that before sets gradually with the integrative-structure of probe precursor 35, probe precursor 35 front ends are circle or arc, the axial centre of probe 3 is provided with the round steam that communicates with round steam passage 24 in the circular probe tube body 27 and comes circulation road 31, steam comes to be axially arranged with outside the circulation road 31 ring-shaped liquid backward channel 34, probe precursor 35 is hollow cavity, is filled with netted heat-barrier material 33 in it; The material of probe 3 outer walls is the high thermal conductivity metal material; The diameter of described probe tube 2 and probe 3 can be done very for a short time, generally at 1mm-10mm; Round steams in the probe 3 come to have fine pore on circulation road 31 one section channel wall inwardly; The apical head of probe 3 is provided with in order to measure the thermocouple of tumor locus temperature in the therapeutic process.
According to the depth and the focus size of tumor locus to be treated, the length of probe tube 2 and probe 3 can be designed to different size, and caliber should be as far as possible little, so that its treatment can reach Wicresoft or noninvasive purpose.Thereby the probe tube 2 of different length can be used with probe 3 and satisfy different oncotherapy demands.The outermost layer circular ring path of probe tube 2 is evacuated, and its objective is for the heat transfer between high temperature fluid and tube wall surrounding health tissue in the isolated as far as possible pipe, thereby avoids the health tissues of burning.The center of probe tube 2 is a round steam passage 24, and the high-temperature steam high-temperature steam that steam generator 1 produces flows to its working position-probe 3 thus.Annular water return flow line 23 in the time of between probe tube 2 central circular steam channels 24 and the annular vacuum chamber 21 outside it, return after probe 3 release heat become liquid water for steam, because the liquid water temperature is higher, so avoided the significantly reduction of vapor (steam) temperature, and be annular vacuum chamber 21 because of exocoel simultaneously, the unlikely outer wall that passes to of high-temp liquid hydro-thermal amount.Because probe tube 2 comprises hollow vapor chamber 26, annular water cavity road 25 and circular probe tube body 27, hollow vapor chamber 26 connects steam generator 1, the liquid water that annular water cavity road 25 returns in order to storage, liquid is reusable in it, form steam once again after can being transported to steam generator 1, also can discharge on the spot; Between probe tube 2 and the probe 3 by being threaded, can dismantle mutually, if pull down separate probe 3, then this utility model can serve as steam injection apparatus, tumor locus to be treated is arrived in the direct spray of high-temperature steam that steam generator 1 produces, form liquid water behind the part steam cooling, still can return annular water cavity road 25 along the annular water return flow line 23 of probe tube 2, part steam or liquid water also can increase the oncotherapy effect after infiltrating tissue.
The microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy that this utility model provides, the probe precursor 35 of its probe 2 is hollow cavity, be filled with netted heat-barrier material 33 in it, probe 3 outer walls select to use high heat conductivity metal, so that heat exchange preferably takes place, thereby improve thermotherapy effect with tumor to be treated.Steam in the probe 3 come to have fine pore on circulation road 31 one section channel wall inwardly, after entering probe 3, the steam of probe tube 2 can penetrate into netted heat-barrier material 33 on every side along these holes, steam generation this moment phase-change heat-exchange, emit a large amount of heats, because probe 3 has good heat exchange with surrounding tissue, a large amount of heats directly act on tumor tissues, thus the purpose of the treatment tumor that reaches a high temperature.The liquid water in the netted heat-barrier material 33 and the steam that partly do not liquefy flow back to probe tube 2, return along liquid reflux channel.Thus, the heat that the microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy of the present utility model can produce steam is transferred to deep tumor place or certain tract such as positions such as digestive tract, rectum in the body with the lossless manner of minimum, reaches the purpose of oncotherapy.The head of probe 3 can be circle, arcuation, in order to entering deep tissue, avoiding scratching along the journey tissue, and the diameter of probe tube 2 and probe 3 generally should be as far as possible little, generally between 1mm-10mm, so that reduce mechanical damage in the time of in putting in human body as far as possible to tissue, probe tube 2 and probe 3 can be made into the counterpart of different length, therefore, this utility model is applicable to different depth, different size tumor thermotherapy usefulness, and because external diameter is less, the very little even undamaged tumor by local thermotherapy probe for a kind of degree of injury.Probe 3 apical heads can be provided with thermocouple to measure the temperature of tumor locus in the therapeutic process, serve as a kind of thermotherapy supervising device.
