CN210728340U

CN210728340U - Automatic liquid feeding precision transfusion system

Info

Publication number: CN210728340U
Application number: CN201920767222.4U
Authority: CN
Inventors: 李彦伶
Original assignee: Affiliated Hospital of Southwest Medical University
Current assignee: Affiliated Hospital of Southwest Medical University
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-06-12
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses an automatic liquid feeding precision transfusion device, which belongs to the technical field of medical appliances and comprises a transfusion bracket, wherein a plurality of suspension brackets are fixedly connected at the upper end of the transfusion bracket, the lower ends of the suspension brackets are connected with a transfusion bottle through a suspension rope, the lower end of the transfusion bottle is fixedly communicated with a puncture sleeve and an air inlet pipe, the front end of the transfusion bracket is fixedly connected with a mounting cylinder, the inner end of the mounting cylinder is fixedly connected with a dropping funnel, the upper end of the dropping funnel is chiseled with a plurality of threaded through holes matched with the puncture sleeve, the puncture sleeve is away from one end of the transfusion bottle and is in threaded connection with the threaded through holes, the lower end of the dropping funnel is communicated with a transfusion pipe, the transfusion pipe penetrates through the mounting cylinder and extends to the lower side of the mounting cylinder, a flow rate regulator and a luer connector are sequentially arranged on the transfusion pipe, the automatic, and simultaneously reduces the workload of medical care personnel.

Description

Automatic liquid feeding precision transfusion system

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, relate to automatic liquid feeding precision transfusion system.

Background

The prior liquid medicine filter of a common infusion apparatus used clinically adopts a cellulose filter membrane, can not carry out accurate pore size grading, and when the liquid medicine filter is used for more than a certain amount or is subjected to alkali when meeting acid, fibers fall off to generate a large amount of insoluble particles to cause self pollution. Mainly filters out particles with the diameter of more than 15 mu m in the liquid medicine, and has lower filtering rate to the particles with the diameter of less than 15 mu m. And the filter membrane that precision filtration transfusion system chose for use is the nuclear track membrane, has double-deck filter medium, and the pollutant carrying ability is strong, the filtration pore rule, even, filter fineness is high, can not produce the foreign matter and drop, little to the medicine adsorptivity, has strict classification to the aperture, can select suitable aperture according to clinical needs: 5 μm, 3 μm, 2 μm, 1.2 μm, 0.2. mu.m.

However, when the existing precise infusion apparatus is used for infusion, no matter a single-head infusion apparatus or a double-head infusion apparatus is adopted, or a multi-head infusion apparatus is adopted, after each bottle of liquid medicine is infused, the liquid needs to be manually changed by medical staff, so that the operation is troublesome, and the workload of the medical staff is greatly increased.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an automatic liquid feeding precision transfusion system, it can realize every defeated automatic medicine bottle of changing behind a bottle of liquid medicine, and then realizes automatic liquid feeding for patient's infusion links up uninterrupted, reduces medical personnel's work load simultaneously.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An automatic liquid feeding precision infusion apparatus comprises an infusion support, wherein the upper end of the infusion support is fixedly connected with a plurality of suspension frames, the lower ends of the suspension frames are connected with an infusion bottle through a hanging rope, the lower end of the infusion bottle is fixedly communicated with a puncture sleeve and an air inlet pipe, the front end of the infusion support is fixedly connected with an installation barrel, the inner end of the installation barrel is fixedly connected with a dropping funnel, the upper end of the dropping funnel is provided with a plurality of threaded through holes matched with the puncture sleeve, one end of the puncture sleeve, far away from the infusion bottle, is in threaded connection with the threaded through holes, the lower end of the dropping funnel is communicated with an infusion tube, the infusion tube penetrates through the installation barrel and extends to the lower side of the installation barrel, a flow rate regulator and a luer connector are sequentially installed on the infusion tube, one end of the infusion tube, install level sensor in the drip chamber, drip chamber upper end fixedly connected with micro motor, and micro motor, level sensor all are connected with the controller, the drip chamber inboard is equipped with the closing plate, and micro motor's output run through the drip chamber upper end and with closing plate fixed connection, it has the removal through-hole with screw thread through-hole assorted to open the chisel on the closing plate, can realize the automatic medicine bottle of changing after every defeated a bottle of liquid medicine, and then realize automatic liquid feeding for patient's infusion runs through uninterrupted, reduces medical personnel's work load simultaneously.

Furthermore, a plurality of the thread through holes are three, and the included angle between the adjacent thread through holes is 90 degrees.

