CN111840697A - Vertical pump double rail synchronous infusion pump - Google Patents

Abstract

The invention discloses a vertical pump double-track synchronous infusion pump which comprises two groups of infusion mechanisms and a PLC (programmable logic controller) connected between the two groups of infusion mechanisms, wherein L-shaped clamping plates are bonded on the adjacent side surfaces of the two groups of infusion mechanisms, the vertical parts of the two groups of clamping plates respectively penetrate through two groups of hanging grooves formed in the top end of the PLC, each infusion mechanism comprises a shell, plunger pipes, a power pump and a liquid containing box, the side surfaces of the shell are rotatably connected with a movable door through spring hinges, the inner wall of the shell is connected with the power pump through a plurality of groups of screws, circular plates are bonded on the periphery of the plunger pipes, the inner walls of circular channels formed in the two groups of symmetrically arranged side surfaces of the shell are provided with the plunger pipes, the circular plates of the two groups of plunger pipes are bonded and fixed with the shell, the two groups of circular plates. The vertical pump double-track synchronous infusion pump not only can stabilize double-pump infusion, but also is convenient to carry and fix.

Description

Vertical pump double rail synchronous infusion pump

technical field

The invention belongs to the technical field of infusion pumps, in particular to a vertical pump double-track synchronous infusion pump.

Background technique

The infusion pump is an instrument that can accurately control the number of infusion droplets or the infusion flow rate, and ensure that the drug can enter the patient's body accurately and safely at a uniform speed. At the same time, the infusion pump can also improve the efficiency and flexibility of clinical drug delivery operations and reduce nursing workload. The infusion pump is usually a mechanical or electronic control device, which achieves the purpose of controlling the infusion rate by acting on the infusion catheter.

The current clinical infusion pump can meet the infusion needs of children with a single venous access to control the liquid rate, but the problem is that if the child needs two venous accesses to control the liquid rate at the same time, one infusion pump cannot meet the needs (the current The horizontal double-track infusion pump can only allow a maximum volume of about 50ml of liquid to be input at a limited speed at the same time), which requires the help of two infusion pumps. In this case, the nurse needs to place two infusion pumps on the bed of the patient, which is time-consuming , physical strength, but also occupies part of the bedside space, increasing the labor cost of post-use maintenance and terminal disinfection - the limitations of monorail infusion pumps in clinical applications are obvious.

Therefore, in view of this situation, it is urgent to design and produce a vertical pump double-track synchronous infusion pump to meet the needs of practical use.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a vertical pump double-track synchronous infusion pump to solve the problems raised in the above-mentioned background art.

In order to achieve the above object, the present invention provides the following technical solutions: a vertical pump double-track synchronous infusion pump, comprising two groups of infusion mechanisms and a PLC connected between the two groups of infusion mechanisms, and the adjacent sides of the two groups of infusion mechanisms are bonded with L. Font-shaped card board, the vertical parts of the two groups of card boards respectively pass through the two sets of hanging slots provided at the top of the PLC;

The infusion mechanism includes a casing, a plunger tube, a power pump and a liquid storage tank. The side of the casing is rotatably connected with a movable door through a spring hinge, and the inner wall of the casing is connected with a power pump through a plurality of sets of screws. The outer circumference of the plug tube is bonded with a circular plate, the inner walls of the circular channels opened on the two sets of symmetrically arranged sides of the casing are all provided with plunger tubes, and the circular plates of the two sets of plunger tubes are both bonded and fixed with the casing, and the two The group circular plates are respectively arranged on both sides of the casing, the top of the lower plunger tube is connected with a power pump, and a liquid storage tank is connected between the power pump and the upper plunger tube, and the inner wall of the liquid storage tank is bonded with a pressure sensor, the outer wall of the liquid tank is also bonded with an infrared drop sensor and an ultrasonic sensor;

The front end of the PLC is provided with a display screen and a plurality of sets of buttons, and the display screen is arranged above the buttons, the top of the PLC is connected with a portable mechanism, and the rear side of the PLC is connected with a plurality of sets of auxiliary fixed knob connectors.

Preferably, a control switch is connected to the inner wall of the casing, and the two groups of buttons of the control switch respectively pass through the two groups of circular passages of the casing, and the control switch is electrically connected to the power pump through wires, and the front end of the casing is provided with The drip speed display screen is electrically connected with the infrared drip count sensor.

Preferably, the liquid holding tank is arranged in the inner cavity of the outer casing, the two sides of the liquid holding tank are bonded with side plates, and the side plates are connected with the outer casing through countersunk bolts, and the material of the liquid holding tank is set to be transparent plastic.

Preferably, the carrying mechanism includes a connecting plate, a lifting lug and a U-shaped handle, the connecting plate is connected to the PLC through two sets of connecting bolts, two sets of lifting lugs are welded on the top of the connecting plate, and two sets of lifting lugs are welded to the top of the connecting plate. The lifting lugs are arranged between the two sets of connecting bolts, the two sets of bending parts of the handle are hinged with the two sets of lifting lugs through the two sets of rotating shafts, and the outer periphery of the connecting parts of the handle is bonded with anti-skid sleeves.

Preferably, multiple sets of the knob connectors include a support plate, a threaded pipe, a threaded rod and a rotating rod, and two sets of support plates are integrally formed on the outer circumference of the threaded pipe, and the support plates are connected to the PLC through countersunk bolts, The threaded pipe is internally threaded with a threaded rod, and the other side of the threaded rod is welded with a rotating rod.

Preferably, the PLC is electrically connected to the power pump, the pressure sensor, the infrared drop sensor and the ultrasonic sensor through wires, and the PLC is connected to the V mains through wires.

Preferably, the outer circumference of the upper half of the plunger tube above the casing is sleeved with an infusion tube, and the outer circumference of the lower half of the plunger tube below the outer casing is sleeved with an infusion needle.

Preferably, the movable door is also connected to the housing through a combination lock, and a perspective window is bonded to the inner wall of the perspective channel opened by the movable door.

Preferably, the shell is provided with a confirm button. When the confirm button is pressed, the dripping speed display will display the preset dripping speed. When the dripping speed displayed on the dripping speed display is the same as the preset dripping speed, press again. Start the infusion after pressing the OK key; when the dripping speed displayed on the dripping speed display is different from the preset dripping speed, adjust the preset dripping speed and press the OK key again to detect the dripping speed.

The technical effects and advantages of the present invention are as follows: the vertical pump double-track synchronous infusion pump can synchronously control two groups of infusion mechanisms through PLC, which can ensure synchronous and precise infusion; The connection method is also convenient for the installation and disassembly of the infusion pump; the threaded pipe of the knob connector passes through the through hole of the hanger (or other fixed equipment) to be fixed, and the threaded rod is rotated for threaded connection. When the rod rotates, the threaded pipe can slide out of the through hole to ensure the stability of the connection; the infrared drop sensor can measure the dripping speed of the infusion, so as to carry out accurate infusion, the ultrasonic sensor can detect the situation of air bubbles, and the pressure sensor can Detect liquid leakage and blockage to ensure stable infusion; the vertical pump double-track synchronous infusion pump can not only stabilize dual-pump infusion, but also facilitate hand-carry and fixation.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the rear view of PLC of the present invention;

3 is a cross-sectional view of the housing of the present invention;

FIG. 4 is a circuit connection diagram of the present invention.

In the picture: 1 infusion mechanism, 2PLC, 3 cardboard, 4 shell, 5 plunger tube, 6 power pump, 8 movable door, 10 circular plate, 11 liquid storage tank, 12 portable mechanism, 13 knob connector, 14 control switch , 16 side plates, 17 connecting plates, 18 lifting lugs, 19 handles, 20 plates, 21 threaded pipes, 22 threaded rods, 23 rotating rods, 24 confirmation keys, 25 dripping speed display.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Unless indicated by a separate definition, the directions of up, down, left, right, front, rear, inner and outer referred to herein are the directions of up, down, left, right, front and rear in the drawings shown in the present invention. , inside and outside directions shall prevail, and are explained together here.

The present invention provides a vertical pump double-track synchronous infusion pump as shown in Figures 1-4, comprising two groups of infusion mechanisms 1 and a PLC2 connected between the two groups of infusion mechanisms 1, and the adjacent sides of the two groups of infusion mechanisms 1 are viscous An L-shaped card board 3 is connected, and the vertical portions of the two groups of card boards 3 respectively pass through two sets of hanging slots provided at the top of the PLC2;

The infusion mechanism 1 includes an outer casing 4, a plunger tube 5, a power pump 6 and a liquid storage tank 11. The side surface of the outer casing 4 is rotatably connected with a movable door 8 through a spring hinge, and the inner wall of the outer casing 4 is connected by a plurality of sets of screws. The power pump 6 is connected, the outer circumference of the plunger tube 5 is bonded with a circular plate 10, the inner wall of the circular channel opened on the two sets of symmetrically arranged sides of the outer casing 4 is provided with the plunger tube 5, and the two groups of columns The circular plates 10 of the plug tube 5 are bonded and fixed with the casing 4 to ensure the connection stability of the plunger tube 5. The plunger tube 5 is made of rigid plastic material. The top of the plunger tube 5 is communicated with a power pump 6, and a liquid storage tank 11 is connected between the power pump 6 and the upper plunger tube 5. The inner wall of the liquid storage tank 11 is bonded with a pressure sensor, and the liquid storage tank 11 is The outer wall of the box 11 is also bonded with an infrared drop sensor and an ultrasonic sensor;

The front end of the PLC2 is provided with a display screen and a plurality of groups of buttons, and the display screen is arranged above the buttons, the top of the PLC2 is connected with a portable mechanism 12, and the rear side of the PLC2 is connected with a plurality of groups of auxiliary fixed knob connectors 13.

Specifically, the inner wall of the casing 4 is connected with a control switch 14, and the two groups of buttons of the control switch 14 respectively pass through the two groups of circular channels of the casing 4, and the control switch 14 is electrically connected to the power pump 6 through wires, so The front end of the housing 4 is provided with a drip speed display screen, and the drip speed display screen is electrically connected with the infrared drip count sensor.

Specifically, the liquid storage tank 11 is arranged in the inner cavity of the outer casing 4, and side plates 16 are bonded to both sides of the liquid storage tank 11, and the side plates 16 are connected with the outer casing 4 through countersunk bolts. The material of the liquid tank 11 is set to be transparent plastic, which is convenient to observe the situation of liquid storage.

Specifically, the carrying mechanism 12 includes a connecting plate 17, a lifting lug 18 and a U-shaped handle 19. The connecting plate 17 is connected to the PLC2 through two sets of connecting bolts, and two sets of the connecting plate 17 are welded on the top of the connecting plate 17. Lifting lugs 18, and two groups of lifting lugs 18 are arranged between two groups of connecting bolts. A non-slip sleeve is glued to the outer periphery.

Specifically, the multiple sets of the knob connectors 13 each include a support plate 20 , a threaded pipe 21 , a threaded rod 22 and a rotating rod 23 , and two sets of support plates 20 are integrally formed on the outer circumference of the threaded pipe 21 . It is connected with PLC2 through countersunk bolts, the threaded pipe 21 is internally threaded with a threaded rod 22, and the other side of the threaded rod 22 is welded with a rotating rod 23. By using the threaded connection, the rotating rod 21 and the support plate 20 are respectively placed in the required positions. Fixed fixing frame (or other fixed equipment) on both sides, so as to play a fixed role.

