TPi October 2008

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October 2008 Tube Products International 45
High-precision tubesSmal l diameter
Swiss machined precision stainless
steel medical components
Marshall Manufacturing Company, manufactures to specification small, custom
cylindrical components, Swiss machined from 303 stainless steel and other
medical grade metals.
Part features available include turning and milling grooves and cross holes at
various angles, slots, threading, knurling and flanges. Diameters range from
0.05" to 0.188", in lengths to 10" with very close tolerances. Additional pro-
cesses include, burnishing, heat treating, electro-cleaning and electro-polishing.
Parts are available with
laser marking for part trace-
ability, and many specialised
secondary operations are also
available, including packaging
with SPC and lot traceability.
Offering a broad range of
customisation, Marshall
Manufacturing provides
medical design engineers
with the freedom to create
innovative medical device
designs. Manufacturing and
supplying these custom
components to the medical
community for over 20 years, the company brings experience with many types
of medical devices from diagnostic and surgical equipment to orthopaedic and
therapeutic devices.
In addition to the latest automated Swiss machining technology, Marshall
Manufacturing provides CAD/CAM design assistance, integrated machine
operations and cell manufacturing, CNC horizontal and vertical machining, CNC
turning, multiple spindle drilling, polishing, stamping and packaging.
Marshall Manufacturing Company – USA
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Marshall Manufacturing provides large volume ▲
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capabilities, high quality, efficiency and on-time
delivery to the medical industry
A PTFE coating service for kink-resistant
nitinol tubes and stainless steel tubes
that are used in cardio vascular medical
devices for arterial transfer is available
from Applied Plastics, Inc of Norwood,
Massachusetts, USA.
Applied Plastics’ PTFE coated nitinol
tube features a highly lubricious coating
while maintaining the kink-resistant
characteristics of the nitinol tube,
and can be processed in sizes from
0.0508mm OD upwards and lengths to
3.048 metres. Suitable for guide wire,
catheters, needles and other devices,
the PTFE coating can be applied with
coating tolerances from 0.00254mm to
0.0762mm. Available in green, grey, blue
and black colours, the PTFE coated
nitinol tube can incorporate marker
bands at user-specified intervals. The
PTFE coating service is available for all
hypotube variations, including spiral,
skived, flared, crimped, ground and
slotted types. Applied Plastics’ PTFE
coated nitinol tube is priced according
to size and quantity. The firm can also
source the tubing where required.
Samples and literature are available
upon request.
Applied Plastics Co, Inc – USA
PTFE coated nitinol tube for PTCA guide
wires, catheters and needles
Precision welded
steel tubes
Tubos de Precisión Delmas SL is a
manufacturer of precision welded steel
tubes of very small diameters.
The company’s technology allows it
to adapt production to customers’
requirements, such as tight diameter
tolerances, tubes cut in fixed lengths,
and deburred and annealed tubes with
very bright surface.
Delmas offers a precise outside
calibrated tube and a precise outside
and inside calibrated tube. Products
range from 3 to 15mm OD and from 0.5
to 2mm wall-thickness.
Tubos de Precisión Delmas SL
– Spain
Tight tolerance
parts from China
Tubetech, China, is an ISO certified
supplier of small diameter metal tubular
products.
The company’s focus is on fabricating
small diameter, tight tolerance metal
tubular parts to exact customer
specifications.
The company provides a combination
of desired characteristics: dimensional
accuracy, clean and smooth surface
quality, high corrosion and heat
resistance, and good machinability.
The main production techniques include
argon welding and cold drawing, using
TP 304/304L, 321 and 316/316L.
Outside diameter range is 0.1 to 10mm,
wall thickness range is 0.03 to 1mm,
and lengths start from 0.5mm.
Tubetech’s standard tolerance for
cutting is ±0.5mm, but the company
can meet required precisions as tight as
±0.02mm.
Tubetech Corporation Limited
– China