CN217091769U

CN217091769U - Urinary catheter with pressure measurement and scale

Info

Publication number: CN217091769U
Application number: CN202121370986.3U
Authority: CN
Inventors: 潘娜
Original assignee: Affiliated Hospital of Jiangsu University
Current assignee: Affiliated Hospital of Jiangsu University
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-08-02
Anticipated expiration: 2031-06-18

Abstract

The utility model relates to a urinary catheter with pressure measurement and scale, which comprises a catheter body, wherein the front end of the catheter body is provided with a balloon, the center of the catheter body is provided with a urethral catheterization channel, the side wall of the catheter body is provided with a water injection channel along the axial direction of the catheter body, the part of the side wall of the catheter body, which is positioned in the balloon, is provided with a water outlet hole communicated with the inside of the balloon, the front end of the water injection channel is communicated with the water outlet hole, and the water injection channel is connected with a water injection pipe; the method is characterized in that: the rear end of the water injection pipe is connected with a three-way device, and the other two interfaces of the three-way device are respectively connected with a pressure gauge and a water injection device; the side wall of the tube body is further provided with a flushing channel along the axial direction of the tube body, the part of the side wall of the tube body, which is positioned in front of the balloon, is provided with a front balloon flushing hole, the front end of the flushing channel is communicated with the front balloon flushing hole, the flushing channel is connected with a flushing tube, and the side wall of the tube body is provided with scales. The utility model discloses can accurate judgement sacculus internal pressure, safe and reliable again, the accurate ureter of still being convenient for simultaneously inserts length, reduces and infects the incidence.

Description

Urinary catheter with pressure measurement and scale

Technical Field

The utility model relates to a from taking pressure measurement and marking graduated ureter belongs to medical apparatus technical field.

Background

Indwelling ureteromy is a method of inserting a sterile ureter into a bladder via the urethra to drain urine under strict aseptic operation, and is a nursing operation technology commonly used in clinic at present. The front end of a urinary catheter which is commonly used clinically at present is provided with a saccule, about 20ml of normal saline is injected into the saccule to fill the saccule after the urinary catheter is inserted, and the saccule is expanded to play a role in fixing the urinary catheter and preventing urine leakage. However, the prior urinary catheter has the following defects in practical use: 1. because the urethra tightness of each patient is different, the fixing condition of injecting about 20ml of physiological saline also has difference, in order to judge whether the ureter is fixed, medical personnel usually need to pull outward by hands after water injection for testing, and the operation has the possibility of damaging the urethra mucosa; 2. the inserted ureter is not provided with specific scales, and medical staff usually judge the insertion length by experience, so that the accuracy is not high; 3. the indwelling urinary catheter is a iatrogenic way for bacteria to enter the urinary tract, and the bacteria around the urethra or the anus can enter the urethra along the outer wall of the catheter; in addition, the urinary catheter also has the possibility of damaging the urethra during intubation, thereby causing bacterial invasion of the urethral mucosa and resulting in infection.

Aiming at the first defect, some existing schemes are that a pressure sensor is arranged in a balloon and is connected with a display screen through a lead, but the pressure sensor has a certain volume and is placed in the balloon needing to be inserted into the urethra, so that difficulty is brought to the insertion of the ureter, and the risk that the urethral mucosa is damaged is increased. Therefore, it is necessary to design a catheter which can accurately determine the pressure in the balloon, is safe and reliable, and can conveniently and accurately control the insertion length of the catheter so as to avoid infection.

Disclosure of Invention

An object of the utility model is to overcome the not enough of existence among the prior art, provide a from taking pressure measurement and marking graduated ureter, its structure is ingenious, reasonable in design, and convenient to use can accurately judge sacculus internal pressure, safe and reliable again, and the accurate ureter of mastering inserts length of still being convenient for simultaneously reduces the infection incidence.

According to the utility model provides a technical scheme: the urinary catheter with the pressure measurement function and the scale mark comprises a catheter body, wherein a balloon is arranged at the front end of the catheter body, a urethral catheterization channel is arranged at the center of the catheter body, a water injection channel is axially formed in the side wall of the catheter body along the catheter body, a water outlet hole communicated with the interior of the balloon is formed in the position, located in the balloon, of the side wall of the catheter body, the front end of the water injection channel is communicated with the water outlet hole, and the water injection channel is connected with a water injection catheter; the method is characterized in that: the rear end of the water injection pipe is connected with a tee joint, and the other two ports of the tee joint are respectively connected with a pressure gauge and a water injection device; the side wall of the tube body is further provided with a flushing channel along the axial direction of the tube body, the part, located in front of the balloon, of the side wall of the tube body is provided with a front balloon flushing hole, the front end of the flushing channel is communicated with the front balloon flushing hole, the flushing channel is connected with a flushing tube, and the side wall of the tube body is provided with scales.

As a further improvement, the flushing pipe includes washing outer tube, locking joint, washing inner tube and flushing joint, wash outer tube front end and wash channel rear end sealing connection, locking joint installs at washing outer tube rear end, wash the inner tube and penetrate from locking joint's center and wash the outer tube and wash in the channel and can seal the slip, the position that lies in before the sacculus on the pipe body lateral wall is seted up and is washed the hole behind the bag that the channel communicates with washing.

As a further improvement, the locking connects including joint body, silica gel circle and extrusion tail-hood, the joint body with wash outer tube sealing connection, the silica gel circle sets up in connecting the internal chamber of body, connects body rear end opening part to be equipped with the internal thread, extrusion tail-hood screw thread is installed at joint body rear end opening part, it inserts from the center of extrusion tail-hood, silica gel circle and joint body and washes in the outer tube to wash the inner tube.

As a further improvement of the utility model, the rear part of the flushing inner tube is provided with an indication color section, and when the indication color section is positioned outside the locking joint, the front end of the flushing inner tube is positioned behind the flushing hole behind the bag; when the indication color section is completely positioned in the locking joint, the front end of the flushing inner tube passes over the flushing hole behind the capsule.

As a further improvement, the water injection device comprises a water injector, a hose and a flow-limiting clamp, the water injector is connected with the three-way connector through the hose, and the flow-limiting clamp is arranged on the hose.

As a further improvement of the utility model, the injector is an injector.

As a further improvement, be provided with the switch on the tee bend ware, when the switch upwards revolves to twist to open, the three interface of tee bend ware communicates each other, when the switch revolves to twist downwards and closes, the three interface of tee bend ware does not communicate each other.

Compared with the prior art, the utility model, have following advantage:

1) the utility model discloses the structure is ingenious, and reasonable in design owing to be connected with the manometer in the water injection pipe outer end, can more audio-visual test pressure through the manometer to can promote the fixed reliability of ureter, both can prevent to lead to the ureter slippage because the pressure is not enough, can avoid again because too big and damage the urethra of pressure.

1) The utility model discloses owing to set up the scale on the ureter, medical personnel can observe concrete intubate degree of depth more accurately, operate more accurately.

3) The utility model is provided with the flushing channel arranged on the tube body and connected with the flushing tube, and can also be flushed by injecting liquid medicine through the flushing tube in the process of keeping the urinary catheter, thereby greatly reducing the urinary tract infection incidence rate caused by keeping the urinary catheter; and the front bladder flushing hole and the rear bladder flushing hole are arranged, and the improved flushing pipe is combined, so that the urethra can be correspondingly flushed at different time nodes, and the urinary tract infection is further avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is a schematic view of the overall structure of embodiment 2 of the present invention.

Fig. 4 is a schematic structural view of a flush pipe in embodiment 2 of the present invention.

Fig. 5 is an enlarged cross-sectional view of the structure of the locking joint in embodiment 2 of the present invention.

