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 SeeDs and Strands
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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