Apparatus and method for use in analyzing a patient'S bowel
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-005/00
A61B-005/117
A61B-005/103
A61M-031/00
A61B-005/03
A61B-005/055
A61M-013/00
A61B-006/03
출원번호
US-0459365
(2014-08-14)
등록번호
US-10092234
(2018-10-09)
발명자
/ 주소
Vining, David J
출원인 / 주소
UNIVERSITY OF MARYLAND, BALTIMORE
대리인 / 주소
Piper, Jr., Donald R.
인용정보
피인용 횟수 :
0인용 특허 :
142
초록▼
An apparatus and method are provided for use in studying a patient's bowel which combines recording and analysis of physiologic parameters and patient sensory perception. A pain input detector, a pain transducer, and a processor are provided. A gas pressure transducer and flow meter may also be prov
An apparatus and method are provided for use in studying a patient's bowel which combines recording and analysis of physiologic parameters and patient sensory perception. A pain input detector, a pain transducer, and a processor are provided. A gas pressure transducer and flow meter may also be provided. Output data may be generated to reflect perceived patient pain, volume of gas delivered to the patient's bowel, and bowel pressure. An indication of perceived patient pain is processed by the processor to generate data that may used to validate a scan of a patient or may be used as a diagnostic tool.
대표청구항▼
1. An apparatus configured to prepare a patient's colon for insufflation and scanning, the apparatus comprising: a pressure transducer configured to detect a pressure level of gas within a patient's colon;a flow meter configured to detect a volume level of gas delivered to the patient's colon;circui
1. An apparatus configured to prepare a patient's colon for insufflation and scanning, the apparatus comprising: a pressure transducer configured to detect a pressure level of gas within a patient's colon;a flow meter configured to detect a volume level of gas delivered to the patient's colon;circuitry configured to monitor a period of time over which the pressure level is detected and maintained within a predetermined range of pressures;a processor configured to receive an indication of the pressure level detected by the pressure transducer, an indication of the period of time over which the pressure level is detected, and an indication of the volume level detected by the flow meter, wherein the processor is further configured to determine whether the pressure level is within the predetermined range of pressures for a predetermined period of time and whether the volume level is within a predetermined range of volumes; anda signaling unit configured to provide an output indicating that a scan is valid in an instance in which the pressure level is determined to be within the predetermined range of pressures for the predetermined period of time and the volume is determined to be within the predetermined range of volumes. 2. The apparatus of claim 1, wherein the predetermined range of pressures is approximately 20 mm Hg to approximately 30 mm Hg. 3. The apparatus of claim 1, wherein the predetermined range of pressures is approximately 20 mm Hg to approximately 30 mm Hg, and wherein the predetermined period of time is approximately 15 seconds. 4. The apparatus of claim 1, wherein the predetermined range of pressures is approximately 20 mm Hg to approximately 30 mm Hg, and wherein the predetermined range of volumes is approximately 2 L to approximately 6 L. 5. The apparatus of claim 1, wherein the signaling unit is configured to provide the output comprising at least one of an electronic signal, an alarm, a flashing light, or a sound alarm. 6. The apparatus of claim 1 further comprising an automated pressure relief valve configured to vent the patient's colon, wherein the automated pressure relief valve is configured to be actuated to vent the patient's colon in an instance in which the pressure level within the patient's colon exceeds a predetermined pressure threshold. 7. The apparatus of claim 1, wherein the scan is a virtual colonoscopy scan comprising a computer tomography (CT) scan or a magnetic resonance imaging (MRI) scan. 8. A method for validating a scan of a patient's colon comprising: insufflating a patient's colon with gas; detecting, via a pressure transducer, a pressure level of the gas within the patient's colon;detecting, via a flow meter, a volume level of gas delivered to the patient's colon;monitoring a period of time over which the pressure level is detected and maintained within a predetermined range of pressures;determining, via a processor in communication with the pressure transducer, whether the pressure level detected is within the predetermined range of pressures for a predetermined period of time;determining whether the volume level detected is within a predetermined range of volumes; andproviding an output, via a signaling unit in communication with the processor, indicating that a scan is valid in an instance in which the pressure level is determined to be within the predetermined range of pressures for the predetermined period of time and the volume level is within the predetermined range of volumes. 9. The method of claim 8, wherein the predetermined range of pressures is approximately 20 mm Hg to approximately 30 mm Hg, and wherein the predetermined period of time is approximately 15 seconds. 10. The method of claim 8, wherein the predetermined range of pressures is approximately 20 mm Hg to approximately 30 mm Hg, and wherein the predetermined range of volumes is approximately 2 L to approximately 6 L. 11. The method of claim 8, wherein the output comprises at least one of an electronic signal, an alarm, a flashing light, or a sound alarm. 12. The method of claim 8 further comprising automatically venting the patient's colon in an instance in which the pressure level within the patient's colon exceeds a predetermined pressure threshold. 13. The method of claim 12, wherein the predetermined pressure threshold is approximately 60 mm Hg. 14. An apparatus configured for use in scanning a patient's colon, the apparatus comprising: a pressure transducer configured to detect a pressure level of gas within a patient's colon;circuitry configured to monitor a period of time over which the pressure level is detected and maintained above a predetermined pressure threshold;a processor configured to receive an indication of the pressure level detected by the pressure transducer and an indication of the period of time over which the pressure level is detected and further configured to determine whether the pressure level exceeds the predetermined pressure threshold for a predetermined period of time;an automated pressure relief valve configured to vent the patient's colon, wherein the automated pressure relief valve is configured to be actuated to vent the patient's colon in an instance in which the pressure level within the patient's colon exceeds the predetermined pressure threshold for the predetermined period of time; anda flow meter configured to detect a volume level of gas delivered to the patient's colon, wherein the processor is configured to receive an indication of the volume level detected by the flow meter and to determine whether the volume level exceeds a predetermined volume threshold, and wherein the automated pressure relief valve is configured to be actuated to vent the patient's colon in an instance in which the volume level exceeds the predetermined volume threshold. 15. The apparatus of claim 14, wherein the predetermined pressure threshold is approximately 60 mm Hg.
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