CN211486133U

CN211486133U - Catheter with pressure sensor

Info

Publication number: CN211486133U
Application number: CN202020064238.1U
Authority: CN
Inventors: 薛原; 任占福; 舒森
Original assignee: HEPING HOSPITAL OF CHANGZHI MEDICAL COLLEGE
Current assignee: HEPING HOSPITAL OF CHANGZHI MEDICAL COLLEGE
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-15
Anticipated expiration: 2030-01-13

Abstract

The utility model provides a catheter with pressure sensors, including catheter, connector, upper portion plug, pressure sensors, urine infiltration hole, connect the clip, alarm buzzer, collection urine bag, honeycomb duct, urinate pipe, flowing back valve and the valve that dams. The utility model discloses: the pressure sensor can be effectively attached to the outer side wall of the catheter, and the pressure of the contact surface can be effectively measured; can cover the effective range of the pressure range in the bladder known at present; when the device is used, a nurse keeps the catheter for a patient according to the conventional operation flow of the catheter, the computer terminal and the mobile phone terminal can test and display the real-time pressure data in the bladder, and an alarm range can be set according to the actual condition of the patient to remind doctors and the patient to take necessary medical or nursing measures; the original diastole and contraction physiological rhythm of the bladder is kept as much as possible, so that the kidney damage caused by urine backflow due to overhigh pressure in the bladder can be prevented, the bladder contracture caused by long-term low pressure in the bladder can be prevented, and finally the diastole and urination function is lost.

Description

Catheter with pressure sensor

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a catheter with pressure sensors.

Background

Along with the continuous development of economy in China, cerebrovascular diseases are high, meanwhile, brain and spinal cord injuries are caused by traffic accidents, so that the number of patients with neurogenic urination disorder in clinic is increasing, the patients need to retain catheters for a long time in the clinical treatment process, but in the process of retaining the urinary catheters, due to insufficient monitoring of the pressure in the urinary bladder, the patients have renal damage caused by urine backflow or the patients have continuous bladder contraction and insufficient relaxation caused by the retention of the urinary catheters for a long time, so that the bladder capacity is extremely reduced, the original urine storage function of the bladder is lost, and the patients are still in a long-term chronic urinary incontinence state even after the urinary catheters are pulled out. Causing the life quality of the patients to be extremely reduced and even causing serious urinary infection or kidney injury.

Catheterization is widely applied in clinic, and is necessary for urinary catheter arrangement in aspects of coma, urinary incontinence, lower abdomen and pelvic cavity operations, urinary retention, local drug perfusion of bladder tumor, heart failure, accurate urine volume recording of critical patients and the like. In addition, the arrangement of the catheter needs to keep the perineum part dry and clean, so that the local skin irritation of urine is avoided. However, in clinical practice, because the current catheter front end sacculus is poor with bladder neck laminating nature, often there is urine to spill from the catheter side after settling, influences the accurate record of urine volume, and local dry, the cleanness of perineum can receive the influence simultaneously, and local skin irritation is in the difficult place.

In addition, the invention discloses a catheter with a Chinese patent publication number of CN108904958A, which comprises a head part extending into the bladder and a tail part arranged outside the bladder, wherein the head part is provided with a urine discharge port, the tail part is provided with a catheter communicated with the urine discharge port, the rear end of the head part is provided with a balloon, the tail part is provided with a flow guide pipe communicated with the balloon, and the outer wall of the balloon is provided with folds. However, the existing catheter is generally opened at regular time for long-term retention of the urinary catheter in clinic, and partial rehabilitation departments can adopt urodynamic detection to observe the instant bladder capacity and sphincter functions of a patient, but cannot respond to the pressure capacity of the bladder in the long-term retention of the urinary catheter; therefore, doctors and patients cannot know the change of the pressure in the bladder in one day, and cannot fundamentally prevent the problem of complications caused by the neurogenic bladder.

