CN113476715B - Urethral catheterization device for pediatric surgery - Google Patents
Urethral catheterization device for pediatric surgery Download PDFInfo
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- CN113476715B CN113476715B CN202110751482.4A CN202110751482A CN113476715B CN 113476715 B CN113476715 B CN 113476715B CN 202110751482 A CN202110751482 A CN 202110751482A CN 113476715 B CN113476715 B CN 113476715B
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- ring
- fixedly connected
- catheter
- rotating
- threaded
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
-
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
Abstract
The invention discloses a urethral catheterization device for pediatric surgery, which comprises a urethral catheter, wherein a fixed ring is fixedly sleeved outside the urethral catheter, an adjusting mechanism for adjusting the length of the urethral catheter is arranged between the adjusting ring and the fixed ring, a snap ring is sleeved outside the urethral catheter, a fixing mechanism for fixing the urethral catheter is arranged in the snap ring, and a bending mechanism for bending the urethral catheter is arranged above the snap ring. The length of the catheter can be adjusted, the catheter cannot be blocked, and the catheter can be reused.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a urethral catheterization device for pediatric surgery.
Background
Pediatric surgery is an emerging clinical discipline, and is mainly used for researching pediatric diseases needing surgical treatment. Generally divided into specialized departments of neonatal surgery, infantile general surgery, infantile thoracic and heart surgery, infantile urinary surgery, infantile neurosurgery, infantile ear, nose, throat-head and neck surgery, infantile orthopedics, and the like.
When using for children, the existing catheter is easy to block due to the overlarge bending angle, and the existing catheter is fixed in length, inconvenient to adjust, large in limitation in use, mostly disposable, incapable of recycling and wasting resources.
Therefore, we propose a urethral catheterization device for pediatric surgery to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems that a catheter is easy to block, the length is inconvenient to adjust and the catheter cannot be reused in the prior art, and provides a pediatric surgical catheterization device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a child's surgery uses urethral catheterization device, includes the catheter, the fixed cover of catheter outside of tubes is equipped with solid fixed ring, and the fixed cover of catheter outside of tubes is equipped with the adjustable ring, be equipped with between adjustable ring and the solid fixed ring and be used for carrying out the adjustment mechanism who adjusts catheter length, the catheter outside of tubes cover is equipped with the snap ring, be equipped with in the snap ring and carry out the fixed establishment who fixes with the catheter, the top of snap ring is equipped with the mechanism of buckling that is used for buckling the catheter, the upper end fixedly connected with connector of catheter.
Preferably, adjustment mechanism is including setting up two recesses outside the adjustable ring, two first threaded rods of solid fixed ring's upper end fixedly connected with, two the upper end of first threaded rod all slides and runs through the adjustable ring setting, two first threaded rod runs through two recess settings respectively, the catheter overcoat is equipped with the spacing ring, two the upper end of first threaded rod all with the lower extreme fixed connection of spacing ring, two the outer equal thread bush of first threaded rod is equipped with the thread bush, the upper and lower both ends of thread bush all are connected, two with the rotation of recess inside wall between the thread bush through the transmission of first drive mechanism.
Preferably, the first transmission mechanism comprises two gears respectively and coaxially and fixedly connected with the two threaded sleeves, a rotating ring is rotatably sleeved outside the adjusting ring, and an annular tooth groove meshed with the two gears is formed in the inner side wall of the rotating ring.
Preferably, the part of the catheter between the fixing ring and the adjusting ring is arranged in a bellows manner.
Preferably, fixed establishment is including setting up the intra-annular cavity of snap ring, the catheter runs through the cavity setting, be equipped with two arcs in the cavity, two the equal fixedly connected with second threaded rod of lateral wall that the arc was carried on the back mutually, two the one end that the arc was kept away from to the second threaded rod all slides and runs through the snap ring setting, two the outer equal thread bush of second threaded rod is equipped with the rotating sleeve, two the rotating sleeve all rotates with the snap ring lateral wall to be connected, it is equipped with the dwang to rotate to run through on the snap ring, be connected through the transmission of second drive mechanism between dwang and two rotating sleeve, the coaxial fixedly connected with turning handle of one end of dwang.
Preferably, second drive mechanism includes first belt pulley and second belt pulley, first belt pulley and the coaxial fixed connection of dwang, the second belt pulley with rotate the coaxial fixed connection of sleeve, be connected through belt transmission between first belt pulley and the second belt pulley.
Preferably, the bending mechanism comprises two sliding rings sleeved outside the catheter, the lower end of each sliding ring is located on the lower side and fixedly connected with the upper end of the clamping ring, the right ends of the two sliding rings are fixedly connected with connecting rods, the right end of each connecting rod is located on the lower side and fixedly connected with a fixed plate, the right end of each connecting rod located on the upper side is rotatably connected with the fixed plate, and the two sliding rings are fixedly connected through a positioning mechanism.
Preferably, positioning mechanism includes two respectively with two sliding ring front end fixed connection's locating lever, two the locating lever overcoat is equipped with back the type locating plate, is located the upside the locating lever is kept away from the one end fixedly connected with U template of sliding ring, two arms all slide about the U template and run through and be equipped with the pull rod, the one end fixedly connected with splint that the pull rod is located the U template, the pull rod is equipped with the spring outward, the both ends of spring respectively with splint and U template fixed connection, the one end fixedly connected with pull handle that splint were kept away from to the pull rod.
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the adjusting mechanism and the connector, the rotating ring is rotated to drive the two threaded sleeves to rotate, the two threaded sleeves drive the two first threaded rods to lift, the two first threaded rods drive the fixed ring to lift relative to the adjusting ring, and the fixed ring can stretch or compress the corrugated pipe part of the catheter, so that the length of the catheter can be adjusted, and the part of the catheter inserted into the body can be replaced through the connector, so that the catheter can be reused after being cleaned;
2. through setting up fixed establishment and bending mechanism, through rotating the turning handle, the turning handle drives the dwang and rotates, the dwang drives two second threaded rod relative movement, two second threaded rod drive two arc relative movement, can be fixed snap ring and catheter in catheter suitable position department, then stimulate two pull handles and rotate the sliding ring of upside, the sliding ring drives the catheter and rotates, until suitable angle, loosen the pull handle this moment, it will return the type locating plate to make two splint fixed, thereby it is fixed with the sliding ring, make the catheter rotate also can not produce the crease behind the certain angle, avoid the catheter to be blockked up.
The length of the catheter can be adjusted, the catheter cannot be blocked, and the catheter can be reused.
Drawings
FIG. 1 is a schematic perspective view of a pediatric surgical catheterization apparatus according to the present invention;
FIG. 2 is a schematic structural view of a fixing mechanism of a pediatric surgical catheterization apparatus according to the present invention;
FIG. 3 is a schematic structural view of a positioning mechanism of a pediatric surgical catheterization apparatus according to the present invention;
fig. 4 is a front perspective view of a bent catheter in a pediatric surgical catheterization apparatus of the present invention.
In the figure: the catheter comprises a catheter 1, a fixing ring 2, an adjusting ring 3, a clamping ring 4, an adjusting mechanism 5, a fixing mechanism 6, a bending mechanism 7, a groove 8, a first threaded rod 9, a limiting ring 10, a threaded sleeve 11, a first transmission mechanism 12, a gear 13, a rotating ring 14, a cavity 15, an arc plate 16, a second threaded rod 17, a rotating sleeve 18, a rotating rod 19, a second transmission mechanism 20, a rotating handle 21, a first belt pulley 22, a second belt pulley 23, a sliding ring 24, a connecting rod 25, a fixed plate 26, a positioning mechanism 27, a positioning rod 28, a positioning plate 29, a positioning plate 30U-shaped plate 31, a pull rod 32, a clamping plate 33, a spring 34, a pull handle 34 and a connector 35.
Detailed Description
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and 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.
Referring to fig. 1-4, a child's surgery uses urethral catheterization device, including catheter 1, the outer fixed cover of catheter 1 is equipped with solid fixed ring 2, it should be explained that, the part that catheter 1 is located between solid fixed ring 2 and the adjustable ring 3 is the bellows setting, the outer fixed cover of catheter 1 is equipped with adjustable ring 3, be equipped with between adjustable ring 3 and the solid fixed ring 2 and be used for carrying out the adjustment mechanism 5 that adjusts catheter 1 length, specifically, adjustment mechanism 5 is including setting up two recesses 8 outside adjustable ring 3, gu two first threaded rods 9 of fixed ring 2's upper end fixedly connected with, the upper end of two first threaded rods 9 all slides and runs through adjustable ring 3 and sets up, two first threaded rods 9 run through two recesses 8 respectively and set up, catheter 1 overcoat is equipped with spacing ring 10, the upper end of two first threaded rods 9 all with the lower extreme fixed connection of spacing ring 10.
