Surgical Saws TRIZ Cases

A reconfigurable orthopedic surgical system uses a serrated wedge and cutting guide to align bone ends.

Curved head portion concentrates ultrasonic energy to improve bone cutting efficiency and reduce tool breakage risk.

A surgical cutting guide with a rotatable handle adjusts orientation to match patient-specific bone angles.

Orthogonal laser assemblies project visible lines onto bone surfaces to assist surgeons in verifying cut alignment during joint resection procedures.

A chamfer resection guide uses a camming member to linearly displace the block member relative to the anchor member.

Segmented targeting guide, displacement elevator, and screw guide minimize soft tissue damage during chevron osteotomy while ensuring stable bone fixation.

Segmented cutting guide with positioning arms secures to bone, ensuring precise acetabular realignment and reducing operating time.

Integrating metallic bushings into a polymer cutting block prevents saw damage to polymeric materials while maintaining precise bone resection accuracy.

Segmented guides translate and rotate bone portions to align sesamoid bones, resolving precision versus complexity trade-offs in osteotomy.

Parallel blades with bent teeth widen the kerf for implants while minimizing bone stress.

A surgical saw blade uses a pivot portion and follower to enable linear oscillation.

A pivotable surgical guide enables accurate wedge osteotomies while reducing tissue trauma and infection risks.

A vertebral osteotomy saw guide uses interdigitated pulley wheels to route a thread-wire saw through spinal instrumentation.

A flexible tissue modification device navigates confined anatomical spaces to precisely remove impinging tissues.

Segmented crossbar and extraction mechanism remove fixation pins without displacing the main rod, preventing vascular injury during knee surgery.

Multi-row cutting teeth on offset planes create precise wedge osteotomies, eliminating planar inconsistencies from sequential bone cuts.

Disposable interlocking polymeric blocks resolve manufacturing cost and sterilization complexity while ensuring accurate femur resection.

Accessory with saw guides and threaded holes enables precise bone shortening osteotomy, eliminating custom implant fabrication.

Modular cutter guide establishes three-dimensional cutting planes to correct metatarsal deformities without complex custom manufacturing.

A universal fibula bone material removal and transfer template featuring movable cutting tool guides for precise surgical alignment.

Cannulated guides on a surgical jig direct lag screw insertion through precise alignment apertures, preventing interference with existing fixation screws.

Pivotable cutting guide arms rotate via a screw distractor to form precise wedge cuts in the tibia.

An eccentric ultrasonic surgical blade enables lateral and backward cutting through high-frequency vibration.

Removable biocompatible bushings fit metal surgical guides to isolate tools from the guide structure.

Segmenting the frame from the aligner resolves visibility restrictions while preserving cutting precision for tailored bone removal.

A freeform osteotomy guide positions fixation elements to orient the metatarsus and cuneiform bones along a predetermined angular relationship.

A variable angle osteotomy system uses a pivotally attached cuneiform cut guide to adjust cutting angles dynamically.

Segmented contact elements improve positioning accuracy while reducing invasiveness in minimally invasive surgery.

A medical punch stabilizes cutting edges with a thrust bearing, preventing misalignment at 45-degree angles.

Wavelet denoising of motor power signals enables accurate tissue detection, allowing the osteotomy saw to dynamically adjust speed for varying tissue densities.

An adjustable surgical guide uses a sliding mechanism to grip and resect patellae with high precision.

Customized guides use skin-referencing surfaces to stabilize alignment, resolving the trade-off between device complexity and placement accuracy.

Dual rotating feelers on a tibial resection guide enable precise kinematic alignment, reducing bone sacrifice and uncontrolled cutting errors.

Rotatable teeth on clamping jaws automatically orient to patella geometry, ensuring precise resection without manual adjustment.

Segmented guide sections and thin mini-plates resolve the trade-off between cutting precision and handling ease in jaw reconstruction.

Force-fitted sawing templates reduce production costs by consolidating multiple cutting functions into a universal design.

A lateral surgical instrument uses a moveable cutting guide to resect the greater tubercle while sparing anterior soft tissues.

A medical device chuck assembly uses a rotating cam sleeve to secure accessories through a single push-to-lock action.

A metallic cutting insert with chemically etched holes receives a molded polymer body to create a composite surgical instrument.

Negative contour matching on patient-specific guides aligns with anatomy to reduce intra-operative decision-making and placement errors.

A spring-fit structure engages surgical instruments within guide slots to constrain movement and stabilize positioning during joint preparation.

Converging guide surfaces direct wedge removal and bone rotation to correct angular deformities without altering bone length.

An asymmetric drill bit positions the cutting edge away from the central axis to place tunnels closer to the femoral condyle without damaging surrounding bone.

A distal femoral cutting device uses intra-articular landmarks to establish precise reference planes for surgical alignment.

A femur cutting template system uses a datum block to position surgical guides relative to the transepicondylar axis.

A surgical cutting block uses a roller adjuster to move along a depth arm groove for precise positioning.

Coupling a saw template to a rasp body eliminates angular errors and offset issues during hip joint endoprosthesis implantation.