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EzVu™ – Visual Vasopressor Injector
Innovative Injector for Enhancing Patient Safety
EzVu is a patented design vasopressor injection needle featuring a transparent window at the distal end to detect early inadvertent placement before the vasopressor solution is injected into the body.
EzVu™ – Visual Vasopressor Injector
To reduce blood loss during laparoscopic gynecological procedures, including myomectomy and hysterectomy, surgeons often need to take the preventive measure of injecting a dilute vasopressor agent intramyometrial before they begin the procedure.
EzVu Visual Vasopressor Injector helps detect an inadvertent vascular puncture very early, even in a small calibre blood vessel, and with much more sensitivity than a conventional opaque needle.
EzVu is a 33-cm-long and 5-mm diameter hollow shaft providing a transparent terminal window at the distal end. On aspiration, the blood can be seen as soon as the needle punctures a blood vessel, at a volume as small as 0.03ml (less than a single drop of blood). The needle can then be withdrawn, flushed, and repositioned at a new site.
Problem
Alexa In laparoscopic surgery, the length of the needle used is 33 cm. If the surgeon were to puncture a blood vessel within the myoma and aspirate, the blood column would not rise high enough (i.e., 33 cm) to stain the fluid in the syringe red. Since most vessels in the myoma capsule are thin-walled venous channels, rather than arterial channels, the negative pressure caused by aspiration would temporarily empty the blood vessel and the total volume of blood aspirated into the injection needle would typically not be sufficient to create a blood column high enough to stain the fluid in the syringe red.
Complications Of Injecting Vasopressor In The Blood Vessel
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Pulmonary Edema
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Severe Hypo or Hypertension
Cardiac Arrest
Bradycardia
Severe peripheral vasopasm
SOLUTION
Incorporating a small, transparent window within the needle shaft, close to the tip of the needle provides a higher probability of seeing blood in this window when the surgeon aspirates with the syringe. The needle can immediately be withdrawn and repositioned in the myometrium, remarkably reducing the chance of error and thereby increasing patient safety.
Key Features
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19G Needle
For Uniform dispersion of drug in myoma capsule
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Transparent Window
Fog Resistant Material for easy visualization of blood stain
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Stop Cock with Luer Lock
For safe refilling of the syringe
SPECIFICATIONS
SOLUTION
Incorporating a small, transparent window within the needle shaft, close to the tip of the needle provides a higher probability of seeing blood in this window when the surgeon aspirates with the syringe. The needle can immediately be withdrawn and repositioned in the myometrium, remarkably reducing the chance of error and thereby increasing patient safety.
CLINICAL BENIFITS
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Detection of early inadvertent puncture
Detects inadvertent intravascular placement of injection needle before the solution is injected into the body
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Minimizes blood loss
Vasopressor agent causes shrinkage of blood vessels which minimizes blood loss in laparoscopic gynecological procedures
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Enhances Patient Safety
Increases patient safety during the intra myometrial injection of a vasopressor agent during myomectomy and reduces the incidence of catastrophic complications
PROCEDURE FOR USE
EZVU–VISUAL VASOPRESSOR INJECTOR
