Infusion apparatus with filtering structure

Abstract

The utility model provides an infusion apparatus with a filter structure, which relates to the technical field of medical instruments and comprises an upper hook and a filter mechanism, the filter mechanism is arranged on the outer side of the upper hook and comprises a peristaltic pump, a filter tube and a liquid storage component, the peristaltic pump is arranged below the upper hook, the filter tube is arranged on the inner side of the peristaltic pump, and the liquid storage component is arranged on the filter tube. Through the arrangement of the filtering mechanism, when the device is used, through the arrangement of the peristaltic pump, the device can extrude the filtering pipe, so that the filtering pipe can extrude liquid medicine in an external medicine bottle into the liquid storage assembly, and through the arrangement of the liquid storage assembly, the liquid medicine in the liquid medicine bottle can be filtered out through the liquid storage assembly; through the arrangement of the infusion mechanism and the arrangement of the infusion upper tube, the infusion mechanism can feed the liquid medicine in the liquid storage bottle into the infusion lower tube during use, and the flow control valve on the outer side of the infusion lower tube can control the speed of the liquid medicine entering veins of a patient.

Description

Technical Field

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

[0002] An infusion set with a filtering structure is a special medical device used to filter liquid during infusion to ensure the purity and safety of the infusion liquid. This infusion set usually includes a filter assembly to prevent microorganisms, particles or other contaminants from entering the patient's body.

[0003] After searching, the patent number "CN201558378U" mentioned "an infusion set, which adds a spherical protrusion between the flow control valve and the needle of an ordinary disposable infusion set, and the spherical protrusion is made of elastic material. One side of the spherical protrusion is harder than the other side, and can be deformed under the action of external force, but it will not return to its original shape after the external force is removed, and it must be reset under the action of external force; the other side of the spherical protrusion is softer and easily deformed under the action of external force. After the external force is removed, it is very easy to return to its original shape under the action of its own elasticity. The utility model has a simple structure, easy operation, obvious blood return phenomenon, and is easy to distinguish whether the puncture is successful, thereby improving the success rate of puncture, improving work efficiency, and reducing the patient's pain." The device directly performs infusion. For a patient in poor physical condition, some impurities in the medicine will cause adverse effects.

[0004] Therefore, we provide an infusion set with a filtering structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an infusion set with a filtering structure to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an infusion set with a filtering structure, comprising an upper hook and a filtering mechanism, wherein the outer side of the upper hook is provided with a filtering mechanism;

[0007] The filtering mechanism comprises a peristaltic pump, a filter tube and a liquid storage component. The peristaltic pump is arranged below the upper hook, the filter tube is arranged inside the peristaltic pump, and the liquid storage component is arranged below the filter tube.

[0008] Preferably, the peristaltic pump comprises a motor, an outer frame and a peristaltic head, the bottom end of the upper hook is fixedly connected to the motor, one side of the motor is provided with an outer frame, and the inner side of the outer frame is provided with a peristaltic head.

[0009] Preferably, the filter tube includes a filter circular tube, a filter upper tube, a filter upper needle, a filter lower tube and a filter connector. A filter circular tube is arranged on the outside of the peristaltic head. The top end of the filter circular tube is fixedly connected to the filter upper tube, the top end of the filter upper tube is fixedly connected to the filter upper needle, the bottom end of the filter circular tube is fixedly connected to the filter lower tube, and the bottom end of the filter lower tube is fixedly connected to the filter connector.

[0010] Preferably, the liquid storage assembly includes a filter plate, a liquid storage bottle, an exhaust valve and a filter lower connecting plate. A filter plate is arranged below the filter connector, the bottom end of the filter plate is fixedly connected to the liquid storage bottle, the outside of the liquid storage bottle is fixedly connected to the exhaust valve, and the bottom end of the liquid storage bottle is fixedly connected to the filter lower connecting plate.

[0011] Preferably, an infusion mechanism is arranged below the filtering mechanism, the infusion mechanism comprises an upper infusion tube and a lower infusion tube, an upper infusion tube is arranged below the liquid storage component, and a lower infusion tube is arranged below the upper infusion tube.

[0012] Preferably, the top of the infusion upper tube is fixedly connected to an infusion upper needle, one side of the infusion upper needle is provided with an upper needle pull-out ear, the lower part of the infusion upper needle is fixedly connected to a liquid storage tube, and the outer side of the liquid storage tube is provided with an infusion exhaust valve.

