CN119770832B - Leakage-proof blocking-proof catheter and application method thereof - Google Patents
Leakage-proof blocking-proof catheter and application method thereofInfo
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- CN119770832B CN119770832B CN202411992621.2A CN202411992621A CN119770832B CN 119770832 B CN119770832 B CN 119770832B CN 202411992621 A CN202411992621 A CN 202411992621A CN 119770832 B CN119770832 B CN 119770832B
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Abstract
本申请涉及医疗器械技术领域，一种防漏防堵导尿管及其应用方法包括导尿管本体、第一气囊和第二气囊，导尿管本体设有出液腔，出液腔设有进液孔，导尿管本体外壁处连接有冲洗注药管，冲洗注药管连接有密封塞，导尿管本体设有进气腔，导尿管本体一侧的外壁处连接有充气管，充气管连接有充气接口，第一气囊连接于导尿管本体外周，进气腔设有第一进气孔，第二气囊连接于导尿管本体外周，第二气囊位于第一气囊远离进液孔的一侧，进气腔设有第二进气孔。第一气囊膨胀抵接膀胱内壁，避免导尿管滑出，第二气囊膨胀贴合尿道内壁，降低尿液泄漏的可能性，通过冲洗注药管向出液腔和膀胱内通入药液，降低血块等杂物堵塞导尿管的可能性，提高导尿管的可靠性。
This application relates to the field of medical device technology, and discloses a leak-proof and anti-clogging urinary catheter and its application method. The catheter body comprises a catheter body, a first balloon, and a second balloon. The catheter body has an outlet chamber with an inlet port. A flushing and medication injection tube is connected to the outer wall of the catheter body and is connected to a sealing plug. The catheter body also has an air inlet chamber. An inflation tube is connected to the outer wall of one side of the catheter body and is connected to an inflation port. The first balloon is connected to the periphery of the catheter body, and the air inlet chamber has a first air inlet. The second balloon is connected to the periphery of the catheter body and is located on the side of the first balloon away from the inlet port. The air inlet chamber has a second air inlet. The first balloon inflates and presses against the inner wall of the bladder to prevent the catheter from slipping out. The second balloon inflates and adheres to the inner wall of the urethra to reduce the possibility of urine leakage. Medication is introduced into the outlet chamber and bladder through the flushing and medication injection tube to reduce the possibility of blood clots or other debris clogging the catheter, thereby improving the reliability of the catheter.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a leakage-proof anti-blocking catheter and an application method thereof.
Background
The catheter is an instrument made of natural rubber, silicone rubber or polyvinyl chloride, and can be inserted into the urinary bladder through the urethra to drain urine. The three-cavity catheter (for example, the publication No. CN206103102U discloses a three-cavity catheter) is provided with a tubular body, one end of the three-cavity catheter is a guide tube head for being inserted into the urethra, the near guide tube head is provided with an air bag, the catheter is fixed in the urethra when the air bag is inflated and is not easy to fall out, the other end of the three-cavity catheter is provided with three pipeline joints, namely an inflation joint, a water injection joint and a urinary catheter joint, the inflation joint is communicated with the air bag through an air bag ventilation pipeline in the tubular body and is used for inflating the air bag, the water injection joint is communicated with a flushing port at the head end of the guide tube through the water injection pipeline in the tubular body and is used for flushing the urinary bladder to prevent urinary infection, and the urinary catheter joint is communicated with the tubular body and is used for being connected with a urine bag to discharge urine.
In addition, due to the unavoidable existence of gaps between the catheter and the urethral orifice, the catheter is kept for a long time, and germs easily enter from the urethral orifice, so that urinary tract infection, cystitis and other symptoms are caused. And because the aperture and the quantity of the drainage openings of the catheter are limited, the effective drainage channel is often easy to be blocked by blood clots, stones and even spasmodic bladder mucosa, so that the drainage is not smooth.
Disclosure of Invention
In order to solve the problems of easy urine leakage and blockage in the use process of the traditional catheter, the application provides a leakage-proof blockage-proof catheter and an application method thereof.
In a first aspect, the application provides a leak-proof anti-blocking catheter, which adopts the following technical scheme:
The utility model provides a leak protection prevents stifled catheter, includes catheter body, first gasbag and second gasbag, the one end of catheter body is equipped with the drain chamber, drain chamber is kept away from the chamber wall department of drain chamber mouth one end and is equipped with the inlet port, the inlet port is linked together with the external world, catheter body is kept away from the outer wall department of inlet port one side and is connected with washes the injection tube, it is equipped with the inlet channel to wash the injection tube, the inlet channel is linked together with the drain chamber, it is connected with the sealing plug to wash the one end that the injection tube kept away from catheter body, catheter body is equipped with the inlet chamber, catheter body is close to the outer wall department of washing injection tube one side and is connected with the gas tube, the gas tube is equipped with the inlet channel, the inlet channel is linked together with the inlet chamber, the one end that catheter body was kept away from to the gas tube is connected with the inflation interface, first gasbag is connected with the catheter body periphery, inlet chamber wall department is equipped with first inlet port and first gasbag inboard are linked together, second gasbag periphery, first gasbag is located the inlet port inboard is linked together with the second gasbag inboard, the inlet port is located to the second gasbag inboard.
