Remaining needle extravasation alarm device

Abstract

The utility model discloses a remaining needle extravasation alarm device, which belongs to the technical field of remaining needles and comprises a connecting hose, one end of the connecting hose is fixedly connected with a first pipeline, the other end of the connecting hose is provided with a remaining assembly, the remaining assembly comprises a second pipeline, the bottom end of the second pipeline is fixedly connected with a remaining pipe, and the outer end of the second pipeline is provided with a color changing assembly. The outer end of the color changing assembly is provided with the alarm assembly, the color changing assembly comprises a display layer and a cushion layer, the display layer is attached to the cushion layer, the joint of the second pipeline and the indwelling tube is located around the needle opening, the lower end of the second pipeline is sleeved with the color changing assembly, and the color changing assembly covers the needle opening. Meanwhile, the dye layer is further arranged between the display layer and the cushion layer, when liquid seepage occurs at the needle head opening, the color changing assembly can be wetted firstly, the dye layer can be wetted to enable the display layer to show a corresponding color, and therefore liquid seepage can be reminded more strikingly.

Description

Technical Field

[0001] The utility model relates to the technical field of indwelling needles, and more specifically to an indwelling needle extravasation alarm device. Background Art

[0002] An indwelling needle is a medical device, usually used for intravenous infusion or drug injection. Its main function is to be retained in the blood vessel for a long time (no more than 72 hours), allowing medical personnel to continuously or intermittently inject drugs or fluids without repeatedly piercing the skin, reducing the patient's pain and discomfort, and improving the efficiency of drug infusion. It is commonly used in hospitals, emergency and some outpatient treatments.

[0003] The Chinese patent announcement number CN212756725U discloses an indwelling needle with a backflow prevention alarm device. The infusion connection handle is provided with an anti-backflow box to effectively prevent air from entering the filtrate chamber during infusion. At the same time, if blood flows back into the filtrate chamber, the blood ion sensor with a socket in the filtrate chamber is connected to an electronic alarm to alarm. Moreover, by pressing the pressing and pressurizing convex membrane on the top of the anti-backflow box, the backflow blood can be pressed back into the veins to prevent the backflow blood from forming small blood clots in the catheter, causing unnecessary medical accidents. The infusion connection handle is provided with a connected anti-backflow device a and an anti-backflow device b, which can effectively prevent the phenomenon of cross-flow when injecting the medicine on one side. The indwelling needle is an ideal anti-backflow alarm device.

[0004] However, an indwelling needle needs to be inserted into a blood vessel from outside the skin, which will cause a wound. Inflammation may occur around the wound, resulting in exudation. At the same time, during the use of the indwelling needle, blood may coagulate in the catheter, causing blockage, and then causing pressure increase and leakage. Liquid seeps into the surrounding tissues, providing a breeding environment for bacteria, increasing the risk of local infection. The above-mentioned indwelling needle can only detect reflux, which is not conducive to improving the safety of the use of the indwelling needle.

[0005] Therefore, it is necessary to provide an indwelling needle extravasation alarm device to solve the above problems. Utility Model Content

[0006] The utility model provides an indwelling needle extravasation alarm device, which can improve the problem in the related art that during the use of the indwelling needle, blood may coagulate in the catheter, causing blockage, and then causing pressure increase and leakage, and liquid seeping into the surrounding tissue provides a breeding environment for bacteria, increasing the risk of local infection, which is not conducive to improving the safety of the use of the indwelling needle.

[0007] An embodiment of the present application provides an extravasation alarm device for an indwelling needle, comprising a connecting hose, one end of which is fixedly connected to a pipe one, the other end of which is provided with a retention component, the retention component comprising a pipe two, the bottom end of which is fixedly connected to a retention tube, a color-changing component being provided at the outer end of the pipe two, an alarm component being provided at the outer end of the color-changing component, the color-changing component comprising a display layer and a cushion layer, the display layer and the cushion layer being in contact with each other, and a dye layer being provided between the display layer and the cushion layer, the alarm component comprising a water immersion alarm, and the water immersion alarm being fixedly mounted at the outer end of the display layer.

