Computerized medical diagnostic system utilizing list-based processing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-005/02
A61B-005/00
출원번호
US-0932190
(2007-10-31)
등록번호
US-8337409
(2012-12-25)
발명자
/ 주소
Iliff, Edwin C
출원인 / 주소
Clinical Decision Support LLC
대리인 / 주소
Suiter Swantz pc llo
인용정보
피인용 횟수 :
12인용 특허 :
222
초록▼
A system and method for providing computerized, knowledge-based medical diagnostic advice. The medical advice is provided to the general public over a network, such as a telephone network with the use of a telephone or the Internet with the use of an Internet access device. Alternatively, the medica
A system and method for providing computerized, knowledge-based medical diagnostic advice. The medical advice is provided to the general public over a network, such as a telephone network with the use of a telephone or the Internet with the use of an Internet access device. Alternatively, the medical advice can be provided to a patient in a stand-alone mode by use of a computer. The invention utilizes a list-based processing method of generating and executing diagnostic scripts. For the purpose of diagnosing a health problem of a patient, medical knowledge is organized into a list of the diseases to be considered. Each disease on the disease list includes a list of symptoms that is checked in a patient. Each symptom on the symptom list is then further described as a response to a list of one or more questions asked of the patient about the symptom. This triply-nested list structure is converted by suitable data structure transformations into a script that is stored. When a patient requires diagnosis, the script is played back as a sequence of questions. The responses of the patient are analyzed and converted into symptoms. The symptoms are accumulated into diseases. Finally the diseases are selected and reported as a diagnosis.
대표청구항▼
1. A computerized medical diagnostic method, comprising: a) storing a list of diseases in a data storage in a computer, wherein each disease is associated with a list of symptoms, and wherein each symptom is associated with a list of questions;b) obtaining medical information from a user through an
1. A computerized medical diagnostic method, comprising: a) storing a list of diseases in a data storage in a computer, wherein each disease is associated with a list of symptoms, and wherein each symptom is associated with a list of questions;b) obtaining medical information from a user through an interface connected to the computer;c) selecting, with a processor in the computer, a disease from the list of diseases based on the obtained medical information;d) selecting, with the processor in the computer, a symptom from the list of symptoms associated with the selected disease;e) asking, through an interface connected to the computer, at least one question from the list of questions associated with the selected symptom to obtain additional medical information from the user;f) determining, with a processor in the computer, whether or not a patient is to be diagnosed with the selected disease based upon the obtained medical information; andg) providing, through an interface connected to the computer, the results of the determining to the user. 2. The method of claim 1, additionally comprising repeating a)-f) until it is determined that a patient is to be diagnosed with one of the diseases in the list or until it is determined that the patient is not to be diagnosed with any of the diseases in the list. 3. The method of claim 1, wherein the user is the patient or a proxy or assistant thereto. 4. The method of claim 1, wherein the obtained medical information comprises a chief complaint. 5. The method of claim 1, wherein the list of questions comprises a single question. 6. The method of claim 1, wherein the list of diseases comprises a single disease. 7. The method of claim 1, further comprising storing the obtained medical information in a medical history database. 8. A computerized diagnostic method, comprising: storing a list of diseases on a storage of a computer, wherein each disease is associated with a list of symptoms, and wherein each symptom is associated with a list of questions;repetitively asking questions, with a processor of the computer, to elicit responses, wherein the responses establish symptoms;determining, with the processor of the computer, the probability that a patient has a given disease based on the established symptoms; anddeclaring a diagnosis, with the processor of the computer, based upon the determined probability. 9. The method of claim 8, wherein the determining the probability involves Bayesian analysis. 10. The method of claim 8, wherein the probability is represented by a weight. 11. The method of claim 8, wherein additional symptoms are established from previously established symptoms. 12. The method of claim 8, wherein the symptoms establish a syndrome. 13. The method of claim 8, wherein a single question establishes a symptom. 14. The method of claim 8, wherein a series of questions establishes more than one symptom. 15. The method of claim 8, wherein a symptom comprises lab or test results. 16. The method of claim 8, wherein the diagnosis comprises a single disease. 17. The method of claim 8, further comprising determining the probability that a patient has a second disease based on the established symptoms. 18. The method of claim 8, wherein the diagnosis comprises a differential diagnosis list. 19. A computerized diagnostic system, comprising: means for storing a list of diseases on a computer, wherein each disease is associated with a list of symptoms, and wherein each symptom is associated with a list of questions;means for repetitively asking questions to elicit responses, wherein the responses establish symptoms;means for determining the probability that a patient has a given disease based on the established symptoms; andmeans for declaring a diagnosis based upon the determined probability. 20. A computerized medical diagnostic system, comprising: a storage configured to store a list of diseases, wherein each disease is associated with a list of symptoms, and wherein each symptom is associated with a list of questions;a storage configured to store a script engine, which when executed repetitively asks questions, through an output unit, to elicit responses, wherein the responses establish symptoms, determines the probability that a patient has a given disease based on the established symptoms, anddeclares a diagnosis based upon the determined probability; and a processor configured to execute the script engine. 21. The system of claim 20, wherein the determining the probability involves Bayesian analysis. 22. The system of claim 20, wherein the probability is represented by a weight. 23. The system of claim 20, wherein additional symptoms are established from previously established symptoms. 24. The system of claim 20, wherein the diagnosis comprises a single disease. 25. The system of claim 20, wherein the diagnosis comprises a differential diagnosis list. 26. A computerized diagnostic system, comprising: a) means for storing a list of diseases on a computer, wherein each disease is associated with a list of symptoms, and wherein each symptom is associated with a list of questions;b) means for obtaining medical information from a user;c) means for selecting a disease from the list of diseases based on the obtained medical information;d) means for selecting a symptom from the list of symptoms associated with the selected disease;e) means for asking at least one question from the list of questions associated with the selected symptom to obtain additional medical information from the user;f) means for determining whether or not a patient is to be diagnosed with the selected disease based upon the obtained medical information; andg) means for providing the results of the determining to the user. 27. A computerized medical diagnostic system, comprising: a storage configured to store a list of diseases, wherein each disease is associated with a list of symptoms, and wherein each symptom is associated with a list of questions;a storage configured to store a script engine, which when executed a) requests medical information from a user through an output unit,b) obtains medical information from a user through an interface,c) selects a disease from the list of diseases based on the obtained medical information,d) selects a symptom from the list of symptoms associated with the selected disease,e) asks at least one question from the list of questions associated with the selected symptom to obtain additional medical information from the user,f) determines whether or not a patient is to be diagnosed with the selected disease based upon the obtained medical information, andg) provides the results of the determining to the user; anda processor configured to execute the script engine. 28. The system of claim 27, wherein the script engine, when executed, additionally repeats a)-f) until it is determined that a patient is to be diagnosed with one of the diseases in the list or until it is determined that the patient is not to be diagnosed with any of the diseases in the list. 29. The system of claim 27, wherein the user is the patient or a proxy or assistant thereto. 30. The system of claim 27, wherein the obtained medical information comprises a chief complaint. 31. The system of claim 27, wherein the list of questions comprises a single question. 32. The system of claim 27, wherein the list of diseases comprises a single disease. 33. The system of claim 27, further comprising a storage configured to store a medical history database of the obtained medical information.
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