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5
P/N VT-108723-US, Manual revision: C
Vante
®
SEBRA
®
MINI
™
Tube Sealer Power Source
Product overview
The Vante
®
SEBRA
®
Model 2380 MINI™ Hand-Held Tube Sealer Power
Source (Sealer) is a compact, portable, battery powered device that employs
SMART™ electronics (which detect the end of the seal and arcing problems)
to generate radio frequency (RF) to make uniform, quality seals on a variety
of tubing sizes without power adjustment by the user. The Sealer comes with
a hand-held, manually activated sealing head (the Model 1105) which
creates a seal that is formed by the sealing head jaws in such a way as to
take segment separation easy and uniform.
The Model 2380 is approved for sealing the blood collection tubing while the
blood collection needle remains in the donor's arm.
Application
The Model 2380 Power Source is an instrument that generates RF power for
making seals on tubing made of RF reactive thermoplastic materials typically
used in blood banks, blood processing facilities and transfusion centers.
Tubing utilized in the collection and handling of blood and blood products is
typically made from thermoplastic vinyl, namely polyvinylchloride, or PVC, and
it is this application for which this product is specifically intended.
Theory of operation
The physical properties of PVC plastic tubing (and other RF-reactive
thermoplastic materials) cause it to dielectrically heat at a molecular level in the
presence of RF energy. This energy causes the plastic to soften due to the
friction of the vibrating molecules. In this softened condition, the plastic
becomes weldable because the molecules are free to intermingle under the
application of external forces, such as compression. If allowed to cool while the
forces are applied, the material will be permanently reshaped.
The Power Source is an instrument that generates, when actuated, a controlled
amount of RF energy at the sealing head while mechanically compressing the
tubing across its diameter during the dielectric sealing and forming process.
When the energy is removed and the tubing is allowed to cool under
compression, a permanent seal is produced.
Note: Since the Power Source generates RF, other instruments or equipment
in its proximity may be affected by radio frequency interference (RFI) unless
their electronic circuitry is properly shielded for RFI.
Chapter 2
Содержание SEBRA MINI 2380
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