[0008] The above technical solutions in the embodiments of the present application have at least the following technical effects:

[0009] (1) The connection between the second pipe and the indwelling tube is located around the needle port. A color-changing component is sleeved on the lower end of the second pipe. The color-changing component covers the needle port and can not only replace the medical gauze to fix the needle, but also a dye layer is provided between the display layer and the cushion layer. When the needle port leaks, the color-changing component will be soaked first, and the dye layer will be soaked to make the corresponding color appear on the display layer, thereby providing a more eye-catching reminder of the leak.

[0010] (2) An alarm component is provided at the outer end of the color-changing component. Extension head 2 and extension head 1 extend from the inside of the alarm component and are located between the display layer and the cushion layer. A piece of paper is provided between the extension head 2 and the extension head 1. When dry, the paper is almost insulated, so that the extension head 2 and the extension head 1 are not connected. When the paper is soaked, it will generate a certain conductivity. At this time, current will be generated between the extension head 2 and the extension head 1. The water immersion alarm can monitor the change of the current and sound an alarm through a buzzer, thereby improving the convenience of use and reducing the frequency of medical staff inspections.

[0011] In some embodiments, a check clamp is installed at the outer end of the connecting hose, and the connecting hose is connected to the interior of pipe one, a heparin port is provided at the outer end of pipe one, an infusion port is installed at the outer end of pipe one, both the infusion port and the heparin port are connected to the interior of pipe one, a protective cap is threadedly connected to the outer end of the infusion port, and a rubber block is provided on the inner side of the heparin port.

[0012] In some embodiments, the retention component also includes a pinch handle, the bottom end of the pinch handle is fixedly connected to a steel needle, the steel needle passes through the pipe 2 and the retention tube in sequence, the steel needle is located on the inner side of the retention tube, and the top end of the pinch handle is detachably installed with a plug, and the plug is adapted to the top end of the pipe 2.

[0013] In some embodiments, the two outer ends of the pipeline are fixedly connected to a fixing frame, and the two outer ends of the pipeline are provided with interfaces, the interfaces are connected to one end of the connecting hose, and the outer end of the retention tube is covered with a protective cover.

[0014] In some embodiments, the display layer and the cushion layer are both made of non-woven fabrics, and through holes are provided at the outer ends of the display layer and the cushion layer, the second pipe passes through the two through holes in sequence, and a tape is provided at the bottom end of the cushion layer.

[0015] In some embodiments, a buzzer is provided at the top of the water immersion alarm, and the water immersion alarm extends contact 1 and contact 2 from the inside to the outside respectively, and the contact 1 and contact 2 both penetrate the display layer.

[0016] In some embodiments, the bottom end of contact one is fixedly connected to extension head one, the bottom end of contact two is fixedly connected to extension head two, extension head two and extension head one are both located between the display layer and the cushion layer, and a piece of paper is connected between extension head two and extension head one. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the retention component structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the color-changing component structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the first structure of the alarm component of the utility model;

[0022] Figure 5 This is a second structural schematic diagram of the alarm component of the utility model.

[0023] Description of the numbers in the figure:

[0024] 1. Connect the hose;

[0025] 2. Pipeline 1;

[0026] 3. Heparin oral;

[0027] 4. Infusion port;

[0028] 5. Protective cap;

[0029] 6. Check clip;

[0030] 7. Indwelling assembly; 71. Protective sleeve; 72. Pipeline II; 73. Interface; 74. Indwelling tube; 75. Pinch handle; 76. Steel needle; 77. Fixing frame; 78. Plug;

[0031] 8. color-changing component; 81. display layer; 82. through hole; 83. dye layer; 84. cushion layer; 85. tape;

[0032] 9. Alarm assembly; 91. Water immersion alarm; 92. Buzzer; 93. Contact one; 94. Contact two; 95. Extension head two; 96. Extension head one; 97. Paper. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0034] Based on this, the problem in the related technology that during the use of the indwelling needle, blood may coagulate in the catheter, causing blockage, and then causing pressure increase and leakage. The liquid seeps into the surrounding tissues, providing a breeding environment for bacteria, increasing the risk of local infection, which is not conducive to improving the safety of the use of the indwelling needle.

