A NEW STOMACH CLAMP FOR PYLORECTOMY.

A new stomach clamp.

An efficient stomach clamp is one which exerts an even and sufficient pressure across the whole width of the stomach without causing undue trauma at any one point. Very few stomach clamps at present obtainable fulfil these conditions satisfactorily because they ate mainly constructed on the ' bow handle ' principle, or are of the crushing type. All clamps of this type necessarily exert most pre...

a new approach to credibility premium for zero-inflated poisson models for panel data

هدف اصلی از این تحقیق به دست آوردن و مقایسه حق بیمه باورمندی در مدل های شمارشی گزارش نشده برای داده های طولی می باشد. در این تحقیق حق بیمه های پبش گویی بر اساس توابع ضرر مربع خطا و نمایی محاسبه شده و با هم مقایسه می شود. تمایل به گرفتن پاداش و جایزه یکی از دلایل مهم برای گزارش ندادن تصادفات می باشد و افراد برای استفاده از تخفیف اغلب از گزارش تصادفات با هزینه پائین خودداری می کنند، در این تحقیق ...

A New Eyelid Clamp

A new bronchus clamp.

Bronchus clamps for use in lung resection have never been entirely satisfactory. The very large number of models available make this plain. When lung resection presents no problems almost any model of bronchus clamp is suitable. In a technically difficult situation all have shortcomings. The basic requirements of a bronchus clamp are: 1. It must be easy to pass with the minimum of dissection of...

A new clamp for bilamellar tarsal rotation for trachomatous trichiasis

the SAFE strategy for avoiding blindness and pain from trachoma. It often has to be performed by non-specialist workers in remote places. The World Health Organization (WHO) is rightly promoting bilamellar rotation as a standard operation, 1 but its method presents difficulties even for trained surgeons. 2 In the technique described by WHO, the lid is held by two artery forceps; however, it is ...