<?xml version='1.0' encoding='UTF-8'?><device xmlns='http://www.fda.gov/cdrh/gudid' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'><publicDeviceRecordKey>8da7e281-4b93-48ff-b55c-beb865d7bc7e</publicDeviceRecordKey><publicVersionStatus>Update</publicVersionStatus><deviceRecordStatus>Published</deviceRecordStatus><publicVersionNumber>4</publicVersionNumber><publicVersionDate>2026-01-19</publicVersionDate><devicePublishDate>2020-05-20</devicePublishDate><deviceCommDistributionEndDate xsi:nil="true"/><deviceCommDistributionStatus>In Commercial Distribution</deviceCommDistributionStatus><identifiers><identifier><deviceId>08800033320548</deviceId><deviceIdType>Primary</deviceIdType><deviceIdIssuingAgency>GS1</deviceIdIssuingAgency><containsDINumber xsi:nil="true"/><pkgQuantity xsi:nil="true"/><pkgDiscontinueDate xsi:nil="true"/><pkgStatus xsi:nil="true"/><pkgType xsi:nil="true"/></identifier></identifiers><brandName>4CIS® Chiron Spinal Fixation System</brandName><versionModelNumber>4129-8055</versionModelNumber><catalogNumber>4129-8055</catalogNumber><dunsNumber>687844241</dunsNumber><companyName>ALPHA AI CO.,LTD.</companyName><deviceCount>1</deviceCount><deviceDescription>4CIS® Chiron Mono Reduction Screw Ø8.0 X 55mm (Rod Ø6.0)
</deviceDescription><DMExempt>false</DMExempt><premarketExempt>false</premarketExempt><deviceHCTP>false</deviceHCTP><deviceKit>false</deviceKit><deviceCombinationProduct>false</deviceCombinationProduct><singleUse>true</singleUse><lotBatch>true</lotBatch><serialNumber>false</serialNumber><manufacturingDate>true</manufacturingDate><expirationDate>false</expirationDate><donationIdNumber>false</donationIdNumber><labeledContainsNRL>false</labeledContainsNRL><labeledNoNRL>false</labeledNoNRL><MRISafetyStatus>Labeling does not contain MRI Safety Information</MRISafetyStatus><rx>true</rx><otc>false</otc><contacts/><premarketSubmissions><premarketSubmission><submissionNumber>K190471</submissionNumber><supplementNumber>000</supplementNumber></premarketSubmission></premarketSubmissions><gmdnTerms><gmdn><gmdnCode>46651</gmdnCode><gmdnPTName>Spinal bone screw, non-bioabsorbable</gmdnPTName><gmdnPTDefinition>A small, threaded, implantable rod with a screw head and drive intended for internal spinal fixation by being screwed into the spine to hold a correction/stabilization device (e.g., rod, plate, tether) to bone; it is made of a material that is not chemically degraded or absorbed via natural body processes (e.g., surgical steel, titanium alloy, carbon fibre). It is available in various types (e.g., pedicle or transfacet, with a slotted, cross, star, or polygonal drive), and is typically used to provide immobilization and stabilization of spinal segments in the treatment of spinal instabilities or deformities. A screw head adaptor intended to stabilize a rod may be included with the screw.</gmdnPTDefinition><implantable>true</implantable><gmdnCodeStatus>Active</gmdnCodeStatus></gmdn></gmdnTerms><productCodes><fdaProductCode><productCode>NKB</productCode><productCodeName>Thoracolumbosacral Pedicle Screw System</productCodeName></fdaProductCode></productCodes><deviceSizes/><environmentalConditions/><sterilization><deviceSterile>false</deviceSterile><sterilizationPriorToUse>true</sterilizationPriorToUse><methodTypes><sterilizationMethod>Moist Heat or Steam Sterilization</sterilizationMethod></methodTypes></sterilization></device>