Syringe Manufacturers Supply Various Medical Accessory

A retractable needle safety syringe manufacturers is provided having mitigated retraction

. The syringe comprises a syringe body, a syringe cavity, a plunger, a variable vacuum compartment, a shaft brake, and a ram member. The plunger assembly includes a plunger shaft and a piston slidably engaged within the syringe body. The variable vacuum compartment is disposed within the syringe cavity and provides a vacuum force on the plunger shaft directed from a bottom syringe body end toward a top syringe body end. The shaft brake, being attached to the top syringe body end, may frictionally engage the plunger shaft to provide first and second frictional forces in opposition to the vacuum force, the first frictional force being exerted prior to the piston reaching the bottom syringe body end, the second frictional force being exerted in response to the engagement of the ram member with the shaft brake.bulb syringe,disposable needle.

A retractable needle safety syringe manufacturers with mitigated retraction, the syringe comprising: a syringe body defining opposing top and bottom syringe body ends and including a syringe cavity; an attachment seal defining a shaft orifice and being attached to the top syringe body end; a plunger assembly including a plunger shaft and a piston, the plunger shaft defining opposing top and bottom shaft ends, the plunger shaft being disposed through the shaft orifice in the syringe cavity, the piston being disposed at the bottom shaft end, the plunger being slidably engaged with the syringe body within the syringe cavity; a variable vacuum compartment being disposed within the syringe cavity between the piston and the attachment seal, the variable vacuum compartment being operative to provide a vacuum force on the plunger shaft directed from the bottom syringe body end toward the top syringe body end with the vacuum force increasing upon movement of the piston toward the bottom syringe body end; a shaft brake being attached to the top syringe body end and being operative to frictionally engage the plunger shaft to provide first and second frictional forces in opposition to the vacuum force, the first frictional force being exerted upon the plunger shaft prior to the piston reaching the bottom syringe body end; and a ram member being attached to the top shaft end and being formed to engage the shaft brake upon the piston reaching the bottom syringe body end, the shaft brake exerting the second frictional force upon the plunger shaft in response to the engagement of the ram member with the shaft brake, the second frictional force being less than the first frictional force.breathing tube.

The method of claim 14 wherein the syringe manufacturers further includes a needle being removably mounted to the bottom syringe body end and extending therefrom opposite the top syringe body end, the piston including a punch to engage the needle upon the piston reaching the bottom syringe body end, the piston being operative to remove the needle into the syringe cavity upon exertion of the vacuum force upon the plunger shaft, the method further including the steps of: a. engaging the needle with the punch; and b. automatically removing the needle into the syringe cavity.urinary catheter.

by: ericfu

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