CN202355678U - Ureter stent tube - Google Patents
Ureter stent tube Download PDFInfo
- Publication number
- CN202355678U CN202355678U CN2011204432383U CN201120443238U CN202355678U CN 202355678 U CN202355678 U CN 202355678U CN 2011204432383 U CN2011204432383 U CN 2011204432383U CN 201120443238 U CN201120443238 U CN 201120443238U CN 202355678 U CN202355678 U CN 202355678U
- Authority
- CN
- China
- Prior art keywords
- draught line
- rack tube
- ureter rack
- ureter
- tube according
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- 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)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a ureter stent tube which comprises a body and a pull wire, wherein the body is of a tubular structure, and two ends of the body are respectively bent toward opposite directions to form an arc shape; the pull wire is wound on the body, and positioned at one end of the body; one end of the pull wire is fixed on the body, and the other end of the pull wire is separated from the body; a degradable coating is coated at the outer layer of the wound pull wire; and the wound pull wire is coated on the body. Compared with the prior art, the ureter stent tube can automatically release the pull wire after being implanted in a human body for a while, and the ureter stent tube can be pulled out by drawing the pull wire out of the human body, so that the cystoscope can be prevented from being pulled out, and the pain to a patient by cystoscope operation and the hurt to the patient when the cystoscope is pulled out can be 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.
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 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, said body is the medical high polymer pipe.
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, said degradable coating is starch coat or polysaccharide coatings.
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; 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, said body is the medical high polymer pipe.
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, said degradable coating is starch coat or polysaccharide coatings.
8. according to each described ureter rack tube of claim 1-7, it is characterized in that said draught line is the line 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 |
|---|---|---|---|
| CN2011204432383U CN202355678U (en) | 2011-11-10 | 2011-11-10 | Ureter stent tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204432383U CN202355678U (en) | 2011-11-10 | 2011-11-10 | Ureter stent tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202355678U true CN202355678U (en) | 2012-08-01 |
Family
ID=46566903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204432383U Expired - Fee Related CN202355678U (en) | 2011-11-10 | 2011-11-10 | Ureter stent tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202355678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500034A (en) * | 2011-11-10 | 2012-06-20 | 成都禹溪医疗科技有限公司 | Ureteral stent |
| WO2021179775A1 (en) * | 2020-03-11 | 2021-09-16 | 郭振宇 | Ureteral stent tube |
-
2011
- 2011-11-10 CN CN2011204432383U patent/CN202355678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500034A (en) * | 2011-11-10 | 2012-06-20 | 成都禹溪医疗科技有限公司 | Ureteral stent |
| WO2021179775A1 (en) * | 2020-03-11 | 2021-09-16 | 郭振宇 | Ureteral stent tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5372600A (en) | Stent delivery systems | |
| US6733536B1 (en) | Male urethral stent device | |
| JP5185987B2 (en) | Prostateurethral dilatation stent | |
| EP1420720B1 (en) | Stent and applicator | |
| CN102363060B (en) | Ureteral stent | |
| CN202537720U (en) | Ureteral stent device | |
| US20130066413A1 (en) | Surgical apparatus for aneurysms | |
| CN102869296A (en) | Endoscope sheath | |
| CN102500034A (en) | Ureteral stent | |
| US20140343684A1 (en) | Catheter or stent delivery system | |
| JP2015521066A5 (en) | ||
| KR20200136965A (en) | Flow control valve | |
| WO2014164308A1 (en) | Pancreatic stent drainage system | |
| CN102579171A (en) | Ureteral stent device | |
| CN204971724U (en) | Ureteral stent | |
| CN202355678U (en) | Ureter stent tube | |
| CN202446629U (en) | Ureteral stent tube | |
| CN102580223B (en) | Ureteral stent tube and ureteral stent device applying same | |
| CN212166306U (en) | Ureteral stent tube capable of being pulled out automatically | |
| EP2023995B1 (en) | Prostatic stent | |
| CN202537721U (en) | Medical traction wire and ureteral stent using same | |
| CN212592591U (en) | Ureteral stent | |
| CN211024674U (en) | Ureteral stent device | |
| CN216439802U (en) | Anti-drop bacterinertness ureter support | |
| CN202682105U (en) | Support pipe for ureter |
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: 20120801 Termination date: 20141110 |
|
| EXPY | Termination of patent right or utility model |