CN205084168U - Urethral catheter - Google Patents
Urethral catheter Download PDFInfo
- Publication number
- CN205084168U CN205084168U CN201520867920.3U CN201520867920U CN205084168U CN 205084168 U CN205084168 U CN 205084168U CN 201520867920 U CN201520867920 U CN 201520867920U CN 205084168 U CN205084168 U CN 205084168U
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- China
- Prior art keywords
- catheter
- guide wire
- urethra
- stiff guide
- seal wire
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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.)
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Abstract
The utility model relates to an urethral catheter, include body and stiff guide wire, drainage hole and filament guiding channel have been seted up to the front end of body, and the rear end of body is opened, still includes flexible guidewire, is equipped with the cavity that supplies flexible guidewire to pass in the stiff guide wire, and flexible guidewire is suitable for and penetrates the urethra, and stiff guide wire is suitable for directly to penetrate the urethra or follow flexible guidewire and penetrates the urethra, and arranges urethra interior support piece and guiding piece as the body in. The utility model discloses a lower urinary tract obstruction section that urethral catheter can lead to through diseases such as prostatoplasia, urethral stricture, can flexible guidewire and stiff guide wire jointly use and guide more easily than the exclusive use that urethral catheter is smooth to advance the bladder.
Description
Technical field
This utility model relates to a kind of medical drainage tube, belongs to technical field of medical instruments.
Background technology
Catheter is clinical practice important medical invasive material widely, is mainly used in per urethra and inserts bladder drainage urine.Because male urethra thickness is different, degree of crook varies, although various types of catheter emerges in an endless stream on market, but be not still applicable to the catheter that different crowd urethral catheterization needs, the Posterior urethral blocked when slightly thin catheter hardness not easily passs through prostatic hyperplasia not, thus bladder can not be entered smoothly; The catheter of slightly thick bore is not then by coarctation segment during urethral stricture.Different narrow section length and different degree of congestion cause needing to use different catheters and seal wire.What is more important, disease usually causes urethral catheterization operating difficulties even to cause urethral catheterization operation failure, especially acute urinary retention state, when being badly in need of drainage of urine, owing to not having suitable urethral catheterization apparatus, can cause serious consequence.
Chinese patent literature CN201431692(application number: 200920027500.9) disclose a kind of guide wire catheter, it comprises seal wire and catheter, in catheter, be provided with seal wire.During use, first seal wire is inserted as support in catheter, after catheter inserts bladder, then seal wire is extracted out from catheter.Seal wire and catheter damage patient body to a certain extent with the use of preventing catheter, but common seal wire still cannot meet the different needs being suitable for crowd and above-mentioned disease treatment.
Summary of the invention
The technical problems to be solved in the utility model is, proposes a kind ofly to block state and urethra thickness situation according to different, is used alone or in combination two kinds of guiding thread for urethral catheters and coordinates bodys by urethral stricture place, guide it to slide into the catheter of bladder smoothly.
This utility model is the technical scheme solving the problems of the technologies described above proposition: a kind of catheter, comprise body and stiff guide wire, the front end of described body offers conduction hole and silk guide passage, the rear end open of described body, also comprise soft seal wire, be provided with the cavity passed for soft seal wire in described stiff guide wire, described soft seal wire is suitable for penetrating urethra; Described stiff guide wire is suitable for penetrating urethra along described soft seal wire, and is placed in urethra as the support member of body and guiding piece.
In order to make body more easily pass urethra, the one of technique scheme is preferably: the forward end of above-mentioned tubular body is tapered, and the outline of the cross section of forward end parabolically shape; The thickness of body forward end is greater than the thickness of body tube wall.The thickness of body forward end is greater than the thickness of tube wall, making the forward end of body when having certain degree of hardness, remaining some deformation quantities, then coordinate the special shape of forward end, is conducive to the stenosis helping body by urethra.
In order to the function making catheter have flushing concurrently, the one of technique scheme is preferably: be provided with partition body being separated into drainage lumens and flushing chamber in above-mentioned tubular body, the front end of described body also offers and the flushing hole of rinsing chamber and communicating, and described conduction hole communicates with drainage lumens.
In order to make seal wire more can be smoothly through urethra, the one of technique scheme is preferably: the leading portion of above-mentioned stiff guide wire is bending.Thus make seal wire meet the flexibility of male urethra.
In order to make body more can be smoothly through urethra, the one of technique scheme is preferably: the leading portion of above-mentioned tubular body is bending.Thus make body meet the flexibility of male urethra.
In order to reduce the damage even avoided urethra, the one of technique scheme is preferably: the front end of above-mentioned stiff guide wire is blunt nosed.
The one of technique scheme is preferably: the rear end open place of above-mentioned tubular body is horn-like.
When passing urethra to make body, resistance is less, the one of technique scheme preferably: the outer surface of above-mentioned tubular body is provided with hydrophilic coating.
