CN108543150B - Special device for infusion nursing - Google Patents
Special device for infusion nursing Download PDFInfo
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- CN108543150B CN108543150B CN201810566260.3A CN201810566260A CN108543150B CN 108543150 B CN108543150 B CN 108543150B CN 201810566260 A CN201810566260 A CN 201810566260A CN 108543150 B CN108543150 B CN 108543150B
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- strain gauge
- dropping funnel
- ball
- side wall
- hollow aluminum
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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
- A61M5/1414—Hanging-up devices
- A61M5/1415—Stands, brackets or the like for supporting infusion accessories
-
- 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
- A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
- A61M21/02—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
-
- 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
- A61M5/1414—Hanging-up devices
- A61M5/1417—Holders or handles for hanging up infusion containers
-
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
- A61M5/40—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 with means for eliminating or preventing injection or infusion of air into body using low-level float-valve to cut off media flow from reservoir
-
- 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
- A61M5/44—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 having means for cooling or heating the devices or media
- A61M5/445—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 having means for cooling or heating the devices or media the media being heated in the reservoir, e.g. warming bloodbags
-
- 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
- A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
- A61M2021/0005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
- A61M2021/0027—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus by the hearing sense
-
- 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
- A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
- A61M2021/0005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
- A61M2021/0044—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus by the sight sense
- A61M2021/005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus by the sight sense images, e.g. video
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
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- Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Pain & Pain Management (AREA)
- Psychology (AREA)
- Acoustics & Sound (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a special device for infusion nursing, which comprises a bottom plate, wherein a hydraulic cylinder is arranged on the upper end surface of the bottom plate, a hydraulic pedal is arranged on the rear side wall of the hydraulic cylinder, a fixed rod is arranged at the upper end of the hydraulic cylinder, an infusion bottle fixing box is arranged on the upper part of the right side wall of the fixed rod, the lever can be connected to the inner cavity of a dropping funnel body and used as a lever fulcrum through the arrangement of a lever shaft, the effect of preventing blood return by descending and blocking the outlet of the dropping funnel when no liquid medicine exists in the dropping funnel body can be realized through the arrangement of a hollow aluminum ball, the effect of preventing the hollow aluminum ball and the solid plastic ball from polluting the liquid medicine can be realized through the arrangement of a solid plastic ball, and the blood return can be prevented.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a special device for infusion nursing.
Background
The infusion is a common method in medical treatment, which is different from oral medicines, the infusion directly inputs medicines into human bodies in a liquid form through veins, the medicine effect is quicker than that of the oral medicines, the medicine amount is better controlled, and the effect of continuous administration can be achieved, so that the human bodies can more easily receive the medicine; since it is not administered to the stomach, it has no side effect on the stomach, and thus, infusion is widely used in medical care. The existing transfusion nursing devices are numerous, but after the liquid medicine is dripped out, if the nursing is not proper, the blood return phenomenon can occur, and for this reason, a special transfusion nursing device is provided to solve the problems.
Disclosure of Invention
The invention aims to provide a special device for infusion nursing, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a special device for infusion nursing comprises a base plate, wherein braking universal wheels are symmetrically arranged in front of and behind the lower end face of the base plate, a hydraulic cylinder is arranged on the upper end face of the base plate, a hydraulic pedal is arranged on the rear side wall of the hydraulic cylinder, inclined supports are symmetrically arranged on the outer side wall of the hydraulic cylinder, a fixing rod is arranged at the upper end of the hydraulic cylinder, an infusion bottle fixing box is arranged on the upper portion of the right side wall of the fixing rod, the infusion bottle fixing box comprises a water storage chamber, an infusion bottle fixing cavity is arranged on the right side of the water storage chamber, a water filling port is arranged on the upper end face of the water storage chamber, a sealing cover is screwed at the upper end of the water filling port, a heater is arranged on the left side wall of an inner cavity of the water storage chamber, an opening and closing window is hinged to the right end face of the infusion bottle fixing cavity, an, a control panel is arranged on the lower end surface of the display screen, one end of a transfusion tube is fixedly connected between the front side wall and the rear side wall of the infusion bottle mouth fixing groove, a dropping funnel is arranged on the transfusion tube, the dropping funnel comprises a dropping funnel body, the upper end surface of the dropping funnel body is provided with a dropping funnel inlet, the lower end surface of the dropping funnel body is provided with a dropping funnel outlet, the upper end of the dropping funnel inlet and the lower end of the dropping funnel outlet are both connected with the transfusion tube, a lever shaft is arranged at the lower part between the front side wall and the rear side wall of the inner cavity of the dropping funnel body and is positioned at the right side of the outlet of the dropping funnel, a lever is arranged on the outer side wall of the lever shaft, a hollow aluminum ball is arranged at the left end of the lever, a solid plastic ball is arranged at the right end of the lever, the outer side wall of the infusion tube is provided with a flow regulator, the flow regulator is positioned below the dropping funnel, and the lower end of the infusion tube is provided with a puncture needle head.
Preferably, the water storage chamber is L-shaped.
Preferably, the solid plastic ball is made of PET resin.
Preferably, the mass of the hollow aluminum ball is larger than that of the solid plastic ball, and the outer diameter of the hollow aluminum ball is larger than that of the solid plastic ball.
Preferably, the outer side walls of the hollow aluminum ball and the solid plastic ball are both provided with sterile plastic films.
Preferably, the distance between the hollow aluminum ball and the lever shaft is equal to the distance between the solid plastic ball and the lever shaft, and is equal to the distance between the lever shaft and the drip chamber outlet.
Preferably, a cover cap is arranged in the dropping funnel body, the hollow aluminum ball and the solid plastic ball rotate in the cover cap, the lower end of the cover cap is arranged in the dropping funnel outlet, and the lower end of the cover cap is a conical surface so as to be attached to the inner side wall of the dropping funnel outlet; the cover cap is made of polyester materials and is combined with the side wall of the dropping funnel outlet into a whole through bonding, and a liquid injection hole is formed in the cover cap, so that liquid can be injected into the cover cap through the liquid injection hole and is led out through the dropping funnel outlet.
Preferably, three groups of strain gauges from top to bottom are arranged on the inner side wall of the cover cap, the three groups of strain gauges are annular gauges, the strain gauges are bonded on the inner side wall of the cover cap and sequentially comprise a first strain gauge, a second strain gauge and a third strain gauge from top to bottom, the first strain gauge is arranged on the lower side of the opening end of the cover cap, the second strain gauge is arranged in the middle position of the inner wall of the cover cap from top to bottom, and the third strain gauge is arranged at the lower end of the cover cap and is in contact with the upper end of the drip chamber outlet; when the hollow aluminum ball and the solid plastic ball rotate, the hollow aluminum ball and the solid plastic ball are in contact with the strain gauge, signals are generated and sent to the controller, the controller processes the information collected by the induction gauge, and the control panel controls the heater to be turned on and off through the controller to control the switch to turn on the heater and adjust the liquid flow.
Preferably, the first strain gauge, the second strain gauge and the third strain gauge respectively sense the position of the hollow aluminum ball or the solid plastic ball through contact with the hollow aluminum ball or the solid plastic ball;
if only one group of strain gauges among the first strain gauge, the second strain gauge and the third strain gauge has induction, the hollow aluminum ball and the solid plastic ball are horizontally placed at the moment, the liquid flow rate is fast enough, and the controller needs to reduce the liquid flow rate; if the first strain gauge and the second strain gauge are both sensitive and the third strain gauge is not sensitive, the hollow aluminum ball and the solid plastic ball are arranged in a relatively inclined manner, and at the moment, the liquid flow rate is normal; if the first strain gauge and the third strain gauge are both sensitive and the second strain gauge is not sensitive, the maximum inclination angle of the hollow aluminum ball and the solid plastic ball is set, and at the moment, the outlet of the dropping funnel is blocked by the hollow aluminum ball.
Compared with the prior art, the invention has the beneficial effects that: the automatic blood return prevention dropping funnel has the advantages that the lever shaft is arranged to achieve the effect of connecting the lever to the inner cavity of the dropping funnel body and serving as a lever fulcrum, the hollow aluminum ball is arranged to achieve the effect of descending to block the outlet of the dropping funnel when no liquid medicine exists in the dropping funnel body, so that blood return is prevented, the solid plastic ball is arranged to achieve the effect of ascending when no liquid medicine exists in the dropping funnel body, the effect of preventing the hollow aluminum ball and the solid plastic ball from polluting the liquid medicine can be achieved through the arrangement of the sterile plastic film, and blood return can be prevented.
The aluminum ball and the plastic ball can rotate within a set range by arranging the cover cap; and the real-time state is judged by arranging three groups of strain gauges to sense the position and the corresponding inclined angle of the aluminum ball or the plastic ball in real time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of the hydraulic cylinder of the present invention;
fig. 3 is a schematic structural view of an infusion bottle fixing box in the invention;
FIG. 4 is a cross-sectional view of a drip chamber of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a schematic structural diagram of a cover according to an embodiment of the present invention.
In the figure: 1-bottom plate, 2-brake universal wheel, 3-hydraulic cylinder, 4-hydraulic pedal, 5-inclined bracket, 6-fixed rod, 7-infusion bottle fixed box, 71-water storage chamber, 72-infusion bottle fixed cavity, 73-water filling port, 74-sealing cover, 75-heater, 76-opening and closing window, 77-infusion bottle mouth fixed groove, 8-display screen, 9-loudspeaker, 10-control panel, 11-infusion tube, 12-dropping funnel, 121-dropping funnel body, 122-dropping funnel inlet, 123-dropping funnel outlet, 124-lever shaft, 125-lever, 126-hollow aluminum ball, 127-solid plastic ball, 13-flow regulator and 14-puncture needle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a special device for infusion nursing comprises a bottom plate 1, wherein brake universal wheels 2 are symmetrically arranged in front of and behind the lower end face of the bottom plate 1, the device can be moved freely and stopped at any time through the arrangement of the brake universal wheels, a hydraulic cylinder 3 is arranged on the upper end face of the bottom plate, the effect of adjusting the height of a fixing rod can be realized through the arrangement of the hydraulic cylinder, a hydraulic pedal 4 is arranged on the rear side wall of the hydraulic cylinder, the effect of controlling the hydraulic cylinder to stretch and retract can be realized through the arrangement of the hydraulic pedal, an inclined support 5 is symmetrically arranged on the outer side wall of the hydraulic cylinder, the effect of supporting the hydraulic cylinder can be realized through the arrangement of the inclined support, the fixing rod 6 is arranged at the upper end of the hydraulic cylinder, an infusion bottle fixing box 7 is arranged at the upper part of the right side wall of the fixing rod, the infusion bottle fixing box, the effect of fixing an infusion bottle can be realized by arranging an infusion bottle fixing cavity, the upper end surface of the water storage chamber is provided with a water filling port 73, the effect of enabling water to enter the water storage chamber can be realized by arranging the water filling port, the upper end of the water filling port is in threaded connection with a sealing cover 74, the effect of sealing the water storage chamber can be realized by arranging the sealing cover, the left side wall of the inner cavity of the water storage chamber is provided with a heater 75, the effect of heating the water in the water storage chamber so as to indirectly heat liquid medicine in the infusion bottle can be realized by arranging the heater, the right end of the infusion bottle fixing cavity is hinged with an opening and closing window 76, the effect of enabling an infusion bottle to be placed into or taken out of the infusion bottle fixing cavity can be realized by arranging the opening and closing window, the lower end surface of the infusion bottle fixing cavity penetrates through an, the lower part of the right side wall of the fixed rod is provided with a display screen 8, the right side wall of the display screen is provided with a loudspeaker 9, the effect of playing video or music and relieving the pressure of a patient can be realized through the arrangement of the display screen and the loudspeaker, the lower end surface of the display screen is provided with a control panel 10, the effect of controlling the heater, the display screen and the loudspeaker can be realized through the arrangement of the control panel, the front side wall of the control panel is provided with a switch for controlling the opening and closing of the heater, the front side wall of the control panel is provided with a switch for controlling the opening and closing of the display screen and the video selection, the front side wall of the control panel is provided with a switch for controlling the volume of the loudspeaker, the switch for controlling the opening and closing of the heater, the switch for controlling the opening and closing of the display screen and the video selection and the switch for controlling the, the infusion tube is provided with a dropping funnel 12, the dropping funnel comprises a dropping funnel body 121, and the upper end face of the dropping funnel body is provided with a dropping funnel inlet 122.
