CN112972865A - Urethral catheterization device used in urinary surgery - Google Patents

Abstract

Translated fromChinese

本发明公开了一种泌尿外科手术中用的导尿装置，涉及医疗用具技术领域，包括连接块，所述连接块的右端滑动连接有导尿管，所述导尿管的表面固定套接有第一密封圈，所述连接块的左端滑动连接有排尿管，所述排尿管的表面固定套接有第二密封圈，本发明，在固定杆和第一弹簧杆的配合下，提高了导尿管的稳定性，有效的避免了尿液溢出，在限位杆与限位孔配合下，排尿管被限制住，提高了排尿管的稳定性，使排尿管能承受更高的压力，水传动装置可以自动开启输送阀门，使无菌生理盐水自动清理导尿管，不用更换新的导尿管，节省了医疗成本，免去了重新做导尿术的麻烦，防回流装置可以自动阻止尿液回流，提高了装置的安全性。

The invention discloses a urinary catheter used in urological surgery, which relates to the technical field of medical appliances and includes a connecting block, the right end of the connecting block is slidably connected with a urinary catheter, and the surface of the urinary catheter is fixed and sleeved with a The first sealing ring, the left end of the connecting block is slidably connected with a urination tube, and the surface of the urination tube is fixedly sleeved with a second sealing ring. The stability of the urinary tube can effectively avoid the overflow of urine. Under the cooperation of the limit rod and the limit hole, the urinary tube is restricted, which improves the stability of the urinary tube and enables the urinary tube to withstand higher pressure, water and water. The transmission device can automatically open the delivery valve, so that the sterile saline can automatically clean the catheter without replacing a new catheter, which saves medical costs and saves the trouble of re-catheterization. The anti-return device can automatically prevent urine Liquid backflow improves the safety of the device.

Description

Urethral catheterization device used in urinary surgery

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, 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 connectingblock 1, aurinary catheter 2 is slidably connected to the right end of the connectingblock 1, afirst sealing ring 3 is fixedly sleeved on the surface of theurinary catheter 2, aurinary catheter 4 is slidably connected to the left end of the connectingblock 1, asecond sealing ring 5 is fixedly sleeved on the surface of theurinary catheter 4, asterile box 6 is fixedly connected to the top end of the connectingblock 1, sterile normal saline is filled in thesterile box 6, a fixing rod 7 is rotatably connected to the right end of the connectingblock 1, afirst spring rod 8 is fixedly connected to the surface of the fixing rod 7, the other end of thefirst spring rod 8 is fixedly connected to the connectingblock 1, after theurinary catheter 2 is inserted, the fixing rod 7 rotates upwards, thefirst spring rod 8 contracts, the fixing rod 7 tightly clings to theurinary catheter 2 under the action of thefirst spring rod 8, when the urinary catheter, the friction force of the fixing rod 7 on thecatheter 2 is increased along with the increase of the force for driving thecatheter 2 to move rightwards, so that thecatheter 2 cannot leave the connectingblock 1 easily, and the stability of thecatheter 2 is improved.

Inside fixedly connected with fixing device of connectingblock 1, fixing device includes fixed connection at 1 inside gasbag 9 of connecting block, the bottom fixedly connected withgag lever post 10 of gasbag 9,spout 11 has been seted up to the left end of connectingblock 1, the fixed surface ofgag lever post 10 is connected withextension rod 12,extension rod 12's surface and 11 sliding connection of spout,spacing hole 13 has been seted up on the surface ofurination pipe 4, the front ofgag lever post 10 is right trapezoid, the surface and the 1 sliding connection of connecting block ofgag lever post 10, the bottom and thespacing hole 13 in close contact with ofgag lever post 10.

Gaglever post 10 can restricturination tube 4 withspacing hole 13 cooperation, removal abouturination tube 4 can not, makeurination tube 4 can not break away from connectingblock 1, the stability ofurination tube 4 has been improved, makeurination tube 4 can bear higher pressure, holdextension rod 12, therebound extension rod 12,extension rod 12 drivesgag lever post 10 and moves upwards, makegag lever post 10leave spacing hole 13, can remove the fixed tourination tube 4, the flexibility of device has been improved.

The internal rotation of connectingblock 1 is connected with water transmission, water transmission connects at the inside first axis ofrotation 14 of connectingblock 1 including rotating, the fixed surface of first axis ofrotation 14 has cup jointedcarousel 15, the fixed surface of first axis ofrotation 14 has cupjointed line roller 16, the fixed surface ofline roller 16 is connected withfixed rope 17,fixed rope 17 twines on the surface ofline roller 16, the fixed surface ofcarousel 15 is connected withstopper 18, the fixed surface ofcarousel 15 is connected with second axis ofrotation 19,torsion spring 20 has been cup jointed in the surface rotation of second axis ofrotation 19,torsion spring 20's surface rotation has cup jointeddriving vane 21,torsion spring 20's one end and second axis ofrotation 19 fixed connection,torsion spring 20's the other end and drivingvane 21 fixed connection, drivingvane 21's surface and stopper 18 in close contact with.

When urine flows in the connectingblock 1, thetransmission blade 21 has certain resistance to the urine, according to the Newton's third law, thetransmission blade 21 is subjected to reaction forces with opposite directions and the same magnitude, so that the urine can drive thetransmission blade 21 to move, when the urine flows downstream, the urine drives thetransmission blade 21 to move, thetransmission blade 21 rotates clockwise, thetransmission blade 21 cannot transmit force to theturntable 15, theturntable 15 is still in a static state, when the urine flows reversely, thetransmission blade 21 cannot rotate anticlockwise, thetransmission blade 21 can transmit force to theturntable 15, so that theturntable 15 rotates, when the urine flows backwards, theturntable 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 conveyingpipe 22 is arranged inside the connectingblock 1, the top end of the conveyingpipe 22 is fixedly connected with thesterile box 6, the inner side wall of theconveying pipe 22 is rotatably connected with the backflow prevention device, the backflow prevention device comprises a third rotatingshaft 23 rotatably connected to the inner side wall of theconveying pipe 22, animpeller 24 is fixedly sleeved on the surface of the third rotatingshaft 23, asealing plug 25 is rotatably sleeved on the surface of the third rotatingshaft 23, the surface of thesealing plug 25 is fixedly connected with the conveyingpipe 22, liquid in the conveyingpipe 22 cannot overflow from the connecting part of thesealing plug 25 and the third rotatingshaft 23, the sealing performance of the conveyingpipe 22 is guaranteed, sterile physiological saline in thesterile box 6 is effectively prevented from losing, and the safety of the device is improved;

anair cavity 26 is formed inside the connectingblock 1, the left end of the third rotatingshaft 23 penetrates through the conveyingpipe 22 and enters theair cavity 26, ascrew 27 is fixedly connected to the left end of the third rotatingshaft 23, afirst air plug 28 is sleeved on the surface of thescrew 27 in a threaded manner, the surface of thefirst air plug 28 is slidably connected with theair cavity 26, asecond spring rod 29 is fixedly connected to the bottom end of the inside of theair cavity 26, asecond air plug 30 is fixedly connected to the bottom end of thesecond spring rod 29, the surface of thesecond air plug 30 is slidably connected with theair cavity 26, areturn valve 31 is fixedly connected to the bottom end of thesecond air plug 30, a conveying channel is formed in the center of the connectingblock 1, thereturn valve 31 penetrates through the connectingblock 1 and enters the conveying channel in the connectingblock 1, the surface of thereturn valve 31 is slidably connected with the connectingblock 1, thereturn valve 31 can seal the conveying channel in the connectingblock 1, and can, 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 connectingblock 1 hasdelivery valve 32,delivery valve 32's surperficial slip cap machine hasspring 33,delivery valve 32's left end and fixedrope 17 fixed connection, the left end and thedelivery valve 32 fixed connection ofspring 33, the right-hand member and thedelivery valve 32 fixed connection ofspring 33,delivery valve 32's right-hand member passes the inside thatconveyer pipe 22 got intoconveyer pipe 22,delivery valve 32's right-hand member andconveyer pipe 22 in close contact with,delivery valve 32 can sealconveyer pipe 22.

According to the invention, thecatheter 2 is inserted into the urethral orifice of a patient, thecatheter 2 is slowly pushed to enable the top end of thecatheter 2 to enter the bladder of the patient, when urine flows out from the tail end of thecatheter 2, the top end of thecatheter 2 enters the bladder, then thecatheter 2 is slowly pulled outwards until the tail end of thecatheter 2 stops when no urine flows out, thecatheter 2 is pushed to move inwards for two centimeters, the urine flows out from the tail end of thecatheter 2, and the depth of thecatheter 2 is just enough to finish the installation of the catheter.

