Trolley with injection pump and infusion pump and using method

Abstract

The invention discloses a trolley with an injection pump and an infusion pump and a using method, and relates to the field of medical trolleys, the trolley comprises a trolley main body, a placement table board located at the top of the trolley main body, and the injection pump and the infusion pump located in the trolley main body; a working chamber and a placing chamber are arranged in the trolley body, the interior of the placing chamber is divided into two placing cavities through a partition plate, and automatic sliding assemblies are oppositely arranged in the two placing cavities correspondingly. According to the invention, through the interaction between the abutting disc and the sealing door plate, the positions of the injection pump and the infusion pump in the placing cavity can be abutted and limited, so that the stability of the positions of the injection pump and the infusion pump in the trolley main body is improved; the abutting disc can be pulled inwards through the elastic effect of the extension spring to be separated from the injection pump or the infusion pump, in this way, abutting acting force on the injection pump or the infusion pump can be removed, manual removal of limiting of the injection pump or the infusion pump is not needed, and the injection pump and the infusion pump can be taken and used conveniently.

Description

Technical Field

[0001] The present invention relates to the technical field related to medical trolleys, and specifically to a trolley equipped with an injection pump and an infusion pump and a method of using the trolley. Background Art

[0002] Medical trolley refers to a tool for hospitals to safely transport medical equipment. It can be used in large and medium-sized hospitals, clinics, pharmacies, mental hospitals and various daily use rotating trolleys, which can greatly reduce the operating pressure of medical staff.

[0003] A syringe pump is a medical device composed of a stepper motor and its driver, a screw and a bracket. It pushes the piston of the syringe to perform injection and infusion, achieving high-precision, smooth and pulsation-free liquid transmission. An infusion pump is usually a mechanical or electronic control device that controls the infusion speed by acting on the infusion catheter. These two devices are often needed in clinical practice.

[0004] Existing medical trolleys usually have a placement table and some drawer boxes for storage. When the syringe pump and infusion pump are needed, they need to be found in the instrument room and placed on the table or in the drawer box. Since these two instruments are relatively large in size, it is inconvenient to place them. In addition, during the transportation process, the position of the syringe pump and infusion pump is not fixed, so it is easy for them to fall off or shake and collide with the trolley, causing damage to the instruments. Summary of the invention

[0005] In order to solve the defects of the prior art, the present invention provides a trolley with an injection pump and an infusion pump and a method of using the trolley.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] The present invention discloses a trolley equipped with an injection pump and an infusion pump and a method for using the trolley, comprising a trolley body, a placement table located on the top of the trolley body, and the injection pump and the infusion pump located inside the trolley body;

[0008] The interior of the trolley body is provided with a working room and a placing room, the interior of the placing room is divided into two placing chambers by a partition, and automatic sliding components are respectively arranged in the two placing chambers opposite to each other;

[0009] The injection pump and the infusion pump are respectively located on the sliding platforms of the two automatic sliding assemblies, and a closed door plate is fixedly provided on the outer side of the sliding platform, and the closed door plate is used to seal the opening opened on the side of the trolley body;

[0010] The automatic sliding assembly is also provided with a tight limiting assembly on the back side of the injection pump and the infusion pump. The tight limiting assembly cooperates with the closed door panel to limit and tighten the injection pump and the infusion pump placed on the sliding platform.

[0011] As a preferred technical solution of the present invention, limited stoppers are fixedly provided on both sides of the top of the sliding platform by screws, and sliding rods are fixedly provided at the two corners of the top of the sliding platform away from the closed door panel, and the top of the sliding rod passes through the studio and is placed in a sliding groove that penetrates the bottom end of the inner cavity of the studio;

[0012] The top ends of the two sliding rods are fixedly connected to the same pushing plate, an electric push rod for pushing the pushing plate is arranged in the working chamber, and a battery for powering the two electric push rods is arranged in the working chamber, and the control switches of the two electric push rods are respectively arranged on both sides of the placement table.

[0013] As a preferred technical solution of the present invention, the two electric push rods are arranged opposite to each other, and the two electric push rods are at different position heights by arranging two push plates at different heights.

[0014] As a preferred technical solution of the present invention, sliding rollers are provided on both sides of the bottom end of the sliding platform away from the closed door panel, and the sliding rollers are cooperated to be limited in the sliding grooves opened on the bottom surface of the inner cavity of the placement room.

