CN106823042B

CN106823042B - Infusion system

Info

Publication number: CN106823042B
Application number: CN201710143026.5A
Authority: CN
Inventors: 沈建; 易浩明; 陈巍; 徐华东; 胡以君; 傅子霞; 郭纪斌
Original assignee: Changsha Vocational and Technical College
Current assignee: Changsha Vocational and Technical College
Priority date: 2017-03-10
Filing date: 2017-03-10
Publication date: 2023-07-21
Anticipated expiration: 2037-03-10
Also published as: CN106823042A

Abstract

The invention provides an infusion system which comprises a shell, a conversion disc, a driving device and a control device, wherein the shell comprises a base and an upper cover, the base comprises an inner surface, an outer surface, a groove formed by sinking from the inner surface to the outer surface, and a first interface penetrating through the bottom of the groove and the outer surface, a plurality of circumferentially distributed second interfaces are penetrated on the upper cover, orthographic projections of the plurality of second interfaces on the base are positioned in the range of the groove, and the conversion disc comprises a disc body clamped between the inner surface and the upper cover, a rotating shaft arranged on the disc body and penetrating through the shell, and a through hole penetrating through the disc body. According to the infusion system, the motor is controlled by the control device to drive the conversion disc to rotate relative to the shell, so that the through hole is communicated with the second interface and the groove, and therefore automatic switching of infusion bottles can be achieved.

Description

Infusion system

Technical Field

The invention relates to the field of medical equipment, in particular to an infusion system.

Background

Intravenous infusion is an important treatment technology in medical care, and is an indispensable treatment measure particularly under the conditions of first aid, disease treatment and the like because of rapid administration, quick curative effect, small stimulation and very common clinical application. In clinical medicine, although the intravenous transfusion is widely used, the transfusion tool commonly used at present is a traditional Murphy's transfusion device, under the serious condition, a doctor can open a plurality of bottles (or bags) of injection for a patient, and when the injection is input, the patient needs to replace the next bottle of injection after the previous bottle of injection is injected into the vein one by one.

In the prior art, when the process is executed, a medical staff pulls out the infusion tube from the previous infusion bottle manually and inserts the infusion tube into the next infusion bottle, in general, the medical staff monitors each patient, when the medical staff notices that the injection in one infusion bottle is about to run out, the medical staff can go to the patient in advance for preparing for changing the medicine in one time, and when the medical staff is busy and not noticed, the nursing staff or the patient can call the medical staff to change the medicine. However, the mode of changing the medicine not only increases the labor intensity of medical staff, but also greatly increases the error rate, is unfavorable for the rest of patients, and influences the treatment quality.

Accordingly, there is a need for further development of existing infusion tools to avoid the above-described drawbacks.

Disclosure of Invention

In order to solve the technical problems, the invention provides an infusion system capable of realizing foolproof switching of infusion bottles.

The infusion system provided by the invention comprises:

the shell comprises a base and an upper cover, wherein the base and the upper cover are assembled to form a containing space, the base comprises an inner surface, an outer surface which is opposite to the inner surface, a groove which is formed by sinking from the inner surface to the outer surface, and a first interface which penetrates through the bottom of the groove and the outer surface, the first interface is communicated with a lower infusion tube, a scalp needle is connected to the lower infusion tube, a plurality of second interfaces which are circumferentially distributed are penetrated through the upper cover, and the orthographic projections of the plurality of second interfaces on the base are positioned in the range of the groove and are respectively communicated with the upper infusion tube, and the upper infusion tube is used for connecting a medicine bottle or/and a medicine bag;

the conversion disc comprises a disc body clamped between the inner surface and the upper cover, a rotating shaft arranged on the disc body and penetrating through the shell and a through hole penetrating through the disc body, and the rotating shaft and the groove are arranged at intervals;

the driving device comprises a motor, and the motor is connected with the rotating shaft;

and the control device is used for controlling the motor to drive the conversion disc to rotate relative to the shell so that the through hole is communicated with one of the second interfaces and the groove.

In a preferred embodiment of the infusion system provided by the invention, the first interface and the groove form a funnel structure.

In a preferred embodiment of the infusion system provided by the invention, the base further comprises a liquid collecting groove recessed from the inner surface toward the outer surface and surrounding the groove, and the orthographic projection of the periphery of the tray body on the base is positioned in the range of the liquid collecting groove.

In a preferred embodiment of the infusion system provided by the invention, the tray body comprises an upper surface abutting against the upper cover, a lower surface opposite to the upper surface, a concave part concavely formed from the upper surface towards the lower surface, and a sealing ring arranged in the concave part, wherein the concave part and the through hole form a counter bore structure.

In a preferred embodiment of the infusion system provided by the invention, the rotating shaft penetrates through the base or the upper cover.

In a preferred embodiment of the infusion system provided by the invention, the rotating shaft comprises a first rotating shaft penetrating through the base and a second rotating shaft penetrating through the upper cover and connected with the motor, and the driving device further comprises an adjusting knob connected with the first rotating shaft.

