CN116328090B - Automatic liquid-changing type transfusion device - Google Patents

Automatic liquid-changing type transfusion device Download PDF

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Publication number
CN116328090B
CN116328090B CN202310633582.6A CN202310633582A CN116328090B CN 116328090 B CN116328090 B CN 116328090B CN 202310633582 A CN202310633582 A CN 202310633582A CN 116328090 B CN116328090 B CN 116328090B
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CN
China
Prior art keywords
groove
infusion
clamping structure
structure body
motor
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Active
Application number
CN202310633582.6A
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Chinese (zh)
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CN116328090A (en
Inventor
王璇
郭竞心
王颖
赵艳超
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Beijing Youan Hospital
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Beijing Youan Hospital
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Priority to CN202310633582.6A priority Critical patent/CN116328090B/en
Publication of CN116328090A publication Critical patent/CN116328090A/en
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Classifications

    • 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
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804—Flow controllers
    • A61M5/16827—Flow controllers controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths
    • 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
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • A61M5/16845—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by weight
    • 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
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16877—Adjusting flow; Devices for setting a flow rate
    • A61M5/16881—Regulating valves

Abstract

The invention relates to an automatic liquid-changing type infusion device, which comprises an infusion set, a liquid-changing device and a liquid-changing device, wherein the infusion set is used for infusing liquid to a patient, a first pipeline and a second pipeline are arranged at the upper part of the infusion set, and the two pipelines can be respectively connected with different infusion bottles; the gravity detection device is used for measuring the mass of the liquid in the infusion bottle in real time; the infusion clamping structure is used for controlling the opening and closing of two pipelines at the upper part of the infusion apparatus, so that the two pipelines are in an opening and closing state; the infusion bottle is hung at the lower part of the gravity detection device, and two pipelines at the upper part of the infusion apparatus are respectively arranged in the infusion clamping structure; when the first pipeline is opened and the second pipeline is clamped when the first infusion bottle is used for infusing liquid, the first pipeline is clamped by the infusion clamping structure after the gravity detection of the infusion of the liquid in the first infusion bottle is finished, and the second pipeline is opened simultaneously, so that the PDA and the nurse station can give an alarm when the infusion of two bags of liquid is finished.