In the invention, two first threaded rods 9 are externally and respectively in threaded sleeve connection with a threaded sleeve 11, the upper end and the lower end of the threaded sleeve 11 are respectively in rotary connection with the inner side wall of a groove 8, the two threaded sleeves 11 are in transmission connection through a first transmission mechanism 12, further, the first transmission mechanism 12 comprises two gears 13 which are respectively in coaxial fixed connection with the two threaded sleeves 11, a rotating ring 14 is externally and rotatably sleeved on an adjusting ring 3, the inner side wall of the rotating ring 14 is provided with an annular tooth groove which is meshed with the two gears 13, a clamping ring 4 is sleeved outside a catheter 1, a fixing mechanism 6 which is fixed with the catheter 1 is arranged in the clamping ring 4, it is required to be mentioned that the fixing mechanism 6 comprises a cavity 15 arranged in the clamping ring 4, the catheter 1 penetrates through the cavity 15, two arc-shaped plates 16 are arranged in the cavity 15, and the side walls of the two arc-shaped plates 16 which are opposite to each other are fixedly connected with a second threaded rod 17, it should be noted that the external screw thread turning directions of the two second threaded rods 17 are opposite, the two arc-shaped plates 16 are both matched with the catheter 1, and one ends of the two second threaded rods 17, which are far away from the arc-shaped plates 16, are both slidably arranged through the snap ring 4.
In the invention, the two second threaded rods 17 are externally and respectively sleeved with a rotating sleeve 18 in a threaded manner, the two rotating sleeves 18 are respectively rotatably connected with the outer side wall of a clamping ring 4, a rotating rod 19 is rotatably penetrated through the clamping ring 4, the rotating rod 19 is in transmission connection with the two rotating sleeves 18 through a second transmission mechanism 20, further, the second transmission mechanism 20 comprises a first belt pulley 22 and a second belt pulley 23, the first belt pulley 22 is coaxially and fixedly connected with the rotating rod 19, the second belt pulley 23 is coaxially and fixedly connected with the rotating sleeves 18, the first belt pulley 22 is in transmission connection with the second belt pulley 23 through a belt, one end of the rotating rod 19 is coaxially and fixedly connected with a rotating handle 21, a bending mechanism 7 for bending the catheter 1 is arranged above the clamping ring 4, further, the bending mechanism 7 comprises two sliding rings 24 sleeved outside the catheter 1, the rotation angle of the upper side slip ring 24 is 0 to 120 degrees, the lower end of the slip ring 24 positioned on the lower side is fixedly connected with the upper end of the clamping ring 4, and the right ends of the two slip rings 24 are fixedly connected with a connecting rod 25.
In the invention, the right end of the connecting rod 25 positioned at the lower side is fixedly connected with a fixed plate 26, the right end of the connecting rod 25 positioned at the upper side is rotatably connected with the fixed plate 26, the two sliding rings 24 are fixedly connected with each other through a positioning mechanism 27, it is worth mentioning that the positioning mechanism 27 comprises two positioning rods 28 respectively fixedly connected with the front ends of the two sliding rings 24, a return positioning plate 29 is sleeved outside the two positioning rods 28, one end of the positioning rod 28 positioned at the upper side, which is far away from the sliding rings 24, is fixedly connected with a U-shaped plate 30, both left and right arms of the U-shaped plate 30 are provided with a pull rod 31 in a sliding and penetrating manner, one end of the pull rod 31, which is positioned in the U-shaped plate 30, is fixedly connected with a clamping plate 32, the other end of the pull rod 31, which is far away from the clamping plate 32, is fixedly connected with a pull handle 34, and the upper end of the catheter 1 is fixedly connected with a connecting joint 35.
When the length of the catheter 1 is adjusted, the rotating ring 14 is rotated, the rotating ring 14 drives the two gears 13 to rotate, the two gears 13 drive the threaded sleeves 11 to rotate, the two threaded sleeves 11 drive the two first threaded rods 9 to ascend and descend, the two first threaded rods 9 drive the fixing ring 2 to ascend and descend relative to the adjusting ring 3, and the fixing ring 2 can stretch or compress the corrugated pipe part of the catheter 1, so that the length of the catheter 1 can be adjusted.
