CN112843442B - Urethral dilator with core - Google Patents
Urethral dilator with core Download PDFInfo
- Publication number
- CN112843442B CN112843442B CN202110214142.8A CN202110214142A CN112843442B CN 112843442 B CN112843442 B CN 112843442B CN 202110214142 A CN202110214142 A CN 202110214142A CN 112843442 B CN112843442 B CN 112843442B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- catheter
- gear
- blocks
- urethral
- 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.)
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Links
- 210000003708 urethra Anatomy 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 201000001988 urethral stricture Diseases 0.000 abstract description 11
- 206010065584 Urethral stenosis Diseases 0.000 abstract description 10
- 239000007787 solid Substances 0.000 abstract description 6
- 231100000241 scar Toxicity 0.000 abstract description 4
- 230000010339 dilation Effects 0.000 description 3
- 230000002485 urinary effect Effects 0.000 description 3
- 206010046442 Urethral dilatation Diseases 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 206010000060 Abdominal distension Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000014001 urinary system disease Diseases 0.000 description 1
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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a cored urethra dilator which comprises a dilator shell, a catheter and a guide wire shell, wherein a first fixing plate is fixedly connected to the inner surface wall of one side of the guide wire shell, and an electric telescopic rod is fixedly connected to the first fixing plate. According to the invention, the extension of the electric telescopic rod is controlled, the telescopic end of the electric telescopic rod drives the rack to move in the vertical direction, the rack drives the third gear to rotate, the third gear drives the second bevel gear to rotate through the connecting shaft, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the second gear to rotate through the rotating rod, the second gear drives the first gear to rotate, the first gear drives the limiting block positioned in the first sliding groove to slide, so that the connecting block slides along the second sliding groove to drive the moving block to extend outwards, the urethra can be supported after the solid urethral dilator is withdrawn, and the condition that the urethral catheter is difficult to stay due to the retraction of a urethral stricture scar is avoided.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a urethral dilator with a core.
Background
Urethral stricture is a common disorder of the urinary system. Urethral dilation is an important means in the treatment of urethral strictures, and a significant proportion of patients need to receive periodic urethral dilation treatment over a long period of time. Traditional urethral distention employs a metallic urethral probe. The common specification is F16-24, probes with different diameters are sequentially put into the urethra from smaller models under local anesthesia, the diameters are gradually increased by using a violent tearing method, the expansion of the urethral stricture ring is realized, and the increment of the external diameter increased each time cannot be excessively large, so that the urethral function injury is avoided.
Urethral dilator dilates urethra is a common clinical treatment means for treating urethral stricture; the indwelling catheter after urethral dilatation treatment for reducing urethral edema stimulation is an important link for effectively treating urethral stricture, but a significant part of patients still have the difficulty of indwelling the catheter after urethral dilatation treatment. The traditional urethral dilator is solid, when a urethral stricture patient needing to be placed with a urinary catheter is treated, after the urethral dilator is withdrawn from the solid urethral dilator under partial conditions, the urinary catheter is often placed with difficulty due to the retraction of the urethral stricture scar, and the clinical treatment is troublesome. The urethral dilator with the core can effectively avoid the failure condition of the indwelling catheter caused by urethral stricture, and can smoothly indwell the catheter after urethral dilation treatment is implemented.
Disclosure of Invention
The invention aims at: in order to solve the above-mentioned problems, a cored urethral dilator is proposed.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a take core urethra expander, includes expander casing, catheter, seal wire casing, fixedly connected with first fixed plate on the table wall in seal wire casing one side, fixedly connected with electric telescopic handle on the first fixed plate, electric telescopic handle's telescopic end fixedly connected with rack, fixedly connected with second fixed plate on the table wall in seal wire casing opposite side, rotate on the second fixed plate and be connected with the dwang, dwang one end fixedly connected with second gear, dwang other end fixedly connected with first bevel gear, be equipped with the connecting axle on the table wall in the seal wire casing, connecting axle tip fixedly connected with and rack toothing's third gear, fixedly connected with and first bevel gear toothing's second bevel gear on the connecting axle, seal wire casing top fixedly connected with support, sliding connection has a plurality of connecting blocks of equiaxis distribution on the support, a plurality of connecting block tip equal fixedly connected with movable block, a plurality of movable block equal fixedly connected with taper blocks, a plurality of on the connecting block equal fixedly connected with stopper top, a plurality of guide wire casing inner gear sets up first side and sets up the first groove with the first gear.
As a further description of the above technical solution:
the rack is fixedly connected with a fixed block, and the end part of the fixed block is fixedly connected with a sliding wheel.
As a further description of the above technical solution:
the guide wire is characterized in that a third fixing plate is fixedly connected to the inner surface wall of one side of the guide wire shell, and a limiting rod penetrating through the fixing block is fixedly connected to the third fixing plate.
As a further description of the above technical solution:
the plurality of moving blocks are concentrically and equiangularly distributed.
As a further description of the above technical solution:
five second sliding grooves distributed at equal angles are formed in the support.
As a further description of the above technical solution:
the conical blocks are attached in pairs, and an arc-shaped surface is arranged at the top end of each conical block.
As a further description of the above technical solution:
the limiting block is located in the first sliding groove.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the extension of the electric telescopic rod is controlled, the telescopic end of the electric telescopic rod drives the rack to move in the vertical direction, the rack drives the third gear to rotate, the third gear drives the second bevel gear to rotate through the connecting shaft, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the second gear to rotate through the rotating rod, the second gear drives the first gear to rotate, the first gear drives the limiting block positioned in the first sliding groove to slide, so that the connecting block slides along the second sliding groove to drive the moving block to extend outwards, the urethra can be supported after the solid urethral dilator is withdrawn, and the condition that the urethral catheter is difficult due to the retraction of a urethral stricture scar is avoided.
2. According to the invention, the limiting rod can limit the rack, so that the transmission effect of the rack and the third gear is further improved.
Drawings
Fig. 1 is a schematic view of the internal structure of a dilator housing of a cored urethral dilator according to the present invention;
fig. 2 is a schematic view showing a cross-sectional structure of a first gear of the urethral dilator with a core according to the present invention;
figure 3 is a schematic A-A structure of the cored urethral dilator according to the invention;
fig. 4 is a schematic view of the enlarged partial structure of fig. 1 of the cored urethral dilator according to the invention;
fig. 5 is a schematic view of the structure of a dilator housing of the cored urethral dilator according to the present invention.
Legend description:
1. a dilator housing; 2. a urinary catheter; 3. a guidewire housing; 4. a conical block; 5. a first fixing plate; 6. an electric telescopic rod; 7. a rack; 8. a first gear; 9. a second gear; 10. a first sliding groove; 11. a limiting block; 12. a connecting block; 13. a moving block; 14. a second sliding groove; 15. a bracket; 16. a limit rod; 17. a second fixing plate; 18. a rotating lever; 19. a first bevel gear; 20. a second bevel gear; 21. a third gear; 22. a sliding wheel; 23. a third fixing plate; 24. a fixed block; 25. and a connecting shaft.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the urethral dilator with a core comprises a dilator shell 1, a catheter 2 and a guide wire shell 3, wherein the end part of the dilator shell 1 is designed in a manner of fitting an arc head, the bottom end of the arc head of the dilator shell 1 is flush with the head end of the catheter 2, and then the dilator is expanded by means of the arc head of a conical block 4, a first fixing plate 5 is fixedly connected to the inner surface wall of one side of the guide wire shell 3, electric telescopic rods 6 are fixedly connected to the first fixing plate 5, the telescopic ends of the electric telescopic rods 6 are fixedly connected to racks 7, a second fixing plate 17 is fixedly connected to the inner surface wall of the other side of the guide wire shell 3, a rotating rod 18 is rotationally connected to the second fixing plate 17, one end of the rotating rod 18 is fixedly connected to a second bevel gear 9, the other end of the rotating rod 18 is fixedly connected to a first bevel gear 19, the inner surface wall of the guide wire shell 3 is rotationally connected with a connecting shaft 25 through a bearing, the end part of the connecting shaft 25 is fixedly connected to a third gear 21 meshed with the racks 7, the connecting shaft 25 is fixedly connected with a second bevel gear 20 meshed with a first bevel gear 19, the first bevel gear 19 is meshed with the second bevel gear 20, the top end of the guide wire shell 3 is fixedly connected with a bracket 15, five connecting blocks 12 distributed in the same axial center are slidingly connected on the bracket 15, the end parts of the five connecting blocks 12 are fixedly connected with moving blocks 13, the five moving blocks 13 are fixedly connected with conical blocks 4, the five conical blocks 4 are jointed in pairs, the top ends of the conical blocks 4 are provided with arc surfaces, the five moving blocks 13 are distributed in concentric equal angles, the five connecting blocks 12 are fixedly connected with limiting blocks 11, the limiting blocks 11 are positioned in first sliding grooves 10, the inner surface wall at the top end of the guide wire shell 3 is rotationally connected with a first gear 8, the first gear 8 is meshed with a second gear 9, the first gear 8 is provided with five first sliding grooves 10 matched with the limiting blocks 11, the conical block 4 with supporting function can be designed into a conical block 4 which is parallel to the strip shape of the catheter 2 in the catheter 2, the catheter 2 is supported by supporting the catheter 2, the urethra is further supported by the supporting function in the interior, and the catheter 2 can slide on the surface of the conical block 4, so that the catheter 2 can be smoothly kept.
