CN111939366A - Multichannel infusion catheter system, infusion device and infusion system - Google Patents
Multichannel infusion catheter system, infusion device and infusion system Download PDFInfo
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- CN111939366A CN111939366A CN201910415341.8A CN201910415341A CN111939366A CN 111939366 A CN111939366 A CN 111939366A CN 201910415341 A CN201910415341 A CN 201910415341A CN 111939366 A CN111939366 A CN 111939366A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1413—Modular systems comprising interconnecting elements
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Abstract
The invention relates to the field of medical appliances, in particular to a multichannel infusion catheter system, an infusion device and an infusion system, wherein the multichannel infusion catheter system comprises: the infusion device comprises an infusion pipeline, a first valve and a second valve, wherein the infusion pipeline is used for conveying a medicine to be infused; the waste liquid collecting device is connected to the liquid conveying pipeline through a waste liquid pipeline and is used for collecting waste liquid discharged from the liquid conveying pipeline; and the waste liquid pipeline is provided with a pressure valve, and when the pressure in the liquid conveying pipeline is greater than the threshold value of the pressure valve, the pressure valve is opened, so that the liquid in the liquid conveying pipeline enters the waste liquid collecting device through the waste liquid pipeline. According to the invention, the waste liquid collecting device and the waste liquid pipeline are arranged, and the pressure valve is arranged on the waste liquid pipeline, so that the air in the pipeline is emptied, the liquid is prevented from being spilled, the waste liquid can be effectively collected, and the extra cleaning work is reduced.
Description
Technical Field
The invention relates to the field of medical appliances, in particular to a multi-way infusion catheter system, an infusion device and an infusion system.
Background
With the continuous development of the intravenous infusion technology, the infusion catheter is also developing towards the direction of meeting the demand of the times, the demand of people on the infusion catheter is higher and higher, and the various demands of simple operation, safety, high puncture rate success rate, small wound to patients and the like are all tests for the infusion catheter.
In order to meet the requirements, various large infusion catheters are available, but in the existing infusion catheters, liquid is often discharged from the air in the catheter before infusion, extra cleaning is needed, liquid backflow and other phenomena can occur in some catheters, the catheters are polluted, and possible waste liquid in the catheters cannot be collected and treated in a centralized manner, so that the cleaning cost is increased.
Therefore, the existing infusion catheter has the technical problems that liquid discharged when gas is discharged needs to be additionally cleaned, waste liquid cannot be collected and the like, and the improvement is urgently needed.
Disclosure of Invention
In view of the above, it is desirable to provide a multi-way infusion catheter system, an infusion device and an infusion system.
In one embodiment, the present invention provides a multiple-access infusion catheter system, comprising:
the infusion device comprises an infusion pipeline, a first valve and a second valve, wherein the infusion pipeline is used for conveying a medicine to be infused;
the waste liquid collecting device is connected to the liquid conveying pipeline through a waste liquid pipeline and is used for collecting waste liquid discharged from the liquid conveying pipeline; and
the waste liquid pipeline is provided with a pressure valve, and when the pressure in the infusion pipeline is greater than the threshold value of the pressure valve, the pressure valve is opened, so that the liquid in the infusion pipeline enters the waste liquid collecting device through the waste liquid pipeline.
In one embodiment, the present invention provides an infusion device comprising:
a drug storage device for storing a drug to be infused; and
a drug delivery device comprising a multichannel infusion catheter system according to any one of claims 1 to 8 for delivering the drug to be delivered.
In one embodiment, the present invention also provides a fluid delivery system comprising:
the human-computer interaction module is used for receiving infusion information input by a user and sending the infusion information to the infusion control module;
the infusion control module is used for receiving the infusion information and controlling the infusion process according to the infusion information; and
an infusion device according to claim 9 for delivering a drug to a belt.
According to the multichannel infusion catheter system, the infusion device and the infusion system in the embodiment of the invention, the infusion pipeline is connected with the waste liquid collecting device through the waste liquid pipeline, the pressure valve is arranged on the waste liquid pipeline, when gas in the infusion pipeline needs to be discharged, the gas and liquid discharged along with the gas can be directly discharged into the waste liquid collecting device through the waste liquid pipeline through the control of the pressure valve, extra waste liquid cleaning is not needed, the workload of workers is reduced, when the waste liquid needs to be discharged, the waste liquid can be directly discharged into the waste liquid collecting device, and the multichannel infusion catheter system, the infusion device and the infusion system are convenient and rapid.
Drawings
FIG. 1 is a schematic diagram of a multi-channel infusion catheter system in accordance with one embodiment;
FIG. 2 is a schematic diagram of a first conduit provided in one embodiment;
fig. 3(a) is a schematic view of the overall structure of a pressure valve provided in one embodiment;
FIG. 3(b) is a sectional view of a pressure valve provided in an embodiment when the pressure valve is open;
FIG. 3(c) is a cross-sectional view of a pressure valve provided in one embodiment as closed;
FIG. 4 is a schematic view of an infusion device provided in one embodiment;
fig. 5 is a configuration of an infusion system provided in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another. For example, a first xx unit may be referred to as a second xx unit, and similarly, a second xx unit may be referred to as a first xx unit, without departing from the scope of the present application.
FIG. 1 is a schematic diagram of a multi-channel infusion catheter system in one embodiment, as described in detail below.
In an embodiment of the invention, the multichannel infusion catheter system comprises:
the infusion device comprises an infusion pipeline 1, wherein the infusion pipeline is used for conveying drugs for infusion, and one end of the infusion pipeline is provided with a first valve.
As an embodiment of the invention, the infusion pipeline 1 is used for delivering the medicine to be infused to the body of a patient, generally adopts environment-friendly materials which are harmless and non-irritant to the human body, is made into a transparent pipeline, is convenient for medical staff to observe the medicine in the pipeline, and generally adopts a PVC pipe; as an embodiment of the invention, the first valve 4 is generally arranged at one end of the infusion pipeline 1, the first valve is a manual regulating valve, and can also be an automatic control valve, the first valve 4 extrudes the infusion pipeline 1 to change the pipe diameter of the infusion pipeline 1, so that the flow rate of the medicine in the infusion pipeline is controlled, and the first valve 4 is generally arranged at one end of the infusion pipeline 1 close to a patient, so that the regulation of the patient and medical care personnel is facilitated.
The infusion pipeline provided by the embodiment of the invention is used for conveying the medicine, and the valve is arranged at one end of the infusion pipeline, so that the flow rate of the medicine in the infusion pipeline can be adjusted, and the injection speed of the medicine can be conveniently controlled by patients and medical staff.
A waste liquid collecting device 2 connected to the liquid conveying pipeline through a waste liquid pipeline for collecting waste liquid discharged from the liquid conveying pipeline.
As an embodiment of the present invention, the waste liquid collecting device 2 is a sealing structure, generally adopts a sealing bag, and can also adopt a sealing box, a sealing can, etc., and the waste liquid collecting device 2 is connected to the infusion pipeline 1 through the waste liquid pipeline 3, wherein the waste liquid collecting device 2 and the waste liquid pipeline 3 can be an integral structure, and can also be a detachable connecting structure, wherein the connecting structure can be in threaded connection, and can also be in clamping connection; as another embodiment of the present invention, the waste liquid pipe 3 may be integrated with the infusion pipe 1. As another embodiment of the present invention, a three-way joint 5 is provided on the infusion tube 1, the first interface and the second interface of the three-way joint are used for communicating the infusion tube 1, and the third interface is connected to the waste liquid collecting device 2 through the waste liquid tube 3, wherein all the connections can be threaded or clamped.
According to the embodiment of the invention, the waste liquid collecting device is arranged, so that the liquid discharged along with the gas in the emptying pipeline can be effectively collected without additional cleaning, the waste medicine which is not infused completely can be directly collected, and the convenience and the rapidness are realized.
The waste liquid pipeline 3 is provided with a pressure valve, and when the pressure in the infusion pipeline is greater than the threshold value of the pressure valve, the pressure valve is opened, so that the liquid in the infusion pipeline enters the waste liquid collecting device through the waste liquid pipeline.
As an embodiment of the present invention, the waste liquid pipe 3 may be made of the same material as the infusion pipe 1, may also be made of other cheaper materials, or may be made of reusable materials, the waste liquid pipe 3 may be an integral structure with the infusion pipe 1 and/or the waste liquid collecting device 2, or may be a detachable structure, and the waste liquid in the infusion pipe 1 may enter the waste liquid collecting device 2 through the waste liquid pipe 3; still be provided with pressure valve 6 on useless waste liquid pipeline 3, pressure valve 6 direct mount can adjust waste liquid pipeline's the on-state through the pressure valve on waste liquid pipeline 3.