From the above mentioned, the origin of heat that this utility model adopts is controlled easily in the common steam generator, and probe tube and probe are made relatively easy, and no complicated circuit is simple in structure, radiationless, thermometric and to estimate the degree of heat of tumor more or less freely, good heat-insulation effect, and because of caliber less, very little to machinery and hot injury along the journey tissue, if at the tract treatment, then harmless fully, and can realize the spraying steam therapeutic purposes.
Below in conjunction with drawings and Examples explanation is described in further detail.
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is a steam flow diagram of the present utility model;
Accompanying drawing 3 is the structural representation of this utility model probe tube 2;
Accompanying drawing 3A is the A-A profile of this utility model accompanying drawing 2;
Accompanying drawing 3B is the B-B profile of this utility model accompanying drawing 2;
Accompanying drawing 4 is the structural representation of working position of the present utility model----probe 3;
Accompanying drawing 4A is the A-A profile of this utility model accompanying drawing 4;
Accompanying drawing 4B is the B-B profile of this utility model accompanying drawing 4; Wherein: steam generator 1 probe tube 2 probes 3
Annulus steam channel 24 annular water cavity roads 25 hollow vapor chamber 26
Probe tube main body 27 round steams come circulation road 31 netted heat-barrier materials 33
Probe precursor 35 annulus fluid return passageways 34
As seen from the figure, the microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy that this utility model provides, it is characterized in that: comprise steam generator 1, probe tube 2 and probe 3, probe tube 2 one ends and steam generator 1 are connected, the other end probe 3 that is threaded; Probe tube 2 is one by the integrative-structure that constitutes to preceding hollow vapor chamber 26, annular water cavity road 25 and the circular probe tube body of placing successively 27 from the back, its axial centre is provided with the round steam passage 24 that communicates with hollow vapor chamber 26, axially being provided with successively and round steam passage 24 annular water return flow line 23 and annular vacuum chambers 21 concentric and that communicate with annular water cavity road 25 outside the round steam passage 24, the tube wall of circular probe tube body 27 is provided with the vacuum orifice 22 that communicates with annular vacuum chamber 21; The probe 3 that is connected with steam generator 1 is one by from the back to the annular fluid return passageway 34 that before sets gradually with the integrative-structure of probe precursor 35, probe precursor 35 front ends are circle or arc, the axial centre of probe 3 is provided with the round steam that communicates with round steam passage 24 in the circular probe tube body 27 and comes circulation road 31, steam come circulation road 31 outside be axially arranged with ring-shaped liquid backward channel 34, probe precursor 35 is hollow cavity, is filled with netted heat-barrier material 33 in it; The material of probe 3 outer walls is the high thermal conductivity metal material; The diameter of described probe tube 2 and probe 3 can be done very for a short time, generally at 1mm-10mm; Round steams in the probe 3 come to have fine pore on circulation road 31 one section channel wall inwardly; The apical head of probe 3 is provided with in order to measure the thermocouple of tumor locus temperature in the therapeutic process.
When practical, the liquid water that high-temperature steam that is produced by steam generator 1 and even later stage form can move in the runner that probe tube 2 and probe 3 are formed.The depth and focus size according to tumor locus to be treated, the length of probe tube 2 and probe 3 can be designed to different size, this instrument reaches Wicresoft or noninvasive purpose but caliber should be tried one's best little, thereby the probe tube of different length 2 can be used with probe 3 and satisfies different oncotherapy demands.Probe tube 2 structures as shown in Figure 2, its outermost layer circular ring path is evacuated, purpose is for the heat transfer between high temperature fluid and tube wall surrounding health tissue in the isolated as far as possible pipe, thereby avoids the tissue of burning.The center flow channels of probe tube 2 is a steam channel, and high-temperature steam flows to the working position of this instrument thus--probe 3 (Fig. 3).Liquid reflux channel during circular ring path between probe tube central passage and outer wall vacuum chamber, return after probe 3 release heat become liquid water for steam, because the liquid water temperature is higher, so avoided the significantly reduction of vapor (steam) temperature, and be vacuum system because of exocoel simultaneously, the unlikely outer wall that passes to of high-temp liquid hydro-thermal amount.Probe tube 2 comprises vapor chamber, liquid water cavity and subsequent three donut tracts (Fig. 2).Vapor chamber connects steam generator.The liquid water that the liquid water cavity returns in order to storage, liquid is reusable in it, forms steam once again after can being transported to steam generator, also can discharge on the spot.The steam flow channel of probe tube, liquid water runner are connected with netted heat-barrier material 33 passages with the steam flow channel of probe respectively.Connect by internal and external threads between probe tube 2 and the probe 3, can disassemble mutually, if separate probe pipe 2 and probe 3, then this instrument serves as steam injection apparatus, be about to the direct spray of incoming flow high-temperature steam to tumor locus