CN207980169U - A kind of continuous radioactivity125I particle chains - Google Patents
A kind of continuous radioactivity125I particle chains Download PDFInfo
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- CN207980169U CN207980169U CN201721052364.XU CN201721052364U CN207980169U CN 207980169 U CN207980169 U CN 207980169U CN 201721052364 U CN201721052364 U CN 201721052364U CN 207980169 U CN207980169 U CN 207980169U
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Abstract
The utility model is related to the field of medical instrument technology, disclose a kind of continuous radioactivity125I particle chains, including125I particle chain ontologies, it is described125I particle chains ontology is by multiple independent radioactivity125I particle granules form, the radioactivity125It is fixedly connected using gelfoam between I particle granules, the gelfoam is by each independent radioactivity125The connection of I particle granules is into strips and continuous radioactivity125I particle chains.The utility model radioactivity125I particle chains can be by radioactivity125The positioning of I particle granules is directionally implanted in tumor tissues, more convenient and accurate compared with the quantity of the implantation particle of single particle, implantation direction, implantation position.
Description
Technical field
The utility model is related to the field of medical instrument technology, more particularly to a kind of continuous radioactivity125I particle chains.
Background technology
In recent years, I between closely organizing125Seeds implanted treatment technology is quickly grown, and has been widely used in kinds of tumors
Treatment, and achieve apparent curative effect,125I particles interventional implantation has local dose height, effect in terms for the treatment of tumour
Apart from short and damage small advantage to normal surrounding tissue.
Dosage distribution is radioactivity in tumor target125The deciding factor of I seeds implanted close-range treatments, the sky of particle
Between distribution and positional stability be the key that determine therapeutic quality.Design125Plantation interchannel is away from should be 1 li when the monoplanes I are planned
Rice is uniformly implanted into.At present125I seeds implanteds treatment tumour technology relies primarily on the experience of operator, and implantation instrument is pen type grain
Sub- implanting gun is furnished with 10 particle storage warehouses, has 10 particles in each storehouse.The front end of implanting gun connects seeds implanted needle,
Rear end is striker, by the push of striker by seeds implanted body, in implanting gun implantation process by particle one one plant one by one
Enter, after usually patient is implanted into the first particle, the second particle be implanted into after rule of thumb extracting implant needle estimation certain distance out,
Identical gimmick implantation third particle, and so on complete operation, the postoperative film making display postoperative spatial arrangement of particle is difficult to meet
Preoperative plan, making the distribution of practical implantation particle, there are a certain distance with preoperative plan, are extremely difficult between particle and particle
Implantation apart from essentially equal, so as to the hot spot of target dose and cold spot occur.How preoperative meter is accurately realized in art
It draws, becomes a more scabrous problem.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical problems, provide a kind of continuous radioactivity125I particle chains.
In order to realize the utility model aim, the utility model adopts the following technical solution：
A kind of continuous radioactivity is provided125I particle chains, including125I particle chain ontologies, it is described125I particle chain ontologies are by multiple
Independent radioactivity125I particle granules form, the radioactivity125It is fixedly connected using gelfoam between I particle granules, institute
Gelatin sponge is stated clearly by each independent radioactivity125The connection of I particle granules is into strips and continuous radioactivity125I particle chains,
In the radioactivity125One layer of gelatin film is coated on the outside of I particle granules and the gelfoam, the gelatin film will
The radioactivity125I particle granules and the gelfoam connect into an overall structure.
Further, the radioactivity125The shape of I particle granules be cuboid, cylindrical or oval shape one
Kind.
Further, in the radioactivity125In I particle chains, the radioactivity125Spacing between I particle granules is 0-
1.5cm。
Further, the radioactivity125I particle chains include the 3-10 radioactivity125I particle granules.
Further, the radioactivity125It is soft that one layer of plastics are also wrapped on the outside of I particle granules and the gelfoam
Pipe.
Further, the radioactivity125I particle granules length is 4mm, a diameter of 0.8mm.
A kind of above-mentioned continuous radioactivity125I particle chain implanted devices, including puncture tube and needle core push rod, the puncture tube
One end is radioactivity125The other end of the input end of I particle chains, the puncture tube is piercing needle, the diameter of the needle core push rod
Less than the internal diameter of the puncture tube, the needle core push rod moves back and forth in the puncture tube.
Further, it being equipped with grip part in the input end that is located at of the puncture tube, the grip part is in cuboid,
The grip part is internally provided with the cavity being connected to the inner cavity of the puncture tube.
Further, the grip part is adopted made of plastic.
Further, the described one end of needle core push rod far from the puncture tube is equipped with pressing portion.
Further, the puncture tube and the needle core push rod are made of medical stainless steel material.
The utility model has the beneficial effects that：
1, the exemplary a kind of continuous radioactivity of the utility model125I particle chains pass through independent single particle granules bright
Gelatin sponge connects into strips, becomes particle chain, is connected with gelfoam between particle granules and particle granules, patient had been implanted into
In the disposable implantation tumour of single channel particle being disposably intended in journey, the uniformity and treatment tumour of seeds implanted can be improved
Accuracy, and the accuracy of seeds implanted post dose distribution, radioactivity can be improved under the premise of safe and reliable125I particles
Chain can be by radioactivity125The positioning of I particle granules is directionally implanted in tumor tissues, compared with the number of the implantation particle of single particle
Amount, implantation direction, implantation position are more convenient and accurate.
2, the exemplary a kind of continuous radioactivity of the utility model125I particle chains, with bright between particle granules and particle granules
Gelatin sponge connects,125When there is local organization bleeding when I seeds implanted tumours, pass through the selection of particle granules and particle granules
Gelfoam may be inhaled a large amount of blood, gelfoam can absorb the 50 times of water or 48 times of blood of itself weight, promotes blood small
Plate ruptures, and releases a large amount of blood platelet procoagulant Factors, promotes blood clotting, plays the role of local hemostasis.
3, the exemplary a kind of continuous radioactivity of the utility model125I particle chains, it is bright between particle granules and particle granules
Gelatin sponge also has holder effect, and can fix the distance between particle and particle during radioactive prospecting instrument is not displaced.
4, the exemplary a kind of continuous radioactivity of the utility model125I particle chains, gelfoam is at 1~2 month in human body
It can all absorb, safe and nontoxic, no any antigenicity and adverse reaction occur.
5, radion is added in the input end of puncture tube in the exemplary continuous radioactive particle implantation device of the utility model
Needle core push rod is placed in puncture tube by chain, is pushed to the axiolite subchain in merging puncture tube using needle core push rod, needle
The axiolite subchain of implantation is pushed into piercing needle and implantation tumour part by core push rod, improves the implantation radiation grain for puncturing implant needle
The efficiency of son.
Description of the drawings
Fig. 1 is 1 continuous radioactivity of the utility model embodiment125The structural schematic diagram of I particle chains；
Fig. 2 is 1 continuous radioactivity of the utility model embodiment125The structural schematic diagram of I particle chain implanted devices；
Fig. 3 is the structural schematic diagram of the utility model embodiment puncture tube；
Fig. 4 is the structural schematic diagram of the utility model embodiment needle core push rod；
Fig. 5 is 2 continuous radioactivity of the utility model embodiment125The structural schematic diagram of I particle chains.
In figure：1- radioactivity125I particle granules, 2- gelfoams, 3- puncture tubes, 301- input ends, 302- piercing needles,
4- needle core push rods, the grip parts 5-, 6- pressing portion, 7- gelatin films, 8- plastic flexible pipes.
Specific implementation mode
In order to be better understood by the technical solution of the utility model, with reference to the accompanying drawings of the specification with specific embodiment to this
Utility model is described further.
As shown in Figure 1, a kind of continuous radioactivity125I particle chains, including125I particle chain ontologies,125I particle chain ontologies are by 3-
10 independent radioactivity125I particle granules 1 form, radioactivity125The length of I particle granules 1 is 4mm, a diameter of 0.8mm.
