image of a gloved hand placing a syringe in a biohazard container emphasing the importance of safe sharps handling

Safe sharps handling is essential to maintaining a hazard-free laboratory environment.

iStock | Liudmila Chernetska

Safe Handling of Sharps and Needles: Best Practices for Laboratory Safety

Protect yourself and others by learning proper sharps handling techniques, injury prevention strategies, and safe disposal methods in the laboratory.

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Why Safe Sharps Handling is Essential

Improper handling and disposal of sharps in the laboratory can lead to serious injuries, including accidental punctures and cuts, as well as secondary infections. Whether you are working with hypodermic needles, syringes, or other sharp instruments, the potential for exposure to infectious agents or hazardous materials is a constant risk. Such exposure can result in severe health complications for lab personnel and compromises overall lab safety. By adhering to strict safety protocols, including proper handling and disposal techniques, you can significantly reduce these risks, ensure compliance with safety regulations, and maintain a safe and efficient working environment.


Common Causes of Sharps Injuries

Two of the most frequent causes of sharps injuries in laboratories include:

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  1. Re-capping Needles: Re-capping needles increases the risk of accidental punctures and should be avoided.

  2. Improper Disposal: Failing to dispose of needles and other sharps correctly can result in injuries to yourself or others.

Additionally, non-needle-locking syringes may create sprays or aerosols, increasing the risk of exposure to infectious agents or hazardous substances.


What Are Sharps?

Sharps refer to any instruments that can puncture or cut the skin, including:

  • Hypodermic needles
  • Syringes (with or without attached needles)
  • Pasteur pipettes
  • Scalpel blades
  • Blood vials
  • Suture needles
  • Slides and cover slips
  • Broken or unbroken glassware that has come into contact with infectious agents

These items are commonly used in medical, research, and industrial laboratory settings.


Sharps Injury Prevention

To prevent injuries when handling sharps, follow these safety guidelines:

  • Avoid Needle Manipulation: Avoid bending, shearing, breaking, re-capping, or removing needles from syringes before disposal. Each of these actions increases the likelihood of accidental punctures, which can expose lab personnel to hazardous materials or infectious agents. Proper handling and immediate disposal are critical for safety.
  • Use Tools for Cleanup: When glassware or sharp instruments break, never attempt to pick them up with your hands. Instead, use mechanical tools like a brush and dustpan, tongs, or forceps to safely collect and dispose of broken pieces. This minimizes the risk of cuts or exposure to contaminants.
  • Transport Safely: Always transport needles, syringes, and other sharps in sealed, puncture-resistant containers. This ensures that even in the event of accidental spills or bumps, the risk of injury is minimized. Proper containment is especially important during lab relocations or transfers between workstations.
  • Review Sharps Usage Annually: Conduct an annual review of your lab’s procedures to identify opportunities to eliminate or reduce the use of sharps. Implementing needleless systems or re-evaluating processes can significantly lower the overall risk of sharps-related injuries.
  • Use Safety-Engineered Devices: Opt for modern safety-engineered devices, such as syringes that automatically re-sheathe needles. These devices are specifically designed to reduce the risk of injuries and should be integrated into lab operations wherever possible.
  • Request Safer Products: Stay updated on the latest safety technologies by regularly consulting with vendors. Request and evaluate safety-engineered sharps to ensure your lab is equipped with the most effective tools for reducing sharps exposure.

Sharps Disposal Guidelines

Proper disposal of sharps is crucial to prevent injuries and maintain a safe laboratory environment. Follow these steps:

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  1. Do Not Re-Cap Needles: Immediately dispose of needles without attempting to re-cap them.

  2. Use Proper Sharps Containers: Dispose of sharps in leak-proof, puncture-resistant containers labeled appropriately by the supplier.

  3. Position Containers Strategically: Place sharps containers within easy reach of workstations to encourage proper disposal.

  4. Do Not Overfill Containers: Never fill a sharps container more than three-quarters full to avoid spills and injuries.

  5. Choose the Right Size and Shape: Ensure the container is large enough for sharps to fully and easily enter.

  6. Seal Containers Securely: Close and seal the top of the container before disposing of it.


Additional Safety Tips

  • Inspect Regularly: Conduct monthly checks of all sharps containers and replace them as needed.
  • Train Staff: Ensure all lab personnel are trained in proper sharps handling and disposal procedures.
  • Minimize Risks: Avoid working with sharps when tired or distracted to reduce the risk of accidents.

Frequently Asked Questions (FAQs)

1. Why shouldn’t needles be re-capped before disposal?

Re-capping needles increases the likelihood of accidental punctures and is a leading cause of needle-stick injuries. Proper sharps disposal eliminates this risk.

2. What type of container should be used for sharps disposal?

Sharps should be disposed of in leak-proof, puncture-resistant containers that are properly labeled and designed for safe handling and disposal.

3. How can I reduce the need for sharps in my lab procedures?

Review your lab’s protocols annually to determine if procedures can be modified to use needleless systems or other safety-engineered devices.


Conclusion: Prioritize Safety in Sharps Handling

Safe sharps handling is essential to maintaining a hazard-free laboratory environment. By following these best practices—including proper disposal methods, using safety-engineered devices, and conducting regular reviews of lab procedures—you can protect yourself and others from unnecessary injuries and exposure to hazardous materials. Make sharps safety a top priority to ensure a secure and efficient workspace.


This content includes text that has been generated with the assistance of AI. Lab Manager’s AI policy can be found here

About the Author

  • Trevor Henderson headshot

    Trevor Henderson, PhD

    Trevor Henderson BSc (HK), MSc, PhD (c), is the creative services director at Lab Manager.  He has more than two decades of experience in the fields of scientific and technical writing, editing, and creative content creation. With academic training in the areas of human biology, physical anthropology, and community health, he has a broad skill set of both laboratory and analytical skills. Since 2013, he has been working with LabX Media Group developing content solutions that engage and inform scientists and laboratorians. He can be reached at thenderson@labmanager.com.

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