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5667491 |
Method for rapid temporal control of molecular transport across tissue
A method is disclosed for treating tissue in response to a stimulus generated by the tissue. In one embodiment, the method transdermally treats an organism in response to a stimulus. In this...
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5591399 |
System for diagnosing oxygenator failure
A system which provides information necessary to diagnose a failure or malfunction of an oxygenator. The system provides information to differentiate oxygenator failure from other causes of...
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5551953 |
Electrotransport system with remote telemetry link
An electrotransport system (20) for delivering a therapeutic agent (36) through a body surface (40) (eg, skin) of a patient includes a pair of electrodes (34, 38) for contacting the body surface,...
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5494822 |
Organ perfusion device
Devices and methods for perfusing organs by controlling either the perfusion pressure or the perfusate flow rate. The operator may select either method of perfusion control. Also provided are...
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5423747 |
Medical pump drive
A medical pump drive for automatically displaying not only the flow rate of circulating blood but also blood flow rate per surface area of the body of a patient in a medical treatment such as...
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5409456 |
Method for intravenous drug infusion
A method and system for the infusion of a drug into a patient involving: (i) calculating a multiplicity of infusion rate profiles for a selected drug by monitoring drug efflux from the body of a...
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5368028 |
System for monitoring and controlling blood and tissue constituent levels
Systems are disclosed which utilize implanted chemo-sensitive living cells to monitor tissue or blood concentration levels of chemicals. The implanted cells produce a detectable electrical, optical...
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5334141 |
Extravasation detection system and apparatus
A system is disclosed for detecting extravasation of injected liquid from the blood vessel of a patient. The system operates by monitoring electromagnetic microwave emission from the patient at the...
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5298021 |
ACLS infusion pump system
An infusion pump system provides a display to indicate to the physician the proper advanced cardiac life support (ACLS) procedures for a given protocol of ACLS heart disorder. The infusion pump is...
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5237993 |
Process and device for determining parameters of interest in living organisms
In order to determine at least one parameter of interest in a living organism, a perfusion is directly introduced in the tissues. After its partial balancing by the tissue parameter of interest,...
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5109850 |
Automatic blood monitoring for medication delivery method and apparatus
An implantable blood monitoring and medication administering system includes an infusion device (2) which is implantable beneath the skin of a human or animal and which contains medication. A...
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4979940 |
Infusion system, methodology, and algorithm for identifying patient-induced pressure artifacts
An infusion system includes fluid-delivery components for delivering a fluid from a separate source of the fluid into a patient, transducer components for producing a signal related to the pressure...
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4832689 |
Infusion means
Infusion liquid flows from a container via a hose controlled by a squeezing valve into a measuring chamber which has an existing predetermined upper filling level and a predetermined lower filling...
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4822337 |
Insulin delivery method and apparatus
A method and apparatus for providing for the insulin needs of a diabetic individual utilizes blood flow in the digestive tract as the operative variable. Such blood flow is monitored and when...
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4804358 |
Coronary perfusion pump
Coronary perfusion apparatus in which a catheter is held in place in the coronary artery by an intra-aortic balloon. The catheter carries a pressure sensor which is positioned adjacent the heart...
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4741732 |
Open-loop control of drug infusion
A method of determining a generalised infusion rate profile for the delivery of drugs into the circulation comprising the steps of: (a) infusing a drug at arbitrary but known rates into a group...
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4731051 |
Programmable control means for providing safe and controlled medication infusion
An implantable programmable infusion pump (IPIP) is disclosed and generally includes: a fluid reservoir filled with selected medication; a pump for causing a precise volumetric dosage of medication...
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4718430 |
Procedure and device for the administering of insulin or similar long-term medicaments
A procedure for the administration of insulin or similar long-term medicaments utilizing an elastic element, for example a membrane dividing a reservoir into two chambers, one of which holds the...
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4710165 |
Wearable, variable rate suction/collection device
A compact, lightweight, variable rate suction and collection device is provided for the withdrawal and collection of fluid from a patient. The device includes a collection receptacle which is...
