CN111012970A - Infusion support with adjustable dripping speed and control method thereof - Google Patents
Infusion support with adjustable dripping speed and control method thereof Download PDFInfo
- Publication number
- CN111012970A CN111012970A CN201911307275.9A CN201911307275A CN111012970A CN 111012970 A CN111012970 A CN 111012970A CN 201911307275 A CN201911307275 A CN 201911307275A CN 111012970 A CN111012970 A CN 111012970A
- Authority
- CN
- China
- Prior art keywords
- infusion
- side plate
- speed
- medicine
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001802 infusion Methods 0.000 title claims abstract description 195
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000003814 drug Substances 0.000 claims description 95
- 238000010438 heat treatment Methods 0.000 claims description 38
- 238000005070 sampling Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 22
- 238000013528 artificial neural network Methods 0.000 claims description 21
- 229940079593 drug Drugs 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 230000000638 stimulation Effects 0.000 claims description 9
- 230000004308 accommodation Effects 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 230000033764 rhythmic process Effects 0.000 claims description 6
- 230000007794 irritation Effects 0.000 claims description 5
- 238000010606 normalization Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- -1 vi+1 Substances 0.000 claims description 3
- 210000000707 wrist Anatomy 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 238000012549 training Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 238000003062 neural network model Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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
- A61M5/1414—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
- 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
- A61M5/14—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
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/04—Heartbeat characteristics, e.g. ECG, blood pressure modulation
- A61M2230/06—Heartbeat rate only
Landscapes
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a transfusion stand with adjustable dripping speed, which comprises: a support frame; the accommodating box is fixedly arranged at the top end of the supporting frame; a drop velocity adjustment device, comprising: the first side plate and the second side plate are of right-angled trapezoid structures and are arranged in parallel at intervals; the baffle is vertically arranged on one side of a right-angle edge of the first side plate and the second side plate, one radial side of the baffle is hinged with the second side plate, and the other side of the baffle is detachably connected with the first side plate and is used for placing and taking out the infusion tube; the sliding chute is obliquely arranged on the first side plate; the rotating shaft is arranged between the first side plate and the second side plate, and one end of the rotating shaft penetrates through the sliding groove; the adjusting block is cylindrical, is coaxially fixed and is sleeved on the rotating shaft between the first side plate and the second side plate, can move along the axial direction of the sliding groove, and is used for adjusting the dropping speed of the infusion tube. The invention provides a control method of an infusion support with adjustable dripping speed, which realizes the safety and comfort of infusion.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an infusion support with adjustable dripping speed and a control method thereof.
Background
In the medical care work, the infusion volume is very big, and general infusion drops at a speed of 50 ~ 60 drops per minute, and general special patient is about 40 drops like old person, the patient that has heart disease, the infusion of children etc. is general. The nurse generally faces the watch number to adjust, and the time and the labor are very consuming.
The Chinese patent 201810615939.7 discloses an adjustable multi-medium infusion dripping speed regulator, which comprises a flow regulator arranged at the center of the interior of a flow regulating bin, a plurality of capillary tubes are vertically arranged between the outer wall of an elastic cushion layer and the inner wall of the flow regulating bin, a rotary disc in the flow regulating bin rotates by rotating a knob, a pressure rod is further rotated to different gear clamping grooves, so that a pressing sheet presses the elastic cushion layer to force the elastic cushion layer to deform, the elastic cushion layer extrudes outwards to press the capillary tubes, and the opening number of capillary infusion tubes is controlled, so that the flow speed is regulated.
Chinese utility model 201820219221.1 discloses a surgical liquid dripping speed regulator, which is characterized in that bearing seats are fixedly connected at the centers of two sides of a liquid storage tank, a movable shaft is transversely arranged at one side corresponding to the two bearing seats, and a baffle is arranged on the surface of the movable shaft and in the inner cavity of the liquid storage tank. When the dropping speed of the liquid needs to be adjusted, the pull handle is pulled to take out the positioning rod, then the turntable is rotated, the movable shaft is driven to rotate through the rotation of the turntable, and the baffle is driven to rotate through the rotation of the movable shaft, so that the dropping speed is adjusted.
However, the devices all need to be adjusted manually, the dropping speed still needs to be confirmed by counting the number after adjustment, and the device still wastes time and labor until the required dropping speed is adjusted, and the substantial problems are not solved.
Disclosure of Invention
The invention aims to design and develop a transfusion stand with adjustable dripping speed, which automatically adjusts the dripping speed of liquid in a transfusion pipe through a dripping speed adjusting device, and is time-saving and labor-saving.
The invention also aims to design and develop a control method of the infusion support with the adjustable infusion speed, which improves the comfort and the safety of infusion by acquiring the vital signs and the environmental information of a patient and determining the infusion speed and the infusion temperature based on the BP neural network.
The invention can also determine the extension length of the telescopic rod of the adjusting cylinder and the heating temperature of the heating liquid according to the infusion dripping speed and the infusion temperature, so that the infusion is safer and more reliable.
The technical scheme provided by the invention is as follows:
an infusion support with adjustable dripping speed, comprising:
a support frame; and
the accommodating box is fixedly arranged at the top end of the support frame, the upper part of the accommodating box is of a hollow cylindrical structure, and the lower part of the accommodating box is of a hollow hemispherical structure and is used for accommodating and supporting an infusion bottle;
the through hole is formed in the center of the bottom of the containing box and used for allowing a bottle opening of the infusion bottle to penetrate through;
drip fast adjusting device, its fixed setting be in on the support frame for adjust and drip fast, it includes:
the first side plate and the second side plate are of right-angled trapezoid structures and are arranged in parallel at intervals;
the baffle is vertically arranged on one side of a right-angle edge of the first side plate and the second side plate, one radial side of the baffle is hinged with the second side plate, and the other side of the baffle is detachably connected with the first side plate and is used for placing and taking out the infusion tube;
the sliding chute is obliquely arranged on the first side plate;
the rotating shaft is arranged between the first side plate and the second side plate, and one end of the rotating shaft penetrates through the sliding groove;
the adjusting block is cylindrical, is coaxially and fixedly sleeved on the rotating shaft between the first side plate and the second side plate, can axially move along the sliding groove, and is used for adjusting the dropping speed of the infusion tube;
and one end of a cylinder body of the adjusting cylinder is fixedly arranged on the first side plate, and one end of a piston rod can rotatably penetrate through the rotating shaft and is used for driving the rotating shaft to move along the axial direction of the chute.
Preferably, the dropping speed adjusting means further comprises:
the slideway is obliquely arranged on the inner side surface of the first side plate;
a rack disposed on a side of the slide;
the gear is arranged on the slide way and is meshed with the rack;
wherein the slideway is parallel to the chute; the gear is coaxially and fixedly sleeved on the rotating shaft.
Preferably, the accommodating box is a cavity structure, which comprises:
a heating fluid disposed within the cavity structure;
one end of the heating rod extends into the cavity structure, and the other end of the heating rod penetrates out of the accommodating box and is used for heating the heating liquid;
and the power supply is connected with the heating rod and used for supplying power to the heating rod.
Preferably, the support frame comprises:
a supporting seat; and
the electric telescopic rod is vertically arranged on the supporting seat;
wherein, hold the box fixed setting in electric telescopic handle top.
Preferably, the method further comprises the following steps:
the clamping hook is fixedly arranged in the middle of one side of the first side plate close to the baffle;
one end of the clamping rod is hinged with the baffle and can turn over around the baffle in the axial direction;
one end of the buckle is hinged with the clamping rod, and the other end of the buckle is matched with the clamping hook to realize the detachable connection of the baffle and the first side plate;
the heart rate detection bracelet is sleeved on the wrist of the patient and used for detecting the heart rate of the patient;
a temperature sensor provided on an inner wall surface of the accommodation box for detecting an internal temperature of the accommodation box;
the weight sensor is arranged at the through hole and used for detecting the weight change of the infusion bottle;
the pair of infrared sensors are respectively arranged at one end of the cylinder body close to the piston rod and the top end of the piston rod and used for detecting the extending length of the piston rod;
the alarm device is connected with the weight sensor and is used for receiving the detection data of the weight sensor and giving an alarm;
the controller, its with temperature sensor, weight sensor, infrared sensor, rhythm of the heart detect the bracelet, adjust cylinder and power connection for receive the detection data of temperature sensor, weight sensor, infrared sensor and rhythm of the heart detect the bracelet, and control adjust cylinder and power work.
A control method of an infusion support with adjustable infusion speed collects vital signs and environmental information of a patient, and determines the infusion dripping speed and the infusion temperature based on a BP neural network, and comprises the following steps:
step one, inputting the age A of a patientgAnd the stimulation intensity delta of the infusion medicine, and the heart rate of the patient is acquired through a sensor according to the sampling period
Indoor temperature TeAnd the rest m of the infusion mediciner；
Step two, sequentially aging the patient AgAnd the stimulation intensity delta of the infusion drug, the heart rate of the patient
Indoor temperature TeAnd the rest m of the infusion medicinerNormalizing to determine the input layer vector x ═ x of three-layer BP neural network1，x2，x3，x4，x5}; wherein x is1Is the age factor, x, of the patient2Is the irritation intensity coefficient, x, of the infusion medicine3Is the patient's heart rate coefficient, x4Is the indoor temperature coefficient, x5Is the residual coefficient of the infusion medicine;
step three, the input layer vector is mapped to a middle layer, and the middle layer vector y is { y ═ y1，y2，…，ym}; m is the number of intermediate layer nodes;
step four, obtaining an output layer vector z ═ z1，z2}; wherein z is1For regulating the dropping speed of the infusion drug, z2Regulating the temperature coefficient of the infusion medicine
vi+1＝z1 ivmax，
Ti+1＝z2 iTmax，
Wherein z is1 i、z2 iOutput layer vector parameters, v, for the ith sampling period, respectivelymax、TmaxRespectively the set maximum dropping speed of the infusion medicine, the maximum temperature of the infusion medicine, vi+1、Ti+1The dropping speed of the infusion medicine and the temperature of the infusion medicine in the (i + 1) th sampling period are respectively; and
in step two, the patient's age AgAnd the stimulation intensity delta of the infusion drug, the heart rate of the patient
Indoor temperature TeAnd the rest m of the infusion medicinerThe normalization formula is:
wherein x isjFor parameters in the input layer vector, XjRespectively is a measurement parameter Ag、δ、
Te、mr，j＝1，2，3，4，5；XjmaxAnd XjminRespectively, a maximum value and a minimum value in the corresponding measured parameter.
