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Asepsis is the state of being free from disease-causing micro-organisms (such as pathogenic bacteria, viruses, pathogenic fungi, and parasites). [1] There are two categories of asepsis: medical and surgical. [ 1 ]
Aseptic processing was derived from Olin Ball's heat-cool-fill (HCF) machine that was developed in 1927. [5] While HCF was successful in improving the sensory quality of the processed chocolate milk as compared to canned product, the use of the equipment was hindered by its cost, maintenance, and inflexibility to process various container sizes, rendering the machine a failure.
The following outline is provided as an overview of and topical guide to concepts related to infectious diseases in humans.. Infection – transmission, entry/invasion after evading/overcoming defense, establishment, and replication of disease-causing microscopic organisms (pathogens) inside a host organism, and the reaction of host tissues to them and to the toxins they produce.
William Stewart Halsted, M.D. (September 23, 1852 – September 7, 1922) was an American surgeon who emphasized strict aseptic technique during surgical procedures, was an early champion of newly discovered anesthetics, and introduced several new operations, including the radical mastectomy for breast cancer.
In the late 19th century William Stewart Halstead (1852–1922) laid out basic surgical principles for asepsis known as Halsteads principles. Halsted also introduced the latex medical glove. After one of his nurses suffered skin damage due to having to sterilize her hands with carbolic acid, Halsted had designed a rubber glove that could be ...
Microorganisms growing on an agar plate. Sterilization (British English: sterilisation) refers to any process that removes, kills, or deactivates all forms of life (particularly microorganisms such as fungi, bacteria, spores, and unicellular eukaryotic organisms) and other biological agents (such as prions or viruses) present in fluid or on a specific surface or object. [1]
Joseph Lister, 1st Baron Lister, OM, PC, FRS, FRCSE, FRCPGlas, FRCS (5 April 1827 – 10 February 1912 [1]) was a British surgeon, medical scientist, experimental pathologist and pioneer of antiseptic surgery [2] and preventive healthcare. [1]
Halsted's principles, also known as Tenets of Halsted, are the basic principles of surgical technique regarding tissue handling. [1] These key points were introduced in the late 19th century by William Stewart Halsted, co-founder of Johns Hopkins Hospital. [2] [3] Gentle handling of tissue; Meticulous haemostasis; Preservation of blood supply