United States Surgical Corporation

Mark S Peyser

Ernie Aranyi

Douglas J Cuny

Paul J Phillips

Gary Kappel

H Jonathan Tovey

Csaba L Rethy

James R Pratt

Scott W Reed

John Webster

Douglas W Strauss

A surgical clip applier includes a housing, a pair of handles pivotably connected to opposite sides of the housing, a channel assembly which is anchored to the housing and a jaw assembly which is anchored to the channel assembly. The jaws are opened and closed by a cam plate which is slidably positioned in the channel assembly and is provided with cam slots at its distal end to engage drive rivets positioned on the jaw members. A pusher bar assembly is also provided to feed clips from a series of clips to the jaw mechanism, and the instrument operates such that all moving components move in the same direction during the closing stroke of the handle, and then move in the same direction opposite to the closing direction when the handles are in the opening stroke. A novel lockout mechanism is also provided to render the instrument inoperable after all the clips have been utilized from the instrument.

Surgical clip applier

A surgical clip applier includes a housing, a pair of handles pivotably connected to opposite sides of the housing, a channel assembly extending from the housing and a jaw assembly. A pusher bar assembly is provided to feed clips from a series of clips to the jaw mechanism under the influence of a spring, and a damping mechanism is provided to generate a force on the pusher member to counteract the spring force and decelerate the distal advancement of the pusher member as a clip is fed to the jaw assembly.

An apparatus is provided for applying surgical clips which includes provisions for applying a partially closed clip to ducts or shunts during a surgical procedure. The apparatus includes a ratchet mechanism for permitting incremental closure of a pair of jaw members. A slide member is associated with the ratchet mechanism to prevent a movable handle from opening during a closing stroke until the closing stroke is completed.

Apparatus for applying surgical clips with improved jaw and closure

An apparatus is provided for applying surgical clips which includes provisions for applying a partially closed clip to ducts or shunts during a surgical procedure such as cholecystectomy procedures. The apparatus includes means for effecting a partial closing stroke of the handle mechanism to correspond to a partial closure of the jaw members, and permits a partial opening stroke to release the partially closed clip in the jaw mechanism. Other features of the invention include means for preventing over advancement of a clip to the jaw mechanism, means for cradling the clip as it is advanced from the clip supply to the jaw mechanism, means for preventing splaying of the jaws in the event of a clip-over-clip application, and a novel rotation collar. The instrument of the present invention provides the surgeon with visual, audible, and tactile indication of the positioning of the jaw members to effect the application of a partially closed clip.

Apparatus for applying surgical clips

A hemostatic clip for application to body tissue is disclosed which includes opposed leg portions connected by a bail portion with each leg portion having a tissue contacting surface defined thereon. A pair of projections and a pair of recessed areas are defined on each tissue contacting surface and are disposed in an alternating arrangement such that the movement inhibiting structures on one leg portion are in juxtaposed alignment with those on the opposed leg portion.

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Monroe, CT, United States of America

Mark S Peyser