CN104056344B - Medical treatment particle conduit - Google Patents
Medical treatment particle conduit Download PDFInfo
- Publication number
- CN104056344B CN104056344B CN201410343856.9A CN201410343856A CN104056344B CN 104056344 B CN104056344 B CN 104056344B CN 201410343856 A CN201410343856 A CN 201410343856A CN 104056344 B CN104056344 B CN 104056344B
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- CN
- China
- Prior art keywords
- sleeve pipe
- particle
- slide block
- flange
- conduit
- 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.)
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- 239000002245 particle Substances 0.000 title claims abstract description 58
- 230000002285 radioactive effect Effects 0.000 claims abstract description 26
- 206010028980 Neoplasm Diseases 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 5
- 230000001225 therapeutic effect Effects 0.000 abstract description 3
- 210000000056 organ Anatomy 0.000 description 6
- 210000002784 stomach Anatomy 0.000 description 5
- 238000006748 scratching Methods 0.000 description 4
- 230000002393 scratching effect Effects 0.000 description 4
- 230000002485 urinary effect Effects 0.000 description 3
- 206010061876 Obstruction Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003031 feeding effect Effects 0.000 description 2
- 210000003736 gastrointestinal content Anatomy 0.000 description 2
- 230000000968 intestinal effect Effects 0.000 description 2
- 230000003211 malignant effect Effects 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 208000000461 Esophageal Neoplasms Diseases 0.000 description 1
- 201000003741 Gastrointestinal carcinoma Diseases 0.000 description 1
- 206010061882 Oesophageal neoplasm Diseases 0.000 description 1
- 201000000660 Pyloric Stenosis Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000941 bile Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000018554 digestive system carcinoma Diseases 0.000 description 1
- 206010013990 dysuria Diseases 0.000 description 1
- 208000008384 ileus Diseases 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 208000003243 intestinal obstruction Diseases 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 208000025402 neoplasm of esophagus Diseases 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 208000016853 pontine tegmental cap dysplasia Diseases 0.000 description 1
- 201000001514 prostate carcinoma Diseases 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention relates to a kind of medical particle conduit, comprise movable set in supravasal sleeve pipe and for sleeve pipe is fixed on supravasal fixture, described sleeve pipe is along the circumferential direction provided with some flutings, is provided with some particle fixtures for immobilization of radioactive particle in each fluting from top to bottom.According to tumor concrete position adjustment sleeve pipe in supravasal position, and utilize fixture to be locked on conduit, make conduit insert in body afterwards, the position of sleeve pipe is just in time positioned at tumor locus.Because radioactive particle is arranged in fluting, therefore it is open structure, can guarantee that the lonizing radiation that radioactive particle sends are irradiated in tumor better, improve therapeutic effect.Compare support or other treatment, after this treatment, patient's body surface is accessible, foreign in body, and painful light, instant effect, belongs to minimally-invasive treatment, patients ' psychological is easier to accept, more can improves the quality of living.
Description
Technical field
The present invention relates to technical field of medical instruments, be specifically related to a kind of medical particle conduit.
Background technology
In clinical practice in the past, pernicious tract that lose surgical engine meeting for some or be not suitable for surgical procedure, that cause because of tumor blocks patient, and placing conduit is a kind of Therapeutic Method commonly used clinically.Place conduit and can play the effect of drain or nasal feeding, but only can relief of symptoms and can not tumor be treated.Such as, when thoracic choke appears in esophageal neoplasm patient, insert stomach tube and make it pass through to block place's arrival and block far-end, can be used for nasal feeding to solve problems concerning nutrition, but stomach tube itself can not treat tumor.
Other also have, and when pyloric obstruction or intestinal obstruction appear in patients with gastrointestinal carcinoma, inserting stomach tube or Ileus tube can drain stomach or intestinal contents, play drain, decompressing effect blocking near-end; When urethra malignant obstruction (as carcinoma of prostate) causes urine retention or dysuria, inserting urinary catheter can drainage of urine; During Malignant Biliary Obstruction, inserting PTCD pipe can bile drainage; Etc..But the effect of tumor all do not treated by these conduits of inserting.
Summary of the invention
The present invention, in order to overcome the deficiency of above technology, provides a kind of mode of radioactive prospecting instrument that can utilize when catheter drainage or nasal feeding and carries out the medical particle conduit for the treatment of.
