Tube nozzle for a respirator

• US 8,265,555 B2
• Filed: 11/19/2009
• Issued: 09/11/2012
• Est. Priority Date: 12/16/2008
• Status: Active Grant

• Current Assignee: Dragerwerk AG & Company KGaA (FPS Vermögensverwaltung GmbH)
• Original Assignee: Drager Medical GmbH (FPS Vermögensverwaltung GmbH)
• Inventors: Steeger, Markus, Wotha, Gerd, Gertz, Mark Oliver
• Primary Examiner(s): Dao, Minh D
• Application Number:
  US12/621,861
• Publication Number:
  US 20100151785A1
• Time in Patent Office: 1,027 Days
• Field of Search: 455/41.1, 455/41.2, 455/193.2, 455/319, 455/292, 455/318, 455/197.2, 607/61, 607/33, 607/116, 600/410, 600/423
• US Class Current: 455/41.1
• CPC Class Codes: A61M 16/0816 Joints or connectors
• CPC Class Codes: A61M 16/0875 Connecting tubes
• CPC Class Codes: A61M 2039/1005 Detection of disconnection
• CPC Class Codes: A61M 2039/1022 additionally providing electrical connection
• CPC Class Codes: A61M 2205/3569 sublocal, e.g. between console and disposable
• CPC Class Codes: A61M 2205/3592 using telemetric means, e.g. radio or optical transmission
• CPC Class Codes: A61M 2205/52 with memories providing a history of measured variating parameters of apparatus or patient
• CPC Class Codes: A61M 2205/6018 providing set-up signals for the apparatus configuration
• CPC Class Codes: A61M 2205/6054 Magnetic identification systems
• CPC Class Codes: A61M 2205/702 automatically during use
• CPC Class Codes: A61M 39/12 for joining a flexible tube to a rigid attachment

Abstract

A coupling device (1) is provided, especially a tube nozzle (2), for a medical device (3), especially a respirator (4), for the mechanical and electromagnetic coupling of the medical device (3) with the accessory (6), especially a tube system (19). The device includes a mechanical device for coupling the medical device (3) with the accessory (6), at least one inductance (8), at least one capacitance (12) and at least one electric line (18) for forming an electric circuit as a resonant circuit for the electromagnetic coupling of an inductance (8) at the medical device (3) with an inductance (8) at the accessory (6). The coupling device (1) is able to be checked for trouble-free operation without the accessory (6). The coupling device (1) is able to be manufactured at a low cost and make safe and reliable handling possible. The coupling device (1) has a semiconductor chip (16) for storing and/or processing at least one piece of information and/or for sending and/or receiving at least one signal.

Claims

1. A coupling device for a medical device for a mechanical and electromagnetic coupling of the medical device, having a medical device inductance associated with the medical device, with an accessory, having an accessory inductance associated with the accessory, the coupling device comprising:

a mechanical coupling means for mechanically coupling the medical device with the accessory;

an electromagnetic coupling means for electromagnetic coupling the medical device with the accessory, the electromagnetic coupling means including an inductance, a capacitance and an electric line for forming an electric circuit as a resonant circuit for magnetically coupling the medical device inductance with the accessory inductance; and

a semiconductor chip for storing and/or processing at least one piece of information and/or for sending and/or receiving at least one signal.

2. A coupling device in accordance with claim 1, wherein the semiconductor chip is an RFID semiconductor chip and/or the coupling device comprises an RFID transponder.

3. A coupling device in accordance with claim 1, wherein the medical device inductance is arranged in an area of the medical device and the accessory inductance is arranged in an area of the accessory.

4. A coupling device in accordance with claim 1, wherein the capacitance comprises two capacitances and the semiconductor chip is electrically connected to the electric circuit acting as a resonant circuit by means of said two capacitances to supply the semiconductor chip with electric energy.

5. A coupling device in accordance with claim 4, wherein the semiconductor chip, one said inductance and an electric line form a second electric circuit acting as a resonant circuit.

6. A coupling device in accordance with claim 1, wherein the coupling device comprises a tube nozzle.

7. A coupling device in accordance with claim 1, wherein the medical device is a respirator and/or the accessory is a tube system.

8. A medical system comprising:

a medical device with a medical device inductance for generating an electromagnetic field and a writing and/or reading module;

an accessory with an accessory inductance for generating an electromagnetic field and a semiconductor chip; and

a coupling device for mechanically and electromagnetically coupling the medical device with the accessory, the coupling device comprising a mechanical coupling means for mechanically coupling the medical device with the accessory, a coupling device inductance, a capacitance and an electric line to form an electric circuit as a resonant circuit for the electromagnetic coupling of the inductance at the medical device with the inductance at the accessory and with a semiconductor chip for storing and/or processing at least one piece of information and/or for sending and/or receiving at least one signal.

9. A system in accordance with claim 8, wherein:

the coupling device is a tube nozzle;

the medical device is a respirator; and

an operatability of the coupling device is detected by the medical device by means of the semiconductor chip in the coupling device.

10. A system in accordance with claim 8, wherein:

the accessory is a tube system; and

an operatability of a communication between the medical device and the accessory is detected by the medical device by means of the semiconductor chip in the coupling device.

11. A process for detecting a state of a coupling device, the process comprising the steps of:

providing a medical device with a medical device inductance for generating an electromagnetic field and a writing and/or reading module;

providing an accessory with an accessory inductance for generating an electromagnetic field, with an accessory capacitance and an accessory electric line providing an accessory resonant circuit as an accessory electric circuit with an accessory semiconductor chip;

providing a coupling device for mechanically and electromagnetically coupling the medical device with the accessory, the coupling device comprising a mechanical coupling means for mechanically coupling the medical device with the accessory, a coupling device inductance, a capacitance and an electric line to form an electric circuit as a resonant circuit for the electromagnetic coupling of the inductance at the medical device with the inductance at the accessory and with a semiconductor chip for storing and/or processing at least one piece of information and/or for sending and/or receiving at least one signal;

generating the magnetic field from the medical device;

inducing electric current in the resonant circuit by means of the energy from the magnetic field of the medical device;

generating the electromagnetic field from the coupling device by means of the resonant circuit thereof;

inducing electric current in the accessory resonant circuit in the accessory;

sending at least one piece of information and/or at least one signal from the medical device to the accessory and/or vice versa by means of the generated and induced electromagnetic field; and

storing and/or processing at least one piece of information and/or receiving and/or sending a signal from the semiconductor chip in the coupling device.

12. A process in accordance with claim 11, wherein the at least one piece of information and/or the at least one signal is transmitted in a wireless manner from the semiconductor chip with the resonant circuit in the coupling device to the medical device and/or vice versa by an electromagnetic field or by the electromagnetic field.

13. A process in accordance with claim 11, wherein after the magnetic field has been sent from the medical device, the coupling device sends at least one signal, especially with an identification code and/or with at least one piece of information, to the medical device and the sending of the at least one signal to the medical device is interpreted to mean that trouble-free communication between the medical device and the coupling device and/or the accessory is possible and/or the coupling device is operative.

14. A process in accordance with claim 11, wherein after the magnetic field has been sent from the medical device, the coupling device sends no signal to the medical device and the lack of sending of the signal to the medical device is interpreted to mean that trouble-free communication between the medical device and the coupling device and/or the accessory is not possible and/or the coupling device is not operative.

15. A process in accordance with claim 11, wherein:

the coupling device is a tube nozzle;

the medical device is a respirator; and

an operatability of the coupling device is detected by the medical device by means of the semiconductor chip in the coupling device.

16. A process in accordance with claim 15, wherein:

the accessory is a tube system; and

an operatability of a communication between the medical device and the accessory is detected by the medical device by means of the semiconductor chip in the coupling device.