[0015] As a preferred technical solution of the present invention, the clamping limit assembly includes a fixed base plate in an inverted U shape and connected to two sliding rods, and clamping rods are slidably inserted on both sides of the fixed base plate. A contact round block is fixedly provided at one end of the clamping rod close to the partition, and a clamping disc is fixedly provided at the other end.

[0016] As a preferred technical solution of the present invention, a tension spring is sleeved on the outside of the clamping rod, two ends of the tension spring are respectively fixedly connected to the fixed base plate and the clamping disc, and an elastic cushion is provided on one side of the clamping disc.

[0017] As a preferred technical solution of the present invention, a lamp holder is provided at the top of each of the two placement cavities, an ultraviolet sterilization lamp is provided at the bottom of the lamp holder, the lamp holder is fixed in the placement cavity by a fixing column provided at the top, and the width of the lamp holder is smaller than the spacing between the two sliding rods.

[0018] As a preferred technical solution of the present invention, at least two drawer boxes are arranged at the bottom of the placement chamber in the trolley body, a collection bucket is inserted into one side of the bottom of the trolley body, and a universal wheel is arranged at the bottom end of the trolley body.

[0019] As a preferred technical solution of the present invention, the top of the working room is connected to the top of the trolley body, the bottom end of the placement table is provided with a press-in slot, and the placement table is clamped and connected to the trolley body through the press-in slot.

[0020] The present invention also provides a method for using a trolley equipped with an injection pump and an infusion pump, comprising the following steps:

[0021] S1: When you need to use the syringe pump or infusion pump, you can press the control switch on the corresponding side of the table, and the corresponding electric push rod will work to push the sliding platform and the closed door panel to move outward;

[0022] S2: During the movement of the sliding platform, the pressing disc will gradually remove the force on the syringe pump or the infusion pump. When the syringe pump or the infusion pump is completely moved to the outside of the trolley body, the force of the pressing disc disappears, and the syringe pump or the infusion pump can be taken out for use;

[0023] S3: After use, place the injection pump or infusion pump on the sliding platform again, press the control switch again, the electric push rod retracts, drives the sliding platform and the closed door panel to move inward, until the opening is closed by the closed door panel, and the tightening disc will tighten the injection pump or infusion pump.

[0024] The beneficial effects of the present invention are:

[0025] 1. This trolley equipped with an injection pump and an infusion pump, through the setting of a clamping disc and cooperating with a tension spring, when the sliding platform and the closed door panel move to drive the injection pump or the infusion pump to move into the placement cavity, the contact block will gradually approach the partition, and when the contact block collides with the partition, the partition will give it a reverse thrust. At this time, the clamping rod will drive the clamping disc to move forward due to the thrust of the contact block, and when the closed door panel moves to close the opening, the clamping disc contacts and clamps the injection pump or the infusion pump. Through the interaction between the clamping disc and the closed door panel, the position of the injection pump and the infusion pump in the placement cavity can be clamped and limited, thereby improving the stability of the positions of the two inside the trolley body, and thereby reducing the possibility of damage caused by shaking and collision between the two and the trolley body.

[0026] 2. For this type of trolley equipped with an injection pump and an infusion pump, the limit block is fixed to the sliding platform by screws. In this way, the position of the limit block can be fixed according to the size of the injection pump or the infusion pump. The distance between the two limit blocks can be greater than the width of the injection pump or the infusion pump by 1 cm. This can reduce the range of movement of the injection pump or the infusion pump on the sliding platform, making it easier to tighten and limit the two later.

[0027] 3. For this type of trolley equipped with a syringe pump and an infusion pump, the electric push rod will drive the push plate to move, the movement of the push plate will drive the two sliding bars to move, the movement of the sliding bars will drive the sliding platform and the closed door panel to move. When the sliding platform and the closed door panel move outward, the syringe pump or infusion pump can be removed from the placement cavity, making it convenient for medical staff to use.

[0028] 4. This type of trolley equipped with a syringe pump and an infusion pump has two control switches set up. When the syringe pump or the infusion pump needs to be used, only one of the corresponding control switches needs to be turned on. When the syringe pump and the infusion pump need to be used at the same time, both control switches can be turned on at the same time.

[0029] 5. This type of trolley equipped with a syringe pump and an infusion pump, when the syringe pump or the infusion pump is needed, the sliding platform and the closed door panel move outward, the movement of the sliding platform will drive the contact block to move, when the contact block is separated from the partition, the elastic action of the tension spring will pull the clamping disc inward and separate it from the syringe pump or the infusion pump, so that the clamping force on the syringe pump or the infusion pump can be removed, there is no need to manually remove the limit of the two, and the syringe pump and the infusion pump can be conveniently taken and used. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0031] Figure 1 is a front perspective view of the present invention;

[0032] Figure 2 The present invention Figure 1 A schematic diagram of the structure on the other side;

[0033] Figure 3 It is a schematic diagram of the internal structure of the studio and the placement chamber of the present invention;

[0034] Figure 4 The present invention Figure 3 Schematic diagram of the upper part of the structure;

[0035] Figure 5 It is a schematic diagram of the internal structure of two placement cavities of the present invention;

[0036] Figure 6 It is a schematic diagram of the structure of the automatic sliding assembly of the present invention;

[0037] Figure 7 is a schematic diagram of the lamp holder structure of the present invention;

[0038] Figure 8 The present invention Figure 4A local enlarged view of point A;

[0039] Fig. 9 It is a schematic diagram of the structure when the injection pump and the infusion pump of the present invention are all removed;

[0040] Fig.10 is a cross-sectional view of the present invention when the injection pump and the infusion pump are completely removed;

[0041] Fig.11 The present invention Fig.10 A partial enlarged view of point B;

[0042] Fig.12 It is a schematic diagram of the structure when the infusion pump of the present invention is removed alone.

[0043] In the figure: 10, trolley body; 11, placement table; 12, injection pump; 13, infusion pump; 14, partition; 15, lamp holder; 16, ultraviolet germicidal lamp; 17, drawer box; 18, universal wheel; 19, collection bucket; 20, automatic sliding assembly; 21, sliding platform; 22, closed door panel; 23, limit block; 24, slide rod; 25, push plate; 26, electric push rod; 27, sliding roller; 28, battery; 30, tight limit assembly; 31, fixed base plate; 32, tight rod; 33, contact round block; 34, tight disc; 35, tension spring. DETAILED DESCRIPTION

[0044] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0045] Embodiment 1

[0046] like Figure 1-Figure 5 As shown, the present invention provides a trolley with an injection pump and an infusion pump and a method of using the trolley, comprising a trolley body 10, a placement table 11 located on the top of the trolley body 10, and an injection pump 12 and an infusion pump 13 located inside the trolley body 10; the interior of the trolley body 10 is provided with a working room and a placement room, the interior of the placement room is divided into two placement chambers by a partition 14, and automatic sliding components 20 are respectively arranged in the two placement chambers opposite to each other; the injection pump 12 and the infusion pump 13 are respectively located on the sliding platforms 21 of the two automatic sliding components 20, and a closed door panel 22 is fixedly provided on the outer side of the sliding platform 21, and the closed door panel 22 is used to seal the opening opened on the side of the trolley body 10; a tightening limit component 30 is also provided on the automatic sliding component 20 on the back side of the injection pump 12 and the infusion pump 13, and the tightening limit component 30 cooperates with the closed door panel 22 to limit and tighten the injection pump 12 and the infusion pump 13 placed on the sliding platform 21.

[0047] Among them, Figure 5 and Figure 6 As shown, limit stops 23 are fixedly provided on both sides of the top of the sliding platform 21 by screws, and sliding rods 24 are fixedly provided at the two corners of the top of the sliding platform 21 away from the closed door panel 22, and the top of the sliding rod 24 passes through the studio and is placed in a sliding groove that penetrates the bottom end of the inner cavity of the studio; the tops of the two sliding rods 24 are fixedly connected to the same pushing plate 25, and an electric push rod 26 for pushing the pushing plate 25 is provided in the studio, and a battery 28 for powering the two electric push rods 26 is provided in the studio, and the control switches of the two electric push rods 26 are respectively provided on both sides of the placement table 11.