[0035] See also Figure 1-Figure 5 A device for alarming extravasation of an indwelling needle comprises a connecting hose 1, one end of which is fixedly connected to a pipe 2, the other end of which is provided with an indwelling component 7, the indwelling component 7 comprises a pipe 2 72, the bottom end of which is fixedly connected to an indwelling tube 74, a color-changing component 8 is provided at the outer end of the pipe 2 72, an alarm component 9 is provided at the outer end of the color-changing component 8, the color-changing component 8 comprises a display layer 81 and a cushion layer 84, the display layer 81 and the cushion layer 84 are in contact with each other, and a dye layer 83 is provided between the display layer 81 and the cushion layer 84, the alarm component 9 comprises a water immersion alarm 91, and the water immersion alarm 91 is fixedly installed at the outer end of the display layer 81.

[0036] A check clamp 6 is installed at the outer end of the connecting hose 1, and the connecting hose 1 is connected to the inside of the pipeline 2. A heparin port 3 is provided at the outer end of the pipeline 2. An infusion port 4 is installed at the outer end of the pipeline 2. Both the infusion port 4 and the heparin port 3 are connected to the inside of the pipeline 2. A protective cap 5 is threadedly connected to the outer end of the infusion port 4, and a rubber block is provided on the inner side of the heparin port 3.

[0037] The retention component 7 also includes a pinch handle 75, the bottom end of which is fixedly connected to a steel needle 76, which passes through pipe 2 72 and the retention tube 74 in sequence, and is located on the inner side of the retention tube 74. A plug 78 is detachably installed on the top of the pinch handle 75, and the plug 78 is adapted to the top of pipe 2 72.

[0038] The outer end of the second pipe 72 is fixedly connected with a fixing frame 77 , and the outer end of the second pipe 72 is provided with an interface 73 , which is connected to one end of the connecting hose 1 , and the outer end of the retention tube 74 is covered with a protective sleeve 71 .

[0039] The device in this scheme is mainly used for hospital infusion. The two ends of the connecting hose 1 are respectively connected to the pipeline 2 and the retention component 7. The outer ends of the pipeline 2 are respectively fixed with an infusion port 4 and a heparin port 3, wherein the infusion port 4 is mainly used to insert a syringe or an infusion tube to infuse into the connecting hose 1, and the heparin port 3 is mainly used to inject heparin into the connecting hose 1. Heparin is a widely used anticoagulant drug. By diluting it with physiological saline and pushing it into the connecting hose 1, it is possible to prevent the returned blood from coagulating and forming a thrombus in the connecting hose 1. A protective cap 5 is connected to the external thread of the infusion port 4 to close the infusion port 4. A rubber block is arranged inside the heparin port 3 to isolate the heparin port 3 from the outside. When heparin needs to be injected, the needle can be directly penetrated through the rubber block. When the needle is pulled out, the rubber block will automatically close. A check clamp 6 is arranged at the outer end of the connecting hose 1. The check clamp 6 is used to block the retention component 7 and the connecting hose 1 when no infusion is performed to prevent blood reflux.

[0040] The retention component 7 connected to the other end of the connecting hose 1 is mainly used for retention after being inserted into the blood vessel. A retention tube 74 is fixed at the bottom end of the second pipe 72. The retention tube 74 is made of flexible material and can be retained in the blood vessel for a long time without irritating the blood vessel. A steel needle 76 is fixed at the bottom end of the pinch handle 75. The steel needle 76 is hard and extends through the second pipe 72 to the retention tube 74. An interface 73 is provided at the outer end of the second pipe 72. The interface 73 is connected to the connecting hose 1 so that its interior is communicated with the connecting hose 1. The fixing frame 77 fixed at the outer end is mainly used to assist in wrapping the tape to fix the pipe 2 72 on the skin. The protective sleeve 71 wrapped around the indwelling tube 74 plays a protective role. When in use, the protective sleeve 71 needs to be removed first, and then the indwelling tube 74 is inserted into the blood vessel with the assistance of the steel needle 76. Then, the steel needle 76 can be pulled out by pinching the pinching handle 75 to keep the indwelling tube 74 in the blood vessel. Then, the plug 78 installed on the pinching handle 75 is removed and plugged into the top of the pipe 2 72 to seal it. At this time, the needle insertion is completed.

[0041] Optionally, in some embodiments, see Figure 3 The display layer 81 and the cushion layer 84 are both made of non-woven fabrics, and through holes 82 are provided at the outer ends of the display layer 81 and the cushion layer 84 . The second pipe 72 passes through the two through holes 82 in sequence, and a tape 85 is provided at the bottom end of the cushion layer 84 .

[0042] The color-changing component 8 in this scheme is mainly made of a display layer 81, a cushion layer 84 and a dye layer 83, wherein the display layer 81 and the cushion layer 84 are bonded together, the dye layer 83 is located between the display layer 81 and the cushion layer 84, and the dye layer 83 is arranged on the display layer 81 and the cushion layer 84, so that the pipeline 2 72 can pass through, and the dye layer 83 is arranged around the through hole 82. The isolation of the cushion layer 84 can prevent the dye layer 83 from directly contacting the skin, thereby improving stability. A tape 85 is arranged at the bottom end of the cushion layer 84, and it can be pasted on the skin through the tape 85. The display layer 81 and the through hole 82 are both made of non-woven fabrics, which are usually white, while the dye layer 83 can be red. Or yellow eye-catching color, the display layer 81 and the cushion layer 84 are opaque when dry, the connection between the pipe 2 72 and the indwelling tube 74 is located around the needle mouth, and a color-changing component 8 is sleeved on the lower end of the pipe 2 72. The color-changing component 8 covers the needle mouth, so that it can not only replace the medical gauze to fix the needle, but also when exudate occurs at the needle mouth, the display layer 81 and the cushion layer 84 will be soaked first, and then the dye layer 83 will be soaked, and the soaked dye layer 83 will be smudged to dye the display layer 81. At this time, the corresponding color appears on the outer surface of the display layer 81, so that the exudate can be more conspicuously reminded, so that the patient or medical staff can observe it more quickly, which is conducive to improving safety.

[0043] Optionally, in some embodiments, see Figure 4 and Figure 5 A buzzer 92 is provided at the top of the water immersion alarm 91 , and a contact 1 93 and a contact 2 94 extend from the inside of the water immersion alarm 91 to the outside, respectively. The contact 1 93 and the contact 2 94 both penetrate the display layer 81 .

[0044] The bottom end of contact 1 93 is fixedly connected to extension head 1 96 , the bottom end of contact 2 94 is fixedly connected to extension head 2 95 , extension head 2 95 and extension head 1 96 are both located between the display layer 81 and the cushion layer 84 , and a paper piece 97 is connected between extension head 2 95 and extension head 1 96 .

[0045] A flood alarm 91 is also fixed at the outer end of the display layer 81. The flood alarm 91 is a prior art, and its interior is mainly composed of a current detection device and a battery. A buzzer 92 is also fixed inside the flood alarm 91. The buzzer 92 is mainly used to generate an alarm sound. Contact 1 93 and contact 2 94 are led out from the current detection device inside the flood alarm 91 and exposed from the bottom of the flood alarm 91. Extension head 1 96 and extension head 2 95 are fixed to the bottom ends of contact 1 93 and contact 2 94, respectively. Extension head 1 96 and extension head 2 95 are flatly arranged. Contact 1 93 and contact 2 94 penetrate the display layer 81, so that extension head 1 96 and extension head 2 95 are located between the display layer 81 and the cushion layer 84. A piece of paper 97 is arranged between the extension head 2 95. The piece of paper 97 is insulated in a dry state, so that the extension head 2 95 and the extension head 1 96 are not connected, so that no current is generated in the circuit, and the current detection device cannot detect the current. When the piece of paper 97 is soaked, it will generate a certain conductivity. At this time, a current will be generated between the extension head 2 95 and the extension head 1 96. The water immersion alarm 91 monitors the change of current through the internal current detection device, and then sounds an alarm through the buzzer 92, thereby improving the convenience of use and reducing the frequency of medical staff inspections. It complements the color-changing component 8. When a smaller scale of exudation occurs, it can be discovered through the color-changing component 8. When the exudate is large, the alarm component 9 will be triggered, so that the medical staff can be prompted more quickly.

