Infusion pump and medical equipment
By separating the infusion tube identification device and the liquid-stopping device, an infusion pump compatible with both open and closed pumps was designed. By using a micro switch and a liquid-stopping plate, the compatibility problem between closed and open pumps was solved, thereby improving the accuracy and flexibility of infusion.
Patent Information
- Application Number
- CN202520233180.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-13
AI Technical Summary
The structural design of traditional infusion pumps limits the compatibility between closed and open pumps. Closed pumps can only use specific infusion tubing, while open pumps are not precise enough and cannot be compatible.
By separating the infusion tube identification device from the liquid-stopping device, an infusion pump compatible with both open and closed pump functions is designed. A micro switch and a liquid-stopping plate are used to achieve the identification and control of the infusion tube.
It enables the compatible use of infusion pumps in both closed and open pump modes, improving infusion accuracy and flexibility, and simplifying structural design.
Smart Images

Figure CN223799968U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field, especially relate to a kind of infusion pump and medical equipment. BACKGROUND
[0002] There are two main types of infusion pumps on the market: closed pump and open pump. Closed pump supports specific infusion tube, but can only infuse the tube type; Open pump supports a variety of infusion tubes, but the precision is not as high as closed pump. Open pump is widely used in domestic and Southeast Asia, while closed pump is preferred in Europe and the United States. The infusion tube used by closed pump adopts a specially designed infusion tube liquid stop piece, while the infusion tube used by open pump does not have a liquid stop piece, and compatibility is achieved by using elasticity and empirical parameters for calibration. However, in the conventional design, the infusion tube recognition device of the closed pump is combined with the liquid stop device, resulting in structural complexity and limiting the compatibility conversion between the open pump and the closed pump. SUMMARY
[0003] The main purpose of the utility model is to provide an infusion pump and medical equipment by separating the infusion tube recognition device and the liquid stop device, which provides an infusion pump compatible with open pump and closed pump functions.
[0004] To achieve the above purpose, the utility model provides an infusion pump for use with an infusion tube, comprising:
[0005] An infusion pump body has an installation side with an installation area;
[0006] An infusion tube liquid stop device is fixedly installed in the installation area to cut off the liquid of the infusion tube;
[0007] An infusion tube recognition device is fixedly installed in the installation area, the infusion tube recognition device includes a liquid stop piece mounting seat and a trigger element, the liquid stop piece mounting seat is provided with a slot for accommodating the liquid stop piece on the infusion tube, and the trigger element is at least partially located in the slot to be triggered by the liquid stop piece when the liquid stop piece mounting seat is adapted to the liquid stop piece;
[0008] An infusion pump door is movably connected with the infusion pump body and can cover the installation area; and
[0009] A control device is provided in the infusion pump body and is electrically connected with the infusion tube liquid stop device and the infusion tube recognition device.
[0010] In an embodiment, the trigger element includes a micro switch, the micro switch is provided in the infusion pump body, and the micro switch is at least partially located at the bottom of the slot.
[0011] In an embodiment, the trigger end of the micro switch has a resilient structure and the resilient structure is at least partially located at the bottom of the insertion slot, so as to be triggered by the liquid-stopping sheet when the liquid-stopping sheet mounting seat is matched with the liquid-stopping sheet.
[0012] In an embodiment, the trigger stroke L of the micro switch ranges from 0.3mm to 1.5mm.
[0013] In an embodiment, the inner side wall of the liquid-stopping sheet mounting seat insertion slot is provided with a limiting protrusion, so as to cooperate with a limiting groove on the liquid-stopping sheet to fix the liquid-stopping sheet when the matched liquid-stopping sheet is inserted into the liquid-stopping sheet mounting seat.
[0014] In an embodiment, one end of the infusion pump door is rotatably mounted on the infusion pump body.
[0015] In an embodiment, the infusion pump door is provided with a convex rib, which is located on the inner side of the infusion pump door and corresponds to the position of the liquid-stopping sheet mounting seat, so as to apply a force to the liquid-stopping sheet in the direction of the bottom of the liquid-stopping sheet mounting seat when the infusion pump door is closed.
[0016] In an embodiment, the inner side of the infusion pump door and the position corresponding to the liquid-stopping sheet mounting seat are provided with a first groove, and the convex rib is arranged at the bottom end of the first groove.
[0017] In an embodiment, the inner side of the infusion pump door and the position corresponding to the liquid-stopping device of the infusion tube are provided with a second groove, so as to provide a space for the liquid-stopping device of the infusion tube when the infusion pump door is closed.