Description

Automatic liquid-changing type transfusion device
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to an automatic liquid-changing type transfusion device.
Background
When in transfusion, a patient needs to transfusion two bottles of medicaments, usually the transfusion bottle is hung on a transfusion stand with a certain height, and the liquid medicine is transported into the body of the patient by utilizing the gravitational potential energy of the liquid. In the existing transfusion process, the family members and medical staff of patients are often required to monitor beside, and the infusion is often not found in time after the completion of the infusion, so that the infusion is stopped, air enters a transfusion pipeline or blood flows backwards, and even more serious clinical safety problems are caused. In addition, after timely finding, nurses are required to be mobilized to replace liquid, so that not only is the workload high, but also rest of other patients is affected, waste of staff in medical institutions is caused, and waiting of the patients is also caused.
The invention aims at the problems and provides an automatic liquid-changing type transfusion device.
Disclosure of Invention
In order to overcome the problems in the background art, the invention adopts the following technical scheme:
an automatic liquid change type infusion device, comprising:
the infusion device is used for infusing the patient, a first pipeline and a second pipeline are arranged at the upper part of the infusion device, and the two pipelines can be respectively connected with different infusion bottles;
the gravity detection device is used for measuring the mass of the liquid in the infusion bottle in real time;
the infusion clamping structure is used for controlling the opening and closing of two pipelines at the upper part of the infusion apparatus, so that the two pipelines are in an opening and closing state;
the infusion bottle is hung at the lower part of the gravity detection device, and two pipelines at the upper part of the infusion apparatus are respectively arranged in the infusion clamping structure; when the first pipeline is opened and the second pipeline is clamped when the first infusion bottle is used for infusing liquid, the first pipeline is clamped by the infusion clamping structure after the gravity detection of the infusion of the liquid in the first infusion bottle is finished, and the second pipeline is opened simultaneously, so that the PDA and the nurse station can give an alarm when the infusion of two bags of liquid is finished.
Further, a pressure sensor is arranged in the gravity detection device, and a hook is arranged at the bottom of the gravity detection device; the above arrangement ensures that the infusion bottle can be hung on the gravity detection device.
Further, the gravity detection device is arranged on a fixed structure, and the fixed structure comprises a base, a support rod and a connecting rod; at least one connecting rod is arranged; the base is fixedly connected with the first end of the supporting rod, the second end of the supporting rod is provided with a cylindrical block, and the cylindrical block is fixedly connected with the connecting rod; the gravity detection device is fixedly connected to the connecting rod, and the infusion bottle can be hung at a high place through the gravity detection device and the quality of liquid in the infusion bottle can be measured, so that stable infusion is ensured.
Further, the transfusion clamping structure comprises a clamping structure body, a motor and a gear transmission structure; the gear transmission structure is arranged inside the clamping structure body, the gear transmission structure is movably connected with the clamping structure body, the motor is arranged outside the clamping structure body, the motor and the clamping structure body are separated and fixed on the clamping structure body, the motor is fixedly connected with the gear transmission structure, and the motor can drive the gear transmission structure to do corresponding movement in the clamping structure body by rotating, so that the purpose of clamping the infusion tube is achieved.
Further, the gear transmission structure comprises a gear and a rack, wherein the gear is matched with the rack, one of the gears moves, and the other gear also moves correspondingly.
Further, a first groove and a second groove are formed in the middle of the clamping structure body in the width direction, the first groove and the second groove penetrate through one side face of the clamping structure body respectively, the first groove and the second groove meet at one point, and the first groove and the second groove are rectangular in shape; the arrangement ensures that the first pipeline and the second pipeline of the infusion apparatus can be placed in the first groove and the second groove.
Further, an included angle formed by the first groove and the second groove is 30-120 degrees; optionally, the included angle formed by the first groove and the second groove is 90 degrees.
Further, a third groove is formed between the intersection point of the first groove and the second groove and the side surface of the clamping structure body, and the extension line of the third groove is positioned in the included angle between the first groove and the second groove; the arrangement ensures that the first pipeline and the second pipeline can smoothly extend out of the third groove.
Further, a fourth groove is arranged between the first groove and the second groove, and the fourth groove is used for communicating the first groove with the second groove.
Further, a fifth groove is formed in any side face of the fourth groove, the fifth groove is communicated with the fourth groove, and the fifth groove is arc-shaped.
Further, a round hole is formed in any side face of the center of the fifth groove.
Further, the first groove and the second groove are respectively provided with an imbedding port communicated with the outer side, the length of the imbedding port is the same as that of the first groove and the second groove, the width of the imbedding hole is smaller than that of the first groove and the second groove, and the width of the imbedding hole is larger than the diameter of the infusion tube; the above arrangement ensures that the infusion tube can be placed into the first groove and the second groove in the placement hole.
Further, a blocking block is arranged on the inner side of the placement opening, the blocking block is made of soft materials, is in a plane in a normal state and can be bent under the stress, and at least one blocking block is arranged; the arrangement ensures that the infusion tube cannot slide out again in the inlet after being placed, thereby causing blocking of the infusion failure of the liquid in the infusion tube.
