Automatic monitoring and alarming device for radiocontrast agent

Abstract

The utility model discloses a radiocontrast agent automatic monitoring alarm device which comprises a high-pressure injector body and a monitoring ring body and is characterized in that the monitoring ring body comprises a contraction ring, a monitoring mechanism is fixedly installed in the middle of one side of the contraction ring, and an opening is formed in the side, away from the monitoring mechanism, of the monitoring ring body; a pressure detector and a flow detector are mounted on the inner side of the monitoring mechanism; and the opening of the monitoring ring main body is provided with a connecting structure capable of adjusting the circumferential connecting length so as to adjust the inner diameter of the contraction ring. By arranging the monitoring ring main body, the device can be adjusted according to the diameter of the second catheter, can adapt to infusion tubes of different models, is simple to operate, only needs to be tensioned by an adhesive tape, does not need to be customized according to the diameter of a pipeline, reduces the cost, and improves the use effect.

Description

Technical Field

[0001] The utility model relates to the field of medical equipment, in particular to an automatic monitoring and alarm device for radiographic contrast agents. Background Art

[0002] Angiography technology is an imaging auxiliary examination method that has developed rapidly in recent years. X-ray angiography and ultrasound angiography are commonly used in clinical practice. As the name suggests, contrast agents are essential for angiography examinations. Contrast agents, also known as contrast agents, are chemicals injected or taken into human tissues or organs to enhance imaging observation effects. Contrast agent extravasation refers to the rupture of the injected superficial veins during non-invasive vascular imaging examinations and magnetic resonance enhanced scanning examinations of the body's blood vessels, resulting in the leakage of contrast agents from the blood vessels into the adjacent tissue spaces, causing congestion and swelling of the corresponding tissues.

[0003] Existing technologies have found that contrast agents are highly irritating. When contrast agents are injected, mild extravasation of contrast agents can cause local skin swelling, pallor or erythema. Severe cases can cause skin tissue damage, ulcers, necrosis and other adverse reactions, causing great pain to patients and increasing the risk of medical disputes in the department.

[0004] In the prior art, the patent with publication number CN215275041U provides a pressure and flow rate monitoring device for contrast agent injection, which includes: a monitoring component, which includes a clamp, which is clamped on the catheter of the indwelling needle for contrast agent injection; the clamp has a built-in pressure monitoring sensor and a flow rate sensor; and a wearable device, which is connected to the pressure monitoring sensor and flow rate sensor in the monitoring component through a wireless communication module.

[0005] However, the above solution has the following shortcomings: the monitoring ring in the device cannot adapt to the diameter of the catheter, and it can only adapt to one type of catheter. In actual use, different types of catheters are often used according to the actual situation of the patient. At this time, different monitoring rings need to be purchased and customized, which undoubtedly increases the difficulty of use and leads to increased costs.

[0006] Therefore, it is necessary to propose an automatic monitoring and alarm device for radiocontrast agents to solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to provide an automatic monitoring and alarm device for radiographic contrast agents, so as to solve the problem that the monitoring ring cannot be adapted according to the tube diameter.

[0008] To achieve the above objectives, the present invention provides the following technical solutions:

[0009] A radiographic contrast agent automatic monitoring and alarm device comprises a high-pressure injector body and a monitoring ring body, wherein the monitoring ring body comprises a shrinking ring, a monitoring mechanism is fixedly mounted on the middle portion of one side of the shrinking ring, and the monitoring ring body has an opening on a side away from the monitoring mechanism; a pressure detector and a flow detector are mounted on the inner side of the monitoring mechanism; the opening of the monitoring ring body has a connection structure with an adjustable circumferential connection length to adjust the inner diameter of the shrinking ring.

[0010] Preferably, the connection structure is a Velcro structure.

[0011] Preferably, the opening has a first end and a second end opposite to each other; the opening of the monitoring ring body has a sticky tape body; one end of the sticky tape body is fixedly connected to the outer wall of the first end, the inner side of the sticky tape body has a male surface of the fastener, and the outer wall of the second end has a female surface of the fastener.

