Patents Assigned to Ad-Tech Medical Instrument Corp.
  • Patent number: 9583891
    Abstract: An electrical connector for connecting plural multi-contact linear arrays with an electrical system, including: a base portion having a base member and an alignment member on the base member configured to hold the multi-contact linear arrays in place; an interconnect portion configured to mate with the base portion and having (1) a plurality of pins mounted thereto, each pin positioned for contact with a respective contact of the multi-contact linear arrays, and (2) an interconnect array having a plurality of conductive pathways to the electrical system; and one or more closure elements for holding the base and interconnect portions together, wherein each of the contacts of the multi-contact linear arrays is electrically connected to a corresponding point in circuits within the electrical system.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: February 28, 2017
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: Ronald J. Pulvermacher
  • Patent number: 9155486
    Abstract: A cortical sensing device for contact with the surface of the brain is provided that includes a support member, at least one macroelectrode sensing element secured with respect to the support member and at least one microelectrode sensing element secured with respect to the macroelectrode. The support member is substantially thin and made from flexibly-conformable material to accurately and safely place the sensing device upon the brain surface. The microelectrode sensing element is surrounded by the macroelectrode brain-contact surface of the macroelectrode sensing element. The first surface of the support member, the macroelectrode brain-contact surface and the microelectrode brain-contact surface are substantially co-planar to abut the surface of the brain for sensoring and monitoring.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: October 13, 2015
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Patent number: 8977335
    Abstract: A cortical sensing device for contact with the surface of the brain is provided that includes a support member, at least one macroelectrode sensing element secured with respect to the support member and at least one microelectrode sensing element secured with respect to the macroelectrode. The support member is substantially thin and made from flexibly-conformable material to accurately and safely place the sensing device upon the brain surface. The microelectrode sensing element is surrounded by the macroelectrode brain-contact surface of the macroelectrode sensing element. The first surface of the support member, the macroelectrode brain-contact surface and the microelectrode brain-contact surface are substantially co-planar to abut the surface of the brain for sensing and monitoring.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: March 10, 2015
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Patent number: 8594793
    Abstract: An electrical connector for connecting a multi-contact medical electrode device with a plural-contact tail. Having a tail-receiving first elongate member with a tail-receiving void and a second elongate member. The second elongate member has a nesting surface and an array of electrical conductors which are spring-loaded pin plunger devices. The spring-loaded pin plunger devices having movable pins that project into the tail-receiving void. The second elongate member also having at least one canopy extending from the nesting surface and over a respective electrical conductor, the canopy being configured for snap-engagement with the notch whereby the canopy holds in place the respective linear-array plural-contact tail through locking frictional engagement.
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: November 26, 2013
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Publication number: 20130261489
    Abstract: A cortical sensing device for contact with the surface of the brain is provided that includes a support member, at least one macroelectrode sensing element secured with respect to the support member and at least one microelectrode sensing element secured with respect to the macroelectrode. The support member is substantially thin and made from flexibly-conformable material to accurately and safely place the sensing device upon the brain surface. The microelectrode sensing element is surrounded by the macroelectrode brain-contact surface of the macroelectrode sensing element. The first surface of the support member, the macroelectrode brain-contact surface and the microelectrode brain-contact surface are substantially co-planar to abut the surface of the brain for sensoring and monitoring.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 3, 2013
    Applicant: AD-TECH MEDICAL INSTRUMENT CORP.
    Inventor: David A. Putz
  • Patent number: 8439714
    Abstract: An electrical connector for connecting a linear-array plural-contact tail of an in-body multi-contact medical electrode device. The connector includes an elongate body member defining an elongate void extending along the length of the body member. An array of electrical conductors are secured in the body member and project into the elongate void to facilitate electrical connection of the contacts on the tail when the plural-contact tail is in the elongate void. A cylindrical carrier member is rotatably contained in the elongate void, the carrier member itself forms a tail-receiving subvoid.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: May 14, 2013
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Publication number: 20120135624
    Abstract: An electrical connector for connecting a linear-array plural-contact tail of an in-body multi-contact medical electrode device. The connector includes an elongate body member defining an elongate void extending along the length of the body member. An array of electrical conductors are secured in the body member and project into the elongate void to facilitate electrical connection of the contacts on the tail when the plural-contact tail is in the elongate void. A cylindrical carrier member is rotatably contained in the elongate void, the carrier member itself forms a tail-receiving subvoid.
    Type: Application
    Filed: November 30, 2010
    Publication date: May 31, 2012
    Applicant: AD-TECH MEDICAL INSTRUMENT CORP.