Further, the rack is arranged in the fourth groove, the rack can slide along the side wall of the fourth groove, and the direction of teeth on the rack faces the fifth groove.
Further, two opposite side surfaces of the rack, on which no teeth are arranged, are provided with two fixing plates, at least one clamping wheel is arranged on the inner side of each fixing plate, and the clamping wheels are in rotary connection with the fixing plates; the arrangement ensures that the clamping wheel rotates to prevent the infusion tube from being extruded and broken when the infusion tube is clamped, and prevents the infusion tube from leaking.
Further, a gear is arranged in the fifth groove and meshed with the rack after being installed; the arrangement ensures that the gear can drive the rack to move up and down along the fourth groove so as to squeeze the infusion tube, thereby achieving the effect of clamping the infusion tube.
Further, the front end of the motor is provided with a mounting plate, and the mounting plate is provided with at least two through holes; the corresponding position of the clamping structure body is provided with an adaptive threaded hole; the mounting plate is fixed on the side surface of the clamping structure body by the mountable bolts.
Further, the motor is fixed on the side surface where the round hole is located, and an output shaft of the motor extends into the round hole and is fixedly connected with the gear; the motor can drive the gear to rotate so as to drive the rack to move along the track, and the infusion tube is clamped.
Further, the motor rear end sets up a protective housing on the clamp structure body, the protective housing rear end sets up at least one ventilation hole, prevents that medical personnel or patient from touching the motor.
Further, the side of the clamping structure body is provided with a fixing rod, the first end of the fixing rod is fixedly connected with the clamping structure body, the second end of the fixing rod is provided with a fixing ring, the diameter of the fixing ring is the same as that of the supporting rod, and the fixing ring can be opened and closed and can be detached from the supporting rod.
Further, the side face of the clamping structure body is provided with a fixing belt, and the fixing belt can be hung on a wall face or other positions, so that the clamping structure is more convenient to use and wider in application range.
Further, a controller is arranged at the top of the clamping structure body; the controller can display the quality and the infusion speed of the liquid in the infusion bottle, and after the infusion of the liquid quality in the infusion bottle is detected, the controller controls the motor to clamp the connected infusion tube.
Further, the controller is connected with the gravity detection device, and the controller calculates the infusion speed by measuring the reduction amount of the liquid in the medicine bottle and the infusion time through the gravity detection device, and after the completion of the infusion of the liquid in the infusion bottle is detected, the clamping structure body clamps the infusion tube.
Further, a screen is arranged on the controller, so that the current liquid flow rate and the quality of liquid in the infusion bottle can be displayed; the arrangement ensures that the medical staff can visually see the flow rate of the liquid and make adjustment.
Further, a switch and an adjusting button are arranged on the controller; convenient for medical staff to operate.
Furthermore, puncture heads are arranged at the top ends of a first pipeline and a second pipeline at the upper end of the infusion apparatus, and can be respectively pricked into different infusion bottles; the two tubes in the middle of the infusion tube are combined into one tube, the flow regulating device is arranged on the infusion tube, and the needle is arranged at the lower end of the infusion tube, so that the infusion tube can penetrate into the skin of a patient to carry out infusion.
When the infusion bottle is used, the clamping structure body is fixed on the supporting rod or hung at other positions, two infusion bottles are hung on the gravity detection device, the puncture heads on the infusion tubes are respectively inserted into the infusion bottles, the flow regulating structure is closed, the two infusion tubes at the upper end are arranged inside the clamping structure body, the controller is operated to clamp one of the infusion tubes, the flow regulating structure is opened for infusion of a patient, after the first bottle of liquid is infused, the clamping structure body clamps the infused end, the other bottle of infusion continues, after the two bottles of liquid are infused, an alarm is given out to the PDA and the nurse station, and a nurse is prompted to treat the patient in time.
The invention has the beneficial effects that: the invention has reasonable structure; by arranging the gravity detection device, whether the infusion of the liquid in the infusion bottle is finished or not can be detected in a weight detection mode, and the detection is accurate; by arranging the infusion clamping structure, after the infusion of the liquid in the first infusion bottle is completed, the infusion clamping structure can be started to clamp the infusion tube, so that the liquid is blocked from being conveyed, the infusion is prevented from mixing in air, and a patient is protected; after the infusion of the liquid in the two infusion bottles is completed, the controller is arranged, so that an alarm can be given to the PDA and the nurse station, and the nurse is prompted to treat the patient in time.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the infusion set and the fixing structure of the present invention;
FIG. 3 is a schematic view of the combination of the infusion set and the infusion clamping structure of the present invention;
FIG. 4 is a schematic cross-sectional view of the combination of the infusion set and the infusion clamp of the present invention;
FIG. 5 is a schematic cross-sectional view of the infusion clamping structure of the present invention;
FIG. 6 is a schematic view of the structure of the rack of the present invention;
FIG. 7 is a schematic view of the front of the infusion clamping structure of the present invention;
FIG. 8 is a schematic view of the structure behind the infusion clamping structure of the present invention;
FIG. 9 is a schematic view of the structure of the infusion clamping structure and motor connection of the present invention;
