The Laryngeal Tube Suction Disposable( LTS-D) has recently undergone considerable structural changes in design. As these changes may influence the performance of the LTS-D relative to the old LTS-D version the investigator decided to check the new LTS-D in the pediatric version The investigator hypothesized that the LTS-D perform clinically well during general anesthesia with controlled ventilation.
The LTS-D, is a second generation supraglottic airway device, made from the medical polyvinyl chloride introduce in 2005. It is used for maintaining the airway during spontaneous and controlled ventilation during general anesthesia . It has been advocated for prehospital emergency airway management and serves as a useful tool during failed intubations The LTS-D has recently undergone considerable changes in design based on clinical studies and investigators feedback. The new LTS-D is available to adult and pediatric sizes.For childrens the devices is presented in the size 3 for patients of \< 155 cm (\> 30 Kg.), the size 2.5 for patients 125-150cm. (20-30 Kg.), the size 2 for patients of 12-25 Kg, the size 1 for patients of 5-12 Kg and the size 0 for patients \< 5 Kg. As these changes may influence the performance of the LTS-D relative to the old LTS-D version the investigator decided to check the new LTS-D in the pediatric version. The investigator hypothesized that the LTS-D perform clinically well during general anesthesia with controlled ventilation.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
90
Laryngeal Tube Suction Measurement of leak pressure
Seal pressure in cm H2O
We will measure the seal leak pressure at 60 cm H2O intracuff pressure and the minimal pressure of the cuff to performed effective volume controlled ventilation
Time frame: one minute
Time of insertion in seconds
Was measured as the time after the anesthesiologist removed the facemask until the square-wave capnograph tracing was observed after insertion of the LTS-D. Two attempts at insertion were permitted.
Time frame: one minute
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