Real-time detection device for enhanced CT (Computed Tomography) examination contrast agent extravasation

Abstract

The utility model discloses an enhanced CT (Computed Tomography) examination contrast agent exosmosis real-time detection device, which effectively achieves the purpose of detecting the contrast agent exosmosis phenomenon, and comprises a first protective belt, a detachable second protective belt is arranged in the first protective belt, a connecting belt is arranged between the first protective belt and the second protective belt, and the connecting belt is connected with the first protective belt. The left side and the right side of the connecting belt are respectively connected with an expansion cloth bag used for adjusting wearing tightness, two pressure sensors are arranged on the lower side of the first protective belt, the right side of the first protective belt is fixedly connected with an alarm mechanism, and the lower side of the second protective belt is detachably connected with an application mechanism. The device is simple in structure, ingenious in conception and easy and convenient to operate, the wearing tightness of the device can be effectively adjusted, medical staff can conveniently and rapidly release swelling pressure of a venous access, the function of relieving an affected part in time is added, and an alarm can be given to the exosmosis phenomenon in time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and relates to a real-time detection device for contrast medium exosmosis in enhanced CT examination. BACKGROUND

[0002] Drug exosmosis refers to that, in the process of intravenous infusion, the corrosive liquid medicine enters the surrounding tissue outside the intravenous lumen. It is a common adverse reaction after intravenous infusion, which may cause local tissue redness and swelling and pain in mild cases, local skin tissue necrosis in severe cases, and even nerve and muscle joint damage, causing tissue dysfunction. According to the INS guidelines, drug exosmosis is divided into 0-IV grades according to the range of skin whitening and subcutaneous edema in the drug exosmosis area, skin cooling and with or without pain.

[0003] Although the intravenous infusion guidelines suggest that when infusing some high-risk drugs such as chemotherapy drugs and vasoactive drugs, central venous catheter infusion is recommended to avoid damage to blood vessels. However, some patients choose peripheral venous catheter for infusion of high-risk drugs due to economic conditions, coagulation dysfunction and other factors, and nurses need to frequently patrol during infusion, which increases the workload of nurses and reduces work efficiency. Moreover, the signs and symptoms of early drug exosmosis are not always obvious on the same day, and inflammation may occur after a few days or weeks, which may evolve into ulcer or necrosis.

[0004] Studies have shown that nearly half of the drug exosmosis is discovered due to the patient's complaint, although the patient's complaint is important in identifying exosmosis, but considering that the patient's exosmosis experience may be affected by many factors, including individual pain tolerance, sensory loss, etc. In addition, it is difficult to judge whether the pain in this part is the result of exosmosis or the stimulation of the drug to the blood vessel wall. Therefore, it is particularly important to identify early drug exosmosis in patients.

[0005] With the development of imaging, enhanced CT scanning is widely used. It is a method to improve the detection rate of lesions by using the imaging difference between contrast medium in the lesion and adjacent normal tissue on the basis of CT scanning. High-pressure injector has high injection pressure, which is easy to cause contrast medium exosmosis (CME). According to relevant reports, the incidence of contrast medium exosmosis (CME) is 0.10% to 2.38%, and the exosmosis amount is usually 10ml to 100ml. Contrast medium exosmosis can cause severe pain, skin and soft tissue damage and even necrosis in patients. Therefore, how to prevent and handle contrast medium exosmosis is particularly important.

[0006] When drug extravasation occurs, the position of the venous access will first swell, and the swelling degree can be detected in real time to indirectly detect the extravasation, so a contrast agent extravasation real-time detection device for enhanced CT examination is needed to solve the above problems. Utility model content

[0007] In view of the above problems, the utility model provides a kind of contrast agent extravasation real-time detection device for enhanced CT examination, and the problems in prior art are well solved.

[0008] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0009] A kind of contrast agent extravasation real-time detection device for enhanced CT examination, including first protective band, the inside of first protective band is equipped with a detachable second protective band, first protective band and second protective band between them are equipped with a connecting band, the left and right sides of connecting band are each connected with one for adjusting the expansion cloth bag of wearing tightness, the lower side of first protective band is equipped with two pressure sensors, the right side of first protective band is fixedly connected with one alarm mechanism, the lower side of second protective band is detachably connected with one application mechanism.