As an embodiment of the invention, when the air in the infusion pipeline 1 needs to be emptied, the first valve 4 is closed, and the medicine is allowed to enter the infusion pipeline 1, at this time, because the first valve 4 is in a closed state, the liquid cannot be discharged from the infusion pipeline 1, the pressure in the infusion pipeline 1 will gradually increase, when the pressure is increased to the bearing limit of the pressure valve 6, the pressure valve 6 will be opened, and at this time, the gas in the conduit and the liquid discharged along with the gas will enter the waste liquid collecting device through the waste liquid pipeline together, so that no liquid flows out.
According to the embodiment of the invention, the liquid conveying pipeline is connected with the waste liquid collecting device through the waste liquid pipeline, and the pressure valve is arranged on the waste liquid pipeline, so that when gas in the liquid conveying pipeline needs to be discharged, the gas and liquid discharged along with the gas can be directly discharged into the waste liquid collecting device through the waste liquid pipeline under the control of the pressure valve, no extra waste liquid cleaning is needed, the workload of workers is reduced, and when the waste liquid needs to be discharged, the waste liquid can also be directly discharged into the waste liquid collecting device, so that the liquid conveying pipeline is convenient and rapid.
Fig. 2 shows a schematic structural view of a first duct provided in an embodiment of the present invention, which is described in detail below.
In the multi-channel infusion catheter system provided by the embodiment of the invention, the system further comprises:
and one end of the first catheter 7 is connected with the first valve 4 through a first luer connector 8, the other end of the first catheter is connected with an infusion needle 9, and one-way check valves 10 are arranged at one ends of the first catheter close to the first luer connector.
In the embodiment of the invention, the first catheter 7 is an infusion tube connected with a patient, the adopted material is the same as that of the infusion catheter 1, the first catheter is connected with the first valve 4 through a luer connector 8 7, the infusion needle head 9 at the other end is used for realizing venous infusion by pricking the infusion needle head 9 into the vein of the patient, and the infusion needle head 9 can also be a connector directly inserted into a detained needle in the body of the patient; a first one-way check valve 10 is arranged at one end of the first catheter 7 close to the luer 8, is arranged in the first catheter and can control the medicine to flow only in one direction and prevent the medicine from flowing backwards.
According to the embodiment of the invention, the first conduit of the society is provided with the one-way check valve, so that the backflow of the medicine can be effectively prevented, and the medicine is prevented from being polluted.
In the multi-channel infusion catheter system provided by the embodiment of the invention, the system further comprises:
the drug mixer 11 comprises a liquid output interface and at least two liquid input interfaces, and the drug to be infused is input into the drug mixer through the liquid input interfaces for mixing; the liquid output interface is connected with the infusion pipeline and is used for outputting the mixed medicine to be infused; and the liquid input interface of the medicine mixer is provided with a one-way check valve.
In one embodiment of the present invention, the medicine mixer 11 is a multi-port interface with a space for receiving medicine, wherein one interface is used for connecting the infusion tube 1, and the other interfaces are used for connecting the medicine tube for mixing the medicine, and then the mixed medicine is infused to the patient through the infusion tube. As an embodiment of the invention, the outlet of the infusion port of the medicine mixer is provided with a one-way check valve for preventing the medicine mixed in the medicine mixer from flowing back and polluting the medicine source.
The embodiment of the invention can mix various medicines by arranging the medicine mixer, thereby realizing the injection of various medicines to a patient and having convenient operation.
In the multi-channel infusion catheter system provided by the embodiment of the invention, the catheter of the liquid input interface is provided with a peristaltic pump, and the peristaltic pump is used for increasing the pressure of the medicine to be infused on the liquid output interface.
As an embodiment of the invention, a peristaltic pump is arranged at the liquid input interface of the medicine mixer, the pressure of the medicine on the liquid input interface is enhanced through the extrusion effect of the peristaltic pump on the pipeline, and the flow speed of the medicine can be adjusted through adjusting the extrusion frequency of the peristaltic pump.
According to the embodiment of the invention, the peristaltic pump is arranged at the interface of the medicine mixer, so that the flow rate of the medicine can be effectively regulated, the pressure of the medicine on the infusion pipeline is increased, and the infusion rate is better controlled.
The embodiment of the invention provides a saline water input pipe, which further comprises:
a saline input pipe 15, wherein one end of the saline input pipe 15 is provided with a saline sheath 16, the other end of the saline input pipe is provided with a second luer 17, and the saline input pipe 15 is connected with a second conduit 18 through the second luer 17; the other end of the second conduit 18 is connected to the liquid input interface of the medication mixer.
In one embodiment of the present invention, the saline input tube 15 and the infusion tube 1 are made of the same material, the saline sheath can be made of a harder material and is used for being inserted into a vial, and a second luer is provided at the other end of the saline input tube 15 and is connected to a drug mixing device through a second conduit, wherein the peristaltic pump in the previous embodiment can be installed on the second conduit.
According to the embodiment of the invention, the saline is input into the mixer through the saline input pipe and the second conduit, so that the operation is convenient and fast.
In an embodiment of the present invention, the multichannel infusion catheter system further includes:
and one end of the third conduit 13 is connected with the liquid input interface of the medicine mixer, and the other end of the third conduit 13 is provided with a medicine input needle 14 which is used for inserting a medicine bottle and conveying medicine.
As an embodiment of the present invention, the third conduit is used for connecting the medicine storage bottle and the medicine mixer, and conveying the medicine in the medicine storage bottle to the medicine mixer for mixing; one end of the third conduit is directly connected to the drug mixer and the other end is provided with a drug infusion needle 14 which is connected to the third conduit via a needle hub 12 to prevent the needle from fully entering the drug storage vial.
According to the embodiment of the invention, the third catheter is arranged to convey the medicines to the medicine mixer for mixing, so that the medicines and saline water are mixed conveniently and quickly.
Fig. 3(a) -3 (c) show a structural schematic diagram of a pressure valve provided in an embodiment of the present invention, fig. 3(a) is an overall structural schematic diagram of the pressure valve, fig. 3(b) is a sectional view when the pressure valve is opened, and fig. 3(c) is a sectional view when the pressure valve is closed, which is described in detail below.
In a multi-channel infusion catheter system provided in an embodiment of the present invention, the pressure valve includes:
the valve seat 19 is provided with a first clamping groove for clamping the waste liquid pipeline; and
the valve body 20 is provided with a second slot matched with the first slot, and the waste liquid pipeline is clamped between the first slot and the second slot; the valve body and the valve seat are movably connected, and when the valve body and the valve seat move in opposite directions, the first clamping groove and the second clamping groove can compress the waste liquid pipeline.
As an embodiment of the invention, the valve body 20 and the valve seat 19, there is the second neck on the valve body 20, the conduit can't enter the notch of the valve body 20 when the valve body 20 is bounced; the notch in the valve body 20 is pressed down to move downwards to be parallel to the notch of the first clamping groove of the valve seat 19, and the guide pipe smoothly enters the valve body 20; the valve body 20 is set up and the notch in the valve body 20 is pulled up to form a certain height difference with the notch in the valve seat 19, resulting in deformation of the conduit, thereby hindering the flow of liquid and increasing a certain pressure. As another embodiment of the present invention, the control of the pressure valve may be an electrical control, and the movement of the motor drives the pressure valve to move, so that the conduit is deformed, thereby blocking the liquid flow and increasing a certain pressure.
In the embodiment of the invention, the pressure valve is arranged, so that the guide pipe is deformed, thereby blocking the liquid flow and increasing the pressure of the liquid in the guide pipe.
In an embodiment of the present invention, there is provided a multichannel infusion catheter system, wherein the pressure valve further includes: the valve seat is provided with a conducting hole, the valve body is provided with a movable column, the movable column penetrates through the conducting hole, and when the movable column moves in the conducting hole, the valve body can be driven to move, so that the first clamping groove and the second clamping groove are opened and closed.
According to the embodiment of the invention, the liquid conveying pipeline is connected with the waste liquid collecting device through the waste liquid pipeline, and the pressure valve is arranged on the waste liquid pipeline, so that when gas in the liquid conveying pipeline needs to be discharged, the gas and liquid discharged along with the gas can be directly discharged into the waste liquid collecting device through the waste liquid pipeline under the control of the pressure valve, the waste liquid does not need to be additionally cleaned, the workload of workers is reduced, and when the waste liquid needs to be discharged, the waste liquid can be directly discharged into the waste liquid collecting device, so that the operation is convenient and fast; through setting up the medicine blender, can realize the injection after multiple medicine mixes, convenient operation through setting up the peristaltic pump, can adjust the pressure and the circulation speed of medicine in infusion tube, makes things convenient for accurate regulation infusion speed and the infusion pressure of medical personnel, through setting up one-way check valve at each kneck, prevents the medicine refluence, safety ring more.
Fig. 4 shows a schematic structural view of an infusion device provided in an embodiment of the invention, which is described in detail below.
An embodiment of the present invention further provides an infusion device, including:
a drug storage device 401 for storing a drug to be infused.
