Medical device

• US 6,626,355 B2
• Filed: 02/07/2001
• Issued: 09/30/2003
• Est. Priority Date: 02/07/2000
• Status: Expired due to Term

• Current Assignee: W.O.M. World Of Medicine Gmbh (Novanta Inc.)
• Original Assignee: W.O.M. World Of Medicine Gmbh (Novanta Inc.)
• Inventors: Stiller, Matthias, Sasse, Joachim
• Primary Examiner(s): Lee, Michael G.
• Assistant Examiner(s): PAIK, STEVEN SANGYUL
• Application Number:
  US09/778,615
• Publication Number:
  US 20010020148A1
• Time in Patent Office: 965 Days
• Field of Search: 235/375, 235/382, 235/441, 235/449, 235/451, 235/492, 235/493, 604/34
• US Class Current: 235/375
• CPC Class Codes: A61M 1/72 Cassettes forming partially or totally the fluid circuit
• CPC Class Codes: A61M 1/82 Membrane pumps, e.g. bulbs
• CPC Class Codes: A61M 2205/12 with interchangeable cassettes forming partially or totally the fluid circuit
• CPC Class Codes: A61M 2205/273 preventing reuse, e.g. of disposables
• 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 2205/50 with microprocessors or computers
• CPC Class Codes: A61M 2205/6054 Magnetic identification systems
• CPC Class Codes: A61M 3/0201 Cassettes therefor
• CPC Class Codes: A61M 3/0258 by means of electric pumps
• CPC Class Codes: F04B 43/1253 by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
• CPC Class Codes: F04B 49/065 and making use of computers

Abstract

A medical device with a medical apparatus (2) includes an accessory port, and with at least one accessory piece (1) having a connection element that is complementary to the accessory port. The connection element includes a storage unit where coded identification information is stored. With accessory piece (1) connected to device (2) coded or un-coded identification information is readable by a readout unit disposed in the section of the accessory port. In the case of reading coded identification information, de-codable, read-out and de-coded identification information is compared to identification information stored in readout unit. The medical device is activated when the identification information matches the desired identification information. The device is blocked when the identification information does not match. The coded identification information is de-coded by means of a proprietary key code.

Claims

1. A medical device comprising a medical apparatus comprising an accessory port, and at least one accessory piece comprising a connection element being complementary to said accessory port, the connection element comprising a storage unit wherein coded identification information is stored, wherein, if the accessory piece is connected to the device, coded or un-coded identification information is readable from the storage unit by means of a readout unit located at or in the vicinity of said accessory port and, in the case of reading coded identification information that is de-codable, read-out and de-coded identification information is compared to preset valid identification information stored in readout unit, and wherein the medical device is activated if the identification information is at last partly matching the preset valid identification information, and is blocked if the identification information does not match, and wherein coded identification information is de-coded by means of a proprietary key code prior to comparison with the preset valid identification information.

2. A device according to claim 1, wherein decoding of identification information is achieved by the readout unit transmitting the key code to the storage unit, and that storage unit enabling the identification information in an un-coded manner for readout, if the transmitted key code matches a key code stored in the storage unit.

3. A device according to claim 1, wherein decoding of identification information is achieved by that readout unit transmitting the key code to the storage unit and that in the storage unit a transformation of the coded identification information into un-coded identification information is performed by means of the key code.

4. A device according to claim 1, wherein decoding of identification information is achieved by the coded identification information being read out from storage unit, and in readout unit a transformation of the coded identification information into un-coded identification information is performed by means of the key code.

5. A device according to claim 1, wherein the key code is selected from the group including a fixed code, a changing code, a sequential changing code, a stochastic changing code, and combination a fixed code, a changing code, a sequential changing code, a stochastic changing code.

6. A device according to claim 1, wherein the storage unit includes a transponder and the readout unit includes a transponder scanning transceiver.

7. A device according to claim 6, wherein a transmission of information between the transponder and the transponder scanning transceiver takes place by mans of electro-magnetic waves or inductively or capacitively or galvanically.

8. A device according to claim 5, wherein, with the transmission of information from transponder scanning transceiver to the transponder, the power required for operating transponder is also transmitted.

9. A device according to claim 1, wherein the storage unit is configured as a passive storage unit with a magnetic strip.

10. A device according to claim 1, wherein the medical apparatus is a sucking and/or rinsing pump or a gas supply system for the fields arthroscopy, dialysis, hyteroscopy, cystoscopy, laparoscopy and breathing technologies, wherein the accessory piece is a hose set for the connection of the medical device to a medical instrument.

11. A medical device comprising:

a medical apparatus with an accessory connection;

an accessory piece with a connection element complementary to said accessory connection;

a code storage associated with said accessory piece, said code storage having a code stored therein;

a readout unit located at or in the vicinity of said accessory connection, said readout unit reading a code from said code storage unit;

a code de-encryption device and control connected to one of said readout unit and said storage unit for de-encryption of the code stored in said storage unit based on de-encryption key and for comparing the de-encryption of the code with preset valid information and for sending at least one of a blocking or unblocking signal depending upon the result of the comparing of the de-encryption of the code with the preset valid information;

an operative device associated with one of said medical apparatus and said accessory connection for responding to said blocking or unblocking signal to prevent the accessory piece or medical apparatus from operating where the compared de-encryption of the code and the preset valid information do not provide a preset result.

12. A device according to claim 11, wherein the de-encryption key is stored in the storage unit with the stored code.

13. A device according to claim 11, wherein de-encryption of the stored code occurs after reading out the encrypted code from the storage unit, and in the readout unit the encrypted code is de-encrypted.

14. A method for operating a medical device including a medical apparatus with an accessory connection part and an accessory piece that is complementary to the accessory connection part, the method comprising:

providing the accessory piece with a storage unit having a code;

providing the accessory connection part with a read out device;

providing a control unit operatively connected to the medical apparatus or the accessory piece for enabling operation or disabling operation of one or more of the medical apparatus and the accessory piece;

providing a decoder for decoding the stored code based on a code key;

de-coding the stored code using the code key and the decoder; and

controlling the operation with the control unit based on the decoding, wherein the code is one of stored in the storage unit or is associated with the decoder.

15. A method for operating a device according to claim 14, the method comprising:

in the case of reading coded identification information that is de-codable, comparing read-out and de-coded identification information to preset valid identification information stored in readout unit;

activating the medical device if the identification information is at last partly matching the preset valid identification information;

blocking the medical device if the identification information does not match;

de-coding a coded identification information using a proprietary key code prior to comparison with the preset valid identification information.

16. A method according to claim 15, further comprising providing a program coding for the functions of the storage unit.

17. A method according to claim 15, further comprising providing a program coding for the functions of the readout unit.