Cdex, Inc. (fka CDEX)

[capnmike]

d4diddy, I have invested in this technology and choose to remain invested as I believe the future could be extremely rewarding. d4diddy, you certainly seem to be uneasy, or unhappy, or frustrated... I don't know. However, I DO KNOW that significant errors were caught per Univ of Michigan Health/Mott Children's, and I've talked with medical staff/researchers from the Univ of Michigan... yes indeed, some of the best in the world are working with CDEX technology applications and it has already improved (or perhaps even SAVED??) some lives. This is important to me as a shareholder. Management might be successful in dealing with their financial issues, but the technical team has indeed been successful in bringing important technology from the lab into children's hospitals - the real world with real issues and real families involved.



ValiMed has been demonstrated to be capable of reliably detecting significant errors

Relatively inexpensive compared to chemical analysis

True “end product testing” vs. bar coding

Validated dose receives two auxiliary labels

Device has prevented at least three significant errors since implementation

Planning for additional device for University Hospital (adult patients)

http://www.michiganpharmacists.org/fluorometry.pdf


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d4diddy, these are very good and very talented people!

James G. Stevenson, Pharm.D., FASHP
Denise Glenn, BS Pharm
Deborah Pasko, Pharm.D.
John Mitchell, Pharm.D.
YamanKaakeh, Pharm.D.
Brian De Smet, Pharm.D.
Hanna Phan, Pharm.D.

http://www.michiganpharmacists.org/fluorometry.pdf

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What is the Michigan Pharmacists Association?

http://www.michiganpharmacists.org/index2.htm

The MPA Executive Board Members represent various areas of Michigan as well as various pharmacy practice settings.

http://www.michiganpharmacists.org/index2.htm

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http://www.baxa.com/Products/Default.asp?ID=2&Item=9&ProductGroup=1449&ProductGroupName=....

http://www.baxa.com/Products/RelatedDocs/Baxa_ValiMed_Reprint.pdf

http://www.baxa.com/Products/RelatedDocs/5300099305A.pdf

http://www.baxa.com/Products/RelatedDocs/ASHP%20UM%20ValiMed%20Poster.pdf

http://www.med.umich.edu/opm/newspage/2004/ranking.htm


BEST HOSPITALS 2006
Honor Roll

Out of 5,189 hospitals, only 3 percent, 176 in all, are ranked in one or more of the 16 specialties in this year's "America's Best Hospitals." And of those, just 14 qualified for the Honor Roll by ranking at or near the top in at least six specialties—a demonstration of broad expertise. The order is based on points—2 points for ranking in the topmost tier, 1 point for the second tier (View 2006 Methodology).

University of Michigan Hospitals and Health System, Ann Arbor
11 points in 9 specialties

http://www.usnews.com/usnews/health/best-hospitals/honorroll.htm

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Memorial Medical Center Purchases ValiMed™ Medication Validation System for Hospital Pharmacy

ValiMed Purchased to Verify Compounded Medication Doses, and Validate Narcotic Returns

http://www.cdex-inc.com/pr/92006.html

Tucson Medical Center Selects ValiMed™ Medication Validation System for Hospital Pharmacy

ValiMed Selected to Verify Compounded Medication Doses, and Validate Narcotic Returns

http://www.cdex-inc.com/pr/91906.html

Primary Children’s Medical Center Selects ValiMed™ Medication Validation System for Hospital Pharmacy

ValiMed Unit purchased to Verify Compounded Medication Doses, and Validate Narcotic Returns

http://www.cdex-inc.com/pr/91806.html

Texas Children’s Hospital Selects ValiMed™ Medication Validation System for Hospital Pharmacy

Three ValiMed Units purchased to Verify Compounded Medication Doses, and Validate Narcotic Returns

http://www.cdex-inc.com/pr/81506.html

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U. S. Patent and Trademark Office Issues Patent to CDEX Inc.

Patent provides system and method for detecting a chemical substance using x-ray fluorescence

http://www.cdex-inc.com/pr/91406.html

http://patft.uspto.gov/netahtml/PTO/search-bool.html

United States Patent 7,106,826
Poteet , et al. September 12, 2006

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System and method for adapting a software control in an operating environment


Abstract
A system and method for detecting a substance using x-ray fluorescence is disclosed. The detected substances may be explosives or controlled substances that have a specific chemical fluorescent signature. An energy source transmits an x-ray beam at a target. The target may be in a container or under a surface. The beam interacts with the target to produce fluorescent energy. An x-ray detector is at an angle relative to the energy source and gathers the fluorescent energy. The angle differs according to the physical configuration of the system. A portable embodiment will have a different angle than a stationary embodiment. A cooling mechanism cools the x-ray detector. The fluorescent energy is analyzed and processed by a multichannel analyzer and a computer. The computer determines whether the fluorescent energy from the target matches known fluorescent energies of specific substances. If the substance is detected, appropriate indications are made to prevent damage or acceptance of the substance.


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Inventors: Poteet; Wade M. (Tucson, AZ), Cauthen; Harold K. (Sonoita, AZ), Shriver; Timothy D. (Tuscon, AZ)
Assignee: CDEX, Inc. (Rockville, MD)

Appl. No.: 10/268,678
Filed: October 11, 2002

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Current U.S. Class: 378/45 ; 378/57
Current International Class: G01N 23/223 (20060101)
Field of Search: 378/44,45,48,49,50,57 250/253,269.1,358.1,370.09



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References Cited [Referenced By]

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U.S. Patent Documents

5937026 August 1999 Satoh
6178227 January 2001 Sato
6266390 July 2001 Sommer et al.
6459767 October 2002 Boyer
6501825 December 2002 Kaiser et al.
6519315 February 2003 Sommer, Jr. et al.

Primary Examiner: Thomas; Courtney
Attorney, Agent or Firm: Hogan & Hartson LLP

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Parent Case Text

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CROSS REFERENCE TO RELATED APPLICATIONS

This application claim benefit of U.S. Provisional Patent Application No. 60/344,787 entitled "Method and Apparatus for Substance Detection, Inspection, and Classification Using X-ray Fluorescence," filed Jan. 7, 2002, which is hereby incorporated by reference.
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Claims

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What is claimed is:

1. A system for detecting a substance, comprising: an energy source to transmit an x-ray beam at a target to produce fluorescent energy; an x-ray detector to detect said fluorescent energy from said target, wherein said x-ray detector is at an angle to said energy source; an active cooling mechanism to cool said x-ray detector; a multichannel analyzer to receive said fluorescent energy from said x-ray detector; and a computer coupled to said multichannel analyzer to determine whether said fluorescent energy corresponds to said substance, wherein the system is operable at large standoff distances of at least about one meter.

2. The system of claim 1, further comprising a controller coupled to said energy source, wherein said controller provides power and control to said energy source.

3. The system of claim 1, further comprising a display to indicate status to a user of said detection system, wherein said display is coupled to said computer.

4. The system of claim 1, further comprising a shielded enclosure around said energy source.

5. The system of claim 1, wherein said angle is about 45 degrees to about 65 degrees.

6. The system of claim 1, wherein said substance is an explosive.

7. The system of claim 1, wherein said substance is a controlled substance having certain chemical properties.

8. The system of claim 1, wherein said energy source is a tungsten output source.

9. The system of claim 1, wherein said x-ray detector is annealed.

10. A portable system for detecting a substance under a surface, wherein said system includes a detection module and a support module, comprising: an energy source within said detection module to transmit an x-ray beam at a surface location, wherein said energy source is mounted on an equipment support; an x-ray detector within said detection module to detect fluorescent energy from a vapor plume corresponding to said surface location, wherein said x-ray detector is at an angle relative to said energy source and mounted on said equipment support; an active cooling mechanism to cool said x-ray detector; a portable multichannel analyzer within said support module to receive said fluorescent energy; a computer within said support module coupled to said portable multichannel analyzer to determine whether said fluorescent energy corresponds to said substance; and a battery within said support module to supply power to said detection module and said support module, wherein the system is operable at large standoff distances of at least about one meter.

11. The portable system of claim 10, wherein said support module is a backpack.

12. The portable system of claim 10, further comprising a readout box coupled to said support module to display information.

13. The portable system of claim 10, wherein said substance under said surface is an explosive.

14. The portable system of claim 10, wherein said angle is about 25 degrees to about 40 degrees.

15. A method for detecting a substance, comprising: directing an x-ray beam at a target from an energy source, the target located at a large standoff distance of at least about one meter; interacting said target with said beam to produce fluorescent energy; detecting said fluorescent energy from an x-ray at an angle from said energy source using an actively cooled x-ray detector; analyzing said fluorescent energy to determine whether said fluorescent energy corresponds to said substance.

16. The method of claim 15, wherein said analyzing includes comparing said fluorescent energy to a signal spectrum of known substances.

17. The method of claim 15, further comprising indicating whether said target is said substance.

18. The method of claim 15, further comprising processing said fluorescent energy with a multichannel analyzer.

19. A method for detecting a substance, comprising: providing power to an energy source to transmit an x-ray beam to large standoff distances of at least about one meter; producing fluorescent energy from an item in response to said x-ray beam; detecting said fluorescent energy over an integration period at an actively cooled x-ray detector; processing said fluorescent energy; and determining whether said item is said substance according to said fluorescent energy.

20. The method of claim 19, further comprising moving said item on a conveyor belt.

21. The method of claim 19, further comprising adjusting said x-ray beam using a controller coupled to said energy source, to compensate for background noise.

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Government Contract News
The latest federal, state and local government IT contract news.

Missouri State Highway Patrol to Evaluate Drug Detection Equipment
CDEX Inc., announced today that it has received notification to proceed with the Missouri State Highway Patrol to conduct a pilot test and field evaluation program of three of CDEX Illicit Drug Detector prototypes. The units will be evaluated for their effectiveness and efficacy in detecting trace amounts of methamphetamine. CDEX anticipates that the Pilot Test and Evaluation Program will be concluded by the end of 2006.

http://www.govtech.net/contracts/story.php/100803