Optical imaging device and cap
Inventors
STRATIS, Savvas • Henderson, James Patrick • RILEY, Jason David Richard
Assignees
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Publication Number
US-10898081-B2
Publication Date
2021-01-26
Expiration Date
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.
Core Innovation
An optical imaging device cap is provided for use with a near infrared (NIR) light optical imaging device for imaging an object. The optical imaging device includes a body having three first optical transceivers and at least one second optical transceiver located within the body, and a mounting surface configured to receive the transceivers through openings arranged in a predetermined configuration. The cap includes a bellow support plate and a deformable bellow sealingly engaged to the bellow support plate.
The bellow support plate includes a first support plate face shaped to engage the mounting face when the device cap is mounted within a mounting surface inner volume, and a second support plate face configured to face a surface of the object to be imaged. The bellow support plate further includes three fixed housings adapted to receive fixed light pipes corresponding to the first optical transceivers, and at least one deformable housing adapted to receive a movable light pipe corresponding to the at least one second optical transceiver. Each fixed and deformable housing has a tip adapted to contact the surface of the object to be imaged.
The deformable bellow has a C shaped cross-sectional profile extending between a first perimeter rim and a second perimeter rim, where the first perimeter rim sealingly engages the bellow support plate. In use, the second perimeter rim contacts the surface of the object to be imaged and the bellow is deformed to allow the tips of the fixed and deformable housings to contact the surface. The removable optical imaging device cap and the mechanical arrangement are described for use in detecting intracranial hematoma using a handheld near-infrared optical imaging system.
Claims Coverage
The partial content identifies one independent claim. The independent claim covers an optical imaging device cap with a bellows-sealed interface and a fixed/deformable optical transceiver housing arrangement for coupling NIR light to an object surface.
Bellows-sealed cap mounting with planar mounting face and openings
An optical imaging device cap for use with a NIR light optical imaging device, where the device has a mounting surface with a generally planar mounting face and an outer wall defining a mounting surface inner volume, and the mounting face has a plurality of openings arranged in a predetermined configuration and adapted to receive first and second optical transceivers.
Bellows support plate with fixed and deformable light-pipe housings
The cap comprises a bellow support plate and a deformable bellow sealingly engaged to the bellow support plate, with the bellow support plate including a first support plate face shaped to engage the mounting face, a second support plate face configured to face the object surface, three fixed housings adapted to receive fixed light pipes corresponding to the first optical transceivers, and at least one deformable housing adapted to receive a movable light pipe corresponding to the at least one second optical transceiver, wherein each fixed and deformable housing has a tip adapted to contact the object surface.
C-shaped deformable bellow with first rim sealing and second rim contact to enable tip contact
The deformable bellow has a C shaped cross-sectional profile extending between a first perimeter rim and a second perimeter rim, the first perimeter rim sealingly engages the bellow support plate, and in use the second perimeter rim contacts the object surface and the bellow is deformed to allow the tips of the fixed and deformable housings to contact the object surface.
The core coverage is the cap’s bellows-sealed mechanical interface, including mounting with a planar face and openings, combined with a mixed fixed/deformable optical housing arrangement and a C-profile deformable bellows whose second rim contact and deformation enables tips to contact the object surface for NIR optical imaging.
Stated Advantages
Not explicitly described in patent.
Documented Applications
Detecting intracranial hematoma using a handheld near-infrared (NIR) optical imaging system.
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