The intraligamentary or periodontal ligament (PDL) injection technique uses a standard dental syringe 1,2 and many clinicians have described several difficulties related to it. These include positioning the needle within the desired location, controlling the placement of the needle throughout the administration phase of anesthesia, increased pain perception reported by dental patients due to hi...

background: needle stick accidents  are a serious health  risk  for blood-borne infections among health-care workers(hcws). objective: to determine the frequency of needle stick injuries (nsis)  among hcws. material & methods: a cross-sectional study was conducted in  behesti hospital  of kashan from september 2012 to march 2013. data were collected using  a questionnaire. result: needle stick ...

This study examines the prevalence of public injecting and willingness to use drug consumption rooms (DCRs) among UK needle exchange programme (NEP) attendees. Three hundred and one injecting drug users (IDUs) were surveyed using a brief questionnaire across five NEPs in London and Leeds between April and June 2005. Injection in a public place in the past week was reported by 55% of the sample ...

CONTEXT AND OBJECTIVE Fine-needle aspiration biopsy has been accepted worldwide for breast lesions. However, some questions remain, including the appropriateness of the puncture method. The objective of this work was to compare aspirates obtained by the auto-vacuum device and by the syringe pistol holder. DESIGN AND SETTING Randomized trial for validation of diagnostic method, at Hospital das...

OBJECTIVE The technique used to perform transabdominal chorionic villus sampling (CVS) is not standardized, but aspiration of villi is generally obtained by discontinuous vacuum created in a syringe, manually or by a hand-grip device. We evaluated the feasibility of a new method of performing CVS which employs a 4-mL Vacutainer connected to the needle, producing a continuous negative pressure. ...