Specifically, the PLC2 is electrically connected to the power pump 6, the pressure sensor, the infrared drop count sensor and the ultrasonic sensor through wires, the PLC2 is connected to the 220V mains through wires, and a final confirmation key is also provided on the PLC2. After the speed regulation is completed, the final use is confirmed. The PLC2 model can be selected as Siemens S7300, the pressure sensor can be selected from PH105 from Biaohe Instrument Co., Ltd., and the ultrasonic sensor can be selected from Changzhou Mainuoshi Electronics Co., Ltd. Ultrasonic sensor, infrared The drop sensor is set as a dedicated device for the infusion pump.

Specifically, the outer circumference of the upper half of the plunger tube 5 above the casing 4 is sleeved with an infusion tube, and the outer circumference of the lower half of the plunger tube 5 below the outer casing 4 is sleeved with an infusion needle.

Specifically, the movable door 8 is also connected to the housing 4 through a combination lock, and a perspective window is bonded to the inner wall of the perspective channel opened by the movable door 8 .

Specifically, the casing 4 is provided with a confirmation key 24. When the confirmation key 24 is pressed, the dripping speed display screen 25 will display the preset dripping speed. When the dripping speed displayed on the dripping speed display screen 25 is the same as the preset dripping speed When the dripping speed displayed on the dripping speed display screen 25 is different from the preset dripping speed, press the confirming key 24 again to detect the dripping speed by adjusting the preset dripping speed.

Working principle, the vertical pump double-track synchronous infusion pump, the two sets of infusion mechanisms 1 to be used are placed on both sides of PLC2, the vertical part of the clamping plate 3 is clamped into the hanging groove of PLC2, and then the threaded pipe 21 Pass through the through hole of the fixing frame, and rotate the rotating rod 23 to make the threaded rod 22 and the threaded pipe 21 threadedly connected, and make the rotating rod 23 press against the fixing frame, and the outer circumference of the upper half of the upper plunger tube 5 is sleeved with a In the infusion tube, the lower half of the plunger tube 5 is sleeved with an infusion needle, and then the control switch 14 of the infusion mechanism 1 is turned on, and the power of the power pump 6 is adjusted by the speed control switch. When infusion is required, turn on the confirmation of PLC2 key to turn it on. After pressing the OK key 24, the dripping speed display 25 will display the preset dripping speed. When the dripping speed displayed on the dripping speed display 25 is the same as the preset dripping speed, press the OK key 24 again. Then start the infusion; when the dripping speed displayed on the dripping speed display screen 25 is different from the preset one, after adjusting the preset dripping speed, press the OK key 24 again to detect the dripping speed. During the infusion process, from the display of PLC2 The data from the pressure sensor, infrared drop sensor and ultrasonic sensor can be observed on the screen.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions recorded in the foregoing embodiments can be modified, or some technical features thereof can be equivalently replaced, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included. within the protection scope of the present invention.

Claims (9)