[0013] Preferably, a flow control valve is provided on the outer side of the lower infusion tube, a spherical protrusion is provided below the flow control valve, an infusion lower needle is fixedly connected to the bottom end of the lower infusion tube, and a lower needle ear is provided on the outer side of the lower infusion needle.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. Through the setting of the filtering mechanism, when in use, through the setting of the peristaltic pump, the device can squeeze the filter tube so that the filter tube can squeeze the liquid in the external medicine bottle into the liquid storage component. Through the setting of the liquid storage component, the device can filter the external liquid and store it in the liquid storage bottle.

[0016] 2. Through the setting of the infusion mechanism, when in use, through the setting of the infusion upper tube, the mechanism can deliver the liquid medicine in the liquid storage bottle into the infusion lower tube, and the flow control valve on the outside of the infusion lower tube can control the speed of the liquid medicine entering the patient's vein. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the filter mechanism structure of the utility model;

[0019] Figure 3This is a rear view structural diagram of the filtering mechanism of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the infusion mechanism of the utility model.

[0021] Numbers in the figure: 1. upper hook; 2. filtering mechanism; 21. peristaltic pump; 211. motor; 212. outer frame; 213. peristaltic head; 22. filter tube; 221. filter round tube; 222. filter upper tube; 223. filter upper needle; 224. filter lower tube; 225. filter connector; 23. liquid storage component; 231. filter plate; 232. liquid storage bottle; 233. exhaust valve; 234. filter lower connecting plate; 3. infusion mechanism; 31. infusion upper tube; 311. infusion upper needle; 312. upper needle ear; 313. liquid storage tube; 314. infusion exhaust valve; 32. infusion lower tube; 321. flow control valve; 322. spherical protrusion; 323. infusion lower needle; 324. lower needle ear. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1-3 As shown, the utility model provides a technical solution: an infusion set with a filtering structure, comprising an upper hook 1 and a filtering mechanism 2, wherein the filtering mechanism 2 is arranged on the outer side of the upper hook 1;

[0025] The filtering mechanism 2 comprises a peristaltic pump 21 , a filtering tube 22 and a liquid storage assembly 23 . The peristaltic pump 21 is arranged below the upper hook 1 , the filtering tube 22 is arranged inside the peristaltic pump 21 , and the liquid storage assembly 23 is arranged below the filtering tube 22 .

[0026] Furthermore, the peristaltic pump 21 includes a motor 211, an outer frame 212 and a peristaltic head 213. The bottom end of the upper hook 1 is fixedly connected to the motor 211, an outer frame 212 is provided on one side of the motor 211, and a peristaltic head 213 is provided on the inner side of the outer frame 212. Through the setting of the peristaltic pump 21, the mechanism can pressurize the medicine solution.

[0027] Furthermore, the filter tube 22 includes a filter circular tube 221, a filter upper tube 222, a filter upper needle 223, a filter lower tube 224 and a filter connector 225. The filter circular tube 221 is arranged on the outer side of the peristaltic head 213. The top end of the filter circular tube 221 is fixedly connected to the filter upper tube 222, the top end of the filter upper tube 222 is fixedly connected to the filter upper needle 223, the bottom end of the filter circular tube 221 is fixedly connected to the filter lower tube 224, and the bottom end of the filter lower tube 224 is fixedly connected to the filter connector 225. Through the arrangement of the filter tube 22, the device can cooperate with the peristaltic pump 21 to pressurize the liquid medicine.

[0028] Furthermore, the liquid storage component 23 includes a filter plate 231, a liquid storage bottle 232, an exhaust valve 233 and a filter lower connecting plate 234. The filter plate 231 is arranged below the filter connector 225, the bottom end of the filter plate 231 is fixedly connected to the liquid storage bottle 232, the outer side of the liquid storage bottle 232 is fixedly connected to the exhaust valve 233, and the bottom end of the liquid storage bottle 232 is fixedly connected to the filter lower connecting plate 234. Through the arrangement of the liquid storage component 23, the device can filter and store the medicinal liquid.

[0029] Embodiment 2

[0030] See 1 and Figure 4 As shown, in contrast to Example 1, as another embodiment of the utility model, an infusion mechanism 3 is arranged below the filtering mechanism 2, and the infusion mechanism 3 includes an upper infusion tube 31 and a lower infusion tube 32. The upper infusion tube 31 is arranged below the liquid storage component 23, and the lower infusion tube 32 is arranged below the upper infusion tube 31. Through the arrangement of the infusion mechanism 3, the mechanism can inject the medicinal solution into the patient's body.

