Ventricular Pump Housing
Core Components of Artificial Heart / Ventricular Pump | Medical-Grade Precision Machining

We specialize in the R&D and manufacturing of core medical components such as Ventricular Pump Housings, blood pump impellers and magnetic levitation rotors. All key components are integrated with hydrodynamic bearing technology, and by leveraging the Swiss GF Mikron 5-axis machining process and a precision titanium alloy manufacturing system, we achieve stringent triple control over component dimensional accuracy, surface finish and structural stability. We provide safe, reliable and high-precision core structural support for high-end medical devices such as ventricular pumps.

Product Brief

We specialize in the high-precision manufacturing of core components for ventricular assist devices (VAD) / ventricular pumps of artificial hearts, including key assemblies such as housings, impellers, rotors and bearings.

Adopting Swiss GF Mikron high-speed 5-axis machining centers and a medical-grade clean manufacturing system, our production process stably enables the machining of complex curved surfaces, high-precision sealing surfaces and micro-channel structures.

Leveraging our extensive expertise in processing materials such as titanium alloys, medical-grade stainless steel, cobalt-chromium alloys, PEEK and ceramics, we provide high-reliability manufacturing solutions compliant with ISO 13485 / FDA standards for medical device manufacturers worldwide, ensuring each component operates safely, stably and durably in life support equipment.

Core Advantages

1. GF Mikron High-Speed 5-Axis Machining Capability

Spindle speed up to 42,000 RPM, ideal for precision machining of microstructures and complex curved surfaces

Achievable accuracy of ±0.002 mm and surface finish of Ra ≤ 0.1 μm

Suitable for integrated forming of ventricular pump impellers, housing cavities and fluid guide grooves

2. Expertise in Biocompatible Material Machining

Full coverage of titanium alloys, 316L VM stainless steel, cobalt-chromium alloys, PEEK and ceramics

Medical-grade coolant and ultrasonic cleaning applied throughout the entire process to avoid particulate and chemical residues

Stress-free and burr-free surface with Ra ≤ 0.2 μm to prevent thrombus formation

3. Precision Realization of Hydrodynamic Structures

5-axis simultaneous machining for CFD-optimized curved surfaces (impellers, flow channels, vortex grooves)

Flatness of sealing surfaces ≤ 0.005 mm, coaxiality ≤ 0.01 mm

Precision dynamic balance grade G1.0 – G0.4 to ensure stable high-speed operation

4. Medical-Grade Quality Control and Traceability System

Full-process traceability (materials, machining, cleaning, inspection)

Compliant with ISO 13485, ISO 14971 and FDA 21 CFR 820 standards

Provision of cleanliness and biocompatibility verification reports

5. Support from Prototype Development to Mass Production

Assistance with Design Transfer and DFM optimization

Provision of prototype verification, small-batch trial production and large-scale mass production

Professional packaging, sterilization compatibility and medical-grade delivery management

Technical Parameters (Typical Values)

Item	Parameter
Machining Size Range	Ø5 – Ø100 mm
Accuracy Grade	IT5 – IT7 (mating parts)
Surface Roughness	Ra ≤ 0.1 μm (blood contact surface)
Coaxiality / Flatness	≤ 0.01 mm / ≤ 0.005 mm
Dynamic Balance Grade	G1.0 (standard) / G0.4 (high-speed)
Material	Titanium Alloy, 316L, CoCr, PEEK, Ceramic

Application Fields

Artificial heart (VAD) and ventricular assist pump systems
Blood pump and centrifugal pump assemblies
Medical implant-grade titanium alloy housings and sealing structures
Biohydrodynamic components (impellers, rotors, bearings)

Manufacturing Advantages: GF Mikron High-Speed 5-Axis Machining

Swiss GF Mikron high-speed 5-axis machining centers (Accuracy: ±0.002 mm)
High-speed tool path control, suitable for processing titanium alloy, PEEK, ceramics and other materials
No heat-affected zone, burr-free, stress-residue-free
One-step machining of complex 3D flow channels and impeller curved surfaces
Support for mirror polishing, electropolishing, dust-free cleaning and sterile packaging

Customization Capabilities

Made from customer drawings, 3D files, or sample parts.
Pump chamber, inlet and outlet ports, bearing seats, sealing faces, and mounting areas can be made to the drawing.
The housing is checked to fit the impeller, rotor, bearings, cable housing, and sealing parts.
Key sealing faces, bearing seats, and mounting datums are machined as specified.
Material, heat treatment, surface finish, and order quantity are reviewed before machining.

Quality Control

Production is carried out in accordance with quality management system requirements such as ISO 9001, AS9100, and IATF 16949, with key inspection items covering cavity dimensions, sealing surface accuracy, bore accuracy, coaxiality, surface roughness, cleanliness, and visual defects.

Frequently Asked Questions

What information is required to quote a custom Blood Pump Housing?

Please provide drawings, 3D models, material requirements, surface treatment requirements, quantity, accuracy requirements, and application scenario. If physical samples are available, they can also be supplied for structure and process evaluation.

Can samples be made first for validation?

Yes. We support sample development and small-batch trial production. Customers can complete dimensional confirmation, assembly testing, and fit validation before moving into subsequent batch production.

What is the typical sample development lead time?

The sample development lead time is typically 7-45 working days. The exact schedule will be confirmed based on the structural complexity of the blood pump housing, material, machining process, heat treatment, and surface treatment requirements.

What is the Minimum Order Quantity (MOQ)?

The standard MOQ is 10 pcs. It can also be discussed flexibly based on sample testing, small-batch trial production, or the planned follow-up batch order.

Do you support the process from small-batch trial production to batch production?

Yes. We can support sample development, small-batch validation, and batch production according to the customer project schedule, while maintaining consistent machining standards and dimensional consistency for repeat orders.

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