Further, both ends equal fixedly connected with direction slider about the closing plate, open on the dropping funnel inside wall chisel have with direction slider assorted annular spout, and sliding connection between direction slider and the annular spout utilizes the cooperation between direction slider and the annular spout, play the guide effect to the closing plate, stability when improving the closing plate rotation for the closing plate can paste tight dropping funnel all the time, makes the difficult gap that appears in the top.

Furthermore, the sealing ring is sleeved at one end, close to the threaded through hole, of the puncture sleeve, and the sealing ring and the threaded through hole are in interference fit, so that the sealing performance of the puncture sleeve when being connected with the threaded through hole is improved, on one hand, the liquid leakage phenomenon is not easy to occur, and on the other hand, external air which is not filtered is not easy to enter the threaded through hole to cause liquid medicine pollution.

Furthermore, the air inlet pipe is far away from one end of the infusion bottle and is fixedly connected with an air filter, the inner end of the dropping funnel is fixedly connected with a nuclear pore membrane, the air filter can filter air entering the air inlet pipe, liquid medicine in the infusion bottle is not easily polluted, the nuclear pore membrane is provided with a double-layer filter medium, the pollutant carrying capacity is strong, the filter pores are regular and uniform, the filter precision is high, foreign matter falling cannot be generated, and the drug adsorption is small.

Further, infusion support front end still fixedly connected with tray, a plurality of boxes of placing of tray upper end fixedly connected with make things convenient for medical personnel to separately place the instrument in placing the box, can take at any time and be difficult for infecting each other.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the scheme can realize automatic medicine bottle replacement after each bottle of liquid medicine is infused, further realize automatic liquid adding, ensure that the infusion of patients is uninterrupted, and simultaneously reduce the workload of medical care personnel.

(2) The equal fixedly connected with direction slider in both ends about the closure plate, the chisel have with direction slider assorted annular spout on the dropping funnel inside wall, and sliding connection between direction slider and the annular spout utilizes the cooperation between direction slider and the annular spout, plays the guide effect to the closure plate, stability when improving the closure plate and rotating for the closure plate can paste tight dropping funnel all the time, makes the difficult gap that appears in the top.

(3) The sealing ring is sleeved at one end, close to the threaded through hole, of the puncture sleeve, the sealing ring is in interference fit with the threaded through hole, the sealing performance when the puncture sleeve is connected with the threaded through hole is improved, on one hand, the liquid leakage phenomenon is not prone to occurring, and on the other hand, external air which is not filtered is not prone to entering the threaded through hole to cause liquid medicine pollution.

(4) The intake pipe is kept away from infusion bottle one end fixedly connected with air cleaner, and the inner fixedly connected with nuclear track membrane of drip chamber, air cleaner can filter the air that gets into in the intake pipe, is difficult for causing the pollution to the liquid medicine in the infusion bottle, and the nuclear track membrane has double-deck filter medium, and the pollutant carrying capacity is strong, the filtration pore rule, even, filter fineness is high, can not produce the foreign matter and drop, little to the medicine adsorptivity.

(5) Infusion support front end still fixedly connected with tray, a plurality of boxes of placing of tray upper end fixedly connected with make things convenient for medical personnel to separately place the instrument in placing the box, can take at any time and be difficult for infecting each other.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the mounting barrel portion of the present invention;

fig. 3 is an external view of the mounting cylinder of the present invention;

FIG. 4 is a schematic structural view of the sealing plate of the present invention in an initial state;

fig. 5 is a schematic structural diagram of a controller portion according to the present invention.

The reference numbers in the figures illustrate:

the device comprises a transfusion support 1, a hanging support 2, a transfusion bottle 3, a puncture cannula 4, an air inlet pipe 5, an installation cylinder 6, a dropping funnel 7, a threaded through hole 8, a sealing plate 9, a movable through hole 10, a micro motor 11, a liquid level sensor 12, a nuclear pore membrane 13, a transfusion pipe 14, a flow rate regulator 15, a tray 16, a luer 17 connector 17 and an intravenous injector 18.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

please refer to fig. 1, an automatic liquid feeding precision infusion apparatus, including an infusion support 1, a plurality of suspension brackets 2 fixedly connected with the upper end of the infusion support 1, play a role in mounting an infusion bottle 3, the lower end of the suspension bracket 2 is connected with the infusion bottle 3 through a hanging rope, the liquid medicine required by a patient is stored, the lower end of the infusion bottle 3 is fixedly communicated with a puncture cannula 4 and an air inlet pipe 5, the puncture cannula 4 plays a role in infusion, the air inlet pipe 5 plays a role in air inlet, the liquid medicine in the infusion bottle 3 smoothly flows down under the action of atmospheric pressure due to mutual cooperation, an installation barrel 6 is fixedly connected with the front end of the infusion support 1, and the functions of.

