Infusion pump safety pump head

Abstract

The utility model discloses a kind of infusion pump safety pump head, it is related to medical equipment technical field.The infusion pump safety pump head includes pump body groove, it is set on mounting groove, the midline of pump body groove coincides with the midline of mounting groove;Base, it is set on the bottom of pump body groove, base is divided into first area and second area;Pump head, it is set first area;Limiting component, it is set in second area, the top of limiting component is located outside pump body groove, limiting component and the slot opening of door body are connected.The utility model avoids infusion tube displacement to the both sides of pump body groove, ensures that infusion tube cannot move to the blind area of pump head, to avoid the deviation of the drug delivery amount of patient;Therefore the infusion pump ensures that pump head carries out normal extrusion to infusion tube, to improve the accuracy of infusion pump control infusion speed.

Description

Technical Field

[0001] This utility model relates to the field of raw material processing equipment, and in particular to a safety pump head for infusion pumps. Background Technology

[0002] Infusion pumps are typically mechanical or electronically controlled devices that control the infusion rate by acting on the infusion tubing. They are commonly used in situations requiring strict control of infusion volume and medication dosage, such as when administering vasopressors, antiarrhythmic drugs, intravenous infusions in infants and young children, or during intravenous anesthesia.

[0003] Several existing technologies related to infusion pumps have been disclosed. For example, invention patent CN108939209A discloses an intelligent infusion pump, which includes a control system and a housing. An infusion line is arranged on the outer surface of the housing. Along the infusion line are sequentially arranged a bubble probe sensor, a peristaltic pump, a lower blockage sensor, and an electric stop clamp, all connected to the control system. The electric stop clamp includes a micro motor, which is fixedly connected to the housing. The micro motor drives the stop clamp slider to move up and down. One end of the stop clamp slider extending outside the housing is covered with a plastic stop clamp slider. The plastic stop clamp slider and the housing together clamp the infusion line. This invention has a high degree of automation, is easy to use, improves user efficiency, and overcomes the shortcomings of existing technologies.

[0004] However, in clinical use, existing infusion pumps can cause problems due to improper operation by medical staff during the installation of the infusion tubing. After closing the pump door, it may be impossible to detect whether the tubing has shifted inside the pump. Alternatively, the tubing may be squeezed into the pump head's blind zone during the pump head's compression process. These situations can prevent the pump head from properly compressing the tubing to achieve the preset infusion rate, resulting in deviations in the amount of medication delivered to the patient and posing serious safety hazards. Utility Model Content

[0005] In view of the deficiencies in the existing technology, the technical problem solved by this utility model is: how to improve the accuracy of controlling the infusion rate of the infusion pump.

[0006] To achieve the above objectives, the present invention provides a safety pump head for an infusion pump, comprising: A pump body assembly, comprising a pump body groove, a base, and a pump head; The pump body groove is set on the mounting groove, and the centerline of the pump body groove coincides with the centerline of the mounting groove. The base is located at the bottom of the pump body groove and is divided into a first area and a second area. The pump head is located in the first area; A limiting component is provided in the second area, with its top located outside the pump body groove, and the limiting component engages with a slot opened on the door.

[0007] By adopting the above technical solution, the infusion tube is inserted into the installation groove along its opening direction. The infusion tube passes through the pump body groove. During installation within the pump body groove, a limiting component is used to restrict the infusion tube, acting as a guide. After the infusion tube is installed, the door needs to be closed. If part of the infusion tube is not installed correctly, for example, if it is positioned on top of the limiting component, and the top of the limiting component extends beyond the pump body groove, the door will not close properly. Medical staff will then notice that the infusion tube has shifted, requiring adjustment of its installation position to avoid deviations in the patient's medication delivery. If the infusion tube is installed correctly, the limiting component will insert into the inner wall of the door groove, preventing interference with normal door closure. Simultaneously, during infusion via the infusion pump, the limiting component, inserted into the inner wall of the groove, intercepts the infusion tube, preventing it from shifting to either side of the pump body groove. This ensures the infusion tube does not move into the blind spot of the pump head, thus preventing deviations in the patient's medication delivery. Therefore, this infusion pump ensures that the pump head properly compresses the infusion tubing, thereby improving the accuracy of the infusion pump in controlling the infusion rate.

[0008] In one embodiment, the pump head has multiple pump heads, which are distributed in a first region along the opening direction of the pump body groove.

[0009] By adopting the above technical solution, multiple parts of the infusion tube located in the pump body tank can be squeezed simultaneously or selectively, thereby controlling the infusion rate more precisely.

[0010] In one embodiment, the limiting component includes multiple sets of positioning ribs, which are arranged inside the pump body groove along the opening direction of the pump body groove. Each set of positioning ribs includes two positioning ribs, and the two positioning ribs in the same set are arranged perpendicular to the pump body groove. There is a gap between the two positioning ribs in the same set, and the top of the positioning rib is located outside the pump body groove.

[0011] By adopting the above technical solution, the effectiveness of the limiting component can be further improved.

[0012] In one embodiment, a pump head is provided between two adjacent positioning rib groups.

[0013] By adopting the above technical solution, the impact of the limiting component on the normal operation of the pump head can be avoided.

[0014] In one embodiment, spring pads are provided on the opposite surfaces of two adjacent positioning ribs.

[0015] By adopting the above technical solution, a buffer structure is created between the positioning rib and the infusion tube, thereby avoiding damage to the infusion tube and leakage problems.

[0016] In one embodiment, the pump head is provided with a waterproof layer.

[0017] By adopting the above technical solution, liquid can be prevented from flowing into the pump head and causing damage to the mechanical structure.

[0018] In one embodiment, the waterproof layer is elastic, is fitted onto the pump head, and its edges are fixedly connected to the base.

[0019] By adopting the above technical solution, the stability of the waterproof layer is increased without affecting the normal operation of the pump head.

[0020] In summary, this utility model has the following beneficial technical effects: The infusion tubing is inserted into the mounting groove along its opening direction, passing through the pump body groove. During installation, a limiting component acts as a guide, restricting the tubing's position. After installation, the door must be closed. If any part of the tubing is not properly installed, such as resting on top of the limiting component, and the top of the limiting component extends beyond the pump body groove, the door will not close properly. Medical staff will then notice the tubing has shifted and need to adjust its position to prevent deviations in medication delivery. If the tubing is properly installed, the limiting component will insert into the inner wall of the door groove, preventing interference with normal door closure. Simultaneously, during infusion via the pump, the limiting component, inserted into the groove wall, intercepts the tubing, preventing it from shifting to either side of the pump body groove and ensuring it doesn't move into the pump head's blind spot, thus avoiding deviations in medication delivery. Therefore, this infusion pump ensures that the pump head properly compresses the infusion tubing, thereby improving the accuracy of the infusion pump in controlling the infusion rate. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the intelligent infusion pump according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the shell structure according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the mounting groove in an embodiment of the present invention; Figure 4 for Figure 3 Enlarged view of part A; Figure 5 This is a schematic diagram of the waterproof layer structure in an embodiment of the present invention; Figure 6This is a schematic diagram of the pump head structure in an embodiment of the present invention.

[0022] In the diagram: 1-Housing, 2-Door, 3-Mounting groove, 301-First channel, 302-Second channel, 4-Pump body assembly, 401-Pump body groove, 402-Pump head, 403-Positioning rib, 404-Waterproof layer, 405-Shift fork, 406-Pump head housing, 407-Transmission assembly, 408-Motor. Detailed Implementation

[0023] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0024] The safety pump head for the infusion pump in this embodiment of the utility model is shown in [reference]. Figures 1 to 6 As shown, the infusion pump safety pump head includes a pump body assembly 4, which includes a pump body groove 401, a base, and a pump head 402; the pump body groove 401 is disposed on the mounting groove 3, and the centerline of the pump body groove 401 coincides with the centerline of the mounting groove 3; the base is disposed at the bottom of the pump body groove 401, and the base is divided into a first region and a second region; the pump head 402 is disposed in the first region, and the pump head 402 includes a shift fork 405, a cam, a motor 408, a transmission assembly 407, and a pump head housing 406. The motor 408 drives the gear on the transmission assembly 407 to rotate, thereby driving the shaft inside the pump head housing 406 to rotate. The shaft drives the cam plate mounted on it to rotate. Because the pump head housing 406 has a guide groove inside, and the shift fork 405 is located inside the guide groove, the cam plate drives the shift fork 405 to move horizontally. The limiting assembly is located in the second area, and the top of the limiting assembly is located outside the pump body groove. The limiting assembly is engaged with the slot opened on the door. The infusion pump includes a housing 1, which has an installation groove 3 for installing an infusion tube, and the infusion tube is installed inside the installation groove 3. Pump body assembly 4 is disposed inside the mounting groove 3. Pump body assembly 4 includes pump body groove 401, pump head 402 and limiting assembly. Pump body groove 401 is disposed on mounting groove 3. Limiting assembly includes multiple sets of positioning ribs. Multiple sets of positioning ribs are disposed inside pump body groove 401 along the opening direction of mounting groove 3. One set of positioning ribs 403 includes two positioning ribs 403. The two positioning ribs 403 in the same set are perpendicular to mounting groove 3. There is a gap between the two positioning ribs 403 in the same set. The gap is used for the passage of infusion tube. Pump head 402 is disposed between two adjacent positioning rib sets. The top of positioning rib 403 extends beyond the surface of housing 1. The surface of housing 1 is flush with the opening of pump body groove 401. The door body 2 is hinged to the housing 1. A spring plate is installed on the inner surface of the door body 2. The spring plate has multiple slots, which correspond one-to-one with the positioning ribs 403. When the door body 2 is closed, the positioning ribs 403 are inserted into the corresponding slots. The spring plate can extend and retract under the action of the spring, and cooperate with the pump head 402 to control the infusion rate.