1. A vertical pump double-track synchronous infusion pump, comprising two groups of infusion mechanisms (1) and a PLC (2) connected between the two groups of infusion mechanisms (1), characterized in that: the adjacent two groups of the infusion mechanisms (1) are adjacent L-shaped card plates (3) are glued on the sides, and the vertical parts of the two groups of card plates (3) respectively pass through the two sets of hanging grooves provided at the top of the PLC (2); The infusion mechanism (1) includes a casing (4), a plunger tube (5), a power pump (6) and a liquid storage tank (11), and a movable door is connected to the side of the casing (4) through a spring hinge in rotation. (8), the inner wall of the casing (4) is connected with a power pump (6) through multiple sets of screws, the outer circumference of the plunger tube (5) is bonded with a circular plate (10), and the outer circumference of the casing (4) is Plunger tubes (5) are arranged on the inner walls of the circular channels opened on the two sets of symmetrically arranged sides, and the circular plates (10) of the two sets of plunger tubes (5) are both bonded and fixed with the casing (4). The plates (10) are respectively arranged on both sides of the casing (4), the top end of the lower plunger tube (5) is connected with the power pump (6), and the power pump (6) and the upper plunger tube (5) are connected between A liquid storage tank (11) is communicated with, the inner wall of the liquid storage tank (11) is bonded with a pressure sensor, and the outer wall of the liquid storage tank (11) is further bonded with an infrared drop count sensor and an ultrasonic sensor; The front end of the PLC (2) is provided with a display screen and a plurality of sets of buttons, and the display screen is arranged above the buttons, the top of the PLC (2) is connected with a portable mechanism (12), and the rear of the PLC (2) is connected. There are multiple sets of knob connectors (13) for auxiliary fixing on the side connection. 2 . The vertical pump dual-rail synchronous infusion pump according to claim 1 , wherein a control switch ( 14 ) is connected to the inner wall of the casing ( 4 ), and the two sets of buttons of the control switch ( 14 ) pass through the casing respectively. 3 . (4) two sets of circular channels, and the control switch (14) is electrically connected to the power pump (6) through wires, the front end of the casing (4) is provided with a dripping speed display (25), and the dripping speed display The screen (25) is electrically connected with the infrared drop count sensor. 3. The vertical pump double-track synchronous infusion pump according to claim 1, characterized in that: the liquid holding tank (11) is arranged in the inner cavity of the outer shell (4), and both sides of the liquid holding tank (11) are The side plate (16) is adhered, and the side plate (16) is connected with the outer casing (4) through countersunk bolts, and the material of the liquid storage tank (11) is set to be transparent plastic. 4. The vertical pump dual-rail synchronous infusion pump according to claim 1, wherein the portable mechanism (12) comprises a connecting plate (17), a lifting lug (18) and a U-shaped handle (19), The connecting plate (17) is connected to the PLC (2) through two sets of connecting bolts, two sets of lifting ears (18) are welded to the top of the connecting plate (17), and the two sets of lifting ears (18) are arranged in the two sets of lifting ears (18). Between the connecting bolts, the two sets of bending parts of the handle (19) are hinged with the two sets of lifting ears (18) through two sets of rotating shafts, and the outer periphery of the connecting part of the handle (19) is bonded with anti-skid sleeves. 5. The vertical pump dual-rail synchronous infusion pump according to claim 1, characterized in that: multiple sets of said knob connectors (13) all comprise a support plate (20), a threaded pipe (21), a threaded rod (22) and The rotating rod (23), the outer circumference of the threaded pipe (21) is integrally formed with two sets of support plates (20), the support plates (20) are connected to the PLC (2) through countersunk bolts, and the threaded pipe (21) ) is connected with a threaded rod (22), and the other side of the threaded rod (22) is welded with a rotating rod (23). 6. The vertical pump double-track synchronous infusion pump according to claim 1, characterized in that: the PLC (2) is electrically connected to the power pump (6), the pressure sensor, the infrared drop count sensor and the ultrasonic sensor through wires, so that the The PLC (2) is connected to the 220V mains through wires. 7 . The vertical pump dual-rail synchronous infusion pump according to claim 1 , wherein the outer periphery of the upper half of the plunger tube ( 5 ) above the casing ( 4 ) is sleeved with an infusion tube, and the casing An infusion needle is sleeved on the outer periphery of the lower half of the plunger tube (5) below (4). 8 . The vertical pump double-track synchronous infusion pump according to claim 1 , wherein the movable door ( 8 ) is also connected to the housing ( 4 ) through a combination lock, and the inner wall of the perspective channel opened by the movable door ( 8 ) is 8 . Glued with see-through windows. 9. The vertical pump double-track synchronous infusion pump according to claim 1, characterized in that: the casing (4) is provided with a confirmation key (24), when the confirmation key (24) is pressed, the dripping speed display (24). 25) The preset dripping speed will be displayed. When the dripping speed displayed on the dripping speed display (25) is the same as the preset dripping speed, press the OK button (24) again to start the infusion; when the dripping speed display (25) The displayed dripping speed is different from the preset dripping speed. After adjusting the preset dripping speed, press the OK key (24) again to perform dripping speed detection.

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