CN115501416A - Self-control adjustable electronic infusion pump control method and self-control adjustable electronic infusion pump - Google Patents

Self-control adjustable electronic infusion pump control method and self-control adjustable electronic infusion pump Download PDF

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Publication number
CN115501416A
CN115501416A CN202211184188.0A CN202211184188A CN115501416A CN 115501416 A CN115501416 A CN 115501416A CN 202211184188 A CN202211184188 A CN 202211184188A CN 115501416 A CN115501416 A CN 115501416A
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continuous flow
self
infusion
control single
single infusion
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严敏
陈姝怡
房丽丽
瞿雪芬
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Royal Fornia Medical Equipment Co ltd
Second Affiliated Hospital Zhejiang University College Of Medicine
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Royal Fornia Medical Equipment Co ltd
Second Affiliated Hospital Zhejiang University College Of Medicine
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Priority to CN202211184188.0A priority Critical patent/CN115501416A/en
Publication of CN115501416A publication Critical patent/CN115501416A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16804Flow controllers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16877Adjusting flow; Devices for setting a flow rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M2005/1401Functional features
    • A61M2005/1405Patient controlled analgesia [PCA]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3334Measuring or controlling the flow rate

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a self-control adjustable electronic infusion pump control method and a self-control adjustable electronic infusion pump, wherein the control method comprises the steps of configuring the continuous flow of self-control single infusion, the time period of a trigger key and the mapping relation of the trigger key; acquiring the times of triggering the key in a set time period of triggering the key, executing corresponding self-control single infusion, increasing the continuous flow of the corresponding self-control single infusion by a preset value, and storing data; and acquiring the time for triggering the key, executing corresponding self-control single infusion if the key is not triggered in a certain period, and storing data, wherein the continuous flow of the corresponding self-control single infusion is decreased progressively according to a preset value. The invention greatly improves the accuracy, safety and nursing quality of infusion, effectively lightens the workload of medical staff and improves the working efficiency of the medical staff.

Description

Self-control adjustable electronic infusion pump control method and self-control adjustable electronic infusion pump
Technical Field
The invention relates to the technical field of medical instrument infusion control, in particular to a self-control adjustable electronic infusion pump control method and a self-control adjustable electronic infusion pump.
Background
The electronic infusion pump is an intelligent micro infusion device and generally comprises a pump body, a medicine storage device and an infusion pipeline, wherein the pump body pumps a fluid medium in the medicine storage device into the infusion pipeline through any one or more of single infusion, pulse infusion and continuous infusion. The intelligent micro infusion device also comprises a self-control liquid feeding device (PCA), when a patient feels that the Analgesia is insufficient and the dosage needs to be increased, a temporary dosage (bolus) can be added by pressing a PCA button so as to meet the requirement of Analgesia.
During infusion, there may be sensitivity differences in some patients, a set basal flow (i.e., background flow) that does not meet the analgesic needs, and additional doses are required to relieve pain. The additional increase or decrease in dose is referred to as sustained flow.
In the prior art, the value of the continuous flow is a fixed value and does not change, and when a patient carries out the dosage adding, the temporary dosage is too small, and the pain relieving requirement can be met by adding for many times; it is also possible that the set background flow is too high, resulting in the patient experiencing excessive analgesia and requiring medical personnel to intervene to make adjustments. In addition, the PCA dose has a refilling time, the so-called lock-out time, of 15 minutes at most, and pressing the PCA button within the lock-out time is ineffective, and therefore, addition of the corresponding dose cannot be performed.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention provides a self-adjustable control method of an electronic infusion pump based on a background dosage automatic adjustment mechanism.
