초록 ▼

An improved respiratory analyzer comprises a disposable flow module and non-disposable electronics module. An improved ventilator system comprises a supply of respiratory gases, a ventilator line for directing the respiratory gases to a patient, a flow module holder located in series with the ventil

An improved respiratory analyzer comprises a disposable flow module and non-disposable electronics module. An improved ventilator system comprises a supply of respiratory gases, a ventilator line for directing the respiratory gases to a patient, a flow module holder located in series with the ventilator line into which a flow module can be inserted, and an electronics module which connects to the flow module. In a preferred embodiment, the flow module and electronics module operate in combination to provide the functionality of an indirect calorimeter, so as to determine the metabolic rate of the patient. Feeding of an intubated patient can be controlled using determined patient metabolic rates. Other respiratory parameters can be determined by the system, such as peak flow, tidal volume, end-tidal concentrations, and respiratory quotient. The system provides a non-invasive method of cardiac output determination. A flow module can also be inserted into the mouth or internal respiratory tube of a person.

대표청구항 ▼

An improved respiratory analyzer comprises a disposable flow module and non-disposable electronics module. An improved ventilator system comprises a supply of respiratory gases, a ventilator line for directing the respiratory gases to a patient, a flow module holder located in series with the ventil

An improved respiratory analyzer comprises a disposable flow module and non-disposable electronics module. An improved ventilator system comprises a supply of respiratory gases, a ventilator line for directing the respiratory gases to a patient, a flow module holder located in series with the ventilator line into which a flow module can be inserted, and an electronics module which connects to the flow module. In a preferred embodiment, the flow module and electronics module operate in combination to provide the functionality of an indirect calorimeter, so as to determine the metabolic rate of the patient. Feeding of an intubated patient can be controlled using determined patient metabolic rates. Other respiratory parameters can be determined by the system, such as peak flow, tidal volume, end-tidal concentrations, and respiratory quotient. The system provides a non-invasive method of cardiac output determination. A flow module can also be inserted into the mouth or internal respiratory tube of a person. 261-71. Wampler et al., "Treatment of Cardiogenic Shock with the Hemopump Left Ventricular Assist Device," Ann. Thorac. Surg., 1991:52:506-13. McCarthy et al., "Clinical Experience with the Novacor Ventricular Assist System," J. Thorac. Cardiovasc. Surg., 1991:102-578-87. Burnett et al., "Improved Survival After Hemopump Insertion in Patients Experiencing Postcardiotomy Cardiogenic Shock During Cardiopulmonary Bypass," From the Section of Transplantation, Division of Cardiovascular Surgery, Texas Heart Institute and St. Luke's Episcopal Hospital, Houston, Texas, dated even with or prior to January 2, 1997, pp. 626-628. Phillips et al., "Hemopump Support for the Failing Heart," From the Department of Cardiovascular Medicine and Surgery, Mercy Hospital Medical Center, Des Moines, Iowa, date even with or prior to Jan. 2, 1997, pp. 629-631. Deeb et al., "Clinical Experience with the Nimbus Pump," From the University of Michigan Medical Center Section of Thoracic Surgery and Division of Cardiology, Ann Arbor, Michigan, date even with or prior to Jan. 2, 1997, pp. 632-636. Bearnson et al., "Development of a Prototype Magnetically Suspended Rotor Ventricular Assist Device," ASAIO Journal, 1996, pp. 275-280. Sakakibara et al., "A Muscle Powered Cardiac Assist Device for Right Ventricular Support: Total Assist of Partial Assist?," Trans. Am.Soc. Artif. Intern. Organs, vol. XXXVI, 1990, pp. 372-375. Medtronic, Inc. 1996 Annual Shareholders Report, 79 pages. ABIOMED, Inc. Annual Report 1996, 32 pages. Press Release dated Sep. 16, 1996, "ABIOMED Wins $8.5 Million Federal Contract to Qualify its Artificial Heart for Human Trials," 5 pages. Press Release dated Sep. 26, 1996, ABIOMED's Temporary Artificial Heart System Reaches 200 U.S. Medical Center Milesto