In medical tubing extrusion and inspection, small dimensional variations can quickly become product failures. Catheters, guidewires, delivery systems, and micro-extruded tubing require precise control of OD, ovality, ID, wall thickness, lumen size, and concentricity. Laser and ultrasonic measurement systems provide real-time dimensional data for extrusion control, laboratory inspection, and quality validation.
Gauge Advisor is the official sales and service partner for LaserLinc , the U.S. manufacturer of precision laser and ultrasonic measurement systems for medical tubing, guidewires, and components used in FDA-compliant production and validation environments.
Tell us your tubing dimensions or application and we will recommend the right LaserLinc system. We will also provide pricing and lead times. Need us to test samples? We can do that too.
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Laser micrometers measure tubing outer diameter and ovality with micron-level precision during extrusion and inspection. These systems provide continuous dimensional monitoring to maintain tight tolerances in catheter, guidewire, and medical tubing production.
Measure outer diameter, inner diameter, and wall thickness on cut polymer tubing samples in seconds. The BenchLinc OD/ID/Wall system provides fast, repeatable dimensional inspection for post-extrusion QA, validation testing, and process verification.
Automated scanning systems inspect the entire length of catheters and guidewires while rotating the part. The Metron system generates detailed dimensional profiles across proximal, body, and distal sections with minimal operator influence.
Measure OD, ID, and wall thickness on rigid and metallic tubing including hypotubes, nitinol components, and cannulas. The BenchLincUT system provides precise dimensional analysis for incoming inspection, validation testing, and laboratory measurement.
FlawSense combines OD measurement with laser triangulation sensors to detect surface defects including scratches, gels, inclusions, and foreign material in real time. Ideal for inline extrusion inspection or final quality verification.
Secure and stabilize tubing during inspection using precision fixtures, roller guides, feed-through guides, and micrometer stands. Proper part holding improves alignment, reduces vibration, and ensures repeatable dimensional measurements.
Control OD, ovality, wall thickness, and concentricity in real time during tubing extrusion. Integrated laser and ultrasonic measurement systems provide continuous feedback to extruders, pullers, and cutters to maintain tight tolerances in medical, catheter, and micro-extrusion applications.
Use UltraGauge ultrasonic systems for in-line wall thickness measurement during tubing extrusion. Measure walls as thin as 0.001 in (25 µm) in polymers or 0.003 in (75 µm) in NiTi tubing. Not sure which transducer fits your product? Check them using our Ultrasonic Transducer Selector.
Laser micrometers measure diameter, ovality, and dimensional variation with sub-micron precision. Use as a stand-alone inspection system or integrate with PLCs for closed-loop extrusion control. Need help selecting reference pins for verification? Try our Calibration Pin Selector tool.
Verify OD, ID, wall thickness, and concentricity after the tube has cooled and stabilized. Cut a short sample and measure it instantly with BenchLinc OD/ID/Wall. Send dimensional offsets back to the extrusion line through OPC-UA for process correction.
FlawSense detects surface defects such as gels, voids, inclusions, and edge defects while continuously monitoring OD trends. Designed for catheter extrusion, balloon tubing, and medical micro-extrusion where visual defects and dimensional drift must be identified immediately.
AutoPilot automatically centers ultrasonic transducers on the tube to stabilize wall thickness and concentricity measurement during extrusion startup. Reduces manual alignment and improves repeatability for catheter extrusion, balloon tubing, and medical micro-extrusion lines.
Inline OD, wall, and concentricity measurement.
Offline OD/ID/wall validation for QA and first-article inspection
Non-contact scanning up to 72” for uniformity and taper, proximal, and distal tip validation
Concentricity and wall thickness measurement for stents, cannulas, and structural components
Rigid or semi-rigid tubing inspection with ID/OD/Wall and optical surface flaw detection
Diameter consistency and defect detection during forming or coating
Inline OD measurement with specialized “bump and taper” software.
High-resolution surface inspection to catch delamination, streaks, and inclusions
Lab-based benchtop systems for coating thickness and defect scans
Spot-checking raw tubing or vendor parts before production
Benchtop systems used in cleanroom or lab settings to validate new designs
Measurement logs and trend data support traceability and FDA documentation (IQ/OQ/PQ).
Interactive Tool
Use our Medical Tubing & Catheter Measurement System Selector to compare the best starting path for inline extrusion, QA and lab checks, wall thickness measurement, full-length scanning, and defect detection.
It is a fast way to narrow down which equipment may fit your line or inspection workflow before requesting pricing or application guidance.
Use the Medical Measurement SelectorWatch product demos to see how LaserLinc provides continuous, FDA-compliant ID/OD, Wall Thickness, and Defect Inspection for Quality Control.