[0012] Preferably, an AD converter is fixedly installed inside the monitoring mechanism, a wireless signal transmitting device is fixedly installed on one side of the monitoring mechanism, a delivery interface is fixedly installed on the side of the monitoring mechanism away from the wireless signal transmitting device, the delivery interface is connected to an external cable, and a controller is also fixedly installed inside the monitoring mechanism.

[0013] Preferably, the high-pressure injector body comprises a base, a support rod is fixedly mounted on the middle portion of the upper surface of the base, and an injection housing is rotatably mounted on one end of the support rod away from the base.

[0014] Preferably, two mutually symmetrical injection heads are installed at the lower end of the injection shell, and a pump body is provided inside the base and inside the injection shell. The pump body is connected to the two injection heads through a pipeline.

[0015] Preferably, the output ends of the two injection heads are both detachably mounted with a first conduit, a second conduit is provided on the side of the two first conduits away from the injection heads, the two first conduits are both mounted at the ends of the second conduits, and the monitoring ring body is sleeved on the outside of the second conduit.

[0016] Preferably, the monitoring mechanism is further provided with an extrusion assembly for extruding the infusion tube.

[0017] Preferably, a central control system is installed on one side of the injection shell.

[0018] Preferably, a miniature buzzer is fixedly mounted on the lower inner end of the monitoring mechanism, and an alarm light is fixedly mounted on one side of the outer ring of the monitoring mechanism.

[0019] Preferably, an indwelling needle is detachably mounted on one end of the second catheter away from the first catheter.

[0020] Technical effects and advantages of this utility model:

[0021] 1. By setting up the monitoring ring body, the device can be adjusted according to the diameter of the second catheter, and can cope with different types of infusion tubes. It is simple to operate and only needs to be tightened with Velcro. There is no need to customize it according to the diameter of the pipeline, which reduces costs and improves the use effect.

[0022] 2. By setting up a micro-cylinder, when the pressure or flow rate inside the second catheter exceeds a threshold, the controller will control the micro-cylinder to work, and the micro-cylinder will squeeze the second catheter, making it closed, thereby reducing the amount of liquid passing through. Even after the pump body completely stops supplying, the micro-cylinder can still maintain the pressure inside the second catheter, preventing the contrast agent from backflowing or continuing to be delivered due to pressure loss;

[0023] 3. The device has a simple structure, is easy to operate, and is made of common materials, so its manufacturing cost and maintenance cost are low, and it can be manufactured and purchased in large quantities. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic structural diagram of the monitoring ring body in the utility model.

[0025] Figure 2 This is a schematic structural diagram of the high-pressure injector body of the present invention.

[0026] Figure 3 It is a schematic diagram of the connection structure between the monitoring mechanism and the push block in the utility model.

[0027] Figure 4 It is a schematic diagram of the internal structure of the monitoring mechanism in the utility model.

[0028] In the figure: 1. High-pressure injector body; 2. Monitoring ring body; 3. AD converter; 4. Wireless signal transmitter; 5. Delivery interface; 6. Micro buzzer; 7. Controller; 11. Base; 12. Support rod; 13. Injection shell; 14. Central control system; 15. Injection head; 16. First catheter; 17. Second catheter; 18. Indwelling needle; 21. Shrink ring; 22. Monitoring mechanism; 23. Alarm light; 24. Micro cylinder; 25. Push block; 26. Velcro; 27. Pressure detector; 28. Flow detector. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] The utility model provides Figures 1-4 The illustrated automatic monitoring and alarm device for radiographic contrast agents comprises a high-pressure injector body 1 and a monitoring ring body 2. High-pressure injector body 1, an auxiliary device in radiological diagnosis and treatment systems, has gradually gained clinical application with the advancement of X-ray, rapid film changers, image intensifiers, and artificial contrast agents. The basic function of a high-pressure injector is to rapidly and accurately inject a sufficient amount of high-concentration X-ray contrast agent into the examination site within a specified timeframe, either through percutaneous puncture or through pre-existing orifices in the human body. This allows for diagnostic imaging and treatment of lesions.

