What is the difference between ISO 594 and ISO 80369?
Unlike ISO 594-2, the new standard adds a flexural modulus of 700 MPa or higher – any softer material cannot be used for compliance to this standard. ISO 80369-7 also states that by using modern test equipment and methods, it is now practical to define the dimensions with greater precision.
What is ISO 594?
ISO 594 is a testing standard that defines and measures the general requirements for 6% taper conical fittings. The requirements tested in this method include gauging, liquid and air leakage, separation force, unscrewing torque, ease of assembly, resistance to overriding, and stress cracking.
Is ISO 594 obsolete?
ISO 594 was replaced with ISO 80369-7 in 2016. The old numbers: ISO 594/1 and ISO 594/2; have been replaced with: ISO80369-7.
How does a luer fitting work?
Luer lock fittings are securely joined by means of a tabbed hub on the female fitting which screws into threads in a sleeve on the male fitting. In two piece luer lock, a free rotating collar with threads is assembled to the luer and the locking is achieved by rotating the collar.
Are there different size luer locks?
Luer-tip and Lock needles can be connected to PTFE tubing with an outer diameter of 3 mm or 1/8 inch. 3 mm or 1/8 inch. The Luer-lock syringes can be connected to PTFE tubing with an outer diameter of 3 mm or 1/8 inch.
Is luer lock a standard?
As many of us in the medical device industry have heard there is a new luer standard called ISO 80369-7. This standard applies specifically to intravascular and hypodermic applications with the goal of standardising the luer taper and thread.
What are the 3 parts of a syringe?
A three-part syringe contains a plastic plunger/piston with a rubber tip to create a seal between the piston and the barrel, where a two-part syringe is manufactured to create a perfect fit between the plastic plunger and the barrel to create the seal without the need for a separate synthetic rubber piston.
What is a luer used for?
A Luer lock syringe enables a needle to be twisted onto the tip and be locked into place, providing a secure connection and preventing accidental removal of the needle as well as accidental injection of contents (Elkin et al, 2004).
What is the difference between male and female Luer lock?
The male Luer lock has an external housing with internal threads, while the female Luer lock has the addition of an external thread added at the base of the taper. The result is a secure leak-proof connection that can be easily taken apart by untwisting the two fittings to disengage the threads.
What is luer Adaptor?
Luer Adapters are specifically designed to work in a variety of applications by securely connecting a male or female luer to each other. Our Luer Adapter products include our LuerTight™ Fittings which allow you to connect and disconnect quickly to fluoropolymer tubing without the use of barbs or nuts.
Where is the flange on a syringe?
The Barrel Flange is located on the Barrel of the syringe. The syringe is supported here usually by a couple of fingers, or when the syringe is fitted to a syringe pump by the syringe retainer. Pressure exerted between the Plunger Flange and the Barrel Flanges results in liquid being forced out of the syringe.