Download / Firmware

Firmware Update for Therapy Devices

With the help of our software LÖWENSTEINupdate (formerly WEINMANNupdate) you can perform the firmware update.

You can order the LÖWENSTEINupdate package directly from Löwenstein Medical Technology (article number WM27220).

If you already have WEINMANNupdate, you will find the latest software below:

Software Current Version Change
LÖWENSTEINupdate V 1.17
  • Compatibility with Windows 10
 Download
(zip / 143 MB)

 

You can download our latest firmware from here:

 

Sleep Therapy

Here you can find the official firmware for all prisma LINE therapy devices. Save the specific file on a SD Card.
DO NOT change the file name or the file.
Insert the SD Card into the device and follow the instruction on the prisma device screen. Remove the SD Card after the update.

Due to local regulations, you are responsible to use only firmware versions that are approved in your country.

Device Current firmware version Change Download current
firmware version		 Current firmware version
not approved in		 Download older
firmware version
prismaLINE

Typ WM 100 TD		 V 5.07.0002
  • Extension barometer support
 Download V 5.07.0002
(zip) 		Singapore V 5.5.0022
Sri Lanka V 5.01.0013 		Download V 5.5.0022
(zip)
prisma SOFT max,
prisma SMART max
Typ WM 090 TD
Serial number range:
26000000 - 26999999		 V 3.17.8 This patch addresses the disconnections between the therapy device and prisma CLOUD
that occurred with firmware 3.17.6 in some regions.

For further information please contact our Technical Service. 		Download V 3.17.8
(bin) 		Download V 3.17.6
(bin)
prisma SOFT plus,
prisma SMART plus
Typ WM 090 TD
Serial number range:
26000000 - 26999999		 V 3.17.8 This patch addresses the disconnections between the therapy device and prisma CLOUD
that occurred with firmware 3.17.6 in some regions.

For further information please contact our Technical Service. 		Download V 3.17.8
(bin) 		Download V 3.17.6
(bin)
prisma SOFT
prisma SMART
Typ WM 090 TD
Serial number range:
25000000 - 25999999		 V 3.17.8 This patch addresses the disconnections between the therapy device and prisma CLOUD
that occurred with firmware 3.17.6 in some regions.

For further information please contact our Technical Service. 		Download V 3.17.8
(bin) 		Download V 3.17.6
(bin)
prisma SOFT
prisma SMART
Typ WM 090 TD
Serial number range:
28000000 - 28999999		 V 3.7.12
  • General device optimization

For more information please contact our Technical Service. 		Download V 3.7.12
(bin)
prisma SOFT
prisma SMART
Typ WM 090 TD
Serial number range:
400000 - 999999		 V 3.7.12
  • General device optimization

For more information please contact our Technical Service. 		Download V 3.7.12
(bin)

Overview Firmware Version and Changes (Sleep Therapy and Ventilation)



Ventilation (LUISA)

Here you can find the official firmware for all LUISA ventilators.
Save the specific file on a USB-C flash drive.
DO NOT change the file name or the file.
Insert the USB-C flash drive into the device and follow the instruction on the LUISA
ventilator screen. Remove the USB-C flash drive after the update.

Device Current Firmware
Version		 Change / Information Download current
firmware version		 Current firmware version
not approved in		 Download older
firmware version
LUISA

Type LM150TD		 v1.13.0035
  • Support a new display to ensure delivery capability
  • Technical updates
  • Requirements of current standards were implemented


    • For further information, please contact our Technical Service.     		Download v1.13.0035
    (hex / 151 MB)     		Download v1.13.0019
    (hex / 159 MB)



    Secretion management (CARO)

    Here you will find the official firmware for CARO, the mechanical insufflator-exsufflator.
    Save the corresponding file to a USB-C stick.
    Do NOT change the file or the file name!
    Insert the USB stick into the device and follow the on-screen instructions
    on the MIE. Remove the USB stick after the update.

    Device Current firmware version Change / Information Download current
    firmware version    		 Download older
    firmware version
    CARO

    LM300CD    		 v 1.1.0038 To read device and therapy data from CARO, the
    current prismaTS/ prismaTSlab software
    v 5.19.0.12 is required.

    For further information, please contact our Technical Service.     		Download 1.1.0038
    (hex / 149 MB)



    Ventilation (prisma VENT)

    Here you can find the official firmware for all prisma VENT therapy devices.
    Save the specific file on a SD Card.
    DO NOT change the file name or the file.
    Insert the SD Card into the device and follow the instruction on the prisma device screen.
    Remove the SD Card after the update.

    Device Current Firmware Version Change Download current
    firmware version    		 Current firmware version
    not approved in    		 Download older
    firmware version
    prisma VENT

    Type WM 110
    Type WM 120    		 V 3.9.0017 General device optimisation


    For further information please contact our Technical Service.     		Download V 3.9.0017
    (zip / 31 MB)     		Japan
    (version 3.5.0022 instead)     		Download V 3.05.0022
    (zip / 31 MB)
    prisma30ST / 30ST-C / 30ST-HFT Information
    Please use the current Firmware for our prismaLINE devices and follow the important notes -
    pls. see Sleep Therapy overview



    Ventilation VENTI devices)

    Here you will find the official firmware for all VENTI therapy devices.
    Download the firmware file and unpack it in your destination folder. For the update you will also need the LÖWENSTEINupdate tool,
    which you can find at the top of the page. For the update tool only the WMU file of the firmware is allowed.

    Device Current Firmware Version Change
    VENTIlogic LS
    VENTIlogic plus
    from production date 24.04.2025    		 V 3.13.5
    • Support of alternatieve batteries
      useable from SN 10.000

    For more information please contact our Technical Service.     		Download V 3.13.5
    (zip / 1,15 MB)
    VENTIlogic LS
    VENTIlogic plus

    up to device number 9.999    		 V 2.11.3
    • Stability and performance optimization
    • Vt min alarm now "High-priority alarm"

    For more information please contact our Technical Service.     		Download
    (zip / 1 MB)
    VENTImotion 2 V 2.09
    • Additional language support (Korean and Russian)
    • Bug-fix display duration of therapy when device stops

    For more information please contact our Technical Service.     		Download
    (zip / 0,4 MB)

    Overview Firmware Version and Changes (Sleep Therapy and Ventilation)



    Firmware Update for Accessories

    You can update the firmware for the remote setting software SOMNOadjust if you have the required update set.
    Unfortunately, you can no longer order the set.

    The current firmware can be downloaded from here.
    You may instead send your SOMNOadjust to Löwenstein Medical Technology and we'll make the update for you.

    The firmware update for accessories contains the following change:

    Current Firmware Version What has been changed
    V 21.0 Improvement of language selection Download
    (zip / 1,35 MB)

    You will need one of the following programs to unzip the files: WinRar, WinZip, 7-Zip

     

    If you have any trouble downloading the file, please contact Technical Service.