The Kurin Lock®

Each Kurin blood culture collection set features a Kurin Lock®, a small but powerful specimen diversion device that automates diversion during the routine process of drawing a blood culture.

Watch the Kurin Lock in action

Read the Kurin Video Transcript

Kurin is a device designed to contain the initial volume of blood from the venipuncture site, so that resident contaminants within the skin are not transferred into the blood culture sample.

Watch as we demonstrate the Kurin Lock in slow motion.

With the venipuncture, Kurin acts as a flash chamber providing visual confirmation that the needle is properly placed within the vein. The initial flow of blood—and any contaminants therein—fills a “U” shaped side channel until it reaches a white porous seal. Kurin requires less than 0.15mL, making the device ideal for peds and patients at risk for hypovolemic anemia. When in contact with blood, the seal material is activated to lock the channel so that blood cannot exit and air cannot enter. Flow—in or out—of the side channel is stopped, locking the initial blood and contaminants in place.

With the side channel sealed, a small amount of blood will bypass the contents of the side channel, flowing directly into the collection passage. The blood will advance a variable distance before automatically stopping to indicate that the set is ready for collection bottle attachment.

Once attached, the blood flowing into the culture bottle passes directly from the venipuncture, circumventing the potentially contaminated blood sidelined within the Kurin lock.

When Kurin is used, clinical workflow remains unchanged, blood loss is minimized, and the reduction in contaminants greatly improves the quality of blood samples—benefiting patients, caregivers, and hospitals alike.

Don’t give contamination a pass, employ automated diversion.

Integrated for automatic diversion without altering clinician workflow.

skin contaminant diversion
Serves as a flash chamber to provide visual confirmation of proper needle placement in the vein.

Approximately 0.15ml of the initial blood flow is captured in the u-shaped Kurin Lock® specimen diversion device.

When the blood culture collection bottle is attached, the specimen flows directly from the vein into the blood culture bottle through a separate channel.

Simple. Passive. High return. Low waste. Better.

Passive compliance
Diversion with Kurin requires no change in patient experience or caregiver practice, enabling caregivers to continue using familiar, proven venipuncture technique.

Point of care practicality
A compact, elegant design offers space-efficient storage, minimal packaging, and convenient disposal in standard medical waste receptacles.

Antimicrobial Stewardship
Kurin diversion may help facilitate more appropriate administration of antibiotics and combat the virulence of multidrug-resistant super bugs.

Blood conserving
Requiring only ≈0.15 ml of precious blood to accomplish a ≈35x washout of a 21-gauge needle, Kurin achieves diversion without slowing down busy clinicians, is sensitive to blood wastage, and can be used with pediatric patients.

Visual confirmation of venipuncture
Kurin acts as a flash chamber, allowing the clinician to visually confirm the proper needle placement in the vein.

High return
Kurin has engineered a solution that may yield enormous financial returns for the hospitals.

From the creators of Curos Port Protectors

Curos is a registered trademark of 3M

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Kurin®, Inc.
10755 Scripps Poway Parkway, Suite 257
San Diego, CA 92131
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