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The aim of this study was to present two patients with lower limb posttraumatic angular deformity treated by dynamic hinged external fixation. CD-V mode Mitkovic type external fixator had been used in both cases for correction of these deformities. The method is based on hemicallotasis - bone callus distraction after a partial transversal bone cut (hemocorticotomy). The first patient had varus-recurvatum posttraumatic deformity of the ankle joint. Operation time was 65 min and hospital stay was 9 days. Superficial pin-track infection was resolved by the pin removal and by daily wound toilette. The second patient had varus-antecurvatum malunion deformity of the femoral diaphysis. Operation time was 50 min and hospital stay was 6 days. Mild knee contracture had been successfully treated by physical therapy. Angular deformity correction had been performed by distraction (for the first patient) and compression (for the second patient) in the fixator frame. Hemicallotasis of femur or tibia using CD-V mode Mitkovic type external fixator is a good alternative in the treatment of posttraumatic lower limb angular deformities, providing minimal surgical trauma and maximal use of the bone osteogenetic capacity. Gradual compression or distraction in the fixator frame allows to perform accurate angular correction in both coronal and sagital plane in one act. [Projekat Ministarstva nauke Republike Srbije, br. III41017: Virtual human osteoarticular system and its application in preclinical and clinical practice]

The paper gives information about the standards that support current standardization initiatives in geoinformation field. Increasing the reliability of the goods and effectiveness of the services which we use depend on standardization level. Aim of standardization process is getting people to agree on an acceptable technical solution. Standards are an important basis for development and implementation of the infrastructure for geodata. They facilitate the development, sharing, and use of geospatial data. In fact, they are ensuring that electronic data content and services are implemented to common standards in order to become easily accessible data. Standardization into geosector has to be coordinated with ongoing work on formulation of the INSPIRE implementing rules and the data sets specifications. The Law on Standardization establishes the legal bases of standardization in the Republic Serbia and defining competence of participants, as well as regulates the principles of preparation and application of standardization normative documents. The Institute for Standardization of Serbia is the only recognized national standardization body with aim to develop and promote standards contributing improvement of products and services of Serbia. Republic Geodetic Authority has started an initiative for establishing standardization Committee. The Institute for Standardization of Serbia formed the Technical Committee for standards in the field of geographic information, marked KS I 211. This Committee deals with standards regarding geographic information through following work of the Technical Committee ISO/TC 211 and CEN/TC 287. U radu su date informacije o standardima koji podržavaju trenutne inicijative za standardizaciju u oblasti geoinformacija. Povećanje pouzdanosti dobara i efektivnosti usluga koje koristimo zavisi od nivoa standardizacije. Cilj procesa standardizacije je da se postigne dogovor između učesnika o prihvatljivom tehničkom rešenju. Standardi su važna osnova za razvoj i implementaciju infrastrukture geopodataka. Oni omogućavaju razvoj, razmenu i korišćenje prostornih podataka. Zapravo, osiguranje da su sadržaj digitalnih podataka i servisa implementirani sa zajedničkim standardima radi lakšeg pristupa podacima. Standardizacija u geosektoru mora biti koordinirana sa tekućim radom na formulisanju INSPIRE implementacionih pravila i tehničkih specifikacija za skupove podataka. Zakon o standardizaciji uspostavlja legalnu osnovu za standardizaciju u Republici Srbiji, definiše nadležnosti učesnika i reguliše načela pripreme i primene standarda. Institut za standardizaciju Srbije, kao nadležno nacionalno telo za standardizaciju, razvija i promoviše standarde doprinoseći unapređenju proizvoda i usluga u Srbiji. Republički geodetski zavod je pokrenuo inicijativu za osnivanje komisije za standardizaciju. Institut za standardizaciju Srbije formirao je Komisiju za standarde iz oblasti geografskih informacija sa oznakom KS I 211. Predmet rada ove komisije su standardi iz oblasti geografskih informacija kroz praćenje rada tehničkih komiteta ISO/TC 211 i CEN/TC 287.