CN103830836A - Drainage catheter capable of carrying radioactive particles - Google Patents
Drainage catheter capable of carrying radioactive particles Download PDFInfo
- Publication number
- CN103830836A CN103830836A CN201410072498.2A CN201410072498A CN103830836A CN 103830836 A CN103830836 A CN 103830836A CN 201410072498 A CN201410072498 A CN 201410072498A CN 103830836 A CN103830836 A CN 103830836A
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- Prior art keywords
- drainage catheter
- groove
- particle
- drainage
- drain body
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- 239000002245 particle Substances 0.000 title claims abstract description 58
- 230000002285 radioactive effect Effects 0.000 title claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 210000004881 tumor cell Anatomy 0.000 abstract description 3
- 230000005251 gamma ray Effects 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 5
- 229910001069 Ti alloy Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 210000003445 biliary tract Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007460 surgical drainage Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 206010067268 Post procedural infection Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000000013 bile duct Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000011797 cavity material Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001613 neoplastic effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a drainage catheter capable of carrying radioactive particles. The drainage catheter comprises a drainage catheter body. The wall of the drainage catheter body is provided with grooves along the drainage catheter body. Particles are fixed into the grooves in a one-to-one correspondence manner. The drainage catheter body is not smaller than 8.5Fr and not larger than 12Fr in specification. On the premise of not affecting a drainage function, the drainage catheter carries the particles and can emit Gamma ray without interruption to kill tumor cells.
Description
Technical field
The invention discloses a kind of drainage catheter, for loading radioactive particle.
Background technology
Radioactive substance has been widely used in medical field at present, as under CT or ultrasonic guidance the Radioisotopes seed such as I125, Pd 103 by means of puncture needle (full name insertion puncture needle, be called for short puncture needle) be implanted to the selected position of tumor, treat, be called as I125 particle implanted treatment in medical circle.
Radioactive particle claims again radioactive sealed seed source, conventionally referred to as particle (below all referred to as particle), as shown in Figure 1, for a kind of basic block diagram of particle, conventionally it has a titanium shell 2(and is generally titanium alloy tube), entirety is column structure, two ends sealing-in, the general sealing-in bulb 1 that forms, the cavity volume forming is built-in with the particle body 3 of the radiosiotope formation of doses.Wherein the compatibility of titanium alloy and tissue is good, avoids the rejection of sensitive organization.
First be about particle individual size, its entire length is generally 4.5mm, and titanium alloy tube diameter is generally at 0.8mm.Experiment showed, that individual particle treatment diameter is about 17mm.
Relate to the implantation of particle, as disclosed in China's the 21st the 8th phase of volume of " intervention radiation magazine " August in 2012 " percutaneous biliary tract expansion external drainage 125I(I125) particle chain implanted treatment Malignent Biliary Obstruction four examples " (Xie Zonggui etc.), its object is, observes simple balloon expandable, biliary extra-drainage and carry out simultaneously the curative effect of 125I particle chain implanted treatment Malignent Biliary Obstruction.It adopts mode from 125I to the plastic flexible pipe in drainage tube that implant, and also need to coordinate percutaneous transhepatic choleductus drainage early stage, in narrow bile duct, places metal inner support frame.This drainage tube, because intracavity carries particle, has lost drainage function, is simple particle carrying device.
Drainage tube conventional unit note:
Fr is the unit of conduit, is originally the unit of measuring girth, is a Charles Robert Richet invention, is writing a Chinese character in simplified form of English French.As 3F=3mm girth, again because of girth=3.14 × diameter, so diameter 1F ≈ 0.33mm diameter.On some products, also represent diameter with CH, 1CH ≈ 1F.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of drainage catheter that loads radioactive particle, not affecting under the prerequisite of drainage function, carry particle, it discharges gamma-rays, killing tumor cell incessantly.
The technical solution used in the present invention is:
A drainage catheter that loads radioactive particle, comprising:
Drain body, has a groove along drain body at its tube wall;
Particle, is fixed on described groove correspondingly;
Wherein, the specification of drain body is not less than 8.5Fr, is not more than 12Fr.
Can find out from said structure, according to the present invention, adopt groove is set on drainage catheter tube wall, in groove, fix the mode of particle, thereby particle is attached on drainage catheter tube wall, can not reduce drain effect of drainage tube.
The specification of clinical conventional drain body is not less than 8.5Fr at present, is equivalent to internal diameter and is about 1.32mm, and wall thickness is about 1.023mm(Imprecise computation), and the general diameter of particle is 0.8mm, makes tube wall fluting have real basis.Groove depth should be 0.8mm, and length is 4.5mm.
Specification is the drainage catheter of 8.5Fr, and fluted being distributed on a helix has three grooves in a pitch of helix.
Specification is the drainage catheter of 10.2Fr-12Fr, and same cross section 6 points, 12 are put respectively 1 granule, after axial distance 5.5mm, and 3 points, 9 fluting respectively, then place respectively two granule, the like.
The above-mentioned drainage catheter that loads radioactive particle, described groove is V-type groove or U-shaped groove.
The above-mentioned drainage catheter that loads radioactive particle, particle can embed in groove.
The above-mentioned drainage catheter that loads radioactive particle, the particle of groove surfaces is enclosed in groove by silica gel thin film cover.
The above-mentioned drainage catheter that loads radioactive particle, particle is by being enclosed in groove at axial opposed a pair of valve, and two valves are overlapping at groove.
Accompanying drawing explanation
Fig. 1 is a kind of morphology of particles figure, mid-sectional in figure.
Fig. 2 is the drainage catheter section structure schematic diagram that two kinds of grooves are shown.
Fig. 3 is the distributed architecture schematic diagram of groove on drainage catheter.
In figure: 1. sealing-in bulb, 2. titanium shell, 3. particle body.
4.V type groove, 5. inner tube, 6. tube wall, 7.U type groove.
8. drain body, 9. the first valve, 10. the second valve.
The specific embodiment
Drainage catheter, be called for short drainage tube, clinically application surgical drainage tube kind a lot, have for urethral catheterization, have for wound, thoracic cavity, encephalocoele, gastrointestinal tract, biliary tract etc. have application.Surgical drainage object is the pus gathering between tissue or in body cavity, blood, liquid to be directed to external, prevents postoperative infection or affects wound healing.
Drainage tube is to keep clear to have certain rigidity, is not easy to produce distortion.
The specification of drainage tube is with perimeter limitation, and Product Identifying adopts as 2Fr, represents that girth is 2mm.Certainly, specification is that the drainage tube caliber of 2Fr or 3Fr is all thinner, mainly, as probing of lacrimal passage, does not relate to the application of this case.
For another example intrathoracic drain, its specification has: Fr16, Fr20, Fr24, Fr28, Fr32, Fr36, wall thickness is all greater than 1mm, and tube wall has enough spaces.
According to design of the present invention, a kind of drainage catheter that loads radioactive particle, is mainly used in luminal stenosis and obturation due to neoplastic disease.As shown in Figure 3, omit drainage tube termination in figure, lay particular emphasis on the configuration structure of reflection groove, the overall structure of drainage tube and function do not have significant impact for the realization of its object.
Drainage catheter shown in figure, comprising:
Particle can be fixed on described groove correspondingly according to said structure.In use, particle can together be placed into drain body 8, thereby keeps drain unobstructed; Meanwhile, carry particle and produce gamma-rays, can killing tumor cell.
Wherein, the specification of drain body 8 is not less than 8.5Fr, and namely its tube wall 6 wall thickness, enough for fluting, and can not produce projection, thereby can not affect the smooth implantation of drainage tube.
As shown in Figure 2, in figure, express two kinds of grooves on a section, be not illustrated on a section and have two granule, those skilled in the art should have clearly understanding to this, its basic reference point is operating distance, and distribution mode is axially uniform at drain body 8.
Explanation about the relevant data of drainage tube specification does not repeat them here, and take this content as guiding, those skilled in the art easily selects.
Simple with regard to the implantation of particle, the specification of drain body 8 is not more than 12Fr, and the drainage catheter that specification is larger also can use naturally, is thisly chosen in the selection relatively hour of the uses drainage tube specification of performing the operation.For the larger drain body of script caliber, there is no need to select again thinner drainage tube.
Specification is the drainage catheter of 8.5Fr, and fluted being distributed on a helix has three grooves in a pitch of helix.
Specification is the drainage catheter of 10.2Fr-12Fr, and same cross section 6 points, 12 are put respectively 1 granule, after axial distance 5.5mm, and 3 points, 9 fluting respectively, then place respectively two granule, the like.
In certain embodiments, as shown in Figure 2, described groove is V-type groove 4, and this structure is slotted than being easier to, but relatively large to tube wall damage.
Therefore described groove is U-shaped groove 7 in further embodiments, and groove depth is easily controlled, and groove depth is also relatively little, thereby has reduced the damage to tube wall, but manufacture difficulty is slightly large.
About fixing of particle, a kind of mode is to adopt bonding, and namely particle is by thermosensitive hydrogel and groove bonding
In certain embodiments, particle is enclosed in groove by silica gel thin film cover.When production, drain body 8 is furnished with a silica gel sheath at groove, and push silica gel sheath open according to lesion locations and scope at scene, inserts particle, and then silica gel sheath resets, easy to operate.
Rubber sleeve is simple in structure, and is not easy displacement.
In further embodiments, particle is by being enclosed in groove at axial opposed a pair of valve, and two valves are overlapping at groove.
As shown in Figure 3, two valves, one is to be positioned at bottom valve, namely the first valve 9, another is superposed valve, namely the second valve 10, first raises the second valve 10, then raises the first valve 9, just can insert.Its operation is very easy, and cooperatively interacts to such an extent that valve can be fixed particle reliably.
Claims (8)
1. the drainage catheter that can load radioactive particle, is characterized in that, comprising:
Drain body (8), is axially evenly equipped with groove at its tube wall (6) along drain body (8);
Particle, is fixed on described groove correspondingly;
Wherein, the specification of drain body (8) is not less than 8.5Fr.
2. the drainage catheter that loads radioactive particle according to claim 1, is characterized in that, the specification of drain body (8) is not more than 12F.
3. the drainage catheter that loads radioactive particle according to claim 1 and 2, is characterized in that, the distributed architecture of described groove is for to be arranged alternately about the both sides of drain body (8) axis symmetry.
4. the drainage catheter that loads radioactive particle according to claim 1 and 2, is characterized in that, fluted being distributed on a helix has three grooves in a pitch of helix.
5. the drainage catheter that loads radioactive particle according to claim 1 and 2, is characterized in that, described groove is V-type groove (4) or U-shaped groove (7).
6. the drainage catheter that loads radioactive particle according to claim 5, is characterized in that, particle and groove bonding.
7. the drainage catheter that loads radioactive particle according to claim 5, is characterized in that, particle is enclosed in groove by silica gel sheath.
8. the drainage catheter that loads radioactive particle according to claim 5, is characterized in that, particle is by being enclosed in groove at axial opposed a pair of valve, and two valves are overlapping at groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072498.2A CN103830836A (en) | 2014-03-03 | 2014-03-03 | Drainage catheter capable of carrying radioactive particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072498.2A CN103830836A (en) | 2014-03-03 | 2014-03-03 | Drainage catheter capable of carrying radioactive particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103830836A true CN103830836A (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410072498.2A Pending CN103830836A (en) | 2014-03-03 | 2014-03-03 | Drainage catheter capable of carrying radioactive particles |
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| CN (1) | CN103830836A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056344A (en) * | 2014-07-19 | 2014-09-24 | 牛洪欣 | Medical particle catheter |