[0010] Preferably, the inside of each expansion cloth bag is equipped with a plurality of expansion capsules that are in communication with each other, and a communication pipe is fixedly connected to the front side of the first protective band, with the left and right ends of the communication pipe being in communication with the corresponding expansion capsules, respectively.

[0011] Preferably, the right side of the first protective band is fixedly connected with an input port, the lower end of the input port is in communication with the corresponding expansion capsule through the first protective band and the expansion cloth bag, the upper side of the input port is threadedly connected with a one-way valve, the upper side of the one-way valve is fixedly connected with an injection port, and the upper side of the injection port is provided with a sealing cover.

[0012] Preferably, the left and right ends of the first protective band are respectively provided with a first magic tape and a second magic tape, the first magic tape is fixedly connected to the upper side of the first protective band, and the second magic tape is fixedly connected to the lower side of the first protective band.

[0013] Preferably, a cutout is formed in the middle of the first protective band and the connecting band, and a fixed cloth for connecting the two sides of the cutout is arranged on the upper side of the first protective band.

[0014] Preferably, the application mechanism includes an application capsule and an application pad, and an easy-to-tear line is formed in the inner side wall of the application capsule.

[0015] Preferably, the alarm mechanism includes a display and a buzzer, and each pressure sensor is electrically connected to the display.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model has first protective band and second protective band, can when the exosmosis phenomenon occurs, second protective band is left in the sick part of patient, and the subsequent soothing treatment of sick part is sustained.

[0018] 2. The utility model has application mechanism, can disinfect soothing of the swelling part of patient when needing, alleviate the pain feeling of patient.

[0019] 3. The utility model has pressure sensor, can detect the pressure of venous passageway position of patient in contrast agent pumping in real time, and then timely alarm, timely remind patient and medical staff. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model.

[0021] Figure 2 It is the explosion structure schematic diagram of the utility model.

[0022] Figure 3 It is the explosion structure schematic diagram of fixed cloth and first protective band in the utility model.

[0023] Figure 4 It is the position schematic diagram of inflatable bladder in the utility model.

[0024] In the drawing: 1, first protective band;2, second protective band;3, connecting band;4, inflatable cloth bag;5, pressure sensor;6, alarm mechanism;7, application mechanism;8, inflatable bladder;9, communication pipe;10, input port;11, check valve;12, injection port;13, sealing cover;14, first magic tape;15, second magic tape;16, cut-off port;17, fixed cloth;18, application bladder;19, application pad;20, easy tear line;21, display;22, buzzer. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] The specific implementation of the utility model will be further described below. Figures 1-4

[0027] By​Figures 1-4 The utility model provides a first protective band 1, in order to reach the purpose that can detect contrast medium exosmosis, the inside of first protective band 1 is equipped with a detachable second protective band 2, and the left and right ends of second protective band 2 are equipped with non dry adhesive, and the non dry adhesive is detachably connected with first protective band 1, and a connecting band 3 is arranged between first protective band 1 and second protective band 2, and one expansion cloth bag 4 for adjusting wearing tightness is connected to the left and right sides of connecting band 3 respectively, two pressure sensors 5 are arranged on the downside of first protective band 1, and an alarm mechanism 6 is fixedly connected to the right side of first protective band 1, and a plaster mechanism 7 is detachably connected to the downside of second protective band 2,

[0028] Need to explain, pressure sensor 5 is flexible pressure sensor 5, is prior art, such as journal 'physics report' carries 'the principle and application of flexible pressure sensor 5'-Hou Xingyu, guo Chuanfei, wherein the flexible pressure sensor 5 mentioned, or the flexible resistance film pressure sensor 5 of type FSR, can monitor the pressure received in real time,

[0029] When using, the patient can be normally established intravenous access to pump in contrast agent, and the device is used for protection at the infusion end of the patient's intravenous access, specifically, the plaster mechanism 7 is aligned with the intravenous access, then the first protective band 1 and the second protective band 2 are wound around the patient's limbs from both sides and adhered to each other, so that the wearing of the whole device is completed, at this time, the pressure of the intravenous access position can be identified by the pressure sensor 5, and the wearing tightness of the first protective band 1 can be adjusted by adjusting the expansion size of the expansion cloth bag 4, during the pumping of the contrast agent, when exosmosis occurs, the intravenous access position will first swell, because the first protective band 1 has no elasticity, when swelling occurs, the pressure sensor 5 will increase the pressure received, and then the exosmosis phenomenon can be detected in real time by the pressure sensor 5, if exosmosis occurs, the medical staff can directly remove the first protective band 1, leaving the second protective band 2 and the plaster mechanism 7, and the swelling of the patient can be relieved by the liquid in the plaster mechanism 7, reducing the pain of the patient.

