Web-enabled portable medical device

• US 8,971,958 B2
• Filed: 10/10/2007
• Issued: 03/03/2015
• Est. Priority Date: 04/11/2005
• Status: Active Grant

• Current Assignee: Roche Diabetes Care Inc. (Roche Holding AG)
• Original Assignee: Roche Diagnostics International AG (Roche Holding AG)
• Inventors: Frikart, Marcel, Jungen, Markus
• Primary Examiner(s): Sorowar, Golam
• Application Number:
  US11/870,216
• Publication Number:
  US 20080091175A1
• Time in Patent Office: 2,701 Days
• Field of Search: 455/556.1, 600/300, 600/121, 600/131, 705/2, 705/3, 705/75, 709/203, 709/218
• US Class Current: 455/556.1
• CPC Class Codes: A61M 2205/3569 sublocal, e.g. between console and disposable
• CPC Class Codes: A61M 2205/3584 using modem, internet or bluetooth
• CPC Class Codes: A61M 5/14244 adapted to be carried by the patient, e.g. portable on the body
• CPC Class Codes: A61M 5/14276 specially adapted for implantation
• CPC Class Codes: A61M 5/178 Syringes
• CPC Class Codes: G16H 20/17 delivered via infusion or injection
• CPC Class Codes: G16H 40/67 for remote operation
• CPC Class Codes: H04L 63/061 for key exchange, e.g. in peer-to-peer networks cryptographic mechanisms or cryptographic arrangements for key agreement H04L9/0838

Abstract

A portable personal medical device, e.g., a wearable insulin pump, is provided with a web server and is controllable over a network by a browser equipped client, thereby enabling comprehensive and comfortable control, operation and/or configuration of the device.

Claims

1. A portable, wearable, implantable, or semi-implantable medical device for use with a web based wireless network, the medical device comprising:

a housing;

a device control unit provided within the housing which controls the medical device;

a wireless web enabler unit provided within the housing; and

a wireless interface control unit provided in the housing and comprising a receiver and a transmitter for receiving and transmitting data wirelessly, wherein;

the web enabler unit is coupled to the wireless interface control unit and coupled to the medical device control unit,

the wireless interface control unit and the web enabler unit connect the medical device control unit to the web based wireless network, and

the web enabler unit is a wireless web server which;

serves at least one configuration web page that allows a browser-equipped client that is connected to the medical device via the web based wireless network to change configuration settings of the medical device control unit in response to a client interaction with the at least one configuration web page, and

serves at least one operation mode web page that allows a browser-equipped client that is connected to the medical device via the web based wireless network to change the operation of the medical device control unit in response to a client interaction with the at least one operation web page.

2. A medical device according to claim 1, wherein the medical device is an infusion device for continuously providing medication to a patient carrying the device.

3. A medical device according to claim 2, wherein the infusion device is an insulin pump.

4. A medical device according to claim 1, wherein the medical device is a glucose measurement device of the intermittent stripe measurement type.

5. A medical device according to claim 1, wherein the medical device is a glucose measurement device of the continuous measurement type.

6. A medical device according to claim 1, wherein the medical device is for delivering a liquid in doses.

7. A medical device according to claim 1, wherein the wireless web enabler unit is adapted to work with an application layer control protocol over at least one of TCP, UDP, and TCP and UDP over the internet protocol (IP).

8. A medical device according to claim 1, wherein the wireless web enabler unit is configured to communicate using a network protocol comprising at least one of HTTP, HTTPS, FTP, NTP, SMTP, POP3, Telnet, DNS, SNMP, RIP, IPFIX for applications based on client or server services using at least one of the network protocols.

9. A medical device according to claim 1, wherein the wireless web enabler unit is configured as a web client to use an internet service from a server via the wireless network.

10. A medical device according to claim 1, wherein the wireless web enabler unit is configured as an email service device to allow the medical device to communicate using an email message.

11. A medical device according to claim 1, wherein the wireless web enabler unit is configured as one of a NTP, SNTP, and DTP client to query a time server.

