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Vascular Access Harness™ for Rat Blood Sampling
Instech’s Vascular Access Harness™ is ideal for sampling blood from rats.
To withdraw manual samples, simply access the port in the harness using an SN22 septum-piercing needle attached to a syringe. The fluid path is not opened to the environment and the design prevents backflow that can lead to a loss of patency.
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| VAH95ABH |
When used with automated blood samplers, including the Instech ABS2™, the Dilab® AccuSampler® or the BASi Culex®, animals can be dosed outside the cage and then connected to the tether line in just a few seconds before the first scheduled sample is withdrawn.
- Animals can be ordered pre-catheterized and with the VAH installed. See Surgical Service Partner list.
- Instech ABS users: use low dead-volume VAH95T/ABS or KVAH95T/ABS tethers to minimize sampling times and volume borrowed during the sampling process.
- DiLab AccuSampler users: use the KVAH95T/DILAB tether kit which includes a 20ga swivel. The AccuSampler is not compatible with KVAH95T/ABS. See AccuSampler Settings for Instech Vascular Access Harness white paper, prepared by VeruTech AB, the founders and owners of DiLab. Note that Instech is the authorized distributor of DiLab consumables in the US.
- BASi Culex users: use the VAH95ABH harness with a Raturn® rotating-cage-based system. The Raturn tether clip attaches to the hole in the harness. Use the standard VAH95AB with a swivel-based Culex ABC system.
- Also available in a two-channel version for simultaneous infusion and sampling or for bile sampling.
- Now available in a miniature version for mouse blood sampling.
- Also available in a version with long (14in/36cm) belly bands for large rats or guinea pigs. Contact us for pricing on VAH95AB14. (Standard belly bands are 9in/23cm.)
- Contact Instech for
pricing on order quantities of 50 or more pieces or for custom
configurations.
Dilab and AccuSampler are registered trademarks of VeruTech AB. Culex and Raturn are registered trademark of Bioanalytical Systems, Inc.
U.S. Pricing
| Model |
Name |
Price |
| VAH95AB |
VAH harness with septum needle, sterile |
$31 / each |
| VAH95AB-C |
VAH harness with round-tip PU catheter and septum needle, sterile |
$54 / each |
| VAH95ABH |
VAH harness with 4mm hole for Culex attachment, septum needle, sterile |
$33 / each |
| VAH95T/ABS |
VAH tether assembly, low dead volume for ABS, 10.5in, sterile |
$15 / each |
| KVAH95T/ABS |
VAH tether kit for ABS: VAH95T/ABS, 375/22P, sterile |
$46 / each |
| KVAH95T/DILAB |
VAH tether kit for AccuSampler: VAH95T, 375/20P, sterile |
$46 / each |
| SN22 |
VAH septum needles, 22ga x 0.4in, sterile, individually packaged |
$31 / dozen |
Download
 tether information [PDF]
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