CN102500034A - Ureteral stent - Google Patents
Ureteral stent Download PDFInfo
- Publication number
- CN102500034A CN102500034A CN2011103547844A CN201110354784A CN102500034A CN 102500034 A CN102500034 A CN 102500034A CN 2011103547844 A CN2011103547844 A CN 2011103547844A CN 201110354784 A CN201110354784 A CN 201110354784A CN 102500034 A CN102500034 A CN 102500034A
- Authority
- CN
- China
- Prior art keywords
- draught line
- rack tube
- ureter rack
- ureter
- pull wire
- 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.)
- Pending
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/008—Implant devices for drainage of body fluids from one part of the body to another pre-shaped, for use in the urethral or ureteral tract
Abstract
The invention discloses a ureteral stent, which comprises a body and a pull wire, wherein the body is of a tubular structure, two ends of the body are bent into arcs in opposite directions, the pull wire is wound on the body and positioned at one end of the body, one end of the pull wire is fixed to the body, the other end of the pull wire is separated from the body, an outer layer of the pull wire is coated with a degradable coating layer after the pull wire is wound, and the wound pull wire wraps the body. Compared with the prior art, the ureteral stent has the advantages that the pull wire can be automatically released after the ureteral stent is placed into a body for a period of time, and the ureteral stent can be removed by pulling the pull wire outside the body, so that removal of a cystoscope can be avoided, the pain of a patient caused by cystoscopy operation is relieved, and injury to the patient caused by removal of the cystoscope is avoided.
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 and draught line, wherein:
Said body is a tubular structure, and the two ends of said body bend to circular arc respectively in the opposite direction;
Said draught line is wrapped on the said body, and is positioned at an end of said body;
One end and the said body of said draught line fix, and the other end and said body are separated, and the skin of said draught line is coated with the degradable coating after winding, will twine the said draught line in back and be coated on the said body.
Preferably, the material of said body is medical macromolecular materials.
Preferably, the said draught line end and the said body that are positioned at said body end fixes.
Preferably, said draught line twines one deck at least on said body.
Preferably, said body is made up of two sections different tubular structures of diameter, and wherein: said draught line is wrapped on the less tubular structure of diameter.
Preferably, on the less tubular structure of the diameter that said degradable coating is coated in said body, and the equal diameters of the tubular structure that diameter is bigger on the external diameter of said degradable coating and the said body.
Preferably, the material of said degradable coating is starch or polysaccharide.
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; Comprise body and draught line, wherein: the end at body is wound with draught line, and an end and the body away from body end of draught line fix; The skin of the draught line after winding is coated with the degradable coating, and the draught line after twining is coated on the body.During this ureter rack tube implant into body; An end that does not twine draught line on the body is transported in the kidney through ureter; An end that is wound with draught line on the body then is positioned at intravesical, and the circular arc that is bent to form for an end that twines 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 and draught line 5, wherein: draught line 4 is wrapped on the end of body 1.
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; The two ends of body 1 all bend to circular arc; Shape such as pigtail, and as depicted in figs. 1 and 2, and the two ends 2 of body 1 and 3 are crooked in the opposite direction respectively; After the bending, an end 2 bending circular arcs of body 1 and the other end 3 bending circular arcs of body 1 lay respectively at the both sides of body 1.
As shown in Figure 2, draught line 5 is wrapped on the end 2 of support 1, and its length can be at 20-30cm, and the length on body 1 after draught line 5 twines is at 4-6cm.An end and body 1 that draught line 5 is positioned at body 1 end fix; The other end begins to twine to the end of body 1 from the middle part of body 1; After this canoe of draught line 5 and body 1 are put into human body; The direction that urine is discharged is consistent, and promptly draught line 5 can unclamp along with the discharge of urine, and can prevent that draught line 5 from twining in vivo and bend to knot.Behind this ureter rack tube implant into body, draught line 5 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 5 can twine one deck on body 1, in addition, also can on body 1, twine multilamellar according to the thickness situation of draught line 5.
As shown in Figure 1, the skin of the draught line 5 after winding also is coated with degradable coating 6, and the material of degradable coating 6 is a degradation material, for example: starch or polysaccharide.The outer surface of degradable coating 6 is a smooth surface, and the effect of degradable coating 6 is that the draught line 5 that on body 1, twines unclamps on the one hand, on the other hand; Behind this ureter rack tube implant into body; Degradable coating 6 can be by the slow hydrolysis of a spot of amylase in the urine, and after 6 hydrolysis of degradable coating, draught line 5 will come off gradually; As shown in Figure 3; Draught line 5 breaks away from bodies 1 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 5.
In the application embodiment; Can regulate the thickness of degradable coating 6 to the hydrolysis rate of degradation material according to the amylase in the urine; 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, if the caliber of body 1 is consistent, the draught line 5 after twining so will increase the caliber of body 1, after the implantation after 6 hydrolysis of degradable coating, draught line 5 will be bound on the body 1, is difficult for being released.In order to address the above problem, as shown in Figure 2, in the application embodiment; Body 1 is made up of the different two sections tubular structures 11 and 12 of diameter, and the diameter of tubular structure 11 is less than the diameter of tubular structure 12, and draught line 5 is when twining; Be wrapped on the tubular structure 11, also can not increase the diameter of body 1 after draught line 5 twines like this, in addition; Degradable coating 6 also is coated on the tubular structure 11; And after applying, the external diameter of degradable coating 6 is less than or equal to the diameter of tubular structure 12, and the diameter of this ureter rack tube after the promptly feasible coating degradable coating 6 is even.
Visible by above technical scheme; This ureter rack tube that the application embodiment provides; Comprise body and draught line, wherein: the end at body is wound with draught line, and an end and the body away from body end of draught line fix; The skin of the draught line after winding is coated with the degradable coating, and the draught line after twining is coated on the body.During this ureter rack tube implant into body; An end that does not twine draught line on the body is transported in the kidney through ureter; An end that is wound with draught line on the body then is positioned at intravesical, and the circular arc that is bent to form for an end that twines 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 (10)
1. a ureter rack tube is characterized in that, comprising: body and draught line, wherein:
Said body is a tubular structure, and the two ends of said body bend to circular arc respectively in the opposite direction;
Said draught line is wrapped on the said body, and is positioned at an end of said body;
One end and the said body of said draught line fix, and the other end and said body are separated, and the skin of said draught line is coated with the degradable coating after winding, will twine the said draught line in back and be coated on the said body.
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 2 is characterized in that, an end and said body that said draught line is positioned at said body end fix.
4. ureter rack tube according to claim 3 is characterized in that, said draught line twines one deck at least on said body.
5. ureter rack tube according to claim 1 is characterized in that, said body is made up of two sections different tubular structures of diameter, and wherein: said draught line is wrapped on the less tubular structure of diameter.
6. ureter rack tube according to claim 5; It is characterized in that; On the less tubular structure of the diameter that said degradable coating is coated in said body, and the equal diameters of the tubular structure that diameter is bigger on the external diameter of said degradable coating and the said body.
7. ureter rack tube according to claim 1 is characterized in that, the material of said degradable coating is starch or polysaccharide.
8. according to each described ureter rack tube of claim 1-7, it is characterized in that the material of said draught line is the material with biocompatibility.
9. ureter rack tube according to claim 8 is characterized in that, said draught line is a silk thread.
10. ureter rack tube according to claim 9 is characterized in that, the length of said draught line is 20-30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103547844A CN102500034A (en) | 2011-11-10 | 2011-11-10 | Ureteral stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103547844A CN102500034A (en) | 2011-11-10 | 2011-11-10 | Ureteral stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102500034A true CN102500034A (en) | 2012-06-20 |
Family
ID=46212206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103547844A Pending CN102500034A (en) | 2011-11-10 | 2011-11-10 | Ureteral stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102500034A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743244A (en) * | 2012-06-29 | 2012-10-24 | 中国人民解放军第三军医大学第二附属医院 | Ureter bracket pipe with iron net line device |
| CN105358209A (en) * | 2013-11-12 | 2016-02-24 | 捷锐士阿希迈公司 | Ureteral stents with waveform interlayers and interstitching |
| CN105517620A (en) * | 2013-07-17 | 2016-04-20 | 奥弗图姆有限公司 | A catheter system for delivery of a ureteral catheter |
| CN110721391A (en) * | 2019-09-30 | 2020-01-24 | 深圳泰睿仕医疗科技有限公司 | Disposable ureter catheterization support tube |
| CN115068791A (en) * | 2022-06-22 | 2022-09-20 | 深圳大学总医院 | Double J tube with pull-out structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201768250U (en) * | 2010-08-28 | 2011-03-23 | 刘震 | Double-J tube capable of being extracted without endoscope |
| CN202355678U (en) * | 2011-11-10 | 2012-08-01 | 成都禹溪医疗科技有限公司 | Ureter stent tube |
-
2011
- 2011-11-10 CN CN2011103547844A patent/CN102500034A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201768250U (en) * | 2010-08-28 | 2011-03-23 | 刘震 | Double-J tube capable of being extracted without endoscope |
| CN202355678U (en) * | 2011-11-10 | 2012-08-01 | 成都禹溪医疗科技有限公司 | Ureter stent tube |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743244A (en) * | 2012-06-29 | 2012-10-24 | 中国人民解放军第三军医大学第二附属医院 | Ureter bracket pipe with iron net line device |
| CN105517620A (en) * | 2013-07-17 | 2016-04-20 | 奥弗图姆有限公司 | A catheter system for delivery of a ureteral catheter |
| CN105358209A (en) * | 2013-11-12 | 2016-02-24 | 捷锐士阿希迈公司 | Ureteral stents with waveform interlayers and interstitching |
| CN105358209B (en) * | 2013-11-12 | 2020-06-12 | 捷锐士阿希迈公司 | Ureteral stent with wave-shaped interlayer and mutual suture |
| CN110721391A (en) * | 2019-09-30 | 2020-01-24 | 深圳泰睿仕医疗科技有限公司 | Disposable ureter catheterization support tube |
| CN115068791A (en) * | 2022-06-22 | 2022-09-20 | 深圳大学总医院 | Double J tube with pull-out structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU YINLIN MEDICAL DEVICES CO., LTD. Free format text: FORMER OWNER: CHENGDU YUXI MEDICAL TECHNOLOGY CO., LTD. Effective date: 20140725 |
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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: 20140725 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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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120620 |