FDA Medical Device Recalls (openFDA)
Instrumed International, Inc.: Schoitz weights are manual devices used with Schoitz tonometers and are intended to measure intraocular pressure by applying a known force on the globe of the eye and measuring the amount of indentation produced (Schiotz type) or to measure intraocular tension by applanation (applying a small flat disk to the cornea) and are sold under the Ambler Surgical brand name.
- Recall number
- Z-0559-2015
- Recalling firm
- Instrumed International, Inc.
- Product
- Schoitz weights are manual devices used with Schoitz tonometers and are intended to measure intraocular pressure by applying a known force on the globe of the eye and measuring the amount of indentation produced (Schiotz type) or to measure intraocular tension by applanation (applying a small flat disk to the cornea) and are sold under the Ambler Surgical brand name.
- Status
- Terminated
- Initiated
- 2014-09-08
- Posted
- 2014-12-16
- Terminated
- 2017-11-29
- Reason
- The reason these devices are being withdrawn from the market by Instrumed is that Instrumed did not market these devices prior to September 26, 1976, and therefore, does not meet all FDA requirements to market the devices as "Pre-Amendment" devices.
- Root cause
- No Marketing Application
- Action
- Instrumed sent an URGENT: MEDICAL DEVICE MARKET WITHDRAWAL letters dated October 9, 2014 to all affected customers. The letter included instructions for customers to: 1) examine their inventory to determine if there are any recalled devices; 2) complete and return the enclosed Confirmation Request Form; 3) return the recalled devices; and 4) share the recall information with facility staff. Customers with questions were instructed to contact Instrumed by telephone at 847-908-6119.
- Quantity
- 3 Schoitz weights
- Distribution
- Nationwide Distribution including AZ, CA, FL, IL, KS, MI, NC, OH, PA, TN, TX, and VA.
- Lot, serial or model codes
- 1) Instrumed Product Name: Schoitz Weights 7.5 grams; Instrumed Product Number: 720-55812; Trade Name: Ambler Surgical; Ambler Surgical Product Name: Schoitz Weights 7.5 grams; Ambler Surgical Item Number: 5754B; Lot Number: 050411. 2) Instrumed Product Name: Schoitz Weights 15.0 grams; Instrumed Product Number: 720-55822; Trade Name: Ambler Surgical; Ambler Surgical Product Name: Schoitz Weights 15.0 grams; Ambler Surgical Item Number: 5754F; Lot Number: 050411.
- 510(k) numbers
- not on file
- PMA numbers
- not on file
- Product code
- HKY
- Firm FEI
- 1421101
- Firm city
- Schaumburg
- Firm state
- IL
- 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