Endoscopic instrument including a handle having a flywheel mechanism
First Claim
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1. An endoscopic or laparoscopic surgical instrument comprising:
- a handle assembly including a housing and at least one movable handle member;
a body portion extending from said housing of said handle assembly including a tubular member having a lumen and a flexible member, said flexible member slidably positioned within said tubular member and operatively connected to said movable handle, said flexible member terminating in a tool mechanism; and
rotatable means positioned within said housing of said handle for extending and withdrawing said tool mechanism from within said lumen upon movement of said movable handle member;
wherein said flexible member is at least partially wound about said rotatable means and extends at least partially through said tubular member.
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Abstract
A handle for an endoscopic or laparoscopic surgical instrument including a flexible member positioned within a tubular body member extending from the handle. The flexible member is secured about a rotatable flywheel spool in said handle and extends to a tool mechanism at a distal end of the instrument. The flexible member is wound about the flywheel spool and is extended or withdrawn upon movement of the handle.
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Citations
21 Claims
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1. An endoscopic or laparoscopic surgical instrument comprising:
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a handle assembly including a housing and at least one movable handle member; a body portion extending from said housing of said handle assembly including a tubular member having a lumen and a flexible member, said flexible member slidably positioned within said tubular member and operatively connected to said movable handle, said flexible member terminating in a tool mechanism; and rotatable means positioned within said housing of said handle for extending and withdrawing said tool mechanism from within said lumen upon movement of said movable handle member; wherein said flexible member is at least partially wound about said rotatable means and extends at least partially through said tubular member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An endoscopic or laparoscopic surgical instrument comprising:
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a handle assembly including a housing and at least one movable handle member, said housing having a rotatable member positioned therein; a body portion extending from said handle assembly including a tubular member having a lumen and an inner rod member positioned within said tubular member, said rod member terminating in a tool member; a flexible member joining said rotatable member and said inner rod member, and means for translating movement of said movable handle member into rotation of said rotatable member, wherein said flexible member is at least partially wound on said rotatable member to effect extension and withdrawal of said tool member from within said lumen with respect to said tubular member upon movement of said movable handle member. - View Dependent Claims (11, 12, 13, 14, 15)
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16. An endoscopic or laparoscopic retractor device comprising:
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a handle assembly including a housing and at least one movable handle member; a body portion secured to said handle assembly including an outer tubular member and a flexible inner rod member positioned within said tubular member; a plurality of flexible finger members positioned on said flexible inner rod member at an end opposite said handle assembly; and rotatable means having said flexible member at least partially wound thereon for translating movement of said handle member to movement of said flexible inner rod member to deploy and withdraw said plurality of finger members from within said outer tubular member. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification