Cables for patient monitoring and related systems and methods

• US 8,115,101 B2
• Filed: 04/29/2009
• Issued: 02/14/2012
• Est. Priority Date: 04/29/2009
• Status: Active Grant

• Current Assignee: Shenzhen Mindray Bio-Medical Electronics Co., Ltd. (Excelsior Union Ltd.)
• Original Assignee: Mindray DS USA Incorporated (Excelsior Union Ltd.)
• Inventors: Balji, Jack, Rajagopalan, Cadathur, Eaton, Scott, Petruzzelli, Joe
• Primary Examiner(s): Thompson, Timothy
• Assistant Examiner(s): Gonzalez, Hiram E
• Application Number:
  US12/432,558
• Publication Number:
  US 20100276195A1
• Time in Patent Office: 1,021 Days
• Field of Search: 174/75.C
• US Class Current: 174/75.C
• CPC Class Codes: A61B 2562/222 Electrical cables or leads therefor, e.g. coaxial cables or ribbon cables
• 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: G16H 40/63 for local operation
• CPC Class Codes: H01R 13/641 by indicating incorrect coupling; by indicating correct or full engagement
• CPC Class Codes: H01R 2201/12 for medicine and surgery

Abstract

Patient monitoring systems can include a cable for transmitting information from a patient parameter sensor to a monitor. The cable can include an electrical circuit that can store information regarding the cable and can communicate information to the monitor.

Claims

1. A patient monitoring system comprising:

a patient monitor comprising a first port, wherein the patient monitor is configured to process information received via the first port in any of two or more operational modes; and

a cable comprising;

a connector configured to couple with the first port;

an electrical interface configured to communicate with a patient parameter sensor;

a circuit configured to provide information regarding any of at least two operational states of the cable, wherein each operational state of the cable corresponds with a separate operational mode of the patient monitor; and

an actuator electrically coupled with the circuit, wherein the actuator is configured to transition the circuit among the at least two operational states,

wherein, for each operational state, the cable is configured to obtain information regarding a patient parameter from a patient sensor via the electrical interface and is configured to deliver the information to the patient monitor via the first port, and

wherein the circuit is configured to communicate an operational state of the cable to the patient monitor, such that selection of an operational state of the circuit via the actuator automatically causes the patient monitor to operate in the corresponding operational mode so as to process the information regarding the patient parameter.

2. The patient monitoring system of claim 1, wherein the circuit is configured to store information received from the patient monitor.

3. The patient monitoring system of claim 1, wherein the actuator is closer to the electrical interface than it is to the connector.

4. The patient monitoring system of claim 1, wherein the cable further comprises a display configured to provide a visually perceivable representation of a current operational state of the circuit.

5. The patient monitoring system of claim 2, wherein the patient monitor further comprises a second port and the connector is configured to separately couple with either the first port or the second port, wherein the monitor is configured to process information received via the second port in any of two or more operational modes, and wherein the monitor is configured to automatically process information received via the second port in an operational mode that corresponds with an operational state of the cable as communicated by the circuit.

6. The patient monitoring system of claim 1, wherein the cable comprises a communication lead coupled with the connector and the circuit, and wherein the circuit is configured to communicate an operational state of the cable to the patient monitor via the communication lead.

7. The patient monitoring system of claim 1, wherein the circuit comprises a wireless communicator, and wherein the circuit is configured to communicate an operational state of the cable to the patient monitor via the wireless communicator.

8. The patient monitoring system of claim 1, wherein the patient monitor comprises two or more data processing modules, and wherein one of the data processing modules is automatically selected for processing the information received from the cable based on the operational state of the cable.

9. The patient monitoring system of claim 1, further comprising a sensor connected to the electrical interface of the cable.

31. The patient monitoring system of claim 1, wherein the cable further comprises a communication lead extending between the connector and the electrical interface, wherein the communication lead bypasses the circuit so as not to be influenced thereby such that transition of the circuit from one operational state to another does not affect transmission of information along the communication lead.

10. A cable comprising:

a first connector configured to electrically couple with a patient monitor;

an electrical interface configured to communicate with a patient parameter sensor;

a cable body extending between the first connector and the electrical interface, the cable body comprising one or more leads that electrically couple the first connector with the electrical interface;

a circuit configured to transition among a plurality of operational states, wherein each operational state corresponds to a different sensor configuration; and

a first actuator electrically coupled with the circuit, wherein the first actuator is configured to be actuated so as to transition the circuit among the plurality of operational states,

wherein, in each of the plurality of operational states, the cable is configured to deliver information from the electrical interface to the first connector such that, when the electrical interface is coupled with a patient parameter sensor and the first connector is coupled with a patient monitor, the cable can transmit information obtained from the patient parameter sensor to the patient monitor; and

wherein the circuit is configured to communicate an operational state of the cable to the patient monitor, such that selection of an operational state of the circuit via the first actuator automatically causes the patient monitor to operate in the corresponding operational mode so as to process the information regarding the patient parameter.

11. The cable of claim 10, further comprising a display electrically coupled with the circuit.

12. The cable of claim 11, wherein the display comprises a screen that is configured to provide a textual representation of a current operational state of the circuit.

13. The cable of claim 11, wherein the display and the first actuator are attached to the cable body at a position that is closer to the electrical interface than it is to the first connector.

14. The cable of claim 10, further comprising a power lead extending between the first connector and the circuit, wherein the power lead is configured to deliver electrical power to the circuit when the first connector is coupled with a monitor.

