When a medical device depends on a spring that has to hold force to a tight tolerance, cycle millions of times without failing, and stay biocompatible in the body or the fluid path, a catalog part will not do. Anderson Quality Spring (AQS) is a custom medical springs manufacturer that builds compression springs, extension springs, torsion springs, constant force springs, and precision wire forms to the exact specifications medical devices and dental equipment require.
Medical springs live inside insulin pumps, surgical staplers, hospital beds, and diagnostic equipment, and dental springs move the chairs, handpieces, and operatory furniture a clinic relies on all day. In both, a part that drifts out of spec is not a warranty claim but a patient safety issue. AQS manufactures medical device springs and wire forms to the dimensional and force tolerances your device demands, with the material traceability and documentation your quality team has to be able to audit.
AQS has produced springs and wire forms for medical device and dental companies for decades, from the largest dental product manufacturers in the United States to medical device makers building drug delivery, diagnostic, and patient care equipment. We work in medical-grade materials, hold ISO 9001:2015 certification, and manufacture every part in the USA at our facility in Canby, Oregon.
Medical devices run on tight tolerances, traceability, and parts that perform every cycle. Medical springs operate in demanding environments: repeated actuation in a drug delivery device, exposure to corrosive substances and high heat during sterilization, and load cycles that must not relax over the life of the device. AQS manufactures each medical spring to the fatigue-life, corrosion-resistance, and dimensional requirements your device specifies, so the force your device applies on the first cycle is the force it applies on the last. The custom springs in medical devices carry real clinical consequences, and AQS builds them to that standard. The same manufacturing discipline goes into the dental springs AQS produces for chairs and instruments. Get it right the first time, and every time after that.
AQS controls medical spring manufacturing from wire to finished, packaged component. Our Canby, Oregon facility runs in-house CNC coiling and forming, shot peening, passivation, labeling, and packaging, with presetting where a device’s spec calls for it. For finishing and requirements we do not hold in-house — powder coating, specialized sterilization, or cleanroom packaging, for example — we work through our network of certified outside processors and hold them to the same quality standards, so you receive a finished, spec-compliant part.
Medical spring performance starts with the right material, and medical devices are only as reliable as the springs inside them. AQS manufactures medical springs in stainless steel, including 17-4 PH and 300-series grades, along with titanium, Elgiloy, and other biocompatible, corrosion-resistant alloys chosen for the device and its environment.
Stainless steel and titanium suit patient-contact and fluid-path components that require corrosion resistance and biocompatibility, while carbon steel and music wire serve medical equipment and dental equipment mechanisms like hospital beds, bed lifts, and dental chairs where biocompatibility is not required. We source specialized alloys to your material certification requirements and document them for full traceability. Whether the part is a compression spring, an extension spring, or a torsion spring, the material is matched to its cycle life and the medical applications it serves. Medical springs most often fail at the material, not the geometry, so material selection comes first.
AQS produces small, high-precision medical springs and wire forms for miniaturized medical devices, holding the repeatable coiling and forming tolerances these parts require. Our cutting-edge CNC equipment enables precise, repeatable operations across every lot.
In-house passivation prepares stainless steel components with a clean, corrosion-resistant surface, and shot peening builds the fatigue strength a high-cycle medical spring needs, with presetting where a device’s spec calls for it. Labeling and packaging are handled in-house so parts arrive ready for your assembly line; coatings and other specialized finishing run through our certified outside processors.
Medical devices require proof, not assurances. AQS supports load testing, dimensional verification, fatigue-cycle testing, and material traceability from raw stock to finished part, with material certifications for the documentation your program requires.
Where a device program calls for advanced non-destructive testing or first article inspection (FAI), we build those steps into the production plan. Rigorous traceability protocols mean every lot can be traced back to its certified raw material, which is what a medical quality audit depends on.
AQS manufactures the full range of medical spring types and wire forms, including technical compression springs, extension springs, torsion springs, constant force springs, flat springs, and custom wire forms. From constant force springs that retract and tension mechanisms to helical coil springs that control fluid flow in drug delivery devices, we match the type of spring to the device function. These types of springs, spanning compression springs, extension springs, torsion springs, and constant force springs, cover the mechanical functions medical devices rely on.
We produce medical device springs and wire forms for a wide range of medical devices, dental equipment, and clinical instruments, including, but not limited to:
Springs and wire forms appear throughout medical devices, dental equipment, and clinical instruments, and different medical applications each set their own force, travel, cycle-life, and cleanliness requirements. Dental equipment sets its own, from the counterbalance in a chair arm to the valves in a handpiece. AQS manufactures custom springs to the spec each medical application requires, not to a generic catalog rate. From durable medical equipment to handheld devices, the medical applications below are representative of the work AQS supports.
