Dry Gas Patents (Class 607/107)
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Patent number: 7731739Abstract: Apparatus for altering the body temperature of a patient comprises an inflatable mattress defining an interior space for receiving at least a portion of a patient's body therein. The inflatable mattress is constructed to conduct a heat transfer liquid into direct contact with the portion of the patient's body. The inflatable mattress includes a first zone inflatable to a first pressure and a second zone inflatable to a second pressure greater than the first air pressure. The inflatable mattress in an inflated condition defines a well for receiving the portion of the patient therein. A head positioner positions the patient's head so that the patient's breathing passageway remains out of contact with the heat transfer fluid. A method of adjusting the body temperature of a patient comprises filling the first and second zones, positioning the portion of the patient's body on the mattress, and directing the heat transfer liquid to contact the patient's body.Type: GrantFiled: August 24, 2006Date of Patent: June 8, 2010Assignee: Life-Recovery Systems HD, LLCInventors: Robert B. Schock, Marc Cote
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Publication number: 20100094180Abstract: An apparatus treats patients suffering from vascular disease with infra-, audible- and ultrasound waves. The apparatus includes a treating head for emitting sound waves with frequencies ranging from 1 Hz to 100 kHz and feeding introducing the sound waves through a coupling medium into a body portion to be treated, an electronics connected to the treating head for energizing the treating head to emit the sound waves, and a control panel connected to the electronics to choose the electronic waveform of the energizing.Type: ApplicationFiled: December 18, 2009Publication date: April 15, 2010Inventor: Khaled Awad Saleh NASHWAN
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Publication number: 20100087901Abstract: A body temperature regulating device for distributing ambient air directly onto a user skin may include a body harness positioned on the user skin. A portable air pump for receiving and channeling ambient air may also be included. A portable air intake manifold may also be coupled to the air-pump for receiving and distributing air based on pre-defined operating parameters. A user inter face and controller may located downstream of an air intake valve for allowing a user to monitor the air intake rate and control the air distribution rate. Air may be distributed from the air intake manifold through the air distributions valves into conduit. The conduits may connect the distributions valves to each harness. A comfort valve may be located on each conduit proximate to the harness in order to allow a user to individually select and adjust the air exhaust rate into the harness.Type: ApplicationFiled: October 8, 2008Publication date: April 8, 2010Inventor: Isreal Hernandez
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Publication number: 20100057170Abstract: The inventive blanket is an inflatable underbody convective thermal blanket whereon the head and the upper body of a patient may lie. The blanket is in the shape of a cross with a truncated lower vertical portion and an upper head portion onto which the head of the patient lies. The blanket has two horizontal arm portions that extend from the main body portion of the blanket and onto which the arms of the patient may be positioned. At each of the arm portions there is a flap that may be used to cover the arm of the patient. An inlet port is provided in an upper corner at the head portion of the blanket. The heated air input to the blanket is directed by a plurality of sealed strips to flow in respective desired directions around the arm portions and the lower truncated body portion of the blanket. Sets of apertures are provided along an inner sealed periphery that defines a T-shaped uninflated area onto which the torso of the patient lies.Type: ApplicationFiled: September 4, 2008Publication date: March 4, 2010Applicant: Smiths Medical ASD, Inc.Inventors: John Robinson, Alan Stec
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Publication number: 20100049286Abstract: The system includes means for providing different temperature, in the inner air injection area and the outer air injection area. Due to the temperature impact the lice will be stimulated to leave the scalp and be guided into or through inner membrane, where an additional temperature action will kill the lice.Type: ApplicationFiled: December 12, 2007Publication date: February 25, 2010Inventor: Roland Thorsen
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Patent number: 7666214Abstract: An inflatable convective thermal blanket is designed to have at least one section on its top surface that has securely mounted thereon at least one fluid absorbent mechanism for absorbing fluids from a subject that is placed onto the blanket, or from fluids fallen onto the blanket from other sources. The one section is configured onto the blanket in such a way that it forms a well for collecting the fluids. The fluid absorbent mechanism, which may be in the form of a pad, would absorb the collected fluid to thereby minimize evaporative and cooling effects on the subject. Instead of mounting it on top of the blanket, the fluid absorbent pad may be mounted to the underside of the blanket, with appropriate holes and/or openings provided at the fluid collecting section, so that the collected fluids are drained onto the fluid absorbent pad.Type: GrantFiled: April 12, 2006Date of Patent: February 23, 2010Assignee: Smiths Medical ASD, Inc.Inventors: Joseph Pierre, Rachel Starr, Gregory Hughes
