An endoscope accompanied by depth determination

Title:

An endoscope accompanied by depth determination

Document Type and Number:

Japanese Patent JP6275274

Kind Code:

B2

Abstract:

An endoscope for determining the depth of a partial area of a cavity by a triangulation analysis may include a projection channel for projecting a pattern onto a surface of the cavity and an imaging channel provided for imaging an image of the projected pattern reflected by the surface of the cavity. The projection channel may have at least one diffractive optical element for producing the pattern, a collimator, and a focusing lens. The focusing lens may be arranged between the collimator and the diffractive optical element.

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Inventors:

Anton Chic
Peter lenticular

Application Number:

JP2016555996A

Publication Date:

February 07, 2018

Filing Date:

February 26, 2015

Export Citation:

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Assignee:

Siemens Aktiengesellschaft

International Classes:

A61B1/00; G02B23/24

Domestic Patent References:

JP2287311A
JP7281105A
JP3295532A

Foreign References:

US20060055942
US5150254

Attorney, Agent or Firm:

Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima

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