Product showcase
direction. This spring design has no inertia to overcome when considering the initial- position starting forces. Constant-force springs are compact and mount easily to existing hardware.
■ Spiral torsion springs allow rotation in two directions and a ‘return to centre’ capability. Spiral torsion springs are normally used in applications requiring less than 360° rotation. They are generally used to obtain a large amount of torque with a small amount of rotation.
■ Spring-powered reels – arbor and base-mounted – are available with a wide range of force, cable lengths and travel. The Spring- powered reels mount easily, come with pre-installed cables and attach quickly. John Evans’ Sons is eager to discuss the design requirements and spring challenges in clients’ various design and prototype phases. Many choices of springs and reels are stock items that can be shipped quickly to assist with product evaluations.
John Evans’ Sons
www.springcompany.com
Precision multi-axis micro coiling system The KineCoil division of Kinefac Corporation in Massachusetts, US, provides multi-axis servo coiling systems and tooling for the global medical device industry. KineCoil MicroCoiler machines are designed to produce tiny springs and continuous length coils for applications such as catheter guidewire delivery systems, stent delivery systems, pacemaker leads, aneurysm occlusion devices, and fluoroscopy marker bands. These coiling systems make finished cut-to-length coils without the need for secondary
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The KineCoil’s CNC 5-Axis MicroCoiler produces tiny springs and continuous length coils for medical applications.
trimming or stretching operations and can operate in a clean room or shop environment. The MicroCoiler is a five-axis CNC single-point deflection coiler, which can process round and flat wires ranging from 0.025mm (0.001-in) to 0.152mm (0.006-in) diameter. Coils ranging up to five metres in length or more are cut to length automatically and can have varying diameters and pitch spacing within each coil. The deflection coiling process allows for varying diameters and long or short lengths to be achieved without the constraints of an internal support mandrel. Common wire materials that can be processed on the MicroCoiler are 304V and MP35N stainless steels, and Pt-W and Pt-Ir platinum alloys with tensile strengths ranging from 180,000psi up to 400,000 psi. Typical coil diameter tolerances that can be held are ±0.005mm (±0.0002-in) for coil indexes between three and five, and ±0.008mm (±0.0003-in) for indexes between five and ten. Typical coil pitch spacing tolerances that can be held are ±0.005mm (±0.0002-in) for coil indexes between three and five, and ±0.012mm (±0.0005-in) for indexes between five and ten. Coil length can be held to ±0.250mm (±0.010-in) when using a length sensor.
MicroCoiler wire feed speeds range from seven meters per minute (300-ipm) up to 25 meters per minute (1,000-ip)
depending on the coil stiffness, length, geometry, and support system. KineCoil offers standard and customised parts handling units with automatic dumping tray and sorting capability. Application support is available for anything ranging from evaluating coils for the deflection coiling process, troubleshooting, machine operation, prototyping, and training seminars on coiling theory.
KineCoil, division of Kinefac Corporation
www.microcoiler.com
Trusted partner for medtech innovators
■ dermatology ■ wearables and sensors ■ virology and immunology ■ PPE ■ biomarkers and
biomedical engineering.
Kolabtree’s medical writers can support customers at every stage of the product cycle. Services they provide include: ■ Regulatory writing: Clinical evaluation reports, FDA submissions, EMA documents and more.
■ Medical writing: Dossiers, research papers, grant applications, clinical trial documents.
■ Scientific content writing: Blog articles, white papers, product brochures.
■ Clinical trial documents: Protocols, case study reports, and more.
Kolabtree is a global go-to expert network for a variety of businesses.
With over 17,000 freelance specialists under one roof, Kolabtree is the world’s go-to expert network for businesses of all sizes. Its safe and secure platform helps medical device companies hire trusted industry experts for help with regulatory compliance, clinical research and product marketing. It makes it easy for its clients to work with medical writers, technical consultants and statistical analysts to take their product to market with confidence. Its freelancers, many of whom are PhD-qualified, have worked for some of the world’s leading medical device companies. Their expertise spans a wide range of subject areas, including: ■ oncology ■ neurology ■ orthopaedics ■ cardiology and
cardiovascular diseases
■ urology ■ gynaecology
The company takes extra steps to ensure that the end-to- end experience is safe, secure and risk-free, for example: ■ IP protection and NDAs: The IP is protected by default in Kolabtree’s terms and conditions, but clients can sign custom NDAs and agreements for added protection.
■ Keep projects private: Customers are always in full control over who can see their project details and send them proposals. They can restrict visibility only to freelancers they personally invite.
It’s free to post a project on Kolabtree or contact an expert directly. Over 90% of its clients get quotes in eight hours.
Kolabtree
www.kolabtree.com
Medical-standard welding
The new Basic S from Leister is the perfect integrable plastic laser-welding system for the medical industry.
Medical Device Developments /
www.nsmedicaldevices.com
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