[0018] The utility model also provides a medical equipment, the medical equipment includes infusion pump;
[0019] The infusion pump comprises:
[0020] The infusion pump body has a mounting side, and the mounting side has a mounting area.
[0021] The liquid-stopping device of the infusion tube is fixedly installed in the mounting area and used for cutting off the liquid of the infusion tube.
[0022] The infusion tube recognition device is fixedly installed in the mounting area, and the infusion tube recognition device comprises a liquid-stopping sheet mounting seat and a trigger element, the liquid-stopping sheet mounting seat is provided with an insertion slot for accommodating the liquid-stopping sheet on the infusion tube, and the trigger element is at least partially located in the insertion slot, so as to be triggered by the liquid-stopping sheet when the liquid-stopping sheet mounting seat is matched with the liquid-stopping sheet.
[0023] The infusion pump door is movably connected with the infusion pump body and can cover the mounting area.
[0024] The control device is located inside the body of the infusion pump and is electrically connected to both the infusion tube stop device and the infusion tube identification device.
[0025] When the infusion pump of this invention is used as a closed pump, first open the infusion pump door, then open the infusion tubing stop device. After installing the infusion tubing onto the infusion pump, insert the stop plate on the infusion tubing into the stop plate mounting seat of the infusion tubing identification device. If the stop plate on the infusion tubing is compatible with the stop plate mounting seat, the trigger element of the infusion tubing identification device is triggered by the stop plate. The trigger element transmits an electrical signal to the control device, which then controls the infusion tubing stop device to stop the infusion tubing. At this time, the infusion pump door is closed, and the control device controls the infusion pump stop device to release the stop, allowing the infusion tubing to deliver the medication normally. Correspondingly, if the infusion pump of this invention is to be used as an open pump, the stop plate does not need to be inserted during tubing installation; the operator only needs to adjust the flow rate and other relevant parameters on the infusion pump for normal operation. The technical solution of this invention provides an infusion pump that is compatible with both open and closed pump functions by separating the infusion tubing identification device and the stop device. Attached Figure Description
[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0027] Figure 1 This is a schematic diagram of the structure of an embodiment of the infusion pump provided by this utility model;
[0028] Figure 2 for Figure 1 A partial cross-sectional view of the infusion tube identification device;
[0029] Figure 3 for Figure 2 Schematic diagram of the structure of the infusion pump when the door is closed;
[0030] Figure 4 for Figure 2 Schematic diagram of a micro switch;
[0031] Figure 5 for Figure 2 Schematic diagram of the stop liquid sheet;
[0032] Figure 6 for Figure 2Schematic view of the structure of the stopper mounting seat.
[0033] Brief description of the drawings:
[0034] 100, infusion pump; 1, infusion pump body; 12, mounting area; 2, infusion tube stopper; 3, infusion tube identification device; 31, stopper mounting seat; 311, slot; 3111, limiting protrusion; 32, trigger element; 321, micro switch; 3211, elastic structure; 4, infusion pump door; 41, first groove; 411, convex rib; 42, second groove;
[0035] 200, infusion tube; 201, stopper; 2011, limiting groove.
[0036] The realization, functional features and advantages of the present application will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION
[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0038] It should be noted that if the present application embodiments involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.
[0039] In addition, if the present application embodiments involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.
[0040] There are two main types of infusion pumps on the market: closed pump and open pump. Closed pump supports a specific infusion tube, but can only infuse the tube type; open pump supports multiple infusion tubes, but the precision is not as high as closed pump. Open pump is widely used in domestic and Southeast Asia, while closed pump is preferred in Europe and the United States. The infusion tube used by closed pump adopts a specially designed infusion tube liquid stop sheet, while the infusion tube used by open pump has no liquid stop sheet, and the compatibility is achieved by using elasticity and experience parameters for calibration. However, in the traditional design, the infusion tube recognition device of the closed pump is combined with the liquid stop device, which leads to the complexity of the structure and limits the compatibility conversion between the open pump and the closed pump.
[0041] The utility model provides a kind of infusion pump 100 compatible with open pump and closed pump function.
