نتایج جستجو برای: surgical knife
تعداد نتایج: 336603 فیلتر نتایج به سال:
Three varieties of wheat and knife bevel angles, four levels of moisture content and three shearing speeds of pendulum were considered to determine their effects on the shearing energy of wheat straw. Results showed that the effects of variety, knife bevel angle, moisture content and shearing speed on shearing energy were significant (P<0.01). Shearing energy decreased with decreasing moisture ...
Secretory meningioma (SM) is a rare, benign subtype of meningioma. Between January 2005 and December 2010, 70 SMs were operated on at the Department of Neurosurgery, Huashan Hospital, Fudan University. We retrospectively analyzed the clinical data, radiological and immunohistochemical findings, and patient outcome to discuss the specific features of SMs. Cranial base preference, hyper-signal in...
BACKGROUND Trigeminal neuralgia (TN) secondary to megadolichobasilar artery (MBA) compression is considerably difficult to manage surgically. OBJECTIVE This study aims to evaluate the safety/efficacy of Gamma Knife surgery (GKS) in this special group of patients. METHODS Between July 1992 and November 2010, 29 patients with >1 year of follow-up presenting with MBA compression were treated w...
BACKGROUND A modified laparoscopic pyloromyotomy (LP) technique may provide an alternative to treating infantile hypertrophic pyloric stenosis (IHPS) by improving operative timing with reduction of postoperative complication rates, compared with a three-port trocar system. METHODS Thirty-three infants were treated with IHPS at a single-centre between January 2002 and December 2011. The local ...
indifferent incisions, and in two cases where the iris rose above the knife, the complete iridectomies followed the normal course during convalescence. In assessing the relative merits of the two methods of extraction one must consider two factors: (a) the von Graefe method is simple and quick, and has withstood the test of time and usage in many thousands of cases: its drawbacks are known and ...
Treatment of arteriovenous malformations (AVMs) is complicated because of many factors including increasing size, eloquent location, and risk of unacceptable neurological deficits. Each of the treatment modalities, microsurgery, embolization, and stereotactic radiosurgery (SRS), has its pros and cons. Surgery and embolization are limited by location, size, and afferent and efferent vessel anato...
Gamma knife is a new noninvasive method for treatment of patient with brain tumors. ‎Another name of this procedure is steriotatic radiosurgery.‎‏ ‏This computerized advanced ‎technique was implicated by a team including neurosurgeon, neuroradialogist, oncologist, and ‎a nurse. This method is used for treatment of certain brain tumors and lesions. The benefits are ‎l...
BACKGROUND Endovascular therapy (ET) is infrequently used in the setting of acute penetrating intracranial trauma. METHODS We report a case where ET was used immediately prior to and following removal of an embedded intracranial knife, which was found to be disrupting the anterior cerebral artery. RESULTS The proximal vessel was coiled and angiographically occluded and then the knife was re...
The presented work deals with an analysis of causes the very low service life new version hand woodworking planing knife, which has replaced original a knife. Based on performed experimental works, chemical analysis, macroscopic and microscopic observation, SEM, diffractometric Vickers hardness test it was concluded that cause for (practically nonexistent one) knife are significant features ove...
in order to reduce herbicide utilization, a 3-year field experiment was carried out with integration of mechanical and chemical weed control methods; in mechanical method, three types of blades (curred- bed knife, square- turn knife and sweep) were used. chemical control was done with chloridazon (wp 80%) and desmedipham (ec 15.7%) in two spraying sheme: once band sparying with 2 l h-1 & twice ...
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