QFlow 500 Perfusion Probe

QFlow 500 Perfusion Probe

Information for medical staff

For secure and functional fixation of up to 4 measuring catheters.

Artemis Device
Pumpe MAX

QFlow 500 Perfusion Probe

  • The minimally invasive QFlow 500™ perfusion probe measures tissue perfusion in the spherical volume surrounding the distal tip of the probe. The flexible probe with a diameter of approximately 1 mm can be inserted into any soft tissue at the site where quantitative perfusion measurement is desired.

Description of the device

  • The QFlow 500 perfusion monitoring system consists of the Bowman Perfusion Monitor® (BPM), an umbilical cord and a minimally invasive QFlow 500™ perfusion probe. The BPM provides continuous real-time perfusion in absolute physiological units (ml/100g-min). The BPM is the only technology that provides continuous, quantitative perfusion measurements at the bedside. 
  • Perfusion (CBF) is measured in absolute physiological units of ml of blood per 100 g of tissue per minute.
  • Absolute CBF values allow the determination of functional thresholds


Neurosurgeon/Neurologist/Neurointensivist-Neuro ICU

SAH

SAH patients have a high risk of developing vasospasm CBF below 15 ml/100g-min is considered by many to be clinical vasospasm 

ICU-Feature

  • Alerts the physician to the occurrence of vasospasms in comatose patients
  • Shows the restoration of blood flow after therapy
  • Shows the interaction of medication and additional therapy on the CBF in real time

Vorteil

  • Enables early intervention before permanent damage occurs
  • Provides an indication of when global perfusion imaging may be required
  • Enables assessment of the effectiveness of therapy
  • Reduces the decision-making burden for clinicians

TBI

TBI patients are at high risk of developing swelling-induced ischaemia

Maintaining an adequate level of CBF is essential to prevent secondary damage


ICU-Feature

  • Enables control of patient therapy to maintain CBF above threshold
  • Alerts the clinician to the onset of swelling-induced ischaemia
  • Shows recovery of flow after therapy
  • Shows real-time interaction of medications and other therapies on CBF

Vorteile

  • Enables early intervention before secondary damage occurs
  • Provides insight into the management of ABP to prevent unnecessary therapeutic hypertension and hypertension-related additional bleeding
  • Enables evaluation of the effectiveness of therapy
  • Reduces the decision-making burden for the physician

Integration of absolute CBF values with other brain physiological data:

Multimodal monitoring


Impaired autoregulation

  • CBF and ICP (CPP) enable the determination of impaired autoregulation
  • Brain-injured patients with impaired autoregulation have poorer results

Cerebral vascular resistance (CVR)

  • CBF and ICP (CPP) enable the determination of cerebral vascular resistance
  • CVR = CPP/CBF; CVR can demonstrably predict a vasospasm
  • 1 to 5 days before it occurs
Article-Nr. Description
H00001600 QFlow 500 Perfusion Probe

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