Transfusion structure with timing function

Abstract

The utility model relates to an infusion structure with a timing function. The infusion structure comprises a positioning disc, a conical intubation tube is installed at the upper end of the positioning disc, a liquid drainage rubber tube is arranged at the bottom end of the conical intubation tube, the side wall of the liquid drainage rubber tube is connected with a ventilation tube, a timing plug is arranged at the upper end of the ventilation tube, and the bottom end of the ventilation tube penetrates through the positioning disc. The utility model relates to the technical field of medical infusion. According to the infusion structure with the timing function, through the arrangement of the floating air cavity, when the liquid level in the liquid medicine dropping bottle descends to the upper pipe opening of the ventilation pipe, liquid medicine cannot generate buoyancy on the floating air cavity, at the moment, the gravity rod moves downwards under the action of gravity, the floating air cavity makes contact with the upper pipe opening, and the purpose of blocking the ventilation pipe is achieved; at the moment, air cannot enter the liquid medicine dropping bottle, the liquid medicine in the liquid discharging rubber pipe cannot continue to flow, and then the situation that blood flows back is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of medical infusion, in particular to an infusion structure with a timing function. Background Art

[0002] In the field of medical care equipment, infusion tubes are the most common equipment. Existing infusion tubes are composed of a rubber hose, an infusion needle, an infusion regulator and an air inlet tube.

[0003] The existing air inlet pipe is connected to the conical cannula connected to the top of the rubber hose, and is used to allow air to enter the interior of the infusion bottle, so as to achieve the purpose of allowing the drug solution to be discharged.

[0004] When the liquid medicine in the infusion bottle of the existing infusion tube is completely discharged, the patient or the nurse needs to observe in real time. However, since the mental state of the patient is poor when he is sick, it is difficult for him to concentrate on observing the state of the liquid medicine when taking the medicine. In addition, when there are many patients, the nurses have to take care of more patients, so it is difficult to observe the patient's liquid medicine in real time, resulting in the blood reflux in the blood vessels, which causes damage to the patient. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide an infusion structure with a timing function, so as to solve the technical problems mentioned in the above background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] An infusion structure with a timing function comprises a positioning plate, a conical cannula is installed at the upper end of the positioning plate, a drainage hose is arranged at the bottom end of the conical cannula, a vent pipe is connected to the side wall of the drainage hose, a timing plug is arranged at the upper end of the vent pipe, the bottom end of the vent pipe passes through the positioning plate, and the bottom end of the vent pipe is connected to a joint casing, and an alarm mechanism is arranged inside the joint casing.

[0008] Furthermore, the timing plug includes a gravity rod, which is located inside the upper pipe opening of the ventilation pipe. A floating air cavity is provided at the upper end of the gravity rod, and air inlet grooves are opened on both sides of the gravity rod.

[0009] Furthermore, the top of the floating air cavity is conical.

[0010] Furthermore, the alarm mechanism includes a buzzer, which is installed inside the joint housing, and air inlets are provided on the edge of the buzzer and the inner wall of the joint housing, and a trigger switch is provided on the side of the buzzer.

[0011] Furthermore, the trigger switch includes a connecting shaft and a conductive sheet, the connecting shaft is connected to the positive pole of the buzzer, the conductive sheet is rotationally connected to the connecting shaft, and the conductive sheet is electrically connected to the positive pole of the buzzer, and the bottom side of the conductive sheet is in contact with the negative pole of the buzzer.

[0012] Furthermore, a wind-raising plate is provided at the bottom of the conductive sheet, and the wind-raising plate extends to one side of the air inlet.

[0013] In summary, the present invention includes at least one of the following beneficial technical effects:

[0014] 1. This infusion structure with a timing function, through the setting of the floating air cavity, when the liquid level inside the medicine dropper bottle drops to the upper tube opening of the ventilation tube, the medicine liquid cannot generate buoyancy on the floating air cavity. At this time, the gravity rod moves downward under the action of gravity, so that the floating air cavity and the upper tube opening contact each other, thereby achieving the purpose of blocking the ventilation tube. At this time, air cannot enter the medicine dropper bottle, and the medicine liquid in the discharge hose cannot continue to flow, thereby avoiding the occurrence of blood reflux;

[0015] 2. This infusion structure with a timing function, when air passes through the inside of the ventilation tube, the air pushes the conductive sheet to separate it from the negative electrode of the buzzer, thereby disconnecting the circuit of the buzzer and making the buzzer unable to make a sound. When no air passes through the inside of the ventilation tube, the conductive sheet contacts the negative electrode of the buzzer again under the action of gravity, causing the buzzer to sound an alarm, thereby achieving the purpose of sounding an alarm after the medicine in the medicine dropper bottle is discharged, thereby reminding the patient and the nurse that the medicine is exhausted. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 The utility model is a structural schematic diagram of an infusion structure with a timing function.