The lower terminal surface of the dropping funnel body is provided with a dropping funnel outlet 123, the upper end of the dropping funnel inlet and the lower end of the dropping funnel outlet are both connected with the infusion tube, the lower part between the front side wall and the rear side wall of the inner cavity of the dropping funnel body is provided with a lever shaft 124, the effect of connecting a lever to the inner cavity of the dropping funnel body and serving as a lever fulcrum can be realized through the arrangement of the lever shaft, the lever shaft is positioned on the right side of the dropping funnel outlet, the outer side wall of the lever shaft is provided with a lever 125, the effect of descending the left end of the dropping funnel body when no liquid medicine exists can be realized through the arrangement of the lever, the left end of the lever is provided with a hollow aluminum ball 126, the effect of descending the dropping funnel body when no liquid medicine exists and blocking the dropping funnel outlet to prevent blood return can be realized through the arrangement of the hollow aluminum ball, the right end of the lever is provided with, the outer side wall of the infusion tube is provided with a flow regulator 13, the flow regulator is positioned below the dropping funnel, and the lower end of the infusion tube is provided with a puncture needle 14.
Specifically, the reservoir chamber has an L-shape, and this arrangement can achieve an effect of better fitting the reservoir chamber to the infusion bottle.
Specifically, the solid plastic ball is made of PET resin, and the density of the PET resin is slightly larger than that of water, so that the solid plastic ball can sink when liquid medicine is in the dropping funnel body.
Specifically, the mass of the hollow aluminum ball is larger than that of the solid plastic ball, so that the effect of sinking of the hollow aluminum ball can be realized when no liquid medicine exists in the dropping funnel body, and the outer diameter of the hollow aluminum ball is larger than that of the solid plastic ball.
Specifically, the outer side walls of the hollow aluminum ball and the solid plastic ball are both provided with sterile plastic films, and the effect of preventing the hollow aluminum ball and the solid plastic ball from polluting the liquid medicine can be realized through the arrangement of the sterile plastic films.
Specifically, the distance between the hollow aluminum ball and the lever shaft is equal to the distance between the solid plastic ball and the lever shaft, and is equal to the distance between the lever shaft and the drip chamber outlet.
The working principle is as follows: according to the invention, the position of the universal wheel adjusting device is braked according to the requirements of a patient, the hydraulic pedal is stepped by feet to control the extension of the hydraulic cylinder so as to adjust the height of the fixing rod, then the opening-closing window is opened, the bottle mouth of the infusion bottle is reversely clamped in the fixing groove of the bottle mouth of the infusion bottle, and then the infusion tube is communicated with the infusion bottle mouth. When the liquid medicine in the infusion bottle needs to be heated, the sealing cover of the infusion bottle fixing box is opened, water is added into the water adding port, then the sealing cover is covered, the heater is opened through a switch which controls the opening and closing of the heater on the control panel, and the heater heats the water in the water storage chamber, so that the liquid medicine in the infusion bottle is indirectly heated. The display screen and the loudspeaker can play videos or music to relieve the stress of the patient. During normal transfusion, liquid medicine is contained in the dropping funnel body, although the density of aluminum is greater than that of water, the hollow aluminum ball floats upwards due to the fact that the hollow aluminum ball is hollow and is subjected to buoyancy greater than gravity, the solid plastic ball is made of PET resin and has a density slightly greater than that of water, and the solid plastic ball descends due to the effect of the hollow aluminum ball on the solid plastic ball through a lever; when no liquid medicine exists in the dropping funnel body, the hollow aluminum ball descends and the solid plastic ball ascends because the mass of the hollow aluminum ball is larger than that of the solid plastic ball, and the outlet of the dropping funnel is blocked by the hollow aluminum ball, so that blood return is prevented.
