Suture Equipments TRIZ Cases

A bone anchor sleeve expands radially into a bone hole using a camming rivet and expansion nut mechanism.

A self-cinching suture construct uses a continuous loop and friction sleeve to maintain tension on damaged tissue.

Segmented insertion of a dynamic spacer reduces surgical invasiveness while restoring foraminal height and indirectly decompressing nerve roots.

A fixed anchor secures tissue while an adjustable collar slides along the suture, enabling post-operative tension modification without complex repositioning.

A suture fastener transitions from an unlocked conical helical shape to a locked planar spiral configuration upon axial deformation.

A detachable deployment device houses multiple prostheses and uses a driving assembly to actuate them sequentially through a single access point.

Segmented jaws and dimensionality changes allow navigation through obstructed knee joints while minimizing injury risk to adjacent structures.

A vacuum tweezer constrains suturing needle trajectories using adjustable negative pressure.

A medical apparatus with first and second supports accommodates vertebral components to increase intervertebral space.

A helical attaching device advances through tissue to secure a conduit port without sutures.

Cannulated screw with internal suture passageway resists pullout forces while providing rotational stability.

A modular anchor deployment device uses a spring-biased stylet to secure anchors within the stomach.

An integrated cutter and cinching mechanism secure sutures in challenging anatomical sites without requiring separate instruments.

A bone plate with a synchronized thread system guides screw insertion and locks the head to prevent loosening during fracture healing.

Grooved surgical cones reduce friction and prevent lateral movement during tissue dilation, minimizing trauma and contamination risks.

Automated actuators position needles at a piercing angle to penetrate tissue and capture suture material for precise hemostasis.

A leaflet augmentation patch with a flexible sheet and frame anchors to heart valve tissue to restore coaptation.

A laparoscopic trocar assembly uses a detachable closure cartridge to seal the port after perforation without removing the device.

Pre-tensioned whip stitching on tendon strands resolves difficult post-insertion tensioning, enhancing pull-out strength and stability.

Segmented articulation reduces strain on the bendable needle, enabling reliable horizontal mattress stitches in thick tissue without reloading.

Segmented implant member with pivot joints reshapes the mitral annulus to apply forces from desired directions, reducing leakage.

A braided biopolymer scaffold combines collagen and synthetic fibers to provide mechanical stability.

Polyether-ester grafting boosts crystallinity and strength, resolving low molecular weight trade-offs.

Reciprocating needle rotation forms thread loops while a shuttle passes through them to create secure knots without manual skill.

Segmented clamping portions overcome one-sided limitations to close large defects, while a detachable driving assembly simplifies maintenance.

An integrated endcap merges suture tensioning into one mechanism, resolving the trade-off between reliable perforation closure and manual operation difficulty.

Segmented anchor system prevents reherniation by tensioning strands across annular defects without increasing procedural complexity.

An annuloplasty ring supports valve leaflets and artificial chordae tendineae anchored to papillary muscles, preventing prolapse in complex mitral replacements.

A catheter-deployed occluding member abuts leaflets to enhance coaptation, reducing regurgitation without complex surgical reconstruction.

A soft tissue anchor connects to a bone anchor via fixed-length flexible members that pull the anchor against tissue during implantation.

Parallel guide grooves on an auxiliary device maintain puncture needle alignment, resolving positional instability during suturing.

Biodegradable sutures temporarily fix anchors to the uterine serosa, reducing expulsion rates during tissue involution.

A capless multiaxial spinal screw uses spiral channels in a receiver to lock an elongated member via a bayonet connection.

Acidic hydrolysis of P4HB pellets avoids terminal esterification and elimination reactions, enabling precise molecular weight control for medical devices.

Unilateral hook bone plates provide flexural support and faster installation by eliminating intraoperative prong bending.

Segmented posts with cylindrical recesses allow precise tool engagement, resolving the trade-off between small implant volume and ease of operation.

Meshing teeth transfer motion between jaw shafts so rollers drive needles, reducing surgical time.

A pre-formed flexible construct eliminates time-consuming knot tying in minimally invasive surgery while increasing load to failure strength.

A suture anchor delivery tool featuring a curved shaft and spring-loaded knob for precise placement.

A helically shaped surgical needle facilitates secure sling attachment via a snap-fit mechanism.

Segmented cannula design guides a removal sleeve along the tether path to extract the tongue advancer, reducing surgical complexity and patient discomfort.

Radial slits and triangular flaps attach a reinforcing buttress to a circular stapler, preventing post-operative leakage at anastomotic sites.

A surgical insertion device uses a movable obturator to securely hold and advance a needle within an elongate barrel.

Segmented fixation devices draw apart valve leaflets together via catheter, reducing regurgitation while avoiding sternotomy trauma.

Topical copper ion treatments convert microbial toxicity into therapeutic benefits, eliminating antibiotic resistance risks while promoting tissue healing.

Nested traps prevent loop expansion and slippage during ligament implantation surgery, ensuring stable fixation across varying bone thicknesses.

A dual-phase electrosurgical forceps applies energy to seal tissue then provides tension to divide it in one continuous motion.

Protrusions anchor the central valve against axial movement to seal the interface and prevent regurgitation.

Multi-axis cutters adjust barb depth and angle via tensioned filament control, resolving manufacturing precision trade-offs for tissue repair.