CN202537719U - Ureteral stent and ureteral stent device using same - Google Patents
Ureteral stent and ureteral stent device using same Download PDFInfo
- Publication number
- CN202537719U CN202537719U CN2012200787475U CN201220078747U CN202537719U CN 202537719 U CN202537719 U CN 202537719U CN 2012200787475 U CN2012200787475 U CN 2012200787475U CN 201220078747 U CN201220078747 U CN 201220078747U CN 202537719 U CN202537719 U CN 202537719U
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- Prior art keywords
- draught line
- support tube
- tube body
- section
- ureter rack
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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)
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- Heart & Thoracic Surgery (AREA)
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Abstract
The utility model discloses a ureteral stent and a ureteral stent device using the ureteral stent. The ureteral stent comprises a stent main body, and a pull line which consists of an elastic section and a magnetic absorbing section, wherein one end of the elastic section is fixedly connected with the tail of the stent main body while the other end thereof is fixedly connected with the magnetic absorbing section; the elastic section is an elastic silk yarn, and the magnetic absorbing section is a yarn with a discontinuous iron core; when the elastic section is freely expanded, the length of the pull line is shorter than the distance from the urethral orifice of a patient to the tail of the stent main body of the ureteral stent implanted into the human body of a patient. In case the ureteral stent is to be taken out, the magnetic absorbing section can be outwards attracted via a magnet, so that the elastic section is extended, the pull line is exposed outside the human body, and then the ureteral stent can be taken out by pulling the pull line. Compared with the prior art, the ureteral stent disclosed via the utility model solves the problem that the pull wire may lead to infection of a patient after being polluted due to exposed outside, as well as the problem that the patient not feels good because of the pull line exposed outside.
Description
Technical field
This utility model relates to medical instruments field, more particularly, relates to a kind of ureter rack tube, also relates to a kind of ureteric branches rack device of having used above-mentioned support tube.
Background technology
A kind of medical apparatus and instruments of ureter rack tube, profile are an elongated flexible pipe.When ureter blocks because of calculus, cicatricial stricture, tumor etc. cause, can in order to the support ureter, thereby make urine drain into bladder through with in the ureter rack tube implant patient body from kidney.Simultaneously, operation on ureter (comprising ureter microscopy, rubble and ureter open surgery) and renal pelvis operation (for example: renal pelvis cuts gets stone, renal pelvis shaping, PCN rubble etc.) routine also need be placed ureter rack tube.Also have no at present a kind of ureter rack tube can permanent indwelling in vivo, in use for some time, need operate through invasive and pull out ureter rack tube, be generally the cystoscope operation.Though cystoscope operation is not really major operation, can bring bigger misery to patient, and is especially obvious for patient male, need carry out local anesthesia or general anesthesia to palliate the agonizing sufferings to patient in the operation process.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.
In order to solve the above problems, those skilled in the art have worked out a kind of ureter rack tube that has draught line.Please refer to Fig. 1; This ureter rack tube comprises support tube body 1 and draught line 2, and wherein, support tube body construction 1 is identical with existing ureter rack tube; One end and the support tube body 1 of draught line 2 are fixedly linked; The other end is that free end and support tube body are separated, and the free end of draught line 2 is wrapped in the end of support tube body 1, and the outside scribbles degradable coating 3.
This ureter rack tube that has a draught line is identical with common ureter rack tube in the implant patient body time, but an end that is connected with draught line is outside the patient body.This ureter rack tube is in the implant patient body after a period of time; The degradable coating is decomposed gradually; Draught line can trail with flowing of urine after losing the parcel of degradable coating gradually, and its free end finally excretes with urine, takes out ureter rack tube this moment if desired; Can be from urethral orifice tractive draught line, and then the ureter rack tube that implants taken out.
But during the ureter rack tube stated in the use, draught line decomposes the back in the degradable coating and excretes with urine.If also do not reach the condition of taking out ureter rack tube this moment, no matter, still, all should not in the patient body, implant new ureter rack tube once more from the angle of Financial cost from bring the angle of new misery to patient.And the free end of having discharged the draught line outside the patient body is suspended from urethral orifice, and at first, from the angle of health, the end of a thread that exposes becomes easily infected by dirt, if dirt causes infection easily in draught line gets into the patient body; Secondly, the end of a thread that draught line exposes causes patient's discomfort easily.
By the above; How a kind of ureter rack tube is provided and has used the ureteric branches rack device of this support tube; Under the prerequisite that realizes existing ureter rack tube function; The draught line that solves existing ureter rack tube becomes easily infected by dirt and causes the problem that infects and cause patient's discomfort easily, becomes the technical problem that those skilled in the art need solution badly.
The utility model content
In view of this; This utility model provides a kind of ureter rack tube and has used the ureteric branches rack device of this support tube; Under the prerequisite that realizes existing ureter rack tube function, the draught line that solves existing ureter rack tube becomes easily infected by dirt and causes infection and cause the problem that patient is uncomfortable easily.
For realizing above-mentioned purpose, this utility model provides following technical scheme:
A kind of ureter rack tube; Comprise support tube body and draught line; The afterbody of draught line and support tube body is fixedly linked, and draught line makes the stretch section of draught line length less than after-poppet tube body afterbody to the length of patient's urethral orifice in the implant patient body when comprising the magnetic adsorption section and being in free deployed condition, wherein; The afterbody of stretch section one end and support tube body is fixedly linked, and the other end and magnetic adsorption section are fixedly linked;
Stretch section is resilient silk thread or spiral helicine elastic thread, and the magnetic adsorption section is to have the silk thread that is interrupted iron core.
Preferably, in above-mentioned ureter rack tube, the magnetic adsorption section comprises that also hoop is at the outside ferrous material ring of silk thread.
Preferably, in above-mentioned ureter rack tube, the spiral type elastic thread that the helical form elastic thread is processed for the high-molecular biologic compatibility material.
Preferably, in above-mentioned ureter rack tube, draught line is folded to support tube body head certain-length by support tube body afterbody, forms the draught line section of creeping; Again along the outer wall of support tube body by support tube body head to support tube body afterbody coiled coil, form draught line coiling section; Draught line coiling section is wrapped up the draught line section of creeping.
Preferably, in above-mentioned ureter rack tube, the length of the draught line section of creeping is:
Wherein, x is the draught line segment length of creeping;
L is the draught line total length;
R is the draught line radius;
D is the ureter rack tube cross-sectional diameter.
Preferably, in above-mentioned ureter rack tube, the support tube body is provided with the draught line groove of creeping, and the draught line groove of creeping arises from support tube body afterbody and points to support tube body head;
The draught line section of creeping is arranged on draught line and creeps in the groove.
Preferably, in above-mentioned ureter rack tube, the support tube body is provided with draught line coiling groove, and two times of sums of draught line coiling groove diameter and draught line diameter are not more than the diameter of support tube body;
Draught line coiling section is arranged in the draught line coiling groove along support tube body outer wall.
Preferably, in above-mentioned ureter rack tube, draught line is fixed in the support tube body exterior through the degradable polysaccharide material.
This utility model provides a kind of ureter rack tube; This ureter rack tube comprises support tube body and draught line; The afterbody of draught line and support tube body is fixedly linked, and wherein, draught line comprises stretch section and magnetic adsorption section; One end of stretch section and the afterbody of support tube body are fixedly linked, and the other end and magnetic adsorption section are fixedly linked; Stretch section is resilient silk thread, and the magnetic adsorption section is to have the silk thread that is interrupted iron core; Under the free deployed condition of stretch section, the length of draught line is less than the length of after-poppet tube body afterbody to patient's urethral orifice in the ureter rack tube implant patient body.When using this utility model that ureter rack tube is provided, behind support tube body implant patient ureter, the head of support tube body is towards the kidney direction, and the afterbody of support tube body is towards the bladder direction; Under the mobile power of urine; Being positioned at support tube body afterbody draught line launches gradually; Because under the free deployed condition of stretch section, the length of draught line is less than the length of after-poppet tube body afterbody to patient's urethral orifice in the ureter rack tube implant patient body, draught line can not expose outside the patient body; When needs take out ureter rack tube; Utilize magnet to attract the magnetic adsorption section of draught line, the mobile tensile elasticity section of magnetic adsorption section makes the stretch section elongation; Draught line is exposed outside the patient body, and can take out ureter rack tube this moment through pulling draught line.
Compare with ureter rack tube of the prior art; The ureter rack tube that this utility model provided in use is positioned at the patient body all the time; Draught line can not expose patient's urethral orifice; Solved because of draught line exposes the problem that possibly cause patient infection after contaminated, also solved draught line simultaneously and exposed the problem that causes patient to do not feel like oneself.
The invention also discloses a kind of ureteric branches rack device, used above-mentioned ureter rack tube in this ureteric branches rack device.
Description of drawings
In order to be illustrated more clearly in this utility model 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 of this utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of ureter rack tube in the prior art;
The structural representation of the ureter rack tube that Fig. 2 provides for this utility model embodiment;
Fig. 3 provides the sketch map of middle draught line coiling mode for this utility model embodiment;
Fig. 4 is the structural representation of draught line Crawling groove among this utility model embodiment;
Fig. 5 is the structural representation of draught line coiling groove among this utility model embodiment;
Fig. 6 has adopted the structural representation of degradation material embodiment for this utility model.
The specific embodiment
To combine the accompanying drawing among this utility model embodiment below, the technical scheme among this utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is this utility model part embodiment, rather than whole embodiment.Based on the embodiment in this utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of this utility model protection.
This utility model embodiment discloses a kind of ureter rack tube, and under the prerequisite that realizes existing ureter rack tube function, the draught line that solves existing ureter rack tube becomes easily infected by dirt and causes infection and cause the problem that patient is uncomfortable easily.
Please refer to Fig. 2; A kind of ureter rack tube comprises support tube basis 21 and draught line 22, and draught line 22 is fixedly linked with the afterbody of support tube body 21; Wherein, Draught line 22 comprises stretch section 221 and magnetic adsorption section 222, and an end of stretch section 221 and the afterbody of support tube body 21 are fixedly linked, and the other end and magnetic adsorption section 222 are fixedly linked; Stretch section 221 is resilient silk thread, and magnetic adsorption section 222 is for having the silk thread that is interrupted iron core; Under stretch section 221 free deployed conditions, the length of draught line 22 is less than the length of ureter rack tube after-poppet tube body afterbody to patient's urethral orifice in the implant patient body.
When using this utility model that ureter rack tube is provided, behind support tube body implant patient ureter, the head of support tube body is towards the kidney direction, and the afterbody of support tube body is towards the bladder direction; Under the mobile power of urine; Being positioned at support tube body afterbody draught line launches gradually; Because under the free deployed condition of stretch section, the length of draught line is less than the length of after-poppet tube body afterbody to patient's urethral orifice in the ureter rack tube implant patient body, draught line can not expose outside the patient body; When needs take out ureter rack tube; Utilize magnet to attract the magnetic adsorption section of draught line, the mobile tensile elasticity section of magnetic adsorption section makes the stretch section elongation; Draught line is exposed outside the patient body, and can take out ureter rack tube this moment through pulling draught line.
Known that by above this utility model is under the prerequisite that realizes existing ureter rack tube function, the draught line that has solved existing ureter rack tube becomes easily infected by dirt and causes the problem that infects and cause patient's discomfort easily.
Preferably; On the basis of the foregoing description; This utility model embodiment adopts the stretch section of spiral helicine elastic thread as draught line; The radius of spin of elastic thread is slightly larger than support tube body radius, and elastic thread can rely on the spiral suit and the support tube body outside of self, helps the making of ureter rack tube.Simultaneously, through untiing spiral increasing length, the cross-sectional diameter of elastic thread changes lessly the helical form elastic thread in this process when being stretched, and tensile strength is higher.
Preferably, in the above-described embodiments, the spiral type elastic thread of spiral helicine elastic thread for processing by the high-molecular biologic compatibility material.The high-molecular biologic compatibility material can guarantee that draught line launches in the patient body after, patient can not produce untoward reaction.
Preferably, on the basis of the foregoing description, the outer hoop of this utility model embodiment draught line magnetic adsorption section is provided with the ferrous material ring.Hoop be located at the outside ferrous material ring of magnetic adsorption section be arranged on the magnetic adsorption section inner be interrupted iron core combined effect when attracted by magnet, can strengthen the magnetic force between magnetic adsorption section and the magnet, be convenient to operator and utilize magnet to draw draught line.
Preferably, in the above-described embodiments, the stretch section of draught line is identical with the diameter of magnetic adsorption section, and this has just been avoided employing docking calculation system line, can avoid draught line to fracture.
For the ease of the installation of ureter rack tube, in this utility model embodiment, the draught line rule is wrapped on the outer wall of support tube body.
Preferably, please refer to Fig. 3 draught line 32 and be fixed in the afterbody of support tube body 31 through an end, the other end of draught line is a free end; Draught line 32 at first is folded to its head certain-length along support tube body 31, has formed the section of creeping 321 of draught line; Draught line carries out the helical form coiling at the outer wall along support tube body 31 after the formation section of creeping 321, the direction of coiling forms the coiling section 322 of draught line by its afterbody of head points of support tube body; In the coiling process of draught line 32, the coiling section 322 of formation is wrapped on the section of creeping 321 on support tube body 31 outer walls.
Preferably, in the above-described embodiments, the length of the definition draught line section of creeping is x, then:
Wherein, x is the draught line segment length of creeping;
L is the draught line total length;
R is the draught line radius;
D is the ureter rack tube cross-sectional diameter.
On the basis of the foregoing description, also offer the draught line groove of creeping on the support tube body of this utility model ureter rack tube that embodiment provides.
Please refer to Fig. 4, the draught line groove 311 of creeping arises from support tube body 31 afterbodys and draught line connection, and points to the head of support tube body.The section of creeping 321 of draught line 32 is arranged on draught line and creeps in the groove 311 in the foregoing description.