Referring to fig. 2, a dropping funnel 7 is fixedly connected to an inner end of the mounting tube 6 to temporarily store the liquid medicine, a plurality of threaded through holes 8 matched with the puncture cannula 4 are drilled at an upper end of the dropping funnel 7, and one end of the puncture cannula 4 far away from the infusion bottle 3 is in threaded connection with the threaded through holes 8, so that the puncture cannula 4 is conveniently connected with and separated from the threaded through holes 8, referring to fig. 3, the plurality of threaded through holes 8 are specifically three, and an included angle between adjacent threaded through holes 8 is 90 degrees, preferably three in the present embodiment, a technician can select a proper number according to actual conditions, for example, when the number of the threaded through holes 8 is four, the included angle between adjacent threaded through holes 8 is 72 degrees, a sealing ring is sleeved at one end of the cannula puncture 4 close to the threaded through holes 8, and is in interference fit with the threaded through holes 8, so as to improve the sealing performance when the puncture cannula 4 is connected with the, on the one hand, the liquid leakage phenomenon is not easy to occur, on the other hand, the external air which is not filtered is not easy to enter the threaded through hole 8 to cause the pollution of the liquid medicine, the lower end of the dropping funnel 7 is communicated with an infusion tube 14, and the infusion tube 14 penetrates through the mounting cylinder 6 and extends to the lower side of the mounting cylinder 6.

Referring to fig. 1, a flow rate regulator 15 and a luer connector 17 are sequentially mounted on an infusion tube 14, the flow rate regulator 15 controls the flow rate of the liquid medicine in the infusion tube 14, a tray 16 is a standardized micro non-seepage connector and plays a role of communicating with a pipeline, one end of the infusion tube 14, far away from a dropping funnel 7, is communicated with an intravenous injector 18 for directly injecting the liquid medicine into the vein of a patient, and the right end of a mounting tube 6 is fixedly connected with a controller which is electrically connected with a power supply.

Referring to fig. 2, a liquid level sensor 12 is installed in a dropping funnel 7, the specific model of the liquid level sensor 12 is HCL300, the liquid level of the liquid medicine in the dropping funnel 7 is monitored in real time, a micro motor 11 is fixedly connected to the upper end of the dropping funnel 7 to provide a driving force for rotating a sealing plate 9, the specific model of the micro motor 11 is GM20-20BY, the micro motor 11 and the liquid level sensor 12 are both connected to a controller, the connection mode and the specific circuit are prior art, and no further description is given here, please refer to fig. 5, a liquid level signal is transmitted to the controller through the liquid level sensor 12, when the liquid level is lower than a set value, the controller determines that the liquid is short, the micro motor 11 is controlled to start, the sealing plate 9 is installed inside the dropping funnel 7 to seal the threaded through hole 8, the liquid medicine in the puncture cannula 4 is prevented from flowing into the dropping funnel 7 through the threaded through hole 8, and the output end of the micro motor 11 penetrates through the upper, the closing plate 9 is provided with a moving through hole 10 matched with the threaded through hole 8 for providing the liquid medicine to flow down.

Referring to fig. 2, the left end and the right end of the closing plate 9 are fixedly connected with guide sliding blocks, annular sliding grooves matched with the guide sliding blocks are formed in the inner side wall of the dropping funnel 7 in a chiseled mode, the guide sliding blocks are connected with the annular sliding grooves in a sliding mode, the guide sliding blocks are matched with the annular sliding grooves to play a role in guiding the closing plate 9, the stability of the closing plate 9 during rotation is improved, the closing plate 9 can be attached to the dropping funnel 7 tightly all the time, and gaps are not prone to occurring at the inner top end.

Referring to fig. 1-2, an air filter is fixedly connected to an end of the air inlet pipe 5 away from the infusion bottle 3, a nuclear pore membrane 13 is fixedly connected to an inner end of the dropping funnel 7, the air filter can filter air entering the air inlet pipe 5, and is not prone to polluting liquid medicine in the infusion bottle 3, the nuclear pore membrane 13 has a double-layer filter medium, and has the advantages of strong dirt holding capacity, regular and uniform filter pores, high filter precision, no foreign matter falling, and small medicine adsorption.

Referring to fig. 1, the front end of the infusion support 1 is fixedly connected with a tray 16, and a plurality of placing boxes are fixedly connected to the upper end of the tray 16, so that the medical staff can place tools in the placing boxes separately, can take the tools at any time and are not easy to infect each other.