Through adopting above-mentioned technical scheme, from inflating the interface and aerifing, gas passes through the inlet channel, the inlet chamber, first inlet port and second inlet port get into first gasbag and second gasbag inboard for first gasbag and second gasbag inflation, first gasbag outer wall butt bladder inner wall avoids the catheter roll-off, inserts the catheter again and causes the secondary injury to the patient, second gasbag outer wall laminating urethra inner wall improves the sealed effect between catheter and the urethra, reduces the possibility that urine leaked, sets up to wash the injection pipe, and accessible washes injection pipe and lets in the liquid medicine in to liquid chamber and the bladder, reduces the possibility that debris such as blood clot blockked up the catheter, improves the reliability of catheter.
Preferably, the second air bags are arranged in a plurality, the second air bags are distributed at intervals along the length direction of the catheter body, and the number of the second air inlets is the same as that of the second air bags and corresponds to that of the second air bags one by one.
Through adopting above-mentioned technical scheme, set up a plurality of second gasbags for laminating urethra inner wall after every second gasbag inflation, thereby improve the sealing performance of whole catheter in the urethra, reduce the emergence of leaking urine phenomenon, improve the reliability of catheter, disperse the pressure of second gasbag to urethra inner wall effectively, avoid local oppression too strong tissue damage that leads to, further promote patient's comfort level and security.
Preferably, the catheter further comprises a funnel and a third air bag, wherein the funnel is connected to the periphery of the catheter body, the inner wall of the funnel is attached to the outer wall of the catheter body, the third air bag is connected to one side, far away from the first air bag, of the funnel, the third air bag is connected with a connecting pipe, a third air inlet hole is formed in the cavity wall of the air inlet cavity, and one end, far away from the third air bag, of the connecting pipe is communicated with the third air inlet hole.
Through adopting above-mentioned technical scheme, funnel laminating patient skin surface for accept the little liquid that the urethra spills, keep the environment clean and tidy, improve patient's comfort level and use experience, the third gasbag is convenient for medical personnel observe, judges whether first gasbag and second gasbag leak gas, improves the reliability of catheter.
Preferably, the catheter further comprises a connecting sleeve and a fixing bolt, wherein the connecting sleeve is coaxially connected to the periphery of the catheter body, a connecting ring is coaxially connected to one side, far away from the first air bag, of the funnel, the connecting ring is coaxially and slidably connected to the periphery of the connecting sleeve, the connecting ring is provided with a fixing hole, the fixing bolt is in threaded connection with the fixing hole, and one end of the fixing bolt abuts against the outer wall of the connecting sleeve after penetrating through the fixing hole.
Through adopting above-mentioned technical scheme, the setting of connecting sleeve and fixing bolt makes the funnel can follow catheter body free adjustment position to fix the funnel on suitable position through fixing bolt, ensure that the funnel inner wall closely laminates patient's skin surface, improve catheter's application scope and reliability.
Preferably, the catheter further comprises a sealing plate, a first connecting rope and a first resetting piece, wherein the sealing plate is slidably connected to the catheter body, the sliding direction of the sealing plate is parallel to the length direction of the catheter, the sealing plate is used for sealing the first air inlet hole, the second air inlet hole or the third air inlet hole, one end of the first connecting rope is connected to the inner wall of the first air bag, the other end of the first connecting rope is connected to the sealing plate, the sealing plate is provided with a second communication hole and a third communication hole, when the first air bag expands, the sealing plate seals the first air inlet hole, the second communication hole is communicated with the second air inlet hole, the third communication hole is communicated with the third air inlet hole, and the first resetting piece is connected between the sealing plate and the catheter body and enables the sealing plate to have a trend of sealing the second air inlet hole and the third air inlet hole.
Through adopting above-mentioned technical scheme, the closure plate realizes that first gasbag and second gasbag and third gasbag inflate step by step, after first gasbag is inflated and is accomplished, drive the closure plate through first connecting rope and slide, realize the closure of first gasbag, make second intercommunicating pore and second inlet port be linked together, the third inlet port is linked together with the third inlet port, and then inflate second gasbag and third gasbag, before second gasbag and third gasbag expand completely, adjust the catheter earlier, make first gasbag support tight bladder inner wall, funnel butt patient skin, realize the relative fixation of catheter and patient, reduce the catheter and rock the possibility that causes the damage to the urethra inner wall, improve the security of catheter.
Preferably, the catheter further comprises a second connecting rope and a pull ring, one end of the second connecting rope is connected to the sealing plate, the other end of the second connecting rope penetrates through the catheter body and then stretches out of the catheter body, and the pull ring is connected to the other end of the second connecting rope.
Through adopting above-mentioned technical scheme, set up second and connect rope and pull ring, when being convenient for take out the catheter, the finger passes the pull ring, and the pulling second connects the rope, drives the closure plate and slides, realizes first gasbag and inlet chamber intercommunication, deflates first gasbag, improves the convenience of catheter.
