CN112972865B - Urethral catheterization device used in urinary surgery - Google Patents
Urethral catheterization device used in urinary surgery Download PDFInfo
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- CN112972865B CN112972865B CN202110150117.8A CN202110150117A CN112972865B CN 112972865 B CN112972865 B CN 112972865B CN 202110150117 A CN202110150117 A CN 202110150117A CN 112972865 B CN112972865 B CN 112972865B
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- Prior art keywords
- connecting block
- fixedly connected
- catheter
- rotating shaft
- rod
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- 230000002485 urinary effect Effects 0.000 title claims abstract description 41
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 24
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 13
- 230000027939 micturition Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 210000002700 urine Anatomy 0.000 abstract description 38
- 210000000626 ureter Anatomy 0.000 description 11
- 210000003932 urinary bladder Anatomy 0.000 description 11
- 239000002504 physiological saline solution Substances 0.000 description 3
- 206010046555 Urinary retention Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/24—Check- or non-return valves
-
- 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
- A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Urology & Nephrology (AREA)
- Epidemiology (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a urethral catheterization device used in urinary surgery, which relates to the technical field of medical appliances and comprises a connecting block, wherein the right end of the connecting block is slidably connected with a urethral catheter, the surface of the urethral catheter is fixedly sleeved with a first sealing ring, the left end of the connecting block is slidably connected with a urinary catheter, and the surface of the urinary catheter is fixedly sleeved with a second sealing ring. The backflow prevention device can automatically prevent urine from flowing back, and the safety of the device is improved.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a urethral catheterization device used in a urinary surgery operation.
Background
Catheterization is the insertion of a urinary catheter into the urinary bladder through the urethra to draw urine in order to relieve urinary retention, taking uncontaminated urine specimens for examination, measuring residual urine, measuring cold and heat sensation, volume and pressure of the bladder, and injecting contrast agents or drugs to aid diagnosis or treatment.
After the urinary catheter is inserted into the bladder, the urinary catheter needs to be connected to a liquid outlet of the urinary catheter, the existing connection mode is that the urinary catheter is directly inserted into the urinary catheter, the fixing mode is not stable enough, when the pressure in the bladder of a patient is large, the hydraulic pressure of urine in the urinary catheter is also large, a doctor can limit the flow of the urine in the urinary catheter in order to protect the bladder of the patient, the urinary catheter can continuously receive the impact of the urine, so that the urine leakage and even the detachment of the urinary catheter can be caused, when the pressure in the bladder is smaller than the atmospheric pressure, the discharged urine can be pressed back into the urinary catheter by the atmospheric pressure, the urine returns to the bladder of the patient along the urinary catheter, the patient can feel uncomfortable and even can be infected, and therefore, the urinary catheter used in a surgical urology operation is provided.
Disclosure of Invention
The invention aims to solve the defects that urine is easy to overflow and can not prevent backflow in the prior art, and provides a urethral catheterization device for urinary surgery.
In order to achieve the purpose, the invention adopts the following technical scheme:
a urethral catheterization device used in urinary surgery comprises a connecting block, wherein the right end of the connecting block is slidably connected with a catheter, the surface of the catheter is fixedly sleeved with a first sealing ring, the left end of the connecting block is slidably connected with a urinary catheter, the surface of the urinary catheter is fixedly sleeved with a second sealing ring, the top end of the connecting block is fixedly connected with an aseptic box, aseptic normal saline is filled in the aseptic box, the right end of the connecting block is rotatably connected with a fixed rod, the surface of the fixed rod is fixedly connected with a first spring rod, the other end of the first spring rod is fixedly connected with the connecting block, the inside of the connecting block is fixedly connected with a fixing device, the front of the limiting rod is in a right trapezoid shape, the inside of the connecting block is rotatably connected with a water transmission device, the inside of the connecting block is provided with a conveying pipe, and the top end of the conveying pipe is fixedly connected with the aseptic box, the inside wall of conveyer pipe rotates and is connected with anti-return device.
