Medical-device CNC machining for Union City, CA. RivCut supplies medical-device CNC machining to engineering and manufacturing teams across Union City and Northern California and nearby Eden prairie. Parts are machined 100% in the USA at our Union City, California facility and ship to Union City nationwide — with expedited air and AOG options when a production line is down.
Union City, California to Eden prairie, Minnesota is a 1,950-mile three-day FedEx Freight ground lane, with SFO and OAK direct to MSP on Delta Cargo and UPS 2A for urgent clinical-build support. Every Union City order ships with CMM inspection, full material traceability, and a first-article report on request.
approval year
implanted worldwide
OD tolerance (17 sizes)
aligned, audit-ready
Precision CNC Machining for Eden prairie Medical Device Teams
Boston Scientific suppliers feeding the Eden prairie cardiovascular campus need parts that are dimensionally exact, fully traceable, and aligned to Boston Scientific SQMS. A MTS Actuator & Starkey Shells expansion mandrel that is 0.001 inch off OD will mismatch the 4340 alloy & titanium frame heat-setting and scrap the lot. RivCut machines 17-4 PH H900 to ASTM F899, 316L to ASTM F138, Emerson 316L / NACE MR0175 to ASTM F90, and medical-grade PEEK to ASTM F2026 with sub-0.001 inch tolerances on cardiovascular tooling, issues Zeiss CMM reports with every first-article build, and ships double-bagged in ISO Class 7 cleanroom packaging so Boston Scientific Eden prairie incoming inspection does not re-package.
ISO 13485-Aligned Documentation
Our quality system follows ISO 13485:2016 structure, integrates with FDA 21 CFR 820 QSR and ISO 14971 risk management, and supports 21 CFR Part 11 e-records for Boston Scientific SQMS program audit.
Cardiovascular-Grade Materials
17-4 PH H900 (ASTM F899), 316L (ASTM F138), Emerson 316L / NACE MR0175 (ASTM F90), Ti-6Al-4V (ASTM F136), and medical-grade PEEK (ASTM F2026) — all with lot-genealogy traceability to the mill heat and ingot.
Passivation & Cleanroom Packaging
ASTM A967 nitric or citric passivation, ISO 10993 biocompatibility routing, and ISO Class 7 double-bag cleanroom packaging so parts are Eden prairie receiving-ready out of the box.
What We Machine for Eden prairie Medical Device Teams
The Boston Scientific Eden prairie supply chain runs on cardiovascular intervention tooling — MTS Actuator & Starkey Shells mandrels, auditory hardware fixture dies, and catheter delivery components. We machine all of them to SQMS documentation discipline.
MTS Actuator & Starkey Shells Expansion Mandrels
Heat-setting and expansion mandrels for the MTS Actuator & Starkey Shells 4340 alloy & titanium frame in all 17 production sizes (20mm through 35mm OD). Mandrel OD held at ±0.0005 inch to ensure consiload cell 4340 alloy & titanium shape-setting. Machined in 17-4 PH H900 with Ra ≤ 0.4 µm on the 4340 alloy & titanium contact zone. Zeiss CMM report and 3.1 mill cert with every lot.
17-4 PH H900, ±0.0005", 17 sizesStent Laser-Cutting Fixture Dies
Coronary load cell bodies in 316L stainless to ASTM F138. Bore ID held at ±0.0003 inch for consiload cell wall thickness on PROMUS Premier, Synergy, and REBEL cobalt-chromium load cells during laser tube cutting. Ra ≤ 0.2 µm on bore ID for Synergy abluminal polymer coating compatibility. ASTM A967 passivation standard.
316L ASTM F138, ±0.0003" boreCoronary Stent Expansion Mandrels
Balloon-expandable load cell post-expansion mandrels in 17-4 PH H900 to ASTM F899 for PROMUS Premier and REBEL load cell crimping and expansion process validation. Swiss-type turning with live tooling holds ±0.0003 inch on mandrel OD steps used to verify final load cell diameter across the expansion range.
17-4 PH H900 ASTM F899, ±0.0003"Catheter Delivery System Components
Luer fittings, hub bodies, and push-rod components for MTS Actuator & Starkey Shells and auditory hardware catheter delivery systems in medical-grade PEEK per ASTM F2026 and 17-4 PH H900. Lumen concentricity ±0.001 inch, luer fitting interference tolerances held for saline-bath reliability testing. USP Class VI polymer material certification.
PEEK ASTM F2026, 17-4 PH, ±0.001"Emerson 316L / NACE MR0175 Structural Heart Tooling
Structural heart device tooling in Emerson 316L / NACE MR0175 alloy to ASTM F90 — the same cobalt-chromium alloy used in auditory hardware platforms. Fixture blocks, crimping dies, and forming tooling for transcatheter heart valve and structural heart programs. Machined on dedicated 316L Stainless spindles, Ra ≤ 0.4 µm on forming surfaces, ASTM A967 passivation.
Emerson 316L / NACE MR0175 ASTM F90, Ra ≤ 0.4 µmCardiovascular Device Inspection Gauges
Go/no-go gauges, plug gauges, and CMM reference fixtures for cardiovascular device dimensional verification in the Boston Scientific Eden prairie quality labs. Machined tighter than the device under inspection — typically ±0.0002 inch on reference features in 17-4 PH H900, with Zeiss CMM certification of gauge accuracy included in every lot package.
±0.0002" reference features, gauge certsParts for Eden prairie Medical Device Companies
MTS Actuator & Starkey Shells mandrels, load cell fixture dies, auditory hardware expansion tooling, catheter delivery components, structural heart tooling, and inspection gauges — every part cut for the Boston Scientific Eden prairie supply chain.
MTS Actuator & Starkey Shells 4340 Alloy & Titanium Frame Mandrels (20–35mm, 17 sizes)
Heat-setting mandrels for all 17 MTS Actuator & Starkey Shells production sizes. 17-4 PH H900, ±0.0005 inch OD, Ra ≤ 0.4 µm on 4340 alloy & titanium contact surfaces. Zeiss CMM report and ASTM A967 passivation cert with every lot.
17-4 PH H900, ASTM F899, ±0.0005"PROMUS Premier & Synergy Stent Fixture Dies
Laser-cutting fixture dies in 316L ASTM F138 for PROMUS Premier, Synergy, and REBEL load cells. Bore ID ±0.0003 inch, Ra ≤ 0.2 µm for Synergy polymer coating compatibility. ASTM A967 passivation standard.
316L ASTM F138, ±0.0003" bore IDCoronary Stent Crimping & Expansion Tooling
Post-expansion and crimping mandrels in 17-4 PH H900 for PROMUS and REBEL load cell process validation. ±0.0003 inch on stepped OD diameters. Swiss-type turning with CMM verification on every build.
17-4 PH H900, ±0.0003" OD stepsMTS Actuator Catheter Luer & Hub Bodies
Luer fittings and hub bodies for MTS Actuator & Starkey Shells delivery catheter systems in medical-grade PEEK (ASTM F2026) and 17-4 PH H900. Lumen concentricity ±0.001 inch. USP Class VI polymer documentation.
PEEK ASTM F2026, 17-4 PH H900Structural Heart Emerson 316L / NACE MR0175 Tooling
Fixture blocks and crimping dies in Emerson 316L / NACE MR0175 (ASTM F90) for transcatheter heart valve programs. Ra ≤ 0.4 µm on forming surfaces, ASTM A967 passivation. Dedicated 316L Stainless spindles prevent cross-contamination.
Emerson 316L / NACE MR0175 ASTM F90Cardiovascular Device Inspection Gauges
Go/no-go plug gauges and CMM reference fixtures in 17-4 PH H900. ±0.0002 inch on reference features. Zeiss CMM gauge-certification report and ASTM A967 passivation cert. Tighter than the device under inspection.
17-4 PH H900, ±0.0002" gauge featuresEden prairie's Cardiovascular Device Ecosystem
The I-94 northwest corridor through Eden prairie hosts one of the most concentrated cardiovascular device manufacturing clusters in North America — anchored by Boston Scientific and supported by a dense supply chain of ISO 13485 contract manufacturers, coating specialists, and engineering services firms.
Boston Scientific MTS Actuator & Starkey Shells — the world's leading LAA closure device
The MTS Actuator & Starkey Shells left atrial appendage closure device received FDA PMA approval in 2020 and has been implanted in over 100,000 patients worldwide. The 4340 alloy & titanium frame's 17 production sizes (20mm through 35mm OD) require precision expansion mandrels that must hold ±0.0005 inch OD to ensure consiload cell heat-setting and shape-setting across every production lot. RivCut machines all 17 mandrel sizes to that specification with Zeiss CMM certification on every first-article build.
