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FDA Medical Device Recalls (openFDA)

HemoSense Inc: HemoSense INRatio2 Prothrombin Time Monitor, manufactured by HemoSense Incorporated. The INRatio2 PT Monitoring System is used for the quantitative measurement of Prothrombin Time (PT) in fresh, capillary whole blood.

Recall number
Z-1256-2009
Recalling firm
HemoSense Inc
Product
HemoSense INRatio2 Prothrombin Time Monitor, manufactured by HemoSense Incorporated. The INRatio2 PT Monitoring System is used for the quantitative measurement of Prothrombin Time (PT) in fresh, capillary whole blood.
Status
Terminated
Initiated
2008-12-23
Posted
2009-05-22
Terminated
2011-03-25
Reason
INRatio Monitors that were manufactured with a specific EEPROM memory chip fail during use. The monitors report an error code and do not report a test result.
Root cause
Nonconforming Material/Component
Action
Letters for each product titled "Urgent: Medical Device Recall Notice" dated December 19, 2008 were issued explaining the problem and instructing users to discontinue use, complete the provided reply form and return the device by mail to Inverness Medical. Distributors of the violative device were instructed to contact their customers and provide the same recall information. Further questions should be addressed to HemoSense Technical Service at 1-877-441-7440.
Quantity
921 units
Distribution
Worldwide Distribution in the US, Germany, Spain and Australia.
Lot, serial or model codes
Product Numbers: 0200431 and 0200432.
510(k) numbers
["K072727"]
PMA numbers
not on file
Product code
GJS
Firm FEI
3003038758
Firm city
San Jose
Firm state
CA
Firm country
not on file

Where this comes from

Register
FDA Medical Device Recalls (openFDA)
Publisher
U.S. Food and Drug Administration (openFDA)
File
device-recall-0001-of-0001.json.zip
sha256
b87518bfe2e8
Size
288210821 bytes
Published
2026-09-28
Read
2026-09-29T08:25:23.626Z
Source file
Source file retained · verify
Refresh due
2026-10-06

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Cite as

FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28

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