CN208958421U - A kind of biliary tract particle support system - Google Patents
A kind of biliary tract particle support system Download PDFInfo
- Publication number
- CN208958421U CN208958421U CN201821006684.6U CN201821006684U CN208958421U CN 208958421 U CN208958421 U CN 208958421U CN 201821006684 U CN201821006684 U CN 201821006684U CN 208958421 U CN208958421 U CN 208958421U
- Authority
- CN
- China
- Prior art keywords
- particle
- layer
- storehouse
- particle storehouse
- biliary tract
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a kind of biliary tract particle support systems, belong to medical instruments field.Including internal mesh skeleton and external particles carrying device, external particles carrying device is particle storehouse, and the surface of mesh skeleton is arranged in along the long axis direction of mesh skeleton for particle storehouse, and particle storehouse is longitudinally arranged in parallel with particle storehouse；Particle storehouse is provided with M layers of N column, wherein first layer is provided with N number of, the second layer is provided with N/2, the N/2 particle storehouse is spaced setting on N column, and the second layer is disposed adjacent with first layer, third layer is provided with N/2, the N/2 particle storehouse is spaced setting on N column and is arranged in a staggered manner with the second layer, the spacing distance of third layer and first layer is the length in a particle storehouse, even level is identical as second layer setting structure, odd-level is identical as third layer setting structure, and M layers identical as first layer setting structure.The utility model both can achieve required radiation effect, more uniformly spread particle dose, and can reduce the damage of normal tissue.
Description
Technical field
The utility model relates to a kind of biliary tract particle support systems, belong to medical instruments field.
Background technique
Seeds implanted full name is " seeds implantation technology ", is a kind of by inside radioactive source implantation tumour, allows
Its treatment means to kill tumour.Seeds implanted treatment technology is related to radioactive source, and core is radioactive particle.It is now clinical
What is used is a kind of radioactive substance for being referred to as iodine-125.Each I-125 seeds are just as a Sunny, immediate vicinity
Ray it is most strong, the damage of normal tissue can be reduced to greatest extent.
Seeds implantation technology relies primarily on stereotactic system for the accurate intratumor injection of radioactive particle,
Lasting, short-range γ radioactive ray are issued by mini-radioactive resource, kill tumor tissues to greatest extent, and normal tissue
It does not damage or only microlesion.Compared to other oncotherapy technologies, seeds implantation technical security, effectively.By
In being implanted directly into human body, and it is radioactive source, so strictly to hold indication, if dosage is grasped improper, will cause trouble
Person's tumor tissues surrounding normal organ seriously damages.
Particle bracket is exactly the application for being united radioactive particle and bracket, and existing particle support system is as schemed
Shown in 1, the arrangement of 1 ' of particle storehouse is that the quantity of each column is all the same, which be easy to cause since radioactivity is too big
The damage of normal surrounding tissue.
Utility model content
The utility model provides a kind of biliary tract particle support system, both can achieve required radiation effect, than tradition
Particle bracket dosage more uniformly spread, the damage of normal tissue can be reduced to greatest extent.
In order to solve the above technical problems, the utility model offer technical solution is as follows:
The utility model provides a kind of biliary tract particle support system, including internal mesh skeleton and external particles carry dress
It sets, wherein:
The external particles carrying device is the particle storehouse for placing radioactive particle, and the internal diameter in the particle storehouse is greater than
The table of the mesh skeleton is arranged in along the long axis direction of the mesh skeleton for the outer diameter of the radioactive particle, the particle storehouse
Face is longitudinally arranged in parallel between particle storehouse and particle storehouse；
The particle storehouse is provided with M layers of N column, and wherein first layer is provided with N number of, and the second layer is provided with N/2, the N/2
Particle storehouse is spaced setting on the N column, and the second layer is disposed adjacent with first layer, and third layer is provided with N/2, the N/2
Particle storehouse is spaced setting on the N column and is arranged in a staggered manner with the second layer, and the spacing distance of third layer and first layer is one
The length in a particle storehouse, even level is identical as the second layer setting structure, and odd-level is identical as the third layer setting structure,
Described M layers identical as the first layer setting structure.
