Patents by Inventor Rudolf Buechi
Rudolf Buechi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10940284Abstract: A breathing tube for a patient ventilator system providing humidified breathable gas is provided, the tube including inhalation and exhalation pathways formed in part by inhalation and exhalation tubes. A coupler member is attached at one end to the exhalation tube and forms part of the exhalation pathway, the coupler member has an integrated coupler-member electrical heating device electrically connected to the tube-portion electrical heating device. A connecting piece is detachably attachable to the other end of the coupler member and forms a part of the exhalation pathway, the connecting piece and coupler member together forming a hollow space therewithin extending from within the connecting piece to within the coupler member. A filter element is within the hollow space and extends from within the connecting piece into the coupler member, the coupler-member heating device is along the hollow space, surrounding the filter element, and adapted to heat the filter element.Type: GrantFiled: September 4, 2018Date of Patent: March 9, 2021Inventor: Rudolf Buechi
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Patent number: 10245398Abstract: A lighting device for a respiratory humidifier (1) is provided, the humidifier comprising a liquid container (3) with a bottom plate and a housing (2) with a heating plate (8), wherein the heating plate (8) can be heated for heating the liquid in the liquid container (3), and wherein the bottom plate can be brought into contact with the heating plate (8), wherein the housing (2) comprises a light source (20) and a light exit portion (22), and the liquid container (3) comprises a light entrance portion (21), wherein the light proceeding from the light source (20) proceeds in a lighting direction through the light exit portion (22) and the light entrance portion (21) and thus arrives in the liquid container (3).Type: GrantFiled: September 27, 2012Date of Patent: April 2, 2019Assignee: Hamilton Medical AGInventor: Rudolf Buechi
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Publication number: 20180369533Abstract: A breathing tube for a patient ventilator system providing humidified breathable gas is provided, the tube including inhalation and exhalation pathways formed in part by inhalation and exhalation tubes. A coupler member is attached at one end to the exhalation tube and forms part of the exhalation pathway, the coupler member has an integrated coupler-member electrical heating device electrically connected to the tube-portion electrical heating device. A connecting piece is detachably attachable to the other end of the coupler member and forms a part of the exhalation pathway, the connecting piece and coupler member together forming a hollow space therewithin extending from within the connecting piece to within the coupler member. A filter element is within the hollow space and extends from within the connecting piece into the coupler member, the coupler-member heating device is along the hollow space, surrounding the filter element, and adapted to heat the filter element.Type: ApplicationFiled: September 4, 2018Publication date: December 27, 2018Applicant: HAMILTON Medical AGInventor: Rudolf BUECHI
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Patent number: 10118010Abstract: A temperature-measuring device for a respiratory humidifier (1) with a liquid container (5) is provided, wherein the temperature-measuring device comprises a flow channel (9) for breathing gas and an infrared detector (21), which is directed from the outside toward the flow channel (9) for the contactless detection of the temperature of the breathing gas in the flow channel (9), wherein the flow channel (9) comprises on its lateral surface (13) a measurement portion (15), which is aligned with the surrounding areas of the lateral surface (13) and toward which the infrared detector (21) is directed, wherein the flow channel (9) comprises a flow guide element (17), which conducts the breathing gas stream to the measurement portion (15) at a previously determined inflow angle of preferably greater than 10° and less than 170°.Type: GrantFiled: September 27, 2012Date of Patent: November 6, 2018Assignee: Hamilton Medical AGInventor: Rudolf Buechi
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Patent number: 10105511Abstract: A respiratory humidifier (1) for a ventilation system is provided, the humidifier comprising: a housing (2), which is designed essentially in the shape of an “L” with a horizontal and a vertical part (4, 6) and a projecting portion (10) extending from the free end of the vertical part (6) toward the horizontal part (4), and which comprises a control unit, a user interface (12), and a heating plate (8), wherein the user interface (12) is arranged on the projecting portion (10) and the heating plate (8) is arranged on the horizontal part (4); and a liquid container (3), which is designed essentially in the shape of a “U”, comprising a recess (7) and a bottom plate (24) as well as two connector elements (5), each of which establishes a connection with a breathing tube; wherein the heating plate (8) can be heated for heating the liquid in the liquid container (3), and the bottom plate (24) can be brought into contact with the heating plate (8); wherein the liquid container (3) can be slid in such a way onto thType: GrantFiled: September 27, 2012Date of Patent: October 23, 2018Assignee: Hamilton Medical AGInventor: Rudolf Buechi