[0042] Please refer to Figures 1 to 3 In an embodiment of the utility model, the infusion pump 100 is used in cooperation with the infusion tube 200, comprising: an infusion pump body 1, an infusion tube liquid stop device 2, an infusion tube recognition device 3, an infusion pump door 4 and a control device, wherein the infusion pump body 1 has an installation side, the installation side has an installation area 12; the infusion tube liquid stop device 2 is fixedly installed in the installation area 12, for cutting off the infusion tube 200 liquid medicine; the infusion tube recognition device 3 is fixedly installed in the installation area 12, the infusion tube recognition device 3 includes a liquid stop sheet mounting seat 31 and a trigger element 32, the liquid stop sheet mounting seat 31 is provided with a slot 311 for accommodating the liquid stop sheet 201 on the infusion tube 200, the trigger element 32 is at least partially located in the slot 311, to be triggered by the liquid stop sheet 201 when the liquid stop sheet mounting seat 31 is adapted to the liquid stop sheet 201; the infusion pump door 4 is movably connected with the infusion pump body 1 and can cover the installation area 12; the control device is arranged in the infusion pump body 1, and is electrically connected with the infusion tube liquid stop device 2 and the infusion tube recognition device 3.
[0043] The infusion pump 100 of the utility model is used as a closed pump, the infusion pump door 4 is opened first, then the infusion tube liquid stopping device 2 is opened, after the infusion tube 200 is installed on the infusion pump 100, the liquid stopping piece 201 on the infusion tube 200 is inserted into the liquid stopping piece mounting seat 31 of the infusion tube identification device 3, if the liquid stopping piece 201 on the infusion tube 200 is matched with the liquid stopping piece mounting seat 31, the trigger element 32 of the infusion tube identification device 3 is triggered by the liquid stopping piece 201, the trigger element 32 will transmit the electric signal to the control device, then the control device will control the infusion tube liquid stopping device 2 to stop the liquid of the infusion tube 200, at this time, the infusion pump door 4 is closed, the control device controls the infusion pump 100 liquid stopping device to cancel the liquid stopping, the infusion tube 200 can normally transport the liquid medicine, correspondingly, if the infusion pump 100 of the utility model is used as an open pump, the liquid stopping piece 201 is not inserted during the installation, after the infusion tube liquid stopping device 2 stops the liquid of the infusion tube 200, the infusion pump door 4 is closed, then the staff adjusts the flow rate and other related parameters on the infusion pump 100 and can be normally used.
[0044] It should be noted that the utility model does not limit the specific form of the infusion tube liquid stopping device 2, only needs to ensure that the infusion tube liquid stopping device 2 can cut off the liquid medicine of the infusion tube 200, in the embodiment of the utility model, the infusion tube liquid stopping device 2 is a liquid stopping clamp, the function of cutting off the liquid medicine of the infusion tube 200 is realized by clamping the infusion tube 200.
[0045] The utility model does not limit the installation mode of the infusion tube liquid stopping device 2, the infusion tube identification device 3 and the infusion pump door 4, only needs to ensure that the infusion tube liquid stopping device 2, the infusion tube identification device 3 and the infusion pump door 4 can be installed on the infusion pump main body 1, and can realize its function, and the specific in the embodiment of the utility model, the infusion tube liquid stopping device 2 is fixedly installed on the infusion pump main body 1 through a screw, the infusion tube identification device 3 is fixedly installed on the infusion pump main body 1 through a screw, and the infusion pump door 4 is movably installed on the infusion pump main body 1 through a pin.
[0046] It needs to be explained that the specific position of the trigger element 32 in the insertion groove 311 is not limited, which can be located in the side wall of the insertion groove 311, or can be located in the bottom of the insertion groove 311, as long as the trigger element 32 can be triggered by the liquid stop sheet 201 when the liquid stop sheet mounting seat 31 is matched with the liquid stop sheet 201. In the embodiment of the utility model, the trigger element 32 includes a micro switch 321, the micro switch 321 is arranged in the infusion pump main body 1, and the micro switch 321 is at least partially located in the bottom of the insertion groove 311. The space is saved by such arrangement, and the normal insertion of the liquid stop sheet 201 is also ensured, and the micro switch 321 can be triggered when the liquid stop sheet 201 is inserted into the bottom of the liquid stop sheet mounting seat 31, so that the signal is transmitted to the control device.
[0047] In order to ensure that the micro switch 321 can be normally triggered when the liquid stop sheet 201 is inserted into the bottom of the liquid stop sheet mounting seat 31, please refer to Figs. 2 to Figure 4 In the embodiment of the utility model, the trigger end of the micro switch 321 has an elastic structure 3211 and the elastic structure 3211 is at least partially located in the bottom of the insertion groove 311, so that the elastic structure 3211 is triggered by the liquid stop sheet 201 when the liquid stop sheet mounting seat 31 is matched with the liquid stop sheet 201. That is to say, by arranging the elastic structure 3211 on the trigger end of the micro switch 321 in the bottom of the insertion groove 311, the elastic structure 3211 can be triggered to transmit the signal to the control device when the matched liquid stop sheet 201 is inserted into the bottom of the insertion groove 311 without affecting the insertion of the liquid stop sheet 201 into the liquid stop sheet mounting seat 31.