    Inventor: David A. Putz
  • Patent number: 7972308
    Abstract: A catheter assembly for intracranial treatment of a patient is disclosed. The assembly comprises outer and inner catheters. The outer catheter has an exterior surface, an inflatable balloon mounted upon the exterior surface, at least one element distal to the balloon, at least one aperture and a lumen. The inner catheter is sized to be received within the lumen and has a passageway extending between a proximal end and at least one port. The lumen is adapted to guide the inner catheter to the desired tissue region in the brain. Each element is adapted to monitor brain activity within the tissue region, to electronically stimulate the tissue region, or to provide information on a precise position of the element when the element is entirely within the brain. The elements are mounted proximal to the distal end of the outer catheter upon the exterior surface of its distal portion.
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: July 5, 2011
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Patent number: 7608064
    Abstract: A depth probe for intracranial treatment is provided having a body that includes a distal portion with one aperture and at least one element mounted upon the exterior surface, a lumen defined by the body that is accessed only through the aperture and an opening, and a proximal portion with at least one proximal-contact radially circumscribing the body. The proximal-contact is conductively connected with the element. The lumen is sized to receive coaxially an inner catheter adapted to transfer a fluid such as a drug with a tissue region within the patient's brain. The aperture is coaxial with the lumen and sized to allow the inner catheter to pass through it. The depth probe preferably includes an inflatable balloon secured upon its distal portion proximal to the element. The balloon is adapted to seal upon inflation the tract created by the probe when inserted into the brain.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: October 27, 2009
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David Putz
  • Patent number: 7607224
    Abstract: A multiple-use connection system includes an elongate body having an axial tail-receiving passage and having lengthwise sides, and at least two essentially parallel rows of axially-spaced pin receptacles transverse to the tail-receiving passage, the pin receptacles of one of the parallel rows being exposed along one of the lengthwise sides. A patchbay for selectively connecting pairs of connector pins with ones of a plurality of tail conductors includes an insulating body having an axial passageway adapted for receiving a tail and having pairs of aligned pin receptacles, the pairs of pin receptacles being axially spaced from one another, one pin receptacle of each of the pairs of pin receptacles having an exposed portion adapted for being directly probed, where selective placement of pairs of aligned pins into the insulating body effects electrical connection of a pair of pins to a selected one of the tail conductors.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: October 27, 2009
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Publication number: 20090132016
    Abstract: An electrical connector for connecting a multi-contact medical electrode device with a plural-contact tail. Having a tail-receiving first elongate member with a tail-receiving void and a second elongate member. The second elongate member has a nesting surface and an array of electrical conductors which are spring-loaded pin plunger devices. The spring-loaded pin plunger devices having movable pins that project into the tail-receiving void. The second elongate member also having at least one canopy extending from the nesting surface and over a respective electrical conductor, the canopy being configured for snap-engagement with the notch whereby the canopy holds in place the respective linear-array plural-contact tail through locking frictional engagement.
    Type: Application
    Filed: November 20, 2007
    Publication date: May 21, 2009
    Applicant: AD-TECH MEDICAL INSTRUMENT CORP.
    Inventor: David A. Putz
  • Patent number: 7536215
    Abstract: A cortical sensing device is provided that includes a sensing element and at least one pad attached adjacent to a support member. The pad is substantially thin and made from flexibly-conformable material to accurately and safely place the sensing device upon the brain surface. Contact between the lower surface of the pad and the brain surface anchors the sensing element at a desired position against unintentional movement. The sensing device preferably has three circular pads equidistant from one another.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: May 19, 2009
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventors: David A. Putz, Alfons Schnellberger
  • Patent number: 7465292
    Abstract: A catheter system is provided having an outer catheter and at least one inner catheter chosen from a plurality of different inner catheters for delivery of a treatment agent to a selected tissue region of the brain. The outer catheter has a lumen in communication with an opening and at least one aperture. Each inner catheter is sized to be received within the lumen and has a passageway and at least one port in communication with that passageway. The system preferably has inner catheters having different lengths and/or passageways with different diameters. The outer catheter can include an element that monitors brain activity. The outer catheter can also have an inflatable balloon proximal to an element. A method of delivering a treatment agent, preferably a drug, to a select tissue region of a targeted area of the brain for intracranial treatment of a patient is also disclosed.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: December 16, 2008
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Patent number: 7425142
    Abstract: An improved electrical connector for connecting a multi-contact medical electrode device with a plural-contact tail. Having a tail-receiving first elongate member with a tail-receiving void and a second elongate member. The second elongate member has a nesting surface and an array of electrical conductors which are spring-loaded pin plunger devices. The spring-loaded pin plunger devices having movable pins that project into and at least partially, preferably halfway, across and into the tail-receiving void. The device is configured such that the spring-loaded pin plunger devices extend at an angle substantially parallel to the movement of the tail-receiving void at the point the pin tips enter therein. The distal end of the second elongate member has an opening through which a multi-wire electrical cable extends. The second elongate member also has a channel in alignment with the opening that has therein the multiple wires of the electrical cable.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: September 16, 2008
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Patent number: 7322954
    Abstract: A catheter assembly is provided for intracranial treatment having outer and inner catheters. The outer catheter has a first lumen communicating between a first opening and at least one aperture and a second lumen in communication with a second opening. The first and second openings are distal to the proximal portion of the outer catheter. The inner catheter, preferably a micro-dialysis catheter, is sized to be received within the first lumen and includes at least one passageway in communication with at least one port for transfer of a fluid with a tissue region in the brain of the patient. The assembly preferably also includes a stylet sized to be received within the second lumen to provide rigidity to the outer catheter for its precise positioning within the brain. The outer catheter can include an element that is preferably a contact for monitoring brain activity. A method of transferring a fluid with a brain tissue region is also disclosed.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: January 29, 2008
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Publication number: 20070191791
    Abstract: A depth probe for intracranial treatment is provided having a body that includes a distal portion with one aperture and at least one element mounted upon the exterior surface, a lumen defined by the body that is accessed only through the aperture and an opening, and a proximal portion with at least one proximal-contact radially circumscribing the body. The proximal-contact is conductively connected with the element. The lumen is sized to receive coaxially an inner catheter adapted to transfer a fluid such as a drug with a tissue region within the patient's brain. The aperture is coaxial with the lumen and sized to allow the inner catheter to pass through it. The depth probe preferably includes an inflatable balloon secured upon its distal portion proximal to the element. The balloon is adapted to seal upon inflation the tract created by the probe when inserted into the brain.