Preferably, fixing device includes the gasbag of fixed connection inside the connecting block, the bottom fixedly connected with gag lever post of gasbag, the spout has been seted up to the left end of connecting block, the fixed surface of gag lever post is connected with the extension rod, the surface and the spout sliding connection of extension rod, spacing hole has been seted up on the surface of ureter.
Preferably, the surface of the limiting rod is connected with the connecting block in a sliding mode, and the bottom end of the limiting rod is in close contact with the limiting hole.
Preferably, water transmission connects the inside first axis of rotation of connecting block including rotating, the fixed cover in surface of first axis of rotation has connect the carousel, the fixed cover in surface of first axis of rotation has connect the line roller, the fixed rope that is connected with of surface of line roller, fixed rope winding is on the surface of line roller, the fixed surface of carousel is connected with the stopper, the fixed surface of carousel is connected with the second axis of rotation, torsion spring has been cup jointed in the surface rotation of second axis of rotation, torsion spring's surface rotation has cup jointed driving vane, torsion spring's one end and second axis of rotation fixed connection, torsion spring's the other end and driving vane fixed connection, driving vane's surface and stopper in close contact with.
Preferably, the backflow preventing device comprises a third rotating shaft rotatably connected to the inner side wall of the conveying pipe, the surface of the third rotating shaft is fixedly sleeved with an impeller, the surface of the third rotating shaft is rotatably sleeved with a sealing plug, an air cavity is arranged in the connecting block, the left end of the third rotating shaft penetrates through the conveying pipe to enter the air cavity, the left end of the third rotating shaft is fixedly connected with a screw rod, the surface of the screw rod is in threaded sleeve connection with a first air plug, the surface of the first air plug is connected with an air cavity in a sliding way, the bottom end in the air cavity is fixedly connected with a second spring rod, the bottom end of the second spring rod is fixedly connected with a second air plug, the surface of the second air plug is in sliding connection with the air cavity, the bottom fixedly connected with backward flow valve of second air lock, the inside sliding connection of connecting block has delivery valve, delivery valve's surperficial slip cap machine has the spring.
Preferably, the surface of the sealing plug is fixedly connected with the delivery pipe, and liquid in the delivery pipe cannot overflow from the connection part of the sealing plug and the third rotating shaft.
Preferably, a conveying channel is formed in the center of the inside of the connecting block, the backflow valve penetrates through the connecting block and enters the conveying channel inside the connecting block, the surface of the backflow valve is connected with the connecting block in a sliding mode, and the backflow valve can seal the conveying channel inside the connecting block.
Preferably, delivery valve's left end and fixed rope fixed connection, the left end and the delivery valve fixed connection of spring, the right-hand member and the delivery valve fixed connection of spring, delivery valve's right-hand member passes the inside that the conveyer pipe got into the conveyer pipe, delivery valve's right-hand member and conveyer pipe in close contact with, delivery valve can seal the conveyer pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. after the catheter is inserted, the fixing rod upwards rotates, the first spring rod contracts, under the action of the first spring rod, the fixing rod is tightly attached to the catheter, when the catheter moves rightwards, the fixing rod is abutted to the catheter, the friction force of the fixing rod to the catheter is increased along with the increase of the force for driving the catheter to move rightwards, the catheter cannot leave the connecting block easily, the stability of the catheter is improved, and urine overflow is effectively avoided.
2. The gag lever post can restrict the ureter with spacing hole cooperation, and the ureter can not remove about, makes the ureter can not break away from the connecting block, has improved the stability of ureter, makes the ureter can bear higher pressure, holds the extension rod, and the rebound extension rod drives the gag lever post rebound, makes the gag lever post leave spacing hole, can remove the fixed to the ureter, has improved the flexibility of device.
