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Mechanc RF & Microwave Components

Medical Electronics

RF Interfaces for Patient Monitoring & Sensor Devices

Patient monitoring has moved off the trolley and onto the patient. Wearable sensors, wireless telemetry and bedside monitors all carry RF, all have to be small enough to be tolerable, and all have to keep working through a cleaning routine that happens between every patient.

MBAN
Wearable
Bedside
Compact
Cleanable
DC–18 GHz
Coverage
500+
Mating Cycles
Compact
Form Factor
Design Notes

Small, Safe and Repeatedly Cleaned

Five constraints specific to monitoring hardware.

01
Size and Comfort
A wearable that is uncomfortable is a wearable that gets removed. Connector envelope is a compliance issue as much as a mechanical one.
02
Patient Safety Isolation
Anything connected to a patient sits inside a safety-isolation boundary. The interconnect is part of that boundary and is assessed as such.
03
Cleaning Cycles
Disinfection happens between patients, many times a day. Housing materials and platings see far more chemical exposure than service life alone suggests.
04
Cable Strain
Monitoring cables are pulled, trapped in bed rails and stepped on. Strain relief is the most common failure point and the easiest to specify properly.
05
Coexistence
Wards are dense RF environments. Shielding and interface quality determine whether one device interferes with the one in the next bed.
Reference Data

Typical Monitoring Requirements

Device and regulatory requirements govern. These are representative.

ParameterTypical RequirementRelevant SeriesNote
Form factorCompact / miniatureSMP, SSMP, SMAPatient comfort constrains size
FrequencyDC to 18 GHzSMA seriesMBAN and BLE bands
Mating cycles500+Clinical-duty seriesMultiple times per day
CleaningWipe-down compatibleSelected platingsBetween every patient
Strain reliefSpecified per cableAll assembliesMost common failure point
Shielding≥ 90 dBDouble-braid assembliesWard coexistence
Our Role

What We Supply for Monitoring Devices

01
Compact Clinical Interfaces
Miniature formats that fit a wearable envelope while holding cycle life through daily handling.
02
Assemblies with Real Strain Relief
Built to the actual cable route with strain relief specified for how monitoring leads are genuinely treated.
03
Documentation for Submission
Material declarations and traceability formatted for design history files and regulatory submission.
Medical Device Support

Designing a Monitoring Device?

Send us the envelope, the band and the cleaning regime, and our engineers will propose the interconnect.