Patents by Inventor Trefor Owen Lewis

Trefor Owen Lewis 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).

  • Patent number: 11826536
    Abstract: An implantable percutaneous fluid delivery device is described that includes a subcutaneous base portion having one or more ports for supplying fluid to one or more implanted catheter devices and a percutaneous portion including an extracorporeal surface. The one or more ports of the subcutaneous base portion are accessible from the extracorporeal surface of the percutaneous portion. The subcutaneous base portion is at least partially insertable into a complementary recess formed in a bone, the subcutaneous base portion including one or more features for gripping the internal surface of such a complementary recess thereby directly anchoring the subcutaneous base portion to the bone. The device may be used to route fluid to neurosurgical catheters optionally via a router unit.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: November 28, 2023
    Assignee: RENISHAW (IRELAND) LIMITED
    Inventors: Paul David Fielder, Steven S Gill, Trefor Owen Lewis, Andrew Samuel Vick
  • Patent number: 11638811
    Abstract: A percutaneous fluid access apparatus includes a percutaneous fluid access device. The percutaneous fluid access device has a base portion including a subcutaneous portion and at least one port for connection to one or more fluid conduits within a body of a patient. A housing has at least one fluid channel and at least one seal for sealing the at least one fluid channel, and the housing is removably attachable to the base portion. The at least one fluid channel is in fluid communication with the at least one port when the housing is attached to the base portion.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: May 2, 2023
    Assignee: RENISHAW PLC
    Inventors: Trefor Owen Lewis, Patricia Grace Stewart
  • Publication number: 20200215318
    Abstract: An implantable percutaneous fluid delivery device is described that includes a subcutaneous base portion having one or more ports for supplying fluid to one or more implanted catheter devices and a percutaneous portion including an extracorporeal surface. The one or more ports of the subcutaneous base portion are accessible from the extracorporeal surface of the percutaneous portion. The subcutaneous base portion is at least partially insertable into a complementary recess formed in a bone, the subcutaneous base portion including one or more features for gripping the internal surface of such a complementary recess thereby directly anchoring the subcutaneous base portion to the bone. The device may be used to route fluid to neurosurgical catheters optionally via a router unit.
    Type: Application
    Filed: March 23, 2020
    Publication date: July 9, 2020
    Applicant: RENISHAW (IRELAND) LIMITED
    Inventors: Paul David FIELDER, Steven S. GILL, Trefor Owen LEWIS, Andrew Samuel VICK
  • Patent number: 10596362
    Abstract: An implantable percutaneous fluid delivery device is described that includes a subcutaneous base portion having one or more ports for supplying fluid to one or more implanted catheter devices and a percutaneous portion including an extracorporeal surface. The one or more ports of the subcutaneous base portion are accessible from the extracorporeal surface of the percutaneous portion. The subcutaneous base portion is at least partially insertable into a complementary recess formed in a bone, the subcutaneous base portion including one or more features for gripping the internal surface of such a complementary recess thereby directly anchoring the subcutaneous base portion to the bone. The device may be used to route fluid to neurosurgical catheters optionally via a router unit.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: March 24, 2020
    Assignee: RENISHAW (IRELAND) LIMITED
    Inventors: Paul David Fielder, Steven S Gill, Trefor Owen Lewis, Andrew Samuel Vick
  • Publication number: 20190167964
    Abstract: A percutaneous fluid access apparatus includes a percutaneous fluid access device. The percutaneous fluid access device has a base portion including a subcutaneous portion and at least one port for connection to one or more fluid conduits within a body of a patient. A housing has at least one fluid channel and at least one seal for sealing the at least one fluid channel, and the housing is removably attachable to the base portion. The at least one fluid channel is in fluid communication with the at least one port when the housing is attached to the base portion.
    Type: Application
    Filed: May 10, 2017
    Publication date: June 6, 2019
    Applicant: Renishaw plc
    Inventors: Trefor Owen LEWIS, Patricia Grace STEWART
  • Publication number: 20150018799
    Abstract: Fluid storage apparatus for medical use is described that includes a length of tubing having a first end and a second end. A first sealable connector portion is provided at the first end and a second sealable connector portion is provided at the second end. The volume of fluid that can be stored within the apparatus is known and an infusate or therapeutic agent is contained within the apparatus. In this manner, a known volume of therapeutic agent can be infused to a patient. The use in neurosurgical applications is described.
    Type: Application
    Filed: February 7, 2013
    Publication date: January 15, 2015
    Inventors: Trefor Owen Lewis, Charles Irving, Maxwell Roy Woolley, Steven Streatfield Gill
  • Publication number: 20140343500
    Abstract: An implantable percutaneous fluid delivery device is described that includes a subcutaneous base portion having one or more ports for supplying fluid to one or more implanted catheter devices and a percutaneous portion including an extracorporeal surface. The one or more ports of the subcutaneous base portion are accessible from the extracorporeal surface of the percutaneous portion. The subcutaneous base portion is at least partially insertable into a complementary recess formed in a bone, the subcutaneous base portion including one or more features for gripping the internal surface of such a complementary recess thereby directly anchoring the subcutaneous base portion to the bone. The device may be used to route fluid to neurosurgical catheters optionally via a router unit.
    Type: Application
    Filed: July 29, 2014
    Publication date: November 20, 2014
    Inventors: Paul David FIELDER, Steven S. GILL, Trefor Owen LEWIS, Andrew Samuel VICK
  • Patent number: 8827987
    Abstract: An implantable percutaneous fluid delivery device is described that includes a subcutaneous base portion having one or more ports for supplying fluid to one or more implanted catheter devices and a percutaneous portion including an extracorporeal surface. The one or more ports of the subcutaneous base portion are accessible from the extracorporeal surface of the percutaneous portion. The subcutaneous base portion is at least partially insertable into a complementary recess formed in a bone, the subcutaneous base portion including one or more features for gripping the internal surface of such a complementary recess thereby directly anchoring the subcutaneous base portion to the bone. The device may be used to route fluid to neurosurgical catheters optionally via a router unit.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: September 9, 2014
    Assignee: Renishaw (Ireland) Limited
    Inventors: Paul D. Fielder, Steven S. Gill, Trefor Owen Lewis, Andrew Samuel Vick
  • Publication number: 20120302959
    Abstract: An implantable percutaneous fluid delivery device is described that includes a subcutaneous base portion having one or more ports for supplying fluid to one or more implanted catheter devices and a percutaneous portion including an extracorporeal surface. The one or more ports of the subcutaneous base portion are accessible from the extracorporeal surface of the percutaneous portion. The subcutaneous base portion is at least partially insertable into a complementary recess formed in a bone, the subcutaneous base portion including one or more features for gripping the internal surface of such a complementary recess thereby directly anchoring the subcutaneous base portion to the bone. The device may be used to route fluid to neurosurgical catheters optionally via a router unit.
    Type: Application
    Filed: February 11, 2011
    Publication date: November 29, 2012
    Applicant: RENISHAW (IRELAND) LIMITED
    Inventors: Paul D. Fielder, Stephen S. Gill, Trefor Owen Lewis, Andrew Samuel Vick