When in use, medical staff should carry out relevant treatment before and after the use of the utility model according to medical standards, including disinfection and sterilization, the liquid medicine required by patients is suspended on the suspension bracket 2 after the treatment is finished, then the threaded end of the puncture sleeve 4 is screwed into the threaded through hole 8 to finish the installation, then the other end of the puncture sleeve 4 is punctured into the infusion bottle 3 to finish the remaining corresponding preparation work, including exhaust, puncture and the like, the medical staff can realize the treatment according to professional skills, which is not described herein any more, when injecting the liquid medicine, the medical staff starts the micro motor 11 through the controller, the sealing plate 9 in the initial state seals the three threaded through holes 8, please refer to figure 4, the micro motor 11 drives the sealing plate 9 to rotate 90 degrees, the moving through hole 10 is aligned with the threaded through hole 8 and positioned on the same axis after rotating 90 degrees, the liquid medicine in the puncture sleeve 4 communicated with the threaded through hole 8 flows down along the liquid medicine, the liquid medicine enters the dropping funnel 7 and the infusion tube 14 in sequence and is injected into the vein of the patient by the intravenous injector 18, when the injection of the medical fluid in the first bottle is finished, the medical fluid temporarily stored in the dropping funnel 7 is consumed, when the liquid medicine consumption is lower than a certain liquid level, the liquid level sensor 12 sends a liquid shortage signal to the controller, the controller automatically controls the micro motor 11 to start, the micro motor 11 drives the sealing plate 9 to continuously rotate for 90 degrees, at the moment, the movable through hole 10 is aligned with the next threaded through hole 8, and the upper threaded through hole 8 is sealed to prevent air from entering, the liquid medicine in the next bottle of infusion bottle 3 is continuously added into the dropping funnel 7, the uninterrupted injection of the liquid medicine is continued, compared with the prior precision transfusion device, the utility model can realize the automatic replacement of the medicine bottle after each bottle of medicine liquid is transfused, thereby realizing automatic liquid feeding, ensuring that the infusion of the patient is not interrupted continuously, and simultaneously reducing the workload of medical care personnel.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. Automatic accurate transfusion system of liquid feeding, including infusion support (1), a plurality of mounted frames (2) of infusion support (1) upper end fixedly connected with, mounted frame (2) lower extreme is connected with infusion bottle (3), its characterized in that through hanging the rope: the infusion bottle is characterized in that the lower end of an infusion bottle (3) is fixedly communicated with a puncture sleeve (4) and an air inlet pipe (5), the front end of an infusion support (1) is fixedly connected with an installation barrel (6), the inner end of the installation barrel (6) is fixedly connected with a dropping funnel (7), the upper end of the dropping funnel (7) is chiseled with a plurality of thread through holes (8) matched with the puncture sleeve (4), the puncture sleeve (4) is far away from one end of the infusion bottle (3) and is in threaded connection with the thread through holes (8), the lower end of the dropping funnel (7) is communicated with an infusion tube (14), the infusion tube (14) penetrates through the installation barrel (6) and extends to the lower side of the installation barrel (6), a flow rate regulator (15) and a luer connector (17) are sequentially installed on the infusion tube (14), one end of the infusion tube (14) far away from the dropping funnel (7) is communicated with, controller electric connection has the power, install level sensor (12) in drip chamber (7), drip chamber (7) upper end fixedly connected with micro motor (11), and micro motor (11), level sensor (12) all are connected with the controller, drip chamber (7) inboard is equipped with closing plate (9), and the output of micro motor (11) run through drip chamber (7) upper end and with closing plate (9) fixed connection, cut on closing plate (9) have with screw through-hole (8) assorted portable hole (10).

2. The automatic liquid feeding precision infusion set according to claim 1, characterized in that: the thread through holes (8) are three, and the included angle between every two adjacent thread through holes (8) is 90 degrees.

3. The automatic liquid feeding precision infusion set according to claim 1, characterized in that: the left end and the right end of the closing plate (9) are fixedly connected with guide sliding blocks, annular sliding grooves matched with the guide sliding blocks are formed in the inner side wall of the dropping funnel (7), and the guide sliding blocks are connected with the annular sliding grooves in a sliding mode.

4. The automatic liquid feeding precision infusion set according to claim 1, characterized in that: and one end of the puncture sleeve (4) close to the thread through hole (8) is sleeved with a sealing ring, and the sealing ring is in interference fit with the thread through hole (8).

5. The automatic liquid feeding precision infusion set according to claim 1, characterized in that: the air inlet pipe (5) is fixedly connected with an air filter at one end far away from the infusion bottle (3), and the inner end of the dropping funnel (7) is fixedly connected with a nuclear pore membrane (13).

6. The automatic liquid feeding precision infusion set according to claim 1, characterized in that: the infusion support is characterized in that the front end of the infusion support (1) is also fixedly connected with a tray (16), and a plurality of placing boxes are fixedly connected to the upper end of the tray (16).