CN200960355Y - Pipeline support capable of bearing minitype radioactive particle source - Google Patents
Pipeline support capable of bearing minitype radioactive particle source Download PDFInfo
- Publication number
- CN200960355Y CN200960355Y CNU2006200461155U CN200620046115U CN200960355Y CN 200960355 Y CN200960355 Y CN 200960355Y CN U2006200461155 U CNU2006200461155 U CN U2006200461155U CN 200620046115 U CN200620046115 U CN 200620046115U CN 200960355 Y CN200960355 Y CN 200960355Y
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- particle source
- particle
- drainage tube
- radioactive particle
- duct
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Abstract
The utility model relates to a technical field of medical appliance, which is a tube-support for loading radioactive particle source, having a conduction function and being used for the internal irradiation therapy of the biliary duct or pancreatic cancer at the intermediate and late stage, comprising a drainage tube (1) and barbs (2) in opposite directions equipped on both ends of the drainage tube, wherein the intracavity of the drainage tube is a drainage cavity (1.1), particles pore path (1.2) is equipped in the pipe wall, the diameter of the particles pore path matches with the external diameter of the radioactive particle source, the outside walls of the particles pore path are provided with radiating window openings (1.3) of the radioactive particle source, the width and the length of the window openings are slightly smaller than the radioactive particle source. The utility model has simple structure and convenient employment, can be embedded into the human body with the microtrauma operation by a microtrauma, and has the functions of radiotheraphy and conduction.
Description
Technical field
This utility model relates to technical field of medical instruments, but is the support of pipelines in a kind of bearing micro radioactive particle source, is mainly used in the internal-radiation therapy of advanced pancreatic cancer or cancer of biliary duct and possesses the drain function.
Background technology
Cancer of pancreas and cancer of biliary duct are one group the state of an illness are dangerous, cure rate is low, the malignant tumor of digestive tract of prognosis extreme difference, have belonged to middle and advanced stage during most the discovery, often can't excision.Tumor usually can be oppressed ductus pancreaticus, bile duct, causes stenosis or occlusion.For the pipeline stenosis or occlusion, insert the support of pipelines that possesses the drain function under the main at present employing scope and alleviate clinical symptoms.Clinical support of pipelines commonly used is made up of the set agnail in opposite directions of the drainage tube and the outside, drainage tube two ends.By duodenoscope support of pipelines is inserted affected part, drainage tube is supported on the stenosis or occlusion zone, and bile or pancreatic juice can carry out drain by drainage lumens in managing; The two ends agnail is used for fixing backing positions, both can prevent support to the enteric cavity slippage, can prevent that again support from entering in ductus pancreaticus or the bile duct fully.Support can regularly take out replacing, to keep drain unobstructed.
For the treatment of cancer of pancreas and cancer of biliary duct, have clinically at present and carry out local radiotherapy with miniature radiation particle source, curative effect is determined.The medical miniature radioactive particle is that radionuclide is encapsulated in the rod-short solid source of making in the titanium alloy casing.Particle at present commonly used have iodine (
125I), iridium (
192Ir), palladium (
103Pd) particle etc., clinical regular size is length 4.5mm, diameter 0.8mm.Be placed near the tumor or implant in the tumor body and shine, have treatment target spot local dose height, the low and safety of the normal surrounding tissue amount of being subjected to, reliable, easy characteristics such as protection.But radioactive particle is often implanted by operation, perhaps by B ultrasonic, CT guiding down puncture implant, exist complicated operation, wound big, be unfavorable for shortcoming such as patient's rehabilitation, and can't take out after implanting, can not in time adjust therapeutic scheme according to curative effect.
Summary of the invention
But the purpose of this utility model provides the support of pipelines in a kind of bearing micro radioactive particle source.Can insert affected part in ductus pancreaticus or the bile duct by duodenoscope, easy to operate when not only inserting, wound is minimum, and both has drainage, can carry out the localized sustained irradiation to tumor on every side again, also can take out as required or regularly replace.