Our medical tubing measurement systems are optimized for every stage of quality control from QA/QC labs to high-speed Production and Extrusion environments. Use this chart to quickly find the perfect gauge, whether you need continuous measurement during extrusion, precise quality control on short samples (under 5"), or full-length scanning for finished products like catheters and guidewires.
| Capability | Laser Micrometer (Dual/Triple Axis Dimensional Gauge) | Metron (Full-Length Scanning for Catheters/Wires) | BenchLinc OD/ID (Short, Cut Sample Inspection) | BenchLinc UT (NiTi/Metallic/Mandrel-Loaded Poly Tubing) | UltraGauge+ (Continuous Extrusion Measurement) | FlawSense (100% Surface Defect Inspection) |
|---|---|---|---|---|---|---|
| Measures Outer Diameter (OD) | ||||||
| Measures Ovality | ||||||
| Measures Inner Diameter (ID) | ||||||
| Measures Wall Thickness | ||||||
| 100% Surface Inspection | ||||||
| Shape Measurement | ||||||
| Full Stats, Custom Reporting | ||||||
| ADVANCED EXTRUSION CAPABILITIES (Real-Time Control) | ||||||
| Bump/Taper Software & Control | ||||||
| Closed-Loop Process Control | ||||||
Related Tools
Use these quick tools to check ultrasonic wall thickness compatibility and select the right calibration pins for LaserLinc measurement systems.
Check whether your tubing dimensions are compatible with LaserLinc ultrasonic wall thickness measurement.
Check Wall Thickness CompatibilityChoose the right reference pins for accurate diameter and ovality verification on LaserLinc micrometers.
Select Calibration PinsMedical Tubing Measurement FAQ
Common questions about OD, ovality, ID, wall thickness, concentricity, lumen size, surface defects, inline extrusion measurement, QA lab inspection, and full-length catheter or guidewire scanning.
A medical tubing measurement system measures critical dimensions on catheter tubing, guidewires, micro-extruded tubing, hypotubes, shafts, and related medical components. Depending on the system, it may measure outer diameter, ovality, inner diameter, wall thickness, concentricity, surface defects, or dimensional variation along the full part length.
OD and ovality are typically measured with non-contact laser micrometers. ID, wall thickness, and concentricity are commonly measured with ultrasonic systems or bench inspection platforms when the material and geometry support ultrasonic measurement. For many catheter and medical tubing applications, the right setup combines laser diameter measurement with ultrasonic wall measurement or offline QA inspection.
The best system depends on the tubing material, number of lumens, wall thickness range, OD range, required accuracy, and whether the inspection is inline or offline. For single-lumen tubing, ultrasonic measurement can often measure ID, wall thickness, and concentricity. For complex multi-lumen catheter designs, sample evaluation may be needed to confirm the right inspection method and measurement repeatability.
Laser micrometers measure external dimensions such as OD and ovality. They do not directly measure internal diameter or wall thickness by themselves. Wall thickness, ID, and concentricity typically require ultrasonic measurement, a bench inspection system, or another technology suited to the tubing material and geometry.
Laser micrometers are used for OD, ovality, and dimensional control. Ultrasonic systems are used when ID, wall thickness, or concentricity must be measured. Full-length scanning systems inspect dimensional variation along longer catheters, guidewires, or delivery-system components. Surface inspection systems are used when the process needs to detect scratches, gels, inclusions, bumps, foreign material, or other non-dimensional defects.
Inline extrusion measurement is used when the goal is real-time process control, continuous monitoring, closed-loop feedback, or immediate detection of dimensional drift. Offline QA inspection is used for sample checks, validation, incoming inspection, finished-part verification, and dimensional studies. Many medical tubing manufacturers use both approaches: inline gauges for process control and bench systems for QA validation.
Full-length scanning systems move the part through a controlled inspection path and measure dimensional variation along the length of the catheter, guidewire, shaft, or delivery-system component. This can help identify taper transitions, localized dimensional changes, ovality variation, bumps, or defects that may not appear in a short sample measurement.
Surface defect systems use optical or laser-based inspection methods to detect flaws that may not appear in a standard OD measurement. These can include scratches, bumps, gels, inclusions, discoloration, foreign material, or other surface anomalies. Defect detection is often used alongside dimensional measurement when product appearance, cleanliness, or surface integrity is critical.
Many medical tubing measurement systems can be configured for QA labs, inspection rooms, and production environments where cleanliness, repeatability, and documentation are important. The right configuration depends on the inspection workflow, part handling, sample length, fixture requirements, software needs, and whether the system will be used near extrusion, in final inspection, or in a controlled QA area.
Measurement systems support validation and quality control by providing repeatable dimensional data for OD, ovality, ID, wall thickness, concentricity, and other critical features. This data can be used for production monitoring, sample inspection, capability studies, process troubleshooting, documentation, and ongoing quality verification.
We’ve worked with teams at every level, from engineers validating new processes to operators trying to keep the line in spec. If you’re stuck trying to find the right medical tubing measurement systems, we’ll help you figure out what works.