Further, the internal mesh skeleton is woven by nitinol alloy wire.
Further, the particle storehouse is sewn to the internal mesh skeleton by polyethylene terephthalate tunica vasculose
On.
Further, the particle storehouse is provided with 4 column, and the particle storehouse is provided with 4~7 layers.
Further, the particle storehouse is cylindrical type, the length in the particle storehouse is 3~7mm, internal diameter be 0.7~
1.1mm, the length for the radioactive particle being arranged in the particle storehouse is 2.5~6.5mm, outer diameter is 0.6~1.0mm.
Further, the length in the particle storehouse be 5mm, internal diameter 0.9mm, the radioactivity grain being arranged in the particle storehouse
Son length be 4.5mm, outer diameter 0.8mm.
Further, the radioactive particle is I-125 seeds.
Further, the material in the particle storehouse is polytetrafluoroethylene (PTFE).
The utility model has the following beneficial effects:
The biliary tract particle support system of the utility model is the application for being united radioactive particle and bracket, grain
Sub- carrying device has excellent biocompatibility and corrosion resistance, and radial expansion force is soft, acts on biliary tract inner wall, makes grain
Son is close to narrow positions, and both ends are round and smooth, no wedge angle or burr, substantially reduces the damage to biliary tract inner wall, used by device for posting
Material has no toxic and side effect to human body, and during transfer gantry, device for posting can comply with the physiological bending of human body, and leading in seal wire
Draw lower energy and passes through narrow section, it is easy to operate.Working principle is to place bracket to where tumour under the monitoring and guidance of x-ray
Biliary tract, while irradiation at short distance is carried out using radioactive particle source, to inhibit and destroy the local growth of tumour.The utility model
Biliary tract particle support system, on the one hand can get through the biliary tract blocked by tumour, release obstruction of biliary tract, make the patient be not in
A series of complication；Radioactive particle can carry out local brachytherapy, effectively control tumour growth to tumour simultaneously, prevent
Only biliary tract blocks again, and can reduce the damage to normal surrounding tissue.
Detailed description of the invention
Fig. 1 is the schematic diagram of external particles carrying device in the prior art；
Fig. 2 is the structural schematic diagram of the biliary tract particle support system of the utility model；
Fig. 3 is every layer of cross-sectional view of the biliary tract particle support system of the utility model, in which: Fig. 3 (a) is first layer,
Fig. 3 (b) is the second layer, and Fig. 3 (c) is third layer, and Fig. 3 (d) is the 4th layer, and Fig. 3 (e) is layer 5.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
The utility model provides a kind of biliary tract particle support system, as shown in Figures 2 and 3, including 2 He of internal mesh skeleton
External particles carrying device, wherein:
External particles carrying device is the particle storehouse 1 for placing radioactive particle, and the internal diameter in particle storehouse 1 is greater than radioactivity
The outer diameter of particle, particle storehouse 1 are arranged in the surface of mesh skeleton 2 along the long axis direction of mesh skeleton 2, particle storehouse and particle storehouse it
Between be longitudinally arranged in parallel；
Particle storehouse 1 is provided with M layers of N column, and wherein first layer is provided with N number of, and the second layer is provided with N/2, the N/2 particle
Storehouse is spaced setting on N column, and the second layer is disposed adjacent (as shown in Figure 1, the gap between first layer and the second layer with first layer
L can be 10mm or so), third layer is provided with N/2, which is spaced setting on N column and is staggered with the second layer
The spacing distance of setting, third layer and first layer is the length in a particle storehouse, and even level is identical as second layer setting structure, odd
Several layers identical as third layer setting structure, and M layers identical as first layer setting structure.(such as: as shown in Fig. 2, from top to bottom according to
Secondary is first layer, the second layer, third layer, the 4th layer, layer 5, and 4 column that are of five storeys are arranged in particle storehouse, then first layer is provided with 4 grains
Sub- storehouse, the second layer are provided with 2 particle storehouses, which is spaced setting on 4 column, and third layer is also equipped with 2, this 2
A particle storehouse also interval setting and is arranged in a staggered manner on 4 column with 2 particle storehouses of the second layer, the 4th layer with the setting knot of the second layer
Structure is identical, and layer 5 is identical as first layer setting structure, i.e., layer 5 is provided with 4 particle storehouses.It should be understood that above-mentioned the
Four layers are also provided with several layers between layer 5, and every layer of the several layers is provided with 2 particle storehouses, and the several layers
Current layer be arranged in a staggered manner with upper one layer of particle storehouse.
