CN113713203A

CN113713203A - Infusion device

Info

Publication number: CN113713203A
Application number: CN202110720776.0A
Authority: CN
Inventors: 黄爱微; 周青青; 潘莘莘; 胡琼颖; 黄晓丽
Original assignee: First Affiliated Hospital of Wenzhou Medical University
Current assignee: First Affiliated Hospital of Wenzhou Medical University
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-11-30

Abstract

The invention discloses an infusion device, which comprises a plurality of storage mechanisms for holding injection liquid. An adjustment mechanism for closing or communicating branch infusion tubes, the adjustment mechanism includes a base shell, a roller shaft rotatably arranged on the base shell, and each branch infusion tube installed and positioned in the base shell is arranged and distributed along the axial direction of the roller shaft, so The roller shaft is arranged with a plurality of rolling parts corresponding to each branch infusion tube arranged along its axial direction, and the rolling parts respectively include convex parts that can be pressed on the branch infusion tube and closed by rotation, and release the pair of infusion tubes. The recessed part of the branch infusion tube that is compressed and connected. The invention not only has simple structure and convenient operation, but also has better anti-dropping effect.

Description

Infusion device

Technical Field

The present invention relates to an infusion device.

Background

An infusion device is a device for delivering an infusion solution into a human body, and the existing infusion device generally comprises an infusion bottle, an infusion tube, a dropping funnel, a flow rate clamp and other components for containing liquid medicines. The patient often needs to change the medicine in the infusion process, for example when changing the next bottle of injection after the first bottle of injection is input, need to lift off original injection, change new injection, and before changing to the next bottle of injection, because still remain the injection before the transfer line, in order to avoid two kinds of medicines directly to mix, still need to use normal saline to wash the remaining medicine in the transfer line usually, the operation is comparatively troublesome.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the infusion device which can conveniently replace the medicine during infusion.

In order to achieve the above purpose, the present invention provides an infusion device, which comprises a plurality of storage mechanisms for containing injection, wherein the storage mechanisms are respectively connected to a same main infusion tube through branch infusion tubes in a gathering manner, an adjusting mechanism for controlling the closing or communication of the branch infusion tubes is arranged between the branch infusion tubes, the adjusting mechanism comprises a base shell, a roller shaft rotatably arranged on the base shell, the branch infusion tubes arranged and positioned in the base shell are distributed along the axial direction of the roller shaft, the roller shaft is provided with a plurality of rolling parts correspondingly matched with the branch infusion tubes along the axial direction, and the rolling parts respectively comprise convex parts capable of being pressed on the branch infusion tubes through rotation and enabling the branch infusion tubes to be closed, and concave parts capable of releasing the pressing on the branch infusion tubes and enabling the branch infusion tubes to be communicated.

Furthermore, one of the rolling parts is a first rolling part, the rest of the rolling parts are second rolling parts, the convex part and the concave part of each second rolling part are respectively arranged at opposite circumferential positions along the axial center of the roll shaft, the concave parts of all the second rolling parts are respectively arranged at different circumferential positions relative to the axial center of the roll shaft, the concave parts of the second rolling parts which are sequentially arranged along the axial direction of the roll shaft are also sequentially arranged along the circumferential direction of the roll shaft, the concave parts of the first rolling part are at least one and are distributed among the concave parts of the second rolling parts in a staggered manner along the circumferential direction of the axial center of the roll shaft, and the convex parts of the first rolling part are at least one and are distributed at positions corresponding to the concave parts of the second rolling parts along the circumferential direction of the axial center of the roll shaft.

Further, the convex part and the concave part of each rolling part are connected in a smooth transition mode through the cambered surfaces.

Further, one end of the roll shaft is provided with an operation knob for driving the roll shaft to rotate, and the operation knob comprises anti-skid grains.

Furthermore, be provided with positioning mechanism between roller and the base shell, positioning mechanism is including a plurality of circular arc recesses of circumference distribution between the rotation junction of roller and base shell, the elasticity card pearl of locating with circular arc recess cooperation.

Furthermore, the base shell comprises positioning grooves for installing and positioning the branch infusion tubes.

Furthermore, the roll shaft is provided with marks for displaying the on-off state of each branch infusion tube, and the base shell is provided with a visual window for observing the marks.

The invention has the beneficial effects that: the driving roller shaft rotates, the convex parts and the concave parts of the rolling parts are matched with the corresponding branch infusion tubes to be pressed and closed or be released from communication, the on-off state of each branch infusion tube can be conveniently controlled, the type of the injection can be conveniently changed, the on-off state of the physiological saline can be controlled, and the residual medicine in the infusion tubes can be washed. The medical nursing bed is simple in structure and convenient to operate, and can improve the working efficiency of medical staff.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is a diagram illustrating an adjustment mechanism according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of the roller shaft taken along line A-A of FIG. 2 in a first use configuration;

FIG. 4 is a cross-sectional view of the roller shaft taken along line B-B of FIG. 2 in a first use condition;

FIG. 5 is a cross-sectional view of the roller shaft taken along line C-C of FIG. 2 in a first use configuration;

FIG. 6 is a cross-sectional view of the roller shaft taken along line A-A of FIG. 2 in a second use configuration;

FIG. 7 is a cross-sectional view of the roller shaft taken along line B-B of FIG. 2 in a second use condition;

FIG. 8 is a cross-sectional view of the roller shaft taken along line C-C of FIG. 2 in a second use configuration;

FIG. 9 is a cross-sectional view of the roller shaft taken along line A-A of FIG. 2 in a third use condition;

FIG. 10 is a cross-sectional view of the roller shaft taken along line B-B of FIG. 2 in a third use condition;

fig. 11 is a sectional view of the roller shaft taken along the line C-C in fig. 2 in a third use state.