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Patent number: 7658756Abstract: An inflatable convective thermal blanket is designed to have at least one section on its top surface that has securely mounted thereon at least one fluid absorbent mechanism for absorbing fluids from a subject that is placed onto the blanket, or from fluids fallen onto the blanket from other sources. The one section is configured onto the blanket in such a way that it forms a well for collecting the fluids. The fluid absorbent mechanism, which may be in the form of a pad, would absorb the collected fluid to thereby minimize evaporative and cooling effects on the subject. Instead of mounting it on top of the blanket, the fluid absorbent pad may be mounted to the underside of the blanket, with appropriate holes and/or openings provided at the fluid collecting section, so that the collected fluids are drained onto the fluid absorbent pad.Type: GrantFiled: April 12, 2006Date of Patent: February 9, 2010Assignee: Smiths Medical ASD, Inc.Inventors: Joseph Pierre, Rachel Starr
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Patent number: 7636594Abstract: An infant warming and sensor mat for keeping a baby warm and monitoring the baby's haemoglobin oxygen saturation level (SaO2) and heart rate. The mat preferably comprises a bottom layer of compressible padding material, a sensor layer comprising a plurality of light sources and light detectors, a cover layer having multiple openings, and an air layer between the sensor layer and cover layer. Warm air supplied to the air layer escapes through the openings in the cover to warm the baby. The light sources shine light of an appropriate wavelength onto the baby through the openings in the cover, and the light detectors sense the amount of light reflected back from the baby, which is indicative of SaO2 level. Heart rate is also determined from the resulting periodic signal.Type: GrantFiled: September 9, 2004Date of Patent: December 22, 2009Assignee: Maternus Partners, Ltd.Inventor: Richard L. Watson, Jr.
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Patent number: 7631377Abstract: A ventilating system for a bed for selectively venting either ambient air or heated air into the bed linen of a bed approximate the foot of the bed through a pair of vents clipped to the mattress in spaced apart fashion. with a pliable partition longitudinally extending the length of the top and bottom sheet and fastened therebetween creating a pair of side by side chambers with each having its own vent in conduit communication with the ventilator unit incorporating a heater and a fan working independently of each other so that one can select either ambient air or heated air and the volume of desired air through settings such as low, medium or high volume.Type: GrantFiled: July 9, 2008Date of Patent: December 15, 2009Inventor: Alonzo W. Sanford
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Patent number: 7604615Abstract: A surgical cassette having an aspiration chamber with a bubble separating structure. The bubble separating structure facilitates accurate, reliable measurement of the fluid level in the chamber.Type: GrantFiled: March 20, 2006Date of Patent: October 20, 2009Assignee: Alcon, Inc.Inventors: Shawn X. Gao, David M. Domash
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Publication number: 20090248120Abstract: A convective underbody blanket has a head portion and a body portion. Provided at the head portion is a non-inflatable head area surrounded by a channel that has arranged thereat at least one row of air apertures that are oriented toward the non-inflatable head area when the channel is inflated. At the body portion there is provided a non-inflatable body area. Along each longitudinal side of the body area there is at least one longitudinal channel. Each of the longitudinal channels is in fluid communication with the channel that surrounds the non-inflatable head area. The longitudinal channels that sandwich the non-inflatable body area extend substantially along the length of the non-inflatable body area and are in fluid communication with each other by way of a cross channel formed at the foot end of the blanket.Type: ApplicationFiled: March 31, 2008Publication date: October 1, 2009Applicant: Smiths Medical ASD, Inc.Inventors: Rachel Starr, Joseph Pierre, Daniel Reardon, Alan Stec
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Publication number: 20090228082Abstract: To rapidly induce hypothermia to a patient, in the event the patient has a stroke, hyperthermia or some other temperature related heath problems which requires prompt action to regulate the temperature of the patient, a flat flexible structure conformable to the body of the patient is placed into contact with the patient. The structure has at least two heat transfer portions. One of heat transfer portions is positioned in contact with the body of the patient. The structure is hermetically sealed and a fluidized medium responsive to temperature change is provided in the structure between the heat transfer portions. The fluid is changeable between a liquid state and a gaseous state, when it is exposed to heat and cold.Type: ApplicationFiled: February 27, 2009Publication date: September 10, 2009Applicant: Smiths Medical ASD, Inc.Inventors: Francis L. Ross, III, Gary Searle