Specifically, as shown in fig. 4, the rack 7 is fixedly connected with a fixed block 24, the end part of the fixed block 24 is fixedly connected with a sliding wheel 22, the sliding wheel 22 is abutted with the inner surface wall of the guide wire shell 3, and the sliding wheel 22 is convenient for the fixed block 24 to slide.
Specifically, as shown in fig. 1 and 4, a third fixing plate 23 is fixedly connected to the inner surface wall of one side of the guide wire housing 3, and a stop lever 16 penetrating through the fixing block 24 is fixedly connected to the third fixing plate 23.
Specifically, as shown in fig. 2, five second sliding grooves 14 distributed at equal angles are formed on the bracket 15, and the second sliding grooves 14 are slidably connected with the connecting block 12.
Working principle: when the urethral catheter is used, the electric telescopic rod 6 is controlled to stretch, the telescopic end of the electric telescopic rod 6 drives the rack 7 to move in the vertical direction, the rack 7 drives the third gear 21 to rotate, the third gear 21 drives the second bevel gear 20 to rotate through the connecting shaft 25, the second bevel gear 20 drives the first bevel gear 19 to rotate, the first bevel gear 19 drives the second gear 9 to rotate through the rotating rod 18, the second gear 9 drives the first gear 8 to rotate, the first gear 8 rotates to drive the limiting block 11 positioned in the first sliding groove 10 to slide, the connecting block 12 slides along the second sliding groove 14 to drive the moving block 13 to stretch outwards, the solid urethral dilator can be arranged between the urethral catheter 2 and the dilator shell 1, and a plurality of moving blocks 13 can support the urethra after exiting the solid urethral dilator, so that the situation that the urethral catheter 2 is difficult due to urethral stricture scar retraction is avoided.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The utility model provides a urethral dilator with a core, includes expander casing (1), catheter (2), seal wire casing (3), its characterized in that, expander casing (1) tip is circular arc head fit design, and expander casing (1) circular arc head bottom and catheter (2) head end parallel and level, and then expand with the help of the circular arc head of taper block (4), fixedly connected with first fixed plate (5) on seal wire casing (3) one side interior surface wall, fixedly connected with electric telescopic handle (6) on first fixed plate (5), the flexible end fixedly connected with rack (7) of electric telescopic handle (6), fixedly connected with second fixed plate (17) on seal wire casing (3) opposite side interior surface wall, rotationally connected with dwang (18) on second fixed plate (17), dwang (18) one end fixedly connected with second gear (9), dwang (18) other end fixedly connected with first bevel gear (19), be equipped with connecting axle (25) on seal wire casing (3) interior surface wall, connecting axle (25) fixedly connected with rack (7) on the interior surface wall of seal wire casing (3), be connected with second bevel gear (25) fixedly meshed with third bevel gear (20), the catheter comprises a support (15), a plurality of connecting blocks (12) which are distributed in an equiaxial manner are connected onto the support (15) in a sliding manner, a plurality of moving blocks (13) are fixedly connected onto the end parts of the connecting blocks (12), a plurality of conical blocks (4) are fixedly connected onto the moving blocks (13), limiting blocks (11) are fixedly connected onto the connecting blocks (12), a first gear (8) is connected onto the inner surface wall of the top end of a guide wire shell (3) in a rotating manner, a plurality of first sliding grooves (10) which are matched with the limiting blocks (11) are formed in the first gear (8), the conical blocks (4) with supporting function are designed into strip-shaped conical blocks (4) which are parallel to the catheter (2) in the catheter (2), the urethra is further supported through the supporting function of the catheter (2), and the catheter (2) slides on the surface of the conical blocks (4) so that the catheter (2) can be smoothly reserved; the conical blocks (4) are bonded in pairs, and an arc-shaped surface is arranged at the top end of each conical block (4);
the rack (7) is fixedly connected with a fixed block (24), and the end part of the fixed block (24) is fixedly connected with a sliding wheel (22);
a third fixing plate (23) is fixedly connected to the inner surface wall of one side of the guide wire shell (3), and a limiting rod (16) penetrating through the fixing block (24) is fixedly connected to the third fixing plate (23);
the limiting block (11) is located in the first sliding groove (10).
