Guide pin anchoring force tester

The Guide Pin Anchoring Force Tester is designed to evaluate the anchoring performance of mammary positioning wires and guide needles. It ensures that the positioning filament remains stable within tissue, preventing displacement or dislodgement prior to surgery. This testing is essential for accurate tumor localization and safe surgical procedures.

Application

This instrument is suitable for a variety of medical and surgical applications, including:

(1) Mammary positioning wires for breast surgery – ensuring stability during preoperative procedures.

(2) Guide needles used in tumor localization – verifying anchoring effectiveness.

(3) Surgical R&D – testing new positioning wire or guide needle designs.

(4) Quality control in manufacturing – confirming the reliability of disposable guide needles and positioning filaments.

(5) Preclinical trials – simulating in-tissue performance of positioning devices.

Standards

The device is designed to meet the following standards:

(1) YY/T 0880-2013: Disposable Breast Positioning Wire and Guide Needle (China)

Optional international reference standards for extended compliance:

(2) ISO 10555-1: Sterile single-use intravascular catheters – General requirements

(3) ASTM F2084: Mechanical testing for medical guidewires

Features

(1) Accurately measures anchoring force to ensure clinical reliability.

(2) High-precision force sensor with hardware and software protection.

(3) Adjustable test speed and distance for flexible simulation.

(4) Built-in printer for immediate recording of test results.

(5) USB connectivity for data storage and export.

(6) Durable fixture made of high-quality 304 stainless steel.

(7) Simple operation with real-time force monitoring.

Parameters

Parameter	Specification
Tensile force range	0 – 20 N, accuracy ±1%, resolution 0.01 N
Test time	1 – 999 s, error ±0.5 s
Test speed	10 mm/min, 50 mm/min, 100 mm/min
Distance adjustment	10 – 50 mm, adjustable
Force sensor	High-precision, with hardware/software protection
Fixture	304 stainless steel
Force measuring mechanism	Built-in
Printer	On-board micro printer
Data storage	USB compatible, export to computer
Machine power	70 W
Power supply	AC 90–240 V, 50 Hz

Accessories

(1) Main test unit – 1 set

(2) USB storage device – 1 set

(3) Micro printer paper – 1 roll

(4) Operation manual – 1 set

(5) Optional fixtures/adapters for different guide needle diameters

Test Procedures

(1) Secure the guide needle or positioning wire into the stainless steel fixture.

(2) Adjust the test distance according to the sample size.

(3) Set the desired test speed and duration.

(4) Start the test; the instrument applies tensile force to the guide needle.

(5) Monitor the anchoring force in real-time.

(6) Test results are automatically recorded via the built-in printer and can be exported via USB.

Maintenance Information

(1) Keep the fixture, sensors, and printer clean and free of debris.

(2) Regularly calibrate the force sensor to ensure measurement accuracy.

(3) Avoid exposure to excessive moisture or vibration.

(4) Inspect mechanical components periodically for wear or loosening.

(5) Follow electrical safety standards during operation.

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