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Kapetansky 수술법의 확대이용에 대한 임상적 연구
이윤호 大韓成形外科學會 1988 Archives of Plastic Surgery Vol.15 No.4
ne of the more freauent sequelae of a cleft lip repair is the whistling deformity. A procedure to solve this problem was published by Kapetansky in 1970, but other residual deformities including the absence of philtral ridge & dimple, the irregularity of vermilion border,and previous operation scar, etc, were not able to be corrected by his procedure. I have modified Kapetansky technique by varying the dissection planes of the muscle according to the cases, so that the correction of the residual deformities other than whistling deformity can be possible by one single operation. I have used these techniques successfully in 11 patients who had various deformities from previous cleft lip repaies. And I also have disigned the so called muscle pedicled-island-musculocutaneous flap originated from the similar ideas of Kapetansky's pendulum flap to reconstruct the facial deformities and I have used these flaps in 6 patients. So I have found the possibility and usefulness of these flaps by the clinical observation for average 1 year. In this paper, I presented the detailed operation methods and discussed the possibility of the muscle pedicled flaps.
보험사기에 대한 제재시스템에 관한 연구 : 손실회피모형의 관점에서 An Application of Loss Aversion Theory
이윤호 한국리스크관리학회 2002 리스크 管理硏究 Vol.13 No.1
이 연구에서는 불확실한 상황에 대한 비대칭적 확률예언 및 손실과 이득에 대한 비대칭적 반응을 특징으로 하는 손실회피이론을 바탕으로 보험사기 문제를 고찰하였다. 그 결과 보험사기에 대한 제재가 심리적 위축효과를 발휘하여 보험사기의 방지에 매우 유효하다는 사실을 입증하였다. 또한 제재시스템의 설계방법에 있어서 2 가지 방안을 제시하였다. 첫 번째가 사기금액이 소액인 연성사기에 대해서는 보험금액과 관계없이 일정수준의 처벌을 가하도록 설계하는 것이고, 두 번째가 대형보험사기에 대해서는 보험금액과 정의 선형관계를 가지도록 설계하는 것이 보험사기의 억제의 관점에서 바람직하다는 것을 확인하였다. In this article, being based on loss aversion theory which is characterized by the different prospects for probability and asymmetrical responses to losses and gains, we investigated insurance frauds. The main results show that the sanction has a psychological effect to deter insurance frauds. Futhermore, against a large amount of insurance fraud it is more desirable that a sanction system is designed to be directly proportional to an amount insurance than constant one, while constant system is more desirable than proportional one against a small amount of insurance fraud.
안면골 골절에 대한 임상적 고찰 : 9 YEARS SURVEY
민경원,유정원,박철규,김진환,김석화,이윤호 大韓成形外科學會 1990 Archives of Plastic Surgery Vol.17 No.3
This retrospective study comprised 108 patients with facial bone fractures in various accidents and treated in the department of Plastic and Reconstructive Surgery, the Seoul National University Hospital during the past nine years from December 1980 to June 1989. The medical records of this 108 patients (150 fractures) were reviewed and analyzed in order to obtain the clinical pattern and understand the therapeutic tendency. The following results were obtained : 1) The Most prevalent age group was at third decade(46.3%). 2) Seasonally the highest inciedence was in summer(40%) followed by fall (25.0%), spring(21.3%), and winter(14%). 3) The most common cause was interpersonal assault(39%). 4) A total of 150 fracture site were found in the zygoma(32%) followed by mandible(26.7%), and orbit(17.3%). 5) The most prevalent cause in each fracture site were traffic accident in zygoma(35.9%) and orbit(61.5%), interpersonal assault in mandible(46.7%). 6) The most prevalent fracture site of mandible was angle(38.6%) followed by parasymphysis (26.3%), and condyle(19.3%). 7) Total cases of associated soft tissue injury was 99 cases(91.2%), the most common soft tissue injury site was face(55.7%) 8) The most prevalent time interval between onset and surgical treatment was 3 days~7days(29.6%). 9) Open reduction was used for 85.3% of total cases while 12.7% of total cases required closed reduction, and 2%of total cases treated conservatively. 10) Early bone graft was done in 6 patients(5.6%), and the most common fracture site requiring bone graft was orbit(72.2%). 11) The complication rate was 24.1% and the most common complications were associated with eye and lacrimal apparatus injuries(46%).
황 건,이윤호 大韓成形外科學會 1990 Archives of Plastic Surgery Vol.17 No.6
There is yet no satisfactory operation method for treatment of microtia. The most commonly used method are Tanzer's method and Brent's method, but their methods also have some problems. The most troublesome problem is insufficient degree of rise at the stage of elevation. The degree of rise usually decreases with time because of contraction of the grafted skin on auriculocephalic area. We designed a new method of elevation of implanted rib cartilage,and named it the "conjoined sling flap." We made a long triangular flap(1:3 ratio) respectively from superior and inferior based of the planned auricle. By conjoined and tightening the ends of the two flaps at the depths of the sulcus, we controlled the degree of rise of the auricle by the so called "pulse-string effect." The skin denuded regions anterior and posterior to the conjoined sling flap were covered with thick spilt thickness skin graft. By our medhod we performed 12 cases of elevation of implanted cartilage for the treatment of microtia and the like and obtained good results even after observation. We think that "conjoined sling flap method" is useful in reconstruction of other congenital or traumatic ear deformaties as well as microtia.