Referring to fig. 6, which is a schematic structural diagram of the cover cap of the present invention, in order to achieve precise swinging between the hollow aluminum ball and the solid plastic ball and precise control of liquid, a cover cap 91 is further disposed in the dropping funnel body 121, and the hollow aluminum ball 126 and the solid plastic ball 127 rotate in the cover cap 91. The lower end 919 of the cover 91 is disposed in the drip chamber outlet 123, and the lower end of the cover 91 is a tapered surface so as to be attached to the inner side wall of the drip chamber outlet 123. The cover 91 is made of polyester material and is bonded to the sidewall of the drip chamber outlet 123. The lid 91 is provided with a liquid inlet 910 so that liquid can be introduced into the lid 91 through the liquid inlet 910 and discharged through the drip chamber outlet 123.
Specifically, three groups of strain gauges from top to bottom are arranged on the inner side wall of the cover cap 91, the three groups of strain gauges are annular gauges, the strain gauges are bonded on the inner side wall of the cover cap 91, and are a first strain gauge 911, a second strain gauge 912 and a third strain gauge 913 from top to bottom in sequence, wherein the first strain gauge 911 is arranged on the lower side of the opening end of the cover cap 91, the second strain gauge 912 is arranged in the middle position of the inner wall of the cover cap from top to bottom, and the third strain gauge 913 is arranged at the lower end of the cover cap 91 and is in contact with the upper end of the drip chamber outlet 123. When the hollow aluminum ball 126 and the solid plastic ball 127 rotate, the hollow aluminum ball is in contact with the strain gauge, a signal is generated and sent to the controller, the controller processes the information collected by the induction gauge, and the control panel controls the heater to be turned on and off through the controller to control the heater to be turned on and off, so that the liquid flow is adjusted.
In the present embodiment, the first, second and third strain gauges sense the position of the hollow aluminum ball 126 or the solid plastic ball 127 by contact with the hollow aluminum ball 126 or the solid plastic ball 127, respectively. If only one group of strain gauges among the first strain gauge, the second strain gauge and the third strain gauge has induction, the situation is shown that at this moment, the hollow aluminum ball 126 and the solid plastic ball 127 are horizontally arranged, the liquid flow rate is fast enough, and the controller needs to reduce the liquid flow rate; if the first strain gauge and the second strain gauge are both sensitive and the third strain gauge is not sensitive, the hollow aluminum ball 126 and the solid plastic ball 127 are arranged in a relatively inclined manner, and at the moment, the flow rate of the liquid is normal; if the first strain gauge and the third strain gauge are both sensitive and the second strain gauge is not sensitive, the maximum inclination angle of the hollow aluminum ball 126 and the solid plastic ball 127 is set, and at the moment, the outlet of the dropping funnel is blocked by the hollow aluminum ball.
In this embodiment, the controller sets the deformation difference threshold value as M, the deformation amount Φ of the first strain gauge, and the deformation amount Φ of the second strain gauge2Amount of deformation of the third strain gauge Φ3. The controller calculates an initial difference value of the first strain gauge and the second strain gauge as follows:
in the formula, M21Representing the deformation difference value of the first strain gauge and the second strain gauge, phi representing the real-time detection value of the first strain gauge, phi2Indicating the real-time measured value of the second strain gauge, phi3And (3) representing the real-time detection value of the third strain gauge, T representing the mean square error operation, and I representing the integral operation.
Where I represents an arbitrary integral operation based on a quadratic function, the above formula is ratio information for obtaining the integral, and the following two formulas are the same, for example, based on a function y ═ ax2In the case that x takes the value (a, b), a<b is an arbitrary number.
The basic algorithm of the above average operation is: the method comprises the steps of carrying out integral operation and mean square error operation on all values in a certain time period by obtaining position values of all sampling points in the certain time period, and then obtaining a ratio to obtain a comparative average value.
