CN202537722U - Urinary catheter and catheter bracket device containing same - Google Patents
Urinary catheter and catheter bracket device containing same Download PDFInfo
- Publication number
- CN202537722U CN202537722U CN 201220079052 CN201220079052U CN202537722U CN 202537722 U CN202537722 U CN 202537722U CN 201220079052 CN201220079052 CN 201220079052 CN 201220079052 U CN201220079052 U CN 201220079052U CN 202537722 U CN202537722 U CN 202537722U
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- Prior art keywords
- inner core
- catheter
- epitheca
- draught line
- head
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Abstract
The utility model discloses a urinary catheter and a catheter bracket device containing the same, which are used for a drawing line for leading out a catheter bracket pipe in the body of a patient. The urinary catheter comprises an outer sheath and an inner core and the inner core can be slidingly sleeved in the outer sheath; and a drawing line fixing cavity is enclosed by the inner surface of the head of the outer sheath and the outer surface of the head of the inner core, wherein a magnetic part is arranged at the part of the inner core, which is close to the head of the inner core. When the urinary catheter disclosed by the utility model is used for leading out a drawing line, the regular operation of placing the urinary catheter is used for conveying the urinary catheter into the current anterior urethra; the inner core is backward pulled behind an adsorption column drawing line of the magnetic part, so that the drawing line is embedded into the drawing line fixing cavity and then the urinary catheter is wholly pulled outwards; and therefore, the drawing line can be smoothly led out of a urethral orifice. According to the urinary catheter disclosed by the utility model, the position of the drawing line is determined by utilizing the magnetic part and the inner core and the outer sheath are matched to clamp the drawing line and lead out the drawing line, so that the aim of leading out the drawing line from the body of the patient through simple operation is realized.
Description
Technical field
This utility model relates to medical instruments field, more particularly, relates to a kind of catheter, also relates to a kind of ureteric branches rack device of having used this catheter.
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.As shown in Figure 1, this ureter rack tube comprises support tube body 11 and draught line 12, and wherein, cradling piece body 11 is similar with existing ureteric branches hack lever; Draught line 12 is fixedly connected on the afterbody of support tube body 11; Draught line 11 comprises stretch section 121 and magnetic adsorption section 122; One end of stretch section 121 links to each other with support tube body 11, and the other end links to each other with magnetic adsorption section 122, and magnetic adsorption section 122 is for having the silk thread that is interrupted iron core.When above-mentioned stretch section is in free deployed condition, the length of draught line less than in the ureter rack tube implant patient body time its afterbody to the distance of patient's urethral orifice; Simultaneously, when stretch section is stretched to greatest length, the length of draught line greater than in the ureter rack tube implant patient body time its afterbody to the distance of patient's urethral orifice.
This ureter rack tube is by after in the implant patient body; Draught line can launch in the patient body under the mobile power of urine gradually; Because the length of draught line when stretch section freely launches is less than the distance of support tube body afterbody to patient's urethral orifice; Therefore draught line can not expose patient's urethral orifice, has effectively avoided exposing the problem that causes patient infection after contaminated because of draught line.When needs take out ureter rack tube, utilize magnet direction outside the patient body to attract the magnetic adsorption section, under the effect of magnetic force, the stretch section elongation, draught line exposes patient's urethral orifice, and can take out ureter rack tube this moment through pulling draught line.
The above-mentioned ureter rack tube that has a draught line comprises through setting having solved the draught line of stretch section and magnetic adsorption section draught line and to have exposed the problems that cause when realizing existing ureter rack tube function.But because draught line is just unfolded after in ureter rack tube implant patient body, like this, when operator took out ureter rack tube at needs through draught line, owing to do not know the particular location of draught line, operation had inconvenience more.
According to the above, how a kind of catheter is provided and comprises the ureteric branches rack device of this catheter, to realize becoming the technical problem that those skilled in the art need solution badly through the purpose of shirtsleeve operation derivation draught line in the patient body.
The utility model content
In view of this, this utility model provides a kind of catheter and comprises the ureteric branches rack device of this catheter, to realize the purpose through shirtsleeve operation derivation draught line in the patient body.
For realizing above-mentioned purpose, this utility model provides following technical scheme:
A kind of catheter comprises epitheca and inner core, and inner core is set in the epitheca slidably, and the head inner surface of epitheca and the outer surface of inner core surround the draught line lock chamber;
Inner core is provided with magnetic portion near self head place.
Preferably, in above-mentioned catheter, magnetic portion is the magnetic rubber piece.
Preferably, in above-mentioned catheter, the head inner surface of epitheca is coniform inclined-plane, and coniform inclined-plane and interior core outer surface surround the draught line lock chamber.
Preferably, in above-mentioned catheter, the head end of epitheca is provided with the hard ring.