[0048] It should be noted that the limit block 23 is fixed to the sliding platform 21 by screws, so that the position of the limit block 23 can be fixed according to the size of the injection pump 12 or the infusion pump 13, and the distance between the two limit blocks 23 can be greater than 4-6 cm of the width of the injection pump 12 or the infusion pump 13. This can reduce the amplitude of the position movement of the injection pump 12 or the infusion pump 13 on the sliding platform 21, making it convenient for the subsequent tightening and limiting of the two.

[0049] Furthermore, the operation of the electric push rod 26 drives the push plate 25 to move, and the movement of the push plate 25 drives the two slide bars 24 to move, and the movement of the slide bars 24 drives the sliding platform 21 and the closed door plate 22 to move. When the sliding platform 21 and the closed door plate 22 move outward, the injection pump 12 or the infusion pump 13 can be moved out of the placement cavity, which is convenient for medical staff to use;

[0050] Specifically, by setting two control switches, when the injection pump 12 or the infusion pump 13 needs to be used, only one of the corresponding control switches needs to be turned on. When the injection pump 12 and the infusion pump 13 need to be used at the same time, both control switches can be turned on at the same time.

[0051] Among them, Figure 6 As shown, two electric push rods 26 are arranged opposite to each other, and by setting two push plates 25 of different heights, the two electric push rods 26 are at different position heights; sliding rollers 27 are arranged on both sides of the bottom end of the sliding platform 21 away from the closed door panel 22, and the sliding rollers 27 are cooperated to limit the position in the sliding groove opened on the bottom surface of the inner cavity of the placement room.

[0052] It should also be noted that by arranging the two electric push rods 26 relative to each other and at different heights, it is possible to avoid interference between the two electric push rods 26 when working at the same time. By setting the sliding roller 27, the smoothness of the movement of the sliding platform 21 can be improved, and by limiting the sliding roller 27 and the sliding groove, the sliding platform 21 can be limited in the placement cavity.

[0053] Among them, Figure 8 , Fig.10 and Fig.11 As shown, the clamping limit assembly 30 includes a fixed base plate 31 which is in an inverted U shape and connected to the two sliding rods 24, and clamping rods 32 are slidably inserted on both sides of the fixed base plate 31. A contact round block 33 is fixedly provided at one end of the clamping rod 32 close to the partition 14, and a clamping disc 34 is fixedly provided at the other end; a tension spring 35 is sleeved on the outside of the clamping rod 32, and the two ends of the tension spring 35 are respectively fixedly connected to the fixed base plate 31 and the clamping disc 34, and an elastic cushion is provided on one side of the clamping disc 34.

[0054] In detail, by setting the tightening disc 34 and cooperating with the tension spring 35, when the sliding platform 21 and the closed door plate 22 move to drive the injection pump 12 or the infusion pump 13 to move into the placement chamber, the contact round block 33 will gradually approach the partition 14. When the contact round block 33 conflicts with the partition 14, the partition 14 will give it a reverse thrust. At this time, the tightening rod 32 is pushed by the contact round block 33 to drive the tightening disc 34 to move forward. When the closed door plate 22 moves to close the opening, the tightening disc 34 contacts and tightens with the injection pump 12 or the infusion pump 13. Through the interaction between the tightening disc 34 and the closed door plate 22, the position of the injection pump 12 and the infusion pump 13 in the placement chamber can be tightened and limited, thereby improving the stability of the positions of the two in the trolley body 10, thereby reducing the possibility of damage caused by shaking and collision between the two and the trolley body 10;

[0055] Furthermore, when the syringe pump 12 or the infusion pump 13 needs to be used, the sliding platform 21 and the closed door plate 22 move outward, and the movement of the sliding platform 21 drives the contact round block 33 to move. When the contact round block 33 is separated from the partition 14, the elastic action of the tension spring 35 pulls the clamping disc 34 inward to separate from the syringe pump 12 or the infusion pump 13, so that the clamping force on the syringe pump 12 or the infusion pump 13 can be removed, and there is no need to manually remove the limit of the two, which is convenient for taking and using the syringe pump 12 and the infusion pump 13;

[0056] It should also be noted that, by providing the elastic pad, a buffer can be provided between the pressing disc 34 and the injection pump 12 and the infusion pump 13 , thereby reducing the possibility of the pressing disc 34 causing squeezing damage to the injection pump 12 or the infusion pump 13 .