3. When urine flows back, the flowing back urine is contacted with the transmission blades, the urine drives the transmission blades to rotate, and the transmission blades drive the rotary disc to rotate. The rotary table drives the wire roller to rotate, the wire roller receives a wire, the fixed rope is wound on the wire roller, the fixed rope pulls the delivery valve, the delivery valve moves leftwards, the spring stretches, the delivery valve is opened, sterile normal saline in the sterile box enters the connecting block along the delivery pipe, the sterile normal saline enters the catheter, the inside of the catheter is flushed, the sterile normal saline flushes the blocked part of the catheter, the sterile normal saline enters the bladder of a patient along the catheter, the catheter is enabled to recover the function of catheterization, the catheter is automatically cleaned, the catheter is not required to be replaced with a new catheter, the medical cost is saved, the utilization rate of the catheter is improved, resources are saved, the trouble of conducting the urine again is avoided, the operation time is saved, the workload of a doctor is reduced, and the convenience of the device is improved.
4. The aseptic normal saline that flows drives the impeller and rotates, and then drive the screw rod and rotate, make first air cock remove on the screw rod, the air of first air cock compressed air intracavity, the inside atmospheric pressure increase of air chamber, under the effect of atmospheric pressure, the second air cock removes downwards, the second air cock drives the backward flow valve and removes downwards, the urine of backward flow valve interception backward flow, aseptic normal saline also can't pass through the backward flow valve simultaneously, automatic prevention urine backward flow, the security of device has been improved, need not medical personnel monitor catheterization device always, medical personnel's work load has been reduced, make medical personnel have more times to do other work, the practicality of device has been improved.
Drawings
FIG. 1 is a schematic view of a urinary catheter device according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
FIG. 4 is an enlarged view at C of FIG. 1;
FIG. 5 is a side view of a portion of a urinary catheter device in accordance with the present invention;
FIG. 6 is an enlarged view at C1 of FIG. 4;
fig. 7 is an enlarged view at D in fig. 1.
In the figure: 1 connecting block, 2 urinary catheters, 3 first sealing rings, 4 urinary catheters, 5 second sealing rings, 6 sterile boxes, 7 fixed rods, 8 first spring rods, 9 air bags, 10 limiting rods, 11 sliding chutes, 12 extension rods, 13 limiting holes, 14 first rotating shafts, 15 rotating discs, 16 wire rollers, 17 fixed ropes, 18 limiting blocks, 19 second rotating shafts, 20 torsion springs, 21 transmission blades, 22 conveying pipes, 23 third rotating shafts, 24 impellers, 25 sealing plugs, 26 air cavities, 27 screw rods, 28 first air plugs, 29 second spring rods, 30 second air plugs, 31 backflow valves, 32 conveying valves and 33 springs.
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.
Referring to fig. 1-7, a urinary catheterization device used in urinary surgery comprises a connecting block 1, a urinary catheter 2 is slidably connected to the right end of the connecting block 1, a first sealing ring 3 is fixedly sleeved on the surface of the urinary catheter 2, a urinary catheter 4 is slidably connected to the left end of the connecting block 1, a second sealing ring 5 is fixedly sleeved on the surface of the urinary catheter 4, a sterile box 6 is fixedly connected to the top end of the connecting block 1, sterile normal saline is filled in the sterile box 6, a fixing rod 7 is rotatably connected to the right end of the connecting block 1, a first spring rod 8 is fixedly connected to the surface of the fixing rod 7, the other end of the first spring rod 8 is fixedly connected to the connecting block 1, after the urinary catheter 2 is inserted, the fixing rod 7 rotates upwards, the first spring rod 8 contracts, the fixing rod 7 tightly clings to the urinary catheter 2 under the action of the first spring rod 8, when the urinary catheter 2 moves rightwards, the fixing rod 7 butts against the urinary catheter 2, the friction force of the fixing rod 7 on the catheter 2 is increased along with the increase of the force for driving the catheter 2 to move rightwards, so that the catheter 2 cannot leave the connecting block 1 easily, and the stability of the catheter 2 is improved.
Inside fixedly connected with fixing device of connecting block 1, fixing device includes fixed connection at 1 inside gasbag 9 of connecting block, the bottom fixedly connected with gag lever post 10 of gasbag 9, spout 11 has been seted up to the left end of connecting block 1, the fixed surface of gag lever post 10 is connected with extension rod 12, extension rod 12's surface and 11 sliding connection of spout, spacing hole 13 has been seted up on the surface of urination pipe 4, the front of gag lever post 10 is right trapezoid, the surface and the 1 sliding connection of connecting block of gag lever post 10, the bottom and the spacing hole 13 in close contact with of gag lever post 10.
Gag lever post 10 can restrict urination tube 4 with spacing hole 13 cooperation, the urination tube 4 can not remove about, make the urination tube 4 can not break away from connecting block 1, the stability of urination tube 4 has been improved, make the urination tube 4 can bear higher pressure, hold extension rod 12, the rebound extension rod 12, extension rod 12 drives gag lever post 10 and moves up, make gag lever post 10 leave spacing hole 13, can remove the fixed to urination tube 4, the flexibility of device has been improved.
The internal rotation of connecting block 1 is connected with water transmission, water transmission connects at the inside first axis of rotation 14 of connecting block 1 including rotating, the fixed surface of first axis of rotation 14 has cup jointed carousel 15, the fixed surface of first axis of rotation 14 has cup jointed line roller 16, the fixed surface of line roller 16 is connected with fixed rope 17, fixed rope 17 twines on the surface of line roller 16, the fixed surface of carousel 15 is connected with stopper 18, the fixed surface of carousel 15 is connected with second axis of rotation 19, torsion spring 20 has been cup jointed in the surface rotation of second axis of rotation 19, torsion spring 20's surface rotation has cup jointed driving vane 21, torsion spring 20's one end and second axis of rotation 19 fixed connection, torsion spring 20's the other end and driving vane 21 fixed connection, driving vane 21's surface and stopper 18 in close contact with.
When urine flows in the connecting block 1, the transmission blade 21 has certain resistance to the urine, according to the Newton's third law, the transmission blade 21 is subjected to reaction forces with opposite directions and the same magnitude, so that the urine can drive the transmission blade 21 to move, when the urine flows downstream, the urine drives the transmission blade 21 to move, the transmission blade 21 rotates clockwise, the transmission blade 21 cannot transmit force to the turntable 15, the turntable 15 is still in a static state, when the urine flows reversely, the transmission blade 21 cannot rotate anticlockwise, the transmission blade 21 can transmit force to the turntable 15, so that the turntable 15 rotates, when the urine flows backwards, the turntable 15 is triggered to rotate, thereby the device is driven to take corresponding measures for urine backflow, the urine backflow is automatically prevented, the safety of the device is improved, a urine guiding device is not required to be monitored by medical personnel all the time, the medical personnel can take other work, the practicability of the device is improved.