Preferably, in above-mentioned catheter, interior core head is provided with groove, and groove and epitheca inner surface surround the draught line lock chamber.
Preferably, in above-mentioned catheter, epitheca and inner core are respectively softish silica gel epitheca and silica gel inner core.
Preferably, in above-mentioned catheter, the head of inner core is provided with target seeker, and target seeker is softish oval ball, and the cross section maximum radius of oval ball is greater than the maximum radius of other position cross section of catheter.
Preferably, in above-mentioned catheter, be respectively arranged with the scale portion and the tag line of reference mutually on epitheca and the inner core.
Preferably, in above-mentioned catheter, the afterbody of epitheca is provided with tag line, and the afterbody of inner core is provided with scale portion.
This utility model provides a kind of catheter, is used to derive the draught line of ureter rack tube in the patient body.This catheter comprises epitheca and inner core, and inner core is set in the said epitheca slidably, and the head inner surface of epitheca and the head outer surface of inner core surround the draught line lock chamber, and wherein, said inner core is provided with magnetic portion near self head place.When using the catheter derivation draught line that this utility model provided; Adopt conventional indwelling catheter operation that catheter is sent into anterior urethra; Behind magnetic portion adsorption column draught line,, make draught line be embedded into the draught line lock chamber through the pulled backwards inner core; Whole then outwards pulling catheter can make draught line draw urethral orifice smoothly.
The catheter that this utility model provides is confirmed the position of draught line through using magnetic portion, through inner core and cooperating of epitheca blocking draught line and it being drawn, has realized the purpose through shirtsleeve operation derivation draught line in the patient body.
The invention also discloses a kind of ureteric branches rack device, this ureteric branches rack device comprises the ureter rack tube that is provided with the magnetic adsorption section and above-mentioned catheter.
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 catheter that Fig. 2 provides for this utility model embodiment;
The structural representation of the catheter head that Fig. 3 provides for this utility model embodiment;
The structural representation of the catheter that is provided with the hard ring that Fig. 4 provides for this utility model embodiment;
The structural representation of the catheter that Fig. 5 is provided for another embodiment of this utility model;
Sketch map when the catheter that Fig. 6 is provided for this utility model embodiment does not embed draught line;
Fig. 6-1 is the local enlarged diagram of this utility model embodiment;
Fig. 6-2 is the local enlarged diagram of this utility model embodiment;
Sketch map when the catheter that Fig. 7 is provided for this utility model embodiment embeds draught line;
Fig. 7-1 is the local enlarged diagram of this utility model embodiment;
Fig. 7-2 is the local enlarged diagram of this utility model embodiment.
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 provides a kind of catheter and comprises the ureteric branches rack device of this catheter, to realize the purpose through shirtsleeve operation derivation draught line in the patient body.
Please refer to Fig. 2, Fig. 3, a kind of catheter comprises epitheca 21 and inner core 22, and inner core 22 is set in the epitheca 21 slidably, and the head inner surface of epitheca 21 and the head outer surface of inner core surround draught line lock chamber 3.
Preferably, the head inner surface of epitheca 21 is coniform inclined-plane 211, and coniform inclined-plane 211 has surrounded draught line lock chamber 3 with the outer surface of inner core 22.
Preferably, the magnetic portion 222 that is provided with on the inner core 22 is the magnetic rubber piece identical with the inner core profile.
Epitheca 21 is processed by softish silica gel equally.
The inner surface of epitheca 21 and inner core 22 heads lean on the outer surface of position, back to surround draught line lock chamber 3.
When the catheter that application this utility model embodiment is provided; At first adopt the operation of conventional indwelling catheter that catheter is sent into patient's anterior urethra, utilize magnetic portion on the inner core, after estimating that the two comes in contact near the magnetic attraction portion of draught line; The pulled backwards inner core; Make draught line embed the draught line lock chamber between catheter epitheca and the inner core, last whole outwards pulling catheter, thus derive the intravital draught line of patient.Can take out the intravital ureter rack tube of patient this moment through pulling draught line.
The catheter that this utility model provides is confirmed the position of draught line through using magnetic portion, through inner core and cooperating of epitheca blocking draught line and it being drawn, has realized the purpose through shirtsleeve operation derivation draught line in the patient body.
In the above-described embodiments, soft because epitheca is the silica gel material, therefore embed the draught line lock chamber at draught line, outwards spur in the process of catheter, deformation possibly take place in epitheca, and causes draught line to deviate from the draught line lock chamber, causes operation failure.
Please refer to Fig. 4, in order to address this problem, another embodiment of this utility model has set up hard ring 212 at the epitheca head, to prevent epitheca deformation takes place when receiving external force.
On the basis of the foregoing description, the draught line lock chamber among this utility model embodiment can also be surrounded by the groove and the epitheca inner surface of interior core head.
Please refer to Fig. 5, interior core head leans on the position, back to be provided with groove 223, and the diameter of groove 223 place's inner core cross sections is less than the diameter of other cross section of inner core.
Groove 223 cooperates with the epitheca inner surface, surrounds the draught line lock chamber.
In the above-described embodiments, operator can't observe directly catheter in the intravital concrete condition of patient, need judge by virtue of experience whether the magnetic portion of catheter contacts with the magnetic adsorption section of draught line.This has increased the use difficulty of catheter.Therefore, another embodiment of this utility model is through being provided with sign to address this problem.
Please refer to Fig. 6, Fig. 6-1, Fig. 6-2, Fig. 7, Fig. 7-1 and Fig. 7-2, the afterbody of inner core 22 is provided with tag line 224, and when epitheca 21 heads can contact with the target seeker 221 on the inner core 22, tag line 224 flushed with the epitheca end.
After draught line embedded draught line holddown groove 3, in the process that inner core 22 is pulled back, draught line 4 was stuck between inner core 22 and the epitheca 21, makes epitheca 21 heads can't touch the target seeker 221 on the inner core 21.At this moment, tag line 224 is blocked by epitheca 21.Opposite, if draught line 4 fails to embed draught line holddown groove 3, when epitheca 21 can contact with target seeker 221, tag line 224 can not blocked by epitheca 21.
Through tag line is set, operator can successfully embed draught line in the draught line holddown groove judging whether through observing tag line, have reduced the operation easier of catheter.
On the basis of the foregoing description, the scale portion that tag line can also be separately positioned on epitheca afterbody and inner core afterbody substitutes, and its mode of operation is same as the previously described embodiments.
The invention also discloses a kind of ureteric branches rack device, this ureteric branches rack device comprises the ureter rack tube that is provided with the magnetic adsorption section and above-mentioned catheter.
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 (10)
1. a catheter is characterized in that, comprises epitheca and inner core, and said inner core is set in the said epitheca slidably, and the head inner surface of said epitheca and the outer surface of said inner core surround the draught line lock chamber;
Said inner core is provided with magnetic portion near self head place.
2. catheter according to claim 1 is characterized in that, said magnetic portion is the magnetic rubber piece.
3. catheter according to claim 1 is characterized in that, the head inner surface of said epitheca is coniform inclined-plane, and said coniform inclined-plane and said interior core outer surface surround said draught line lock chamber.
4. catheter according to claim 3 is characterized in that the head end of said epitheca is provided with the hard ring.
5. catheter according to claim 1 is characterized in that, said interior core head is provided with groove, and said groove and said epitheca inner surface surround said draught line lock chamber.
6. catheter according to claim 1 is characterized in that, said epitheca and said inner core are respectively softish silica gel epitheca and silica gel inner core.
7. catheter according to claim 6; It is characterized in that; The head of said inner core is provided with target seeker, and said target seeker is softish oval ball, and the cross section maximum radius of said oval ball is greater than the maximum radius of other position cross section of said catheter.
8. catheter according to claim 1 is characterized in that, is respectively arranged with the scale portion and the tag line of reference mutually on said epitheca and the said inner core.
9. will remove 8 described catheters according to right, it is characterized in that, the afterbody of said epitheca is provided with tag line, and the afterbody of said inner core is provided with scale portion.
10. a ureteric branches rack device is characterized in that, said ureteric branches rack device comprises ureter rack tube and each the described catheter of claim 1-9 that is provided with the magnetic adsorption section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220079052 CN202537722U (en) | 2012-03-05 | 2012-03-05 | Urinary catheter and catheter bracket device containing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220079052 CN202537722U (en) | 2012-03-05 | 2012-03-05 | Urinary catheter and catheter bracket device containing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202537722U true CN202537722U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220079052 Expired - Fee Related CN202537722U (en) | 2012-03-05 | 2012-03-05 | Urinary catheter and catheter bracket device containing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202537722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580224A (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 | Urethral catheter and ureteral stent device comprising same |
| CN104434354A (en) * | 2015-01-08 | 2015-03-25 | 蒋军红 | Stent placement device |
-
2012
- 2012-03-05 CN CN 201220079052 patent/CN202537722U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580224A (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 | Urethral catheter and ureteral stent device comprising same |
| CN102580224B (en) * | 2012-03-05 | 2014-07-02 | 中国人民解放军第三军医大学第二附属医院 | Urethral catheter and ureteral stent device comprising same |
| CN104434354A (en) * | 2015-01-08 | 2015-03-25 | 蒋军红 | Stent placement device |
| CN104434354B (en) * | 2015-01-08 | 2017-02-08 | 蒋军红 | Stent placement device |
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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 |
Granted publication date: 20121121 Termination date: 20170305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |