Clip Ejector for Endoscopic Clip Applier
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Accused Products
Abstract
A flexible endoscopic clip applier includes a flexible coil with a manual actuator coupled to one end and a jaw assembly coupled to the other end. A store of clips is arranged adjacent to the jaw assembly and a clip pusher is arranged adjacent to the store of clips. The actuator includes a lever for opening and closing the jaws, a knob for rotating the jaw assembly, and a crank for dispensing clips. The knob and the lever are coupled to a single control member which extends through the coil to a joiner where it is joined to a pair of pull wires coupled to the jaws. The crank is coupled to a second control member which is threaded along a distal portion. The threaded portion engages a threaded member near the pusher and is coupled to the pusher such that rotation of the threaded control member by the crank causes the pusher to be moved distally.
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Citations
16 Claims
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1-5. -5. (canceled)
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6. An endoscopic clip applier, comprising:
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a flexible coil having a proximal end and a distal end;
a pair of jaws coupled to the distal end of said flexible coil;
a manual actuator coupled to said proximal end of said flexible coil;
at least one clip stored proximal of said jaws;
a clip dispenser located at said clip which pushes said clip into said jaws;
at least one control member coupled to said manual actuator, said jaws, and said clip dispenser such that said manual actuator is operable to open and close said jaws and dispense a clip; and
means for automatically moving said jaws distally away from said clip after said clip is pushed into said jaws. - View Dependent Claims (7, 8)
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9. A method for dispensing an endoscopic clip, comprising:
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delivering an instrument through the tortuous lumen of an endoscope, the instrument including a flexible coil, a pair of jaws coupled to the distal end of the coil, and a clip pusher which pushes a clip into the jaws when the jaws are closed;
closing the jaws with sufficient force that at least a distal portion of the flexible coil is compressed and thereby stiffened;
pushing a clip into the closed jaws while the distal portion of the coil is stiffened. - View Dependent Claims (10, 11)
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12. An endoscopic clip applier, comprising:
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a flexible coil having a proximal end and a distal end;
a pair of jaws located at and coupled to the distal end of said flexible coil;
a manual actuator located at and coupled to said proximal end of said flexible coil;
at least one clip stored proximal of said jaws;
a clip dispenser located at said clip for pushing said clip into said jaws;
at least one control member coupled to said manual actuator, said jaws, and said clip dispenser such that said manual actuator is operable to open and close said jaws and dispense a clip, wherein at least a distal portion of said flexible coil is pre-loaded so that when said jaws are closed, said pre-loaded portion is compressed and when said jaws are opened, said pre-loaded portion springs distally. - View Dependent Claims (13, 14, 15, 16)
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Specification