12. A medical device according to claim 1, wherein the wireless interface control unit is configured to communicate using RF technology.

13. A medical device according to claim 12, wherein the wireless interface control unit is configured to communicate using Bluetooth®

technology.

14. A medical device according to claim 13, wherein the wireless interface control unit is configured to communicate using a “

Bluetooth PAN”

profile (TCP/IP over Bluetooth with BNEP).

15. A medical device according to claim 12, wherein the wireless interface control unit is configured to communicate using one of ZigBee, RFID, HomeRF, WLAN, UWB, and NFC.

16. A medical device according to claim 1, wherein the wireless interface control unit is configured to communicate using infrared beams.

17. A medical device according to claim 1, wherein the wireless web enabler unit is based on a single processor.

18. A medical device according to claim 1, wherein the wireless interface control unit is setup on two or more different processors.

19. A medical device according to claim 1, wherein the wireless web enabler unit further comprises an interface between the web enabler unit and the medical device control unit.

20. A medical device according to claim 19, wherein the interface generates commands for the medical device control unit according to data received from the web enabler unit.

21. A medical device according to claim 19, wherein the interface generates data for the web enabler unit according to commands received from the medical device control unit.

22. A medical device according to claim 1, wherein the wireless web enabler unit is configured to prevent data interchange with an unauthorized device using the wireless network.

23. A medical device according to claim 1, wherein the wireless web enabler unit is configured to use secure communication using at least one of VPN, IPsec, SSH (Secure Shell), and SSL (Secure Sockets Layer) protocols.

24. A method for controlling over a web based wireless network a portable, wearable, implantable, or semi-implantable medical device comprising a housing, a device control unit within the housing adapted to control the medical device, a wireless web enabler unit provided within the housing, a wireless interface control unit provided with the housing and comprising a receiver and a transmitter for receiving and transmitting data wirelessly, wherein the web enabler unit is coupled to the wireless interface control unit and coupled to the medical device control unit, wherein the wireless interface control unit and web enabler unit are configured to connect the medical device control unit to the web based wireless network so that the medical device is wirelessly web enabled, wherein the wireless web enabler unit is configured as a web server, the method comprising:

serving at least one configuration web page using the wireless web enabler unit that allows a browser-equipped client that is connected to the medical device via the web based wireless network to change configuration settings of the medical device control unit in response to a client interaction with the at least one configuration web page, and

serving at least one operation mode web page using the wireless web enabler unit that allows a browser-equipped client that is connected to the medical device via the web based wireless network to change the operation of the medical device control unit in response to a client interaction with the at least one operation mode web page.

25. A method according to claim 24 wherein the medical device is an insulin pump and the enabled configuration change via the network comprises at least one of insulin pump parameter settings change, insulin pump basal rate change, and insulin pump time and date settings change.

26. A method according to claim 24, further comprising transferring data stored in the medical device control unit to the browser-equipped client in response to a client interaction with the at least one web page.

27. A method according to claim 26 wherein the medical device is at least one of an insulin pump or a blood glucose measurement device and the data comprises at least one of history read-out, firmware version, and status information.

28. A method according to claim 24, further comprising preventing data interchange with an unauthorized client.

29. A method according to claim 24, wherein the browser-equipped client is one of a cell phone, a smart phone, a personal digital assistant (PDA), a laptop computer, a tablet computer (tablet PC), and a desktop computer.

30. A method according to claim 24, wherein the medical device is one of an insulin pump or a blood glucose measurement device, and the network is at least one of a wireless personal, wireless local, and wireless wide area network.

31. A method according to claim 24, wherein the network is a Bluetooth®

personal area network (PAN), and the medical device comprises at least one of a group network (GN) and a personal area network user (PANU), and the browser-equipped client comprises at least one of a personal area network user (PANU), a group network (GN) and a network access point (NAP).

32. A method for controlling a portable, wearable, implantable, or semiimplantable medical device, comprising:

a housing, a device control unit within the housing adapted to control the medical device, and a wireless web enabler unit within the housing comprising;

i. a wireless interface control unit comprising a receiver and a transmitter for receiving and transmitting data wirelessly; and

ii. a web enabler unit coupled to the wireless interface control unit and coupled to the medical device control unit,

wherein the wireless interface control unit and web enabler unit are configured to connect the medical device control unit to a web based wireless network so that the medical device is wirelessly web enabled, wherein the web enabler unit is configured as a web server to serve at least one web page to a browser-equipped client via the wireless network;

the method comprising;

connecting to the medical device via the wireless network using the browser-equipped client;

serving at least one configuration web page from the medical device to the browser-equipped client;

changing configuration settings of the medical device control unit via the web based wireless network in response to a client interaction of the browser-equipped client with the at least one configuration web page;

serving at least one operation mode web page from the medical device to the browser-equipped client; and

changing the operation of the medical device control unit via the web based wireless network in response to a client interaction of the browser-equipped client with the at least one operation mode web page.

33. A method according to claim 32 wherein the medical device is at least one of an insulin pump or a blood glucose measurement device and the controllable functions comprise at least one of bolus delivery, bolus read-out, basal profile change, basal read-out, pump mode change, pump mode read-out, status output, blood glucose measurement value output, and blood glucose measurement value readout.

34. A method according to claim 32, further comprising sending operation information from the medical device control unit to the browser-equipped client without a client interaction with the at least one web page.

35. A method according to claim 34 wherein the medical device is an insulin pump and the operation information includes at least one of alarm output and basal-rate-change output.

36. A method according to claim 32, further comprising preventing data interchange with an unauthorized client.

37. A method according to claim 32 wherein the browser-equipped client is one of a cell phone, a smart phone, a personal digital assistant (PDA), a laptop computer, a tablet computer (tablet PC), and a desktop computer.

38. A method according to claim 32 wherein the network is at least one of a wide area network and wireless wide area network (WAN/WWAN).

39. A method according to claim 32 wherein the network is a Bluetooth®

personal area network (PAN), and the medical device comprises at least one of a group network (GN) and a personal area network user (PANU), and the browser-equipped client comprises at least one of a personal area network user (PANU), a group network (GN) and a network access point (NAP).

40. A method according to claim 32 wherein a blood glucose value is uploaded web-based from a blood glucose measurement device to an insulin pump.

41. A method according to claim 32 wherein data of at least one of a blood glucose meter and an insulin pump is web-based stored and retrieved centrally in a central storage media.

42. A method according to claim 32, wherein the medical device provides itself with at least one of time and date by interrogating a time server.

43. A medical device according to claim 32, wherein the medical device represents a group network and the browser-equipped client represents a personal area network user or the medical device represents a personal area network user and the browser-equipped client represents a group network or a network access point.

44. An insulin pump providing different levels of configuration access for a medical personnel access group and a patient access group to the insulin pump over a web based wireless network, the insulin pump comprising:

a housing;

a web enabler unit provided within the housing;

a device control unit provided within the housing which controls the insulin pump; and

a wireless interface control unit which comprises a receiver and a transmitter that receives and transmits data wirelessly, wherein;

the web enabler unit is coupled to the wireless interface control unit and coupled to the device control unit,

the web enabler unit provides a web server, and

the wireless interface control unit and web enabler unit connect the device control unit to the web based wireless network so that the web server of the web enabler unit;

serves at least one operation mode web page to a browser-equipped client that is connected to the insulin pump over the wireless network that allows operation of the insulin pump control unit to be changed in response to a client interaction of the browser-equipped client with the at least one operation web page, and

serves at least one configuration web page to a browser-equipped client that is connected to the insulin pump over the wireless network, wherein if the browser-equipped client is an authorized user of the medical access group, then the authorized user may change configuration settings of the insulin pump control unit in response to a client interaction of the browser-equipped client with the at least one configuration web page.

45. An insulin pump according to claim 44, wherein if the browser-equipped client is an authorized user of the patient access group, then the authorized user may change a limited number of the configuration settings of the insulin pump control unit in response to a client interaction of the browser-equipped client with the at least one configuration web page.