[0048] Among them, the trigger stroke of the micro switch 321 should not be too small, too small, which may be triggered by the liquid stop sheet 201 on the infusion tube 200 that is not matched, if the trigger stroke of the micro switch 321 is too large, the liquid stop sheet 201 on the matched infusion tube 200 may not be triggered. Therefore, in the embodiment of the utility model, the trigger stroke L of the micro switch 321 ranges from 0.3mm to 1.5mm.
[0049] In order to enable the liquid stop sheet 201 to trigger the trigger element 32 when the infusion tube 200 is installed, please refer to Figure 5 and Figure 6In the embodiment of the utility model, the inner side wall of the liquid stop sheet mounting seat 31 slot 311 is equipped with a limiting protrusion 3111, when the matched liquid stop sheet 201 is inserted into the liquid stop sheet mounting seat 31, the limiting protrusion 3111 cooperates with the limiting groove 2011 on the liquid stop sheet 201 to fix the liquid stop sheet 201. That is to say, through the cooperation of the limiting protrusion 3111 and the limiting groove 2011, the liquid stop sheet 201 is positioned at the position capable of triggering the trigger element 32, so that when the matched liquid stop sheet 201 cooperates with the liquid stop sheet mounting seat 31, the position of the liquid stop sheet 201 can trigger the trigger element 32.
[0050] It should be noted that the utility model does not limit the specific way of positioning the liquid stop sheet 201, and the specific position of the limiting structure is not limited, and the limiting structure can also be arranged at the slot 311 mouth of the liquid stop sheet mounting seat 31, as long as the position of the liquid stop sheet 201 after limiting can trigger the trigger element 32 when the liquid stop sheet mounting seat 31 cooperates with the matched liquid stop sheet 201 of the infusion tube 200.
[0051] In order to facilitate closing the infusion pump door 4 and ensure that the infusion pump door 4 can cover the mounting area 12 when it is closed, in the embodiment of the utility model, one end of the infusion pump door 4 is rotatably installed on the infusion pump main body 1. In this way, the accuracy of closing the infusion pump door 4 each time can be ensured, and during the installation of the infusion tube 200 to the infusion pump 100, the longer infusion tube 200 can be placed on the infusion pump door 4 to avoid the problem that the infusion tube 200 may fall to the ground.
[0052] In order to ensure that the trigger element 32 can be triggered by the liquid stop sheet 201 on the matched infusion tube 200, please refer to Figure 2 and Figure 3 In the embodiment of the utility model, the infusion pump door 4 is provided with a rib 411, which is arranged on the inner side of the infusion pump door 4 and corresponds to the position of the liquid stop sheet mounting seat 31, so as to apply a force to the liquid stop sheet 201 in the direction of the bottom of the liquid stop sheet mounting seat 31 when the infusion pump door 4 is closed. That is to say, when the infusion pump door 4 is closed, the rib 411 will push the liquid stop sheet 201 in the direction of the trigger element 32, so as to ensure that the trigger element 32 can be triggered by the liquid stop sheet 201 on the matched infusion tube 200. At the same time, the scheme in the embodiment can also be combined with the scheme of the limiting structure described above to achieve the effect of double insurance, that is, to ensure that the trigger element 32 can be triggered by the liquid stop sheet 201 on the matched infusion tube 200.
[0053] Please refer toFigures 1 to 3 In the embodiment of the utility model, the inner side of the infusion pump door 4 and the position corresponding to the liquid stopping piece mounting seat 31 are provided with a first recess 41, and the convex rib 411 is arranged at the bottom end of the first recess 41. That is to say, when the infusion pump door 4 is closed, the first recess 41 provides the necessary space for the liquid stopping piece 201, and the convex rib 411 arranged at the bottom end of the first recess 41 can push the liquid stopping piece 201 to the bottom end of the insertion slot 311, so that the space utilization of the infusion pump door 4 is improved.
[0054] Please refer to Figure 1 In the embodiment of the utility model, the inner side of the infusion pump door 4 and the position corresponding to the infusion tube liquid stopping device 2 are provided with a second recess 42, so as to provide space for the infusion tube liquid stopping device 2 when the infusion pump door 4 is closed. When the infusion pump door 4 is closed, the second recess 42 provides the necessary space for the infusion tube liquid stopping device 2, and the space on the infusion pump door 4 is reasonably utilized by arranging the second recess 42 on the infusion pump door 4.