[0057] Among them, Figure 3 , Figure 5 and Figure 7 As shown, a lamp holder 15 is disposed at the top of each of the two placement cavities, an ultraviolet sterilization lamp 16 is disposed at the bottom of the lamp holder 15, the lamp holder 15 is fixed in the placement cavity by a fixing column disposed at the top, and the width of the lamp holder 15 is smaller than the spacing between the two slide bars 24.

[0058] Specifically, through the setting of the ultraviolet sterilization lamp 16, when the injection pump 12 and the infusion pump 13 are replaced in the placement cavity after practical use, the outer surfaces of the two can be sterilized by the ultraviolet sterilization lamp 16, and by setting the width of the lamp holder 15 to be smaller than the spacing distance between the two slide bars 24, interference with the movement of the slide bars 24 can be avoided.

[0059] Among them, Figure 1 and Figure 2 As shown, at least two drawer boxes 17 are provided at the bottom of the placement chamber in the trolley body 10 , a collecting bucket 19 is inserted into one side of the bottom of the trolley body 10 , and a universal wheel 18 is provided at the bottom end of the trolley body 10 .

[0060] It should be noted that, through the provision of the drawer box 17, it is convenient to place more required instruments, through the provision of the collection bucket 19, it is convenient to collect medical waste generated during the use of the instruments, and through the provision of the universal wheel 18, it is convenient to push the trolley for mobile transportation.

[0061] Among them, Figure 1 As shown, the top of the working room is connected to the top of the trolley body 10, and a press-in slot is provided at the bottom of the placement table 11, and the placement table 11 is clamped and connected with the trolley body 10 through the press-in slot.

[0062] In detail, by clamping the placement table 11 and the trolley body 10, the two can be easily separated, and the electric push rod 26 and the battery 28 used in the working room can be installed and maintained.

[0063] Embodiment 2

[0064] like Figure 1-Figure 12 The present invention also provides a method for using a trolley equipped with an injection pump and an infusion pump, comprising the following steps:

[0065] S1: When the syringe pump 12 or the infusion pump 13 is needed, the control switch on the corresponding side of the table 11 can be pressed, and the corresponding electric push rod 26 will work to push the sliding platform 21 and the closed door panel 22 to move outward. When the syringe pump 12 and the infusion pump 13 need to be used at the same time, the two control switches can be pressed at the same time;

[0066] S2: During the movement of the sliding platform 21, the movement of the sliding platform 21 will drive the contact round block 33 to move. When the contact round block 33 is separated from the partition 14, the pressing disc 34 will gradually remove the force on the injection pump 12 or the infusion pump 13. When the injection pump 12 or the infusion pump 13 is completely moved to the outside of the trolley body 10, the force of the pressing disc 34 disappears, and the injection pump 12 or the infusion pump 13 can be taken out for use.

[0067] S3: After use, place the injection pump 12 or the infusion pump 13 on the sliding platform 21 again, press the control switch again, the electric push rod 26 retracts, driving the sliding platform 21 and the closed door panel 22 to move inward until the opening is closed by the closed door panel 22. At this time, the tightening disc 34 will tighten the injection pump 12 or the infusion pump 13. Through the interaction between the tightening disc 34 and the closed door panel 22, the injection pump 12 and the infusion pump 13 can be tightened and limited in the position in the placement cavity, thereby improving the stability of the positions of the two inside the trolley body 10.

[0068] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A trolley equipped with a syringe pump and an infusion pump, characterized in that: It comprises a trolley body (10), a placement table (11) located on the top of the trolley body (10), and an injection pump (12) and an infusion pump (13) located inside the trolley body (10); The trolley body (10) is provided with a working room and a placement room inside, the placement room is divided into two placement chambers by a partition (14), and automatic sliding components (20) are respectively arranged in the two placement chambers opposite to each other; The injection pump (12) and the infusion pump (13) are respectively located on the sliding platforms (21) of the two automatic sliding components (20); a closed door plate (22) is fixedly provided on the outer side of the sliding platform (21); the closed door plate (22) is used to seal the opening provided on the side of the trolley body (10); A tightening and limiting assembly (30) is also provided on the automatic sliding assembly (20) on the back side of the injection pump (12) and the infusion pump (13), and the tightening and limiting assembly (30) cooperates with the closed door panel (22) to tighten the injection pump (12) and the infusion pump (13) placed on the sliding platform (21).