2. The cored urethral dilator according to claim 1, characterized in that a plurality of the moving blocks (13) are concentrically equiangularly distributed.
3. The cored urethral dilator according to claim 1, characterized in that the support frame (15) is provided with five second sliding grooves (14) distributed at equal angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110214142.8A CN112843442B (en) | 2021-02-26 | 2021-02-26 | Urethral dilator with core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110214142.8A CN112843442B (en) | 2021-02-26 | 2021-02-26 | Urethral dilator with core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112843442A CN112843442A (en) | 2021-05-28 |
| CN112843442B true CN112843442B (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110214142.8A Active CN112843442B (en) | 2021-02-26 | 2021-02-26 | Urethral dilator with core |
Country Status (1)
| Country | Link |
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| CN (1) | CN112843442B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115317769B (en) * | 2022-09-19 | 2024-03-12 | 李冬冬 | Cardiovascular expander |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827227A (en) * | 1996-07-17 | 1998-10-27 | Delago; Augustin J. | Catheter having a radially adjustable sheath |
| WO2005016436A1 (en) * | 2003-08-19 | 2005-02-24 | Basim Alali | Self-dilation of uretheral stricture |
| CN206979823U (en) * | 2017-01-23 | 2018-02-09 | 山东省立医院 | A kind of urethral dilatation drainage system |
| CN210873660U (en) * | 2019-07-04 | 2020-06-30 | 兰州大学 | Special expander of urethral stricture patient |
| CN111420230A (en) * | 2020-03-19 | 2020-07-17 | 大连大学附属中山医院 | Urethral stricture dilation drainage device |
| CN211188170U (en) * | 2019-09-29 | 2020-08-07 | 李东旭 | Self-expanding massager |
| CN111658973A (en) * | 2020-06-08 | 2020-09-15 | 贵州省人民医院 | Gynaecology and obstetrics is with expanding palace device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10500379B2 (en) * | 2016-04-01 | 2019-12-10 | Michael Mooreville | Urethrotome-dilator |
-
2021
- 2021-02-26 CN CN202110214142.8A patent/CN112843442B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827227A (en) * | 1996-07-17 | 1998-10-27 | Delago; Augustin J. | Catheter having a radially adjustable sheath |
| WO2005016436A1 (en) * | 2003-08-19 | 2005-02-24 | Basim Alali | Self-dilation of uretheral stricture |
| CN206979823U (en) * | 2017-01-23 | 2018-02-09 | 山东省立医院 | A kind of urethral dilatation drainage system |
| CN210873660U (en) * | 2019-07-04 | 2020-06-30 | 兰州大学 | Special expander of urethral stricture patient |
| CN211188170U (en) * | 2019-09-29 | 2020-08-07 | 李东旭 | Self-expanding massager |
| CN111420230A (en) * | 2020-03-19 | 2020-07-17 | 大连大学附属中山医院 | Urethral stricture dilation drainage device |
| CN111658973A (en) * | 2020-06-08 | 2020-09-15 | 贵州省人民医院 | Gynaecology and obstetrics is with expanding palace device |
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| Publication number | Publication date |
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| CN112843442A (en) | 2021-05-28 |
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Effective date of registration: 20240221 Address after: No.91 Jiefang Road, Zhifu District, Yantai City, Shandong Province Applicant after: YANTAI HILL HOSPITAL OF YANTAI Country or region after: China Address before: Department of Urology, East Hospital, Yantai Yantai Mountain hospital, 10087 Keji Avenue, Laishan District, Yantai City, Shandong Province, 264010 Applicant before: Li Ning Country or region before: China |
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