# US 11,896,343 B2 · Optical imaging device and cap

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- Number: US 11,896,343 B2
- Document ID: US11896343B2
- Status: Granted
- Kind: B2
- Application number: 17/872,553
- Filed: 2022-07-25
- Published: 2023-01-12
- Granted: 2024-02-13
- Earliest claimed: 2022-07-25
- Assignees: ArcheOptix Biomedical Inc.
- Applicants: Archeoptix Biomedical Inc.
- Inventors: Savvas Stratis; Jason David Richard Riley
- Web page: https://patentgrep.com/patent/US11896343B2

## CPC

- A61B 5/0075: {by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy (A61B5/0071 takes precedence)}
- A61B 5/0042: {for the brain}
- A61B 5/02007: {Evaluating blood vessel condition, e.g. elasticity, compliance}
- A61B 5/4064: {Evaluating the brain (for intracranial pressure A61B5/031; for cerebral blood gases A61B5/14553; using EEG A61B5/369)}
- A61B 5/4869: {Determining body composition}
- A61B 5/6868: {Brain}
- A61B 2503/08: Elderly
- A61B 2560/0406: specially shaped apparatus housings
- A61B 2560/0443: Modular apparatus
- A61B 2562/16: Details of sensor housings or probes; Details of structural supports for sensors (A61B2560/0462 takes precedence)
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

The present invention provides a removable optical imaging device cap for use with a near infrared (NIR) light optical imaging device for detecting intracranial hematoma.

## Claims

### Claim 1

A near infrared (NIR) light optical imaging device for imaging an object, the imaging device comprising:
a body,
at least three optical transceivers located within the body, and
a device cap, the device cap comprising:
a bellow support plate comprising a support plate face configured to face a surface of the object to be imaged;
a deformable bellow sealingly engaged to the bellow support plate, and
at least three deformable housings, each of the deformable housings being adapted to receive a light pipe and having a tip adapted to contact the surface of the object to be imaged, each of the light pipes corresponding to one of the at least three optical transceivers,
wherein the deformable bellow has a cross-sectional profile defining a first perimeter rim and a second perimeter rim, wherein the first perimeter rim sealingly engages the bellow support plate.

### Claim 2 (depends on 1)

The device according to claim 1, wherein the cross-sectional profile is a C-shaped cross-sectional profile.

### Claim 3 (depends on 1)

The device according to claim 1, wherein the at least three optical transceivers is three primary optical transceivers arranged in a triangular configuration, and the at least three deformable housing is three primary deformable housings arranged in a corresponding triangular configuration.

### Claim 4 (depends on 3)

The device according to claim 3, wherein the triangular configuration is an equilateral triangle.

### Claim 5 (depends on 4)

The device according to claim 4, wherein the three primary optical transceivers comprise one NIR light source and two NIR light detectors.

### Claim 6 (depends on 1)

The device according to claim 1, wherein the at least three optical transceivers is three primary optical transceivers arranged in an equilateral triangular configuration and two secondary optical transceivers located at the edges of equilateral triangle formed by the primary optical transceivers, and the at least three deformable housing is three primary deformable housings arranged in a corresponding equilateral triangular configuration and two secondary deformable housings located at the edges of equilateral triangle formed by the primary deformable housings.

### Claim 7 (depends on 6)

The device according to claim 6, wherein the three primary optical transceivers are one NIR light source and two NIR light detectors and the two secondary optical transceivers are NIR light detectors.

### Claim 8 (depends on 1)

The device according to claim 1, further comprising air inflow system for allowing passage of air from the exterior of the device into the interior of the deformable bellow when in use.

### Claim 9 (depends on 8)

The device according to claim 8, wherein the air inflow system comprises one or more air flow holes between first and second support plate faces.

### Claim 10 (depends on 9)

The device according to claim 9, wherein the air inflow system further comprises one or more grooves in the first perimeter rim of the deformable bellow.

### Claim 11 (depends on 10)

The device according to claim 10, wherein the air inflow system further comprises one or more openings on the bellow support plate corresponding to the one or more grooves in the first perimeter rim of the deformable bellow.

### Claim 12 (depends on 1)

The device according to claim 1, wherein the deformable bellow further comprises nonlinear, radially disposed grooves at the second perimeter rim.

### Claim 13 (depends on 12)

The device according to claim 12, wherein the radially disposed grooves are s-shaped.

### Claim 14 (depends on 1)

The device according to claim 1, wherein the bellow support plate is formed from a polymeric material.

### Claim 15 (depends on 14)

The device according to claim 14, wherein the polymeric material is ABS plastic, optionally doped with a near-infrared absorbant.

### Claim 16 (depends on 1)

The device according to claim 1, wherein the deformable bellow is formed from silicone polymer.