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법의인류학 감정을 위한 머리뼈골절의 형태 분석 및 도구 추정
구형남(Hyung Nam Goo),김유훈(Yoo Hoon Kim),최승규(Seung-Gyu Choi),김이석(Yi-Suk Kim) 대한체질인류학회 2011 해부·생물인류학 (Anat Biol Anthropol) Vol.24 No.1
법의인류학 감정의 목적은 체질인류학 자료를 응용하여 백골시신의 신원확인에 도움을 주는 개인식별 항목을 알아내는 것뿐만 아니라 사망의 원인과 종류를 추정하여 죽음의 과정을 법의학적으로 재구성하는 것이다. 이 연구의 목적은 부검을 통해 사망의 종류가 외인사이면서 사망의 원인이 머리뼈골절로 감정된 사례를 모아 골절의 형태학적 분석, 해부학적 위치 및 추정 가능한 도구에 대하여 후향적으로 분석함으로써 백골시신의 머리뼈골절에 대한 법의인류학적 분석에 도움을 주는 근거자료를 제시하는 것이다. 머리손상을 일으킨 도구의 유형으로는 둔기가 69건 중 60건으로 전체의 약 87.0%에 해당하였으며, 이 중에서도 망치(31.7%)와 야구방망이(16.7%)가 둔력손상의 절반에 가까운 빈도를 차지하였다. 대부분의 도구에서 선골절이 나타났고, 거미줄모양골절과 함몰골절을 일으키는 가장 흔한 도구는 망치였으며, 분쇄골절은 비교적 중량감이 나가는 도구들이 주로 관련되었다. 또한 카이제곱검증을 시행한 결과 머리뼈골절의 유형에 따라 유발한 도구의 종류가 서로 다른 것을 알 수 있었다(χ²=103.817, P<0.001). 이 연구를 통하여 백골시신 사망의 원인과 종류를 추정하는 데 도움을 주는 법의인류학 자료를 마련할 수 있었고, 머리뼈골절의 발생기전 및 사후변성학에 대한 추가적인 체질인류학 연구설정을 제시할 수 있었다. The role of forensic anthropology is to reconstruct the process of individual death by predicting the cause and manner of death as well as to find out biological profiles of unknown skeletal remains based on the data of physical anthropology. The purpose of this study is to suggest the data of decision-making process for cranial fractures and its related weapons of skeletal remains from the forensic fields. A hammer (31.7%) and baseball bat (16.7%) represented almost half of the blunt type of weapon used in the cranial fracture. The linear fracture was caused by most of weapons, the spider’s web and depressed fracture by the hammer, and the comminuted fracture by the heavy tools such as maul, wrench, etc as well as the hammer. By the chi-square test, there were significant differences between fracture patterns and types of weapon that it was helpful to estimate the weapon of cranial fracture for forensic anthropological decisions. Conclusively, we could prepare the priority order of estimating cause and manner of death in the case of cranial fracture for the forensic context and suggest research design of physical anthropology about osteological biomechanics and taphonomy relating cranial fractures.
부검 실무에서 시험지 검사법(Dipstick Test)을 이용한 눈 유리체액 당 검사의 효용성
이경홍,구형남,김태공,박정열,백강현,최승규,최철호,엄나현,이낙원,최병하 대한법의학회 2016 대한법의학회지 Vol.40 No.4
The concentration of glucose in the vitreous humor serves as an important diagnostic marker for diabetic mellitus in post-mortem examinations, as the vitreous humor can be easily collected and the glucose test using vitreous humor is not significantly affected by cell autolysis and hemolysis. For a quick and effective glucose test, we suggest a dipstick test of the vitreous humor during autopsy. The results were evaluated and compared with other methods for significance testing. In this study, vitreous humor was analyzed from 257 autopsy cases. Qualitative concordance rate of the dipstick test for glucose and the hexokinase test was 98.7%, positive prediction rate was 89.6%, and negative prediction rate was 100%. However, there was no significant correlation between the dipstick glucose test and the hexokinase test. We conclude that the dipstick glucose test is effective and useful for post-mortem glucose screening testing and for additional post-mortem diabetes testing. Recently, the importance of post-mortem glucose testing has increased with the increase in deaths from diabetes complications. The use of the dipstick glucose test in autopsy practice can improve forensic medicine in Korea.
3D계측장비를 이용한 법의∙과학적 활용 ( I ) - 인체골격의 영상보존과 사건 현장에 대한 감정기법 개발 -
정낙은,구형남,강현무,이상섭,박혜진,김형중,이경락,정익조,김대열,김달원,임상범,이새보미,한한수,이중,김준석,문기웅,김병현,조건우,김진표,김의수,김성호,서인수,박대균,정재광,김이석,최승규,이우영,이훈,김채근,이인수,강훈,김원섭,김동규,김동수,최진형,박동일,최홍순,김시로,허용석 대한법의학회 2012 대한법의학회지 Vol.36 No.1
The aim of this project was to use 3D scanning data collected at incident scenes and various evidence to 1) develop surveying methods based on 3D data consisting of overall and detailed scene evidence, captured by long-range and micros-canner,which can be shared by personnel working in different fields such as forensic medicine,video analysis, physical analysis, traffic engineering, and fire investigation; 2)create digital storage for human skeletons and set the foundation for virtual anthropology;and 3) improve the credibility of 3D evidence by virtual remodeling and simulation of incident scenes and evidence to provide a basis for advanced and high-tech scientific investigation. Two complete skeletons of male and female were scanned using 3D micro-scan-ner. Each bone was successfully reproduced and assembled in virtual space. In addition, recreating evidence scheduled for invasive examination by creating RP (rapid prototype) was possible. These outcomes could play an important role in setting up the new field of virtual anthropology. Case-specific surveying methods were developed through analysis of 3D scanning data collected by long-range surface scanners at the scenes of vehicular accidents, falls, shootings, and violent crimes. A technique and recording method was also developed for detecting forged seals by micro-scanning the pressure exerted on the seal. Appraisal methods developed in this project could be utilized to secure 3D data of human skeletal remains and incident scenes, create a standard for application, and increase objectivity, reproducibility, and accuracy of scanning methods. We plan to develop case-specific 3D data analysis techniques to improve the credibility of analysis at the NFS and to establish a 3D data collection and analysis team. The aim of this project was to use 3D scanning data collected at incident scenes and various evidence to 1) develop surveying methods based on 3D data consisting of overall and detailed scene evidence, captured by long-range and micros-canner,which can be shared by personnel working in different fields such as forensic medicine,video analysis, physical analysis, traffic engineering, and fire investigation; 2)create digital storage for human skeletons and set the foundation for virtual anthropology;and 3) improve the credibility of 3D evidence by virtual remodeling and simulation of incident scenes and evidence to provide a basis for advanced and high-tech scientific investigation. Two complete skeletons of male and female were scanned using 3D micro-scan-ner. Each bone was successfully reproduced and assembled in virtual space. In addition, recreating evidence scheduled for invasive examination by creating RP (rapid prototype) was possible. These outcomes could play an important role in setting up the new field of virtual anthropology. Case-specific surveying methods were developed through analysis of 3D scanning data collected by long-range surface scanners at the scenes of vehicular accidents, falls, shootings, and violent crimes. A technique and recording method was also developed for detecting forged seals by micro-scanning the pressure exerted on the seal. Appraisal methods developed in this project could be utilized to secure 3D data of human skeletal remains and incident scenes, create a standard for application, and increase objectivity, reproducibility, and accuracy of scanning methods. We plan to develop case-specific 3D data analysis techniques to improve the credibility of analysis at the NFS and to establish a 3D data collection and analysis team.
김남이,구형남,양경무 한국과학수사학회 2017 과학수사학회지 Vol.11 No.4
Acetone and BHB should be considered disease indicators for the postmortem determination of alcoholic ketoacidosis or diabetic. The acetone and β-hydroxybutylate (BHB) as ketone bodies were analyzed in postmortem blood of 118 the fatal cases and 16 normal blood in order to diagnose an alcoholic and diabetic ketoacidosis. In the normal control group, the concentration ranged from < 10 μg/mL for acetone and 8.1~ 31.6 μg/mL for BHB. In the autopsy control group, the concentration ranged from < 10~24.6 μg/mL for acetone and 19.1~134.9 μg/mL for BHB. In chronic alcoholic death group (AD), the concentration ranged < 10~405.3 μg/mL for acetone and 20.9~1,466.8 μg/mL for BHB. In diabetic death group (DD), two cases showed high concentrations of both acetone and BHB, but the remaining two cases showed low concentrations of both acetone and BHB. In chronic alcoholic and diabetic death group (ADD), 2 cases showed a high concentration of BHB, but the remaining 2 cases showed a low concentration of BHB. All of the chronic alcoholism and diabetes groups were not shown high concentration of both acetone and BHB. However, if the BHB concentration was very high (> 200 μg/mL), it could be pathologically significant.
류호정,김정우,구형남,최정후 건국대학교 산업기술연구원 1999 건국기술연구논문지 Vol.24 No.-
The bed expansion characteristics have been investigated in a fluidized bed (0.1 m I.D., 2.4 m height) with variations of the gas velocity (0.015 - 1.0 m/s), the static bed height (0.1, 0.2m) and the type of particle (Geldart group A, B and D). The ratio of bed expansion increased as the gas velocity increased. However, it decreased with an increase of the static bed height. It also decreased in order of Geldart group A, B and D particles at the same excess gas velocity and static bed height. A correlation on the bed expansion has been proposed on the basis of the present experimental result.
간질발작으로 인해 익사한 Sturge Weber 증후군 환자
강한나,박재홍,권태정,최영식,구형남,김성호,김태공,김민정 대한법의학회 2010 대한법의학회지 Vol.34 No.2
Sturge Weber syndrome (SWS) is a rare, congenital neurocutaneous syndrome. We rarely experienced neurocutaneous disorders in forensic practice but there are unexpected sudden deaths of patients with SWS due to epilepsy, intracranial hemorrhage,thromboses and secondary accident. We introduce a case of drowning death probably due to an epileptic attack of a person diagnosed as a patient of SWS by an autopsy. We review some of the neurocutaneous syndromes and a discussion of autopsy approach is presented.