CryoCheck Factor VII Deficient Plasma is human plasma deficient in the factor VII coagulation protein while having all other coagulation factors within normal limits. It is indicated for use to assess factor VII deficiencies in in vitro clot-based factor VII assays using the one stage prothrombin time.
Device Story
CryoCheck Factor VII Deficient Plasma is human plasma depleted of Factor VII; other coagulation factors remain at normal levels. Used in clinical laboratories by technicians/pathologists to perform in vitro clot-based Factor VII assays. Patient plasma sample mixed with deficient plasma; degree of PT correction measured. Proportional relationship between PT correction and patient Factor VII levels allows quantification of deficiency. Assists clinicians in diagnosing congenital or acquired Factor VII deficiencies affecting hemostasis.
Clinical Evidence
No clinical data provided; bench testing only.
Technological Characteristics
Human plasma substrate; Factor VII depleted; other coagulation factors maintained at normal levels. Formulated for use in standard one-stage prothrombin time (PT) clot-based assays.
Indications for Use
Indicated for in vitro assessment of Factor VII deficiencies in patients with suspected congenital or acquired coagulation factor deficiencies using clot-based one-stage prothrombin time (PT) assays.
Related Devices
K971227 — CRYO CHECK FACTOR X DEFICIENT PLASMA · Precision Biologicals, Inc. · Jul 18, 1997
K971223 — CRYO CHECK FACTOR V DEFICIENT PLASMA · Precision Biologicals, Inc. · Jul 22, 1997
K970607 — UNIVERSAL REAGENT FACTOR VII DEFICIENT PLASMA · Universal Reagents, Inc. · Apr 25, 1997
K971225 — CRYO CHECK FACTOR VIII DEFICIENT PLASMA · Precision Biologicals, Inc. · Jul 17, 1997
{0}
DEPARTMENT OF HEALTH & HUMAN SERVICES
Public Health Service
Food and Drug Administration
2098 Gaither Road
Rockville MD 20850
Sandy Morrison
Precision Biologicals
900 Windmill Road, #100
Dartmouth, Nova Scotia
Canada B3B 1P7
Re: K971224
CryoCheck Factor VII Deficient Plasma
Regulatory Class: II
Product Code: GJT
Dated: May 29, 1997
Received: June 2, 1997
Dear Ms. Morrison:
We have reviewed your Section 510(k) notification of intent to market the device referenced above and we have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.
If your device is classified (see above) into either class II (Special Controls) or class III (Premarket Approval), it may be subject to such additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 895. A substantially equivalent determination assumes compliance with the current Good Manufacturing Practice requirement, as set forth in the Quality System Regulation (QS) for Medical Devices: General regulation (21 CFR Part 820) and that, through periodic (QS) inspections, the Food and Drug Administration (FDA) will verify such assumptions. Failure to comply with the GMP regulation may result in regulatory action. In addition, FDA may publish further announcements concerning your device in the Federal Register. Please note: this response to your premarket notification submission does not affect any obligation you might have under sections 531 through 542 of the Act for devices under the Electronic Product Radiation Control provisions, or other Federal Laws or Regulations.
JUL 17 1997
{1}
Page 2
Under the Clinical Laboratory Improvement Amendments of 1988 (CLIA-88), this device may require a CLIA complexity categorization. To determine if it does, you should contact the Centers for Disease Control and Prevention (CDC) at (770) 488-7655.
This letter will allow you to begin marketing your device as described in your 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801 and additionally 809.10 for in vitro diagnostic devices), please contact the Office of Compliance at (301) 594-4588. Additionally, for questions on the promotion and advertising of your device, please contact the Office of Compliance at (301) 594-4639. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 807.97). Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers Assistance at its toll-free number (800) 638-2041 or (301) 443-6597 or at its internet address "http://www.fda.gov/cdrh/dsmamain.html".
Sincerely yours,
Steven I. Gutman, M.D., M.B.A.
Director
Division of Clinical Laboratory Devices
Office of Device Evaluation
Center for Devices and Radiological Health
Enclosure
{2}
DPB
Page 1 of 1
510(k) Number (if known): not yet issued
Device Name: CryoCheck Factor VII Deficient Plasma
Indications For Use: Deficiencies in coagulation factors may have congenital or acquired etiologies and can compromise in vivo hemostasis. Factor VII is a single chain molecule with a molecular weight of 45,000 - 50,000 and is important for extrinsic coagulation. Factor VII deficiency is commonly diagnosed in vitro through the use of a modified prothrombin time (PT) assay. When a patient sample is mixed with factor VII deficient plasma, the degree of correction of the PT is proportional to the level of Factor VII in the patient plasma.
CryoCheck Factor VII Deficient Plasma is human plasma deficient in the factor VII coagulation protein while having all other coagulation factors within normal limits. It is indicated for use to assess factor VII deficiencies in in vitro clot-based factor VII assays using the one stage prothrombin time.

(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Prescription Use ☑ (Per 21 CFR 801.109)
OR
Over-The-Counter Use ☐ (Optional Format 1-2-96)
Panel 1
/
Sort by
Ready
Predicate graph will load when search results are available.
Embedding visualization will load when search results are available.
PDF viewer will load when search results are available.
Loading panels...
Select an item from Submissions
Click any panel, subpart, regulation, product code, or device to see details here.
Section Matches
Results will appear here.
Product Code Matches
Results will appear here.
Special Control Matches
Results will appear here.
Loading collections...
Loading
My Alerts
You will receive email notifications based on the filters and frequency you set for each alert.
Sort by:
Create Alert
Search Filters
Agent Token
Create a read-only bearer token for Claude, ChatGPT, or other agents that can call HTTP APIs.