CN112156272A

CN112156272A - Infusion system

Info

Publication number: CN112156272A
Application number: CN202011184051.6A
Authority: CN
Inventors: 周燕
Original assignee: Shenzhen Leningkang Medical Technology Co ltd
Current assignee: Shenzhen Leningkang Medical Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-01-01

Abstract

The invention provides a transfusion system which comprises a support frame, a liquid switching device, a transfusion pipe, a drip cup, a plurality of transfusion bottles and a plurality of liquid switching devices, wherein the plurality of transfusion bottles and the liquid switching devices are all arranged on the support frame, the plurality of transfusion bottles are connected with the liquid switching device through the transfusion pipe, one side of the liquid switching device, which is far away from the transfusion bottles, is connected with the drip cup through the transfusion pipe and is used for draining liquid in the transfusion bottles into the drip cup one by one. Generally, the infusion system can monitor the infusion state and automatically change infusion bottles for infusion.

Description

Infusion system

Technical Field

The invention relates to the field of medical equipment, in particular to a transfusion system.

Background

The infusion is a method for injecting medicine into human veins by utilizing the principle that pressure difference is generated by liquid fall, and is a common method for clinically rescuing and treating patients, but the infusion work is carried out by manual operation, monitoring and replacement nursing of medical staff in the whole course at present, and because the manual operation has uncertainty, when the infusion is carried out or the infusion bottle is replaced, some fine dust, bacteria and the like pollute the infusion bottle, and in the process, the liquid medicine is excessively input due to untimely manual monitoring, so that blood flows back into the infusion tube, and serious consequences are caused.

Disclosure of Invention

Technical problem to be solved

To solve the above problems, the present invention provides an infusion system.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an infusion system includes the support frame, liquid auto-change over device, the transfer line, drip kettle and a plurality of infusion bottle, a plurality of infusion bottles and liquid auto-change over device are all installed on the support frame, a plurality of infusion bottles pass through the transfer line and are connected with liquid auto-change over device, one side that liquid auto-change over device kept away from the infusion bottle is passed through the transfer line and is connected with drip kettle, be arranged in the liquid drainage with in the infusion bottle one by one to drip the kettle, this infusion system is still including installing the monitoring device on the support frame, monitoring device is used for the control from the liquid drainage in the liquid auto-change over device to drip the kettle condition and.

Preferably, the monitoring device comprises a second support, and a second control module, a first sensor and a second sensor which are all mounted on the second support, the second control module is respectively and electrically connected with the first sensor, the second sensor and the liquid switching device, the first sensor monitors an infusion tube at the joint of the liquid switching device and the drip cup, the second sensor monitors the water level condition in the drip cup, and the second control module is used for capturing information monitored by the first sensor and the second sensor and feeding the information back to the liquid switching device.

Preferably, the monitoring device further comprises a second driving assembly, the second driving assembly is mounted on the second support and used for cutting off liquid in the liquid switching device to be drained into the drip cup, the second driving assembly comprises a cutting part and a second driving part, the second driving part is in driving connection with the cutting part, the second driving part is electrically connected with the second control module, the second control module can control the second driving part to drive the cutting part to operate, the cutting part abuts against an infusion tube at the joint of the drip cup and the liquid switching device, and the infusion tube is cut off in connection relation.

Preferably, the bottom of the support frame is provided with a plurality of wheels.

Preferably, the liquid switching device comprises a first support, a multi-way diverter valve and a first driving assembly, wherein the multi-way diverter valve and the first driving assembly are mounted on the first support, the multi-way diverter valve comprises a main channel and a plurality of branch channels communicated with the main channel, a valve core is further arranged in the main channel and used for communicating one branch channel with the main channel, and the first driving assembly is in driving connection with the valve core so as to control the valve core to switch the communication between the branch channels and the main channel.

Preferably, the first bracket is provided with a fixing hole and a cover member, the main channel penetrates through the fixing hole and is arranged outside, so that the multi-way diverter valve is clamped on the first bracket, and the cover member covers the multi-way diverter valve and is fixedly connected with the first bracket for fixing the multi-way diverter valve on the first bracket.

Preferably, the first driving assembly includes a first driving member and a first control module, the first driving member and the first control module are mounted in the housing, and the first control module is electrically connected to the first driving member and is used for controlling the first driving member to drive the valve core to switch the connection between the different branch channels and the main channel

Preferably, the shell is provided with a bayonet, the first support is provided with a clamping piece corresponding to the bayonet, and when the shell is installed on the first support, the clamping piece is clamped in the bayonet, so that the first driving assembly is fixed on the first support.