[0025] Therefore, it can be seen that in this utility model, the infusion tube is inserted into the installation groove 3 along the opening direction of the installation groove 3, and the infusion tube will pass through the pump body groove 401. When installing in the pump body groove 401, the infusion tube needs to be installed along the gap between the two positioning ribs 403 of the same group to ensure that the infusion tube is installed inside the pump body groove 401, and the positioning ribs 403 play a guiding role. After the infusion tube is installed, the door 2 needs to be closed. If some parts of the infusion tube are not installed in place, such as being placed on top of the positioning ribs 403, and because the top of the positioning ribs 403 exceeds the surface of the housing 1, the door 2 will not be closed. If the pump body 2 fails to close properly, medical staff will notice that the infusion tubing has shifted, requiring readjustment of its position to prevent deviations in medication delivery. If the tubing is properly installed, the positioning rib 403 will insert into the inner wall of the slot in body 2, preventing interference with normal closure. Simultaneously, during infusion, the positioning rib 403, inserted into the slot, intercepts the tubing, preventing it from shifting to either side of the pump body slot 401. This ensures the tubing does not move into the blind zone of the pump head 402, thus preventing deviations in medication delivery. Therefore, this infusion pump ensures that the pump head 402 properly compresses the tubing, improving the accuracy of the infusion rate control.

[0026] Preferably, elastic pads are provided on the opposite surfaces of two adjacent positioning ribs 403.

[0027] Specifically, when the infusion tube is installed along two adjacent positioning ribs 403, the positioning ribs 403 have a guiding and limiting function for the infusion tube. Therefore, a spring pad is set between the positioning ribs 403 and the infusion tube to avoid direct contact between the two, thus creating a buffer structure between the positioning ribs 403 and the infusion tube, thereby avoiding damage to the infusion tube and leakage problems. At the same time, the spring pad will reduce the gap between the positioning ribs 403 and the infusion tube, thereby further improving the guiding and limiting function, thus further improving the accuracy of the infusion pump in controlling the infusion rate.

[0028] Preferably, a waterproof layer 404 is provided on the pump head 402. The waterproof layer 404 is elastic, and the waterproof layer 404 is sleeved on the pump head 402. The edge of the waterproof layer 404 is fixedly connected to the base.

[0029] Specifically, the waterproof layer 404 is fitted over the fork of the pump head 402. The edge of the waterproof layer 404 is fixed to the main body housing through the pump head housing. Whether there is one or multiple pump heads 402, the waterproof layer 404 can be fitted onto the pump head 402 and the periphery of the waterproof layer 404 can be fixed to the base, thereby increasing the stability of the waterproof layer 404 and not affecting the normal operation of the pump head.

[0030] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A safety pump head for an infusion pump, characterized in that, It includes: Pump body assembly (4) includes pump body groove (401), base and pump head (402); Pump body groove (401) is provided on mounting groove (3), and the center line of pump body groove (401) coincides with the center line of mounting groove (3); The base is located at the bottom of the pump body groove (401) and is divided into a first area and a second area; Pump head (402), which is located in the first area; A limiting component is provided in the second area, with the top of the limiting component located outside the pump body groove (401), and the limiting component engages with the slot opened on the door body (2).

2. The safety pump head for an infusion pump as described in claim 1, characterized in that: The pump head (402) has multiple pump heads (402) distributed in the first region along the opening direction of the pump body groove (401).

3. The infusion pump safety head as described in claim 2, characterized in that: The limiting component includes multiple sets of positioning ribs. The multiple sets of positioning ribs are arranged inside the pump body groove (401) along the opening direction of the pump body groove (401). Each set of positioning ribs includes two positioning ribs (403), and the two positioning ribs (403) in the same set are arranged perpendicular to the pump body groove (401). There is a gap between the two positioning ribs (403) in the same set, and the top of the positioning rib (403) is located outside the pump body groove (401).

4. The infusion pump safety head as described in claim 3, characterized in that: A pump head (402) is provided between each of the two adjacent positioning rib groups.

5. The safety pump head for an infusion pump as described in claim 3, characterized in that: Spring pads are provided on the opposite surfaces of two adjacent positioning ribs (403).

6. The safety pump head for an infusion pump as described in claim 1, characterized in that: A waterproof layer (404) is provided on the pump head (402).

7. The infusion pump safety head as described in claim 6, characterized in that: The waterproof layer (404) is elastic and is fitted onto the pump head (402). The edge of the waterproof layer (404) is fixedly connected to the base.

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