CN112843442A - Urethral dilator with core - Google Patents
Urethral dilator with core Download PDFInfo
- Publication number
- CN112843442A CN112843442A CN202110214142.8A CN202110214142A CN112843442A CN 112843442 A CN112843442 A CN 112843442A CN 202110214142 A CN202110214142 A CN 202110214142A CN 112843442 A CN112843442 A CN 112843442A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- gear
- dilator
- urethral
- bevel gear
- 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.)
- Granted
Links
- 210000003708 urethra Anatomy 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 206010065584 Urethral stenosis Diseases 0.000 abstract description 8
- 201000001988 urethral stricture Diseases 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 5
- 231100000241 scar Toxicity 0.000 abstract description 4
- 230000010339 dilation Effects 0.000 description 5
- 206010046442 Urethral dilatation Diseases 0.000 description 2
- 230000002485 urinary effect Effects 0.000 description 2
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- 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)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a urethral dilator with a core, 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 rotates to drive 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 urethra dilator is withdrawn, and the situation that the urethral catheter is difficult to keep 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 disease of the urinary system. Urethral dilation is an important means in the treatment of urethral stricture, and a considerable number of patients need to receive periodic urethral dilation treatment for a long time. Traditional urethral dilation uses a metal urethral sound. The common specification is F16-24, probes with different diameters are sequentially placed into the urethra from a small model under local anesthesia, the diameters are gradually increased by using a violent tearing method, the expansion of the narrow ring of the urethra is realized, and the outer diameter increased each time cannot be increased too much so as to avoid the functional injury of the urethra.
Urethral dilator for dilating urethra is a common clinical treatment means for treating urethral stricture; the retention of the catheter after urethral dilatation treatment to relieve urethral edema stimulation is an important link for effectively treating urethral stricture, but a considerable part of patients still have the condition of difficulty in retaining the catheter after urethral dilatation treatment. Traditional urethra dilator is solid, when handling the narrow patient of urethra that needs to keep somewhere the catheter, withdraw from solid urethra dilator under the partial condition after, because the narrow scar of urethra contracts and often keeps somewhere the difficult condition of catheter, and clinical treatment is troublesome. The urethral dilator with the core can effectively avoid the failure condition of indwelling the catheter caused by urethral stricture, and can successfully indwelling the catheter after implementing urethral dilation treatment.
Disclosure of Invention
The invention aims to: in order to solve the problems, the urethral dilator with the core is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the urethral dilator with the core 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, electric telescopic rods are fixedly connected to the first fixing plate, racks are fixedly connected to the telescopic ends of the electric telescopic rods, a second fixing plate is fixedly connected to the inner surface wall of the other side of the guide wire shell, a rotating rod is rotatably connected to the second fixing plate, one end of the rotating rod is fixedly connected with a second gear, the other end of the rotating rod is fixedly connected with a first bevel gear, a connecting shaft is arranged on the inner surface wall of the guide wire shell, the end of the connecting shaft is fixedly connected with a third gear meshed with the racks, a second bevel gear meshed with the first bevel gear is fixedly connected to the connecting shaft, a support is fixedly connected to the top end of the guide wire shell, and, the guide wire casing is characterized in that a plurality of moving blocks are fixedly connected to the end portions of the connecting blocks, a plurality of conical blocks are fixedly connected to the moving blocks, a plurality of limiting blocks are fixedly connected to the connecting blocks, a first gear is rotatably connected to the inner surface wall of the top end of the guide wire casing, and a plurality of first sliding grooves matched with the limiting blocks are formed in the first gear.
As a further description of the above technical solution:
the rack is fixedly connected with a fixing block, and the end part of the fixing block is fixedly connected with a sliding wheel.
As a further description of the above technical solution:
the wire guide shell is characterized in that a third fixing plate is fixedly connected to the inner surface wall of one side of the wire guide 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 moving blocks are concentrically and equiangularly distributed.
As a further description of the above technical solution:
five second sliding grooves which are distributed at equal angles are formed in the bracket.
As a further description of the above technical solution:
a plurality of two liang of laminating of toper piece and toper piece top are provided with the arcwall face.
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 invention has the beneficial effects that:
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 rotates to drive 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 urethra dilator is withdrawn, and the situation that the urethral catheter is difficult due to the retraction of a urethral stricture scar is avoided.
2. In the invention, the rack can be limited by the limiting rod, 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 the dilator shell of the urethra dilator with core according to the present invention;
fig. 2 is a schematic sectional view of a first gear of the urethra dilater with core according to the present invention;
FIG. 3 is a schematic view of the structure A-A of the urethral dilator with core according to the present invention;
FIG. 4 is an enlarged partial schematic view of the urethral dilator with core of FIG. 1 in accordance with the present invention;
fig. 5 is a schematic structural diagram of the dilator shell of the urethra dilator with core according to the present invention.
Illustration of the drawings:
1. an expander 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. connecting blocks; 13. a moving block; 14. a second sliding groove; 15. a support; 16. a limiting rod; 17. a second fixing plate; 18. rotating the rod; 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 (7) connecting the shafts.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of 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 present invention, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a 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 to be matched with 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 dilation is carried out by the arc head of a conical block 4, a first fixing plate 5 is fixedly connected on the inner surface wall at one side of the guide wire shell 3, electric telescopic rods 6 are fixedly connected on the first fixing plate 5, a rack 7 is fixedly connected on the telescopic end of the electric telescopic rods 6, a second fixing plate 17 is fixedly connected on the inner surface wall at the other side of the guide wire shell 3, a rotating rod 18 is rotatably connected on the second fixing plate 17, a second gear 9 is fixedly connected at one end of the rotating rod 18, a first bevel gear 19 is fixedly connected at the other end of the rotating rod 18, a connecting shaft 25 is rotatably, the connecting shaft 25 is fixedly connected with a second bevel gear 20 meshed with the 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 support 15, the support 15 is slidably connected with five connecting blocks 12 distributed in an equal axial center manner, 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 attached in pairs, the top ends of the conical blocks 4 are provided with arc surfaces, the five moving blocks 13 are distributed in an equal angle manner concentrically, 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 of the top end of the guide wire shell 3 is rotatably 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 blocks 4 for supporting can be designed into strip-shaped conical blocks 4 parallel to, through supporting catheter 2 and then supporting the urethra, through inside supporting role, catheter 2 can slide and then keep somewhere catheter 2 smoothly on conical block 4 surface.
Specifically, as shown in fig. 4, the rack 7 is fixedly connected with a fixing block 24, the end of the fixing block 24 is fixedly connected with a sliding wheel 22, the sliding wheel 22 abuts against the inner surface wall of the guide wire housing 3, and the sliding wheel 22 facilitates the sliding of the fixing block 24.
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 stopper rod 16 penetrating through a 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 in the bracket 15, and the second sliding grooves 14 are slidably connected with the connecting block 12.
The working principle is as follows: when the device is used, the electric telescopic rod 6 is controlled to extend, 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, so that the connecting block 12 slides along the second sliding groove 14, so as to drive the moving blocks 13 to extend outwards, the urethral dilator can be arranged between the urethral catheter 2 and the dilator shell 1, after the moving blocks 13 are withdrawn from the solid urethral dilator, the urethra is supported, and the condition that the catheter 2 is difficult due to urethral stricture scar retraction is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. Urethral dilator with core, including dilator casing (1), catheter (2), seal wire casing (3), its characterized in that, fixedly connected with first fixed plate (5) on the table wall in seal wire casing (3) one side, fixed connection all has 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 the table wall in seal wire casing (3) opposite side, rotate on second fixed plate (17) and be connected with dwang (18), 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) inner surface wall, connecting axle (25) tip fixedly connected with rack (7) meshed third gear (21), fixedly connected with and first bevel gear (19) engaged with second bevel gear (20) on connecting axle (25), seal wire casing (3) top fixedly connected with support (15), sliding connection has connecting block (12) that a plurality of equal axle centers distribute on support (15), and is a plurality of equal fixedly connected with movable block (13) of connecting block (12) tip is a plurality of equal fixedly connected with toper piece (4) of movable block (13), and is a plurality of equal fixedly connected with stopper (11) is gone up on connecting block (12), the interior surface wall of seal wire casing (3) top rotates and is connected with first gear (8), set up a plurality of first sliding tray (10) with stopper (11) looks adaptation on first gear (8).
2. A urethral dilator with core according to claim 1, characterised in that the rack (7) is fixedly connected with a fixing block (24), the end of the fixing block (24) being fixedly connected with a sliding wheel (22).
3. The urethra dilator with core according to claim 1, wherein a third fixing plate (23) is fixedly connected to the inner surface wall of one side of the guide wire housing (3), and a limiting rod (16) penetrating through the fixing block (24) is fixedly connected to the third fixing plate (23).
4. A cored urethral dilator according to claim 1, characterised in that a plurality of said mobile blocks (13) are concentrically equiangularly distributed.
5. A urethral dilator with core according to claim 1, characterised in that said stent (15) is provided with five second sliding grooves (14) distributed at equal angles.
6. The urethral dilator with core according to claim 1, characterized in that the plurality of conical blocks (4) are attached two by two and the top ends of the conical blocks (4) are provided with arc-shaped surfaces.
7. A cored urethral dilator according to claim 1, characterised in that the stop block (11) is located in the first sliding groove (10).
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 true CN112843442A (en) | 2021-05-28 |
| CN112843442B CN112843442B (en) | 2024-03-15 |
Family
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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 |
|---|---|
| CN (1) | CN112843442B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115317769A (en) * | 2022-09-19 | 2022-11-11 | 李冬冬 | Cardiovascular dilator |
Citations (8)
| 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 |
| US20170281917A1 (en) * | 2016-04-01 | 2017-10-05 | Michael Mooreville | Urethrotome-dilator |
| 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 |
-
2021
- 2021-02-26 CN CN202110214142.8A patent/CN112843442B/en active Active
Patent Citations (8)
| 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 |
| US20170281917A1 (en) * | 2016-04-01 | 2017-10-05 | Michael Mooreville | Urethrotome-dilator |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115317769A (en) * | 2022-09-19 | 2022-11-11 | 李冬冬 | Cardiovascular dilator |
| CN115317769B (en) * | 2022-09-19 | 2024-03-12 | 李冬冬 | Cardiovascular expander |
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| Publication number | Publication date |
|---|---|
| CN112843442B (en) | 2024-03-15 |
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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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