Method of packaging for a sterilizable calibratable medical device
First Claim
1. A method of packaging a medical device comprising a hydratable sensor component, the method comprising the steps of:
- disposing the sensor component within plumbing means adapted to reversibly establish fluid communication between a first reservoir, the sensor component, and a second reservoir, said first reservoir being substantially filled with a hydration solution suitable for hydrating the sensor component and said second reservoir being substantially evacuated, or between the sensor component and the ambient environment of said plumbing means; and
,sealing said medical device, said plumbing means, and said reservoirs within a wrap comprising a gas-permeable surface providing gaseous communication between the ambient environment of said wrap and the ambient environment of said plumbing means.
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Abstract
The present invention provides a package for and method of packaging a sterilizable calibratable medical device including a hydratable sensor component. The device is maintained in a sterile environment during storage and in a clean environment during the calibration procedure. The package includes a manifold connected to the sensor component by plumbing. The plumbing establishes fluid communication between the manifold and the sensor component and/or between the sensor component and the ambient environment of the plumbing. The manifold, plumbing and medical device are sealed in a wrap including a gas-permeable surface. The wrap and its contents, including the interior surfaces of the components, are sterilizable by exposing the wrap to a gaseous sterilization solution and appropriately adjusting the plumbing. The medical device is hydratable by directing the hydration solution to the sensor component by means of the plumbing. In order to store the package over an extended period of time, a gas-impermeable chamber is defined which includes the ambient environment of the plumbing. The gaseous environment of the medical device is thereby controllable. In this manner, the device is prepared for calibration and is storable in the sterile environment. By connecting a reservoir including calibration solution to the plumbing, the calibration solution is directed to the sensor component without removing the medical device from its clean environment. The temperature of the sensor component and the solution are controlled throughout the calibration process in order to ensure that the device is calibrated in accordance with its intended use. The present invention further discloses a solution for preparing the medical device for use. The solution is chemically compatible with the intended use of the device.
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Citations
15 Claims
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1. A method of packaging a medical device comprising a hydratable sensor component, the method comprising the steps of:
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disposing the sensor component within plumbing means adapted to reversibly establish fluid communication between a first reservoir, the sensor component, and a second reservoir, said first reservoir being substantially filled with a hydration solution suitable for hydrating the sensor component and said second reservoir being substantially evacuated, or between the sensor component and the ambient environment of said plumbing means; and
,sealing said medical device, said plumbing means, and said reservoirs within a wrap comprising a gas-permeable surface providing gaseous communication between the ambient environment of said wrap and the ambient environment of said plumbing means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of packaging a medical device comprising a hydratable sensor component, the method comprising the steps of:
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disposing the sensor component within plumbing means adapted to reversibly establish fluid communication between a first reservoir, the sensor component, and a second reservoir, said first reservoir being substantially filled with a hydration solution suitable for hydrating the sensor component and said second reservoir being substantially evacuated, or between the sensor component and the ambient environment of said plumbing means; sealing said medical device, said plumbing means, and said reservoirs within a wrap comprising a gas-permeable surface for providing gaseous communication between the ambient environment of said wrap and the ambient environment of said plumbing means; sterilizing the sensor component by establishing gaseous communication between the sensor component and the ambient environment of said plumbing means and introducing a sterilizing gas through said gas-permeable surface into the ambient environment of said plumbing means; hydrating the sensor component by establishing fluid communication between said first reservoir and the sensor component and delivering said hydration solution from said first reservoir into said plumbing means to contact the sensor component with said hydration solution; creating a gas-impermeable chamber comprising the ambient environment of said plumbing means within said wrap establishing fluid communication between said second reservoir and said sensor component and delivering said hydration solution into said second reservoir; and
,establishing fluid communication between said sensor component and a third reservoir containing a calibration solution suitable for calibrating the sensor component.
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Specification