Surgery – Means for introducing or removing material from body for... – Gas application
Patent
1998-05-19
2000-05-30
Bockelman, Mark
Surgery
Means for introducing or removing material from body for...
Gas application
261129, 261141, 236 44, A61M 3700
Patent
active
06068609&
ABSTRACT:
An apparatus for conditioning gas for use in a medical procedure, such as endoscopy, the gas being received into the apparatus from a gas source. The apparatus comprises a housing defining a chamber having an entry port and an exit port. A humidification means comprising at least one water-retainer layer is disposed within the chamber in the path of travel of the gas for humidifying the gas as it passes through the chamber. A humidity sensor is disposed within the chamber that senses the humidity of the gas exiting the chamber. A monitoring circuit is connected to the humidity sensor that detects when the chamber requires a recharge of liquid based on the humidity of the gas in the chamber, and generates a recharge signal indicative thereof. A charging port on the housing provides access into the chamber to recharge the chamber with water. A heating element and temperature sensor are also disposed within the chamber. A control circuit further regulates the temperature of the gas exiting the chamber.
REFERENCES:
patent: 3871371 (1975-03-01), Weigl
patent: 3961626 (1976-06-01), Houchen et al.
patent: 4121583 (1978-10-01), Chen
patent: 4276128 (1981-06-01), Nishino et al.
patent: 4621633 (1986-11-01), Bowles et al.
patent: 4825863 (1989-05-01), Dittmar et al.
patent: 5006109 (1991-04-01), Douglas et al.
patent: 5013294 (1991-05-01), Baier
patent: 5098375 (1992-03-01), Baier
patent: 5139478 (1992-08-01), Koninckx et al.
patent: 5148801 (1992-09-01), Douwens et al.
patent: 5246419 (1993-09-01), Absten
patent: 5411474 (1995-05-01), Ott et al.
Laparoscopic Hypothermia, by Douglas E. Ott, published in Journal of Laparoendoscopic Surgery, vol. 1, No. 3, 1991, pp. 127-131.
Correction of Laparoscopic Insufflation Hypothermia, by Douglas E. Ott, published in Journal of Laparoendoscopic Surgery, vol. 1, No. 4, 1991, pp. 183-186.
Contamination via Gynecologic Endoscopy, by Douglas E. Ott, published in Journal of Gynecologic Surgery, vol. 5,1989, pp. 205-208.
Moisture-conserving efficiency of condensor humidifiers, by Ogino et al., published in Anaesthesia, vol. 40, 1985, pp. 990-995.
The Liquid Barrier Filter--A New Concept To Eliminate Particulate Contaminants From Gases, by Seufert et al., published in Health Physics, vol. 42, No. 2, 1982, pp. 209-216.
Humidification of Rapidly Flowing Gas, by Poulton et al., published in Critical Care Medicine, vol. 9, No. 1, 1981, pp. 59-63.
Temperature Alarm And Cut-Out System For Use With Heated Water Humidifiers, by Whitehurst et al., published in British Journal of Anaesthesia, vol. 52, 1980, pp. 557-558.
Humidification in a Modified Circle System, by Chalone et al., published in Anesthesian And Analgesia, vol. 56, No. 3, May-Jun. 1979, pp. 216-220.
A New Humidifier,by Grant et al., published in Anaesthesia and Intensive Care, vol. IV, No. 3, Aug., 1976, pp. 205-210.
A Safe Nonrebreathing System: Humidity, Sterility, Cost, by Dolorico et al., published in Anesthesia And Analgesia, vol. 53, No. 1, Jan.-Feb., 1974, pp. 75-79.
Hypothermia Induced by Laparoscopic Insufflation, by Bessell et al., published in Surgical Endoscopy, vol. 9, 1995, pp. 791-796.
Pain Intesity Following Laparoscopy, by Korell et al., published in Surgical Laparoscopy & Endoscopy, vol. 6, 1996, pp. 375-379.
Influence of Gas Temperature During Laparoscopic Procedures, J.R. Bessell & G.J. Maddern, published in The Pathophysiology of Pneumo-peritoneum, Rosenthal et al., Springer, 1998, pp. 18-27.
Cook Medical Technology Technological Observer, Cook Australia, Jan., 1998, pp. 1-5.
Gray Robert I.
Ott Douglas E.
Schaefer John F.
Bockelman Mark
Ott Douglas E.
Thompson Michael M
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