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39 results about "Arterial pH" patented technology

The normal range for pH is 7.35–7.45. As the pH decreases (< 7.35), it implies acidosis, while if the pH increases (> 7.45) it implies alkalosis. In the context of arterial blood gases, the most common occurrence will be that of respiratory acidosis.

Methods and apparatuses related to blood analyte measurement system

The present invention relates to a blood analyte measurement system for the procurement of blood samples for measurement of blood properties such as analyte concentration or analyte presence. A blood access system can be coupled with a measurement system such as an electrochemical sensor, and can also be used with other measurement modalities. Embodiments of the present invention can facilitate accurate measurement of blood glucose by the clinician in a sterile manner. Embodiments of the present invention can also enable the calibration of the sensor at one or more calibration points. One desired analyte of measurement is glucose for the effective implementation of glycemic control protocols. Embodiments of the present invention can also be used for the measurement of other analytes such as arterial blood gases, lactate, hemoglobin, potassium and urea. Additionally, embodiments of the present invention can function effectively on a variety of blood access points and specifically enables glucose monitoring in an existing arterial line that is already in place for hemodynamic monitoring. The present invention does not consume a significant amount of blood. Some embodiments of the present invention can re-infuse the blood into the patient, which can facilitate operation of the system in a sterile manner.
Owner:ROBINSON MARK RIES +4

Garment for use in pump therapy for enhancing venous and arterial blood flow

ActiveUS20050143682A1Improves patient comfortImprove treatment complianceVibration massageGenitals massageVeinPulse therapy
Disclosed herein are exemplary embodiments of an impulse therapy garment for use in pump therapy for enhancing venous and arterial blood flow. The garment may be advantageously fitted to a human foot, and may include a rotationally positionable heel-strap, an air inlet connector, separate dorsum straps, or other features. For example, other garments may include a washer having a center hole locatable around the stem and configured to be forcibly retained against the outer surface of the fabric by snap-fit using annular stem protrusions extending from an external surface of the stem. In further embodiments, a garment may include a bladder retention fastener configured to retain an end of the bladder to the fabric to allow substantially differential movement between the fabric and non-retained portions of the bladder during inflation and deflation of the bladder.
Owner:CARDINAL HEALTH IRELAND UNLTD

Non-invasive determination of cardiac output, gas exchange and arterial blood gas concentration

A system and method for monitoring the arterial gas concentrations of a patient receiving percutaneous oxygenator support. The system comprises a percutaneous oxygenator for providing medical gases to the venous system of the patient via a catheter. Gases are also removed from the venous system via a catheter. The concentrations and flow rates of the gases provided and removed from the patient are monitored. A CPU analyzes the concentration and flow rate information to compute the arterial gas concentration of the patient.
Owner:GENERAL ELECTRIC CO

Non-invasive arterial blood gas determination

A breathing circuit for use in conjunction with a ventilator serving a mechanically-ventilated patient includes an expiratory gas airflow pathway; an inspiratory gas airflow pathway; and a gas mixing mechanism operable to mix inspiratory gas and expiratory gas in an amount sufficient to equilibrate the patient's PETCO2 and arterial PCO2 such that the patient's PETCO2 is a clinically reliable approximation of the patient's PaCO2.
Owner:THORNHILL SCI INC

Method and apparatus to attain and maintain target arterial blood gas concentrations using ramp sequences

An apparatus and method for controlling the end tidal partial pressure of a gas X in a subject's lung, and to the use of such an apparatus and method for research, diagnostic and therapeutic purposes, wherein the method consists of: obtaining input of a series of logistically attainable PetX values for a series of respective breaths: determining an amount of gas X required to be inspired by the subject in an inspired gas to target the PetX for each of said respective breaths: and controlling a gas delivery device to deliver the amount of gas in a volume of gas delivered to the subject in each of said respective breaths to target the respective PetX for that breath.
Owner:KLEIN MICHAEL +8

Syringe with breakable plunger for arterial blood gas sample collection

A fluid collection assembly and method for use thereof is provided including a barrel with a plunger rod slidably inserted is disclosed. The assembly and method are particularly useful in the collection of arterial blood. The plunger rod includes a proximal portion, a distal portion with a stopper, and a breakable connector between the proximal and distal portions. In use, the assembly is primed with a liquid anticoagulant, the breakable connection is broken, and a fluid sample is collected with the arterial pressure causing the distal portion of the plunger rod to travel in a proximal direction along the barrel and contact an annular flange extending within the barrel. After collection, a tip cap can be applied to the assembly to prevent any spillage of the fluid sample during handling, storage, and transportation.
Owner:BECTON DICKINSON & CO

