A communication system for medical telemetry

Abstract

The embodiment of the present specification provides a communication system for medical telemetry. The communication system comprises a plurality of telemetry terminals, at least one wireless access point and a synchronization and control device. Wherein, the plurality of telemetry terminals are used to acquire physiological data of a patient; the wireless access point comprises at least one one-way communication access point and at most one two-way communication access point, and the synchronization and control device is used to control the at least one wireless access point and the plurality of telemetry terminals; the plurality of telemetry terminals transmit the physiological data of the patient uplink through the one-way communication access point of the at least one wireless access point, and receive downlink data transmitted by the synchronization and control device and / or the wireless access point through the two-way communication access point; the at least one one-way communication access point comprises a first one-way communication access point and a second one-way communication access point, and the first one-way communication access point and the second one-way communication access point adopt different transmission frequencies.

Description

Technical Field

[0001] This specification relates to the field of medical device technology, and in particular to a medical telemetry communication system. Background Technology

[0002] With the development of wireless communication technology, electronic monitoring of patients' vital signs and other physiological parameters has been widely used in practice. In some scenarios, when doctors or nurses are not with the patient, portable wireless telemetry devices can acquire various physiological parameter information of the patient and transmit it to a central monitoring station. Doctors, nurses, or the central monitoring station can then determine the patient's health status or detect any problems the patient may be experiencing.

[0003] Wireless telemetry equipment in hospitals and other medical institutions often operates in the Industrial, Scientific and Medical (ISM) band or the Wireless Medical Telemetry Services (WMTS) band. Due to limitations in communication speed and power consumption in these proprietary bands, many manufacturers use one-way communication in their telemetry equipment. However, one-way communication is frequently interfered with by other devices (e.g., wireless routers, cordless phones), and cannot automatically configure parameters, easily leading to the loss of patient physiological signals.

[0004] Therefore, it is hoped that a medical telemetry communication system can be proposed to solve the two-way communication problem of wireless telemetry equipment, so as to make the signal stable and reliable and more convenient for patients to use. Summary of the Invention

[0005] This specification provides a medical telemetry communication system. The communication system includes: multiple telemetry terminals, at least one wireless access point, and synchronization and control equipment; the multiple telemetry terminals are used to acquire physiological data of a patient; the wireless access point includes at least one unidirectional communication access point and at most one bidirectional communication access point; the synchronization and control equipment is used to control the at least one wireless access point and the multiple telemetry terminals; the multiple telemetry terminals transmit the patient's physiological data uplink through the unidirectional communication access point of the at least one wireless access point, and receive downlink data sent by the synchronization and control equipment and / or the wireless access point through the bidirectional communication access point; the at least one unidirectional communication access point includes a first unidirectional communication access point and a second unidirectional communication access point, the first unidirectional communication access point and the second unidirectional communication access point using different transmission frequencies.

[0006] In some embodiments, the at least one wireless access point includes at least one first access point consisting of a plurality of the one-way communication access points and a two-way communication access point.

[0007] In some embodiments, the at least one wireless access point includes at least one first access point consisting of one of the bidirectional communication access points and a plurality of the unidirectional communication access points, and at least one second access point consisting of a plurality of the unidirectional communication access points.

[0008] In some embodiments, when interference exists at the current frequency, the at least one one-way communication access point will select a new frequency for data transmission.

[0009] In some embodiments, the synchronization and control device is further configured to, when determining that the bit error rate of the received physiological data of the patient is greater than a preset threshold, send a frequency modulation command to the target one-way communication access point and the telemetry terminal corresponding to the target one-way communication access point, the frequency modulation command including the new frequency of the target one-way communication access point.

[0010] In some embodiments, the communication system further includes a frequency scanning module for scanning available frequencies to obtain a list of interference-free and / or low-interference frequencies; when interference exists at the current frequency, the at least one unidirectional communication access point automatically selects a new frequency from the frequency list for data transmission.

[0011] In some embodiments, the telemetry terminal is configured to automatically access the wireless access point in the area where the current location is located for data transmission based on the different mobile locations.

[0012] In some embodiments, the telemetry terminal automatically connects to the bidirectional communication access point with the strongest signal after powering on, and obtains the signal transmission frequency of the corresponding unidirectional communication access point through the bidirectional communication access point.

[0013] In some embodiments, the telemetry terminal is configured to transmit data simultaneously through the one-way communication access point and the two-way communication access point when it is determined that the patient's physiological data meets preset conditions.

[0014] In some embodiments, the synchronization and control device is further configured to automatically send a retransmission command to the telemetry terminal via downlink communication in the bidirectional communication access point when it is determined that the received physiological data of the patient fails verification.

[0015] In some embodiments, the telemetry terminal is configured to locate the device / patient based on the signal strength of the wireless access point.

[0016] In some embodiments, the synchronization and control device is also used to control the telemetry terminal to start up, and / or control the telemetry terminal to start one or more of its specific functions.

[0017] In some embodiments, the telemetry terminal transmits its status data uplink through the one-way communication access point of the wireless access point, the status data including at least lead status and / or battery level; and / or the telemetry terminal performs authentication and / or authorization operations through the one-way communication access point of the wireless access point. Attached Figure Description

[0018] This specification will be further described by way of exemplary embodiments, which will be described in detail with reference to the accompanying drawings. These embodiments are not limiting; in these embodiments, the same reference numerals denote the same structures, wherein:

[0019] Figure 1 This is a schematic diagram of the structure of an exemplary medical telemetry communication system according to some embodiments of this specification;

[0020] Figure 2 This is a schematic diagram of the structure of an exemplary wireless access point according to some embodiments of this specification;

[0021] Figure 3 This is a schematic diagram of the structure of a wireless access point in an exemplary medical telemetry communication system according to some embodiments of this specification;

[0022] Figure 4 This is a schematic diagram of an exemplary wireless access point according to some embodiments of this specification;

[0023] Figure 5 This is a schematic diagram of a module of an exemplary telemetry terminal according to some embodiments of this specification;

[0024] Figure 6 These are schematic diagrams of exemplary medical telemetry communication systems according to some embodiments of this specification;

[0025] Figure 7 A schematic diagram of an exemplary medical telemetry communication process is shown according to some embodiments of this specification. Detailed Implementation

[0026] To more clearly illustrate the technical solutions of the embodiments in this specification, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are merely some examples or embodiments of this specification. For those skilled in the art, these drawings can be applied to other similar scenarios without creative effort. Unless obvious from the context or otherwise specified, the same reference numerals in the drawings represent the same structures or operations.

[0027] It should be understood that the terms “system,” “device,” “unit,” and / or “module” used herein are one way to distinguish different components, elements, parts, sections, or assemblies at different levels. However, if other terms can achieve the same purpose, they may be replaced by other expressions.