This utility model is to the improvement of existing ductus pancreaticus and biliary tract prosthesis, is made up of the set agnail in opposite directions of drainage tube and drainage tube two ends.The inner chamber of drainage tube is 1 drainage lumens that caliber is thicker, be provided with the fine particle duct parallel and isometric in the tube wall outside the drainage lumens with drainage lumens, the diameter coupling of the internal diameter in duct and miniature radiation particle source, the lateral wall in this duct is provided with irradiation window, the length of irradiation window and width are slightly less than miniature radiation particle source, so that miniature radiation particle source can not deviate from after being placed into irradiation window by the particle duct.
This support of pipelines can be designed to the different size model, as the different various outer diameters of selecting according to bile duct and ductus pancreaticus thickness, the position difference that distributes according to carcinoma can design 1,2 or many particle ducts, according to radiotherapy needs designs 1,2 or a plurality of irradiation window, the size of irradiation window and spacing also can be different because of radiation source shape or intensity size.Select corresponding specifications and models during use, earlier miniature radiation particle source is placed the irradiation window of this support, the relevant position of routinely support being inserted bile duct or ductus pancreaticus by duodenoscope gets final product again.
This utility model is with low cost, simple in structure, easy to use, bile duct can be expanded or ductus pancreaticus plays drainage, can under Wicresoft, miniature radiation particle source be placed around the carcinoma again, carcinoma is carried out the closely radiotherapy of continuous and effective, can also take out when needed in good time or change, help patient treatment and rehabilitation.
This utility model also can be inserted other position by endoscope or other approach, and carcinoma is carried out radiotherapy.
Description of drawings
Fig. 1 is this utility model overall structure sketch map
Fig. 2 is this utility model vertical section structure sketch map
The specific embodiment
Now in conjunction with the accompanying drawings and embodiments this utility model is described in detail.
This utility model is made up of the set agnail 2 in opposite directions of drainage tube 1 and drainage tube two ends.Drainage tube 1 inner chamber is a drainage lumens 1.1, is provided with particle duct 1.2 on every side in the tube wall, its diameter and miniature radiation particle source external diameter coupling.The lateral wall in particle duct 1.2 is provided with irradiation window 1.3.Irradiation window 1.3 length and width are slightly less than miniature radiation particle source.
During use,, select the suitable miniature radiation particle source and the support of pipelines of corresponding specifications and models, one by one micro particle is inserted the particle duct 1.2 of support and make it be fixed in irradiation window 1.3 according to therapeutic scheme.
By scope support is inserted in bile duct or the ductus pancreaticus routinely again, adjust backing positions down, miniature radiation particle source is positioned near the lesion region in X line perspective.Agnail 2 can help the fixed support position.
But the ductus pancreaticus support in 1. 1 kinds of bearing micro radioactive particles of embodiment source
The length of this utility model drainage tube is 54.4mm, and external diameter is 3.2mm, and the drainage lumens diameter is 1.8mm, is provided with 1 particle duct in the tube wall.Particle duct internal diameter is 0.8mm.The lateral wall in particle duct is provided with 3 irradiation windows, and the length and width high score is 4.4 * 0.7 * 0.2 (mm), adjacent irradiation window Center Gap 10.0mm.The both sides irradiation window is 15.0mm apart from the drainage tube two ends.Two agnail length are 7mm, and its root is apart from each 5mm of drainage tube two ends.Miniature radiation particle source length 4.5mm, diameter 0.8mm.Single particle activity 0.5mCi.The carrying radioactivity that this design therapeutic dose is 50Gy
125The ductus pancreaticus support of I particle source is successfully inserted in the Pancreas Sus domestica pipe by scope lower carriage implantation, and confirms that this support is safe and effective.
But the biliary tract prosthesis in 2. 1 kinds of bearing micro radioactive particles of embodiment source
The length of this utility model drainage tube is 69.4mm, and external diameter is 3.6mm, and the drainage lumens diameter is 1.5mm, is provided with symmetrical 2 particle ducts in the tube wall.Particle duct internal diameter is 0.8mm.The lateral wall in every particle duct is equipped with 6 irradiation windows, and the length and width high score is 4.4 * 0.7 * 0.2 (mm), adjacent irradiation window Center Gap 5.0mm.The head end irradiation window is 25.0mm apart from drainage tube initiating terminal distance, the tail end irradiation window apart from the drainage tube end-to-end distance from being 15.0mm.Two agnail length are 7mm, and its root is apart from each 5mm of support two ends.Miniature radiation particle source length 4.5mm, diameter 0.8mm.Single particle activity 0.6mCi.The carrying radioactivity that this design therapeutic dose is 150Gy
125The biliary tract prosthesis of I particle source is successfully inserted in the Fel Sus domestica pipe by scope lower carriage implantation, and confirms that this support is safe and effective.
