A new double hole pencil point atraumatic needle for amniocentesis.

نویسنده

  • J Eldor
چکیده

The Atraumatic Amniocentesis needle is manufactured by TSK Laboratory, Japan (Tochigi-Shi, Tochigi-Keri, 328 Japan). It is a 22 gauge, 90 mm needle. It has a pencil point tip with two circular holes at the tip. It is composed of a stainless steel AISI 304 with a polycarbonate hub. OD – 0.70±0.01 mm. ID – 0.40±0. 01 mm. Obturator length – 109.5±2 mm. OD of the obturator – 0.35±0.01 mm. Location of the Double holes – within 5 mm from the needle tip. Size of the hole: 0.25 mm.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Spinal anaesthesia: an update

Developments in needle design have been driven largely by the need to reduce the incidence of post-dural puncture headache (PDPH). Reduction in needle size reduced significantly the incidence of PDPH, but technical difficulties leading to failure of spinal anaesthesia are common when needles of 29G or smaller are used. However, development of atraumatic ‘pencil-point’ needles also led to a redu...

متن کامل

The history of spinal needles: getting to the point.

The history of the design of spinal needle tips is discussed, from the first needles used by J. Leonard Corning in 1885 to innovative, modern needle designs that continue to appear on the market. The shape of the needle tip started as a cutting bevel and developed into the atraumatic tip and the pencil-point tip in current common use. Innovative designs such as the stylet-tipped needle and the ...

متن کامل

The blood lancet in regional anaesthesia.

Sir,—The success of regional anaesthesia depends upon accurate placement of local anaesthetic solution in the proximity of nerve trunks [1] without causing sequelae such as neural lesions and damage to blood vessels, tendons, muscles or pleura [2-6]. The classic methods of locating nerves used the production of paraesthesiae with the standard bevel needle. New techniques have been developed whi...

متن کامل

[A comparison of three different needles used for spinal anesthesia in terms of squamous epithelial cell transport risk].

BACKGROUND AND OBJECTIVES To investigate the differences in the number of squamous epithelial cells carried to the spinal canal by three different types of spinal needle tip of the same size. METHODS Patients were allocated into three groups (Group I, Group II, Group III). Spinal anesthesia was administered to Group I (n=50) using a 25G Quincke needle, to Group II (n=50) using a 25G pencil po...

متن کامل

Investigating the Complications of Transplacental Needle Passage in Amniocentesis

Background and purpose: Amniocentesis is the most commonly used method for diagnosis of aneuploid and other genetic disorders of the fetus. Cautious should be taken when entering the amniocentesis needle to avoid entering the placenta. The purpose of this study was to investigate the consequences of needle transposition from the placenta during amniocentesis. Materials and methods: In a cohort...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Medical science monitor : international medical journal of experimental and clinical research

دوره 7 2  شماره 

صفحات  -

تاریخ انتشار 2001