Detailed Description

Embodiments of the infusion device of the invention are shown in fig. 1-11: the storage mechanism 1 can be a bottle or a bag, the storage mechanisms 1 are respectively assembled and connected to a same general infusion tube 3 through branch infusion tubes 2, adjusting mechanisms 4 used for controlling the closing or communication of the branch infusion tubes 2 are arranged between the branch infusion tubes 2, each adjusting mechanism 4 comprises a base shell 41 and a roller shaft 42 rotatably arranged in the base shell 41, each branch infusion tube 2 is penetratingly positioned in the base shell 41, the branch infusion tubes 2 arranged and positioned in the base shell 41 are arranged and distributed along the axial direction of the roller shaft 42 at intervals, the roller shaft 42 is provided with three rolling parts which are correspondingly matched with the branch infusion tubes 2 along the axial direction, the rolling parts rotate along with the roller shafts 42, and each rolling part respectively comprises a convex part 431 which can be pressed on the branch tubes 2 through rotation and enables the closing of the infusion tubes, The concave part 432 communicating with the branch infusion tube 2 by releasing the compression of the branch infusion tube 2 can selectively cause the concave part 432 or the convex part 431 of the rolling part to act on the branch infusion tube 2 in accordance with the rotation of the roller shaft 42, thereby realizing the control of the on-off state of each branch infusion tube 2.

One of the three rolling parts is a first rolling part 43a, the other two rolling parts are second rolling parts 43b, the first rolling part 43a corresponds to a branch infusion tube 2 for conveying normal saline, the second rolling part 43b corresponds to a branch infusion tube 2 for conveying medicine, the convex part 431 and the concave part 432 of each second rolling part 43b are respectively one and are respectively arranged at the circumferential positions opposite to the axial center of the roller shaft 42, namely, when the second rolling part 43b rotates for one circle, the branch infusion tube 2 corresponding to the second rolling part can be switched on and off only once, the concave parts 432 of all the second rolling parts 43b are respectively at different circumferential positions relative to the axial center of the roller shaft 42, so that all the second rolling parts 43b can only enable one branch 2 corresponding to the second rolling part 43b to be communicated with each other while rotating, and the medicines in different branch infusion tubes 2 are prevented from simultaneously entering the total infusion tube 3, the convex parts 431 and the concave parts 432 of the second rolling parts 43b are uniformly distributed along the circumferential direction of the shaft center of the roller shaft 42, the concave parts 432 of the second rolling parts 43b sequentially arranged along the axial direction of the roller shaft 42 are sequentially arranged along the circumferential direction of the shaft center of the roller shaft 42, so that the branch infusion tubes 2 can be switched on and off by rotating the roller shaft 42 at a specific angle, the concave parts 432 of the second rolling parts 43b sequentially arranged along the axial direction of the roller shaft 42 can sequentially act on the corresponding branch infusion tubes 2 when the roller shaft 42 rotates towards a specific direction, and the branch infusion tubes 2 sequentially arranged along the axial direction of the roller shaft 42 can be switched on and off sequentially.

The recessed portions 432 of the first rolling portion 43a are one and are distributed between the recessed portions 432 of the other two second rolling portions 43b in the circumferential direction of the axial center of the roller shaft 42, and in other embodiments, if the recessed portions 432 of the first rolling portion 43a are two or more, the recessed portions 432 are distributed between the recessed portions 432 of the second rolling portions 43b in a circumferentially staggered manner, so that the branch infusion tubes 2 that deliver the saline can be communicated each time the roller shaft 42 rotates to an intermediate position at the time of switching the infusion solution, and the saline can flush the total infusion tube 3, thereby preventing the drug from remaining in the total infusion tube 3.

The number of the convex portions 431 of the first rolling part 43a is one and is distributed at the position corresponding to the concave portion 432 of the second rolling part 43b along the circumferential direction of the shaft center of the roller shaft 42, and the number of the convex portions 431 of the first rolling part 43a is corresponding to the number of the concave portions 432 of the second rolling part 43b and is arranged at the corresponding circumferential position, so that the medicine can be delivered while the physiological saline can be cut off.

The convex part 431 and the concave part 432 of each rolling part are smoothly and excessively connected through a cambered surface, so that the situation of blocking with the branch infusion tube 2 in the rotating process is avoided.

One end of the roller shaft 42 is arranged outside the base shell 41 and is provided with an operation knob 44 for driving the roller shaft to rotate, and the operation knob 44 comprises anti-skid grains.

