在医疗环境中，设备管理对于确保医疗服务的质量和安全性至关重要。本文将介绍如何使用PowerShell构建一个医疗设备管理系统，包括设备监控、维护管理、数据采集等功能。
设备监控
首先，让我们创建一个用于监控医疗设备的函数：
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| function Monitor-MedicalDevice {
[CmdletBinding()]
param(
[Parameter(Mandatory = $true)]
[string]$DeviceID,
[Parameter()]
[string[]]$Metrics,
[Parameter()]
[int]$Interval = 60,
[Parameter()]
[string]$LogPath,
[Parameter()]
[hashtable]$AlertThresholds
)
try {
$monitor = [PSCustomObject]@{
DeviceID = $DeviceID
StartTime = Get-Date
Readings = @()
Alerts = @()
}
while ($true) {
$reading = [PSCustomObject]@{
Timestamp = Get-Date
Metrics = @{}
Status = "Normal"
}
$deviceStatus = Get-DeviceStatus -DeviceID $DeviceID
foreach ($metric in $Metrics) {
$value = Get-DeviceMetric -DeviceID $DeviceID -Metric $metric
$reading.Metrics[$metric] = $value
if ($AlertThresholds -and $AlertThresholds.ContainsKey($metric)) {
$threshold = $AlertThresholds[$metric]
if ($value -gt $threshold.Max) {
$reading.Status = "Warning"
$monitor.Alerts += [PSCustomObject]@{
Time = Get-Date
Type = "HighValue"
Metric = $metric
Value = $value
Threshold = $threshold.Max
}
}
if ($value -lt $threshold.Min) {
$reading.Status = "Warning"
$monitor.Alerts += [PSCustomObject]@{
Time = Get-Date
Type = "LowValue"
Metric = $metric
Value = $value
Threshold = $threshold.Min
}
}
}
}
if ($deviceStatus.Status -ne "Normal") {
$reading.Status = $deviceStatus.Status
$monitor.Alerts += [PSCustomObject]@{
Time = Get-Date
Type = "DeviceStatus"
Status = $deviceStatus.Status
Details = $deviceStatus.Details
}
}
$monitor.Readings += $reading
if ($LogPath) {
$reading | ConvertTo-Json | Out-File -FilePath $LogPath -Append
}
if ($reading.Status -ne "Normal") {
Send-MedicalAlert -Alert $monitor.Alerts[-1]
}
Start-Sleep -Seconds $Interval
}
return $monitor
}
catch {
Write-Error "设备监控失败：$_"
return $null
}
}
|
维护管理
接下来，创建一个用于管理医疗设备维护的函数：
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| function Manage-DeviceMaintenance {
[CmdletBinding()]
param(
[Parameter(Mandatory = $true)]
[string]$DeviceID,
[Parameter(Mandatory = $true)]
[ValidateSet("Routine", "Preventive", "Corrective")]
[string]$MaintenanceType,
[Parameter()]
[string]$Technician,
[Parameter()]
[string]$Notes,
[Parameter()]
[switch]$Force
)
try {
$maintenance = [PSCustomObject]@{
DeviceID = $DeviceID
Type = $MaintenanceType
StartTime = Get-Date
Technician = $Technician
Notes = $Notes
Status = "InProgress"
Steps = @()
}
$deviceStatus = Get-DeviceStatus -DeviceID $DeviceID
if (-not $Force -and $deviceStatus.Status -ne "Ready") {
throw "设备当前状态不适合进行维护：$($deviceStatus.Status)"
}
$steps = Get-MaintenanceSteps -DeviceID $DeviceID -Type $MaintenanceType
foreach ($step in $steps) {
$stepResult = [PSCustomObject]@{
StepID = $step.ID
Description = $step.Description
StartTime = Get-Date
Status = "InProgress"
}
try {
$result = Invoke-MaintenanceStep -DeviceID $DeviceID `
-StepID $step.ID `
-Parameters $step.Parameters
$stepResult.Status = "Success"
$stepResult.Result = $result
}
catch {
$stepResult.Status = "Failed"
$stepResult.Error = $_.Exception.Message
throw
}
finally {
$stepResult.EndTime = Get-Date
$maintenance.Steps += $stepResult
}
}
$maintenance.Status = "Completed"
