نتایج جستجو برای: gamma sterilization
تعداد نتایج: 131061 فیلتر نتایج به سال:
This article presents a synthesis of some of the major published studies on the efficacy and safety of tubal sterilization. The conclusions of this overview are that tubal sterilization is a safe operation, long-term sequelae of tubal sterilization have not been well documented, and the risk of pregnancy following tubal sterilization is less than 1 in 100. Continued study is needed to determine...
INTRODUCTION Sterilization at caesarean section is usually performed by the modified Pomeroy's technique. Application of Falope rings and Filshie clips may also be used for tubal sterilization at caesarean section, and these techniques are also used during laparoscopy or minilaparotomy. OBJECTIVES The main objective of the study was to evaluate the failure rates, complications, technical diff...
Background and Aim: Orthodontic ligature cutting pliers are expensive. Methods of sterilization should be safe considering patients' health as well as lifetime of orthodontic pliers. The purpose of this study was to compare the wear of orthodontic ligature cutting pliers after sterilizing with dry heat or steam autoclave. Materials and Methods: In this experimental study, thirty ligature cuttin...
The study was to assess the types and trend of female sterilization between January 1985 and December 2009 (25 years) in Jos, Central Nigeria. There were 25,313 new acceptors of modern contraceptive methods out of which 4,951 (19.6%) were female sterilizations. Minilaparotomy was the commonest method of female sterilization. Local anaesthesia was the commonest anaesthetic utilized. The women we...
OBJECTIVE Our purpose was to determine the risk of pregnancy after tubal sterilization for common methods of tubal occlusion. STUDY DESIGN A multicenter, prospective cohort study was conducted in U.S. medical centers. A total of 10,685 women who underwent tubal sterilization was followed up for 8 to 14 years. The risk of pregnancy was assessed by cumulative life-table probabilities and propor...
A permanent contraceptive method that avoids abdominal incisions and general anesthetic should be safer than sterilization by laparoscopy or laparotomy. In theory, the transcervical route ought to be ideal for female sterilization. However, past attempts have not seen widespread success, and contemporary efforts demonstrate that challenges to the creation of an ideal transcervical sterilization...
background: sterilization techniques could affect the characteristics of orthodontic wires. the aim of the present study was to evaluate the effect of steam and dry heat sterilization techniques on load-defl ection behavior of fi ve types of β-titanium alloy wires. materials and methods: the samples consisted of 30 straight lengths of fi ve types of β-titanium alloy wires: titanium molybdenum a...
Gamma irradiation is a nonthermal processing technology that has been used for the preservation of a variety of food products. This technology has been shown to effectively inactivate bacterial pathogens. Currently, the FDA has approved doses of up to 4.0 kGy to control food-borne pathogens in fresh iceberg lettuce and spinach. However, whether this dose range effectively inactivates food-borne...
Cleaning Failure to adequately clean instrument results in higher bioburden, protein load, and salt concentration. These will decrease sterilization efficacy. Bioburden The natural bioburden of used surgical devices is 10 to 10 organisms (primarily vegetative bacteria), which is substantially below the 10-10 spores used with biological indicators. Pathogen type Spore-forming organisms are most ...
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