The conveying pipe 22 is arranged inside the connecting block 1, the top end of the conveying pipe 22 is fixedly connected with the sterile box 6, the inner side wall of the conveying pipe 22 is rotatably connected with the backflow prevention device, the backflow prevention device comprises a third rotating shaft 23 rotatably connected to the inner side wall of the conveying pipe 22, an impeller 24 is fixedly sleeved on the surface of the third rotating shaft 23, a sealing plug 25 is rotatably sleeved on the surface of the third rotating shaft 23, the surface of the sealing plug 25 is fixedly connected with the conveying pipe 22, liquid in the conveying pipe 22 cannot overflow from the connecting part of the sealing plug 25 and the third rotating shaft 23, the sealing performance of the conveying pipe 22 is guaranteed, sterile physiological saline in the sterile box 6 is effectively prevented from losing, and the safety of the device is improved;
an air cavity 26 is formed inside the connecting block 1, the left end of the third rotating shaft 23 penetrates through the conveying pipe 22 and enters the air cavity 26, a screw 27 is fixedly connected to the left end of the third rotating shaft 23, a first air plug 28 is sleeved on the surface of the screw 27 in a threaded manner, the surface of the first air plug 28 is slidably connected with the air cavity 26, a second spring rod 29 is fixedly connected to the bottom end of the inside of the air cavity 26, a second air plug 30 is fixedly connected to the bottom end of the second spring rod 29, the surface of the second air plug 30 is slidably connected with the air cavity 26, a return valve 31 is fixedly connected to the bottom end of the second air plug 30, a conveying channel is formed in the center of the connecting block 1, the return valve 31 penetrates through the connecting block 1 and enters the conveying channel in the connecting block 1, the surface of the return valve 31 is slidably connected with the connecting block 1, the return valve 31 can seal the conveying channel in the connecting block 1, and can intercept returned urine, the urine backflow is effectively avoided, the safety of a patient is protected, and the practicability of the device is improved;
the inside sliding connection of connecting block 1 has delivery valve 32, delivery valve 32's surperficial slip cap machine has spring 33, delivery valve 32's left end and fixed rope 17 fixed connection, the left end and the delivery valve 32 fixed connection of spring 33, the right-hand member and the delivery valve 32 fixed connection of spring 33, delivery valve 32's right-hand member passes the inside that conveyer pipe 22 got into conveyer pipe 22, delivery valve 32's right-hand member and conveyer pipe 22 in close contact with, delivery valve 32 can seal conveyer pipe 22.
According to the invention, the catheter 2 is inserted into the urethral orifice of a patient, the catheter 2 is slowly pushed to enable the top end of the catheter 2 to enter the bladder of the patient, when urine flows out from the tail end of the catheter 2, the top end of the catheter 2 enters the bladder, then the catheter 2 is slowly pulled outwards until the tail end of the catheter 2 stops when no urine flows out, the catheter 2 is pushed to move inwards for two centimeters, the urine flows out from the tail end of the catheter 2, and the depth of the catheter 2 is just enough to finish the installation of the catheter.
Insert the end of catheter 2 in connecting block 1 after that, dead lever 7 upwards rotates, first spring beam 8 contracts, under the effect of first spring beam 8, dead lever 7 pastes tight catheter 2, accomplish the fixed to catheter 2, insert in connecting block 1 with ureter 4 after that, ureter 4 extrudes gag lever post 10, gag lever post 10 moves up, gasbag 9 contracts, when gag lever post 10 moves spacing hole 13 department, ureter 4 no longer extrudes gag lever post 10, gasbag 9 recovers, gasbag 9 drives gag lever post 10 and gets into in the spacing hole 13, accomplish the fixed to ureter 4, slowly open the hemostatic clamp, begin to urinate.
When the catheter 2 is blocked, the pressure in the catheter 2 is less than the atmospheric pressure, urine starts to flow back under the action of the atmospheric pressure, the flowing back urine is contacted with the transmission blades 21, the urine drives the transmission blades 21 to rotate, and the transmission blades 21 drive the turntable 15 to rotate. The turntable 15 drives the wire roller 16 to rotate, the wire roller 16 takes up the wire, the fixed rope 17 is wound on the wire roller 16, the fixed rope 17 pulls the delivery valve 32, the delivery valve 32 moves leftwards, the spring 33 stretches, the delivery valve 32 is opened, the sterile normal saline in the sterile box 6 enters the connecting block 1 along the delivery pipe 22, the sterile normal saline enters the catheter 2 to flush the inside of the catheter 2, the sterile normal saline flushes the blocked part of the catheter 2 and enters the bladder of a patient along the catheter 2, and the catheter 2 recovers the function of catheterization.
