Analyte sensing system

• US 10,413,224 B2
• Filed: 04/18/2014
• Issued: 09/17/2019
• Est. Priority Date: 03/07/2014
• Status: Active Grant

• Current Assignee: Medtrum Technologies Inc.
• Original Assignee: Medtrum Technologies Inc.
• Inventors: Yang, Cuijun
• Primary Examiner(s): Natnithithadha, Navin
• Application Number:
  US14/907,151
• Publication Number:
  US 20160157759A1
• Time in Patent Office: 1,978 Days
• Field of Search: 600309, 600345-366
• CPC Class Codes: A61B 2560/045 with a separable interface unit, e.g. for communication
• CPC Class Codes: A61B 5/0002 Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network A61B5/07 takes precedence; transmission systems for measured values G08C; transmission H04B; transmission of digital information H04L; wireless communication networks H04W
• CPC Class Codes: A61B 5/0022 Monitoring a patient using a global network, e.g. telephone networks, internet
• CPC Class Codes: A61B 5/14503 invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors A61B5/1459, A61B5/1464, A61B5/1473, A61B5/1482, A61B5/14865 take precedence
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/1473 invasive, e.g. introduced into the body by a catheter A61B5/1482 takes precedence
• CPC Class Codes: A61B 5/6801 specially adapted to be attached to or worn on the body surface
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence

Abstract

Disclosed is an analyte sensing system (1), comprising: a sensor probe (11) for collecting the analyte content in human body and transmitting the collected analyte content information; a transmitter (13) connected to the sensor probe (11) for receiving the analyte content information transmitted by the sensor probe (11) implanted subcutaneously and converting same into a radio signal to output; and a receiver for receiving the radio signal comprising the analyte content information transmitted by the transmitter (13) and converting same into analyte content data to display to the user. The analyte sensing system (1) uses an automatic installer (122) to implant the sensor probe (11) into the human body, and obtains the analyte content information collected by the sensor probe (11) through the transmitter (13) and the receiver. The analyte sensing system (1) has a small structure, and is easy to use and convenient to operate.

Claims

1. An analyte sensing system, comprising:

a sensor probe configured to detect an analyte content in a human body and transmit the detected analyte content information;

a transmitter connected to the sensor probe, configured to receive the analyte content information transmitted by the sensor probe implanted subcutaneously, convert the analyte content information into a radio signal and output the radio signal;

a receiver configured to receive the radio signal containing the analyte content information transmitted by the transmitter, convert the radio signal into analyte content data and display the analyte content data to a user; and

a probe installation device configured to implant the sensor probe into a subcutis of the human body, wherein the probe installation device comprises a support mount, an inserter, a safety lock and a medical adhesive tape,

wherein the support mount has an identification module arranged thereon, wherein the identification module is configured to identify a connection state of the sensor probe and the transmitter, and is a magnetic switch;

wherein the support mount comprises a first installation structure configured to accommodate the inserter, a second installation structure configured to accommodate the transmitter, and a third installation structure configured to accommodate a sensor probe shell;

wherein the probe installation device further comprises an identity recognition module configured to recognize identity and store personalized information of the probe installation device, the sensor probe, or a combination thereof, and the identity recognition module is a near field communication (NFC) tag, a radio frequency identification (RFID) tag or an identity recognition chip.

2. The analyte sensing system according to claim 1, wherein the inserter is located on the first installation structure, and the inserter comprises an inserter shell, an ejection mechanism arranged inside the inserter shell, and a button module configured to release the ejection mechanism;

wherein the safety lock is located on the inserter shell and configured to cover the button module; and

wherein the medical adhesive tape is connected to the support mount and configured to stick the support mount to a skin of the human body.

3. The analyte sensing system according to claim 2, wherein the first installation structure comprises a first sliding unit, a second sliding unit, and a first fastener unit;

wherein the inserter shell comprises a third sliding unit, a fourth sliding unit and a second fastener unit which are arranged on a bottom edge of the inserter shell;

wherein the third sliding unit and the fourth sliding unit are corresponding to the first sliding unit and the second sliding unit, respectively, and the second fastener unit is corresponding to the first fastener unit.

4. The analyte sensing system according to claim 2, wherein a flange and an operating unit are arranged on each of two opposite inner sides of the second installation structure, a cantilever and a clamping hook are respectively arranged at front and rear ends of each of the operating units, when the rear ends of the operating units are pressed, the two cantilevers are driven to an open state;

wherein grooves corresponding to the flanges are respectively arranged on two sides of an outer edge of the transmitter, and slots corresponding to the cantilevers and the clamping hooks are respectively arranged at front and rear ends of the transmitter.

5. The analyte sensing system according to claim 2, wherein the third installation structure comprises multiple fixture blocks, and the sensor probe shell is arranged in a structure formed by the multiple fixture blocks.

6. The analyte sensing system according to claim 5, wherein a silica gel plug is arranged between the support mount and the sensor probe shell, and the silica gel plug is squeezed by the support mount and the sensor probe shell to form a sealed and waterproof structure.

7. The analyte sensing system according to claim 5, wherein the transmitter has a seal cavity configured to accommodate the sensor probe shell.

8. The analyte sensing system according to claim 5, wherein an electric conductor is arranged on the sensor probe shell, and the electric conductor is configured to:

after the sensor probe and the transmitter are coupled, contact a connecting device in the transmitter to produce a short signal for identifying a connection state of the sensor probe and the transmitter.

9. The analyte sensing system according to claim 2, wherein a slot is arranged on the support mount, a clamping hook corresponding to the slot is arranged on the safety lock, and an operating handle configured to control the clamping hook to separate from the slot is arranged on the safety lock.

10. The analyte sensing system according to claim 2, wherein the ejection mechanism comprises:

a first sliding block, comprising a hollow guide column which is vertically arranged, a needle bed parallel to the hollow guide column, and a first locking part located on an inner wall of the hollow guide column, wherein an ejection space is set in an interior of the hollow guide column;

a second sliding block corresponding to the first sliding block, comprising a second locking part locked with the first locking part, wherein the second locking part penetrates through the interior of the hollow guide column;

an inner spring located in the ejection space, wherein two ends of the inner spring resist against the first sliding block and the second sliding block, respectively, when the inner spring releases, the inner spring drives the first sliding block to rise;

an outer spring arranged circumferentially outside of the hollow guide column, wherein two ends of the outer spring resist against the second sliding block and baffles located in the inserter shell, respectively, when the outer spring releases, the outer spring drives the ejection mechanism to descend; and

a puncture needle, wherein a top end of the puncture needle is fixed inside of the needle bed, wherein the puncture needle has a puncture part, the puncture needle penetrates through the second sliding block and thus the puncture part extends outside of the second sliding block, when the outer spring releases, the puncture needle extends downwardly, and when the inner spring releases, the puncture needle is pulled upwardly.

11. The analyte sensing system according to claim 10, wherein the sensor probe comprises a sensing part configured to detect the analyte content in the human body and a connecting part connected to the transmitter, wherein the sensing part is arranged in the puncture part and is implanted subcutaneously with the aid of the puncture needle, wherein the puncture part is located at an end of the puncture needle, and the cross section of the puncture part is curved.

12. The analyte sensing system according to claim 10, wherein the button module comprises two buttons located on two opposite sides of the inserter shell, when the buttons are triggered, the outer spring and the inner spring are successively triggered to release, and the first locking part and the second locking part are released to be unlocked when either of the buttons is pressed.

13. The analyte sensing system according to claim 1, wherein the identity recognition module is located between the medical adhesive tape and the support mount, or embedded in the support mount.

14. The analyte sensing system according to claim 1, wherein a processor and a control circuit are embedded in the transmitter, and the receiver comprises a display screen, a control circuit and a processor.

15. The analyte sensing system according to claim 1, wherein the transmitter is configured to receive the analyte content information transmitted by the sensor probe, convert the analyte content information into a radio-frequency signal and output the radio-frequency signal.

16. The analyte sensing system according to claim 15, further comprising an automatic relay system configured to convert the radio-frequency signal into a 2G/3G signal, a Bluetooth signal or a wireless fidelity (WIFI) signal.

17. The analyte sensing system according to claim 16, wherein the automatic relay system further comprises an alarm apparatus.

18. The analyte sensing system according to claim 16, wherein the automatic relay system further comprises a display screen.

19. The analyte sensing system according to claim 1, wherein the identification module comprises a magnet on the support mount, and when the transmitter is arranged on the support mount, a chip in the transmitter and the magnet produce attraction to identify the connection state of the sensor probe and the transmitter;

or

where an electric conductor is arranged on the sensor probe shell, and when the sensor probe and the transmitter are coupled, the electric conductor contacts with a connecting component in the transmitter to produce a short signal to identify the connection state of the sensor probe and the transmitter.