Insert the end ofcatheter 2 in connectingblock 1 after that, dead lever 7 upwards rotates,first spring beam 8 contracts, under the effect offirst spring beam 8, dead lever 7 pastestight catheter 2, accomplish the fixed tocatheter 2, insert in connectingblock 1 withureter 4 after that,ureter 4 extrudesgag lever post 10,gag lever post 10 moves up, gasbag 9 contracts, when gag lever post 10 movesspacing hole 13 department,ureter 4 no longer extrudesgag lever post 10, gasbag 9 recovers, gasbag 9 drivesgag lever post 10 and gets into in thespacing hole 13, accomplish the fixed toureter 4, slowly open the hemostatic clamp, begin to urinate.

When thecatheter 2 is blocked, the pressure in thecatheter 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 thetransmission blades 21, the urine drives thetransmission blades 21 to rotate, and thetransmission blades 21 drive theturntable 15 to rotate. Theturntable 15 drives thewire roller 16 to rotate, thewire roller 16 takes up the wire, thefixed rope 17 is wound on thewire roller 16, thefixed rope 17 pulls thedelivery valve 32, thedelivery valve 32 moves leftwards, thespring 33 stretches, thedelivery valve 32 is opened, the sterile normal saline in thesterile box 6 enters the connectingblock 1 along thedelivery pipe 22, the sterile normal saline enters thecatheter 2 to flush the inside of thecatheter 2, the sterile normal saline flushes the blocked part of thecatheter 2 and enters the bladder of a patient along thecatheter 2, and thecatheter 2 recovers the function of catheterization.

Meanwhile, the flowing sterile physiological saline drives theimpeller 24 to rotate, theimpeller 24 drives the third rotatingshaft 23 to rotate, the third rotatingshaft 23 drives thescrew 27 to rotate, thefirst air plug 28 moves on thescrew 27, thefirst air plug 28 compresses air in theair cavity 26, air pressure in theair cavity 26 is increased, thesecond air plug 30 moves downwards under the action of the air pressure, thesecond spring rod 29 stretches, thesecond air plug 30 drives thebackflow valve 31 to move downwards, after the bottom end of thebackflow valve 31 is tightly connected with the connectingblock 1, thebackflow valve 31 intercepts backflow urine, the urine cannot pass through thebackflow valve 31, and meanwhile, the sterile physiological saline cannot pass through thebackflow valve 31.

When the normal saline in thesterile box 6 runs out, theimpeller 24 loses driving force, thesecond spring rod 29 recovers, thesecond spring rod 29 drives thesecond air plug 30 to reset, thesecond air plug 30 drives thereturn valve 31 to reset, thereturn valve 31 is opened, the air pressure in thecatheter 2 recovers, the urine stops flowing back, thedriving blade 21 loses driving force, thespring 33 recovers, thespring 33 drives thedelivery valve 32 to reset, thedelivery valve 32 is closed, and the connectingblock 1, thecatheter 2 and theurinary 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 (8)

Translated fromChinese

1.一种泌尿外科手术中用的导尿装置，包括连接块(1)，其特征在于，所述连接块(1)的右端滑动连接有导尿管(2)，所述导尿管(2)的表面固定套接有第一密封圈(3)，所述连接块(1)的左端滑动连接有排尿管(4)，所述排尿管(4)的表面固定套接有第二密封圈(5)，所述连接块(1)的顶端固定连接有无菌箱(6)，所述无菌箱(6)的内部装有无菌生理盐水，所述连接块(1)的右端转动连接有固定杆(7)，所述固定杆(7)的表面固定连接有第一弹簧杆(8)，所述第一弹簧杆(8)的另一端与连接块(1)固定连接，所述连接块(1)的内部固定连接有固定装置，所述限位杆(10)的正面为直角梯形，所述连接块(1)的内部转动连接有水传动装置，所述连接块(1)的内部开设有输送管(22)，所述输送管(22)的顶端与无菌箱(6)固定连接，所述输送管(22)的内侧壁转动连接有防回流装置。1. a urinary catheter used in urological surgery, comprising a connecting block (1), characterized in that the right end of the connecting block (1) is slidably connected with a urinary catheter (2), and the urinary catheter ( 2) A first sealing ring (3) is fixedly sleeved on the surface, the left end of the connecting block (1) is slidably connected with a urination tube (4), and the surface of the urination tube (4) is fixedly sleeved with a second seal Circle (5), the top of the connecting block (1) is fixedly connected with a sterile box (6), the interior of the sterile box (6) is equipped with sterile physiological saline, and the right end of the connecting block (1) A fixed rod (7) is rotatably connected, the surface of the fixed rod (7) is fixedly connected with a first spring rod (8), and the other end of the first spring rod (8) is fixedly connected with the connecting block (1), The interior of the connecting block (1) is fixedly connected with a fixing device, the front surface of the limiting rod (10) is a right-angled trapezoid, the interior of the connecting block (1) is rotatably connected with a water transmission device, and the connecting block ( 1) A conveying pipe (22) is provided inside the conveying pipe (22), the top of the conveying pipe (22) is fixedly connected with the sterile box (6), and the inner side wall of the conveying pipe (22) is rotatably connected with a backflow prevention device.2.根据权利要求1所述的一种泌尿外科手术中用的导尿装置，其特征在于，所述固定装置包括固定连接在连接块(1)内部的气囊(9)，所述气囊(9)的底端固定连接有限位杆(10)，所述连接块(1)的左端开设有滑槽(11)，所述限位杆(10)的表面固定连接有延伸杆(12)，所述延伸杆(12)的表面与滑槽(11)滑动连接，所述排尿管(4)的表面开设有限位孔(13)。2. The urinary catheter used in urological operation according to claim 1, wherein the fixing device comprises an airbag (9) fixedly connected inside the connecting block (1), the airbag (9) ) is fixedly connected to the bottom end of the limit rod (10), the left end of the connecting block (1) is provided with a chute (11), and the surface of the limit rod (10) is fixedly connected with an extension rod (12), so The surface of the extension rod (12) is slidably connected with the chute (11), and the surface of the urination tube (4) is provided with a limiting hole (13).3.根据权利要求2所述的一种泌尿外科手术中用的导尿装置，其特征在于，所述限位杆(10)的表面与连接块(1)滑动连接，所述限位杆(10)的底端与限位孔(13)紧密接触。3. The urinary catheter used in a urological operation according to claim 2, wherein the surface of the limit rod (10) is slidably connected with the connecting block (1), and the limit rod (10) The bottom end of 10) is in close contact with the limiting hole (13).4.根据权利要求1所述的一种泌尿外科手术中用的导尿装置，其特征在于，所述水传动装置包括转动连接在连接块(1)内部的第一转动轴(14)，所述第一转动轴(14)的表面固定套接有转盘(15)，所述第一转动轴(14)的表面固定套接有线辊(16)，所述线辊(16)的表面固定连接有固定绳(17)，所述固定绳(17)缠绕在线辊(16)的表面，所述转盘(15)的表面固定连接有限位块(18)，所述转盘(15)的表面固定连接有第二转动轴(19)，所述第二转动轴(19)的表面转动套接有扭转弹簧(20)，所述扭转弹簧(20)的表面转动套接有传动叶片(21)，所述扭转弹簧(20)的一端与第二转动轴(19)固定连接，所述扭转弹簧(20)的另一端与传动叶片(21)固定连接，所述传动叶片(21)的表面与限位块(18)紧密接触。4. The urinary catheterization device used in urological surgery according to claim 1, wherein the water transmission device comprises a first rotating shaft (14) rotatably connected inside the connecting block (1), so that the The surface of the first rotating shaft (14) is fixedly sleeved with a turntable (15), the surface of the first rotating shaft (14) is fixedly sleeved with a wire roller (16), and the surface of the wire roller (16) is fixedly connected There is a fixed rope (17), the fixed rope (17) is wound on the surface of the wire roller (16), the surface of the turntable (15) is fixedly connected to the limit block (18), and the surface of the turntable (15) is fixedly connected There is a second rotating shaft (19), the surface of the second rotating shaft (19) is rotatably sleeved with a torsion spring (20), and the surface of the torsion spring (20) is rotatably sleeved with a transmission blade (21), so One end of the torsion spring (20) is fixedly connected to the second rotating shaft (19), the other end of the torsion spring (20) is fixedly connected to the transmission blade (21), and the surface of the transmission blade (21) is connected to the limiter The blocks (18) are in close contact.5.