Apparatus for drug delivery in association with medical or surgical procedures
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Abstract
A care system and associated methods are provided for alleviating patient pain, anxiety and discomfort associated with medical or surgical procedures, the system comprising: at least one patient health monitor device coupled to a patient and generating a signal reflecting at least one physiological condition of the patient; a drug delivery controller supplying one or more drugs to the patient; a memory device storing a safety data set reflecting parameters of the at least one patient physiological condition; and an electronic controller interconnected between the patient health monitor, the drug delivery controller and the safety data set; wherein said electronic controller manages the application of the drugs in accord with the safety data set. In another aspect of the invention, the care system facilitates a procedural physician'"'"'s safely and efficaciously providing conscious sedation to a patient by additionally providing a consciousness monitoring system which monitors the consciousness of the patient and generates a value representing the level of patient consciousness. Methods for alleviating patient pain and anxiety in accordance with the invention comprise connecting a drug delivery device to a patient, such device having a drug delivery controller supplying one or more drugs and being coupled to an electronic controller; attaching at least one patient health monitor device to the patient; accessing a memory device which stores a safety data set reflecting parameters of at least one patient physiological condition; and delivering the drugs to the patient in accord with the safety data set. In further aspects of the invention, the consciousness monitoring system is an automated consciousness monitoring system which includes patient query and response devices. Additional embodiments of the system and methods are directed to alleviating patient pain or discomfort while enabling safe patient controlled drug delivery in correlation with the monitoring of patient health conditions.
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Citations
240 Claims
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1-96. -96. (cancelled).
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97. A device for use by a non-anesthetist user during a medical and/or surgical procedure to provide sedation to a patient not under general anesthesia and in need of sedation, said device comprising:
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a drug delivery mechanism for delivering a drug dosage rate of sedative to said patient during said procedure;
a patient health monitor adapted so as to be coupled to a patient during said procedure, said monitor generating a signal reflecting measurements of at least one monitored physiological condition of the patient; and
a processor operably connected to said patient health monitor and said drug delivery device;
said processor having accessible parameters that indicate values for said measurements of said monitored physiological condition, said values correlating to a range of patient conditions associated with said procedure; and
wherein said processor operates according to software to receive said signal during said procedure, analyze said measurements reflected in said signal using said parameters to identify onset or possible onset of a patient condition outside of a normal range, and generate a signal indicating possible modifications of said drug dosage rate to remedy said onset or possible onset of said patient condition, wherein said processor signal indicates an action dependent upon an extent by which said current measurements are outside said normal range. - View Dependent Claims (98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131)
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132. A sedation system comprising:
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a patient health monitor device adapted to be coupled to a patient that is undergoing a procedure without general anesthesia, said monitor generating a signal reflecting measurements of at least one monitored physiological condition of the patient;
a controllable drug delivery device adapted to supply one or more drugs to the patient;
an electronic controller containing parameters for said monitored physiological condition, said parameters indicating possible values for said measurements of said monitored physiological condition where said values correlate to safe and effective sedation during said procedure, and said electronic controller being adapted to receive said signal, compare said measurements reflected in said received signal with said parameters, and modify a supply rate of one or more drugs as necessary in response to said signal during said procedure. - View Dependent Claims (133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178)
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179. An apparatus suitable for use by a non-anesthetist medical person during the performance of a medical and/or surgical procedure, said apparatus providing effective sedation without general anesthesia to a non-intubated patient in need thereof, said apparatus comprising:
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a drug delivery device adapted to be coupled to said patient in need of said sedation during said procedure, said device being adapted to deliver a drug dosage that may approach but is insufficient to result in general anesthesia of the patient;
at least one sensor coupled to the patient for providing feedback signals of at least one physiological condition of the patient during said procedure; and
a controller interconnected between the drug delivery device and the sensor, said controller being adapted to electronically receive said feedback signals of the sensed physiological condition of the patient and to control said drug delivery device to maintain effective sedation of the patient without general anesthesia during said procedure. - View Dependent Claims (180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207)
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208. An apparatus suitable for use under control of non-anesthetist personnel for performing a medical and/or surgical procedure on a spontaneously-ventilating patient in need of sedation and/or pain control during the procedure, said apparatus comprising:
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a drug delivery device adapted to deliver a drug to the patient in need of sedation and/or pain control during said medical procedure, said device being controlled to deliver an appropriate dosage to said patient sufficient to provide sedation or pain control while maintaining effective spontaneous-ventilation of the patient;
a sensor attached to the patient for sensing physiological data indicative of effective spontaneous ventilation of the patient and providing sensed data of said ventilation to a controller;
an electronic controller, said controller receiving said sensed data from said sensor and for safely controlling said dosage of said drug so as to maintain effective spontaneous ventilation of said patient; and
a recording device adapted to log said sensed data and information regarding said dosage electronically. - View Dependent Claims (209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220)
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221. A device adapted to be operated by a non-anesthetist during a medical and/or surgical procedure to provide sedation to a spontaneous ventilating patient in need thereof, said device comprising:
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a drug delivery device for delivering a drug dosage rate of sedative to said patient during said procedure;
at least one sensor coupled to said patient for providing feedback data of the ventilatory function of the lungs of the patient during said medical procedure; and
a processor connected to said sensor and adapted to electronically receive said feedback data, and to generate a signal reflecting the ventilatory status of the patient, said signal indicating possible modifications of said drug delivery to maintain proper ventilatory functions during said medical procedure. - View Dependent Claims (222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240)
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Specification