Automatic zipper package winding and packaging machine

Details Automatic zipper package winding and packaging machine Automatic zipper package winding and packaging machine

B - Operations, Transporting

65

B

B65B 19/34 (2006.01) A61B 17/06 (2006.01)

Patent

CA 2184466

The specification discloses an automated apparatus and method for packaging surgical needles having sutures attached thereto wherein a bundle of needles and sutures are placed at a semi-automated separation station and an operator feeds the needles, one at a time, into a rotating needle feed wheel. As the feed wheel advances, the suture is tensioned and directed along a pre-determined path to separate it from the remaining sutures in the bundle. The apparatus has a plurality of individually rotatable tool nests which are sequentially spaced on a rotating or indexing turntable. These tool nests sequentially receive plastic packages for receiving the needle and suture at a first station. At a second station, a needle is inserted into the package by robotic fingers which have retrieved the needle and attached suture from the rotating needle feed wheel. The rotating needle feed wheel and the rotating tool nests are synchronized to step together as each advances. At a third station, the package and needle are rotated to tension the suture and position the package and the suture for automatic winding of the suture into the package. At a fourth station, the rotatable tool nest is rapidly rotated to wind the suture into a circumferential channel in the package which surrounds the needle. The package is optically expected to ensure orientation and position of the needle, and to ensure that the suture has been wound entirely into the suture receiving channel. At the next station, a cover attaching mechanism stakes a cover into the package using self-locking tabs defined between the package and the cover. The labeled package is then inspected, and off-loaded at the final work station to a tray which receives a plurality of suture packages for sterilization and final packaging. While the operation of the device is computer-controlled, most of the mechanical elements are driven from a single camshaft through a plurality of cams and cam followers. Unique mechanisms are also described to separate a single label from a stack of labels, and to transfer the label for staking on the package. A unique mechanism is described for removing the package from the tool nest and either discarding the package, if it failed one of the inspection steps, or placing the package into a carrier for sterilization and final packaging.

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