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Publication number: 20090228083Abstract: A warming device includes a clinical garment having an inside surface supporting one or more convective apparatuses disposed to warm a patient perioperatively. The warming device may include an upper body convective apparatus supported on the inside of the clinical garment between its sleeves. The construction of the upper body convective apparatus includes pulling elements that draw folded components of the apparatus from sleeves of the clinical garment when pulled. The warming device may include a multi-section convective apparatus disposed longitudinally in a lower portion of the clinical garment and having separately inflatable sections, each for enabling a particular mode of warming. The construction of the multi-section convective apparatus includes a therapeutic warming section with an inlet port positioned for convenient and safe access when the lower portion of the warming device is disposed to drape over the lower limbs of a person while the therapeutic warming section is being operated.Type: ApplicationFiled: April 15, 2009Publication date: September 10, 2009Applicant: Arizant Healthcare Inc.Inventors: Thomas P. Anderson, Carol J. Panser
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Patent number: 7555792Abstract: An apparatus to provide thermal control to a patient comprises a neck member having a surface defining at least one opening, the surface configured to be spaced apart from a neck area of the patient. The neck member includes an air inlet to receive cooled air from an air source. The at least one opening is in fluid communication with the air inlet to direct cooled air from the air source and toward the neck area of the patient to provide the thermal control to the patient.Type: GrantFiled: September 8, 2006Date of Patent: July 7, 2009Assignee: KCI Licensing, Inc.Inventors: Keith Patrick Heaton, Christopher Guy Coward, Mark Stephen James Beard, Peter Charles Stacy, David George Whyte
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Patent number: 7550000Abstract: To reduce the amount of air input to a patient warming blanket, when the blanket is of a size that does not require the full amount of air output from a convective warmer for optimal pressurization, a regulator is provided to the inlet of the blanket to restrict the amount of air input to the blanket, thereby reducing the airflow rate to one that is appropriate for the optimal inflation or pressurization of the warming blanket. Respective regulators that allow different amounts of air under pressure to pass therethrough may be correspondingly fitted to blankets of different sizes and/or dimensions. Each regulator fitted to the inlet of the blanket may be configured in the form of an adapter with multiple orifices for passage of air, or a filter made of an air permeable material having a preselected porosity.Type: GrantFiled: May 27, 2005Date of Patent: June 23, 2009Assignee: Smiths Medical ASD, Inc.Inventor: William E. Frey
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Patent number: 7520889Abstract: A thermal blanket for warming the limbs includes a surface, an inactive region of the surface adapted to lie against the thoracic and/or abdominal area of a person extending at least from the thighs to the abdomen of the person, active regions of the surface adapted to circulate pressurized air to limbs of the person, and an inflatable pneumatic structure adapted to distribute pressurized air to the active regions. When warmed, pressurized air is introduced into the pneumatic structure, prewarming and/or comfort warming is provided.Type: GrantFiled: February 11, 2005Date of Patent: April 21, 2009Assignee: Arizant Healthcare Inc.Inventor: Albert P. Van Duren
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Patent number: 7507249Abstract: A patient cooling system comprises an inflatable patient mattress having an airflow system and integral manifold incorporated therein and a patient enclosure or tent coupled to the inflatable patient mattress and supported by a framework of inflatable tubes drawing air off of the same air supply used to supply the mattress and to thermally control the area in the tent. The framework of inflatable tubes is divided into left and right sections, which are further subdivided into lower body and upper body sections. An inflatable connector with a stem and protuberance is provided to secure the framework in a closed position. The patient-supporting mattress comprises a plurality of inflatable compartments extending transversely across the width of the mattress that can be alternately pressurized for pressure relief therapy. Air is recirculated from the area in the tent and the integral manifold through the airflow system and into a thermal control unit.Type: GrantFiled: June 16, 2005Date of Patent: March 24, 2009Assignee: KCI Licensing, Inc.Inventors: Keith Patrick Heaton, Mark Beard, David Whyte, Peter Stacy, Chris Coward
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Patent number: 7497870Abstract: A convective warmer to which blankets of different dimensions may be connected is capable of providing air to the various blankets at flow rates that optimally inflate those blankets to achieve the optimal clinical result for the patients covered by those blankets. The blanket connected to the warmer may range from a full size adult warming blanket to a pediatric warming blanket. The convection warmer may have multiple fixed air flow rates each selectable by a user, via switch(es) either electronically or mechanically. For the electronic selection of a given flow rate, a motor adaptable to rotate a different speeds is used. To vary the flow rate mechanically, a valve is controlled to vary the amount of air that may pass to the blanket. Instead of different fixed flow rates, variable air flow rates, selectable by the user, may be used. Also, a feedback circuit that maintains the pressure sensed at the outlet of the warmer to a preset pressure may be used to eliminate the need for user intervention.Type: GrantFiled: February 18, 2005Date of Patent: March 3, 2009Assignee: Smiths Medical ASD, Inc.Inventors: William E. Frey, Joseph Pierre