The controller calculates an initial difference value of the first strain gauge and the third strain gauge as follows:
in the formula, M31The deformation difference value of the first strain gauge and the third strain gauge is represented, phi represents the real-time detection value of the first strain gauge, and phi represents the real-time detection value of the third strain gauge2Indicating the real-time measured value of the second strain gauge, phi3And (3) representing the real-time detection value of the third strain gauge, T representing the mean square error operation, and I representing the integral operation.
The controller calculates an initial difference value of the second strain gauge and the third strain gauge as follows:
in the formula, M23Representing the difference in deformation of the second strain gage and the third strain gage,
phi denotes a real-time detection value of the first strain gauge, phi2Indicating the real-time measured value of the second strain gauge, phi3And (3) representing the real-time detection value of the third strain gauge, T representing the mean square error operation, and I representing the integral operation.
The controller sets the difference threshold value as M, and the M is obtained through calculation of the formula21、M31、M23Respectively comparing with a difference threshold value M if M is less than M21、M31、M23And if the three strain gauges are all smaller than M, the three strain gauges are determined to be not inducted. If M is21、M31If the difference value is larger than the difference value threshold value M, the hollow aluminum ball 126 and the solid plastic ball 127 are arranged in a relatively inclined mode, and the liquid flow rate is normal at the moment; if M is21、M23And if the difference value is larger than the difference value threshold value M, the maximum inclination angle of the hollow aluminum ball 126 and the solid plastic ball 127 is set, and the outlet of the dropping funnel is blocked by the hollow aluminum ball.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a transfusion nursing isolated plant, includes bottom plate (1), its characterized in that: the front and back of the lower end face of the bottom plate (1) are symmetrically provided with braking universal wheels (2), the upper end face of the bottom plate (1) is provided with a hydraulic cylinder (3), the back side wall of the hydraulic cylinder (3) is provided with a hydraulic pedal (4), the outer side wall of the hydraulic cylinder (3) is symmetrically provided with an inclined bracket (5), the upper end of the hydraulic cylinder (3) is provided with a fixed rod (6), the upper part of the right side wall of the fixed rod (6) is provided with an infusion bottle fixing box (7), the infusion bottle fixing box (7) comprises a water storage chamber (71), the right side of the water storage chamber (71) is provided with an infusion bottle fixing cavity (72), the upper end face of the water storage chamber (71) is provided with a water filling port (73), the upper end of the water filling port (73) is screwed with a sealing cover (74), the left side wall of the inner cavity of the water storage chamber, an infusion bottle mouth fixing groove (77) is formed in the lower end face of the infusion bottle fixing cavity (72) in a penetrating mode, a display screen (8) is arranged on the lower portion of the right side wall of the fixing rod (6), a loudspeaker (9) is arranged on the right side wall of the display screen (8), a control panel (10) is arranged on the lower end face of the display screen (8), one end of an infusion tube (11) is fixedly connected between the front side wall and the rear side wall of the infusion bottle mouth fixing groove (77), a dropping funnel (12) is arranged on the infusion tube (11), the dropping funnel (12) comprises a dropping funnel body (121), a dropping funnel inlet (122) is arranged on the upper end face of the dropping funnel body (121), a dropping funnel outlet (123) is arranged on the lower end face of the dropping funnel inlet (122) and the lower end of the dropping funnel outlet (123) are both connected with the infusion tube (11), and a lever shaft (124) is arranged on the lower portion between the front side wall and the rear, the lever shaft (124) is positioned on the right side of the dropping funnel outlet (123), a lever (125) is arranged on the outer side wall of the lever shaft (124), a hollow aluminum ball (126) is arranged at the left end of the lever (125), a solid plastic ball (127) is arranged at the right end of the lever (125), a flow regulator (13) is arranged on the outer side wall of the infusion tube (11), the flow regulator (13) is positioned below the dropping funnel (12), and a puncture needle head (14) is arranged at the lower end of the infusion tube (11);
a cover cap is arranged in the dropping funnel body, the hollow aluminum ball and the solid plastic ball rotate in the cover cap, the lower end of the cover cap is arranged in the dropping funnel outlet, and the lower end of the cover cap is a conical surface so as to be attached to the inner side wall of the dropping funnel outlet; the cover cap is made of polyester materials and is combined with the side wall of the dropping funnel outlet into a whole through bonding, and a liquid injection hole is formed in the cover cap, so that liquid can be injected into the cover cap through the liquid injection hole and is led out through the dropping funnel outlet;
three groups of strain gauges from top to bottom are arranged on the inner side wall of the cover cap, are annular sheets and are bonded on the inner side wall of the cover cap, and sequentially comprise a first strain gauge, a second strain gauge and a third strain gauge from top to bottom, wherein the first strain gauge is arranged at the lower side of the opening end of the cover cap, the second strain gauge is arranged at the middle position of the inner wall of the cover cap from top to bottom, and the third strain gauge is arranged at the lower end of the cover cap and is in contact with the upper end of the drip chamber outlet; when the hollow aluminum ball and the solid plastic ball rotate, the hollow aluminum ball and the solid plastic ball are in contact with the strain gauge to generate signals to be sent to the controller, the controller processes the signals according to the information collected by the induction gauge, and the control panel controls the on-off switch of the heater through the controller to turn on the heater and adjust the flow of liquid;
the first strain gauge, the second strain gauge and the third strain gauge respectively sense the position of the hollow aluminum ball or the solid plastic ball through the contact with the hollow aluminum ball or the solid plastic ball;
if only one group of strain gauges among the first strain gauge, the second strain gauge and the third strain gauge has induction, the hollow aluminum ball and the solid plastic ball are horizontally placed at the moment, the liquid flow rate is fast enough, and the controller needs to reduce the liquid flow rate; if the first strain gauge and the second strain gauge are both sensitive and the third strain gauge is not sensitive, the hollow aluminum ball and the solid plastic ball are arranged in a relatively inclined manner, and at the moment, the liquid flow rate is normal; if the first strain gauge and the third strain gauge are both sensitive and the second strain gauge is not sensitive, the maximum inclination angle of the hollow aluminum ball and the solid plastic ball is set, and at the moment, the outlet of the dropping funnel is blocked by the hollow aluminum ball.
2. The special device for infusion care of claim 1, characterized in that: the water storage chamber (71) is L-shaped.
3. The special device for infusion care of claim 1, characterized in that: the solid plastic ball (127) is made of PET resin.
4. The special device for infusion care of claim 1, characterized in that: the mass of the hollow aluminum ball (126) is larger than that of the solid plastic ball (127), and the outer diameter of the hollow aluminum ball (126) is larger than that of the solid plastic ball (127).
5. The special device for infusion care of claim 1, characterized in that: the outer side walls of the hollow aluminum ball (126) and the solid plastic ball (127) are both provided with sterile plastic films.
6. The special device for infusion care of claim 1, characterized in that: the distance between the hollow aluminum ball (126) and the lever shaft (124) is equal to the distance between the solid plastic ball (127) and the lever shaft (124), and equal to the distance between the lever shaft (124) and the drip chamber outlet (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810566260.3A CN108543150B (en) | 2018-06-05 | 2018-06-05 | Special device for infusion nursing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810566260.3A CN108543150B (en) | 2018-06-05 | 2018-06-05 | Special device for infusion nursing |
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| Publication Number | Publication Date |
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| CN108543150A CN108543150A (en) | 2018-09-18 |
| CN108543150B true CN108543150B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810566260.3A Expired - Fee Related CN108543150B (en) | 2018-06-05 | 2018-06-05 | Special device for infusion nursing |
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| Publication number | Publication date |
|---|---|
| CN108543150A (en) | 2018-09-18 |
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Inventor after: Gu Xin Inventor after: Yang Yong Inventor after: Li Aixiang Inventor before: Li Aixiang |
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Effective date of registration: 20210508 Address after: 150040 Heping Road 24, Xiangfang District, Heilongjiang, Harbin Applicant after: HEILONGJIANG University OF CHINESE MEDICINE Address before: 272000 Jining second people's Hospital, north of Rencheng District Department store market, Jining City, Shandong Province Applicant before: Li Aixiang |
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