Incision Instruments TRIZ Cases

A percutaneous catheter uses an expandable balloon to tension fibrous tissue across a cutting element.

A surgical instrument trigger pivots laterally to supply energy and proximally to deploy a knife within the shaft.

A fluid ejection device uses a pressure detection unit to monitor internal pressure during operation.

Optimized tip radius and angle prevent premature dulling of the double bevel cutting edge, sustaining sharpness across repeated surgical cuts.

Resilient coupling members align the lancet shaft to reduce pain during insertion while a handle-equipped sterility cap simplifies safe disposal.

A surgical scalpel emits evaluation signals through tissue to detect nerves before incision.

A retractable surgical knife employs a self-locking latch and biasing member to shield the blade, reducing accidental puncture risks.

A flexible circuit-mounted inertial measurement unit tracks surgical tool motion without requiring direct line of sight.

Resilient members in the reload engage locking components to prevent knife translation when no cartridge is installed, eliminating misfire risks.

Synchronized tying band buckles gather tubular tissue into a uniform pouch, eliminating dog ears and reducing stoma fistula risks during anastomosis.

A retractable scalpel sheath houses a longitudinally movable blade member secured by a latch mechanism.

A surgical dilator uses a lever to displace a blade tip, creating precise perforations in obscured left ventricle sites.

A specialized surgical tool secures subdermal implants via a gripping channel to standardize removal procedures.

An ultrasonic surgical instrument monitors electrical impedance to control drive signals and provide precise tissue feedback.

A grooved medical cutting instrument guides tissue via a diagonal knife for secure incisions.

A finger rest projection on a surgical handle supports the user's index finger near the blade.

Nesting the blade within the catheter body prevents accidental tissue damage while enabling controlled pericardial incisions.

Curved guiding elements define a path for an oscillating blade, increasing skin graft width on tight anatomical surfaces.

Expandable catheter incising elements score atherosclerotic material to enable effective vessel compression.