Surgical rotary capture instrument for gastric band closing
AssigneeSymmetry Medical Tnco
InventorsDANIEL B. JONES, JERRY R. GRIFFITHS, FRANCIS J. DIFRANCESCO
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Abstract
An endoscopic surgical rotary capture instrument is used in minimally invasive laparoscopic surgery for closing a gastric band having a buckle end a free end. The rotary capture instrument includes a pusher end that has a stationary jaw and a movable jaw. The movable jaw is actuated by rotary motion of an inner shaft. The jaws are used to gasp securely and push the tube end of the gastric band after it has been threaded through the buckle end of the band. A hook instrument is used to hold the buckle end securely while the rotary capture instrument is used to push the free end of the gastric band.
Claims9
An endoscopic surgical instrument used in minimally invasive surgery for grasping and tightening a ligature band around an internal organ, wherein said ligature band comprises an elongated strap having a buckle end and a distal end, said buckle end having an aperture and a pull tab having a hole thereon and wherein said elongated strap is configured to encircle said internal organ and said distal end is configured to pass through and lockingly engage said aperture thereby tightening said ligature band around said internal organ, the instrument comprising:
- a hook tool configured to engage said hole and pull said pull tab in a first direction while said distal end is pushed through said aperture opposite to said first direction;
- a capture tool configured to engage a protuberance of said distal end and push said distal end after it has been threaded through said aperture;
- wherein said hook tool comprises a hook having a flat portion and a bend portion extending from said flat portion and wherein said flat portion is configured to slide along a flat surface of said pull tab and said bend portion has an inner surface radius matching a radius of said hole;
- and
- wherein said capture tool comprises a stationary jaw and a rotationally movable jaw and wherein said rotationally movable jaw is actuated by rotational motion of an elongated shaft.
A method for tightening a ligature band around an internal organ via minimally invasive surgery comprising:
- providing a ligature band comprising an elongated strap having a buckle end and a distal end, wherein said buckle end has an aperture and a pull tab having a hole thereon;
- inserting said ligature band into a first location of said patient's body through a minimally invasive cannula and encircling said internal organ with said elongated strap;
- inserting a surgical hook tool through said cannula, wherein said hook tool comprises an elongated shaft having a hook end and a handle and wherein said hook end comprises a flat portion and a bend portion extending from said flat portion and wherein said flat portion is configured to slide along a flat surface of said pull tab and said bend portion has an inner surface radius matching a radius of said hole;
- engaging said hole with said hook end;
- inserting a surgical capture tool through said cannula, wherein said capture tool comprises an elongated shaft comprising an outer shaft, a rotatable inner shaft, a capture end and a handle, and wherein said capture end comprises a stationary jaw and a rotationally movable jaw and wherein said rotationally movable jaw is actuated by rotational motion of said inner shaft
- engaging a protuberance in said distal end with said capture tool and inserting said distal end through said aperture;
- and
- pulling said pull tab in a first direction with said hook tool while pushing said distal end through said aperture with said capture tool opposite to said first direction.
Dependencies are inferred from the claim text.