[0031] The high-pressure syringe body 1 includes a base 11. The lower surface of the base 11 is equipped with universal wheels to facilitate the user's movement. A support rod 12 is fixedly installed in the middle of the upper surface of the base 11. The support rod 12 has the function of rotating and extending, and then selects a suitable position according to the patient's condition. The end of the support rod 12 away from the base 11 is rotatably installed with an injection shell 13, and a central control system 14 is installed on one side of the injection shell 13. Two symmetrical injection heads 15 are installed at the lower end of the injection shell 13. Pump bodies are provided inside the base 11 and the injection shell 13. The pump bodies are connected to the two injection heads 15 through pipes. The two pump bodies have different functions. One pump body is used to output physiological saline, and the other pump body is used to deliver contrast agent required for angiography. The central control system 14 is used to display the current pressure flow rate, etc., as well as to control the operation of the pump body and some other components, and transmit real-time data to the staff in the control room.

[0032] The output ends of the two injection heads 15 are both detachably mounted with a first catheter 16, and a second catheter 17 is provided on the side of the two first catheters 16 away from the injection heads 15. The two first catheters 16 are both mounted at the end of the second catheter 17, and an indwelling needle 18 is detachably mounted on the end of the second catheter 17 away from the first catheter 16, and the monitoring ring body 2 is sleeved on the outside of the second catheter 17.

[0033] The two injection heads 15 output physiological saline and contrast agent respectively, which are simultaneously input into the interior of the second catheter 17, and then transmitted together into the indwelling needle 18, and delivered into the patient's body through the indwelling needle 18. The monitoring ring body 2 can monitor the current pressure and flow rate in the tube in real time and achieve a certain degree of control.

[0034] The monitoring ring body 2 includes a shrinking ring 21, and a monitoring mechanism 22 is fixedly installed in the middle of one side of the shrinking ring 21. The monitoring mechanism 22 can be used as a gripping structure for the operator to grip and operate. The monitoring ring body 2 has an opening on the side away from the monitoring mechanism 22. A push block 25 is fixed in the middle of the side of the monitoring mechanism 22 close to the opening, and a micro cylinder 24 is fixedly installed on the side of the monitoring mechanism 22 away from the push block 25. The push block 25 and the micro cylinder 24 can constitute an extrusion assembly. Of course, the extrusion assembly is an optional structure of the present application. The driving end of the micro cylinder 24 passes through the monitoring mechanism 22 and is fixedly installed in the middle of the push block 25. A pressure detector 27 and a flow detector 28 are installed on the side of the monitoring mechanism 22 close to the opening. The pressure detector 27 and the flow detector 28 are located on both sides of the push block 25. A Velcro 26 is bonded to the side of the shrinking ring 21 close to the opening, and the two ends of the Velcro 26 are respectively adhered to the two ends of the shrinking ring 21.

[0035] It should be noted that the shrink ring 21 is made of elastic silicone material, and the Velcro 26 can be but is not limited to medical tape, which makes the device more convenient to use and can achieve its effect with simple materials, thereby increasing practicality.

[0036] An AD converter 3 is fixedly mounted on the upper end of the monitoring mechanism 22, and a wireless signal transmitter 4 is fixedly mounted on one side of the monitoring mechanism 22. A miniature buzzer 6 is fixedly mounted on the lower end of the monitoring mechanism 22. A transmission interface 5 is fixedly mounted on the side of the monitoring mechanism 22 away from the wireless signal transmitter 4. The transmission interface 5 is connected to an external cable. A controller 7 is also fixedly mounted on the monitoring mechanism 22, and an alarm light 23 is fixedly mounted on one side of the outer ring of the monitoring mechanism 22.

[0037] When in use, you can first hold the micro cylinder 24, and then tighten the Velcro 26 with force to make the shrink ring 21 close to the outer wall of the second conduit 17. At this time, the pressure detector 27 and the flow detector 28 can monitor the pressure and flow rate inside the second conduit 17 in real time. The pressure detector 27 and the flow detector 28 will send electrical signals to the AD converter 3 and the controller 7 in real time. The AD converter 3 can convert the electrical signals transmitted by the pressure detector 27 and the flow detector 28 into visible digital signals, and send the digital signals to the outside control room through the wireless signal transmitter 4, so that the staff can observe the current status of the instrument in real time. At the same time, the pressure detector 27 and the flow detector 28 will transmit the signals to the controller 7 through the transmission interface 5. The central control system 14 sends a signal to the controller 7 if the pressure or flow rate inside the second catheter 17 exceeds a threshold value. The controller 7 controls the alarm light 23, the micro-buzzer 6, and the micro-cylinder 24 to operate. The alarm light 23 and the micro-buzzer 6 can alert the staff that the patient may be feeling unwell or have a blockage. The micro-cylinder 24 pushes the push block 25, which squeezes the second catheter 17, thereby preventing the liquid inside the second catheter 17 from flowing. At the same time, the central control system 14 controls the two pumps to stop working to prevent accidents. The micro-cylinder 24 squeezes the second catheter 17 to maintain the pressure inside the second catheter 17 and prevent blood from flowing back.

