CN104056344A - Medical particle catheter - Google Patents
Medical particle catheter Download PDFInfo
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- CN104056344A CN104056344A CN201410343856.9A CN201410343856A CN104056344A CN 104056344 A CN104056344 A CN 104056344A CN 201410343856 A CN201410343856 A CN 201410343856A CN 104056344 A CN104056344 A CN 104056344A
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- sleeve pipe
- slide block
- sleeve
- particle
- flange
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Abstract
The invention relates to a medical particle catheter which comprises a sleeve movably arranged on a catheter body in a sleeved mode and a fixing device used for fixing the sleeve on the catheter body. A plurality of grooves are formed in the sleeve in the circumferential direction, and the inside of each groove is provided with a plurality of particle fixing devices used for fixing radioactive particles from top to bottom. According to the specific position of a tumor, the position, on the catheter body, of the sleeve is adjusted, the sleeve is locked and fixed onto the catheter body through the fixing device, then the catheter body is placed into a human body, and the sleeve is right located on the position of the tumor. Due to the fact that the radioactive particles are located in the grooves, an open structure is formed, it can be guaranteed that radioactive rays emitted by the radioactive particles illuminate the tumor well, and the treatment effect is improved. Compared with a support and other treatment methods, the body surface of a patient do not have barriers after treatment, no foreign matter exists in the body of the patient, suffering is relieved, treatment effectiveness is good, the patient can easily accept the treatment method due to the fact that the treatment method belongs to minimally invasive treatment and life quality can be improved.
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, for some, lose surgical engine meeting or be not suitable for pernicious tract surgical procedure, that cause because of tumor and block patient, placing conduit is a kind of Therapeutic Method of commonly using clinically.Place conduit and can play the effect of drain or nasal feeding, but only can relief of symptoms and can not treat tumor.For example, when thoracic choke appears in esophageal neoplasm patient, insert stomach tube and make it by the place of blocking, arrive and block far-end, can be used for nasal feeding to solve problems concerning nutrition, but stomach tube itself can not be treated tumor.
Other also have, and when pyloric obstruction or intestinal obstruction appear in patients with gastrointestinal carcinoma, inserting stomach tube or intestinal obstruction conduit 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 these conduits of inserting are not all treated the effect of tumor.
Summary of the invention
The present invention is in order to overcome the deficiency of above technology, the medical particle conduit that provides a kind of mode that can utilize radioactive particle to implant when catheter drainage or nasal feeding to treat.
The present invention overcomes the technical scheme that its technical problem adopts:
This medical particle conduit, comprise that movable set is in supravasal sleeve pipe and for sleeve pipe being fixed on to supravasal fixture, described sleeve pipe is along the circumferential direction provided with some flutings, in each fluting, is provided with some particle fixtures for immobilization of radioactive particle from top to bottom.
Above-mentioned particle fixture comprises that the chute, the width that are vertically arranged in fluting are less than upper rubber slide block and the lower rubber slide block of slotted openings size, on described upper rubber slide block and lower rubber slide block, be provided with the slide rail matching with chute, on described upper rubber slide block and lower rubber slide block, be 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 and is the buckle of " U " font and is connected in sleeve pipe upper end and external diameter is less than the flange of sleeve pipe external diameter, and between described flange and sleeve pipe, form groove, buckle is stuck in groove and pushes it and is fixed on conduit.
Above-mentioned fixture comprises and is connected in sleeve pipe upper end and external diameter is less than the flange of sleeve pipe external diameter, the conical surface II, the slip cap that are arranged at respectively the upper and lower two ends of flange is loaded on the tapered sleeve between sleeve pipe and flange, in described tapered sleeve, be provided with the taper hole matching with lower end conical surface II, when tapered sleeve upward sliding, the inside crimp of flange.
In order to prevent from scratching human organ, the upper and lower two ends of above-mentioned sleeve pipe are respectively arranged with conical surface I.
Can be crooked 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 from scratching human organ, the upper and lower two ends of above-mentioned flange are respectively arranged with chamfering.
In order to prevent from scratching human organ, above-mentioned tapered sleeve outer surface is conical surface III, and its upper and lower two ends are respectively arranged with chamfering.
In order to prevent that tapered sleeve from coming off, above-mentioned flange upper end is provided with draw-in groove, is provided with the dop matching with draw-in groove in described tapered sleeve, when tapered sleeve upward sliding during to top dead-centre dop be placed in draw-in groove.
The invention has the beneficial effects as follows: owing to being designed with the memory space of some radioactive particles on conduit, therefore according to the concrete position of tumor, adjust sleeve pipe in supravasal position, and utilize fixture to be locked on conduit, make afterwards conduit insert in body, the position of sleeve pipe is just in time positioned at tumor locus.Because radioactive particle is arranged in fluting, so it is open structure, can guarantee that the lonizing radiation that radioactive particle sends are irradiated in tumor better, have improved therapeutic effect.When conduit plays drain or nasal feeding effect, the internal radiation effect treatment tumor of performance particle.After treatment certain hour, according to tumor by local situation of change, can adjust at any time the relative position of particle and tumor.Tumor regression, blocking can Lumen catheter and sleeve pipe after releasing.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, is easier to accept on patients ' psychological, more can improve the quality of living.Conduit can be various implantable medical conduits, 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. 6. times rubber slide blocks of 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..
The specific embodiment
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 is fixed on to the fixture on conduit 12, sleeve pipe 1 is along the circumferential direction provided with some flutings 3, in each fluting 3, is provided with some particle fixtures for immobilization of radioactive particle 7 from top to bottom.Owing to being designed with the memory space of some radioactive particles 7 on conduit 12, therefore according to the concrete position of tumor, adjust sleeve pipe 1 in supravasal position, and utilize fixture to be locked on conduit 12, and make afterwards conduit 12 insert in body, the position of sleeve pipe 1 is just in time positioned at tumor locus.Sleeve pipe 1 can adopt the flexibility materials such as rubber, silica gel to make, and avoids the damage to organ.Because radioactive particle 7 is arranged in fluting 3, so it is open structure, can guarantee that the lonizing radiation that radioactive particle 7 sends are irradiated in tumor better, have improved therapeutic effect.When conduit 12 plays drain or nasal feeding effect, the internal radiation effect treatment tumor of performance particle.Tumor regression, blocking can Lumen catheter 12 and sleeve pipe 1 after releasing.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, is easier to accept on patients ' psychological, more can improve the quality of living.Conduit 12 can be various implantable medical conduits, as particle stomach tube, particle intestinal tube, particle urinary catheter etc., therefore applied widely.
As shown in Figure 2, above-mentioned particle fixture comprises that the chute 4, the width that are vertically arranged in fluting 3 are less than upper rubber slide block 5 and the lower rubber slide block 6 of fluting 3 opening sizes, on upper rubber slide block 5 and lower rubber slide block 6, be provided with the slide rail 13 matching with chute 4, on upper rubber slide block 5 and lower rubber slide block 6, be provided with the circular hole 14 that internal diameter is less than radioactive particle 7 external diameters, radioactive particle 7 upper ends are 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 diameters are less than the external diameter of radioactive particle 7, therefore upper rubber slide block 5 and lower rubber slide block 6 can be firmly fixing by radioactive particle 7, afterwards upper rubber slide block 5 and lower rubber slide block 6 are inserted in chute 4 by slide rail 13, in like manner some radioactive particles are fixed to insert successively in chute 4 and guarantee after upper rubber slide block 5 and lower rubber slide block 6 and have gap between each radioactive particle 7 in two ends Shang Xia 7, can realize the implantation of radioactive particle 7.Simple operation is installed easily.
Fixture can be for following structure it comprise and be the buckle 15 of " 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, between flange 9 and sleeve pipe 1, form groove 11, buckle 15 is stuck in groove 11 and pushes it and is fixed on conduit 12, realization is locked, simple in structure, 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 better and prevent that the situation that buckle 15 comes off from occurring, and further improved the reliability of using.Buckle 15 outward flanges are smooth fillet, have further avoided scuffing human organ tissue, have improved safety.
As shown in accompanying drawing 4 and accompanying drawing 5, fixture can be also following structure, it comprise be connected in sleeve pipe 1 upper end and external diameter be less than the flange 9 of sleeve pipe 1 external diameter, be respectively arranged at flange Shang Xia 9 conical surface II 10, the slip cap at two ends be loaded on the tapered sleeve 17 between sleeve pipe 1 and flange 9, in tapered sleeve 17, be provided with the taper hole 21 matching with lower end conical surface II 10.By making tapered sleeve 17 upward slidings, the lower end conical surface II 10 of taper hole 21 crush ribs 9, it is hereby ensured that flange 9 tightly adds to be pressed on conduit 12, realizes locking.Adopt this kind of structure under the help of endoscope, by service aisle, to utilize foreign body forceps to clamp tapered sleeve 17, make its down sliding, thereby can realize release, now can realize in vivo the position of adjusting sleeve pipe according to knub position, recycle afterwards foreign body forceps and clamp tapered sleeve 17 upward slidings and realize locking, further improved the motility of using.
Sleeve pipe can be respectively arranged with conical surface I 2 in two ends Shang Xia 1.Flange 9 upper ends are provided with draw-in groove 19, are provided with the dop 20 matching with draw-in groove 19 in tapered sleeve 17, when tapered sleeve 17 upward slidings during to top dead-centre dop 20 be placed in draw-in groove 19.
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 two radioactive particles 7 up and down in fluting 3 spaced apart, when sleeve pipe 1, when inserting human body, can guarantee its flexural deformation, guarantees smooth insertion.
When preventing that this medical particle conduit is in insertosome, scratch organ, flange is respectively arranged with chamfering in two ends Shang Xia 9.And tapered sleeve 17 outer surfaces are conical surface III 18, its upper and lower two ends are respectively arranged with chamfering 22.By chamfering and conical surface III 18 are set, can effectively prevent situation about scratching, further improve the safety of using.
Claims (10)
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) is fixed on to the fixture on conduit (12), described sleeve pipe (1) is along the circumferential direction provided with some flutings (3), in each fluting (3), is provided with some particle fixtures for immobilization of radioactive particle (7) from top to bottom.
2. medical particle conduit according to claim 1, it is characterized in that: described particle fixture comprises the chute (4) being 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, on described upper rubber slide block (5) and lower rubber slide block (6), be provided with the slide rail (13) matching with chute (4), on described upper rubber slide block (5) and lower rubber slide block (6), be 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).
3. medical particle conduit according to claim 1, it is characterized in that: described fixture comprises and is the buckle (15) of " 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, between described flange (9) and sleeve pipe (1), form groove (11), buckle (15) is stuck in groove (11) and pushes it and is fixed on conduit (12).
4. medical particle conduit according to claim 1, it is characterized in that: described fixture comprises and is connected in that sleeve pipe (1) upper end and external diameter are less than the flange (9) of sleeve pipe (1) external diameter, the conical surface II (10), the slip cap that are arranged at respectively the upper and lower two ends of flange (9) is loaded on the tapered sleeve (17) between sleeve pipe (1) and flange (9), in described tapered sleeve (17), be provided with the taper hole (21) matching with lower end conical surface II (10), when tapered sleeve (17) upward sliding, inwardly crimp of flange (9).
5. according to the medical particle conduit described in any one in claim 1 to 4, it is characterized in that: the upper and lower two ends of described sleeve pipe (1) are respectively arranged with conical surface I (2).
6. medical particle conduit according to claim 2, is characterized in that: the bottom of described lower rubber slide block (6) is vertically provided with rubber column (8).
7. medical particle conduit according to claim 3, 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.
8. medical particle conduit according to claim 3, is characterized in that: the upper and lower two ends of described flange (9) are respectively arranged with chamfering.
9. medical particle conduit according to claim 4, is characterized in that: described tapered sleeve (17) outer surface is conical surface III (18), and its upper and lower two ends are respectively arranged with chamfering (22).
10. medical particle conduit according to claim 4, it is characterized in that: described flange (9) upper end is provided with draw-in groove (19), in described tapered sleeve (17), be provided with the dop (20) matching with draw-in groove (19), when tapered sleeve (17) upward sliding during to top dead-centre dop (20) be placed in draw-in groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|---|---|
| CN201410343856.9A CN104056344B (en) | 2014-07-19 | 2014-07-19 | Medical treatment particle conduit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104056344A true CN104056344A (en) | 2014-09-24 |
| CN104056344B CN104056344B (en) | 2016-03-23 |
Family
ID=51544455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410343856.9A Active CN104056344B (en) | 2014-07-19 | 2014-07-19 | Medical treatment particle conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104056344B (en) |
Cited By (3)
| 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 |
| CN108744318A (en) * | 2018-06-29 | 2018-11-06 | 焦德超 | A kind of helical form short distance nucleic radiotheraphy device and particle load assembly automatically |
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 bushing stomach 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 bushing stomach 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 |
Cited By (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 |
| CN108744318A (en) * | 2018-06-29 | 2018-11-06 | 焦德超 | A kind of helical form short distance nucleic radiotheraphy device and particle load assembly automatically |
| CN108744318B (en) * | 2018-06-29 | 2024-01-30 | 焦德超 | Particle automatic loading assembly structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104056344B (en) | 2016-03-23 |
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