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Patent number: 10105510Abstract: A breathing tube for conducting a gas mixture in a ventilation system is provided, the tube including a tube portion; a coupler connectable to the tube portion; a connecting piece connectable to the coupler and which is attachable to a tube or a machine; wherein a filter element for filtering the gas mixture is arranged between the coupler and the connecting piece. The coupler includes a first integral electrical heating device which surrounds the filter element and which is adapted to heat the filter element effectively.Type: GrantFiled: September 27, 2012Date of Patent: October 23, 2018Assignee: Hamilton Medical AGInventor: Rudolf Buechi
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Patent number: 10046135Abstract: A ventilation tube system for breathing gas for ventilating patients is provided, the system having a first inhalation tube (1) connectable to a respiratory humidifier (3) and to a Y-piece (5); a second inhalation tube (7) connectable to a respirator (9) and to the respiratory humidifier (3); and an exhalation tube (11) connectable to the respirator (9) and to the Y-piece (5); wherein at least certain portions of the first inhalation tube (1) and the exhalation tube (11) each comprise tube heaters having at least one heating wire (15, 17) wherein each of the tube heaters is controllable by a power supply and control unit inside the respiratory humidifier (3) wherein a power supply line (13) of the tube heater of the exhalation tube (11) starts from a link of the second inhalation tube (7) at the respiratory humidifier (3) and proceeds from there via the second inhalation tube (7) and a connecting element (21) separate from the respirator (9).Type: GrantFiled: September 27, 2012Date of Patent: August 14, 2018Assignee: Hamilton Medical AGInventors: Rudolf Buechi, Reto Frei, Marc Maeder, Thomas Granzotto, Axel Zolkos
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Patent number: 9937314Abstract: A connecting system for connecting a ventilation tube to a respiratory humidifier (1) is provided, wherein the ventilation tube comprises an electrical line and the respiratory humidifier (1) comprises a housing (2) and a liquid container (4), the connection system including a first connection element (6) arranged on the liquid container (4); a first electrical contact element (24) arranged on the housing (2); and a second connection element (14), which can be connected to the ventilation tube (7, 9) and comprises a second electrical contact element (16), which can be connected to the electrical line of the ventilation tube (7, 9); wherein the first connection element (6) and the second connection element (14) can be connected to each other in a first connecting direction in such a way that, by establishment of the pneumatic connection of the ventilation tube (7, 9) to the liquid container (4), the electrical connection of the first contact element (24) to the second contact element (16) is produced.Type: GrantFiled: September 27, 2012Date of Patent: April 10, 2018Assignee: Hamilton Medical AGInventors: Rudolf Buechi, Reto Frei, Marc Maeder, Thomas Granzotto, Axel Zolkos
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Patent number: 9937316Abstract: A liquid-container/ventilation-tube kit for a ventilation system that includes (a) a ventilator, (b) a respiratory humidifier having a housing and a liquid container, the housing having a pair of first electrical contact elements, (c) a first inhalation tube extending from the respiratory humidifier to a Y-piece, (d) a second inhalation tube extending from the ventilator to the respiratory humidifier, and (e) an exhalation tube extending from the Y-piece to the ventilator, the kit including the liquid container having a pair of first connection elements for removable connection of the first and second inhalation tubes thereto, and a pair of second connection elements each attached to a respective one of the first and second inhalation tubes and by which each of the inhalation tubes is pneumatically connected to a respective one of the first connection elements along a first connecting direction, each second connection element having a second electrical contact element that is positioned and arranged such thatType: GrantFiled: December 28, 2016Date of Patent: April 10, 2018Assignee: Hamilton Medical AGInventors: Rudolf Buechi, Reto Frei, Marc Maeder, Thomas Granzotto, Axel Zolkos