Description of reference numerals: the device comprises a pipe body 1, a balloon 2, a urethral catheterization channel 3, a water injection channel 4, a water outlet 5, a water injection pipe 6, a tee joint 7, a pressure gauge 8, a flushing channel 9, a flushing hole before the balloon 10, a flushing pipe 11, a water injector 12, a hose 13, a flow limiting clamp 14, a flushing outer pipe 15, a locking joint 16, a joint body 16.1, a silica gel ring 16.2, a squeezing tail cover 16.3, a flushing inner pipe 17, an indication color section 17a, a flushing joint 18 and a flushing hole behind the balloon 19.

Detailed Description

The invention is further described with reference to the following specific drawings and examples.

Example 1

As shown in fig. 1 and 2, embodiment 1 discloses a urinary catheter with pressure measurement and scale marks, which comprises a catheter body 1, wherein a balloon 2 is arranged at the front end of the catheter body 1, a urinary catheter channel 3 is arranged at the center of the catheter body 1, a water injection channel 4 is axially arranged on the side wall of the catheter body 1 along the catheter body 1, a water outlet 5 communicated with the inside of the balloon 2 is arranged at a position, located in the balloon 2, on the side wall of the catheter body 1, the front end of the water injection channel 4 is communicated with the water outlet 5, and the water injection channel 4 is connected with a water injection pipe 6; the method is characterized in that: the rear end of the water injection pipe 6 is connected with a tee joint device 7, and the other two interfaces of the tee joint device 7 are respectively connected with a pressure gauge 8 and a water injection device; the side wall of the tube body 1 is further provided with a flushing channel 9 along the axial direction of the tube body 1, the part of the side wall of the tube body 1, which is positioned in front of the balloon 2, is provided with a front balloon flushing hole 10, the front end of the flushing channel 9 is communicated with the front balloon flushing hole 10, the flushing channel 9 is connected with a flushing tube 11, and the side wall of the tube body 1 is provided with scales.

When in clinical use, a patient firstly cleans the vulva, then takes the supine position, bends the hip and knees, and slightly abducts the legs to expose the perineum; an operator stands beside a patient, pads a small rubber sheet and a treatment towel under the buttocks of the patient, places a bent disc at a position close to the perineum, places a dressing change bowl and the bent disc between two legs of the patient, cleans and sterilizes the vulva, the labia minora and the urethral orifice by a conventional method, lubricates the front end of a ureter by a paraffin oil cotton ball, holds the ureter by a hemostatic forceps to be aligned with the urethral orifice, inserts the ureter into the urethra for about 4-6 cm, and then inserts the ureter into the urethra for about 1 cm after urine flows out; then, a proper amount of normal saline is injected into the balloon 2 by using the water injection device, the pressure in the balloon 2 is observed by the pressure gauge 8, and the fixation of the urinary catheter is finished after the pressure reaches the standard. The utility model discloses a manometer 8 can more audio-visual test pressure to can promote the fixed reliability of ureter, both can prevent to lead to the ureter slippage because the pressure is not enough, can avoid again because too big and damage the urethra of pressure. Because be provided with the scale on the ureter, medical personnel can observe concrete intubate degree of depth more accurately, and the operation is more accurate. In-process is kept somewhere to the ureter, can also squeeze into the liquid medicine through wash pipe 11 and wash, greatly reduced keeps somewhere the urinary tract infection incidence that the ureter leads to, and the liquid medicine that washes is blockked by sacculus 2 moreover, the seepage problem can not appear.

As shown in fig. 1, in this embodiment 1, the water injection device includes a water injector 12, a hose 13, and a flow restriction clip 14, the water injector 12 is connected to the tee fitting 7 through the hose 13, and the flow restriction clip 14 is disposed on the hose 13. So set up, after the ureter inserts to the right place, loosen current-limiting clamp 14, inject normal saline into sacculus 2 through hose 13 and tee bend 7 through water injector 12, after observing that sacculus 2 pressure is suitable, stop to inject and close current-limiting clamp 14, just can make the pressure in the sacculus 2 keep stable. In this embodiment 1, the injector 12 is preferably a syringe.