in the figure, 1, a first pipeline; 2. a second pipeline; 3. a gravity detection device; 4. a hook; 5. a base; 6. a support rod; 7. a connecting rod; 8. a cylindrical block; 9. a clamping structure body; 10. a motor; 11. a gear; 12. a rack; 13. a first groove; 14. a second groove; 15. a third groove; 16. a fourth groove; 17. a fifth groove; 18. an inlet is arranged; 20. a fixing plate; 21. a pinch wheel; 22. a mounting plate; 23. a fixed rod; 24. a fixing ring; 25. a controller; 26. a screen; 27. an adjustment button; 28. a flow rate adjusting device; 29. a needle; 30. and a protective shell.
Detailed Description
The following detailed description of the embodiments of the present invention will be made more apparent to those skilled in the art from the following detailed description, in which the invention is embodied in several, but not all, embodiments of the invention. The invention may be embodied or applied in other specific forms and features of the following examples and examples may be combined with each other without conflict, all other examples being contemplated by those of ordinary skill in the art without undue burden from the present disclosure, based on the examples of the invention.
Example 1
Referring to fig. 1-9, an automatic liquid changing type infusion device in this embodiment includes:
the infusion device is used for infusing the patient, a first pipeline 1 and a second pipeline 2 are arranged at the upper part of the infusion device, and the two pipelines can be respectively connected with different infusion bottles;
the gravity detection device 3 is used for measuring the mass of the liquid in the infusion bottle in real time;
the infusion clamping structure is used for controlling the opening and closing of two pipelines at the upper part of the infusion apparatus, so that the two pipelines are in an opening and closing state;
the infusion bottle is hung at the lower part of the gravity detection device 3, and two pipelines at the upper part of the infusion apparatus are respectively arranged in the infusion clamping structure; when the liquid in the first infusion bottle is infused, the first pipeline 1 is opened, the second pipeline 2 is clamped, the gravity detects that the liquid in the first infusion bottle is infused completely, the infusion clamping structure clamps the first pipeline 1, the second pipeline 2 is opened simultaneously, and when two bags of liquid are infused completely, the PDA and the nurse station are used for alarming and prompting.
Example 2
Referring to fig. 1-2, on the basis of embodiment 1, the following technical features are added in this embodiment: (the following specific settings are made for the gravity detection device 3 and the fixed structure): a pressure sensor is arranged in the gravity detection device 3, and a hook 4 is arranged at the bottom of the gravity detection device 3; the above arrangement ensures that the infusion bottle can be suspended on the gravity detection device 3.
The gravity detection device 3 is arranged on a fixed structure, and the fixed structure comprises a base 5, a support rod 6 and a connecting rod 7; at least one connecting rod 7 is arranged; the base 5 is fixedly connected with the first end of the supporting rod 6, the second end of the supporting rod 6 is provided with a cylindrical block 8, and the cylindrical block 8 is fixedly connected with the connecting rod 7; the gravity detection device 3 is fixedly connected to the connecting rod 7, and the infusion bottle can be hung at a high place through the arrangement and the quality of liquid in the infusion bottle is measured, so that the stable infusion is ensured.
Example 3
Referring to fig. 1,3 and 9, on the basis of embodiments 1 and 2, the following technical features (the following specific arrangements are performed on the infusion clamping structure) are added in this embodiment: the transfusion clamping structure comprises a clamping structure body 9, a motor 10 and a gear 11 transmission structure; the gear 11 transmission structure is arranged inside the clamping structure body 9, the gear 11 transmission structure is movably connected with the clamping structure body 9, the motor 10 is arranged outside the clamping structure body 9, the motor 10 is separated from the clamping structure body 9 and is fixed on the clamping structure body 9, the motor 10 is fixedly connected with the gear 11 transmission structure, and the motor 10 can drive the gear 11 transmission structure to do corresponding movement in the clamping structure body 9 by rotating, so that the purpose of clamping the infusion tube is achieved.
The gear 11 transmission structure comprises a gear 11 and a rack 12, wherein the gear 11 is matched with the rack 12, one of the gears moves, and the other gear also moves correspondingly.
The middle part of the clamping structure body 9 in the width direction is provided with a first groove 13 and a second groove 14, the first groove 13 and the second groove 14 respectively penetrate through one side surface of the clamping structure body 9, the first groove 13 and the second groove 14 are intersected at one point, and the first groove 13 and the second groove 14 are rectangular in shape; the above arrangement ensures that the first and second tubing 1, 2 of the infusion set can be placed in the first and second grooves 13, 14.
The included angle formed by the first groove 13 and the second groove 14 is 30-120 degrees; optionally, the included angle formed by the first groove 13 and the second groove 14 is 90 degrees.
A third groove 15 is arranged on the lateral surface of the clamping structure body 9 at the intersection point of the first groove 13 and the second groove 14, and the extension line of the third groove 15 is positioned in the included angle between the first groove 13 and the second groove 14; the above arrangement ensures that the first and second pipes 1, 2 can extend smoothly within the third recess 15.
A fourth groove 16 is provided between the first groove 13 and the second groove 14, the fourth groove 16 communicating the first groove 13 with the second groove 14.
A fifth groove 17 is arranged on any side surface of the fourth groove 16, the fifth groove 17 is communicated with the fourth groove 16, and the fifth groove 17 is in a circular arc shape.
A round hole is arranged on any side surface of the center of the fifth groove 17; the output shaft of the motor 10 can pass through the inside of the round hole, a bearing is arranged in the round hole, and the output shaft of the motor 10 passes through the bearing to be connected with the gear 11.