(III) advantageous effects

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 shows a first schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the fluid switching device and the monitoring device of FIG. 1;

FIG. 3 is a schematic diagram of the liquid switching apparatus of FIG. 2;

FIG. 4 shows an exploded view of the liquid switching device of FIG. 3;

FIG. 5-1 is a schematic structural view of a multi-way diverter valve according to a first embodiment of the present invention;

FIG. 5-2 is a schematic structural view of a multi-way diverter valve according to a second embodiment of the present invention;

FIGS. 5-3 illustrate a schematic structural view of a multi-way diverter valve according to a third embodiment of the present invention;

FIG. 6 is a schematic diagram of the monitoring device of FIG. 2;

FIG. 7 shows a first state diagram of the monitoring device of FIG. 6;

fig. 8 shows a second state diagram of the monitoring device in fig. 6.

In the figure: the device comprises a liquid switching device 10, a first bracket 11, a fixing hole 111, a cover part 112, a clamping part 113, a 12-way flow divider valve, a main channel 121, a branch channel 122, a valve core 123, a first driving component 13, a shell 131, a bayonet 131a, a first driving component 132, a first control module 133, a monitoring device 20, a second bracket 21, a second control module 22, a first sensor 23, a second sensor 24, a second driving component 25, a cutting part 251, a second driving component 252, a support frame 30, a liquid conveying pipe 40, a drip cup 50, a liquid conveying bottle 60 and a wheel 70.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, an infusion system includes a support frame 30, a liquid switching device 10, an infusion tube 40, a drip cup 50, and a plurality of infusion bottles 60, wherein the plurality of infusion bottles 60 and the liquid switching device 10 are all mounted on the support frame 30, the plurality of infusion bottles 60 are connected to the liquid switching device 10 through the infusion tube 40, and one side of the liquid switching device 10 away from the infusion bottle 60 is connected to the drip cup 50 for draining liquid in the infusion bottles 60 one by one into the drip cup 50.

Referring to fig. 1 to 8, a liquid switching apparatus 10 includes a first bracket 11, and a multi-way diverter valve 12 and a first driving assembly 13 mounted on the first bracket 11, where the multi-way diverter valve 12 includes a main channel 121 and a plurality of branch channels 122 communicated with the main channel 121, a valve core 123 is further disposed in the main channel 121, the valve core 123 is used to communicate one of the branch channels 122 with the main channel 121, and the first driving assembly 13 is in driving connection with the valve core 123 to control the valve core 123 to switch the communication between the branch channel 122 and the main channel 121;

the first bracket 11 is provided with a fixing hole 111 and a cover member 112, the main channel 121 penetrates the fixing hole 111 and is disposed outside, so that the multi-way diverter valve 12 is clamped on the first bracket 11, and the cover member 112 covers the multi-way diverter valve 12 and is fixedly connected with the first bracket 11, and is used for fixing the multi-way diverter valve 12 on the first bracket 11.

Specifically, the first bracket 11 includes a bearing portion for bearing the multi-way diverter valve 12 and the first driving assembly 13 and a fixing portion for fixing to the supporting bracket 30, the bearing portion is actually a half-shell structure, and is provided with a fixing hole 111 and a cover 112 covering the half-shell structure, when the multi-way diverter valve 12 is installed on the bearing portion, the bottom of the main channel 121 is inserted into the fixing hole 111, and the joint of the main channel 121 and the other branch channels 122 abuts against the edge of the fixing hole 111, so that the multi-way diverter valve 12 is clamped at the fixing hole 111, and then the cover 112 covers the multi-way diverter valve 12 and is fixedly connected with the bearing portion, so as to complete the fixed connection of the multi-way diverter valve 12, wherein the joint surfaces of the cover 112 and the bearing portion are respectively provided with structures for mutual clamping, as shown in fig. 4, so that the cover 112 does not need to be fixed by screws, and the use of accessories is reduced, the multi-way diverter valve 12 in this embodiment adopts a five-way valve structure, the main channel 121 is provided with four branch channels 122, which can be connected with four infusion bottles 60 at one time and perform infusion work, and the infusion work depends on the gravity of liquid during the infusion, so the four branch channels 112 are obliquely arranged on the main channel 121, and the multi-way diverter valve 12 further comprises a four-way valve structure and a three-way valve structure in other embodiments, as shown in fig. 5-1, fig. 5-2 and fig. 5-3, so as to correspondingly access three or two infusion bottles 40, and medical staff can select different multi-way diverter valves 12 according to the number of the infusion bottles 40 used by a patient.

Further, the first driving assembly 13 includes a first driving member 132 and a first control module 133, where the housing 131 is installed in the housing 131, and the first control module 133 is electrically connected to the first driving member 132 for controlling the first driving member 132 to drive the valve element 123 to switch the connection between the different branch channels 122 and the main channel 121.

Specifically, the first driving element 132 is a driving motor, an output end of the driving motor is fixedly connected with the valve core 123, in fact, the valve core 123 is provided with a threaded hole, the output end of the driving motor is in threaded fit with the threaded hole, the first control module 133 can control the driving motor to drive the valve core 123 to rotate in the main channel 121, and further switch different branch channels 122 to be communicated with the main channel 121, wherein it should be noted that the rotation direction of the valve core 123 in the main channel 121 is consistent with the locking direction of the output end of the driving motor in threaded fit with the valve core 123, and the direction in which the driving motor drives the valve core 123 to rotate is single, so as to avoid the situation that the valve core 123 falls off from the driving motor when the driving motor drives the valve core 123 to switch different branch channels 122 to be communicated with the main channel 121, which easily causes equipment damage, and seriously affects the failure of timely, so that air enters the vein of a patient to cause pollution, a recording chip is arranged in the first control module 133, the recording chip correspondingly records the condition of the branch channels 122 on the multi-way diverter valve 12, the first branch channel 122 is correspondingly marked with the number 1, the condition is that in use, the marks corresponding to other branch channels 122 are sequentially analogized from number 1 to back, and the condition is undetermined, wherein the marking sequence is determined by the clockwise or counterclockwise arrangement of the branch channels, the clockwise or counterclockwise selection is determined according to the connection locking direction of the valve core 123 and the driving motor, when the liquid in the infusion bottle 60 corresponding to the branch channel 122 marked with the number 1 is drained, the first control module 133 drives the driving motor to rotate the valve core 123 to close the branch channel 122 with the number 1 and open the branch channel 122 with the number 2, in the process, the first control module 133 records the condition of the number 1 in the recording chip as infusion completion, and the state of No. 2 is switched from pending to using, and then the working flows are consistent until the last branch channel 122 completes the infusion work.

Further, be equipped with bayonet 131a on the shell 131, be equipped with joint 113 corresponding to bayonet 131a on the first support 11, when shell 131 was installed on first support 11, joint 113 is gone into bayonet 131a in, and then makes first drive assembly 13 fix on first support 11.

Referring to fig. 4, the two bayonet sockets 131a are symmetrically disposed on two sides of the housing 131, and the two corresponding clamping members 113 on the bearing portion of the first bracket 11 are also disposed, when the housing 131 is inserted into the bearing portion from top to bottom, the clamping members 113 are clamped into the bayonet sockets 131a to fix the housing 131, one side of the clamping member 113 away from the bearing portion is provided with a convex auxiliary member, a medical worker can pull the auxiliary member to move the clamping end of the clamping member 113 in a direction away from the bayonet sockets 131a until the clamping member is separated from the bayonet sockets 131a, and the first driving assembly 13 can be conveniently disassembled and assembled and the first driving assembly 13 is maintained or replaced.

Further, the infusion system further comprises a monitoring device 20 mounted on the support frame 30, the monitoring device 20 is used for monitoring the condition that the liquid in the liquid switching device 10 is drained to the drip cup 50 and the condition that the water level in the drip cup 50 is high;

the monitoring device 20 comprises a second bracket 21, and a second control module 22, a first sensor 23 and a second sensor 24 which are all mounted on the second bracket 21, the second control module 22 is respectively electrically connected with the first sensor 23, the second sensor 24 and the liquid switching device 10, the first sensor 23 monitors the infusion tube 40 at the connection position of the liquid switching device 10 and the drip cup 50, the second sensor 24 monitors the water level condition in the drip cup 50, and the second control module 22 is used for capturing the information monitored by the first sensor 23 and the second sensor 24 and feeding the information back to the liquid switching device 10.

Referring to fig. 6, the first sensor 23 is disposed at the connection between the outlet of the main channel 121 and the drip cup 50, the connection is a shorter infusion tube 40, the first sensor 23 monitors whether the infusion tube 40 at that position drops liquid into the drip cup 50 normally, when no liquid in the infusion tube 40 at that position drops into the drip cup 50, that is, when the liquid in the infusion bottle 60 is completely infused, a new infusion bottle 60 needs to be replaced to perform the liquid-continuing operation, the first sensor 23 transmits the signal to the second control module 22, the second control module 22 feeds the signal back to the first control module 13 in the liquid switching device 10, switches the branch channel 122 in the in-use state to the infusion-completing state, and controls the valve plug 123 to close the branch channel 122 and open the next branch channel 122 to drain a new infusion to continue the infusion operation, the first sensor 23 recognizes that the infusion tube 40 is filled with fluid again, and stops sending the signal to the second control module 22, so that the infusion flow returns to the normal trajectory, when the fluid in the last infusion tube 60 is drained, the first sensor 23 is consistent with the above information transmission flow, since the recording chip in the first control module 13 has set how many branch channels 122 need to work in the infusion system, after the first control module 13 receives the information, the first driving member 132 is not activated to drive the valve core 123 to rotate, during which the fluid in the drip cup 50 is continuously reduced until the fluid level in the drip cup 50 is lower than the height sensed by the second sensor 24, the second sensor 24 sends the signal to the second control module 22, a buzzer is arranged in the second control module 22, and the second control module 22 activates the buzzer when receiving the signal, to remind medical personnel to terminate the infusion work.

Further, the monitoring device 20 further includes a second driving assembly 25, the second driving assembly 25 is mounted on the second bracket 21 and is configured to cut off the liquid in the liquid switching device 10 from being drained into the drip cup 50, the second driving assembly 25 includes a cutting member 251 and a second driving member 252, the second driving member 252 is in driving connection with the cutting member 251, the second driving member 252 is electrically connected with the second control module 22, and the second control module 22 can control the second driving member 252 to drive the cutting member 251 to operate, so that the cutting member 251 abuts against the infusion tube 40 at the connection position of the drip cup 50 and the liquid switching device 10 and cuts off the connection relation of the infusion tube 40.

Specifically, after the second control module 22 receives the signal sent by the second sensor 24, the buzzer is activated, and the second driving element 252 is also activated at the same time, so that the second driving element 252 drives the cut-off element 251 to extrude the infusion tube 40 at the connection position of the liquid switching device 10 and the drip cup 50, and cut off the connection relationship, and the liquid in the drip cup 50 is used to slow down or even stop flowing into the vein of the patient.

Based on the scheme, the specific implementation steps are as follows:

a plurality of infusion bottles 40 are hung on a support frame 30, different multi-way shunt valves 12 are replaced according to the number of the infusion bottles 40, after the multi-way shunt valve 12 is selected, the bottom of a main channel 121 is connected with a drip cup 50, the other end of the drip cup 50, far away from the main channel 121, is connected with a puncture needle communicated with the vein of a patient through an infusion tube 60, a plurality of branch channels 122 on the multi-way shunt valve 12 are connected with the infusion tube 60 with puncture outfits, the puncture outfits respectively puncture into the corresponding infusion bottles 40 to drain the liquid in the infusion bottles 40 into a liquid switching device 10, the liquid switching device 10 is communicated with a first branch channel 122, namely a No. 1 branch channel 122, at the moment, the liquid in the branch channels 122 can flow into the drip cup 50 along the main channel 121, and the puncture needle connected with the other end of the drip cup 50 is packaged, at the moment, the liquid flows into the tube to wait for medical personnel to attach the indwelling needle to the patient and insert the puncture needle into the indwelling needle;

when the puncture needle is connected to an indwelling needle on a patient, the infusion system formally starts to operate, when the liquid in the first bottle of infusion bottle 60 is drained, the liquid dropping from the main channel 121 into the drip cup 50 is reduced or even not reduced, the first sensor 23 recognizes that no liquid is dropped into the infusion tube 40 at the position, the signal is sent to the second control module 22, the second control module 22 feeds the signal back into the first control module 133 to drive the first driving member 132 to operate, so that the valve core 123 rotates to switch the next branch channel 122 to connect the next bottle of infusion bottle 60 to continuously deliver the liquid, the first sensor 23 recognizes that the infusion tube 40 is dropped by the liquid to stop sending the signal, when the last bottle of infusion bottle 60 is drained, the first control module 133 receives the signal transmitted from the first sensor 23 but does not drive the first driving member 132 to operate, the liquid in the drip cup 50 is continuously reduced until the liquid level drops to the area which can not be identified by the second sensor 24, at this time, the second sensor 24 sends the signal to the second control module 22, the second control module 22 activates the buzzer and simultaneously drives the second driving element 252 to operate, so that the cut-off element 251 continuously extrudes the infusion tube 40 at the connection position of the liquid switching device 10 and the drip cup 50, and cuts off the connection relation of the infusion tube 40, so that the speed of the liquid flowing into the patient from the drip cup 50 is slowed down or even stopped, and the medical staff waits for the ending infusion work before.