Preferably, in the first step, in the initial operation state, the dropping speed of the infusion drug and the temperature of the infusion drug satisfy empirical values:
v0＝0.35vmax，
T0＝Te，
wherein v is0、T0The initial dropping speed of the infusion medicine and the initial temperature of the infusion medicine are respectively.
Preferably, the extension length of the telescopic rod of the adjusting cylinder is determined according to the dropping speed of the infusion medicine, and the extension length satisfies the following conditions:
wherein d is the extension length of the telescopic rod of the adjusting cylinder, r is the radius of the infusion tube, ξ is a correction coefficient, v is the dropping speed of the infusion medicinemaxIs the maximum dropping speed v of the infusion medicineminFor the minimum dropping speed of the infusion medicine, /)0The distance between a tangent plane parallel to the limiting block close to the baffle and the baffle when the infusion medicine is at the minimum dripping speed, and h is the length of the chute.
Preferably, the heating temperature of the heating liquid is determined according to the temperature of the infusion medicine, and the following conditions are satisfied:
wherein, TaIn order to heat the heating temperature of the liquid,
is the standard heart rate, e is the base of the natural logarithm, vAThe unit dropping speed is D, the inner diameter of the containing box is D, the outer diameter of the infusion bottle is D, and the temperature of the infusion medicine is T.
Preferably, the infusion alarm device is characterized in that when the detection data of the weight sensor is not changed any more, the infusion is finished, and the alarm device gives an alarm.
The invention has the following beneficial effects:
(1) the infusion support with the adjustable dripping speed is designed and developed, the dripping speed of liquid in the infusion tube is automatically adjusted through the dripping speed adjusting device, and time and labor are saved.
(2) The control method of the infusion support with the adjustable infusion speed, which is designed and developed by the invention, improves the comfort and the safety of infusion by acquiring the vital signs and the environmental information of a patient and determining the infusion speed and the infusion temperature based on a BP neural network. The invention can also determine the extension length of the telescopic rod of the adjusting cylinder and the heating temperature of the heating liquid according to the infusion dripping speed and the infusion temperature, so that the infusion is safer and more reliable.
Drawings
Fig. 1 is a schematic structural view of an infusion support with adjustable dripping speed.
Fig. 2 is a schematic structural view of the infusion support with adjustable dripping speed.
Fig. 3 is a schematic structural diagram of the dropping speed adjusting device according to the present invention.
Fig. 4 is a schematic structural diagram of the dropping speed adjusting device according to the present invention.
Fig. 5 is a schematic structural diagram of the dropping speed adjusting device according to the present invention.
Fig. 6 is a schematic view of the dropping speed regulator of the present invention with the second side plate removed.
Fig. 7 is a schematic structural view of the dropping speed regulator of the present invention with the second side plate and the regulating block removed.
Fig. 8 is an enlarged view of a part of the connection between the baffle and the first side plate of the dripping speed adjusting device.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather as being provided for the purpose of illustration and description. In the drawings, the size and relative sizes of structures and regions may be exaggerated for clarity.
As shown in fig. 1 to 8, the present invention provides an infusion support with adjustable dripping speed, comprising: a support frame 110; the accommodating box 120 is fixedly arranged at the top end of the support frame 110, the upper part of the accommodating box 120 is of a hollow cylindrical structure, and the lower part of the accommodating box is of a hollow hemispheroid structure and is used for accommodating and supporting an infusion bottle; the center of the bottom of the containing box 120 is provided with a through hole 121 for the bottle mouth of the infusion bottle to pass through. The dropping speed adjusting device 130 is fixedly connected with the support frame 110 and is used for the penetration of the infusion tube, and the dropping speed adjustment of the infusion tube is realized by extruding the infusion tube.
The dripping speed adjusting device comprises a first side plate 131 and a second side plate 132 which are in a right-angle trapezoidal structure and are arranged in parallel at intervals; a baffle 133 is vertically arranged on one side of the right angle edge of the first side plate 131 and the second side plate 132, one radial side of the baffle 133 is hinged with the second side plate 132, and the other side of the baffle is detachably connected with the first side plate 131 for placing and taking out the infusion tube. A sliding groove 134 is obliquely arranged on the first side plate 131, a rotating shaft 135 is arranged between the first side plate 131 and the second side plate 132, and one end of the rotating shaft 135 penetrates through the sliding groove 134. An adjusting block 136 is coaxially and fixedly sleeved on the rotating shaft 135 between the first side plate 131 and the second side plate 132, is cylindrical, and can axially move along the chute 134 under the driving of the rotating shaft 135 to adjust the dropping speed of the infusion tube; an adjusting cylinder 200 is fixedly arranged on the first side plate 131, one end of a cylinder body of the adjusting cylinder is fixedly arranged on the first side plate 131, one end of a piston rod can rotatably penetrate through the rotating shaft 135, the rotating shaft 135 is driven to further drive the adjusting block 136 to axially move along the sliding groove 134 through the extension and retraction of the piston rod, the extrusion of the infusion tube is completed, and the dropping speed of the infusion tube is adjusted.
As another embodiment of the present invention, the dropping speed adjusting device 130 further includes: a slide 137 obliquely disposed on an inner side surface of the first side plate 131; a rack 138 is provided on the side of the slide 137, and a pinion 139 that meshes with the rack 138 is provided on the slide 137. The slideway 137 is parallel to the chute 134, and the gear 139 is coaxially and fixedly sleeved on the rotating shaft 135. Through piston rod drive pivot 135 along spout 134 circumferential motion, and then drive gear 139 along slide 137 and rack 138 meshing motion for regulating block 136 is more stable when following spout 134 axial motion, the phenomenon of position drift can not appear, makes the liquid pipe dropping speed adjust more accurately.
As another embodiment of the present invention, the accommodating case 120 is a cavity structure, which includes a heating liquid (not shown in the figure) disposed inside the cavity structure; a heating rod (not shown) having one end extending into the cavity structure and the other end extending out of the container 120 is used for heating the heating liquid. The heating device further comprises a power supply which is connected with the heating rod and used for supplying power to the heating rod and heating the heating liquid.
As another embodiment of the present invention, the supporting frame 110 includes a supporting base 111; the electric telescopic rod 112 is vertically arranged on the supporting seat 111; the accommodating box 120 is fixedly arranged at the top of the electric telescopic rod. When the electric telescopic rod 111 is shortened, medical staff can place an infusion bottle and an infusion tube conveniently, and after the electric telescopic rod 111 is placed, the electric telescopic rod is adjusted to extend to a proper height to start infusion.
As another embodiment of the present invention, a hook 1331 is further included, which is fixedly disposed at the middle of one side of the first side plate 131 close to the baffle 133; a clamping rod 1332, one end of which is hinged with the baffle 133 and can be turned over around the baffle 133 axially; one end of the buckle 1333 is hinged to the clamping rod 1332, and the other end of the buckle 1333 is matched with the clamping hook 1331, so that the baffle 133 and the first side plate 131 can be detachably connected. When the clamping rod 1332 rotates towards the first side plate 131 around the baffle axial direction, the buckle 1333 and the hook 1331 are relatively released, so that the buckle 1333 can be taken down from the hook 1331, and the baffle 133 is opened relative to the first side plate 131; when the buckle 1333 is disposed on the hook 1331 and the clamping rod 1332 is rotated around the baffle 133 in the axial direction away from the first side plate 131, the buckle 1333 and the hook 1331 are tightened relatively, so that the baffle 133 is connected with the first side plate 131.
In this embodiment, the device further comprises a heart rate detection bracelet, which is worn on the wrist of the patient and used for detecting the heart rate of the patient; a temperature sensor provided on an inner wall surface of the accommodation box 120 for detecting an inside temperature of the accommodation box; the weight sensor is arranged at the through hole 121 and used for detecting the weight change of the infusion bottle; the pair of infrared sensors are respectively arranged at one end of the cylinder body close to the piston rod and the top end of the piston rod and are used for detecting the extending length of the piston rod; the alarm device is connected with the weight sensor and is used for receiving the detection data of the weight sensor and giving an alarm; the controller, it detects the bracelet with temperature sensor, weight sensor, infrared sensor, rhythm of the heart, and adjust cylinder and power connection for receive the detection data that temperature sensor, weight sensor, infrared sensor and rhythm of the heart detected the bracelet, and control adjust cylinder and power work.
The infusion support with the adjustable dripping speed is designed and developed, the dripping speed of liquid in the infusion tube is automatically adjusted through the dripping speed adjusting device, and time and labor are saved.
The invention also provides a control method of the infusion support with adjustable dripping speed, which collects the vital signs and environmental information of a patient and determines the infusion dripping speed and the infusion temperature based on the BP neural network, and comprises the following steps:
step one, establishing a BP neural network model;
the BP neural network system structure adopted by the invention is composed of three layers, wherein the first layer is an input layer, n nodes are provided in total, n detection signals representing the working state of the equipment are correspondingly provided, and the signal parameters are given by a data preprocessing module. The second layer is a hidden layer, and has m nodes, and is determined by the training process of the network in a self-adaptive mode. The third layer is an output layer, p nodes are provided in total, and the output is determined by the response actually needed by the system.
The mathematical model of the network is:
inputting a layer vector: x ═ x1，x2，…，xn)T
Intermediate layer vector: y ═ y1，y2，…，ym)T
Outputting a layer vector: z is (z)1，z2，…，zp)T
In the invention, the number of nodes of the input layer is n-5, and the number of nodes of the output layer is p-2. The number m of hidden layer nodes is estimated by the following formula:
according to the sampling period, the input 5 parameters are x1Is the age factor, x, of the patient2Is the irritation intensity coefficient, x, of the infusion medicine3Is the patient's heart rate coefficient, x4Is the indoor temperature coefficient, x5Is the residual coefficient of the infusion medicine;
the data acquired by the sensors belong to different physical quantities, and the dimensions of the data are different. Therefore, the data needs to be normalized to a number between 0-1 before it is input into the neural network.
In particular, for the age of the patientAgNormalized to obtain the age coefficient x of the patient1：
Wherein A isgmaxAnd AgminThe patient's maximum and minimum age, respectively.
Similarly, the stimulation intensity of the infusion drug δ is normalized to obtain the stimulation intensity coefficient x of the infusion drug2：
Wherein, deltaminAnd deltamaxThe minimum irritation strength and the maximum irritation strength of the infusion medicine are respectively.
For the heart rate of the patient
After normalization, the heart rate coefficient x of the patient is obtained3：
Wherein,
and
respectively the minimum and maximum of the patient's heart rate.
For indoor temperature TeNormalized to obtain the indoor temperature coefficient x4：
Wherein, TeminAnd TemaxRespectively, a minimum value and a maximum value of the indoor temperature.
For the residual amount m of the infusion medicinerAfter normalization, the residue coefficient x of the infusion medicine is obtained5：
Wherein m isrminAnd mrmaxRespectively the minimum value and the maximum value of the infusion medicine residual quantity.
The 2 parameters of the output signal are respectively expressed as: z is a radical of1For regulating the dropping speed of the infusion drug, z2The temperature regulating coefficient of the infusion medicine is obtained,
dropping speed regulating coefficient z of infusion medicine1Expressed as the ratio of the dropping speed of the infusion medicine in the next sampling period to the maximum dropping speed set in the current sampling period, i.e. in the ith sampling period, the collected dropping speed is viOutputting the dropping speed regulating coefficient z of the ith sampling period through a BP neural network1 iThen, the dropping speed in the (i + 1) th sampling period is controlled to be vi+1So that it satisfies vi+1＝z1 ivmax；
Temperature regulation coefficient z of infusion medicine2Expressed as the ratio of the temperature of the infusion medicine in the next sampling period to the maximum temperature set in the current sampling period, i.e. the temperature of the collected infusion medicine in the ith sampling period is TiOutputting the temperature regulating coefficient z of the infusion medicine of the ith sampling period through a BP neural network2 iThen, the temperature of the infusion medicine in the (i + 1) th sampling period is controlled to be Ti+1So that it satisfies Ti+1＝z2 iTmax；
Step two: and (5) training the BP neural network.
After the BP neural network node model is established, the training of the BP neural network can be carried out. Obtaining training samples according to empirical data of the product, and giving a connection weight w between an input node i and a hidden layer node jijConnection weight w between hidden layer node j and output layer node kjkThreshold of hidden layer node jValue thetajThreshold value w of node k of output layerij、wjk、θj、θkAre all random numbers between-1 and 1.
Continuously correcting w in the training processijAnd wjkUntil the system error is less than or equal to the expected error, the training process of the neural network is completed.
As shown in table 1, a set of training samples is given, along with the values of the nodes in the training process.
TABLE 1 training Process node values
Step three, collecting data operation parameters and inputting the data operation parameters into a neural network to obtain a regulation and control coefficient;
the trained artificial neural network is solidified in the chip, so that the hardware circuit has the functions of prediction and intelligent decision making, and intelligent hardware is formed. After the intelligent hardware is powered on and started, the infusion support starts to operate, the initial dropping speed of the infusion medicines and the initial temperature of the infusion medicines meet empirical values: v. of0＝0.35vmax，T0＝Te(ii) a Wherein v is0、T0The initial dropping speed of the infusion medicine and the initial temperature of the infusion medicine are respectively.
At the same time, the age A of the patient is enteredgAnd the stimulation intensity delta of the infusion drug, measuring the initial heart rate of the patient using a sensor
Indoor initial temperature Te0And the initial residual amount m of the infusion mediciner0Normalizing the parameters to obtain an initial input vector of the BP neural network
Obtaining an initial through operation of a BP neural networkOutput vector
Step four: obtaining an initial output vector
Then, the dropping speed of the infusion medicine and the temperature of the infusion medicine can be adjusted, so that the dropping speed of the infusion medicine and the temperature of the infusion medicine in the next sampling period are respectively as follows:
v1＝z1 0vmax；
T1＝z2 0Tmax；
acquiring the heart rate of the patient in the ith sampling period by a sensor
Indoor temperature TeAnd the rest m of the infusion medicinerAn input vector x of the ith sampling period is obtained by normalizationi＝(x1 i，x2 i，x3 i，x4 i，x5 i) Obtaining an output vector z of the ith sampling period through the operation of a BP neural networki＝(z1 i，z2 i) Then controlling and adjusting the dropping speed of the infusion medicine and the temperature of the infusion medicine to ensure that the dropping speed of the infusion medicine and the temperature of the infusion medicine in the (i + 1) th sampling period are respectively as follows:
vi+1＝z1 ivmax，
Ti+1＝z2 iTmax，
wherein z is1 i、z2 iOutput layer vector parameters, v, for the ith sampling period, respectivelymax、TmaxRespectively the set maximum dropping speed of the infusion medicine, the maximum temperature of the infusion medicine, vi+1、Ti+1The dropping speed of the infusion medicine and the infusion medicine in the (i + 1) th sampling periodAnd (3) temperature.
Through the arrangement, the physiological state and the infusion condition of a patient are monitored in real time through the sensor, and the dripping speed of infusion medicines and the temperature of the infusion medicines are regulated and controlled by adopting a BP neural network algorithm to reach the optimal state, so that the comfort and the safety of infusion are improved.
Then, the extension length of the telescopic rod of the adjusting cylinder is determined according to the dropping speed of the infusion medicine, and the extension length meets the following requirements:
wherein d is the extension length of the telescopic rod of the adjusting cylinder, r is the radius of the infusion tube, ξ is a correction coefficient, v is the dropping speed of the infusion medicinemaxIs the maximum dropping speed v of the infusion medicineminFor the minimum dropping speed of the infusion medicine, /)0The distance between a tangent plane parallel to the limiting block close to the baffle and the baffle when the infusion medicine is at the minimum dripping speed, and h is the length of the chute.
Determining the heating temperature of the heating liquid according to the temperature of the infusion medicine to meet the following requirements:
wherein, TaIn order to heat the heating temperature of the liquid,
is the standard heart rate, e is the base of the natural logarithm, vAThe unit dropping speed is D, the inner diameter of the containing box is D, the outer diameter of the infusion bottle is D, and the temperature of the infusion medicine is T.
When the detection data of the weight sensor is not changed any more, the transfusion medicine is completely transfused, and the alarm device gives an alarm to remind medical personnel of needle pulling operation.
The control method of the infusion support with the adjustable infusion speed, which is designed and developed by the invention, improves the comfort and the safety of infusion by acquiring the vital signs and the environmental information of a patient and determining the infusion speed and the infusion temperature based on a BP neural network. The invention can also determine the extension length of the telescopic rod of the adjusting cylinder and the heating temperature of the heating liquid according to the infusion dripping speed and the infusion temperature, so that the infusion is safer and more reliable.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. A drip speed adjustable infusion support is characterized by comprising:
a support frame; and
the accommodating box is fixedly arranged at the top end of the support frame, the upper part of the accommodating box is of a hollow cylindrical structure, and the lower part of the accommodating box is of a hollow hemispherical structure and is used for accommodating and supporting an infusion bottle;
the through hole is formed in the center of the bottom of the containing box and used for allowing a bottle opening of the infusion bottle to penetrate through;
drip fast adjusting device, its fixed setting be in on the support frame for adjust and drip fast, it includes:
the first side plate and the second side plate are of right-angled trapezoid structures and are arranged in parallel at intervals;
the baffle is vertically arranged on one side of a right-angle edge of the first side plate and the second side plate, one radial side of the baffle is hinged with the second side plate, and the other side of the baffle is detachably connected with the first side plate and is used for placing and taking out the infusion tube;
the sliding chute is obliquely arranged on the first side plate;
the rotating shaft is arranged between the first side plate and the second side plate, and one end of the rotating shaft penetrates through the sliding groove;
the adjusting block is cylindrical, is coaxially and fixedly sleeved on the rotating shaft between the first side plate and the second side plate, can axially move along the sliding groove, and is used for adjusting the dropping speed of the infusion tube;
and one end of a cylinder body of the adjusting cylinder is fixedly arranged on the first side plate, and one end of a piston rod can rotatably penetrate through the rotating shaft and is used for driving the rotating shaft to move along the axial direction of the chute.
2. The drip speed adjustable infusion support of claim 1, wherein the drip speed adjusting device further comprises:
the slideway is obliquely arranged on the inner side surface of the first side plate;
a rack disposed on a side of the slide;
the gear is arranged on the slide way and is meshed with the rack;
wherein the slideway is parallel to the chute; the gear is coaxially and fixedly sleeved on the rotating shaft.
3. The infusion support with adjustable dripping speed according to claim 1 or 2, wherein the accommodating box is a cavity structure and comprises:
a heating fluid disposed within the cavity structure;
one end of the heating rod extends into the cavity structure, and the other end of the heating rod penetrates out of the accommodating box and is used for heating the heating liquid;
and the power supply is connected with the heating rod and used for supplying power to the heating rod.
4. The drip speed adjustable infusion support of claim 3, wherein the support frame comprises:
a supporting seat; and
the electric telescopic rod is vertically arranged on the supporting seat;
wherein, hold the box fixed setting in electric telescopic handle top.
5. The drip speed adjustable infusion support of claim 4, further comprising:
the clamping hook is fixedly arranged in the middle of one side of the first side plate close to the baffle;
one end of the clamping rod is hinged with the baffle and can turn over around the baffle in the axial direction;
one end of the buckle is hinged with the clamping rod, and the other end of the buckle is matched with the clamping hook to realize the detachable connection of the baffle and the first side plate;
the heart rate detection bracelet is sleeved on the wrist of the patient and used for detecting the heart rate of the patient;
a temperature sensor provided on an inner wall surface of the accommodation box for detecting an internal temperature of the accommodation box;
the weight sensor is arranged at the through hole and used for detecting the weight change of the infusion bottle;
the pair of infrared sensors are respectively arranged at one end of the cylinder body close to the piston rod and the top end of the piston rod and used for detecting the extending length of the piston rod;
the alarm device is connected with the weight sensor and is used for receiving the detection data of the weight sensor and giving an alarm;
the controller, its with temperature sensor, weight sensor, infrared sensor, rhythm of the heart detect the bracelet, adjust cylinder and power connection for receive the detection data of temperature sensor, weight sensor, infrared sensor and rhythm of the heart detect the bracelet, and control adjust cylinder and power work.
6. A control method of an infusion support with adjustable infusion speed is characterized by collecting vital signs and environmental information of a patient and determining the infusion speed and infusion temperature based on a BP neural network, and comprises the following steps:
step one, inputting the age A of a patientgAnd the stimulation intensity delta of the infusion medicine, and the heart rate of the patient is acquired through a sensor according to the sampling period
Indoor temperature TeAnd the rest m of the infusion mediciner；
Step two, in sequenceAge of patient AgAnd the stimulation intensity delta of the infusion drug, the heart rate of the patient
Indoor temperature TeAnd the rest m of the infusion medicinerNormalizing to determine the input layer vector x ═ x of three-layer BP neural network1,x2,x3,x4,x5}; wherein x is1Is the age factor, x, of the patient2Is the irritation intensity coefficient, x, of the infusion medicine3Is the patient's heart rate coefficient, x4Is the indoor temperature coefficient, x5Is the residual coefficient of the infusion medicine;
step three, the input layer vector is mapped to a middle layer, and the middle layer vector y is { y ═ y1,y2,…,ym}; m is the number of intermediate layer nodes;
step four, obtaining an output layer vector z ═ z1,z2}; wherein z is1For regulating the dropping speed of the infusion drug, z2Regulating the temperature coefficient of the infusion medicine
vi+1＝z1 ivmax，
Ti+1＝z2 iTmax，
Wherein z is1 i、z2 iOutput layer vector parameters, v, for the ith sampling period, respectivelymax、TmaxRespectively the set maximum dropping speed of the infusion medicine, the maximum temperature of the infusion medicine, vi+1、Ti+1The dropping speed of the infusion medicine and the temperature of the infusion medicine in the (i + 1) th sampling period are respectively; and
in step two, the patient's age AgAnd the stimulation intensity delta of the infusion drug, the heart rate of the patient
Indoor temperature TeAnd the rest m of the infusion medicinerThe normalization formula is:
wherein x isjFor parameters in the input layer vector, XjRespectively is a measurement parameter Ag、δ、
Te、mr，j＝1,2,3,4,5；XjmaxAnd XjminRespectively, a maximum value and a minimum value in the corresponding measured parameter.
7. The method for controlling an infusion support with adjustable infusion speed according to claim 6, wherein in the first step, the infusion speed and the infusion temperature satisfy empirical values:
v0＝0.35vmax，
T0＝Te，
wherein v is0、T0The initial dropping speed of the infusion medicine and the initial temperature of the infusion medicine are respectively.
8. The control method of the infusion support with the adjustable dripping speed as claimed in claim 6 or 7, wherein the extension length of the telescopic rod of the adjusting cylinder is determined according to the dripping speed of the infusion medicine to satisfy the following conditions:
wherein d is the extension length of the telescopic rod of the adjusting cylinder, r is the radius of the infusion tube, ξ is a correction coefficient, v is the dropping speed of the infusion medicinemaxIs the maximum dropping speed v of the infusion medicineminFor the minimum dropping speed of the infusion medicine, /)0The distance between a tangent plane parallel to the limiting block close to the baffle and the baffle when the infusion medicine is at the minimum dripping speed, and h is the length of the chute.
9. The control method of the infusion support with the adjustable dripping speed as claimed in claim 6 or 7, wherein the heating temperature of the heating liquid is determined according to the temperature of the infusion medicine, and the following conditions are satisfied:
wherein, TaIn order to heat the heating temperature of the liquid,
is the standard heart rate, e is the base of the natural logarithm, vAThe unit dropping speed is D, the inner diameter of the containing box is D, the outer diameter of the infusion bottle is D, and the temperature of the infusion medicine is T.
10. The method for controlling a drip speed adjustable infusion support according to claim 6 or 7, wherein when the detected data of the weight sensor is not changed any more, the infusion of the medicine is finished and the alarm device gives an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911307275.9A CN111012970A (en) | 2019-12-18 | 2019-12-18 | Infusion support with adjustable dripping speed and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911307275.9A CN111012970A (en) | 2019-12-18 | 2019-12-18 | Infusion support with adjustable dripping speed and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111012970A true CN111012970A (en) | 2020-04-17 |
Family
ID=70210220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911307275.9A Pending CN111012970A (en) | 2019-12-18 | 2019-12-18 | Infusion support with adjustable dripping speed and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111012970A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205988443U (en) * | 2016-06-25 | 2017-03-01 | 浙江大学医学院附属邵逸夫医院 | A kind of transfusion and blood transfusion actuator |
| CN106860970A (en) * | 2017-03-27 | 2017-06-20 | 京东方科技集团股份有限公司 | Transfusion speed controller, transfusion monitoring system and its operating method |
| WO2018026063A1 (en) * | 2016-08-03 | 2018-02-08 | 주식회사 한빛엠디 | Infusion flow-rate measuring and regulating device |
| CN107998477A (en) * | 2017-12-26 | 2018-05-08 | 徐州仁和医疗科技有限公司 | A kind of Medical infusion hook stent |
| CN108478903A (en) * | 2018-04-16 | 2018-09-04 | 佛山市恩正生物医药科技有限公司 | A kind of paediatrics liquid dropping speed adjuster |
| CN108969843A (en) * | 2018-06-14 | 2018-12-11 | 南京市妇幼保健院 | A kind of adjustable multimedium infusion dropping speed regulator |
| CN211797998U (en) * | 2019-12-18 | 2020-10-30 | 华中科技大学同济医学院附属协和医院 | Infusion support with adjustable dripping speed |
-
2019
- 2019-12-18 CN CN201911307275.9A patent/CN111012970A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205988443U (en) * | 2016-06-25 | 2017-03-01 | 浙江大学医学院附属邵逸夫医院 | A kind of transfusion and blood transfusion actuator |
| WO2018026063A1 (en) * | 2016-08-03 | 2018-02-08 | 주식회사 한빛엠디 | Infusion flow-rate measuring and regulating device |
| CN106860970A (en) * | 2017-03-27 | 2017-06-20 | 京东方科技集团股份有限公司 | Transfusion speed controller, transfusion monitoring system and its operating method |
| CN107998477A (en) * | 2017-12-26 | 2018-05-08 | 徐州仁和医疗科技有限公司 | A kind of Medical infusion hook stent |
| CN108478903A (en) * | 2018-04-16 | 2018-09-04 | 佛山市恩正生物医药科技有限公司 | A kind of paediatrics liquid dropping speed adjuster |
| CN108969843A (en) * | 2018-06-14 | 2018-12-11 | 南京市妇幼保健院 | A kind of adjustable multimedium infusion dropping speed regulator |
| CN211797998U (en) * | 2019-12-18 | 2020-10-30 | 华中科技大学同济医学院附属协和医院 | Infusion support with adjustable dripping speed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104800911B (en) | A kind of entembole homing device and its application method | |
| CN109464722A (en) | A kind of active pressure formula Intelligent transfusion apparatus, transfusion control system and control method | |
| CN210250757U (en) | Transfusion device fixing frame | |
| CN102872504A (en) | Portable infusion alarm control device and alarm control method thereof | |
| CN103007389A (en) | Vein infusion device and system based on fuzzy PI (Proportional Integral) control | |
| CN112169070A (en) | High-precision infusion device and infusion method | |
| CN113181537A (en) | Automatic nursing device for detecting and applying medicine to wound after surgical operation | |
| CN110812560A (en) | Manual peritoneal dialysis equipment | |
| CN111643776A (en) | Intelligent infusion control instrument and control method thereof | |
| CN111012970A (en) | Infusion support with adjustable dripping speed and control method thereof | |
| CN211797998U (en) | Infusion support with adjustable dripping speed | |
| CN104524665A (en) | Medical infusion monitoring device | |
| CN115252961A (en) | Clinical drip infusion heating and flow rate monitoring system | |
| CN209951945U (en) | Infusion dripping speed display control device | |
| CN211584658U (en) | Automatic dropping speed monitoring and adjusting device of infusion apparatus drip cup | |
| CN113180971A (en) | Traditional Chinese medicine nursing device and control method | |
| CN204601228U (en) | A kind of intussusception homing device | |
| CN215840919U (en) | Intelligent alarm device for transfusion | |
| CN110960427A (en) | Enteral nutrition infusion device and control method thereof | |
| CN113041447A (en) | Paediatrics infusion intelligent monitoring and protection device convenient to adjust | |
| CN202875968U (en) | Portable infusion alarm control device | |
| CN220125234U (en) | Transfusion system | |
| CN217286699U (en) | Infusion support for intelligent medical care | |
| CN208710653U (en) | A kind of infusion apparatus | |
| CN114272466B (en) | Infusion structure with timing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |
|
| RJ01 | Rejection of invention patent application after publication |