Detachable articulating endoscopic tool cartridge
First Claim
Patent Images
1. A medical instrument, comprising:
- a shaft comprising a threaded portion on a distal end of the shaft and at least one slot on the distal end of the shaft;
a handle connected to the shaft;
a tool insert receivable in the shaft, comprising;
a tool portion including a bearing with at least one protrusion for engagement with the at least one slot to prevent rotation of the tool portion relative to the shaft;
a collar on a proximal side of the bearing and rotatable relative to the tool portion, the collar comprising threads that correspond to the threaded portion of the shaft; and
an elongated member for engagement with the handle for actuation of the tool portion.
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Accused Products
Abstract
A medical instrument is provides that includes a handle, a shaft, and a tool insert. The tool insert is attachable to the shaft by a threaded connection which engages a slot connection and to the handle and by a retaining member for actuation of the tool.
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Citations
21 Claims
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1. A medical instrument, comprising:
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a shaft comprising a threaded portion on a distal end of the shaft and at least one slot on the distal end of the shaft; a handle connected to the shaft; a tool insert receivable in the shaft, comprising; a tool portion including a bearing with at least one protrusion for engagement with the at least one slot to prevent rotation of the tool portion relative to the shaft; a collar on a proximal side of the bearing and rotatable relative to the tool portion, the collar comprising threads that correspond to the threaded portion of the shaft; and an elongated member for engagement with the handle for actuation of the tool portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A medical instrument, comprising:
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a shaft comprising a threaded portion on a distal end of the shaft and at least one slot on the distal end of the shaft; a handle connected to the shaft, comprising; a retaining member comprising an opening and being moveable between a retaining position and an accepting position; a tool insert receivable in the shaft, comprising; a tool portion including a bearing with at least one protrusion for engagement with the at least one slot to prevent rotation of the tool portion relative to the shaft; an elongated member including a ball on a proximal end thereof for engaging with the opening; and a collar on a proximal side of the tool portion and rotatable relative to the tool portion, the collar comprising threads that correspond to the threaded portion of the shaft; wherein the retaining member permits the handle to exert force on the elongated member along a longitudinal axis thereof for actuation of the tool portion. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A medical instrument, comprising:
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a shaft comprising a threaded portion on a distal end of the shaft and at least one slot on the distal end of the shaft; a handle connected to said shaft, comprising; a retaining member comprising an opening and being moveable between a retaining position and an accepting position; a tool insert receivable in the shaft, comprising; a tool portion including a bearing with at least one protrusion for engagement with the at least one slot to prevent rotation of the tool portion relative to the shaft; a collar on a proximal side of the tool portion and rotatable relative to the tool portion, the collar comprising threads that correspond to the threaded portion of the shaft; and an elongated member including a ball on a proximal end thereof for engaging with the opening; wherein the retaining member permits the handle to exert force on the elongated member along a longitudinal axis thereof for actuation of the tool portion. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification