CN202446629U - Ureteral stent tube - Google Patents
Ureteral stent tube Download PDFInfo
- Publication number
- CN202446629U CN202446629U CN2011204436488U CN201120443648U CN202446629U CN 202446629 U CN202446629 U CN 202446629U CN 2011204436488 U CN2011204436488 U CN 2011204436488U CN 201120443648 U CN201120443648 U CN 201120443648U CN 202446629 U CN202446629 U CN 202446629U
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- China
- Prior art keywords
- degradable
- draught line
- tube
- pipe
- rack tube
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- 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.)
- Expired - Fee Related
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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
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- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Ophthalmology & Optometry (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Prostheses (AREA)
Abstract
The utility model relates to a ureteral stent tube, which comprises a body, a degradable tube and a traction thread, wherein the body has a tubular structure; one end of the body is bent to form a circular arc shape, 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 to form a circular arc shape, and the bending directions of the other end of the body and the degradable tube are opposite to that of one end of the body; the traction thread winds in the tube wall of the degradable tube fixedly; and one end of the traction thread is fixed with the end of the body. Compared with the prior art, the ureteral stent tube can release the traction thread automatically after being put into a body for a period of time, and can be removed by drawing the traction thread in the bodies, so that the ureteral stent tube is not needed to be removed by a cystoscope, and the pain of the cystoscope to patients during operation and the injury of the removal of the ureteral stent tube to the patients are relived.
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.
The utility model content
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, said body is the medical high polymer pipe.
Preferably, said degradable pipe is starch pipe or polysaccharide pipe.
Preferably, said draught line twines one deck at least in the inwall of said degradable pipe.
Preferably, said draught line is the line 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, said body is the medical high polymer pipe.
3. ureter rack tube according to claim 1 is characterized in that, said degradable pipe is starch pipe or polysaccharide pipe.
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 1-4, it is characterized in that said draught line is the line 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 |
|---|---|---|---|
| CN2011204436488U CN202446629U (en) | 2011-11-10 | 2011-11-10 | Ureteral stent tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204436488U CN202446629U (en) | 2011-11-10 | 2011-11-10 | Ureteral stent tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202446629U true CN202446629U (en) | 2012-09-26 |
Family
ID=46862527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204436488U Expired - Fee Related CN202446629U (en) | 2011-11-10 | 2011-11-10 | Ureteral stent tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202446629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143103A (en) * | 2013-02-07 | 2013-06-12 | 许传亮 | Novel ureteral stent |
| CN106730240A (en) * | 2016-11-16 | 2017-05-31 | 王占华 | Bionic urethral catheterization pipe and its application method |
-
2011
- 2011-11-10 CN CN2011204436488U patent/CN202446629U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143103A (en) * | 2013-02-07 | 2013-06-12 | 许传亮 | Novel ureteral stent |
| CN106730240A (en) * | 2016-11-16 | 2017-05-31 | 王占华 | Bionic urethral catheterization pipe and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 611838 CHENGDU, SICHUAN PROVINCE TO: 225511 TAIZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140725 Address after: 225511, Jiangsu, Taizhou province Jiangyan Qiaotou town industrial concentration area Patentee after: Taizhou Yinlin Medical Devices Co., Ltd. Address before: 611838 Shiyang Industrial Park, hi tech Zone, Chengdu, Sichuan Patentee before: Chengdu Yuxi Medical Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20141110 |
|
| EXPY | Termination of patent right or utility model |