Preferably, the device further comprises an extrusion plate and a second resetting piece, wherein the convex ring is coaxially connected to one side of the funnel, which is close to the connecting ring, the convex ring is located on the outer side of the connecting ring, the third air bag is embedded on the inner side of the convex ring, the outer wall of the third air bag is attached to the inner wall of the convex ring, the outer wall of the connecting ring and one side surface of the funnel, which is close to the convex ring, of the funnel, the extrusion plate is coaxially and slidably embedded on the inner side of the convex ring, the extrusion plate is abutted to the third air bag, which is far away from one side surface of the first air bag, the second resetting piece is connected between the extrusion plate and the convex ring, and the second resetting piece enables the extrusion plate to have a trend of being close to the funnel.
Through adopting above-mentioned technical scheme, when urethra inner wall and second gasbag outer wall separation, the stripper plate extrudees the third gasbag under the effect of second reset piece elasticity for gas in the third gasbag gets into in the second gasbag through third inlet port, air inlet chamber and second inlet port, makes, and the laminating urethra inner wall is laminated in the inflation of second gasbag, improves the leakproofness between catheter and the urethra, reduces the possibility of leaking urine, improves the reliability when now.
Preferably, the liquid outlet cavity comprises a liquid outlet cavity wall, and the liquid outlet cavity is provided with a liquid outlet cavity wall.
Through adopting above-mentioned technical scheme, set up the support frame, improve the structural strength of catheter, reduce urine or gaseous extrusion catheter for play liquid chamber cross-sectional area reduces, leads to the possibility of catheter jam, improves the reliability of catheter.
In a second aspect, the application provides an application method of the leak-proof anti-blocking catheter, which adopts the following technical scheme:
An application method of a leakage-proof anti-blocking catheter comprises the following steps,
S1, inserting a tube, extending one end of the catheter body close to the liquid inlet into the bladder through the urethra, connecting the drainage tube with the other end of the catheter body,
S2, inflating and fixing, inflating the inflatable tube through an inflation interface, enabling gas to enter the first air bag through the first air inlet hole, enabling the first air bag to expand, pulling the sealing plate to slide through the first connecting rope, enabling the sealing plate to seal the first air inlet hole, enabling the second air inlet hole to be communicated with the second communication hole, enabling the third air inlet hole to be communicated with the third communication hole, pulling the catheter body to enable the first air bag to be abutted against the inner wall of the bladder,
S3, adjusting the funnel, loosening the fixing bolt, sliding the funnel to enable the inner wall of the funnel to be attached to the skin surface of a patient, screwing the fixing bolt to enable the fixing bolt to be abutted against the outer wall of the connecting sleeve,
And S4, inflating and sealing, namely continuously inflating the inflatable tube, enabling gas to enter the second air bag and the third air bag through the second air inlet hole and the third air inlet hole, enabling the second air bag to be attached to the inner wall of the urethra, and sealing between the catheter body and the urethra.
By adopting the technical scheme, the placement of the catheter is realized through the distribution operation, the possibility of damage to a patient in the placement and use processes of the catheter is reduced, and the reliability and safety of the catheter are improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The inflatable interface is inflated, gas enters the inner sides of the first air bag and the second air bag through the air inlet channel, the air inlet cavity, the first air inlet hole and the second air inlet hole, so that the first air bag and the second air bag are inflated, the outer wall of the first air bag is abutted against the inner wall of the bladder, the urinary catheter is prevented from sliding out, secondary injury to a patient caused by reinsertion of the urinary catheter, the outer wall of the second air bag is abutted against the inner wall of the urethra, the sealing effect between the urinary catheter and the urethra is improved, the possibility of urine leakage is reduced, the flushing and medicine injection pipe is arranged, liquid medicine can be introduced into the liquid outlet cavity and the bladder through the flushing and medicine injection pipe, the possibility of blocking the urinary catheter by sundries such as blood clots is reduced, and the reliability of the urinary catheter is improved;
2. The funnel is attached to the skin surface of a patient and is used for receiving a small amount of liquid leaked from the urethra, keeping the environment clean, improving the comfort level and the use experience of the patient, and the third air bag is convenient for medical staff to observe, judging whether the first air bag and the second air bag leak or not, and improving the reliability of the catheter;
3. The sealing plate realizes that the first air bag is inflated step by step with second gasbag and third gasbag, after the first gasbag is inflated and is accomplished, drive the sealing plate through first connecting rope and slide, realize the closure of first gasbag, make second intercommunicating pore and second inlet port be linked together, the third inlet port is linked together with the third inlet port, and then inflate second gasbag and third gasbag, before second gasbag and third gasbag expand completely, adjust the catheter earlier, make first gasbag support tight bladder inner wall, funnel butt patient skin, realize the relative fixation of catheter and patient, reduce the catheter and rock the possibility that causes the damage to the urethra inner wall, improve the security of catheter.
Drawings
FIG. 1 is a cross-sectional view of a leak-proof, anti-blocking urinary catheter.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is an enlarged view at B in fig. 1.
Fig. 4 is a partial structural schematic view of the support frame.
Fig. 5 is an enlarged view at C in fig. 1.
Fig. 6 is a flow chart of a method of leak-proof and anti-blocking urinary catheter application.
Reference numerals illustrate:
1. The catheter comprises a catheter body, 11 parts of a liquid outlet cavity, 12 parts of a liquid inlet hole, 13 parts of a flushing medicine injection pipe, 14 parts of a liquid inlet channel, 15 parts of a sealing plug, 16 parts of an air inlet cavity, 17 parts of an air inflation pipe, 18 parts of an air inlet channel, 19 parts of an air inflation interface, 110 parts of a first air inlet hole, 111 parts of a second air inlet hole, 112 parts of a third air inlet hole, 113 parts of a mounting groove, 114 parts of a communicating groove, 115 parts of a first annular groove, 116 parts of a second annular groove, 117 parts of a sliding groove, 118 parts of a connecting groove, 119 parts of a connecting channel;
2. A first air bag;
3. Leak-proof components 31, second air bags 32, funnels 321, connecting rings 3211, fixing holes 3212, connecting columns 322, convex rings 3221, third annular grooves 3222, caulking grooves 33, third air bags 331, connecting pipes 34, fixing bolts 35, extruding plates 351, grooves 352, caulking blocks 36, second reset pieces;
4. 41, limit groove;
5. The device comprises a closing component, a closing plate, 511, a second communication hole, 512, a third communication hole, 513, a connecting block, 52, a first connecting rope, 53, a first resetting piece, 54, a second connecting rope, 55 and a pull ring;
6. The support frame, 61, the support ring, 62, the connecting strip.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the embodiment of the application discloses a leakage-proof anti-blocking catheter, which comprises a catheter body 1, wherein a liquid outlet cavity 11 is formed in one end of the catheter body 1 along the length direction of the catheter body 1, liquid inlet holes 12 are formed in one side, far away from a liquid outlet cavity 11, of the liquid outlet cavity 11, a plurality of liquid inlet holes 12 are formed, and the liquid inlet holes 12 are distributed at intervals around the axis direction of the catheter body 1. In this embodiment, two liquid inlet holes 12 are provided, and the two liquid inlet holes 12 are symmetrically distributed along the direction perpendicular to the axis of the catheter body 1.
Referring to fig. 1 and 2, the catheter body 1 is fixedly connected with a flushing injection pipe 13 along the outer wall of one side of the catheter length direction away from the liquid inlet 12, the flushing injection pipe 13 is provided with a liquid inlet channel 14, the liquid inlet channel 14 is communicated with the liquid outlet cavity 11, and one end of the flushing injection pipe 13 away from the catheter body 1 is fixedly connected with a sealing plug 15. The catheter body 1 is provided with an air inlet cavity 16, the air inlet cavity 16 is located at one side of the containing cavity far away from the liquid inlet channel 14, the catheter body 1 is fixedly connected with an inflation tube 17 along the outer wall of one side of the catheter body 1, which is close to the flushing and medicine injection tube 13, in the length direction, and the inflation tube 17 is located at one side of the catheter body 1 far away from the flushing and medicine injection tube 13. The air charging tube 17 is provided with an air inlet channel 18, the air inlet channel 18 is communicated with the air inlet cavity 16, and the air charging interface 19 is fixedly connected to one end of the air charging tube 17 far away from the catheter body 1.
Referring to fig. 3 and 4, a leak-proof and anti-blocking urinary catheter further comprises a support stand 6, the support stand 6 comprising a support ring 61 and a connecting strip 62. The wall of the liquid outlet cavity 11 is provided with a plurality of mounting grooves 113, the mounting grooves 113 are annular, and the plurality of mounting grooves 113 are uniformly distributed along the length direction of the catheter body 1. The number of the supporting rings 61 is the same as the number of the mounting grooves 113 and corresponds to one by one, the supporting rings 61 are embedded in the mounting grooves 113, the length direction of the connecting strip 62 is parallel to the length direction of the catheter body 1, the connecting strip 62 is fixedly connected with the supporting rings 61, the connecting strip 62 is provided with three, and the three supporting strips are uniformly distributed around the axial line circumference of the supporting rings 61. The cavity wall of the liquid outlet cavity 11 is provided with communication grooves 114, the number of the communication grooves 114 is the same as that of the supporting bars, and the supporting bars are embedded in the communication grooves 114 in a one-to-one correspondence manner.
Referring to fig. 1 and 3, a leakage-proof anti-blocking catheter further comprises a first air bag 2, a first annular groove 115 is coaxially arranged on the periphery of one side of the catheter body 1, which is close to the liquid inlet 12, and two ends of the first air bag 2 are fixedly connected to two side groove walls of the first annular groove 115 along the length direction of the catheter body 1 respectively. When the inner side of the first balloon 2 is not inflated, the outer wall of the first balloon 2 is flush with the outer wall of the catheter body 1. The wall of the air inlet cavity 16, which is far away from the accommodating cavity, is provided with a first air inlet hole 110, and the first air inlet hole 110 is communicated with the inner side of the first air bag 2.
