Surgical Needles TRIZ Cases

Segmented recapture catheters minimize rigid component length to navigate vasculature while centering devices secure offset implants.

A tongue retaining sling device secures the anterior tongue position to maintain airway patency.

Integrated observation window and optical fibers provide real-time visual feedback for precise targeting without external MRI systems.

A nasogastric tube insertion system uses a curved inserter element to guide a swallowable weight along the esophageal path.

An automated method determines optimal imaging planes based on instrument trajectory data and reference coordinate systems.

Integrating a retractable tool into the flexible element eliminates large channels, reducing invasiveness while preserving unobstructed camera views.

A surgical dilating member features atraumatic edges to minimize tissue trauma during percutaneous access.

A fractional radiofrequency grid array delivers uniform thermal energy to stimulate fibroblast activity and type 1 collagen production in target tissue.

Segmented hub design accommodates various needle diameters while integrated protection prevents needle stick injuries.

A microwave antenna assembly circulates dielectric coolant fluid through a hub to maintain consistent impedance match during ablation.

Evaluation unit determines reflection signals from tissue to calibrate microwave applicators, resolving complexity in identifying malignant tissue contours.

Segmented needle design navigates tortuous bile ducts by combining flexible distal tips with stiff proximal control.

Segmented steerable sections and dynamic control improve navigation precision to inaccessible lesions while maintaining maneuverability.

Motor-driven needle rotates within a telescoping housing to harvest tissue samples efficiently.

A biopsy instrument uses a telescopic shape memory alloy tube to retrieve tissue samples without suction.

Nested delivery needles deploy shape memory coils into tissue, preventing deformation during insertion for precise ablation.

Marked access tools correlate ablation volumes with cement injection zones to prevent tumor recurrence.

An optical waveguide integrated into a medical needle transmits and receives light to detect tissue reflection characteristics.

Spacer-based electrode spacing in percutaneous treatment devices reduces arcing risk while maintaining effective high-voltage pulse delivery.

Nested scopes and fluid distension allow non-invasive fallopian tube examination, resolving diagnostic reliability issues without surgical incisions.

Infrared laser probes transmit energy through pelvic tissue to reduce muscle spasms and pain without invasive surgery.

Rotating sheath alignment resolves fluid management complexity while enabling precise agent injection under visual guidance.

A hollow pipe with an elastically deformable constricting member adjusts water pressure settings for endoscopic procedures.

Percussive pulsed laser drilling creates symmetrical blind bore holes in surgical needles, eliminating ink coatings and reducing recast defects.

A flexible tissue tray transitions between arcuate and flat configurations to collect biopsy samples.

An asymmetric cam mechanism sequentially arms the stylet and cannula in a biopsy device, resolving jamming risks caused by manufacturing tolerances.

Segmented electrodes expand ablation coverage while inflatable stoppers prevent adjacent tissue damage.

A robotically delivered endobronchial catheter reduces tissue impedance using conductive fluid to enhance RF energy delivery.

Removing dysfunctional duodenal mucosa addresses underlying pathogenesis, lowering HbA1c and insulin dosage without invasive surgery risks.

Pivotable jaws on an endoscope adaptor enable precise tissue removal while managing device complexity through nested actuation.

A rotating subject positioning system enables real-time spinal imaging in weight-bearing orientations within an upright magnetic resonance scanner.

A surgical guidance device uses radiopaque markers to visualize needle position during insertion.

Extractor cutter dissects tissue while clamping structures grip the lead, reducing trauma during extraction.

A flexible brush biopsy device transitions from a constrained to an expanded configuration within a needle lumen.

A jaw closure transmission system uses a finite stiffness member to store energy and provide tactile feedback during surgical instrument operation.

A wiper mechanism bends to propel tissue samples from a biopsy piercer notch into a sample chamber.

A guided instrument system uses threshold-release locking to maintain stability while protecting patient anatomy from movement-induced stress.

A spring-loaded anchor expands the biopsy marker cross-section to prevent migration and ensure stable positioning.

An offset jaw clamp constrains needle rotation and pivoting through multi-point contact, resolving alignment instability in minimally invasive suturing.

Indexing respiratory states allows virtual MRI visualization during ultrasound-guided biopsies, eliminating breast compression discomfort.

An integrated analyte sensor combines the sensing element and transmitter within a single disposable housing to enable continuous monitoring.

Integrated absorbent layer and cover layer with orifices manage exudate flow to prevent blockages and extend dressing lifespan.

Intermediary grip tools mediate finger contact to eliminate slippage and injury risks during precise dermatological cutting procedures.

A bioinjection device uses a segmented sheath and stylet to deploy medicament cartridges directly into bone fractures.

Local field stimulation alters transmembrane potential of cardiac cells to modulate ion channel function and depolarization rates.

Spring-driven retraction of the biopsy element reduces tissue trauma while maintaining sample quantity.

A flexible endoscope deploys bipolar parallel electrodes to ablate deep-seated tumors through natural lumens.

Vacuum suction and mechanical separation remove uterine polyps without thermal injury or fluid imbalance.

A disposable intra-osseous access device features an automatic locking driver unit that prevents reuse after needle removal.

A computing device calculates temperature from fiber Bragg gratings to extrapolate the ablation volume during microwave therapy.