Blood sampling device with shield

Details Blood sampling device with shield Blood sampling device with shield

1988-02-17

1989-06-20

Hindenburg, Max

Surgery

Truss

Pad

128770, 604198, 604263, A61B 500

Patent

active

048401854

ABSTRACT:
A protective shield for a syringe and vacuum tube holder wherein the barrel of either instrument is provided with helical grooves, locking grooves and locking detents. The shield is provided with internal buttons which engage the helical grooves and permit longitudinal movement of the shield into a locked rearward or use position or moved forward into a protective position wherein a needle assembly projecting from the barrel is prevented from accidentally coming into contact with the user.

REFERENCES:
patent: 3244172 (1966-04-01), Brown
patent: 3987940 (1976-10-01), Tischlinger
patent: 3993063 (1976-11-01), Lamabee
patent: 4185619 (1980-01-01), Reiss
patent: 4398544 (1983-08-01), Nugent et al.
patent: 4425120 (1984-01-01), Sampson et al.
patent: 4592744 (1986-06-01), Jagger et al.
patent: 4643199 (1987-02-01), Jennings et al.
patent: 4664128 (1987-05-01), Lee
patent: 4693708 (1987-09-01), Wandeser et al.
patent: 4723943 (1988-02-01), Spencer

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