# US 10,500,011 B2 · Illumination device for illuminating a body cavity in a surgical space > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,500,011 B2 - Document ID: US10500011B2 - Status: Granted - Kind: B2 - Application number: 15/573,919 - Filed: 2016-05-17 - Published: 2018-12-13 - Granted: 2019-12-10 - Earliest claimed: 2015-05-19 - Assignees: Singapore Health Services Pte Ltd - Applicants: Singapore Health Services Pte Ltd - Inventors: Ngian Chye Tan; Wah Siew Tan; Min Hoe Chew; Hiang Khoon Tan; Pankaj Pandurang Sunkeri; Siang-Long Richard Lieu; Wei Ling Fiona Loke; Iyer Narayanan Gopalakrishnan - Web page: https://patentgrep.com/patent/US10500011B2 ## CPC - A61B 90/30: Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure - A61B 17/00234: {for minimally invasive surgery (A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence)} - A61B 90/36: {Image-producing devices or illumination devices not otherwise provided for} - A61B 2017/00283: {with a device releasably connected to an inner wall of the abdomen during surgery, e.g. an illumination source} - A61B 2017/00907: {for light} - A61B 2017/00929: {isolating electrical current} - A61B 2090/0813: {Accessories designed for easy sterilising, i.e. re-usable} - A61B 2090/309: {using white LEDs} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract The present disclosure relates to an illumination device for illuminating a body cavity in a surgical space during a surgical procedure. The illumination device comprises: a flexible elongated member comprising a proximal end portion and a distal end portion; an illumination module disposed at the distal end portion of the flexible elongated member, the illumination module comprising a set of lighting elements for emitting light; and a control module disposed at the proximal end portion of the flexible elongated member, the control module comprising a set of user input elements for controlling the set of lighting elements of the illumination module, wherein the illumination module is moveable with the flexible elongated member to an illumination position in the surgical space, such that light from the set of lighting elements is emitted into the body cavity for illumination thereof; and wherein the flexible elongated member is configurable for maintaining the illumination module at said illumination position in the surgical space when the control module is disposed on a fixed structure. ## Claims ### Claim 1 An illumination device for illuminating a body cavity in a surgical space during a surgical procedure, the illumination device comprising: a flexible elongated member comprising a proximal end portion and a distal end portion; an illumination module disposed at the distal end portion of the flexible elongated member, the illumination module comprising a set of lighting elements for emitting light; and a control module disposed at the proximal end portion of the flexible elongated member, the control module comprising a set of user input elements for controlling the set of lighting elements of the illumination module, wherein the illumination module is moveable with the flexible elongated member to an illumination position in the surgical space, such that light from the set of lighting elements is emitted into the body cavity for illumination thereof; and wherein (a) the flexible elongated member is made of a material adapted to allow the flexible elongated member and the illumination module disposed therein to withstand bending angles up to 340° without kinking or breaking and to maintain the illumination module at said illumination position in the surgical space when the control module is disposed on a fixed structure, and the flexible elongated member is adjustable such that each lighting element is directed toward a different direction for improved visualisation; (b) each lighting element emits light at a colour temperature ranging from 4000 K to 6000K, and (c) the illumination device is not attached to a surgical instrument. ### Claim 2 (depends on 1) The illumination device of claim 1, wherein the set of lighting elements is configurable for emitting light along multiple directions from the distal end portion of the flexible elongated member. ### Claim 3 (depends on 2) The illumination device of claim 2, wherein the set of lighting elements is configurable for collectively emitting light across an illumination angle of at least 180°. ### Claim 4 (depends on 1) The illumination device of claim 1, wherein the set of lighting elements comprises at least two lighting elements positioned lengthwise along the distal end portion of the flexible elongated member. ### Claim 5 (depends on 4) The illumination device of claim 4, wherein the distal end portion of the flexible elongated member is bendable for configuring the least two lighting elements to collectively emit light across an illumination angle of at least 180°. ### Claim 6 (depends on 1) The illumination device of claim 1, wherein the set of lighting elements comprises at least two lighting elements positioned at an end of the distal end portion of the flexible elongated member. ### Claim 7 (depends on 6) The illumination device of claim 6, wherein each lighting element from the at least two lighting elements is directed toward different directions, enabling light from the at least two lighting elements to be collectively emitted across an illumination angle of at least 180°. ### Claim 8 (depends on 1) The illumination device of claim 1, wherein said illumination position of the illumination module resides within the body cavity for internally illuminating the body cavity. ### Claim 9 (depends on 8) The illumination device of claim 8, wherein the flexible elongated member is bendable to conform to a peripheral profile of the body cavity for maintaining the illumination module at said illumination position within the body cavity. ### Claim 10 (depends on 1) The illumination device of claim 1, wherein the illumination module is sterilizable prior to use. ### Claim 11 (depends on 1) The illumination device of claim 1, wherein the illumination module comprises a casing for thermally and electrically insulating the set of lighting elements. ### Claim 12 (depends on 11) The illumination device of claim 11, wherein the casing comprises an optically transmissive portion. ### Claim 13 (depends on 12) The illumination device of claim 12, wherein the optically transmissive portion is removably attached to the distal end portion of the flexible elongated member. ### Claim 14 (depends on 12) The illumination device of claim 12, wherein the optically transmissive portion comprises a set of lenses for modifying transmission of light from the set of lighting elements to a user's eyes. ### Claim 15 (depends on 11) The illumination device of claim 11, wherein the casing comprises an optically occlusive portion for shielding a user's eyes from light emitted from the set of lighting elements. ### Claim 16 (depends on 1) The illumination device of claim 1, wherein the illumination module comprises a heat sink thermally connected to the set of light elements for removing heat therefrom. ### Claim 17 (depends on 16) The illumination device of claim 16, wherein the flexible elongated member comprises a heat transfer cable therein for conducting heat away from the heat sink. ### Claim 18 (depends on 1) The illumination device of claim 1, further comprising: a proximal connector between the control module and the flexible elongated member; and a distal connector between the illumination module and the flexible elongated member. ### Claim 19 (depends on 18) The illumination device of claim 18, wherein at least one of the control and illumination modules is removably attached to the flexible elongated member via the proximal and distal connectors, respectively. ### Claim 20 (depends on 1) The illumination device of claim 1, wherein the set of user input elements is configurable for adjusting illuminance of the set of lighting elements.