From the draught line groove of creeping, can make the profile of draught line coiling section keep rule circular through society, the coiling section is difficult for knotting when untiing self spiral.
On the basis of the foregoing description, also be provided with draught line coiling groove on the support tube body of the ureter rack tube that this utility model embodiment is provided.
Please refer to Fig. 5, the diameter of draught line coiling groove 312 and the diameter that two times of sums of draught line 32 diameters are not more than support tube body 31.Draught line coiling section 322 is arranged in the draught line coiling groove 312 along support tube body 31 outer walls.
Through draught line coiling groove is set on the support tube body, can make the outward appearance of ureter rack tube keep smooth, help operator with in the ureter rack tube implant patient body.
Preferably, in the above-described embodiments, draught line is fixed on the outside of support tube body through the degradable polysaccharide material.
Please refer to Fig. 6, the end of support tube body 31 is wrapped up in and be fixed on to degradable polysaccharide material 4 with draught line bag 32, the thinner thickness of degradable polysaccharide material, and have slick surface.
The degradable polysaccharide material plays the fixed traction line in ureter rack tube implant patient physiological disposition, prevent that draught line from being broken up when implanting, and forms the effect of knot; The smooth surface of degradable polysaccharide material can guarantee that support tube does not produce damage to tissue in the process of implanting; After implanting completion, the degradable polysaccharide material decomposes under the effect of urine gradually, and draught line launches with flowing of urine in the patient body gradually.Because the thinner thickness of degradation material can melt in the short period in the implant patient body fully, can not make the overlong time of ureter rack tube at patient's intracorporeal indwelling because of melting overlong time.
The invention also discloses a kind of ureteric branches rack device, used above-mentioned ureter rack tube in this ureteric branches rack device.
Each embodiment adopts the mode of going forward one by one to describe in this description, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use this utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from this utility model or scope in other embodiments among this paper.Therefore, this utility model 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 (9)
1. ureter rack tube; Comprise support tube body and draught line, the afterbody of said draught line and said support tube body is fixedly linked, and it is characterized in that; Said draught line makes the stretch section of draught line length less than back said support tube body afterbody to the length of patient's urethral orifice in the implant patient body when comprising the magnetic adsorption section and being in free deployed condition; Wherein, the afterbody of said stretch section one end and said support tube body is fixedly linked, and the other end and said magnetic adsorption section are fixedly linked;
Said stretch section is resilient silk thread or spiral helicine elastic thread, and said magnetic adsorption section is to have the silk thread that is interrupted iron core.
2. ureter rack tube according to claim 1 is characterized in that, said magnetic adsorption section comprises that also hoop is at the outside ferrous material ring of silk thread.
3. ureter rack tube according to claim 1 is characterized in that, the spiral type elastic thread that said helical form elastic thread is processed for the high-molecular biologic compatibility material.
4. ureter rack tube according to claim 1 is characterized in that, said draught line is folded to said support tube body head certain-length by said support tube body afterbody, forms the draught line section of creeping; The outer wall of the said support tube body in edge to said support tube body afterbody coiled coil, forms draught line coiling section by said support tube body head again; Said draught line coiling section is with the said draught line section of creeping parcel.
5. ureter rack tube according to claim 4 is characterized in that, the length of the said draught line section of creeping is:
Wherein, x is the draught line segment length of creeping;
L is the draught line total length;
R is the draught line radius;
D is the ureter rack tube cross-sectional diameter.
6. ureter rack tube according to claim 4 is characterized in that, said support tube body is provided with the draught line groove of creeping, and the said draught line groove of creeping arises from said support tube body afterbody and points to said support tube body head;
The said draught line section of creeping is arranged on said draught line and creeps in the groove.
7. ureter rack tube according to claim 4 is characterized in that, said support tube body is provided with draught line coiling groove, and two times of sums of said draught line coiling groove diameter and said draught line diameter are not more than the diameter of said support tube body;
Said draught line coiling section is arranged in the said draught line coiling groove along said support tube body outer wall.
8. according to each described ureter rack tube of claim 1-7, it is characterized in that said draught line is fixed in said support tube body exterior through the degradable polysaccharide material.
9. a ureteric branches rack device is characterized in that, said ureteric branches rack device comprises each described ureter rack tube of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200787475U CN202537719U (en) | 2012-03-05 | 2012-03-05 | Ureteral stent and ureteral stent device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200787475U CN202537719U (en) | 2012-03-05 | 2012-03-05 | Ureteral stent and ureteral stent device using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202537719U true CN202537719U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200787475U Expired - Fee Related CN202537719U (en) | 2012-03-05 | 2012-03-05 | Ureteral stent and ureteral stent device using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202537719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2012
- 2012-03-05 CN CN2012200787475U patent/CN202537719U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20170305 |