[0038] It should be understood that the above description is for illustration and not for limitation. Many embodiments and many applications beyond the examples provided will be apparent to those skilled in the art upon reading the above description. Therefore, the scope of the present teachings should not be determined with reference to the above description, but rather with reference to the appended claims and the full scope of equivalents to which such claims are entitled. For the purpose of comprehensiveness, all articles and references, including disclosures of patent applications and publications, are incorporated herein by reference. The omission of any aspect of the subject matter disclosed herein from the foregoing claims is not intended to be a disclaimer of such subject matter, nor should it be assumed that the inventors did not consider such subject matter to be part of the disclosed inventive subject matter.

Claims

1. A radiographic contrast agent automatic monitoring and alarm device, comprising a high-pressure injector body and a monitoring ring body, characterized in that: The monitoring ring body includes a shrinking ring, a monitoring mechanism is fixedly installed in the middle of one side of the shrinking ring, and the monitoring ring body has an opening on the side away from the monitoring mechanism; a pressure detector and a flow detector are installed on the inner side of the monitoring mechanism; the opening of the monitoring ring body has a connection structure with an adjustable circumferential connection length to adjust the inner diameter of the shrinking ring.

2. The automatic monitoring and alarm device for radioactive contrast agents according to claim 1, characterized in that: The connection structure is a Velcro structure.

3. The automatic monitoring and alarm device for radiocontrast agents according to claim 1, characterized in that: The opening has a first end and a second end opposite to each other; the opening of the monitoring ring body has a sticky tape body; one end of the sticky tape body is fixedly connected to the outer wall of the first end, the inner side of the sticky tape body has a hook and loop male surface, and the outer wall of the second end has a hook and loop female surface.

4. The automatic monitoring and alarm device for radioactive contrast agents according to claim 1, characterized in that: An AD converter is fixedly installed inside the monitoring mechanism, a wireless signal transmitting device is fixedly installed on one side of the monitoring mechanism, a transmission interface is fixedly installed on the side of the monitoring mechanism away from the wireless signal transmitting device, the transmission interface is connected to an external cable, and a controller is also fixedly installed inside the monitoring mechanism.

5. The automatic monitoring and alarm device for radiocontrast agents according to claim 1, characterized in that: The high-pressure injector body comprises a base, a support rod is fixedly mounted on the middle portion of the upper surface of the base, and an injection housing is rotatably mounted on one end of the support rod away from the base.

6. The automatic monitoring and alarm device for radioactive contrast agents according to claim 5, characterized in that: Two mutually symmetrical injection heads are installed at the lower end of the injection shell. A pump body is provided inside the base and inside the injection shell. The pump body is connected to the two injection heads through a pipeline.

7. The automatic monitoring and alarm device for radioactive contrast agents according to claim 6, characterized in that: The output ends of the two injection heads are both detachably mounted with a first conduit, a second conduit is provided on the side of the two first conduits away from the injection heads, the two first conduits are both mounted at the ends of the second conduits, and the monitoring ring body is sleeved on the outside of the second conduit.

8. The radiocontrast agent automatic monitoring and alarm device according to claim 1, characterized in that: The monitoring mechanism is also provided with an extrusion component for extruding the infusion tube.

9. The automatic monitoring and alarm device for radioactive contrast agents according to claim 6, characterized in that: A central control system is installed on one side of the injection housing.

10. The automatic monitoring and alarm device for radioactive contrast agents according to claim 1, characterized in that: A miniature buzzer is fixedly mounted on the lower inner end of the monitoring mechanism, and an alarm light is fixedly mounted on one side of the outer ring of the monitoring mechanism.

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