| |
Generation I
Needle
Concealment |
Generation II
Manual
Lock and Retract |
Generation III
Spring
Loaded Needles |
Generation IV
Smart
Syringe |
 |
| Construction |
Conceal needle point by axial / hinged tubes |
Snap needle plunger. Retract-break plunger |
Needle-spring engage nozzle via bushing |
Spring loaded needle holder locked to barrel by switch |
| |
| Retraction |
Manual Concealment |
Manual Retraction |
Passive (Spring) |
Passive (Spring) |
| |
| Operation |
Two-Hand |
Two-Hand |
Single-Hand |
Single-Hand |
| |
| Actuation |
Manual/Voluntary |
Manual/Voluntary |
Involuntary |
Involuntary/Voluntary |
| |
| Dead Space |
Large |
Large |
Significant/Large |
Minimum |
| |
| Hydraulic Pressure Effect |
None |
None |
Disablement Possible |
Unaffected |
| |
| Needle |
Interchangeable |
Interchangeable |
Pre-attached |
Pre-attached |
| |
| Restriction |
None |
None |
Viscous Fluids/Blood |
None |
| |
| Single Use |
Possible Reuse |
Possible Reuse |
Interlocked on Use |
Plunger Locks to Barrel |
| |
| Training Required |
Yes |
Yes |
No |
No |
| |
FDA
510K
March 1999 Compliance |
No |
No |
Yes |
Yes |
| |
NIOSHI Pub 2000-108
Nov. 1999 Compliance |
No |
No |
Yes |
Yes |