The first groove 13 and the second groove 14 are respectively provided with an imbedding port 18 communicated with the outer side, the length of the imbedding port 18 is the same as that of the first groove 13 and the second groove 14, the width of the imbedding hole is smaller than that of the first groove 13 and the second groove 14, and the width of the imbedding hole is larger than the diameter of the infusion tube; the above arrangement ensures that the infusion tube can be placed inside the first groove 13 and the second groove 14 in the placement hole.
The inner side of the inlet 18 is provided with a blocking block which is made of soft materials and is in a plane in a normal state, the force is applied to the blocking block to be bendable, and at least one blocking block is arranged; the arrangement ensures that the infusion tube cannot slide out again in the inlet after being placed, thereby causing blocking of the infusion failure of the liquid in the infusion tube.
The rack 12 is disposed in the fourth recess 16, the rack 12 being capable of sliding along the side walls of the fourth recess 16, the direction of the teeth on the rack 12 being toward the fifth recess 17.
Two opposite side surfaces of the rack 12, on which no teeth are arranged, are provided with two fixing plates 20, at least one clamping wheel 21 is arranged on the inner side of each fixing plate 20, and each clamping wheel 21 is rotationally connected with each fixing plate 20; the arrangement ensures that the clamping wheel rotates to prevent the infusion tube from being extruded and broken when the infusion tube is clamped, and prevents the infusion tube from leaking.
A gear 11 is arranged in the fifth groove 17, and the gear 11 is meshed with the rack 12 after being installed; the arrangement ensures that the gear 11 can drive the rack 12 to move up and down along the fourth groove 16 by rotating, so as to squeeze the infusion tube, thereby achieving the effect of clamping the infusion tube.
The front end of the motor 10 is provided with a mounting plate 22, and the mounting plate 22 is provided with at least two through holes; the corresponding position of the clamping structure body 9 is provided with an adaptive threaded hole; a mountable bolt secures the mounting plate 22 to the side of the clamp structure body 9.
The motor 10 is fixed on the side surface of the round hole, and an output shaft of the motor 10 extends into the round hole and is fixedly connected with the gear 11; the motor 10 can rotate to drive the gear 11 to rotate, so as to drive the rack 12 to move along the track, and clamp the infusion tube.
A protective shell 30 is arranged at the rear end of the motor 10 on the clamping structure body 9, and at least one vent hole is arranged at the rear end of the protective shell 30, so that medical staff or patients are prevented from touching the motor 10.
The side of the clamping structure body 9 is provided with a fixed rod 23, a first end of the fixed rod 23 is fixedly connected with the clamping structure body 9, a second end of the fixed rod 23 is provided with a fixed ring 24, the diameter of the fixed ring 24 is the same as that of the supporting rod 6, and the fixed ring 24 can be opened and closed and can be detached from the supporting rod 6.
The side face of the clamping structure body 9 is provided with a fixing belt which can be hung on a wall face or other positions, so that the use is more convenient, and the application range is wider; the hanger 4 on the wall of the hospital can be hung when the fixing structure is not provided.
Example 4
Referring to fig. 1, on the basis of embodiments 1-3, the following technical features (the following specific arrangement is made for the structure of the controller 25) are added: the top of the clamping structure body 9 is provided with a controller 25; the controller 25 can display the quality of the liquid in the infusion bottle and the infusion speed, and when the infusion of the liquid quality in the infusion bottle is detected, the controller 25 controls the motor 10 to clamp the connected infusion tube.
The controller 25 is connected with the motor 10, and can control the motor 10 to rotate positively and negatively, so as to clamp or loosen the infusion tube, and automatically change the infusion tube.
The controller 25 is connected with the gravity detection device 3, the controller 25 calculates the infusion speed by measuring the reduction amount of the liquid in the medicine bottle and the infusion time through the gravity detection device 3, and after the completion of the infusion of the liquid in the infusion bottle is detected, the clamping structure body 9 clamps the infusion tube.
A screen 26 is arranged on the controller 25 and can display the current liquid flow rate and the quality of the liquid in the infusion bottle; the arrangement ensures that the medical staff can visually see the flow rate of the liquid and make adjustment.
The controller 25 is provided with a switch and an adjusting button 27; convenient for medical staff to operate.
Puncture heads are arranged at the top ends of a first pipeline 1 and a second pipeline 2 at the upper end of the infusion apparatus, and can be respectively pricked into different infusion bottles; the two pipes in the middle of the infusion tube are combined into one pipe, the flow regulating device 28 is arranged on the infusion tube, the needle 29 is arranged at the lower end of the infusion tube, and the infusion tube can penetrate into the skin of a patient to carry out infusion.
When the infusion bottle is used, the clamping structure body 9 is fixed on the supporting rod 6 or hung at other positions, two infusion bottles are hung on the gravity detection device 3, the puncture heads on the infusion tubes are respectively inserted into the two infusion bottles, the flow regulating structure is closed, the two infusion tubes at the upper end are arranged inside the clamping structure body 9, the controller 25 is operated to clamp any one of the pipelines, the flow regulating structure is opened for infusion of a patient, the motor 10 rotates after the first bottle of liquid is completely infused, the other pipeline is opened until the end which is completely infused is clamped and stopped, the second infusion bottle is continuously infused, and an alarm is given to the PDA and the nurse station after the two bottles are completely infused, so that nurses are prompted to timely process the patient.
The above description of embodiments is only for the understanding of the present invention. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present invention without departing from the principles of the invention, and such modifications will fall within the scope of the claims.

