Good Interfaces

ErgoLite

The surgical headlamp that knows where the surgeon is looking — a two-minute read.

Panel 1 of 9. An operating room. Dr. Cole works at the table, her headlamp casting a bright amber cone onto the surgical field while two colleagues assist. Captions: Dr. Cole is one of the best surgeons in the state. Her headlamp is brilliant. That's the problem.
Panel 2 of 9. Front close-up of Dr. Cole looking down, the lamp at full blaze on her forehead, sweat on her brow. Caption: Brilliant — as long as she looks down. Panel 3 of 9. She looks up and the beam hits a colleague across the table, who winces and raises gloved hands against the glare. Caption: When she looks up— 100,000+ lux.
Panel 4 of 9. Side view of Dr. Cole with head bowed, red stress marks radiating from her neck. Captions: So she doesn't. Not to stretch. Not to check a monitor. Not to speak. For hours. Panel 5 of 9. X-ray of a cervical spine with compressed vertebrae glowing red. Citation: 87% of surgeons report work-related musculoskeletal pain. Only 3% operate pain-free. — Wells et al., Surgical Endoscopy, 2019.
Panel 6 of 9, purple-bordered. Dr. Cole wears the new purple-banded headlamp and looks up at a colleague; the lamp stays quiet and nobody is blinded. Captions: Then she got the headlamp that knows where she's looking. Look up: the beam stands down. Panel 7 of 9, purple-bordered. She looks down and the lamp blazes at full output exactly on the field. Captions: Look down: full blaze, exactly where she needs it. It knows a glance from a turn. Panel 8 of 9. Purple arcs trace her free head movement as she stretches and turns to her team. Captions: Now she stretches. Checks the monitor. Talks to her team. Mid-procedure.
Panel 9 of 9. The operating room bathed in warm purple light, Dr. Cole upright and relaxed among her team. Captions: Dr. Cole is still one of the best surgeons in the state. Now she gets to stay that way. ErgoLite. The headlamp that thinks.

The evidence

The evidence

87%

87% of surgeons report work-related musculoskeletal pain. Only 3% operate pain-free.

— Wells et al., Surgical Endoscopy, 2019 (survey of 556 surgeons)

49%

49% fear their pain will end their ability to operate. Those surgeons report significantly higher burnout (p=0.005).

— Wells et al., Surgical Endoscopy, 2019

~40%

Loupes and headlamps increase cervical spine loading by roughly 40%.

— Nimbarte et al., IISE Transactions on Occupational Ergonomics and Human Factors, 2013

10%

Nearly 10% of cervical injuries in surgeons end careers outright.

— Sivak-Callcott, Mancinelli & Nimbarte, Current Opinion in Ophthalmology, 2015

68%

68% of frequent surgical headgear users report worsening neck symptoms since residency, versus 38% of infrequent users. 34% are diagnosed with degenerative cervical disorder.

— Sahni et al., Journal of Spine, 2015

The technology

The technology

  • U.S. Patent 11,229,096

    “Smart headlamp system.” Issued January 18, 2022. Automatic light modulation based on head orientation, using inertial measurement and Hall-effect angle sensing.

The lamp dims when the surgeon lifts their head and returns to full output on the surgical field. Hysteresis in the threshold logic distinguishes a deliberate turn from an incidental glance — no flicker, no hunting at the boundary.

  • Integrates with standard ICs from multiple vendors.
  • 20–30mm² PCBA footprint.
  • No industrial redesign required.
  • Class I medical device under 21 CFR 886.4335 — exempt from 510(k) premarket notification.

The ask

Fifteen minutes. Bring your optics lead.

Integration economics and the revenue model are shared directly — not on a public page.