[0030] Further, by Figures 1-4 To adjust the wearing tightness of the device, a plurality of expansion sacs 8 are arranged in each expansion cloth bag 4, and a communication pipe 9 is fixedly connected to the front side of the first protective band 1, and the left and right ends of the communication pipe 9 are communicated with the corresponding expansion sacs 8 respectively,

[0031] Further, by Figures 1-4Given, in order to facilitate the adjustment of wearing tightness, the right side of the first protective belt 1 is fixedly connected with an input port 10, the lower end of the input port 10 communicates with the corresponding inflation bag 8 through the first protective belt 1 and the inflation cloth bag 4, the upper side of the input port 10 is threadedly connected with a one-way valve 11, the upper side of the one-way valve 11 is fixedly connected with an injection port 12, and the upper side of the injection port 12 is provided with a sealing cover 13;

[0032] In use, liquid can be filled into the inflation bag 8 through the injection port 12 to make it swell and increase the overall volume of the inflation cloth bag 4, so as to adjust the tightness of wearing. At this time, the liquid enters the corresponding inflation bag 8 through the injection port 12, the one-way valve 11 and the input port 10. Since the plurality of inflation bags 8 in the same inflation cloth bag 4 are in communication with each other, and the communication pipe 9 communicates the corresponding inflation bags 8 in the two inflation cloth bags 4, liquid can be filled into each inflation bag 8. At this time, due to the action of the one-way valve 11, the liquid will not flow out by itself. When it is necessary to empty the inflation bag 8, the one-way valve 11 can be directly disassembled by thread connection, so that the liquid can be discharged through the output port.

[0033] Further, by Figures 1-4 Given, in order to adapt to different body shapes of patients, the left and right ends of the first protective belt 1 are respectively provided with a first magic tape 14 and a second magic tape 15. The first magic tape 14 is fixedly connected to the upper side of the first protective belt 1, and the second magic tape 15 is fixedly connected to the lower side of the first protective belt 1.

[0034] In use, the first magic tape 14 and the second magic tape 15 can be attached to each other to fix the first protective belt 1.

[0035] Further, by Figures 1-4 Given, in order to facilitate medical staff to quickly release the swelling pressure of the intravenous access, the middle part of the first protective belt 1 and the connecting belt 3 are both provided with a cutting port 16, and the upper side of the first protective belt 1 is provided with a fixing cloth 17 for connecting the two sides of the cutting port 16. The right end of the fixing cloth 17 is fixedly connected with the right inner wall of the cutting port 16 of the first protective belt 1, and the lower side of the left part of the fixing cloth 17 is provided with an adhesive, which can fix the first protective belt 1 on the left and right sides of the cutting port 16.

[0036] In use, when the contrast agent extravasation occurs, the medical staff can directly lift the left part of the fixing cloth 17 upward, at this time the two ends of the cutting port 16 can move freely, so as to quickly release the pressure generated by swelling, and then the first protective belt 1 can be removed through the first magic tape 14 and the second magic tape 15.

[0037] Further, by Figures 1-4In order to increase the function of soothing the affected part in time, the applying mechanism 7 comprises an applying capsule 18 and an applying pad 19, and a tear line 20 is formed on the inner side wall of the applying capsule 18;

[0038] It should be noted that the applying capsule 18 is a ring-shaped hollow soft structure, and the inside of the applying capsule 18 is filled with a liquid capable of soothing the pain of the patient, such as a 2% lidocaine solution or a mixed solution of lidocaine and dexamethasone, which can play a role in relieving pain, swelling and other symptoms; the applying pad 19 is sterile cotton; and the applying capsule 18 is connected to the outside of the applying pad 19 by means of an adhesive.

[0039] When extravasation occurs during use, medical staff can laterally squeeze the applying capsule 18, at which time the tear line 20 is broken under stress, and the liquid in the applying capsule 18 is absorbed by the applying pad 19 to perform wet compress on the affected part and reduce the pain of the patient.