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Publication number: 20080288034Abstract: A convective blanket has multiple sets of discontinuous bonding strips that bond or attach its upper layer to its lower layer to form a number of air flow guides within the blanket. There is at least one set of substantially parallel discontinuous strips proximate to the air input port of the blanket and another set of substantially parallel discontinuous strips remote from the air input port. For each set of in parallel discontinuous bond strips, the respective distal and proximal ends of each successive strips are aligned with the distal and proximal ends of a corresponding substantially in parallel strip to effect a cross channel so that air flowing along the air flow guide may escape to different sections of the blanket. To output the heated air from the blanket, respective single rows of successively spaced air holes are formed adjacent to and substantially along the length of the discontinuous bond strips that are located proximate to the air input port.Type: ApplicationFiled: May 18, 2007Publication date: November 20, 2008Applicant: Smiths Medical ASD, Inc.Inventors: Joseph Pierre, Rachel Starr
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Publication number: 20080228247Abstract: The present invention provides a healthy care device comprising a casing having an inlet and an outlet on two opposite side thereof; a heater and a fan installed inside the casing; an air guiding sleeve having one end connected to the outlet of the casing and another end with contact area to a patient's skin, and an energy concentrating element installed on the air guiding sleeve. An exhaust opening is installed in the air guiding sleeve. The air induced by the fan is heated by the heater, and runs through the outlet to the air guiding sleeve to reach to the patient's skin surface. And the exhaust opening is applied to exhaust the hot air. With convective air, modulated temperature and adjustable air flow, the hot air gradually warms up patient's skin without burning the patient. The safety and the reliability are reached. For various applications, energy wave coating can be applied on energy concentrating element.Type: ApplicationFiled: December 22, 2005Publication date: September 18, 2008Inventor: Kam Moon Fung
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Publication number: 20080161891Abstract: Each leg of a U tube blanket is configured to have at least one row of holes extending substantially along the length thereof. The size of the holes is incrementally increased from the proximal portion that is closest to the air inlet cross section of the blanket where heated air is input to the blanket for inflating the same to the distal portion of the legs of the blanket. For an embodiment of the inventive blanket, the plurality of vent holes along each leg of the blanket are grouped into a number of sections, for illustration purposes three, with the vent holes in each section having the same dimension. With the size of the holes being incrementally larger along the leg away from the heat source, a greater amount of warm air is output at the distal portion of the blanket to compensate for the distance the warm air needs to travel before it is vented from the blanket.Type: ApplicationFiled: December 28, 2006Publication date: July 3, 2008Applicant: Smiths Medical ASD, Inc.Inventors: Joseph Pierre, Rachel Starr
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Publication number: 20080132977Abstract: A device for providing instant cooling, particularly for treating parts of the human body or items in general, comprising a diffuser which is adapted to be charged with a gas, the diffuser being provided with a plurality of holes for releasing the gas, the diffuser being accommodated in a container which contains a thermally insulating material which is adapted to absorb the low temperature generated by the gas, the container being sealed around the diffuser.Type: ApplicationFiled: November 27, 2007Publication date: June 5, 2008Inventors: Carlo Ferri, Adriano Ferrari
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Publication number: 20080125841Abstract: A device for providing instant cooling, particularly for treating parts of the human body or items in general, comprising a diffuser which is adapted to be charged with a gas, the diffuser being provided with a plurality of holes for releasing the gas, the diffuser being accommodated in a container which contains a thermally insulating material which is adapted to absorb the low temperature generated by the gas, the container being sealed around the diffuser.Type: ApplicationFiled: November 28, 2007Publication date: May 29, 2008Inventors: Carlo Ferri, Adriano Ferrari
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Patent number: 7361187Abstract: The threaded cryostat for a cryosurgical probe system includes an outer tube and a hollow elongated threaded element positioned within the outer tube. The threaded element has integral, external threads that extend from on an outer surface thereof. During operation a working fluid is transported in a first direction between a fluid supply line and a distal end of a cryosurgical probe within a first space defined within the threaded element. Working fluid is transported in a second direction between the distal end of the cryosurgical probe and the fluid supply line within a second space defined between the outer tube and the threaded element.Type: GrantFiled: September 30, 2004Date of Patent: April 22, 2008Assignee: Endocare, Inc.Inventors: Thach Duong, James Q. Dinh
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Publication number: 20080077209Abstract: A nozzle is provided for connecting an air hose to an air inlet. In one embodiment, the nozzle includes a tapered region and a plurality of vents. In another embodiment, the nozzle includes a projection configured to facilitate insertion of the nozzle into an air inlet. Warming assemblies comprising heated air blowers and warming blankets connected by the air hose and varying nozzle embodiments are also provided.Type: ApplicationFiled: September 27, 2006Publication date: March 27, 2008Inventor: Michael Vardanega
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Publication number: 20080077208Abstract: A warming blanket is provided that includes a first sheet and a second sheet sealed at least along a common edge. An air inlet is provided on the warming blanket where the first sheet and the second sheet are not sealed. An inlet opening device is attached to the inlet opening. The inlet opening device separates the first sheet from the second sheet at the inlet opening in the absence of an opposing force. Methods of forming and using the warming blanket are also provided.Type: ApplicationFiled: September 27, 2006Publication date: March 27, 2008Inventor: Michael Vardanega
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Publication number: 20080077207Abstract: A technique for heating a patient is provided. The technique includes providing a warming blanket comprising at least one section that can be moved relative to the remainder of the warming blanket to define an opening in the warming blanket. The technique also includes providing a drape suitable to cover the opening such that a seal is formed between the drape and the warming blanket along the periphery of the opening.Type: ApplicationFiled: September 27, 2006Publication date: March 27, 2008Inventor: Michael Vardanega
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Patent number: 7182776Abstract: Methods and devices for manipulating the thermoregulatory status of a mammal are provided. In the subject methods, thermal energy is transferred between the environment and both of the thoracic/abdominal core body and head of the mammal. In general, thermal energy transfer between thoracic/abdominal core body and the environment occurs under negative pressure conditions. The subject methods and devices can be used to increase the thoracic/abdominal core body temperature of a mammal, in which case thermal energy is introduced into the thoracic/abdominal core body of the mammal and removed from the head of the mammal or cold is merely applied thereto. The subject methods and devices can also be used to reduce the thoracic/abdominal core body temperature of a mammal, in which case thermal energy is removed from the thoracic/abdominal core body of the mammal and introduced into the head of the mammal or heat is merely applied thereto.Type: GrantFiled: August 31, 2004Date of Patent: February 27, 2007Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Dennis A. Grahn, H. Craig Heller
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Patent number: 7172616Abstract: A method of performing cardiac surgery on a patient's heart, including covering a patient with an inflatable blanket for a forced air convection system, the inflatable blanket having at least one separable seal line within the blanket. The separable seal line may be separated to form a slit. A patient's femoral artery is accessed through the slit, and an elongate medical instrument is passed through the slit, and through the femoral artery toward the patient's heart. Cardiac surgery is performed with the elongate medical instrument, and the elongate medical instrument is withdrawn from the femoral artery through the slit.Type: GrantFiled: December 19, 2002Date of Patent: February 6, 2007Assignee: Nellcor Puritan Bennett Inc.Inventors: Wayne Schuessler, Karin Feit, Michael Vardanega, Dennis Chivetta, Thomas Kappel
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Patent number: 7108713Abstract: A surgical barrier device includes an inflatable thermal blanket formed integrally with, or attached to, a surgical drape. The inflatable thermal blanket is inflatable through an inlet by a thermally-controlled inflating medium. An aperture array on the undersurface of the inflatable thermal blanket exhausts the thermally controlled inflating medium from the inflatable thermal blanket. The surgical drape extends from the inflatable thermal blanket and is sized to substantially cover the entirety of the patient's body. Where patient access is required, the drape has an opening to provide access to a surgical site.Type: GrantFiled: January 29, 2001Date of Patent: September 19, 2006Assignee: Arizant Healthcare Inc.Inventor: Scott Douglas Augustine
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Patent number: 7101389Abstract: A thermal blanket includes an inflatable covering with a head end, a foot end, two edges, and an undersurface. The covering includes a plurality of inflatable chambers that are inflated when a thermal-controlled inflating medium is introduced into the thermal blanket through an inlet at the foot end. When inflated, the thermal blanket self-erects into a structure and provides a bath of thermally-controlled inflating medium to the interior of the erected structure through an aperture array on the undersurface of the inflatable covering. The thermal blanket is constructed for substantially longitudinal disposition over a portion of a patient's body extending from the pelvic area to the feet of the patient's body. Provision may be made for securing the inflatable covering to the patient's body at the head end. Provision may further be made for an uninflatable foot drape at the foot end.Type: GrantFiled: April 10, 1995Date of Patent: September 5, 2006Assignee: Arizant Healthcare Inc.Inventors: Scott D. Augustine, Randall C. Arnold
