Patents Assigned to Hamilton Bonaduz AG
  • Patent number: 9180457
    Abstract: A metering device for use in syringes and pipetting piston-cylinder arrangements, including a sealing component working together with at least one pretensioning component. The sealing component comprises a sealing segment extending in the axial direction and in the circumferential direction. The sealing segment has a sealing surface facing in a first radial direction for sealing and sliding contact in at least the axial direction, is formed on a working surface formed on the outer surface of the piston rod facing toward the inner wall of the cylinder. The sealing segment also has a pretensioning surface extending in a second radial direction opposite to the first for engaging with the pretensioning component for transferring the radial pretensioning force, where the pretensioning component includes a spring carrier and a plurality of separately formed radial spring segments compliantly supported at least in the radial direction on the spring carrier.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: November 10, 2015
    Assignee: HAMILTON BONADUZ AG
    Inventor: Klaus Leckebusch
  • Publication number: 20150316469
    Abstract: A device for measuring a periodic signal includes: a light source for generating an optical input signal directed at an object being measured from an electrical input signal generated by a driver device on the basis of a first clock pulse; an optical receiver for detecting and converting the signal received from the object being measured, the signal corresponding to the optical input signal altered in terms of phase and amplitude into an electrical measuring signal; a central control and measuring device which is designed to generate the first clock pulse for the driver device and to receive and to process the electrical measuring signal; and a voltage-supply apparatus for supplying the driver device, the central control and measuring device being designed to generate a second clock pulse for the voltage-supply apparatus and to filter the electrical measuring signal on the basis of the first and/or second clock pulse, and wherein the frequency of the second clock pulse is an even multiple of the frequency of
    Type: Application
    Filed: December 11, 2013
    Publication date: November 5, 2015
    Applicant: HAMILTON BONADUZ AG
    Inventors: Bernd Offenbeck, Louis Willi
  • Publication number: 20150300981
    Abstract: The potentiometric sensor element comprises a measuring element and a shield housing permanently bonded to the measuring element, in which housing an electronic sensor unit is accommodated and which is sealed off against external influences. The electronic sensor unit is connected to a contactless interface adapted to exchange energy and signals with a corresponding contactless interface in an electronic base unit. The shield housing comprises an outer sleeve and an inner sleeve, accommodated within the outer sleeve, wherein the electronic sensor unit is accommodated in the inner sleeve and is surrounded there by a first casting compound. The filled inner sleeve is in turn bonded permanently to the outer sleeve by means of a second casting compound, which is different from the first casting compound.
    Type: Application
    Filed: September 9, 2013
    Publication date: October 22, 2015
    Applicant: Hamilton Bonaduz AG
    Inventors: Philipp Arquint, Fabio Sovrano, Karl Furger
  • Publication number: 20150300880
    Abstract: A device for measuring a periodic signal includes: a first control unit for generating an electrical input signal (V1) of the period T; a light source for generating an optical input signal directed to an object being measured from the electrical input signal (V1); an optical receiver for detecting and converting the signal reflected from the object being measured, the signal corresponding to the optical input signal altered in terms of phase and amplitude, into an electrical measurement signal (V2); and a plurality of measurement channels connected in parallel between the optical receiver and a second control unit, each measurement channel being connected in series to a switching element, a filter element, and an analog-to-digital converter, wherein the second control unit is suitable for evaluating the measurement signals from the plurality of measurement channels, and in which the electrical measurement signal (V2) is applied to each of the plurality of measurement channels, the first control unit is conne
    Type: Application
    Filed: October 22, 2013
    Publication date: October 22, 2015
    Applicant: Hamilton Bonaduz AG
    Inventors: Bernd OFFENBECK, Philipp ARQUINT
  • Publication number: 20150276107
    Abstract: The present invention relates to a coupling formation of a pipetting channel of a pipetting device for coupling of an implement, for instance a pipette tip, or a laboratory instrument, laboratory tool or the like, thereto, wherein the coupling formation surrounds a pipetting channel section which extends along a pipetting channel axis which defines an axial direction, wherein the coupling formation additionally has, at its free longitudinal end, a pressure-imparting orifice into which the pipetting channel section opens and has, at its radially outer surface which surrounds the pipetting channel axis and extends principally in axial direction and in peripheral direction about the pipetting channel axis relative to the pipetting channel axis, a coupling projection which yields in the radial direction, which is characterized in that the coupling projection is provided so as to be essentially undeformable but radially movable on a spring arrangement which is elastic in radial direction.