to be treated, form liquid water behind the subsequent section steam cooling, still can return along probe tube liquid water return flow line, part steam or liquid water also can increase the oncotherapy effect after infiltrating tissue.If probe tube 2 is connected use with probe 3, then this instrument is the therapy system of sealing.Probe precursor 35 is formed (Fig. 3) by one section steam channel and netted heat-barrier material 33 on every side, and probe 3 outer walls are selected high heat conductivity metal, so that with tumor to be treated heat exchange preferably takes place, thereby improves thermotherapy effect.Jet chimney structure in the probe 3 is for having fine pore (entrance is then for solid) at the certain position of distance inlet wall, after entering probe, the next steam of probe tube can penetrate into netted heat-barrier material 33 on every side along these spaces, steam generation this moment phase-change heat-exchange, emit a large amount of heats, because probe and surrounding tissue have good heat exchange, a large amount of heats directly act on tumor tissues, thus the purpose of the treatment tumor that reaches a high temperature.Flow back to probe tube after the liquid water in the netted heat-barrier material 33 and the steam that partly do not liquefy, return along liquid reflux channel.Thus, the heat that tumor probe thermotherapeutic of the present utility model system can produce steam is transferred to deep tumor place or certain tract such as positions such as digestive tract, rectum in the body with the lossless manner of minimum, reaches the purpose of oncotherapy.Probe makes certain arcuation, in order to entering deep tissue or avoiding scratching along the journey tissue, and the diameter of probe tube and probe should as far as possible little (generally between 1-10mm), reduce mechanical damage when avoiding being punctured in the body as far as possible to tissue, probe tube, probe can be made into the counterpart of different length, therefore, native system is used applicable to different depth, different size tumor thermotherapy, and because external diameter is less, native system is a tumor by local thermal therapy system that degree of injury is very little.End of probe can be provided with thermocouple to measure the temperature of tumor locus in the therapeutic process, and it can serve as a kind of thermotherapy monitor message.
Claims (6)
1. microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy, it is characterized in that: comprise steam generator 1, probe tube 2 and probe 3, probe tube 2 one ends and steam generator 1 are connected, the other end probe 3 that is threaded; Probe tube 2 is one by the integrative-structure that constitutes to preceding hollow vapor chamber 26, annular water cavity road 25 and the circular probe tube body of placing successively 27 from the back, its axial centre is provided with the round steam passage 24 that communicates with hollow vapor chamber 26, axially being provided with successively and round steam passage 24 annular water return flow line 23 and annular vacuum chambers 21 concentric and that communicate with annular water cavity road 25 outside the round steam passage 24, the tube wall of circular probe tube body 27 is provided with the vacuum orifice 22 that communicates with annular vacuum chamber 21; The probe 3 that is connected with steam generator 1 is one by from the back to the annular fluid return passageway 34 that before sets gradually with the integrative-structure of probe precursor 35, probe precursor 35 front ends are circle or arc, the axial centre of probe 3 is provided with the round steam that communicates with round steam passage 24 in the circular probe tube body 27 and comes circulation road 31, and steam comes to be axially arranged with outside the circulation road 31 ring-shaped liquid backward channel 34.
2. by the described microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy of claim 1, it is characterized in that: probe precursor 35 is hollow cavity, is filled with netted heat-barrier material 33 in it.
3. by the described microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy of claim 1, it is characterized in that: the material of probe 3 outer walls is the high thermal conductivity metal material.
4. by the described microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy of claim 1, it is characterized in that: the diameter of described probe tube 2 and probe 3 is 1mm-10mm.
5. by the described microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy of claim 1, it is characterized in that: the round steams in the probe 3 come to have fine pore on circulation road 31 one section channel wall inwardly.
6. by the described microtrauma type vapor probe thermotherapeutic instrument that is used for oncotherapy of claim 1, it is characterized in that: the apical head of probe 3 is provided with in order to measure the thermocouple of tumor locus temperature in the therapeutic process.
Priority Applications (1)
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CN 00234475 CN2418844Y (en) | 2000-05-11 | 2000-05-11 | Steam probe thermatological instrument for tumors |
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CN 00234475 CN2418844Y (en) | 2000-05-11 | 2000-05-11 | Steam probe thermatological instrument for tumors |
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CN2418844Y true CN2418844Y (en) | 2001-02-14 |
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CN 00234475 Expired - Fee Related CN2418844Y (en) | 2000-05-11 | 2000-05-11 | Steam probe thermatological instrument for tumors |
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- 2000-05-11 CN CN 00234475 patent/CN2418844Y/en not_active Expired - Fee Related
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