[0028] As indicated in this specification and claims, unless the context clearly indicates otherwise, the words "a," "an," "an," and / or "the" do not specifically refer to the singular and may also include the plural. Generally speaking, the terms "comprising" and "including" only indicate the inclusion of expressly identified steps and elements, which do not constitute an exclusive list, and the method or apparatus may also include other steps or elements.

[0029] Flowcharts are used in this specification to illustrate the operations performed by the system according to embodiments of this specification. The related descriptions are provided to aid in a better understanding of the medical imaging methods and / or systems. It should be understood that preceding or subsequent operations are not necessarily performed precisely in sequence. Instead, steps can be processed in reverse order or simultaneously. Furthermore, other operations can be added to these processes, or one or more steps can be removed from them.

[0030] In some scenarios, patients wearing or carrying wireless telemetry devices can move around near the hospital or between different locations.

[0031] In the United States, portable wireless telemetry devices can use the dedicated protected frequency bands provided by the Wireless Medical Telemetry Service (WMTS) or the Industrial, Scientific, and Medical (ISM) radio bands. WMTS provides fixed radio bands including 608MHz-614MHz, 1395MHz-1400MHz, and 1427MHz-1432MHz. ISM radio bands include 2.4GHz and 5.8GHz. The 2.4GHz band includes 2400MHz-2500MHz, and the 5.8GHz band includes 5.725GHz-5.875GHz. These bands can be used for wireless routers, cordless phones, and protocols such as ZigBee, Wi-Fi, RFID, Bluetooth, Thread, RF4CE, and 6LowPAN are available in the 2.4GHz band. Furthermore, the Federal Communications Commission (FCC) specifies the frequency band for Ultra Wide Band (UWB) technology as 3.1GHz-10.4GHz. With the development of wireless communication technology, various protocols inevitably interfere with each other as they operate in the ISM band.

[0032] In China, the catalogue and technical requirements for low-power short-range radio transmitting equipment specify the frequency bands for biomedical telemetry and medical implants and related equipment. Specifically, biomedical telemetry equipment uses frequencies of 174MHz-216MHz, 407MHz-425MHz, and 608MHz-630MHz, while medical implants and related equipment use frequencies of 401MHz-406MHz. China's main ISM bands are 2400MHz-2483.5MHz and 5.725GHz-5.875GHz.

[0033] Globally, wireless telemetry devices can also use some licensed frequency bands, such as those used by 3G, 4G, and 5G mobile internet. Devices operating in these frequency bands are subject to the frequency bands covered by local wireless networks, such as advanced 5G networks deployed in hospitals.

[0034] Wireless communication chips operating on the WMTS band in the US or the proprietary short-range radio bands in China typically support a maximum data rate of 1 Mbps and require an excellent wireless environment. However, under the conditions of typical hospitals or other medical institutions, the maximum data rate using a single radio bidirectional transmission band is 300 Kbps. Because wireless transmission requires retransmission capabilities, this data rate can only support 3-4 wireless telemetry device users. Furthermore, there are no dedicated chips or protocols on proprietary frequency bands to support this data transmission. Therefore, in the field of medical telemetry, due to limitations in communication speed and power consumption, and when wireless communication access points (e.g., Bluetooth or Wi-Fi) become unusable due to interference, most manufacturers choose to use unidirectional communication over long distances on proprietary frequency bands. However, one-way communication is often subject to interference from other devices, cannot automatically configure parameters, and is prone to losing patient physiological parameter signals. In addition, many functions cannot be used in telemetry scenarios. For example, the control signals sent by the central monitoring station to the wireless telemetry device to start the patient's telemetry device for blood oxygen measurement, pacemaker signal detection, device location, device positioning, battery level, lead detachment, battery replacement, and entering network standby mode.

[0035] This application provides a communication system and method for medical telemetry. By intelligently cooperating with unidirectional and bidirectional communication access points, bidirectional communication can be achieved. Furthermore, it can automatically retransmit data when the collected data does not meet preset conditions. Simultaneously, it can perform intelligent frequency hopping and channel measurement when the transmission frequency is interfered with. This not only satisfies the communication requirements of the telemetry equipment's dedicated frequency band with extremely low interference, but also meets the low power consumption and data rate requirements of wireless telemetry equipment.

[0036] Figure 1 This is a schematic diagram of the structure of an exemplary medical telemetry communication system according to some embodiments of this specification.

[0037] like Figure 1 As shown, in some embodiments, the medical telemetry communication system 100 may include a synchronization and control device 110, at least one wireless access point 120 (e.g., wireless access points 120-1, 120-2, ..., 120-n) and a plurality of telemetry terminals 130 (e.g., telemetry terminals 130-1, 130-2, ..., 130-n).

[0038] In some embodiments, the synchronization and control device 110 can be used to control at least one wireless access point 120 and / or multiple telemetry terminals 130. For example, the synchronization and control device 110 can be used to control the data transmission frequency of at least one wireless access point 120 and / or the status of multiple telemetry terminals 130. In some embodiments, the synchronization and control device 110 may include a computing device, such as a computer, server, etc. In some embodiments, the synchronization and control device 110 may include one or more of the following: a processor, circuitry, computer-readable storage, radio components, storage devices, and communication ports.

[0039] In some embodiments, multiple telemetry terminals 130 can acquire patient physiological data and transmit it uplink to a synchronization and control device 110 via a wireless access point, so that medical personnel or a central monitoring station can determine the patient's health status or lesions. In some embodiments, when the bit error rate of the received patient physiological data is determined to be greater than a preset threshold, the synchronization and control device 110 can determine a new, interference-free or low-interference frequency for the corresponding target one-way communication access point (e.g., a one-way communication access point connected to the telemetry terminal currently worn by the patient), send a frequency modulation command containing the new frequency to the wireless access point, and transmit the frequency modulation command to the telemetry terminal corresponding to the target one-way communication access point (i.e., the telemetry terminal currently worn by the patient) through the two-way communication access point of the wireless access point. In some embodiments, when the synchronization and control device 110 determines that the received patient physiological data fails verification, it can automatically send a retransmission command to the target telemetry terminal via the wireless access point. For example, when the synchronization and control device 110 determines that the received patient physiological data is missing, it automatically sends a retransmission command to the telemetry terminal 130-1 worn by the patient via the wireless access point 120-1.

[0040] In some embodiments, the synchronization and control device 110 can control the telemetry terminal to start up and / or activate one or more of its specific functions. For example, the synchronization and control device 110 can transmit a device start command to the telemetry terminal 130-2 via the wireless access point 120-2. In some embodiments, the synchronization and control device 110 can authenticate and / or authorize the telemetry terminal via the wireless access point. For example, the synchronization and control device 110 can receive the device identifier of the telemetry terminal and / or the user identifier of the carrier via the wireless access point 120-1 connected to the telemetry terminal 130-1, in order to authenticate the telemetry terminal 130-1 and / or authenticate the user.

