CN102363060B - Ureteral stent - Google Patents
Ureteral stent Download PDFInfo
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- CN102363060B CN102363060B CN201110354781.0A CN201110354781A CN102363060B CN 102363060 B CN102363060 B CN 102363060B CN 201110354781 A CN201110354781 A CN 201110354781A CN 102363060 B CN102363060 B CN 102363060B
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- Prior art keywords
- draught line
- rack tube
- ureter rack
- degradable pipe
- degradable
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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 have block time, ureter rack tube can support ureter thus enable urine drain into bladder from kidney.In many situations urologist can in ureter Stent Implantation, such as, time calculus, cicatricial stricture, tumor etc. cause and block.Operation on ureter (comprising ureteral ligation, rubble and ureter open surgery) routine needs to place ureter rack tube, and renal pelvis operation (such as: pyelolithotomy, renal pelvis shaping, percutaneous nephroscope lithotripsy etc.) also needs conventional placement ureter rack tube.
Ureter rack tube uses very general in urological surgery, at present without any a kind of can ureter rack tube in forever indwelling body.Existing ureter rack tube is all must be pulled out by store period, be generally cystoscope operation, although this kind of cystoscope operation is not really major operation, but patient can be agonizing, especially obvious for male patient, some patients because change of illness state even can not tolerate ureter rack tube extraction, and can cause the damage of degree varies during tube drawing to urinary tract tissue, make it occur to infect and edema, some cases usually need emergency treatment.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of ureter rack tube, this ureter rack tube can discharge draught line after a period of time automatically inserting in body, this ureter rack tube can be pulled out by this draught line of tractive in vitro, thus avoid carrying out cystoscope again and pull out, alleviate the misery of patient.
To achieve these goals, the technical scheme that provides of the embodiment of the present application is as follows:
A kind of ureter rack tube, comprising: body, degradable pipe and draught line, wherein:
Described body is tubular structure, one end of described body bends to circular arc, the other end of described body is connected with degradable pipe, the other end and the degradable pipe of described body bend to circular arc, and the direction that the other end of described body and degradable pipe bend is contrary with the direction that one end of described body bends;
Described draught line is fastened in the tube wall of described degradable pipe, and the end of described draught line one end and described body fixes.
Preferably, the material of described body is medical macromolecular materials.
Preferably, the material of described degradable pipe is starch or polysaccharide.
Preferably, described draught line is wound around at least one deck in the inwall of described degradable pipe.
Preferably, the material of described draught line is the material with biocompatibility.
Preferably, described draught line is silk thread.
Preferably, the length of described draught line is 20-30cm.
From above technical scheme, this ureter rack tube that the embodiment of the present application provides, comprise body, degradable pipe and draught line, wherein: one end of body bends to circular arc, the other end is connected with degradable pipe, and the other end of body and degradable pipe also bend to circular arc, in addition, in the inwall of degradable pipe, be also wound with draught line, and the end of draught line one end and described body fixes.During this ureter rack tube implant into body, one end body not being connected with degradable pipe is transported in kidney by ureter, the one end at degradable pipe place is then positioned at intravesical, and this ureter rack tube can be fixed in ureter by the circular arc that such body is bent to form for the one end being wound around draught line.After the implantation, biodegradable coating can slowly be hydrolyzed by the amylase in urine, after biodegradable coating is hydrolyzed, draught line will come off gradually, and can be discharged to external along with urine, if what now reach ureter rack tube extracts the time, can from urethral orifice tractive draught line, and then can this ureter rack tube implanted be extracted external.
Compared with prior art, ureter rack tube can discharge draught line after a period of time automatically inserting in body, this ureter rack tube can be pulled out by this draught line of tractive in vitro, thus can avoid carrying out cystoscope again and pull out, damage when alleviating misery that cystoscope operation causes patient and extract, patient caused.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation one of the ureter rack tube that Fig. 1 provides for the embodiment of the present application;
The structural representation two of the ureter rack tube that Fig. 2 provides for the embodiment of the present application;
The structural representation three of the ureter rack tube that Fig. 3 provides for the embodiment of the present application.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under 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 embodiment of the present application.The structural representation two of the ureter rack tube that Fig. 2 provides for the embodiment of the present application.
As depicted in figs. 1 and 2, this ureter rack tube comprises: body 1, degradable pipe 5 and draught line 6, and wherein: one end 3 of body 1 bends to circular arc, the other end 2 and degradable pipe 5 fix, and draught line 6 is positioned at the tube wall of degradable pipe 5.
