Docon® Seal M
Mobile tube sealing device for safe blood transfusion and easy workflows.
More than 55 years of developing and manufacturing blood transfusion equipment to the highest product standards.
Docon® Seal M is a mobile tube sealing device for the safe sealing of PVC tubes during blood donation.
The device enables controlled, automatically regulated sealing of the blood collection tube directly at the donor. The combination of ergonomic design, defined sealing parameters and lithium-ion technology supports reproducible and safe workflows.
- Automatically regulated sealing time
- Up to 2,000 seals per battery charge
- Suitable for PVC tubes with 4–6 mm diameter
- Compatible with Docon® 7
Automatically regulated sealing
Sealing time is automatically adjusted depending on tube diameter and wall thickness (2–5 seconds). This enables reproducible sealing quality across different tube types.
Mobility and energy efficiency
- Lithium-ion battery
- Up to 2,000 seals per charge
- 150 seals in series
The battery-powered system is suitable for mobile transfusion use and supports off-grid workflows.
Design and cleanability
- Ergonomically shaped handle with splash protection
- Operation with minimal manual force
- Easy-to-clean surfaces
The compact design enables use directly at the donor.
Process safety
- LED indicator for active sealing process
- Defined parameters for PVC tubes
- Direct sealing within the donation process
Automatic control supports standardised workflows.
Mobile tube sealing device for mobile blood donation and stationary blood banks
Docon® Seal M
Size (W x H x D) :
185 mm x 94 mm x 61 mmDevice weight :
950 gHandle weight :
300 gVoltage :
100-240 VACPVC tube spec. :
4-6 mmSealing time :
2-5 secondsSeals in series :
> 150Seals per charge :
2000Battery :
lithium-ion
What is a tube sealing device
and how does it work?
A tube sealing device (tube sealer) is a medical device for the thermal sealing of PVC tubes in blood transfusion.
Through controlled heat application, the tube is sealed and separated without interrupting the sterile circuit. Mobile sealing with Docon® Seal M enables direct application at the donor and supports closed process workflows.
Highest safety standards
for your technology
Moeller Medical is certified according to:
- DIN EN ISO 13485:2016
- MDSAP (including country-specific requirements for the USA, Brazil, Canada and Australia)
- DIN EN ISO 9001:2015
- MDR Certificate: Regulation (EU) 2017/745 in accordance with Annex IX Chapter I
- MDD Certificate: Directive 93/42/EEC, Annex II and V
Frequently asked questions (FAQs)
What is a mobile tube sealing device?
A mobile tube sealing device is a battery-operated system for the thermal sealing of PVC tubes during blood transfusion.
For which tube diameters is Docon® Seal M suitable?
The device is designed for PVC tubes with a diameter of 4–6 mm.
How many seals are possible per battery charge?
Up to 2,000 seals per charge.
Can the device be used directly at the donor?
Yes. The compact and mobile design enables use directly within the donation process.
Senior product manager
Modules & Devices


