Miniaturized imaging device including GRIN lens optically coupled to SSID
First Claim
Patent Images
1. A miniaturized imaging device, comprising:
- a catheter having proximal end and a distal end, the distal end of said catheter comprises a deformable tip, the deformable tip comprising;
at least one opening about a lateral side of the tip;
a solid state imaging chip disposed at a distal end of the catheter;
a lens system optically coupled to the solid state imaging chip;
a mirror element fixedly disposed within a distal end of the deformable tip and oriented to reflect light entering the deformable tip through the at least one opening directly towards the lens system; and
an adjustable imaging field of view created by movement of the deformable tip and mirror element with respect to the lens system.
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Abstract
A miniaturized imaging device and method of viewing small luminal cavities are described. The imaging device can be used as part of a catheter, and can include a solid state imaging device (SSID) including an imaging array, and a graduated refractive index (GRIN) lens optically coupled to the imaging array of the SSID.
364 Citations
20 Claims
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1. A miniaturized imaging device, comprising:
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a catheter having proximal end and a distal end, the distal end of said catheter comprises a deformable tip, the deformable tip comprising; at least one opening about a lateral side of the tip; a solid state imaging chip disposed at a distal end of the catheter; a lens system optically coupled to the solid state imaging chip; a mirror element fixedly disposed within a distal end of the deformable tip and oriented to reflect light entering the deformable tip through the at least one opening directly towards the lens system; and an adjustable imaging field of view created by movement of the deformable tip and mirror element with respect to the lens system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A miniaturized imaging device, comprising:
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a catheter having a proximal end and a distal end; a solid state imaging chip disposed near a distal end of the catheter; a lens system optically coupled to the solid state imaging chip; a deformable tip having an opening about a lateral side of the tip and a mirror element fixedly disposed within a distal end of the deformable tip and oriented to reflect light entering the deformable tip through the at least one lateral opening directly towards the lens system to create an imaging field of view which is; a. at least partially rearward of the lens system when the deformable tip is disposed in a first position with respect to the lens system; b. at least partially lateral of the lens system when the deformable tip is disposed in a second position with respect to the lens system; and c. at least partially forward and partially rearward of the lens system when the deformable tip is disposed in a third position with respect to the lens system. - View Dependent Claims (11, 12)
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13. A method of imaging a target within a body, comprising:
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advancing a catheter into a portion of the body, said catheter comprising a deformable tip, and at least one opening about a lateral side of the tip, a solid state imaging chip disposed at a distal end of the catheter, a lens system optically coupled to the solid state imaging chip, and a mirror element fixedly disposed within a distal end of the deformable tip; disposing the deformable tip in an unbiased position such that a field of view of the imaging chip is at least partially rearward of the lens system; propagating a wavelength of light onto the target; receiving a wavelength of light reflected from the target to the mirror element; and receiving a wavelength of light reflected directly from the target mirror element to the lens system. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification