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.

Segmented knife assembly resolves articulation angle versus blade durability contradiction by reducing shear forces and bending moments.

A color-changeable dye integrated onto medical apparatus changes hue after oxygen exposure to signal expiration.

An amputation system with a V-shaped blade and high-velocity rod propulsion reduces procedure time and blood loss in field settings.

An expandable catheter uses sharpened struts to fragment atherosclerotic lesions while delivering medication directly to the treatment site.

An oxygen-sensitive dye applied directly to consumables detects usage status and prevents contamination by indicating product degradation.

Segmented lock members on the reciprocator assembly maintain blade stability while enabling permanent concealment for safe disposal.

A scalpel handle with convex surfaces and evenly spaced indentations enhances grip stability.

A reusable metal scalpel handle accepts a disposable blade cartridge that locks securely to prevent accidental exposure during mounting.

A helical cutting blade elongates tendons by following a spiral path through the tissue.

A debrider warning system uses magnetic tracking to monitor blade position within body cavities.

Hinged struts on an expandable catheter incise atherosclerotic lesions, enabling controlled plaque fragmentation while reducing vessel wall damage risks.

A scalpel blade remover uses a tilting planar member and slider to separate blades from tangs.

A dual-bladed surgical knife combines a fixed round blade with an extendable straight blade to enable versatile incisions.

An expandable catheter portion combines incising struts for plaque fragmentation with an embedded filter to trap emboli, reducing surgical complications.

A screw-based retractor system couples to pedicle screws and expands opposed arms to open surgical wounds.

Segmented rigid and flexible portions resolve the strength-versus-flexibility contradiction in powered surgical device adapters.

An RFID tag positions its antenna outside a metal holder to enhance signal transmission and detectability on surgical instruments.

Integrated handle deflection lever and knob mechanism consolidate steering and extension controls to reduce procedure complexity and personnel requirements.

A tonsillectomy suction dissector integrates a flexible cutting blade and vacuum channel for one-handed tissue dissection.

A biological tissue cutting device uses orthogonal blade movements to produce uniform minute fragments.

A shaftless surgical end effector uses a closure system to drive an anvil and staple cartridge.

A blade loader housing with a rib structure and support constrains the scalpel blade during insertion.

A retractable curved blade guard mechanism enables one-handed operation without altering the surgeon's grip position.

A pivotable scalpel swings beyond the guide tube inner diameter, reducing repositioning needs.

Telescoping segments resolve the conflict between structural stability and cavity access, reducing patient trauma during colectomy.

A surgical forceps integrates a retractable knife assembly actuated by a trigger mechanism to perform multiple tissue manipulation functions.

A surgical apparatus uses a clamp and reciprocating blade to remove bone tissue.

A liquid dispensing feature delivers cooling fluid to an ultrasonic blade for precise thermal management during surgical procedures.