# US 11,432,899 B2 · Medical observation device and medical observation system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,432,899 B2 - Document ID: US11432899B2 - Status: Granted - Kind: B2 - Application number: 16/325,455 - Filed: 2017-07-19 - Published: 2019-06-06 - Granted: 2022-09-06 - Earliest claimed: 2016-09-23 - Assignees: Sony Olympus Medical Solutions Inc.; Sony Corporation - Applicants: Sony Olympus Medical Solutions Inc.; Sony Corporation - Inventors: Kenji Hirose; Hisayoshi Otaki; Hiroki Sato; Shingo Mouri; Katsuhisa Hakoda; Daisuke Iseki - Web page: https://patentgrep.com/patent/US11432899B2 ## CPC - A61B 90/25: Supports therefor - A61B 90/37: {Surgical systems with images on a monitor during operation} - A61B 90/50: Supports for surgical instruments, e.g. articulated arms - G02B 7/001: {Counterbalanced structures, e.g. surgical microscopes} - G02B 21/0012: {Surgical microscopes (counterbalanced structures for surgical microscopes G02B7/001)} - G02B 21/24: Base structure - A61B 46/10: specially adapted for instruments{, e.g. microscopes} - A61B 2017/00199: {with a console, e.g. a control panel with a display} - A61B 2017/00221: {with wireless transmission of data, e.g. by infrared radiation or radiowaves} - A61B 2090/371: {with simultaneous use of two cameras} - A61B 2090/373: {using light, e.g. by using optical scanners} - A61B 2090/504: {with a counterweight} - A61B 2090/506: {using a parallelogram linkage, e.g. panthograph} - A61B 2090/508: {with releasable brake mechanisms} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A medical observation device that includes a microscope that images a surgical site, a holding section that holds the microscope, a base section to which the holding section is connected, and an operation section that receives operating input, the operation section being provided at the base section, the holding section being configured as a balance arm provided with a counterweight, when the base section is viewed from an upper side of the medical observation device, the base section having a first area inside a movable range of the counterweight and a second area outside the movable range of the counterweight, the base end of the holding section being connected to the base section at a location in the first area, and the operation section being arranged at another location in the second area. ## Claims ### Claim 1 A medical observation device comprising: a microscope configured to image a surgical site; a holding section that holds the microscope on a tip end side; a base section to which a base end of the holding section is connected; and an operation section configured to receive operating input, the operation section being provided at the base section, wherein the holding section is configured as a balance arm provided with a counterweight, when the base section is viewed from an upper side of the medical observation device, the base section has a first area inside a movable range of the counterweight and a second area outside the movable range of the counterweight on an upper surface of the base section, the base end of the holding section is connected to the base section at a location in the first area on the upper surface of the base section, and the operation section is arranged at another location in the second area on the upper surface of the base section. ### Claim 2 (depends on 1) The medical observation device according to claim 1, wherein a rotational axis section that has a rotational axis in a vertical direction relative to the base section is arranged at the base end of the holding section that is connected to the upper surface of the base section. ### Claim 3 (depends on 2) The medical observation device according to claim 2, wherein the base end of the holding section is connected to a front side beyond an approximate center in a horizontal plane of the base section on the upper surface of the base section. ### Claim 4 (depends on 3) The medical observation device according to claim 3, wherein the operation section is arranged on a rear side beyond the approximate center in the horizontal plane of the base section. ### Claim 5 (depends on 4) The medical observation device according to claim 4, wherein a shape of the upper surface of the base section has a long-side direction and a short-side direction, and the base end of the holding section is provided on one end side in the long-side direction beyond the approximate center in the horizontal plane of the base section while the operation section is provided on the other end side in the long-side direction beyond the approximate center in the horizontal plane of the base section. ### Claim 6 (depends on 3) The medical observation device according to claim 3, wherein at the base section, a caster configured to move on a contact surface is provided on each of a front side beyond a position to which the base end of the holding section is connected in the horizontal plane of the base section and a rear side beyond a position to which the base end of the holding section is connected in the horizontal plane of the base section. ### Claim 7 (depends on 1) The medical observation device according to claim 1, wherein the base section has a portion with a substantially rectangular shape and a portion with a wall shape that is provided to protrude upward from a position corresponding to one side of an upper surface of the portion with the substantially rectangular shape, and the operation section is provided on a wall surface that faces an outside of the portion with the wall shape. ### Claim 8 (depends on 1) The medical observation device according to claim 1, wherein the operation section is configured to receive the operating input that is performed during surgery. ### Claim 9 (depends on 8) The medical observation device according to claim 8, wherein an input device that forms the operation section includes a touch panel and a switch. ### Claim 10 (depends on 1) The medical observation device according to claim 1, wherein the operation section is configured to receive an input for moving the medical observation device. ### Claim 11 (depends on 10) The medical observation device according to claim 10, wherein an input device that forms the operation section includes a grip that is gripped when the medical observation device is caused to move and a caster locking lever for locking rotation of a caster of the medical observation device. ### Claim 12 (depends on 1) The medical observation device according to claim 1, wherein the operation section includes an operation device that is attachable to and detachable from the base section. ### Claim 13 (depends on 1) The medical observation device according to claim 1, wherein the operation section includes an operation device, and a movable section that supports the operation device such that a position of the operation device is able to be changed. ### Claim 14 A medical observation system comprising: a medical observation device that includes a microscope configured to image a surgical site, a holding section that holds the microscope on a tip end side, a base section to which a base end of the holding section is connected, and an operation section configured to perform operating input, the operation section being provided at the base section; and a display device that displays an image captured by the medical observation device, wherein the holding section is configured as a balance arm provided with a counterweight, when the base section is viewed from an upper side of the medical observation device, the base section has a first area inside a movable range of the counterweight and a second area outside the movable range of the counterweight on an upper surface of the base section, the base end of the holding section is connected to the base section at a location in the first area on the upper surface of the base section, and the operation section is arranged at another location in the second area on the upper surface of the base section.