Disposable arterial blood gas puncture patch

The invention relates to the technical field of arterial puncture, and specifically relates to a disposable arterial blood gas puncture patch. The puncture patch can display correct arteriovenous puncture points and is convenient for medical staff to blindly collect arterial blood gas, so that the peripheral blood vessels and nerves of patients can be prevented from being stabbed by mistake. The medical staff can remove a non-toxic sealed protective film, tightly attach a silicone skin patch to the skin of a patient and wind four secondary fixation binding bands on the body of the patient to fix with four fixing velcro tapes; sterilized strip cotton disinfects the surface of the skin in a blood gas puncture strip hole; and two color-changing induction coatings perform induction change through the skin surface temperature and arterial blood vessel temperature of the patient, and as the skin surface temperature is relatively lower than the arterial blood vessel temperature, the color-changing induction coating located at the upper part of the arterial blood vessel can become colorless and the color-changing induction coating located at the upper part of skin surface can turn red, sothat the medical staff can find the accurate position of the arterial blood vessel in the blood gas puncture strip hole by comparing the two color-changing induction coatings.
Owner:HARBIN MEDICAL UNIVERSITY

Non-intubation general anesthesia pulmonary lobectomy system based on robot assistance

The invention discloses a non-intubation general anesthesia pulmonary lobectomy system based on robot assistance, and particularly relates to the technical field of operation anesthesia. The non-intubation general anesthesia pulmonary lobectomy system comprises a human body, a nerve block set or an epidural puncture bag, and a laryngeal mask; and the human body is connected with an ultrasonic instrument used for guiding lower thoracic paravertebral nerve block or thoracic epidural block, a BIS monitor used for monitoring the sedation depth of a patient, an invasive arterial monitor used for monitoring arterial blood gas of the patient, and a conventional monitor used for monitoring vital signs of the patient. Through thoracic paravertebral nerve block or epidural block, good unilateral orbilateral analgesia can be provided, sympathetic nerve tension is lowered, the dosage of general anesthetics, especially opioids is decreased, complications of trachea intubation general anesthesia ofthe patient of pulmonary lobectomy under assistance of a Da Vinci robot are reduced, the patient can fall asleep through general anesthesia, trachea intubation is replaced with the laryngeal mask, the postoperation satisfaction of the patient with general anesthesia is better, and postoperative rehabilitation of the patient of the chest department is promoted.
Owner:THE AFFILIATED HOSPITAL OF QINGDAO UNIV

Garment for use in pump therapy for enhancing venous and arterial blood flow

Disclosed herein are exemplary embodiments of an impulse therapy garment for use in pump therapy for enhancing venous and arterial blood flow. The garment may be advantageously fitted to a human foot, and may include a rotationally positionable heel-strap, an air inlet connector, separate dorsum straps, or other features. For example, other garments may include a washer having a center hole locatable around the stem and configured to be forcibly retained against the outer surface of the fabric by snap-fit using annular stem protrusions extending from an external surface of the stem. In further embodiments, a garment may include a bladder retention fastener configured to retain an end of the bladder to the fabric to allow substantially differential movement between the fabric and non-retained portions of the bladder during inflation and deflation of the bladder.
Owner:CARDINAL HEALTH IRELAND UNLTD

Diagnosis and early warning device suitable for heart failure and early warning method thereof

The invention discloses a diagnosis and early warning device suitable for heart failure. The device comprises a detection instrument; an input port of the detection instrument is fixedly connected with an input end I, an input end II and an input end III; and an output port of the detection instrument is fixedly connected with one end of the output end I, one end of the output end II and one end of the output end III. According to the diagnosis and early warning device suitable for heart failure and the early warning method of the diagnosis and early warning device, a patient can visually andclearly display the illness condition of the patient, the convenience of heart failure diagnosis is greatly improved, the user can know the illness condition degree of himself/herself by observing which indicator lamp is turned on, and an excellent early warning effect is achieved; the detection instrument comprises an arterial blood gas analyzer, an ultrasonic cardiogram instrument and an electrocardiograph, a patient can be detected at the same time from multiple aspects on the whole, the detection efficiency is improved, meanwhile, the accuracy of subsequent judgment is improved, the misdiagnosis rate of heart failure diagnosis is greatly reduced, and the use is convenient.
Owner:SOUTHERN MEDICAL UNIVERSITY +1

Arterial blood gas collection device capable of preventing iatrogenic injury

The invention relates to an arterial blood gas collection device for preventing iatrogenic injury, which comprises a sleeve, an inner cylinder, a needle cylinder piston, a piston push rod, a needle head, a sealing device and a needle sleeve, the needle head comprises a first tip and a second tip, and a needle head lug boss is arranged on the outer peripheral surface of the side wall of the needle head; a first spring is arranged between the end face of the inner cylinder and the second fixing support. A second spring is arranged between the needle sleeve and the second fixing bracket; the needle cylinder piston is arranged in the inner cylinder; the inner cylinder is arranged in the sleeve; the needle cylinder piston is made of a material capable of permeating air, the material of the needle cylinder piston is self-sealing porous polyethylene, and partially saponified polyvinyl alcohol, polyacrylate, acrylic acid-vinyl ester, polyethylene oxide and / or cellulose polymer are mixed in the self-sealing porous polyethylene; the porosity of the self-sealing porous polyethylene ranges from 15% to 40%; the average pore size ranges from 5 [mu] m to 20 [mu] m.
Owner:THE FIRST AFFILIATED HOSPITAL OF WENZHOU MEDICAL UNIV
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