[0040] Further, Figures 1-4 In order to be able to alarm in time when extravasation occurs, the alarm mechanism 6 comprises a display 21 and a buzzer 22, and each pressure sensor 5 is electrically connected to the display 21.

[0041] It should be noted that the display 21 is built-in with a controller capable of recognizing the output signal of the pressure sensor 5 and sending a signal to the buzzer 22 when the set value is exceeded, so that the buzzer 22 emits a buzzing alarm to prompt the patient and medical staff, and the display 21 is used to display the pressure detected by the pressure sensor 5 in real time.

[0042] When the device is used, the intravenous access of the patient can be normally established first, and the contrast agent can be pumped in, and the device is used for protection at the infusion end of the intravenous access of the patient, specifically, the applying mechanism 7 is aligned with the intravenous access, and then the first protective belt 1 and the second protective belt 2 are wound around the limbs of the patient from both sides and adhered to each other, so that the wearing of the whole device is completed, at this time, the pressure of the intravenous access position can be recognized by the pressure sensor 5, and the tightness of the wearing of the first protective belt 1 can be adjusted by adjusting the expansion size of the inflatable bag 4, and when extravasation occurs during the pumping of the contrast agent, the intravenous access position will first swell, because the first protective belt 1 has no elasticity, and when swelling occurs, the pressure received by the pressure sensor 5 will increase, and then the pressure sensor 5 can detect the extravasation in real time, if extravasation occurs, the medical staff can directly take off the first protective belt 1, leaving the second protective belt 2 and the applying mechanism 7, and the swelling of the patient can be soothed by the liquid in the applying mechanism 7, reducing the pain of the patient.

[0043] The utility model discloses novel structure, clever idea, simple and convenient operation, through this design effectively reached the purpose of the contrast agent exosmosis phenomenon can be detected, can adjust the wearing tightness of device, has facilitated medical staff to release the swelling pressure of venous access quickly, has increased the function of soothing the affected part in time, can exosmosis phenomenon timely alarm.

[0044] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An enhanced CT examination contrast agent extravasation real-time detection device, comprising a first guard band, characterized in that: The inside of the first protective band is provided with a detachable second protective band, a connecting band is arranged between the first protective band and the second protective band, the left and right sides of the connecting band are respectively connected with an expansion cloth bag for adjusting the tightness of wearing, the lower side of the first protective band is provided with two pressure sensors, the right side of the first protective band is fixedly connected with an alarm mechanism, and the lower side of the second protective band is detachably connected with an application mechanism.

2. The device for real-time detection of contrast medium extravasation in enhanced CT examination according to claim 1, characterized in that: The inside of each expansion cloth bag is provided with a plurality of expansion sacs in communication with each other, and the front side of the first protective band is fixedly connected with a communication pipe, the left and right ends of the communication pipe are respectively in communication with corresponding expansion sacs.

3. The device for real-time detection of contrast medium extravasation in enhanced CT examination according to claim 2, characterized in that: The right side of the first protective band is fixedly connected with an input port, the lower end of the input port is in communication with the corresponding expansion sac through the first protective band and the expansion cloth bag, the upper side of the input port is screwedly connected with a one-way valve, the upper side of the one-way valve is fixedly connected with an injection port, and the upper side of the injection port is provided with a sealing cover.

4. The device for enhancing real-time detection of contrast medium extravasation in CT examination according to claim 1, characterized in that: The left and right ends of the first protective band are respectively provided with a first magic tape and a second magic tape, the first magic tape is fixedly connected to the upper side of the first protective band, and the second magic tape is fixedly connected to the lower side of the first protective band.

5. The device for enhancing real-time detection of contrast medium extravasation in CT examination according to claim 1, characterized in that: The middle parts of the first protective band and the connecting band are both provided with a cutting port, and the upper side of the first protective band is provided with a fixed cloth for connecting the two sides of the cutting port.

6. The device for real-time detection of contrast medium extravasation in enhanced CT examination according to claim 1, characterized in that: The application mechanism comprises an application sac and an application pad, and an easy-to-tear line is arranged on the inner side wall of the application sac.

7. The device for real-time detection of contrast medium extravasation in CT examination according to claim 1, characterized in that: The alarm mechanism comprises a display and a buzzer, and each pressure sensor is electrically connected with the display.

Images