根据权利要求1所述的一种泌尿外科手术中用的导尿装置，其特征在于，所述防回流装置包括转动连接在输送管(22)内侧壁的第三转动轴(23)，所述第三转动轴(23)的表面固定套接有叶轮(24)，所述第三转动轴(23)的表面转动套接有密封塞(25)，所述连接块(1)的内部开设有空气腔(26)，所述第三转动轴(23)的左端穿过输送管(22)进入空气腔(26)中，所述第三转动轴(23)的左端固定连接有螺杆(27)，所述螺杆(27)的表面螺纹套接有第一气塞(28)，所述第一气塞(28)的表面与空气腔(26)滑动连接，所述空气腔(26)的内部底端固定连接有第二弹簧杆(29)，所述第二弹簧杆(29)的底端固定连接诶有第二气塞(30)，所述第二气塞(30)的表面与空气腔(26)滑动连接，所述第二气塞(30)的底端固定连接有回流阀门(31)，所述连接块(1)的内部滑动连接有输送阀门(32)，所述输送阀门(32)的表面滑动套机有弹簧(33)。5. The urinary catheter used in a urological operation according to claim 1, wherein the anti-reflux device comprises a third rotating shaft (23) rotatably connected to the inner wall of the delivery tube (22), An impeller (24) is fixedly sleeved on the surface of the third rotating shaft (23), and a sealing plug (25) is rotatably sleeved on the surface of the third rotating shaft (23). An air cavity (26) is opened, the left end of the third rotating shaft (23) enters the air cavity (26) through the conveying pipe (22), and the left end of the third rotating shaft (23) is fixedly connected with a screw ( 27), a first air plug (28) is threadedly sleeved on the surface of the screw (27), and the surface of the first air plug (28) is slidably connected with the air cavity (26), and the air cavity (26) A second spring rod (29) is fixedly connected to the inner bottom end of the second spring rod (29), the bottom end of the second spring rod (29) is fixedly connected with a second air plug (30), and the surface of the second air plug (30) It is slidably connected with the air cavity (26), the bottom end of the second air plug (30) is fixedly connected with a return valve (31), and the interior of the connecting block (1) is slidably connected with a delivery valve (32). The surface sliding sleeve of the delivery valve (32) is provided with a spring (33).6.根据权利要求5所述的一种泌尿外科手术中用的导尿装置，其特征在于，所述密封塞(25)的表面与输送管(22)固定连接，所述输送管(22)内的液体不能从密封塞(25)与第三转动轴(23)的连接处溢出。6. The urinary catheter used in urological surgery according to claim 5, characterized in that the surface of the sealing plug (25) is fixedly connected with the delivery tube (22), and the delivery tube (22) The liquid inside cannot overflow from the connection between the sealing plug (25) and the third rotating shaft (23).7.根据权利要求5所述的一种泌尿外科手术中用的导尿装置，其特征在于，所述连接块(1)的内部中心开设有输送通道，所述回流阀门(31)穿过连接块(1)进入连接块(1)内部的输送通道中，所述回流阀门(31)的表面与连接块(1)滑动连接，所述回流阀门(31)可以将连接块(1)内部的输送通道封住。7. The urinary catheterization device used in urological operation according to claim 5, characterized in that, a delivery channel is opened in the inner center of the connecting block (1), and the return valve (31) is connected through the connection block (1). The block (1) enters the conveying channel inside the connecting block (1), the surface of the return valve (31) is slidably connected with the connecting block (1), and the return valve (31) can connect the inner part of the connecting block (1). The delivery channel is blocked.8.根据权利要求5所述的一种泌尿外科手术中用的导尿装置，其特征在于，所述输送阀门(32)的左端与固定绳(17)固定连接，所述弹簧(33)的左端与输送阀门(32)固定连接，所述弹簧(33)的右端与输送阀门(32)固定连接，所述输送阀门(32)的右端穿过输送管(22)进入输送管(22)的内部，所述输送阀门(32)的右端与输送管(22)紧密接触，所述输送阀门(32)可以将输送管(22)封住。8. The urinary catheter used in a urological operation according to claim 5, wherein the left end of the delivery valve (32) is fixedly connected with the fixing rope (17), and the spring (33) has a The left end is fixedly connected with the delivery valve (32), the right end of the spring (33) is fixedly connected with the delivery valve (32), and the right end of the delivery valve (32) passes through the delivery pipe (22) into the delivery pipe (22). Inside, the right end of the delivery valve (32) is in close contact with the delivery pipe (22), and the delivery valve (32) can seal the delivery pipe (22).

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