In view of the above, it is necessary to invent a catheter with a pressure sensor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a catheter with a pressure sensor, which solves the problem that the existing catheter can not respond to the pressure capacity of the bladder in the process of indwelling the urinary catheter for a long time; therefore, doctors and patients cannot know the change of the pressure in the bladder in one day, and cannot fundamentally prevent the problem of complications caused by the neurogenic bladder. A catheter with a pressure sensor comprises a catheter, a connector, an upper plug, the pressure sensor, a urine seepage hole, a connecting clamp, an alarm buzzer, a urine collecting bag, a flow guide pipe, a urine discharge pipe, a liquid discharge valve and an intercepting valve, wherein the connector is embedded at the lower end of the catheter; the upper plug is in threaded connection with the upper end of the catheter; the pressure sensor is connected to the inner wall of the upper plug through a screw; the urine seepage hole is formed in the upper position of the outer surface of the upper plug; the alarm buzzer is connected to the right side of the connecting clamp through screws.

Preferably, the guide pipe is connected to the middle position of the upper part of the urine collection bag in a gluing way; the urine discharging pipe is embedded in the middle of the lower part of the urine collecting bag.

Preferably, the diameter of the pressure sensor is 3mm, and the thickness of the pressure sensor is 0.1mm-0.2 mm; the pressure sensing range of the pressure sensor is 0.1N-100N. Preferably, the connecting clip is clipped on the right side of the urine collection bag.

Preferably, the drain valve is embedded in the middle of the inner part of the urine drainage tube.

Preferably, the shutoff valve is sleeved on the outer surface of the flow guide pipe.

Preferably, the upper end of the flow guide pipe is inserted in the connector; the connector specifically adopts a PVC plastic head.

Preferably, the catheter is a silicone tube.

Preferably, the pressure sensor is in communication connection with an alarm buzzer.

Preferably, the pressure sensor is connected with the mobile phone terminal through a special APP; the pressure sensor is connected with a computer terminal through a special software system.

Compared with the prior art, the beneficial effects of the utility model are that: the pressure sensor has the diameter of 3mm, the thickness of 0.1-0.2mm and good flexibility, can be effectively attached to the outer side wall of the catheter, and can effectively measure the pressure of a contact surface; the pressure sensing range is 0.1-100N, and can cover the effective range of the pressure range in the known bladder at present; when the device is used, a nurse keeps the catheter for a patient according to the conventional operation flow of the catheter, the computer terminal and the mobile phone terminal can test and display the real-time pressure data in the bladder, and an alarm range can be set according to the actual condition of the patient to remind doctors and the patient to take necessary medical or nursing measures; the pressure sensor can real-timely transmit the pressure data in the bladder, guide doctors and patients to open the ureter at proper time for catheterization according to the pressure condition in the bladder, and keep the original diastole and contraction physiological rhythm of the bladder as much as possible, so that the kidney damage caused by urine backflow due to overhigh pressure in the bladder can be prevented, the bladder contracture caused by long-term low pressure in the bladder can be prevented, and finally the diastole and urination function is lost; meanwhile, the device is low in cost, dynamic data can be continuously observed, and the device is an important improvement on the conventional clinical manual estimation of a timed urinary catheter opening mode.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the urine collection bag of the present invention.

Fig. 3 is a schematic structural view of the connection state of the urine collection bag of the present invention.

Fig. 4 is a schematic diagram of the information transmission flow of the present invention.

In the figure:

1. a urinary catheter; 2. a connector; 3. an upper plug; 4. a pressure sensor; 5. urine seepage holes; 6. connecting a clamp; 7. an alarm buzzer; 8. a urine collection bag; 9. a flow guide pipe; 10. a urinary catheter; 11. a drain valve; 12. a shut-off valve.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 to 4, the utility model provides a catheter with pressure sensor, which comprises a catheter 1, a connector 2, an upper plug 3, a pressure sensor 4, a urine hole 5, a connecting clamp 6, an alarm buzzer 7, a urine collecting bag 8, a flow guide pipe 9, a urine discharge pipe 10, a liquid discharge valve 11 and an intercepting valve 12, wherein the connector 2 is embedded at the lower end of the catheter 1; the upper plug 3 is in threaded connection with the upper end of the catheter 1; the pressure sensor 4 is connected to the inner wall of the upper plug 3 through a screw; the urine seepage hole 5 is arranged at the upper part of the outer surface of the upper plug 3; the alarm buzzer 7 is screwed on the right side of the connecting clamp 6.

In the above embodiment, specifically, the flow guide tube 9 is glued to the middle position of the upper part of the urine collection bag 8; the urine discharging pipe 10 is embedded in the middle of the lower part of the urine collecting bag 8.