The invention adopts the following technical scheme: the self-controlled adjustable electronic infusion pump control method comprises the following steps:
step 1, configuring the continuous flow of self-control single infusion, the time period of a trigger key and the mapping relation of the trigger key;
step 2, acquiring the times of triggering the key in a set time period of triggering the key, if the times =1, executing corresponding self-control single infusion, wherein the continuous flow of the corresponding self-control single infusion comprises basic single flow, the rest of the self-control single infusion is increased progressively according to a preset value based on the basic single flow, and storing data;
if the times are more than 1, executing corresponding self-control single infusion, wherein the continuous flow of the corresponding self-control single infusion comprises the continuous flow of the current self-control single infusion, and the rest continuous flows based on the current self-control single infusion are increased by preset values and data are saved;
and 3, acquiring the time for triggering the key, executing corresponding self-control single infusion if the key is not triggered in a certain period, wherein the continuous flow of the corresponding self-control single infusion is the continuous flow of the current single infusion, or the continuous flow of the corresponding self-control single infusion is decreased by a preset value based on the continuous flow of the current self-control single infusion, and storing data.
Preferably, step 1 further comprises configuring a maximum limit value of the continuous flow;
comparing the continuous flow of the self-control single infusion in the step (2) with the maximum limit value of the continuous flow, and if the continuous flow exceeds the maximum limit value, carrying out infusion by using the maximum limit value of the continuous flow; if the value is lower than the maximum limit value, the corresponding continuous flow of the self-control single infusion is executed for infusion.
Preferably, step 1 further comprises configuring a minimum limit value of the continuous flow;
comparing the continuous flow of the self-control single infusion in the step (3) with the minimum limit value of the continuous flow, and if the continuous flow is lower than the minimum limit value, executing the minimum limit value of the continuous flow for infusion; if the flow rate is higher than the minimum limit value, the corresponding continuous flow rate of the self-control single infusion is executed for infusion.
Preferably, in step 2, if the number of times =1, the preset value is N times of the incremental amount; if the times are more than 1, the preset value is N-1 times of the incremental quantity; the increment is preset in advance, and N is an integer.
Preferably, the incremental change is set at 10% of the continuous flow of the currently performed self-controlled bolus infusion.
Preferably, in step 3, the preset value is a preset decrement.
Preferably, the time period for triggering the key is T; in step 3, if the key is not triggered within the time period T, continuing to execute the continuous flow of the current single infusion for infusion; if the time period T is exceeded and the key is not triggered, executing the continuous flow of the self-control single infusion after the preset value is decreased, and carrying out infusion.
The invention also provides a self-control adjustable electronic infusion pump, which responds to and executes the self-control adjustable electronic infusion pump control method.
Compared with the prior art, the invention has the following beneficial effects:
1. the control method of the self-control adjustable electronic infusion pump optimizes the PCA self-control analgesia mode, and automatically increases the continuous flow according to the acquired times of triggering the key; after the operation is carried out for a period of time, if the key information is not acquired, the continuous flow is automatically reduced so as to realize fine regulation and control, the dosage of the medicine is adjusted as required, the analgesic effect is ensured, the medicine is used economically, and the purpose of personalized infusion is realized;
2. according to the control method of the self-control adjustable electronic infusion pump, a small amount of liquid medicine is accurately, micro, uniformly and continuously infused, so that the infusion accuracy, safety and nursing quality are greatly improved, the workload of medical workers is effectively reduced, and the working efficiency of the medical workers is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings that need to be used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a flow chart of a method for controlling a self-controlled adjustable electronic infusion pump according to the present invention.
Fig. 2 is a two-axis plot of a continuous flow infusion curve versus a PAC infusion column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings in combination with the embodiments. It is to be understood that this description is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The control method of the self-control adjustable electronic infusion pump provided by the invention is carried out by adopting the electronic input pump, the electronic input pump is provided with a PCA device, and the PCA device and the electronic infusion pump adopt a wired or wireless connection mode. The patient can carry out the automatic control liquid feeding through the PCA device to increase the infusion amount of the analgesic drug, thereby achieving the purpose of relieving pain. As shown in fig. 1, the method for controlling an automatically-controlled adjustable electronic infusion pump includes:
step S1, setting parameters
Setting parameters such as basic single flow, the maximum limit value of continuous flow, the minimum limit value of continuous flow, increment, decrement, trigger key time period as T and the like; and configuring the continuous flow of the self-control single infusion, the time period of the trigger key, the maximum limit value of the continuous flow, the minimum limit value of the continuous flow and the mapping relation of the trigger key. In the present embodiment, T =1 hour. The increment is set at 10% of the continuous flow of the currently performed self-controlled bolus infusion;
step S2, infusion initiation
After the infusion parameters of the electronic infusion pump are finished, starting the electronic infusion pump to start infusion;
step S3, PAC pressing for the first time
After the electronic infusion pump is infused for a period of time according to the set basic single flow, when a patient feels that the analgesia is insufficient and needs to add the dose, the PAC button is pressed;
step S4, the continuous quantity is automatically increased
The system receives a signal of a trigger key, judges the number of times of the trigger key acquired in a time period T as the first time, executes corresponding self-control single infusion, generates a new continuous flow of the self-control single infusion based on the continuous flow of the basic single infusion and stores data, wherein the corresponding continuous flow of the self-control single infusion comprises basic single flow, and the rest of the continuous flow of the self-control single infusion is increased by a preset value based on the basic single flow. The preset value is N times of increment, and N is an integer;
step S5, comparing with the maximum continuous quantity limit value
The continuous flow of the new self-control single infusion generated by the system is compared with the maximum limit value of the continuous flow set by the system, and if the continuous flow exceeds the maximum limit value, the infusion is carried out by taking the set maximum limit value as the continuous flow; if the flow rate is lower than the maximum limit value, performing infusion at a new continuous flow rate of the self-control single infusion;
step S6, PCA pressing again
After the system infuses for a period of time according to the continuous flow of the self-controlled single infusion of step S4, the patient again presses PCA due to insufficient analgesia;
step S7, the continuous quantity is automatically increased
The system receives a signal of a trigger key, judges that the number of times of the trigger key acquired in a time period T is more than 1, executes corresponding self-control single infusion, and generates a new continuous flow of the self-control single infusion and stores data, wherein the corresponding continuous flow of the self-control single infusion comprises the continuous flow of the current self-control single infusion, and the rest continuous flows based on the current self-control single infusion are increased by preset values. The preset value is N-1 times of the increment;
step S8, comparing with the maximum continuous quantity limit value
The continuous flow of the new self-control single infusion generated by the system is compared with the maximum limit value of the continuous flow set by the system, and if the continuous flow exceeds the maximum limit value, the infusion is carried out by taking the set maximum limit value as the continuous flow; if the flow rate is lower than the maximum limit value, performing infusion at the continuous flow rate of the new self-control single infusion;
step S9, repeating the steps S6-S8;
step S10, PCA No-Press
If the system does not receive the PCA pressing signal within the first time period T after the infusion is started, judging that the continuous flow of the current single infusion meets the analgesia requirement of the patient, and maintaining the continuous flow of the current single infusion for infusion;
step S11, PCA continuous no-press
If the system does not receive a PCA compression signal within a second time period T after the infusion is started, judging that the continuous flow of the current single infusion is greater than the analgesia requirement of the patient;
step S12, reducing the continuous quantity
If the system does not receive the PCA pressing signal in the second time period T after the infusion is started, executing the corresponding self-control single infusion, wherein the continuous flow of the corresponding self-control single infusion is decreased according to the preset value based on the continuous flow of the current self-control single infusion, generating a new continuous flow of the self-control single infusion, and storing data. The preset value is a preset decrement amount in advance;
step S13, comparing with the minimum duration limit value
The continuous flow of the new self-control single infusion generated by the system is compared with the minimum limit value of the continuous flow set by the system, and if the continuous flow is lower than the minimum limit value, the minimum limit value of the continuous flow is executed for infusion; if the flow rate is higher than the minimum limit value, performing infusion at the continuous flow rate of the new self-control single infusion;
step S14, decreasing the continuation quantity again
When the time accumulated for infusion of the last lowered continuous flow of the self-control single infusion exceeds the time period T and the system does not receive the PCA pressing signal, the system continuously decreases the continuous flow of the current single infusion according to the set preset value to generate a new continuous flow of the self-control single infusion and store data. The system automatically reduces the continuous flow to prevent the excessive analgesia and ensure economic medication;
and step S15, repeating the steps S10-S14.
Example one
As shown in fig. 2, the black step line in fig. 2 represents the persistence amount and the plurality of discrete gray bar lines represent the PAC dose. After setting the infusion parameters (such as the continuous flow X, the maximum value Xmax of the continuous flow and the minimum value Xmin of the continuous flow) of the electronic infusion pump, the clinician sets the relevant parameters (such as the increment Y and the decrement D) of the continuous flow self-control adjustable function. Wherein the set continuous flow X is the basic single flow. The electronic infusion pump is then activated to administer the analgesic drug to the patient. After the electronic infusion pump infuses for a period of time according to a set continuous flow X, a patient feels that analgesia is insufficient, a PCA key is pressed to add the dosage, the PCA dosage (namely bolus dosage) is 0.5ml, meanwhile, the system monitors a PCA pressing signal, judges that the current continuous flow is insufficient to meet the requirement of the analgesia flow of the patient, the continuous flow (shown as a continuous flow) is adjusted and increased according to N times of a preset incremental quantity Y, N is an integer, a newly generated continuous flow value is X ' = X + N X Y, and if X ' < Xmax, the system infuses according to the new continuous flow X '.
Within 1 hour after the patient takes the first PCA dose, the patient presses the PCA button again due to insufficient analgesia, the system then adjusts the continuous flow again while the PCA dose is being administered, i.e., increases the incremental amount by N-1 times Y on the basis of X ', the newly generated continuous flow value is X "= X' + (N-1) Y = X + N Y + (N-1) Y, and if X" < Xmax at this time, the system infuses at the new continuous flow X ".
The incremental factor N is selectable, e.g., N =10. Generally set to be 4 and 3 times, and adjusted by adopting a rule of first-speed and second-speed, and the direction of change of the pain relief is consistent with the direction of change of the pain relief.
If the patient presses the PCA key for adding the dosage for a plurality of times in the subsequent time, the system increases the continuous flow according to the continuous flow self-control adjustable mechanism while carrying out PCA dosage infusion, and the continuous flow value after the continuous flow is increased once is more than or equal to X max According to X max Continuous flow infusion was performed.
The continuous flow can be automatically increased by pressing the PCA key, and the increase of the continuous flow follows the principle of going from fast to slow.
Example two
If the patient presses the PCA key for the first time, the system generates a new continuous flow X' = X + N Y while the infusion of PCA dosage is performed, and the drug infusion is performed according to the newly generated continuous flow. When the system continuously infuses for more than 1 hour according to the continuous flow X' and does not receive a new PCA signal, the system judges that the current continuous flow is too high and is larger than the analgesia requirement of the patient, the system automatically reduces the current continuous flow according to the set reduction quantity D, the newly generated continuous flow value is X "= X + N × Y-D, and if X" ≦ Xmin, the system infuses continuously according to Xmin.
If X 'is larger than Xmin, the system performs continuous flow infusion according to the newly generated X', if the patient still has no PCA key operation action in the next 1 hour, the system decreases again according to the decreasing amount of the continuous flow, and a new continuous flow is generated.
EXAMPLE III
If the patient stops pressing the PCA button for 2 hours or more, the continuous flow is decreased to the initial basal single flow by a dose-step per hour. During the continuous flow decrement, the adjustment mechanism restarts if the patient presses the PCA button again.
The invention also provides a self-control adjustable electronic infusion pump, which responds to and executes the self-control adjustable electronic infusion pump control method.
The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are also considered to be within the scope of the invention.

Claims (8)

1. A self-control adjustable electronic infusion pump control method is characterized in that: the method comprises the following steps:
step 1, configuring the continuous flow of self-control single infusion, the time period of a trigger key and the mapping relation of the trigger key;
step 2, acquiring the times of triggering the key in a set time period of triggering the key, if the times =1, executing corresponding self-control single infusion, wherein the continuous flow of the corresponding self-control single infusion comprises basic single flow, and the rest of the self-control single infusion is increased progressively according to a preset value based on the basic single flow, and storing data;
if the times are more than 1, executing corresponding self-control single infusion, wherein the continuous flow of the corresponding self-control single infusion comprises the continuous flow of the current self-control single infusion, and the rest continuous flows based on the current self-control single infusion are increased by preset values and data are saved;
and 3, acquiring the time for triggering the key, executing corresponding self-control single infusion if the key is not triggered in a certain period, wherein the continuous flow of the corresponding self-control single infusion is the continuous flow of the current single infusion, or the continuous flow of the corresponding self-control single infusion is decreased according to a preset value based on the continuous flow of the current self-control single infusion, and storing data.
2. The method of claim 1, wherein: step 1 also comprises configuring the maximum limit value of the continuous flow;
comparing the continuous flow of the self-control single infusion in the step 2 with the maximum limit value of the continuous flow, and if the continuous flow exceeds the maximum limit value, carrying out infusion by using the maximum limit value of the continuous flow; if the maximum limit value is not exceeded, the corresponding continuous flow of the self-controlled single infusion is executed for infusion.
3. The method of claim 1, wherein: step 1 also comprises configuring a minimum limit value of the continuous flow;
comparing the continuous flow of the self-control single infusion in the step (3) with the minimum limit value of the continuous flow, and if the continuous flow is lower than the minimum limit value, executing the minimum limit value of the continuous flow for infusion; if the flow rate is higher than the minimum limit value, the corresponding continuous flow rate of the self-control single infusion is executed for infusion.
4. The method of claim 1, wherein: in the step 2, if the times =1, the preset value is N times of the increment; if the times are more than 1, the preset value is N-1 times of the incremental quantity; the increment is preset in advance, and N is an integer.
5. The method of claim 4, wherein: the incremental change is set at 10% of the continuous flow of the currently performed self-controlled bolus infusion.
6. The method of claim 1, wherein: in step 3, the preset value is a preset decrement.
7. The method of claim 1, wherein: the time period for triggering the key is T; in step 3, if the key is not triggered within the time period T, continuing to execute the continuous flow of the current single infusion for infusion; if the time period T is exceeded and the key is not triggered, executing the continuous flow of the self-control single infusion after the preset value is decreased, and carrying out infusion.
8. A self-regulating electronic infusion pump characterized by responding to and performing the method of controlling a self-regulating electronic infusion pump according to any of claims 1-7.
CN202211184188.0A 2022-09-27 2022-09-27 Self-control adjustable electronic infusion pump control method and self-control adjustable electronic infusion pump Pending CN115501416A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103736166A (en) * 2014-01-22 2014-04-23 马挺 Individualized smart patient-controlled analgesia pump
CN206700472U (en) * 2016-07-25 2017-12-05 徐铭军 A kind of automatic control inhibiting pain in parturition pump
CN107715242A (en) * 2017-11-24 2018-02-23 中国科学院苏州生物医学工程技术研究所 Intelligent wireless analgesia pump management system based on intelligent expert storehouse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103736166A (en) * 2014-01-22 2014-04-23 马挺 Individualized smart patient-controlled analgesia pump
CN206700472U (en) * 2016-07-25 2017-12-05 徐铭军 A kind of automatic control inhibiting pain in parturition pump
CN107715242A (en) * 2017-11-24 2018-02-23 中国科学院苏州生物医学工程技术研究所 Intelligent wireless analgesia pump management system based on intelligent expert storehouse

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