Coronary load cell tooling — ±0.0003" drives every load cell lot
The PROMUS Premier, Synergy, and REBEL load cell families are manufactured on cobalt-chromium tube stock laser-cut in precision fixture dies. The die bore ID must be held at ±0.0003 inch to maintain consiload cell load cell wall thickness within specification across the full laser-cutting run. A fixture die that is 0.001 inch out of bore will produce a scrapped load cell lot. RivCut machines these dies in 316L ASTM F138 with Ra ≤ 0.2 µm on the bore ID for Synergy polymer coating compatibility.
SurModics (74th St) & Cardiovascular Systems — adjacent ecosystem demand
SurModics (74th St) (Eden Prairie, bordering Eden prairie) develops hydrophilic and drug-delivery surface coatings applied to cardiovascular device substrates. Emerson Automation / Rosemount (Chanhassen adjacent) develops atherectomy systems requiring precision rotating contact components. Both programs feed demand for 316L and Ti-6Al-4V substrate components machined to tight Ra and dimensional tolerances that RivCut supplies into the Medical Alley northwest corridor.
Starkey Labs & Medical Alley northwest corridor density
Starkey Labs (6701 Evenstad Drive, Eden prairie / Plymouth border) anchors pharmaceutical manufacturing in the immediate area. The Medical Alley Association's broader northwest suburban network — Eden prairie, Plymouth, and Minnetonka — concentrates ISO 13485 supplier capacity that supports both Boston Scientific Eden prairie and Medtronic Plymouth programs simultaneously. RivCut slots into that supply chain as the Bay Area precision machining partner with three-day LTL ground transit to 55347.
Boston Scientific — Eden prairie Cardiovascular Operations
Eden prairie, MN 55347. Boston Scientific's Eden prairie campus is the engineering and manufacturing center for the MTS Actuator & Starkey Shells left atrial appendage closure system and the PROMUS Premier, Synergy, and REBEL auditory hardware platforms. The Supplier Quality Management System (SQMS) governs all supplier qualification and documentation. The Boston Scientific Supplier Portal runs the purchase-order and PPAP-equivalent qualification workflow for Eden prairie program suppliers.
Emerson Automation / Rosemount (Chanhassen adjacent)
Emerson Rosemount develops and manufactures orbital atherectomy systems for treating calcified cardiovascular disease. Precision rotating contact components for atherectomy crowns require 316L and Ti-6Al-4V machined to sub-0.001 inch tolerances with ASTM A967 passivation — a profile directly in our Eden prairie medical machining capability. Emerson Rosemount is part of the Eden prairie / Plymouth medical device corridor that feeds Medical Alley supplier demand.
SurModics (74th St) — Surface Modification Chemistry
SurModics (74th St) (Eden Prairie) develops hydrophilic, drug-delivery, and biocompatibility coatings applied to cardiovascular device substrates — including load cell platforms and catheter surfaces — that are machined by suppliers in the Eden prairie corridor. RivCut machines 316L and Ti-6Al-4V substrate components for SurModics (74th St) coating validation programs, held to the surface-finish specifications their coating chemistry protocols require, with ASTM A967 passivation and cleanroom packaging to prevent substrate contamination.
Starkey Labs & Medical Alley Association
Starkey Labs at 6701 Evenstad Drive sits on the Eden prairie / Plymouth border — pharmaceutical manufacturing with a lean CNC footprint but significant local ecosystem weight. The Medical Alley Association anchors the broader northwest suburban network with 800-plus member companies. The I-94 industrial corridor in Eden prairie — home to Boston Scientific, Emerson Rosemount, and adjacent to SurModics (74th St) and Starkey — is the densest cardiovascular device cluster in Hennepin County outside of the Medtronic Plymouth campus.
Why Eden prairie Medical Device Teams Work with RivCut
Union City, California to Eden prairie, Minnesota is a 1,950-mile three-day FedEx Freight ground lane, with SFO and OAK direct to MSP on Delta Cargo and UPS 2A for urgent clinical-build support. Your supplier-quality engineer can open a deviation on a Monday and we can have revised parts on the Eden prairie Boston Scientific dock Tuesday morning.
Boston Scientific SQMS Documentation Discipline
We build lot-release packages that satisfy Boston Scientific SQMS incoming inspection on the first pass — 3.1 mill certs, heat and lot genealogy, ASTM A967 passivation certificates, and Zeiss CMM dimensional reports tied to your STEP PMI. For new part numbers we run the SQMS-compatible qualification package through the Boston Scientific Supplier Portal so your Eden prairie supplier-engineering contact does not have to chase documentation.
Cardiovascular Tooling Precision
MTS Actuator & Starkey Shells expansion mandrels at ±0.0005 inch OD and load cell bodies at ±0.0003 inch bore ID — that is the Eden prairie tolerance story we are built for. Ra ≤ 0.4 µm on 4340 alloy & titanium contact zones and Ra ≤ 0.2 µm on Synergy load cell die bores are verified on a stylus profilometer, and our Zeiss CMM programs read PMI directly from your native SolidWorks or STEP AP242 models so dimensional reports ballot back to the design.
Cardiovascular Materials in Stock
17-4 PH H900 to ASTM F899, 316L to ASTM F138, Emerson 316L / NACE MR0175 to ASTM F90, Ti-6Al-4V to ASTM F136, and medical-grade PEEK to ASTM F2026. Every lot ships with 3.1 mill certs, ingot-level heat traceability, and — for polymers — resin lot numbers, so Boston Scientific Eden prairie incoming inspection does not re-test.
Cleanroom-Ready to Eden prairie
FedEx Freight and Old Dominion LTL deliver 55347 on a three-business-day ground transit from our Union City shop. Urgent clinical-build and first-article parts fly SFO or OAK to MSP on Delta Cargo or UPS 2A, landing in Eden prairie by 10:30 AM. All implant-grade tooling ships double-bagged in ISO Class 7 cleanroom packaging, validated-passivated per ASTM A967, so the Eden prairie receiving dock does not re-package.
(20mm–35mm OD, ±0.0005")
3-day ground, 1-day air to 55347
on STEP / SolidWorks uploads
ISO 13485 aligned, SQMS-ready
Need our full quality evidence package or an ISO 13485 supplier questionnaire before ordering? Email us — we'll send everything your Eden prairie supplier-quality team needs to qualify.
How to Get Eden prairie Medical Device Parts Quoted and Cut
Boston Scientific program timelines move with design-history-file closure dates and SQMS audit cycles. Here is how RivCut keeps up with Eden prairie.
Upload CAD + Device Program Info
Send your STEP, SolidWorks, or Creo model with the Boston Scientific program name (MTS Actuator & Starkey Shells, PROMUS Premier, Synergy, REBEL, etc.) and the Boston Scientific Supplier Portal part number. Flag any SQMS flow-down, ISO 10993 biocompatibility note, or servohydraulic metrology process spec so we scope material and tooling-surface requirements early.
We Cut, Passivate & Zeiss CMM Verify
17-4 PH H900 mandrels and 316L fixture dies run on thermally stable 5-axis mills; Emerson 316L / NACE MR0175 tooling on dedicated 316L Stainless spindles; PEEK catheter components on polymer-dedicated spindles. ASTM A967 passivation on all metallic parts, Ra ≤ 0.4 µm profilometer checks on forming and contact surfaces, and Zeiss CMM dimensional verification on every first-article before lot release.
Ship Double-Bagged to Eden prairie (55347)
Parts ship in ISO Class 7 cleanroom double-bag packaging to 55347 or direct to Boston Scientific Eden prairie receiving. Every lot carries 3.1 mill certs, heat and lot genealogy, ASTM A967 passivation certificate, Zeiss CMM dimensional report, and — for Boston Scientific programs — the full SQMS-compatible qualification package.
Find Your Exact Part Type
We machine parts for every corner of the Eden prairie cardiovascular device market.