Claims (3)
- But 1, the support of pipelines in a kind of bearing micro radioactive particle source, form by drainage tube (1) and drainage tube two ends agnail (2) in opposite directions, drainage tube (1) inner chamber is drainage lumens (1.1), it is characterized in that being provided with in the tube wall particle duct (1.2), particle duct (1.2) diameter and miniature radiation particle source external diameter coupling, the lateral wall in particle duct (1.2) is provided with irradiation window (1.3), and the size of irradiation window and miniature radiation particle source coupling also can not deviate from particle source from window.
- 2,, it is characterized in that said particle duct is 1-2 by the described support of pipelines of claim 1.
- 3,, it is characterized in that said irradiation window is 1-6 by claim 1 or 2 described supports of pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200461155U CN200960355Y (en) | 2006-09-21 | 2006-09-21 | Pipeline support capable of bearing minitype radioactive particle source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200461155U CN200960355Y (en) | 2006-09-21 | 2006-09-21 | Pipeline support capable of bearing minitype radioactive particle source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200960355Y true CN200960355Y (en) | 2007-10-17 |
Family
ID=38796865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200461155U Expired - Lifetime CN200960355Y (en) | 2006-09-21 | 2006-09-21 | Pipeline support capable of bearing minitype radioactive particle source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200960355Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1927421B (en) * | 2006-09-21 | 2011-08-31 | 中国人民解放军第二军医大学 | Pipe support capable of load-bearing minisize active particle source |
| CN104353189A (en) * | 2014-11-07 | 2015-02-18 | 滕皋军 | Three-dimensional precise intraluminal radiation therapy method and system for cancer treatment |
| CN104507422A (en) * | 2013-03-07 | 2015-04-08 | 奥林巴斯医疗株式会社 | Medical stent |
| CN105769399A (en) * | 2014-12-23 | 2016-07-20 | 刘凯 | Pancreatic duct stent capable of being taken out easily |
| CN106512197A (en) * | 2016-11-21 | 2017-03-22 | 窦春青 | Radioactive lumen stent |
| CN106974752A (en) * | 2017-04-06 | 2017-07-25 | 张西坤 | Spiral particle support |
| CN107212953A (en) * | 2017-05-04 | 2017-09-29 | 郑州大学第附属医院 | A kind of biliary tract radiation treatment stent |
-
2006
- 2006-09-21 CN CNU2006200461155U patent/CN200960355Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1927421B (en) * | 2006-09-21 | 2011-08-31 | 中国人民解放军第二军医大学 | Pipe support capable of load-bearing minisize active particle source |
| CN104507422A (en) * | 2013-03-07 | 2015-04-08 | 奥林巴斯医疗株式会社 | Medical stent |
| CN104353189A (en) * | 2014-11-07 | 2015-02-18 | 滕皋军 | Three-dimensional precise intraluminal radiation therapy method and system for cancer treatment |
| CN105769399A (en) * | 2014-12-23 | 2016-07-20 | 刘凯 | Pancreatic duct stent capable of being taken out easily |
| CN106512197A (en) * | 2016-11-21 | 2017-03-22 | 窦春青 | Radioactive lumen stent |
| CN106512197B (en) * | 2016-11-21 | 2023-11-07 | 窦春青 | Radioactive lumen stent |
| CN106974752A (en) * | 2017-04-06 | 2017-07-25 | 张西坤 | Spiral particle support |
| CN106974752B (en) * | 2017-04-06 | 2018-11-23 | 张西坤 | Spiral particle bracket |
| CN107212953A (en) * | 2017-05-04 | 2017-09-29 | 郑州大学第附属医院 | A kind of biliary tract radiation treatment stent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20071017 Effective date of abandoning: 20060921 |