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Patent number: 7090692Abstract: A thermal blanket includes an inflatable covering with a head end, a foot end, two edges and an undersurface. The covering is inflated through an inlet at the foot end by a thermally-controlled inflating medium. An aperture array on the undersurface of the covering exhausts the thermally-controlled inflating medium from the covering. Exhaust port openings are provided at the edges of the covering to vent the inflating medium, which enhances circulation of the thermally-controlled medium through the cover. An uninflatable section is provided at the head end, together with an absorbent bib attached to the covering, adjacent the uninflatable section. When inflated, the thermal blanket self-erects and provides a bath of thermally-controlled inflating medium to the interior of the erected structure.Type: GrantFiled: May 13, 1997Date of Patent: August 15, 2006Assignee: Arizant Healthcare Inc.Inventors: Scott D. Augustine, Douglas J. Augustine
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Patent number: 7066949Abstract: A closed loop heat therapy blanket provided for warming a patient to prevent or treat hypothermia. The closed loop heat therapy blanket includes first and second sheets secured to each other such as to define a supply manifold, at least one supply duct, a return manifold and a return duct. The first sheet defines a supply inlet opening into the supply manifold and a return outlet opening from the return duct. Heated air is introduced into the supply manifold and travels through to the return outlet and through an outlet hose. As the heated air travels through the blanket, a portion is communicated through the second sheet and toward the patient. A heat source is provided for collecting and heating ambient air, and for collecting preheated air from the outlet hose. In one embodiment, a humidifier is provided for controlling the moisture in the air being directed toward the patient.Type: GrantFiled: February 9, 2004Date of Patent: June 27, 2006Assignee: Adroit Medical Systems, Inc.Inventors: Clifford Eugene Gammons, Joseph Greg Jones
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Patent number: 7041122Abstract: The present invention is directed to at least one tie strap positioned on an inflatable blanket. These tie straps, when being used with the blanket, are positioned not on the non-inflatable periphery sections of the inflatable blanket, but on non-periphery sections, like an inflatable section, of the inflatable blanket. This is being done to provide the desired control of the blanket's movement and, if desired, the inflation of the blanket in certain areas of the inflatable blanket. Controlling the inflation of the blanket is obtained by the present straps ability to alter the size of at least a portion of an inflatable chamber within the inflatable blanket. The present ties also provide greater movement control because the tie straps provide desired pressure to at least one section of the inflatable blanket. The tie straps of the present invention are also an integral part of the blanket which means supplemental materials, like tape or ropes, are not needed to control the blanket with the present invention.Type: GrantFiled: December 5, 2003Date of Patent: May 9, 2006Assignee: Gaymar Industries, Inc.Inventors: Raymond P. Paolini, Joel T. Jusiak
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Patent number: 6942687Abstract: An enclosure is described for containing a patient whose core temperature is to be cooled below normal body temperature, e.g. to reduce brain damage in patients suffering cardiac arrest. The enclosure comprises a base panel and one or more side panels attached to the base panel, the side panels being foldable over the patient to create an enclosure. Air conduits are provided on one or more panels with outlets positioned to direct cold air onto areas of the patient from which heat loss is particularly rapid.Type: GrantFiled: November 5, 1999Date of Patent: September 13, 2005Assignee: KCI Licensing, Inc.Inventors: Keith Patrick Heaton, Kenneth William Hunt
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Patent number: 6939366Abstract: An assembly for use as a sun bathing spa and as a sauna, which is constructed of light weight materials, so as to be portable for use in a yard outside of and near to a residence or otherwise and which includes an air conditioning system for comfort of a person lying prone within a frame of the assembly. A heat transfer unit is disposed in a first end member of the assembly for providing warm or cooling air as the case may be, which can be directed by blowers through air passageways in side members of the assembly to be directed across the body of the person lying within a frame of the assembly to comfort the person in both low temperature and high temperature ambient environments. Transparent and foam covers can be used over the assembly to convert the latter from a sun bathing spa to a sauna.Type: GrantFiled: February 21, 2003Date of Patent: September 6, 2005Inventor: John N. Brown, Jr.