The present invention overcomes the technical scheme that its technical problem adopts:
This medical particle conduit, comprise movable set in supravasal sleeve pipe and for sleeve pipe is fixed on supravasal fixture, described sleeve pipe is along the circumferential direction provided with some flutings, is provided with some particle fixtures for immobilization of radioactive particle in each fluting from top to bottom.
The upper rubber slide block that above-mentioned particle fixture comprises the chute be vertically arranged in fluting, width is less than slotted openings size and lower rubber slide block, described upper rubber slide block and lower rubber slide block are provided with the slide rail matched with chute, described upper rubber slide block and lower rubber slide block are provided with the circular hole that internal diameter is less than radioactive particle external diameter, described radioactive particle upper end is plugged in the circular hole of rubber slide block, and its lower end is plugged in the circular hole of lower rubber slide block.
Above-mentioned fixture comprises the buckle in " U " font and is connected in sleeve upper end and external diameter is less than the flange of sleeve outer, forms groove between described flange and sleeve pipe, and buckle card in a groove and extrude it and be fixed on conduit.
Above-mentioned fixture comprises and is connected in sleeve upper end and external diameter is less than the flange of sleeve outer, the conical surface II being arranged at the upper and lower two ends of flange respectively, slip cap are loaded on tapered sleeve between sleeve pipe and flange, the taper hole matched with the lower end conical surface II is provided with in described tapered sleeve, when tapered sleeve upward sliding, the inside crimp of flange.
In order to prevent scratching human organ, the upper and lower two ends of above-mentioned sleeve pipe are respectively arranged with the conical surface I.
Can bend in order to ensure gum sleeve, the bottom of above-mentioned lower rubber slide block is vertically provided with rubber column.
In order to improve fix tightly soundness, the medial surface of above-mentioned buckle is provided with the pointed tooth of some outwardly convexs, and described buckle outward flange is smooth fillet.
In order to prevent scratching human organ, the upper and lower two ends of above-mentioned flange are respectively arranged with chamfering.
In order to prevent scratching human organ, above-mentioned tapered sleeve outer surface is the conical surface III, and its upper and lower two ends are respectively arranged with chamfering.
In order to prevent tapered sleeve from coming off, above-mentioned flange upper end is provided with draw-in groove, is provided with the dop matched with draw-in groove in described tapered sleeve, when tapered sleeve upward sliding is placed in draw-in groove to dop during top dead-centre.
The invention has the beneficial effects as follows: owing to conduit being designed with the memory space of some radioactive particles, therefore sleeve pipe is adjusted in supravasal position according to the concrete position of tumor, and utilize fixture to be locked on conduit, make conduit insert in body afterwards, the position of sleeve pipe is just in time positioned at tumor locus.Because radioactive particle is arranged in fluting, therefore it is open structure, can guarantee that the lonizing radiation that radioactive particle sends are irradiated in tumor better, improve therapeutic effect.While conduit plays drain or nasal feeding effect, play the internal radiation URIN Treatment tumor of particle.According to tumor by local situation of change after treatment certain hour, the relative position of particle and tumor can be adjusted at any time.Tumor regression, block releasing after can Lumen catheter and sleeve pipe.Compare support or other treatment, after this treatment, patient's body surface is accessible, foreign in body, and painful light, instant effect, belongs to minimally-invasive treatment, patients ' psychological is easier to accept, more can improves the quality of living.Conduit can be various implantable medical conduit, as particle stomach tube, particle intestinal tube, particle urinary catheter etc., therefore applied widely.
Accompanying drawing explanation
Fig. 1 is that master of the present invention looks cross-sectional view;
Fig. 2 is that A-A in Fig. 1 is to cross-sectional view;
Fig. 3 is buckle structure schematic diagram;
Fig. 4 is tapered sleeve mounting structure schematic diagram;
Fig. 5 is tapered sleeve structural representation;
In figure, 1. rubber slide block 6. times rubber slide block 7. radioactive particle 8. rubber column 9. flange 10. conical surface II 11. groove 12. conduit 13. slide rail 14. circular hole 15. buckle 16. pointed tooth 17. tapered sleeve 18. conical surface III 19. draw-in groove 20. dop 21. taper hole 22. chamferings on sleeve pipe 2. conical surface I 3. fluting 4. chutes 5..