As shown in fig. 1, in this embodiment 1, a switch 7a is disposed on the tee fitting 7, when the switch 7a is turned on by screwing upward, three ports of the tee fitting 7 are communicated with each other, and when the switch 7a is turned off by screwing downward, three ports of the tee fitting 7 are not communicated with each other. So set up, put into the back that targets in place when the ureter, can close the switch 7a of tee bend ware 7, switch 7a reuse gauze parcel, no longer need use manometer 8 this moment, can follow and pull down on tee bend ware 7, avoid causing the pressure sore on one's body for the patient.

Example 2

As shown in fig. 3 to 5, example 2 discloses a urinary catheter with a pressure measurement and scale, which is different from the examples in that the washing structure is improved.

As shown in fig. 3 to 5, in this embodiment 2, the flushing pipe 11 includes an outer flushing pipe 15, a locking joint 16, an inner flushing pipe 17, and a flushing joint 18, the front end of the outer flushing pipe 15 is hermetically connected with the rear end of the flushing channel 9, the locking joint 16 is installed at the rear end of the outer flushing pipe 15, the inner flushing pipe 17 penetrates into the outer flushing pipe 15 and the flushing channel 9 from the center of the locking joint 16 and can hermetically slide, and a portion of the side wall of the pipe body 1 located in front of the balloon 2 is provided with a post-balloon flushing hole 19 communicated with the flushing channel 9.

In clinical use, the initial position of the forward end of the inner irrigation tube 17 is behind the posterior capsular irrigation hole 19, and the inner irrigation tube 17 is locked by the locking adapter 16. When accomplishing the ureter and inserting, in order to avoid the ureter to lead to the bacterium to invade urethra mucous membrane and cause the infection at intubate in-process injury urethra, wash with the medicine earlier this moment, disinfect to lieing in 2 anterior urethra inner walls of sacculus, owing to just accomplishing this moment and putting the pipe, little rubber list, treatment piece of cloth and bent dish have not yet been withdrawn, and the liquid medicine of washing flows out from the urethra and can directly be collected the processing by disposable. After the flushing is finished, the locking joint 16 is unscrewed, the flushing inner tube 17 is pushed inwards, the front end position of the flushing inner tube 17 reaches the front of the bag rear flushing hole 19, the flushing inner tube 17 is locked and fixed by the locking joint 16, the bag rear flushing hole 19 is sealed by the flushing inner tube 17, and the flushing operation by using the liquid medicine is the same as that in the embodiment 1.

As shown in fig. 4 and 5, in this embodiment 2, the locking joint 16 includes a joint body 16.1, a silicone ring 16.2, and a pressing tail cap 16.3, the joint body 16.1 is connected to the flushing outer tube 15 in a sealing manner, the silicone ring 16.2 is disposed in an inner cavity of the joint body 16.1, an opening at the rear end of the joint body 16.1 is provided with an internal thread, the pressing tail cap 16.3 is installed at the opening at the rear end of the joint body 16.1 in a threaded manner, and the flushing inner tube 17 is inserted into the flushing outer tube 15 from centers of the pressing tail cap 16.3, the silicone ring 16.2, and the joint body 16.1. With the arrangement, when the flushing inner pipe 17 needs to be locked, the extrusion tail cover 16.3 moves towards the joint body 16.1 through rotation, the extrusion tail cover 16.3 extrudes the silicone ring 16.2, and the silicone ring 16.2 deforms and tightly holds the flushing inner pipe 17. When the flushing inner tube 17 needs to be loosened, the operation is reversed.

As shown in fig. 3 and 4, in the present embodiment, an indication color section 17a is provided at the rear of the flushing inner tube 17, and when the indication color section 17a is located outside the locking joint 16, the front end of the flushing inner tube 17 is located behind the balloon posterior flushing hole 19; when the indicator color section 17a is fully located in the locking joint 16, the front end of the flushing inner tube 17 passes over the rear capsule flushing hole 19. So set up, medical personnel can judge the position of washing the inner tube 17 front end more directly perceivedly, make the operation more convenient and fast.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various modifications and alterations can be made, and any person skilled in the art can make modifications, amendments or equivalent replacements according to the above description, all belonging to the protection scope of the present invention.

