LOW-DOSE RADIATION STERILIZATION

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: 2R44GM060080-02
Agency Tracking Number: GM060080
Amount: $693,609.00
Phase: Phase II
Program: SBIR
Awards Year: 2002
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
POLY-MED, INC., 6309 HWY 187, ANDERSON, SC, 29625
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 SHALABY SHALABY
 (864) 646-8544
 SHALABY@POLY-MED.COM
Business Contact
  JOANNE E SHALABY
Phone: (864) 646-8544
Email: SHALABY@POLY-MED.COM
Research Institution
N/A
Abstract
Phase I study and recent results demonstrated that (1) polypropylene (PP) monofilament and polyglycolide (PG) braided sutures can be sterilized by 5 and 7.5 kGy gamma radiation in sealed packages in the presence of minute amounts of radiolytically controlled formaldehyde (CH2O) precursors; (2) under radiochemical sterilization (RC-S) conditions described in 1, in vitro and in vivo suture properties of PP and PG are not significantly compromised; (3) in typical RC-S cycles, minutes amounts of unstabilized Celcon-M90 can radiolytically produce sufficient CH20 to sterilize contaminated and uncontaminated sutures and spore strip controls; and (4) Celcon power can be used as a source of sterilizing formaldehyde and a slow absorbent for excess CH20 in the package, resulting in insignificant quantities of residual CH20 in sterilized packages. Phase II objectives are to (1) optimize RC-S conditions to achieve device and spore strip sterility at a dose of less than or equal too 5 kGy, while attaining a practically CH2O-free gas environment in the package; (2) develop the RC-S process in concert with package development for broad application to several forms of devices comprising absorbable and non-absorbable radiation-sensitive parts; and (3) conduct studies to support installation of self standing (or shared) contract RC-S facilities in Phase III. Phase II plans entail (1) optimizing the RC-S process for use with absorbable sutures and allied devices at less then or equal too 5 kGy toward selecting a practical combination of Celcon weights and device holders; (2) extending RC-S applications to absorbable orthopedic devices; (3) validating the RC-S process for typical commercial and selected experimental sutures, orthopedic, and related products; and (4) developing plans with a radiation technology partner to construct a self-standing (or shared) RC- S facility for precise delivery of less than or equal too 5 kGy radiation to prepackaged products in Phase III.

* Information listed above is at the time of submission. *

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