The leakage-proof anti-blocking catheter further comprises a leakage-proof assembly 3, a second annular groove 116 is coaxially arranged at the outer wall of the catheter body 1, the second annular groove 116 is located at one side, far away from the liquid inlet 12, of the first annular groove 115, a plurality of second annular grooves 116 are arranged, and the plurality of second annular grooves 116 are distributed at intervals along the length direction. In this embodiment, three second ring grooves 116 are provided, and the three second ring grooves 116 are uniformly distributed along the length direction of the catheter body 1. The leak-proof assembly 3 comprises second air bags 31, the number of the second air bags 31 is the same as that of the second annular grooves 116, and the two ends of the second air bags 31 are respectively and fixedly connected with two side groove walls of the second annular grooves 116 along the length direction of the catheter body 1. When the inner side of the second balloon 31 is not inflated, the outer wall of the second balloon 31 is flush with the outer wall of the catheter body 1. The wall of the air inlet cavity 16, which is far away from the accommodating cavity, is provided with second air inlet holes 111, the number of the second air inlet holes 111 is the same as that of the second air bags 31 and corresponds to that of the second air bags 31 one by one, and the second air inlet holes 111 are communicated with the inner side of the second air bags 31.
Referring to fig. 5, a leak-proof and anti-blocking catheter further comprises a connecting sleeve 4, the connecting sleeve 4 is coaxially and fixedly connected to the periphery of the catheter body 1, the inner wall of the connecting sleeve 4 is attached to the outer wall of the catheter body 1, and the connecting sleeve 4 is located on one side, away from the first air bag 2, of the second air bag 31. The leak prevention assembly 3 further includes a funnel 32 and a fixing bolt 34. The funnel 32 is coaxially and slidably connected to the periphery of the catheter body 1, the funnel 32 is gradually reduced along the sliding direction of the funnel 32 towards the side far away from the second air bag 31, and the inner wall of the funnel 32 on the side close to the first air bag 2 is attached to the outer wall of the catheter body 1. The funnel 32 is kept away from the coaxial fixedly connected with go-between 321 of one side of second gasbag 31, go-between 321 sliding connection in the periphery of adapter sleeve 4, go-between 321 inner wall laminating mutually with adapter sleeve 4 outer wall. The connecting ring 321 is away from funnel 32 one side fixedly connected with spliced pole 3212, and the length direction of spliced pole 3212 is perpendicular to the slip direction of connecting ring 321, and spliced pole 3212 is located the inside and outside both sides of connecting ring 321 along spliced pole 3212 length direction's both ends. The outer wall of the connecting sleeve 4 is provided with a limit groove 41, the connecting column 3212 is slidably embedded in the limit groove 41, the sliding direction of the connecting column 3212 is parallel to the sliding direction of the connecting ring 321, and the outer wall of the connecting column 3212 is attached to the wall of the limit groove 41. The connecting post 3212 is coaxially provided with a fixing hole 3211, the fixing bolt 34 is connected to the fixing hole 3211 in a threaded manner, and one end of the fixing bolt 34 passes through the fixing hole 3211 and then abuts against the bottom of the limiting groove 41.
The leakage prevention module 3 further includes a third air bladder 33, a pressing plate 35, and a second restoring member 36. The funnel 32 is close to the coaxial fixedly connected with bulge loop 322 of periphery of bulge loop 321 one side, and bulge loop 322 is located the bulge loop 321 outside, and third gasbag 33 inlays in bulge loop 322 inboard, and third gasbag 33 outer wall is laminated mutually with bulge loop 322 inner wall, bulge loop 321 outer wall and funnel 32 are kept away from one side surface of second gasbag 31. The extrusion plate 35 is coaxially and slidably embedded in the inner side of the convex ring 322, a third annular groove 3221 is arranged at the inner wall of one end of the convex ring 322 far away from the funnel 32, the extrusion plate 35 is slidably embedded in the third annular groove 3221, and the outer wall of the extrusion plate 35 is attached to the wall of the third annular groove 3221. The side of the squeeze plate 35 near the funnel 32 is provided with a groove 351, and the outer wall of the third air bag 33 abuts against the bottom of the groove 351. The convex ring 322 is provided with a plurality of caulking grooves 3222, the caulking grooves 3222 are positioned outside the third annular groove 3221, the caulking grooves 3222 are communicated with the third annular groove 3221, the caulking grooves 3222 extend along the axis direction of the convex ring 322, and the caulking grooves 3222 are circumferentially distributed at intervals around the axis of the convex ring 322. In this embodiment, four grooves 3222 are provided, and the four grooves 3222 are uniformly distributed circumferentially around the axis of the convex ring 322. The periphery of the squeeze plate 35 is fixedly connected with an embedded block 352, and the number of the embedded block 352 and the second reset piece 36 is the same as that of the embedded grooves 3222 and corresponds to one another. The insert 352 is slidably fitted into the insert groove 3222, and the sliding direction of the insert 352 is parallel to the sliding direction of the pressing plate 35. The second return member 36 is connected between the collar 322 and the insert 352, the second return member 36 providing a tendency for the compression plate 35 to approach the funnel 32. In this embodiment, the second restoring member 36 is a spring, one end of the second restoring member 36 is connected to the groove wall of the caulking groove 3222 near one side of the funnel 32, and the other end of the second restoring member 36 is connected to the surface of the caulking block 352 near one side of the funnel 32. The side of the third air bag 33, which is far away from the funnel 32, is fixedly connected with a connecting pipe 331, a third air inlet 112 is arranged at the cavity wall of the side, which is far away from the accommodating cavity, of the air inlet cavity 16, the third air inlet 112 is positioned at the side, which is far away from the second air bag 31, of the connecting sleeve 4, the other end of the connecting pipe 331 penetrates through the extrusion plate 35 and is fixedly connected to the outer wall of the catheter body 1, and the connecting pipe 331 is communicated with the third air inlet 112.
Referring to fig. 1 and 3, a leak-proof and anti-blocking urinary catheter further comprises a closure assembly 5, the closure assembly 5 comprising a closure plate 51. The catheter body 1 is provided with a chute 117, and the chute 117 is communicated with the first air inlet hole 110, the second air inlet hole 111 and the third air inlet hole 112. The closing plate 51 is slidably embedded in the chute 117, the sliding direction of the closing plate 51 is parallel to the length direction of the catheter body 1, and the side wall of the closing plate 51 is attached to the wall of the chute 117. The closing plate 51 serves to close the first air intake hole 110, the second air intake hole 111, or the third air intake hole 112.
Referring to fig. 3 and 5, the closing plate 51 is provided with second communication holes 511 and third communication holes 512, the number of the second communication holes 511 is the same as and corresponds to the number of the second air intake holes 111 one by one, the second communication holes 511 are used for communicating with the second air intake holes 111, and the third communication holes 512 are used for communicating with the third air intake holes 112. When the first air bag 2 is inflated, the closing plate 51 closes the first air intake hole 110, the second communication hole 511 communicates with the second air intake hole 111, and the third communication hole 512 communicates with the third air intake hole 112. A connecting groove 118 is arranged at the groove wall of one side of the sliding groove 117 far away from the air inlet cavity 16, a connecting block 513 is fixedly connected to the surface of one side of the closing plate 51 far away from the air inlet cavity 16, the connecting block 513 is slidably embedded in the connecting groove 118, and the sliding direction of the connecting block 513 is parallel to the sliding direction of the closing plate 51. The closure assembly 5 further comprises a first connecting cord 52. One end of the first connecting rope 52 is fixedly connected to the inner wall of the first air bag 2, and the other end of the first connecting rope 52 is fixedly connected to the surface of one side, close to the liquid inlet hole 12, of the connecting block 513.
Referring to fig. 5, the closure assembly 5 further includes a first restoring member 53, a second connecting cord 54, and a pull ring 55. One end of the second connecting rope 54 is fixedly connected to one end of the closing plate 51 far away from the liquid inlet 12, a connecting channel 119 is arranged at the groove wall of one side of the chute 117 far away from the liquid inlet 12, the connecting channel 119 is communicated with the outside, one end of the connecting channel 119 far away from the chute 117 is located at one side of the third air inlet 112 far away from the connecting sleeve 4, the other end of the second connecting rope 54 penetrates through the connecting channel 119 and then stretches out of the catheter body 1, a pull ring 55 is fixedly connected to one end of the second connecting rope 54 far away from the closing plate 51, and the pull ring 55 is used for finger embedding. The first return member 53 is connected between the closing plate 51 and the catheter body 1, the first return member 53 causing the closing plate 51 to have a tendency to close the second inlet aperture 111 and the third inlet aperture 112. In this embodiment, the first restoring member 53 is a spring, the first restoring member 53 is sleeved on the outer periphery of the second connecting rope 54, one end of the first restoring member 53 is connected to one end of the closing plate 51 away from the liquid inlet 12, and the other end of the first restoring member 53 is connected to the chute 117 away from a side wall of the liquid inlet 12.
When the leakage-proof anti-blocking catheter is used, one end, close to the liquid inlet hole 12, of the catheter body 1 stretches into the bladder through the urethra, air is inflated through the inflation interface 19, air enters the inner side of the first air bag 2 through the air inlet channel 18, the air inlet cavity 16 and the first air inlet hole 110, the first air bag 2 expands, the sealing plate 51 is pulled to slide through the connecting rope, when the sealing plate 51 seals the first air inlet hole 110, the second communication hole 511 is communicated with the second air inlet hole 111, and the third communication hole 512 is communicated with the third air inlet hole 112.
Continuing ventilation, the second balloon 31 and the third balloon 33 are inflated, the outer wall of the second balloon 31 is attached to the inner wall of the urethra, and the third balloon 33 pushes the extrusion plate 35 to slide against the elastic force of the second resetting piece 36.
The fixing bolt 34 is loosened, the funnel 32 is slid to be close to the patient, the funnel 32 is attached to the skin surface of the patient, the fixing bolt 34 is screwed down, the fixing bolt 34 is abutted against the bottom of the limiting groove 41, and the funnel 32 and the connecting sleeve 4 are relatively fixed.
When the urethra is expanded, the pressure of the second balloon 31 is reduced, the extrusion plate 35 slides and extrudes the third balloon 33 under the action of the elastic force of the second resetting piece 36, and the air in the third balloon 33 enters the second balloon 31 through the third air inlet hole 112, the air inlet cavity 16 and the second air inlet hole 111, so that the outer wall of the second balloon 31 keeps fit with the inner wall of the urethra.