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Publication number: 20170106162Abstract: A liquid-container/ventilation-tube kit for a ventilation system that includes (a) a ventilator, (b) a respiratory humidifier having a housing and a liquid container, the housing having a pair of first electrical contact elements, (c) a first inhalation tube extending from the respiratory humidifier to a Y-piece, (d) a second inhalation tube extending from the ventilator to the respiratory humidifier, and (e) an exhalation tube extending from the Y-piece to the ventilator, the kit including the liquid container having a pair of first connection elements for removable connection of the first and second inhalation tubes thereto, and a pair of second connection elements each attached to a respective one of the first and second inhalation tubes and by which each of the inhalation tubes is pneumatically connected to a respective one of the first connection elements along a first connecting direction, each second connection element having a second electrical contact element that is positioned and arranged such thatType: ApplicationFiled: December 28, 2016Publication date: April 20, 2017Applicant: Hamilton Bonaduz AGInventors: Rudolf Buechi, Reto Frei, Marc Maeder, Thomas Granzotto, Axel Zolkos
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Patent number: 9517321Abstract: A tube for a ventilation system (1) for newborns is provided with a first section (7) comprising a heating wire (14), an electrical conductor (15), and a first connector (9) and a second connector (10), and with a second section (8) comprising a heating wire (16) extending over at least a certain portion of its length, an electrical line (17) extending over at least a certain portion of its length, and a first connector (11) and a second connector (12), wherein the second section (8) comprises a temperature sensor (18), wherein the electrical and pneumatic connection of the first section (7) with the second section (8) via the connection of the second connector (10) of the first section (7) is achievable by either connecting to the first connector (11) of the second section (8), so that the second section (8) is substantially heatable, or by connecting to the second connector (12) of the second section (8), so that the second section (8) is substantially not heatable.Type: GrantFiled: September 27, 2012Date of Patent: December 13, 2016Assignee: Hamilton Bonaduz AGInventors: Rudolf Buechi, Marc Maeder, Axel Zolkos
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Publication number: 20150128944Abstract: A breathing tube for conducting a gas mixture in a ventilation system is provided, the tube including a tube portion; a coupler connectable to the tube portion; a connecting piece connectable to the coupler and which is attachable to a tube or a machine; wherein a filter element for filtering the gas mixture is arranged between the coupler and the connecting piece. The coupler includes a first integral electrical heating device which surrounds the filter element and which is adapted to heat the filter element effectively.Type: ApplicationFiled: September 27, 2012Publication date: May 14, 2015Applicant: HAMILTON Bonaduz AGInventor: Rudolf Buechi
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Publication number: 20150040897Abstract: A respiratory humidifier (1) for a ventilation system is provided, the humidifier comprising: a housing (2), which is designed essentially in the shape of an “L” with a horizontal and a vertical part (4, 6) and a projecting portion (10) extending from the free end of the vertical part (6) toward the horizontal part (4), and which comprises a control unit, a user interface (12), and a heating plate (8), wherein the user interface (12) is arranged on the projecting portion (10) and the heating plate (8) is arranged on the horizontal part (4); and a liquid container (3), which is designed essentially in the shape of a “U”, comprising a recess (7) and a bottom plate (24) as well as two connector elements (5), each of which establishes a connection with a breathing tube; wherein the heating plate (8) can be heated for heating the liquid in the liquid container (3), and the bottom plate (24) can be brought into contact with the heating plate (8); wherein the liquid container (3) can be slid in such a way onto thType: ApplicationFiled: September 27, 2012Publication date: February 12, 2015Applicant: HAMILTON BONADUZ AGInventor: Rudolf Buechi
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Publication number: 20140311487Abstract: A tube for a ventilation system (1) for newborns is provided with a first section (7) comprising a heating wire (14), an electrical conductor (15), and a first connector (9) and a second connector (10), and with a second section (8) comprising a heating wire (16) extending over at least a certain portion of its length, an electrical line (17) extending over at least a certain portion of its length, and a first connector (11) and a second connector (12), wherein the second section (8) comprises a temperature sensor (18), wherein the electrical and pneumatic connection of the first section (7) with the second section (8) via the connection of the second connector (10) of the first section (7) is achievable by either connecting to the first connector (11) of the second section (8), so that the second section (8) is substantially heatable, or by connecting to the second connector (12) of the second section (8), so that the second section (8) is substantially not heatable.Type: ApplicationFiled: September 27, 2012Publication date: October 23, 2014Applicant: HAMILTON BONADUZ AGInventors: Rudolf Buechi, Marc Maeder, Axel Zolkos