Meanwhile, the flowing sterile physiological saline drives the impeller 24 to rotate, the impeller 24 drives the third rotating shaft 23 to rotate, the third rotating shaft 23 drives the screw 27 to rotate, the first air plug 28 moves on the screw 27, the first air plug 28 compresses air in the air cavity 26, air pressure in the air cavity 26 is increased, the second air plug 30 moves downwards under the action of the air pressure, the second spring rod 29 stretches, the second air plug 30 drives the backflow valve 31 to move downwards, after the bottom end of the backflow valve 31 is tightly connected with the connecting block 1, the backflow valve 31 intercepts backflow urine, the urine cannot pass through the backflow valve 31, and meanwhile, the sterile physiological saline cannot pass through the backflow valve 31.
When the normal saline in the sterile box 6 runs out, the impeller 24 loses driving force, the second spring rod 29 recovers, the second spring rod 29 drives the second air plug 30 to reset, the second air plug 30 drives the return valve 31 to reset, the return valve 31 is opened, the air pressure in the catheter 2 recovers, the urine stops flowing back, the driving blade 21 loses driving force, the spring 33 recovers, the spring 33 drives the delivery valve 32 to reset, the delivery valve 32 is closed, and the connecting block 1, the catheter 2 and the urinary catheter 4 continue to conduct catheterization.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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 (4)
1. The utility model provides a catheterization device of usefulness among uropoiesis surgery operation, includes connecting block (1), its characterized in that, the right-hand member sliding connection of connecting block (1) has catheter (2), the fixed surface of catheter (2) has cup jointed first sealing washer (3), the left end sliding connection of connecting block (1) has catheter (4), the fixed surface of catheter (4) has cup jointed second sealing washer (5), the top fixed connection of connecting block (1) has aseptic case (6), aseptic normal saline is equipped with to the inside of aseptic case (6), the right-hand member of connecting block (1) rotates and is connected with dead lever (7), the fixed surface of dead lever (7) is connected with first spring beam (8), the other end and connecting block (1) fixed connection of first spring beam (8), the inside fixed connection of connecting block (1) has fixing device, the fixing device comprises an air bag (9) fixedly connected inside a connecting block (1), the bottom end of the air bag (9) is fixedly connected with a limiting rod (10), the left end of the connecting block (1) is provided with a sliding groove (11), the surface of the limiting rod (10) is fixedly connected with an extension rod (12), the surface of the extension rod (12) is in sliding connection with the sliding groove (11), the surface of the urination pipe (4) is provided with a limiting hole (13), the front side of the limiting rod (10) is in a right trapezoid shape, the inside of the connecting block (1) is rotatably connected with a water transmission device, the inside of the connecting block (1) is provided with a conveying pipe (22), the top end of the conveying pipe (22) is fixedly connected with a sterile box (6), and the inner side wall of the conveying pipe (22) is rotatably connected with an anti-backflow device;
the water transmission device comprises a first rotating shaft (14) which is rotatably connected inside a connecting block (1), a turntable (15) is fixedly sleeved on the surface of the first rotating shaft (14), a wire roller (16) is fixedly sleeved on the surface of the first rotating shaft (14), a fixed rope (17) is fixedly connected with the surface of the wire roller (16), the fixed rope (17) is wound on the surface of the wire roller (16), a limiting block (18) is fixedly connected with the surface of the turntable (15), a second rotating shaft (19) is fixedly connected with the surface of the turntable (15), a torsion spring (20) is rotatably sleeved on the surface of the second rotating shaft (19), a transmission blade (21) is rotatably sleeved on the surface of the torsion spring (20), one end of the torsion spring (20) is fixedly connected with the second rotating shaft (19), and the other end of the torsion spring (20) is fixedly connected with the transmission blade (21), the surface of the transmission blade (21) is tightly contacted with the limiting block (18);