When the catheter needs to be taken out, the air is pumped through the air charging interface 19, the second air bag 31 and the third air bag 33 are contracted, after the second air bag 31 and the third air bag 33 are completely contracted, the second connecting rope 54 is pulled through the pull ring 55 to drive the sealing plate 51 to slide, the inner side of the first air bag 2 is communicated with the air inlet cavity 16 through the first air inlet hole 110, the air charging interface 19 is continuously pumped, the first air bag 2 is embedded into the first annular groove 115, and the catheter body 1 is pumped out.
Referring to fig. 6, the embodiment of the application also discloses an application method of the leakage-proof and blockage-proof catheter, which comprises the following steps,
S1, intubation, one end of the catheter body 1, which is close to the liquid inlet hole 12, stretches into the bladder through the urethra, and a drainage tube is connected with the other end of the catheter body 1;
S2, inflating and fixing, namely inflating the inflatable tube 17 through the inflation interface 19, enabling gas to enter the first airbag 2 through the first air inlet holes 110, inflating the first airbag 2, pulling the sealing plate 51 to slide through the first connecting rope 52, sealing the first air inlet holes 110 through the sealing plate 51, enabling the second air inlet holes 111 to be communicated with the second communication holes 511, enabling the third air inlet holes 112 to be communicated with the third communication holes 512, and pulling the catheter body 1 to enable the first airbag 2 to be abutted against the inner wall of the bladder;
S3, adjusting the funnel 32, loosening the fixing bolt 34, sliding the funnel 32 to enable the inner wall of the funnel 32 to be attached to the skin surface of a patient, and screwing the fixing bolt 34 to enable the fixing bolt 34 to be abutted against the outer wall of the connecting sleeve 4;
And S4, inflating and sealing, namely continuously inflating the inflatable tube 17, enabling gas to enter the second air bag 31 and the third air bag 33 through the second air inlet hole 111 and the third air inlet hole 112, enabling the second air bag 31 to be attached to the inner wall of the urethra, and sealing between the catheter body 1 and the urethra.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (7)
1. A leak-proof anti-blocking catheter is characterized by comprising a catheter body (1), a first air bag (2) and a second air bag (31), wherein a liquid outlet cavity (11) is formed in one end of the catheter body (1), a liquid inlet hole (12) is formed in the position, far away from one end of a liquid outlet cavity (11), of a cavity wall of the liquid outlet cavity (11), the liquid inlet hole (12) is communicated with the outside, a flushing medicine injection pipe (13) is connected to the position, far away from one side of the liquid inlet hole (12), of the catheter body (1), a liquid inlet channel (14) is formed in the flushing medicine injection pipe (13), the liquid inlet channel (14) is communicated with the liquid outlet cavity (11), a sealing plug (15) is connected to one end, far away from the catheter body (1), of the catheter body (1), an air inlet cavity (16) is formed in the position, near one side of the flushing medicine injection pipe (13), of the outer wall, of the catheter body (1), an air inlet channel (18) is formed in the position, near one side of the flushing medicine injection pipe (13), a flushing medicine injection pipe (13) is connected to the outer wall of the catheter body (16), a liquid inlet channel (14) is formed in the position, near the one side of the catheter body (1), the air inlet cavity (16) is connected to the air inlet hole (16), is connected to the air inlet hole (15) and is formed in the position, far away from the first air inlet cavity (1, near the side of the catheter (1 110 The catheter comprises a catheter body (1), a first air inlet (110), a second air bag (31), a second air inlet (111) and a second air inlet (111), wherein the first air inlet is communicated with the inner side of the first air bag (2), the second air bag (31) is connected to the periphery of the catheter body (1), the second air bag (31) is positioned at one side of the first air bag (2) far away from a liquid inlet (12), the second air inlet (111) is arranged at the cavity wall of the air inlet cavity (16), and the second air inlet (111) is communicated with the inner side of the second air bag (31);
The air inlet device further comprises a funnel (32) and a third air bag (33), wherein the third air bag (33) is connected to one side, far away from the first air bag (2), of the funnel (32), the third air bag (33) is connected with a connecting pipe (331), a third air inlet hole (112) is formed in the cavity wall of the air inlet cavity (16), and one end, far away from the third air bag (33), of the connecting pipe (331) is communicated with the third air inlet hole (112);
a connecting ring (321) is coaxially connected to one side of the funnel (32) far away from the first air bag (2);
the novel air bag type air bag device comprises a hopper (32), and is characterized by further comprising an extrusion plate (35) and a second reset piece (36), wherein a convex ring (322) is coaxially connected to one side, close to a connecting ring (321), of the hopper (32), the convex ring (322) is located on the outer side of the connecting ring (321), a third air bag (33) is embedded into the inner side of the convex ring (322), the outer wall of the third air bag (33) is attached to the inner wall of the convex ring (322), the outer wall of the connecting ring (321) and one side, close to the convex ring (322), of the hopper (32), the extrusion plate (35) is coaxially and slidably embedded into the inner side of the convex ring (322), the extrusion plate (35) abuts against one side, far from the first air bag (2), of the third air bag (33) is connected between the extrusion plate (35) and the convex ring (322), and the second reset piece (36) enables the extrusion plate (35) to have a trend of approaching the hopper (32).