    Type: Application
    Filed: April 18, 2007
    Publication date: August 16, 2007
    Applicant: AD-TECH MEDICAL INSTRUMENT CORP.
    Inventor: David Putz
  • Patent number: 7255686
    Abstract: A catheter assembly for intracranial treatment of a patient is provided having both outer and inner catheters. The outer catheter has at least one element and defines a lumen in communication with at least one aperture and an opening. The inner catheter is sized to be received within the lumen and includes a passageway in communication with at least one port. The element can be in the form of a contact or sensor. The outer catheter can include an inflatable balloon distal to an element. The balloon is adapted to seal upon inflation the tract created by the outer catheter when inserted into the brain. The outer catheter may have a flexible channel extending outward from the body of the catheter that permits the inner catheter to be inserted into the body through the channel. The inner catheter is preferably configured for removable engagement to a tapered fitting on the outer catheter.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: August 14, 2007
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Publication number: 20070179440
    Abstract: A catheter assembly for intracranial treatment of a patient is disclosed. The assembly comprises outer and inner catheters. The outer catheter has an exterior surface, an inflatable balloon mounted upon the exterior surface, at least one element distal to the balloon, at least one aperture and a lumen. The inner catheter is sized to be received within the lumen and has a passageway extending between a proximal end and at least one port. The lumen is adapted to guide the inner catheter to the desired tissue region in the brain. Each element is adapted to monitor brain activity within the tissue region, to electronically stimulate the tissue region, or to provide information on a precise position of the element when the element is entirely within the brain. The elements are mounted proximal to the distal end of the outer catheter upon the exterior surface of its distal portion.
    Type: Application
    Filed: April 4, 2007
    Publication date: August 2, 2007
    Applicant: AD-TECH MEDICAL INSTRUMENT CORP.
    Inventor: David Putz
  • Patent number: 7241283
    Abstract: A method for intracranial treatment of a patient is disclosed. The method comprises the steps of inserting into the brain an outer catheter having an exterior surface, an inflatable balloon mounted upon the exterior surface, at least one element distal to the balloon upon the exterior surface, at least one aperture and a lumen; inflating the balloon to seal a tract created during insertion; inserting an inner catheter into the lumen which has a passageway and at least one port, the outer catheter guiding the inner catheter to the desired tissue region; and transferring fluids between the proximal end of the inner catheter and the tissue region through the passageway. Each element is adapted for monitoring or electronically stimulating brain tissue or for allowing identification of the location of the element catheter within the brain. The method facilitates regular accurate placement of the drug delivery catheter at the tissue region without additional extended brain contact during insertion.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: July 10, 2007
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz
  • Patent number: 7134919
    Abstract: A multiple-use connection system includes an elongate body having an axial tail-receiving passage and having lengthwise sides, and at least two essentially parallel rows of axially-spaced pin receptacles transverse to the tail-receiving passage, the pin receptacles of one of the parallel rows being exposed along one of the lengthwise sides. A patchbay for selectively connecting pairs of connector pins with ones of a plurality of tail conductors includes an insulating body having an axial passageway adapted for receiving a tail and having pairs of aligned pin receptacles, the pairs of pin receptacles being axially spaced from one another, one pin receptacle of each of the pairs of pin receptacles having an exposed portion adapted for being directly probed, where selective placement of pairs of aligned pins into the insulating body effects electrical connection of a pair of pins to a selected one of the tail conductors.
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: November 14, 2006
    Assignee: Ad-Tech Medical Instrument Corp.
    Inventor: David A. Putz