The biliary tract particle support system of the utility model is the application for being united radioactive particle and bracket, grain
Sub- carrying device has excellent biocompatibility and corrosion resistance, and radial expansion force is soft, acts on biliary tract inner wall, makes grain
Son is close to narrow positions, and both ends are round and smooth, no wedge angle or burr, substantially reduces the damage to biliary tract inner wall, used by device for posting
Material has no toxic and side effect to human body, and during transfer gantry, device for posting can comply with the physiological bending of human body, and leading in seal wire
Draw lower energy and passes through narrow section, it is easy to operate.Working principle is to place bracket to where tumour under the monitoring and guidance of x-ray
Biliary tract, while irradiation at short distance is carried out using radioactive particle source, to inhibit and destroy the local growth of tumour.The utility model
Biliary tract particle support system, on the one hand can get through the biliary tract blocked by tumour, release obstruction of biliary tract, make the patient be not in
A series of complication；Radioactive particle can carry out local brachytherapy, effectively control tumour growth to tumour simultaneously, prevent
Only biliary tract blocks again, and can reduce the damage to normal surrounding tissue.
Further, internal mesh skeleton 2 is woven by nitinol alloy wire.Particle storehouse 1 is by poly terephthalic acid second two
Alcohol ester tunica vasculose is sewn on internal mesh skeleton 2.
Particle storehouse 2 is preferably provided with 4 column, and particle storehouse can be set 4~7 layers.
Further, particle storehouse 1 can be cylindrical type, and the length in particle storehouse 1 can be 3~7mm, preferably 5mm, particle
The internal diameter in storehouse 1 can be 0.7~1.1mm, preferably 0.9mm, and the length for the radioactive particle being arranged in particle storehouse can be 2.5
~6.5mm, preferably 4.5mm, the outer diameter for the radioactive particle being arranged in particle storehouse can be 0.6~1.0mm, preferably
0.8mm.Radioactive particle can be I-125 seeds.
In the utility model, the material in particle storehouse 1 can be polytetrafluoroethylene (PTFE).It should be understood that the material in particle storehouse
Other than using above-mentioned material, it is practical not influence this for the other materials that can also be readily apparent that using those skilled in the art
The implementation of new technique scheme.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.A variety of modifications of embodiment will be readily apparent to those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model, not give
The part presented with partial enlargement is described in detail, is the prior art, herein without repeating.Therefore, the utility model will not
It is intended to be limited to the embodiments shown herein, and is to fit to consistent with principles disclosed herein and feature widest
Range.
Claims (8)
1. a kind of biliary tract particle support system, which is characterized in that including internal mesh skeleton and external particles carrying device,
In:
The external particles carrying device is the particle storehouse for placing radioactive particle, and the internal diameter in the particle storehouse is greater than described
The surface of the mesh skeleton is arranged in along the long axis direction of the mesh skeleton for the outer diameter of radioactive particle, the particle storehouse,
It is longitudinally arranged in parallel between particle storehouse and particle storehouse；
The particle storehouse is provided with M layers of N column, and wherein first layer is provided with N number of, and the second layer is provided with N/2, the N/2 particle
Storehouse is spaced setting on the N column, and the second layer is disposed adjacent with first layer, and third layer is provided with N/2, the N/2 particle
Storehouse is spaced setting on the N column and is arranged in a staggered manner with the second layer, and the spacing distance of third layer and first layer is a grain
The length in sub- storehouse, even level is identical as the second layer setting structure, and odd-level is identical as the third layer setting structure, described
M layers identical as the first layer setting structure.