Furthermore, a plurality of wheels 70 are arranged at the bottom of the support frame 30, and the wheels 70 adopt a universal wheel structure, so that the patient can conveniently go to a toilet or other places as required in the process of infusion.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, means, and/or combinations thereof, unless the context clearly indicates otherwise.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The liquid switching device (10) is characterized by comprising a first bracket (11), a multi-way diverter valve (12) and a first driving assembly (13), wherein the multi-way diverter valve (12) and the first driving assembly are installed on the first bracket (11);

the multi-way flow dividing valve (12) comprises a main channel (121) and a plurality of branch channels (122) communicated with the main channel (121), a valve core (123) is further arranged in the main channel (121), and the valve core (123) is used for communicating one branch channel (122) with the main channel (121);

the first driving assembly (13) is in driving connection with the valve core (123) to control the valve core (123) to switch the branch channel (122) and the main channel (121) to be communicated.

2. The fluid switching apparatus (10) as claimed in claim 1, wherein the first bracket (11) is provided with a fixing hole (111) and a cover member (112), the main channel (121) penetrates through the fixing hole (111) and is disposed outside, such that the multi-way diverter valve (12) is clamped on the first bracket (11), and the cover member (112) covers the multi-way diverter valve (12) and is fixedly connected with the first bracket (11) for fixing the multi-way diverter valve (12) on the first bracket (11).

3. The fluid switching device (10) as claimed in claim 1, wherein the first driving assembly (13) comprises a first driving member (132) and a first control module (133), the housing (131) is mounted in the housing (131), and the first control module (133) is electrically connected to the first driving member (132) for controlling the first driving member (132) to drive the valve element (123) to switch the different branch channels (122) and the main channel (121) from each other.

4. A liquid switching device (10) according to claim 3, wherein a bayonet (131a) is provided on the housing (131), a snap-in member (113) is provided on the first bracket (11) corresponding to the bayonet (131a), when the housing (131) is mounted on the first bracket (11), the snap-in member (113) is snapped into the bayonet (131a), so that the first driving assembly (13) is fixed on the first bracket (11).

5. A transfusion system comprises a support frame (30), a liquid switching device (10), a transfusion tube (40), a drip cup (50) and a plurality of transfusion bottles (60), wherein the plurality of transfusion bottles (60) and the liquid switching device (10) are all arranged on the support frame (30), the plurality of transfusion bottles (60) are connected with the liquid switching device (10) through the transfusion tube (40), one side of the liquid switching device (10) far away from the infusion bottle (60) is connected with the drip cup (50) through the infusion tube (40), used for draining the liquid in the infusion bottle (60) into the drip cup (50) one by one, it is characterized by also comprising a monitoring device (20) arranged on the support frame (30), the monitoring device (20) is used for monitoring the condition of liquid drainage from the liquid switching device (10) to the drip cup (50) and the condition of the water level in the drip cup (50).

6. An infusion system as claimed in claim 5, wherein the monitoring device (20) comprises a second frame (21) and a second control module (22), a first sensor (23) and a second sensor (24) which are all mounted on the second frame (21), the second control module (22) is electrically connected with the first sensor (23), the second sensor (24) and the liquid switching device (10), the first sensor (23) monitors the infusion tube (40) at the junction of the liquid switching device (10) and the drip cup (50), the second sensor (24) monitors the water level in the drip cup (50), and the second control module (22) is used for capturing the information monitored by the first sensor (23) and the second sensor (24) and feeding the information back to the liquid switching device (10).

7. An infusion system according to claim 6, wherein the monitoring device (20) further comprises a second drive assembly (25), the second drive assembly (25) being mounted on the second frame (21) for intercepting drainage of fluid from the fluid switching device (10) to the drip chamber (50);

the second driving assembly (25) comprises a cutting part (251) and a second driving part (252), the second driving part (252) is in driving connection with the cutting part (251), the second driving part (252) is electrically connected with the second control module (22), and the second control module (22) can control the second driving part (252) to drive the cutting part (251) to operate, so that the cutting part (251) is abutted to an infusion tube (40) at the connection position of the drip cup (50) and the liquid switching device (10), and the connection relation of the infusion tube (40) is cut off.

8. An infusion system as claimed in claim 7, wherein a plurality of wheels (70) are provided on the bottom of the support frame (30).