Across these medical applications, AQS holds the force and dimensional tolerances that medical devices require, and documents every one of these types of springs for traceability.
Drug delivery devices depend on springs for precise, repeatable force. Coil and compression springs meter fluid flow in insulin pumps and infusion pumps, springs in insulin pens and needleless injectors deliver a consistent dose, and inhaler springs actuate on every use. AQS manufactures these springs to the tight force tolerances that dose accuracy and patient safety require.
These custom springs sit inside medical devices that run through millions of actuation cycles, so fatigue life and consistent force are held to spec from the first prototype.
Surgical instruments rely on springs for control and repeatability. AQS produces springs for surgical staplers that place staples accurately, springs for surgical tools and handheld instruments, and precision wire forms for guidewires, often in stainless steel or Elgiloy, used in minimally invasive procedures. As surgical robotics adds motion-control mechanisms to the operating room, precise, fatigue-resistant springs keep those mechanisms in spec.
These are among the most demanding medical devices AQS supports, and every spring is validated against the force and cycle-life the instrument requires.
Diagnostic and imaging equipment uses springs in contacts, actuators, and mechanisms that have to work reliably at scale. AQS manufactures springs and battery contacts for glucose monitoring products and portable diagnostics, and springs and wire forms for ultrasound devices, X-ray machines, and MRI machines. Non-magnetic materials such as titanium and Elgiloy are available where MRI machines and their magnetic fields require them.
This medical equipment runs continuously in clinical settings, so the springs inside it are built for reliability at scale.
Patient care and mobility equipment puts springs to work over long service lives. AQS produces extension and constant force springs for adjustable hospital beds, chairs, and bed lifts, and springs and wire forms for mobility aids, rehabilitation devices, and orthopedic braces. These medical equipment springs are built for smooth, repeatable motion the patient and caregiver can rely on every day.
Extension springs and constant force springs in this equipment must hold their rate over years of daily cycling, which is where AQS’s fatigue-focused process and material selection matter most.
Many medical devices depend on reliable electrical connection as much as mechanical force. AQS manufactures battery contacts, board-level contacts, and precision wire forms for medical electronics, from portable monitors to handheld diagnostics. These components hold their contact force across thousands of insertions and the full life of the device.
Reliable battery contacts are as critical to a portable medical device as any mechanical spring, and AQS produces both.
AQS has deep roots in dental manufacturing. Being located in the Pacific Northwest gives AQS access to some of the largest dental product companies in the United States, and that close working relationship has built specialized expertise in dental product requirements.
Our team designs springs for dental chairs, dental devices, and operatory furniture. AQS manufactures dental chair springs and dental arm counterbalance springs built for the smooth, repeatable motion a clinical operatory relies on through years of daily use.
For dental instruments and equipment, AQS produces small valve springs, small switch springs, wire clips, and a wide range of specialized parts. The same tight-tolerance capability that serves medical device makers serves dental product companies building precise, durable equipment.
Every medical spring is manufactured at our facility in Canby, Oregon. Production is 100% made in the USA on precision medical components, and it scales from prototype through validation to high-volume production, for all types of springs, without re-qualifying a new supplier.
AQS is an ISO 9001:2015 certified spring manufacturer, certified since 2000. That certification is the quality management baseline many medical device and dental product suppliers are required to meet, and it gives your supplier qualification process the documentation and process discipline it looks for.
Certified quality management system since 2000
Canby, Oregon — prototype through high-volume production
Custom medical device springs are engineered, not ordered off a shelf, and AQS supports that engineering from the design phase forward. Our engineering team understands that each medical and dental application has unique and stringent regulatory requirements.
AQS works from your existing blueprints, reverse engineers samples, or helps develop a new design from a technical consultation, catching tolerance problems before they become production or assembly issues on a medical device or dental equipment program. Precise engineering support up front reduces assembly problems downstream.
We collaborate with your team through the entire process, from prototyping to PPAP (Production Part Approval Process) and full production, and scale with you from first prototype to high-volume runs without re-qualifying a new supplier. AQS also manufactures related custom springs and wire forms for industrial and commercial applications.
AQS offers full-service manufacturing of custom springs and wire forms for the medical device and dental industries, from a basic dental chair spring to a precision component for a drug delivery or surgical device. Bring us your drawings, your reverse-engineered sample, or your design challenge, and we will work with your team to manufacture the medical springs your application requires. Submit your drawings and request a quote to get started today.