As an embodiment of the present invention, the drug storage device 401 may be a drug bottle, or other device for storing drugs, and generally adopts a sealing structure, which can ensure long-term storage of drugs; or may be a temporary drug storage device, to facilitate loading of the drug to be injected into the drug storage device 401,
a drug delivery device 402 comprising a multichannel infusion catheter system as provided in any of the embodiments described above for delivering the drug to be delivered.
As an embodiment of the present invention, a drug delivery device 402 is connected to the drug storage device 401, drug is output from the drug storage device 401, and a patient is infused by the drug delivery device 402, wherein the drug delivery device comprises an infusion tube for conveying the drug to be infused, and one end of the infusion tube is provided with a first valve; the waste liquid collecting device is connected to the liquid conveying pipeline through a waste liquid pipeline and is used for collecting waste liquid discharged from the liquid conveying pipeline; and the waste liquid pipeline is provided with a pressure valve, and when the pressure in the liquid conveying pipeline is greater than the threshold value of the pressure valve, the pressure valve is opened, so that the liquid in the liquid conveying pipeline enters the waste liquid collecting device through the waste liquid pipeline.
According to the embodiment of the invention, the liquid conveying pipeline is connected with the waste liquid collecting device through the waste liquid pipeline, and the pressure valve is arranged on the waste liquid pipeline, so that when gas in the liquid conveying pipeline needs to be discharged, the gas and liquid discharged along with the gas can be directly discharged into the waste liquid collecting device through the waste liquid pipeline under the control of the pressure valve, the waste liquid does not need to be additionally cleaned, the workload of workers is reduced, and when the waste liquid needs to be discharged, the waste liquid can be directly discharged into the waste liquid collecting device, so that the operation is convenient and fast; through setting up the medicine blender, can realize the injection after multiple medicine mixes, convenient operation through setting up the peristaltic pump, can adjust the pressure and the circulation speed of medicine in infusion tube, makes things convenient for accurate regulation infusion speed and the infusion pressure of medical personnel, through setting up one-way check valve at each kneck, prevents the medicine refluence, safety ring more.
Fig. 5 illustrates a fluid delivery system provided by an embodiment of the present invention, as described in detail below.
The embodiment of the invention also provides a transfusion system, which comprises:
and the human-computer interaction module 501 is configured to receive infusion information input by a user, and send the infusion information to the infusion control module.
As an embodiment of the invention, the human-computer interaction module can interact with a user in a voice interaction mode or a keyboard, a display screen and the like, the user can input infusion information into the human-computer interaction module and input the infusion information into the infusion control module through the human-computer interaction module, wherein the infusion information can comprise the type, dosage, infusion time, infusion speed and the like of infusion medicines.
The infusion control module 502 is configured to receive the infusion information and control an infusion process according to the infusion information.
As an embodiment of the present invention, the infusion control module 502 may be a computer, an independent physical server or a terminal, or a server cluster formed by a plurality of physical servers, and may be a cloud server providing basic cloud computing services such as a cloud server, a cloud database, a cloud storage, and a CDN (Content Delivery Network). The infusion information input by the human-computer interaction module is analyzed, and the infusion device is controlled to carry out infusion.
The infusion device 503 is the infusion device according to any one of the above embodiments, and is used for conveying the medicine to be infused.
As one embodiment of the present invention, an infusion device includes a medication storage device for storing medication to be infused. As an embodiment of the present invention, the drug storage device may be a drug bottle, or other device for storing drugs, and generally adopts a sealing structure, which can ensure long-term storage of drugs; or a temporary drug storage device to facilitate loading of the drug to be injected into the drug storage device, a drug delivery device comprising a multi-channel infusion catheter system as provided in any of the above embodiments for delivering the drug to be delivered. As an embodiment of the present invention, a drug delivery device is connected to the drug storage device, drug is output from the drug storage device, and infusion is performed on a patient through the drug delivery device, wherein the drug delivery device comprises an infusion tube, the infusion tube is used for conveying the drug for infusion, and one end of the infusion tube is provided with a first valve; the waste liquid collecting device is connected to the liquid conveying pipeline through a waste liquid pipeline and is used for collecting waste liquid discharged from the liquid conveying pipeline; and the waste liquid pipeline is provided with a pressure valve, and when the pressure in the liquid conveying pipeline is greater than the threshold value of the pressure valve, the pressure valve is opened, so that the liquid in the liquid conveying pipeline enters the waste liquid collecting device through the waste liquid pipeline.