[0041] In some embodiments, the synchronization and control device 110 may be part of a central monitoring station, for example... Figure 6As shown in the figure. In some embodiments, the synchronization and control device 110 can analyze and / or process the patient's physiological data. For example, the synchronization and control device 110 can analyze the patient's physiological data and determine the patient's health status. In some embodiments, the synchronization and control device 110 can transmit the patient's physiological data to the processing equipment of a central monitoring station (e.g., Figure 6 A central monitoring data center 140 is used to determine the patient's health status. In some embodiments, the synchronization and control device 110 can send the patient's physiological data to a storage device for storage.

[0042] At least one wireless access point 120 can be used to connect multiple telemetry terminals 130 with synchronization and control devices 110 to facilitate information and / or data exchange within the medical telemetry communication system 100. In some embodiments, at least one wireless access point 120 can be located in hospitals / medical institutions, and / or other places where users pass through or reside. For example, at least one wireless access point 120 can be located in residential areas, commercial areas, subway stations, squares, etc. In some embodiments, at least one wireless access point 120 can be located in different areas. In some embodiments, at least one wireless access point 120 can be located at different locations within the same area. For example, wireless access points 120-1, 120-2, and 120-n can be located on different floors of a hospital. In some embodiments, the signal coverage area of ​​each wireless access point 120 can be the same or different. In some embodiments, the signal coverage ranges of each wireless access point can overlap. For example, wireless access point 1 has a coverage range of 100 meters, and wireless access point 2 can be located 80 meters away from wireless access point 1.

[0043] In some embodiments, a wireless access point may include at least one unidirectional communication access point and at most one bidirectional communication access point. The unidirectional communication access point can be used for uplink data transmission, while the bidirectional communication access point is used for both uplink and downlink data transmission. Uplink transmission refers to communication transmission from the telemetry terminal to the synchronization and control device 110, and downlink transmission refers to communication transmission from the synchronization and control device 110 to the telemetry terminal. For example, uplink transmission may involve the telemetry terminal 130-1 uploading data to the wireless access point 120-1, or the wireless access point 120-1 forwarding data from the telemetry terminal 130-1 to the synchronization and control device 110 or uploading its own related data. Similarly, downlink transmission may involve the synchronization and control device 110 sending control commands to the wireless access point 120-2, or the wireless access point 120-2 forwarding the control commands to the telemetry terminal 130-2 or sending the transmission frequency of the unidirectional communication access point.

[0044] In some embodiments, the one-way communication access point and the two-way communication access point may use different transmission frequency bands. For example, the two-way communication access point may use a transmission frequency band of 608MHz-630MHz, while the one-way communication access point may use a transmission frequency band of 174MHz-216MHz. In some embodiments, the one-way communication access point and the two-way communication access point may support different protocols. For example, the one-way communication access point and the two-way communication access point may each support one or more different protocols such as ZigBee, Wi-Fi, RFID, Bluetooth, Thread, RF4CE, 6LowPAN, Lora, and Sub-G. Preferably, the one-way communication access point may use the Sub-G protocol, and the two-way communication access point may use the Lora (Long Range, abbreviated as Lora) protocol.

[0045] In some embodiments, at least one of the multiple one-way communication access points in each wireless access point may use different transmission frequencies than the other one-way communication access points. For example, at least one one-way communication access point in wireless access points 120-n may include a first one-way communication access point and a second one-way communication access point, which may use different transmission frequencies. For example, the first one-way communication access point and the second one-way communication access point may use frequencies of 2.412 GHz and 2.37 GHz for data / signal transmission, respectively, or correspond to different channels. As another example, wireless access point 120-1 includes 10 one-way communication access points, which may each use different transmission frequencies. In some embodiments, the one-way communication access point of at least one of the multiple wireless access points may use different transmission frequencies than the one-way communication access points of the other wireless access points. In some embodiments, when two or more one-way communication access points do not interfere with each other, they may all use the same transmission frequency. For example, if the coverage range of the one-way communication access point of wireless access point 120-1 is 100 meters, and the one-way communication access point of wireless access point 120-2 is located outside the 100-meter range of the one-way communication access point of wireless access point 120-1, then the one-way communication access point of wireless access point 120-1 can use the same transmission frequency as the one-way communication access point of wireless access point 120-2. In some embodiments, when interference exists at the current frequency, the one-way communication access point of the wireless access point can select a new frequency for data transmission.

[0046] In some embodiments, wireless access point 120-i (i = 1, 2, ..., n) may include a first access point consisting of a plurality of unidirectional communication access points and a bidirectional communication access point. See also Figure 2 , Figure 2 This is a schematic diagram of the structure of an exemplary wireless access point according to some embodiments of this specification. For example... Figure 2As shown in (a), the wireless access point can be a first access point 210 composed of multiple one-way communication access points 121 and one two-way communication access point 122. The multiple one-way communication access points 121 can establish connections with different telemetry terminals respectively, and the two-way communication access point 122 can establish connections with multiple telemetry terminals simultaneously. In some embodiments, the wireless access point 120-i may include a second access point composed of multiple one-way communication access points. For example... Figure 2 As shown in (b), the wireless access point can be a second access point 220 consisting of multiple one-way communication access points 121.

[0047] In some embodiments, different areas (e.g., different hospitals) may each have one bidirectional communication access point and multiple unidirectional communication access points, or multiple unidirectional communication access points and multiple bidirectional communication access points. In some embodiments, the bidirectional communication access point can establish communication with multiple telemetry terminals 130. In some embodiments, the medical telemetry communication system 100 may include at least one first access point, or at least one first access point and at least one second access point. See also Figure 3 , Figure 3 This is a schematic diagram of the structure of a wireless access point in an exemplary medical telemetry communication system according to some embodiments of this specification. For example... Figure 3 As shown in (a), the medical telemetry communication system 100 may include one or more first access points 210 as wireless access points. For example... Figure 3 As shown in (b), the medical telemetry communication system 100 may include one first access point 210 and multiple second access points 220 as wireless access points. Alternatively, the medical telemetry communication system 100 may include two first access points 210 and multiple second access points 220 as wireless access points. In some embodiments, the number and / or location of the first access points may be determined based on the signal coverage range of the bidirectional communication access points. In some embodiments, the number and / or location of the second access points may be determined based on the signal coverage range of the unidirectional communication access points.

[0048] As an example, in a three-story hospital, wireless access points 120-1, 120-2, and 120-3 can be set up on each floor. Wireless access point 120-2 is the first access point, and wireless access points 120-1 and 120-3 are the second access points. The signal range of the bidirectional communication access point 122 in wireless access point 120-2 can cover all floors of the hospital and can connect to all telemetry terminals 130-i located within the signal area to forward control commands (e.g., frequency modulation commands, retransmission commands, etc.) issued by the synchronization and control device 110. Multiple unidirectional communication access points in wireless access points 120-1, 120-2, and 120-3 can each establish connections with multiple telemetry terminals 130 located within their signal coverage area. For example, a telemetry terminal can establish a connection with a unidirectional communication access point 121 in wireless access point 120-1.

