current product (currently available or on the market); existing product
design change; engineering change
artificial valve; artificial heart valve
one (more) effort; one (more) push; a try; a go
examiner (e.g. patent examiner)
surgery (academic discipline)
rocket engine; rocket motor
breach of trust; malfeasance; malpractice; misappropriation
whole company; all the companies
selection (esp. from many people for an important job position); exceptional promotion
plain; field; hidden (structural) member; wild; lacking a political post
lesion; pathological change
medical world; medical circles; medical community
practicability; feasibility; operability; expected implementation
clinical study; clinical trial
seeing is believing; one eye-witness is better than many hearsays; a picture is worth a thousand words
to make oneself known to the public; to become popular; to gain influence
medical apparatus; medical instruments
holding out a little longer
transplant surgery; transplant operation
development project (program, programme, plan)
to improve upon; to make improvements to; to refine
cardiopulmonary arrest; showing no vital signs
to be unable to do; to find something difficult to do
National Aeronautics and Space Administration; NASA
to fall apart; to collapse; to be completely defeated (in battle); to be wiped out; (arch.) to fall apart (one's body or health)
examination results; test result; test outcome