[0018] Figure 2 The utility model is a schematic diagram of the structure inside a conical cannula of an infusion structure with a timing function.

[0019] Figure 3 The utility model is a structural schematic diagram of an alarm mechanism of an infusion structure with a timing function.

[0020] Figure 4 The utility model is an infusion structure with a timing function Figure 2 A magnified view of the structure at A.

[0021] In the figure, 1. positioning plate; 2. conical insert; 3. drain hose; 4. vent pipe; 5. timing plug; 51. gravity rod; 52. floating air cavity; 53. air inlet groove; 6. joint housing; 7. alarm mechanism; 71. buzzer; 72. air inlet; 73. trigger switch; 731. connecting shaft; 732. conductive sheet; 733. ventilator plate. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0023] Example:

[0024] Reference Figure 1 - Figure 4 The utility model discloses an infusion structure with a timing function, comprising a positioning plate 1, a conical cannula 2 is installed on the upper end of the positioning plate 1, a drainage hose 3 is arranged at the bottom end of the conical cannula 2, a vent pipe 4 is connected to the side wall of the drainage hose 3, a timing plug 5 is arranged at the upper end of the vent pipe 4, the bottom end of the vent pipe 4 passes through the positioning plate 1, and the bottom end of the vent pipe 4 is connected to a joint casing 6, and an alarm mechanism 7 is arranged inside the joint casing 6.

[0025] In this embodiment, when in use, the conical cannula 2 is inserted into the interior of the medicine dropper bottle, and the positioning plate 1 is in contact with the bottle mouth, so that the inner cavity of the medicine dropper bottle and the inner cavity of the conical cannula 2 are connected to each other. When there is liquid medicine in the medicine dropper bottle, the buoyancy of the timing plug 5 itself makes it float, and the inner cavity of the medicine dropper bottle is connected to the outside through the ventilation tube 4. At this time, air can enter the interior of the medicine dropper bottle through the ventilation tube 4, and the medicine will be discharged through the conical cannula 2 and the drainage hose 3. When the liquid level of the medicine in the medicine dropper bottle drops to the same level as the conical cannula 2, The medicine liquid cannot provide buoyancy to the timing plug 5. At this time, the timing plug 5 will block the ventilation tube 4, so that the cavity inside the medicine dropper bottle cannot be connected to the outside world. At this time, the medicine liquid cannot be discharged from the bottom of the discharge hose 3, and it can be used on medicine droppers of different sizes. An alarm will be issued when the medicine liquid is exhausted, which effectively improves the applicability of the device. The hydraulic pressure inside the discharge hose 3 is used to prevent blood from flowing back into the bottle, and the joint housing 6 is movably connected to the ventilation tube 4, so that the joint housing 6 can be replaced on different infusion tubes, thereby achieving the effect of reusing the alarm mechanism 7.

[0026] In a further preferred embodiment of the present invention, Figure 1-4 As shown, the timing plug 5 includes a gravity rod 51 , which is located inside the upper pipe opening of the ventilation pipe 4 , a floating air cavity 52 is provided at the upper end of the gravity rod 51 , and air inlet grooves 53 are opened on both sides of the gravity rod 51 .

[0027] In this embodiment, the gravity rod 51 is provided for guidance so that the gravity rod 51 can slide inside the upper tube opening of the vent pipe 4. When there is liquid medicine inside the medicine dropper bottle, the buoyancy generated by the liquid medicine causes the floating air cavity 52 to float up, and the gravity rod 51 is dragged upward so that the position of the air inlet groove 53 is flush with the upper tube opening of the vent pipe 4. At this time, the air can float upward through the air inlet pipe. At this time, the air can enter the bottom of the medicine dropper bottle through the vent pipe 4, so that the liquid medicine inside the medicine dropper bottle can be discharged through the drainage pipe. The effect of discharge through the hose 3 is that when the medicine in the medicine dropper bottle is discharged to the liquid level and drops to the upper pipe opening of the ventilation tube 4, the buoyancy of the medicine on the floating air cavity 52 is reduced. At this time, the gravity rod 51 moves downward under the action of gravity, so that the position of the air inlet groove 53 is located below the upper pipe opening of the ventilation tube 4. At this time, the floating air cavity 52 and the upper pipe opening are in contact with each other, thereby achieving the purpose of blocking the ventilation tube 4, preventing air from entering the medicine dropper bottle, and the medicine in the discharge hose 3 cannot continue to flow, thereby avoiding the occurrence of blood reflux.

[0028] In a further preferred embodiment of the present invention, Figure 1-4 As shown, the top of the floating air cavity 52 is conical.

[0029] In this embodiment, the conical floating air cavity 52 is provided to facilitate the timing plug 5 to follow the conical cannula 2 and be inserted into the medicine dropper bottle.

[0030] In a further preferred embodiment of the present invention, Figure 1-4 As shown, the alarm mechanism 7 includes a buzzer 71, which is installed inside the joint housing 6, and an air inlet 72 is provided between the edge of the buzzer 71 and the inner wall of the joint housing 6, and a trigger switch 73 is provided on the side of the buzzer 71.

[0031] In this embodiment, by setting the trigger switch 73, when air enters the medicine dropper bottle through the ventilation tube 4, the flowing air will push the trigger switch 73 to prevent the trigger switch 73 and the buzzer 71 from closing, thereby preventing the buzzer 71 from generating an alarm. After the medicine in the medicine dropper bottle is discharged, the ventilation tube 4 is blocked and the air cannot flow. At this time, the positive and negative poles of the trigger switch 73 and the buzzer 71 are in contact with each other, and the buzzer 71 generates an alarm, thereby achieving the effect of reminding the patient and the nurse.

[0032] In a further preferred embodiment of the present invention, Figure 1-4As shown, the trigger switch 73 includes a connecting shaft 731 and a conductive sheet 732, the connecting shaft 731 is connected to the positive pole of the buzzer 71, the conductive sheet 732 is rotationally connected to the connecting shaft 731, and the conductive sheet 732 is electrically connected to the positive pole of the buzzer 71, and the bottom side of the conductive sheet 732 is in contact with the negative pole of the buzzer 71.

[0033] In this embodiment, the connection shaft 731 is configured to enable one end of the conductive sheet 732 to be rotationally connected to the positive pole of the buzzer 71, and the other end to be in contact with the negative pole of the buzzer 71, so that the conductive sheet 732 and the buzzer 71 form a closed loop, so that the buzzer 71 is energized to generate an alarm, and when air passes through the inside of the ventilation tube 4, the air pushes the conductive sheet 732 to separate it from the negative pole of the buzzer 71, thereby achieving the effect of disconnecting the circuit of the buzzer 71 and preventing the buzzer 71 from making a sound, and when no air passes through the inside of the ventilation tube 4, the conductive sheet 732 contacts the negative pole of the buzzer 71 again under the action of gravity, so that the buzzer 71 generates an alarm, thereby achieving the purpose of alarming after the liquid medicine in the liquid medicine dropper bottle is discharged.

[0034] In a further preferred embodiment of the present invention, Figure 1-4 As shown, a vent plate 733 is provided at the bottom of the conductive sheet 732 , and the vent plate 733 extends to one side of the air inlet 72 .

[0035] In this embodiment, the air scoop plate 733 is provided to improve the sensitivity of the conductive sheet 732 to air flow, thereby achieving the effect of improving the accuracy of the device.

[0036] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An infusion structure with a timing function, comprising a positioning plate (1), characterized in that: A conical insert (2) is installed at the upper end of the positioning plate (1), a drainage hose (3) is arranged at the bottom end of the conical insert (2), a vent pipe (4) is connected to the side wall of the drainage hose (3), a timing plug (5) is arranged at the upper end of the vent pipe (4), the bottom end of the vent pipe (4) passes through the positioning plate (1), and the bottom end of the vent pipe (4) is connected to a joint casing (6), and an alarm mechanism (7) is arranged inside the joint casing (6); The timing plug (5) comprises a gravity rod (51), the gravity rod (51) is located inside the upper pipe opening of the ventilation pipe (4), a floating air cavity (52) is arranged at the upper end of the gravity rod (51), and air inlet grooves (53) are opened on both sides of the gravity rod (51).

2. The infusion structure with timing function according to claim 1, characterized in that: The top of the floating air cavity (52) is conical.

3. The infusion structure with timing function according to claim 2, characterized in that: The alarm mechanism (7) comprises a buzzer (71), the buzzer (71) is installed inside the articulated housing (6), and an air inlet (72) is provided at the edge of the buzzer (71) and the inner wall of the articulated housing (6), and a trigger switch (73) is provided on the side of the buzzer (71).

4. The infusion structure with timing function according to claim 3, characterized in that: The trigger switch (73) comprises a connecting shaft (731) and a conductive sheet (732), wherein the connecting shaft (731) is connected to the positive electrode of the buzzer (71), the conductive sheet (732) is rotationally connected to the connecting shaft (731), and the conductive sheet (732) is electrically connected to the positive electrode of the buzzer (71), and the bottom side of the conductive sheet (732) is in contact with the negative electrode of the buzzer (71).

5. The infusion structure with timing function according to claim 4, characterized in that: A vent plate (733) is provided at the bottom of the conductive sheet (732), and the vent plate (733) extends to one side of the air inlet (72).

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