[0055] The utility model also provides a medical equipment, the medical equipment includes infusion pump 100, the specific structure of the infusion pump 100 refers to the above embodiment, because the medical equipment adopts all the technical schemes of the above all embodiments, therefore at least has all beneficial effects brought by the technical scheme of the above embodiment, here will not repeat again,
[0056] Among them, the infusion pump 100 includes infusion pump main body 1, infusion tube liquid stopping device 2, infusion tube identification device 3, infusion pump door 4 and control device, wherein, the infusion pump main body 1 has an installation side, and the installation side has an installation area 12;The infusion tube liquid stopping device 2 is fixedly installed in the installation area 12, and is used for cutting off the liquid medicine of the infusion tube 200;The infusion tube identification device 3 is fixedly installed in the installation area 12, and the infusion tube identification device 3 includes liquid stopping piece mounting seat 31 and trigger element 32, the liquid stopping piece mounting seat 31 is provided with an insertion slot 311 for accommodating the liquid stopping piece 201 on the infusion tube 200, and the trigger element 32 is at least partially located in the insertion slot 311, so as to be triggered by the liquid stopping piece 201 when the liquid stopping piece mounting seat 31 is matched with the liquid stopping piece 201;The infusion pump door 4 is movably connected with the infusion pump main body 1 and can cover the installation area 12;The control device is arranged in the infusion pump main body 1 and is electrically connected with the infusion tube liquid stopping device 2 and the infusion tube identification device 3.
[0057] The above merely illustrates the exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the technical concept of the present application and by using the content of the present application specification and drawings are included in the patent protection scope of the present application.
Claims
1. An infusion pump for use in cooperation with an infusion tube, characterized in that The infusion pump comprises: an infusion pump body having an installation side with an installation area; an infusion tube liquid-stopping device fixedly installed in the installation area for stopping liquid in the infusion tube; an infusion tube recognition device fixedly installed in the installation area, the infusion tube recognition device comprising a liquid-stopping piece installation seat and a trigger element, the liquid-stopping piece installation seat being provided with a slot for accommodating a liquid-stopping piece on the infusion tube, the trigger element being at least partially located in the slot to be triggered by the liquid-stopping piece when the liquid-stopping piece installation seat is matched with the liquid-stopping piece; an infusion pump door movably connected with the infusion pump body and capable of covering the installation area; and a control device provided in the infusion pump body and electrically connected with the infusion tube liquid-stopping device and the infusion tube recognition device.
2. The infusion pump of claim 1, wherein, The trigger element comprises a micro switch, the micro switch being provided in the infusion pump body and at least partially located at the bottom of the slot.
3. The infusion pump of claim 2, wherein, The trigger end of the micro switch has an elastic structure and is at least partially located at the bottom of the slot to be triggered by the liquid-stopping piece when the liquid-stopping piece installation seat is matched with the liquid-stopping piece.
4. The infusion pump of claim 2 or 3, wherein, The trigger stroke L of the micro switch ranges from 0.3 mm to 1.5 mm.
5. The infusion pump of claim 1, wherein, The inner side wall of the slot of the liquid-stopping piece installation seat is provided with a limiting protrusion to cooperate with a limiting groove on the liquid-stopping piece to fix the liquid-stopping piece when the matched liquid-stopping piece is inserted into the liquid-stopping piece installation seat.
6. The infusion pump of claim 1, wherein, One end of the infusion pump door is rotatably installed on the infusion pump body.
7. The infusion pump of claim 1, wherein, The infusion pump door is provided with a protruding rib, the protruding rib being provided on the inner side of the infusion pump door and corresponding to the position of the liquid-stopping piece installation seat to apply a force to the liquid-stopping piece in the direction of the bottom of the liquid-stopping piece installation seat when the infusion pump door is closed.
8. The infusion pump of claim 7, wherein, The inner side of the infusion pump door and corresponding to the position of the liquid-stopping piece installation seat is provided with a first groove, the protruding rib being provided at the bottom end of the first groove.
9. The infusion pump of claim 1, wherein, The inner side of the infusion pump door and corresponding to the position of the infusion tube liquid-stopping device is provided with a second groove to provide space for the infusion tube liquid-stopping device when the infusion pump door is closed.
10. A medical device, characterized by The infusion pump comprises the infusion pump as claimed in any one of claims 1 to 9.