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Virtual medical instrument for performing medical diagnostic testing on patients
| Details |
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Inventors: Swenson, Michael R.; Holland, Gregory R.;
Assignee: CMeD, Inc. (Irvine, CA)
Primary Examiner: Sykes; Angela D.
Assistant Examiner: Winakur; Eric F.
Attorney, Agent or Firm: Lambert; Howard R.
A virtual medical instrument (VMI) system comprises data storage for storing input diagnostic test protocols for two or more of EEG, EKG, EMG/NCV, PFT, CMG, EP, ENG, visual acuity, visual field, limb dynometric and audiogram testing. The VMI system includes a universal interface having a number of electrical contacts and sets of electrical conduits associated with the different stored diagnostic test protocols. A selector enables a system user to select any one of the stored diagnostic test protocols for conducting on a patient. The system is constructed to enable the selected diagnostic test protocol to be performed on a patient after the corresponding set of electrical conduits are connected to the universal interface contacts and to the patient. Further included is an electrical signal generator connected to the universal interface for providing electrical signals to the patent if such electric signals are required by the selected test protocol. Electrical signals are received by the system through the electrical conduits connected to the universal interface from a patient and an output corresponding to the received electrical signals is provided, the output including one or more of strip chart printer, conventional printer, modem, computer diskette, audio recorder and video recorder. |
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DETAILED DESCRIPTION In accordance with the present invention, a virtual medical instrument system enables the selective performing on patients of one or more of a plurality of different, medical diagnostic tests.
The system includes information (data) storage means for storing the plurality of diagnostic test protocols which include at least two, and preferably all of the following diagnostic test protocols: EEG, EKG, EMG/NCV, PFT, CMG, EP, ENG, visual acuity, visual field, limb dynamometry and audiogram.
Included in the system are means for inputting information into the information storage means and a universal interface having a number of electrical contacts.
Selecting means are connected to the information storage means for enabling a user of the system to select any one of the plurality of different stored patient diagnostic test protocols for conducting the tests on a patient.
Selecting any one of the stored diagnostic test protocols automatically determines and selects a corresponding set of electrical conduits to be connected to particular contacts of the universal interface.
Included in the system are operating means for causing the selected diagnostic test protocol, and only that test protocol, to be performed on a patient after the corresponding set of electrical conduits are connected to the universal interface contacts and to a patient on which the selected diagnostic test protocol is to be performed.
Further included in the system are means connected for receiving electrical signals through the set of electrical conduits connected to said universal interface contacts from a patient undergoing the selected diagnostic test.
Preferably the receiving means include a preamplifier connected to or within the universal interface for amplifying one or more of the electrical signals received from the patient undergoing the selected diagnostic test.
Associated with the receiving means are means for generating and providing a detectable output corresponding to the received electrical signals from the patient undergoing the diagnostic test, the output means including at least one, and preferably more than one, of the following: strip chart printer, conventional printer, modem, computer diskette, audio recorder and video recorder
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Communications 
