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US 8,524,151 B2Granted
Method for radiation sterilization of medical devices
AssigneeAbbott Cardiovascular Systems Inc.
InventorsAbigail Freeman, Gregory S. Simmons, Brian D. Riggs, Robert Harrison, Dan Castro, Bin Huang
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Abstract
Methods and systems for selection radiation exposure in sterilization of medical devices are disclosed.
Claims16
A method of sterilizing a stent delivery assembly comprising:
- disposing a covering over a selected section of the stent delivery assembly;
- and
- exposing the stent delivery assembly to radiation from a radiation source having a delivered dose;
- wherein the covering selectively modifies the radiation from the radiation source such that the selected section receives a modified dose of radiation, the modified dose being less than the delivered dose and satisfying a required sterility assurance level (SAL).
1 more element
A method of sterilizing a stent delivery assembly comprising:
- exposing the stent delivery assembly to a delivered dose of radiation from a radiation source, wherein a covering over a selected section of the stent delivery assembly selectively modifies the radiation from the radiation source such that the selected section of the stent delivery assembly receives a modified dose of radiation;
- wherein the covering is a sheath surrounding a portion of the stent delivery assembly;
- and
- wherein the modified dose is less than the delivered dose and satisfies a required sterility assurance level (SAL).
1 more element
Dependencies are inferred from the claim text.