[0046] Working principle: When using the device, first insert the retention component 7 into the blood vessel, and then stick the color-changing component 8 on the skin through the tape 85, which plays the role of fixing the pipe 2 72 and installing the color-changing component 8. When exudate occurs at the needle mouth, the display layer 81 and the cushion layer 84 will be soaked first, and then the dye layer 83 will be soaked. The soaked dye layer 83 will be smudged to dye the display layer 81, and the corresponding color will appear on the outer surface of the display layer 81, so that it can be more eye-catching to remind that exudate occurs. The water immersion alarm 91 is installed at the outer end of the display layer 81. When the paper sheet 97 is soaked, it will generate conductivity. At this time, a current will be generated between the extension head 2 95 and the extension head 1 96. The water immersion alarm 91 monitors the change of current through the internal current detection device, and then issues an alarm through the buzzer 92, so that medical staff can be prompted more quickly.

Claims

1. An indwelling needle extravasation alarm device, comprising a connecting hose (1), characterized in that: One end of the connecting hose (1) is fixedly connected to a pipe 1 (2), and the other end of the connecting hose (1) is provided with a retention component (7); The retention component (7) comprises a second pipe (72), the bottom end of the second pipe (72) being fixedly connected to a retention tube (74), the outer end of the second pipe (72) being provided with a color changing component (8), and the outer end of the color changing component (8) being provided with an alarm component (9); The color-changing component (8) comprises a display layer (81) and a cushion layer (84), wherein the display layer (81) and the cushion layer (84) are bonded to each other, and a dye layer (83) is provided between the display layer (81) and the cushion layer (84); The alarm component (9) comprises a water immersion alarm (91), and the water immersion alarm (91) is fixedly mounted on the outer end of the display layer (81).

2. The indwelling needle extravasation alarm device according to claim 1, characterized in that: A check clamp (6) is installed at the outer end of the connecting hose (1), and the connecting hose (1) is connected to the interior of the first pipe (2). A heparin port (3) is provided at the outer end of the first pipe (2). An infusion port (4) is installed at the outer end of the first pipe (2). Both the infusion port (4) and the heparin port (3) are connected to the interior of the first pipe (2). A protective cap (5) is threadedly connected to the outer end of the infusion port (4), and a rubber block is provided on the inner side of the heparin port (3).

3. The indwelling needle extravasation alarm device according to claim 1, characterized in that: The retention component (7) further comprises a pinch handle (75), the bottom end of which is fixedly connected to a steel needle (76), the steel needle (76) sequentially passing through the second pipe (72) and the retention tube (74), the steel needle (76) being located on the inner side of the retention tube (74), and a plug (78) being detachably mounted on the top end of the pinch handle (75), the plug (78) being adapted to the top end of the second pipe (72).

4. The indwelling needle extravasation alarm device according to claim 3, characterized in that: The outer end of the second pipe (72) is fixedly connected to a fixing frame (77), and the outer end of the second pipe (72) is provided with an interface (73), the interface (73) is connected to one end of the connecting hose (1), and the outer end of the retention tube (74) is covered with a protective sleeve (71).

5. The indwelling needle extravasation alarm device according to claim 1, characterized in that: The display layer (81) and the cushion layer (84) are both made of non-woven fabrics, and the outer ends of the display layer (81) and the cushion layer (84) are both provided with through holes (82), the second pipe (72) passes through the two through holes (82) in sequence, and the bottom end of the cushion layer (84) is provided with an adhesive tape (85).

6. The indwelling needle extravasation alarm device according to claim 1, characterized in that: A buzzer (92) is provided at the top of the water immersion alarm (91), and contact point 1 (93) and contact point 2 (94) extend from the inside of the water immersion alarm (91) to the outside, respectively, and both contact point 1 (93) and contact point 2 (94) penetrate the display layer (81).

7. The indwelling needle extravasation alarm device according to claim 6, characterized in that: The bottom end of the contact point 1 (93) is fixedly connected to an extension head 1 (96), the bottom end of the contact point 2 (94) is fixedly connected to an extension head 2 (95), the extension head 2 (95) and the extension head 1 (96) are both located between the display layer (81) and the cushion layer (84), and a paper sheet (97) is connected between the extension head 2 (95) and the extension head 1 (96).

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