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Publication number: 20140299126Abstract: A lighting device for a respiratory humidifier (1) is provided, the humidifier comprising a liquid container (3) with a bottom plate and a housing (2) with a heating plate (8), wherein the heating plate (8) can be heated for heating the liquid in the liquid container (3), and wherein the bottom plate can be brought into contact with the heating plate (8), wherein the housing (2) comprises a light source (20) and a light exit portion (22), and the liquid container (3) comprises a light entrance portion (21), wherein the light proceeding from the light source (20) proceeds in a lighting direction through the light exit portion (22) and the light entrance portion (21) and thus arrives in the liquid container (3).Type: ApplicationFiled: September 27, 2012Publication date: October 9, 2014Applicant: HAMILTON BONADUZ AGInventor: Rudolf Buechi
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Publication number: 20140246021Abstract: A connecting system for connecting a ventilation tube to a respiratory humidifier (1) is provided, wherein the ventilation tube comprises an electrical line and the respiratory humidifier (1) comprises a housing (2) and a liquid container (4), the connection system including a first connection element (6) arranged on the liquid container (4); a first electrical contact element (24) arranged on the housing (2); and a second connection element (14), which can be connected to the ventilation tube (7, 9) and comprises a second electrical contact element (16), which can be connected to the electrical line of the ventilation tube (7, 9); wherein the first connection element (6) and the second connection element (14) can be connected to each other in a first connecting direction in such a way that, by establishment of the pneumatic connection of the ventilation tube (7, 9) to the liquid container (4), the electrical connection of the first contact element (24) to the second contact element (16) is produced.Type: ApplicationFiled: September 27, 2012Publication date: September 4, 2014Applicant: HAMILTON BONADUZ AGInventors: Rudolf Buechi, Reto Frei, Marc Maeder, Thomas Granzotto, Axel Zolkos
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Publication number: 20140238394Abstract: A temperature-measuring device for a respiratory humidifier (1) with a liquid container (5) is provided, wherein the temperature-measuring device comprises a flow channel (9) for breathing gas and an infrared detector (21), which is directed from the outside toward the flow channel (9) for the contactless detection of the temperature of the breathing gas in the flow channel (9), wherein the flow channel (9) comprises on its lateral surface (13) a measurement portion (15), which is aligned with the surrounding areas of the lateral surface (13) and toward which the infrared detector (21) is directed, wherein the flow channel (9) comprises a flow guide element (17), which conducts the breathing gas stream to the measurement portion (15) at a previously determined inflow angle of preferably greater than 10° and less than 170°.Type: ApplicationFiled: September 27, 2012Publication date: August 28, 2014Applicant: HAMILTON BONADUZ AGInventor: Rudolf Buechi
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Publication number: 20140238397Abstract: A ventilation tube system for breathing gas for ventilating patients is provided, the system having a first inhalation tube (1) connectable to a respiratory humidifier (3) and to a Y-piece (5); a second inhalation tube (7) connectable to a respirator (9) and to the respiratory humidifier (3); and an exhalation tube (11) connectable to the respirator (9) and to the Y-piece (5); wherein at least certain portions of the first inhalation tube (1) and the exhalation tube (11) each comprise tube heaters having at least one heating wire (15, 17) wherein each of the tube heaters is controllable by a power supply and control unit inside the respiratory humidifier (3) wherein a power supply line (13) of the tube heater of the exhalation tube (11) starts from a link of the second inhalation tube (7) at the respiratory humidifier (3) and proceeds from there via the second inhalation tube (7) and a connecting element (21) separate from the respirator (9).Type: ApplicationFiled: September 27, 2012Publication date: August 28, 2014Applicant: Hamilton Bonaduz AGInventors: Rudolf Buechi, Reto Frei, Marc Maeder, Thomas Granzotto, Axel Zolkos