Photo:

trocar.jpg

Description:

This device is designed to offset the puncturing force involved inserting a Trocar or a needle into a patient. It retracts the sharp-end at the moment it punctures whatever membrane is being punctured. It is described nicely in this TED talk.

Categories:

Mistake-proofing category: Mistake prevention,
Setting function: Physical,
Regulatory function: Forced Control
Source: Developed locally,

Links:

TED talk: http://www.ted.com/talks/nikolai_begg_a_tool_to_fix_one_of_the_most_dangerous_moments_in_surgery#t-376795

Secondary Problems (side effects, weakness or concerns) with this example:

Literature:

Sources of Supply:

See also: