re: mgz medigard - so many!! All the others are based on spring...

re: mgz medigard - so many!! All the others are based on spring loaded devices MGZ is the only company that uses a Vacuam device, which means theirs is the cheapest to produce.

Benefits
• Single-handed automatic retraction.
• Retracts needle into plunger and also locks in barrel.
• Totally sheaths needle and renders inoperable.
• Provides for safe 'throw away' disposal.
• Operates exactly the same as existing syringes.
• Allows for interchange of needles
(International "Luer" connection)
• Provides for maximum expulsion of liquid (minimum waste).
• Vacu-seal packaging is minimal and efficient.
• The most compact for packing and distributing.
• Very price competitive