    Type: Application
    Filed: July 23, 2013
    Publication date: October 1, 2015
    Applicant: HAMILTON BONADUZ AG
    Inventors: Andreas Städler, Torsten Peetz
  • Patent number: 9097627
    Abstract: A punching device is provided for processing samples applied to a sample card comprising at least one punching head with a punch and a lower die, the punch being movable between a resting position and a punching position. The punching head has a receiving opening into which a sample card can be introduced by a movable gripping unit, and a punching drive, which drives the movement of the punch between the resting position and the punching position. A piece of sample punched out from the sample card can be discharged at an outlet opening of the lower die into a receiving recess of a receiving container. The punching device has a receiving plate, which forms a cover of an outwardly sealed housing for a drive unit, by which a transport frame resting on the receiving plate is moved in a plate plane relative to the punching head.
    Type: Grant
    Filed: April 29, 2012
    Date of Patent: August 4, 2015
    Assignee: HAMILTON BONADUZ AG
    Inventors: Nando Giovanoli, Reto Menzi
  • Publication number: 20150153369
    Abstract: The invention relates to a sample processing system and method for processing biological samples, particularly bodily fluids like blood, saliva, secretions and the like or tissue samples, particularly for preparation of samples for a DNA analysis by means of PCR, comprising a sample processing device (12) having: an receiving plate (14), wherein the receiving plate (14) is arranged substantially horizontally in a plane defined by a first and second direction (x, y); a first and second working arm (20, 22), wherein the first and second working arm (20, 22) can move relative to the receiving plate (14), preferably along a first edge (18) of the receiving plate (14) in the first direction (X), and wherein the first and second working arm (20, 22) extend substantially parallel to each other in the second direction (Y) over the receiving plate (14), wherein at least one pipetting device (40, 42) is mounted on the first working arm (20) which is movable in the second direction (Y) and in a third direction (Z) ortho
    Type: Application
    Filed: May 23, 2013
    Publication date: June 4, 2015
    Applicant: Hamilton Bonaduz AG
    Inventor: Nando Giovanoli
  • Patent number: 9046501
    Abstract: The invention relates to a reaction vessel with a sensor unit. The reaction vessel comprising a reaction space configured to be connected with the sensor unit that comprises at least one sensor device configured to be calibrated, at least one compartment containing a calibrating agent, and a housing. The sensor unit is arranged to calibrate the at least one sensor device by contact with the calibrating agent before chemical or physical parameters of a measurement substance are measured, wherein the at least one sensor device is further configured such that the relative movement between the at least one sensor device and the at least one compartment is irreversible. The at least one sensor device is movable relative to the at least one compartment from an initial position into a measurement readiness position. The reaction vessel and the sensor unit can be sterilized or are sterilized jointly.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: June 2, 2015
    Assignee: HAMILTON BONADUZ AG
    Inventors: Andreas Loebbert, Dirk Schoenfuss
  • Patent number: 9041385
    Abstract: A position detecting device for detecting a positional relationship between a first component and a second component includes a marking arrangement which is provided on the first component and has an absolute track and an incremental track. The absolute track has a plurality of absolute markings from which a binary absolute code sequence can be read, and the incremental track has a plurality of incremental markings which are associated with the absolute markings and from which an alternating incremental sequence can be read. A sensor arrangement provided on the second component and is configured to scan the absolute markings and the incremental markings. The absolute code sequence is formed from a first and a second De Bruijn sequence of order N which follow one another.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: May 26, 2015
    Assignee: HAMILTON BONADUZ AG
    Inventors: Vinzenz Kirste, Claudio Gian Köppel
  • Patent number: 9034572
    Abstract: The present invention relates to a calibration method of a sensor unit connected to a reaction vessel, wherein the sensor unit comprises at least one sensor device configured to be calibrated, at least one compartment containing a calibrating agent, and a housing. The method comprising inserting a sensitive element of the at least one sensor device into a compartment of the sensor unit containing a calibrating agent, withdrawing the sensitive element from the compartment; inserting the sensitive element into the reaction vessel and locking the sensor device in position, wherein the steps of the method are irreversible.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: May 19, 2015
    Assignee: HAMILTON BONADUZ AG
    Inventors: Andreas Loebbert, Dirk Schoenfuss
  • Publication number: 20150128944
    Abstract: 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: Application
    Filed: September 27, 2012
    Publication date: May 14, 2015
    Applicant: HAMILTON Bonaduz AG
    Inventor: Rudolf Buechi
  • Publication number: 20150101427
    Abstract: The present invention relates to a linear movement device comprising at least two linear movement units (12, 14) which are guided in a movable manner along a shared linear movement axis (L), wherein the linear movement device (10) comprises a first linear drive (28) and a second linear drive (30), in such a way that each linear movement unit (12, 14) can be driven in movement along the linear movement axis (L) merely by the first linear drive (28), merely by the second linear drive (30), and also by both linear drives (28, 30) together, the first and the second linear drive (28, 30) being coupled to the linear movement units (12, 14) so as to transmit drive force, in such a way that when merely the first linear drive (28) or merely the second linear drive (30) is activated the linear movement units (12, 14) can be driven in movement in a shared direction along the linear movement axis (L) with a speed relative to one another, whereas when the first and the second linear drives (28, 30) are activated simultane
    Type: Application
    Filed: October 9, 2014
    Publication date: April 16, 2015
    Applicant: Hamilton Bonaduz AG
    Inventor: Eduard Nawrocki
  • Publication number: 20150044111
    Abstract: The invention relates to a metering apparatus (10), in particular a pipetting machine, comprising a pipetting device (12) that can be moved in three directions (X, Y, Z) orthogonal to each other and that has at least one pipetting channel (16) to which a pipetting tip (18) is or can be detachably attached in order to aspirate sample liquid from a sample container (34, 36) associated with the metering apparatus (10) or to dispense sample liquid into a sample container (34, 36), wherein the at least one pipetting channel (16) is designed in such a way that a pipetting tip (18) detachably attached to the pipetting channel can be removed from the pipetting channel (16), preferably can be automatically removed, and a disposal container (40), which is arranged on the metering apparatus (10) and in which used pipetting tips (18) can be accommodated after being removed from a relevant pipetting channel (16).