$maintenance.EndTime = Get-Date
Add-MaintenanceHistory -Maintenance $maintenance
return $maintenance
}
catch {
Write-Error "设备维护失败：$_"
return $null
}
}
|
数据采集
最后，创建一个用于采集医疗设备数据的函数：
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| function Collect-DeviceData {
[CmdletBinding()]
param(
[Parameter(Mandatory = $true)]
[string]$DeviceID,
[Parameter(Mandatory = $true)]
[DateTime]$StartTime,
[Parameter(Mandatory = $true)]
[DateTime]$EndTime,
[Parameter()]
[string[]]$DataTypes,
[Parameter()]
[string]$ExportPath,
[Parameter()]
[ValidateSet("CSV", "JSON", "Excel")]
[string]$ExportFormat = "CSV"
)
try {
$collection = [PSCustomObject]@{
DeviceID = $DeviceID
StartTime = $StartTime
EndTime = $EndTime
DataTypes = $DataTypes
Records = @()
Summary = @{}
}
$data = Get-DeviceData -DeviceID $DeviceID `
-StartTime $StartTime `
-EndTime $EndTime `
-DataTypes $DataTypes
foreach ($record in $data) {
$collection.Records += [PSCustomObject]@{
Timestamp = $record.Timestamp
Data = $record.Data
Quality = $record.Quality
}
}
foreach ($dataType in $DataTypes) {
$typeData = $collection.Records | Where-Object { $_.Data.ContainsKey($dataType) }
$collection.Summary[$dataType] = [PSCustomObject]@{
Count = $typeData.Count
MinValue = ($typeData.Data[$dataType] | Measure-Object -Minimum).Minimum
MaxValue = ($typeData.Data[$dataType] | Measure-Object -Maximum).Maximum
Average = ($typeData.Data[$dataType] | Measure-Object -Average).Average
Quality = ($typeData.Quality | Measure-Object -Average).Average
}
}
if ($ExportPath) {
switch ($ExportFormat) {
"CSV" {
$collection.Records | Export-Csv -Path $ExportPath -NoTypeInformation
}
"JSON" {
$collection | ConvertTo-Json -Depth 10 | Out-File -FilePath $ExportPath
}
"Excel" {
$excel = New-ExcelWorkbook
$sheet = $excel.Worksheets.Add("DeviceData")
$row = 1
foreach ($record in $collection.Records) {
$sheet.Cells[$row, 1].Value = $record.Timestamp
$col = 2
foreach ($key in $record.Data.Keys) {
$sheet.Cells[$row, $col].Value = $record.Data[$key]
$col++
}
$row++
}
$excel.SaveAs($ExportPath)
}
}
}
return $collection
}
catch {
Write-Error "数据采集失败：$_"
return $null
}
}
|
使用示例
以下是如何使用这些函数来管理医疗设备的示例：
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|
$monitorConfig = @{
DeviceID = "MRI001"
Metrics = @("Temperature", "Pressure", "Power")
Interval = 30
LogPath = "C:\Logs\mri001_monitor.json"
AlertThresholds = @{
"Temperature" = @{
Min = 15
Max = 25
}
"Pressure" = @{
Min = 0
Max = 100
}
"Power" = @{
Min = 0
Max = 95
}
}
}
$monitor = Start-Job -ScriptBlock {
param($config)
Monitor-MedicalDevice -DeviceID $config.DeviceID `
-Metrics $config.Metrics `
-Interval $config.Interval `
-LogPath $config.LogPath `
-AlertThresholds $config.AlertThresholds
} -ArgumentList $monitorConfig
$maintenance = Manage-DeviceMaintenance -DeviceID "MRI001" `
-MaintenanceType "Preventive" `
-Technician "John Smith" `
-Notes "定期维护检查"
$data = Collect-DeviceData -DeviceID "MRI001" `
-StartTime (Get-Date).AddDays(-7) `
-EndTime (Get-Date) `
-DataTypes @("Temperature", "Pressure", "Power") `
-ExportPath "C:\Data\mri001_data.xlsx" `
-ExportFormat "Excel"
|
最佳实践
- 实施实时监控和告警
- 建立完整的维护计划
- 保持详细的维护记录
- 定期进行数据备份
- 实施访问控制策略
- 建立应急响应机制
- 定期进行系统校准
- 保持设备文档更新