Detailed description of the invention
Below in conjunction with accompanying drawing 1 to accompanying drawing 5, the present invention will be further described.
As shown in Figure 1, this medical particle conduit, comprise the sleeve pipe 1 of movable set on conduit 12 and for sleeve pipe 1 being fixed on the fixture on conduit 12, sleeve pipe 1 is along the circumferential direction provided with some flutings 3, is provided with some particle fixtures for immobilization of radioactive particle 7 in each fluting 3 from top to bottom.Owing to conduit 12 being designed with the memory space of some radioactive particles 7, therefore sleeve pipe 1 is adjusted in supravasal position according to the concrete position of tumor, and utilize fixture to be locked on conduit 12, make conduit 12 insert in body afterwards, the position of sleeve pipe 1 is just in time positioned at tumor locus.Sleeve pipe 1 can adopt the flexible materials such as rubber, silica gel to make, and avoids the damage to organ.Because radioactive particle 7 is arranged in fluting 3, therefore it is open structure, can guarantee that the lonizing radiation that radioactive particle 7 sends are irradiated in tumor better, improve therapeutic effect.While conduit 12 plays drain or nasal feeding effect, play the internal radiation URIN Treatment tumor of particle.Tumor regression, block releasing after can Lumen catheter 12 and sleeve pipe 1.Compare support or other treatment, after this treatment, patient's body surface is accessible, foreign in body, and painful light, instant effect, belongs to minimally-invasive treatment, patients ' psychological is easier to accept, more can improves the quality of living.Conduit 12 can be various implantable medical conduit, as particle stomach tube, particle intestinal tube, particle urinary catheter etc., therefore applied widely.
As shown in Figure 2, the upper rubber slide block 5 that above-mentioned particle fixture comprises the chute 4 be vertically arranged in fluting 3, width is less than fluting 3 opening size and lower rubber slide block 6, upper rubber slide block 5 and lower rubber slide block 6 are provided with the slide rail 13 matched with chute 4, upper rubber slide block 5 and lower rubber slide block 6 are provided with the circular hole 14 that internal diameter is less than radioactive particle 7 external diameter, radioactive particle 7 upper end is plugged in the circular hole 14 of rubber slide block 5, and its lower end is plugged in the circular hole 14 of lower rubber slide block 6.Because circular hole 14 internal diameter is less than the external diameter of radioactive particle 7, therefore rubber slide block 5 is gone up and radioactive particle 7 can firmly be fixed by lower rubber slide block 6, afterwards upper rubber slide block 5 and lower rubber slide block 6 are inserted in chute 4 by slide rail 13, to insert successively after in like manner some radioactive particle about 7 two ends being fixed upper rubber slide block 5 and lower rubber slide block 6 in chute 4 and to guarantee to there is gap between each radioactive particle 7, the implantation of radioactive particle 7 can be realized.Install easily, simple operation.
Fixture it can comprise the buckle 15 in " U " font and be connected in sleeve pipe 1 upper end and external diameter is less than the flange 9 of sleeve pipe 1 external diameter for following structure, groove 11 is formed between flange 9 and sleeve pipe 1, buckle 15 to be stuck in groove 11 and to extrude it and is fixed on conduit 12, realization is locked, structure is simple, and operation is convenient.As shown in Figure 3, the medial surface of buckle 15 is provided with the pointed tooth 16 of some outwardly convexs.When buckle 15 is placed in the position between sleeve pipe 1 and flange 9, pointed tooth 16 can play the situation preventing buckle 15 from coming off better and occur, and further increases the reliability of use.Buckle 15 outward flange is smooth fillet, further avoid and scratches human organ tissue, improve safety.
As shown in figures 4 and 5, fixture also can be following structure, it comprises and is connected in sleeve pipe 1 upper end and external diameter is less than the flange 9 of sleeve pipe 1 external diameter, the conical surface II 10 being arranged at flange about 9 two ends respectively, slip cap are loaded on tapered sleeve 17 between sleeve pipe 1 and flange 9, is provided with the taper hole 21 matched with the lower end conical surface II 10 in tapered sleeve 17.By making tapered sleeve 17 upward sliding, the lower end conical surface II 10 of taper hole 21 crush ribs 9, it is hereby ensured that flange 9 tightly pressurizes on conduit 12, realizes locking.This kind of structure is adopted under the help of endoscope, to utilize foreign body forceps to clamp tapered sleeve 17 by service aisle, make its slide downward, thus can realize unlocking, now can realize the position according to knub position adjustment sleeve pipe in vivo, recycling foreign body forceps is clamped tapered sleeve 17 upward sliding and is realized locking afterwards, further increases the motility of use.