As shown in Figure 1, body 1 is the tubular structure of hollow, and its material adopts medical macromolecular materials, such as: the block copolymer etc. of the block copolymer based on polyethylene, silicones, silicone, styrene/ethylene/butylene.The tube wall of support 1 is provided with several urethral catheterization holes 4.In addition, one end 3 of body 1 bends to circular arc, and shape is as pigtail.The other end 2 and the degradable pipe 5 of body 1 fix, and the other end 2 of body 1 and degradable pipe 5 also bend to circular arc, in addition, as depicted in figs. 1 and 2, the direction that body 1 other end 2 and the bending circular arc of degradable pipe 5 are bending with the bending circular arc in one end 3 of body 1 is contrary.After bending, the circular arc formed 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 at 20-30cm.Degradable pipe 5 can be fixed on body 1 by bonding or alternate manner, and the length of degradable pipe 6 is at 2-4cm.In addition, draught line 6 fixes near one end of the other end 2 of body 1 and body 1.
The material of degradable pipe 5 is degradation material, such as: starch or polysaccharide.The effect of degradable pipe 5 is when after this ureter rack tube implant into body on the one hand, degradable pipe 5 slowly can be hydrolyzed by amylase a small amount of in urine, after degradable pipe 5 is hydrolyzed, draught line 6 will come off gradually, as shown in Figure 3, in figure, draught line 6 can unclamp, and can be discharged to external with urine, and then can extract external by this ureter rack tube by tractive draught line 6 in vitro.Draught line 6 because this draught line 6 is without the need to being wrapped on body 1, but is wrapped in the tube wall of degradable pipe 5, so after degradable pipe 5 is hydrolyzed, can unclamp along with the discharge of urine, draught line 6 can be prevented to be wound around in vivo and bend to knot.
In the embodiment of the present application, can can regulate the thickness of degradable pipe 5 to the hydrolysis rate of degradation material according to the amylase in urine, and then different ureter rack tube multiple release time can be designed, when clinical practice, can avoid discharging draught line too early and cause controlled micturition discomfort or foreign body sensation.
In addition, after this ureter rack tube implant into body, draught line 6 causes allergy, and the material of draught line preferably has the material of biocompatibility in this application, such as: silk thread.In addition, draught line 6 can be wound around one deck in the tube wall of degradable pipe 5, also according to the thickness situation of draught line 6, can be wound around multilamellar in the tube wall of degradable pipe 5.
From above technical scheme, this ureter rack tube that the embodiment of the present application provides, comprise body, degradable pipe and draught line, wherein: one end of body bends to circular arc, the other end is connected with degradable pipe, and the other end of body and degradable pipe also bend to circular arc, in addition, in the inwall of degradable pipe, be also wound with draught line, and the end of draught line one end and described body fixes.During this ureter rack tube implant into body, one end body not being connected with degradable pipe is transported in kidney by ureter, the one end at degradable pipe place is then positioned at intravesical, and this ureter rack tube can be fixed in ureter by the circular arc that such body is bent to form for the one end being wound around draught line.After the implantation, biodegradable coating can slowly be hydrolyzed by the amylase in urine, after biodegradable coating is hydrolyzed, draught line will come off gradually, and can be discharged to external along with urine, if what now reach ureter rack tube extracts the time, can from urethral orifice tractive draught line, and then can this ureter rack tube implanted be extracted external.
Compared with prior art, ureter rack tube can discharge draught line after a period of time automatically inserting in body, this ureter rack tube can be pulled out by this draught line of tractive in vitro, thus can avoid carrying out cystoscope again and pull out, damage when alleviating misery that cystoscope operation causes patient and extract, patient caused.
The above is only the preferred implementation of the application, those skilled in the art is understood or realizes the application.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a ureter rack tube, according to the amylase in urine, the hydrolysis rate of degradation material is regulated to the thickness of degradable pipe, and then design different ureter rack tube multiple release time, it is characterized in that, comprise: body, degradable pipe and draught line, wherein:
Described body is tubular structure, one end of described body bends to circular arc, the other end of described body is connected with degradable pipe, the other end and the degradable pipe of described body bend to circular arc, and the direction that the other end of described body and degradable pipe bend is contrary with the direction that one end of described body bends;
Described draught line is fastened in the tube wall of described degradable pipe, and the end of described draught line one end and described body fixes.
2. ureter rack tube according to claim 1, is characterized in that, the material of described body is medical macromolecular materials.
3. ureter rack tube according to claim 1, is characterized in that, the material of described degradable pipe is starch or polysaccharide.
4. ureter rack tube according to claim 1, is characterized in that, described draught line is wound around at least one deck in the inwall of described degradable pipe.
5. the ureter rack tube according to any one of claim 1-4, is characterized in that, the material of described draught line is the material with biocompatibility.
6. ureter rack tube according to claim 5, is characterized in that, described draught line is silk thread.
7. ureter rack tube according to claim 6, is characterized in that, the length of described 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 CN102363060A (en) | 2012-02-29 |
| CN102363060B true 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 |
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| Country | Link |
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| CN (1) | CN102363060B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102363060A (en) | 2012-02-29 |
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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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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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