Laser Doppler Monofiber Flowprobes |
Transonic BLF21 & BLF 21D Laser Doppler Flowmeters |
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Optical Fiber
Transmit/receive fiber
size: 0.0625 mm
type glass, graded index
numerical aperture: 0.275 +- 0.15
Transmit/receive spacing
0.5 mm (standard)*
*0.15 in Type NS
Probe Lengths
2 meters standard; other lengths as needed
Connector
FDDI type rated for minimum of 500 connections
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Probes for skin and other tissues with easy access: skin
flaps - internal organ surfaces
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Type S (straight) |
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Titanium tip
diameter: 6 mm
length: 6 mm
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The probe may be used with rubber holders taped to the skin.
This probe may also be used with a balance
arm on tissue preparations that exhibit slow rhythmic motions.
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Type R (right angle) |
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Head: epoxy
Dimensions
diameter: 15 mm
height: 7 mm
Optional suture holes shown
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Head: epoxy
Dimensions
diameter: 15 mm
height: 7 mm
No suture holes
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Type DI (disk) |
Type I (implantable) |
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Head: epoxy with a glass window
(gold mirror inside)
Dimensions: approximate length:
width 12 mm
height: 3 mm
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Head: epoxy with a glass window
(gold mirror inside)
Dimensions: approximate length:
length 14 mm
height: 3 mm
width 6 mm
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Needle probes for intraoperative sites with limited access
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- cerebral blood flow measurements
- renal, hepatic blood flow measurements, acute
- hypodermic blood flow measurements
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Type N (11 gauge needle) |
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11 gauge stainless steel shaft
diameter: 3 mm
length: 40 mm
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Type N (18 gauge needle) |
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18 gauge stainless steel needle
diameter: 1.2 mm
length: 40 mm
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Type NS (24 gauge needle) |
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24 gauge stainless steel
diameter: 0.58 mm
length: 40 mm
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Standard length of needle probes are 40 mm; shorter or longer lengths
available at extra cost.
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Probes for GI, bronchotracheal, laparoscopic and bladder blood flow
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Type E (Endoscopy) |
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Head: Teflon coated cable with 1 mm titanium disc
at tip of endoscopy segment
Dimensions: total length: 4 meters (standard)
other lengths available
endoscopy segment length: 2 meters
flexible cable length 2 meters
diameter: 1.8 mm
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Probe for chronic measurement in lab animals
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Type M (Mono fiber) |
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2 meter probe cable with 3 each mono fiber tips:
1 meter long plastic optical fiber 0.5mm diameter.
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Custom probes
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MRI/NMR
Type DI, I, M, R, S probes are nonmagnetic. Type N can be made of brass
with a diameter of 1mm. All can have cables as long as needed to isolate instrument from the
magnet.
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Curved needle probes
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A variety of shapes and lengths can be fabricated.
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