Sleeve pipe about 1 two ends can be respectively arranged with the conical surface I 2.Flange 9 upper end is provided with draw-in groove 19, is provided with the dop 20 matched with draw-in groove 19 in tapered sleeve 17, when tapered sleeve 17 upward sliding is placed in draw-in groove 19 to dop during top dead-centre 20.
As shown in Figure 1, the bottom of lower rubber slide block 6 can vertically be provided with rubber column 8.Rubber column 8 can be guaranteed spaced apart for two radioactive particles 7 up and down in fluting 3, when sleeve pipe 1 can guarantee its flexural deformation when inserting human body, guarantees smooth insertion.
During in order to prevent this medical particle conduit in insertosome, scratch organ, flange about 9 two ends are respectively arranged with chamfering.And tapered sleeve 17 outer surface is the conical surface III 18, its upper and lower two ends are respectively arranged with chamfering 22.By arranging the situation that chamfering and the conical surface III 18 can effectively prevent from scratching, further increase the safety of use.
Claims (9)
1. a medical particle conduit, it is characterized in that: comprise the sleeve pipe (1) of movable set on conduit (12) and for sleeve pipe (1) being fixed on the fixture on conduit (12), described sleeve pipe (1) is along the circumferential direction provided with some flutings (3), some particle fixtures for immobilization of radioactive particle (7) are provided with from top to bottom in each fluting (3), described particle fixture comprises the chute (4) be vertically arranged in fluting (3), width is less than upper rubber slide block (5) and the lower rubber slide block (6) of fluting (3) opening size, described upper rubber slide block (5) and lower rubber slide block (6) are provided with the slide rail (13) matched with chute (4), described upper rubber slide block (5) and lower rubber slide block (6) are provided with the circular hole (14) that internal diameter is less than radioactive particle (7) external diameter, described radioactive particle (7) upper end is plugged in the circular hole (14) of rubber slide block (5), its lower end is plugged in the circular hole (14) of lower rubber slide block (6).
2. medical particle conduit according to claim 1, it is characterized in that: described fixture comprises the buckle (15) in " U " font and is connected in sleeve pipe (1) upper end and external diameter is less than the flange (9) of sleeve pipe (1) external diameter, form groove (11) between described flange (9) and sleeve pipe (1), buckle (15) to be stuck in groove (11) and to extrude it and is fixed on conduit (12).
3. medical particle conduit according to claim 1, it is characterized in that: described fixture comprise be connected in sleeve pipe (1) upper end and external diameter be less than sleeve pipe (1) external diameter flange (9), up and down the conical surface II (10) at two ends, slip cap are loaded on the tapered sleeve (17) between sleeve pipe (1) and flange (9) to be arranged at flange (9) respectively, the taper hole (21) matched with the lower end conical surface II (10) is provided with in described tapered sleeve (17), when tapered sleeve (17) upward sliding, flange (9) inwardly crimp.
4. medical particle conduit as claimed in any of claims 1 to 3, is characterized in that: described sleeve pipe (1) is respectively arranged with the conical surface I (2) in two ends up and down.
5. medical particle conduit according to claim 1, is characterized in that: the bottom of described lower rubber slide block (6) is vertically provided with rubber column (8).
6. medical particle conduit according to claim 2, is characterized in that: the medial surface of described buckle (15) is provided with the pointed tooth (16) of some outwardly convexs, and described buckle (15) outward flange is smooth fillet.
7. medical particle conduit according to claim 2, is characterized in that: described flange (9) is respectively arranged with chamfering in two ends up and down.
8. medical particle conduit according to claim 3, is characterized in that: described tapered sleeve (17) outer surface is the conical surface III (18), and its upper and lower two ends are respectively arranged with chamfering (22).
9. medical particle conduit according to claim 3, it is characterized in that: described flange (9) upper end is provided with draw-in groove (19), the dop (20) matched with draw-in groove (19) is provided with, when tapered sleeve (17) upward sliding is placed in draw-in groove (19) to dop during top dead-centre (20) in described tapered sleeve (17).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410343856.9A CN104056344B (en) | 2014-07-19 | 2014-07-19 | Medical treatment particle conduit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410343856.9A CN104056344B (en) | 2014-07-19 | 2014-07-19 | Medical treatment particle conduit |
Publications (2)
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CN104056344A CN104056344A (en) | 2014-09-24 |
CN104056344B true CN104056344B (en) | 2016-03-23 |
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Family Applications (1)
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CN201410343856.9A Active CN104056344B (en) | 2014-07-19 | 2014-07-19 | Medical treatment particle conduit |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104587594A (en) * | 2015-01-14 | 2015-05-06 | 张健 | Biliary tract radiotherapy stent |
CN106983950A (en) * | 2017-04-12 | 2017-07-28 | 牛洪欣 | Rechargeable type particle conduit |
CN108744318B (en) * | 2018-06-29 | 2024-01-30 | 焦德超 | Particle automatic loading assembly structure |
CN111888639B (en) * | 2020-09-07 | 2025-03-28 | 郑州大学第一附属医院 | Radiation particle loader |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1254602A (en) * | 1999-12-21 | 2000-05-31 | 厦门市中山医院 | 4-cavity single-bag silastic tube for treating narrow esophagus caused by esophagus cancer |
EP1346751A2 (en) * | 2002-03-20 | 2003-09-24 | Cordis Corporation | Radioactive source ribbon assembly for brachytherapy |
EP1407799A1 (en) * | 2002-10-07 | 2004-04-14 | Nucletron B.V. | Device for implanting a row of radioactive seeds and non-radioactive spacers. |
CN201676381U (en) * | 2010-05-27 | 2010-12-22 | 中国人民解放军第四军医大学 | Disposable sleeve gastric tube |
CN102125717A (en) * | 2011-04-07 | 2011-07-20 | 大连大学 | Biliary tract internal drainage tube carrying radioactive particles |
CN202020695U (en) * | 2011-04-01 | 2011-11-02 | 刘德光 | Stomach tube easy to fix |
CN103830836A (en) * | 2014-03-03 | 2014-06-04 | 李玉亮 | Drainage catheter capable of carrying radioactive particles |
CN203647540U (en) * | 2013-12-03 | 2014-06-18 | 王东 | Flow guiding support with radioactive particle sleeve and radioactive particle pusher |
CN103877675A (en) * | 2014-02-21 | 2014-06-25 | 牛洪欣 | Intracavity radioactive-particle implant |
CN203989455U (en) * | 2014-07-19 | 2014-12-10 | 牛洪欣 | Medical treatment particle conduit |
-
2014
- 2014-07-19 CN CN201410343856.9A patent/CN104056344B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1254602A (en) * | 1999-12-21 | 2000-05-31 | 厦门市中山医院 | 4-cavity single-bag silastic tube for treating narrow esophagus caused by esophagus cancer |
EP1346751A2 (en) * | 2002-03-20 | 2003-09-24 | Cordis Corporation | Radioactive source ribbon assembly for brachytherapy |
EP1407799A1 (en) * | 2002-10-07 | 2004-04-14 | Nucletron B.V. | Device for implanting a row of radioactive seeds and non-radioactive spacers. |
CN201676381U (en) * | 2010-05-27 | 2010-12-22 | 中国人民解放军第四军医大学 | Disposable sleeve gastric tube |
CN202020695U (en) * | 2011-04-01 | 2011-11-02 | 刘德光 | Stomach tube easy to fix |
CN102125717A (en) * | 2011-04-07 | 2011-07-20 | 大连大学 | Biliary tract internal drainage tube carrying radioactive particles |
CN203647540U (en) * | 2013-12-03 | 2014-06-18 | 王东 | Flow guiding support with radioactive particle sleeve and radioactive particle pusher |
CN103877675A (en) * | 2014-02-21 | 2014-06-25 | 牛洪欣 | Intracavity radioactive-particle implant |
CN103830836A (en) * | 2014-03-03 | 2014-06-04 | 李玉亮 | Drainage catheter capable of carrying radioactive particles |
CN203989455U (en) * | 2014-07-19 | 2014-12-10 | 牛洪欣 | Medical treatment particle conduit |
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