In order to prevent that roller 42 from rotating by oneself and make its rotation in-process have gear sense of easy discernment, be provided with positioning mechanism between roller 42 and the base casing 41, positioning mechanism is including a plurality of circular arc recesses of circumference distribution between the rotation junction of roller 42 and base casing 41, with the elasticity card pearl of circular arc recess cooperation location, elasticity card pearl can roll along the surface of roller 42, can fix a position rather than the cooperation joint when every circular arc recess through roller 42, but can make it deviate from again when releasing great strength.

The base shell 41 includes positioning grooves 45 for installing and positioning the branch infusion tubes 2.

The roller shaft 42 is provided with a mark for displaying the on-off state of each branch infusion tube 2, the mark is arranged on the outer circumferential surface of the roller shaft 42, the base shell 41 is provided with a visual window for observing the mark, and in other embodiments, the base shell 41 is made of transparent materials, so that the internal working state of the base shell 41 can be observed conveniently.

The present embodiment has three operating states:

the first operating state is shown in fig. 3-5, in which the concave portion 432 of one of the second rolling portions 43b faces downward, the convex portion 431 of the other second rolling portion 43b faces downward, and the convex portion 431 of the first rolling portion 43a faces downward, at this time, the first branch infusion tube 2 counted from left to right is in a communicating state, and the other two branch infusion tubes 2 are in a closed state, that is, a state when the first type of injection liquid is injected.

The second working state is shown in fig. 6-8, and is a state after the roller shaft 42 in the first working state rotates 90 degrees clockwise, the convex parts 431 of the two second rolling parts 43b are both downward, the concave part 432 of the first rolling part 43a is downward, at this time, the third branch transfusion tube 2 counted from left to right is in a communicating state, and the other two branch transfusion tubes 2 are in a closed state, that is, the main transfusion tube 3 is cleaned by using physiological saline after the injection of the first injection is completed.

The third working state is shown in fig. 9-11, and the third working state is a state in which the roller shaft 42 in the second working state continues to rotate 90 degrees clockwise, at this time, the second branch infusion tube 2 counted from left to right is in a connected state, and the other two branch infusion tubes 2 are in a disconnected state, that is, a state when the second injection liquid is injected.

The invention has simple structure and convenient operation, can realize the sequential injection of various medicine injections and the normal saline flushing before the replacement of new injections only by rotating the roller shaft 42, greatly reduces the workload of medical staff and improves the efficiency.

The above embodiment is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. An infusion device is characterized in that: it comprises a plurality of storage mechanisms for holding injections, and these storage mechanisms are respectively converged and connected on the same general infusion pipe through branch infusion pipes, and between these branch infusion pipes are provided with An adjustment mechanism for controlling the closure or communication of each branch infusion tube, the adjustment mechanism includes a base shell, a roller shaft rotatably arranged on the base shell, and each branch infusion tube installed and positioned in the base shell is arranged and distributed along the axial direction of the roller shaft , the roller shaft is arranged along its axial direction with a plurality of rolling parts corresponding to each branch infusion tube, and the rolling parts respectively include convex parts that can be pressed on the branch infusion tube and closed by rotation, The recessed part where the compression of the branch infusion tube is released and connected.

2 . The infusion device according to claim 1 , wherein one of the plurality of rolling parts is a first rolling part, the rest are second rolling parts, and the convex part of each second rolling part and the concave parts are one and are respectively arranged at opposite circumferential positions along the axis of the roller shaft. The concave parts of all the second rolling parts are in different circumferential positions relative to the axis of the roller shaft, and these are located along the axis of the roller shaft. The concave parts of the second rolling part arranged in sequence in the axial direction of the roller shaft are also sequentially arranged in the circumferential direction of the roller shaft, and the concave parts of the first rolling part are at least one and are distributed staggered along the circumferential direction of the axis of the roller shaft. At positions between the concave parts of the second rolling parts, at least one convex part of the first rolling part is distributed at positions corresponding to the concave parts of the second rolling part along the circumferential direction of the axis of the roller shaft .

3 . The infusion device according to claim 1 , wherein the convex part and the concave part of each rolling part are smoothly connected by an arc surface. 4 .

4 . The infusion device according to claim 1 , wherein one end of the roller shaft is provided with an operation knob for driving it to rotate, and the operation knob includes a non-slip texture. 5 .

5 . The infusion device according to claim 1 , wherein a positioning mechanism is provided between the roller shaft and the base shell, and the positioning mechanism comprises a circumferentially distributed position at the rotational connection between the roller shaft and the base shell. 6 . There are a plurality of arc-shaped grooves between them, and elastic clamping balls that cooperate with the arc-shaped grooves to locate.

6 . The infusion device according to claim 1 , wherein the base shell includes a positioning groove for installation and positioning of each branch infusion tube. 7 .

7 . The infusion device according to claim 1 , wherein the roller shaft is provided with a mark for displaying the on-off state of each branch infusion tube, and the base shell is provided with a visual indicator for observing the mark. 8 . window.