Claims (7)

1. An automatic liquid change type infusion device, characterized in that it comprises:
the infusion device is used for infusing the patient, a first pipeline and a second pipeline are arranged at the upper part of the infusion device, and the two pipelines can be respectively connected with different infusion bottles;
the gravity detection device is used for measuring the mass of the liquid in the infusion bottle in real time;
the infusion clamping structure is used for controlling the opening and closing of two pipelines at the upper part of the infusion apparatus, so that the two pipelines are in an opening and closing state;
the infusion bottle is hung at the lower part of the gravity detection device, and two pipelines at the upper part of the infusion apparatus are respectively arranged in the infusion clamping structure; the infusion clamping structure comprises a clamping structure body, a motor and a gear transmission structure; the gear transmission structure is arranged in the clamping structure body, the gear transmission structure is movably connected with the clamping structure body, the motor is arranged at the outer side of the clamping structure body, the motor is separated from the clamping structure body and is fixed on the clamping structure body, the motor is fixedly connected with the gear transmission structure, and the motor rotates to drive the gear transmission structure to do corresponding movement in the clamping structure body; the gear transmission structure comprises a gear and a rack, and the gear is matched with the rack; the middle part of the clamping structure body in the width direction is provided with a first groove and a second groove, the first groove and the second groove respectively penetrate through one side surface of the clamping structure body, the first groove and the second groove are intersected at one point, and the first groove and the second groove are rectangular in shape; the included angle formed by the first groove and the second groove is 30-120 degrees; a third groove is formed in the lateral surface of the clamping structure body at the intersection point of the first groove and the second groove, and an extension line of the third groove is positioned in an included angle between the first groove and the second groove; a fourth groove is arranged between the first groove and the second groove, and the fourth groove is used for communicating the first groove with the second groove; a fifth groove is formed in any side face of the fourth groove, the fifth groove is communicated with the fourth groove, and the fifth groove is arc-shaped; a round hole is formed in any side face of the center of the fifth groove; the first groove and the second groove are respectively provided with an imbedding port communicated with the outer side, the length of the imbedding port is the same as that of the first groove and the second groove, and the width of the imbedding hole is smaller than that of the first groove and the second groove and larger than the diameter of the infusion tube; a blocking block is arranged on the inner side of the imbedding port, the blocking block is made of soft materials, and at least one blocking block is arranged; the rack is arranged in the fourth groove, the rack can slide along the side wall of the fourth groove, and the direction of teeth on the rack faces the fifth groove; two opposite side surfaces of the rack, on which no teeth are arranged, are provided with two fixing plates, at least one clamping wheel is arranged on the inner side of each fixing plate, and the clamping wheels are rotationally connected with the fixing plates; and a gear is arranged in the fifth groove and meshed with the rack after being installed.
2. The automatic liquid changing type transfusion device as claimed in claim 1, wherein a pressure sensor is arranged in the gravity detection device, and a hook is arranged at the bottom of the gravity detection device.
3. The automatic fluid changing type infusion device according to claim 2, wherein the gravity detection device is arranged on a fixed structure, and the fixed structure comprises a base, a supporting rod and a connecting rod; at least one connecting rod is arranged; the base is fixedly connected with the first end of the supporting rod, the second end of the supporting rod is provided with a cylindrical block, and the cylindrical block is fixedly connected with the connecting rod; the gravity detection device is fixedly connected to the connecting rod.
4. The automatic liquid changing type transfusion device as claimed in claim 1, wherein the front end of the motor is provided with a mounting plate, and the mounting plate is provided with at least two through holes; the corresponding position of the clamping structure body is provided with an adaptive threaded hole; the mounting plate can be fixed on the side surface of the clamping structure body by the mounting bolts; the motor is fixed on the side face where the round hole is located, and an output shaft of the motor stretches into the round hole and is fixedly connected with the gear.
5. The automatic fluid changing type infusion device according to claim 4, wherein a protective shell is arranged at the rear end of the motor on the clamping structure body, and at least one vent hole is arranged at the rear end of the protective shell.
6. The automatic liquid changing type transfusion device as claimed in claim 1, wherein a fixing rod is arranged on the side face of the clamping structure body, a first end of the fixing rod is fixedly connected with the clamping structure body, a fixing ring is arranged at a second end of the fixing rod, the fixing ring has the same diameter as the supporting rod, and the fixing ring can be opened and closed; the side surface of the clamping structure body is provided with a fixing belt.
7. The automatic fluid changing infusion device according to any one of claims 1-6, wherein a controller is provided on top of the clamping structure body; the controller is connected with the gravity detection device; a screen is arranged on the controller; and a switch and an adjusting button are arranged on the controller.
CN202310633582.6A 2023-05-31 2023-05-31 Automatic liquid-changing type transfusion device Active CN116328090B (en)