Claims

1. The urinary catheter with the pressure measurement function and the scale marks comprises a catheter body (1), wherein a balloon (2) is arranged at the front end of the catheter body (1), a urethral catheterization channel (3) is arranged at the center of the catheter body (1), a water injection channel (4) is axially formed in the side wall of the catheter body (1) along the catheter body (1), a water outlet hole (5) communicated with the interior of the balloon (2) is formed in the position, located in the balloon (2), of the side wall of the catheter body (1), the front end of the water injection channel (4) is communicated with the water outlet hole (5), and the water injection channel (4) is connected with a water injection pipe (6); the method is characterized in that: the rear end of the water injection pipe (6) is connected with a tee joint device (7), and the other two interfaces of the tee joint device (7) are respectively connected with a pressure gauge (8) and a water injection device; the side wall of the tube body (1) is provided with a flushing channel (9) along the axial direction of the tube body (1), the side wall of the tube body (1) is provided with a bag front flushing hole (10) at the position in front of the balloon (2), the front end of the flushing channel (9) is communicated with the bag front flushing hole (10), the flushing channel (9) is connected with a flushing pipe (11), and the side wall of the tube body (1) is provided with scales.

2. The self-contained pressure-measuring graduated urinary catheter according to claim 1, wherein: the flushing pipe (11) comprises a flushing outer pipe (15), a locking joint (16), a flushing inner pipe (17) and a flushing joint (18), the front end of the flushing outer pipe (15) is connected with the rear end of a flushing channel (9) in a sealing mode, the locking joint (16) is installed at the rear end of the flushing outer pipe (15), the flushing inner pipe (17) penetrates into the flushing outer pipe (15) and the flushing channel (9) from the center of the locking joint (16) and can slide in a sealing mode, and a bag rear flushing hole (19) communicated with the flushing channel (9) is formed in the position, located in front of the balloon (2), of the side wall of the pipe body (1).

3. The self-contained pressure-measuring graduated urinary catheter according to claim 2, wherein: locking joint (16) are including the joint body (16.1), silica gel circle (16.2) and extrusion tail-hood (16.3), joint body (16.1) with wash outer tube (15) sealing connection, silica gel circle (16.2) set up in joint body (16.1) inner chamber, and joint body (16.1) rear end opening part is equipped with the internal thread, extrusion tail-hood (16.3) threaded mounting is at joint body (16.1) rear end opening part, wash inner tube (17) insert from the center of extrusion tail-hood (16.3), silica gel circle (16.2) and joint body (16.1) wash in outer tube (15).

4. The self-contained pressure-measuring graduated urinary catheter according to claim 2, wherein: an indication color section (17a) is arranged at the rear part of the flushing inner tube (17), and when the indication color section (17a) is positioned outside the locking joint (16), the front end of the flushing inner tube (17) is positioned behind the bag rear flushing hole (19); when the indicating color section (17a) is completely positioned in the locking joint (16), the front end of the flushing inner tube (17) passes over the rear flushing hole (19) of the capsule.

5. The self-contained pressure-measuring, graduated urinary catheter of claim 1, wherein: the water injection device comprises a water injector (12), a hose (13) and a flow limiting clamp (14), wherein the water injector (12) is connected with the tee joint device (7) through the hose (13), and the flow limiting clamp (14) is arranged on the hose (13).

6. The self-contained pressure-measuring graduated urinary catheter according to claim 5, wherein: the injector (12) adopts an injector.

7. The self-contained pressure-measuring graduated urinary catheter according to claim 1, wherein: the three-way valve is characterized in that a switch (7a) is arranged on the three-way valve (7), when the switch (7a) is turned on by upward screwing, three interfaces of the three-way valve (7) are communicated with each other, and when the switch (7a) is turned off by downward screwing, the three interfaces of the three-way valve (7) are not communicated with each other.