[0049] Understandable. Figure 2 and Figure 3 The wireless access points shown are merely examples. In some embodiments, the number and / or combination of unidirectional and bidirectional communication access points can be arbitrary, and this specification does not limit this. For example, two or more of the multiple wireless access points can be bidirectional communication access points, and the rest are unidirectional communication access points.

[0050] In some embodiments, at least one wireless access point 120 may include a cable network, a wired network, a fiber optic network, a telecommunications network, a wireless local area network (WLAN), a metropolitan area network (MAN), a public switched telephone network (PSTN), or Bluetooth. TM Network, Purple Bee TM Networks, Near Field Communication (NFC) networks, Ultra Wideband (UWB) networks, mobile communication (1G, 2G, 3G, 4G, 5G) networks, Narrowband Internet of Things (NB-IoT), infrared communication, etc., or any combination thereof. In some embodiments, at least one wireless access point 120 can be connected to the synchronization and control device 110 via a wired connection. For example, wireless access points 120-1, 120-2, ..., 120-n can be connected to the synchronization and control device 110 respectively via cables or optical fibers.

[0051] Multiple telemetry terminals 130 can be used to acquire a patient's physiological data. The patient may be a user carrying or wearing a telemetry terminal or a monitoring device (e.g., a medical PDA 131, a monitor 133) connected to the telemetry terminal. In some embodiments, the telemetry terminal can acquire the patient's physiological data through at least one sensor. In some embodiments, the telemetry terminal can acquire the patient's basic information and physiological data through the medical PDA 131 and / or the monitor 133. In some embodiments, the telemetry terminal may include a portable device. For example, the telemetry terminal may include a wearable device. In some embodiments, the wearable device may include a smart bracelet, smart shoes and socks, smart glasses, a smart helmet, a smartwatch, smart clothing, a smart backpack, smart accessories, etc., or any combination thereof.

[0052] In some embodiments, the telemetry terminal can transmit the patient's physiological data uplink through a one-way communication access point and receive downlink data sent by the synchronization and control device 110 and / or at least one wireless access point 120 through a two-way communication access point. For example, after acquiring the wearer's physiological data, the telemetry terminal 130-1 can transmit the patient's physiological data uplink to the synchronization and control device 110 through the one-way communication access point of the wireless access point 120-1. As another example, the telemetry terminal 130-2 receives downlink data such as device startup and authentication data obtained and forwarded by the wireless access point 120-2 from the synchronization and control device 110, or downlink data such as transmission frequencies sent by the wireless access point 120-2 itself.

[0053] In some embodiments, the telemetry terminal can automatically connect to the wireless access point with the strongest signal after powering on. For example, telemetry terminal 130-2 can automatically connect to the one-way communication access point and / or two-way communication access point with the strongest signal after powering on. In some embodiments, the telemetry terminal can automatically connect to a wireless access point in the area where the current location is located and perform data transmission based on the different movement locations. In some embodiments, the telemetry terminal can locate the device / patient based on the signal strength of the wireless access point. For example, telemetry terminal 130-3 can determine the current location based on the signal strength of the connected one-way communication access point. In some embodiments, the telemetry terminal can transmit its status data and / or perform authentication to the synchronization and control device 110. More related content can be found in [link to relevant documentation]. Figure 5 The details and related descriptions will not be repeated here.

[0054] In some embodiments, each telemetry terminal may include a one-way communication interface and a two-way communication interface, used to establish communication connections with the one-way communication access point and the two-way communication access point, respectively. For example, telemetry terminal 130-1 may include a communication module integrating a Sub-G chip and a LoRa chip. When telemetry terminal 130-1 is within the coverage area of ​​wireless access point 120-1, the Sub-G chip can establish a communication connection with one of the one-way communication access points of wireless access point 120-1, and the LoRa chip is used to establish a communication connection with the two-way communication access points of wireless access points 120-1 or 120-2.

[0055] It should be noted that the above description of the medical telemetry communication system 100 is for illustrative purposes only and is not intended to limit the scope of this specification. Various modifications and variations can be made based on this specification by those skilled in the art. However, these changes and modifications do not depart from the scope of this specification.

[0056] Figure 4 This is a schematic diagram of an exemplary wireless access point according to some embodiments of this specification.

[0057] like Figure 4 As shown, in some embodiments, the wireless access point 400 may include a one-way communication module 410, a two-way communication module 420, a frequency sweeping module 430, and an intelligent frequency hopping module 440.

[0058] The one-way communication module 410 is a communication module corresponding to the one-way communication access point that performs uplink transmission. In some embodiments, the one-way communication module 410 can be used for uplink transmission. For example, the one-way communication module 410 can transmit uplink data such as patient physiological data, device status data, and / or authentication information sent by the telemetry terminal to the synchronization and control device 110.

[0059] The bidirectional communication module 420 is a communication module corresponding to the bidirectional communication access point, capable of both uplink and downlink transmission. For example, the bidirectional communication module 420 can be used to transmit data sent by the telemetry terminal uplink to the synchronization and control device 110, receive control commands and / or related data transmitted downlink from the synchronization and control device 110, and transmit related data downlink to the telemetry terminal.

[0060] The frequency sweep module 430 can be used to scan for available frequencies with little or no interference. In some embodiments, the available frequencies may include specific frequency values ​​or frequency ranges. For example, the available frequencies may be the interference-free frequency 2.477 GHz, or a frequency range with little interference: 2.452 GHz to 2.467 GHz. In some embodiments, the available frequencies and the interfered frequencies may belong to the same channel or different channels. In some embodiments, the frequency sweep module 430 can be used to scan for available frequencies whose signal strength meets preset rules. For example, the frequency sweep module 430 can scan all frequencies that can be used for one-way communication and generate a corresponding frequency list, from which the one-way communication module 410 can select the frequency with the strongest signal for uplink transmission.

[0061] In some embodiments, the frequency scanning module 430 may perform an available frequency scan at specific time intervals, such as every 2 seconds, 3 seconds, 5 seconds, etc. In some embodiments, the frequency scanning module 430 may perform an available frequency scan when interference exists at the current frequency for the one-way communication access point. In some embodiments, the frequency scanning module 430 may perform an available frequency scan in real time. In some embodiments, the frequency scanning module 430 may perform an available frequency scan upon receiving a retransmission command for downlink transmission from the synchronization and control device 110.