In a preferred embodiment of the infusion system provided by the invention, the outer surface is provided with first marking areas corresponding to the second interfaces one by one, the adjusting knob is provided with second marking areas, and the alignment degree of the through holes and the second interfaces is adjusted by adjusting the alignment degree of the first marking areas and the second marking areas.

In a preferred embodiment of the infusion system provided by the invention, a plurality of the second interfaces are arranged at equal intervals.

In a preferred embodiment of the infusion system provided by the invention, the control device comprises a signal transmitter, a controller and a driver which are sequentially connected, and the driver is connected with the motor.

In a preferred embodiment of the infusion system provided by the invention, the signal transmitter is a remote controller or a key or a liquid level detector for detecting the liquid level of the medicine bottle or/and the medicine bag.

Compared with the prior art, the infusion system provided by the invention has the beneficial effects that: the control device controls the driving device to drive the conversion disc to rotate relative to the shell, so that the through hole is communicated with one of the second interfaces and the groove, foolproof switching of hanging bottles can be realized, and the labor intensity and error rate of medical staff can be reduced.

Drawings

For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic view of an infusion system according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the base of the infusion system of FIG. 1;

FIG. 3 is a perspective view of a portion of the structure of the infusion system of FIG. 1;

FIG. 4 is an exploded view of the portion of the structure shown in FIG. 3;

fig. 5 is another angular perspective view of the tray in the partial structure shown in fig. 4.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, a schematic structure of a preferred embodiment of an infusion system according to the present invention is shown. The infusion system 100 comprises a housing 1 having a receiving space, a switching disc 3, a driving device 5 and a control device (not shown). Wherein the shell 1 is used for accommodating the conversion disc 3, and the control device is used for controlling the driving device 5 to drive the conversion disc 3 to rotate relative to the shell 1.

The housing 1 includes a base 11 and an upper cover 13, and the base 11 and the upper cover 13 are assembled to form a containing space.

Referring to fig. 2, 3 and 4 in combination, fig. 2 is a schematic structural view of the base in the infusion system shown in fig. 1, fig. 3 is a perspective view of a part of the structure in the infusion system shown in fig. 1, and fig. 4 is an exploded view of a part of the structure shown in fig. 3. The base 11 includes a bottom wall 111 and a side wall 113 formed by bending and extending from the periphery of the bottom wall 111. Wherein the side wall 113 is fixedly connected with the upper cover 13.

The bottom wall 111 includes an inner surface 1111 opposite to the upper cover 13 and spaced apart from each other, an outer surface 1113 opposite to the inner surface 1111, a recess 1115 formed by recessing the inner surface 1111 toward the outer surface 1113, and a first interface 1117 penetrating the bottom of the recess 1115 and the outer surface 1113. In this embodiment, the first interface 1117 and the recess 1115 preferably form a funnel structure.

The first port 1117 communicates with a lower infusion tube to which a scalp needle is connected. The lower infusion tube and the upper cover 13 are integrally formed, and it is understood that in other embodiments, the lower infusion tube and the upper cover 13 may be in a split structure.

The upper cover 13 is provided with a plurality of second interfaces 131 distributed circumferentially, and the orthographic projection of the second interfaces 131 on the base 11 is located in the range of the groove 1115.

In the embodiment shown in the drawings, the number of the second connectors 131 is three, and the three second connectors 131 are respectively communicated with an upper infusion tube, and a medicine bottle or/and a medicine bag is connected to the upper infusion tube. The number of the medicine bottles or/and the medicine bags is not larger than the number of the upper infusion tubes. The upper infusion tube and the base 11 are integrally formed, and it is understood that in other embodiments, the upper infusion tube and the base 11 may be in a split structure.

The conversion plate 3 includes a plate body 31 interposed between the inner surface 1111 and the upper cover 13, a rotation shaft 33 provided on the plate body 31 and penetrating the housing 1, and a through hole 35 penetrating the plate body 31. Wherein, the rotating shaft 33 is spaced from the groove 1115. In this embodiment, the inner diameter of the through hole 35 is the same as the inner diameter of the second port 131.

Referring to fig. 5 in combination, another perspective view of the disk body in the partial structure shown in fig. 4 is shown. The tray 31 includes an upper surface 311 abutting against the upper cover 13, a lower surface 313 disposed opposite to the upper surface 311, a recess 315 formed by recessing from the upper surface 311 toward the lower surface 313, and a seal 317 provided in the recess 315. Wherein, the recess 315 and the through hole 35 form a counter bore structure. By providing the recess 315 and the seal ring 317 provided in the recess 315, the problem of mixing of the liquid medicine due to leakage between the contact surfaces of the tray 31 and the upper cover 13 can be effectively prevented.

To further prevent leakage of the medical fluid, the bottom wall 111 further includes a sump 1119 recessed from the inner surface 1111 toward the outer surface 1113 and surrounding the recess 1115, and an orthographic projection of the periphery of the tray 31 on the base 11 is located within the range of the sump 1119. In the illustrated embodiment, the sump 1119 is located at the junction of the bottom wall 111 and the side wall 113.

