SeeDs and Strands
SeeDs
Patented
double wall
titanium encapsulation with uniform wall thickness
Tungsten
Marker - excellent images
of source in ultrasound, X-ray, CT, MRI, and fluoroscopy - far superior to other
commercially available sources
Source calibration traceable to
NIST1999 calibration revised
for 2000
Sources
and spacers are the same length ( 5.0 mm nominal )and diameter ( 0.8 mm nominal
) fitting Mick cartridge snugly
Custom-made
high quality spacers and
Mick cartridges provided at no cost
Sources
can be provided as loose
seeds; loaded in needles with spacers, sterile;
loaded in strands, sterile; preloaded in Mick cartridges
SeeDOS I-125 SeeD Code 2301
Patented Double Wall Iodine-125
Source
SeeDOS Code Number 2301
Marker Tungsten
Dose Rate Constant NIST 1999 with 2000 Modification
External Length 5 mm (nominal) 1.02 cGy/hr/U
External Diameter 0.8 mm (nominal)
SeeDOS Pd-103 SeeD Code 2335
Patented Double Wall Palladium-103 Source
SeeDOS Code Number
2335
Marker Tungsten
Dose Rate Constant NIST 1999 with 2000 Modification
External Length 5 mm (nominal) 0.70 cGy/hr/U
External Diameter 0.8 mm (nominal)
References:
1) A.S. Meigooni, D.M. Gearheart, and K. Sowards,Med. Phys. 27, 2168-2173 (2000)
2) S.W. Peterson and B. Thomadsen, Brachytherapy 1, 110-119
(2002)
3) R. Nath and N. Yue, Brachytherapy, 1, 102-109 (2002)
Breast Localization Needles
with Iodine-125 Seeds
Description
SeeDOS Code Number 10172-8
5 cm Length
SeeDOS Code Number10172-11
7 cm Length
SeeDOS Code Number10172-02
10 cm Length
SeeDOS Code Number10172-05
15 cm Length
• Available in all ranges of seed
activities ( 0.08 to 0.4 mCi ) with a shelf life of 90 days
• Needles are supplied sterile and are
individually packaged and shielded
• Localization needles with
I-125
Iodine-125 seeds are CE marked
I-125 & Pd-103 seeds are CE
Marked
Single Needle with Single
I-125 SeeD Source
Description
SeeDOS Code Number
10172-2 I-125 Loose Source (single) in 18 Gauge x 10cm
Needle
SeeDOS Code Number10172-5 I-125 Loose Source (single)
in 18 Gauge x 15cm Needle
SeeDOS Code Number10172-8 I-125 Loose Source (single)
in 18 Gauge x 5cm Needle
SeeDOS Code Number10172-11 I-125 Loose Source (single)
in 18 Gauge x 7cm Needle
SeeDOS Code Number10172-14 I-125 Single Source in Strand
in 18 Gauge x 5cm Needle
SeeDOS Code Number10172-17 I-125 Single Source in Strand
in 18 Gauge x 7cm Needle
SeeDOS Code Number10172-20 I-125 Single Source in Strand
in 18 Gauge x 10cm Needle
SeeDOS Code Number10172-23 I-125 Single Source in Strand
in 18 Gauge x 15cm Needle
I-125
Sterile & Non-Sterile SeeD Products
Description
SeeDOS Code Number 10113 Loose (non-sterile)
SeeDOS Code Number 10113-21 Loose (sterile)
SeeDOS Code Number 10165-3 Strands in Needles
(in plastic tray)
SeeDOS Code Number 10165-4 Loose Sources in
Needles (in plastic tray)
SeeDOS Code Number 10165-17 Loose and Stranded
Sources in Needles (in plastic tray)
SeeDOS Code Number 10165-1 Stylets in Tubes
SeeDOS Code Number 10113-23 Cartridge with Sources
(non-sterile)
SeeDOS Code Number 10113-11 Cartridge with
Sources (sterile)
SeeDOS Code Number 10176-13 Cartridge
with Sources
SeeDOS Code Number 10117-5 Reusable Cartridges
with Sources
SeeDOS Code Number 10120-1 Strands in Needles
(in tray)
SeeDOS Code Number 10120-3 Loose Sources in
Needles (in tray)
SeeDOS Code Number 10120-5 Loose and Stranded
Sources in Needles (in tray)
Pd-103 SeeDs and Strands
Sterile & Non-Sterile Seed Products
Description
SeeDOS Code Number 15113 Loose Pd-103 Source (non-sterile)
SeeDOS Code Number 15113-11 Vial with Pd-103 Sources in a Pouch (sterile)
SeeDOS Code Number 15165-1 Pd-103 Strand (in a pack)
SeeDOS Code Number 15165-4 Needle with Pd-103 Loose Sources Assembly(in a
plastic tray)
SeeDOS Code Number15165-9 Needle with Pd-103 Sources in Strands Assembly (in a
plastic tray)
SeeDOS Code Number15165-11 Needle with Pd-103 Loose Sources and Strands Assembly
(in a plastic tray)
SeeDOS Code Number15113-13 Pd-103 Sources in Cartridge (non-sterile)
SeeDOS Code Number Cartridge (sterile)
SeeDOS Code Number15180-1 Needle with Pd-103 Loose Sources Assembly (in tray)
SeeDOS Code Number15180-3 Needle with Pd-103 Sources in Strands Assembly (in
tray)
SeeDOS Code Number15180-5 Needle with Pd-103 Loose Sources and Strands Assembly
(in tray)
Iridium-192
SeeD Strands ( seeds-in-ribbon)
Ir-192
SeeDs in Nylon Ribbons - SeeDOS Code Number 118
Range of Activity 0.1 to 10 mg Ra eq per Seed
Seed Dimension 3.0 mm Long and 0.5 mm Diameter
Emisson Energy 0.37 MeV ( average ) Gamma Energy
0.1 mm Diameter Core of 30% Iv & 70% Pt Surrounded by 0.2 mm Thick
Stainless Steel Wall.
Physical
Characteristics
1. Half-life 74.3 Days
2. HVL ( 50% attenuation ) About 3 mm Lead
3. Specific Gamma Ray Constant 4.6 R cm2 / mCi / hr
Custom Spacing Available.
- We are the only supplier of LDR
Iridium-192 and Gold-198 seeds.
- We are the only provider of
Iridium-192 in nylon ribbons in a wide range of activities.
- We are the only one to provide custom
services for Gold-198 permanent implants,
as well as a wide range of activities.
Gold-198 SeeDs ( "grains" )
Au-198 seeds - SeeDOS Code Number 557
Range of Activity 0.1 to 10 mCi per Seed (4.7 mCi of Gold-198 is Equal to 1 mCi
of Radon)
Seed Dimension 2.5 mm long and 0.8 mm Diameter
Emisson Energy 420 keV (average) Gamma Rays
Construction Metallic Gold Pellet Encapsulated in Platinum
PhysicalCharacteristics
1. Half-life 2.7 days
2. HVL ( 50% attenuation ) About 4 mm Lead
3. Specific Gamma Ray Constant 2.35 R cm2 / mCi / hr
Custom Activities Available.
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Please contact Colin Walters at cwalters@seedos.com if you would like further information or you have questions
or comments about this web site. SeeDOS Ltd, 26, The Maltings,Leighton Buzzard, Bedfordshire LU7 4BS, United Kingdom Tel: +44 1525 850 670 • Fax: +44 1525 850 685
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