A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 5/448 (2006.01)
Patent
CA 2071431
TWO-PIECE OSTOMY APPLIANCE AND COUPLING THEREFOR WITH ROCKING WEDGE LOCK Abstract of the Disclosure A two-piece ostomy appliance having a pair of coupling rings that detachably connect a collection pouch and an adhesive faceplate. One of the coupling rings, preferably the faceplate coupling ring, is provided with a substantially non-compressible insert that includes an axially-extending collar, a bulbous non-deformable wedge body, and a radially-extending pivot stem that centrally connects the collar and wedge body. The pivot stem allows limited forward and rearward rocking movement of the wedge body about a pivot axis extending through the stem. A massive front portion of the wedge body has an inwardly and rearwardly curved bearing surface of progressively increasing distance from the pivot axis so that the radial width of the insert decreases as the wedge body rocks rearwardly and forceably increases as it rocks forwardly about the axis, in response to frictional engagement with the walls of the channel, when coupling and uncoupling forces are exerted on the rings.
Borden Ladner Gervais Llp
Hollister Incorporated
LandOfFree
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