Less to the damage of urethra and surrounding tissue when passing urethra to make stiff guide wire, the one of technique scheme preferably: above-mentioned stiff guide wire is coated with resin bed.
In order to improve the effect of drain, the one of technique scheme is preferably: above-mentioned conduction hole has 2 to 4, and arranges along the length direction interval of described body.
Control the degree of depth that seal wire enters during in order to operate better, the one of technique scheme is preferably: above-mentioned soft seal wire and stiff guide wire are equipped with scale mark.
In order to more convenient to operate, the one of technique scheme is preferably: above-mentioned stiff guide wire is shorter than soft seal wire.
This utility model has positive effect:
(1) catheter of the present utility model is made up of the seal wire that body is different with two soft durometer, and the inside of stiff guide wire is provided with the cavity passed for soft seal wire.Also can pass through smoothly even if soft seal wire small, flexible urethra is very narrow.Stiff guide wire more greatly can provide metastable support through urethra due to rigidity along soft seal wire, and catheter is guided to Posterior urethral smoothly, and catheter leans on the thrust conduction of self to cross last narrow section and slides into bladder subsequently.Two kinds of seal wires can be used alone also can conbined usage.
(2) catheter of the present utility model can be avoided causing patient's urethral canal inner wall to damage perforation, prevents the injury caused patient body.
(3) catheter of the present utility model can meet the needs that different crowd carries out urethral catheterization, is particularly suitable for the emergencies such as the urethral catheterization such as prostatic hyperplasia or urethral stricture hard case or acute urinary retention.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of the catheter of this utility model embodiment 1;
Fig. 2 is the structural representation of the catheter of this utility model embodiment 2;
Fig. 3 is the structural representation of the catheter of this utility model embodiment 3;
Fig. 4 is the structural representation of stiff guide wire in Fig. 1 and soft seal wire.
The labelling of above-mentioned accompanying drawing is as follows:
Soft seal wire 1, stiff guide wire 2, cavity 21, body 3, conduction hole 31, silk guide passage 32, drainage lumens 33, rinses chamber 34, cuts off 35, flushing hole 36, resin bed 4.
Detailed description of the invention
Embodiment 1
See Fig. 1 and Fig. 4, the catheter of the present embodiment, comprise body 3, stiff guide wire 2 and soft seal wire 1.The external diameter of stiff guide wire 2 is 0.8mm, and length is 350mm, and the external diameter of soft seal wire 1 is 0.3mm, and length is 500mm.Stiff guide wire 2 is coated with resin bed 4, and the thickness of resin bed 4 is 0.25mm.Be provided with the cavity 21 passed for soft seal wire 1 in stiff guide wire 2, the aperture of cavity 21 is 0.5mm.Soft seal wire 1 is suitable for penetrating urethra.Stiff guide wire 2 is suitable for directly penetrating urethra or penetrating urethra along soft seal wire 1, and is placed in urethra as the support member of body 3 and guiding piece.The leading portion of stiff guide wire 2 is bending.The front end of stiff guide wire 2 is blunt nosed.The rigidity of soft seal wire 1 is less than the rigidity of stiff guide wire 2.Soft seal wire 1 and stiff guide wire 2 are equipped with scale mark.
The silk guide passage 32 that the front end of body 3 offers conduction hole 31 and passes for stiff guide wire 2.The forward end of body 3 is tapered, and the outline of the cross section of forward end parabolically shape.The thickness of body 3 forward end is greater than the thickness of body 3 tube wall.Conduction hole 31 has 3, and arranges along the length direction interval of body 3.The rear end open of body 3.The rear end open place of body 3 is horn-like.The outer surface of body 3 is provided with hydrophilic coating.
The catheter of the present embodiment in use, for the situation of urethral stricture, first soft seal wire 1 is passed urethra, then stiff guide wire 2 is enclosed within soft seal wire 1 from rear, make stiff guide wire 2 along soft seal wire 1 through urethra, then, stiff guide wire 2 is placed in urethra, soft seal wire 1 is taken out, then body 3 is enclosed within stiff guide wire 2 from rear, make body 3 enter Posterior urethral along stiff guide wire 2, the narrow section that then promotion body 3 crosses urethra last slides in bladder.
Stiff guide wire 2 in use, if urethra is narrowless, directly can be passed urethra, be placed in urethra, then put into body 3 to bladder along stiff guide wire 2 by the catheter of the present embodiment; Or, stiff guide wire 2 is directly placed in body 3, to increase the rigidity of body 3, inside is provided with the body 3 of stiff guide wire 2 through urethra, or catheter is guided to Posterior urethral smoothly, promote catheter subsequently and cross last narrow section and slide in bladder.
Stiff guide wire 2 partly can penetrate urethra, also all can penetrate urethra.
