CN102397099A - Aneurysm interventional thermotherapy device - Google Patents
Aneurysm interventional thermotherapy device Download PDFInfo
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- CN102397099A CN102397099A CN2011102533952A CN201110253395A CN102397099A CN 102397099 A CN102397099 A CN 102397099A CN 2011102533952 A CN2011102533952 A CN 2011102533952A CN 201110253395 A CN201110253395 A CN 201110253395A CN 102397099 A CN102397099 A CN 102397099A
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- antenna
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- aneurysm
- heating
- guide tube
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Abstract
An aneurysm interventional thermotherapy device feeds a heating antenna to an aneurysm cavity through a guide tube, and then partially and quickly heats after the antenna is released, so that the blood in the aneurysm cavity can be quickly coagulated to reach the curing aim; then the antenna is withdrawn and the guide tube is pulled outside to accomplish the aneurysm interventional thermotherapy operation. The heating antenna is fed to the aneurysm cavity through the guide tube and heats by using the theories of microwave thermotherapy, ultrasound thermotherapy and radiofrequency thermotherapy, so the blood in the aneurysm cavity can be quickly coagulated. The heating antenna is installed in the guide tube, and the front end of the heating antenna can be pushed or can extend outside the guide tube. The number of the antenna is one or more, and the one or more antennas can be freely unfolded to form a spherical flower petal shape so as to improve the heating efficiency. After heating, the antenna can be withdrawn to the guide tube to separate the coagulation thrombus. The device combines the invasion of the interventional treatment with the rapidity of the partial thermotherapy, so the device can be easily fed to the circuitous intracranial artery and the application of interventional thermotherapy for aneurysms is wider.
Description
Technical field:
The invention belongs to the biomedical engineering technology field, relate to a kind of aneurysmal heat treatment therapeutic device of interventional therapy that is used for.
Background technology:
Aneurysmal Therapeutic Method mainly contains two kinds: surgical clips is closed and interventional therapy.Main purpose all is blocking-up or reduces blood and get into aneurysm cavity, alleviates the tumor intracavity blood and flows, and impels the tumor intracavity to form thromboembolism, avoids aneurysmal development and breaks.The endovascular stent interventional therapy method has very remarkable advantages with respect to conventional surgical treatment, and promptly wound is slight, mortality rate is low, average of operation periods is short, cost is low etc., so receive that more and more clinical medical attention, present clinical practice are very extensive.
Overlay film frame is suitable for aneurysmal embolotherapy most.Use when overlay film frame is treated aneurysm in the blood vessel, the blood flow of tumor mouth is stoped by one deck physical barriers, can be when keeping parent artery unobstructed; Isolate pathological changes rapidly; End the blood flow in it, promote the tumor intracavity blood to solidify, form thrombosis, reach therapeutic purposes.But the topmost defective of overlay film frame is the little blood vessel of wanting in inaccessible its institute's coverage of branch, and seals these peripheral vessels branches and perforating branches possibly cause serious consequence.Adopt the selectivity overlay film frame in the sealing aneurysm neck, can avoid the shutoff perforating branch, but the location of operation difficulty is big.Because the cerebral arteries many places are in the tip position; Tiny and tortuous blood vessel is had relatively high expectations to vertical motility of the importing property of support and compliance, operation; Cause the interior overlay film frame of blood vessel also to receive certain restriction, be difficult for sending to the extremely tortuous year tumor position of little blood vessel in the application of intracranial; In addition, overlay film frame also is not suitable for treating the aneurysm that is positioned at furcation or the opening aneurysm near aortic bifurcation in the blood vessel.Therefore, the application of overlay film frame at present only limits to the outer blood vessel of cranium, internal carotid artery near-end and vertebra basilar artery, in entocranial artery, uses less.The appearance of intracranial special stand Neuroform and combination electrolysis thereof can be shirked turn (Guglielmi detechable coil; GDC), GDC, all kinds of liquid embolizing agent and the different materials after the modification is in clinical integrated application; To the treatment refractory aneurysms particularly the wide carotid aneurysm of intracranial play a role, make aneurysmal endovascular treatment indication more extensive.Yet the same existence of Neuroform support possibly cause near the perforating branches blood vessel pressurized aneurysm or obturation, putting in place and discharge problems such as still there being certain difficulty for tortuous entocranial arteries such as anterior cerebral arterys.
Thermotherapy is a heat therapy, is widely used in tumor treatment at present.It is through rising body temperature or local warming, changes the residing environment of tumor cell, and makes its degeneration, necrosis, solidifies, thereby reaches the purpose of treatment tumor.Thermotherapy is divided into two types of whole-body hyperthermia and local thermotherapies, and whole-body hyperthermia can be heated through extracorporeally circulating blood, but the whole-body hyperthermia untoward reaction is bigger, and the patient often is difficult to tolerance.Local thermotherapy is divided into microwave heat therapeutic, ultrasound thermal therapy, RF thermotherapeutic etc. according to its principle difference again.Local thermotherapy's method is easy, and side effect is less, and the patient is acceptant.In recent years, an interior local thermotherapy of giving birth to receives extensive attention clinically, and obtains better therapeutic effect.Thermotherapy and radiotherapy, chemotherapy have synergism, have reduced the related side effects of Therapeutic Method such as radiotherapy, chemotherapy, therefore have the people local thermotherapy to be called " green remedy " of oncotherapy.
Therefore the principle of aneurysm treatment is that the tumor intracavity blood is solidified, and the result of thermotherapy makes tissue coagulation.Applicant's imagination combines the two, just in time can utilize the method treatment aneurysm of thermotherapy.The characteristics of this method are to have combined the invasive of interventional therapy and the rapidity of local thermotherapy.Therefore proposed novel " aneurysm insertion type heat treatment therapeutic device ".
Summary of the invention:
The present invention is applied to the aneurysm embolotherapy with the thermotherapy solidification technology, changes antenna for thermotherapy into the flexible conduit conveyer device.The characteristics of this method are to have combined the invasive of interventional therapy and the rapidity of local thermotherapy.
A kind of aneurysm insertion type heat treatment therapeutic device is characterized in that: comprise heating unit and flexible heating antenna; Flexible heating antenna is contained in the conduit, and flexible heating antenna one end is connected with heating unit through connecting cable, and the flexible heating antenna other end can be pushed to be stretched out conduit or draw back conduit.
Utilize heating element apparatus such as microwave heat therapeutic, ultrasound thermal therapy, RF thermotherapeutic, laserthermia to heat, impel aneurysm cavity inner blood rapid solidification.
Further, antenna is one or Cheng Duogen, when antenna is many, can be launched into spherical petal-shaped.
The heating antenna front end can be pushed, stretched out conduit; Antenna can be one, also can be launched into many, and can freely be launched into spherical petal-shaped, to improve the efficiency of heating surface.
Further, after heating finished, antenna can be drawn back in the conduit, broke away from and solidified thrombosis; Antenna and conduit are extracted external back out and are accomplished whole insertion type thermotherapy process.
This device utilizes the microtubular interventional therapy method, wound is little, misery less, cost is few; Utilize antenna that aneurysm cavity is carried out local fast heating, shortened treatment time greatly; By flexible conduit and antenna, can arrive less blood vessel of intracranial and tortuous blood vessel aneurysm is treated.Operation is simple, and adaptability is big.To doctor and patient all is good Gospel.
Description of drawings:
Fig. 1 is the population structure sketch map of aneurysm insertion type heat treatment therapeutic device; Among the figure, 1, heating antenna, 2, conduit, 3, operating grip, 4, connect cable, 5, heating unit.
The specific embodiment:
The present invention sends to heating antenna in the aneurysm cavity through conduit, carries out local fast heating behind the release antenna, and the aneurysm cavity inner blood is solidified rapidly, reaches the purpose of treatment.For narrow carotid aneurysm, only can reach the purpose of treatment with the method for thermotherapy; For refractory aneurysms such as wide necks, can cooperate endovascular stent to cover the aneurysm mouth in advance, and then with heating antenna through conduit, pass scaffolding thread and send in the aneurysm cavity and to implement treatment.The heating antenna front end can be pushed, stretched out conduit; Antenna can be one, also can be launched into many, and can freely be launched into spherical petal-shaped, to improve the efficiency of heating surface.Behind to be heated the finishing, regain antenna, withdraw from conduit, the operation of aneurysm insertion type thermotherapy finishes.
Important technological parameters:
The used heating of this device unit be connected cable and can adopt heater such as present widely used microwave heat therapeutic, ultrasound thermal therapy, RF thermotherapeutic, laserthermia and connect cable accordingly; This installs used conduit and can adopt and at present be widely used in clinical Wicresoft's interventional therapy and use microtubular; This installs used heating antenna and can on the basis of existing antenna for thermotherapy, improve a little and get final product.Therefore, this device has good technological feasibility and clinical practice basis technically.Important technological parameters is following:
Supply voltage: 220/380 (50Hz) power: 1-5kW
Heat the continuous adjustable depth of penetration heating of first output: 100-900W:＞100mm
Catheter length:＞500mm conduit diameter: 0.5-3.0mm
Antenna diameter: 0.1-2.0mm.
Claims (3)
1. an aneurysm insertion type heat treatment therapeutic device is characterized in that: comprise heating unit and flexible heating antenna; Flexible heating antenna is contained in the conduit, and flexible heating antenna one end is connected with heating unit through connecting cable, and the flexible heating antenna other end can be pushed to be stretched out conduit or draw back conduit.
2. aneurysm insertion type heat treatment therapeutic device according to claim 1 is characterized in that: antenna is one or Cheng Duogen, when antenna is many, can be launched into spherical petal-shaped.
3. aneurysm insertion type heat treatment therapeutic device according to claim 1 is characterized in that: heating unit is microwave, ultrasonic, radio frequency or laser aid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102533952A CN102397099A (en) | 2011-08-30 | 2011-08-30 | Aneurysm interventional thermotherapy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102533952A CN102397099A (en) | 2011-08-30 | 2011-08-30 | Aneurysm interventional thermotherapy device |
Publications (1)
| Publication Number | Publication Date |
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| CN102397099A true CN102397099A (en) | 2012-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2011102533952A Pending CN102397099A (en) | 2011-08-30 | 2011-08-30 | Aneurysm interventional thermotherapy device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596550A (en) * | 2017-09-01 | 2018-01-19 | 陕西鑫带路电子科技有限公司 | A kind of RF heat therapy equipment |
Citations (6)
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| US5827276A (en) * | 1995-03-24 | 1998-10-27 | Board Of Regents Of Univ Of Nebraksa | Apparatus for volumetric tissue ablation |
| CN1290148A (en) * | 1998-12-14 | 2001-04-04 | 西奥多C·奥姆斯比 | Radio-frequency based catheter system and hollow co-axial cable for ablation of body tissues |
| CN1293022A (en) * | 1999-10-14 | 2001-05-02 | 北京东方康业科贸有限责任公司 | Temp-controllable microwave radiator of cancers |
| CN1247164C (en) * | 2002-09-23 | 2006-03-29 | 李弘� | Ball catheter for non-continuously heating to remake tissue of human body |
| WO2010137920A2 (en) * | 2009-05-28 | 2010-12-02 | Taewoong Medical Co., Ltd. | Electrode needle of radio frequency ablation device |
| CN202263053U (en) * | 2011-08-30 | 2012-06-06 | 北京工业大学 | Aneurysm intervention type thermal therapy device |
-
2011
- 2011-08-30 CN CN2011102533952A patent/CN102397099A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827276A (en) * | 1995-03-24 | 1998-10-27 | Board Of Regents Of Univ Of Nebraksa | Apparatus for volumetric tissue ablation |
| CN1290148A (en) * | 1998-12-14 | 2001-04-04 | 西奥多C·奥姆斯比 | Radio-frequency based catheter system and hollow co-axial cable for ablation of body tissues |
| CN1293022A (en) * | 1999-10-14 | 2001-05-02 | 北京东方康业科贸有限责任公司 | Temp-controllable microwave radiator of cancers |
| CN1247164C (en) * | 2002-09-23 | 2006-03-29 | 李弘� | Ball catheter for non-continuously heating to remake tissue of human body |
| WO2010137920A2 (en) * | 2009-05-28 | 2010-12-02 | Taewoong Medical Co., Ltd. | Electrode needle of radio frequency ablation device |
| CN202263053U (en) * | 2011-08-30 | 2012-06-06 | 北京工业大学 | Aneurysm intervention type thermal therapy device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596550A (en) * | 2017-09-01 | 2018-01-19 | 陕西鑫带路电子科技有限公司 | A kind of RF heat therapy equipment |
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Application publication date: 20120404 |