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CN116328090B true CN116328090B (en) 2023-08-18

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006130087A (en) * 2004-11-05 2006-05-25 Sanryuusha:Kk Infusion tube switch device
JP2006230445A (en) * 2005-02-22 2006-09-07 Nippon Shizen Kagaku Kenkyusho:Kk Apparatus for controlling infusion automatically
JP2013006021A (en) * 2011-05-26 2013-01-10 Nipro Corp Infusion pump
CN105771025A (en) * 2016-04-09 2016-07-20 深圳市前海安测信息技术有限公司 Automatic infusion equipment and control method
CN209611886U (en) * 2018-10-26 2019-11-12 无锡市中医医院 Perfusion tube presss from both sides automatically closes locking device and infusion apparatus volume controlled alarm

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006130087A (en) * 2004-11-05 2006-05-25 Sanryuusha:Kk Infusion tube switch device
JP2006230445A (en) * 2005-02-22 2006-09-07 Nippon Shizen Kagaku Kenkyusho:Kk Apparatus for controlling infusion automatically
JP2013006021A (en) * 2011-05-26 2013-01-10 Nipro Corp Infusion pump
CN105771025A (en) * 2016-04-09 2016-07-20 深圳市前海安测信息技术有限公司 Automatic infusion equipment and control method
CN209611886U (en) * 2018-10-26 2019-11-12 无锡市中医医院 Perfusion tube presss from both sides automatically closes locking device and infusion apparatus volume controlled alarm

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