[0031] Furthermore, the top of the infusion upper tube 31 is fixedly connected to the infusion upper needle 311, one side of the infusion upper needle 311 is provided with an upper needle ear 312, the bottom of the infusion upper needle 311 is fixedly connected to the liquid storage tube 313, the outer side of the liquid storage tube 313 is provided with an infusion exhaust valve 314, through the setting of the infusion upper tube 31, the device can be connected to the liquid storage bottle 232 to export the medicine.

[0032] Furthermore, a flow control valve 321 is provided on the outer side of the infusion lower tube 32, a spherical protrusion 322 is provided below the flow control valve 321, an infusion lower needle 323 is fixedly connected to the bottom end of the infusion lower tube 32, and a lower needle ear 324 is provided on the outer side of the infusion lower needle 323, through which the drug solution can be injected into the patient's body.

[0033] Working principle, first, move an infusion set with a filtering structure to the working position, the first step is to install the filtering circular tube 221 into the inner side of the peristaltic pump 21, the second step is to connect the filtering connector 225 with the filtering plate 231, and insert the filtering upper needle 223 into the external medicine bottle, the third step is to start the peristaltic pump 21 to collect the medicine into the liquid storage bottle 232, and the gas in the liquid storage bottle 232 is discharged from the device through the exhaust valve 233, the fourth step is to insert the infusion upper needle 311 into the liquid storage bottle 232, and the infusion lower needle 323 into the patient's vein, and the filtered medicine enters the patient's body, thus completing the use process of an infusion set with a filtering structure.

Claims

1. An infusion set with a filtering structure, comprising an upper hook (1) and a filtering mechanism (2), characterized in that: A filtering mechanism (2) is arranged on the outer side of the upper hook (1); The filtering mechanism (2) comprises a peristaltic pump (21), a filter tube (22) and a liquid storage component (23); the peristaltic pump (21) is arranged below the upper hook (1); the filter tube (22) is arranged inside the peristaltic pump (21); the liquid storage component (23) is arranged below the filter tube (22); the peristaltic pump (21) comprises a motor (211), an outer frame (212) and a peristaltic head (213); the bottom end of the upper hook (1) is fixedly connected to the motor (211); the outer frame (212) is arranged on one side of the motor (211); the peristaltic head (213) is arranged on the inner side of the outer frame (212); the filter tube (22) comprises a filter circular tube (221), a filter upper tube (222), a filter upper needle (223), a filter lower tube (224) and a filter connector (225); the outer side of the peristaltic head (213) is arranged A filtering circular tube (221) is provided, the top end of the filtering circular tube (221) is fixedly connected to a filtering upper tube (222), the top end of the filtering upper tube (222) is fixedly connected to a filtering upper needle (223), the bottom end of the filtering circular tube (221) is fixedly connected to a filtering lower tube (224), the bottom end of the filtering lower tube (224) is fixedly connected to a filtering connector (225), the liquid storage component (23) comprises a filtering plate (231), a liquid storage bottle (232), an exhaust valve (233) and a filtering lower connecting plate (234), the filtering plate (231) is arranged below the filtering connector (225), the bottom end of the filtering plate (231) is fixedly connected to a liquid storage bottle (232), the outer side of the liquid storage bottle (232) is fixedly connected to an exhaust valve (233), and the bottom end of the liquid storage bottle (232) is fixedly connected to a filtering lower connecting plate (234).

2. The infusion set with a filtering structure according to claim 1, characterized in that: An infusion mechanism (3) is arranged below the filtering mechanism (2), and the infusion mechanism (3) comprises an upper infusion tube (31) and a lower infusion tube (32). An upper infusion tube (31) is arranged below the liquid storage component (23), and a lower infusion tube (32) is arranged below the upper infusion tube (31).

3. The infusion set with a filtering structure according to claim 2, characterized in that: The top end of the infusion upper tube (31) is fixedly connected to an infusion upper needle (311), one side of the infusion upper needle (311) is provided with an upper needle pull-out ear (312), the lower part of the infusion upper needle (311) is fixedly connected to a liquid storage tube (313), and the outer side of the liquid storage tube (313) is provided with an infusion exhaust valve (314).

4. The infusion set with a filtering structure according to claim 2, characterized in that: A flow control valve (321) is arranged on the outer side of the infusion lower tube (32), a spherical protrusion (322) is arranged below the flow control valve (321), an infusion lower needle (323) is fixedly connected to the bottom end of the infusion lower tube (32), and a lower needle ear (324) is arranged on the outer side of the infusion lower needle (323).

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