Selflocking syringe

Details Selflocking syringe Selflocking syringe

1992-03-16

1993-06-29

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604195, A61M 500

Patent

active

052229432

ABSTRACT:
The invention regards a selflocking syringe. The syringe rod (13) is equipped with an extractor (15) which, when the syringe plunger (12) is pushed to the end of the stroke, hooks (15b) the needle (11) and withdraws it by means of a preloaded spring (16) to the inside of the rod (13), into a protected and inaccessible position, thus making the syringe unserviceable already after its first use.

REFERENCES:
patent: 4874382 (1989-10-01), Lindemann et al.
patent: 4955870 (1990-09-01), Ridderheim et al.
patent: 5084029 (1992-01-01), Tagliaferri et al.

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