When the catheter 1 is bent, the rotating handle 21 is rotated, the rotating handle 21 drives the rotating rod 19 to rotate, the rotating rod 19 drives the two first belt pulleys 22 to rotate, the two first belt pulleys 22 drive the two second belt pulleys 23 to rotate through the two belts, the two second belt pulleys 23 drive the two second threaded rods 17 to move relatively, the two second threaded rods 17 drive the two arc-shaped plates 16 to move relatively, so that the clamp ring 4 and the catheter 1 can be fixed at a proper position of the catheter 1, then the two pull handles 34 are pulled and the upper sliding ring 24 is rotated, the sliding ring 24 drives the catheter 1 to rotate until a proper angle, and at the moment, the pull handles 34 are loosened, so that the two clamp plates 32 fix the back-shaped positioning plate 29, the sliding ring 24 is fixed, and the catheter 1 can be bent.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (2)
1. The pediatric surgery urethral catheterization device comprises a urethral catheter (1) and is characterized in that a fixing ring (2) is fixedly sleeved outside the urethral catheter (1), an adjusting ring (3) is fixedly sleeved outside the urethral catheter (1), an adjusting mechanism (5) for adjusting the length of the urethral catheter (1) is arranged between the adjusting ring (3) and the fixing ring (2), a clamping ring (4) is sleeved outside the urethral catheter (1), a fixing mechanism (6) for fixing the urethral catheter (1) is arranged in the clamping ring (4), a bending mechanism (7) for bending the urethral catheter (1) is arranged above the clamping ring (4), and the upper end of the urethral catheter (1) is fixedly connected with a connector (35);
the adjusting mechanism (5) comprises two grooves (8) arranged outside the adjusting ring (3), the upper end of the fixing ring (2) is fixedly connected with two first threaded rods (9), the upper ends of the two first threaded rods (9) are arranged in a sliding mode and penetrate through the adjusting ring (3), the two first threaded rods (9) are arranged in a mode of penetrating through the two grooves (8) respectively, a limiting ring (10) is sleeved outside the catheter (1), the upper ends of the two first threaded rods (9) are fixedly connected with the lower end of the limiting ring (10), threaded sleeves (11) are sleeved outside the two first threaded rods (9) in a threaded mode, the upper ends and the lower ends of the threaded sleeves (11) are rotatably connected with the inner side wall of the grooves (8), and the two threaded sleeves (11) are in transmission connection through a first transmission mechanism (12);
the first transmission mechanism (12) comprises two gears (13) which are respectively coaxially and fixedly connected with the two threaded sleeves (11), a rotating ring (14) is rotatably sleeved outside the adjusting ring (3), and an annular tooth groove meshed with the two gears (13) is formed in the inner side wall of the rotating ring (14);
the fixing mechanism (6) comprises a cavity (15) arranged in the snap ring (4), the urinary catheter (1) penetrates through the cavity (15), two arc-shaped plates (16) are arranged in the cavity (15), the side walls of the two arc-shaped plates (16) which are back to each other are fixedly connected with second threaded rods (17), one ends of the two second threaded rods (17) far away from the arc-shaped plates (16) are arranged in a manner of penetrating through the snap ring (4) in a sliding manner, rotating sleeves (18) are sleeved on the outer surfaces of the two second threaded rods (17) in a threaded manner, the two rotating sleeves (18) are connected with the outer side wall of the snap ring (4) in a rotating manner, a rotating rod (19) is arranged on the clamping ring (4) in a rotating and penetrating way, the rotating rod (19) is in transmission connection with the two rotating sleeves (18) through a second transmission mechanism (20), one end of the rotating rod (19) is coaxially and fixedly connected with a rotating handle (21);
the second transmission mechanism (20) comprises a first belt pulley (22) and a second belt pulley (23), the first belt pulley (22) is coaxially and fixedly connected with the rotating rod (19), the second belt pulley (23) is coaxially and fixedly connected with the rotating sleeve (18), and the first belt pulley (22) is in transmission connection with the second belt pulley (23) through a belt;
the bending mechanism (7) comprises two sliding rings (24) sleeved outside the catheter (1), the lower ends of the sliding rings (24) positioned on the lower side are fixedly connected with the upper ends of the clamping rings (4), the right ends of the two sliding rings (24) are both fixedly connected with connecting rods (25), the right end of the connecting rod (25) positioned on the lower side is fixedly connected with a fixed plate (26), the right end of the connecting rod (25) positioned on the upper side is rotatably connected with the fixed plate (26), and the two sliding rings (24) are fixedly connected through a positioning mechanism (27);
positioning mechanism (27) include two respectively with two sliding ring (24) front end fixed connection's locating lever (28), two locating lever (28) overcoat is equipped with back type locating plate (29), is located the upside locating lever (28) keep away from one end fixedly connected with U template (30) of sliding ring (24), both arms all slide about U template (30) and run through and be equipped with pull rod (31), one end fixedly connected with splint (32) that pull rod (31) are located U template (30), pull rod (31) are equipped with spring (33) outward, the both ends of spring (33) respectively with splint (32) and U template (30) fixed connection, the one end fixedly connected with pull handle (34) of splint (32) are kept away from in pull rod (31).
2. The pediatric surgical urinary catheterization apparatus according to claim 1, wherein the portion of the urinary catheter (1) between the fixed ring (2) and the adjustable ring (3) is arranged as a bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751482.4A CN113476715B (en) | 2021-07-02 | 2021-07-02 | Urethral catheterization device for pediatric surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751482.4A CN113476715B (en) | 2021-07-02 | 2021-07-02 | Urethral catheterization device for pediatric surgery |
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| CN113476715A CN113476715A (en) | 2021-10-08 |
| CN113476715B true CN113476715B (en) | 2022-08-02 |
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| CN114432571B (en) * | 2022-02-08 | 2024-04-19 | 张同静 | Clinical catheter traction device of using of kidney internal medicine |
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