Radioactivity125It is fixedly connected using gelfoam 2 between I particle granules 1, gelfoam 2 is by each independent radiation
Property125The connection of I particle granules 1 is into strips and continuous radioactivity125I particle chains.In radioactivity125I particle granules 1 and gelatin sea
The outside of silk floss 2 is coated with one layer of gelatin film 7, and gelatin film 7 is by radioactivity125I particle granules 1 and gelfoam 2 connect into one
A overall structure.
Radioactivity125The shape of I particle granules 1 is one kind of cuboid, cylindrical or oval shape.It is radiating
Property125In I particle chains, radioactivity125Spacing between I particle granules 1 is 0-1.5cm, radioactivity125It is adopted between I particle granules 1
It is fixedly connected with gelfoam 2.
As shown in Figure 2, Figure 3 and Figure 4, above-mentioned continuous radioactivity125I particle chain implanted devices, including puncture tube 3 and needle core
Push rod 4, puncture tube 3 and needle core push rod 4 are made of medical stainless steel material.
One end of puncture tube 3 is radioactivity125The other end of the input end 301 of I particle chains, puncture tube 3 is piercing needle
302。
Puncture tube 3 be located at input end 301 at be equipped with grip part 5, grip part 5 adopt it is made of plastic, be in cuboid,
Grip part 5 is internally provided with the cavity being connected to the inner cavity of puncture tube 3.
The outer diameter of needle core push rod 4 is less than the internal diameter of puncture tube 3, and needle core push rod 4 moves back and forth in puncture tube 3.Needle core pushes away
The one end of bar 4 far from puncture tube 3 is equipped with pressing portion 6.
The length of needle core push rod 4 is consistent with the length of puncture tube 3, and the width of pressing portion 6 is more than the diameter of puncture tube 3.Needle
When core push rod 4 pushes axiolite subchain in puncture tube 3, axiolite subchain is pushed away with 3 needle core push rod 4 consistent in length of puncture tube
It send to the needle point of piercing needle 302, while the pressing portion 6 of needle core push rod 4 is just resisted against on grip part 5, is pushed away to prevent needle core
The senior general's needle core push rod 4 of exerting oneself of bar 4 is pushed into tumor locus, punctures tumor locus, influences the implantation and radiation of axiolite subchain
The therapeutic effect of particle.
Needle core push rod 4 and puncture tube 3 are made of medical stainless steel material, such as 316 stainless steels, nickel Lip river stainless steel
Material, high-nitrogen nickel-free stainless steel material etc., the puncture tube of the puncture tube of medical stainless steel relative to medical plastic, toughness is more
Good, integrally formed needle point is sharper, easy implantation tumour position, and the inner wall of puncture tube 3 is more smooth, convenient for pushing away for axiolite subchain
Pressure.
In use, directly sandwiching radion chain in puncture tube 3 using medical tweezers or clip, pass through puncture tube 3
Input end 301 axiolite subchain is added or needle core push rod 4 is placed in puncture tube 3, cuboid at input end 301 is held
The diameter of 5 internal cavity of portion is more than the diameter of puncture tube 3, convenient for axiolite subchain or needle core push rod 4 to be placed in through input end 301
In puncture tube 3；When being pushed to the axiolite subchain in merging puncture tube 3 using needle core push rod 4, the level of 4 bottom of needle core push rod
Face is contacted with the surface of axiolite subchain, will not puncture axiolite subchain, it is ensured that axiolite subchain is at implantation tumour position
Completely, the position of tumour will not be punctured needle core push rod 4 is pushed into 3 bottom of puncture tube, improve the peace for puncturing implant needle
Quan Xing.
Embodiment 2
As shown in figure 5, the present embodiment and above-described embodiment the difference is that, in radioactivity125I particle granules and bright
One layer of plastic flexible pipe 8 is also wrapped on the outside of gelatin sponge.When needs are built into radioactivity in patient vessel or bile duct125I particles
When particle chain, radioactivity is kept by plastic flexible pipe 8125The stabilization of I particle granules and gelfoam.Above description is only this Shen
Preferred embodiment please and the explanation to institute's application technology principle.It will be appreciated by those skilled in the art that involved in the application
And utility model range, however it is not limited to technical solution made of the specific combination of above-mentioned technical characteristic, while should also cover
In the case of not departing from utility model design, is carried out arbitrary combination by above-mentioned technical characteristic or its equivalent feature and formed
Other technical solutions.Such as features described above with (but not limited to) disclosed herein there is the technical characteristic of similar functions to carry out
The technical solution replaced mutually and formed.
Claims (6)
1. a kind of continuous radioactivity125I particle chains, which is characterized in that including125I particle chain ontologies, it is described125I particle chain ontologies
By multiple independent radioactivity125I particle granules form, the radioactivity125It is fixed and is connected using gelfoam between I particle granules
It connects, the gelfoam is by each independent radioactivity125The connection of I particle granules is into strips and continuous radioactivity125I
Subchain, in the radioactivity125One layer of gelatin film is coated on the outside of I particle granules and the gelfoam, the gelatin is thin
Film is by the radioactivity125I particle granules and the gelfoam connect into an overall structure.
2. continuous radioactivity according to claim 1125I particle chains, which is characterized in that the radioactivity125I particle granules
Shape be cuboid, cylindrical or oval shape one kind.
3. continuous radioactivity according to claim 1125I particle chains, which is characterized in that in the radioactivity125I particle chains
In, the radioactivity125Spacing between I particle granules is 0-1.5cm.
4. continuous radioactivity according to claim 1125I particle chains, which is characterized in that the radioactivity125I particle chain packets
Include the 3-10 radioactivity125I particle granules.
5. continuous radioactivity according to claim 1125I particle chains, which is characterized in that the radioactivity125I particle granules
With one layer of plastic flexible pipe is also wrapped on the outside of the gelfoam.
6. continuous radioactivity according to claim 1125I particle chains, which is characterized in that the radioactivity125I particle granules
Length is 4mm, a diameter of 0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052364.XU CN207980169U (en) | 2017-08-22 | 2017-08-22 | A kind of continuous radioactivity125I particle chains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052364.XU CN207980169U (en) | 2017-08-22 | 2017-08-22 | A kind of continuous radioactivity125I particle chains |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207980169U true CN207980169U (en) | 2018-10-19 |
Family
ID=63804335
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721052364.XU Expired - Fee Related CN207980169U (en) | 2017-08-22 | 2017-08-22 | A kind of continuous radioactivity125I particle chains |
Country Status (1)
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| CN (1) | CN207980169U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847202A (en) * | 2019-04-08 | 2019-06-07 | 郑州大学第一附属医院 | Portal vein particle stenter to implant system |
| CN110585583A (en) * | 2019-10-16 | 2019-12-20 | 张宏涛 | Radioactive particle chain manufacturing and implanting device |
| CN112451850A (en) * | 2020-12-11 | 2021-03-09 | 王姗姗 | Iodine-125 particle is with implanting device |
-
2017
- 2017-08-22 CN CN201721052364.XU patent/CN207980169U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847202A (en) * | 2019-04-08 | 2019-06-07 | 郑州大学第一附属医院 | Portal vein particle stenter to implant system |
| CN110585583A (en) * | 2019-10-16 | 2019-12-20 | 张宏涛 | Radioactive particle chain manufacturing and implanting device |
| CN110585583B (en) * | 2019-10-16 | 2024-03-01 | 张宏涛 | Radioactive particle chain manufacturing and implanting device |
| CN112451850A (en) * | 2020-12-11 | 2021-03-09 | 王姗姗 | Iodine-125 particle is with implanting device |
| CN112451850B (en) * | 2020-12-11 | 2023-05-09 | 王姗姗 | Iodine-125 is implantation device for particle |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20190822 |