[0062] In some embodiments, the frequency sweeping module 430 can generate a list of interference-free and / or low-interference frequencies based on the scanned available frequencies. In some embodiments, for each unidirectional communication access point, the frequency sweeping module 430 can generate a separate list of interference-free and / or low-interference frequencies corresponding to it.

[0063] The intelligent frequency hopping module 440 can automatically select a new frequency for a one-way communication access point when interference exists at its current frequency. In some embodiments, the intelligent frequency hopping module 440 can automatically select a new frequency from a corresponding frequency list when it is determined that interference exists at the frequency of the one-way communication access point, so that the one-way communication module 410 uses the new frequency for data transmission. In some embodiments, the intelligent frequency hopping module 440 can obtain a new frequency from the synchronization and control device 110 when interference exists at the frequency of the one-way communication access point. In some embodiments, when the current frequency of the one-way communication access point is interfered with, the intelligent frequency hopping module 440 can transmit the determined new frequency through a bidirectional communication module to a telemetry terminal connected to the one-way communication access point (i.e., the target one-way communication access point), so that the telemetry terminal can use the new frequency for data transmission.

[0064] In some embodiments, a new frequency can be transmitted to the intelligent frequency hopping module 440 when the synchronization and control device determines that the bit error rate of the received patient's physiological data is greater than a preset threshold. The bit error rate can refer to the percentage of lost or erroneous data. For example, when the telemetry terminal 130-1 establishes a connection with the one-way communication access point 1 and transmits the patient's physiological data uplink through the one-way communication access point 1, the synchronization and control device 110 can determine whether the received data is lost or erroneous based on the data encoding. When it is determined that the bit error rate of the received patient's physiological data is greater than the preset threshold, a new available frequency corresponding to the one-way communication access point 1 is determined, and a frequency modulation command containing the available frequency is generated and sent to the wireless access point. Further, the intelligent frequency hopping module 440 can transmit the received frequency modulation command to the telemetry terminal through the two-way communication access point. The one-way communication interface in the telemetry terminal communicates with the one-way communication access point 1 using the available frequency based on the frequency modulation command to perform data retransmission. The preset threshold can be any reasonable value, such as 2%, 5%, 10%, etc., and this manual does not impose any restrictions on it.

[0065] It should be noted that the above description is for illustrative purposes only and does not limit the scope of this specification. Those skilled in the art can make various modifications and changes based on this specification. For example, the synchronization and control device 110 can send a determined list of new frequencies or available frequencies to the one-way communication module 410 in the wireless access point, which can then directly transmit data based on the corresponding frequency or by selecting a new frequency from the frequency list. Alternatively, the synchronization and control device 110 may include a frequency scanning module for scanning available frequencies to obtain a list of interference-free or low-interference frequencies, and sending this list to the wireless access point so that it can select the uplink transmission frequency for the one-way communication access point. However, these modifications and changes are still within the scope of this specification.

[0066] Figure 5 This is a schematic diagram of an exemplary telemetry terminal according to some embodiments of this specification.

[0067] like Figure 5 As shown, in some embodiments, the telemetry terminal 500 may include a startup module 510, a communication module 520, a data redundancy module 530, a positioning module 540, a status monitoring module 550, and an alarm module 560.

[0068] The startup module 510 can be used for device startup and / or device function startup. In some embodiments, the startup module 510 can start the telemetry terminal and / or start one or more specific functions of the telemetry terminal based on control commands issued by the synchronization and control device 110. For example, the startup module 510 can receive a power-on command transmitted downlink from the synchronization and control device 110 through a bidirectional communication access point, and start the telemetry terminal based on the command. As another example, the startup module 510 can receive a blood oxygen measurement command or pacemaker signal detection command transmitted downlink from the synchronization and control device 110 through a bidirectional communication access point, and start the blood oxygen measurement function or pacemaker signal detection function of the telemetry terminal based on the command. Yet another example, the startup module 510 can receive a body temperature and blood pressure measurement command transmitted downlink from the synchronization and control device 110 through a bidirectional communication access point, and start the body temperature measurement function and blood pressure measurement function of the telemetry terminal based on the command.

[0069] The communication module 520 can be used to access wireless access points. In some embodiments, the communication module 520 can automatically access the bidirectional communication access point with the strongest signal after the telemetry terminal is powered on. For example, after the telemetry terminal 130-1 is powered on, the communication module 520 can automatically scan and acquire the broadcast signals of all surrounding wireless access points, and select the bidirectional communication access point with the strongest signal strength to actively connect. In some embodiments, the communication module 520 can obtain the signal transmission frequency of the corresponding unidirectional communication access point through the bidirectional communication access point. For example, the communication module 520 can obtain the unidirectional communication access point corresponding to the bidirectional communication access point (e.g., belonging to the same access point as the bidirectional communication access point, for example, ...) through the accessed bidirectional communication access point. Figure 2 (a) The signal transmission frequency of a group of bidirectional and unidirectional communication access points in the same access point 210. For example, the communication module 520 can obtain the signal transmission frequency of the accessible unidirectional communication access point through the accessed bidirectional communication access point, such as the transmission frequency of the unidirectional communication access point with the strongest signal.

[0070] As an example only, after communication module 520 automatically connects to the bidirectional communication access point of the wireless access point with the strongest signal, the frequency scanning module 430 of that wireless access point scans the list of all available one-way communication frequencies, and then the one-way communication module 410 connects to the frequency with the strongest signal in the frequency list. Further, bidirectional communication module 420 sends a broadcast message to the telemetry terminal informing it of the assigned one-way communication channel, and communication module 520 receives the communication signal from the one-way communication access point and connects.

[0071] In some embodiments, the communication module 520 may include a one-way communication interface and a two-way communication interface. The one-way communication interface is used to establish a connection with a one-way communication access point, and the two-way communication interface is used to establish a communication connection with a two-way communication access point. For example, the one-way communication interface can be implemented using the Sub-G communication protocol, and the two-way communication interface can be implemented using the LoRa communication protocol. In some embodiments, the communication module 520 can switch to a new frequency for data transmission when the frequency of the one-way communication transmission channel is interfered with. For example, the communication module 520 can receive a frequency modulation command containing a new frequency issued by the synchronization and control device 110 through the two-way communication access point, and transmit data uplink to the synchronization and control device 110 using the new frequency through the established one-way communication access point according to the frequency modulation command.

[0072] In some embodiments, the communication module 520 can automatically access a wireless access point within the area where the telemetry terminal is currently located for data transmission based on the different moving positions of the telemetry terminal. In some embodiments, the communication module 520 can automatically access the wireless access point with the strongest signal within the area where the telemetry terminal is currently located for data transmission. For example, if the patient is initially within the coverage area of ​​wireless access point 120-1, and when the patient moves to the coverage area of ​​wireless access point 120-2, the communication module 520 of the telemetry terminal carried by the patient will scan and find that the signal of wireless access point 120-2 is the strongest at this time, and then switch from wireless access point 120-1 to wireless access point 120-2.