    Type: Application
    Filed: April 14, 2013
    Publication date: February 12, 2015
    Applicant: Hamilton Bonaduz AG
    Inventors: Torsten Peetz, Andreas Städler
  • Publication number: 20150040897
    Abstract: 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 th
    Type: Application
    Filed: September 27, 2012
    Publication date: February 12, 2015
    Applicant: HAMILTON BONADUZ AG
    Inventor: Rudolf Buechi
  • Publication number: 20150028699
    Abstract: A linear motor, comprises at least one stator device (14) with a plurality of permanent magnets (18, 18-1, 18-2) of different polarity and with at least one carrier rail (24), and at least one rotor device (12) with at least three electrical coils (44) and with at least one supporting means (26), which can be or which is supported on the carrier rail (24) of the stator device (14), wherein the rotor device (12) and the stator device (14) are moveable to and fro with respect to each other along a movement direction (FR) defined by the carrier rail (24) by interaction of magnetic fields of the permanent magnets (18, 18-1, 18-2) with the magnetic fields of the coils (44), through which current flows if required, wherein the stator device (14) is formed from at least one stator module (16-1, 16-2), wherein the stator module (16-1, 16-2) is configured such that a stator device (16) with two or more consecutively arranged stator modules (16-1, 16-2) can be formed, and wherein at the stator module (16-1, 16-2) at le
    Type: Application
    Filed: November 2, 2012
    Publication date: January 29, 2015
    Applicant: HAMILTON BONADUZ AG
    Inventors: Meinrad Franz Hofstetter, Eduard Nawrocki, Hanspeter Romer, Vinzenz Kirste
  • Publication number: 20140311487
    Abstract: 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: Application
    Filed: September 27, 2012
    Publication date: October 23, 2014
    Applicant: HAMILTON BONADUZ AG
    Inventors: Rudolf Buechi, Marc Maeder, Axel Zolkos
  • Publication number: 20140299126
    Abstract: 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: Application
    Filed: September 27, 2012
    Publication date: October 9, 2014
    Applicant: HAMILTON BONADUZ AG
    Inventor: Rudolf Buechi
  • Patent number: 8840957
    Abstract: A process for hydrophobically coating a pipette tip by wetting at least regions of the inside of the pipette tip with a wetting solution, the process including: providing a holding cavity other than the pipette tip on a pipette device, immersing the holding cavity in the wetting solution, aspirating wetting solution into the holding cavity, connecting the pipette tip to the holding cavity, dispensing the aspirated wetting solution from the holding cavity through the pipette tip so as to rinse a pipetting fluid holding chamber portion inside the pipette tip, and evaporating solvent contained in the wetting solution.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: September 23, 2014
    Assignee: Hamilton Bonaduz AG
    Inventors: Vinzenz Kirste, Renato Nay, Rainer Beckbissinger
  • Publication number: 20140246021
    Abstract: 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: Application
    Filed: September 27, 2012
    Publication date: September 4, 2014
    Applicant: HAMILTON BONADUZ AG
    Inventors: Rudolf Buechi, Reto Frei, Marc Maeder, Thomas Granzotto, Axel Zolkos
  • Publication number: 20140238394
    Abstract: 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: Application
    Filed: September 27, 2012
    Publication date: August 28, 2014
    Applicant: HAMILTON BONADUZ AG
    Inventor: Rudolf Buechi