Purpose : Determination of the effectiveness using a vacuum fine-needle aspiration biopsy compared to biopsy. Material and methods An original experimental sample has been developed for performing Also in course study, an improvement device was carried out, associated with peculiarity high pressure (over –0.5 bar), consisting throwing cytological material from needle directly into lumen syringe...

The amount of pressure exerted on the syringe and the depth of needle insertion are the two key factors for successfully carrying out epidural procedure. The force feedback from the syringe plunger is helpful in judging the loss of pressure, and the depth of the needle insertion is crucial in identifying when the needle is precisely placed in the epidural space. This article presents the develo...

Central venous catheter (CVC) placement is an essential component of modern-day critical care. Its use was first documented by Werner Forssman in 1929, and Seldinger perfected the technique in 1953.(1) Although CVC insertion is a routine practice, it is not devoid of complications. We report a rare event in which the introducer needle shaft was fractured from its hub during CVC insertion in the...

Two-Way Fluid–Gas Exchange Syringe for Postvitrectomy Patients in Outpatient Setting Pars plana vitrectomy is a surgical procedure for the treatment of diseases such as rhegmatogenous retinal detachment, proliferative diabetic retinopathy, macular hole, and macular pucker (also called epiretinal membrane). In clinical medical practices, complications such as postvitrectomy vitreous hemorrhage, ...

BACKGROUND Growth hormone (GH) is used to treat growth hormone deficiency (GHD, adult and paediatric), short bowel syndrome in patients on a specialized diet, HIV-associated wasting and, in children, growth failure due to a number of disorders including Turner's syndrome and chronic renal failure, and in children born small for gestational age. Different brands and generic forms of recombinant ...

BACKGROUND Lack of information on the HIV epidemic among men who inject drugs (MWID) in northwestern Vietnam, a remote area, may hamper national efforts to control the disease. We examined HIV prevalence, needle-syringe sharing behaviors, and associated factors among MWID in three areas of northwestern Vietnam. METHODS We used descriptive analysis to report the characteristics, frequency of r...

This prospective, nonblinded study, comparing jet injection with needle-syringe injection of lidocaine in performing digital blocks, tested the hypothesis that jet injection can be used effectively as a less painful way to perform digital blocks. Twenty-four adult patients with injuries of the middle or distal phalanges of the fingers received digital blocks using a jet injector on one side of ...

OBJECTIVE The purpose of this prospective, randomized, blinded study was to compare the pain of injection and post-injection pain of the AMSA injection using the computer-assisted Wand Plus injection system versus a conventional syringe. STUDY DESIGN Using a crossover design, 40 subjects randomly received 2 blinded AMSA injections using the Wand Plus system and a conventional syringe, at 2 se...

It has been the experience of this laboratory that the lead hydroxide stain of Watson (1) gives excellent results in increasing contrast in thin sections of tissue, but that the stain is inconvenient to use because on contact with air it forms an insoluble precipitate which contaminates both the stored solution and the sections. 1 Contamination introduced in transferring the solution from the s...

INTRODUCTION The aim of this study was to evaluate the effect of needle-insertion depth on the irrigant flow inside a prepared root canal during final irrigation with a syringe and two different needle types using a Computational Fluid Dynamics (CFD) model. METHODS A validated CFD model was used to simulate irrigant flow from either a side-vented or an open-ended flat 30-G needle positioned i...