Embodiment 2
See Fig. 2, the catheter remainder of the present embodiment is identical with embodiment 1, and difference is: the leading portion of body 3 is bending, and the crooked radian of the leading portion of the crooked radian of the leading portion of body 3 and stiff guide wire 2 matches.
Embodiment 3
See Fig. 3, the catheter remainder of the present embodiment is identical with embodiment 1, and difference is: be provided with the partition 35 body 3 being separated into drainage lumens 33 and flushing chamber 34 in body 3.The front end of body 3 also offers and the flushing hole 36 of rinsing chamber 34 and communicating.Conduction hole 31 communicates with drainage lumens 33.
Catheter of the present utility model is not limited to the various embodiments described above.All employings are equal to the technical scheme of replacing and being formed, and all drop on the protection domain of this utility model requirement.
Claims (10)
1. a catheter, comprise body (3) and stiff guide wire (2), the front end of described body (3) offers conduction hole (31) and silk guide passage (32), the rear end open of described body (3), it is characterized in that: also comprise soft seal wire (1), be provided with the cavity (21) passed for soft seal wire (1) in described stiff guide wire (2), described soft seal wire (1) is suitable for penetrating urethra; Described stiff guide wire (2) is suitable for penetrating urethra along described soft seal wire (1), and is placed in urethra as the support member of body (3) and guiding piece.
2. catheter according to claim 1, is characterized in that: the forward end of described body (3) is tapered, and the outline of the cross section of forward end parabolically shape; The thickness of body (3) forward end is greater than the thickness of body (3) tube wall.
3. catheter according to claim 2, it is characterized in that: in described body (3), be provided with the partition (35) body (3) being separated into drainage lumens (33) and flushing chamber (34), the front end of described body (3) also offers and the flushing hole (36) of rinsing chamber (34) and communicating, and described conduction hole (31) communicates with drainage lumens (33).
4. according to the catheter one of claims 1 to 3 Suo Shu, it is characterized in that: the leading portion of described stiff guide wire (2) is bending.
5. catheter according to claim 4, is characterized in that: the leading portion of described body (3) is bending.
6. according to the catheter one of claims 1 to 3 Suo Shu, it is characterized in that: the front end of described stiff guide wire (2) is blunt nosed.
7. according to the catheter one of claims 1 to 3 Suo Shu, it is characterized in that: the rear end open place of described body (3) is horn-like.
8. according to the catheter one of claims 1 to 3 Suo Shu, it is characterized in that: the outer surface of described body (3) is provided with hydrophilic coating.
9. according to the catheter one of claims 1 to 3 Suo Shu, it is characterized in that: described stiff guide wire (2) is coated with resin bed (4).
10. according to the catheter one of claims 1 to 3 Suo Shu, it is characterized in that: described conduction hole (31) has 2 to 4, and arrange along the length direction interval of described body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867920.3U CN205084168U (en) | 2015-11-03 | 2015-11-03 | Urethral catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867920.3U CN205084168U (en) | 2015-11-03 | 2015-11-03 | Urethral catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205084168U true CN205084168U (en) | 2016-03-16 |
Family
ID=55474895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520867920.3U Expired - Fee Related CN205084168U (en) | 2015-11-03 | 2015-11-03 | Urethral catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205084168U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110472A (en) * | 2016-08-12 | 2016-11-16 | 李约延 | Men's commutative catheter and catheter replacing options |
| CN109464738A (en) * | 2018-12-21 | 2019-03-15 | 尚楠 | A kind of catheter and Male urethral catheter |
| CN109847175A (en) * | 2019-01-30 | 2019-06-07 | 沈阳泰伦药业有限公司 | The double capsules of disposable five chamber visual superslide prostate dilator entirely |
| CN109847176A (en) * | 2019-01-30 | 2019-06-07 | 沈阳泰伦药业有限公司 | Disposable 4-cavity single-bag visual superslide prostate dilator entirely |
-
2015
- 2015-11-03 CN CN201520867920.3U patent/CN205084168U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110472A (en) * | 2016-08-12 | 2016-11-16 | 李约延 | Men's commutative catheter and catheter replacing options |
| CN106110472B (en) * | 2016-08-12 | 2022-09-23 | 李约延 | Exchangeable catheter for men and catheter replacement method |
| CN109464738A (en) * | 2018-12-21 | 2019-03-15 | 尚楠 | A kind of catheter and Male urethral catheter |
| CN109847175A (en) * | 2019-01-30 | 2019-06-07 | 沈阳泰伦药业有限公司 | The double capsules of disposable five chamber visual superslide prostate dilator entirely |
| CN109847176A (en) * | 2019-01-30 | 2019-06-07 | 沈阳泰伦药业有限公司 | Disposable 4-cavity single-bag visual superslide prostate dilator entirely |
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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: 20160316 Termination date: 20201103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |