Why Perfusion?

By |2019-02-25T20:08:43+00:00October 16th, 2018|

Definition: Perfusion is the blood flow at the capillary level in tissue. Perfusion specifies the amount of blood reaching the tissue of interest and is measured in units of ml/100g-min.  Adequate perfusion is essential: Perfusion is the means by which blood provides nutrients and removes cellular waste. Adequate tissue perfusion-when supply meets demand-is [...]

MultiModal Monitoring

By |2018-12-12T17:10:48+00:00October 5th, 2018|

The Power of Knowledge: Transforming Data into Information Definition: Multimodal Monitoring is the simultaneous monitoring of multiple physiological parameters to provide  context for their interpretation, enhance detection of critical situations, monitor responses to therapeutic interventions and facilitate clinical decision making. Image courtesy of Dr. Howard Yonas, University of New Mexico Hospital [...]

Applications & Benefits

By |2019-03-21T20:13:38+00:00October 4th, 2018|

Hemedex’s Bowman Perfusion Monitoring System is primarily used in neurosurgical and neurocritical care applications.  The utility of the system for detecting vasospasm and other compromised perfusion when managing patients with traumatic brain injury or subarachnoid hemorrhage is well documented, as noted in the publication section. Select publications for TBI and SAH includes: [...]

Literature

By |2019-01-16T21:45:58+00:00September 26th, 2018|

Alawi, Aws; Reznik, M., & Claassen, J. (2017). Neurophysiologic Monitoring and Neuroprotection. In D. L. Reich, S. A. Mayer, & S. Uysal (Eds.), Neuroprotection in Critical Care and Perioperative Medicine (p. 72). Oxford University Press. Gradisek, P., & Dolenc, S. (2016). Isoflurane rescue therapy for bronchospasm reduces intracranial pressure in [...]

Setting Up The Bowman Perfusion Monitor®

By |2020-03-24T15:12:13+00:00September 26th, 2018|

5 STEPS TO SETTING UP THE MONITOR: 1. Mount monitor on pole or place on shelf 2. Connect the power chord 3. Connect the umbilical cord 4. Turn monitor on 5. Connect the Probe to the umbilical cord following placement MAIN FUNCTIONAL FEATURES: [...]

Theory of Operation

By |2020-04-14T19:53:48+00:00September 26th, 2018|

Thermal Diffusion The BPM technology measures perfusion by tracking changes in power required to heat a small volume of tissue to a fixed temperature as blood moves past the heated tip. The figures to the right outline the method. When the probe is powered on, a thermal field develops around the heated tip which [...]

Validation

By |2018-12-10T20:30:13+00:00August 3rd, 2018|

Validation of the Bowman Perfusion Monitoring System: Continuous Real-time Perfusion Quantification The flow measured by the perfusion probe has been validated for accuracy against flow measured by XeCT in humans1, hydrogen clearance in pigs2 and radioactive and non-radioactive micro-spheres in rat and rabbit livers3.  All probes are calibrated during the process of manufacture for [...]