2. biliary tract particle support system according to claim 1, which is characterized in that the internal mesh skeleton is closed by NiTi
Spun gold weaves.
3. biliary tract particle support system according to claim 1, which is characterized in that the particle storehouse is by poly terephthalic acid
Glycol ester tunica vasculose is sewn on the internal mesh skeleton.
4. biliary tract particle support system according to claim 1, which is characterized in that the particle storehouse is provided with 4 column, described
Particle storehouse is provided with 4~7 layers.
5. biliary tract particle support system according to claim 1 to 4, which is characterized in that the particle storehouse is cylinder
Type, the length in the particle storehouse is 3~7mm, internal diameter is 0.7~1.1mm, the length for the radioactive particle being arranged in the particle storehouse
Degree is 2.5~6.5mm, outer diameter is 0.6~1.0mm.
6. biliary tract particle support system according to claim 5, which is characterized in that the length in the particle storehouse is 5mm, interior
Diameter is 0.9mm, in the particle storehouse be arranged radioactive particle length be 4.5mm, outer diameter 0.8mm.
7. biliary tract particle support system according to claim 5, which is characterized in that the radioactive particle is iodine-125 grain
Son.
8. biliary tract particle support system according to claim 5, which is characterized in that the material in the particle storehouse is polytetrafluoro
Ethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006684.6U CN208958421U (en) | 2018-06-27 | 2018-06-27 | A kind of biliary tract particle support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006684.6U CN208958421U (en) | 2018-06-27 | 2018-06-27 | A kind of biliary tract particle support system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208958421U true CN208958421U (en) | 2019-06-11 |
Family
ID=66748084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821006684.6U Active CN208958421U (en) | 2018-06-27 | 2018-06-27 | A kind of biliary tract particle support system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208958421U (en) |
-
2018
- 2018-06-27 CN CN201821006684.6U patent/CN208958421U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6986880B2 (en) | Polymeric-matrix brachytherapy sources | |
| EP3194005B1 (en) | System for targeted delivery of therapeutic agents to tissue | |
| US4706652A (en) | Temporary radiation therapy | |
| CN111918699B (en) | Device for controlled release of radionuclides | |
| WO1997019706A9 (en) | Radioisotope dispersed in a matrix for brachytherapy | |
| JP2000502265A (en) | Hollow tube brachytherapy equipment | |
| Syed et al. | Iridium-192 afterloaded implant in the retreatment of head and neck cancers | |
| CN105920727A (en) | Radioactive particle chain and use method thereof | |
| US10773099B2 (en) | Corrugated stent | |
| US7530941B2 (en) | X-ray and gamma ray emitting temporary high dose rate brachytherapy source | |
| US10420956B2 (en) | Device and method for delivering medicaments | |
| CN208958421U (en) | A kind of biliary tract particle support system | |
| US6210316B1 (en) | Radioactive therapeutic seeds and methods of making the same | |
| CN107569766A (en) | A kind of radioactive particle support for cavity tumour Inner irradiation | |
| CN201006055Y (en) | Biliary tract supporting inside and outside conduction and continuous intracavity near-range radiotheraphy combination units | |
| US20230093173A1 (en) | Hyperthermia brachytherapy device and method for treating tumors | |
| Pierquin et al. | Towards a new system in curietherapy (endocurietherapy and plesiocurietherapy with non-radioactive preparation) | |
| CN107072693B (en) | System for targeted delivery of therapeutic agents to tissue | |
| CN208927418U (en) | A kind of radioactive particle bracket for cavity tumour Inner irradiation | |
| CN203710540U (en) | Connecting chain capable of degrading radioactive sealing seed sources | |
| Chan et al. | Carcinoma of the prostate. Its treatment by a combination of radioactive gold‐grain implant and external irradiation | |
| WO2011018792A1 (en) | Brachytherapy radioactive seeds compositions and methods for producing them | |
| Mould | Brachytherapy | |
| CN2834608Y (en) | Radioactive particle implanter | |
| CN209451136U (en) | It is a kind of for carrying the conduit of radioactive particle and drug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |