CN102363060A - Ureteral stent - Google Patents
Ureteral stent Download PDFInfo
- Publication number
- CN102363060A CN102363060A CN2011103547810A CN201110354781A CN102363060A CN 102363060 A CN102363060 A CN 102363060A CN 2011103547810 A CN2011103547810 A CN 2011103547810A CN 201110354781 A CN201110354781 A CN 201110354781A CN 102363060 A CN102363060 A CN 102363060A
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- Prior art keywords
- draught line
- degradable
- rack tube
- ureter rack
- ureter
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Abstract
The invention discloses a ureteral stent, which comprises a body, a degradable tube and a traction line, wherein the body has a tubular structure; one end of the body is bent into an arc, and the other end of the body is connected with the degradable tube; the other end of the body and the degradable tube are bent into an arc; the bending direction of the other end of the body and the degradable tube is opposite to the bending direction of one end of the body; the traction line is wound and fixed in the tube wall of the degradable tube; and one end of the traction line is fixed with the end part of the body. Compared with the prior art, the ureteral stent can automatically release the traction line after being implanted into a body for a period of time, and the ureteral stent can be pulled out by dragging the traction line in vitro, so that cystoscope removal can be avoided, the pain of the patient due to cystoscope operation is relieved and the injury to the patient during cystoscope removal is reduced.
Description
Technical field
The application relates to technical field of medical instruments, particularly relates to a kind of ureter rack tube.
Background technology
Ureter rack tube is an elongated flexible pipe, leads to bladder from kidney.When ureter has when blocking,, ureter rack tube make urine drain into bladder from kidney thereby can supporting ureter.The urologist can insert support under many situation in ureter, and for example calculus, cicatricial stricture, tumor etc. cause when blocking.The conventional needs of operation on ureter (comprising ureter microscopy, rubble and ureter open surgery) are placed ureter rack tube, and renal pelvis operation (for example: renal pelvis cuts gets stone, renal pelvis shaping, PCN rubble etc.) also needs the conventional ureter rack tube of placing.
Ureter rack tube uses very general in Urology Surgery operation, has no at present a kind ofly can forever keep somewhere intravital ureter rack tube.Existing ureter rack tube all is must operate through invasive to pull out, and is generally the cystoscope operation, though the operation of this type cystoscope is not really major operation; But patient understands agonizing; Especially obvious for patient male, part patient not be because change of illness state even can tolerate the ureter rack tube extraction, and can cause the damage of degree varies during tube drawing to urinary tract tissue; Make it take place to infect and edema, some cases usually need emergency treatment.
Summary of the invention
In view of this; The application embodiment provides a kind of ureter rack tube; This ureter rack tube can discharge draught line after a period of time automatically in inserting body; Through pulling out this ureter rack tube at this draught line of external tractive, pull out thereby avoid carrying out cystoscope again, alleviated patient's misery.
To achieve these goals, the technical scheme that provides of the application embodiment is following:
A kind of ureter rack tube comprises: body, degradable pipe and draught line, wherein:
Said body is a tubular structure; One end of said body bends to circular arc; The other end of said body is connected with the degradable pipe; The other end of said body and degradable canal curvature are in the arc-shaped, and the bending of an end of the direction of the other end of said body and degradable canal curvature and said body is in the opposite direction;
Said draught line is fastened in the tube wall of said degradable pipe, and the end of said draught line one end and said body fixes.
Preferably, the material of said body is medical macromolecular materials.
Preferably, the material of said degradable pipe is starch or polysaccharide.
Preferably, said draught line twines one deck at least in the inwall of said degradable pipe.
Preferably, the material of said draught line is the material with biocompatibility.
Preferably, said draught line is a silk thread.
Preferably, the length of said draught line is 20-30cm.
Visible by above technical scheme, this ureter rack tube that the application embodiment provides comprises body, degradable pipe and draught line; Wherein: an end of body bends to circular arc; The other end is connected with the degradable pipe, and the other end of body and degradable pipe also bend to circular arc, in addition; In the inwall of degradable pipe, also be wound with draught line, and the end of draught line one end and said body fixes.During this ureter rack tube implant into body; An end that is not connected with the degradable pipe on the body is transported in the kidney through ureter; One end at degradable pipe place then is positioned at intravesical, and the circular arc that is bent to form for an end of winding draught line on the body like this can be with this ureter rack tube fixedly in the ureter.After implantation; Amylase in the urine can be with the slow hydrolysis of degradable coating, and after the degradable coating is hydrolyzed, draught line will come off gradually; And can be discharged to external along with urine; If reach extracting the time of ureter rack tube this moment, can be from urethral orifice tractive draught line, and then can extract this ureter rack tube that implants external.
Compared with prior art; Ureter rack tube can discharge draught line after a period of time automatically in inserting body; Through pulling out this ureter rack tube at this draught line of external tractive; Pull out thereby can avoid carrying out cystoscope again, alleviated the cystoscope operation to cause painful of patient and the damage that the patient is caused when extracting.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation one of the ureter rack tube that Fig. 1 provides for the application embodiment;
The structural representation two of the ureter rack tube that Fig. 2 provides for the application embodiment;
The structural representation three of the ureter rack tube that Fig. 3 provides for the application embodiment.
The specific embodiment
In order to make those skilled in the art person understand the technical scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technical scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
The structural representation one of the ureter rack tube that Fig. 1 provides for the application embodiment.The structural representation two of the ureter rack tube that Fig. 2 provides for the application embodiment.
As depicted in figs. 1 and 2, this ureter rack tube comprises: body 1, degradable pipe 5 and draught line 6, and wherein: an end 3 of body 1 bends to circular arc, and the other end 2 fixes with degradable pipe 5, and draught line 6 is positioned at the tube wall of degradable pipe 5.
As shown in Figure 1, body 1 is a hollow tubular structure, and its material adopts medical macromolecular materials, and for example: polyethylene, silicones, silicone are the block copolymer on basis, the block copolymer of styrene/ethylene/butylene etc.The tube wall of support 1 is provided with several urethral catheterization holes 4.In addition, an end 3 of body 1 bends to circular arc, shape such as pigtail.The other end 2 and the degradable pipe 5 of body 1 fix; And the other end 2 and the degradable pipe 5 of body 1 also bend to circular arc; In addition, as depicted in figs. 1 and 2, crooked in the opposite direction of the bending circular arcs of an end 3 of body 1 other end 2 and degradable pipe 5 bending circular arcs and body 1.After the bending, the circular arc that forms at body 1 two ends lays respectively at the both sides of body 1.
As shown in Figure 2, draught line 6 is fastened in the tube wall of degradable pipe 5, and its length can be at 20-30cm.Degradable pipe 5 can be fixed on the body 1 through bonding or alternate manner, and the length of degradable pipe 6 is at 2-4cm.In addition, draught line 6 fixes near an end and the body 1 of the other end 2 of body 1.
The material of degradable pipe 5 is a degradation material, for example: starch or polysaccharide.The effect of degradable pipe 5 is on the one hand behind this ureter rack tube implant into body; Degradable pipe 5 can be by the slow hydrolysis of a spot of amylase in the urine, and after 5 hydrolysis of degradable pipe, draught line 6 will come off gradually; As shown in Figure 3; Draught line 6 can unclamp among the figure, and can be discharged to externally with urine, and then can extract this ureter rack tube external at external tractive draught line 6.Because this draught line 6 need not to be wrapped on the body 1, but be wrapped in the tube wall of degradable pipe 5,, can prevent that draught line 6 from twining in vivo to bend to knot so after 5 hydrolysis of degradable pipe, draught line 6 can unclamp along with the discharge of urine.
In the application embodiment; Can regulate the thickness of degradable pipe 5 according to the amylase in the urine to the hydrolysis rate of degradation material; And then can design multiple release time of different ureter rack tube; When clinical practice, can avoid discharging draught line too early and cause controlled micturition discomfort or foreign body sensation.
In addition, behind this ureter rack tube implant into body, draught line 6 causes allergy, and the material of draught line is preferably the material with biocompatibility in this application, for example: silk thread.In addition, draught line 6 can twine one deck in the tube wall of degradable pipe 5, also can in the tube wall of degradable pipe 5, twine multilamellar according to the thickness situation of draught line 6.
Visible by above technical scheme, this ureter rack tube that the application embodiment provides comprises body, degradable pipe and draught line; Wherein: an end of body bends to circular arc; The other end is connected with the degradable pipe, and the other end of body and degradable pipe also bend to circular arc, in addition; In the inwall of degradable pipe, also be wound with draught line, and the end of draught line one end and said body fixes.During this ureter rack tube implant into body; An end that is not connected with the degradable pipe on the body is transported in the kidney through ureter; One end at degradable pipe place then is positioned at intravesical, and the circular arc that is bent to form for an end of winding draught line on the body like this can be with this ureter rack tube fixedly in the ureter.After implantation; Amylase in the urine can be with the slow hydrolysis of degradable coating, and after the degradable coating is hydrolyzed, draught line will come off gradually; And can be discharged to external along with urine; If reach extracting the time of ureter rack tube this moment, can be from urethral orifice tractive draught line, and then can extract this ureter rack tube that implants external.
Compared with prior art; Ureter rack tube can discharge draught line after a period of time automatically in inserting body; Through pulling out this ureter rack tube at this draught line of external tractive; Pull out thereby can avoid carrying out cystoscope again, alleviated the cystoscope operation to cause painful of patient and the damage that the patient is caused when extracting.
The above only is the application's a preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the application or scope in other embodiments among this paper.Therefore, the application will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. a ureter rack tube is characterized in that, comprising: body, degradable pipe and draught line, wherein:
Said body is a tubular structure; One end of said body bends to circular arc; The other end of said body is connected with the degradable pipe; The other end of said body and degradable canal curvature are in the arc-shaped, and the bending of an end of the direction of the other end of said body and degradable canal curvature and said body is in the opposite direction;
Said draught line is fastened in the tube wall of said degradable pipe, and the end of said draught line one end and said body fixes.
2. ureter rack tube according to claim 1 is characterized in that, the material of said body is medical macromolecular materials.
3. ureter rack tube according to claim 1 is characterized in that, the material of said degradable pipe is starch or polysaccharide.
4. ureter rack tube according to claim 1 is characterized in that, said draught line twines one deck at least in the inwall of said degradable pipe.
5. according to each described ureter rack tube of claim 1-5, it is characterized in that the material of said draught line is the material with biocompatibility.
6. ureter rack tube according to claim 5 is characterized in that, said draught line is a silk thread.
7. ureter rack tube according to claim 6 is characterized in that, the length of said draught line is 20-30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110354781.0A CN102363060B (en) | 2011-11-10 | 2011-11-10 | Ureteral stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110354781.0A CN102363060B (en) | 2011-11-10 | 2011-11-10 | Ureteral stent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102363060A true CN102363060A (en) | 2012-02-29 |
| CN102363060B CN102363060B (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110354781.0A Expired - Fee Related CN102363060B (en) | 2011-11-10 | 2011-11-10 | Ureteral stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102363060B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579171A (en) * | 2012-03-05 | 2012-07-18 | 中国人民解放军第三军医大学第二附属医院 | Ureteral stent device |
| CN102580223A (en) * | 2012-03-05 | 2012-07-18 | 中国人民解放军第三军医大学第二附属医院 | Ureteral stent tube and ureteral stent device applying same |
| CN106264641A (en) * | 2016-08-31 | 2017-01-04 | 中国人民解放军第三军医大学第附属医院 | Tubal branch stay tube |
| CN111012556A (en) * | 2020-03-02 | 2020-04-17 | 姜辉 | Ejaculatory duct support double-J tube |
| CN111346289A (en) * | 2020-03-11 | 2020-06-30 | 郭振宇 | Ureteral stent tube |
| CN115068791A (en) * | 2022-06-22 | 2022-09-20 | 深圳大学总医院 | Double J tube with pull-out structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2128148Y (en) * | 1992-06-25 | 1993-03-17 | 夏志恬 | Internal supporter drainage-tube for ureter |
| CN2671602Y (en) * | 2003-12-25 | 2005-01-19 | 罗功唐 | Disposable pigtail type catheter |
| CN2691521Y (en) * | 2003-06-25 | 2005-04-13 | 成都拓泰医药科技开发有限公司 | Biodegradable ureter holder |
-
2011
- 2011-11-10 CN CN201110354781.0A patent/CN102363060B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2128148Y (en) * | 1992-06-25 | 1993-03-17 | 夏志恬 | Internal supporter drainage-tube for ureter |
| CN2691521Y (en) * | 2003-06-25 | 2005-04-13 | 成都拓泰医药科技开发有限公司 | Biodegradable ureter holder |
| CN2671602Y (en) * | 2003-12-25 | 2005-01-19 | 罗功唐 | Disposable pigtail type catheter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579171A (en) * | 2012-03-05 | 2012-07-18 | 中国人民解放军第三军医大学第二附属医院 | Ureteral stent device |
| CN102580223A (en) * | 2012-03-05 | 2012-07-18 | 中国人民解放军第三军医大学第二附属医院 | Ureteral stent tube and ureteral stent device applying same |
| CN102580223B (en) * | 2012-03-05 | 2014-04-02 | 中国人民解放军第三军医大学第二附属医院 | Ureteral stent tube and ureteral stent device applying same |
| CN102579171B (en) * | 2012-03-05 | 2015-03-18 | 中国人民解放军第三军医大学第二附属医院 | Ureteral stent device |
| CN106264641A (en) * | 2016-08-31 | 2017-01-04 | 中国人民解放军第三军医大学第附属医院 | Tubal branch stay tube |
| CN106264641B (en) * | 2016-08-31 | 2018-11-06 | 中国人民解放军第三军医大学第一附属医院 | Tubal branch stay tube |
| CN111012556A (en) * | 2020-03-02 | 2020-04-17 | 姜辉 | Ejaculatory duct support double-J tube |
| CN111346289A (en) * | 2020-03-11 | 2020-06-30 | 郭振宇 | Ureteral stent tube |
| CN115068791A (en) * | 2022-06-22 | 2022-09-20 | 深圳大学总医院 | Double J tube with pull-out structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102363060B (en) | 2015-07-22 |
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Owner name: TAIZHOU YINLIN MEDICAL DEVICES CO., LTD. Free format text: FORMER OWNER: CHENGDU YUXI MEDICAL TECHNOLOGY CO., LTD. Effective date: 20140728 |
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Free format text: CORRECT: ADDRESS; FROM: 611838 CHENGDU, SICHUAN PROVINCE TO: 225511 TAIZHOU, JIANGSU PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140728 Address after: 225511, Jiangsu, Taizhou province Jiangyan Qiaotou town industrial concentration area Applicant after: Taizhou Yinlin Medical Devices Co., Ltd. Address before: 611838 Shiyang Industrial Park, hi tech Zone, Chengdu, Sichuan Applicant before: Chengdu Yuxi Medical Technology Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20171110 |