A method for selecting emergency medical response paths
A response path and emergency medical technology, applied in the field of emergency medical response path selection, can solve problems such as unreliable site selection and unreasonable site selection of rescue supplies, so as to avoid casualties and property losses, improve the effect of rescue, and improve efficiency Effect
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[0049] See figure 1 , figure 1 It is a flow chart of a simple method for selecting the best location for placing medical rescue materials and the best rescue route disclosed in the present invention.
[0050] The inventive method is described in detail below:
[0051] 1. Assumed test conditions
[0052] First, divide the rescue large area system into several small area points Q p , p=1, 2, 3, 4, 5, ... n, n=6 in this embodiment, namely Q p , p=1, 2, 3, 4, 5, 6;
[0053] Collect the population of different small areas R p , p=1, 2, 3, 4, 5, 6; from the region point Q p to area point Q q The shortest distance d pq ; After considering the factors of the surrounding roads, the ambulance is pq The corresponding different speed v on pq ; The number of rescue supplies (ambulances) m; The specified time τ to reach the rescue site;
[0054] Normalization processing: the distance d between different regions pq Corresponding to different speeds v pq Normalized to time refere...
Embodiment 2
[0094] 2. There is 1 ambulance
[0095] 2.1. Model analysis
[0096] When only one ambulance can be arranged, according to the above data, it is difficult for one ambulance to arrive at the location of the residents who received the call within 8 minutes and cover six areas, so that as many people as possible can call for help. Can be reached within 8 minutes, ie T min ij ≤8min, and make the area where j satisfies the largest population.
[0097] 2.2. Model solution
[0098] No matter which area an ambulance is parked in, the ambulance cannot reach all the calling areas in the city within 8 minutes.
[0099] Table 5 - The relationship between the ambulance position and the number of people who cannot be covered
[0100]
[0101] Express the data shown in Table 5 with a histogram, such as image 3 shown. From Table 5 and image 3 It can be seen that although no matter where the ambulance is parked, any j€{1, 2, 3, 4, 5, 6} cannot be made, so that T minij ≤8min is al...
Embodiment 3
[0104] 3. Extraordinary rescue situations
[0105] 3.1. Model Analysis
[0106] Average weighted shortest time for the three ambulances to reach the disaster area:
[0107]
[0108] Among them, Ti represents the rescue time when one of the three ambulances arrives at the disaster area.
[0109] The average personal ambulance travel time in the whole city corresponding to the shortest average weighted time of the selected site: Among them, R j Represents the population of region j.
[0110] 3.2. Model solution
[0111] Considering that the importance of rescue for each person is the same, in special cases, more emphasis is placed on the average time required for each person in the six districts to receive rescue, and the average weighted shortest time corresponding to each vehicle to the disaster area is calculated, and the shortest time is calculated from this The average weighted time corresponding to the average personal rescue time of the entire city, and thus the ...
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