According to the embodiment of the invention, the liquid conveying pipeline is connected with the waste liquid collecting device through the waste liquid pipeline, and the pressure valve is arranged on the waste liquid pipeline, so that when gas in the liquid conveying pipeline needs to be discharged, the gas and liquid discharged along with the gas can be directly discharged into the waste liquid collecting device through the waste liquid pipeline under the control of the pressure valve, the waste liquid does not need to be additionally cleaned, the workload of workers is reduced, and when the waste liquid needs to be discharged, the waste liquid can be directly discharged into the waste liquid collecting device, so that the operation is convenient and fast; through setting up the medicine blender, can realize the injection after multiple medicine mixes, convenient operation through setting up the peristaltic pump, can adjust the pressure and the circulation speed of medicine in infusion tube, makes things convenient for accurate regulation infusion speed and the infusion pressure of medical personnel, through setting up one-way check valve at each kneck, prevents the medicine refluence, safety ring more.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A multi-channel infusion catheter system, the system comprising:
the infusion device comprises an infusion pipeline, a first valve and a second valve, wherein the infusion pipeline is used for conveying a medicine to be infused;
the waste liquid collecting device is connected to the liquid conveying pipeline through a waste liquid pipeline and is used for collecting waste liquid discharged from the liquid conveying pipeline; and
the waste liquid pipeline is provided with a pressure valve, and when the pressure in the infusion pipeline is greater than the threshold value of the pressure valve, the pressure valve is opened, so that the liquid in the infusion pipeline enters the waste liquid collecting device through the waste liquid pipeline.
2. The multichannel infusion catheter system of claim 1, further comprising:
one end of the first conduit is connected with the first valve through a first luer connector, the other end of the first conduit is connected with an infusion needle, and one end of the first conduit, which is close to the first luer connector, is provided with a one-way check valve.
3. The multichannel infusion catheter system of claim 1, further comprising:
the drug mixer comprises a liquid output interface and at least two liquid input interfaces, and drugs to be infused are input into the drug mixer through the liquid input interfaces to be mixed; the liquid output interface is connected with the infusion pipeline and is used for outputting the mixed medicine to be infused; and the liquid input interface of the medicine mixer is provided with a one-way check valve.
4. A multichannel infusion catheter system according to claim 3, characterised in that a peristaltic pump is arranged on the catheter of the liquid input port for increasing the pressure of the drug to be infused on the liquid output port.
5. The multichannel infusion catheter system of claim 3, further comprising:
the saline input pipe is provided with a saline sheath at one end and a second luer connector at the other end and is connected with a second conduit through the second luer connector; and
the other end of the second conduit is connected with the liquid input interface of the medicine mixer.
6. The multichannel infusion catheter system of claim 3, further comprising:
and one end of the third conduit is connected with the liquid input interface of the medicine mixer, and the other end of the third conduit is provided with a medicine input needle which is used for being inserted into a medicine bottle to convey medicine.
7. The multichannel infusion catheter system of claim 1, wherein the pressure valve comprises:
the valve seat is provided with a first clamping groove for clamping the waste liquid pipeline; and
the waste liquid pipeline is clamped between the first clamping groove and the second clamping groove; the valve body and the valve seat are movably connected, and when the valve body and the valve seat move in opposite directions, the first clamping groove and the second clamping groove can compress the waste liquid pipeline.
8. The multichannel infusion catheter system as claimed in claim 7, wherein a through hole is formed in the valve seat, a movable post is formed in the valve body, the movable post is inserted into the through hole, and when the movable post moves in the through hole, the valve body can be driven to move, so that the first clamping groove and the second clamping groove can be opened and closed.
9. An infusion device, characterized in that the device comprises:
a drug storage device for storing a drug to be infused; and
a drug delivery device comprising a multichannel infusion catheter system according to any one of claims 1 to 8 for delivering the drug to be delivered.
10. An infusion system, comprising:
the human-computer interaction module is used for receiving infusion information input by a user and sending the infusion information to the infusion control module;
the infusion control module is used for receiving the infusion information and controlling the infusion process according to the infusion information; and
an infusion device according to claim 9 for delivering a drug to a belt.
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| CN208552698U (en) * | 2017-10-31 | 2019-03-01 | 华中科技大学同济医学院附属协和医院 | A kind of intelligent infusion device |
| CN109331292A (en) * | 2018-11-21 | 2019-02-15 | 中国人民解放军陆军军医大学第二附属医院 | Movable infusion apparatus |
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