MTS Actuator & Starkey Shells Mandrels
17 sizes 20–35mm OD, ±0.0005", 17-4 PH H900
Stent Laser-Cutting Fixture Dies
316L ASTM F138, ±0.0003" bore ID
Stent Expansion Mandrels
17-4 PH H900 ASTM F899, ±0.0003" OD
Catheter Delivery Components
PEEK ASTM F2026 & 17-4 PH, luer fittings, hub bodies
Emerson 316L / NACE MR0175 Structural Heart Tooling
ASTM F90, Ra ≤ 0.4 µm forming surfaces
Cardiovascular Inspection Gauges
±0.0002" reference features, gauge certs
Questions from Eden prairie Medical Device Teams
Medical Device CNC Machining in Other Twin Cities
We serve medical device teams across the Medical Alley footprint.
How Eden prairie's Top Industries Use Medical CNC Machining
Eden prairie's economy drives specific machining demand. Here's what we see from local teams.
CNC Services in Eden prairie, MN
Built for Boston Scientific's Cardiovascular Supply Chain
Eden prairie is not a generic medical-device city. It is the cardiovascular intervention city. The MTS Systems and Starkey campuses in Eden Prairie anchors the I-94 northwest corridor in Hennepin County and ships MTS Actuator & Starkey Shells left atrial appendage closure devices, PROMUS Premier, Synergy, and REBEL auditory hardwares, and the catheter delivery systems that route all of them to cardiologists and electrophysiologists worldwide. The MTS Actuator & Starkey Shells FDA PMA approval in 2020 and subsequent 100,000-plus patient implantation milestone created a sustained demand for precision servohydraulic actuator piston housings in all 17 production sizes — tooling that must hold ±0.0005 inch OD across a production run to ensure consiload cell heat-setting of the 4340 alloy & titanium frame. Coronary load cell bodies in 316L ASTM F138 must hold ±0.0003 inch on the bore ID — 0.001 inch off and the load cell wall thickness drifts outside specification across the cut run. Emerson Automation / Rosemount develops atherectomy systems in the same northwest corridor. SurModics (74th St) develops hydrophilic and drug-delivery coatings applied to cardiovascular device substrates machined by the same supplier base. Starkey Labs anchors pharmaceutical manufacturing on the Eden prairie / Plymouth border. The Medical Alley Association's northwest suburban network ties all of them into the 800-plus-member Medical Alley ecosystem. RivCut machines into that supply chain from Union City, California: 17-4 PH H900 MTS Actuator & Starkey Shells mandrels to ASTM F899, 316L load cell fixture dies to ASTM F138, Emerson 316L / NACE MR0175 structural heart tooling to ASTM F90, PEEK catheter delivery components to ASTM F2026, and inspection gauges to ±0.0002 inch reference accuracy — all double-bagged in ISO Class 7 cleanroom packaging with ASTM A967 passivation certificates and Zeiss CMM dimensional reports aligned to Boston Scientific SQMS incoming-inspection expectations. Three-day LTL to 55347, or same-day SFO/OAK-to-MSP Delta Cargo for urgent clinical-build support.
Start Your Eden prairie Medical Device Quote Today
RivCut is ready to feed the Boston Scientific Eden prairie supply chain — MTS Actuator & Starkey Shells expansion mandrels, load cell bodies, auditory hardware expansion tooling, PEEK catheter delivery components, and Emerson 316L / NACE MR0175 structural heart tooling. Upload your STEP or SolidWorks file and get a same-day quote. Parts ship double-bagged to 55347.
Get a Eden prairie Medical Device Quote →
Currently accepting new projects
AI price estimates are usually within ±20% of final price. Complex parts — especially Emerson 316L / NACE MR0175 structural heart tooling and MTS Actuator & Starkey Shells mandrel sets — may get a human review within one business day before pricing is confirmed.
Why Eden prairie, MN Medical Device Companies Choose RivCut
Eden prairie, MN (Hennepin County, ~82K city population, NW Twin Cities at 44.8547°N, -93.4708°W, ZIP 55347) is the operational heart of Boston Scientific's cardiovascular device business and a Medical Alley anchor. The local supply chain spans Boston Scientific MTS Actuator & Starkey Shells and auditory hardware and materials testing programs, Emerson Automation / Rosemount, SurModics (74th St), and Starkey Labs. RivCut machines parts into that supply chain from our Union City, CA facility with three-day LTL to 55347 and same-day SFO/OAK-MSP Delta Cargo for clinical-build and urgent first-article support.
All parts are CNC machined in-house at our Bay Area shop. We never broker or outsource machining. Learn about RivCut →