15. The cable of claim 10, further comprising a communication lead extending between the first connector and the circuit, wherein the circuit is configured to communicate with a monitor via the communication lead when the first connector is connected to the monitor.

16. The cable of claim 10, wherein the circuit comprises a wireless communicator configured to transmit information regarding the operational state of the circuit.

17. The cable of claim 10, wherein the circuit comprises a memory configured to store therein information regarding the cable that is received from a patient monitor via the first connector.

18. The cable of claim 10, further comprising a second actuator electrically coupled with the circuit, wherein actuation of one of the first and second actuators or actuation of a combination of the first and second actuators is configured to effect a change other than a transition among the operational states of the circuit.

19. The cable of claim 18, wherein said change other than a transition among the operational states of the circuit comprises one or more of zeroing a patient parameter sensor that is coupled with the electrical interface, instigating a measurement of blood pressure via a noninvasive blood pressure sensor that is coupled with the electrical interface, instigating a diagnostic check of the cable, accessing information stored in a memory portion of the circuit, altering information stored in a memory portion of the circuit, erasing information stored in a memory portion of the circuit, and storing information in a memory portion of the circuit.

20. The cable of claim 10, further comprising a communication lead extending between the electrical interface and the first connector, wherein the communication lead bypasses the circuit so as not to be influenced thereby such that transition of the circuit from one operational state to another does not affect transmission of information along the communication lead.

21. The cable of claim 10, wherein the electrical interface comprises a second connector configured to electrically couple with a patient parameter sensor.

22. The cable of claim 10, wherein the electrical interface comprises one or more ends of the one or more leads.

23. The cable of claim 10, further comprising a patient parameter sensor permanently coupled with the electrical interface.

24. The cable of claim 23, wherein the patient parameter sensor comprises one of a pressure transducer, a temperature sensor, and an electrocardiogram electrode.

25. The cable of claim 10, wherein said sensor configuration corresponds with a position of a probing structure relative to a patient.

26. A cable comprising:

a connector configured to electrically couple with a patient monitor;

an electrical interface configured to communicate with a pressure transducer;

a cable body extending between the first connector and the electrical interface, the cable body comprising one or more leads that electrically couple the first connector with the electrical interface;

a circuit configured to transition among a two or more operational states, wherein the connector is electrically coupled with the electrical interface such that, in each of the two or more operational states, information obtained from the pressure transducer via the electrical interface is delivered to the connector; and

an actuator electrically coupled with the circuit, wherein the actuator is attached to the cable body at a position that is closer to the electrical interface than it is to the connector, and wherein the circuit is configured to zero a patient monitor relative to a pressure transducer when the cable is connected with both the patient monitor and the pressure transducer and the actuator is actuated,

wherein the circuit is configured to communicate an operational state of the cable to the patient monitor, such that selection of an operational state of the circuit via the actuator automatically causes the patient monitor to operate in the corresponding operational mode so as to process the information regarding the patient parameter.

32. The cable of claim 26, further comprising an additional actuator electrically coupled with the circuit, wherein the additional actuator is configured to transition the circuit among the operational states.

27. A cable comprising:

a connector configured to electrically couple with a patient monitor;

an electrical interface configured to communicate with a noninvasive blood pressure sensor;

a cable body extending between the first connector and the electrical interface, the cable body comprising one or more leads that electrically couple the first connector with the electrical interface;

a circuit configured to transition among a two or more operational states, wherein the connector is electrically coupled with the electrical interface such that, in each of the two or more operational states, information obtained from the noninvasive blood pressure sensor via the electrical interface is delivered to the connector; and

an actuator electrically coupled with the circuit, wherein the actuator is attached to the cable body at a position that is closer to the electrical interface than it is to the connector, and wherein the circuit is configured to instigate measurement of blood pressure via the noninvasive blood pressure sensor upon actuation of the actuator,

wherein the circuit is configured to communicate an operational state of the cable to the patient monitor, such that selection of an operational state of the circuit via the actuator automatically causes the patient monitor to operate in the corresponding operational mode so as to process the information regarding the patient parameter.

33. The cable of claim 27, further comprising an additional actuator electrically coupled with the circuit, wherein the additional actuator is configured to transition the circuit among the operational states.

28. A cable comprising:

a connector configured to electrically couple with a patient monitor;

an electrical interface configured to communicate with a patient parameter sensor;

a cable body extending between the first connector and the electrical interface;

a circuit configured to transition among a two or more operational states, wherein the connector is electrically coupled with the electrical interface such that, in each of the two or more operational states, information obtained from the patient parameter sensor via the electrical interface is delivered to the connector;

a screen electrically coupled with the circuit, wherein the screen is configured to provide a visually perceivable display based on information received from the circuit; and

one or more actuators coupled with the circuit, wherein actuation of the one or more actuators is configured to change the visually perceivable display provided by the screen and is configured to transition the circuit among the two or more operational states,

wherein the circuit is configured to communicate an operational state of the cable to the patient monitor, such that selection of an operational state of the circuit via the one or more actuator automatically causes the patient monitor to operate in the corresponding operational mode so as to process the information regarding the patient parameter.

29. The cable of claim 28, wherein the circuit further comprises a memory, wherein the actuator is configured to cause information stored in the memory to be displayed via the screen.

30. The cable of claim 28, wherein said information comprises data regarding one or more of a manufacturer of the cable, a date of manufacture of the cable, a date of first operation of the cable, a most recent period of active usage of the cable, a cumulative total time of active usage of the cable, an expiration date of the cable, settings from previous uses of the cable, scale settings of a patient parameter monitored via the cable, alarm limits, and a patient with whom the cable is used.