What Are the Risks of Rust on Surgical Forceps and How Can They Be Prevented?

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In summary, the conversation discusses the issue of rust forming on stainless steel forceps used in the medical device industry. The cause of this rust is likely due to the oxidization of the welding metal used to hold the two arms together. The main metal added to stainless steel to prevent rust is chromium, which forms a protective layer on the surface. However, this layer can be removed over time, leading to oxidization of the underlying steel. The type of welding material used for surgical stainless steel forceps is important, as it can affect the potential for bacteria to survive and be sterilized. Expertise in welding stainless steel is crucial for ensuring proper use in medical settings.
  • #1
ranjanmukhari
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Hi, Does anyone work in the medical device industry seen rust forming on Stainless Steel Forceps? The rust I am seeing is at the V-joint of the forceps and I guess the soldering/welding metal is oxidizing- Anyone has experience what kind of soldering/welding materials are used for surgical stainless steel forceps?

Thanks!
 
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  • #2
I don't know about the specific steel used in medical forceps, but with regards to stainless steel in general:

The main metal added to stainless steel to make it... stainless?... is Chromium. Chromium reacts with oxygen to form a thin layer on the outside of the object, whose atoms are compact enough to "ward off" oxygen in the air. If the protective layer of Chromium Oxide is removed (which will likely happen over time at the joint of the forceps), then the steel(Iron) will oxidize because it has been exposed to oxygen in the air.
 
  • #3
Barfolumu said:
If the protective layer of Chromium Oxide is removed (which will likely happen over time at the joint of the forceps), then the steel(Iron) will oxidize because it has been exposed to oxygen in the air.
But the point of stainless is that the chromium is mixed into the steel rather than a pure coating like anodization, so a new layer of oxide will immediately form.

I would have thought forceps would be forged from a single peice, these are the scissor type clamps ?
 
  • #4
Barfolumu and mgb_phys,

Thanks for your response. This is not a scissor type clamp, it is a classic two arm (tongs like) design. Two arms are welded at the end. My guess was that the metal used to hold the two arms is oxidizing as these are new forceps (Never used) which eliminates the possibility of chrome layer degradation with use.

Thanks again!
 
  • #5
Welding stainless is tricky - it can be done well with almost all types, but you have to know what you are doing.
The concern would be if it allows small holes for bacteria to survive an autoclave, you could possibly sterilise it with a nitric acid path or a bunsen burner flame.
 

1. What causes rust on surgical forceps?

Rust on surgical forceps is caused by a chemical reaction called oxidation, which occurs when the metal is exposed to oxygen and moisture. This can happen when the forceps are not properly cleaned and dried after use.

2. Is rust on surgical forceps dangerous?

Rust on surgical forceps can potentially be dangerous if it is allowed to build up and contaminate the sterile environment of the operating room. It can also lead to corrosion of the metal, making the forceps less effective and potentially causing harm to the patient.

3. How can rust on surgical forceps be prevented?

Rust on surgical forceps can be prevented by properly cleaning and sterilizing the forceps after each use. It is also important to store the forceps in a dry and sterile environment, and to regularly inspect them for any signs of rust or corrosion.

4. Can rust on surgical forceps be removed?

In some cases, light rust on surgical forceps can be removed through proper cleaning and sterilization methods. However, if the rust has caused significant corrosion or damage to the metal, the forceps may need to be replaced.

5. Is rust on surgical forceps a common issue?

Rust on surgical forceps is a common issue, as the forceps are often exposed to moisture and other contaminants during use. However, with proper cleaning and maintenance, it can be easily prevented and addressed.

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