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4688577 |
Apparatus for and method of monitoring and controlling body-function parameters during intracranial observation
A system and method for monitoring body-function parameters including bloodflow, intracranial pressure and blood pressure during cranial observation of an individual wherein different...
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4647281 |
Infiltration detection apparatus
An apparatus used in association with a needle for infusing a liquid. This apparatus is for detecting the infiltration of the liquid through the vascular wall into the perivascular tissues. The...
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4493697 |
Method and apparatus for pumping blood within a vessel
A dynamically augmenting pump system incorporates a sealed liquid-filled catheter which is inserted into a vessel such as an artery, and the pump system is operated in timed relation with the heart...
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4493692 |
Blood gas concentration control apparatus and method
Novel methods and apparatus are provided for regulating the concentrations of oxygen and carbon dioxide in blood during extracorporeal cardiopulmonary bypass. According to the invention, probes...
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4449538 |
Medical-electronic body fluid accounting system
A medical-electronic body fluid accounting system for use in surgical procedures and in post-operative and non-surgical care to afford a running account of the fluid intake to a patient and fluid...
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4409966 |
Method and apparatus for injecting a substance into the bloodstream of a subject
An apparatus and method for injecting a substance, such as a radiopharmaceutical, into the bloodstream of a subject. The apparatus comprises an injection means, such as a servo controlled syringe,...
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4403984 |
System for demand-based adminstration of insulin
A system is disclosed for demand-based administration of insulin which utilizes a change in a physical property of a patient's body fluid as an indicator that a change in the body fluid glucose...
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4401431 |
Blood pump and oxygenator monitor-controller and display device
A blood pump and oxygenator monitor-controller and display device is disclosed. The device includes a plurality of data communication ports, a plurality of data and output control ports all...
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4392849 |
Infusion pump controller
A closed loop medication introduction system controls the rate at which medication is introduced into a patient in response to a monitored physiological condition. The system includes a monitor for...
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4309993 |
Liquid flow sensing apparatus
Liquid flow sensing apparatus which in the illustrative embodiment is used to sense an occluded vein (cessation of blood flow). A flexible pressure pillow is connected in the blood flow line and is...
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4291692 |
Closed-loop infusion system, both method and apparatus, based on real time urine measurement
A closed loop system for controlled infusion of fluids, medication or diagnostic substances into a patient based on real time measurement of urine output. Proper urine flow techniques and a self...
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4078562 |
Infusion pump with feedback control
An episodic infusion pump apparatus with feedback control for periodically administering a pharmaceutical, such as oxytocin or the like, to induce labor in a pregnant woman. The drug is...
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4010749 |
Method of detecting infiltration of infused liquid by comparing altered skin temperature with skin temperature in area of infiltrated liquid
Perivascular infiltration of liquid being administered to a patient is detected by the method of altering the temperature of a region of the patient's skin adjacent the site of a transcutaneous...
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3898983 |
Device and method for detecting the degree of muscle relaxation of a medical patient
The system and method automatically indicate the degree to which the muscles of a surgical patient have been relaxed by the use of relaxant drugs, and control the dispensing of relaxant drugs to...
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3847138 |
METHOD AND SYSTEM FOR CONTROLLED AUTOMATED ADMINISTRATION OF DRUGS TO PATIENTS
A method is provided for monitoring a characteristic of a patient, based upon radioactivity, such as the amount of radioactive drug in a patient's system, and automatically attaining and...
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3651806 |
METHOD AND APPARATUS FOR ADMINISTERING DIGITALIZING MEDICATIONS
A method and apparatus for infusing digitalizing medication to a patient at a controlled rate. The apparatus including first detection means for recognizing an electrical event originating in the...
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3618602 |
LIQUID INFUSION INFILTRATION DETECTION APPARATUS AND METHOD
Improved method and means is provided for detecting undesirable infiltration into the perivascular tissue of liquid which is normally administered intravenously or intraarterially.
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2979055 |
Method for the administration of muscle relaxant drugs
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