| CN108325062A (en) * | 2018-03-27 | 2018-07-27 | 郑州大学第附属医院 | A kind of biliary tract rack particle loading/unloading unit |
| CN110613891A (en) * | 2019-09-21 | 2019-12-27 | 天津赛德医药研究院有限公司 | Cavity drainage tube with built-in radioactive particle carrier |
| CN110755760A (en) * | 2019-10-14 | 2020-02-07 | 天津赛德医药研究院有限公司 | Cavity drainage tube with built-in inserting plate type radioactive particle carrier |
| CN110755759A (en) * | 2019-10-14 | 2020-02-07 | 天津赛德医药研究院有限公司 | Cavity drainage tube with built-in assembled radioactive particle carrier |
| CN111282132A (en) * | 2020-03-02 | 2020-06-16 | 张辉 | Biliary drainage tube based on radioactive particle therapy |
| CN111888629A (en) * | 2020-09-07 | 2020-11-06 | 郑州大学第一附属医院 | Percutaneous liver puncture implantable multifunctional biliary drainage device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2070493A1 (en) * | 2006-09-21 | 2009-06-17 | The Second Military Medical University | Duct stent being capable of carrying the subminiature radioactive particle source |
| CN101695458A (en) * | 2009-10-30 | 2010-04-21 | 南京微创医学科技有限公司 | Biliary tract radiation treatment stent |
| CN102125717A (en) * | 2011-04-07 | 2011-07-20 | 大连大学 | Biliary tract internal drainage tube carrying radioactive particles |
| CN102551934A (en) * | 2011-12-21 | 2012-07-11 | 毛宇 | Medical stent in radiotherapy and chemotherapy tracts |
| CN203154540U (en) * | 2013-04-19 | 2013-08-28 | 赵中伟 | Portal vine tumor thrombus radioactive particle thrombolysis catheter |
| CN203447390U (en) * | 2013-06-28 | 2014-02-26 | 丁义涛 | Regurgitation-preventing biliary stent used for carrying radioactive particles |
| CN203736702U (en) * | 2014-03-03 | 2014-07-30 | 李玉亮 | Drainage catheter capable of loading radioactive particles |
-
2014
- 2014-03-03 CN CN201410072498.2A patent/CN103830836A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2070493A1 (en) * | 2006-09-21 | 2009-06-17 | The Second Military Medical University | Duct stent being capable of carrying the subminiature radioactive particle source |
| CN101695458A (en) * | 2009-10-30 | 2010-04-21 | 南京微创医学科技有限公司 | Biliary tract radiation treatment stent |
| CN102125717A (en) * | 2011-04-07 | 2011-07-20 | 大连大学 | Biliary tract internal drainage tube carrying radioactive particles |
| CN102551934A (en) * | 2011-12-21 | 2012-07-11 | 毛宇 | Medical stent in radiotherapy and chemotherapy tracts |
| CN203154540U (en) * | 2013-04-19 | 2013-08-28 | 赵中伟 | Portal vine tumor thrombus radioactive particle thrombolysis catheter |
| CN203447390U (en) * | 2013-06-28 | 2014-02-26 | 丁义涛 | Regurgitation-preventing biliary stent used for carrying radioactive particles |
| CN203736702U (en) * | 2014-03-03 | 2014-07-30 | 李玉亮 | Drainage catheter capable of loading radioactive particles |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056344A (en) * | 2014-07-19 | 2014-09-24 | 牛洪欣 | Medical particle catheter |
| CN104056344B (en) * | 2014-07-19 | 2016-03-23 | 牛洪欣 | Medical treatment particle conduit |
| CN108325062A (en) * | 2018-03-27 | 2018-07-27 | 郑州大学第附属医院 | A kind of biliary tract rack particle loading/unloading unit |
| CN108325062B (en) * | 2018-03-27 | 2024-01-30 | 郑州大学第一附属医院 | Biliary tract stent particle loading and unloading device |
| CN110613891A (en) * | 2019-09-21 | 2019-12-27 | 天津赛德医药研究院有限公司 | Cavity drainage tube with built-in radioactive particle carrier |
| CN110755760A (en) * | 2019-10-14 | 2020-02-07 | 天津赛德医药研究院有限公司 | Cavity drainage tube with built-in inserting plate type radioactive particle carrier |
| CN110755759A (en) * | 2019-10-14 | 2020-02-07 | 天津赛德医药研究院有限公司 | Cavity drainage tube with built-in assembled radioactive particle carrier |
| CN111282132A (en) * | 2020-03-02 | 2020-06-16 | 张辉 | Biliary drainage tube based on radioactive particle therapy |
| CN111888629A (en) * | 2020-09-07 | 2020-11-06 | 郑州大学第一附属医院 | Percutaneous liver puncture implantable multifunctional biliary drainage device |
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Application publication date: 20140604 |