Medical lavage apparatus

Details Medical lavage apparatus Medical lavage apparatus

1990-09-18

1991-09-17

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604187, 604191, 604218, 604220, A61M 500

Patent

active

050491350

ABSTRACT:
An improved medical lavage apparatus (10) includes guide/lock/stop tabs (122) which are inserted through a medical lavage syringe housing (20) into irrigation and aspiration bores (30, 34) thereof for engaging longitudinal ribs (68a-d, 69a-d) of irrigation and aspiration plungers (24, 26) to prevent their rotation and a circumferential latch rib 134a of the aspiration plunger for locking the aspiration plunger in an inserted position. The tabs also contact end circumferential ribs 70' of the plungers for providing stops to prevent the plungers from being removed from their respective bores. The tabs comprise two legs (126) which straddle the longitudinal ribs, with a longitudinal rib 68a of the aspiration plunger having a notch (140) at the tab in the aspiration bore to allow rotation of the aspiration plunger when it is in the inserted position for engaging the legs with the circumferential latch rib.

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