In the above embodiment, specifically, the diameter of the pressure sensor 4 is 3mm, and the thickness is 0.1mm to 0.2 mm; the pressure sensing range of the pressure sensor 4 is 0.1N-100N. In the above embodiment, in particular, the connecting clip 6 is clipped on the right side of the urine collecting bag 8.

In the above embodiment, in particular, the drainage valve 11 is embedded in the middle of the inner part of the urinary catheter 10.

In the above embodiment, specifically, the shutoff valve 12 is sleeved on the outer surface of the draft tube 9.

In the above embodiment, specifically, the upper end of the flow guide tube 9 is inserted into the connector 2; the connector 2 specifically adopts a PVC plastic head.

In the above embodiment, specifically, the urinary catheter 1 specifically adopts a silicone tube.

In the above embodiment, specifically, the pressure sensor 4 is connected in communication with the alarm buzzer 7.

In the above embodiment, specifically, the pressure sensor 4 is connected to the mobile phone terminal through a dedicated APP; the pressure sensor 4 is connected with a computer terminal through a special software system.

Principle of operation

When the utility model is used, the catheter 1 and the upper plug 3 are inserted into the bladder, the connector 2 is sleeved on the upper part of the flow guide pipe 9, the urine collecting bag 8 is hung, and the corresponding pressure parameters are set through a computer terminal or a mobile phone terminal; when the pressure in the bladder exceeds the safe pressure range, the pressure can be transmitted to an alarm buzzer 7 through WIFI or a wireless network for warning, or APP designed in a matched mode prompts patients and medical personnel through a mobile phone, a cut-off valve 12 is opened in time for catheterization, urine is collected into a urine collection bag 8 for temporary storage, and a liquid discharge valve 11 is opened at regular time for discharging; therefore, normal relaxation and contraction of the bladder of a patient can be ensured, the pressure in the bladder can be ensured to be in a normal range, urine is prevented from flowing back to a ureter and a kidney, renal damage is avoided, the occurrence of clinical complications and related serious diseases of a patient with catheterization for a long time can be obviously improved, and the life quality is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The urethral catheter with the pressure sensor is characterized by comprising a urethral catheter (1), a connector (2), an upper plug (3), the pressure sensor (4), a urine seepage hole (5), a connecting clamp (6), an alarm buzzer (7), a urine collection bag (8), a flow guide pipe (9), a urine discharge pipe (10), a liquid discharge valve (11) and an interception valve (12), wherein the connector (2) is embedded at the lower end of the urethral catheter (1); the upper plug (3) is in threaded connection with the upper end of the catheter (1); the pressure sensor (4) is connected to the inner wall of the upper plug (3) through a screw; the urine seepage hole (5) is formed in the upper position of the outer surface of the upper plug (3); the alarm buzzer (7) is connected to the right side of the connecting clamp (6) through screws.

2. The urinary catheter with pressure sensor according to claim 1, wherein the catheter (9) is glued in the middle of the upper part of the urine collection bag (8); the urine discharging pipe (10) is embedded in the middle of the lower part of the urine collecting bag (8).

3. The catheter with pressure sensor according to claim 1, wherein the pressure sensor (4) has a diameter of 3mm and a thickness of 0.1mm to 0.2 mm; the pressure sensing range of the pressure sensor (4) is 0.1N-100N,

preferably, the connecting clip (6) is clipped on the right side of the urine collecting bag (8).

4. A catheter with pressure sensor according to claim 1, characterized in that the drainage valve (11) is embedded in the middle inside the catheter (10).

5. The catheter with pressure sensor according to claim 1, characterized in that the shut-off valve (12) is sleeved on the outer surface of the delivery tube (9).

6. The catheter with pressure sensor as claimed in claim 1, characterized in that the upper end of the flow guide tube (9) is inserted into the connector (2); the connector (2) is a PVC plastic head.

7. A catheter with pressure sensor according to claim 1, characterized in that said pressure sensor (4) is communicatively connected to an alarm buzzer (7).

8. The catheter with pressure sensor according to claim 1, characterized in that the pressure sensor (4) is connected with the mobile phone terminal through a dedicated APP; the pressure sensor (4) is connected with a computer terminal through a special software system.

9. The catheter with pressure sensor according to claim 1, characterized in that the catheter (1) is a silicone tube.