2. A trolley equipped with a syringe pump and an infusion pump according to claim 1, characterized in that: Limiting blocks (23) are fixedly arranged on both sides of the top of the sliding platform (21) by screws, and sliding rods (24) are fixedly arranged at two corners of the top of the sliding platform (21) away from the closed door panel (22), and the top of the sliding rod (24) passes through the working room and is placed in a sliding groove that penetrates the bottom end of the inner cavity of the working room; The top ends of the two sliding rods (24) are fixedly connected to a same push plate (25), an electric push rod (26) for pushing the push plate (25) is arranged in the working chamber, and a storage battery (28) for supplying power to the two electric push rods (26) is arranged in the working chamber, and control switches of the two electric push rods (26) are respectively arranged on two sides of the placement table (11).

3. A trolley equipped with a syringe pump and an infusion pump according to claim 2, characterized in that: The two electric push rods (26) are arranged opposite to each other, and by arranging two push plates (25) at different heights, the two electric push rods (26) are at different position heights.

4. A trolley equipped with a syringe pump and an infusion pump according to claim 1, characterized in that: Sliding rollers (27) are provided on both sides of the bottom end of the sliding platform (21) away from the closed door panel (22), and the sliding rollers (27) are matched and limited in sliding grooves provided on the bottom surface of the inner cavity of the placement room.

5. A trolley equipped with a syringe pump and an infusion pump according to claim 2, characterized in that: The clamping and limiting assembly (30) comprises a fixed base plate (31) in an inverted U shape and connected to two sliding rods (24), and clamping rods (32) are slidably inserted on both sides of the fixed base plate (31), and a contact round block (33) is fixedly provided at one end of the clamping rod (32) close to the partition (14), and a clamping disc (34) is fixedly provided at the other end.

6. A trolley equipped with a syringe pump and an infusion pump according to claim 5, characterized in that: The outer sleeve of the abutting rod (32) is provided with a tension spring (35), and the two ends of the tension spring (35) are respectively fixedly connected to the fixed base plate (31) and the abutting disc (34), and an elastic cushion is provided on one side of the abutting disc (34).

7. A trolley equipped with a syringe pump and an infusion pump according to claim 2, characterized in that: A lamp holder (15) is disposed at the top of each of the two placement cavities, an ultraviolet sterilization lamp (16) is disposed at the bottom of the lamp holder (15), the lamp holder (15) is fixed in the placement cavity via a fixing column disposed at the top, and the width of the lamp holder (15) is smaller than the spacing between the two slide bars (24).

8. The trolley equipped with a syringe pump and an infusion pump according to claim 1, characterized in that: At least two drawer boxes (17) are arranged at the bottom of the placement chamber in the trolley body (10), a collecting bucket (19) is inserted into one side of the bottom of the trolley body (10), and a universal wheel (18) is arranged at the bottom end of the trolley body (10).

9. The trolley equipped with a syringe pump and an infusion pump according to claim 1, characterized in that: The top of the working room is in communication with the top of the trolley body (10); a press-in slot is provided at the bottom of the placement table (11); and the placement table (11) is clamped and connected with the trolley body (10) by cooperating with the press-in slot.

10. A method for using a trolley equipped with a syringe pump and an infusion pump, applied to a trolley equipped with a syringe pump and an infusion pump as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: S1: When the injection pump (12) or the infusion pump (13) is needed, the control switch on the corresponding side of the table (11) can be pressed down, and the corresponding electric push rod (26) will work to push the sliding platform (21) and the closed door panel (22) to move outward; S2: During the movement of the sliding platform (21), the pressing disc (34) gradually removes the force acting on the injection pump (12) or the infusion pump (13). When the injection pump (12) or the infusion pump (13) is completely moved to the outside of the trolley body (10), the force of the pressing disc (34) disappears, and the injection pump (12) or the infusion pump (13) can be taken out for use. S3: After use, the injection pump (12) or the infusion pump (13) is placed on the sliding platform (21) again, and the control switch is pressed again. The electric push rod (26) retracts to drive the sliding platform (21) and the closed door plate (22) to move inward until the opening is closed by the closed door plate (22). At this time, the pressing disc (34) presses the injection pump (12) or the infusion pump (13) tightly.

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