# US 2023/0053539 A1 · Nurse call system, method for nurse call and program > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0053539 A1 - Document ID: US20230053539A1 - Status: Published application - Kind: A1 - Application number: 17/795,673 - Filed: 2021-01-20 - Published: 2023-02-23 - Earliest claimed: 2020-02-10 - Assignees: NEC Platforms, Ltd. - Applicants: NEC Platforms, Ltd. - Inventors: Hatsue NIIYA - Web page: https://patentgrep.com/patent/US20230053539A1 ## CPC - G16H 40/20: for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms - H04M 9/02: involving a common line for all parties - A61G 12/00: Accommodation for nursing, e.g. in hospitals, not covered by groups A61G1/00 - A61G11/00, e.g. trolleys for transport of medicaments or food {(service or tea-tables, trolleys or wagons A47B31/00)}; Prescription lists - H04L 51/04: Real-time or near real-time messaging, e.g. instant messaging [IM] - G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - A61G: TRANSPORT, PERSONAL CONVEYANCES OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS (appliances for aiding patients or disabled persons to walk A61H3/00); OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES (embalming corpses A01N1/00) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A nurse call system of the present disclosure includes: a nurse call slave unit; a nurse call master unit; a mobile terminal; an access point for relaying communications between the mobile terminal and the nurse call master unit; a private branch exchange configured to control communications between the nurse call slave unit and the mobile terminal; and a chat server configured to generate a chat room to be delivered to the mobile terminal in response to a call originated from the nurse call slave unit, in which the chat server generates a chat room with in-charge healthcare workers in charge of a subject patient who originated a call using the nurse call slave unit and a nearby healthcare worker assumed to be at a location closer to the subject patient than the in-charge healthcare workers are as users, and provides the chat room to each mobile terminal. ## Claims ### Claim 1 A nurse call system comprising: a nurse call slave unit provided for patient-use; a nurse call master unit having the nurse call slave unit connected thereto; a mobile terminal carried by a healthcare worker; an access point for relaying communications between the mobile terminal and the nurse call master unit; a private branch exchange having a plurality of the nurse call master units installed in a facility connected thereto and being configured to control communications between the nurse call slave unit and the mobile terminal; and a chat server configured to generate a chat room to be delivered to the mobile terminal in response to a call originated from the nurse call slave unit, wherein the private branch exchange has first information indicating corresponding relationship between the mobile terminal and the healthcare worker, second information indicating corresponding relationship between the patient and an in-charge healthcare worker who is in charge of the patient among the healthcare workers, and third information indicating location information of the nurse call slave unit and the mobile terminal, and the chat server generates, based on the first and the third information, a chat room with the in-charge healthcare worker in charge of a subject patient who originated a call using the nurse call slave unit and a nearby healthcare worker assumed to be at a location closer to the subject patient than the in-charge healthcare worker is as users, and provides the chat room to each mobile terminal held by the in-charge healthcare worker and the nearby healthcare worker. ### Claim 2 (depends on 1) The nurse call system according to claim 1, wherein the private branch exchange updates the third information based on at least one of location information of the access point with which the mobile terminal performs communication and location information acquired by the mobile terminal. ### Claim 3 (depends on 2) The nurse call system according to claim 2, wherein when location relationship between the mobile terminal and the nurse call slave unit is determined based on the location information of the access point, the chat server simply uses the location information of the access point to which the mobile terminal belongs as the location of the mobile terminal. ### Claim 4 (depends on 2) The nurse call system according to claim 2, wherein the mobile terminal acquires the location information based on the Global Positioning System and transmits the location information acquired in response to a request from the private branch exchange to the private branch exchange. ### Claim 5 (depends on 1) The nurse call system according to claim 1, wherein the chat server and the private branch exchange are built-in in one device. ### Claim 6 (depends on 1) The nurse call system according to claim 1, wherein the access point is provided for each facility where the health care workers work, each floor of the facility, or each work area on the same floor of the facility. ### Claim 7 (depends on 1) The nurse call system according to claim 1, wherein the chat server selects a healthcare worker who is at a location closest to the subject patient as the nearby healthcare worker. ### Claim 8 (depends on 2) The nurse call system according to claim 2, wherein the chat server selects a healthcare worker who is at a location closest to the subject patient as the nearby healthcare worker. ### Claim 9 (depends on 3) The nurse call system according to claim 3, wherein the chat server selects a healthcare worker who is at a location closest to the subject patient as the nearby healthcare worker. ### Claim 10 (depends on 4) The nurse call system according to claim 4, wherein the chat server selects a healthcare worker who is at a location closest to the subject patient as the nearby healthcare worker. ### Claim 11 (depends on 5) The nurse call system according to claim 5, wherein the chat server selects a healthcare worker who is at a location closest to the subject patient as the nearby healthcare worker. ### Claim 12 (depends on 6) The nurse call system according to claim 6, wherein the chat server selects a healthcare worker who is at a location closest to the subject patient as the nearby healthcare worker. ### Claim 13 A nurse call method for a nurse call system including a nurse call slave unit provided for patient-use and a mobile terminal carried by a healthcare worker, the method comprising: generating, based on first to third information, a chat room with an in-charge healthcare worker in charge of a subject patient who originated a call using the nurse call slave unit and a nearby healthcare worker assumed to be at a location closer to the subject patient than the in-charge healthcare worker is as users, the first information indicating corresponding relationship between the mobile terminal and the healthcare worker, the second information indicating corresponding relationship between the patient and an in-charge healthcare worker who is in charge of the patient among the healthcare workers, and the third information indicating location information of the nurse call slave unit and the mobile terminal; and providing the chat room to each mobile terminal held by the in-charge healthcare worker and the nearby healthcare worker. ### Claim 14 (depends on 13) The nurse call method according to claim 13, wherein a healthcare worker who is at a location closest to the subject patient is selected as the nearby healthcare worker. ### Claim 15 (depends on 13) A non-transitory computer-readable medium storing a program for causing a computer to execute the nurse call method according to claim 13. ### Claim 16 (depends on 14) A non-transitory computer-readable medium storing a program for causing a computer to execute the nurse call method according to claim 14.