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Patent number: 6827729Abstract: A therapy device for providing heated air to the body of a patient through a plurality of V-shaped slits. The therapy device is an inflatable tube. A heated air supply is connected to the tube and the heated air inflates the tube and is forced out of the exhaust ports. The exhaust ports are V-shaped slits. The method of fabricating the therapy device includes forming the individual pieces, attaching the tube sheets to form a tube, lancing the tube to form exhaust ports, and attaching the remaining pieces.Type: GrantFiled: July 24, 2002Date of Patent: December 7, 2004Assignee: Adroit Development, Inc.Inventors: Clifford E. Gammons, Joseph G. Jones
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Patent number: 6800087Abstract: A blanket system (1) is provided for maintaining or controlling a patient's body temperature before, during, or after surgical and non-surgical procedures. The system includes a non-obtrusive cover blanket (3), a blower (28) to blow the air beneath the blanket (3) and a vacuum source (30) to suction the air from beneath the blanket (3) and away from the patient.Type: GrantFiled: October 3, 2002Date of Patent: October 5, 2004Assignee: The Cleveland Clinic FoundationInventors: Francis A. Papay, Stefan Budac
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Publication number: 20040153132Abstract: An improved warm air blower system for providing a compact source of pressurized air that can be utilized for delivering warm or ambient air to a patient through, for example, a warming blanket. The warm air blower system can include a compression unit and a plenum chamber having a plenum member with a curvilinear interior surface, the plenum member interior surface has a plurality of surface indentations to enable the formation of controlled local turbulence adjacent the interior surface to reduce friction and noise as the compressed air moves across the interior surface. The warm air blower system can be appropriately mounted on a vertical pole, bed, stand or floor mounted. Air filters can be used to filter the air before and after induction to the compression unit. The safe operation of the warm air blower system is appropriately controlled and monitored by a control unit that includes a thermostat.Type: ApplicationFiled: October 24, 2003Publication date: August 5, 2004Inventors: Christopher B. Cobb, William E. Frey
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Publication number: 20040143311Abstract: A heat exchange fluid supply system for supplying a heat exchange fluid to an intravascular heat exchange catheter includes a disposable cassette having a bulkhead and an external heat exchanger, and which is configured to operate in combination with a reusable master control unit The bulkhead includes a reservoir section and a pump section. The reservoir section is provided with a means to monitor the amount of heat exchange fluid that is in the system. The bulkhead provides the mechanism for priming the system with heat exchange fluid from an external source and for circulating fluid to the catheter in a closed circuit. The pump section is configured to allow for pumping of heat exchange fluid at a constant pressure.Type: ApplicationFiled: January 5, 2004Publication date: July 22, 2004Inventors: Timothy R. Machold, Nicole Denise Bloom, Alex T. Roth, Dave J. Scott, Jose Alejandro, Edward A. Oliver
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Patent number: 6764502Abstract: Cooling pads, mattresses, and limb-conforming sleeves reduce a person's temperature by evaporative and/or conductive cooling. An open cell foam pad defines an internal air flow passages proceeding according to serpentine or other desired routing. The pad is wetted, and a blower circulates air through the air flow passage and evaporatively cools the pad by removing warm water vapor. By contacting the cooled structure, the person is conductively cooled. The pad also employs evaporative cooling if water is permitted to seep from the foam pad onto the person's skin and subsequently evaporate. Another cooling device is a multi-layer evaporative cooling mattress. The mattress comprises an open cell foam structure having a person-receiving side and a base side. At the person-receiving side lies an absorbent layer with internal liquid delivery lines, and optionally having an outer film applied thereto.Type: GrantFiled: December 28, 2001Date of Patent: July 20, 2004Assignee: Arizant Healthcare Inc.Inventor: Mark Thomas Bieberich
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Patent number: 6718785Abstract: Cooling devices are provided to reduce a person's temperature by evaporative, convective, and/or conductive cooling. One such device maximizes evaporative cooling by aiding the flow of air to the person and the removal of vapor-laden air from the person. An upper sheet and a base sheet are adhered to define numerous elongated, parallel, inflatable cooling chambers separated by flat connecting membranes. Ventilating cross-members interconnect the cooling chambers. Air enters the chambers through an inlet, exits the chambers toward the person through air permeable regions of the base sheet. Air heated by the person's body exits the device upward through evaporation openings in the connecting membranes. The foregoing device, or different variations thereof, may be modified for use in conductive cooling by adding an absorbent sheet beneath the base sheet, or substituting the absorbent sheet for the base sheet itself.Type: GrantFiled: December 10, 2002Date of Patent: April 13, 2004Assignee: Arizant Healthcare Inc.Inventor: Mark Thomas Bieberich
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Patent number: 6711767Abstract: A device is provided to heat bed covers prior to a person entering the bed on winter nights. This apparatus mounts on a side of the mattress being supported by adjustable elements that extend between the mattress and a box spring. A fan in the apparatus forces room air through an electric heating coil and then through an outlet which directs the air flow between the bed covers.Type: GrantFiled: January 24, 2003Date of Patent: March 30, 2004Inventor: Thomas Klamm
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Patent number: 6709447Abstract: An inflatable thermal blanket (10) for providing a conditioned gas to at least a portion of the body of a human or other animal. The thermal blanket (10) includes an inflatable portion (18) for receiving the conditioned gas under pressure and for being positioned over a portion of the body of the user. The inflatable portion (18) is defined by a base sheet (12) adapted for communicating the conditioned gas to a portion of the body of the user, and an outer sheet (14). The inflatable portion (18) also includes an inlet port (20) for placing the inflatable portion in fluid communication with a source of conditioned gas. The inflatable portion (18) also defines at least one outer channel (30) communicating with the inlet port (20) and at least one inner channel (32) communicating with the outer channel (30).Type: GrantFiled: November 20, 2002Date of Patent: March 23, 2004Assignee: Adroit Development, Inc.Inventor: Clifford Eugene Gammons
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Patent number: 6701552Abstract: A warm-air blower comprised of two air outlets and an air intake which is provided on either the left-hand side or right-hand side of an air blower unit. The air taken into the interior of the air blower unit through the intake flows through the interior of the air blower unit by a fan which is provided at a location relatively far away from the air intake. The fan blows the air through a heater chamber and further blows the heated air out of the blower unit through the air outlets that are arranged one above the other to an air-controlled bedding. One or both of the air outlets are equipped with a shutter.Type: GrantFiled: October 12, 2001Date of Patent: March 9, 2004Inventors: Hiroko Suzuki, Yoshio Suzuki, Emi Suzuki, Ryutaro Kamiya
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Patent number: 6699270Abstract: A therapy device for providing heated air to the body of a patient through a plurality of V-shaped slits. The therapy device is an inflatable tube. A heated air supply is connected to the tube and the heated air inflates the tube and is forced out of the exhaust ports. The exhaust ports are V-shaped slits. The method of fabricating the therapy device includes forming the individual pieces, attaching the tube sheets to form a tube, lancing the tube to form exhaust ports, and attaching the remaining pieces.Type: GrantFiled: April 19, 2002Date of Patent: March 2, 2004Assignee: Adroit Development, Inc.Inventors: Clifford E. Gammons, Joseph G. Jones
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Patent number: 6695872Abstract: An embodiment of the present invention is a therapy component of an animate body heat exchanger that includes: (a) a bladder that contains a heat exchange medium, which bladder is compliant and is shaped to conform to a body part to be subjected to heat exchange; (b) a gas pressure bladder that overlays at least a portion of the bladder to direct gas pressure against the body part and against the portion to press the portion towards the body part, which gas pressure bladder is defined at least partially by a first pair of generally parallel walls; and (c) a plurality of first connections that connect the walls together interiorly of the gas pressure bladder to inhibit separation of the walls.Type: GrantFiled: January 16, 2001Date of Patent: February 24, 2004Assignee: CoolSystems, Inc.Inventor: William Elkins
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Publication number: 20040030373Abstract: A connector apparatus employable in a patient temperature control system includes a connection end which is employable for connecting to at least one other connector in the system. Includable in the connection end is an orientation device configured to align the connectors and provide for interconnection only at a predetermined orientation. The connector may be configured as either a male or female style connector and include one or more engagement devices or surfaces for engaging with another connector.Type: ApplicationFiled: August 8, 2002Publication date: February 12, 2004Inventors: Bruce Ellingboe, Michael R. Hoglund, Gary A. Carson
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Patent number: 6689155Abstract: A therapy device for providing heated air to the upper body of a patient and a method of making and using the therapy device have been provided. The therapy device is an inflatable U-shaped tube mounted on a base sheet and having a cover sheet. The patient is placed on the base sheet with the patient's head located between the legs of the tube. The cover sheet is placed over the patient's face. A heated air supply tube is connected to the tube and the heated air inflates the tube and heated air is forced out of the exhaust ports of the tube, thereby providing an environment in which a portion of the patient's body is heated. In one embodiment the exhaust ports are slits cut into the tube sheet material, and the slits are parallel to a tangent line of the tube's sealed edge. The method of fabricating the therapy device includes forming the individual pieces, attaching the tube sheets to form a tube, lancing the tube to form exhaust ports, and attaching the remaining pieces.Type: GrantFiled: July 27, 2001Date of Patent: February 10, 2004Assignee: Adroit Medical Systems, Inc.Inventors: Clifford Eugene Gammons, Joseph Greg Jones
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Patent number: RE38462Abstract: A thermal blanket includes an inflatable covering with a head end, a foot end, two edges and an undersurface. The covering includes a plurality of inflatable chambers that are inflated when a thermally-controlled inflating medium is introduced into the thermal blanket through an inlet at the foot end. When inflated, the thermal blanket self-erects into a structure and provides a bath of thermally-controlled inflating medium to the interior of the erected structure through an aperture array on the undersurface of the inflatable covering. The thermal blanket includes a first aspect in which the inflatable chambers in the covering are oriented for substantially longitudinal disposition over a portion of a patient's body extending from the pelvic area to the feet of the patient's body. This aspect may include a provision for securing the inflatable covering to the patient's body at the head end and an uninflatable foot drape at the foot end.Type: GrantFiled: June 5, 1996Date of Patent: March 9, 2004Assignee: Augustine Medical, Inc.Inventors: Scott D. Augustine, Randall C. Arnold