Surgical Saws TRIZ Cases

Segmented cutting guides with pivotable elements reduce tissue disruption and wound complications during calcaneal osteotomies.

A drill guide system couples to patient-specific alignment guides using matching referencing holes and coupling members to position the device on bone.

A self-clearing surgical saw blade uses radial energy to eject bone chips during cutting.

Progressive punch forming creates a precise pivot boss, and laser welding assembles the blade bar to prevent curvature that degrades cutting accuracy.

A femoral guide wire and elongate element enable precise acetabular reaming through minimal incisions, reducing soft tissue trauma without hip dislocation.

Lateral arms on a spiked head assembly create an access space for cutting blocks, resolving stability versus obstruction trade-offs.

A femur cutting jig uses sparse contact points to position a cut bar plane.

A composite saw blade with a plastic sliding element reduces friction and heat generation during femur resection, extending template service life.

Curved indent geometry on the blade attachment minimizes drive boss wear and prevents slippage during cutting operations.

A surgical blade features a non-planar gripping portion to increase bending stiffness.

A keyless coupling mechanism secures a surgical tool shaft to a handpiece using an integrated latch portion and undercut design.

A monolithic surgical saw blade pivots at its proximal end to engage bone at a shallow angle while a protective sheath encloses the cutting mechanism.

Additive manufacturing creates customized surgical instruments matching femoral condyles, resolving generic instrument misalignment.

Projections on the femoral finishing guide constrain the saw blade path, preventing soft tissue damage while an anterior flange ensures stable fixation.

A positioning guide system uses sensors to detect proximity against anatomic landmarks for objective surgical tool alignment.

Negative contours on customized tibial cutting blocks match patient anatomy to resolve alignment precision challenges in joint arthroplasty.

A fibrotic tissue treatment device uses teeth and grooves to apply controlled mechanical force for effective therapy.

A frustoconical screw and detachable shank form an opening wedge tap instrument that advances into bone cuts.

A patient-specific cutting guide with inclined arms defines precise osteotomy planes and depth.

Adjustable paddles with hooks stabilize patient-matched instruments during knee arthroplasty procedures.

A bone plate system with a resection guide positions on the bone to enable precise cutting and alignment.

A fulcrum pivots metatarsals to correct bone deformities.

Segmented femoral offset instrument sets precise reaming depth and orientation, resolving trade-offs between measurement accuracy and device complexity.

A tibial resection system uses an alignment guide and adjustable drill mechanism to position surgical tools for precise bone cuts.

Bone cutting guide system uses articular referencing platforms to prepare donor and recipient bone sites, resolving inefficiency of hand instruments.

A bone milling system uses a guide rod inserted into the intramedullary canal to create a reference aperture.

An asymmetric fulcrum with varying thickness rotates bones to anatomically correct positions while reducing intermetatarsal angles.

Segmenting the blade body with void areas extracts bone chips, reducing friction and temperature buildup at the cutting area.

Cut guide with slot and alignment holes guides surgical blade to reduce Meary's angle.

A bone displacement system with a compression-distraction mechanism and rotation mechanism adjusts metatarsal alignment.

A tibial cutting block uses a two-dimensional pin hole grid to secure mounting on bone surfaces.

Valgus and drill guide system prepares distal femur condyles for knee prosthesis installation.

A bone cut guide uses a stem and anchoring portion to position saw slots for precise osteotomy.

An intramedullary-based femoral trial instrument uses nested sizing guides and dynamic adjustment to resolve ligament balance precision trade-offs.

Dual blades engage opposing implant sides to reduce insertion cycles and shorten revision surgery time.

Sliding resistance mechanism adjusts cutting guide angle without disassembly, improving access and accuracy during distal femoral planar cuts.

Angled screw holes in a segmented plate enable perpendicular compression across the capitate-lunate joint, reducing nonunion rates.

An integrated positioning guide secures femoral and tibial cutting blocks to ensure precise alignment and reduce implant failure risk.

A distal femoral jig assembly flips 180° to switch preset valgus angles for left or right leg resections.

A stylus assembly uses a cam-based locking mechanism to secure an adjustable stylus within a C-shaped body.

Transverse perforations in the sonotrode create elastic mobility, allowing dissolved bone material removal and deeper penetration during ultrasonic cutting.

Segmenting specific bone plates into single-use packages reduces inventory complexity and component loss while maintaining surgical versatility.

A distal femur alignment system uses a common rotation axis for independent height and angle adjustment modules.

A reusable medical procedure power tool features a removable attachment interface connected via an aperture to enable easy disassembly and cleaning of external components.

Nested offset tool and surgical block enable precise femur reaming, resolving alignment complexity in knee replacement surgeries.

Segmented resilient brace members encircle malleoli to stabilize alignment guides, preventing translation and rotation during procedures.

A resection guide system guides cutting instruments within bone voids to match prosthetic placement.

A reversible compressor-distractor uses angled pin-receiving holes to engage bone portions for realignment.

Adjustable articulation joints on a fixing clamp enable independent positioning of clamp arms, eliminating spring preload variability and preventing hematomas.

Angled anchoring pin holes and a reference pin guide eliminate complex intraoperative adjustments, ensuring precise tibial bone cuts during knee arthroplasty.