the backflow prevention device comprises a third rotating shaft (23) which is rotatably connected to the inner side wall of a conveying pipe (22), an impeller (24) is fixedly sleeved on the surface of the third rotating shaft (23), a sealing plug (25) is rotatably sleeved on the surface of the third rotating shaft (23), an air cavity (26) is formed in the connecting block (1), the left end of the third rotating shaft (23) penetrates through the conveying pipe (22) to enter the air cavity (26), a screw rod (27) is fixedly connected to the left end of the third rotating shaft (23), a first air plug (28) is sleeved on the surface of the screw rod (27) in a threaded manner, the surface of the first air plug (28) is slidably connected with the air cavity (26), a second spring rod (29) is fixedly connected to the bottom end of the inner portion of the air cavity (26), and a second air plug (30) is fixedly connected to the bottom end of the second spring rod (29), the surface and air chamber (26) sliding connection of second air lock (30), the bottom fixedly connected with return-flow valve (31) of second air lock (30), the inside sliding connection of connecting block (1) has delivery valve (32), the surperficial slip cover machine of delivery valve (32) has spring (33), the left end and the fixed rope (17) fixed connection of delivery valve (32), the left end and delivery valve (32) fixed connection of spring (33), the right-hand member of delivery valve (32) passes the inside that conveyer pipe (22) got into conveyer pipe (22), the right-hand member and conveyer pipe (22) in close contact with of delivery valve (32), delivery valve (32) can seal conveyer pipe (22).
2. A urinary catheter device in accordance with claim 1, wherein the surface of the stopper rod (10) is slidably connected to the connecting block (1), and the bottom end of the stopper rod (10) is closely contacted to the stopper hole (13).
3. A urinary catheter as claimed in claim 1, characterized in that the surface of the sealing plug (25) is fixedly connected to the delivery tube (22), and that the liquid in the delivery tube (22) cannot escape from the connection of the sealing plug (25) to the third rotational axis (23).
4. A urinary catheter device in accordance with claim 1, characterized in that the connecting block (1) is provided with a central passage, the return valve (31) is inserted through the connecting block (1) into the passage in the connecting block (1), the surface of the return valve (31) is slidably connected to the connecting block (1), and the return valve (31) seals the passage in the connecting block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150117.8A CN112972865B (en) | 2021-02-03 | 2021-02-03 | Urethral catheterization device used in urinary surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150117.8A CN112972865B (en) | 2021-02-03 | 2021-02-03 | Urethral catheterization device used in urinary surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112972865A CN112972865A (en) | 2021-06-18 |
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| CN211327230U (en) * | 2019-12-25 | 2020-08-25 | 中国人民解放军总医院 | Urethral catheterization device for postoperative care |
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| US9302049B2 (en) * | 2012-08-20 | 2016-04-05 | Becton, Dickinson And Company | Medical devices for blood reflux prevention and methods of use |
| WO2014043650A2 (en) * | 2012-09-17 | 2014-03-20 | Theranova, Llc | Systems, devices and methods for urine monitoring |
| CN203001687U (en) * | 2012-12-31 | 2013-06-19 | 王永滨 | Perfusion connector of disposable indwelling catheter |
| CN104782558A (en) * | 2015-03-30 | 2015-07-22 | 安徽张林渔业有限公司 | Novel pond air lift push water circulating running water breeding system |
| CN209376467U (en) * | 2018-10-30 | 2019-09-13 | 大连棒棰岛海参发展有限公司 | A kind of sea cucumber device that can be used to deep-sea and throw seedling |
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| CN110841119A (en) * | 2019-11-24 | 2020-02-28 | 郝东方 | Urinary surgery is catheterization device for clinical operation |
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| CN211068265U (en) * | 2019-09-06 | 2020-07-24 | 唐诗韵 | Drainage bag |
| CN211327230U (en) * | 2019-12-25 | 2020-08-25 | 中国人民解放军总医院 | Urethral catheterization device for postoperative care |
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