The driving device 5 is connected with the rotating shaft 33 and drives the conversion disc 3 to rotate relative to the housing 1, so that the through hole 35 is communicated with one of the second interfaces 131 and the groove 1115. In this embodiment, the rotating shaft 33 includes a first rotating shaft 331 disposed on the lower surface 313 and penetrating the base 11, and a second rotating shaft 333 disposed on the upper surface 311 and penetrating the upper cover 13. The driving device 5 includes an adjusting knob 51 connected to the first rotating shaft 331 and a motor 53 connected to the second rotating shaft 333 through a coupling. Further preferably, the rotating shaft 33 is integrally formed with the disc 31, and the motor 53 is a stepper motor, and the plurality of second interfaces 131 are disposed at equal intervals.

In order to facilitate adjustment of the alignment between the through hole 35 and the second port 131, the outer surface 1113 is provided with a first marking area corresponding to the second port 131 one by one, and the adjustment knob 51 is provided with a second marking area. The alignment degree of the through hole 35 and the second interface 131 can be adjusted by adjusting the alignment degree of the first marking area and the second marking area through the adjusting knob 51, so that the adjustment of the flow rate of the liquid medicine can be realized.

It will be appreciated that in other embodiments, the shaft may be only the first shaft 331 extending through the base 11 or only the second shaft 333 extending through the upper cover 13, and the driving device may be only the motor 53 connected to the shaft.

The control device comprises a signal sending device, a controller and a driver which are sequentially connected, and the driver is connected with the motor. The signal transmitter is a remote controller or a key or a liquid level detector for detecting the liquid level of the medicine bottle or/and the medicine bag, the controller is a pulse controller, and the driver is a stepping motor driver.

The infusion system 100 is specifically used in the following manner:

when in use, medical staff firstly fixes the shell 1 and the motor 53, then connects medicine bottles or/and medicine bags with the upper infusion tube respectively according to the required sequence, and starts to inject medicine liquid in a first infusion bottle or medicine bag for a patient, when the medicine liquid in the first infusion bottle or medicine bag is injected, the signal transmitting device transmits a medicine changing signal to the controller, the controller controls the driver to drive the motor 53 according to the medicine changing signal, the motor 53 drives the rotating shaft 33 to enable the conversion disc 3 to rotate relative to the shell 1, so that the through hole 35 is communicated with the next second interface 131 and the groove 1115, and at the moment, the through hole 35 is aligned with the next second interface 131. Meanwhile, after the switching of the hanging bottle is completed through the motor 53, the flow of the liquid medicine can be regulated through the regulating knob 51. In this embodiment, when the signal transmitter is a remote controller or a key, the signal transmitter is controlled by a medical staff or a accompanying staff or a patient to transmit a dressing change signal; when the signal transmitter is a liquid level detector, the signal transmitter automatically transmits a dressing change signal.

The infusion system 100 provided by the invention has the beneficial effects that:

the control device controls the driving device 5 to drive the conversion disc 3 to rotate relative to the shell 1, so that the through hole 35 is communicated with one of the second interfaces 131 and the groove 1115, and the automatic switching of the hanging bottle can be realized, thereby reducing the labor intensity and the error rate of medical staff.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.

Claims

1. An infusion system, comprising:

the control device is used for controlling the motor to drive the conversion disc to rotate relative to the shell so that the through hole is communicated with one of the second interfaces and the groove,

the base also comprises a liquid collecting groove which is concavely formed from the inner surface to the outer surface and surrounds the groove, and the orthographic projection of the periphery of the tray body on the base is positioned in the range of the liquid collecting groove;

the first interface and the groove form a funnel structure, the tray body comprises an upper surface, a lower surface, a concave part and a sealing ring, the upper surface is in butt joint with the upper cover, the lower surface is opposite to the upper surface, the concave part is formed by sinking from the upper surface to the lower surface, the sealing ring is arranged on the concave part, and the concave part and the through hole form a counter bore structure.

2. The infusion system of claim 1, wherein the shaft extends through the base or the upper cover.

3. The infusion system of claim 1, wherein the shaft comprises a first shaft extending through the base and a second shaft extending through the upper cover and coupled to the motor, and wherein the drive device further comprises an adjustment knob coupled to the first shaft.

4. The infusion system of claim 3, wherein the outer surface is provided with first marking areas in one-to-one correspondence with the second ports, and the adjustment knob is provided with second marking areas, and the alignment of the through holes and the second ports is adjusted by adjusting the alignment of the first marking areas and the second marking areas.

5. The infusion system of claim 1, wherein a plurality of said second ports are equally spaced.

6. The infusion system of claim 1, wherein the control device comprises a signal transmitter, a controller, and a driver connected in sequence, the driver being connected to the motor.

7. The infusion system of claim 6, wherein the signal transmitter is a remote control or a key or a level detector for detecting the level of the vial and/or the bag.