2. The leakage-proof blocking-proof catheter as set forth in claim 1, wherein the second air bags (31) are provided in a plurality, the second air bags (31) are distributed at intervals along the length direction of the catheter body (1), and the number of the second air inlets (111) is the same as the number of the second air bags (31) and corresponds to one by one.
3. The leakage-proof and blockage-proof catheter according to claim 1, wherein the funnel (32) is connected to the periphery of the catheter body (1), and the inner wall of the funnel (32) is attached to the outer wall of the catheter body (1).
4. The leakage-proof anti-blocking catheter according to claim 3, further comprising a connecting sleeve (4) and a fixing bolt (34), wherein the connecting sleeve (4) is coaxially connected to the periphery of the catheter body (1), the connecting ring (321) is coaxially and slidably connected to the periphery of the connecting sleeve (4), the connecting ring (321) is provided with a fixing hole (3211), the fixing bolt (34) is in threaded connection with the fixing hole (3211), and one end of the fixing bolt (34) abuts against the outer wall of the connecting sleeve (4) after penetrating through the fixing hole (3211).
5. The leakage-proof and blockage-proof urinary catheter according to claim 4, further comprising a sealing plate (51), a first connecting rope (52) and a first resetting piece (53), wherein the sealing plate (51) is connected to the urinary catheter body (1) in a sliding mode, the sliding direction of the sealing plate (51) is parallel to the length direction of the urinary catheter, the sealing plate (51) is used for sealing a first air inlet hole (110), a second air inlet hole (111) or a third air inlet hole (112), one end of the first connecting rope (52) is connected to the inner wall of the first air inlet hole (2), the other end of the first connecting rope (52) is connected to the sealing plate (51), the sealing plate (51) is provided with a second communication hole (511) and a third communication hole (512), when the first air inlet hole (2) is inflated, the sealing plate (51) seals the first air inlet hole (110), the second communication hole (511) is communicated with the second air inlet hole (111), the third communication hole (512) is communicated with the third air inlet hole (112), and the first resetting piece (53) is connected to the sealing plate (1) and the resetting piece (53) has a trend to seal between the first air inlet hole (112) and the sealing plate (1).
6. The leakage-proof and blockage-proof urinary catheter according to claim 5, further comprising a second connecting rope (54) and a pull ring (55), wherein one end of the second connecting rope (54) is connected to the closing plate (51), the other end of the second connecting rope (54) penetrates through the urinary catheter body (1) and then extends out of the urinary catheter body (1), and the pull ring (55) is connected to the other end of the second connecting rope (54).
7. The leakage-proof blocking-proof catheter as claimed in claim 1, further comprising a supporting frame (6), wherein a mounting groove (113) is formed in the cavity wall of the liquid outlet cavity (11), and the supporting frame (6) is embedded in the mounting groove (113).
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| CN202411992621.2A CN119770832B (en) | 2024-12-31 | 2024-12-31 | Leakage-proof blocking-proof catheter and application method thereof |
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| CN202411992621.2A CN119770832B (en) | 2024-12-31 | 2024-12-31 | Leakage-proof blocking-proof catheter and application method thereof |
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| CN119770832B true CN119770832B (en) | 2025-11-11 |
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| CN109675176A (en) * | 2019-02-28 | 2019-04-26 | 河南亚都实业有限公司 | A kind of cervical dilatation foley's tube facilitating feed liquor |
| CN213099927U (en) * | 2020-06-29 | 2021-05-04 | 南宁市第一人民医院 | Urinary bladder irrigation catheter |
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| US6796960B2 (en) * | 2001-05-04 | 2004-09-28 | Wit Ip Corporation | Low thermal resistance elastic sleeves for medical device balloons |
| CN204219581U (en) * | 2014-10-16 | 2015-03-25 | 李连伟 | Novel gastric lavage stomach tube |
| CN119454032A (en) * | 2018-04-02 | 2025-02-18 | 波特雷罗医疗公司 | Systems, devices and methods for draining and analyzing body fluids and assessing health |
| CN113289219A (en) * | 2021-05-24 | 2021-08-24 | 浙江百获健康科技有限公司 | Device for pressing prostate in urethra |
| CN113975478A (en) * | 2021-10-28 | 2022-01-28 | 广西医科大学第一附属医院 | Catheter |
| CN115281677B (en) * | 2022-07-22 | 2024-06-14 | 广州兰韵医疗科技有限公司 | Leak-proof pressure measuring catheter |
| CN116328158B (en) * | 2023-03-25 | 2026-03-17 | 浙江百获健康科技有限公司 | A head-embedded medical catheter |
| CN221266786U (en) * | 2023-09-05 | 2024-07-05 | 宣汉县第二人民医院 | Porous urethral stent flushing catheter |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675176A (en) * | 2019-02-28 | 2019-04-26 | 河南亚都实业有限公司 | A kind of cervical dilatation foley's tube facilitating feed liquor |
| CN213099927U (en) * | 2020-06-29 | 2021-05-04 | 南宁市第一人民医院 | Urinary bladder irrigation catheter |
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