[0073] In some embodiments, the communication module 520 can transmit the telemetry terminal's status data uplink through the one-way communication access point of the wireless access point. In some embodiments, the telemetry terminal's status data may include location information, lead status, and / or battery level, etc. Lead status can reflect the connection status between the telemetry terminal and the synchronization and control device, such as whether it is connected to the wireless access point. In some embodiments, the communication module 520 can perform authentication and / or authorization operations through the one-way communication access point of the wireless access point. Authentication can refer to authenticating whether the user of the telemetry terminal has the right to use it. Authorization operations can refer to verifying whether the telemetry terminal is a legitimate authorized device. For example, the communication module 520 can transmit the telemetry terminal's device identifier and / or the wearer's identity identifier uplink to the synchronization and control device 110 through the one-way communication access point of the wireless access point. The synchronization and control device 110 determines whether the user's identity is legitimate based on the identity identifier, and / or determines whether the telemetry terminal is an authorized device of the central monitoring station based on the device identifier. In some embodiments, the communication module 520 can transmit the telemetry terminal's location information uplink through the one-way communication access point of the wireless access point.

[0074] The data redundancy module 530 can be used to simultaneously transmit data through both the one-way and two-way communication access points of the wireless access point when it is determined that the patient's physiological data meets preset conditions. In some embodiments, the preset conditions can be determined based on standard values ​​of human physiological parameters. For example, preset conditions may include blood pressure higher than the standard value, body temperature higher than the normal value, and / or heart rate higher than the standard value. For example, if the data redundancy module 530 detects abnormal blood oxygen data in the patient, and the patient may have a safety problem, it will simultaneously transmit this information uplink to the synchronization and control device 110 through both the one-way and two-way communication access points of the wireless access point. By simultaneously transmitting data through both the one-way and two-way communication access points when the physiological data meets the preset conditions, the risk of data loss and errors during data transmission can be reduced.

[0075] The positioning module 540 can be used to locate the position of the telemetry terminal and / or the user. In some embodiments, the positioning module 540 can locate the device / patient based on the signal strength of the wireless access point. For example, when a patient carrying the telemetry terminal moves, the positioning module 540 can determine which wireless access point the telemetry terminal is within based on the signal strength of the scanned surrounding wireless access points, thereby approximating the patient's geographical location. Alternatively, the positioning module 540 can locate the position of the telemetry terminal or the patient based on the location of the accessed wireless access point. In some embodiments, the positioning module 540 can locate the device and / or the patient based on its own positioning device. In some embodiments, the positioning module 540 can locate the telemetry terminal after receiving a device search command or positioning command from the synchronization and control device 110. In some embodiments, the positioning module 540 can perform real-time positioning of the telemetry terminal.

[0076] The status monitoring module 550 can be used to collect the telemetry terminal's own status data. For example, the status monitoring module 550 can obtain the telemetry terminal's working status, such as whether it is powered off, powered on, or in standby mode, the currently activated functions, and device status such as lead status and battery level.

[0077] The 560 alert module can be used to issue warnings when the device / data is abnormal. For example, when the telemetry terminal is disconnected, has low battery, or is outside the coverage area of ​​the wireless access point, it can provide voice prompts such as "Please check if the terminal needs to be reconnected", "The device's current battery is low, please replace the battery in time", or "There is no network connection in the current area, please move to a connectable area", etc.

[0078] It should be noted that the above description is for illustrative purposes only and does not limit the scope of this specification. Those skilled in the art can make various modifications and changes based on this specification. For example, the positioning module 540 can be omitted, and the telemetry terminal can report the signal strength of scanned surrounding wireless access points to the synchronization and control device 110 via the communication module 520. The synchronization and control device 110 can then determine the approximate range of which wireless access point the telemetry terminal is within based on the signal strength, thereby achieving the location of the patient or the telemetry terminal, or device location. However, these modifications and changes are still within the scope of this specification.

[0079] Figure 6 This is a schematic diagram of an exemplary medical telemetry communication system according to some embodiments of this specification.

[0080] like Figure 6 As shown, in some embodiments, the medical telemetry communication system 600 may include a synchronization and control device 110, at least one wireless access point 120, a telemetry terminal 130-i, a monitoring data center 140, a switch 150, an intranet 160, and an intranet controller 170.

[0081] In some embodiments, the synchronization and control device 110, the monitoring data center 140, the switch 150, the intranet 160, and the intranet controller 170 can be part of a central monitoring station. The monitoring data center 140 can be used to monitor and analyze the patient's physiological data to obtain the patient's health status. The switch 150 can be used to connect the synchronization and control device 110, at least one wireless access point 120, the intranet 160, and the monitoring data center 140 to facilitate communication between the modules of the central monitoring station. The intranet 160 can be used for communication within the central monitoring station to ensure data security and reliability.

[0082] In some embodiments, after powering on, the telemetry terminal 130-i automatically scans to find the wireless access point with the strongest signal and connects to its bidirectional communication channel, such as bidirectional communication access point 122 of wireless access point 120-1. Further, the frequency scanning module of the wireless access point scans all available one-way communication frequencies. The one-way communication access point 121 of wireless access point 120-1 connects to the frequency with the strongest signal and sends a broadcast message through bidirectional communication access point 122 to inform the telemetry terminal 130-i of the allocated one-way communication channel. Based on the received one-way communication channel information, the telemetry terminal 130-i can connect to the channel of the one-way communication access point 121, completing automatic network configuration.

[0083] When a patient moves, their telemetry terminal may move from the coverage area of ​​one wireless access point to the coverage area of ​​another. At this time, the telemetry terminal 130-i can scan the signal strength of nearby wireless access points and then automatically switch to the wireless access point with the strongest signal. In some embodiments, during movement, the telemetry terminal 130-i can transmit the scanned signal strength of surrounding wireless access points to the synchronization and control device 110 via the accessed one-way communication access point, so that the synchronization and control device 110 can locate the patient or the telemetry terminal device based on the signal strength.

[0084] In some embodiments, after acquiring the patient's physiological data through the medical PDA 131 and / or monitor 133, the telemetry terminal 130-i can transmit the physiological data uplink to the synchronization and control device 110 through the one-way communication access point of the accessed wireless access point (e.g., wireless access point 120-1 or wireless access point 120-2). In some embodiments, the telemetry terminal 130-i can also transmit its own operating status, lead detachment, battery level, and other data uplink to the synchronization and control device 110 through the accessed one-way communication access point.

[0085] When uploading data, the telemetry terminal encodes the data packets continuously. In some embodiments, when the synchronization and control device 110 receives the data packets uploaded by the telemetry terminal 130-i, it can verify the encoding of the data packets. If the encoding of the data packets is found to be discontinuous, it determines that the data is lost and needs to be re-uploaded. Further, the synchronization and control device 110 can transmit a re-upload instruction to the telemetry terminal 130-i through a bidirectional communication access point, so that the telemetry terminal 130-i can re-upload the relevant data. In some embodiments, when the synchronization and control device 110 finds that the encoding of the data packets is discontinuous and the bit error rate is greater than a preset threshold, it determines that the current one-way communication frequency is interfered with. It can send a frequency modulation instruction for the target one-way communication access point to the wireless access point and transmit the frequency modulation instruction downlink to the telemetry terminal 130-i connected to the target one-way communication access point through the bidirectional communication access point. The telemetry terminal 130-i connected to the target one-way communication access point can use the new transmission frequency in the frequency modulation instruction to perform uplink data transmission through the target one-way communication access point.

[0086] In some embodiments, the synchronization and control device 110 can transmit the received patient's physiological data to the monitoring data center 140. In some embodiments, the monitoring data center 140 can analyze the physiological data to determine the patient's health status. In some embodiments, the monitoring data center 140 can output and display the physiological data to medical personnel, who can then determine the patient's health status. In some embodiments, when it is necessary to obtain one or more specific physiological data of the patient, the synchronization and control device 110 can transmit a corresponding function activation command, such as a blood oxygen measurement command or a body temperature measurement command, to the telemetry terminal 130-i via a two-way communication access point.

[0087] Figure 7 A schematic diagram of an exemplary medical telemetry communication process is shown according to some embodiments of this specification.

[0088] In some embodiments, process 700 may be executed by medical telemetry communication system 100 or medical telemetry communication system 600. For example, process 700 may be stored in a storage device in the form of a program or instructions, and process 700 may be implemented when synchronization and control device 110 executes the program or instructions.

[0089] Step 710: Send device and / or function start command to telemetry terminal through the bidirectional communication access point of wireless access point.

[0090] In some embodiments, the synchronization and control device 110 can send a device start command to the telemetry terminal (e.g., telemetry terminal 130-1, 130-2, 130-3, ..., 130-n) through the bidirectional communication access point of the wireless access point. In some embodiments, the synchronization and control device 110 can send start commands for one or more specific functions to the telemetry terminal (e.g., telemetry terminal 130-1, 130-2, 130-3, ..., 130-n) through the bidirectional communication access point of the wireless access point.

[0091] Step 720: Receive data transmitted uplink from the telemetry terminal via the one-way communication access point of the wireless access point.

[0092] In some embodiments, the synchronization and control device 110 can receive one or more of the following data transmitted uplink from telemetry terminals (e.g., telemetry terminals 130-1, 130-2, 130-3, ..., 130-n): patient physiological data, device status, signal strength of the wireless access point, device identifier, user identifier, etc., through the one-way communication access point of the wireless access point. In some embodiments, the synchronization and control device 110 can simultaneously receive the physiological data transmitted uplink from telemetry terminals (e.g., telemetry terminals 130-1, 130-2, 130-3, ..., 130-n) through both one-way and two-way communication access points.

[0093] Step 730: Determine control commands by analyzing the data.

[0094] In some embodiments, the synchronization and control device 110 can verify the received patient's physiological data, and if the verification fails, determine a data retransmission instruction. In some embodiments, the synchronization and control device 110 can analyze the received patient's physiological data, and if the bit error rate of the physiological data is greater than a preset threshold, determine that the current frequency of the one-way communication access point is subject to interference, and determine a new frequency, or a list of interference-free frequencies and / or low-interference frequencies. In some embodiments, the synchronization and control device 110 can determine a frequency modulation instruction based on the determined new frequency or frequency list.

[0095] Step 740: Send control commands to the telemetry terminal through the two-way communication access point of the wireless access point.

[0096] In some embodiments, the synchronization and control device 110 can send a data retransmission command to the telemetry terminal through the bidirectional communication access point of the wireless access point. In some embodiments, the synchronization and control device 110 can send a determined frequency modulation command to the wireless access point and downlink it to the telemetry terminal connected to the unidirectional communication access point through the bidirectional communication access point, so as to select a new transmission frequency for the unidirectional communication channel.

[0097] It should be noted that the above Figures 6-7 The descriptions provided are for illustrative purposes only and do not limit the scope of this specification. Those skilled in the art can make various modifications and changes based on this specification. However, such modifications and changes remain within the scope of this specification.

[0098] The beneficial effects that the embodiments of this specification may bring include, but are not limited to: (1) Different transmission frequencies of one-way communication access points make the one-way channels between different telemetry terminals non-interfering with each other, improving the efficiency of telemetry data uploading; (2) By using one-way communication access points and two-way communication access points in a smart combination, the effect of two-way communication can be achieved; (3) By setting one two-way communication access point and multiple one-way communication access points, the effect of two-way communication can be achieved while saving two-way communication access points, further saving costs; (4) When the one-way communication transmission channel is interfered with, it automatically selects a new frequency to access, which can reduce data transmission errors, loss or delay caused by interference, and ensure the timeliness and accuracy of patient physiological data transmission; (5) By scanning the available frequencies through the frequency scanning module, a frequency list of interference-free or low-interference frequencies is obtained and sent to the wireless access point to select the uplink transmission frequency of the one-way communication access point, which can ensure that the one-way communication transmission uses frequencies with less interference or no interference, improving the stability of telemetry data transmission; (6) When the patient's telemetry terminal moves to different areas, it automatically accesses a new wireless access point for data transmission, which can avoid the inability to upload due to the patient's location change. (7) After the telemetry terminal is powered on, it automatically connects to the wireless access point with the strongest signal from the standby mode and completes the network configuration without manual configuration, making the device more convenient to use; (8) When the patient's physiological data meets the preset conditions, it uses one-way communication and two-way communication to transmit data at the same time. The two methods of transmission at the same time ensure the security and reliability of the data, so that the patient can receive timely and proper treatment and handling in case of emergency; (9) When the received patient's physiological data fails the verification, it automatically issues a retransmission command to ensure the integrity and reliability of the data; (10) It can remotely start one or more specific functions of the telemetry terminal, so that doctors and nurses no longer need to run to the patient's side to take measurements, making daily physiological data monitoring more efficient and convenient; (11) The telemetry terminal uploads the device status, so that the status of the telemetry terminal can be monitored in real time, avoiding errors, loss or delays in the upload of patient physiological data due to insufficient power of the telemetry terminal; (12) It performs identity verification and authorization operations on the accessed telemetry terminal device to ensure the security of the system and avoid security problems such as leakage of patient privacy.

[0099] It should be noted that different embodiments may produce different beneficial effects. In different embodiments, the beneficial effects may be any one or a combination of the above, or any other possible beneficial effects.

[0100] The basic concepts have been described above. Obviously, for those skilled in the art, the detailed disclosure above is merely illustrative and does not constitute a limitation of this specification. Although not explicitly stated herein, those skilled in the art may make various modifications, improvements, and corrections to this specification. Such modifications, improvements, and corrections are suggested in this specification and therefore remain within the spirit and scope of the exemplary embodiments described herein.

[0101] Furthermore, this specification uses specific terms to describe embodiments thereof. For example, "an embodiment," "one embodiment," and / or "some embodiments" refer to a particular feature, structure, or characteristic associated with at least one embodiment of this specification. Therefore, it should be emphasized and noted that references to "an embodiment," "one embodiment," or "an alternative embodiment" in different locations throughout this specification do not necessarily refer to the same embodiment. Moreover, certain features, structures, or characteristics in one or more embodiments of this specification can be appropriately combined.

[0102] Furthermore, unless expressly stated in the claims, the order of processing elements and sequences, the use of numbers and letters, or other names described in this specification are not intended to limit the order of the processes and methods described herein. Although various examples have been discussed in the foregoing disclosure of some embodiments of the invention that are currently considered useful, it should be understood that such details are for illustrative purposes only, and the appended claims are not limited to the disclosed embodiments; rather, the claims are intended to cover all modifications and equivalent combinations that conform to the spirit and scope of the embodiments described herein. For example, while the system components described above can be implemented using hardware devices, they can also be implemented solely using software solutions, such as installing the described system on existing servers or mobile devices.

[0103] Similarly, it should be noted that, in order to simplify the description disclosed herein and thus aid in the understanding of one or more embodiments of the invention, the foregoing description of embodiments in this specification may sometimes combine multiple features into a single embodiment, drawing, or description thereof. However, this method of disclosure does not imply that the subject matter of this specification requires more features than those mentioned in the claims. In fact, the embodiments contain fewer features than all the features of a single embodiment disclosed above.

[0104] In some embodiments, numbers describing the quantity of components and attributes are used. It should be understood that such numbers used in the description of embodiments are modified in some examples with the terms "approximately," "approximately," or "generally." Unless otherwise stated, "approximately," "approximately," or "generally" indicates that the numbers are allowed to vary by ±20%. Accordingly, in some embodiments, the numerical parameters used in the specification and claims are approximate values, which may be changed depending on the characteristics required by individual embodiments. In some embodiments, numerical parameters should take into account specified significant digits and employ a general method of digit reservation. Although the numerical ranges and parameters used to confirm their breadth of range in some embodiments of this specification are approximate values, in specific embodiments, such values ​​are set as precisely as feasible.

[0105] For each patent, patent application, patent application publication, and other material, such as articles, books, specifications, publications, and documents, referenced in this specification, the entire contents of which are incorporated herein by reference. This excludes historical application documents that are inconsistent with or conflict with the content of this specification, as well as documents that limit the broadest scope of the claims in this specification (currently or subsequently appended to this specification). It should be noted that in the event of any inconsistency or conflict between the descriptions, definitions, and / or terminology used in the supplementary materials to this specification and the content of this specification, the descriptions, definitions, and / or terminology used in this specification shall prevail.

[0106] Finally, it should be understood that the embodiments described in this specification are merely illustrative of the principles of the embodiments described herein. Other variations may also fall within the scope of this specification. Therefore, alternative configurations of the embodiments described herein are intended to be illustrative rather than limiting, and should be considered consistent with the teachings of this specification. Accordingly, the embodiments described herein are not limited to those explicitly introduced and described herein.

Claims

1. A medical telemetry communication system, characterized in that, include: Multiple telemetry terminals, at least one wireless access point, and synchronization and control equipment; The multiple telemetry terminals are used to acquire the patient's physiological data; The wireless access point includes at least one unidirectional communication access point and at most one bidirectional communication access point, and the synchronization and control device is used to control the at least one wireless access point and the plurality of telemetry terminals; The plurality of telemetry terminals transmit the patient's physiological data uplink through the one-way communication access point of the at least one wireless access point, and receive downlink data sent by the synchronization and control device and / or the wireless access point through the two-way communication access point; The at least one unidirectional communication access point includes a first unidirectional communication access point and a second unidirectional communication access point, wherein the first unidirectional communication access point and the second unidirectional communication access point use different transmission frequencies.

2. The communication system according to claim 1, characterized in that, The at least one wireless access point includes at least one first access point consisting of a plurality of the unidirectional communication access points and a bidirectional communication access point.

3. The communication system according to claim 1, characterized in that, The at least one wireless access point includes at least one first access point consisting of one bidirectional communication access point and a plurality of unidirectional communication access points, and at least one second access point consisting of a plurality of unidirectional communication access points.

4. The communication system according to claim 1, characterized in that, When interference exists at the current frequency, the at least one one-way communication access point will select a new frequency for data transmission.

5. The communication system according to claim 4, characterized in that, The synchronization and control device is also used to determine that when the bit error rate of the received physiological data of the patient is greater than a preset threshold, send a frequency modulation command to the target one-way communication access point and the telemetry terminal corresponding to the target one-way communication access point, the frequency modulation command including the new frequency of the target one-way communication access point.

6. The communication system according to claim 4, characterized in that, The system further includes a frequency sweeping module for scanning available frequencies to obtain a list of interference-free and / or low-interference frequencies. When interference exists at the current frequency, the at least one unidirectional communication access point automatically selects a new frequency from the frequency list for data transmission.

7. The communication system according to claim 1, characterized in that, The telemetry terminal is configured to automatically connect to the wireless access point in the area where the current location is located for data transmission based on the different mobile locations.

8. The communication system according to claim 1, characterized in that, The telemetry terminal is configured to automatically connect to the bidirectional communication access point with the strongest signal after power-on, and obtain the signal transmission frequency of the corresponding unidirectional communication access point through the bidirectional communication access point.

9. The communication system according to claim 1, characterized in that, The telemetry terminal is configured to transmit data simultaneously through the one-way communication access point and the two-way communication access point when it is determined that the patient's physiological data meets preset conditions.

10. The communication system according to claim 1, characterized in that, The synchronization and control device is also used to automatically send a retransmission command to the telemetry terminal through the downlink communication of the bidirectional communication access point when it is determined that the received physiological data of the patient fails the verification.

11. The communication system according to claim 1, characterized in that, The telemetry terminal is configured to locate the device / patient based on the signal strength of the wireless access point.

12. The communication system according to claim 1, characterized in that, The synchronization and control device is also used to control the telemetry terminal to start up, and / or control the telemetry terminal to start one or more of its specific functions.

13. The communication system according to claim 1, characterized in that, The telemetry terminal transmits its status data uplink through the one-way communication access point of the wireless access point. The status data includes at least lead status and / or battery level; and / or The telemetry terminal performs identity verification and / or authorization operations through the one-way communication access point of the wireless access point.

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