Friday, September 16, 2011

3 Steps to Improving the Surface Finish of Tubing

As product designs for minimally invasive surgery become more and more complex, the finishing requirements for stainless tubing are also increasing in complexity.

Many device applications using stainless steel tubing now require improved surface finish on the ID of the tubing. 

This creates smoother inner surfaces that reduce friction for mating parts or parts that must travel in and/or out of the tubing during the surgical procedure.

There are also an increasing number of...More

Tuesday, June 14, 2011

Stainless Steel Passivation

In order to better understand the options for passivating stainless steel, it is critical to first understand what the term “passivation” means.

According to ASTM A 380 – 96, the term passivation is commonly applied to several distinctly different operations or processes relating to stainless steels.  Common meanings include the following:

  • Passivation is the process by which a stainless steel will spontaneously form a chemically inactive surface when exposed to air or other...More

Monday, April 11, 2011

Is there a standard for sharpness?

There is no widely accepted standard for sharpness of blades or needles.  There used to be a Federal Specification (#GG-H-0800) from the 1960’s, the US government used when specifying standard scalpel and blade requirements. 

This specification was very primitive in nature, attempting to simply identify gross defects.  Some highlights of the spec were:

  • No blade shall contain a nick greater than .004” – A nick was defined as a chipped-out, broken-out, indented, or bent out...More

Thursday, January 27, 2011

5 Tips for Better Medical Needles

5 Tips for Better Medical Needles

The cornerstone and foundation of a multitude of surgical procedures, medical needles are often improperly viewed as a “commodity” rather than precision-engineered devices. However, a growing number of medical needles are taking a major role in today’s state-of-the-art surgical devices, and their function as a “delivery device” for specialized procedures is very critical.

 

The first step for any medical needle based project should be “DEFINE”,...More

Found new entry: FDA Advisory Panel Backs Vivus’s Qnexa

Found new entry: Feds Announce U.S. Alzheimer’s Plan, But Will it Have an Impact?

Found new entry: Fructose Doesn’t Make You Gain Weight (Unless You Eat Too Much Of It)

A.M. Vitals: Chavez to Have Third Operation already exists.

Found new entry: J&J CEO Succession: Who is Alex Gorsky?

Found new entry: FDA Approves New Suppliers for Scarce Cancer Drugs

Found new entry: Doctors Revive the Simplest Genetic Test

A.M. Vitals: Using Family History to Better Gauge Heart-Disease Risk already exists.

Found new entry: Avian Flu Experts Agree ‘Pauses’ on Publication, Research Should Continue

J&J Recall Watch: McNeil Pulls Liquid Infant Tylenol on Dosing System Concerns already exists.

Import has finished.

Medical Manufacturing News

FDA Advisory Panel Backs Vivus’s Qnexa

Katherine Hobson

The FDA—which often but not always follows the advice of its outside panels—is due to make...

FDA Approves First Generic Enoxaparin Sodium Injection

The U.S. Food and Drug Administration today approved the first generic version of Lovenox...

Some insurers stop writing new coverage for kids

Some major health insurance companies have stopped issuing certain types of policies for...

iDosing: A New Buzz from your Headphones and Ear Buds

Daniel DeNoon

iDose is what marketers have named various recordings of binaural beats. By playing sounds...

Medical Community Links

Blog Archive